BACKGROUND OF THE INVENTION
1. Field of the Invention
[0001] The present invention relates to a driving state detecting device, a winding unit,
a winding machine, a spinning unit, and a spinning machine.
2. Description of the Related Art
[0002] Conventionally, there is a method in which a yarn is wound by rotating a cone-shaped
package while bringing the package into a contact with a traverse drum where a traverse
groove is engraved on an outer surface thereof (see Japanese Unexamined Patent Application
Publication No.
H4-217557, for example). In an art described in Japanese Unexamined Patent Application Publication
No.
H4-217557, by displacing a reference drive diameter of the package in an axial direction and
immediately changing a rotation speed of the package, a ribbon winding is avoided.
This art is based on the condition that there is a contact point (driving point),
in which the traverse drum drives the package, on the reference drive diameter (a
package average diameter) in proximity of a center in the axial direction.
US 6 302 349 B1,
US 6 039 282 A,
US 5 826 815 A and
US 5 469 696 A disclose winding units for cone-shaped packages including a drive diameter calculating
section adapted to calculate a package drive diameter which is an outer diameter of
the package at the driving point.
SUMMARY OF THE INVENTION
[0003] When transmitting drive force of the traverse drum and winding the cone-shaped package,
the rotation speed of the package varies according to a position of the driving point
in which the traverse drum and the package make contact with each other and the drive
force of the traverse drum is transmitted to the package. Thus, even when a rotation
speed of the traverse drum is the same, a speed of a wound yarn is different. When
a winding condition is different in some of winding units that are arranged next to
each other, it is difficult to form packages having the same quality.
[0004] It is an object underlying the invention to provide for driving stated detecting
devices, a winding unit, a winding machine, a spinning unit and a spinning machine,
which permit for improving the quality of a package.
[0005] To uniformize quality of the package by equalizing variation tendencies of package
drive diameters, which is an outer diameter of the package at the driving point, among
a plurality of the winding units, it is required to calculate a package average diameter.
Accordingly, embodiments of the present invention provide a driving state detecting
device, a winding unit, a winding machine, a spinning unit, and a spinning machine
that are capable of calculating the package average diameter.
[0006] Additionally, embodiments of the present invention provide the driving state detecting
device, the winding unit, the winding machine, the spinning unit, and the spinning
machine that are capable of improving the quality of the package by comparing a calculation
value relating to a driving state of the cone-shaped package with a determination
reference value and by recognizing the driving state of the cone-shaped package.
[0007] The driving state detecting device of the present invention includes a driving state
calculation value calculating section adapted to calculate a calculation value relating
to a driving state of a cone-shaped package that rotates by abutting against an outer
peripheral surface of a winding drum rotating around an axial line and into which
a traversed yarn is wound, and a comparing and detecting section adapted to compare
or enable to be compared the calculation value calculated by the driving state calculation
value calculating section with a determination reference value.
[0008] Since in the driving state detecting device, the calculation value can be calculated,
which relates to the driving state of the cone-shaped package that rotates by abutting
against the outer peripheral surface of the winding drum rotating around the axial
line and into which the traversed yarn is wound, and the calculated calculation value
can be compared or is enabled to be compared with the determination reference value,
an operator can recognize the driving state of the cone-shaped package and improve
quality of the package. The comparing and detecting section may compare the calculation
value with the determination reference value by a unit in which arithmetic processing
is performed, or may enable the calculation value and the determination reference
value to be compared with each other by the operator by outputting information for
comparing the calculated value with the determination reference value.
[0009] The driving state detecting device of the present invention includes a package peripheral
speed detecting section adapted to detect a peripheral speed V
P of the cone-shaped package, a package rotation speed detecting section adapted to
detect a rotation speed F
P of the package, and an average diameter calculating section adapted to calculate
a package average diameter D
PA, which is an average outer diameter of the package, as the determination reference
value. The driving state calculation value calculating section is a drive diameter
calculating section adapted to calculate as the calculation value, a package drive
diameter D
P, which is an outer diameter of the package at the driving point in which rotation
drive force of a winding drum is transmitted. The comparing and detecting section
compares or enables to be compared the package drive diameter D
P with the package average diameter D
PA.
[0010] In an embodiment of the driving state detecting device, the package average diameter
D
PA, which is the average outer diameter of the package, is calculated based on the peripheral
speed V
P of the package detected by the package peripheral speed detecting section and the
rotation speed F
P detected by the package rotation speed detecting section. Accordingly, the package
average diameter D
PA can be recognized, and by comparing or enabling to be compared the package average
diameter D
PA with the determination reference value, an abnormality at the driving point can be
detected. By detecting and correcting the abnormality at the driving point, an abnormality
in winding, or deviation in the winding among a plurality of winding units can be
suppressed.
[0011] An embodiment of the driving state detecting device includes a drum rotation speed
detecting section adapted to detect a rotation speed F
1 of the winding drum. The driving state calculation value calculating section may
calculate the package drive diameter D
P based on the rotation speed F
1 of the winding drum.
[0012] Since the package drive diameter D
P is calculated by use of the rotation speed F
1 of the winding drum that is detected by the drum rotation speed detecting section,
calculation accuracy of the package drive diameter D
P is improved.
[0013] In an embodiment, a package reference value is given as one determination reference
value. The package reference value may be a small diameter and/or a large diameter
of a winding tube around which the yarn is wound.
[0014] In an embodiment, the package reference value is given as one determination reference
value. The package reference value may be an outer diameter of the small diameter
and/or an outer diameter of the large diameter of the winding tube that is in a winding
operation.
[0015] The comparing and detecting section may enable comparison with the determination
reference value by detecting a change in the package drive diameter D
P. By detecting a change in the package drive diameter D
P and recognizing a change in the driving point, a winding state of the package can
be detected.
[0016] The average diameter calculating section may calculate the package average diameter
D
PA, which is the average outer diameter of the package, by the following equation (1).
[0017] The drive diameter calculating section may calculate the package drive diameter D
P by the following equation (2).
[0018] An embodiment of the driving state detecting device includes a notifying section
adapted to notify information for instructing adjustment of an inclination of a package
supporting section adapted to support the package. The comparing and detecting section
compares the package drive diameter D
P with the package average diameter D
PA and, when the winding state of the package that has been detected in the comparison
by the comparing and detecting section deviates from a predefined state, the notifying
section may notify the information for instructing the adjustment of the inclination
of the package supporting section. Accordingly, since the operator can adjust the
inclination of the package in accordance with instruction contents from the notifying
section, the abnormality in the winding of the package can be suppressed (resolved).
[0019] At this point, the calculation value relating to the driving state of the cone-shaped
package may be a slip ratio of the package with respect to the winding drum.
[0020] In the driving state detecting device, by comparing the slip ratio of the package
with the determination reference value, the driving state of the cone-shaped package
can be recognized, and the quality of the package can be improved.
[0021] In an embodiment, the driving state detecting device includes a drum peripheral speed
detecting section adapted to detect a peripheral speed V
D of the winding drum, and the package peripheral speed detecting section adapted to
detect the peripheral speed V
P of the package. The driving state calculation value calculating section is a package
slip ratio calculating section adapted to calculate the slip ratio of the package
based on the peripheral speed V
D of the winding drum and the peripheral speed V
P of the package.
[0022] The driving state detecting device may include the notifying section adapted to notify
information relating to the slip ratio of the package.
[0023] The driving state detecting device may include the notifying section adapted to notify
the calculation value and the determination reference value that have been enabled
by the comparing and detecting section to be compared with each other, or a comparison
result from the comparing and detecting section. Accordingly, the operator can easily
recognize the winding state of the package based on the information notified by the
notifying section and, when there is an abnormality in the winding state, an appropriate
countermeasure can be promptly taken. For example, the notifying section may be a
display section, a voice output section, or the like. When the notifying section is
the display section, the operator can easily recognize the winding state by viewing
the display section.
[0024] The notifying section of the driving state detecting device may be the display section
in which the comparison result is displayed on a package image. Accordingly, the operator
can easily recognize the winding state of the package by visually recognizing the
comparison result or data to be compared with each other that are displayed together
with the package image that illustrates the package.
[0025] An embodiment of a driving state detecting device (drive diameter calculating device)
of the present invention includes a package peripheral speed detecting section adapted
to detect a peripheral speed V
P of a cone-shaped package that rotates by abutting against an outer peripheral surface
of a winding drum rotating around an axial line and into which the traversed yarn
is wound, a package rotation speed detecting section adapted to detect a rotation
speed F
P of the package, an average diameter calculating section adapted to calculate a package
average diameter D
PA, which is an average outer diameter of the package, and a notifying section adapted
to notify a calculation result from the average diameter calculating section.
[0026] An embodiment of a winding unit of the present invention includes the winding drum
adapted to rotate around the axial line, the package supporting section adapted to
support the cone-shaped package that rotates in response to driving force from the
winding drum by abutting against the outer peripheral surface of the winding drum
rotating around the axial line and into which the traversed yarn is wound, a yarn
speed detecting section adapted to detect a yarn travelling speed of the yarn travelling
between a yarn supplying section adapted to supply the yarn and the package, and the
above-described driving state detecting device.
[0027] Since the winding unit includes the above-described driving state detecting device,
the package average diameter D
PA, which is the average outer diameter of the package, is calculated based on the rotation
speed F
1 of the winding drum detected by the drum rotation speed detecting section and the
rotation speed F
P of the package detected by the package rotation speed detecting section. Accordingly,
the package average diameter D
PA can be recognized, and by comparing the package average diameter D
PA with the package reference value, the abnormality at the driving point can be detected.
By detecting and correcting the abnormality at the driving point, the abnormality
in winding or the deviation in the winding among the plurality of the winding units
can be suppressed.
[0028] The winding unit may include the package peripheral speed detecting section adapted
to detect the peripheral speed V
P of the package by the following equation (3).
[0029] The winding unit may include a contact pressure adjustment mechanism adapted to adjust
a contact state of the package with respect to the winding drum. The contact pressure
adjustment mechanism may include a cylinder or a motor that are connected to the package
supporting section. The contact state of the package with respect to the winding drum
may be a contact pressure of the package with respect to the winding drum, balance
of the contact pressure in an axial direction of the package, or the like. A winding
machine of the present invention includes a plurality of the winding units.
[0030] An embodiment of a spinning unit of the present invention includes a draft roller
adapted to draft a fiber bundle, a spinning section adapted to spin the fiber bundle,
which has been drafted by the draft roller, by whirling airflow and to generate the
yarn, a winding drum adapted to rotate around the axial line, the package supporting
section adapted to support the cone-shaped package that rotates in response to the
drive force from the winding drum by abutting against the outer peripheral surface
of the winding drum and into which the traversed yarn is wound, and the above-described
driving state detecting device.
[0031] Since the spinning unit includes the above-described driving state detecting device,
the package average diameter D
PA, which is the average outer diameter of the package, is calculated based on the rotation
speed F
1 of the winding drum detected by the drum rotation speed detecting section and the
rotation speed F
P of the package detected by the package rotation speed detecting section. Accordingly,
the package average diameter D
PA can be recognized, and by comparing the package average diameter D
PA with the package reference value, the abnormality at a driving point can be detected.
By detecting and correcting the abnormality at the driving point, the abnormality
in winding can be suppressed.
[0032] In an embodiment, the spinning unit spins the yarn at a preset constant yarn travelling
speed, and the driving state detecting device may calculate the package average diameter
D
PA, which is the average outer diameter of the package, by employing the preset constant
yarn travelling speed.
[0033] The spinning unit may include the contact pressure adjustment mechanism adapted to
adjust the contact pressure of the package with respect to the winding drum. The contact
pressure adjustment mechanism may include the cylinder that is connected to the package
supporting section. A spinning machine of the present invention includes a plurality
of the spinning units.
[0034] According to the present invention, the package average diameter D
PA can be calculated. According to the present invention, the driving state detecting
device, the winding unit, the winding machine, the spinning unit, and the spinning
machine in which by comparing or enabling to be compared the calculation value relating
to the driving state of the cone-shaped package with the determination reference value,
the driving state of the cone-shaped package can be recognized and the quality of
the package can be improved.
BRIEF DESCRIPTION OF THE DRAWINGS
[0035]
FIG. 1 is a front view of a winding unit provided in a winding machine according to
a first embodiment of the present invention.
FIG.2 is a block diagram of a unit controller.
FIG.3 is a front view of a package.
FIG.4 is a front view illustrating the package and a winding drum.
FIG.5 is a flowchart illustrating a procedure for calculating a package drive diameter.
FIG. 6 is a front view of a spinning machine according to a second embodiment of the
present invention.
FIG.7 is a vertical sectional view of the spinning machine illustrated in FIG. 6.
FIG.8 is a plan view illustrating a package and a cradle.
FIG.9 is a block diagram of a unit controller of a spinning machine according to a
third embodiment of the present invention.
FIG.10 is a schematic view illustrating a package image displayed in a display section.
DETAILED DESCRIPTION OF PREFERRED EMBODIMENTS
[0036] FIG. 1 is a front view of a winding unit provided in a winding machine according
to a first embodiment of the present invention. As illustrated in FIG. 1, a winding
unit 1 is a device adapted to wind a yarn Y into a package P, and by arranging a plurality
of winding units 1 next to each other, for example, an automatic winder serving as
the winding machine is configured. The winding unit 1 is provided with a bobbin supporting
section 2, which is a yarn supplying section, a yarn unwinding assisting device 3,
a preclearer 4, a gate-type tension control member 5, a tension sensor 6, a lower
yarn catching device 7, a splicer (yarn joining device) 8, a yarn speed sensor (yarn
speed detecting section) 18, a cutter 9, a yarn clearer capable of detecting a defect
of the yarn Y (yarn defect detecting device) 10, an upper yarn catching device 11,
and a yarn winding section 12 in this order from upstream (a lower part herein) along
a traveling path of the yarn Y (that is, a yarn path). Each of such components is
mounted on a machine base 13. Furthermore, the winding unit 1 is provided with a unit
controller (driving state detecting device) 14, and a display (display section) 15,
which is a notifying section.
[0037] The bobbin supporting section 2, which is a portion to supply the yarn Y, supports
a yarn supplying bobbin B upright. The yarn supplying bobbin B is formed by a ring
spinning machine in a preceding processing, and is transported from the ring spinning
machine in a state of being set in a tray, for example. The yarn unwinding assisting
device 3 controls, by use of a tubular member arranged in a part above the yarn supplying
bobbin B, a balloon of the yarn Y unwound from the yarn supplying bobbin B. The gate-type
tension control member 5 applies a predetermined tension on the travelling yarn Y
by holding the yarn Y in a zig-zag manner by a pair of comb teeth-shaped gates, one
of which is fixed and the other of which is movable. The tension sensor 6 is a device
for measuring a tension of the yarn Y travelling along the yarn path. The unit controller
14 performs feedback control of the gate-type tension control member 5 in accordance
with the tension of the yarn Y measured by the tension sensor 6 such that the predetermined
tension is applied on the travelling yarn Y.
[0038] The preclearer 4 pre-regulates passage of a yarn defect that is greater than a predefined
value, by a pair of regulating members arranged at a predetermined interval with the
yarn path therebetween.
[0039] The yarn clearer 10 detects the yarn defect during an winding operation of the yarn
Y. The yarn clearer 10 detects a thickness of the yarn Y that passes through, and
determines presence/absence of the defect of the yarn Y in accordance with the thickness
of the detected yarn Y. The yarn speed sensor 18 detects a yarn travelling speed of
the yarn Y travelling between the bobbin supporting section 2 and the yarn winding
section 12. The yarn speed sensor 18 transmits to the unit controller 14 a pulse-like
signal corresponding to a length of the passage every time the yarn Y passes through
a predetermined length. The pulse-like signal output by the yarn speed sensor 18 is
referred to as a yarn speed pulse signal.
[0040] The cutter 9 cuts the yarn Y when the yarn defect is detected by the yarn clearer
10 and yarn joining is instructed by the unit controller 14. The splicer 8 joins a
yarn end from the yarn supplying bobbin B and a yarn end from the package P at the
time of cutting the yarn Y by the cutter 9 or yarn breakage of the yarn Y.
[0041] The lower yarn catching device 7 is configured capable of vertically swinging with
an axial line α as a center, and a suction mouth 7a is arranged at a swinging end
thereof. The sucking mouth 7a is swung between a part above the splicer 8 and a part
below the preclearer 4. The upper yarn catching device 11 is configured capable of
vertically swinging with an axial line β as a center, and a sucking mouth 11a is arranged
at a swinging end thereof. The sucking mouth 11a is swung between a part below the
splicer 8 and the yarn winding section 12. Accordingly, the lower yarn catching device
7 swings downward and sucks the yarn end from the yarn supplying bobbin B with the
sucking mouth 7a. Subsequently, the lower yarn catching device 7 swings upward and
delivers the yarn end from the yarn supplying bobbin B to the splicer 8. On the other
hand, the upper yarn catching device 11 swings upward and sucks the yarn end from
the package P with the sucking mouth 11a. Subsequently, the upper yarn catching device
11 swings downward and delivers the yarn end from the package P to the splicer 8.
[0042] The yarn winding section 12 winds the yarn Y unwound from the yarn supplying bobbin
B into the cone-shaped package P and forms a full package P while traversing the yarn
from side to side (an axial direction of a winding drum 16). The yarn winding section
12 includes the winding drum 16 and a cradle 17, which is a package supporting section.
[0043] The winding drum 16 rotates the package P being in contact with the package P, and
winds the yarn Y into the package P. The winding drum 16 has a drum groove formed
over, along which the traversing is performed.
[0044] A rotation sensor 31 is mounted on the winding drum 16. The rotation sensor 31 is
electrically connected to the unit controller 14, the yarn clearer 10, or the like.
The rotation sensor 31 is configured as a rotary encoder, for example, and is adapted
to transmit a pulse-like signal to an analyzer of the yarn clearer 10 every time the
winding drum 16 rotates a predetermined angle. The pulse-like signal output by the
rotation sensor 31 is referred to as a rotation pulse signal.
[0045] As illustrated in FIG. 2, the winding unit 1 includes a drum driving motor 32 adapted
to drive the winding drum 16 and a motor control section 33 adapted to control the
drum driving motor 32. The drum driving motor 32, the motor control section 33, and
the unit controller 14 are electrically connected to each other. The drum driving
motor 32 operates in accordance with an instruction signal from the motor control
section 33. Accordingly, the winding drum 16 is controlled to rotate and to stop.
[0046] The cradle 17 rotatably supports the package P. In the cradle 17, an angle γ that
is formed by an axial line of the winding drum 16 and an axial line of the package
P can be adjusted, and by adjusting the angle γ, a position of a contact point (hereinafter
referred to as a "driving point") between the winding drum 16 and the package P can
be adjusted. The cradle 17 causes a surface of the package P to make contact with
a surface of the winding drum 16 at an appropriate contact pressure. With a motor
for driving the winding drum 16 and thereby rotating the package P, the yarn winding
section 12 winds the yarn Y into the package P while traversing the yarn Y in a predetermined
width. At the driving point, an outer peripheral surface of the winding drum 16 and
an outer peripheral surface of the package P make contact with each other, and a rotation
driving force is transmitted to the package P. The package P rotates responding to
the driving force from the winding drum 16. By the traversing, the yarn Y is wound
at a predetermined traverse angle θ (see FIG. 4) with respect to a circumferential
direction of the package P.
[0047] The yarn winding section 12 is provided with a package rotation sensor 35 (see FIG.
2) capable of measuring a rotation speed of the package P. The package rotation sensor
35 is electrically connected to the unit controller 14 or the like. The package rotation
sensor 35 is configured as a rotary encoder, for example, and is adapted to transmit
a pulse-like signal to the unit controller 14 every time the package P rotates a predetermined
angle. The pulse-like signal output by the package rotation sensor 35 is referred
to as a package pulse signal.
[0048] The unit controller 14 controls each component of the winding unit 1. The unit controller
14 includes a Central Processing Unit (CPU) adapted to perform arithmetic processing,
a Read Only Memory (ROM) and a Random Access Memory (RAM) functioning as a storage
section, or the like. Information required for the control is input from each component
of the winding unit 1 into the unit controller 14.
[0049] The unit controller 14 includes, as processing sections, a drum rotation speed detecting
section, a package peripheral speed detecting section 21, a package rotation speed
detecting section 22, a drive diameter calculating section (driving state calculation
value calculating section) 23, a comparing and detecting section 24, or the like.
In the unit controller 14, each of the processing sections is configured of software
by loading a program stored in the ROM onto the RAM and by executing the program in
the CPU. Each of the processing sections may be configured by hardware.
[0050] When the automatic winder (winding machine) is configured by the plurality of the
winding units 1, the unit controller 14 transmits/receives various types of information
relating to a winding operation to/from a control device adapted to control the entire
automatic winder. The unit controller 14 is electrically connected to the yarn speed
sensor 18, the yarn clearer 10, the rotation sensor 31, a display 15, the splicer
8, the lower yarn catching device 7, the upper yarn catching device 11, or the like.
[0051] The package peripheral speed detecting section 21 detects a peripheral speed V
p of the package P. The package peripheral speed detecting section may detect the peripheral
speed V
p of the package P by the following equation (3).
[0052] The traverse angle θ is a preset value and is stored in the storage section 28.
[0053] The yarn travelling speed V
0 can be calculated, for example, based on a signal output from the yarn speed sensor
18.
[0054] The package peripheral speed detecting section 21 receives the yarn speed pulse signal
and calculates an average yarn speed V
A. Subsequently, the package peripheral speed detecting section 21 calculates the peripheral
speed V
p of the package P. The package peripheral speed detecting section 21 can calculate
the average yarn speed V
A by use of the number of yarn speed pulse Pu
Y and a yarn speed pulse updating period T
PY.
[0055] The number of yarn speed pulse Pu
Y can be acquired based on the yarn speed pulse signal that is output from the yarn
speed sensor 18. Every time the yarn Y passes through a predetermined travelling length
L
PY, for example, the yarn speed pulse signal is transmitted. The package peripheral
speed detecting section 21 receives the yarn speed pulse signal and calculates the
number of yarn speed pulse Pu
Y.
[0056] The yarn speed pulse updating period T
PY is a preset value and is stored in the storage section 28. The yarn speed pulse updating
period T
PY may be a disturb period to ignore effect of a disturb operation. The disturb period
is a period (sec) in which a disturb control for immediately changing rotation of
the winding drum 16 is performed to prevent a ribbon winding from occurring. The yarn
speed pulse updating period T
PY may be set to 2 (sec), for example. The average yarn speed V
A is an average value of the yarn travelling speed V
0 in a period where the yarn speed pulse signal is updated.
[0057] The package rotation speed detecting section 22 detects a rotation speed F
P of the package P. The package rotation speed detecting section 22 calculates the
rotation speed F
P of the package P (rpm) based on data output from the rotation sensor 31. The package
rotation speed detecting section 22 may calculate the rotation speed F
P of the package P (rpm) by the following equation (4).
[0058] The number of package pulse Pu can be acquired based on the package pulse signal
output from the package rotation sensor 35. Every time the package P rotates 90 degrees,
for example, the package pulse signal is transmitted. The package rotation speed detecting
section 22 receives the package pulse signal and calculates the number of package
pulse Pu.
[0059] The number of package pulse Pu
1 per rotation is a preset value and is stored in the storage section 28. In a case
where every time the package P rotates 90 degrees, the package pulse signal is transmitted,
the number of package pulse Pu
1 per rotation is "4".
[0060] A package pulse updating period T
p is a present value and is stored in the storage section 28. The package pulse updating
period T
p may be the disturb period. The package pulse updating period T
p may be set to 2 (sec), for example.
[0061] The package rotation speed detecting section 22 may calculate the rotation speed
F
P of the package P by use of another data.
[0062] The drive diameter calculating section 23 calculates by the following equation (2),
a package drive diameter D
p (see FIG. 3), which is an outer diameter of the package P at a driving point 40 (see
FIG. 4). The drive diameter calculating section 23 calculates the package drive diameter
D
p in accordance with an outer diameter D
1 of the winding drum and a rotation speed F
1 of the winding drum.
[0063] A winding number W is the number of winding in the package P, and the number of the
rotation of the package P during one reciprocating movement of the yarn Y in a direction
of a width of the package P. The drive diameter calculating section 23 can calculate
the winding number W of the Package P by the following equation (5).
[0064] A winding number W
1 of the winding drum 16 is a predetermined value and is stored in the storage section
28. The winding number W
1 of the winding drum 16 is the number of the rotation of the winding drum 16 during
one reciprocating movement of the yarn Y in the direction of the width of the package
P.
[0065] The comparing and detecting section 24 compares the package drive diameter D
p calculated by the drive diameter calculating section 23 with a package reference
value (determination reference value). The comparing and detecting section 24 can
detect a winding state of the package P by comparing the package drive diameter D
p with the package reference value.
[0066] The comparing and detecting section 24 may enable to be compared, the package drive
diameter D
p calculated by the drive diameter calculating section 23 with the package reference
value (determination reference value). The comparing and detecting section 24 outputs
information relating to the package drive diameter D
p and the package reference value to the display 15 such that an operator can compare
the package drive diameter D
p and the package reference value. The operator visually recognizes displayed contents
in the display 15 and compares the package drive diameter D
p with the package reference value.
[0067] The unit controller 14 may include the drum rotation speed detecting section and
an average diameter calculating section.
[0068] The drum rotation speed detecting section detects a rotation speed F
1 of the winding drum 16. The drum rotation speed detecting section acquires from the
motor control section 33, information relating to the rotation speed F
32 of the drum drive motor 32. The drum rotation speed detecting section calculates
the rotation speed F
1 of the winding drum 16. The drum rotation speed detecting section may calculates
the rotation speed F
1 of the winding drum 16 by use of another data, or may arrange the rotation sensor
31 adapted to detect the rotation speed F
1 of the winding drum 16 and detect the rotation speed F
1 of the winding drum 16 by use of the rotation sensor 31.
[0069] The average diameter calculating section calculates a package average diameter D
PA (see FIG. 3), which is an average outer diameter of the package P. The package average
diameter D
PA is an outer diameter of when assuming that the package P has a columnar outline (the
package P has the same outer diameter in an axial direction of the package P). The
package average diameter D
PA is an outer diameter at a center point 41 in the axial direction of the package P.
[0070] The average diameter calculating section can calculate the package average diameter
D
PA as the package reference value by the following equation (1). The average diameter
calculating section calculates the package average diameter D
PA in accordance with the peripheral speed V
p of the package P and the rotation speed F
P of the package P.
[0071] The comparing and detecting section 24 may compare or enable to be compared, the
package drive diameter D
P with the package average diameter D
PA and output the information relating to the winding state of the package P. The comparing
and detecting section 24 can determine that the driving point 40 exists closer to
a small diameter 46 of a winding tube 45 when the package drive diameter D
P is smaller than the package average diameter D
PA. The comparing and detecting section 24 can determine that the driving point 40 exists
closer to a large diameter 47 of the winding tube 45 when the package drive diameter
D
P is greater than the package average diameter D
PA. The comparing and detecting section 24 can determine that the driving point 40 exists
in proximity to the center point 41 in an axial direction of the winding tube 45 when
the package drive diameter D
P is equal to the package average diameter D
PA. The comparing and detecting section 24 can determine a position of the driving point
40 and output to the display 15, the information relating to the winding state of
the package P.
[0072] When starting the winding in a state where the yarn Y is not wound around the winding
tube 45, the comparing and detecting section 24 may determine the position of the
driving point 40 by comparing the package drive diameter D
P with a small diameter D46 and a large diameter D47 of the winding tube 45 (the package
reference value) and detect the winding state of the package P. In the case of the
automatic winder (winding machine) including the plurality of the winding units 1,
positions of the driving points 40 of each of the winding units 1 are compared by
a machine base control section adapted to control each winding unit 1. By configuring
in such a manner, the automatic winder can perform an adjustment such that deviation
in the winding of the yarn Y among the plurality of the winding units 1 becomes small.
[0073] The comparing and detecting section 24 may determine the position of the driving
point 40 by comparing the package drive diameter D
P with an outer diameter of the small diameter and/or an outer diameter of the large
diameter of the package P (the package reference value) in the winding operation,
and detect the winding state of the package P.
[0074] The comparing and detecting section 24 may detect the winding state of the package
P by detecting a change in the position of the driving point 40 (a position in the
axial direction of the package P) in accordance with a change in the package drive
diameter D
P. The comparing and detecting section 24 may detect the winding state of the package
P by comparing or enabling to be compared, a change in an assumed position of the
driving point 40 with a change in an actual position of the driving point 40.
[0075] The winding unit 1 may include the notifying section adapted to notify a comparison
result from the comparing and detecting section, or the calculation value and the
reference value that have been enabled by the comparing and detecting section to be
compared with each other. The notifying section may be the display section (display
15), a voice output section (speaker), or the like. The unit controller 14 may cause
the speaker to output an alarm sound when an abnormality in the winding of the yarn
Y is detected.
[0076] The display 15 displays an operation state and the like of the winding unit 1. When
the yarn clearer 10 detects the yarn defect, the display 15 may display that the yarn
defect has been detected. The display 15 may display the position of the driving point
40 of the package P. The display 15 may, when the abnormality in the winding of the
yarn Y is detected, notify the abnormality or perform a display operation to urge
the operator to take a countermeasure.
[0077] The unit controller 14 may display by use of the display 15, information for instructing
adjustment of an inclination of the package P when detecting the abnormality in the
winding of the yarn Y.
[0078] Next, a processing procedure at the time of calculating the package drive diameter
D
P will be described with reference to FIG. 5.
[0079] Firstly, the package peripheral speed detecting section 21 of the unit controller
14 detects the peripheral speed V
p of the package P (step S1).
[0080] In step S2, the package rotation speed detecting section 22 detects the rotation
speed F
P of the package P. The package rotation speed detecting section 22 detects the rotation
speed F
P of the package P based on the data output from the rotation sensor 31.
[0081] In step S3, the drive diameter calculating section 23 calculates the package drive
diameter D
P. The drive diameter calculating section 23 calculates the package drive diameter
D
P at the driving point 40 by the following equation (2).
[0082] In step S4, the comparing and detecting section 24 recognizes the position of the
driving point 40 in accordance with the package drive diameter D
P calculated by the drive diameter calculating section 23, and determines the presence/absence
of the abnormality in the winding of the yarn Y of the package P (detects the winding
state of the package P). The comparing and detecting section 24, when determining
that there is the abnormality, proceeds to step S5 (step S4 : YES) and, when determining
that there is no abnormality, ends the processing here.
[0083] In step S5, the unit controller 14 notifies by use of the display 15, the abnormality
in the winding of the yarn Y, and ends the processing here. The display 15 of the
present embodiment is arranged in each winding unit 1, but the display 15 may be arranged
in the machine base control section that is arranged in the winding machine and that
is adapted to control the plurality of the winding units 1.
[0084] By the winding unit 1 of the present embodiment, the package drive diameter D
P at the driving point 40 can be calculated based on the peripheral speed V
p of the package P and the rotation speed F
P of the package P. The winding unit 1 can recognize the package drive diameter D
P and detect the abnormality at the driving point 40 by comparing or enabling to be
compared the package drive diameter D
P with the package reference value, thereby detecting the abnormality in the winding
of the yarn Y. In the winding unit 1, the abnormality in the winding or the deviation
in the winding among the plurality of the winding units 1 can be suppressed by detecting
the driving point 40 and adjusting contact pressure of the package P with respect
to the winding drum 16.
[0085] Next, a spinning machine according to a second embodiment of the present invention
will be described with reference to the drawings. The same description as in the above-described
first embodiment (the winding machine provided with the winding unit) will be omitted.
[0086] A spinning machine 51 illustrated in FIG. 6 and FIG. 7 is provided with a plurality
of spinning units 52 arranged next to each other. The spinning machine 51 includes
a yarn joining cart arranged in a freely travelling manner along a direction in which
the spinning units 52 are arranged, a motor box 54, a central control section, which
is not illustrated, adapted to perform a control of the spinning machine 51, and the
unit controller 14 adapted to control the spinning units 52 (see FIG. 7). The spinning
machine 51 may simultaneously drive the plurality of the spinning units 52 or may
individually drive the plurality of the spinning units 52. When individually driving
the spinning units 52, a yarn joining device may be arranged in each of the spinning
units 52 without providing a yarn joining cart (description will be made in detail
later).
[0087] The central control section is arranged, for example, inside the motor box 54. The
central control section is electrically connected to a plurality of the unit controllers
14 and is adapted to control the plurality of the unit controllers 14 in an integrated
manner. The unit controller 14 is arranged in each of the spinning units 52 and individually
controls each of the spinning units 52.
[0088] Each spinning unit 52 includes a draft device 56, a spinning section 57, the yarn
clearer 10, a yarn slack eliminating device (yarn accumulating device) 58, and a yarn
winding section 60 in this order from upstream towards downstream in a yarn travelling
direction. In the spinning unit 52, a configuration is made in which the draft device
56 is arranged in proximity to an upper end of a housing 59 of the spinning machine
51, and a fiber bundle 61 fed from the draft device 56 is introduced into and spun
in the spinning section 57. The spun yarn Y spun in the spinning section 57 is, after
passing through the yarn clearer 10, fed by the yarn slack eliminating device 58 and
wound by the yarn winding section 60, thereby forming the package P.
[0089] The draft device 56 is adapted to stretch a sliver 63 into the fiber bundle 61. The
draft device 56 includes a plurality of pairs of draft rollers 64 arranged along a
feeding direction (transport direction) of the fiber bundle 61 and drafts the fiber
bundle 61 using the draft rollers 64. Each draft roller 64 includes a pair of top
rollers and a pair of bottom rollers. The top rollers and the bottom rollers are respectively
arranged with the sliver 63 therebetween.
[0090] Although a detailed configuration of the spinning section 57 is not illustrated,
in the present embodiment, an air-jet type is employed in which a twist is applied
to the fiber bundle 61 by use of whirling airflow to produce spun yarn Y. The spinning
section 57 is not limited to the air-jet type.
[0091] The yarn slack eliminating device 58 draws the spun yarn Y from the spinning section
57 by applying a predetermined tension on the spun yarn Y. The yarn slack eliminating
device 58 prevents the spun yarn Y from slackening by accumulating the spun yarn Y
that is fed from the spinning section 57 at the time of yarn joining by the yarn joining
cart 53, or the like. Furthermore, the yarn slack eliminating device 58 adjusts the
tension such that a variation in the tension of the spun yarn Y in the yarn winding
section 60 is not propagated to the spinning section 57. The yarn slack eliminating
device 58 includes a slack eliminating roller (yarn accumulating roller) 65 and accumulates
the spun yarn Y by winding a predetermined amount of the spun yarn Y around an outer
peripheral surface thereof.
[0092] The yarn clearer 10 is arranged in a position on a front surface of the housing 59
of the spinning machine 51 and between the spinning section 57 and the yarn slack
eliminating device 58. The spun yarn Y spun from the spinning section 57 passes through
the yarn clearer 10 before being wound by the yarn slack eliminating device 58. The
yarn clearer 10 monitors a thickness of the travelling spun yarn Y and, when detecting
the yarn defect in the spun yarn Y, transmits a yarn defect detection signal to the
unit controller 14.
[0093] When the yarn defect is detected, the unit controller 14 stops the draft device 56,
the spinning section 57, or the like at a predetermined timing. At this time, the
unit controller 14 cuts the spun yarn Y by stopping injection of compressed air from
a nozzle in which the whirling airflow of the spinning section 57 is generated.
[0094] The unit controller 14 transmits a control signal to the yarn joining cart 53 and
causes the yarn joining cart 53 to travel to the front of the relevant spinning unit
52. Subsequently, the unit controller 14 drives the spinning section 57 or the like
again and controls the yarn joining cart 53 to perform the yarn joining to resume
the winding. At this time, the yarn slack eliminating device 58 eliminates a slack
of the spun yarn Y that is continuously fed from the spinning section 57, by accumulating
the spun yarn Y around a slack eliminating roller 65 between when the spinning section
57 resumes spinning and when the winding is resumed.
[0095] The yarn joining cart 53 includes a splicer (yarn joining device) 66, a suction pipe
67, and a suction mouth 68. When yarn breakage or yarn cut occurs in a spinning unit
52, the yarn joining cart 53 travels on a rail 69 to the relevant spinning unit 52
and stops. The suction pipe 67 sucks and catches a yarn end fed from the spinning
section 57, and guides the yarn end to the splicer 66 while vertically swinging with
an axis as a center. The suction mouth 68 sucks and catches a yarn end from the package
P supported by the yarn winding section 60, and guides the yarn end to the splicer
66 while vertically swinging with an axis as a center. The splicer 66 joins the guided
yarn ends.
[0096] The spinning machine 51 may not include the yarn joining cart 53. In this case, the
yarn joining device is provided in each spinning unit 52. Specifically, each spinning
unit 52 includes a splicer, a suction pipe, and a suction mouth and, when the yarn
breakage or the like occurs, each spinning unit 52 guides to the splicer, the spun
yarn and the yarn from the package, and performs the yarn joining.
[0097] The yarn winding section 60 includes a cradle (package supporting section) 71 swingably
supported around a support shaft 70. The cradle 71 rotatably supports a winding tube
(bobbin) 45 to wind the spun yarn Y.
[0098] The yarn winding section 60 includes the winding drum (a rotation drum) 16 and a
traverse device 75. The winding drum 16 is configured capable of driving being in
contact with the winding tube 45 or an outer peripheral surface of the package, which
is formed by winding the spun yarn Y around the winding tube 45. The traverse device
75 includes a traverse guide 76 that is capable of engaging with the spun yarn Y.
By driving the winding drum 16 using a drum drive motor 32 while reciprocating the
traverse guide 76 by a drive means, which is not illustrated, the yarn winding section
60 rotates the package P being in contact with the winding drum 16, and winds the
spun yarn Y while traversing the spun yarn Y.
[0099] Since in the spinning machine 51 configured in such a manner as well, a driving state
detecting device (the unit controller 14, see FIG. 2) is provided as in the winding
unit 1 or the winding machine of the above-described first embodiment, the package
drive diameter D
P at the driving point 40 can be calculated based on the rotation speed F
1 of the winding drum 16 and the rotation speed F
P of the package P. In the spinning machine 51, a yarn Y is spun at a preset constant
yarn speed. Since the yarn winding section 60 is controlled such that the slack eliminating
roller 65 holds a constant amount of the yarn Y, the yarn speed of the yarn Y spun
from the spinning section 57 and a yarn speed of the yarn Y wound by the yarn winding
section 60 become equal to each other. Therefore, the driving point 40 can be calculated
by employing the preset constant yarn spun speed as the yarn travelling speed V
0. Alternatively, a yarn speed sensor may be provided as in the winding unit 1. The
spinning machine 51 can recognize the package drive diameter D
P and detect the abnormality at the driving point 40 by comparing the package drive
diameter D
P and the package reference value, thereby detecting the abnormality in the winding
of the yarn Y. In the spinning machine 51, by detecting the driving point 40 and adjusting
the contact pressure of the package P with respect to the winding drum 16, the abnormality
in the winding and the deviation in the winding among the plurality of the yarn winding
sections 60 can be suppressed.
[0100] Next, a contact pressure adjustment mechanism 37 will be described with reference
to FIG. 8. FIG. 8 is a plan view illustrating the package P and the cradle 71. The
spinning unit 52 may include the contact pressure adjustment mechanism 37 adapted
to adjust the contact pressure of the package P with respect to the winding drum 16.
The contact pressure adjustment mechanism 37 includes, for example, a pair of cylinders
38. The pair of cylinders 38 is separately arranged in the axial direction of the
package P. One end of the cylinder 38 is connected to the cradle 71, and the other
end is connected to the housing 59 of the spinning unit 52. In FIG. 8, the other end
is connected to a coupling member 39 coupled with the housing 59. By operating the
cylinder 38 to change a position of the cradle 71, a position (an inclination in a
direction of a rotation axis) of the package P with respect to the winding drum 16
can be adjusted. The position of the package P may be adjusted by changing the position
of the cradle 71 using another drive mechanism such as the drive motor 32 instead
of the cylinder 38. Similarly, in the yarn winding unit of the above-described first
embodiment, the position (the inclination in the direction of the rotation axis) of
the package P may be adjusted by changing the position of the cradle 71 by use of
the drive mechanism.
[0101] In the spinning unit 52, the position of the driving point 40 of the package P can
be adjusted by adjusting the contact pressure between the winding drum 16 and the
package P using the contact pressure adjustment mechanism 37. The contact pressure
adjustment mechanism 37 may be operated by the operator. The contact pressure adjustment
mechanism 37 may be operated in accordance with a command signal from the unit controller
14. The contact pressure adjustment mechanism 37 is not limited to those provided
with the cylinder 38, and may be provided with an elastic member such as a spring.
The contact pressure adjustment mechanism 37 may be provided with a motor adapted
to rotate the cradle 71 in a direction orthogonal to the direction of the rotation
axis of the package P. The contact pressure adjustment mechanism 37 may be employed
in the yarn winding unit 1 of the above-described first embodiment.
[0102] Next, the spinning machine 51 provided with the plurality of the spinning units 52
according to a third embodiment of the present invention will be described with reference
to FIG. 9. The same description as in the above-described first embodiment and the
second embodiment will be omitted by denoting the same reference numerals.
[0103] The spinning unit 52 according to the third embodiment includes the driving state
detecting device adapted to calculate a slip ratio of the package as a calculation
value relating to a driving state of the cone-shaped package, and to compare the calculated
slip ratio of the package with the determination reference value. The spinning unit
52 includes a unit controller 80 adapted to perform a control of the spinning unit
52, and the unit controller 80 functions as the driving state detecting device.
[0104] The unit controller 80 includes as processing sections, a drum peripheral speed detecting
section 81, a drum rotation speed detecting section 82, a package slip ratio calculating
section (driving state calculation value calculating section) 83, a comparing and
detecting section 84, or the like.
[0105] The drum rotation speed detecting section 82 detects a rotation speed F
D of the winding drum. The drum rotation speed detecting section 82 calculates the
rotation speed F
D (rpm) of the winding drum based on the data output from the rotation sensor 31.
[0106] The drum peripheral speed detecting section 81 detects a peripheral speed V
D of the winding drum. The drum peripheral speed detecting section 81 calculates the
peripheral speed V
D of the winding drum based on the outer diameter D
1 of the winding drum and the rotation speed F
D of the winding drum. The drum peripheral speed detecting section 81 may detect the
peripheral speed V
D of the winding drum by the following equation (6).
[0107] The package slip ratio calculating section 83 calculates the slip ratio of the package
P with respect to the winding drum by the following equation (7). The package slip
ratio calculating section 83 calculates the slip ratio of the package P based on the
peripheral speed V
D of the winding drum and the peripheral speed V
P of the package P.
[0108] The comparing and detecting section 84 compares the slip ratio S of the package P
calculated by the package slip ratio calculating section 83 with the determination
reference value. The comparing and detecting section 84 can detect the winding state
of the package P by comparing the slip ratio S of the package P with the determination
reference value.
[0109] The comparing and detecting section 84 can employ an average slip ratio S
A as the determination reference value. The average slip ratio S
A may be calculated from previous data. Alternatively, an average value may be calculated
from data of slip ratios of the plurality of units. As the average slip ratio S
A, 10% may be employed, for example. The determination reference value may be arbitrarily
set by the operator.
[0110] The comparing and detecting section 84 may determine that there is an abnormality
in the driving state of the cone-shaped package in a case where the slip rate S becomes
the double of the average slip rate S
A when the slip rate S is compared with the average slip rate S
A.
[0111] Since the driving state detecting device (unit controller 80) is provided in the
spinning unit 52 configured in such a manner, the slip ratio S of the package P can
be recognized by calculating the slip ratio S of the package P and comparing the slip
ratio S with the determination reference value, and the abnormality in the driving
of the package P can be detected. By detecting and correcting an abnormality in the
slip ratio S, the abnormality in the winding or the deviation in the winding among
the plurality of the devices can be suppressed.
[0112] The spinning unit 52 may include the notifying section adapted to notify information
relating to the slip ratio S of the package P. Since the notifying section displays
the information relating to the slip ratio, the operator can promptly execute a subsequent
adjustment operation by recognizing the abnormality in the slip ratio S. In FIG. 9,
the display 15 is arranged in each spinning unit 52, but the display 15 may be arranged
in the motor box 54 that is arranged in the spinning machine and is adapted to control
the plurality of the spinning units 52.
[0113] Next, one example of the displayed contents displayed in the display (display section)
15 will be described with reference to FIG. 10. The display 15 displays the calculation
value and the reference value that have been enabled by the comparing and detecting
section 24 to be compared with each other. The display 15 can display data relating
to a comparison result together with an image illustrating the package P. The display
15 may display data relating to equipment specifications together with the image of
the package P.
[0114] The display 15 displays a traverse width W
t and a taper angle 5 of the winding tube 45 (a yarn tube) as the data relating to
the equipment specifications. The traverse width W
t is a width in a horizontal direction of the yarn Y wound around the winding tube
45, and a length in a direction along an outline of an outer peripheral surface of
the winding tube 45 when viewed from a side (viewed from a direction intersecting
the axial direction of the winding tube 45) . The traverse width W
t of the package P of the present embodiment is, for example, 0.1524 m.
[0115] Taper angle 5 of the winding tube 45 is an angle between the axial line of the winding
tube 45 and a line parallel to the outline of the outer peripheral surface of the
winding tube 45 when viewed from a side. The taper angle δ of the winding tube 45
of the present embodiment is, for example, 5°.
[0116] The display 15 displays as the data relating to the comparison result, the package
drive diameter D
P, the package average diameter D
PA, a traverse center width W
tc, a small diameter end portion package diameter D
PS, a large diameter end portion package diameter D
PL, and a drive package position P
d, for example.
[0117] The package drive diameter D
P can be calculated by the above-described equation (2). The package average diameter
D
PA can be calculated by the above-described equation (1). The traverse center width
W
tc can be calculated by the following equation (8). The traverse center width W
tc is a traverse width (width of the package) in the axial direction of the package
P.
[0118] The small diameter end portion package diameter D
PS can be calculated by the following equation (9). The small diameter end portion package
diameter D
PS is an outer diameter of a small diameter end portion of the package P.
[0119] The large diameter end portion package diameter D
PL can be calculated by the following equation (10). The large diameter end portion
package diameter D
PL is an outer diameter of a large diameter end portion of the package P.
[0120] The drive package position P
d can be calculated by the following equation (11). The drive package position P
d is a position of the driving point 40 of the package P and indicates a position from
a center of the package P in a direction along the traverse width of the package P.
For example, when the drive package position P
d exists closer to the large diameter than the center, the drive package position P
d is indicated by a positive numerical value and, when the drive package position P
d exists closer to the small diameter than the center, the drive package position P
d is indicated by a negative numerical value.
[0121] The data relating to the equipment specifications, which is displayed in the display
15, is stored in the storage section 28 of the unit controller 14, for example. The
calculations of the package drive diameter D
P, the package average diameter D
PA, the traverse center width W
tc, the small diameter end portion package diameter D
PS, the large diameter end portion package diameter D
PL, and the drive package position P
d can be performed by the unit controller 14.
[0122] The display 15 can illustrate the positions of the driving point 40 and the center
point 41 on a package image. The display 15 can change the displayed position of the
driving point 40 in accordance with a change in the position of the driving point
40.
[0123] Embodiments of the present invention have been described, but the present invention
is not limited to the above-described embodiments. For example, a configuration may
be made in which while the package is rotated by the rotating winding drum 16, the
yarn Y is traversed on the surface of the relevant package, or a configuration may
be made in which driving the package and traversing are independent from each other.
Such a winding unit may be, for example, an arm-type traverse device adapted to traverse
the yarn Y by a traversing arm, a winding unit provided with a belt-type traverse
device adapted to traverse the yarn Y by a yarn hooking member which reciprocates
from side to side by a belt, or the like. Furthermore, each of component members provided
in the spinning unit 52 or the winding unit 1 is not limited to an arrangement in
the above-described embodiment, and the arrangement may be changed in an appropriate
manner.
[0124] The driving state detecting device of the present invention may be applied to another
yarn processing device without limited to the winding machine and the spinning machine.
[0125] In the above-described embodiment, the driving state of the cone-shaped package is
detected by calculating the package drive diameter D
P or the slip ratio S as the calculation value relating to the driving state of the
cone-shaped package, but the driving state of the cone-shaped package may be detected
by calculating the package drive diameter D
P and the slip ratio S. Alternatively, another calculation value may be calculated
and be compared with the determination reference value.
1. A driving state detecting device (14, 80) comprising:
a driving state calculation value calculating section (23, 83) adapted to calculate
a calculation value relating to a driving state of a cone-shaped package that rotates
by abutting against an outer peripheral surface of a winding drum (16) rotating around
an axial line and into which a traversed yarn is wound;
a comparing and detecting section (24, 84) adapted to compare or enable to be compared
the calculation value calculated by the driving state calculation value calculating
section (23, 83) with a determination reference value;
a package peripheral speed detecting section (21) adapted to detect a peripheral speed
VP of the cone-shaped package;
a package rotation speed detecting section (22) adapted to detect a rotation speed
FP of the package; and
an average diameter calculating section adapted to calculate a package average diameter
DPA, which is an average outer diameter of the package, as the determination reference
value;
wherein the driving state calculation value calculating section (23) is a drive diameter
calculating section (23) adapted to calculate as the calculation value, a package
drive diameter DP, which is an outer diameter of the package at a driving point in which a rotation
drive force of the winding drum (16) is transmitted; and
the comparing and detecting section (24) is adapted to compare or to enable to be
compared the package drive diameter DP with the package average diameter DPA.
2. The driving state detecting device (14) according to claim 1, comprising a drum rotation
speed detecting section (82) adapted to detect a rotation speed F1 of the winding drum (16);
wherein the drive diameter calculating section (23) is adapted to calculate the package
drive diameter DP based on the rotation speed F1 of the winding drum (16); and
the comparing and detecting section (24) is adapted to compare or to enable to be
compared the package drive diameter DP with the package average diameter DPA, and outputs information relating to a winding state of the package.
3. The driving state detecting device (14) according to claim 2, wherein a package reference
value is given as one determination reference value and the package reference value
is a small diameter and/or a large diameter of a winding tube around which the yarn
is wound.
4. The driving state detecting device (14) according to claim 2 or claim 3, wherein the
package reference value is given as one determination reference value and the package
reference value is an outer diameter of the small diameter and/or an outer diameter
of the large diameter of the package that is in a winding operation.
5. The driving state detecting device (14) according to any one of claim 2 through claim
4, wherein the comparing and detecting section (24) is adapted to detect a change
in the package drive diameter DP and to enable the package drive diameter DP to be compared with the determination reference value.
6. The driving state detecting device (14) according to any one of claim 2 through claim
5, wherein the average diameter calculating section is adapted to calculate the package
average diameter D
PA, which is an average outer diameter of the package, by the following equation (1).
7. The driving state detecting device (14) according to any one of claim 2 through claim
6, wherein the drive diameter calculating section (23) calculates the package drive
diameter D
P by the following equation (2).
8. The driving state detecting device (14) according to any one of claim 1 through claim
7, comprising:
a notifying section (15) adapted to notify information for instructing adjustment
of an inclination of a package supporting section (17, 71) adapted to support the
package;
wherein the comparing and detecting section (24) is adapted to compare the package
drive diameter DP with the package average diameter DPA and, when the winding state of the package that has been detected in the comparison
by the comparing and detecting section (24) deviates from a predefined state, the
notifying section (15) is adapted to notify the information for instructing the adjustment
of the inclination of the package supporting section (17, 71).
9. The driving state detecting device (80) according to claim 1, wherein the driving
state calculation value calculating section (23, 83) is adapted to calculate a slip
ratio of the package with respect to the winding drum (16).
10. The driving state detecting device (80) according to claim 9, wherein the driving
state calculation value calculating section (83) is adapted to calculate the slip
ratio of the package based on the peripheral speed VD of the winding drum (16) and the peripheral speed VP of the package.
11. The driving state detecting device (80) according to claim 9 or claim 10, comprising
the notifying section (15) adapted to notify information relating to the slip ratio
of the package.
12. The driving state detecting device (14) according to any one of claim 1 through claim
7, comprising the notifying section (15) adapted to notify the calculation value and
the determination reference value, that have been enabled by the comparing and detecting
section (24) to be compared with each other, or a comparison result from the comparing
and detecting section (24).
13. The driving state detecting device (14) according to claim 12, wherein the notifying
section (15) is a display section adapted to display the comparison result on a package
image.
14. A winding unit (1) comprising:
the winding drum (16) adapted to rotate around the axial line;
the package supporting section (17, 71) adapted to support the cone-shaped package
that rotates in response to drive force from the winding drum (16) by abutting against
the outer peripheral surface of the winding drum (16) and into which the traversed
yarn is wound;
a yarn speed detecting section (18) adapted to detect a yarn travelling speed of the
yarn travelling between a yarn supplying section adapted to supply the yarn and the
package; and
the driving state detecting device (14, 80) according to any one of claim 1 through
claim 13.
15. The winding unit (1) according to claim 14, comprising the package peripheral speed
detecting section (21) adapted to detect the peripheral speed V
P of the package by the following equation (3) .
16. The winding unit (1) according to claim 14 or claim 15, comprising a contact pressure
adjustment mechanism (37) adapted to adjust a contact state of the package with respect
to the winding drum (16).
17. The winding unit (1) according to claim 16, wherein the contact pressure adjustment
mechanism (37) includes a cylinder (38) or a motor that is connected to the package
supporting section (17, 71).
18. A winding machine comprising a plurality of the winding units (1) according to any
one of claim 15 through claim 17.
19. A spinning unit (52) comprising:
a draft roller (64) adapted to draft a fiber bundle;
a spinning section (57) adapted to spin the fiber bundle, which has been drafted by
the draft roller (64), by whirling airflow and generate the yarn;
the winding drum (16) adapted to rotate around the axial line;
the package supporting section (17, 71) adapted to support the cone-shaped package
that rotates in response to the drive force from the winding drum (16) by abutting
against the outer peripheral surface of the winding drum (16) and into which the traversed
yarn is wound; and
the driving state detecting device (14, 80) according to any one of claim 1 through
claim 13.
20. The spinning unit (52) according to claim 19, wherein the spinning section (57) is
adapted to spin the yarn at a preset constant yarn travelling speed; and
the driving state detecting device (14) is adapted to calculate the package average
diameter DPA, which is the average outer diameter of the package, by employing the preset constant
yarn travelling speed.
21. The spinning unit (52) according to claim 19 or claim 20, comprising the contact pressure
adjustment mechanism (37) adapted to adjust a contact pressure of the package with
respect to the winding drum (16).
22. The spinning unit (52) according to claim 21, wherein the contact pressure adjustment
mechanism (37) includes the cylinder (38) or a drive motor that is connected to the
package supporting section (17, 71).
23. A spinning machine (51) comprising a plurality of the spinning units (52) according
to any one of claim 19 through claim 22.
1. Eine Antriebszustandserfassungsvorrichtung (14, 80), die folgende Merkmale aufweist:
einen Antriebszustandsberechnungswertberechnungsabschnitt (23, 83), der angepasst
ist, um einen Berechnungswert zu berechnen, der sich auf einen Antriebszustand eines
kegelförmigen Wickelkörpers bezieht, der sich durch Anstoßen gegen eine Außenumfangsoberfläche
einer Wickeltrommel (16) dreht, die sich um eine Axiallinie dreht, und in den ein
traversiertes Garn gewickelt wird;
einen Vergleichs- und Erfassungsabschnitt (24, 84), der angepasst ist, um den Berechnungswert,
der durch den Antriebszustandsberechnungswertberechnungsabschnitt (23, 83) berechnet
wird, mit einem Bestimmungsreferenzwert zu vergleichen oder um es zu ermöglichen,
dass derselbe verglichen wird;
einen Wickelkörperumfangsgeschwindigkeitserfassungsabschnitt (21), der angepasst ist,
um eine Umfangsgeschwindigkeit Vp des kegelförmigen Wickelkörpers zu erfassen;
einen Wickelkörperdrehgeschwindigkeitserfassungsabschnitt (22), der angepasst ist,
um eine Drehgeschwindigkeit FP des Wickelkörpers zu erfassen; und
einen Durchschnittsdurchmesserberechnungsabschnitt, der angepasst ist, um einen Wickelkörperdurchschnittsdurchmesser
DPA, der ein durchschnittlicher Außendurchmesser des Wickelkörpers ist, als den Bestimmungsreferenzwert
zu berechnen;
wobei der Antriebszustandsberechnungswertberechnungsabschnitt (23) ein Antriebsdurchmesserberechnungsabschnitt
(23) ist, der angepasst ist, um als den Berechnungswert einen Wickelkörperantriebsdurchmesser
DP zu berechnen, der ein Außendurchmesser des Wickelkörpers an einem Antriebspunkt ist,
in dem eine Drehantriebskraft der Wickeltrommel (16) übertragen wird; und
der Vergleichs- und Erfassungsabschnitt (24) angepasst ist, um den Wickelkörperantriebsdurchmesser
DP mit dem Wickelkörperdurchschnittsdurchmesser DPA zu vergleichen oder um es zu ermöglichen, dass derselbe verglichen wird.
2. Die Antriebszustandserfassungsvorrichtung (14) gemäß Anspruch 1, die einen Trommeldrehgeschwindigkeitserfassungsabschnitt
(82) aufweist, der angepasst ist, um eine Drehgeschwindigkeit F1 der Wickeltrommel (16) zu erfassen;
wobei der Antriebsdurchmesserberechnungsabschnitt (23) angepasst ist, um den Wickelkörperantriebsdurchmesser
DP basierend auf der Drehgeschwindigkeit F1 der Wickeltrommel (16) zu berechnen; und
der Vergleichs- und Erfassungsabschnitt (24) angepasst ist, um den Wickelkörperantriebsdurchmesser
DP mit dem Wickelkörperdurchschnittsdurchmesser DPA zu vergleichen oder um es zu ermöglichen, dass derselbe verglichen wird, und Informationen
bezüglich eines Wickelzustands des Wickelkörpers ausgibt.
3. Die Antriebszustandserfassungsvorrichtung (14) gemäß Anspruch 2, bei der ein Wickelkörperreferenzwert
als ein Bestimmungsreferenzwert gegeben ist und der Wickelkörperreferenzwert ein kleiner
Durchmesser und/oder ein großer Durchmesser einer Wicklungsröhre ist, um die das Garn
gewickelt wird.
4. Die Antriebszustandserfassungsvorrichtung (14) gemäß Anspruch 2 oder Anspruch 3, bei
der der Wickelkörperreferenzwert als ein Bestimmungsreferenzwert gegeben ist und der
Wickelkörperreferenzwert ein Außendurchmesser des kleinen Durchmessers und/oder ein
Außendurchmesser des großen Durchmessers des Wickelkörpers ist, der sich in einem
Wickelvorgang befindet.
5. Die Antriebszustandserfassungsvorrichtung (14) gemäß einem der Ansprüche 2 bis 4,
bei der der Vergleichs- und Erfassungsabschnitt (24) angepasst ist, um eine Änderung
in dem Wickelkörperantriebsdurchmesser DP zu erfassen und um es zu ermöglichen, dass der Wickelkörperantriebsdurchmesser DP mit dem Bestimmungsreferenzwert verglichen wird.
6. Die Antriebszustandserfassungsvorrichtung (14) gemäß einem der Ansprüche 2 bis 5,
bei der der Durchschnittsdurchmesserberechnungsabschnitt angepasst ist, um den Wickelkörperdurchschnittsdurchmesser
D
PA, der ein durchschnittlicher Außendurchmesser des Wickelkörpers ist, durch die folgende
Gleichung (1) zu berechnen.
7. Die Antriebszustandserfassungsvorrichtung (14) gemäß einem der Ansprüche 2 bis 6,
bei der der Antriebsdurchmesserberechnungsabschnitt (23) den Wickelkörperantriebsdurchmesser
D
P durch die folgende Gleichung (2) berechnet.
8. Die Antriebszustandserfassungsvorrichtung (14) gemäß einem der Ansprüche 1 bis 7,
die folgende Merkmale aufweist:
einen Meldeabschnitt (15), der angepasst ist, um Informationen zum Anweisen einer
Einstellung einer Neigung eines Wickelkörpertrageabschnitts (17, 71), der angepasst
ist, um den Wickelkörper zu tragen, zu melden;
wobei der Vergleichs- und Erfassungsabschnitt (24) angepasst ist, um den Wickelkörperantriebsdurchmesser
DP mit dem Wickelkörperdurchschnittsdurchmesser DPA zu vergleichen und, wenn der Wickelzustand des Wickelkörpers, der bei dem Vergleich
durch den Vergleichs- und Erfassungsabschnitt (24) erfasst wurde, von einem vordefinierten
Zustand abweicht, der Meldeabschnitt (15) angepasst ist, um die Informationen zum
Anweisen der Einstellung der Neigung des Wickelkörpertrageabschnitts (17, 71) zu melden.
9. Die Antriebszustandserfassungsvorrichtung (80) gemäß Anspruch 1, bei der der Antriebszustandsberechnungswertberechnungsabschnitt
(23, 83) angepasst ist, um ein Gleitverhältnis des Wickelkörpers bezüglich der Wickeltrommel
(16) zu berechnen.
10. Die Antriebszustandserfassungsvorrichtung (80) gemäß Anspruch 9, bei der der Antriebszustandsberechnungswertberechnungsabschnitt
(83) angepasst ist, um das Gleitverhältnis des Wickelkörpers basierend auf der Umfangsgeschwindigkeit
VD der Wickeltrommel (16) und der Umfangsgeschwindigkeit Vp des Wickelkörpers zu berechnen.
11. Antriebszustandserfassungsvorrichtung (80) gemäß Anspruch 9 oder Anspruch 10, die
den Meldeabschnitt (15) aufweist, der angepasst ist, um Informationen bezüglich des
Gleitverhältnisses des Wickelkörpers zu melden.
12. Die Antriebszustandserfassungsvorrichtung (14) gemäß einem der Ansprüche 1 bis 7,
die den Meldeabschnitt (15) aufweist, der angepasst ist, um den Berechnungswert und
den Bestimmungsreferenzwert, die durch den Vergleichs- und Erfassungsabschnitt (24)
miteinander verglichen werden konnten, oder ein Vergleichsergebnis von dem Vergleichs-
und Erfassungsabschnitt (24) zu melden.
13. Die Antriebszustandserfassungsvorrichtung (14) gemäß Anspruch 12, bei der der Meldeabschnitt
(15) ein Anzeigeabschnitt ist, der angepasst ist, um das Vergleichsergebnis auf einem
Wickelkörperbild anzuzeigen.
14. Eine Wickeleinheit (1), die folgende Merkmale aufweist:
die Wickeltrommel (16), die angepasst ist, um sich um die Axiallinie zu drehen;
den Wickelkörpertrageabschnitt (17, 71), der angepasst ist, um den kegelförmigen Wickelkörper
zu tragen, der sich ansprechend auf eine Antriebskraft von der Wickeltrommel (16)
dreht durch Anstoßen gegen die Außenumfangsoberfläche der Wickeltrommel (16), und
in den das traversierte Garn gewickelt wird;
einen Garngeschwindigkeitserfassungsabschnitt (18), der angepasst ist, um eine Garnbewegungsgeschwindigkeit
des Garns zu erfassen, das sich zwischen einem Garnzuführabschnitt, der angepasst
ist, um das Garn zuzuführen, und dem Wickelkörper bewegt; und
die Antriebszustandserfassungsvorrichtung (14, 80) gemäß einem der Ansprüche 1 bis
Anspruch 13.
15. Die Wickeleinheit (1) gemäß Anspruch 14, die den Wickelkörperumfangsgeschwindigkeitserfassungsabschnitt
(21) aufweist, der angepasst ist, um die Umfangsgeschwindigkeit V
p des Wickelkörpers durch die folgende Gleichung (3) zu erfassen.
16. Die Wickeleinheit (1) gemäß Anspruch 14 oder Anspruch 15, die einen Kontaktdruckeinstellmechanismus
(37) aufweist, der angepasst ist, um einen Kontaktzustand des Wickelkörpers bezüglich
der Wickeltrommel (16) einzustellen.
17. Die Wickeleinheit (1) gemäß Anspruch 16, bei der der Kontaktdruckeinstellmechanismus
(37) einen Zylinder (38) oder einen Motor umfasst, der mit dem Wickelkörpertrageabschnitt
(17, 71) verbunden ist.
18. Eine Wickelmaschine, die eine Mehrzahl der Wickeleinheiten (1) gemäß einem der Ansprüche
15 bis 17 aufweist.
19. Eine Spinneinheit (52), die folgende Merkmale aufweist:
eine Zugrolle (64), die angepasst ist, um ein Faserbündel zu ziehen;
einen Spinnabschnitt (57), der angepasst ist, um das Faserbündel zu spinnen, das durch
die Zugrolle (64) gezogen wurde, durch Wirbelluftstrom, und das Garn zu erzeugen;
die Wickeltrommel (16), die angepasst ist, um sich um die Axiallinie zu drehen;
den Wickelkörpertrageabschnitt (17, 71), der angepasst ist, um den kegelförmigen Wickelkörper
zu tragen, der sich ansprechend auf die Antriebskraft von der Wickeltrommel (16) dreht
durch Anstoßen gegen die Außenumfangsoberfläche der Wickeltrommel (16), und in den
das traversierte Garn gewickelt wird; und
die Antriebszustandserfassungsvorrichtung (14, 80) gemäß einem der Ansprüche 1 bis
13.
20. Die Spinneinheit (52) gemäß Anspruch 19, bei der der Spinnabschnitt (57) angepasst
ist, um das Garn bei einer voreingestellten konstanten Garnbewegungsgeschwindigkeit
zu spinnen; und
die Antriebszustandserfassungsvorrichtung (14) angepasst ist, um den Wickelkörperdurchschnittsdurchmesser
TPA, der der durchschnittliche Außendurchmesser des Wickelkörpers ist, durch Verwenden
der voreingestellten konstanten Garnbewegungsgeschwindigkeit zu berechnen.
21. Die Spinneinheit (52) gemäß Anspruch 19 oder Anspruch 20, die den Kontaktdruckeinstellmechanismus
(37) aufweist, der angepasst ist, um einen Kontaktdruck des Wickelkörpers bezüglich
der Wickeltrommel (16) einzustellen.
22. Die Spinneinheit (52) gemäß Anspruch 21, bei der der Kontaktdruckeinstellmechanismus
(37) den Zylinder (38) oder einen Antriebsmotor umfasst, der mit dem Wickelkörpertrageabschnitt
(17, 71) verbunden ist.
23. Eine Spinnmaschine (51), die eine Mehrzahl der Spinneinheiten (52) gemäß einem der
Ansprüche 19 bis 22 aufweist.
1. Dispositif de détection d'état d'entraînement (14, 80) comprenant:
un segment de calcul de valeur de calcul d'état d'entraînement (23, 83) adapté pour
calculer une valeur de calcul relative à un état d'entraînement d'un paquet en forme
de cône qui tourne en venant en butée contre une surface périphérique extérieure d'un
tambour d'enroulement (16) tournant autour d'une ligne axiale et dans lequel est enroulé
un fil traversé;
un segment de comparaison et de détection (24, 84) adapté pour comparer ou permettre
d'être comparée la valeur de calcul calculée par le segment de calcul de valeur de
calcul d'état d'entraînement (23, 83) avec une valeur de référence de détermination;
un segment de détection de vitesse périphérique de paquet (21) adapté pour détecter
une vitesse périphérique VP du paquet en forme de cône;
un segment de détection de vitesse de rotation de paquet (22) adapté pour détecter
une vitesse de rotation FP du paquet; et
un segment de calcul de diamètre moyen adapté pour calculer un diamètre moyen de paquet
DPA, qui est un diamètre extérieur moyen du paquet, comme valeur de référence de détermination;
dans lequel le segment de calcul de valeur de calcul d'état d'entraînement (23) est
un segment de calcul de diamètre d'entraînement (23) adapté pour calculer, comme valeur
de calcul, un diamètre d'entraînement de paquet DP qui est un diamètre extérieur du paquet à un point d'entraînement où est transmise
une force d'entraînement en rotation du tambour d'enroulement (16); et
le segment de comparaison et de détection (24) est adapté pour comparer ou permettre
d'être comparé le diamètre d'entraînement de paquet DP avec le diamètre moyen de paquet DPA.
2. Dispositif de détection d'état d'entraînement (14) selon la revendication 1, comprenant,
un segment de détection de vitesse de rotation de tambour (82) adapté pour détecter
une vitesse de rotation F1 du tambour d'enroulement (16);
dans lequel le segment de calcul de diamètre d'entraînement (23) est adapté pour calculer
le diamètre d'entraînement du paquet DP sur base de la vitesse de rotation F1 du tambour d'enroulement (16); et
le segment de comparaison et de détection (24) est adapté pour comparer ou permettre
d'être comparé le diamètre d'entraînement de paquet DP, avec le diamètre moyen de paquet DPA, et sort des informations relatives à un état d'enroulement du paquet.
3. Dispositif de détection d'état d'entraînement (14) selon la revendication 2, dans
lequel une valeur de référence de paquet est donnée comme une valeur de référence
de détermination et la valeur de référence de paquet est un petit diamètre et/ou un
grand diamètre d'un tube d'enroulement autour duquel est enroulé le fil.
4. Dispositif de détection d'état d'entraînement (14) selon la revendication 2 ou la
revendication 3, dans lequel la valeur de référence de paquet est donnée comme une
valeur de référence de détermination et la valeur de référence de paquet est un diamètre
extérieur du petit diamètre et/ ou un diamètre extérieur du grand diamètre du paquet
qui se trouve dans une opération d'enroulement.
5. Dispositif de détection d'état d'entraînement (14) selon l'une quelconque de la revendication
2 à la revendication 4, dans lequel le segment de comparaison et de détection (24)
est adapté pour détecter une modification du diamètre d'entraînement de paquet DP et pour permettre que le diamètre d'entraînement de paquet DP soit comparé avec la valeur de référence de détermination.
6. Dispositif de détection d'état d'entraînement (14) selon l'une quelconque de la revendication
2 à la revendication 5, dans lequel le segment de calcul du diamètre moyen est adapté
pour calculer le diamètre moyen de paquet D
PA, qui est un diamètre extérieur moyen du paquet, par l'équation suivante (1):
7. Dispositif de détection d'état d'entraînement (14) selon l'une quelconque de la revendication
2 à la revendication 6, dans lequel le segment de calcul de diamètre d'entraînement
(23) calcule le diamètre d'entraînement de paquet D
P par l'équation suivante (2):
8. Dispositif de détection d'état d'entraînement (14) selon l'une quelconque de la revendication
1 à la revendication 7, comprenant:
un segment de notification (15) adapté pour notifier des informations pour instruire
l'ajustement d'une inclinaison d'un segment de support de paquet (17, 71) adapté pour
supporter le paquet;
dans lequel le segment de comparaison et de détection (24) est adapté pour comparer
le diamètre d'entraînement de paquet DP avec le diamètre moyen de paquet DPA et, lorsque l'état d'enroulement du paquet qui a été détecté lors de la comparaison
par le segment de comparaison et de détection (24) s'écarte d'un état prédéfini, le
segment de notification (15) est adapté pour notifier les informations pour instruire
l'ajustement de l'inclinaison du segment de support de paquet (17,71).
9. Dispositif de détection d'état d'entraînement (80) selon la revendication 1, dans
lequel le segment de calcul de valeur de calcul d'état d'entraînement (23, 83) est
adapté pour calculer un rapport de glissement du paquet par rapport au tambour d'enroulement
(16).
10. Dispositif de détection d'état d'entraînement (80) selon la revendication 9, dans
lequel le segment de calcul de valeur de calcul d'état d'entraînement (83) est adapté
pour calculer le rapport de glissement du paquet sur base de la vitesse périphérique
VD du tambour d'enroulement (16) et de la vitesse périphérique VP du paquet.
11. Dispositif de détection d'état d'entraînement (80) selon la revendication 9 ou la
revendication 10, comprenant le segment de notification (15) adapté pour notifier
des informations relatives au rapport de glissement du paquet.
12. Dispositif de détection d'état d'entraînement (14) selon l'une quelconque de la revendication
1 à la revendication 7, comprenant le segment de notification (15) adapté pour notifier
la valeur de calcul et la valeur de référence de détermination qui ont été activées
par le segment de comparaison et de détection (24) pour être comparées l'une avec
l'autre, ou un résultat de comparaison du segment de comparaison et de détection (24).
13. Dispositif de détection d'état d'entraînement (14) selon la revendication 12, dans
lequel le segment de notification (15) est un segment d'affichage adapté pour afficher
le résultat de comparaison sur une image de paquet.
14. Unité d'enroulement (1) comprenant:
le tambour d'enroulement (16) adapté pour tourner autour de la ligne axiale;
le segment de support de paquet (17, 71) adapté pour supporter le paquet en forme
de cône qui tourne en réponse à la force d'entraînement du tambour d'enroulement (16)
en venant en butée contre la surface périphérique extérieure du tambour d'enroulement
(16) et dans lequel est enroulé le fil traversé;
un segment de détection de vitesse de fil (18) adapté pour détecter une vitesse de
déplacement du fil se déplaçant entre un segment d'alimentation de fil adapté pour
alimenter le fil et le paquet; et
le dispositif de détection d'état d'entraînement (14, 80) selon l'une quelconque de
la revendication 1 à la revendication 13.
15. Unité d'enroulement (1) selon la revendication 14, comprenant le segment de détection
de vitesse périphérique de paquet (21) adapté pour détecter la vitesse périphérique
V
P du paquet par l'équation (3) suivante:
16. Unité d'enroulement (1) selon la revendication 14 ou la revendication 15, comprenant
un mécanisme d'ajustage de pression de contact (37) adapté pour ajuster un état de
contact du paquet par rapport au tambour d'enroulement (16).
17. Unité d'enroulement (1) selon la revendication 16, dans laquelle le mécanisme d'ajustage
de pression de contact (37) comporte un cylindre (38) ou un moteur qui est connecté
au segment de support de paquet (17, 71).
18. Machine de bobinage comprenant une pluralité d'unités d'enroulement (1) selon l'une
quelconque de la revendication 15 à la revendication 17.
19. Unité de filage (52) comprenant:
un rouleau d'étirage (64) adapté pour étirer un faisceau de fibres;
un segment de filage (57) adapté pour filer le faisceau de fibres qui a été étiré
par le rouleau d'étirage (64), par un flux d'air tourbillonnant, et générer le fil;
le tambour d'enroulement (16) adapté pour tourner autour de la ligne axiale;
le segment de support de paquet (17, 71) adapté pour supporter le paquet en forme
de cône qui tourne en réponse à la force d'entraînement du tambour d'enroulement (16)
en venant en butée contre la surface périphérique extérieure du tambour d'enroulement
(16) et dans lequel est enroulé le fil traversé; et
le dispositif de détection d'état d'entraînement (14, 80) selon l'une quelconque de
la revendication 1 à la revendication 13.
20. Unité de filage (52) selon la revendication 19, dans laquelle le segment de filage
(57) est adapté pour filer le fil à une vitesse de déplacement de fil constante préréglée;
et
le dispositif de détection d'état d'entraînement (14) est adapté pour calculer le
diamètre moyen de paquet DPA, qui est le diamètre extérieur moyen du paquet, à l'aide de la vitesse de déplacement
de fil constante préréglée.
21. Unité de filage (52) selon la revendication 19 ou la revendication 20, comprenant
le mécanisme de réglage de pression de contact (37) adapté pour ajuster une pression
de contact du paquet par rapport au tambour d'enroulement (16).
22. Unité de filage (52) selon la revendication 21, dans laquelle le mécanisme de réglage
de la pression de contact (37) comporte le cylindre (38) ou un moteur d'entraînement
qui est connecté au segment de support de paquet (17, 71).
23. Métier à filer (51) comprenant une pluralité d'unités de filage (52) selon l'une quelconque
de la revendication 19 à la revendication 22.