Global Patent Index - EP 1074320 A1

EP 1074320 A1 2001-02-07 - Punch- and embossing machine

Title (en)

Punch- and embossing machine

Title (de)

Stanz-und Prägemaschine

Title (fr)

Machine de poinçonnage et d'estampage

Publication

EP 1074320 A1 (DE)

Application

EP 99114647 A

Priority

EP 99114647 A

Abstract (en)

The machine has a machine frame (16), a ram (13), a mould (9) and a workpiece holder (15). The mould is mounted in a frame (8) movably guided in the machine frame with respect to. the workpiece holder by a control plate (5). The ram is connected to an eccentric shaft (4) rotatably mounted in the mould frame and directly connected to the control plate and a drive shaft (3). An Independent claim is also included for the use of a machine for processing hollow cylindrical workpieces.

Abstract (de)

Die Stanz- und Prägemaschine weist einen beweglich geführten Matrizenrahmen (8) auf, in welchem gleichzeitig eine Exzenterwelle (4) für den Antrieb des Stempels (13) gelagert ist. Der Matrizenrahmen (8) wird mittels einer Steuerscheibe (5) bewegt, welche direkt mit der Exzenterwelle (4) gekoppelt ist. Damit wird eine zwangsgeführte Bewegung zwischen Stempel (13) und Matrize (9) erreicht, welche gegenüber dem zu bearbeitenden Werkstück (1) derart überlagert ist, dass der Stempel (13) bezüglich dem Werkstück (1) nur minimste Bewegungen ausführt und damit insbesondere bei einem hohlzylindrischen Werkstück (1) die Bearbeitung von der Innenseite her nach Aussen erlaubt. Durch die Zwangsführung können vorteilhafterweise sehr hohe Arbeitsgeschwindigkeiten bei hoher Präzision erreicht werden. <IMAGE>

IPC 1-7 (main, further and additional classification)

B21D 28/28

IPC 8 full level (invention and additional information)

B21D 28/14 (2006.01); B21D 28/28 (2006.01); B21D 28/32 (2006.01); B26D 5/14 (2006.01)

CPC (invention and additional information)

B21D 28/32 (2013.01); B21D 28/28 (2013.01); B26D 5/14 (2013.01); Y10T 83/8835 (2015.04)

Citation (search report)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

EP 1074320 A1 20010207; EP 1074320 B1 20030416; AT 237417 T 20030515; DE 59905078 D1 20030522; ES 2197552 T3 20040101; JP 2001047149 A 20010220; JP 3987677 B2 20071010; US 6345526 B1 20020212

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