EP 3914404 A1 20211201 - DEVICE FOR STAMPING AND PUNCHING THROUGH A SHEET-LIKE WORKPIECE
Title (en)
DEVICE FOR STAMPING AND PUNCHING THROUGH A SHEET-LIKE WORKPIECE
Title (de)
VORRICHTUNG ZUM PRAEGEN UND DURCHSTANZEN EINES PLATTENARTIGEN WERKSTUECKS
Title (fr)
DISPOSITIF POUR ESTAMPER ET POUR POINÇONNER UNE PIÈCE EN FORME DE PLAQUE
Publication
Application
Priority
- DE 102019101596 A 20190123
- EP 2020050246 W 20200108
Abstract (en)
[origin: WO2020151943A1] A device for stamping a depression (2) into a sheet-like workpiece and for punching through the workpiece in the region of the stamped depression (2) is proposed, comprising a punch unit and a die unit, between which the workpiece can be positioned, wherein the punch unit has a punch with a forming punch (8) and a stamping punch (9), wherein the forming punch (8) is designed to come into contact with a side of the workpiece in the region of the depression (2) during the stamping of the depression (2) and wherein the stamping punch (9) is designed to punch through the workpiece in the region of the depression (2), wherein the forming punch (8) and the stamping punch (9) are movable in a driven manner along a joining axis of the device. According to the invention, the forming punch (8) and the stamping punch (9) are enclosed in a punch housing, wherein the forming punch (8) and the stamping punch (9) can be driven in relation to the punch housing along the joining axis of the device by means of a common hydraulic supply.
IPC 8 full level
B21D 22/04 (2006.01); B21D 28/24 (2006.01)
CPC (source: EP US)
B21D 22/04 (2013.01 - EP); B21D 28/24 (2013.01 - EP); B21D 28/26 (2013.01 - US); B21D 28/34 (2013.01 - US)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
DE 102019101596 A1 20200723; CN 113329828 A 20210831; CN 113329828 B 20230808; EP 3914404 A1 20211201; US 2021346936 A1 20211111; WO 2020151943 A1 20200730
DOCDB simple family (application)
DE 102019101596 A 20190123; CN 202080010525 A 20200108; EP 2020050246 W 20200108; EP 20700347 A 20200108; US 202117443126 A 20210721