US 12,409,675 B2
Tool unit, press for holding such a tool unit and method for a ready-to-operate arrangement of the tool unit in the holder of the press
Helmut Prinzinger, Boehmenkirch (DE)
Assigned to ANDRITZ SCHULER PRESSEN GMBH, Goeppingen (DE)
Filed by ANDRITZ SCHULER PRESSEN GMBH, Goeppingen (DE)
Filed on Oct. 11, 2021, as Appl. No. 17/498,018.
Application 17/498,018 is a continuation in part of application No. PCT/EP2020/059730, filed on Apr. 6, 2020.
Claims priority of application No. 10 2019 109 700.2 (DE), filed on Apr. 12, 2019.
Prior Publication US 2022/0024245 A1, Jan. 27, 2022
Int. Cl. B44B 5/00 (2006.01)
CPC B44B 5/0052 (2013.01) 21 Claims
OG exemplary drawing
 
1. A press (21) for forming a round blank (59) comprising:
a holder (23) for an exchangeable tool unit (20) that comprises a first tool (45) and a second tool (46) that is movably supported in a stroke direction (H) toward the first tool (45) and in a back-stroke direction (R) away from the first tool (45) along the tool axis (A),
a positioning device (82) that comprises at least one positioning body (83) that cooperates with one assigned positioning recess (85) on the tool unit (20) respectively in order to position and/or align the tool unit (20) relative to the press (21),
the positioning recess (85) has a form tapering from an open end toward the other end of the positioning recess (85) and the at least one positioning body (83) tapers in the backstroke direction R toward its free end, and,
a clamping device (90) that is configured to clamp the tool unit (20) arranged in the holder (23) after the positioning device (82) has positioned and/or orientated the tool unit (20) relative to the press (21).