Nocke für ein Preßwerkzeug

摘要

PCT No. PCT/JP96/01958 Sec. 371 Date Nov. 19, 1996 Sec. 102(e) Date Nov. 19, 1996 PCT Filed Jul. 12, 1996 PCT Pub. No. WO97/04894 PCT Pub. Date Feb. 13, 1997A cam (1) for a press die comprises: a movable cam slide (3) having a cam slide (3) which has a cam surface (2) and is movable in an X-direction; a cam driver (4) for moving the cam slide (3) in the X-direction by abutting against the cam surface (2) of the cam slide (3); and a returning spring (5) for returning the cam slide (3) to its original position. The returning spring (5) is disposed in a bottomed hole (11) formed in the cam slide (3) and whose one end (41) abuts against a main body (12) of the cam slide (3) in the bottomed hole (11), a holder (43) holds the coil spring (42). The holder (43) is provided with a rod (45) which is slidably passed through a through hole (44) and extends through the bottomed hole (11) in such a manner as to be surrounded by the coil spring (42); and a spring seat (48) which is provided in threaded engagement with one end portion (47) of the rod (45) at a bottomed-hole (11) side so as to receive another end (46) of the coil spring (42).