To smoothly carry a pressed product into a press die and out of the press die without failure.
A cam unit of a press die of the present invention includes: a cam block 2 with a cam slider 3 slidably arranged therein and fixed on an upper die 1; a cam driver 4 having a pressing surface 41 for pressing an inclination cam surface 34 formed in the lower side of the cam slider 3 in the upper side and a press-contact surface 42 press-contacted to a lower die 7 of the press die in the lower side, and sliding the inclination cam surface 34 of the cam slider 3 and moving forward the cam slider 3 by being arranged inside the cam block 2 slidably in the pressing stroke direction and press-contacted to the lower die 7 according to the pressing stroke in the lowering of the upper die 1; and a first elastic body 5 for providing an elastic force to move backward the cam slider 3 according to the pressing stroke in the lifting of the upper die 1.
HASEGAWA YUJI
IWAKI RYOTA
CHIDA YOSHINORI
SATO HIROSHI
JPH10314863A | 1998-12-02 |
Hiromichi Watanabe