Stabilizer of drawing die and stabilizer unit of the same

Details Stabilizer of drawing die and stabilizer unit of the same Stabilizer of drawing die and stabilizer unit of the same

B - Operations, Transporting

21

D

B21D 24/02 (2006.01) B21D 24/04 (2006.01) B21D 24/12 (2006.01)

Patent

CA 2527151

A stabilizer of a drawing die includes a punch, a blank holder, and a die facing the punch. A thin plate mounted on the blank holder is pinched between the blank holder and the die by moving the die downward, a plurality of boxes around the blank holder can be freely moved upward and downward. A buffer gas spring is interposed between the boxes and the blank holder to form a run-up gap between the boxes and the blank holder. A run-up lever runs up the blank holder before the die comes into collision with the thin plate. A driver driving the run-up lever is arranged to face the run-up lever of the die, whereby the die comes into collision with the thin plate on the blank holder after the blank holder runs up.

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