Punching composite die

The utility model provides a punching composite die, the mould mainly includes upper die base, die holder, forced die shank, towards round hole terrace die, punch -die, die under, punch -die and blank holder, the upper die base inlays the guide pillar clearance fit of guide pin bushing and die holder, forced die shank is installed in upper die base center department, and embedded have a portable beater that has the push rod, be equipped with upper padding plate and punch plate towards the round hole terrace die to in the embedding push pedal, the punch -die is fixed through protruding matrix plate and punch plate, die, bottom plate and lower bolster pass through the bolt fastening on the die holder. Lower punch -die passes through the bottom plate and the lower bolster is fixed to pass the blank holder centre bore. The utility model discloses only need one set of mould can realize blanking, bending and the multi -working -procedure that punches a hole, can increase substantially production efficiency, reach h