Punching die

The utility model provides a punching die, includes mould, lower mould and driver, the control of said driver it is said that upward the mould down stroke is right the work piece of placing on the lower mould punches a hole, go up the mould include the cope match-plate pattern, towards needle fixed plate, guide pillar, towards the needle fixed plate set firmly in the below of cope match-plate pattern, the needle that dashes that stretches out perpendicularly wherein sets firmly downwards, the guide pillar vertical fixation in the below of cope match-plate pattern, and pass it is said towards the needle fixed plate, go up the mould also is provided with vibration buffer gear, said vibration buffer gear involving vibrations shakes, and the pressure equipment is put and transmission, punches a hole to the work piece and accomplishes lagging on the said upward mould, the vibration is shaken the pressure equipment and is put to shake downwards and press and pass through the transmission transmission is given said cope match-plate pattern with it is said towards the needle fixed plate, make said cope match-plate pattern with it shakes the work piece to fall to breaking away from to produce the perturbation towards the needle fixed plate drift towards the needle falls back said lower bolster. The utility model provides an automatically the drop punching die of work piece, extension towards the life of needle.