A punch structure for forming an inner recess

Abstract

The utility model relates to the technical field of metal forging and pressing, in particular to a stamping structure of forming inside recess, including upper die assembly and lower die assembly, upper die assembly is equipped with upper die plate and upper die wedge, one end of upper die wedge is fixedly connected in upper die plate, the other end is equipped with initiative inclined plane, lower die assembly is equipped with lower die plate and the lower die slider of sliding connection in lower die plate, the lower die slider is equipped with operation part and drive part, and the position corresponding to initiative inclined plane of drive part is equipped with passive inclined plane, makes the vertical motion of upper die wedge, drives the lower die slider and produces horizontal motion, thereby makes operation part to the inside wall of blank and carries out the stamping, forms inside recess, above all, simplifies the stamping die structure, reduces production cost, promotes the convenience of operation and the versatility of mould, provides an innovative and efficient solution for metal forging and pressing industry in the field of inside recess forming, has remarkable practical value and broad application prospect.

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