A step-by-step multi-hole blanking die and method

Abstract

The application discloses a step-by-step multi-hole blanking die and method, which comprises an upper die seat and a lower die seat, a die assembly is arranged on the top of the lower die seat, a guide assembly is arranged between the upper die seat and the lower die seat, two punch assemblies are arranged on the bottom of the upper die seat, and the two punch assemblies are arranged in a transverse direction and are spaced apart, when the moving pad of one punch assembly is located on the fixed pad, the fixed pad of the other punch assembly is located in the gap between the corresponding two moving pads. The beneficial effects of the application are as follows: the position of the moving pad is controlled by the air cylinder, when the moving pad is attached to the fixed pad, the fixed plate is stressed, the punch is extended to participate in blanking, when the fixed pad falls into the cavity of the moving pad, the fixed plate is not stressed, the punch is retracted and does not participate in blanking, the structure is simple and reliable, the complex cam or connecting rod mechanism is avoided, one positioning is realized, two-step blanking is realized, and the problems of secondary positioning error and too large blanking burrs are avoided.

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