Stamping device for machining

The invention discloses a stamping device for machining. The stamping device for machining comprises a base and multiple supporting columns, wherein the multiple supporting columns are fixedly arranged on the edge of the upper side wall of the base; the top ends of the multiple sets of supporting columns are jointly and fixedly connected with a top plate; a hydraulic telescopic rod is fixedly connected to the center of the lower side wall of the top plate; the lower end of the hydraulic telescopic rod is fixedly connected with a punch fixing seat; a corresponding punching head is arranged in the punch fixing seat; fixing lugs are symmetrically arranged on the two sides of the punch fixing seat; limiting pipes corresponding to the fixing lugs are symmetrically arranged at the lower end of the top plate, and downwards penetrate through the fixing lugs; the fixing lugs are vertically and slidably connected with the limiting pipes; a fixing disc is arranged above the base; and a die holder is placed on the upper