Automobile brake pad stamping die with limiting structure

The utility model discloses an automobile brake pad stamping die with a limiting structure, which comprises a base, a positioning hole is arranged at the top of the base, a stamping die body is arranged at the top of the base, a case is fixedly connected to the bottom of the stamping die body, a through hole is arranged on the right side of the case, and the limiting structure is arranged in the through hole. And an inner cavity of the through hole is movably connected with a worm through a bearing seat. Through cooperation of the positioning holes, the worm, the worm gear, the rotating shaft, the rotating disc, the driving wheel, the positioning cylinders, the sliding rods, the sliding sleeves, the driving blocks, the clamping blocks, the clamping grooves, the heat dissipation channels and the heat dissipation fans, the positioning cylinders are inserted into the corresponding positioning holes, the worm is rotated, the worm drives the rotating disc to rotate through the worm gear and the rotating shaft, and