Punching machine for machining automobile parts

The utility model relates to a punching machine for processing automobile parts, which comprises a box body, the bottom of the box body is fixedly connected with four supporting blocks, a limiting mechanism is arranged on the box body, a limiting assembly is arranged in the box body, the limiting mechanism comprises an air cylinder which is fixedly arranged on the top of the box body, and the air cylinder is fixedly connected with the top of the box body. An output shaft of the air cylinder is fixedly connected with a fixed block, the bottom of the fixed block is fixedly connected with a stamping die body, the outer side of the fixed block is fixedly connected with a movable plate, and the left side and the right side of the movable plate are fixedly connected with first sliding blocks. According to the punching machine for machining the automobile parts, the limiting mechanism is arranged, so that the punching machine has a limiting function, the effect of limiting the punching die body is achieved, deviatio