Steel springboard punching machine with limiting mechanism

The utility model relates to the technical field of punching machines, and discloses a steel springboard punching machine with a limiting mechanism, which comprises a base, the top of the base is provided with a drilling limiting assembly, the top of the base is provided with a clamping limiting assembly, the drilling limiting assembly comprises a fixed connection rack fixedly connected to the top of the base, and the clamping limiting assembly is arranged on the top of the base. A hydraulic rod is fixedly connected to the top of the rack, a connecting plate is fixedly connected to the bottom end of the hydraulic rod, an air cylinder is fixedly connected to the bottom of the connecting plate, limiting rods are fixedly connected to the left side and the right side of the air cylinder, and limiting blocks are fixedly connected to the opposite ends of the two limiting rods. Adjusting grooves are formed in the left inner side wall and the right inner side wall of the rack correspondingly, and three drill bit bodi