Punching device for security door production

The utility model relates to a punching device for security door production, which comprises a punching table, a drill bit is fixedly arranged at the output end of a motor, limiting plates are arranged on two sides of the punching table, a security door is arranged between the limiting plates, a first pressure spring is fixedly arranged between a connecting rod and a supporting plate, and baffles are symmetrically arranged on opposite sides of L-shaped folded plates. A pressing assembly is arranged at the bottom of the supporting plate, a recycling box is arranged below the chip removal through groove, a weight sensor is arranged at the bottom of the recycling box, a PLC control device is arranged on one side of the stamping table, and a whistling device is arranged at the top of the hanging plate. The stability during punching is improved; flying chips can be shielded through the L-shaped folded plates, so that the flying chips fall into the space between the baffles, it is effectively guaranteed that the fl