Die-cutting machine

The utility model discloses a die-cutting machine which comprises a workbench, guard plates are fixedly installed on the left side and the right side of the top of the workbench, a top plate is fixedly installed on the tops of the guard plates, a fourth connecting plate is fixedly installed on the back face of the top plate, and a motor is fixedly installed on the back face of the fourth connecting plate through an installation base. A screw rod is installed at the output end of the motor, the surface of the screw rod is in threaded connection with a second connecting plate through a screw groove, second sliding blocks are fixedly installed on the periphery of the top of the second connecting plate through supports, and a second sliding groove is formed in the bottom of the top plate. Thedie-cutting machine is provided with the workbench, the electric telescopic rod, the spring, the first connecting plate, the first sliding groove, the second sliding groove, the second connecting plate, the screw groove, the