Die cutting mechanism of die cutting machine

The utility model provides a die-cutting mechanism of a die-cutting machine, which belongs to the technical field of die-cutting machines, and comprises a workbench, a support frame arranged at the upper end of the workbench, a die-cutting mechanism arranged above the workbench, a cylinder arranged at the upper end of the support frame, and a fixed block fixedly connected with the bottom end of an output rod of the cylinder, a threaded groove is formed in the bottom end of the fixing block, a die-cutting tool is arranged on the bottom side of the fixing block, a threaded block is arranged at the upper end of the die-cutting tool, the threaded block is in threaded connection with the interior of the threaded groove, L-shaped plates are connected to the four corners of the upper end of the die-cutting tool through shaft rods, the L-shaped plates are matched with the fixing block, and damping rods are arranged on the left side and the right side of the upper end of the fixing block correspondingly. According to