Cutting die for punching equipment for machining flat plate multifunctional composite film

The utility model discloses a cutting die for punching equipment for machining a multifunctional flat composite film, and particularly relates to the technical field of cutting dies, the cutting die comprises an upper die, a plurality of buffer grooves are formed in the bottom end of the upper die, and buffer stabilizing mechanisms are arranged in the buffer grooves; the buffering and stabilizing mechanism comprises an extrusion spring, a connecting block is arranged at the bottom end of the extrusion spring, and stabilizing rods are arranged on the two sides of the connecting block. According to the utility model, the buffer stabilizing mechanism is arranged, and then the stabilizing ring always moves upwards on the sliding rod, so that the connecting block can be compressed vertically upwards, finally, the connecting block stably compresses and extrudes the spring upwards, and vertical and upward extrusion is kept; therefore, the upper die and the lower die are not prone to causing huge shaking in the buffe