Circuit board assembly edge waste punching machine

The utility model discloses a circuit board assembly edge waste punching machine which comprises a punching table, a cutting groove is formed in the top of the punching table, four installation supporting rods are fixedly connected to the top of the punching table, an installation plate is fixedly connected among the four installation supporting rods, an installation push plate is jointly arranged on the outer side walls of the four installation supporting rods in a sleeved mode, and the installation push plate is fixedly connected to the top of the punching table. Four symmetrical fixed hollow transverse plates are fixedly connected to the bottom of the mounting push plate, and fixed clamping grooves are formed in the surfaces of the fixed hollow transverse plates. The fixed hollow transverse plate, the fixed extension plate, the fixed cutting knife, the positioning insertion strip, the positioning pull block and the positioning spring can be matched through the positioning assembly, so that the positioning