Material returning device for punching machine

The material returning device for the punching machine comprises a base, a sliding table is fixedly connected to one side of the upper surface of the base, a sliding groove is formed in the outer surface of the sliding table, and the sliding table is connected with a sliding plate in a sliding mode; a collecting box is arranged on the upper surface of the sliding plate, and a fixing block is fixedly connected to one side of the outer surface of the base. According to the material returning device for the punching machine, through the arrangement of the sliding table, the sliding groove, the sliding plate, the threaded rod and the rotating disc, in the specific use process, the rotating disc is rotated to drive the threaded rod to rotate, due to the fact that the threaded rod is rotationally connected with the fixing block, when the rotating disc is rotated, the threaded rod rotates along with the rotating disc, and the sliding plate can be pushed to slide on the sliding table after the threaded rod rotates; a