Automatic material returning device for stamping

The utility model discloses a stamping automatic material returning device which comprises a stamping table, an installation frame and a lower die base are fixedly installed on the upper side of the stamping table, a hydraulic cylinder is fixedly installed on the upper side of the installation frame, an upper die base matched with the lower die base is fixedly installed at the output end of the hydraulic cylinder, and an automatic material returning mechanism is arranged in the stamping table. And the automatic material returning mechanism comprises a mounting groove formed in the punching table, a mounting plate is fixedly mounted in the mounting groove, a servo motor is fixedly mounted on the lower side of the mounting plate, and the output end of the servo motor is fixedly connected with a threaded rod. According to the automatic material returning and collecting device, the material returning rod can be driven to move by controlling the servo motor, after materials are punched, the punched materials can b