Multifunctional die loose piece grinding-in device

The utility model discloses a multifunctional die loose piece lapping device which comprises a mounting frame, a motor is fixedly connected to the center of the top end of the mounting frame, a threaded rod is fixedly connected to the driving end of the motor, a base plate is connected to the top end of the threaded rod in a threaded mode, and a plurality of limiting mechanisms are fixedly connected to the bottom of the base plate. The bottoms of the multiple limiting mechanisms jointly penetrate through the mounting frame and are fixedly connected with a mounting plate at the same time, clamping plates are connected to the two sides of the bottom of the mounting plate through hinges correspondingly, multiple clamping rods are fixedly connected to the bottom of the inner wall of the mounting frame, and molds are arranged in the multiple clamping rods and the clamping plates correspondingly. The arrangement of the limiting mechanism facilitates better limiting of the mounting plate, better injection molding op