Mold frame with dustproof function

The utility model relates to the technical field of mold frames, and discloses a mold frame with a dustproof function, which comprises a cabinet body, a motor is fixedly connected to the outer wall of the cabinet body, a rotating shaft is fixedly connected to the output end of the motor, a rotating ring is fixedly connected to the outer wall of the rotating shaft, and a connecting shaft is rotatably connected to the outer wall of the rotating ring. The outer wall of the connecting shaft is fixedly connected with a placement frame, the interior of the placement frame is fixedly connected with a placement net plate, the outer wall of the placement frame is fixedly connected with a counterweight plate, the interior of the placement frame is fixedly connected with a U-shaped plate, and the interior of the U-shaped plate is rotatably connected with a bidirectional threaded rod. According to the mold frame, the first crank is rotated to drive the sliding block to slide on the outer wall of the two-way threaded rod,