Automatic sand blasting device for MIM metal forming

The utility model discloses an automatic sand blasting device for MIM metal forming, which comprises a working box and a box door hinged on the working box, a transparent observation window is arranged on the box door, rotating shafts are rotatably mounted on two sides of the working box, a first gear motor is fixedly mounted on one side of the working box, and a second gear motor is fixedly mounted on the other side of the working box. The output end of each first gear motor is fixedly connected with one end of a rotating shaft on the same side, a linkage assembly is arranged between the two rotating shafts, the two rotating shafts are in transmission connection through the linkage assembly, the ends, close to each other, of the two rotating shafts extend into the working box and are fixedly provided with mounting discs, and first electric push rods are fixedly mounted on the mounting discs; a connecting plate is fixedly mounted at the output end of the first electric push rod; according to the sand blasting