Raw material crushing and sieving device for veterinary drug production

The raw material crushing and sieving device for veterinary drug production comprises a main body box and a crushing cylinder, mounting plates are symmetrically welded to the top face of an inner cavity of the main body box, a plurality of guide sliding sleeves are evenly and fixedly installed on the mounting plates, a plurality of guide sliding rods are symmetrically welded to the side walls of the two sides of the crushing cylinder, and the guide sliding sleeves are fixedly installed on the guide sliding rods. A fixed frame is welded to the top of an inner cavity of the smashing barrel, racks are symmetrically welded to the inner wall of the fixed frame, a servo motor is installed in the center of the top face of the main body box, the output end of the servo motor is connected with a rotating shaft, and a half gear is fixedly installed on the portion, located on the inner side wall of the fixed frame, of the rotating shaft; and the half gear is meshed with the rack. The device has the beneficial effects th