Crushing device for white corundum refining production

The utility model relates to the technical field of white corundum crushing, in particular to a crushing device for white corundum refining production, which comprises a bin body, a roll shaft arranged on the inner side of the bin body, a screw rod arranged above the roll shaft, a push plate rotationally arranged on the inner wall of the bin body, a motor arranged at one end of the screw rod and a motor arranged at the other end of the screw rod, the motor is installed on the outer wall of the bin body, the lead screw and the roller shaft are connected through a connecting part, and the motor is connected with the connecting part. The roll shaft and the lead screw are synchronously driven to run through the connecting component, the push plate dispersedly pushes the white corundum materials above the roll shaft, a large amount of white corundum materials are dispersed on the roll shaft to be extruded and smashed, and the white corundum materials are not prone to forming blocks after being smashed, so that sub