Chemical raw material grinding device

The utility model discloses a chemical raw material grinding device which comprises a supporting frame, a grinding cylinder, a grinding block and a grinding disc, the grinding cylinder is fixedly installed on the supporting frame, the grinding disc is fixedly installed in the grinding cylinder, meshes are formed in the surface of the grinding disc, and a connecting shaft which is rotatably installed with the supporting frame and penetrates through the center of the grinding disc is arranged in the grinding cylinder. The bottom of the connecting shaft is connected with a servo motor mounted on the supporting frame, the section, arranged above the grinding disc, of the connecting shaft is sleeved with a mounting frame, a plurality of grinding blocks are mounted on the mounting frame, and the feeding conveyor is integrally and obliquely arranged on one side of the supporting frame and used for lifting materials into the grinding cylinder; by means of the obliquely-arranged feeding conveyor, materials at the low