Grinding powder fine screening device for silicon carbide production

The utility model discloses a grinding powder fine screening device for silicon carbide production, which belongs to the technical field of silicon carbide grinding powder fine screening devices, and is characterized in that the grinding powder fine screening device comprises a first screening box, powder can be screened for the first time through an inner cylinder, and particularly, a first motor can be started to drive the inner cylinder to rotate; the inner barrel can throw out fine powder in the inner barrel, large particles flow in the inner barrel, the sieve plate can slide left and right in the sieve plate through the sliding groove, so that secondary screening of the powder is achieved, the fine screening effect is achieved, the material collecting disc can be supported and fixed through the fixing plate, and the screening efficiency is improved. According to the silicon carbide grinding powder screening device, fine powder can be collected during screening of the screening plate through the material