Ceramic sand blasting and grinding device

The utility model discloses a ceramic sand blasting and grinding device which comprises a base, a grinding box is installed on the top of the base, openings are formed in the two ends of the grinding box, and a conveying belt is arranged in the grinding box. By adopting the meshing plate and the moving table, after the moving table enters the interior of the polishing box under the movement of the conveying belt, a gear on the surface of a placing table arranged on the moving table is in meshed connection with a tooth groove formed in one side of the meshing plate, and the moving table moves forwards along with the conveying belt due to the fact that the meshing plate is fixed, so that the moving table can move forwards along with the conveying belt. And a second electric telescopic rod can continuously and circularly stretch out and draw back in the grinding process, a sand blasting frame is driven to ascend and descend back and forth within a certain height range, and therefore the workpiece to be ground on