Multi-cavity workpiece grinding equipment

The utility model discloses multi-cavity workpiece grinding equipment which comprises a grinding box, a grinding material storage cylinder is arranged in the grinding box, the bottom of the grinding material storage cylinder is connected with a connecting pipe, the bottom of the connecting pipe is connected with a second material storage barrel, hydraulic cylinders are installed on the four side faces of the grinding box respectively, and the hydraulic cylinders are connected with a first material storage barrel and a second material storage barrel respectively. The grinding equipment comprises a hydraulic cylinder, a sealing top plate is installed at the top of the hydraulic cylinder, a first storage barrel is installed at the top of the sealing top plate, a connecting rod is installed in the middle of the bottom end of the sealing top plate, and electromagnetic telescopic rods are installed on the four side faces of the connecting rod. The multi-cavity workpiece grinding device is simple in structure, does