Efficient grinding device

The utility model relates to an efficient grinding device which comprises a grinding machine, the outside of the grinding machine is fixedly connected with a rolling mechanism, and the outside of the grinding machine is fixedly connected with a cleaning mechanism. A first motor is fixedly connected to the outer portion of a first grinding box, the first motor can be started to drive a first rotating rod to rotate, a second grinding roller to rotate and a main gear to rotate, a toothed belt is connected to the outer portion of the main gear in an engaged mode, the toothed belt can move to drive an auxiliary gear to rotate, and a second rotating rod can rotate; a first grinding roller is fixedly connected to the exterior of a second rotating rod, so that the first grinding roller can rotate, cement is subjected to rolling grinding pretreatment, cement grinding processing can be more efficient, a second motor is fixedly connected to the exterior of a second grinding box, and a rotating shaft can be driven to rot