Rolling device facilitating discharging

The grinding device comprises a machine body, a feeding opening is formed in the top of the machine body, two sets of grinding wheel rotating shafts are installed in the feeding opening in a penetrating mode, grinding wheels are installed on the outer surfaces of the grinding wheel rotating shafts, a third motor is installed at the top of the machine body, and a second motor is installed at the bottom of the machine body. A threaded rod is installed at the bottom of the third motor, a fixing plate is installed on the outer side of the threaded rod, fixing rods are installed on one side of the fixing plate and located in front of and behind the threaded rod, and moving blocks are movably installed on the outer side of the threaded rod through threads. By installing the lifting plate and the push plate, materials enter the rolling groove body after being preliminarily crushed and sieved through the feeding port during use, the rolled materials fall into the collecting groove, the electric push rod is used for d