Fine grinding machine

The utility model belongs to the technical field of grinding machines, and relates to a fine grinding machine which comprises a grinding box, a grinding box is arranged at the upper end of one side of the grinding box, two first motors are installed on one side of the front end of the grinding box, and the output ends of the two first motors penetrate through one side of the front end of the grinding box to be fixedly connected with a grinding cylinder. The grinding device has the beneficial effects that the grinding box and the grinding box are arranged, so that raw materials are ground after being ground, the grinding efficiency is higher, the grinding effect is better, ground powder enters the screening box, a scattering motor drives a scattering rod to rotate and stir to scatter the powder, the powder is prevented from being bonded together to affect screening, and through an inclined screen, the powder can be uniformly dispersed. And qualified ground powder passes through a screen, unqualified powder ent