▎ 摘　　要

NOVELTY - The utility model claims a graphene prepared by grinding device, comprising a grinding cylinder, a drive motor, said grinding cylinder is provided with a grinding chamber, and the upper end opening of the grinding chamber is provided with a sealing cover; the upper end of the sealing cover is provided with a driving motor, and the lower end of the driving motor driving shaft is connected with a driving rod, the side wall of the grinding cylinder is provided with a feeding pipe, the grinding part is provided with a first grinding structure and second grinding structure, and the second abrasive structure is composed of grinding column, a rotary column; a sealing ring, a vibrating rod, a filter frame, a mounting sheet and the filtering net, the grinding column is composed of a column, grinding through hole, groove and the mounting groove. The utility model claims a graphene preparing grinding column and rotative column grinding device, for grinding structure is matched with each other, capable of grinding the graphene to, set multi grinding structure, improved to a certain extent filter screen and a vibrating rod graphene grinding quality and grinding structure set, effectively prevent the screen blockage.