▎ 摘　　要

NOVELTY - The utility model claims a ball mill for graphene carbon nano-tube composite conductive paste, comprising a base, a crushing cylinder, a mounting frame and a speed reducing motor, the inner wall of the crushing cylinder is provided with a plurality of guide strips, one end of the crushing cylinder is provided with a containing seat, the containing seat is rotatably set in the first rotating seat, one side of the first rotating seat is provided with a mounting frame, the mounting frame is provided with a hydraulic cylinder, one end of the piston rod of the hydraulic cylinder passes through the first rotating seat and the crushing cylinder side wall and is connected with a connecting frame in the crushing cylinder inner cavity, one end centre of the connecting frame is provided with a rotating sleeve, the rotating sleeve is rotatably connected with the hydraulic cylinder piston rod through the bearing, the other end of the connecting frame is connected with a movable cover shell, the side wall of the movable shell is jointed with the inner wall of the crushing cylinder, and the side wall of the movable shell is provided with a plurality of guide grooves, the guide groove is matched with the guide rib, the hydraulic cylinder pushes the movable shell to translate in the crushing cylinder through the connecting frame, so as to change the volume size of the inner cavity of the crushing cylinder, the satisfy of crushing and grinding a small quantity of material.