▎ 摘　　要

NOVELTY - The utility model claims a ball milling device for graphene production, comprising a bottom plate and a ball milling box; the outer side of the ball milling box fixedly connected with with a gear ring; the lower part of the gear ring is provided with a locating ring clamped in the ball milling box and rotatably connected with the ball milling box; the left and right sides of the ball milling box are symmetrically provided with a fixing table; the fixing table is fixedly connected with the bottom plate through a connecting rod; the locating ring is fixedly connected with one side of the fixing table close to the ball milling box; one end of the gear ring far away from the ball milling box is provided with a gear ring engaged with the gear ring; the gear ring is driven by a driving motor set on the fixing table; the ball milling box is provided with a cavity; the cavity is provided with three sieve plates; the outer ring of the sieve plate fixedly connected with sealing sleeve; the outer side of the sealing sleeve fixedly connected with with eight symmetrically distributed rotating sliding blocks; the rotating sliding block is rotatably connected with the ball milling box. The utility model is capable of ball milling more fully by grinding ball with different sizes.