▎ 摘　　要

NOVELTY - The utility model claims a multi-level grinding dispersion machine for graphene preparation, comprising a working box; a collecting box and a grinding disc; the upper end part of the working box is provided with a feeding box; and the middle position of the bottom end of the feeding material box is penetrated with a shunt pipe; one side of the inner part of the feeding material box fixedly connected with with a collecting box; and the middle position of the top end of the collecting box is fixedly connected with through the feeding hopper of the working box; the upper end sides of the inner part of the working box are fixedly connected with with a connecting rod, and the connecting rod is provided with a positive and negative motor; the output end of the positive and negative motor is rotatably connected with a crushing plate through a rotating shaft, and the working box around the crushing plate is provided with a first grinding table. The utility model drives the crushing plate to rotate by the positive and negative motor to crush and grind the raw material, at the same time, the grinding disc rotates together with the crushing disc, so that the raw material is further grinded between the grinding disc and the first grinding table, so as to finish multiple times of grinding through a power source, realizing fast production.