▎ 摘　　要

NOVELTY - The utility model claims a raw material crushing device for preparing multifunctional graphene slurry, comprising a crushing box and a crushing box; the top part of the crushing box is provided with a feeding port; the inner cavity of the crushing box is orderly provided with a primary crushing roller group from up to down; a secondary crushing roller group and a screen; the left and right side walls of the crushing box are provided with a vibrator through the supporting plate; the left side wall of the crushing box is provided with a recycling box; the bottom of the crushing box is provided with a discharging port; the top right side of the crushing box is provided with a driving motor; the bottom power output end of the driving motor is provided with a rotating shaft; the bottom of the rotating shaft is fixedly provided with a frame body provided with an opening on the bottom surface; the inner cavity of the frame body is provided with an electric telescopic rod; the bottom of the electric telescopic rod is provided with a grinding column; the bottom of the inner cavity of the crushing box is provided with a grinding cavity. The utility model can carry out disposable crushing process to the graphite block; the structure is simple, the operation is convenient, the crushed graphite is easy to reach the requirement.