Graphene production extrusion equipment with excess material retention prevention function

The invention discloses graphene production extrusion equipment with an excess material retention prevention function in the technical field of graphene, and the graphene production extrusion equipment comprises extrusion equipment which is composed of an extruder body, a stirring and feeding mechanism, an extrusion tank and a discharge pipe; the anti-retention assembly is composed of a variable pitch component and two sets of sealing cleaning plates, the extrusion tank is composed of an upper tank body and a lower tank body, and a spiral extrusion mechanism is rotationally connected between the interior of the upper tank body and the interior of the lower tank body; and the feeding assembly is arranged in the discharging pipe in an interactive mode, and a linkage assembly is arranged between the feeding assembly and the distance changing component. And the graphene raw materials and the graphene particles retained on the inner wall of the stirring tank and the lower portion of the interior of the discharging