▎ 摘　　要

NOVELTY - The utility model claims a sieving device for producing graphene powder, relating to the technical field of graphene powder production, aiming at solving the problem that the sieving efficiency of the sieving device is low and the material is not convenient to receive. one side of the machine frame is provided with a case; the upper end of the machine frame is provided with a supporting base upper end the case is provided with a feeding hopper; the upper end base is provided with a sieving cylinder; and the sieving cylinder is rotatably connected with the supporting base; and a conveying mechanism is set between the sieving cylinder and the machine box; one side of the screening cylinder is provided with a primary screening net; the other side of the screening cylinder is provided with a three-level screening net; the middle of the screening cylinder is provided with a secondary screening net; and a primary screening net; the second-level screening net and the third-level screening net are fixedly connected with the screening cylinder; the inner part of the case is provided with a first motor; one end of the first motor is provided with a first transmission gear; two ends of the screening cylinder are provided with a connecting shaft.