In the operation of this product, the material will fall into the vibrating screen at a uniform speed through the inlet, using the vibrating motor as the vibration source, so that the material will be thrown up on the screen, while the vibrating screen will move forward in a straight line, some large debris will not pass the screen, light debris or dust, powder will be blown away by the blower, the required size of the material will fall into the bottom outlet and discharged at an even speed.