Novel products, for the removal of the material to the artificial feeding and cleaning. Vibrating motor under screen. By choosing reasonable screen mesh and exciting force, and the material can shun speed through the screen, miscellaneous artificial periodic cleaning machine. Feeding door on both sides with a gas spring, sealed reliable, powder dust does not leak. The combination of the general and low noise pulse dust collector is used, which makes the feeding port environment more environmentally friendly and humanized.