Device for screening and separating broken rice husks and impurities

The invention discloses a device for screening and separating broken rice husks and impurities. The device comprises a shell body, wherein an upper cover is arranged at the upper end of the shell in riveted mode, a motor is connected to the middle part of the upper cover, a bracket is arranged at the lower end of the output end of the motor, and a metal ring is arranged at the lower end of the bracket. Limiting grooves are symmetrically formed in the two sides of the inner wall of the shell body through rotating bearings in a connected mode, limiting bulges are arranged on the two sides of thelower end of the metal ring, and a metal filter screen is welded to the inner wall of the metal ring. Clapboards are arranged at the position, below the metal filter screen, of the inner wall of theshell body, a connecting pipeline is arranged at the lower ends of the middle parts of the clapboards, a filter cavity is formed in the lower end of the connecting pipe, a impurity removal end cap isarranged at the right end o