Micropore sieving mechanism capable of removing impurities

The utility model relates to the technical field of microecological preparation production, in particular to a micropore sieving mechanism capable of removing impurities, which comprises a working plate and a moving frame which is arranged above the working plate, a rectangular groove is arranged on the right side surface of the moving frame close to the bottom end of the moving frame, and a sieve fixed with the moving frame through a plurality of screws is arranged in the moving frame close to the bottom end of the moving frame. Guide plates are fixed to the positions, close to the front end and the rear end, of the top face of the working plate correspondingly, guide grooves are formed in the opposite faces of the two guide plates correspondingly, and the cleaning mechanism is arranged on the outer wall of the left side of the moving frame and used for cleaning impurities on the screen. The movable frame and the screen can be moved by arranging the adjusting mechanism, so that the screening speed of the scr