Integrated powder screening device

The utility model relates to the technical field of powder screening, and discloses an integrated powder screening device. The integrated powder screening device comprises a supporting seat, a screening box, a rotating motor and a supporting frame, and the supporting frame is fixedly connected to the upper surface of the supporting seat; the screening box is fixedly connected between the supporting frames; by means of the two filter plates, when powder falls onto the filter plates, coarse powder can be blocked and filtered through the first filter plate, qualified powder can be blocked through the second filter plate, fine powder can be directly discharged through a discharging plate, screening of the three kinds of powder is achieved, a stirring rod can be driven to rotate through an arranged rotating shaft, and the stirring effect is improved. The powder in the screening box is turned over and screened, the situation that the screening effect is poor due to powder accumulation is prevented, meanwhile, a fir