Screening device for potato starch processing

The invention discloses a screening device for potato starch processing, which comprises a support plate, a screening device and a bearing assembly, the screening device is arranged on the support plate, and the bearing assembly is arranged on the support plate and below the screening device; the screening device comprises a screening plate, a protection frame, a power driving part, a hanging frame and a hanging plate, extension strips are arranged on the two side walls of the protection frame and slidably arranged on the supporting plate, the rear side wall of the screening plate is rotationally hinged to the bottom wall of the protection frame, the bottom end of the hanging frame is rotationally arranged on the front side wall of the screening plate, and the hanging plate is arranged on the side wall of the protection frame. The hanging frame is hung on the hanging plate, a plug pin is arranged on the hanging frame in a sliding mode, the plug pin is inserted into the hanging plate, and the power driving par