Grading device for rice processing

The utility model discloses a grading device for rice processing, which belongs to the technical field of rice processing, and comprises a square grading box, a processing box is embedded in the side surface of the grading box, and a fan for assisting in processing rice dust is embedded in one end of the processing box, which is positioned on the outer side of the grading box; a dust screen used for preventing dust from entering is installed on the side face of the fan, two through type conveying openings are formed in the side face, located on the inner side of the grading box, of the treatment box, two buffer plates are obliquely installed on the vertical inner wall, located at the top end of the treatment box, of the grading box, and one end of the treatment box communicates with a dust removal box installed on the side face of the grading box. A filter screen is embedded in the side, away from the grading box, of the dust removal box, and a collecting box used for collecting dust is installed at the botto