Foreign matter screening device for rice processing

The invention relates to a screening device, in particular to a foreign matter screening device for rice processing. According to the foreign matter screening device for rice processing, fine particles can be screened. A foreign matter screening device for rice processing comprises a main frame, first fixing columns, first guide rods, a first screening frame, a screening mechanism and a blocking mechanism, the first fixing columns are connected to the left side and the right side of the lower side of the front wall of the main frame, and the first guide rods are connected between the rear portions of the first fixing columns; a first screening frame used for screening unhulled rice mixed with foreign matter is slidably connected to the first guide rod, a screening mechanism used for screening the unhulled rice mixed with the foreign matter is arranged in the middle of the main frame, and a blocking mechanism used for blocking materials is arranged on the rear portion of the first screening frame. According to