Impurity screening machine for rice processing

The utility model discloses an impurity screening machine for rice processing. The impurity screening machine comprises a bottom plate and a material carrying assembly. A vibration assembly is arranged on the bottom surface of the bottom plate, and a turnover assembly is arranged on the bottom plate; the material carrying assembly comprises frame plates, rotating shafts, a carrying frame, a sieve plate, a first electric push rod and a top seat, the frame plates are symmetrically arranged at the two ends of the surface of the bottom plate, the rotating shafts are symmetrically and rotationally connected to the tops of the frame plates on the two sides, the middles of the two ends of the carrying frame are fixedly connected with the opposite ends of the rotating shafts on the two sides correspondingly, and the sieve plate is arranged at the bottom of the inner side of the carrying frame; the first electric push rods are symmetrically arranged at the tops of the frame plates on the two sides, the top base is arr