Screening device facilitating impurity removal

The utility model relates to the technical field of rice screening, and discloses a screening device convenient to remove impurities, which comprises a device body, a screening mechanism is arranged in the device body, the screening mechanism comprises a case fixedly mounted on the outer wall of one side of the device body, and a motor is fixedly mounted in the case. A first sieve plate is arranged to be matched with a second sieve plate to conduct secondary screening on rice, a motor is arranged and started to drive a rotating rod to rotate, the rotating rod rotates to drive a cam to rotate, the cam is arranged to be attached to the outer wall of the first sieve plate and the outer wall of the second sieve plate, and the cam rotates to beat the first sieve plate and the second sieve plate ceaselessly; and under the action of the elastic force of two first springs and two second springs, the first sieve plate and the second sieve plate are hit by the cam so as to continuously shake, so that the rice is better