Feed particle vibration classifying screen

The utility model discloses a feed particle vibration classifying screen which comprises a base and a screen box, a supporting spring is installed in the base, the top end of the supporting spring is connected with the screen box, a vibration motor is installed at the bottom end of the screen box, a fixed screen plate is installed in the screen box, a sliding screen plate is arranged in the fixed screen plate, and the sliding screen plate is connected with the base. One end of the sliding screen plate is connected with a gear, the gear is installed on one side of the interior of the screen box through a support, one end of the gear is connected with a rotating disc, a turning cover is arranged at the top end of the screen box, an upper discharging port is formed in one side of the screen box, and a lower discharging port is formed below the upper discharging port. According to the feed particle vibration classifying screen, when feed is screened, the sliding screen plate slides in the fixed screen plate, so t