Rice and husked rice separating device

The utility model discloses a husked rice separating device which comprises a shell, a feeding port is formed in the top of the shell, and a discharging port is formed in the bottom of the shell. A sieve plate sliding in the vertical direction is arranged in the shell, an air inlet and an air outlet are symmetrically formed in the inner side wall, located above the sieve plate, of the shell, the air inlet is connected with an air blowing mechanism, and the air outlet is connected with a negative pressure dust suction mechanism; a first mounting opening and a second mounting opening are symmetrically formed in the inner side wall of the shell below the sieve plate; a first rotating shaft is rotatably arranged in the first mounting opening and the second mounting opening, the first rotating shaft is connected with a rotating driving mechanism, at least two cams sleeve the first rotating shaft positioned in the shell, at least two first rollers are rotatably arranged at the bottom of the sieve plate, and the two