Rotating disc type optical screening machine

The utility model discloses a rotating disc type optical screening machine, which belongs to the technical field of optical screening machines and comprises an optical screening box, a hollow column arranged on the inner wall of the bottom end of the optical screening box and two first partition plates arranged in the hollow column. A connecting plate is welded between the two first partition plates, a rotating motor is installed at the top end of the connecting plate, an inclined hopper is installed at the output end of the rotating motor, a plurality of discharging grooves for discharging defective screws are formed in the periphery of the inclined hopper, a fixing ring is welded to the top end of the inclined hopper, and the periphery of the fixing ring is sleeved with a rotating disc. A limiting ring is welded to the top end of the hollow column, a baffle is welded to the inner circumference of the limiting ring, an embedding plate is welded to the peripheral side of the hollow column, and a vertical plat