Dinner plate collecting device used in canteen

The utility model discloses a dinner plate collecting device used in a canteen and belongs to the technical field of dinner plate collection. The device comprises a driving roller, a driven roller, a motor, a rotary electromagnet and a conveyer belt, wherein the conveyer belt is wound around the driving roller and the driven roller, an output shaft of the motor drives the driving roller to rotate, a supporting plate, a vertical plate and a netty plate body are arranged on one side of the driven roller, the netty plate body is arranged above the supporting plate parallel to the supporting plate, the lower end of the vertical plate is perpendicularly connected with the supporting plate, and the upper end of the vertical plate is perpendicularly connected with the netty plate body; the rotary electromagnet drives the supporting plate to rotate, a waste bin is arranged below the rotary electromagnet, a photoelectric switch is arranged on the upper surface of the supporting plate, a magnet is arranged on the lower