Tray cleaning device

The invention provides a tray cleaning device. The tray cleaning device comprises a track, an overturning assembly, a first transfer trolley, a flushing assembly and a second transfer trolley. The first transfer trolley is used for transferring a to-be-cleaned tray to the overturning assembly, the flushing assembly is used for flushing and cleaning the tray, and the second transfer trolley is used for transferring the cleaned tray to other positions to wait for re-feeding. The overturning assembly comprises an overturning frame and a clamping mechanism and can clamp and fix the tray and drive the tray to rotate, so that all positions of the tray can be washed and cleaned. By arranging the overturning assembly, the tray can be driven to rotate more easily, so that the flushing assembly comprehensively cleans all angles of the tray. After cleaning is completed, the upper surface of the tray is made to face downwards through the overturning assembly so that water accumulated in the mounting hole can flow out, th