Cleaning device for metal component

The utility model belongs to the technical field of metal component cleaning, and discloses a cleaning device for metal components, which comprises a case, a water inlet is fixedly mounted at the upper end of the case, a water storage tank is fixedly mounted at the upper end of the inner wall of the case, and a connecting pipe is fixedly mounted at the upper end of the water storage tank. A water spraying device is fixedly mounted at the upper end of the connecting pipe, a fixing plate is fixedly mounted on the inner wall of the case, a supporting rod is fixedly mounted at the upper end of the fixing plate, a rotating wheel is rotatably connected to the upper end of the supporting rod, a conveying belt is in transmission connection to the outer end of the rotating wheel, and a fixing block is fixedly mounted on the surface of the conveying belt; one end of the metal component extrudes one fixing rod, the fixing spring in the metal component is compressed, when the other end of the metal component makes contac