Ultrasonic-assisted laser underwater cleaning device

The utility model discloses an ultrasonic-assisted laser underwater cleaning device, which is characterized in that a cleaning processing module comprises a workpiece, a water tank and a flat-field focusing lens, the workpiece is placed underwater in the water tank, and the flat-field focusing lens is arranged above the water surface; the workbench module comprises a platform capable of moving in the X/Y direction, and the water tank is placed on the platform. The ultrasonic energy module comprises an ultrasonic transducer, and the ultrasonic transducer is attached to the water tank; a laser scanning module comprises a galvanometer and a polygonal scanning reflector, the polygonal scanning reflector is rotatably arranged above a flat field focusing lens, and the galvanometer is arranged corresponding to the polygonal scanning reflector; wherein the galvanometer reflects an incident laser beam to the polygonal scanning reflector, the polygonal scanning reflector reflects the incident laser beam to the flat fie