Self-cleaning discharger

The utility model relates to the technical field of unloaders, in particular to a self-cleaning type unloader which comprises an unloading box and an impeller, a motor is fixedly arranged on one side of the unloading box, a steering spraying barrel is connected to the output end of the motor, spraying holes are evenly formed in the steering spraying barrel, a rotating plate is rotationally installed on one side of the unloading box through a bearing, and the impeller is arranged on the rotating plate. A water pump is fixedly installed on one side of the rotating plate, and the output end of the water pump is connected with a conveying pipe. The spraying holes, the water pump and the conveying pipe are arranged, the output end of the motor drives the steering spraying barrel to rotate, meanwhile, the conveying pipe and the water pump are driven to rotate, the water pump pumps out clear water in the water tank, then the clear water is conveyed into the steering spraying barrel through the conveying pipe, and th