Suspended ceiling shoot nail polishing machine

The utility model relates to the technical field of polishing devices, in particular to a suspended ceiling shoot nail polishing machine which comprises a polishing box, a screening box, a cleaning box, a main pipeline, a first stirring shaft and a pushing mechanism. A first filter plate is transversely arranged in the cleaning box, the first filter plate divides the cleaning box into a third cavity and a fourth cavity up and down, and the lower end of the feeding channel communicates with the third cavity; the main pipeline is transversely arranged in the third chamber, a plurality of spray pipes are arranged on the main pipeline, and the first end of the main pipeline is communicated with a water source; the first stirring shaft is vertically arranged in the third chamber and is driven by the first motor to rotate, and a stirring paddle is arranged at the lower end of the first stirring shaft; and a discharging opening communicated with the third cavity is formed in the front side of the cleaning box of the