Cleaning machine for plastic barrel of cotton factory

The invention discloses a cleaning machine for a plastic barrel of a cotton factory. The cleaning machine comprises a rack which is provided with a sliding rail obliquely, and an oblique sliding seatis slidably arranged on the sliding rail through a sliding block; a driving shaft is rotatably arranged at the position, on one side of the lower end of the sliding rail, of the rack through a first bearing pedestal, and one end of the driving shaft extends out of the first bearing pedestal, and is connected with a motor shaft of a servo speed reduction motor; the servo speed reduction motor is fixedly arranged on the rack, and a driving sprocket is arranged on the driving shaft; a driven shaft is rotatably arranged at the position, on the other side of the lower end of the sliding rail, of the rack through a second bearing pedestal, and a driven sprocket is arranged on the driven shaft; the driven sprocket is connected with the driving sprocket through a chain, and the upper end of the chain is connected with the