Waste discharging device of cotton blending machine

The utility model discloses a waste discharging device of a cotton blending machine, which relates to the technical field of cotton blending machines and comprises a waste separating tank, a sealing cover is arranged on the outer surface of one end of the waste separating tank, a main fan is arranged on the outer surface of one end of the sealing cover, and a pumping fan and a controller are arranged on the outer wall of the waste separating tank. According to the waste discharging device of the cotton blender machine, the arranged extraction fans can extract separated raw material cotton during use, the impurity removal effect of the raw material cotton can be improved, waste discharging is facilitated, the waste discharging device is simple in structure and convenient to operate, the cost is reduced, and the waste discharging device is suitable for popularization and application. When the separation net cage is used, raw material cotton can be conveniently stored, then the middle shaft rod can be driven by