Cotton gin with adjusting device arranged in upper impurity discharging area

The utility model discloses an cotton gin with an adjusting device arranged in an upper impurity removal area, which comprises ribs, a saw blade roller and an impurity removal cutter, a control panel is arranged between the ribs and the impurity removal cutter, and a wedge-shaped gap is formed between the control panel and the saw blade roller along the rotation direction of the saw blade roller during working; by the adoption of the technical scheme, the cotton gin with the adjusting device arranged in the upper impurity discharging area can be provided, the quality of impurities in ginned cotton discharged from the upper impurity discharging area of the cotton gin can be adjusted, and meanwhile the content of white cotton in the impurities discharged from the upper impurity discharging area can be controlled according to different seed cotton grades; and the control panel and the upper impurity removal cutter are adjusted and matched with each other, so that the impurity removal of the cotton gin is more re