Pretreatment equipment used before printing and dyeing of polyester-mixed cotton cloth

The utility model discloses pretreatment equipment used before printing and dyeing of polyester-mixed cotton cloth, and relates to the technical field of polyester-mixed cotton cloth, the pretreatment equipment comprises a treatment box, a base used for supporting the treatment box and an observation window embedded in the surface of the treatment box, the top end of the treatment box is provided with a feeding roller, and a receiving roller is arranged below the feeding roller; the receiving roller is movably arranged in the base; and a side plate is telescopically arranged in the treatment box, and a brush is mounted on the surface of the side plate. According to the polyester-mixed cotton cloth processing device, the feeding roller and the discharging roller are arranged at the upper end and the lower end of the processing box, so that polyester-mixed cotton cloth is vertically processed in the processing box, and impurities and side hair on the surface of the polyester-mixed cotton cloth can be convenient