Saddle-shaped cropping device for jean fabric

The utility model discloses a saddle-shaped cropping device for jean fabric. The saddle-shaped cropping device comprises a support, a swing mechanism and a saddle-shaped cushion supporting plate. The support comprises stand columns and cross beams. The swing mechanism comprises a swing arm and a driving device used for driving the swing arm to perform swing motion, the driving device is arranged on the cross beam, a fixed guide roller is arranged on the swing arm, and a vertical guide roller is further arranged at the end part of the swing arm; the saddle-shaped cushion supporting plate comprises a saddle-shaped cropping table and a bottom frame used for supporting the saddle-shaped cropping table. The bottom frame is further provided with two blocking rollers in the weft yarn direction of the jean fabric. According to the saddle-shaped cropping device disclosed by the utility model, the vertical guide roller is arranged to ensure that the jean fabric is always in a vertical state in the cropping process, and