Cotton opener

The utility model discloses a stable operation fiber opener which has no large quantity of dust during the cutting process. The utility model comprises a machine stand, a convey belt, a cotton baling positioning frame, a fiber opening device, and a power unit are arranged on the machine stand. The cotton baling positioning frame is located at the convey belt material outlet end. The fiber opening device comprises a cutter head cover arranged on the machine stand, the cutter head arranged in the cutter head cover, the cutter head is fixed on one end of the transmission shaft. The transmission shaft is flexibly arranged in the machine stand, the other end of the transmission shaft is connected with the power unit through transmission mechanism, and the cutting blade is fixed on the cutter head. The fiber opener can be used to cut the cotton fiber baling into the needed piece or cotton wool, and can effectively control the cotton fiber sizes and thickness after opening.