This machine is suitable for the process of opening and cleaning cotton. It can be used for the suction and transportation of various grades of raw cotton, cotton type chemical fiber or medium and long fiber through the fan, which can be delivered to the carding machine, bullet cleaning machine or other occasions where automatic cotton distribution is required, and the dust and short fiber in the raw materials can be eliminated. This function is used alone.

The air pressure cotton box absorbs the technical advantages of the Swiss German cotton box. It is the connection device between the carding and the cleaning. Its function is to feed the evenly opened and mixed fibers into the carding machine, to ensure the continuous and even cotton supply of the carding machine, and to realize the continuous process of the carding and carding.