On June 5, 2025, entrusted by the China National Textile and Apparel Council (CNTAC), the China Textile Machinery Association organized a scientific and technological achievement appraisal meeting in Changzhou, Jiangsu Province, for two projects completed by Zorrin (Changzhou) Textile Machinery Co., Ltd. The projects were "Autopluck 6 Gantry Cotton Picker" (Project No.: 2024079) and "Autocard SC 8 Carding Machine" (Project No.: 2024078), both of which were CNTAC's science and technology guiding projects.
The experts of the appraisal committee listened to the research work and technical reports, user reports, novelty search reports, etc. of the two project completion units, reviewed the relevant materials, and inspected the production sites of the two projects. The appraisal committee believes that the two projects have fully completed the requirements of the task book. The overall technology of the two products, "Autopluck 6 gantry picker" and "Autocard SC 8 carding machine", has reached the international advanced level. Among them, the "Autocard SC 8 carding machine" is at the international leading level in terms of effective carding area. The committee agrees to pass the scientific and technological achievement appraisal.
The Autopluck 6 gantry-type cotton picker developed for this project has the characteristics of a large cotton-picking working area, high picking yield, and convenient operation and maintenance. The main innovations are as follows: (1) The designed gripper arm width reaches 3500mm, and the diameter of the double grippers is 300mm. It can pick 8 horizontal row cotton bales, enhancing the fiber mixing effect and achieving a picking yield of up to 3000kg/h; (2) To achieve precise picking, the gripper arm lifting mechanism consists of four sets of screws, screw nuts, and lifting guide wheels. The four sets of screws are synchronized for transmission, ensuring stable operation of the gripper lifting, lowering, and cotton-picking movement; (3) The gripper arm adopts an out-cotton design in the middle, and the air duct adopts an Ω-shaped covering belt structure design. The covering belt moves synchronously with the trolley, and the negative pressure airflow of the fan efficiently absorbs and transfers the fibers, adapting to longer air ducts and higher production requirements.
The project developed the Autocard SC 8 carding machine, which features high production efficiency. The main innovations are as follows: (1) The diameter of the cylinder was increased to 1460mm, and the number of movable covers was increased to 112/42 pieces, with 12 pieces in front and 16 pieces at the back. This resulted in a main area of 4.8 square meters for the cylinder, thereby increasing the production capacity and the quality of the sliver; (2) Temperature detection protection devices were set in the mainarea of the cylinder, along with online detection and adjustment devices for the distance between the movable covers. The metal alarm of the movable covers was improved, enhancing the efficiency and ensuring the smooth operation of the entire machine; (3) An online detection and automatic adjustment device for the amount of debris in the first suction port of the hook roller was set. Through an optical sensor for detecting the amount of cotton fibers and the ratio of cotton to debris online, through intelligent calculation, the position of the dust removal knife was automatically adjusted online to ensure the stability of the shedding and debris removal.