During the "13th Five-Year Plan" period, the field of spinning machinery will further increase research and development efforts, transform traditional cotton spinning equipment, promote new products such as thick and thin joints, flexible and fine-tuned joints, and develop a new generation of cotton spinning complete sets of equipment. Let's take a look at which advanced spinning technology and equipment will be developed and promoted.
　　1 Intelligent, continuous spinning key technology research and complete equipment
At present, the domestic spinning equipment has achieved partial continuity, such as blow-carding, thick and fine winding, automatic lap transportation, etc., and has been applied in textile mills. It is also necessary to use these process equipment as an intelligent whole through automation and other technologies. Carry out management, realize the continuous operation, digital control and network management of the spinning equipment, realize energy saving and consumption reduction, reduce labor costs, improve the production environment, reduce labor intensity of workers, adapt to a variety of new fiber spinning, and improve traditional fiber yarn The goal of the grade of the line product.
Key technology: It is necessary to further focus on the sliver conveying in each process; automatic sliver splicing; automatic reel change and automatic spinning of combed reels; automatic splicing of rovings; automatic exchange of empty roving tubes and full rovings at the spinning frame, Automatic splicing; centralized control of multiple automatic winding machines; automatic conveying and automatic packaging of yarn in the winding process; realizing online monitoring and intelligent management of all information in the workshop such as host equipment, auxiliary equipment, raw materials, personnel, and finished products; realizing data analysis and remote diagnosis.
　　 2020 goal: breakthrough key technologies, complete most of the connections between processes, and realize industrialization; realize unattended at night; compared with the traditional discontinuous spinning process, the number of 10,000 spindles has been reduced from 60 to less than 28.
　　2Key equipment for short-flow spinning
　　 Rotor spinning and vortex spinning yarns are widely recognized for their good pilling resistance and abrasion resistance. In recent years, these new spinning technology and equipment have made significant progress. They have made considerable progress in the development of raw materials, downstream processing, yarn product development and adaptability, and have become an indispensable part of spinning.
　　Key technology: Fully automatic rotor spinning machine and air-jet vortex spinning machine have completed prototype development and spinning experiments are underway. It is necessary to further study high-speed drive, micro-motor drive and control technology, improve the success rate and efficiency of automatic piecing in rotor spinning, complete the structural design of the vortex spinning nozzle system and research on the spinning and manufacturing process, and solve the problems of spinning spindle difference. .
　　 2020 goal: break through key technologies and form small batch production. The rotor speed of the automatic rotor spinning machine is not less than 150kr/min; the yarn threading speed of the air-jet vortex spinning machine is 240m/min～450m/min.
　　3 The key technology of combing for multi-fiber and its industrialization
Use the cotton spinning combing machine to process a variety of fibers, improve the arrangement of the fibers in the yarn sliver, eliminate neps, and make the yarn products have better feel, luster, appearance and superior wearability, and have a better market prospect . At present, domestic companies have modified ordinary combing machines to adapt to the combing processing of cotton-type polyester fibers (speeds below 150 tongs/min), and their products are welcomed by the market.
Key technology: research and develop high-speed multi-fiber combing technology and combing equipment with a production speed of 300 nip times/min～350 nip times/min or more; research on the control technology of combing toil in the combing process; research on fiber feeding methods , Fiber separation and joining technology, development of separation and joining control devices suitable for multi-fiber combing; research and development of special combing components such as cylinders and top combs for multi-fiber combing.
　　 2020 goal: to break through key technologies such as high-speed combing technology for multi-fiber, tow control technology, separation and splicing, and establish a demonstration production line for multi-fiber combing.
　　 4ADS automatic doffing system
　　 With the improvement of people's living standards, it is an indisputable fact that the spinning industry has entered an era of multiple varieties and small batches. ADS (AutoDofferControlSystem) automatic doffing system is flexible and efficient. Through automatic process control, seamless docking from doffing to winding is realized, energy saving, consumption reduction, labor reduction and efficiency enhancement are achieved, and it is suitable for spinning needs of multiple varieties and small batches.
Key technology: intelligent doffing machine control system development and upgrade; automatic doffing system networked control, spinning frame automatic control, and digital control of automatic doffing system signal connection; automatic doffing system completes automatic doffing operation, full yarn automatic Collection and transportation; automatic replenishment of different types of air pipes, network remote diagnosis and processing of system failures.
　　 2020 goal: break through key technologies and achieve small batch production.
　　5 Intelligent electric spinning frame and spinning frame online detection system
The intelligent electric spinning frame has the functions of data collection, analysis and control. With the on-line monitoring system, it can monitor the running status of the spinning frame in real time, collect the spindle speed and traveler operating parameters, and have the function of automatically distinguishing yarn breakage and twisting efficiency. And can realize automatic stop feeding of roving. Due to the single spindle, single motor, single drive control, the spinning speed is high, the stability is good, the difference between the spindles is small, and the spinning quality is high.
Key technology: using distributed network technology to realize large-scale multi-motor cluster control and more 1/0 point control; large-scale system-wide real-time big data acquisition and real-time intelligent analysis; large-scale data real-time statistics; research on high-speed spinning precision winding Technology and reliability technology of spinning drafting; automatic stop feeding device for roving.
　　 2020 goal: build a 100,000-spindle electric spinning machine cotton spinning application demonstration workshop.
　　6 Intelligent electric spindle two-for-one twisting technology and information system
Intelligent electric spindle two-for-one twisting machine, with high spindle speed and small spindle difference, can reduce twist unevenness and increase output. It has the function of automatically identifying broken spindles and stopping operation. It adopts servo traverse technology, flexible package forming and high quality. , The winding speed can reach 120m/min, the process parameters can be set online, with data acquisition, analysis and control functions, and with the online monitoring system, it can feed back information such as output, energy consumption, efficiency, and broken spindle positions in real time to improve management level.
Key technologies: research and development of low-cost and high-efficiency electric spindles and drive technology; develop a real-time big data system that can collect all data of the whole system online and conduct intelligent analysis; research electric spindle reliability technology; multi-motor coordinated control technology to ensure that the machine is switched on and off The twist is the same as when the power is off.
　　 2020 goal: the initial promotion of the intelligent electric spindle two-for-one twister in the industry, with a scale of 30,000 spindles.
　　 7 slotless barrel precision digital winding technology
At present, the winding of the winder adopts a grooved drum to drive the package. The winding shape of the package is determined by the curve on the grooved drum. Because the curve on the grooved drum is fixed, this has caused an insurmountable overlap problem. , Broken head occurs when unwinding in the subsequent process. In addition, a bobbin rewinding process must be used to produce a bobbin that meets the needs of dyeing. The use of precision digital winding technology can save a rewinding process. Through software control, both loose and tight bobbins can be produced to achieve nothing. Production of packages with moderate overlap and tightness.
　　Key technologies: design and development of high-speed winding motors; design and development of high-speed yarn guide motors; program design and development of yarn guide curves.
　　 2020 goal: break through key technologies and achieve small batch production.
　　8 Double-variety tray type automatic winder adapted to the needs of non-collective doffing
At present, most domestic spinning spindles are still non-collective doffing spindles, and there is a large market for automatic winders that meet the needs of non-collective doffing. Foreign countries have already successfully developed double-variety tray-type automatic winders, but there is still a blank in China. It is necessary to develop this kind of automatic winder.
　　Key technologies: non-collecting doffing yarn end processing technology; dual-variety bobbin yarn supply method and related technologies.
　　 2020 goal: break through key technologies and achieve small batch production.
　　 9-step twisting machine single spindle combined drive and winding roller loosening system
　　 At present, the domestic one-step twisting machine adopts tangential belt or spindle belt for transmission of primary and secondary twisting spindles. The package of primary and secondary twisting is about 1kg to 2kg, and most of the wire feeding uses traditional rubber rollers. The upper and lower chains are more labor intensive, more joints, noisy workshops, uneven yarn twists, and unstable strength and elongation, which seriously restricts the improvement of the quality and production efficiency of civil and industrial products. It is imperative to research and develop large package 10kg data information, control intelligence, and produce automatic twisting machine.
Key technology: development of the intelligent mode of single-spindle synchronous micro-motor; combined design of 10kg single-spindle package for initial and double-twisting; adopting winding roller device, single-spindle counting length, automatic stop design for full bobbin short yarn; automatic brake clutch for double-twisting spindle System Development.
　　 2020 goal: solve key technologies, complete prototype manufacturing and testing, and install and use in some user companies.