Since the beginning of this year, cotton spinning enterprises have generally presented a rare boom in production and sales in recent years. The spinning equipment market, which was severely affected by the financial crisis, also quickly recovered, and a good market situation also provided favorable conditions for technological upgrading. Improve production efficiency, reduce labor, improve product quality, meet yarn variety innovation and small batch, multi-variety production mode requirements, saving energy and raw materials is the user's main demand for spinning equipment. In response to the changing demand of cotton spinning enterprises, domestic and foreign spinning equipment manufacturers have launched new products, which are common features of these products because of their high efficiency, labor saving and variety adaptability. Collective doffing automatic doffing technology is maturing
Doffing is one of the most productive and labor-intensive production links in textile enterprises. The use of collective doffing or automatic doffing not only greatly reduces the doffing work, but also greatly reduces the labor intensity. At present, automatic doffing and collective doffing techniques are becoming more and more mature, and have been applied in roving frames, spinning frames and short cars. At the 2010 China International Textile Machinery Exhibition and ITMA Asia Exhibition held not long ago, not only the spinning frame long cars were generally equipped with collective doffing devices, but also the collective doffing devices were also equipped on the short cars. Dongfei Mazori, Shanxi Hujin and other companies have exhibited short-duty models equipped with collective doffing devices. Sette Global, Hebei Taihang, Tianjin Hongda and other companies have introduced automatic doffing roving machines. Among them, the CMT1801 intelligent roving doffing machine launched by Scitech Global is the latest generation of automatic doffing roving machine developed with the advanced synchronous control concept and the world's latest spinning mathematical model. The machine adopts the frequency conversion synchronous intelligent control system to realize automatic doffing, which can reduce the labor cost to the greatest extent. One person can operate up to 6 vehicles and reduce the operator by more than 50%. The doffing parking is completed in 120 seconds at the earliest, which greatly improves the spinning efficiency.
In response to the demand for textile machinery enterprises to transform old machines, Wuxi Jiju Textile Equipment Co., Ltd. has developed the first automatic doffing robot in China. The robot has the remarkable features of adapting to various new and old spinning machines, spinning various kinds of yarns, and adapting to various spinning enterprises. It utilizes a set of electronic-pneumatic-mechanical composite devices to simulate the action of the manual drawing of the intubation tube, which realizes the in-line drawing and the ingot insertion, and also automatically detects the small yarn and automatically avoids the empty tube. The model is simple and dexterous, and the movement is accurate and reliable. It overcomes the deficiencies of the large system of the doffing device, the complexity of the mechanism and the high cost. It can not only form a fully automatic doffing frame with the new machines of the domestic and foreign spinning machines, but also Upgrade various types of traditional spinning frames. This fully automatic doffing robot made its debut at the current textile machinery exhibition and harvested a contract for 40,000 spindles.
In addition, the intelligent doffing machine of the ring spinning machine launched by Anhui Tongling Songbao Machinery Co., Ltd. also attracted great attention. The ring spinning intelligent doffing car is the latest product independently developed by Songbao. It uses high-precision photoelectric control and four-axis linkage technology to automatically collect the full bobbin, without any damage to the precision and yarn quality of the spindle. The line breakage rate is controlled within 5%, and the whole process of spinning, doffing and collecting is automated, which solves the problem that the automatic doffing device at home and abroad can only adapt to the aluminum casing spindle. This intelligent doffing machine can be applied to multiple spinning frames, which can effectively reduce the labor intensity of workers and reduce the production cost of textile enterprises. Automatic winder variety adaptability
The automatic winder can significantly improve production efficiency, save labor and improve product quality, and has become a hot spot in the market in the past two years. Driven by increasing market demands, automatic winders have made many important technological advances in recent years.
The main manufacturers of the three automatic winders of Italy's SAVIO, Japan's Murata Machinery Co., Ltd. and Schlafhorst are all optimistic about the Chinese market and have introduced new models. Oerlikon Schlafhorst's new Autoconer X5 automatic winder offers users two yarn traversing systems: the traditional drum-type winding system and the software-controlled, slotless PreciFX yarn traversing system. The newly developed Speedster yarn unwinding controller unit not only increases productivity but also ensures high quality yarns. Functional expansion, increased flexibility and speed maximization enable the new X-Change doffing trolley to be used in all areas. Japan's Murata Machinery Co., Ltd. No.21C-S PROCESS CONER automatic winder is equipped with a tracking air ring controller Bal-Con. Bal-Con is lowered as the yarn is taken up from the yarn supplying bobbin, so that the tension at the time of winding is maintained at a certain level, so that the production efficiency can be increased by 5% to 10%. The versatility of the machine is also very high. By using different splicers, it can cope with various yarns such as cotton high count double yarn, linen yarn, combed yarn and spandex core yarn.
The new generation of automatic winder SMARO independently developed by Qingdao Hongda represents the highest level of domestic automatic winder, and its technical level has reached the international advanced level. SMARO automatic winder adopts advanced control technology, and has newly designed the winding process and yarn path, which makes the mechanical structure of the automatic winder simple and the level of electrical intelligence is greatly improved. The machine realizes full-process monitoring, which can obtain better yarn quality and economic benefits, greatly improve production efficiency and the highest winding speed of 2200 m/min. The suitability and changeability of a large number of process parameters have greatly improved the adaptability of the machine. Textile machinery companies such as Shanghai Second Textile Machinery, Jiangsu Kaigong, Dongfei Mazuoli and Shanghai Luolu Electromechanical Co., Ltd. have also accelerated the development and production pace of automatic winders. The new automatic winder generally adopts new technologies such as DC brushless motor coaxial transmission groove, tension control device, new anti-stacking mode, joint cycle electrical control, etc. The degree of mechatronics is also greatly improved, and the function also realizes the module. Turn. Among them, the automatic winding machine developed by Shanghai Luolu Electromechanical Co., Ltd. all adopts domestic technology, which greatly reduces the cost of the whole machine and becomes a highlight.
With the increase in labor costs, the thick and thin network also ushered in a good opportunity for development. The coarse and fine mesh spinning system developed by Jingwei Textile Machinery Co., Ltd. is composed of JWF1418A automatic doffing roving frame, JWF1581 spinning frame and SMARO-I automatic winder. It realizes three kinds of roving, spinning and winding. Automated coupling of processes. The coarse and fine complex system directly connects the three processes of cotton spinning production with the most people and the highest labor intensity, which improves the cleaning condition of the yarn, avoids the contact damage of the yarn, improves the product quality, and replaces the doffing, intubation, Manual operations such as transportation have reduced labor, automated and continuous production, and greatly improved product quality and labor productivity. The system realizes the requirements of textile enterprises for “automation, large package and continuous†of textile equipment through the new design concept of independent innovation, and provides solutions for cotton spinning enterprises to solve the urgent needs of current labor shortage and improve yarn quality. . New spinning equipment is getting better and better
With the pursuit of differentiated products by cotton spinning enterprises, new spinning equipment has also received more attention.
The technology of domestic rotor spinning machine has been further improved and the reliability has been further improved. Jingwei Textile Machinery Co., Ltd. Yuci Branch and Zhejiang Rifa Textile Machinery Co., Ltd. have launched fully automatic rotor spinning machines. The suction-type semi-automatic joint device in the domestic rotor spinning machine has become the mainstream. The 480~500 head rotor spinning machine is equipped with modern spinning devices such as automatic joints, automatic doffing, automatic cylinder change and automatic yarn clearing.
The new vortex spinning machine produced by Murata in Japan can meet the requirements of the company to produce a variety of fiber blended yarns. At the same time, the process is short, the materials used are saved, and it has recently become the market darling. The new vortex spinning machine VORTEX No.861 developed by Murata has a spinning speed of 450 meters per minute and a production capacity of more than 20 times that of ring spinning. By integrating the roving, spinning and winding processes, the vortex spinning machine maximizes the control of production and operation costs such as personnel configuration, power consumption, and maintenance and maintenance hours. At the same time, the combination of Muratec electronic yarn clearer and VOS visual intelligent master computer system not only achieves quality management, but also realizes simple and precise centralized management. The detection of the foreign fibers can also be completed by installing the MSC-F selection component. Under the same conditions, the vortex spinning machine saves floor space and labor compared to other spinning equipment, and is more energy efficient. With different characteristics of the evidence user, Murata has also introduced an optional bobbin conveyor belt and core yarn processing device, which can further reduce the labor intensity of the gearshifter and adapt to different types of core yarn production.
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