"Machine Substitution" Strategy Helps Spanform And Upgrade Many Traditional Enterprises

"Machine substitution" is increasingly becoming an important strategy for many traditional enterprises to spanform and upgrade. Zhejiang is located on the southeast coast. Spin Product production and Exit One of the important bases has the advantages of market information and rapid product change, but there is also a disadvantage of high processing cost. This is due to the lack of Zhejiang. cotton And other natural fiber materials, and the lack of labor, about 90% of the front-line staff are migrant workers, despite the annual wage increase, but still face difficulties in recruiting workers, unable to retain workers.

Faced with the difficulties of high processing cost and recruitment difficulties, in recent years Zhejiang Spinning enterprises have quickening the pace of upgrading and upgrading of technical equipment, and have taken various measures to improve product quality and reduce labor employment. On the one hand, the development of product structure is differentiated and high-end. On the other hand, the advanced spinning equipment technology, such as automation, intelligence, networking and information technology, has been widely used. It has not only reduced the labor intensity of workers, but also greatly reduced the use of labor in the first line, and achieved the results of reducing efficiency and increasing efficiency.

According to our preliminary investigation and understanding, in recent years, Zhejiang spinning enterprises have mainly adopted the following new technologies and new equipment in upgrading and upgrading of technical equipment.

We should speed up the popularization and application of blowing carding technology. The blowing carding unit is an organic connection between the opening and cleaning of traditional spinning and the two processes of carding machine. By means of automation and intelligent control technology, the fibers are cut through, combed, mixed and removed, and the raw materials are spanported through the pipeline to make carding strips. It not only improves the quality of carding strip, but also reduces the repeated labor and labor of the original two processes, which is a mature spinning technology.

We will accelerate the adoption of new self levelling high-speed drawing frames to upgrade the technological equipment of the drawing process. On the basis of learning advanced technology of foreign spinning, Zhejiang spinning enterprises first changed from original two to single combined process in spinning cotton combed yarn, and added intelligent self leveller on single drawing frame. The weight difference of output strip was controlled by automatic spanmission of front and back rollers, replacing the traditional backward method of manually changing gears to control the weight of output strip. As the drawing process is changed by two ways, it reduces the equipment 50%, reduces the electricity consumption and employment, and improves the quality of the sliver because of the fatigue of the fiber.

Replace A series comber with high efficiency comber. Zhejiang Bailong East, Longyou min long and other colored spinning production enterprises, through technological innovation, originally used cotton stains and then mixed cotton, instead of using combed cotton net dyed and then mixed cotton technology, avoiding the restriction of colored spun yarn in small batch and multiple varieties, and using the combed cotton mesh dyed to replace the original cotton dyeing, so that the consumption of dyestuff materials was reduced, and the dyeing cost was reduced. More importantly, the use of high efficiency comber in the production of colored spun yarn makes the control power of the fiber in the carding process far higher than that of the A series comber. The combed cotton web has less than 10% of the short staple rate compared with the comber, while the effective fiber loss in combed noil decreases.

Upgrading roving process technology. Zhejiang spinning enterprises have speeded up the upgrading and upgrading of the traditional roving machine, and adopted the intelligent multi motor control technology on the existing roving frame to replace the backward technology of the original cone wheel drive, and achieved remarkable results. For example, Ningbo Bailong textile company has changed the original 49 cone wheel roving frames into an intelligent roving machine with multi motor control technology for more than a year, eliminating all kinds of malfunctions in the forming part of the cone wheel spanmission roving machine, and effectively reducing the broken rate and bad vehicle rate of roving. At the same time, the equipment is convenient and fast, and the cost is reduced.

Rebuild spinning frame. In recent years, Zhejiang textile enterprises actively adopt the automatic collective doffing long spinning machine, and actively promote the application of intelligent automatic doffing car on the conventional spinning frame. At the same time, the new spinning technology is actively adopted, so that the ring spinning can develop to multi-functional, high quality and multi variety production.

The winding automatic winding machine is used instead of the yarn library automatic winding machine. In recent years, with the popularization and application of the collective doffing spinning machine and the development of the thin link technology, foreign textile machinery manufacturers have developed a new generation of pallet type automatic winder. According to the current 3~3.5 platform of each 10000 spindles and automatic winder, the pallet type automatic winding machine needs only 1 truck drivers to take care of it easily. The three shift operation only needs to be equipped with 3~4 truck drivers, which fully demonstrates the superiority of "machine replacement".

The new rotor spinning technology and jet vortex spinning technology are actively adopted. In recent years, the Zhejiang spinning enterprises use these two new spinning equipment to increase rapidly. Preliminary analysis shows that at present, the province has about 400000 rotor spinning machines of various types and more than 500 sets of air-jet spinning machines, totaling 45 thousand spindles. The yarn produced by these two new spinning technologies has accounted for nearly 20% of the total yarn output of the province, and is 8~10 percentage points higher than the national average. Zhejiang has become an important base for producing OE yarn and air-jet vortex yarn in China.

Actively promote workshop temperature and humidity automatic control technology, reduce production fluctuations. In recent years, many spinning enterprises in Zhejiang have actively adopted the automatic control technology of temperature and humidity control. The frequency conversion motor has been used in the air blower and the water supply pump. The automatic detection point of temperature and humidity has been installed in the parts of the workshop air supply pipe and the return air window. From the change of temperature and humidity in the detection point, the speed of the fan and the volume of the pump and the volume of the air supply are regulated through the intellectualization and networking technology, so as to control the fluctuation of the temperature and humidity in the workshop.

In recent years, Zhejiang spinning enterprises have actively adopted the above 8 equipment upgrading measures, which not only improved the level of equipment technology, but also played an important role in improving product quality and developing high-end products.

In addition, as many equipment has improved the level of automation and intelligence, reducing labor intensity and saving labor and employment, it is gradually moving towards the strategy of "machine substitution".