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Lithium ion battery winding machine is an important component of lithium battery winding machine industry market demand. In recent years, the explosive rise of lithium-ion battery production companies has promoted the rapid development of China's lithium-ion battery equipment industry. Lithium-ion battery winding machine can be divided into manual winding machine, semi-automatic winding machine and full-automatic winding machine. In 2010, the market concentration of domestic lithium battery winder was also further strengthened.

An important part of lithium ion battery winding machine

Lithium ion battery winding machine is an important part of lithium battery winding equipment. It has a great impact on the quality and life of the battery. Its design will have a great use for battery automation. The lithium ion battery winding machine is used for winding the lithium ion battery cells. The winding machine has positive and negative feeding units, and the part that winds the positive and negative poles together is called winding needle.

● Rack

It is composed of structural frame and mounting panel.

● Winding device

It is composed of a winding mechanism that can move the working position. The winding motor adopts a combination of a stepping motor and a planetary reducer.

● Electrode supply device

It is composed of guide plate and vacuum system.

● Auxiliary pressing plate and cutting device

It is composed of pressing plate and blade.

● Tape supply device

It is composed of mechanical chuck, belt clamping cylinder, belt pulling cylinder, belt fixing cylinder, belt cutting cylinder, belt receiving cylinder, belt feeding swing arm cylinder, transition wheel, etc.

● Electrical control part

It is composed of PLC, man-machine interface, stepping motor, stepping motor driver, proximity sensor, photoelectric sensor, cylinder magnetic sensor, button switch, solenoid valve and cylinder.

Market demand of lithium battery winding machine industry

At present, the core manufacturing of power lithium-ion batteries is mainly divided into two processes: winding and lamination. The cylindrical and square batteries are mainly produced by winding process, while the flexible battery is mainly produced by lamination process. Because the winding process can realize the high-speed production of the cell through the rotation speed, and the lamination technology can improve the speed is limited, so at present, the domestic power lithium-ion battery is mainly based on the winding process, so the delivery volume of the winding machine is larger than that of the lamination machine.

At present, with the rise of domestic cell companies, the process of replacing import of domestic equipment is also accelerating. Based on some high-end products, domestic companies drive the continuous improvement of the overall equipment technology level, and gradually catch up with and surpass foreign countries. While the product performance of domestic companies is improving, the price and service advantages are gradually obvious compared with those of foreign countries. The price of foreign brands of winding machines is 20% - 30% higher than that of domestic high-end brands. In terms of both cost and technology, the competitive advantage of domestic lithium battery equipment is expanding.

The market concentration of domestic lithium battery winder is also further strengthened. The market share of the top five companies, including Pioneer Intelligence, Win-Hop Technology, Chengjie Intelligence, Jiyang Intelligence and Huaguan Technology, exceeds 90%, of which the market share of Pioneer Intelligence is more than 60%, and the market oligopoly is increasingly obvious.

According to industry estimates, the growth rate of lithium battery equipment industry will remain around 30% in the next five years. In 2020, the domestic market demand alone will reach 34 billion yuan, and the output value of domestic equipment is expected to exceed 27 billion yuan. At present, the lithium battery leading companies such as Ningde Times, BYD, Panasonic, LG Chemical and Samsung SDI have set off a frenzy of output expansion, which will certainly drive the global demand for equipment, and the business opportunities in the winder market are huge.

Lithium battery production links are complex, including many links, and a large number of motion control products will be used. With the continuous expansion of the power lithium battery market, the market demand for lithium battery winders has exploded. In the future, in the field of lithium battery equipment, the motion control market will also usher in huge development space.

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