New energy automobile lithium battery pole piece coating equipment
A technology for new energy vehicles and coating equipment, which is applied to the coating of electrode collectors, electrode manufacturing, and devices for coating liquid on the surface. It can solve problems affecting coating uniformity, wrinkles, etc., and avoid coating Effects of non-uniformity, guaranteed uniformity, and guaranteed performance consistency
Active Publication Date: 2022-05-31
广州盘太能源科技有限公司
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Problems solved by technology
The invention is mainly used to solve the problem that the current collector has wrinkles when the current collector passes the back roller due to the change of the tension force when adjusting the tension of the current collector in the existing coating equipment, which affects the uniformity of the coating.
Method used
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[0047] The cold-pressing mechanism is arranged behind the drying mechanism for compacting the dried battery-level sheet;
[0048] The rewinding mechanism is arranged after the cold pressing mechanism for rewinding the compacted battery stage sheet;
[0052] As shown in FIG. 3 to FIG. 5, the tensioning mechanism 3 includes a tensioning roller 31, a connecting rod 32, a rotating shaft 33, a support seat 34,
[0056] As shown in Figure 3, Figure 4 and Figure 7, the top of the back roller 51 is provided with a leveling blade 55; the back roller 51, the coating
[0060] As shown in Figure 4 and Figure 8, the leveling scraper 55 is connected to the independent support column 8 through a fine adjustment mechanism; the micro
[0062] As shown in FIG. 3 and FIG. 4, the slurry box 54 is provided with a flip cover 541; the flip cover 541 can be flipped open; two
[0063] When working, by setting the flip cover 541 on the slurry tank 54, and setting the cover between the two flexible baffles 56...
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The invention belongs to the technical field of new energy automobile batteries, and particularly relates to new energy automobile lithium battery pole piece coating equipment which comprises a supporting frame, an unwinding mechanism, a tensioning mechanism, a guiding mechanism, a coating mechanism, a drying mechanism, a cold pressing mechanism, a winding mechanism and a pressing anti-wrinkling mechanism. The tensioning mechanism drives the driving rod to move in the process of adjusting the tensioning force movement, then the driving rod drives the swing rod to rotate around the fixing base, the swing rod drives the pressing rod to move, and then the pressing rod drives the pressing roller to move on the surface of the back roller; further, the spring is stretched to enable the current collector to be always pressed on the back roller by the pressing roller, so that the current collector is prevented from wrinkling, the current collector is ensured to be flat and clung to the back roller when passing through the surface of the back roller, and the condition of non-uniform coating caused by coating the surface of the current collector with slurry is avoided; and the coating uniformity of the slurry on the surface of the current collector is further ensured.
Description
A new energy vehicle lithium battery pole piece coating equipment technical field The invention belongs to new energy vehicle battery technical field, specifically a kind of new energy vehicle lithium battery pole piece coating cloth equipment. Background technique Lithium ion battery is a kind of secondary battery (rechargeable battery), which mainly relies on lithium ions to move between positive and negative electrodes. During the charging and discharging process, lithium ions intercalate and deintercalate back and forth between the two electrodes: when charging, lithium ions from the positive The electrode is deintercalated, and the negative electrode is inserted into the negative electrode through the electrolyte, and the negative electrode is in a lithium-rich state; the opposite is true during discharge; the production and manufacture of lithium-ion batteries, It is a process in which the process steps are closely linked; on the whole, the production of lithiu...
Claims
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IPC IPC(8): B05C1/08B05C11/02B05C11/11B05C13/02B05C15/00H01M4/04
CPCB05C1/083B05C11/023B05C11/11B05C13/02B05C15/00H01M4/0404Y02E60/10
Inventor 刘振添
Owner 广州盘太能源科技有限公司