CN214600075U - Lithium battery coating device - Google Patents
Lithium battery coating device Download PDFInfo
- Publication number
- CN214600075U CN214600075U CN202023227051.8U CN202023227051U CN214600075U CN 214600075 U CN214600075 U CN 214600075U CN 202023227051 U CN202023227051 U CN 202023227051U CN 214600075 U CN214600075 U CN 214600075U
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- CN
- China
- Prior art keywords
- coating
- control structure
- trough
- roller
- frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000000576 coating method Methods 0.000 title claims abstract description 86
- 239000011248 coating agent Substances 0.000 title claims abstract description 83
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 18
- 239000011888 foil Substances 0.000 claims abstract description 24
- 239000004744 fabric Substances 0.000 claims abstract description 10
- 239000006255 coating slurry Substances 0.000 claims abstract description 6
- 238000002791 soaking Methods 0.000 claims abstract description 4
- 238000007598 dipping method Methods 0.000 claims abstract description 3
- 238000004140 cleaning Methods 0.000 claims description 4
- 230000006835 compression Effects 0.000 description 17
- 238000007906 compression Methods 0.000 description 17
- 230000008878 coupling Effects 0.000 description 10
- 238000010168 coupling process Methods 0.000 description 10
- 238000005859 coupling reaction Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000007654 immersion Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Battery Electrode And Active Subsutance (AREA)
Abstract
The utility model discloses a lithium battery coating device, which comprises a frame, wherein a cloth soaking structure, a coating coarse control structure and a coating fine control structure are sequentially connected on the frame from bottom to top; the cloth dipping structure comprises a trough which is arranged on a rack and used for bearing coating slurry and a roller which is connected in the trough, foil to be coated is sequentially carried along the roller, the coating coarse control structure and the coating fine control structure after being dipped in the trough, the coating coarse control structure preliminarily limits the coating amount on the coated foil, and the coating fine control structure secondarily limits the coating amount on the foil after being controlled by the coating coarse control structure. The utility model discloses a silo and cross the roller and realize the coating in the time of foil both sides, through the coating coarse control structure to the coating weight on the foil behind the coating control just control, pass through at last the coating fine control structure is controlled again the coating weight on the foil after the control of coating coarse control structure to this uniformity of guaranteeing the coating.
Description
Technical Field
The utility model belongs to the technical field of battery processing, concretely relates to lithium cell coating unit.
Background
The coating machine is an indispensable process in lithium battery production, the coating quality directly influences the performance of the lithium battery, and the coating machine is one of the most important processes in lithium battery production, and the research on the coating process and equipment is always in the focus of the breakthrough of the lithium battery technology.
At present at the lithium electricity trade generally use the formula coating technique of turning back, coat the foil first face promptly, dry after to the second face, dry again, this technique easily leads to wherein one side and overbake, both sides aircraft nose thick liquids limit such as differ, is unfavorable for the uniformity of coating thick liquids.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a lithium cell coating unit to overcome above-mentioned technical problem.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a lithium battery coating device comprises a rack, wherein a cloth soaking structure, a coating coarse control structure and a coating fine control structure are sequentially connected to the rack from bottom to top; the cloth dipping structure comprises a trough which is arranged on a rack and used for bearing coating slurry and a roller which is connected in the trough, foil to be coated is sequentially carried along the roller, the coating coarse control structure and the coating fine control structure after being dipped in the trough, the coating coarse control structure preliminarily limits the coating amount on the coated foil, and the coating fine control structure secondarily limits the coating amount on the foil after being controlled by the coating coarse control structure.
Further, a feeding pipeline and a cleaning pipeline are installed on the trough, and a discharge hole is formed in the lower end of the trough.
Further, the coating coarse control structure comprises a fixed air knife which is connected to the rack through a connecting plate and is arranged above the roller, and a movable air knife which is connected to the rack through a telescopic assembly and is even carried out relative to the fixed air knife.
Furthermore, the telescopic assembly comprises a pair of slide rails fixedly connected to the frame, a pair of slide blocks slidably connected to the pair of slide rails, and a pair of telescopic cylinders fixedly connected to the frame and respectively fixedly connected to two ends of the movable air knife, wherein the pair of slide blocks are respectively fixedly connected to two ends of the movable air knife.
Furthermore, the coating fine control structure comprises two compression rollers which are arranged up and down and are parallel to each other, wherein the compression roller below the two compression rollers is fixedly connected to the rack, the compression roller above the compression roller is fixed to the rack, and the distance between the compression rollers below the compression roller is adjustable.
Further, the compression roller that is in the top passes through coupling assembling to be located in the frame, coupling assembling is including locating compression roller both ends and the rigid coupling that are in the top are in guide bar group in the frame, guide bar group is including a pair of vertical guide arm that is parallel to each other, and is a pair of be connected with a horizontal board between the vertical guide arm, the equal rigid coupling of bearing frame at the compression roller both ends of top is on the horizontal board that corresponds, horizontal board passes through the bolt fastening and is in on the vertical guide arm.
Has the advantages that: the utility model discloses a silo and roller realization are to the coating in time of foil both sides, carry out preliminary control through the coating thickness of coating coarse control structure on the foil behind the coating, pass through at last the coating fine control structure is to the warp coating weight on the foil behind the coating coarse control structure control is controlled once more, guarantees the uniformity of final coating from this.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the coating process of the present invention;
in the figure: 1. a frame; 2. a cloth soaking structure; 21. a trough; 22. passing through a roller; 23. a feed conduit; 24. cleaning a pipeline; 25. a discharge port; 3. coating a coarse control structure; 31. a connecting plate; 32. fixing an air knife; 33. a movable air knife; 34. a telescoping assembly; 341. a slide rail; 342. a slider; 343. a telescopic cylinder; 4. coating the fine control structure; 41. a compression roller; 42. a connecting assembly; 421. a guide rod group; 422. a transverse plate.
Detailed Description
In the description of the present invention, unless otherwise specified, the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships only for the purpose of describing the present invention and simplifying the description, but do not indicate or imply that the device or structure referred to must have a particular orientation and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1, the lithium battery coating device of the present invention comprises a frame 1, wherein a cloth immersion structure 2, a coating coarse control structure 3 and a coating fine control structure 4 are sequentially connected to the frame from bottom to top, wherein the cloth immersion structure comprises a trough 21 mounted on the frame for holding coating slurry and a roller 22 connected to the trough; as shown in fig. 2, the arrow direction is a foil feeding direction, that is, after the foil to be coated is soaked in the material tank, the foil is sequentially fed along the roller, the coarse coating control structure and the fine coating control structure, wherein the coarse coating control structure is used for primarily controlling the coating amount on the coated foil, and the fine coating control structure is used for secondarily controlling the coating amount on the foil controlled by the coarse coating control structure.
As shown in fig. 1, the trough is in an inverted triangle shape, the roller is arranged in the trough and connected to the other end of the trough from one end of the trough, and the roller is placed in the center of the trough; a feeding pipeline 23 and a cleaning pipeline 24 are arranged on the trough and used for providing slurry or clean water into the trough so as to respectively supply materials to the trough and clean the trough; the lower end of the trough is provided with a discharge hole 25, so that the slurry or the wastewater in the trough is discharged from the discharge hole under the control of a control valve. And in the coating process, the liquid level of the slurry in the trough is ensured to be higher than the lowest end of the roller, so that the foil is ensured to be positioned below the liquid level in the tape-moving process, and the coating leaching is finished.
As shown in fig. 1, the coarse control structure of coating includes two connecting plates 31, fixed air knife 32, flexible subassembly 34 and activity air knife 33, two vertical settings of connecting plate 31 are just connected the frame, fixed air knife is located cross the top of roller, the both ends of fixed air knife are rigid coupling respectively on two connecting plates, flexible subassembly rigid coupling is in the frame, the activity air knife corresponding to fixed air knife sets up, flexible subassembly with the activity air knife is connected and is makeed the activity air knife and remove to fixed air knife direction, passes the tape transport after the foil coating between activity air knife and the fixed air knife. The coating coarse control structure forms a coating amount coarse control system, is arranged on the front side and the rear side of the coated foil through two groups of air knives in a slitting mode, controls the thickness of coating slurry, and blows redundant slurry back to a material tank, wherein the movable air knives can move back and forth through telescopic assemblies, and convenience in production and belt conveying in an experimental process is facilitated.
Further, a specific mode of the telescopic assembly is explained: as shown in fig. 1, the telescopic assembly includes a pair of slide rails 341, a pair of slide blocks 342, and a telescopic cylinder 343, wherein the slide rails are provided with a pair of slide rails and all fixedly connected to the frame, the slide blocks are correspondingly provided with two slide blocks respectively fixedly connected to two ends of the lower end surface of the movable air knife and respectively slidably connected to the pair of slide rails, the telescopic cylinders are correspondingly provided with two slide rails and all fixedly connected to the frame, and the two telescopic cylinders are correspondingly fixedly connected to two ends of the movable air knife, so that the movable air knife can be moved toward the fixed air knife through the telescopic cylinders.
As shown in fig. 1, the coating fine control structure comprises two press rolls 41 which are vertically arranged and parallel to each other, wherein the press roll below is fixedly connected to the frame, the distance between the press roll above and the press roll below is adjustable, and thus the coating slurry amount is precisely controlled through the gap between the two press rolls.
Further, the adjustment method of the two press rolls will be explained: as shown in fig. 1, wherein, the compression roller that is in the top passes through coupling assembling 42 to be located in the frame, coupling assembling is including locating compression roller both ends and the rigid coupling that are in the top are in two pairs of guide bar groups 421 in the frame, every pair of guide bar group include a pair of vertical guide bar that is parallel to each other a pair of vertical guide bar between be connected with a horizontal plate 422, the bearing frame is installed respectively at the both ends of compression roller, so, the bearing frame rigid coupling that is in the compression roller both ends of top is on the horizontal plate that corresponds, from this, is about to connect the compression roller in horizontal plate, horizontal plate can move on vertical guide bar, and accessible bolt is fixed horizontal plate on vertical guide bar this moment, so, the gap adjustment between two compression rollers can be realized to adjusting bolt position on the guide bar. In the above, the press roller can be controlled by a servo motor and a speed reducer to ensure the uniformity of the coating tape transport speed.
In order to make the purpose, technical solution and advantages of the present invention more concise and clear, the present invention is described with the above embodiments, which are only used for describing the present invention, and can not be understood as a limitation to the scope of the present invention. It should be understood that any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (6)
1. A lithium battery coating device is characterized by comprising a rack (1), wherein a cloth soaking structure (2), a coating coarse control structure (3) and a coating fine control structure (4) are sequentially connected to the rack from bottom to top; the cloth dipping structure comprises a trough (21) and a roller (22), wherein the trough (21) is installed on the rack and used for bearing coating slurry, the roller (22) is connected into the trough, foil to be coated is sequentially carried out tape walking along the roller, the coating coarse control structure and the coating fine control structure after being dipped in cloth in the trough, the coating amount of the coating coarse control structure on the coated foil is preliminarily limited, and the coating amount of the coating fine control structure on the foil after being controlled by the coating coarse control structure is secondarily limited.
2. The lithium battery coating apparatus as claimed in claim 1, wherein the trough is provided with a feed pipe (23) and a cleaning pipe (24), and a discharge port (25) is provided at a lower end of the trough.
3. The lithium battery coating device according to claim 1, wherein the coating coarse control structure comprises a fixed air knife (32) connected to the frame through a connecting plate (31) and arranged above the roller, and a movable air knife (33) connected to the frame through a telescopic assembly (34) and arranged opposite to the fixed air knife.
4. The lithium battery coating device as claimed in claim 3, wherein the telescopic assembly comprises a pair of slide rails (341) fixed on the frame, a pair of slide blocks (342) slidably connected to the pair of slide rails, and a pair of telescopic cylinders (343) fixed on the frame and respectively fixed to two ends of the movable air knife, the pair of slide blocks being respectively fixed to two ends of the movable air knife.
5. The lithium battery coating device as claimed in claim 1, wherein the coating fine control structure comprises two press rollers (41) which are arranged up and down and are parallel to each other, the lower press roller of the two press rollers is fixedly connected to the frame, and the distance between the upper press roller and the lower press roller is adjustable.
6. The coating device for the lithium battery as claimed in claim 5, wherein the upper press roller is arranged on the frame through a connecting assembly (42), the connecting assembly comprises a pair of guide rods (421) which are arranged at two ends of the upper press roller and fixedly connected to the frame, the guide rods comprise a pair of vertical guide rods which are parallel to each other, a transverse plate (422) is connected between the vertical guide rods, bearing blocks at two ends of the upper press roller are fixedly connected to the corresponding transverse plate, and the transverse plate is fixed on the vertical guide rods through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023227051.8U CN214600075U (en) | 2020-12-28 | 2020-12-28 | Lithium battery coating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023227051.8U CN214600075U (en) | 2020-12-28 | 2020-12-28 | Lithium battery coating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214600075U true CN214600075U (en) | 2021-11-05 |
Family
ID=78433031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023227051.8U Active CN214600075U (en) | 2020-12-28 | 2020-12-28 | Lithium battery coating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214600075U (en) |
-
2020
- 2020-12-28 CN CN202023227051.8U patent/CN214600075U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221208 Address after: 231400 No. 1, Longchi Road, Tongcheng economic and Technological Development Zone, Anqing City, Anhui Province Patentee after: Tongcheng Guoxuan New Energy Co.,Ltd. Address before: 230011 No. 599 Daihe Road, Xinzhan District, Hefei City, Anhui Province Patentee before: Gotion High-tech Co., Ltd. |