Coating device for polymer lithium battery production
By introducing a spray surface cleaning mechanism of the electrostatic generator and an electrostatic adsorption rod into the lithium battery coating device, the problem of the influence of fine impurities during the coating process is solved, the coating quality is improved and the impurity cleaning is simplified.
Patent Information
- Application Number
- CN202421033740.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-13
- Publication Date
- 2025-02-07
- Estimated Expiration
- 2034-05-13
AI Technical Summary
The existing lithium battery coating devices are susceptible to small impurities during the coating process, resulting in a decrease in coating quality.
A spray surface cleaning mechanism including an electrostatic generator and an electrostatic adsorption rod is designed to absorb fine impurities on the surface of the base cloth through the electrostatic adsorption rod, and to facilitate subsequent cleaning of impurities through the design of the slide chute seat and the sliding seat.
It effectively avoids the impact of fine impurities on the spraying effect, improves the coating quality, and simplifies the impurity cleaning process.
Smart Images

Figure CN222428389U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of lithium battery processing, and specifically to a coating device for polymer lithium battery production. Background Art
[0002] Lithium polymer battery, also known as polymer lithium battery, is a kind of battery with chemical properties. Compared with previous batteries, it has the characteristics of high energy, small size and light weight. Lithium polymer battery will use coating in the production process. During the coating process, it is necessary to add a coating on the surface of the base fabric.
[0003] A Chinese patent discloses a coating device for producing lithium-ion battery separators, with publication number CN217369063U. The technical solution disclosed in the patent document is as follows: it includes an outer box, and the front and rear sides of the right end of the outer box are fixedly connected to a right baffle, and the rear end of the rear right baffle is fixedly connected to a second motor, and the driving end of the second motor is fixedly connected to the rear end of the winding roller, and the top left side of the outer box is fixedly connected to a slurry box, and the top of the slurry box is fixedly connected to a first motor.
[0004] In order to solve the problem of excess paint leakage during the coating process, the existing technology adopts a method of designing components such as filters and funnels to deal with it. However, the spraying effect is easily affected by impurities. During the transmission of the base cloth, fine impurities in the air or on the device can easily fall on the base cloth. The structure does not clean them and directly sprays them. The fine impurities will affect the spraying effect, thereby affecting the quality of the coating. Utility Model Content
[0005] The utility model aims to provide a coating device for polymer lithium battery production, so as to solve the problem in the prior art that impurities may affect the coating quality.
[0006] The utility model provides the following technical solution: a coating device for polymer lithium battery production, comprising a coating workbench, a support seat is fixedly installed on the top of the coating workbench, a base cloth support roller is rotatably connected to the end of the support seat, a spray surface cleaning mechanism is arranged on the top of the coating workbench, and a spray processing mechanism is arranged on the top of the coating workbench and is located on the right side of the spray surface cleaning mechanism.
[0007] The spray surface cleaning mechanism includes a support rod and a support frame, the support rod is welded to the top of the coating workbench, a slide slot seat is fixedly installed on the left end of the support rod, a sliding seat is slidably connected to the inner wall of the slide slot seat, an electrostatic generator is fixedly installed on the top of the sliding seat, an insulating rod is fixedly installed on the bottom of the sliding seat, an electrostatic adsorption rod is fixedly connected to the end of the insulating rod away from the sliding seat, the working end of the electrostatic generator is electrically connected to the top of the electrostatic adsorption rod, and after the electrostatic generator is working, static electricity can be generated on the electrostatic adsorption rod to adsorb fine impurities on the spray surface of the base cloth.
[0008] As a preferred embodiment of the above technical solution, the support frame is fixedly installed on the back of the coating workbench, a hollow pipe is fixedly installed on the top of the support frame, and a suction fan is fixedly connected to the back of the hollow pipe. The suction fan can generate suction after working to absorb and clean impurities on the electrostatic adsorption rod.
[0009] As a preferred embodiment of the above technical solution, a plug-in square tube is movably connected to the top of the hollow pipe, and an arc-shaped hollow plate is fixedly connected to the top of the plug-in square tube. An arc-shaped fiber filter is fixedly installed on the inner wall of the arc-shaped hollow plate, and the arc-shaped fiber filter can filter out impurities on its inner wall.
[0010] As a preferred embodiment of the above technical solution, the spray processing mechanism includes a lifting bracket, which is fixedly installed on the top of the coating workbench and located on the right side of the support rod. A spray pipe is fixedly installed on the inner wall of the lifting bracket, and a nozzle is fixedly connected to the bottom of the spray pipe. A pump is fixedly installed on the top of the lifting bracket. After the pump is working, it can extract the paint inside the storage barrel and output it evenly from the bottom of the nozzle to realize the coating function.
[0011] As a preferred embodiment of the above technical solution, the output end of the pump is fixedly connected to a shunt pipe, and the two sides of the shunt pipe are respectively fixedly connected to the sides of the two spray pipes, and a sleeve bracket is fixedly installed on the top of the lifting bracket. The design of the shunt pipe enables the output end of the pump to be connected to the two spray pipes.
[0012] As a preferred embodiment of the above technical solution, a storage barrel is fixedly installed on the inner wall of the sleeve bracket, and a motor is fixedly installed on the top of the storage barrel. The output shaft of the motor extends into the inner cavity of the storage barrel and is fixedly connected to a stirring shaft. The motor can drive the stirring shaft to rotate, thereby improving the uniformity of the coating inside the storage barrel.
[0013] As a preferred embodiment of the above technical solution, a feed pipe is fixedly connected to the top of the storage barrel, and the input end of the pump is fixedly connected to the bottom of the storage barrel. The design of the feed pipe facilitates users to add paint into the storage barrel.
[0014] Compared with the prior art, the beneficial effects of the utility model are:
[0015] The utility model adopts the design of an electrostatic generator, which can generate static electricity on the electrostatic adsorption rod after it works. The phenomenon of electrostatic induction will cause fine impurities on the spraying surface of the base cloth to be adsorbed onto the electrostatic adsorption rod, thereby avoiding the problem that fine impurities will affect the spraying effect and cause the coating quality to be affected. Through the connection relationship design of the slide seat and the sliding seat, the user can slide the electrostatic adsorption rod as a whole to the rear of the coating workbench, thereby facilitating the user to carry out subsequent cleaning treatment of the impurities adsorbed on the electrostatic adsorption rod. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a three-dimensional diagram of the utility model;
[0017] Figure 2 It is a structural schematic diagram of the slide seat and the sliding seat of the utility model;
[0018] Figure 3 This is a schematic diagram of the separation structure of the hollow pipe and the plug-in square pipe of the utility model;
[0019] Figure 4 This is a schematic diagram of the separation structure of the lifting bracket and the spray pipe of the utility model;
[0020] Figure 5 It is a schematic diagram of the cutaway structure of the material storage barrel of the utility model.
[0021] In the figure: 1. coating workbench; 11. support seat; 12. base cloth support roller; 2. spray surface cleaning mechanism; 21. support rod; 22. slide seat; 23. sliding seat; 24. insulating rod; 25. electrostatic adsorption rod; 26. electrostatic generator; 27. support frame; 28. hollow pipe; 281. plug-in square pipe; 282. arc hollow plate; 283. arc fiber filter; 29. suction fan; 3. spray processing mechanism; 31. lifting bracket; 32. spray pipe; 33. nozzle; 34. pump; 35. diversion pipe; 36. socket bracket; 37. storage barrel; 371. feed pipe; 372. motor; 373. stirring shaft. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.
[0023] like Figure 1-2As shown, the utility model provides a technical solution: a coating device for polymer lithium battery production, comprising a coating workbench 1, a support seat 11 is fixedly installed on the top of the coating workbench 1, and a base cloth support roller 12 is rotatably connected to the end of the support seat 11, a spray surface cleaning mechanism 2 is arranged on the top of the coating workbench 1, and a spray processing mechanism 3 located on the right side of the spray surface cleaning mechanism 2 is arranged on the top of the coating workbench 1, and the spray surface cleaning mechanism 2 comprises a support rod 21 and a support frame 27, the support rod 21 is welded to the top of the coating workbench 1, a slide groove seat 22 is fixedly installed on the left end of the support rod 21, a sliding seat 23 is slidably connected to the inner wall of the slide groove seat 22, and an electrostatic generator 26 is fixedly installed on the top of the sliding seat 23, and a sliding frame 27 is provided on the top of the sliding seat 23. An insulating rod 24 is fixedly installed at the bottom of the moving seat 23, and an end of the insulating rod 24 away from the sliding seat 23 is fixedly connected to an electrostatic adsorption rod 25. The working end of the electrostatic generator 26 is electrically connected to the top of the electrostatic adsorption rod 25. Controlling the operation of the electrostatic generator 26 can generate static electricity on the electrostatic adsorption rod 25. Due to the phenomenon of electrostatic induction, fine impurities on the spray surface of the base cloth are adsorbed onto the electrostatic adsorption rod 25 to ensure the quality of coating. The electrostatic generator 26 is an existing structure, and its model can be set to PESD6020. Through the connection relationship design between the slide seat 22 and the sliding seat 23, it is convenient for users to slide the electrostatic adsorption rod 25 backward for cleaning, and it is also convenient for users to disassemble and maintain the electrostatic generator 26 as a whole.
[0024] As an implementation method in this embodiment, Figure 3 As shown, the support frame 27 is fixedly installed on the back of the coating workbench 1, the top of the support frame 27 is fixedly installed with a hollow pipe 28, the back of the hollow pipe 28 is fixedly connected with a suction fan 29, the top of the hollow pipe 28 is movably plugged with a plug-in square tube 281, the top of the plug-in square tube 281 is fixedly connected with an arc-shaped hollow plate 282, and the inner wall of the arc-shaped hollow plate 282 is fixedly installed with an arc-shaped fiber filter 283, and the electrostatic adsorption rod 25 is slid backward in advance so that the electrostatic adsorption rod 25 slides to the inner side of the arc-shaped fiber filter 283. When the electrostatic generator 26 is turned off, the suction fan 29 is controlled to work and air is sucked from the arc-shaped fiber filter 283. Impurities on the surface of the electrostatic adsorption rod 25 can be adsorbed to the inner wall of the arc-shaped fiber filter 283, thereby realizing the function of convenient cleaning. After the electrostatic adsorption rod 25 is reset, the arc-shaped hollow plate 282 can be pulled out from the top of the hollow pipe 28 as a whole, and then the impurities on the inner wall of the arc-shaped fiber filter 283 can be cleaned.
[0025] As an implementation method in this embodiment, Figure 4-5As shown, the spraying treatment mechanism 3 includes a lifting bracket 31, which is fixedly installed on the top of the coating workbench 1 and is located on the right side of the support rod 21. A spray pipe 32 is fixedly installed on the inner wall of the lifting bracket 31, and a nozzle 33 is fixedly connected to the bottom of the spray pipe 32. A pump 34 is fixedly installed on the top of the lifting bracket 31, and a shunt pipe 35 is fixedly connected to the output end of the pump 34. The two sides of the shunt pipe 35 are respectively fixedly connected to the side surfaces of the two spray pipes 32. A sleeve bracket 36 is fixedly installed on the top of the lifting bracket 31, and a storage barrel 37 is fixedly installed on the inner wall of the sleeve bracket 36. A motor 372 is fixedly installed on the top of the storage barrel 37, and the output shaft of the motor 372 extends to the storage barrel 3 7 and is fixedly connected with a stirring shaft 373, a feeding pipe 371 is fixedly connected to the top of the storage barrel 37, and the input end of the pump 34 is fixedly connected to the bottom of the storage barrel 37, and the paint can be added to the inner cavity of the storage barrel 37 from the feeding pipe 371. After the adding is completed, the external dust plug can be plugged into the top of the feeding pipe 371, and the motor 372 is controlled to drive the stirring shaft 373 to rotate, so that the paint inside the storage barrel 37 can be continuously mixed to improve the uniformity of the paint, and the pump 34 is controlled to work to extract the paint inside the storage barrel 37 and then output it from the bottom of the nozzle 33 to realize the coating function. The nozzles 33 on the two spraying pipes 32 are installed in a staggered manner to improve the uniformity of spraying.
[0026] Working principle: This structure is installed on an external coating production line so that the base cloth moves through the top of two coating workbenches 1. The electrostatic generator 26 is controlled to generate static electricity on the electrostatic adsorption rod 25. Due to the phenomenon of electrostatic induction, the fine impurities on the spray surface of the base cloth are adsorbed onto the electrostatic adsorption rod 25, thereby realizing the function of electrostatic cleaning. The paint is added to the inner cavity of the storage barrel 37 from the feed pipe 371 in advance, and the pump 34 is controlled to extract the paint inside the storage barrel 37 and output it from the bottom of the nozzle 33 to realize the coating function.
[0027] The above embodiments are only used to illustrate the technical solution of the present invention, but not to limit it.
Claims
1. A coating device for polymer lithium battery production, comprising a coating workbench (1), characterized in that: A support seat (11) is fixedly mounted on the top of the coating workbench (1), and a base fabric support roller (12) is rotatably connected to the end of the support seat (11). A spray surface cleaning mechanism (2) is arranged on the top of the coating workbench (1), and a spray processing mechanism (3) is arranged on the right side of the spray surface cleaning mechanism (2). The spray surface cleaning mechanism (2) comprises a support rod (21) and a support frame (27), wherein the support rod (21) is welded to the top of the coating workbench (1), a slide groove seat (22) is fixedly installed at the left end of the support rod (21), a sliding seat (23) is slidably connected to the inner wall of the slide groove seat (22), an electrostatic generator (26) is fixedly installed on the top of the sliding seat (23), an insulating rod (24) is fixedly installed on the bottom of the sliding seat (23), an end of the insulating rod (24) away from the sliding seat (23) is fixedly connected to an electrostatic adsorption rod (25), and a working end of the electrostatic generator (26) is electrically connected to the top of the electrostatic adsorption rod (25).
2. A coating device for polymer lithium battery production according to claim 1, characterized in that: The support frame (27) is fixedly mounted on the back of the coating workbench (1); a hollow pipe (28) is fixedly mounted on the top of the support frame (27); and a suction fan (29) is fixedly connected to the back of the hollow pipe (28).
3. A coating device for polymer lithium battery production according to claim 2, characterized in that: A plug-in square tube (281) is movably plugged into the top of the hollow pipe (28), a curved hollow plate (282) is fixedly connected to the top of the plug-in square tube (281), and a curved fiber filter (283) is fixedly installed on the inner wall of the curved hollow plate (282).
4. A coating device for polymer lithium battery production according to claim 1, characterized in that: The spraying treatment mechanism (3) comprises a lifting bracket (31), which is fixedly mounted on the top of the coating workbench (1) and located on the right side of the support rod (21), a spray pipe (32) is fixedly mounted on the inner wall of the lifting bracket (31), a nozzle (33) is fixedly connected to the bottom of the spray pipe (32), and a pump (34) is fixedly mounted on the top of the lifting bracket (31).
5. A coating device for polymer lithium battery production according to claim 4, characterized in that: The output end of the pump (34) is fixedly connected to a shunt pipe (35), and the two sides of the shunt pipe (35) are respectively fixedly connected to the side surfaces of the two spray pipes (32), and a sleeve bracket (36) is fixedly installed on the top of the lifting bracket (31).
6. A coating device for polymer lithium battery production according to claim 5, characterized in that: A material storage barrel (37) is fixedly mounted on the inner wall of the sleeve bracket (36), a motor (372) is fixedly mounted on the top of the material storage barrel (37), and an output shaft of the motor (372) extends into the inner cavity of the material storage barrel (37) and is fixedly connected to a stirring shaft (373).
7. A coating device for polymer lithium battery production according to claim 6, characterized in that: The top of the material storage barrel (37) is fixedly connected with a feed pipe (371), and the input end of the pump (34) is fixedly connected to the bottom of the material storage barrel (37).
Citation Information
Patent Citations
Coating device for lithium ion battery diaphragm production
CN217369063U