Lithium battery pole piece coating forming equipment
The design of the lithium battery electrode coating and forming equipment solves the problems of large space occupation and unsuitability for solid-state lithium batteries of traditional equipment. It realizes uniform coating and temperature control of battery electrodes, improving production efficiency and electrode quality.
Patent Information
- Application Number
- CN202422936527.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-11-14
- Estimated Expiration
- 2034-11-29
AI Technical Summary
Existing lithium battery electrode production equipment occupies a large space, has high procurement costs, high energy consumption, and is not suitable for solid-state lithium battery electrode preparation, resulting in low production efficiency and poor safety.
A lithium battery electrode coating and forming equipment is used, including a mounting frame, a transmission assembly, a rolling assembly, and a winding roller. The battery electrode material is brought in by a second steel belt, and multiple sets of rolling assemblies and temperature regulating plates are used to achieve uniform rolling and temperature regulation of the material. Support rollers are used to support the material to improve production efficiency.
It achieves uniform coating and temperature control of battery electrode materials, improves electrode quality and production speed, is suitable for the preparation of solid-state lithium battery electrodes, and reduces equipment space and cost.
Smart Images
Figure CN223552544U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the technical field of electrode coating, and in particular discloses a lithium battery electrode coating and forming equipment. Background Technology
[0002] With the continuous development of lithium batteries, the requirements for production scale, production efficiency and product quality are also getting higher and higher. The production of lithium battery electrodes is an important part of this process. However, most of the equipment used for lithium battery electrode production on the current lithium battery market is liquid lithium battery equipment. This production facility not only occupies a large space and has high procurement costs, but also produces cells with low energy density and poor safety. It requires the use of independent high-power ovens and coating equipment to prepare lithium electrode sheets, resulting in high energy consumption.
[0003] With the development of technology and changes in market demand and processes, traditional equipment is no longer suitable for the preparation of solid-state lithium battery electrodes, making the preparation of solid-state battery electrodes a challenge for the industry. Utility Model Content
[0004] To facilitate the preparation of solid-state lithium battery electrodes, this application provides a lithium battery electrode coating and forming device.
[0005] This application provides a lithium battery electrode coating and forming equipment, which adopts the following technical solution:
[0006] A lithium battery electrode coating and forming equipment includes a mounting frame, a first transmission component, a second transmission component, a rolling component, and a take-up roller. The first transmission component, the second transmission component, the rolling component, and the take-up roller are all mounted on the mounting frame, and the second transmission component is located below the first transmission component.
[0007] The first transmission assembly includes a first driving roller, a first driven roller, and a first steel belt. The first driving roller and the first driven roller are spaced apart, and the first steel belt is sleeved on the first driving roller and the first driven roller.
[0008] The second transmission assembly includes a second driving roller, a second driven roller, and a second steel strip. The second driving roller and the second driven roller are spaced apart, and the second steel strip is sleeved on the second driving roller and the second driven roller. The first steel strip is located below the second steel strip.
[0009] The roll forming assembly includes two rolls mounted on a mounting frame, one roll being located inside a first steel strip and the other roll being located inside a second steel strip.
[0010] By adopting the above technical solution, the mixed battery electrode material is spread on the second steel strip and carried between the second steel strip and the first steel strip. The material is adjusted to a suitable thickness through the gap between the second steel strip and the first steel strip. The material between the first steel strip and the second steel strip is rolled by a pressure roller until the material is of uniform thickness and can be rolled into a film, which completes the purpose of material coating and forming.
[0011] Optionally, the rolling assembly may be provided in multiple sets.
[0012] By adopting the above technical solution, multiple sets of rolling components are set up. These multiple sets of rolling components can repeatedly press the battery electrode material, thereby improving the quality of the manufactured battery electrode.
[0013] Optionally, it also includes a feed trough, which is fixed to the mounting frame and is located on the upper surface of the first steel strip away from the take-up roller.
[0014] By adopting the above technical solution, the battery electrode material is evenly distributed on the second steel strip through the material tank, which facilitates the manufacturing of the battery electrode.
[0015] Optionally, it also includes a temperature regulating plate, which is installed in the mounting frame and located within the second steel strip.
[0016] By adopting the above technical solution, the temperature regulating plate can regulate and soften the battery electrode material on the second steel strip, which facilitates the production of battery electrodes.
[0017] Optionally, a support roller is also included, which is installed in the mounting frame and is used to support the upper half of the second steel strip.
[0018] By adopting the above technical solution, the support roller can support the second steel strip, allowing more battery electrode material to be placed on the second steel strip, thereby increasing the production speed of battery electrodes.
[0019] Optionally, each of the support rollers and the temperature regulating plate is provided in multiples, and the support rollers and the temperature regulating plate are arranged alternately.
[0020] By adopting the above technical solution, the distribution of the support rollers is more uniform, thus improving the support effect of the support rollers.
[0021] In summary, this application includes at least one of the following beneficial technical effects:
[0022] 1. The mixed battery electrode material is spread on the second steel strip and carried between the second steel strip and the first steel strip. The material is adjusted to a suitable thickness through the gap between the second steel strip and the first steel strip. The material between the first steel strip and the second steel strip is rolled by the pressure roller until the material is of uniform thickness and can be rolled into a film. This completes the purpose of material coating and forming.
[0023] 2. The temperature regulating plate can regulate the temperature and soften the battery electrode material on the second steel strip, which facilitates the production of battery electrodes;
[0024] 3. The support roller can support the second steel strip, allowing more battery electrode material to be placed on the second steel strip, thus increasing the production speed of battery electrodes. Attached Figure Description
[0025] Figure 1 This is a schematic diagram of the overall structure of this application.
[0026] Figure 2 This is a schematic diagram of the internal structure of this application.
[0027] Explanation of reference numerals in the attached drawings: 1. Mounting frame; 2. First transmission assembly; 21. First driving roller; 22. First driven roller; 23. First steel strip; 3. Second transmission assembly; 31. Second driving roller; 32. Second driven roller; 33. Second steel strip; 4. Roller assembly; 41. Pressure roller; 5. Rewinding roller; 6. Feed trough; 7. Temperature regulating plate; 8. Support roller. Detailed Implementation
[0028] The following is in conjunction with the appendix Figure 1 and Figure 2 This application will be described in further detail.
[0029] This application discloses a lithium battery electrode coating and forming apparatus. (Refer to...) Figure 1 and Figure 2 A lithium battery electrode coating and forming equipment includes a mounting frame 1, a first transmission component 2, a second transmission component 3, a roller pressing component 4, a winding roller 5, a material trough 6, a temperature regulating plate 7, and a support roller 8.
[0030] Reference Figure 1 and Figure 2 The first transmission assembly 2, the second transmission assembly 3, the roller pressing assembly 4, the take-up roller 5, the trough 6, the temperature regulating plate 7, and the support roller 8 are all mounted on the mounting frame 1. The second transmission assembly 3 is located below the first transmission assembly 2. The take-up roller 5 is located on the discharge side of the second transmission assembly 3. The first transmission assembly 2 includes a first driving roller 21, a first driven roller 22, and a first steel strip 23. The first driving roller 21 and the first driven roller 22 are spaced apart, and both are rotatably connected to the mounting frame 1. The first steel strip 23 is sleeved on the first driving roller 21 and the first driven roller 22. The second transmission assembly 3 includes a second driving roller 31, a second driven roller 32, and a second steel strip 33. The second driving roller 31 and the second driven roller 32 are spaced apart, and both are rotatably connected to the mounting frame 1. The second steel strip 33 is sleeved on the second driving roller 31 and the second driven roller 32. The first steel strip 23 is located below the second steel strip 33.
[0031] Reference Figure 1 and Figure 2 The mixed battery electrode material is spread on the second steel strip 33 and carried between the second steel strip 33 and the first steel strip 23. The material is adjusted to a suitable thickness through the gap between the second steel strip 33 and the first steel strip 23. The roller pressing assembly 4 rolls the material between the first steel strip 23 and the second steel strip 33 until the material is rolled to a uniform thickness. The material can be wound into a film by the winding roller 5, which completes the material coating and forming process.
[0032] Reference Figure 1 and Figure 2 Multiple sets of roller pressing assemblies 4 are arranged at intervals. Roller pressing assembly 4 includes pressure rollers 41 mounted on mounting frame 1. Two pressure rollers 41 are provided. One pressure roller 41 is located inside the first steel strip 23, and the other pressure roller 41 is located inside the second steel strip 33. The pressure rollers 41 roll the material between the first steel strip 23 and the second steel strip 33, enabling the material to be rolled to a uniform thickness.
[0033] Reference Figure 1 and Figure 2 The feed trough 6 has a feed inlet at its bottom and contains battery electrode material. The feed trough 6 is used to evenly distribute the battery electrode material on the upper surface of the second steel strip 33. The feed trough 6 is located on the side of the upper surface of the second steel strip 33 away from the take-up roller 5. A temperature regulating plate 7 and a support roller 8 are located between the feed trough 6 and the take-up roller 5. The temperature regulating plate 7 and the support roller 8 are located within the second steel strip 33. The temperature regulating plate 7 is used to regulate and soften the battery electrode material on the second steel strip 33. The support roller 8 is used to support the second steel strip 33. Multiple temperature regulating plates 7 and support rollers 8 are provided, and they are arranged alternately.
[0034] The implementation principle of a lithium battery electrode coating and forming device according to an embodiment of this application is as follows: the mixed and stirred battery electrode material is evenly distributed on the second steel strip 33 through the material tank 6, and is carried by the second steel strip 33 into the space between the second steel strip 33 and the first steel strip 23. The material is adjusted to a suitable thickness through the gap between the second steel strip 33 and the first steel strip 23. The material between the first steel strip 23 and the second steel strip 33 is rolled by the pressure roller 41 until the material is rolled to a uniform thickness. The material can be rolled into a film by the winding roller 5, which completes the purpose of material coating and forming.
[0035] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.
Claims
1. A lithium battery electrode coating and forming equipment, characterized in that: It includes a mounting frame (1), a first transmission assembly (2), a second transmission assembly (3), a roll forming assembly (4), and a take-up roller (5). The first transmission assembly (2), the second transmission assembly (3), the roll forming assembly (4), and the take-up roller (5) are all mounted on the mounting frame (1), and the second transmission assembly (3) is located below the first transmission assembly (2). The first transmission assembly (2) includes a first driving roller (21), a first driven roller (22) and a first steel strip (23). The first driving roller (21) and the first driven roller (22) are spaced apart, and the first steel strip (23) is sleeved on the first driving roller (21) and the first driven roller (22). The second transmission assembly (3) includes a second driving roller (31), a second driven roller (32) and a second steel belt (33). The second driving roller (31) and the second driven roller (32) are spaced apart. The second steel belt (33) is sleeved on the second driving roller (31) and the second driven roller (32). The first steel belt (23) is located below the second steel belt (33). The roller pressing assembly (4) includes two pressure rollers (41) mounted on the mounting frame (1), one of the pressure rollers (41) being located inside the first steel strip (23) and the other of the pressure rollers (41) being located inside the second steel strip (33).
2. The lithium battery electrode coating and forming equipment according to claim 1, characterized in that: The roller pressing assembly (4) is provided with multiple sets.
3. The lithium battery electrode coating and forming equipment according to claim 1, characterized in that: It also includes a feed trough (6), which is fixed to the mounting frame (1) and is located on the upper surface of the first steel strip (23) away from the take-up roller (5).
4. The lithium battery electrode coating and forming equipment according to claim 1, characterized in that: It also includes a temperature regulating plate (7), which is installed in the mounting frame (1) and is located in the second steel strip (33).
5. The lithium battery electrode coating and forming equipment according to claim 4, characterized in that: It also includes a support roller (8), which is installed in the mounting frame (1) and is used to support the upper part of the second steel strip (33).
6. The lithium battery electrode coating and forming equipment according to claim 5, characterized in that: Both the support roller (8) and the temperature regulating plate (7) are provided with one, and the support roller (8) and the temperature regulating plate (7) are arranged alternately.