A coating device for new energy battery processing

Abstract

This utility model discloses a coating device for processing new energy batteries, including: a coating box, the coating box having a conveying component inside, and the conveying component being symmetrical about the vertical central axis of the coating box; it also includes: a limiting mechanism for guiding the flow of ...

Description

Technical Field

[0001] This utility model relates to the field of battery processing technology, specifically a coating device for processing new energy batteries. Background Technology

[0002] Coating is a crucial step in the manufacturing of lithium-ion batteries, and its technological level and equipment performance directly affect the quality, performance, and production cost of the batteries. New energy battery coating involves precisely and uniformly coating a slurry containing active materials (such as positive and negative electrode materials), conductive agents, and binders onto the substrate of the battery electrode sheets (usually metal foil, such as copper or aluminum foil). This step is a preliminary process in lithium battery production and has a direct impact on the performance and quality of lithium batteries. Through the coating process, the production efficiency of electrode sheets can be improved, the quality of electrode sheets can be guaranteed, and production costs can be reduced. The coating equipment used in battery processing is the core equipment in lithium-ion battery production, and its performance directly affects the consistency, energy density, and safety of the battery electrodes.

[0003] Referring to Chinese Patent Publication No. CN221714719U, with a publication date of September 17, 2024, a coating apparatus for polymer battery processing is disclosed. This apparatus, through the configuration of the spraying components, allows for adjustment of the coating range based on the width of the roll material. Simply rotating the adjusting rods at both ends limits the rotation direction of the piston plate within the distribution tube, enabling the piston plate to move within the tube and divide its internal space. This prevents waste caused by excessively wide spraying width, resulting in some paint not being sprayed onto the roll material. Simultaneously, the nozzles are evenly distributed at the bottom of the distribution tube, ensuring uniform paint distribution on the roll material during coating.

[0004] However, during use, this utility model is inconvenient for guiding the battery electrode sheets. If the electrode sheets are tilted during the conveying process, the spray nozzle will gradually fail to spray the slurry onto the electrode sheets during continuous conveying. In addition, the battery slurry is prone to deposit during the coating process, which is not conducive to coating. Therefore, there is still room for further improvement.

[0005] Therefore, we propose a coating device for processing new energy batteries to solve the problems mentioned above. Utility Model Content

[0006] The purpose of this invention is to provide a coating device for processing new energy batteries, in order to solve the problems mentioned in the background art. In the process of using the invention, it is inconvenient to guide the battery electrode sheets. If the electrode sheets are tilted during the transportation process, the spray nozzle will gradually fail to spray the slurry onto the electrode sheets during continuous transportation. In addition, the battery slurry is prone to deposit on the battery electrode sheets during the coating process, which is not conducive to coating. Therefore, there is still room for further improvement.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a coating device for processing new energy batteries, comprising:

[0008] A coating box, wherein a conveying assembly is provided inside the coating box, and the conveying assembly is symmetrical about the vertical central axis of the coating box;

[0009] Also includes:

[0010] A limiting mechanism for guiding is provided on the right side of the coating box, and a connecting plate is provided on the right side of the coating box.

[0011] The coating box is equipped with a stirring mechanism above it to prevent sedimentation, and a drying mechanism is provided on the left side of the inside of the coating box to shorten the processing time. A material bucket is provided on the upper side of the coating box.

[0012] Preferably, the limiting mechanism is composed of a connecting plate, an arc-shaped guide plate, a bidirectional threaded rod, a first motor, and a limiting round rod. The arc-shaped guide plate is slidably connected inside the connecting plate, and the arc-shaped guide plate is symmetrical about the vertical central axis of the connecting plate. The arc-shaped guide plate is threadedly connected to the bidirectional threaded rod.

[0013] Preferably, the bidirectional threaded rod is fixedly connected to the output shaft of the first motor, and the first motor is located on the lower side of the connecting plate. The arc-shaped guide plate is slidably connected to the limiting round rod, and the limiting round rod is located on the lower side of the connecting plate.

[0014] Preferably, the stirring mechanism is composed of a material tank, a second motor, a connecting shaft, stirring blades and a feeding port. The second motor is provided on the upper side of the material tank, and the output shaft of the second motor is fixedly connected to the connecting shaft. Stirring blades are provided on the outer side of the connecting shaft, and a feeding port is provided on the upper side of the coating box.

[0015] Preferably, a spraying component and a leveling component are provided above the coating box, and the spraying component is located to the right of the leveling component.

[0016] Preferably, the drying mechanism is composed of a hot air blower, a vent pipe, a flow divider, and an exhaust port. The hot air blower is located on the upper side of the coating box and is fixedly connected to the vent pipe, which passes through the coating box.

[0017] Preferably, the lower side of the vent pipe is fixedly connected to the diverter plate, and the lower side of the diverter plate is provided with exhaust holes, which are distributed in an array.

[0018] Compared with the prior art, the beneficial effects of this utility model are as follows: This coating device for processing new energy batteries causes the bidirectional threaded rod to rotate, thereby causing the two arc-shaped guide plates to move towards each other. The limiting round rod plays a limiting role on the arc-shaped guide plates, making it convenient for the arc-shaped guide plates to move along the upper surface of the connecting plate. The second motor is started, and the second motor causes the connecting shaft to carry the stirring blades to stir, so that the slurry in the material bucket moves and prevents the slurry from settling. When the hot air blower is working, it generates hot air and then delivers it to the distribution plate, and finally discharges it from the exhaust hole, which can dry the electrode sheet and facilitate subsequent use.

[0019] 1. It is equipped with a connecting plate, an arc-shaped guide plate and a two-way threaded rod. The arc-shaped guide plate is set on the upper side of the connecting plate, and the arc-shaped guide plate is symmetrical about the vertical central axis of the connecting plate, which facilitates the adjustment of the distance between the arc-shaped guide plates.

[0020] 2. It is equipped with a bidirectional threaded rod, a first motor and a limiting round rod. When the first motor is started, the bidirectional threaded rod will rotate, thereby causing the two arc-shaped guide plates to move towards each other. The limiting round rod also limits the arc-shaped guide plates, making it easier for the arc-shaped guide plates to move along the upper surface of the connecting plate.

[0021] 3. It is equipped with a second motor, a connecting shaft and stirring blades. The second motor is located on the upper side of the material tank. When the second motor is started, the connecting shaft will drive the stirring blades to stir, so that the slurry in the material tank moves and prevents the slurry from settling.

[0022] 4. It is equipped with a conveying component, a spraying component, and a leveling component. The conveying component can convey the electrode sheet, the spraying component can coat the electrode sheet, and the leveling component can smooth the slurry on the electrode sheet, making it convenient to use.

[0023] 5. It is equipped with a hot air blower, a distribution plate, and an exhaust port. When the hot air blower is working, it generates hot air, which is then delivered into the distribution plate and finally discharged from the exhaust port, thus drying the electrode sheets for convenient subsequent use. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the right-side structure of this utility model;

[0025] Figure 2 This is a schematic diagram of the left-side structure of this utility model;

[0026] Figure 3 This is a schematic diagram of the structure of this utility model from below;

[0027] Figure 4 This is a schematic diagram of the cross-sectional structure of the material bucket of this utility model;

[0028] Figure 5 This is a cross-sectional bottom view of the coating box of this utility model;

[0029] Figure 6 This is a partial cross-sectional view of the coating box of this utility model.

[0030] In the diagram: 1. Coating box; 2. Connecting plate; 3. Arc-shaped guide plate; 4. Bidirectional threaded rod; 5. First motor; 6. Limiting rod; 7. Material bucket; 8. Second motor; 9. Connecting shaft; 10. Stirring blades; 11. Feeding port; 12. Conveying assembly; 13. Spraying assembly; 14. Scraping assembly; 15. Hot air blower; 16. Vent pipe; 17. Diverter plate; 18. Exhaust port. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0032] Please see Figure 1-6 As shown, this utility model provides a technical solution: a coating device for processing new energy batteries, comprising: a coating box 1, a connecting plate 2, an arc-shaped guide plate 3, a bidirectional threaded rod 4, a first motor 5, a limiting round rod 6, a material bucket 7, a second motor 8, a connecting shaft 9, a stirring blade 10, a feeding port 11, a conveying assembly 12, a spraying assembly 13, a scraping assembly 14, a hot air blower 15, a vent pipe 16, a flow divider 17, and an exhaust hole 18.

[0033] The existing utility model is inconvenient to guide the battery electrode sheets during use. If the electrode sheets are tilted during transportation, the spray nozzle will gradually fail to spray the slurry onto the electrode sheets during continuous transportation. In addition, the battery slurry is prone to deposit during the coating process, which is not conducive to coating. Therefore, there is still room for further improvement.

[0034] like Figure 1 , Figure 2 and Figure 3As shown, during use, the distance between the arc-shaped guide plates 3 and 3 is first adjusted to prevent the battery electrode sheets on the upper side of the connecting plate 2 from rubbing against the coating box 1 due to skewness during transportation, and to avoid the spraying assembly 13 from being inconvenient to spray the electrode sheets. Since the arc-shaped guide plates 3 slide on the upper side of the connecting plate 2 and are threadedly connected to the bidirectional threaded rod 4, the first motor 5 is started. The first motor 5 will cause the bidirectional threaded rod 4 to rotate, thereby causing the two arc-shaped guide plates 3 to move towards each other. The arc-shaped guide plates 3 are slidably connected to the limiting round rod 6 on the lower side of the connecting plate 2. Therefore, the limiting round rod 6 plays a limiting role for the arc-shaped guide plates 3, making it convenient for the arc-shaped guide plates 3 to move along the upper surface of the connecting plate 2, thereby facilitating the transportation of the electrode sheets.

[0035] It should be noted that the spacing between the arc-shaped guide plates 3 is adjustable, which makes it convenient to adjust the electrode sheets of different widths and has a wide range of applications.

[0036] like Figure 1 , Figure 2 , Figure 5 and Figure 6 As shown, after the electrode sheet is conveyed into the coating box 1, it is positioned on the upper side of the conveying assembly 12. Then, the electrode sheet passes through the left side of the coating box 1. The motor inside the conveying assembly 12 is started, and the motor drives the roller to rotate, thereby conveying the electrode sheet. Finally, the electrode sheet exits from the left side of the coating box 1. The spraying assembly 13 consists of a pump body, a connecting pipe, and a nozzle. When the pump body is working, the slurry in the material tank 7 is conveyed through the connecting pipe to the nozzle and then sprayed out to coat the electrode sheet. A leveling assembly 14 is provided on the left side of the spraying assembly 13. The leveling assembly 14 consists of a threaded rod, a scraper, and a vertical rod. Rotating the threaded rod allows the scraper to move up and down, and the vertical rod limits the scraper, making it easy to level the electrode sheet for drying and use.

[0037] like Figure 1 and Figure 4 As shown, the lower side of the material tank 7 is connected to the spraying assembly 13, and the upper side of the material tank 7 is provided with a feeding port 11. By opening the plug on the upper side of the feeding port 11, slurry can be added into the material tank 7. In addition, a second motor 8 is provided on the upper side of the material tank 7. When the second motor 8 is started, the second motor 8 will cause the connecting shaft 9 to rotate, which in turn causes the connecting shaft 9 to rotate the stirring blade 10, thereby stirring the slurry in the material tank 7, making the slurry in the material tank 7 move, preventing the slurry from settling, and facilitating coating.

[0038] like Figure 1 , Figure 5 and Figure 6As shown, after the electrode sheet is coated and smoothed, it will continue to be conveyed to the left inside the coating box 1 to start the hot air blower 15. When the hot air blower 15 is working, it will generate hot air, which will be conveyed into the ventilation pipe 16, then into the distributor plate 17, and finally discharged from the exhaust hole 18 on the lower side of the distributor plate 17. This hot air can dry the electrode sheet, which is convenient for subsequent winding.

[0039] The contents not described in detail in this specification are existing technologies known to those skilled in the art. All standard parts used in this utility model can be purchased from the market, and irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection methods in the prior art, which will not be described in detail here.

[0040] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A coating apparatus for processing new energy batteries, comprising: The coating box (1) is provided with a conveying assembly (12) inside, and the conveying assembly (12) is symmetrical about the vertical central axis of the coating box (1). Its characteristic is that it further includes: A limiting mechanism for dredging is provided on the right side of the coating box (1), and a connecting plate (2) is provided on the right side of the coating box (1). The coating box (1) is provided with a stirring mechanism for preventing sedimentation above it, and a drying mechanism for shortening the processing time is provided on the left side inside the coating box (1). A material bucket (7) is provided on the upper side of the coating box (1).

2. The coating device for new energy battery processing according to claim 1, characterized in that: The limiting mechanism is composed of a connecting plate (2), an arc-shaped guide plate (3), a bidirectional threaded rod (4), a first motor (5), and a limiting round rod (6). The arc-shaped guide plate (3) is slidably connected inside the connecting plate (2), and the arc-shaped guide plate (3) is symmetrical about the vertical central axis of the connecting plate (2). The arc-shaped guide plate (3) is threadedly connected to the bidirectional threaded rod (4).

3. The coating device for new energy battery processing according to claim 2, characterized in that: The bidirectional threaded rod (4) is fixedly connected to the output shaft of the first motor (5), and the first motor (5) is located on the lower side of the connecting plate (2). The arc-shaped guide plate (3) is slidably connected to the limiting round rod (6), and the limiting round rod (6) is located on the lower side of the connecting plate (2).

4. The coating device for new energy battery processing according to claim 1, characterized in that: The stirring mechanism is composed of a material tank (7), a second motor (8), a connecting shaft (9), stirring blades (10) and a feeding port (11). The material tank (7) is equipped with a second motor (8) on its upper side, and the output shaft of the second motor (8) is fixedly connected to the connecting shaft (9). The connecting shaft (9) is equipped with stirring blades (10) on its outer side, and the coating box (1) is equipped with a feeding port (11) on its upper side.

5. The coating device for new energy battery processing according to claim 1, characterized in that: The coating box (1) is provided with a spraying component (13) and a leveling component (14) above it, and the spraying component (13) is located to the right of the leveling component (14).

6. The coating device for new energy battery processing according to claim 1, characterized in that: The drying mechanism is composed of a hot air blower (15), an air vent (16), a flow divider (17) and an exhaust port (18). The hot air blower (15) is located on the upper side of the coating box (1), and the hot air blower (15) is fixedly connected to the air vent (16), and the air vent (16) passes through the coating box (1).

7. The coating device for new energy battery processing according to claim 6, characterized in that: The lower side of the vent pipe (16) is fixedly connected to the diverter plate (17), and the lower side of the diverter plate (17) is provided with exhaust holes (18), and the exhaust holes (18) are arranged in an array.

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