Battery cell liquid injection hole processing device

Abstract

The utility model discloses a battery cell liquid injection hole processing device which comprises a processing table, a cleaning mechanism, a brush processing mechanism and a driving mechanism, wherein the processing table is provided with a battery cell storage groove; the cleaning mechanism and the brush processing mechanism are positioned on the processing table; the cleaning mechanism comprises a cleaning support, a cleaning driving part arranged on the cleaning support and a cleaning brush connected with the cleaning driving part, and the driving mechanism is connected with the cleaning support and drives the cleaning support to perform position switching between the brush processing mechanism and the battery cell; the brush treatment mechanism comprises an air supply module and a protection cylinder communicating with the air supply module. According to the scheme, after the battery cell liquid injection hole is cleaned, the cleaning brush can be cleaned through the brush treatment mechanism. By means of rotation of the driving motor and blowing of the air supply module, residual cleaning liquid on the cleaning brush can be cleaned away, and the situation that the used cleaning liquid adheres to the cleaning brush, and consequently the follow-up cleaning work of the battery cell liquid injection hole is affected is avoided.

Description

Technical Field

[0001] This utility model relates to the field of battery cell liquid injection hole treatment, and more specifically, to a battery cell liquid injection hole treatment device. Background Technology

[0002] After the battery cell is filled with electrolyte, residual electrolyte remains around the filling hole. During the high-temperature settling and formation process, the electrolyte in the filling hole crystallizes and becomes difficult to clean. This crystallization can cause bursts during the sealing welding process, leading to battery leakage. Therefore, cleaning the filling hole before sealing welding becomes extremely important.

[0003] A square lithium-ion battery filling hole cleaning device (publication number CN213194724U) simulates manual rotation cleaning, achieving good cleaning results for the battery filling hole and allowing for the brush to be squeezed out, thus extending the replacement cycle. However, this method removes the cleaning fluid from the brush through squeezing. Since the cleaning fluid is mostly water molecules, which have surface tension, and considering the capillary action of the brush and the wettability of water, it is difficult to completely remove the cleaning fluid from the inside of the brush by squeezing. The cleaning fluid has already undergone a chemical reaction after cleaning the electrolyte; if it is not completely removed from the brush, it will affect subsequent cleaning processes. Utility Model Content

[0004] The purpose of this utility model is to provide a battery cell liquid injection hole processing device to solve the technical problems existing in the background art.

[0005] This utility model provides a battery cell injection hole processing device, including a processing table with a battery cell storage tank, a cleaning mechanism, a brush processing mechanism, and a driving mechanism located on the processing table;

[0006] The cleaning mechanism includes a cleaning bracket, a cleaning drive unit disposed on the cleaning bracket, and a cleaning brush connected to the cleaning drive unit. The drive unit is connected to the cleaning bracket and drives the cleaning bracket to switch positions between the brush processing mechanism and the battery cell.

[0007] The brush processing mechanism includes an air supply module and a protective cylinder connected to the air supply module, as well as a flow guiding component located below the protective cylinder.

[0008] In a preferred embodiment, the cleaning drive unit includes a drive cylinder, a lifting plate connected to the output end of the drive cylinder, and a drive motor mounted on the lifting plate, the output end of the drive motor being connected to the cleaning brush.

[0009] In a preferred embodiment, a plurality of drive motors are arranged along the length of the lifting plate, and a cleaning brush is installed on each drive motor, the cleaning brush corresponding to the position of the battery cell injection hole.

[0010] In a preferred embodiment, the processing table is provided with limiting grooves on both sides, the cleaning bracket is inserted into the two limiting grooves on both sides respectively, and is slidably connected to the limiting grooves, and the driving mechanism includes a second driving cylinder.

[0011] In a preferred embodiment, the air supply module includes an air pump, a connecting pipe connected to the air pump, an air delivery pipe connected to the connecting pipe, and a plurality of air delivery heads spaced apart on the air delivery pipe, with one side of each air delivery head located inside the protective cylinder.

[0012] In a preferred embodiment, the air delivery head is trumpet-shaped.

[0013] In a preferred embodiment, the flow guiding component includes a flow guiding channel, a flow guiding slope is provided in the flow guiding channel, and a liquid collection tank is provided at the bottom of the flow guiding channel.

[0014] In a preferred embodiment, a limiting plate is provided in the battery cell storage tank, and a threaded rod is connected to the limiting plate. The threaded rod passes through the side of the processing table, and a hand-cranked turntable is connected to the end of the threaded rod. The length of the limiting plate is adapted to the length of the battery cell storage tank.

[0015] The beneficial effects of this utility model's technical solution are:

[0016] After cleaning the electrolyte injection holes of the battery cells, this solution allows for the cleaning of the cleaning brushes via a brush treatment mechanism. By using the rotation of the drive motor and the blowing of the air supply module, residual cleaning fluid on the cleaning brushes can be removed, preventing used cleaning fluid from adhering to the brushes and affecting subsequent cleaning of the battery cell electrolyte injection holes. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0018] Figure 2 This is a schematic diagram of the overall structure of this utility model from another perspective.

[0019] Figure 3 This is a schematic diagram of the processing table structure of this utility model.

[0020] Figure 4 This is a cross-sectional view of the protective cylinder of this utility model.

[0021] Figure 5 This is a schematic diagram of the flow guiding component of this utility model.

[0022] Explanation of reference numerals in the attached drawings: 1. Processing table; 2. Battery cell storage tank; 3. Cleaning mechanism; 4. Cleaning bracket; 5. Drive cylinder one; 6. Lifting plate; 7. Drive motor; 8. Cleaning brush; 9. Battery cell; 10. Limiting groove; 11. Drive cylinder two; 12. Brush processing mechanism; 13. Air pump; 14. Connecting pipe; 15. Air supply pipe; 16. Air supply head; 17. Protective cylinder; 18. Guide groove; 19. Guide ramp; 20. Liquid collection tank; 21. Limiting plate; 22. Threaded rod; 23. Hand-cranked turntable; 24. Placement groove. Detailed Implementation

[0023] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described to better illustrate the principles and practical applications of the present invention, and to enable those skilled in the art to understand the present invention and design various embodiments with various modifications suitable for a particular purpose.

[0024] like Figures 1-5 As shown, the present invention provides a battery cell injection hole processing device, including a processing table 1 with a battery cell storage tank 2, a cleaning mechanism 3 and a brush processing mechanism 12 located on the processing table 1, and a driving mechanism.

[0025] A limiting plate 21 is provided inside the battery cell storage tank 2. A threaded rod 22 is connected to the limiting plate 21, passing through the side of the processing table 1. A hand-cranked turntable 23 is connected to the end of the threaded rod. The length of the limiting plate 21 is adapted to the length of the battery cell storage tank 2. The battery cell 9 is placed in the battery cell storage tank 2. By rotating the hand-cranked turntable 23, the threaded rod 22 is rotated, thereby causing the limiting plate 21 to move closer to the battery cell 9 and fixing the position of the battery cell 9. Then, the battery cell is cleaned through the multiple battery cell injection holes by the cleaning mechanism 3, and then processed by the brush processing mechanism 12.

[0026] The cleaning mechanism 3 includes a cleaning bracket 4, a cleaning drive unit mounted on the cleaning bracket 4, and a cleaning brush 8 connected to the cleaning drive unit. The drive unit is connected to the cleaning bracket 4 and drives the cleaning bracket 4 to switch positions between the brush processing mechanism 12 and the battery cell. The cleaning drive unit includes a drive cylinder 5, a lifting plate 6 connected to the output end of the drive cylinder 5, and a drive motor 7 mounted on the lifting plate 6. The output end of the drive motor 7 is connected to the cleaning brush 8. Several drive motors 7 are arranged along the length of the lifting plate 6, and one cleaning brush 8 is mounted on each drive motor 7. The cleaning brush 8 corresponds to the position of the battery cell's liquid injection hole.

[0027] In the above solution, before cleaning, cleaning fluid is sprayed into the electrolyte injection hole of the battery cell. Then, driven by the drive cylinder 5, the lifting plate 6 moves towards the battery cell 9 until the cleaning brush 8 is located at the injection hole. Next, the pneumatic drive motor 7 rotates the cleaning brush 8 to clean the electrolyte at the injection hole. This solution can simultaneously clean multiple battery cell injection holes, resulting in high cleaning efficiency. After cleaning, a significant amount of cleaning fluid will adhere to the cleaning brush 8, which needs to be removed promptly to avoid affecting subsequent cleaning. This solution uses a brush processing mechanism 12 to process the cleaning brush 8.

[0028] The processing table 1 has limiting grooves 10 on both sides. The cleaning bracket 4 is inserted into the two limiting grooves 10 on both sides and is slidably connected to the limiting grooves 10. The driving mechanism includes a second driving cylinder 11. The second driving cylinder 11 drives the cleaning bracket 4 to move along the trajectory defined by the limiting grooves 10 and to the brush processing mechanism 12 for cleaning.

[0029] The brush processing mechanism 12 includes an air supply module and a protective cylinder 17 connected to the air supply module, as well as a flow guiding component located below the protective cylinder 17. The air supply module includes an air pump 13, a connecting pipe 14 connected to the air pump 13, and an air delivery pipe 15 connected to the connecting pipe 14, and a plurality of air delivery heads 16 spaced apart on the air delivery pipe 15. One side of each air delivery head 16 is located inside the protective cylinder 17, and the air delivery head 16 is funnel-shaped.

[0030] In the above scheme, after the cleaning brush 8 moves above the protective cylinder 17, the drive cylinder 5 drives the lifting plate 6 to descend, allowing the cleaning brush 8 to be inserted into the protective cylinder 17. Then, the drive motor 7 drives the cleaning brush to rotate. Under centrifugal force, most of the cleaning liquid will be thrown out of the cleaning brush and enter the guide assembly. Next, the speed of the drive motor is reduced, allowing the cleaning brush to rotate slowly. Then, the air pump 13 is started, and high-pressure gas passes through the connecting pipe 14 and the air delivery pipe 15 to reach the air delivery head 16. Air is blown into the protective cylinder 17 through the air delivery head 16, which is funnel-shaped to increase the contact area between the gas and the cleaning brush, ensuring a more thorough cleaning with the cleaning liquid. During the blowing process, the cleaning liquid on the surface of the cleaning brush will detach and flow into the guide assembly at the bottom of the protective cylinder 17. The guide assembly includes a guide channel 18, in which a guide ramp 19 is provided, and a collection pool 20 is provided at the bottom of the guide channel 18. After the cleaning fluid enters the guide channel 18, it flows along the guide slope 19 to the collection tank 20 for collection. The collection tank 20 is placed in the placement tank 24 and can be removed and the collected fluid poured out periodically.

[0031] After cleaning the electrolyte injection holes of the battery cells, the cleaning brush 8 can be cleaned by the brush treatment mechanism 12. By using the rotation of the drive motor 7 and the blowing of the air supply module, the residual cleaning fluid on the cleaning brush 8 can be removed, preventing used cleaning fluid from adhering to the cleaning brush 8 and affecting the subsequent cleaning of the electrolyte injection holes of the battery cells.

[0032] Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art and related fields based on the embodiments of this utility model without creative effort should fall within the protection scope of this utility model. Structures, devices, and operating methods not specifically described and explained in this utility model, unless otherwise specified or limited, shall be implemented according to conventional means in the art.

Claims

1. A battery cell electrolyte injection hole processing device, characterized in that: It includes a processing table with a battery cell storage tank, a cleaning mechanism, a brush processing mechanism, and a drive mechanism located on the processing table; The cleaning mechanism includes a cleaning bracket, a cleaning drive unit disposed on the cleaning bracket, and a cleaning brush connected to the cleaning drive unit. The drive unit is connected to the cleaning bracket and drives the cleaning bracket to switch positions between the brush processing mechanism and the battery cell. The brush processing mechanism includes an air supply module and a protective cylinder connected to the air supply module, as well as a flow guiding component located below the protective cylinder.

2. The battery cell electrolyte injection hole processing device according to claim 1, characterized in that: The cleaning drive unit includes a drive cylinder, a lifting plate connected to the output end of the drive cylinder, and a drive motor mounted on the lifting plate. The output end of the drive motor is connected to the cleaning brush.

3. The battery cell electrolyte injection hole processing device according to claim 2, characterized in that: Several drive motors are arranged along the length of the lifting plate, and a cleaning brush is installed on each drive motor. The cleaning brush corresponds to the position of the battery cell injection hole.

4. The battery cell electrolyte injection hole processing device according to claim 1, characterized in that: The processing table is provided with limit grooves on both sides, and the cleaning bracket is inserted into the two limit grooves on both sides and is slidably connected to the limit grooves. The driving mechanism includes a second driving cylinder.

5. The battery cell electrolyte injection hole processing device according to claim 1, characterized in that: The air supply module includes an air pump, a connecting pipe connected to the air pump, an air delivery pipe connected to the connecting pipe, and a plurality of air delivery heads spaced apart on the air delivery pipe, with one side of each air delivery head located inside the protective cylinder.

6. The battery cell electrolyte injection hole processing device according to claim 5, characterized in that: The air delivery head is trumpet-shaped.

7. The battery cell electrolyte injection hole processing device according to claim 1, characterized in that: The flow guiding component includes a flow guiding channel, a flow guiding slope is provided inside the flow guiding channel, and a liquid collection tank is provided at the bottom of the flow guiding channel.

8. The battery cell electrolyte injection hole processing device according to claim 1, characterized in that: A limiting plate is provided inside the battery cell storage tank. A threaded rod is connected to the limiting plate. The threaded rod passes through the side of the processing table. A hand-cranked turntable is connected to the end of the threaded rod. The length of the limiting plate is adapted to the length of the battery cell storage tank.

Images