Electrolyte injection device for production of flame-retardant lithium ion battery

By designing an electrolyte injection device including a support base, a collection table, a clamping cylinder, a clamping plate, a extraction pump and an injection tube, the problem of unstable and corrosion risks of electrolyte injection in lithium-ion battery production is solved, and the stable injection and collection of electrolyte is achieved, and production safety and efficiency are improved.

CN222813920UActive Publication Date: 2025-04-29HENAN PAN INNOVATION ENERGY TECH CO LTD
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Patent Information

Application Number
CN202421450391.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-24
Publication Date
2025-04-29
Estimated Expiration
2034-06-24

AI Technical Summary

Technical Problem

During the production process of lithium-ion batteries, the electrolyte injection equipment has poor stability effect, which causes the electrolyte to be exposed from the inside of the battery or not fully collected, causing corrosion risks and affecting safety.

Method used

An electrolyte injection device including a support base, a collection table, a clamping cylinder, a clamping plate, a extraction pump and an injection tube is designed. The device ensures the limit and tight clamping of the battery housing by clamping cylinders and clamping plates to ensure stable injection of electrolyte; collects residual electrolyte through the collection table and collection box to avoid corrosion; and achieves flexible connection and stable injection through telescopic tubes and extraction pumps.

Benefits of technology

This device enhances the limiting effect of electrolyte injection, ensures stable injection and collection of electrolyte, avoids the risk of corrosion of electrolyte, and improves the safety and efficiency of battery production.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of battery production, and discloses an electrolyte injection device for flame-retardant lithium ion battery production, which comprises a support base, two sides of the top end of the support base are fixedly connected with support frames, the top end of the support base is provided with a collection table, a first collection box is arranged in the collection table, and a second collection box is arranged in the collection table. Clamping air cylinders are installed on the two sides of the interior of the supporting frame, the output ends of the clamping air cylinders are fixedly connected with a clamping plate, a clamping pad is installed on one side of the clamping plate, a draw-off pump is installed at the top end of the supporting frame, and the output end of the draw-off pump is fixedly connected with an injection pipe. According to the electrolyte injection device for production of the flame-retardant lithium ion battery, a battery shell is limited through a clamping plate, a clamping air cylinder pushes the clamping plate to one side, a clamping pad on the clamping plate can be attached to the battery shell to tightly clamp the battery shell, the clamping pad can be replaced according to needs, the stability of electrolyte injection is improved, and the production efficiency is improved. The problem that the limiting effect is poor is solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of battery production, in particular to an electrolyte injection device used in the production of flame-retardant lithium-ion batteries. Background Art

[0002] Lithium-ion batteries mainly rely on the movement of lithium ions between the positive and negative electrodes to work. They are the representative of modern high-performance batteries. However, real lithium batteries are rarely used in daily electronic products due to their high risk. During the production and processing of lithium-ion batteries, injection equipment is required to inject electrolyte. The electrolyte is the medium used in chemical batteries, electrolytic capacitors, etc.

[0003] After searching, it was found that the electrolyte is corrosive to a certain extent. When injecting the electrolyte, it is necessary to avoid contact between the electrolyte and the staff. If the electrolyte injection equipment has poor stability during use, and the electrolyte is exposed from the inside of the battery or cannot be fully collected, the electrolyte is likely to corrode the human body and the ground, thus affecting the safety of the electrolyte injection.

[0004] There is an urgent need for an electrolyte injection device used in the production of flame-retardant lithium-ion batteries to solve the technical defects proposed in the above-mentioned technology. Utility Model Content

[0005] The utility model aims to provide an electrolyte injection device used in the production of flame-retardant lithium-ion batteries, so as to solve the problem of poor limiting effect mentioned in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an electrolyte injection device used in the production of flame-retardant lithium-ion batteries, comprising a supporting base, two sides of the top of the supporting base are fixedly connected to a supporting frame, a collecting table is installed at the top of the supporting base, a first collecting box is placed inside the collecting table, clamping cylinders are installed on both sides of the inside of the supporting frame, the output end of the clamping cylinder is fixedly connected to a clamping plate, a clamping pad is installed on one side of the clamping plate, an extraction pump is installed on the top of the supporting frame, the output end of the extraction pump is fixedly connected to an injection pipe, the input end of the extraction pump is fixedly connected to a telescopic pipe, second collecting boxes are installed on the tops of both sides of the supporting frame, the top and bottom ends of one side of the clamping pad are fixedly connected to mounting blocks, a mounting slot is provided inside the clamping plate, a mounting bolt is provided on the other side of the clamping plate, and a protective cover is installed outside the extraction pump.

[0007] Preferably, two groups of the clamping pads are provided, and the clamping pads are provided on both sides of the top of the collecting table.

[0008] Preferably, one side of the installation block is embedded in the interior of the installation slot, and the installation bolt is embedded in the interior of the installation block and is threadedly connected.

[0009] Preferably, connecting slideways are fixedly connected to both sides of the collecting platform, and connecting slide blocks are fixedly connected to both sides of the first collecting box.

[0010] Preferably, one side of the connecting sliding block is embedded in the connecting slideway to form a sliding connection.

[0011] Preferably, limit buckles are installed on both sides of the second collection box, and the limit buckles are installed on the top ends of both sides of the support frame.

[0012] Preferably, a connecting pipe is fixedly connected to one side of the telescopic tube, the protective cover is installed on the top of the support frame, pipe racks are installed on both sides of the top of the support frame, and the connecting pipe is placed on the pipe racks.

[0013] Preferably, casters are fixedly connected to both sides of the bottom end of the support base.

[0014] Compared with the prior art, the utility model has the following beneficial effects: the electrolyte injection device used in the production of flame-retardant lithium-ion batteries not only realizes the function of enhancing the limiting effect and facilitating collection, but also realizes the function of flexible connection;

[0015] (1) By providing a clamping plate, a mounting block, a clamping pad, a clamping cylinder, a mounting slot and a mounting bolt, when injecting electrolyte, it is necessary to first place the battery shell on the collection table, and then use the clamping plate to limit the battery shell. When clamping, first start the clamping cylinder, and the clamping cylinder pushes the clamping plate to one side. The clamping pad on the clamping plate can fit the battery shell to clamp it tightly. The clamping pad can be replaced according to needs. When replacing, first unscrew the mounting bolt, and then remove the mounting block on the clamping pad from the inside of the mounting slot. This structure realizes the function of enhancing the limiting effect and improves the stability of electrolyte injection;

[0016] (2) By providing a collection platform, a first collection box, a second collection box, a limit buckle, a connecting slide and a connecting slider, after the electrolyte is injected, the residual electrolyte may drip from the injection tube, and the residual electrolyte may drip onto the collection platform and be collected by the first collection box. The residual electrolyte in the connecting tube may be collected by the second collection box. The first collection box and the second collection box can collect the electrolyte to prevent the electrolyte from dripping to other places and causing corrosion. The first collection box and the second collection box are regularly taken out and cleaned. This structure realizes the function of facilitating collection;

[0017] (3) By providing a pipe rack, a protective cover, an extraction pump, a telescopic pipe, an injection pipe and a connecting pipe, when injecting electrolyte, it is necessary to first move the equipment to a suitable position, and then connect the connecting pipe to the outlet of the tank storing the electrolyte. The telescopic pipe on one side of the connecting pipe is convenient for extending the length of the connection to achieve flexible connection. Then the extraction pump can extract the electrolyte and discharge it from the injection pipe and inject it into the battery. This structure mathematically realizes the functions of facilitating flexible connection and stable injection. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0019] Figure 2 This is a schematic diagram of the front cross-sectional structure of the clamping plate of the utility model;

[0020] Figure 3 For the utility model Figure 1 The enlarged structural diagram at A in the middle;

[0021] Figure 4 This is a schematic diagram of the front view structure of the extraction pump of the utility model.

[0022] In the figure: 1. Support base; 2. Collection table; 3. First collection box; 4. Support frame; 5. Clamping plate; 6. Mounting block; 7. Second collection box; 8. Pipe rack; 9. Protective cover; 10. Extraction pump; 11. Telescopic tube; 12. Limit buckle; 13. Injection tube; 14. Clamping pad; 15. Clamping cylinder; 16. Caster; 17. Mounting slot; 18. Mounting bolt; 19. Connecting slide; 20. Connecting slider; 21. Connecting pipe. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Example 1: Please refer to Figure 1-4, an electrolyte injection device used in the production of flame-retardant lithium-ion batteries, comprising a support base 1, a support frame 4 is fixedly connected to both sides of the top of the support base 1, a collecting table 2 is installed on the top of the support base 1, a first collecting box 3 is placed inside the collecting table 2, a clamping cylinder 15 is installed on both sides of the inside of the support frame 4, a clamping plate 5 is fixedly connected to the output end of the clamping cylinder 15, a clamping pad 14 is installed on one side of the clamping plate 5, an extraction pump 10 is installed on the top of the support frame 4, an injection pipe 13 is fixedly connected to the output end of the extraction pump 10, a telescopic pipe 11 is fixedly connected to the input end of the extraction pump 10, second collecting boxes 7 are installed on the top of both sides of the support frame 4, a mounting block 6 is fixedly connected to the top and bottom of one side of the clamping pad 14, a mounting slot 17 is provided inside the clamping plate 5, a mounting bolt 18 is provided on the other side of the clamping plate 5, and a protective cover 9 is installed on the outside of the extraction pump 10;

[0025] Two groups of clamping pads 14 are provided. The clamping pads 14 are provided on both sides of the top of the collecting platform 2. One side of the mounting block 6 is embedded in the inside of the mounting slot 17. The mounting bolt 18 is embedded in the inside of the mounting block 6 and is threadedly connected.

[0026] Specifically, Figure 1 and Figure 2 As shown, when injecting electrolyte, the battery shell needs to be placed on the collecting table 2 first, and then the clamping plate 5 is used to limit the battery shell. When clamping, the clamping cylinder 15 is first started, and the clamping cylinder 15 pushes the clamping plate 5 to one side. The clamping pad 14 on the clamping plate 5 can fit the battery shell to clamp it tightly. The clamping pad 14 can be replaced according to needs. When replacing, first unscrew the mounting bolt 18, and then move the mounting block 6 on the clamping pad 14 out of the mounting slot 17.

[0027] Embodiment 2: The two sides of the collecting platform 2 are fixedly connected with connecting slides 19, the two sides of the first collecting box 3 are fixedly connected with connecting sliders 20, one side of the connecting slider 20 is embedded in the connecting slide 19 to be slidably connected, and the two sides of the second collecting box 7 are installed with limit buckles 12, and the limit buckles 12 are installed at the top of the two sides of the support frame 4;

[0028] Specifically, Figure 1 and Figure 3 As shown, residual electrolyte may drip from the injection tube 13, the residual electrolyte can drip onto the collecting table 2 and be collected by the first collecting box 3, the residual electrolyte inside the connecting tube 21 can be collected by the second collecting box 7, the first collecting box 3 and the second collecting box 7 can collect the electrolyte to prevent the electrolyte from dripping to other places and causing corrosion, and the first collecting box 3 and the second collecting box 7 are taken out and cleaned regularly.

[0029] Embodiment 3: A connecting pipe 21 is fixedly connected to one side of the telescopic tube 11, the protective cover 9 is installed on the top of the support frame 4, pipe racks 8 are installed on both sides of the top of the support frame 4, the connecting pipe 21 is placed on the pipe rack 8, and casters 16 are fixedly connected to both sides of the bottom of the support base 1;

[0030] Specifically, Figure 1 and Figure 4 As shown, when injecting electrolyte, it is necessary to first move the device to a suitable position, and then connect the connecting tube 21 to the outlet of the tank storing the electrolyte. The telescopic tube 11 on one side of the connecting tube 21 is convenient for extending the length of the connection to achieve flexible connection. Then the extraction pump 10 can extract the electrolyte and discharge it from the injection tube 13 and inject it into the battery.

[0031] Working principle: When the utility model is in use, the battery shell that needs to be injected with electrolyte is first placed on the collecting table 2, and then the clamping plate 5 is used to limit the battery shell. When clamping, the clamping cylinder 15 is first started, and the clamping cylinder 15 pushes the clamping plate 5 to one side. The clamping pad 14 on the clamping plate 5 can fit the battery shell to clamp it tightly, and the connecting pipe 21 is connected to the outlet of the tank storing the electrolyte. The telescopic tube 11 on one side of the connecting pipe 21 is convenient for lengthening the length of the connection to achieve flexible connection. Then the extraction pump 10 can extract the electrolyte and discharge it from the injection pipe 13 and inject it into the battery. The residual electrolyte may drip from the injection pipe 13. The residual electrolyte can drip on the collecting table 2 and be collected by the first collecting box 3. The electrolyte remaining in the connecting pipe 21 can be collected by the second collecting box 7. The first collecting box 3 and the second collecting box 7 can collect the electrolyte to prevent the electrolyte from dripping to other places and causing corrosion. The first collecting box 3 and the second collecting box 7 are taken out and cleaned regularly. This structure realizes the function of facilitating stable injection of electrolyte.

[0032] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. An electrolyte injection device for use in the production of flame-retardant lithium-ion batteries, comprising a support base (1), characterized in that: The top sides of the support base (1) are fixedly connected to a support frame (4), the top of the support base (1) is equipped with a collecting table (2), the interior of the collecting table (2) is provided with a first collecting box (3), the inside of the support frame (4) is equipped with a clamping cylinder (15) on both sides, the output end of the clamping cylinder (15) is fixedly connected to a clamping plate (5), one side of the clamping plate (5) is equipped with a clamping pad (14), the top of the support frame (4) is equipped with an extraction pump (10), the extraction pump The output end of the extraction pump (10) is fixedly connected to an injection pipe (13), the input end of the extraction pump (10) is fixedly connected to a telescopic tube (11), the top ends of both sides of the support frame (4) are installed with second collection boxes (7), the top and bottom ends of one side of the clamping pad (14) are fixedly connected to mounting blocks (6), the interior of the clamping plate (5) is provided with a mounting groove (17), the other side of the clamping plate (5) is provided with a mounting bolt (18), and the outside of the extraction pump (10) is installed with a protective cover (9).

2. The electrolyte injection device for flame-retardant lithium-ion battery production according to claim 1, characterized in that: The clamping pads (14) are provided in two groups, and the clamping pads (14) are provided on both sides of the top of the collecting platform (2).

3. The electrolyte injection device for flame-retardant lithium-ion battery production according to claim 1, characterized in that: One side of the installation block (6) is embedded in the interior of the installation slot (17), and the installation bolt (18) is embedded in the interior of the installation block (6) in a threaded connection.

4. The electrolyte injection device for flame-retardant lithium-ion battery production according to claim 1, characterized in that: The two sides of the collecting platform (2) are fixedly connected with connecting slideways (19), and the two sides of the first collecting box (3) are fixedly connected with connecting slide blocks (20).

5. The electrolyte injection device for flame-retardant lithium-ion battery production according to claim 4, characterized in that: One side of the connecting slide block (20) is embedded in the interior of the connecting slideway (19) to form a sliding connection.

6. The electrolyte injection device for flame-retardant lithium-ion battery production according to claim 1, characterized in that: Limiting buckles (12) are installed on both sides of the second collection box (7), and the limiting buckles (12) are installed on the top ends of both sides of the support frame (4).

7. The electrolyte injection device for flame-retardant lithium-ion battery production according to claim 1, characterized in that: A connecting pipe (21) is fixedly connected to one side of the telescopic pipe (11), the protective cover (9) is installed on the top of the support frame (4), pipe racks (8) are installed on both sides of the top of the support frame (4), and the connecting pipe (21) is placed on the pipe racks (8).

8. The electrolyte injection device for flame-retardant lithium-ion battery production according to claim 1, characterized in that: Casters (16) are fixedly connected to both sides of the bottom end of the support base (1).