Battery cell liquid injection device

Abstract

The utility model discloses a battery cell liquid injection device which comprises a branch telescopic device, a liquid injection sleeve cup arranged at the end part of the branch telescopic device, and a fixing piece arranged between the branch telescopic device and the liquid injection sleeve cup, and the branch telescopic device is driven to be matched with the liquid injection sleeve cup to perform synchronous liquid injection operation on the at least two battery cells fixed on the fixing piece. According to the utility model, the branch telescopic device is arranged and is matched with the liquid injection sleeve cup to carry out battery cell liquid injection operation. Therefore, liquid leakage in the liquid injection process is prevented, the effect of replacing the upper guide block is achieved, the battery cell is prevented from being clamped, and the liquid injection efficiency and the qualified rate of the battery cell are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of battery manufacturing, in particular to a battery core liquid injection device. Background Art

[0002] Due to some limitations in the design of the cup-shaped jig, some problems occurred during the injection process. After an injection is completed, the battery cells are often taken out, which not only affects production efficiency, but also has a negative impact on the product qualification rate. In order to solve this problem, we need to improve and optimize the cup-shaped jig to ensure a smoother injection process, improve production efficiency and product quality. This may require more R&D resources and time. Utility Model Content

[0003] The purpose of the utility model is to overcome the deficiencies of the prior art. To achieve the above purpose, a battery core injection device is used to solve the problems raised in the above background technology.

[0004] A battery cell liquid injection device comprises a branch telescopic device, a liquid injection sleeve cup arranged at the end of the branch telescopic device, and a fixing member arranged between the branch telescopic device and the liquid injection sleeve cup;

[0005] The branch telescopic device is driven to cooperate with the liquid injection sleeve cup to perform synchronous liquid injection operation on at least two battery cells fixed on the fixing member.

[0006] As a further solution of the utility model: the branch telescopic device includes a telescopic travel rod arranged on a fixing member, a support plate arranged on the telescopic travel rod, a rubber block arranged on the support rod, a pin arranged on the fixing member, a spring arranged on the fixing member, a spring fixing plate arranged on the end of the spring, and a pin arranged on the fixing member. The beneficial effect is that the branch telescopic device has a simple structure, is easy to use, can conveniently realize telescopic and fixing, and is suitable for various occasions requiring telescopic and fixing.

[0007] As a further solution of the utility model: the fixing piece is provided with a circular hole, and the spring and the telescopic travel rod are fixed in the circular hole through the spring fixing plate. The beneficial effect is that the spring and the telescopic travel rod can be conveniently installed by providing the circular hole, and the stability and reliability of the installation can be ensured by fixing them through the spring fixing plate.

[0008] As a further solution of the utility model: the spring fixing plate and the spring adopt a one-to-one or one-to-many fixing method. The beneficial effect is that by adopting the one-to-one or one-to-many fixing method, the spring can be easily fixed, and the stability of the spring can also be improved, and the movement and shaking of the spring can be reduced.

[0009] As a further solution of the utility model: the pin rod is fixedly arranged on the fixing member and passes through the support plate. The beneficial effect is that by fixing the pin rod on the fixing member, the stability and reliability of the pin rod can be ensured, and by passing through the support plate, the fixing and connection of the support plate can be conveniently achieved.

[0010] As a further solution of the utility model, the support plate and the telescopic travel rod are connected by screws. The beneficial effect is that the connection between the support plate and the telescopic travel rod can ensure the stability and reliability of the connection, and can also be easily disassembled and maintained.

[0011] As a further solution of the utility model, a mushroom head is arranged at the lower end of the injection sleeve cup. The beneficial effect is that the mushroom head can facilitate the injection operation, and can also prevent the liquid from overflowing during the injection, thereby improving the accuracy and efficiency of the injection.

[0012] Compared with the prior art, the utility model has the following technical effects:

[0013] By adopting the above technical solution, the spring, telescopic travel rod, support plate, rubber block, pin rod and other components are assembled into a branch telescopic device, which has a compact structure and is easy to operate. The uniqueness of this device is that it can fix two battery cells at the same time, which not only simplifies the production process, but also provides convenience for later repair and maintenance.

[0014] By fixing both sides of the battery cell, the leakage problem that may occur during the injection process is effectively prevented. In addition, the unique branch telescopic device replaces the upper guide block design to ensure that the battery cell passes smoothly and avoids getting stuck, thereby improving the injection efficiency and the qualified rate of the battery cell. This improvement not only improves production efficiency, but also helps to reduce the scrap rate and save costs for the company. At the same time, due to the simplicity of repair and maintenance, it also reduces long-term operating costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The specific implementation of the utility model is described in detail below in conjunction with the accompanying drawings:

[0016] Figure 1 This is a schematic structural diagram of a battery cell liquid injection device according to an embodiment disclosed in the present application;

[0017] Figure 2 This is a schematic structural diagram of a branch telescopic device according to an embodiment disclosed in the present application;

[0018] Figure 3 A front view of a branch telescopic device according to an embodiment disclosed in the present application;

[0019] Figure 4 It is a side view of the branch telescopic device according to the embodiment disclosed in the present application.

[0020] In the figure: 1. branch telescopic device; 11. support plate; 12. pin rod; 13. screw; 14. telescopic stroke rod; 15. rubber block; 16. spring; 2. mushroom head; 3. spring fixing plate; 4. upper fixing plate; 5. liquid injection cup; 6. battery cell. DETAILED DESCRIPTION

[0021] 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.

[0022] Please refer to Figure 1 and Figure 2 In an embodiment of the utility model, a battery cell injection device includes a branch telescopic device 1, an injection sleeve cup 5 arranged at the end of the branch telescopic device 1, and a fixing member 4 arranged between the branch telescopic device 1 and the injection sleeve cup 5. In a specific implementation manner, the fixing member 4 is a fixing plate structure;

[0023] The branch telescopic device 1 is driven to cooperate with the injection cup to synchronously inject liquid into at least two battery cells 6 fixed on the fixing member 4. The lower end of the injection cup 5 is provided with a mushroom head 2 of the battery cell 6 to facilitate stable injection.

[0024] In this embodiment, Figure 3 As shown, the figure is a front view of the branch telescopic device 1, and it can be intuitively seen that the branch telescopic device 1 can fix two battery cells 6 at the same time;

[0025] In this embodiment, Figure 4 As shown, the figure shows a side view of the branch telescopic device 1, which includes a telescopic stroke rod 14 arranged on the fixing member 4, a support plate 11 arranged on the telescopic stroke rod 14, a rubber block 15 arranged on the support rod, a spring 16 arranged on the fixing member 4, a spring fixing plate 3 arranged on the end of the spring 16, and a pin rod 12 arranged on the fixing member 4.

[0026] Specifically, the branch telescopic device 1 adopts a structure divided into two parts;

[0027] In this embodiment, the fixing member 4 is provided with a circular hole, and the spring 16 and the telescopic travel rod 14 are fixed in the circular hole through the spring fixing plate 3 .

[0028] In this embodiment, the spring fixing plate 3 and the spring 16 are fixed in a one-to-one or one-to-many manner.

[0029] In this embodiment, the pin rod 12 is fixedly disposed on the fixing member 4 and passes through the support plate 11 , wherein the support plate 11 and the telescopic travel rod 14 are connected by a screw 13 .

[0030] Beneficial effect: The branch telescopic device 1 can fix both sides of the battery cell 6 to prevent leakage during the injection process, and replace the upper guide block to avoid jamming the battery cell 6, thereby improving the injection efficiency and the qualified rate of the battery cell 6.

[0031] 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 basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the present invention, and any figure mark in the claims should not be regarded as limiting the claims involved.

[0032] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A battery cell injection device, characterized in that: It comprises a branch telescopic device (1), a liquid injection cup (5) arranged at the end of the branch telescopic device (1), and a fixing member (4) arranged between the branch telescopic device (1) and the liquid injection cup (5); The branch telescopic device (1) is driven to cooperate with the liquid injection sleeve cup to synchronously inject liquid into at least two battery cells fixed on the fixing member (4).

2. A battery cell injection device according to claim 1, characterized in that: The branch telescopic device (1) comprises a telescopic travel rod (14) arranged on a fixing member (4), a support plate (11) arranged on the telescopic travel rod (14), a rubber block (15) arranged on the support plate, a pin rod (12) arranged on the fixing member (4), a spring (16) arranged on the fixing member (4), a spring fixing plate (3) arranged at the end of the spring (16), and a pin rod (12) arranged on the fixing member (4).

3. A battery cell injection device according to claim 2, characterized in that: The fixing member (4) is provided with a circular hole, and the spring (16) and the telescopic travel rod (14) are fixed in the circular hole via the spring fixing plate (3).

4. A battery cell injection device according to claim 3, characterized in that: The spring fixing plate (3) and the spring (16) are fixed in a one-to-one or one-to-many manner.

5. A battery cell injection device according to claim 2, characterized in that: The pin rod (12) is fixedly arranged on the fixing member (4) and passes through the supporting plate (11).

6. A battery cell injection device according to claim 5, characterized in that: The support plate (11) and the telescopic travel rod (14) are connected via screws (13).

7. A battery cell injection device according to claim 1, characterized in that: The lower end of the injection sleeve cup (5) is provided with a mushroom head (2).

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