Multi-model cylindrical battery leak hunting process equipment

Abstract

The utility model discloses multi-model cylindrical battery leak hunting process equipment, which relates to the technical field of cylindrical battery leak hunting test, and comprises a base and an upper cavity, a lifting part is mounted on the base, a tray is mounted at the output end of the lifting part, the lifting part is used for driving the tray to lift, and a lower cavity is mounted on the tray. The upper cavity is connected with the lower cavity to form a closed space, and a telescopic air pipe is mounted in the upper cavity; a clamping piece is arranged in the lower cavity and used for clamping cylindrical batteries of various types, the cylindrical batteries of various types can be contained in a cavity formed between the upper cavity and the lower cavity through the arrangement of the upper cavity and the lower cavity, the battery clamping jaw is driven by the air spring to stretch out and draw back through the arrangement of the clamping piece, and the cylindrical batteries are fixed. The cylindrical battery leak detection tool is simple in structure and suitable for cylindrical batteries of different models, can be suitable for leak detection work of the cylindrical batteries of different models, can more efficiently complete remodeling work in a laboratory, and avoids cost waste caused by frequent tool replacement.

Description

Technical Field

[0001] The utility model relates to the technical field of leakage detection testing of cylindrical batteries, in particular to a leakage detection process equipment for multi-model cylindrical batteries. Background Technique

[0002] Inflate for airtightness testing of cylindrical batteries. When the pressure value is reached, cut off the air source and maintain a constant state to enter the detection stage. In addition, the airtightness tester for cylindrical batteries can also judge whether the product has large leaks and is unqualified. Cylindrical batteries are batteries with high capacity and long cycle life. Common No. 1 batteries and No. 7 batteries, and for example, 4695 cylindrical batteries. After the cylindrical battery is sealed, it is necessary to perform a sealing test on the sealed part of the cylindrical battery.

[0003] The existing test method is helium detection. Inject gas into the battery and observe the change in helium content. However, there is one tooling for one battery model. When replacing the leakage detection of different model batteries, the tooling needs to be replaced. When the above-mentioned cylindrical batteries are trial-produced, the equipment for detecting the airtightness of cylindrical batteries needs to be frequently replaced according to the trial-production requirements of different model batteries, resulting in waste of costs. Content of the Utility Model

[0004] To solve the technical problems in the background technique, the utility model proposes a leakage detection process equipment for multi-model cylindrical batteries.

[0005] A leakage detection process equipment for multi-model cylindrical batteries proposed by the utility model includes a base and an upper cavity;

[0006] A lifting member is installed on the base, a tray is installed at the output end of the lifting member, the lifting member is used to drive the tray to lift, and a lower cavity is installed on the tray;

[0007] The lower cavity rises to be connected with the upper cavity, and the upper cavity and the lower cavity are connected to form a closed space. A telescopic air pipe is installed in the upper cavity, and the telescopic air pipe is communicated with an external air source. The telescopic air pipe is a pipe with a telescopic function in the prior art and is used to adapt to various model batteries;

[0008] A rubber gasket is installed at the port of the telescopic air pipe to prevent bumping when contacting the liquid injection port. The telescopic air pipe is adjusted according to the length of the cylindrical battery and can be used for various model batteries.

[0009] A clamping member is arranged inside the lower cavity, and the clamping member is used to clamp cylindrical batteries of various models.

[0010] The battery leak detection device provided in this embodiment is mainly used for detecting the air tightness of cylindrical steel shell batteries. These steel shell batteries mainly consist of a steel shell and a battery. During production, it is necessary to seal them to ensure the optimal air tightness of the battery. There are already many devices for detecting the air tightness of batteries in the prior art. However, due to the frequent replacement of cylindrical battery models, many leak detection tooling in the prior art are not fully applicable.

[0011] Through the settings of the upper cavity and the lower cavity, cylindrical batteries of multiple models can be accommodated in the chamber formed between the upper cavity and the lower cavity. With the setting of the clamping member, the air spring drives the battery clamp to expand and contract, fixing the cylindrical battery and adapting to different models of cylindrical batteries. The utility model can be applicable to the leak detection work of different models of cylindrical batteries, can more efficiently complete the model change work in the laboratory, and avoid the waste of costs caused by frequent replacement of tooling.

[0012] Preferably, the clamping member includes two air springs. The air springs are installed on the inner wall of the lower cavity. On one side where the two air springs are close to each other, there is a battery clamp. The battery clamp is installed on the output end of the air spring. The battery clamp is used to fix the battery, and the air spring is used to drive the battery clamp to expand and contract.

[0013] The air spring is a prior art and plays a role in driving the battery clamp to expand and contract. The battery clamp is a clamp for cylindrical batteries in the prior art.

[0014] The settings of the air spring and the battery clamp have the advantage that the air spring can expand and contract according to the diameter of the battery and can be used for multiple models of batteries.

[0015] Preferably, the shape of the battery clamp is annular, and a foam pad is installed on the side of the battery clamp that contacts the cylindrical battery.

[0016] To prevent scratching the surface of the battery, its function is to fix the battery.

[0017] Preferably, a battery support groove is provided on the tray. The battery support groove is communicated with the lower cavity, and a cylindrical battery is placed upright on the battery support groove.

[0018] A circular rubber ring is installed in the battery support groove. The depth of the battery card slot is deeper than that of the battery terminal. A cylindrical battery is placed upright thereon. The battery card slot facilitates the placement of the cylindrical battery, and the circular rubber ring plays a protective role for the cylindrical battery.

[0019] Preferably, two sliding rods are installed on the base. One end of each sliding rod penetrates and extends to the outside of the tray, and the tray slides on the sliding rods.

[0020] With the setting of the two sliding rods and the tray sliding on the sliding rods, when the tray is pushed by the lifting member, the lifting process runs stably.

[0021] Preferably, the lifting member is a jacking cylinder.

[0022] The arrangement of the jacking cylinder has the advantage that it provides a power stroke for the sealing of the upper and lower cavities, and the thrust of the jacking cylinder itself meets the requirements of this application.

[0023] In the present utility model, the proposed leak detection process equipment for multi-model cylindrical batteries has the following beneficial technical effects:

[0024] Through the arrangement of the upper cavity and the lower cavity, multi-model cylindrical batteries can be accommodated in the chamber formed between the upper cavity and the lower cavity. With the arrangement of the clamping member, the air spring drives the battery gripper to expand and contract, fixing the cylindrical battery and adapting to different models of cylindrical batteries. The present utility model can be applied to the leak detection work of different models of cylindrical batteries, can more efficiently complete the tool change work in the laboratory, and avoid the waste of costs caused by frequent tool change.

[0025] Compared with ordinary leak detection tooling, this leak detection tooling can be applied to different models of cylindrical batteries, improving work efficiency and reducing cost waste.

[0026] Additional aspects and advantages of the present utility model will be given in part in the following description, will become apparent in part from the following description, or will be understood through the practice of the present utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 is the front view of the structure of the present utility model;

[0028] Figure 2 is the schematic structural view of the connection between the lower cavity and the upper cavity of the present utility model.

[0029] In the figure, 1, base; 2, tray; 3, lower cavity; 4, upper cavity; 5, air spring; 6, lifting member; 7, battery support groove; 8, battery gripper; 9, telescopic air pipe; 10, slide bar. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0030] The embodiments of the present utility model will be described in detail below. The examples of the embodiments are shown in the drawings, where the same or similar reference signs denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present utility model and should not be construed as limiting the present utility model.

[0031] As Figure 1 - Figure 2 shown, a leak detection process equipment for multi-model cylindrical batteries includes a base 1 and an upper cavity 4, and the upper cavity 4 is fixed above the helium leak detection equipment;

[0032] A lifting member 6 is installed on the base 1, a tray 2 is installed on the output end of the lifting member 6, the lifting member 6 is used to drive the tray 2 to lift, and a lower cavity 3 is installed on the tray 2;

[0033] The lower cavity 3 rises to be connected with the upper cavity 4, the upper cavity 4 and the lower cavity 3 are connected to form a sealed space, a telescopic air pipe 9 is installed in the upper cavity 4, the telescopic air pipe 9 is communicated with an external air source, and the telescopic air pipe 9 is a pipe with a telescopic function in the prior art and is used to adapt to various models of batteries;

[0034] A rubber gasket is installed at the port of the telescopic air pipe 9 to prevent bumping when contacting the liquid injection port, and the telescopic air pipe 9 is adjusted according to the length of the cylindrical battery and can be used for various models of batteries;

[0035] A clamping member is arranged inside the lower cavity 3, and the clamping member is used to clamp various models of cylindrical batteries.

[0036] The battery leak detection device provided in this embodiment is mainly used for detecting the air tightness of cylindrical steel shell batteries. These steel shell batteries are mainly composed of a steel shell and a battery. During production, it is necessary to seal them to ensure the optimal air tightness of the battery. There are already many devices for detecting the air tightness of batteries in the prior art. However, due to the frequent replacement of cylindrical battery models, many leak detection toolings in the prior art are not completely applicable.

[0037] Through the settings of the upper cavity 4 and the lower cavity 3, cylindrical batteries of multiple models can be accommodated in the chamber formed between the upper cavity 4 and the lower cavity 3. With the setting of the clamping member, the air spring 5 drives the battery clamp 8 to expand and contract, fixing the cylindrical battery and adapting to different models of cylindrical batteries. The utility model can be applicable to the leak detection work of different models of cylindrical batteries, can more efficiently complete the tooling change work in the laboratory, and avoid the waste of costs caused by frequent replacement of toolings.

[0038] The further improvement of the technical solution lies in that the clamping member includes two air springs 5, the air springs 5 are installed on the inner wall of the lower cavity 3, battery clamps 8 are arranged on one side of the two air springs 5 close to each other, the battery clamps 8 are installed on the output ends of the air springs 5, the battery clamps 8 are used to fix the battery, and the air springs 5 are used to drive the battery clamps 8 to expand and contract.

[0039] The air spring 5 is a prior art and plays a role in driving the battery clamp 8 to expand and contract. The battery clamp 8 is a clamp for cylindrical batteries in the prior art.

[0040] The settings of the air spring 5 and the battery clamp 8 have the advantage that the air spring 5 can expand and contract according to the diameter of the battery and can be used for various models of batteries.

[0041] A further improvement of the technical solution lies in that the battery gripper 8 is annular in shape, and a foam pad is installed on the side of the battery gripper 8 that contacts the cylindrical battery.

[0042] To prevent scratching the surface of the battery, its function is to fix the battery.

[0043] A further improvement of the technical solution lies in that a battery tray groove 7 is provided on the tray 2, the battery tray groove 7 is communicated with the lower cavity 3, and a cylindrical battery is placed upright in the battery tray groove 7.

[0044] A circular rubber ring is installed in the battery tray groove 7. The depth of the battery card slot is deeper than that of the battery terminal. A cylindrical battery is placed upright thereon. The battery card slot facilitates the placement of the cylindrical battery, and the circular rubber ring plays a protective role for the cylindrical battery.

[0045] A further improvement of the technical solution lies in that two sliding rods 10 are installed on the base 1. One end of each sliding rod 10 penetrates and extends to the outside of the tray 2, and the tray 2 slides on the sliding rods 10.

[0046] With the arrangement of the two sliding rods 10 and the tray 2 sliding on the sliding rods 10, when the tray 2 is pushed by the lifting member 6, the lifting process runs stably.

[0047] A further improvement of the technical solution lies in that the lifting member 6 is a jacking cylinder.

[0048] The arrangement of the jacking cylinder has the advantage that it provides a power stroke for the sealing of the upper and lower cavities 3, and the thrust of the jacking cylinder itself meets the requirements of this application.

[0049] A further improvement of the technical solution lies in that the lifting member 6 can be replaced by other existing lifting structures that can realize driving the tray 2 to lift.

[0050] Through the arrangement of the upper cavity 4 and the lower cavity 3, cylindrical batteries of multiple models can be accommodated in the chamber formed between the upper cavity 4 and the lower cavity 3. With the arrangement of the clamping member, the air spring 5 drives the battery gripper 8 to expand and contract to fix the cylindrical battery and adapt to different models of cylindrical batteries. The utility model can be applied to the leak detection work of different models of cylindrical batteries, can more efficiently complete the tool change work in the laboratory, and avoid waste of costs caused by frequent replacement of tooling.

[0051] During the working process of this embodiment: the lifting member 6 provides power to make the tray 2 lift the lower cavity 3 along the slide rail towards the upper cavity 4. Since the cylindrical battery is arranged in the battery tray groove 7 and the battery gripper 8 fixes the battery, the cylindrical battery gradually approaches the telescopic air pipe 9, and the lower cavity 3 is closely connected to the upper cavity 4.

[0052] At the same time, the content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0053] It should be understood that the orientation or positional relationship indicated by terms such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present invention.

[0054] In addition, the terms "first" and "second" are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present invention, the meaning of "a plurality" is at least two, such as two, three, etc., unless otherwise specifically defined.

[0055] In the present invention, unless otherwise clearly defined and limited, terms such as "mounted", "connected", "coupled", "fixed", etc. should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection, an electrical connection, or communicable with each other; it may be directly connected, or indirectly connected through an intermediate medium. It may be the internal communication of two elements or the interaction relationship between two elements, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0056] In the present invention, unless otherwise clearly defined and limited, the first feature being "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature may be that the first feature is directly above or obliquely above the second feature, or merely indicates that the first feature has a higher horizontal height than the second feature. The first feature being "under", "beneath" and "underneath" the second feature may be that the first feature is directly below or obliquely below the second feature, or merely indicates that the first feature has a lower horizontal height than the second feature.

[0057] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, making equivalent substitutions or changes, should be covered by the protection scope of the present invention.

Claims

1. A leak detection process equipment for multi-model cylindrical batteries, characterized in that, It includes a base (1) and an upper cavity (4); An elevating member (6) is installed on the base (1), a tray (2) is installed on the output end of the elevating member (6), the elevating member (6) is used to drive the tray (2) to move up and down, and a lower cavity (3) is installed on the tray (2); The upper cavity (4) is connected to the lower cavity (3) to form a sealed space, and a telescopic air pipe (9) is installed in the upper cavity (4); A clamping member is provided inside the lower cavity (3), and the clamping member is used to clamp cylindrical batteries of various models; The clamping member includes two gas springs (5), the gas springs (5) are installed on the inner wall of the lower cavity (3), on one side where the two gas springs (5) are close to each other, there are battery claws (8), the battery claws (8) are installed on the output ends of the gas springs (5), the battery claws (8) are used to fix the battery, and the gas springs (5) are used to drive the battery claws (8) to expand and contract.

2. The leak detection process equipment for multi-model cylindrical batteries according to claim 1, wherein The battery claws (8) are annular in shape, and a foam pad is installed on the side of the battery claws (8) that contacts the cylindrical battery.

3. The leak detection process equipment for multi-model cylindrical batteries according to claim 1, characterized in that, A battery tray groove (7) is formed on the tray (2), the battery tray groove (7) communicates with the lower cavity (3), and a cylindrical battery is placed upright on the battery tray groove (7).

4. The leak detection process equipment for multi-model cylindrical batteries according to claim 1, wherein Two sliding rods (10) are installed on the base (1), one ends of the sliding rods (10) penetrate and extend to the outside of the tray (2), and the tray (2) slides on the sliding rods.

5. The leak detection process equipment for multi-model cylindrical batteries according to claim 1, characterized in that, The elevating member (6) is a jacking cylinder.

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