Rubber ring pressing jig and tool for simulating sealing

The dual-face pressure mechanism in the modular sealing gasket compression fixture addresses the lack of efficient inspection for gasket cracking in lithium battery assembly, ensuring quick and cost-effective detection of sealing integrity.

CN223100004UActive Publication Date: 2025-07-15CHANGZHOU WUJIN ZHONGRUI ELECTRONICS
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Patent Information

Application Number
CN202422274054.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-18
Publication Date
2025-07-15
Estimated Expiration
2034-09-18

AI Technical Summary

Technical Problem

Upstream companies of lithium battery combination cap bodies lack a tool that can check whether the sealant ring will crack during folding and closing.

Method used

A rubber ring pressing fixture that simulates sealing is designed, including a bearing module and a pressing module. Through the cooperation of the bearing module and a pressing module, the inclined peripheral pressing and folding edges of the sealing rubber ring are realized, providing a simple and practical self-test method.

Benefits of technology

It realizes rapid and intuitive inspection of sealing rubber rings, saves material costs, optimizes the inspection process, and improves the detection efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of batteries, in particular to a rubber ring press-fit jig and tool simulating sealing, the rubber ring press-fit jig comprises a bearing module and a press-fit module, the end face of one end of the bearing module forms a bearing end face, a bearing groove matched with the shape of the non-folding end of a combined cap body is formed in the bearing end face so as to be connected with the combined cap body, and the press-fit module is connected with the bearing groove. The end face of the first end of the pressing module forms a pre-pressing end face, a pre-pressing groove for pressing the periphery of the sealing rubber ring of the combined cap body into an inclined shape is formed in the pre-pressing end face, the end face of the second end of the pressing module forms a forming end face, and the peripheral part of the forming end face is in butt joint with the bearing end face. The inner periphery of the forming end face is pressed on the inclined periphery of the sealing rubber ring so that the inclined periphery can be folded inwards. The technical problem that in the prior art, an upstream enterprise of a lithium battery combined cap body lacks a tool capable of detecting whether a sealing rubber ring cracks or not in the folding and edge closing process is solved.
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Description

Technical Field

[0001] The utility model relates to the field of batteries, in particular to a rubber ring pressing jig and tooling for simulating sealing. Background Art

[0002] The outermost sealing rubber ring of the combined cap of the lithium battery needs to be folded and trimmed in the subsequent process. In actual production, the combined cap without folded and trimmed sealing rubber ring is produced by the upstream enterprise, and then the combined cap without folded and trimmed sealing rubber ring is sent to the downstream enterprise, which folds and trims it in their process. However, the sealing rubber ring of some combined caps will crack after being squeezed and stressed, so the upstream enterprise needs a simple and practical tooling jig for self-inspection. Summary of the invention

[0003] In order to solve the technical problem in the prior art that upstream companies of lithium battery assembly caps lack a tooling that can detect whether the sealing rubber ring will crack during the folding and edge finishing process, the present application proposes a rubber ring pressing jig and tooling that simulates sealing to solve the above technical problem.

[0004] The technical solution adopted by the utility model to solve its technical problems is:

[0005] The utility model provides a rubber ring pressing jig for simulating sealing, which is used for a combined cap body and comprises: a receiving module, wherein one end face of the receiving module is formed as a receiving end face, and a receiving groove adapted to the shape of a non-folded end of the combined cap body is formed on the receiving end face so as to connect the combined cap body; a pressing module, wherein a first end face of the pressing module is formed as a pre-pressing end face connected to the receiving end face, and a pre-pressing groove is formed on the pre-pressing end face for first pressing the outer periphery of the sealing rubber ring of the combined cap body into an inclined shape, and a second end face of the pressing module is formed as a molding end face that is simultaneously pressed on the receiving end face and the inclined outer periphery of the sealing rubber ring of the combined cap body, the outer peripheral part of the molding end face is connected to the receiving end face, and the inner peripheral part of the molding end face is pressed on the inclined outer periphery of the sealing rubber ring so as to fold the inclined outer periphery inwardly.

[0006] Furthermore, an abutting step against which the non-folded end of the assembled cap body abuts is formed in the receiving groove.

[0007] Furthermore, the portion of the pre-pressing groove in contact with the sealing rubber ring of the assembled cap body is formed into a pre-pressing inclined surface for pressing the outer periphery of the sealing rubber ring.

[0008] Furthermore, the molding end surface further comprises a receiving groove, and the receiving groove is used to receive the component of the assembled cap body protruding from the receiving end surface after the sealing rubber ring is folded.

[0009] On the other hand, the present utility model also provides a rubber ring pressing tooling for simulating sealing, which integrates a plurality of the above-mentioned rubber ring pressing jigs for simulating sealing, and includes: a bottom plate, on which the receiving modules are arranged, and one surface of the bottom plate forms a receiving end surface shared by a plurality of the receiving modules; a cover plate, on which a plurality of pressing modules paired with the receiving modules are arranged, a first surface of the cover plate forms a pre-pressing end surface shared by a plurality of the pressing modules, and a second surface of the cover plate forms a forming end surface shared by a plurality of the pressing modules.

[0010] Further, positioning posts protruding towards the cover plate are arranged on the bottom plate. At the same time, positioning holes matching with the positioning posts and penetrating through the cover plate are formed on the cover plate.

[0011] Based on the above technical solutions, the technical effects that the present utility model can achieve are as follows:

[0012] The rubber ring pressing jig for simulating sealing of the present utility model includes a receiving module and a pressing module. The receiving module is used to access the combined cap body. Then, the pre-pressing end surface at the first end of the pressing module first presses the combined cap body to press the outer periphery of the sealing rubber ring of the combined cap body into an inclined shape. Then, the forming end surface at the second end of the pressing module turns the inclined outer periphery inward to complete the folding and hemming of the sealing rubber ring, so that it is convenient, fast and intuitive to observe whether the rubber ring will crack after being extruded and stressed, thereby providing a simple and practical tooling for upstream enterprises for self-inspection, and solving the technical problem that there is a lack of a tooling for upstream enterprises of lithium battery combined cap bodies to detect whether the sealing rubber ring will crack during the folding and hemming process in the prior art; on the other hand, compared with the solution of designing the pre-pressing end surface and the forming end surface on two pressing blocks, both end surfaces of the pressing module of the present utility model are utilized, saving one pressing block, saving the material cost, and during the detection process, the tester only needs to turn over the pressing module to complete the switching of the pre-pressing end surface and the forming end surface, without taking and placing two pressing blocks, optimizing the detection process;

[0013] The rubber ring pressing tooling for simulating sealing of the present utility model integrates a plurality of rubber ring pressing jigs for simulating sealing on one pressing tooling, and can complete the detection of a plurality of combined cap bodies in one forming, saving a large amount of detection time. Description of the Drawings

[0014] Figure 1 is a schematic diagram of the overall structure of the rubber ring pressing jig for simulating sealing of the present utility model;

[0015] Figure 2 is a schematic diagram when the receiving module of the rubber ring pressing jig for simulating sealing of the present utility model accesses the combined cap body;

[0016] Figure 3 It is a schematic diagram of the pre-pressing end face of the pressing module of the rubber ring pressing jig for simulating sealing of the present invention being pressed onto the combined cap body;

[0017] Figure 4 It is a schematic diagram of the molding end surface of the pressing module of the rubber ring pressing jig for simulating sealing of the utility model being pressed on the combined cap body;

[0018] Figure 5 It is a schematic diagram of the bottom plate of the rubber ring pressing tool for simulating sealing of the utility model;

[0019] Figure 6 It is a schematic diagram of the cover plate of the rubber ring pressing tool for simulating sealing of the utility model.

[0020] In the utility model: 100-combined cap body, 101-sealing rubber ring; 1-receiving module, 11-receiving end face, 12-receiving groove, 121-abutting step; 2-pressing module, 21-pre-pressing end face, 22-pre-pressing groove, 221-pre-pressing inclined surface, 23-molding end face, 231-accommodating groove; 3-bottom plate, 31-positioning column; 4-cover plate, 41-positioning hole. 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. The following description of at least one exemplary embodiment is actually only illustrative and is by no means a limitation on the utility model and its application or use. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0022] like Figure 1-4 As shown, the utility model provides a rubber ring pressing fixture for simulating sealing, which is used for a combined cap body 100, and includes a receiving module 1 and a pressing module 2. One end face of the receiving module 1 is formed as a receiving end face 11, and a receiving groove 12 adapted to the non-folded end shape of the combined cap body 100 is formed on the receiving end face 11 to connect the combined cap body 100. The first end face of the pressing module 2 is formed as a pre-pressing end face 21 that is connected to the receiving end face 11, and the pre-pressing end face 21 is formed as a pre-pressing end face 21. A pre-pressed groove 22 is formed by first pressing the outer periphery of the sealing rubber ring 101 of the combined cap body 100 into an inclined shape, and the second end face of the pressing module 2 is formed as a molding end face 23 that is simultaneously pressed on the receiving end face 11 and the inclined outer periphery of the sealing rubber ring 101 of the combined cap body 100, the outer peripheral portion of the molding end face 23 is connected to the receiving end face 11, and the inner peripheral portion of the molding end face 23 is pressed on the inclined outer periphery of the sealing rubber ring 101 to fold the inclined outer periphery inward.

[0023] The rubber ring pressing fixture for simulating sealing of the present utility model includes a receiving module 1 and a pressing module 2. The receiving module 1 is used to access the combined cap body 100. Then, the pre-pressing end face 21 at the first end of the pressing module 2 first presses the combined cap body 100 to press the outer periphery of the sealing rubber ring 101 of the combined cap body 100 into an inclined shape. Then, the forming end face 23 at the second end of the pressing module 2 turns the inclined outer periphery inward to complete the folding and hemming of the sealing rubber ring 101, so that it is convenient, fast and can visually observe whether the rubber ring will crack after being extruded and stressed, thus providing a simple and practical tooling fixture for upstream enterprises to conduct self-inspection, and solving the technical problem that upstream enterprises of the lithium battery combined cap body 100 in the prior art lack a tooling fixture that can detect whether the sealing rubber ring 101 will crack during the folding and hemming process; on the other hand, compared with the scheme of designing the pre-pressing end face 21 and the forming end face 23 on two pressing blocks, both end faces of the pressing module 2 of the present utility model are utilized, saving one pressing block, saving the material cost, and during the detection process, the tester only needs to turn over the pressing module 2 to complete the switching between the pre-pressing end face 21 and the forming end face 23, without taking and placing two pressing blocks, optimizing the detection process.

[0024] Specifically, an abutting step 121 against which the non-folding end of the combined cap body 100 abuts is formed in the receiving groove 12.

[0025] Specifically, the part in the pre-pressing groove 22 that contacts the sealing rubber ring 101 of the combined cap body 100 is formed as a pre-pressing inclined surface 221 for pressing the outer periphery of the sealing rubber ring 101.

[0026] Specifically, the forming end face 23 further includes a receiving groove 231 for receiving the part of the combined cap body 100 that protrudes from the receiving end face 11 after the sealing rubber ring 101 is folded, such as a protruding steel cap part.

[0027] As Figure 1-6 As shown, on the other hand, the present utility model also provides a rubber ring pressing tooling for simulating sealing, which integrates a plurality of the above-mentioned rubber ring pressing fixtures for simulating sealing, including a bottom plate 3 and a cover plate 4. The receiving modules 1 are arranged on the bottom plate 3, one surface of the bottom plate 3 forms a receiving end face 11 shared by the plurality of receiving modules 1, a plurality of pressing modules 2 paired with the receiving modules 1 are arranged on the cover plate 4, the first surface of the cover plate 4 forms a pre-pressing end face 21 shared by the plurality of pressing modules 2, and the second surface of the cover plate 4 forms a forming end face 23 shared by the plurality of pressing modules 2.

[0028] In a preferred embodiment of the present utility model, positioning posts 31 protruding towards the cover plate 4 are arranged on the bottom plate 3. At the same time, positioning holes 41 that cooperate with the positioning posts 31 and penetrate the cover plate 4 are formed on the cover plate 4 to facilitate positioning during the detection process.

[0029] It should be understood that the specific embodiments described above are only used to explain the present utility model and are not used to limit the present utility model. Obvious changes or variations derived from the spirit of the present utility model are still within the protection scope of the present utility model.

Claims

1. A rubber ring pressing fixture for simulating sealing, which is used for assembling a cap body (100), and is characterized in that, Comprising: A receiving module (1), one end face of the receiving module (1) is formed as a receiving end face (11), and a receiving groove (12) adapted to the shape of the non - folded end of the combined cap body (100) is formed on the receiving end face (11) for accessing the combined cap body (100); A pressing module (2), the first end face of the pressing module (2) is formed as a pre - pressing end face (21) that docks with the receiving end face (11). A pre - pressing groove (22) is formed on the pre - pressing end face (21) for first pressing the outer periphery of the sealing rubber ring (101) of the combined cap body (100) into an inclined shape. The second end face of the pressing module (2) is formed as a forming end face (23) that simultaneously presses on the receiving end face (11) and the inclined outer periphery of the sealing rubber ring (101) of the combined cap body (100). The outer peripheral part of the forming end face (23) docks with the receiving end face (11), and the inner peripheral part of the forming end face (23) presses on the inclined outer periphery of the sealing rubber ring (101) to turn the inclined outer periphery inward.

2. The rubber ring pressing fixture for simulating sealing according to claim 1, wherein, An abutting step (121) against which the non - folded end of the combined cap body (100) abuts is formed in the receiving groove (12).

3. The rubber ring pressing fixture for simulated sealing according to claim 1, characterized in that, The part in the pre - pressing groove (22) that contacts the sealing rubber ring (101) of the combined cap body (100) is formed as a pre - pressing inclined plane (221) for pressing the outer periphery of the sealing rubber ring (101).

4. The rubber ring pressing fixture for simulated sealing according to claim 1, characterized in that, The forming end face (23) further includes a receiving groove (231) for receiving the part of the combined cap body (100) that protrudes from the receiving end face (11) after the sealing rubber ring (101) is turned over.

5. A rubber ring pressing tooling for simulating sealing, characterized in that Integrating a plurality of rubber ring pressing fixtures for simulating sealing as described in any one of claims 1 - 4, comprising: A bottom plate (3), the receiving modules (1) are arranged on the bottom plate (3), and one face of the bottom plate (3) is formed as the receiving end face (11) shared by the plurality of receiving modules (1); A cover plate (4), a plurality of pressing modules (2) paired with the receiving modules (1) are arranged on the cover plate (4). The first face of the cover plate (4) is formed as the pre - pressing end face (21) shared by the plurality of pressing modules (2), and the second face of the cover plate (4) is formed as the forming end face (23) shared by the plurality of pressing modules (2).

6. The rubber ring pressing tooling for simulated sealing according to claim 5, wherein Positioning columns (31) protruding towards the cover plate (4) are arranged on the bottom plate (3). At the same time, positioning holes (41) that cooperate with the positioning columns (31) and penetrate through the cover plate (4) are formed on the cover plate (4).