Lithium battery module riveting device
By introducing airtight components and vacuum components into the riveting device of the lithium battery module, the problem of untimely cleaning of metal chips during riveting is solved, the online cleaning function is realized, and the insulation performance of the module is improved.
Patent Information
- Application Number
- CN202421267401.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-04
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2034-06-04
AI Technical Summary
During the lithium battery mold composition process, the metal chips generated during riveting are not cleaned in time, causing the metal chips to fall below the module, scratching the insulating film on the surface of the battery cell, reducing the insulating performance of the module.
A lithium battery module riveting device is designed, including a rivet gun, an airtight assembly and a vacuum assembly. The airtight assembly is arranged at the output end of the rivet gun, and the vacuum assembly is connected to the airtight assembly, providing negative pressure suction, and centrally collecting metal chips generated during the riveting process.
Through the cooperation of the airtight components and vacuum components, the function of cleaning metal chips online during riveting is realized, solving the problem of untimely cleaning of metal chips during riveting, and improving the insulation performance of the module.
Smart Images

Figure CN222552069U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of lithium battery modules, in particular to a lithium battery module riveting device. Background Art
[0002] During the lithium battery module molding process, the side panels on both sides of the module are installed on the end panels by a rivet gun. However, during the riveting process, metal chips will be generated when the rivets are cut off. Moreover, due to the fast speed and large shear force at the moment of cutting, the metal chips will be scattered randomly. If the metal chips are not cleaned up in time or not cleaned up thoroughly, they will be scattered under the module, scratching the insulating film on the surface of the battery cell and reducing the insulation performance of the module. Utility Model Content
[0003] The technical problem to be solved by the utility model is how to solve the problem of untimely cleaning of metal chips during riveting.
[0004] The utility model solves the above technical problems through the following technical means:
[0005] A lithium battery module riveting device comprises a rivet gun (1), an airtight component (2), and a vacuum component (3); the airtight component (2) is arranged on the output end of the rivet gun (1), the vacuum component (3) is arranged in communication with the airtight component (2), and the vacuum component (3) is capable of providing negative pressure suction.
[0006] Beneficial effect: Through the cooperation of the airtight component and the vacuum component, the metal chips generated during the riveting process are collected by the vacuum component, thereby realizing the function of online cleaning during the riveting process and solving the problem of untimely cleaning of metal chips during riveting.
[0007] Furthermore, a rivet (11) is fixed to the output end of the rivet gun (1), and the airtight component (2) is sleeved on the output end of the rivet gun (1).
[0008] Furthermore, the airtight component (2) comprises a bayonet seat (21), a bayonet cover (22), a caliper (23), and a cushion ring (24); the bayonet seat (21) and the bayonet cover (22) are designed to be funnel-shaped and are fixed to each other to form a funnel space (20); the caliper (23) is fixed to the free end of the bayonet seat (21), and the cushion ring (24) is fixed to the free end of the bayonet cover (22).
[0009] Furthermore, the mounting component (231) of the caliper (23) is a circular ring that is sleeved on the gun head of the rivet gun (1), and the fixing component (232) of the caliper (23) is open at one end. The non-open side of the caliper (23) and the free end of the bayonet seat (21) are fixed to each other, and the open end of the fixing component (232) can be locked by a bolt.
[0010] Beneficial effect: By setting an opening at one end of the fixing component of the caliper, the stability of the connection between the caliper and the bayonet seat can be ensured.
[0011] Furthermore, the cushion ring (24) is made of a material with high elasticity, such as foam or polyurethane.
[0012] Beneficial effect: By setting the material of the soft cushion ring, it can be ensured that no gap will be generated when the soft cushion ring is attached to the riveted surface, thereby preventing metal chips generated during the riveting process from splashing.
[0013] Furthermore, the airtight component (2) further comprises a first air joint (25) and a first hose (26); the first air joint (25) is fixed in a side hole of the bayonet seat (21); the first hose (26) is fixed through the first air joint (25); and the first hose (26) is connected to the vacuum component (3).
[0014] Furthermore, the bayonet seat (21), the bayonet cover (22) and the caliper (23) are made of transparent plastic, which is one of PC, PVC and nylon.
[0015] Beneficial effect: Through the setting of transparent plastic, the situation of internal metal chips can be observed.
[0016] Furthermore, the vacuum assembly (3) comprises a second gas joint (31), a first adapter (32), a vacuum generator (33), a retaining ring (34), a second hose (35), a metal chip box (36), and a second adapter (37); the first adapter (32) is fixed to one end of the vacuum generator (33), the second gas joint (31) is fixed to the free end of the first adapter (32), and the second gas joint (31) is connected to the airtight assembly (2); the second hose (35) is fixed to the other end of the vacuum generator (33) through the retaining ring (34), and the metal chip box (36) is fixed to the free end of the second hose (35); the second adapter (37) is connected and fixed to the cylinder wall of the vacuum generator (33), and the second adapter (37) is connected to an external gas source.
[0017] Furthermore, the rivet gun (1) is a pneumatic rivet gun, and a branch of an external air source connected to the pneumatic rivet gun is connected to the second adapter (37).
[0018] Beneficial effect: By setting the pneumatic rivet gun and the branch of the external air source, it is avoided to increase the external air source and reduce the use conditions.
[0019] Furthermore, a bracket is fixed on the vacuum component (3) to mount the vacuum component (3) on the rivet gun (1).
[0020] Beneficial effect: Through the setting of the bracket, the vacuum component is installed on the rivet gun, which is convenient for manual operation and transfer.
[0021] The advantages of the utility model are:
[0022] The utility model realizes the online cleaning function in the riveting process by the mutual cooperation of the airtight component and the vacuum component, so that the metal chips generated in the riveting process are collected by the vacuum component, thereby solving the problem of untimely cleaning of the metal chips in the riveting process.
[0023] The utility model can ensure the stability of the connection between the caliper and the bayonet seat by setting an opening at one end of the fixing component of the caliper.
[0024] The utility model can ensure that no gap is generated when the soft cushion ring is attached to the riveting surface by setting the soft cushion ring material, thereby preventing metal chips generated during the riveting process from splashing.
[0025] The utility model can observe the situation of the internal metal chips by setting the transparent plastic.
[0026] The utility model avoids adding an external air source and reduces the use conditions through the branch arrangement of the pneumatic rivet gun and the external air source.
[0027] The utility model installs the vacuum component on the rivet gun by setting the bracket, which is convenient for manual operation and transfer. BRIEF DESCRIPTION OF THE DRAWINGS
[0028] Figure 1 This is a working schematic diagram of a lithium battery module riveting device according to a first embodiment of the utility model;
[0029] Figure 2 This is a three-dimensional assembly diagram of a rivet gun and an airtight component in a lithium battery module riveting device according to a first embodiment of the present utility model;
[0030] Figure 3 This is an assembly cross-sectional view of a rivet gun and an airtight component in a lithium battery module riveting device according to a first embodiment of the utility model;
[0031] Figure 4 This is a three-dimensional diagram of a caliper in a lithium battery module riveting device according to a first embodiment of the utility model;
[0032] Figure 5 This is a three-dimensional diagram of a vacuum component in a lithium battery module riveting device according to a first embodiment of the present invention. DETAILED DESCRIPTION
[0033] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution in the embodiments of the utility model will be clearly and completely described below in combination with the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.
[0034] Embodiment 1
[0035] like Figure 1 As shown, this embodiment provides a lithium battery module riveting device, including a rivet gun 1, an airtight component 2, and a vacuum component 3.
[0036] like Figure 1 As shown, the airtight component 2 is connected to the output end of the rivet gun 1 and fits against the riveting surface 4 during riveting, so that the riveting area can be closed during the riveting process to prevent metal chips generated during the riveting process from scattering to other areas, thereby ensuring that the metal chips are processed in a centralized manner; the vacuum component 3 is connected to the airtight component 2 to provide vacuum suction for the entire device to collect the metal chips.
[0037] like Figure 1 , Figure 2 , Figure 3 As shown, a rivet 11 is fixed to the output end of the rivet gun 1, and the airtight component 2 is sleeved on the output end of the rivet gun 1; the airtight component 2 includes a bayonet seat 21, a bayonet cover 22, a caliper 23, a cushion ring 24, a first air joint 25, and a first hose 26; for the convenience of processing and installation, the bayonet seat 21 and the bayonet cover 22 are designed to be funnel-shaped, and the two are adhered to each other to form a funnel space 20, which can be sleeved on the gun head of the rivet gun 1;
[0038] like Figure 2 , Figure 4 As shown, the mounting part 231 of the caliper 23 is a ring set and sleeved on the gun head of the rivet gun 1, and the fixing part 232 of the caliper 23 is set with an opening at one end. The non-open side of the caliper 23 and the free end of the bayonet seat 21 are adhered together, and the caliper 23 can fix the bayonet seat 21 on the rivet gun 1; the opening of one end of the fixing part 232 of the caliper 23 can ensure the stability of the connection between the caliper 23 and the bayonet seat 21; the open end of the fixing part 232 can be locked by a bolt; the bayonet seat 21, the bayonet cover 22, and the caliper 23 in this embodiment are made of transparent plastic, and the internal metal chips can be observed. The specific material is one of PC, PVC, and nylon;
[0039] like Figure 1 , Figure 2 , Figure 3As shown, the cushion ring 24 is bonded to the free end of the bayonet cover 22. To prevent metal chips from splashing during the riveting process, the cushion ring 24 should be made of a material with greater elasticity, such as foam, polyurethane, etc., to ensure that no gap is generated when the cushion ring 24 is attached to the riveting surface 4;
[0040] The first gas connector 25 is fixed in the side hole of the bayonet seat 21 , and the first hose 26 is passed through and fixed on the first gas connector 25 .
[0041] like Figure 1 , Figure 5 As shown, the vacuum assembly 3 includes a second gas joint 31, a first adapter 32, a vacuum generator 33, a clamping ring 34, a second hose 35, a metal chip box 36, and a second adapter 37; the first adapter 32 is fixed to one end of the vacuum generator 33, the second gas joint 31 is fixed to the free end of the first adapter 32, and the second gas joint 31 is connected to the first hose 26; the second hose 35 is fixed to the other end of the vacuum generator 33 through the clamping ring 34, and the metal chip box 36 is fixed to the free end of the second hose 35; the vacuum generator 33 is connected to the cylinder wall of the vacuum generator 33. A second adapter 37 is fixed to the vacuum generator 33, and the second adapter 37 is connected to an external compressed air source; the vacuum generator 33 has a total of three external interfaces, one side of which is connected to the first hose 26 on the airtight component 2 through the first adapter 32 and the second air connector 31, and this interface is the metal chip inlet; the other side of the vacuum generator 33 is connected to the metal chip box 36 through the clamp ring 34 and the second hose 35, and this interface is the metal chip outlet; the side opening of the vacuum generator 33 is connected to an external compressed air source through the second adapter 37, and this interface is the external gas inlet;
[0042] The rivet gun 1 in this embodiment is a pneumatic rivet gun, and the external air source connected to the pneumatic rivet gun is branched and connected to the second adapter 37, avoiding the addition of an external air source and reducing the use conditions.
[0043] like Figure 1 As shown, in this embodiment, a bracket is added to the vacuum component 3, and the vacuum component 3 is installed on the rivet gun 1 to facilitate manual operation and transfer.
[0044] When in use, riveting is performed on the riveting surface 4 through the rivet 11 on the rivet gun 1, and the scattered metal chips enter the funnel space 20 formed by the bayonet seat 21 and the bayonet cover 22, and then the vacuum component 3 generates negative pressure suction to make the metal chips pass through the first air joint 25 and the first hose 26 in turn into the metal chip box 36 in the vacuum component 3. The metal chips generated during the riveting process are collected in the container by the vacuum component 3 through the pipeline, thereby realizing the function of online cleaning during the riveting process.
[0045] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims
1. A lithium battery module riveting device, characterized in that: It comprises a rivet gun (1), an airtight component (2), and a vacuum component (3); The airtight component (2) is arranged on the output end of the rivet gun (1), and the vacuum component (3) is arranged in communication with the airtight component (2), and the vacuum component (3) is capable of providing negative pressure suction; A rivet (11) is fixed to the output end of the rivet gun (1), and the airtight component (2) is sleeved on the output end of the rivet gun (1); The airtight component (2) comprises a bayonet seat (21), a bayonet cover (22), a caliper (23), and a soft cushion ring (24); the bayonet seat (21) and the bayonet cover (22) are designed to be funnel-shaped and are fixed to each other to form a funnel space (20); the caliper (23) is fixed to the free end of the bayonet seat (21), and the soft cushion ring (24) is fixed to the free end of the bayonet cover (22).
2. A lithium battery module riveting device according to claim 1, characterized in that: The mounting component (231) of the caliper (23) is a circular ring that is sleeved on the gun head of the rivet gun (1); the fixing component (232) of the caliper (23) is open at one end; the non-open side of the caliper (23) and the free end of the bayonet seat (21) are fixed to each other; and the open end of the fixing component (232) can be locked by a bolt.
3. A lithium battery module riveting device according to claim 1, characterized in that: The soft cushion ring (24) is made of a material with high elasticity, such as foam or polyurethane.
4. A lithium battery module riveting device according to claim 1, characterized in that: The airtight component (2) further comprises a first air joint (25) and a first hose (26); the first air joint (25) is fixed in a side hole of the bayonet seat (21); the first hose (26) is fixed through the first air joint (25); and the first hose (26) is connected to the vacuum component (3).
5. The lithium battery module riveting device according to claim 1, characterized in that: The bayonet seat (21), the bayonet cover (22) and the caliper (23) are made of transparent plastic, which is one of PC, PVC and nylon.
6. A lithium battery module riveting device according to claim 1, characterized in that: The vacuum assembly (3) comprises a second gas joint (31), a first adapter (32), a vacuum generator (33), a clamping ring (34), a second hose (35), a metal chip box (36), and a second adapter (37); the first adapter (32) is fixed to one end of the vacuum generator (33), the second gas joint (31) is fixed to the free end of the first adapter (32), and the second gas joint (31) is connected to the airtight assembly (2); the second hose (35) is fixed to the other end of the vacuum generator (33) via the clamping ring (34), and the metal chip box (36) is fixed to the free end of the second hose (35); the second adapter (37) is connected and fixed to the cylinder wall of the vacuum generator (33), and the second adapter (37) is connected to an external gas source.
7. A lithium battery module riveting device according to claim 6, characterized in that: The rivet gun (1) is a pneumatic rivet gun, and a branch of an external air source connected to the pneumatic rivet gun is connected to a second adapter (37).
8. The lithium battery module riveting device according to claim 1, characterized in that: A bracket is fixed on the vacuum component (3) to mount the vacuum component (3) on the rivet gun (1).