Supporting seat and welding system
By designing the combination of support seat and support column, the depression problem during welding of battery cover plate is solved, the welding quality and disassembly convenience are improved, and the testing cost is reduced.
Patent Information
- Application Number
- CN202422194903.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-06
- Publication Date
- 2025-08-12
- Estimated Expiration
- 2034-09-06
AI Technical Summary
The battery cover plate is prone to depression downward when welding sealing nails, which affects the welding quality and is difficult to disassemble, resulting in high welding testing costs.
A support seat is designed, including a support seat body and a support column, which is in contact with the battery cover plate, which supports the battery cover plate to prevent it from being recessed and facilitate disassembly through the through groove.
Effectively prevent the battery cover from being recessed, improve welding sealing and quality, simplify the disassembly process, and reduce welding testing costs.
Smart Images

Figure CN223210713U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the field of battery technology, and in particular to a support base and a welding system. Background Art
[0002] With the rapid development of battery technology, batteries have become an indispensable component of many modern devices. To ensure battery safety and reliability, a variety of advanced technologies are used in the design and manufacturing process. As a key step in battery manufacturing, the quality of packaging directly affects the performance and service life of the battery.
[0003] During the packaging process, the battery usually includes a shell with an open top and a battery cover. The battery cover is arranged on the top of the shell and connected to the shell to form a relatively closed space. The battery cover is provided with an injection hole for injecting or replenishing electrolyte. In order to ensure the sealing of the battery and prevent leakage of electrolyte, a sealing nail is usually passed through the injection hole and welded to the inner wall of the injection hole for sealing. Usually before mass production, in order to ensure the quality of the product, the first battery cover will be made, and a sealing nail will be welded on the injection hole of the battery cover. The sealing of the sealing nail to the injection hole will be tested to ensure that the sealing between the injection hole and the sealing nail of the battery cover produced subsequently is good.
[0004] However, during the welding process between the battery cover and the sealing pins, the battery cover is prone to sag downward, affecting the welding quality. Utility Model Content
[0005] The present invention provides a support base and welding system to solve the problem of the battery cover being easily dented in the prior art. The technical solution is as follows:
[0006] In one aspect, a support base is provided, comprising:
[0007] Support seat body and support column;
[0008] One side of the support base body is provided with a bearing groove, the bearing groove has an opening, and the bearing groove is used to bear the battery cover plate inserted through the opening;
[0009] The support column is fixedly connected to the bottom surface of the bearing groove, and the bottom surface of the bearing groove is the side of the bearing groove opposite to the opening;
[0010] After the battery cover is placed in the bearing slot through the opening, one end of the support column facing away from the bottom surface of the bearing slot contacts the battery cover and is arranged opposite to the liquid filling port of the battery cover.
[0011] Optionally, after the battery cover is placed in the supporting groove through the opening, the orthographic projection of the liquid filling port of the battery cover on the bottom surface of the supporting groove is located within the orthographic projection of the support column on the bottom surface of the supporting groove.
[0012] Optionally, the support seat body further has a first through groove connected to the bearing groove, and the depth direction of the bearing groove intersects with the through direction of the first through groove.
[0013] Optionally, the bottom surface of the bearing groove has a first long side and a first short side, and the penetration direction of the first through groove is parallel to the extension direction of the first short side.
[0014] Optionally, the first through grooves are respectively located in the central area of the support seat body in the extending direction of the first long side.
[0015] Optionally, the support seat body further has a second through-groove, and the second through-groove is isolated from the bearing groove and isolated from the first through-groove.
[0016] Optionally, a penetration direction of the second through-groove is parallel to a penetration direction of the first through-groove.
[0017] Optionally, in the depth direction of the bearing groove, the depth of the bearing groove is greater than the maximum thickness of the battery cover.
[0018] In another aspect, a welding system is provided, comprising:
[0019] A support base, a battery cover plate and a sealing nail, wherein the support base is any of the support bases described above;
[0020] Wherein, after the support seat carries the battery cover, the sealing nail is used to be welded to the liquid injection port on the battery cover.
[0021] Optionally, the battery cover includes: a cover body and an annular protrusion, wherein the annular protrusion is distributed around the periphery of the cover body;
[0022] Wherein, after a portion of the battery cover is placed in the bearing groove through the opening, the annular protrusion is located outside the bearing groove and abuts against a side of the support seat body where the bearing groove is provided.
[0023] The beneficial effects of the technical solutions provided in the embodiments of the present application include at least:
[0024] By making contact with the battery cover plate at one end of the support column in the support base, which is away from the bottom surface of the bearing groove, the support column can play a certain supporting role on the battery cover plate, so that after the battery cover plate is placed in the bearing groove through the opening, the battery cover plate will not sag downward, and then after the subsequent welding between the battery cover plate and the sealing nail is completed, the sealing of the welding will not be related to the downward depression of the battery cover plate, but only to the welding parameters during the welding process. In this way, the battery cover plate will not affect the welding quality due to the downward depression. In addition, in the related art, the battery cover plate is set on the waste battery shell. After the battery cover plate and the waste battery are connected, it is difficult to remove the battery cover plate from the waste battery shell. As a result, when testing a new battery cover plate later, it is necessary to constantly find a new waste battery shell. In this application, a support base that matches the battery cover plate is designed. Using this support base, it is easy to remove the battery cover plate. In this way, there is no need to find a new waste battery shell every time, thereby reducing the cost of welding testing. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.
[0026] Figure 1 This is a schematic diagram of a support base structure provided in an embodiment of the present application;
[0027] Figure 2 This is an exploded view of a support base and a battery cover provided in an embodiment of the present application;
[0028] Figure 3 This is a schematic diagram of another support base structure provided in an embodiment of the present application;
[0029] Figure 4 This is another structural diagram of a support base provided in an embodiment of the present application;
[0030] Figure 5 This is a schematic diagram of a battery cover structure provided by an embodiment of the present application;
[0031] Figure 6 This is an exploded view of another support base and battery cover provided in an embodiment of the present application;
[0032] Figure 7 This is a schematic diagram of the combination of a support base and a battery cover provided in an embodiment of the present application. DETAILED DESCRIPTION
[0033] In order to make the objectives, technical solutions and advantages of this application clearer, the implementation methods of this application will be further described in detail below with reference to the accompanying drawings.
[0034] Please refer to Figure 1 , Figure 1 Schematic diagram of a support base structure provided by an embodiment of the present application. The support base 000 may include: a support base body 100 and a support column 200.
[0035] Please refer to Figure 2 , Figure 2 This is an exploded view of a support base and battery cover provided in an embodiment of the present application. A side of the support base body 100 in the support base 000 may have a bearing slot M having an opening P, and the bearing slot M is used to support the battery cover 001 inserted through the opening P.
[0036] Here, the battery cover 001 is placed into the bearing groove M through the opening P, so that the support base body 100 can support the battery cover 001, so as to facilitate the smooth progress of subsequent welding tests and other processes.
[0037] In the present application, the support column 200 in the support base 000 is fixedly connected to the bottom surface S of the bearing slot M, and the bottom surface S of the bearing slot M is the side of the bearing slot M opposite to the opening P. For example, the support column 200 in the support base 000 and the bottom surface S of the bearing slot M can be connected by welding.
[0038] Among them, after the battery cover 001 is placed in the supporting groove M through the opening P, the end of the support column 200 in the support seat 000 facing away from the bottom surface of the supporting groove M can contact the battery cover 001 and be arranged opposite to the liquid filling port C of the battery cover 001.
[0039] Here, the support column 200 can support the battery cover 001 placed in the bearing groove M through the opening P, so that the battery cover 001 will not be sunken downward.
[0040] Typically, to ensure product quality, before mass production begins, a first battery cover 001 is produced, and a sealing pin is welded to the liquid injection port C of the battery cover 001. The sealing pin is then tested for its tightness against the liquid injection port C to ensure a good seal between the liquid injection port C and the sealing pin in subsequent battery covers 001. However, during the current welding process, the battery cover 001 tends to sag downward, affecting weld quality.
[0041] In the embodiment of the present application, one end of the support column 200 in the support seat 000 is away from the bottom surface of the supporting groove M and contacts the battery cover 001. In this way, the support column 200 can play a certain supporting role on the battery cover 001, so that after the battery cover 001 is placed in the supporting groove M through the opening P, the battery cover 001 will not sink downward, and further, after the subsequent welding between the battery cover 001 and the sealing pin is completed, the sealing of the welding will not be related to the downward depression of the battery cover 001, but only to the welding parameters during the welding process. In this way, the battery cover 001 will not affect the welding quality due to the downward depression.
[0042] Furthermore, in the related art, the battery cover is attached to the used battery casing. Once connected, it is difficult to remove the battery cover from the used battery casing. Consequently, subsequent testing of a new battery cover requires constant searching for new used battery casings. In this application, a support base is designed that matches the battery cover. This support base makes it easy to remove the battery cover, eliminating the need to search for new used battery casings each time, thereby reducing welding testing costs.
[0043] In summary, the present invention provides a support base and welding system, comprising a support base body and a support column. The support column in the support base contacts the battery cover plate at one end facing away from the bottom surface of the bearing slot. This allows the support column to provide a certain degree of support for the battery cover plate, preventing the battery cover plate from sag after being placed into the bearing slot through the opening. Consequently, after the battery cover plate and the sealing pin are welded, the sealing performance of the weld is not affected by the sag of the battery cover plate, but only by the welding parameters during the welding process. This prevents the battery cover plate from sagging and affecting the welding quality. Furthermore, in the related art, the battery cover plate is mounted on the waste battery housing. After the battery cover plate and the waste battery are connected, it is difficult to remove the battery cover plate from the waste battery housing. Consequently, when testing a new battery cover plate, it is necessary to constantly search for a new waste battery housing. In the present invention, a support base is designed that matches the battery cover plate. This allows the battery cover plate to be easily removed, eliminating the need to search for a new waste battery housing each time, thereby reducing the cost of welding testing.
[0044] In the examples of this application, please refer to Figure 3 , Figure 3This is another schematic diagram of the support base structure provided by an embodiment of the present application. After the battery cover 001 is placed in the load-bearing slot M through the opening P, the orthographic projection of the liquid injection port C of the battery cover 001 on the bottom surface S of the load-bearing slot M is located within the orthographic projection of the support column 200 on the bottom surface S of the load-bearing slot M. In this way, the support column 200 in the support base 000 can be effectively prevented from passing through the liquid injection port C, so that the support column 200 can more stably apply a supporting force to the battery cover 001, and subsequently in the process of welding the battery cover 001 to the sealing nail, the support column 200 can also play a certain supporting role for the sealing nail, thereby allowing the sealing nail to be more stably welded to the battery cover 001.
[0045] Optional, such as Figure 3 As shown, the support base body 100 in the support base 000 further has a first through-groove K1 connected to the bearing groove M, and the depth direction of the bearing groove M intersects with the through-direction of the first through-groove K1. For example, the depth direction of the bearing groove M is perpendicular to the through-direction of the first through-groove K1.
[0046] In this case, the design of the first through-slot K1 allows the operator to easily remove the battery cover 001 from the loading slot M by hand at the first through-slot K1 after the welding test is completed, simplifying the disassembly process. In addition, this design facilitates the rapid replacement of the battery cover 001, improving the efficiency of the welding test.
[0047] In the embodiment of the present application, the bottom surface S of the bearing slot M in the support base body 100 has a first long side L1 and a first short side L2, wherein the penetrating direction of the first through slot K1 is parallel to the extending direction of the first short side L2.
[0048] For example, the bottom surface S of the bearing slot M in the support base body 100 further includes a second long side (not shown) disposed opposite the first long side L1, and a second short side (not shown) disposed opposite the first short side L2. The bottom surface S of the bearing slot M forms a closed rectangular structure by sequentially connecting the first long side L1 and the first short side L2, and the second long side and the second short side.
[0049] Optional, such as Figure 3 As shown, the first through-grooves K1 in the support base body 100 are respectively located in the central area of the support base body 100 in the extension direction of the first long side L1. In this way, the first through-grooves K1 are located in the central area of the support base body 100, which can maintain the symmetry of the entire support base structure and improve the aesthetics of the structure.
[0050] In the embodiments of this application, Figure 3As shown, the support base body 100 in the support base 000 further has a second through-groove K2. The second through-groove K2 is isolated from the bearing groove M and the first through-groove K1. In other words, the second through-groove K2 of the support base body 100 is not connected to the bearing groove M and is also not connected to the first through-groove K1.
[0051] In this way, when the support base needs to be moved frequently, the operator's hand can pass through the second through slot K2, making it more convenient to take the support base 000.
[0052] For example, Figure 3 As shown, the penetrating direction of the second through slot K2 in the support seat body 100 is parallel to the penetrating direction of the first through slot K1 .
[0053] It should be noted that in the present application, the penetration direction of the first through groove K1 is parallel to the extension direction of the first short side L2, which means that the penetration direction of the first through groove K1 is substantially parallel to the extension direction of the first short side L2, that is, the penetration direction of the first through groove K1 and the extension direction of the first short side L2 can have a small angle, such as 1°, 2° and 3°; similarly, the penetration direction of the second through groove K2 in the support seat body 100 is parallel to the penetration direction of the first through groove K1, that is, the angle between the penetration direction of the second through groove K2 and the penetration direction of the first through groove K1 can be 1°, 2° and 3°.
[0054] In the examples of this application, please refer to Figure 4 and Figure 5 , Figure 4 This is another structural diagram of a support base provided in an embodiment of the present application. Figure 5 1 is a schematic diagram of a battery cover structure provided by an embodiment of the present application. In the depth direction of the bearing groove M, the depth d1 of the bearing groove M in the support base body 100 is greater than the maximum thickness d2 of the battery cover 001.
[0055] In this case, the depth d1 of the bearing groove M is greater than the maximum thickness d2 of the battery cover 001, which can ensure that the battery cover 001 is stably placed in the bearing groove M and reduce welding errors caused by shaking or displacement.
[0056] In summary, the present invention provides a support base and welding system, comprising a support base body and a support column. The support column in the support base contacts the battery cover plate at one end facing away from the bottom surface of the bearing slot. This allows the support column to provide a certain degree of support for the battery cover plate, preventing the battery cover plate from sag after being placed into the bearing slot through the opening. Consequently, after the battery cover plate and the sealing pin are welded, the sealing performance of the weld is not affected by the sag of the battery cover plate, but only by the welding parameters during the welding process. This prevents the battery cover plate from sagging and affecting the welding quality. Furthermore, in the related art, the battery cover plate is mounted on the waste battery housing. After the battery cover plate and the waste battery are connected, it is difficult to remove the battery cover plate from the waste battery housing. Consequently, when testing a new battery cover plate, it is necessary to constantly search for a new waste battery housing. In the present invention, a support base is designed that matches the battery cover plate. This allows the battery cover plate to be easily removed, eliminating the need to search for a new waste battery housing each time, thereby reducing the cost of welding testing.
[0057] Optional, please refer to Figure 6 and Figure 7 , Figure 6 This is an exploded view of another support base and battery cover provided in an embodiment of the present application. Figure 7 This is a schematic diagram of a combination of a support base body and a battery cover provided in an embodiment of the present application. This embodiment of the present application also provides a welding system, including: a support base 000, a battery cover 001, and a sealing pin 002. Among them, the support base 000 is any of the support bases mentioned above.
[0058] In this application, after the support base 000 carries the battery cover 001, the sealing pin 002 can be used to weld to the liquid filling port C on the battery cover 001. In this way, after the sealing pin 002 is welded to the liquid filling port C on the battery cover 001, the quality of the weld can be tested, and a technical reference basis can be provided for subsequent large-scale production, ensuring stable and reliable welding quality in large-scale production.
[0059] In the embodiments of this application, Figure 5 As shown, the battery cover 001 may include: a cover body 0011 and an annular protrusion 0012. The annular protrusion 0012 is distributed around the periphery of the cover body 0011.
[0060] For example, the cover body 0011 and the annular protrusion 0012 in the battery cover 001 are made into an integral structure.
[0061] Among them, after a portion of the battery cover 001 is placed in the bearing groove M through the opening P, the annular protrusion 0012 is located outside the bearing groove M and abuts against the side of the support base body 100 where the bearing groove M is set.
[0062] In this case, by abutting the annular protrusion 0012 against one side of the supporting groove M set in the support seat body 100, it can be ensured that the battery cover 001 can be accurately placed in the supporting groove M, thereby ensuring the accurate position of the battery cover 001, so as to facilitate the subsequent welding of the sealing nail 002 and the liquid filling port C, thereby improving the sealing and welding quality of the welding.
[0063] In this application, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance. The term "plurality" refers to two or more than two, unless expressly limited otherwise.
[0064] The above description is merely an optional embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present application shall be included in the scope of protection of the present application.
Claims
1. A support seat, characterized in that: include: A support seat body (100) and a support column (200); One side of the support base body (100) is provided with a bearing slot (M), the bearing slot (M) has an opening (P), and the bearing slot (M) is used to bear a battery cover (001) placed through the opening (P); The support column (200) is fixedly connected to the bottom surface (S) of the bearing slot (M), and the bottom surface (S) of the bearing slot (M) is the side of the bearing slot (M) opposite to the opening (P); After the battery cover (001) is placed in the bearing groove (M) through the opening (P), one end of the support column (200) facing away from the bottom surface of the bearing groove (M) contacts the battery cover (001) and is arranged opposite to the liquid injection port (C) of the battery cover (001).
2. The support seat according to claim 1, characterized in that: After the battery cover (001) is placed in the bearing groove (M) through the opening (P), the orthographic projection of the liquid injection port (C) of the battery cover (001) on the bottom surface (S) of the bearing groove (M) is located within the orthographic projection of the support column (200) on the bottom surface (S) of the bearing groove (M).
3. The support seat according to claim 1, characterized in that: The support seat body (100) further comprises a first through-groove (K1) communicating with the bearing groove (M), and the depth direction of the bearing groove (M) intersects with the through-direction of the first through-groove (K1).
4. The support base according to claim 3, characterized in that: The bottom surface (S) of the bearing groove (M) has a first long side (L1) and a first short side (L2), and the penetration direction of the first penetration groove (K1) and the extension direction of the first short side (L2) are parallel.
5. The support base according to claim 4, characterized in that: The first through grooves (K1) are respectively located in the central area of the support seat body (100) in the extending direction of the first long side (L1).
6. The support base according to any one of claims 3 to 5, characterized in that: The support seat body (100) further comprises a second through-groove (K2), wherein the second through-groove (K2) is isolated from the bearing groove (M) and is also isolated from the first through-groove (K1).
7. The support base according to claim 6, characterized in that: The penetration direction of the second penetration groove (K2) is parallel to the penetration direction of the first penetration groove (K1).
8. The support base according to any one of claims 1 to 5, characterized in that: In the depth direction of the bearing groove (M), the depth (d1) of the bearing groove (M) is greater than the maximum thickness (d2) of the battery cover plate (001).
9. A welding system, characterized in that: include: A support seat (000), a battery cover plate (001) and a sealing pin (002), wherein the support seat (000) is the support seat according to any one of claims 1 to 8; After the support seat (000) carries the battery cover plate (001), the sealing nail (002) is used to be welded to the liquid injection port (C) on the battery cover plate (001).
10. The welding system according to claim 9, characterized in that The battery cover (001) comprises: a cover body (0011) and an annular protrusion (0012), wherein the annular protrusion (0012) is distributed around the periphery of the cover body (0011); After a portion of the battery cover (001) is placed in the bearing groove (M) through the opening (P), the annular protrusion (0012) is located outside the bearing groove (M) and abuts against a side of the support seat body (100) where the bearing groove (M) is provided.