Battery cover plate connecting piece and rivet welding tool
By designing a welding fixture for the battery cover plate connecting piece and rivets, and using a positioning plate and an upper pressing component to achieve automatic alignment and tight pressing of the rivets and electrode connecting pieces, the problem of low efficiency in manual welding is solved, and welding quality and efficiency are improved.
Patent Information
- Application Number
- CN202423113196.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-17
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-17
AI Technical Summary
In the existing technology, the welding process of rivets and electrode connecting pieces relies on manual operation, which leads to low efficiency and is prone to poor contact problems.
A welding fixture for battery cover plate connecting pieces and rivets was designed, including a positioning plate and an upper pressing assembly. The fixture achieves automatic alignment and tight pressing of the rivets and electrode connecting pieces through positioning holes and elastic elements, ensuring welding on the same horizontal plane.
It improves welding efficiency, avoids welding quality problems caused by poor contact, and enables simultaneous positioning and fixing of multiple rivets and electrode connecting pieces, saving time and effort.
Smart Images

Figure CN223603752U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to lithium battery parts welding technical field especially relates to a battery cover plate connecting piece and rivet welding frock. BACKGROUND
[0002] In the assembly process of square aluminum shell battery cover plate assembly, need first rivet and square aluminum shell battery's electrode connecting piece are welded together, then the rivet and electrode connecting piece after welding again with cover plate connection can. At present, when the rivet and electrode connecting piece are welded, most of them are aligned by artificial first rivet and electrode connecting piece on the welding hole, then the rivet is pressed into the welding hole on the electrode connecting piece, and then welding is carried out, in this process, artificial operation is not only time-consuming and laborious, each time only a single electrode connecting piece and rivet fixation can be completed, and the welding efficiency is low. UTILITY MODEL CONTENTS
[0003] To solve the technical problems in the background art, the utility model provides a battery cover plate connecting piece and rivet welding frock.
[0004] The utility model provides a battery cover plate connecting piece and rivet welding frock, include:
[0005] Positioning plate, be equipped with a plurality of for placing rivet positioning hole on it, the rivet is placed on the positioning hole, then electrode connecting piece is cooperated and is placed on the positioning plate horizontally with the rivet;
[0006] Upper pressing assembly is pressed together up and down with the positioning plate through positioning piece, when pressing down, the electrode connecting piece and the rivet can be pressed tightly.
[0007] Preferably, the upper pressing assembly includes an upper pressing plate and a lower pressing plate, and a plurality of corresponding matching holes are provided on the upper pressing plate and the lower pressing plate, respectively, a movable block and a resilient member are installed between the upper pressing plate matching hole and the corresponding lower pressing plate matching hole, the movable block is placed in the lower pressing plate matching hole, and the resilient member is installed between the movable block and the upper pressing plate matching hole.
[0008] Preferably, the upper pressing assembly further includes a fixing screw, a countersunk hole is further provided on the upper pressing plate, and the fixing screw assembles the upper pressing plate, the movable block, the resilient member and the lower pressing plate through the countersunk hole.
[0009] Preferably, the resilient member is a spring.
[0010] Preferably, the positioning piece is a positioning pin.
[0011] Preferably, handles I are fixed on both sides of the upper pressing plate.
[0012] Preferably, the handle I is fixed to both ends of the upper pressure plate by screw I.
[0013] Preferably, handles II are fixed to both ends of the positioning plate.
[0014] Preferably, the handle II is fixed to both ends of the positioning plate by screws II.
[0015] In summary, this utility model has the following beneficial effects: During the welding of the connecting pieces, multiple rivets are first placed on the multiple positioning holes of the positioning plate, and then the electrode connecting pieces of multiple battery cover plates are horizontally placed on the positioning plate one by one with the multiple rivets; then the pressing and pressing assembly is pressed down to tightly press the electrode connecting pieces and rivets together. In this way, the rivets and electrode connecting pieces are kept on the same horizontal plane, thereby ensuring the welding quality. In this way, multiple rivets and multiple electrode connecting pieces can be positioned and fixed at the same time, saving time and effort and improving welding efficiency; at the same time, this tooling avoids welding quality problems caused by poor contact.
[0016] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description
[0017] Fig. 1 This is a perspective view of the battery cover connecting piece and rivet welding fixture according to an embodiment of the present utility model;
[0018] Fig. 2 This is an exploded view of the battery cover connecting piece and rivet welding fixture according to an embodiment of the present invention.
[0019] In the picture:
[0020] 1. Upper pressure plate; 21. Handle I; 22. Handle II; 3. Spring; 4. Lower pressure plate; 5. Movable block; 6. Electrode connecting piece; 7. Rivet; 8. Positioning plate; 81. Positioning hole; 82. Partition. Detailed Implementation
[0021] The embodiments of this utility model are described in detail below. Examples of these embodiments are illustrated in the accompanying drawings, wherein the same or similar symbols denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.
[0022] like Figs. 1-2 As shown in the figure, the battery cover connecting piece and rivet welding fixture proposed in this embodiment includes:
[0023] A positioning plate 8 is provided with a plurality of positioning holes 81 for placing rivets, the rivets 7 are placed on the positioning holes 81, and then the electrode connecting piece 6 cooperates with the rivets 7 to be horizontally placed on the positioning plate 8;
[0024] The upper pressing assembly is pressed up and down with the positioning plate 8 through the positioning member, and when pressed down, the electrode connecting piece 6 and the rivet 7 can be tightly pressed and combined.
[0025] In this way, when the electrode connecting piece 6 is welded, a plurality of rivets 7 are first placed on a plurality of positioning holes 81 of the positioning plate 8, and then a plurality of electrode connecting pieces 6 of the battery cover plate are horizontally placed on the positioning plate 8 one by one in cooperation with the plurality of rivets 7; then the upper pressing assembly is pressed down to tightly press and combine the electrode connecting piece 6 and the rivet 7, and the rivet 7 and the electrode connecting piece 6 are kept in the same horizontal plane through this way, so as to ensure the welding quality. In this way, a plurality of rivets 7 and a plurality of electrode connecting pieces 6 can be positioned and fixed at the same time, which saves time and effort and improves the welding efficiency; at the same time, the tool avoids the welding quality problem caused by poor contact.
[0026] Further, the upper pressing assembly includes an upper pressing plate 1 and a lower pressing plate 4, and a plurality of cooperation holes corresponding to the positioning holes 81 are arranged on the upper pressing plate 1 and the lower pressing plate 4. The cooperation hole of the upper pressing plate 1 and the cooperation hole of the lower pressing plate 4 corresponding thereto are both provided with a movable block 5 and a elastic member, the movable block 5 is arranged in the cooperation hole of the lower pressing plate, and the elastic member is arranged between the movable block 5 and the cooperation hole of the upper pressing plate 1.
[0027] Specifically, the elastic member is a spring 3. The spring 3 is located above the movable block 5 and provides pressure when compressed and rebounded. When the upper pressing assembly is pressed down, the compression and rebounding force of the spring 3 is used to tightly press and combine the electrode connecting piece 6 of the battery cover plate and the rivet 7, and the rivet 7 and the electrode connecting piece 6 are kept in the same horizontal plane through this way, which can ensure that the contact pressure between the electrode connecting piece 6 of the battery cover plate and the rivet 7 is uniform during welding, avoid the welding quality problem caused by poor contact, and thus ensure the welding quality.
[0028] The movable block 5 and the spring 3 work together to ensure the tight contact between the electrode connecting piece 6 of the battery cover plate and the rivet 7 by using the pressure of the spring 3.
[0029] Further, the upper pressing assembly further includes a fixing screw, and a countersunk hole is further arranged on the upper pressing plate 1, and the fixing screw assembles the upper pressing plate 1, the movable block 5, the spring 3 and the lower pressing plate 4 through the countersunk hole.
[0030] Specifically, the positioning member is a positioning pin. The assembled upper pressing assembly is positioned by the positioning pin and is pressed up and down with the positioning plate 8.
[0031] In the embodiment, the two side ends of the upper pressing plate 1 are fixed with handles Ⅰ 21, specifically, the handles Ⅰ 21 are fixed on the two side ends of the upper pressing plate 1 through screws Ⅰ. The two side ends of the positioning plate 8 are fixed with handles Ⅱ 22, specifically, the handles Ⅱ 22 are fixed on the two side ends of the positioning plate 8 through screws Ⅱ. Through the handles, the whole assembling process can be conveniently operated and controlled.
[0032] In summary, the movable block 5 is placed into the matching hole of the lower pressing plate 4, the spring 3 is placed on the movable block 5, the fixing screw is passed through the countersunk hole on the upper pressing plate 1, and the upper pressing plate 1, the movable block 5, the spring 3 and the lower pressing plate 4 are assembled; when the electrode connecting piece is welded, the rivet 7 is placed on the positioning hole 81 of the positioning plate 8, and the electrode connecting piece 6 of the battery cover plate is placed horizontally on the positioning plate 8 in cooperation with the rivet 7; the assembled upper pressing assembly is positioned through the positioning pin, and is pressed from above and below with the positioning plate 8, the electrode connecting piece 6 of the battery cover plate is tightly pressed with the rivet 7 by using the compression rebound force of the spring 3, the rivet 7 and the electrode connecting piece 6 are kept in the same horizontal plane through this mode, and thus the welding quality is ensured.
[0033] It should be noted that, in order to conveniently place multiple electrode connecting pieces 6 at the same time, a partition plate 82 can be arranged on the positioning plate 8 between every two adjacent electrode connecting pieces 6.
[0034] It should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.
[0035] In addition, the terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.
[0036] In the utility model, unless another definite provision and limitation, the term "mount", "link", "connect", "fix" and so on term should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electric connection or each other can communicate;Can be direct connection, also can pass through intermediate medium indirectly connect, can be two element internal communication or two element mutual action relation, unless another definite limitation.For ordinary skilled person in the art, can understand the concrete meaning of above-mentioned term in the utility model according to specific situation.
[0037] In the utility model, unless another definite provision and limitation, first feature is "on" or "under" second feature can be first and second feature direct contact, or first and second feature indirectly contact by intermediate medium.Moreover, first feature is "on", "above" and "on" second feature can be first feature is directly above or obliquely above second feature, or just indicate that the horizontal height of first feature is higher than second feature.First feature is "under", "below" and "under" second feature can be first feature is directly below or obliquely below second feature, or just indicate that the horizontal height of first feature is less than second feature.
[0038] The above is only the preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art in the technical range disclosed by the utility model, according to the technical scheme and utility model concept of the utility model, equivalent replacement or change, should be covered in the protection scope of the utility model.
Claims
1. A battery cover plate tab and rivet welding tool, characterized by, The utility model relates to a rivet pressing device, which comprises: a positioning plate, which is provided with a plurality of positioning holes for placing rivets, the rivets being placed on the positioning holes, and then an electrode connecting sheet is placed horizontally on the positioning plate in cooperation with the rivets; an upper pressing assembly, which is pressed up and down with the positioning plate through positioning members, and when pressed down, the electrode connecting sheet and the rivets are tightly pressed together.
2. The battery cover plate tab and rivet welding tooling of claim 1, wherein, The upper pressing assembly comprises an upper pressing plate and a lower pressing plate, and the upper pressing plate and the lower pressing plate are both provided with a plurality of cooperation holes corresponding to the positioning holes, and a movable block and an elastic member are installed between the upper pressing plate cooperation hole and the lower pressing plate cooperation hole corresponding thereto, the movable block is placed in the lower pressing plate cooperation hole, and the elastic member is installed between the movable block and the upper pressing plate cooperation hole.
3. The battery cover plate tab and rivet welding tooling of claim 2, wherein, The upper pressing assembly further comprises a fixing screw, and the upper pressing plate is further provided with a countersunk hole, and the fixing screw assembles the upper pressing plate, the movable block, the elastic member and the lower pressing plate through the countersunk hole.
4. The battery cover plate tab and rivet welding tooling of claim 2, wherein, The elastic member is a spring.
5. The battery cover tab and rivet welding tooling of claim 1, wherein, The positioning members are positioning pins.
6. The battery cover tab and rivet welding tooling of claim 1, wherein, Both sides of the upper pressing plate are fixed with handles I.
7. The battery cover plate tab and rivet welding tooling of claim 6, wherein, The handles I are fixed on both sides of the upper pressing plate through screws I.
8. The battery cover tab and rivet welding tooling of claim 1, wherein, Both sides of the positioning plate are fixed with handles II.
9. The battery cover tab and rivet welding tooling of claim 8, wherein, The handles II are fixed on both sides of the positioning plate through screws II.