Battery pre-spot-welding press-fitting correction assembly and battery pre-spot-welding press-fitting system

Abstract

The utility model relates to the technical field of battery manufacturing, in particular to a battery pre-spot-welding press-fitting correction assembly and a battery pre-spot-welding press-fitting system.The battery pre-spot-welding press-fitting correction assembly comprises a profiling body and a profiling cover plate; the battery pre-spot-welding press-fitting correction assembly profiling cover plate is arranged on one side, in the first direction, of the battery pre-spot-welding press-fitting correction assembly profiling body, and the battery pre-spot-welding press-fitting correction assembly profiling cover plate is slidably connected with the battery pre-spot-welding press-fitting correction assembly profiling body. The battery pre-spot-welding press-fitting correction assembly profiling body is profiled on a battery shell, and the battery pre-spot-welding press-fitting correction assembly profiling cover plate is profiled on a battery cover plate. According to the battery pre-spot-welding press-fitting correction assembly, profiling manufacturing is conducted according to the outer contours of the designed battery shell and the battery cover plate, no deviation exists between the battery pre-spot-welding press-fitting correction assembly and the original design, a real battery adopted when a mounting and positioning mechanism is corrected on a packaging line is replaced, correction accuracy is improved, the welding effect is improved, and then the battery quality is improved.

Description

Technical Field

[0001] The present application relates to the technical field of battery manufacturing, and in particular to a battery pre-spot welding and pressing correction component and a battery pre-spot welding and pressing system. Background Art

[0002] At present, in the production process of aluminum shell batteries, after the battery cell is put into the shell, it is necessary to use the installation and positioning mechanism to press the cover plates at both ends of the battery onto the shell. Specifically, the cover plate is flush with the four sides of the shell, and then the square ring gap between the cover plate and the shell is welded with a laser. This welding process is called peripheral welding. Before using the installation and positioning mechanism to assist the laser in welding the cover plate and the shell, the installation and positioning mechanism needs to be corrected. At present, when correcting the welding position, it is generally directly debugged with the actual battery, that is, the actual battery is placed in the installation and positioning mechanism for debugging. However, since there is a certain deviation between the actual battery and the ideal battery, if the actual battery is used for verification, it will only lead to a larger and larger deviation, which will lead to the welding effect not being achieved and affect the battery quality. Utility Model Content

[0003] The purpose of the present application is to provide a battery pre-spot welding press-fit correction component and a battery pre-spot welding press-fit system, which to a certain extent solves the technical problem that in the prior art, on the packaging line of battery production, actual batteries are often directly used to correct the installation and positioning mechanism used for peripheral welding. Since there is a certain deviation between the actual battery and the ideal battery, if the actual battery is used for calibration, the deviation will only become larger and larger, which will lead to the welding effect not being achieved and the technical problem of affecting the battery quality.

[0004] The present application provides a battery pre-spot welding press-fit correction assembly, comprising: a contoured body and a contoured cover plate; wherein the contoured cover plate is arranged on one side of the contoured body along a first direction, and the contoured cover plate is slidably connected to the contoured body; the contoured body is contoured to a battery housing, and the contoured cover plate is contoured to a battery cover plate.

[0005] In the above technical solution, further, one of the contoured cover plate and the contoured body is provided with a slide rail, and the other of the contoured cover plate and the contoured body is provided with a slider, and the slider is slidably matched with the slide rail.

[0006] In any of the above technical solutions, further, the contoured body is formed with a mounting groove, and a side of the mounting groove close to the contoured cover plate is formed with a passage communicating with the outside world, the slide rail and the slider are both arranged in the mounting groove, one of the slide rail and the slider is fixedly connected to the inner wall of the mounting groove, and the other of the slide rail and the slider is fixedly connected to the contoured cover plate via the passage.

[0007] In any of the above technical solutions, further, the battery pre-spot welding press-fit correction assembly also includes a connecting member, and the connecting member is detachably connected to the side of the contoured cover plate close to the contoured body; the slide rail or the slider connected to the contoured cover plate is detachably connected to the connecting member.

[0008] In any of the above technical solutions, further, the battery pre-spot welding press-fit correction assembly also includes a spring extending along the first direction, and the two ends of the spring are respectively connected to the side wall of the installation groove and the slider or slide rail connected to the contoured cover plate.

[0009] In any of the above technical solutions, further, the battery pre-spot welding press-fit correction assembly also includes a supporting member and a pushing member; wherein the supporting member is fixed in the mounting groove;

[0010] The pushing member is fixedly connected to a slider or a slide rail connected to the contoured cover plate; and two ends of the spring along the first direction are respectively connected to the supporting member and the pushing member.

[0011] In any of the above technical solutions, further, the pushing member includes a connecting portion and a limiting portion connected to each other; wherein the connecting portion is connected to the slider;

[0012] Along the first direction, the limiting portion can abut against a side of a slide rail or a slide block connected to the inner wall of the mounting groove and close to the spring.

[0013] In any of the above technical solutions, further, the contoured body is formed with weight-reducing holes.

[0014] In any of the above technical solutions, further, the contoured body includes a main contoured portion and a shell mouth contoured portion; wherein, along the first direction, the shell mouth contoured portion is arranged on a side of the main contoured portion close to the contoured cover plate, and the shell mouth contoured portion is detachably connected to the main contoured portion.

[0015] The present application also provides a battery pre-spot welding and pressing system, including the battery pre-spot welding and pressing correction assembly described in any of the above technical solutions, and thus has all the beneficial technical effects of the battery pre-spot welding and pressing correction assembly, which will not be repeated here.

[0016] In the above technical solution, further, the battery pre-spot welding press-assembly system also includes a support platform and an installation positioning mechanism; wherein the installation positioning mechanism includes a mounting component and a positioning component, the number of the mounting component is one, the number of the positioning components is multiple, the mounting component and the multiple positioning components are sequentially arranged along the periphery of the support platform, and one of the mounting components is arranged opposite to one of the positioning components;

[0017] Any of the positioning assemblies includes a first drive device and a positioning plate, and the drive end of the first drive device is connected to the positioning plate; the installation assembly includes a second drive device and a mechanical clamp, and the drive end of the second drive device is connected to the mechanical clamp.

[0018] Compared with the prior art, the beneficial effects of this application are:

[0019] The battery pre-spot welding press-fit correction assembly provided in the present application is manufactured in accordance with the outer contour of the designed battery shell and battery cover, and has no deviation from the original design. It replaces the real battery used in the correction of the installation positioning mechanism on the packaging line, improves the accuracy of the correction, improves the welding effect, and thus improves the battery quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the specific implementation methods of the present application or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0021] Figure 1 A schematic diagram of the structure of a battery pre-spot welding press-fit correction assembly provided in an embodiment of the present application;

[0022] Figure 2 Another structural schematic diagram of a battery pre-spot welding press-fit correction assembly provided in an embodiment of the present application;

[0023] Figure 3 A schematic diagram of the structure of the main profiling part provided in an embodiment of the present application;

[0024] Figure 4 A schematic diagram of the structure of a contoured cover plate provided in an embodiment of the present application;

[0025] Figure 5 Another structural schematic diagram of the contoured cover plate provided in an embodiment of the present application;

[0026] Figure 6 An assembly diagram of the main profiling portion and the shell opening profiling portion provided in an embodiment of the present application;

[0027] Figure 7 An assembly diagram of the contoured cover plate, the connector, the pushing member and the slider provided in the embodiment of the present application;

[0028] Figure 8 Another assembly diagram of the contoured cover plate, the connecting member, the pushing member and the sliding block provided in the embodiment of the present application;

[0029] Fig. 9 A schematic diagram of the structure of a battery pre-spot welding and pressing system provided in an embodiment of the present application;

[0030] Fig.10 Another structural schematic diagram of the battery pre-spot welding and pressing system provided in an embodiment of the present application.

[0031] Reference numerals:

[0032] 1-contact body, 101-main contour part, 102-shell contour part, 103-installation groove, 104-passing mouth, 105-weight reduction hole, 2-contact cover plate, 3-slide rail, 4-slider, 5-connecting member, 6-spring, 7-support member, 71-first vertical part, 72-first horizontal part, 8-pushing member, 81-connecting part, 82-limiting part, 9-support platform, 10-positioning assembly, 1001-first driving device, 1002-positioning plate, 11-installation assembly, 1101-second driving device, 1102-mechanical clamp. DETAILED DESCRIPTION

[0033] The technical solution of the present application will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments.

[0034] The components of the embodiments of the present application generally described and shown in the drawings herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the application claimed, but merely represents the selected embodiments of the present application.

[0035] Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making any creative work shall fall within the scope of protection of this application.

[0036] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are 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, 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, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0037] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0038] Refer to the following Figures 1 to 10 A battery pre-spot welding and pressing correction assembly and a battery pre-spot welding and pressing system according to some embodiments of the present application are described.

[0039] Embodiment 1

[0040] See also Figures 1 to 8 As shown, an embodiment of the present application provides a battery pre-spot welding press-fit correction assembly, comprising: a contoured body 1 and a contoured cover plate 2; wherein the contoured cover plate 2 is arranged on one side of the contoured body 1 along the first direction, and the contoured cover plate 2 is slidably connected to the contoured body 1; the contoured body 1 is contoured to the battery shell, and the contoured cover plate 2 is contoured to the battery cover plate, that is, the contoured body 1 is manufactured according to the outer contour of the designed battery shell, that is, the interior of the contoured body 1 is not the same as the internal structure of the real battery shell, the contoured body 1 is a solid structure, not an empty shell, and some mounting grooves 103 and weight reduction holes 105 described below are opened on the contoured body 1, and the contoured cover plate 2 is manufactured according to the outer contour of the designed battery cover plate.

[0041] Based on the structure described above, it can be known that the battery pre-spot welding press-fit correction assembly provided in the present application is manufactured in accordance with the outer contour of the designed battery shell and battery cover, without any deviation from the original design, and replaces the real battery used in the correction of the installation positioning mechanism on the packaging line, thereby improving the accuracy of the correction, improving the welding effect, and thus improving the battery quality.

[0042] Further, preferably, when the profiling body 1 is laid flat, that is, the profiling body 1 is placed horizontally, the large surface of the profiling body 1 is parallel to the horizontal plane. The large surface here specifically refers to the surface defined by the length and width of the profiling body 1 when the profiling body 1 is placed horizontally along the first direction. In this state, the first direction is the same as the direction in which the profiling body 1 grows.

[0043] In this embodiment, preferably, Figures 1 to 3 , Figures 6 to 8 As shown, one of the contoured cover plate 2 and the contoured body 1 is provided with a slide rail 3 , and the other of the contoured cover plate 2 and the contoured body 1 is provided with a slider 4 , and the slider 4 is slidably matched with the slide rail 3 .

[0044] According to the structure described above, the contoured cover plate 2 is slidably connected to the contoured body 1, which plays a role in motion guidance, avoiding problems such as deviation of the contoured cover plate 2 in the process of moving toward the contoured body 1, thereby helping to improve the accuracy of correction, reduce poor welding effects, and improve battery quality.

[0045] In this embodiment, preferably, Figures 1 to 3 As shown, the contoured body 1 is formed with a mounting groove 103, and preferably, when the contoured body 1 is placed horizontally along the first direction, the opening of the mounting groove 103 passes through its upper surface, that is, the large surface side, and a side of the mounting groove 103 close to the contoured cover plate 2 is formed with a through opening 104 connected to the outside world, the slide rail 3 and the slider 4 are both arranged in the mounting groove 103, the slide rail 3 is fixedly connected to the inner wall of the mounting groove 103, and the slider 4 is fixedly connected to the contoured cover plate 2 via the through opening 104, and this will be used as an example for explanation later.

[0046] According to the structure described above, the installation groove 103 provides installation space for installing the slide rail 3 and the slider 4, and the slide rail 3 and the slider 4 are matched through the opening 104 without interference, ensuring that the contoured cover plate 2 can be smoothly covered on the contoured body 1.

[0047] Of course, it is not limited to fixing the slide rail 3 on the bottom wall of the mounting groove 103 and fixing the slider 4 on the contoured cover plate 2. The slider 4 can also be fixed on the bottom wall of the mounting groove 103 and the slide rail 3 on the contoured cover plate 2, and the specific design is based on actual needs.

[0048] Further, preferably, the mounting groove 103 is a rectangular groove arranged near the contoured cover plate 2, with a regular shape, convenient for processing and manufacturing, and convenient for installing other components inside it. Of course, it is not limited to this, and the mounting groove 103 can also be a polygonal groove or a circular groove of other shapes, etc.

[0049] In this embodiment, preferably, Figure 1 , Figure 2 , Figure 7and Figure 8 As shown, the battery pre-spot welding press-fit correction assembly also includes a connecting member 5, and the connecting member 5 is detachably connected to the side of the contoured cover 2 close to the contoured body 1; the slider 4 connected to the contoured cover 2 is detachably connected to the connecting member 5. Of course, it is not limited to this. When the contoured cover 2 is connected to the slide rail 3, the connecting member 5 is detachably connected to the slide rail 3, and the specific selection is based on actual needs.

[0050] According to the structure described above, the connecting member 5 serves as a transition structure to connect the contoured cover plate 2 and the slider 4. It can be seen that the connecting member 5, as an independent component, can be designed in shape according to actual needs, which is convenient for assembly and relatively more flexible.

[0051] Further, preferably, the connecting member 5 and the slider 4 are connected by bolts. Of course, this is not limited to this. The connecting member 5 and the slider 4 can also be connected by snap-fitting.

[0052] Further, preferably, the connecting member 5 is connected to the contoured cover plate 2 by snapping, and preferably, a slot is formed on one side of the contoured cover plate 2 close to the contoured body 1, and the end of the connecting member 5 is directly snapped into the slot. Of course, this is not limited to this, and the connecting member 5 and the contoured cover plate 2 can also be connected by bolts.

[0053] Further, preferably, the connecting member 5 is a rectangular plate with a regular shape, which is easy to process and manufacture and to assemble with the slot of the contoured cover plate 2 .

[0054] It should be noted that: not limited to the above structure, the connecting member 5 can also be formed as one piece with the slider 4, that is, when the slider 4 is manufactured, the connecting member 5 is directly processed thereon, eliminating the assembly step with the slider 4.

[0055] In this embodiment, preferably, Figure 1 and Figure 2 As shown, the battery pre-spot welding press-fit correction assembly also includes a spring 6 extending along the first direction, and the two ends of the spring 6 are respectively connected to the side walls of the mounting groove 103 and the slider 4 connected to the contoured cover plate 2. Of course, it is not limited to this. When the contoured cover plate 2 is connected to the slide rail 3, the spring 6 is connected to the slide rail 3, and the specific selection is based on actual needs.

[0056] According to the structure described above, after the actual battery is put into the shell, since a connecting piece is connected between the cover plate and the pole ear of the battery cell, the battery cover plate will be subjected to a force in the opposite direction applied by the connecting piece during the process of being installed toward the battery shell. Therefore, in order to more realistically simulate the assembly process of the battery cover plate and the battery shell, a spring 6 is designed between the contoured cover plate 2 and the mounting groove 103. During the process of the contoured cover plate 2 moving toward the contoured body 1, the spring 6 applies a reverse resistance to the contoured cover plate 2, thereby realistically simulating the assembly process.

[0057] In this embodiment, preferably, Figures 1 to 3 , Figures 6 to 8 As shown, the battery pre-spot welding press-fit correction assembly also includes a supporting member 7 and a pushing member 8; wherein the supporting member 7 is fixed in the mounting groove 103; the pushing member 8 is fixedly connected to the slider 4 connected to the contoured cover plate 2. Of course, it is not limited to this. When the contoured cover plate 2 is connected to the slide rail 3, the pushing member 8 is fixedly connected to the slide rail 3, and the specific selection is based on actual needs; the two ends of the spring 6 along the first direction are respectively connected to the supporting member 7 and the pushing member 8.

[0058] According to the structure described above, the supporting member 7 and the pushing member 8 are used to achieve stable cooperation with the spring 6, and both can also support the spring 6, so that the spring 6 is not prone to displacement and other problems during the compression process.

[0059] Further, preferably, Figure 3 As shown, the support member 7 is L-shaped, and includes a first vertical portion 71 and a first horizontal portion 72, and the first horizontal portion 72 is fixed to the bottom wall of the mounting groove 103 by bolts, etc., the first vertical portion 71 is arranged along the depth direction of the mounting groove 103, and is arranged close to the side of the contoured cover plate 2, and the first vertical portion 71 is provided with a first mounting hole, and one end of the spring 6 is inserted into the first mounting hole. Of course, the shape of the support member 7 is not limited to this, and it can also be a rectangular parallelepiped.

[0060] It should be noted that only the spring 6 may be provided, that is, the supporting member 7 and the pushing member 8 may be removed, and the two ends of the spring 6 may be directly connected to the inner wall of the mounting groove 103 and the sliding block 4 .

[0061] In this embodiment, preferably, Figure 8 As shown, the pushing member 8 includes a connecting portion 81 and a limiting portion 82 connected to each other; wherein the connecting portion 81 is connected to the slider 4; along the first direction, the limiting portion 82 can abut against the side of the slide rail 3 connected to the inner wall of the mounting groove 103 close to the spring 6. Of course, it is not limited to this. When the slider 4 is fixed to the bottom wall of the mounting groove 103, the limiting portion 82 can abut against the side of the slider 4 close to the spring 6 along the first direction, and the specific selection is based on actual needs.

[0062] According to the structure described above, the pushing member 8 is L-shaped, the connecting portion 81 is fixed to the upper surface of the connecting member 5 by bolts, etc., the limiting portion 82 is arranged along the depth direction of the mounting groove 103, and abuts against the side of the slide rail 3 close to the spring 6, playing a limiting role, and the limiting portion 82 is provided with a second mounting hole, and the other end of the spring 6 is inserted into this second mounting hole. In addition, in order to ensure the stability of the assembly of the connecting portion 81 and the connecting member 5, a stepped groove can also be provided at one end of the connecting portion 81 close to the connecting member 5, and part of the structure of the connecting member 5 is assembled into this stepped groove. Of course, the shape of the supporting member 7 is not limited to this, and can also be selected according to actual needs.

[0063] In this embodiment, preferably, Figure 1 As shown, the contoured body 1 is formed with weight-reducing holes 105 , which contributes to lightweight design and saves material costs.

[0064] In this embodiment, preferably, the material of the contoured body 1 and the contoured cover plate 2 are both aluminum, which is consistent with the actual aluminum shell battery. Of course, it is not limited to this, and the material of the contoured body 1 and the contoured cover plate 2 can also be other metals.

[0065] In this embodiment, preferably, Figures 1 to 6 As shown, the profiling body 1 includes a main profiling portion 101 and a shell port profiling portion 102; wherein, along the first direction, the shell port profiling portion 102 is arranged on a side of the main profiling portion 101 close to the profiling cover plate 2, and the shell port profiling portion 102 is detachably connected to the main profiling portion 101, and preferably, the main profiling portion 101 and the shell port profiling portion 102 are both formed with the aforementioned through-port 104, and the side of the shell port profiling portion 102 close to the profiling cover plate 2 is also provided with a mounting port that matches the protrusion on the profiling cover plate 2, and the mounting port and the through-port 104 are connected; in addition, since the opening of the real battery shell and the assembly place of the battery cover plate both have matching steps, and then the assembly place of the profiling cover plate 2 and the mounting port of the shell port profiling portion 102 also has a step matching structure, of course, the matching structure of the shell port profiling portion 102 and the profiling cover plate 2 is not limited to the above, and is specifically designed according to the opening of the real battery shell and the assembly structure of the battery cover plate.

[0066] According to the structure described above, the shell mouth profiling portion 102 is set according to the shape of the opening of the real battery shell, and is designed separately from the main profiling portion 101, which is convenient for separate processing and manufacturing. If the shell mouth profiling portion 102 is damaged during the correction process, it can be disassembled separately for repair or replacement, saving material costs.

[0067] Further, preferably, the aforementioned installation groove 103 is provided on the main contoured portion 101 , and when it is placed horizontally, it penetrates the upper surface thereof, and the aforementioned opening 104 is provided on the side of the installation groove 103 .

[0068] Further, preferably, the shell mouth profiling portion 102 and the main profiling portion 101 are fixed by fastening components such as screws or bolts. Of course, it is not limited to this, and they can also be connected by means of clamping or bonding, etc., which is selected according to actual needs.

[0069] In this embodiment, preferably, Figure 1 , Figure 7 and Figure 8 As shown, the profiling body 1 is in the shape of a rectangular parallelepiped, and the profiling cover plate 2 is a square cover plate, which is adapted to the outer contour of the conventional battery housing and battery cover plate in the prior art. Of course, the shapes of the profiling body 1 and the profiling cover plate 2 are not limited thereto, and are specifically determined according to the shapes of the real battery housing and battery cover plate to be replaced. For example: when the battery housing is in the shape of a polygonal column and the battery cover plate is a corresponding multi-deformable structure, the profiling body 1 is also in the shape of a polygonal column, and the profiling cover plate 2 is also a matching polygon; when the battery housing is in the shape of a cylinder and the battery cover plate is a corresponding circular structure, the profiling body 1 is also in the shape of a cylinder, and the profiling cover plate 2 is also a matching circle.

[0070] Embodiment 2

[0071] See also Figures 9 and 10 As shown, the second embodiment of the present application also provides a battery pre-spot welding and pressing system, including the battery pre-spot welding and pressing correction assembly described in the above-mentioned embodiment one, and thus has all the beneficial technical effects of the battery pre-spot welding and pressing correction assembly, and the same technical features and beneficial effects are no longer repeated.

[0072] In this embodiment, preferably, Fig. 9 and Fig.10 As shown, the battery pre-spot welding pressing system also includes a supporting platform 9 and an installation positioning mechanism; wherein the installation positioning mechanism includes an installation component 11 and a positioning component 10, the number of the installation component 11 is one, the number of the positioning components 10 is multiple, the installation component 11 and the multiple positioning components 10 are arranged in sequence along the periphery of the supporting platform 9, and one of the installation components 11 is arranged opposite to a positioning component 10.

[0073] Further, preferably, the positioning assembly 10 includes a first driving device 1001 and a positioning plate 1002 , a driving end of the first driving device 1001 is connected to the positioning plate 1002 , and preferably, the first driving device 1001 is a cylinder or a linear motor.

[0074] Further, preferably, the mounting assembly 11 includes a second drive device 1101 and a mechanical clamp 1102, the drive end of the second drive device 1101 is connected to the mechanical clamp 1102, and preferably, the second drive device 1101 is a cylinder or a linear motor, and the mechanical clamp 1102 is a structure commonly used in the prior art, which will not be described in detail here.

[0075] According to the structure described above, when the positioning mechanism needs to be corrected, the battery pre-spot welding press-fit correction assembly can be placed on the supporting platform 9, and the battery pre-spot welding press-fit correction assembly can be located in the installation cavity, and the first driving device 1001 in each positioning assembly 10 is used to drive the corresponding positioning plate 1002 to position the contoured body 1 along one side of the first direction and both sides perpendicular to the first direction, and then the second driving device 1101 in the installation assembly 11 is used to drive the clamping claw to clamp the contoured cover plate 2 and move toward the contoured body 1, and finally install it on the contoured body 1.

[0076] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit it. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A battery pre-spot welding press-fit correction assembly, characterized in that: include: A contoured body and a contoured cover; wherein the contoured cover is arranged on one side of the contoured body along a first direction, and the contoured cover is slidably connected to the contoured body; the contoured body is contoured to a battery housing, and the contoured cover is contoured to a battery cover.

2. The battery pre-spot welding press-fit correction assembly according to claim 1, characterized in that: One of the contoured cover plate and the contoured body is provided with a slide rail, and the other of the contoured cover plate and the contoured body is provided with a slider, and the slider is slidably matched with the slide rail.

3. The battery pre-spot welding press-fit correction assembly according to claim 2, characterized in that: The contoured body is formed with a mounting groove, and a passage communicating with the outside is formed on one side of the mounting groove close to the contoured cover plate, the slide rail and the slider are both arranged in the mounting groove, one of the slide rail and the slider is fixedly connected to the inner wall of the mounting groove, and the other of the slide rail and the slider is fixedly connected to the contoured cover plate via the passage.

4. The battery pre-spot welding press-fit correction assembly according to claim 3, characterized in that: The battery pre-spot welding press-fit correction assembly also includes a connecting member, and the connecting member is detachably connected to a side of the contoured cover plate close to the contoured body; the slide rail or the slider connected to the contoured cover plate is detachably connected to the connecting member.

5. The battery pre-spot welding press-fit correction assembly according to claim 3, characterized in that: The battery pre-spot welding press-fit correction assembly also includes a spring extending along the first direction, and both ends of the spring are respectively connected to the side wall of the installation groove and the slider or the slide rail connected to the contoured cover plate.

6. The battery pre-spot welding press-fit correction assembly according to claim 5, characterized in that: The battery pre-spot welding press-fit correction assembly further includes a supporting member and a pushing member; wherein the supporting member is fixed in the mounting groove; The pushing member is fixedly connected to a slider or a slide rail connected to the contoured cover plate; and two ends of the spring along the first direction are respectively connected to the supporting member and the pushing member.

7. The battery pre-spot welding press-fit correction assembly according to claim 6, characterized in that: The pushing member includes a connecting portion and a limiting portion connected to each other; wherein the connecting portion is connected to the sliding block; Along the first direction, the limiting portion can abut against a side of a slide rail or a slide block connected to the inner wall of the mounting groove and close to the spring.

8. The battery pre-spot welding press-fit correction assembly according to claim 1, characterized in that: The contoured body is formed with weight-reducing holes.

9. The battery pre-spot welding press-fit correction assembly according to claim 1, characterized in that: The profiling body includes a main profiling portion and a shell opening profiling portion; wherein, along the first direction, the shell opening profiling portion is arranged on a side of the main profiling portion close to the profiling cover plate, and the shell opening profiling portion is detachably connected to the main profiling portion.

10. A battery pre-spot welding press system, characterized in that: The invention comprises a supporting platform, a mounting and positioning mechanism, and a battery pre-spot welding press-fitting correction assembly according to any one of claims 1 to 9; wherein the mounting and positioning mechanism comprises a mounting assembly and a positioning assembly, the number of the mounting assembly is one, the number of the positioning assemblies is multiple, the mounting assembly and the multiple positioning assemblies are sequentially arranged along the periphery of the supporting platform, and one of the mounting assemblies is arranged opposite to one of the positioning assemblies; Any of the positioning assemblies includes a first drive device and a positioning plate, and the drive end of the first drive device is connected to the positioning plate; the installation assembly includes a second drive device and a mechanical clamp, and the drive end of the second drive device is connected to the mechanical clamp.

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