Device for module side plate welding
By setting up heat insulation sheets during the welding process of battery module and using multiple side plates and cover plates, the problem of damage to the battery module by heat during welding is solved, and the product quality and processing reliability of the battery module are improved. .
Patent Information
- Application Number
- CN202323606241.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-28
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2033-12-28
AI Technical Summary
During the manufacturing process of battery modules, laser power fluctuations during welding can easily cause welding of the module side plates, resulting in internal damage to the battery module and affecting product quality.
Set up heat insulation sheets at the corresponding positions of the welds on the side plates of the module to be welded to reduce the heat transfer during the welding to the inner core of the battery module, and ensure the heat insulation sheets through the design of fixed and movable side plates and cover plates. stable fixation and effective heat blocking.
It effectively avoids damage to the inner core of the battery module by excessive heat during welding, reduces the damage to the battery module by welding, and improves product quality and processing reliability.
Smart Images
Figure CN222176313U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the field of mechanical processing technology, and in particular to a device for welding module side panels. Background Art
[0002] In the manufacturing process of battery modules, welding the module side panels of the battery modules is an essential processing step. However, in the prior art, the side panels of the battery modules are usually welded directly. The laser power fluctuation during the welding process can easily cause the module side panels to be welded through, thereby causing damage to the inside of the battery module, thereby affecting the product quality of the battery module. Summary of the invention
[0003] In view of the above-mentioned problems in the prior art, the purpose of the present application is to provide a heat insulation sheet at the weld position corresponding to the weld of the side plate of the module to be welded, so as to reduce the damage to the battery module caused by welding through the side plate of the module to be welded, thereby improving the quality of the battery module product.
[0004] In order to solve the above problems, the present application provides a device for welding module side plates, including a plurality of device side plates, a second cover plate, a first cover plate and a heat insulation sheet.
[0005] The plurality of device side plates, the second cover plate and the first cover plate are enclosed to form a storage space for accommodating a battery module;
[0006] The battery module has a module side plate to be welded and an epoxy plate, the heat insulation sheet is arranged between the module side plate to be welded and the epoxy plate, and the module side plate to be welded has a weld, and the position of the heat insulation sheet overlaps with the position of the weld;
[0007] A first welding opening is provided on the first cover plate, and the welding seam is located within the orthographic projection of the first welding opening.
[0008] In the embodiment of the present application, the thermal insulation sheet is a strip structure, and the width of the thermal insulation sheet is greater than the gap width of the weld.
[0009] In the embodiment of the present application, a snap-in groove is provided on the side plate of the device, and snap-in structures are provided at both ends of the heat insulation sheet;
[0010] The clamping structure is clamped with the clamping groove to fix the heat insulation sheet and the device side plate.
[0011] In the embodiment of the present application, the plurality of device side panels include fixed side panels and movable side panels, and the fixed side panels are fixedly connected to the second cover plate;
[0012] One end of the movable side panel is rotatably connected to the fixed side panel, and the other end of the movable side panel is detachably connected to the fixed side panel.
[0013] In the embodiment of the present application, the accommodation space is a cubic space, and the movable side panel is detachably connected to the first cover plate;
[0014] The fixed side plate opposite to the movable side plate is rotatably connected to the first cover plate.
[0015] In an embodiment of the present application, the device further includes a transport handle, and the transport handle is fixedly connected to the fixed side panel.
[0016] In the embodiment of the present application, a second welding port is provided on the second cover plate, and the second welding port is arranged corresponding to the first welding port.
[0017] In an embodiment of the present application, a shielding portion is provided in the first welding port or the second welding port, and the position of the shielding portion overlaps with the position of the non-welding portion on the weld.
[0018] In the embodiment of the present application, the centers of the multiple device side panels are all hollow structures.
[0019] In the embodiment of the present application, positioning holes are provided on the first cover plate and the second cover plate, and the first cover plate or the second cover plate is detachably connected to the workbench where the device is installed through the positioning holes.
[0020] Due to the above technical solution, the device for welding module side plates described in the present application has the following beneficial effects:
[0021] By arranging the heat insulation sheet between the side plate of the module to be welded and the epoxy plate of the battery module, and providing a first welding port on the first cover plate, after the battery module is placed in the accommodating space, the weld on the side plate of the module to be welded is welded through the first welding port. At the same time, due to the arrangement of the heat insulation sheet, the heat transfer to the inner core of the battery module during the welding process is reduced, thereby avoiding damage to the inner core of the battery module caused by excessive heat during the welding process. In addition, due to the obstruction of the heat insulation sheet, the damage to the battery module caused by welding through the side plate of the module to be welded is reduced, thereby avoiding poor burning of the battery module, thereby improving the product quality of the battery module. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] In order to more clearly illustrate the technical solution of the present application, the following is a brief introduction to the drawings required for use in the embodiments or prior art descriptions. Obviously, the drawings described below are only some embodiments of the present application, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0023] Figure 1It is a schematic diagram of the structure of a device for welding module side panels provided in an embodiment of the present application;
[0024] Figure 2 This is a schematic diagram of an installation of a heat insulating sheet installed on a battery module in a device for welding a module side plate provided in an embodiment of the present application;
[0025] Figure 3 This is a schematic diagram of the working application of a device for welding module side panels provided in an embodiment of the present application.
[0026] Among them, 1-device side panel, 11-fixed side panel, 12-movable side panel, 2-second cover plate, 3-first cover plate, 4-heat insulation plate, 5-side panel of module to be welded, 51-weld, 6-epoxy plate, 7-transport handle, 8-shielding part, 9-positioning hole. DETAILED DESCRIPTION
[0027] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.
[0028] The term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present application. In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "top", "bottom", etc. is based on the orientation or positional relationship shown in the accompanying drawings, which is 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 a limitation of the present application. In addition, the terms "first" and "second" are used only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first" and "second" may include one or more of the features explicitly or implicitly. Moreover, the terms "first", "second", etc. are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application described here can be implemented in an order other than those illustrated or described here.
[0029] Combination Figure 1-2, introduces a device for welding module side plates provided by an embodiment of the present application, the device includes multiple device side plates 1, a second cover plate 2, a first cover plate 3 and a heat insulation sheet 4, the multiple device side plates 1, the second cover plate 2 and the first cover plate 3 enclose a storage space for accommodating a battery module; the battery module has a module side plate 5 to be welded and an epoxy plate 6, the heat insulation sheet 4 is arranged between the module side plate 5 to be welded and the epoxy plate 6, and the module side plate 5 to be welded has a weld 51, and the position of the heat insulation sheet 4 overlaps with the position of the weld 51; the first cover plate 3 is provided with a first welding port, and the weld 51 is located within the orthographic projection of the first welding port.
[0030] In the embodiment of the present application, the side panel 5 of the module to be welded is wrapped with an epoxy board 6 .
[0031] In the embodiment of the present application, the thermal insulation sheet 4 is arranged between the side plate 5 of the module to be welded and the epoxy plate 6 of the battery module, and a first welding port is provided on the first cover plate 3, so that after the battery module is placed in the accommodating space, the weld 51 on the side plate 5 of the module to be welded is welded through the first welding port. At the same time, due to the arrangement of the thermal insulation sheet 4, the heat transfer to the inner core of the battery module during the welding process is reduced, thereby avoiding damage to the inner core of the battery module due to excessive heat during the welding process. In addition, due to the blocking of the thermal insulation sheet 4, the damage to the battery module caused by welding through the side plate 5 of the module to be welded is reduced, thereby improving the product quality of the battery module.
[0032] In the embodiment of the present application, the heat insulation sheet 4 is a strip structure, and the width of the heat insulation sheet 4 is greater than the gap width of the weld 51 .
[0033] In the embodiment of the present application, the thermal insulation sheet 4 is arranged into a strip structure, and the width of the thermal insulation sheet 4 is greater than the gap width of the weld 51, thereby reducing the area of the thermal insulation sheet 4, thereby reducing the manufacturing cost of the thermal insulation sheet 4 and reducing the processing cost of the battery module.
[0034] In the embodiment of the present application, a snap-in groove is provided on the device side panel 1 , and snap-in structures are provided at both ends of the heat insulation sheet 4 ; the snap-in structures are snap-fitted with the snap-in groove to fix the heat insulation sheet 4 with the device side panel 1 .
[0035] In an embodiment of the present application, a snap-in groove is provided on the side panel 1 of the device and snap-in structures are provided at both ends of the thermal insulation sheet 4, so that the thermal insulation sheet 4 can be limited by the device, thereby improving the stability of the thermal insulation sheet 4 during the welding process, thereby improving the reliability of the battery module processing.
[0036] In a specific embodiment of the present application, the device side plate 1 provided with the snap-fit groove is located in a direction corresponding to the end of the weld 5 .
[0037] In the embodiment of the present application, the second cover plate 2 is arranged opposite to the first cover plate 3. Specifically, the second cover plate 2 can be arranged above the first cover plate 3, that is, the second cover plate 2 can be a bottom plate, and the first cover plate 3 can be an upper cover plate.
[0038] In an embodiment of the present application, multiple device side panels 1 include a fixed side panel 11 and a movable side panel 12. The fixed side panel 11 is fixedly connected to the second cover plate 2; one end of the movable side panel 12 is rotatably connected to the fixed side panel 11, and the other end of the movable side panel 12 is detachably connected to the fixed side panel 11.
[0039] In the embodiment of the present application, the fixed side panel 11 refers to the device side panel 1 fixed on the second cover plate 2 ; the movable side panel 12 refers to the device side panel 1 that can move relative to the second cover plate 2 .
[0040] In a specific embodiment of the present application, one end of the movable side panel 12 is rotatably connected to the fixed side panel 11 via a hinge, and the other end of the movable side panel 12 is detachably connected to the fixed side panel 11 via a toggle clamp.
[0041] In the embodiment of the present application, by configuring the plurality of device side panels 1 to be fixed side panels 11 and movable side panels 12 , the placement flexibility of the battery module can be improved by the movable side panels 12 when the battery module is placed into the accommodation space.
[0042] In a specific embodiment of the present application, the number of the plurality of device side panels 1 is four, the number of the fixed side panels 11 is three, and the number of the movable side panel 12 is one.
[0043] In the specific embodiment of the present application, the clamping groove is disposed on the movable side panel 12 and the fixed side panel 11 opposite to the movable side panel 12 .
[0044] In another specific embodiment of the present application, the number of the plurality of device side panels 1 is four, the number of the fixed side panels 11 is two, and the number of the movable side panels 12 is two; and the two fixed side panels 11 are arranged opposite to each other, and the two movable side panels 12 are arranged opposite to each other.
[0045] In the embodiment of the present application, the accommodating space is a cubic space, and the movable side panel 12 is detachably connected to the first cover panel 3; the fixed side panel 11 located opposite to the movable side panel 12 is rotatably connected to the first cover panel 3.
[0046] In the embodiment of the present application, the movable side panel 12 is detachably connected to the first cover plate 3, and the fixed side panel 11 opposite to the movable side panel 12 is rotatably connected to the first cover plate 3, thereby improving the convenience of the battery module accommodating space, avoiding the loss of the first cover plate 3, and improving the reliability of the device.
[0047] In a specific embodiment of the present application, the movable side panel 12 is detachably connected to the first cover panel 3 via a toggle clamp, and the fixed side panel 11 opposite to the movable side panel 12 is rotatably connected to the first cover panel 3 via a hinge.
[0048] In another embodiment of the present application, the shape of the accommodating space changes with the shape of the battery module.
[0049] In the embodiment of the present application, the device also includes a transport handle 7, which is fixedly connected to the fixed side panel 11.
[0050] In the embodiment of the present application, by providing a transport handle 7 on the fixed side panel 11 of the device, the transport convenience of the device is improved, thereby improving the flexibility of changing the application scene of the device.
[0051] In the embodiment of the present application, the module side plate 5 to be welded has a plurality of welds 51, and the second cover plate 2 is provided with a second welding port, which is arranged corresponding to the first welding port. The weld 51 is located inside the first welding port and the second welding port.
[0052] In the embodiment of the present application, a second welding port that is consistent with the first cover plate 3 is provided on the second cover plate 2, so that after the welding of the weld 51 in the first welding port is completed, the device can be turned over, and another weld 51 of the side plate 5 of the module to be welded can be welded through the second welding port, thereby improving the welding flexibility of the device and the welding efficiency of the side plate 5 of the module to be welded.
[0053] In the embodiment of the present application, a shielding portion 8 is provided in the first welding joint and / or the second welding joint, and the position of the shielding portion 8 overlaps with the position of the non-welding portion on the weld 51 .
[0054] In the embodiment of the present application, a shielding portion 8 is provided at the first welding joint and / or the second welding joint, so that the non-welded portion overlapping the weld 51 can be isolated, thereby avoiding excessive welding of the welding module side panel 5, thereby improving the welding efficiency, avoiding welding errors, and improving the reliability of the device welding.
[0055] In the embodiment of the present application, the shielding portion 8 is integrally formed with the first cover plate 3 .
[0056] In another specific embodiment of the present application, the shielding portion 8 can be adjusted to be set at any position of the first welding port or the second welding port, thereby improving the flexibility of welding the side panel 5 of the welding module; specifically, the shielding portion 8 and the first cover plate 3 can be set to be detachably connected, or the shielding portion 8 and the first cover plate 3 can be set to be slidingly connected, or the shielding portion 8 can be a roller curtain type shielding.
[0057] In the embodiment of the present application, the centers of the multiple device side panels 1 are all hollow structures.
[0058] In the embodiment of the present application, the centers of the plurality of device side panels 1 are all set as a hollow structure, thereby saving manufacturing materials of the device side panels 1, thereby reducing the manufacturing cost of the device side panels 1 and reducing the processing cost of the battery module.
[0059] In another embodiment of the present application, the hollow structure is arranged corresponding to the weld 51, and the weld 51 can be welded through the hollow structure of the device side panel 1; it should be noted that the first welding port, the second welding port, and the hollow structure can be welded to multiple welds 51 respectively.
[0060] In the embodiment of the present application, positioning holes 9 are provided on the first cover plate 3 and the second cover plate 2 , and the first cover plate 3 or the second cover plate 2 is detachably connected to the workbench of the installation device through the positioning holes 9 .
[0061] In an embodiment of the present application, positioning holes 9 are provided on the first cover plate 3 and the second cover plate 2 to position and fix the first cover plate 3 or the second cover plate 2 to the workbench, wherein the workbench can fix a plurality of devices for welding the side panels of the modules to be welded, thereby improving the welding efficiency of the battery module and further improving the production efficiency of the battery module.
[0062] refer to Figure 3 , the working principle of the device for welding the side panels of the module to be welded in the embodiment of the present application is introduced below:
[0063] Remove the first cover plate 3 and the detachable end of the movable side plate 12 to expose the accommodation space; insert the heat insulation sheet 4 between the side plate 5 of the battery module to be welded and the epoxy plate 6 of the battery module; put the battery module into the accommodation space from top to bottom, and then push the side plate 5 of the battery module to be welded from the side to insert the clamping structure at one end of the heat insulation sheet 4 into the clamping groove on the side plate 1 of the device; enclose the movable side plate 12 so that the clamping groove on the movable side plate 12 and the clamping structure at the other end of the heat insulation sheet 4 Clamp the movable side panel 12 and the fixed side panel 11 with an elbow clamp; secondly, fix the first cover panel 3 and the movable side panel 12 with an elbow clamp; weld the weld 51 in the first welding port through the first welding port; finally, flip the device so that the second welding port faces upward, and weld the weld 51 in the second welding port; after welding, remove the heat insulation sheet 4 from between the module side panel 5 to be welded of the battery module and the epoxy plate 6 of the battery module, and output the processed battery module.
[0064] The device for welding the side panels of the module to be welded in the embodiment of the present application has the following beneficial effects:
[0065] By setting the thermal insulation sheet 4 between the side plate 5 of the module to be welded and the epoxy plate 6 of the battery module, and providing a first welding port on the first cover plate 3, after the battery module is placed in the accommodating space, the weld 51 on the side plate 5 of the module to be welded is welded through the first welding port. At the same time, due to the setting of the thermal insulation sheet 4, the heat transfer to the inner core of the battery module during the welding process is reduced, thereby avoiding damage to the inner core of the battery module caused by excessive heat during the welding process. In addition, due to the blocking of the thermal insulation sheet 4, the damage to the battery module caused by welding through the side plate 5 of the module to be welded is reduced, thereby improving the product quality of the battery module.
[0066] The above description has fully disclosed the specific implementation methods of the present application. It should be pointed out that any changes made by technicians familiar with the field to the specific implementation methods of the present application do not deviate from the scope of the claims of the present application. Accordingly, the scope of the claims of the present application is not limited to the above specific implementation methods.
Claims
1. A device for welding module side panels, It is characterized in that It comprises a plurality of device side plates (1), a second cover plate (2), a first cover plate (3) and a heat insulation sheet (4), The plurality of device side plates (1), the second cover plate (2) and the first cover plate (3) are enclosed to form a storage space for accommodating a battery module; The battery module comprises a module side plate (5) to be welded and an epoxy plate (6), the heat insulating sheet (4) is arranged between the module side plate (5) to be welded and the epoxy plate (6), and the module side plate (5) to be welded comprises a welding seam (51), and the position of the heat insulating sheet (4) overlaps the position of the welding seam (51); The first cover plate (3) is provided with a first welding opening, and the welding seam (51) is located within the orthographic projection of the first welding opening.
2. A device for welding module side panels according to claim 1, It is characterized in that The heat insulation sheet (4) is a strip-shaped structure, and the width of the heat insulation sheet (4) is greater than the gap width of the welding seam (51).
3. A device for welding module side panels according to claim 1, It is characterized in that The device side plate (1) is provided with a snap-in groove, and both ends of the heat insulation sheet (4) are provided with a snap-in structure; The clamping structure is clamped with the clamping groove to fixedly connect the heat insulating sheet (4) with the device side plate (1).
4. A device for welding module side panels according to claim 1, It is characterized in that The plurality of device side panels (1) include a fixed side panel (11) and a movable side panel (12), wherein the fixed side panel (11) is fixedly connected to the second cover panel (2); One end of the movable side panel (12) is rotatably connected to the fixed side panel (11), and the other end of the movable side panel (12) is detachably connected to the fixed side panel (11).
5. A device for welding module side panels according to claim 4, It is characterized in that The accommodating space is a cubic space, and the movable side panel (12) is detachably connected to the first cover panel (3); The fixed side plate (11) located opposite to the movable side plate (12) is rotatably connected to the first cover plate (3).
6. A device for welding module side panels according to claim 4, It is characterized in that It also comprises a transport handle (7), wherein the transport handle (7) is fixedly connected to the fixed side panel (11).
7. A device for welding module side panels according to claim 1, It is characterized in that The second cover plate (2) is provided with a second welding opening, and the second welding opening is arranged corresponding to the first welding opening.
8. A device for welding module side panels according to claim 7, It is characterized in that A shielding portion (8) is provided in the first welding port and / or the second welding port, and the position of the shielding portion (8) overlaps with the position of the non-welding portion on the welding seam (51).
9. A device for welding module side panels according to claim 1, It is characterized in that The centres of the multiple device side panels (1) are all hollow structures.
10. A device for welding module side panels according to claim 1, It is characterized in that The first cover plate (3) and the second cover plate (2) are both provided with positioning holes (9), and the first cover plate (3) or the second cover plate (2) can be detachably connected to a workbench on which the device is installed via the positioning holes (9).