Soft package battery module welding tool

Abstract

The utility model discloses a soft package battery module welding tool which comprises a base, the base comprises a plurality of positioning units, each positioning unit comprises a supporting bottom plate and a supporting frame, and the bottom of each supporting frame is fixedly arranged in the middle of the upper surface of the corresponding supporting bottom plate. A first supporting surface and a second supporting surface which are used for supporting the side surfaces of the soft package battery cell are respectively formed on two sides of the supporting frame; and the length of the first supporting surface is equal to that of the second supporting surface, and is equal to that or width of a box body of the soft package battery module. The soft package battery module tin soldering device solves the technical problems that in the existing soft package battery module tin soldering process, the positions of welding spots and sampling lines are prone to dislocation, and box entering is inconvenient.

Description

Technical Field

[0001] The utility model relates to the technical field of soft-pack battery manufacturing, and in particular to a soft-pack battery module welding tool. Background Art

[0002] At present, the assembly method of soft-pack battery modules is generally to solder the tabs of multiple soft-pack battery cells together to achieve series and parallel connection of the soft-pack battery cells; then the battery sampling line is welded to the tabs to monitor, protect and manage the soft-pack battery cells. For example, the Chinese utility model patent with authorization announcement number CN217158351U discloses "a soft-pack battery module".

[0003] However, there are the following two problems in the process of soldering the soft-pack battery module: 1. Since the soft-pack battery cell is relatively thin and soft, it is not convenient to stand the battery cell upright, which makes the soldering process very inconvenient, and the soldering point position is easily biased and the sampling line position is easily misplaced; 2. When the soft-pack module is put into the box, it is not convenient to put it into the battery box due to the large number of battery cells and the presence of series-parallel lines and sampling lines between the battery cells. If it is forced in, the soldering point is easily pulled apart. Utility Model Content

[0004] In view of this, the utility model proposes a soft-pack battery module welding tool, which can realize convenient and fast soldering and boxing of soft-pack batteries, improve the production efficiency of soft-pack batteries, and solve the technical problems existing in the soldering process of soft-pack batteries in the background technology.

[0005] In order to achieve the above-mentioned technical purpose, the technical solution of the utility model provides a soft-pack battery module welding tool, including a base, the base includes a plurality of positioning units, each of the positioning units includes a supporting base plate and a supporting frame, the bottom of the supporting frame is fixedly arranged in the middle of the upper surface of the supporting base plate, and the first supporting surface and the second supporting surface for supporting the side surface of the soft-pack battery cell are respectively formed on both sides of the supporting frame; wherein, the lengths of the first supporting surface and the second supporting surface are equal and are equal to the length or width of the box body of the soft-pack battery module.

[0006] Furthermore, the support bottom plate is respectively formed with a third support surface and a fourth support surface for supporting the bottom surface of the soft-pack battery cell on both sides close to the first support surface and the second support surface, the third support surface is connected to the first support surface, and the fourth support surface is connected to the second support surface.

[0007] Furthermore, an included angle θ between the tops of the first supporting surface and the second supporting surface is 25° to 35°.

[0008] Furthermore, the third supporting surface is an inclined surface whose height gradually decreases from a side far away from the first supporting surface to a side close to the first supporting surface.

[0009] Furthermore, the fourth supporting surface is an inclined surface whose height gradually decreases from a side far from the second supporting surface to a side close to the second supporting surface.

[0010] Furthermore, the first supporting surface is formed with a plurality of first protrusions extending outward from the first supporting surface, the plurality of first protrusions are evenly arranged along the length direction of the first supporting surface, and a first placement space for placing the soft-pack battery cell is formed between every two adjacent first protrusions.

[0011] Furthermore, the second supporting surface is formed with a plurality of second protrusions extending outward from the second supporting surface, the plurality of second protrusions are evenly arranged along the length direction of the second supporting surface, and a second placement space for placing the soft-pack battery cell is formed between every two adjacent second protrusions.

[0012] Furthermore, the first placement space and the second placement space correspond one to one.

[0013] Further, third protrusions extending toward the outside of the third supporting surface are respectively formed on both sides of the third supporting surface, and fourth protrusions extending toward the outside of the fourth supporting surface are respectively formed on both sides of the fourth supporting surface.

[0014] Furthermore, the soft-pack battery module welding tool also includes a box-entering rod, which is inserted between two groups of soft-pack battery cells arranged on the first supporting surface and the second supporting surface to facilitate lifting the soft-pack battery cells into the box.

[0015] Compared with the prior art, the beneficial effects of the utility model mainly include:

[0016] The utility model provides a welding tool for a soft-pack battery module, which can position and support the soft-pack battery cell through the first supporting surface and the second supporting surface formed on both sides of the supporting frame, so that the soft-pack battery cell can be simply and quickly placed on the positioning unit, so that the pole ear of the soft-pack battery cell is placed upward, which is conducive to convenient and quick welding of the pole ear; at the same time, the first supporting surface and the second supporting surface are consistent with the size of the box body of the assembled soft-pack battery module. After the welding of the soft-pack battery cell is completed, it can be directly taken off the positioning unit and placed in the box body, which realizes the convenience of putting various soft-pack battery modules with wires into the box, thereby improving the battery production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is an overall diagram of the soft-pack battery module welding tooling provided in the embodiment of the utility model;

[0018] Figure 2 yes Figure 1 An overall diagram of the tooling with the soft-pack battery core removed;

[0019] Figure 3 yes Figure 2 Side view of.

[0020] As shown in the figure:

[0021] 100, base, 110, supporting bottom plate, 111, third supporting surface, 1111, third protrusion, 112, fourth supporting surface, 1121, fourth protrusion, 120, supporting frame, 121, first supporting surface, 1211, first protrusion, 122, second supporting surface, 1221, second protrusion, 130, box entry rod;

[0022] 200. Soft-pack battery cells. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0024] In order to solve the technical problems of easy misalignment of solder joints and sampling line positions and inconvenient boxing in the existing soft-pack battery module soldering process, the utility model provides a soft-pack battery module welding tool, which can realize convenient and fast soldering and boxing of soft-pack battery cells, thereby improving the production efficiency of soft-pack batteries.

[0025] It should be noted that the soft-pack battery module welding tool described in the utility model is used for but not limited to the soldering process of soft-pack batteries. For the convenience of explanation, in the utility model, only the application of the soft-pack battery module welding tool in soldering is used as an example for explanation. The principle of applying the soft-pack battery module welding tool in other types of equipment is essentially the same as the principle applied in welding, and will not be elaborated here.

[0026] See also Figure 1 As shown, Figure 1 The overall structural schematic diagram of the soft-pack battery module welding tooling in an embodiment of the utility model includes a base 100, the base 100 includes a plurality of positioning units, each of the positioning units includes a supporting base plate 110 and a supporting frame 120, the bottom of the supporting frame 120 is fixedly arranged in the middle of the upper surface of the supporting base plate 110, and the first supporting surface 121 and the second supporting surface 122 for supporting the side of the soft-pack battery cell 200 are respectively formed on both sides of the supporting frame 120; wherein, the lengths of the first supporting surface 121 and the second supporting surface 122 are equal and are equal to the length or width of the box of the soft-pack battery module.

[0027] In this embodiment, the soft-pack battery cell 200 to be assembled can be conveniently erected by the first supporting surface 121 and the second supporting surface 122, so that the process of soldering wire becomes simple and convenient, and the soldering point position and the sampling line position are not easily misaligned; at the same time, after the soldering is completed, the soft-pack battery cell 200 can be directly removed from the positioning unit and sent into the box body, which realizes convenient and fast boxing and improves the production efficiency of the soft-pack battery.

[0028] In one embodiment, see Figure 2 As shown, the supporting base plate 110 is respectively formed with a third supporting surface 111 and a fourth supporting surface 112 on both sides close to the first supporting surface 121 and the second supporting surface 122 for supporting the bottom surface of the soft-pack battery cell 200, the third supporting surface 111 is connected to the first supporting surface 121, and the fourth supporting surface 112 is connected to the second supporting surface 122.

[0029] In one embodiment, see Figure 3 As shown, the top angle θ between the first support surface 121 and the second support surface 122 is 25° to 35°, so as to ensure that the tabs of the two soft-packed cells 200 are aligned and the soft-packed cells 200 will not fall. In this embodiment, the top angle θ between the first support surface 121 and the second support surface 122 is preferably 30°.

[0030] In one embodiment, see Figure 3 As shown, in order to more stably support the soft-pack battery cell 200, the third supporting surface 111 is an inclined surface whose height gradually decreases from the side away from the first supporting surface 121 to the side close to the first supporting surface 121; the fourth supporting surface 112 is an inclined surface whose height gradually decreases from the side away from the second supporting surface 122 to the side close to the second supporting surface 122.

[0031] In one embodiment, see Figure 2 As shown, the first supporting surface 121 is formed with a plurality of first protrusions 1211 extending toward the outside of the first supporting surface 121, and the plurality of first protrusions 1211 are evenly arranged along the length direction of the first supporting surface 121, and a first placement space for placing the soft-pack battery cell 200 is formed between every two adjacent first protrusions 1211; the second supporting surface 122 is formed with a plurality of second protrusions 1221 extending toward the outside of the second supporting surface 122, and the plurality of second protrusions 1221 are evenly arranged along the length direction of the second supporting surface 122, and a second placement space for placing the soft-pack battery cell 200 is formed between every two adjacent second protrusions 1221.

[0032] The first placement space and the second placement space correspond one to one, so that when the soft-pack battery cells 200 are placed in the first placement space and the second placement space respectively, the tab positions of the two soft-pack battery cells 200 can be aligned, and the first placement space and the second placement space limit the left and right directions of the soft-pack battery cells 200, further ensuring that the positions of the welding points and the sampling lines are not misaligned.

[0033] The first placement space and the second placement space may be a closed structure or a hollow structure.

[0034] In one of the embodiments, third protrusions 1111 extending toward the outside of the third supporting surface 111 are respectively formed on both sides of the third supporting surface 111, and the third protrusions 1111 play a limiting role for the soft-pack battery cells 200 placed on the two side edges of the third supporting surface 111; fourth protrusions 1121 extending toward the outside of the fourth supporting surface 112 are respectively formed on both sides of the fourth supporting surface 112, and the fourth protrusions play a limiting role for the soft-pack battery cells 200 placed on the two side edges of the fourth supporting surface 112.

[0035] In one embodiment, the soft-pack battery module welding tool also includes a box-entering rod 130, and the box-entering rod 130 is inserted between two groups of soft-pack battery cells 200 arranged on the first support surface 121 and the second support surface 122 to facilitate lifting the soft-pack battery cells 200 into the box.

[0036] In addition, the base 100 is made of a light insulating material.

[0037] In order to better understand the present invention, the following Figures 1 to 3 The technical solution of the utility model is described in detail:

[0038] like Figures 1 to 3As shown, the utility model provides a soft-pack battery module welding tool, and its base 100 includes four positioning units connected in sequence, and four first placement spaces and second placement spaces are formed on both sides of the support frame 120 of each positioning unit for placing the soft-pack battery cells 200. When in use, the soft-pack battery cells 200 can be placed in the four support frames 120 of the four positioning units in sequence according to the series-parallel mode of the battery module. In each support frame 120, the first support surface 121 and the second support surface 122 support the two side surfaces of the soft-pack battery cells 200, and the third support surface 111 and the fourth support surface 112 support the bottom surfaces of the soft-pack battery cells 200 on both sides. Support, at the same time, the first protrusion 1211 and the second protrusion 1221 limit the left and right of each soft-pack battery cell 200, and the third protrusion 1111 and the fourth protrusion 1121 limit the soft-pack battery cells 200 located at the edges of both sides. In this way, the soft-pack battery cells 200 are effectively positioned, and the pole ears are soldered and the wires are soldered into the pole ears in turn. Since the pole ears of the soft-pack battery cells 200 are all facing upward, such a soldering process will become very convenient; after the soldering is completed, the box-entering rod 130 is inserted between the two soft-pack battery cells 200, and then the two ends of the box-entering rod 130 are lifted by hand, and the entire module can be lifted and placed in the box body. The box-entering process is convenient and quick.

[0039] The specific implementation methods of the utility model described above do not constitute a limitation on the protection scope of the utility model. Any other corresponding changes and modifications made according to the technical concept of the utility model should be included in the protection scope of the claims of the utility model.

Claims

1. A soft pack battery module welding tool, characterized in that: include: A base, wherein the base includes a plurality of positioning units, each of the positioning units includes a supporting base plate and a supporting frame, the bottom of the supporting frame is fixedly arranged in the middle of the upper surface of the supporting base plate, and the two sides of the supporting frame are respectively formed with a first supporting surface and a second supporting surface for supporting the side surfaces of the soft-pack battery cell; The first supporting surface is equal to the second supporting surface in length and is equal to the length or width of the box of the soft-pack battery module.

2. The soft pack battery module welding tool according to claim 1, characterized in that: The support bottom plate is respectively formed with a third support surface and a fourth support surface for supporting the bottom surface of the soft-pack battery cell near the first support surface and the second support surface. The third support surface is connected to the first support surface, and the fourth support surface is connected to the second support surface.

3. The soft pack battery module welding tool according to claim 2, characterized in that: The top angle θ between the first supporting surface and the second supporting surface is 25° to 35°.

4. The soft pack battery module welding tool according to claim 2, characterized in that: The third supporting surface is an inclined surface whose height gradually decreases from a side away from the first supporting surface to a side close to the first supporting surface.

5. The soft pack battery module welding tool according to claim 2, characterized in that: The fourth supporting surface is an inclined surface whose height gradually decreases from a side away from the second supporting surface to a side close to the second supporting surface.

6. The soft pack battery module welding tool according to claim 3, characterized in that: The first supporting surface is formed with a plurality of first protrusions extending outward from the first supporting surface. The plurality of first protrusions are evenly arranged along the length direction of the first supporting surface. A first placement space for placing a soft-pack battery cell is formed between every two adjacent first protrusions.

7. The soft pack battery module welding tool according to claim 6, characterized in that: The second supporting surface is formed with a plurality of second protrusions extending outward from the second supporting surface, the plurality of second protrusions are evenly arranged along the length direction of the second supporting surface, and a second placement space for placing the soft-pack battery cell is formed between every two adjacent second protrusions.

8. The soft pack battery module welding tool according to claim 7, characterized in that: The first placement space and the second placement space correspond to each other one by one.

9. The soft pack battery module welding tool according to claim 2, characterized in that: The third support surface has two sides respectively formed with third protrusions extending outward from the third support surface, and the fourth support surface has two sides respectively formed with fourth protrusions extending outward from the fourth support surface.

10. The soft pack battery module welding tool according to claim 1, characterized in that: It also includes a box-entering rod, which is inserted between two groups of soft-pack battery cells arranged on the first supporting surface and the second supporting surface to facilitate lifting the soft-pack battery cells into the box.

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