CN218904163U

CN218904163U - Battery pack manufacturing tool

Info

Publication number: CN218904163U
Application number: CN202223375796.8U
Authority: CN
Inventors: 杜俊丰; 邓依恒; 桂昊; 金佺良
Original assignee: Jiangsu Zenergy Battery Technologies Co Ltd
Current assignee: Jiangsu Zenio New Energy Battery Technologies Co Ltd
Priority date: 2022-12-15
Filing date: 2022-12-15
Publication date: 2023-04-25
Anticipated expiration: 2032-12-15

Abstract

The disclosure provides a battery pack manufacturing tool, relates to the technical field of batteries. The battery pack manufacturing tool comprises a substrate, a supporting piece and an elastic piece, wherein one end of the elastic piece is connected with the substrate, the other end of the elastic piece is connected with the supporting piece, and the supporting piece is used for being abutted to one side, away from the pole, of the battery. The tool can elastically support the batteries so that all the batteries can be well supported in the assembling process of the pole column side of the batteries, the problem of unstable battery support caused by inconsistent heights of a plurality of batteries is solved, and the assembling efficiency and the assembling quality of the battery pack are improved.

Description

Battery pack manufacturing tool

Technical Field

The utility model relates to the technical field of batteries, in particular to a battery pack manufacturing tool.

Background

In the assembly process of the existing battery pack, the pole post of the battery needs to be welded with the connecting sheet. If the pole is arranged at the bottom of the battery pack, the battery needs to be adhered and fixed in the box body, and the pole of the battery faces downwards. After fixing, the battery and the box body are turned over by 180 degrees and placed on the platform, so that the pole is placed upwards, and then the welding of the pole and the connecting sheet is performed.

In the welding process, the battery has processing errors, so that the height of the battery is different, the platform cannot completely support the battery after overturning, and the battery with smaller height has the risk of falling off due to the action of gravity, so that the welding of the battery pole and the connecting sheet is influenced.

Disclosure of Invention

The utility model aims to provide a battery pack manufacturing tool which can have a good supporting effect on all batteries, avoid the unstable supporting condition caused by the height difference of the batteries and is beneficial to improving the assembly efficiency and the assembly quality of the battery pack.

Embodiments of the present utility model are implemented as follows:

in a first aspect, the utility model provides a battery pack manufacturing tool, wherein a battery pack comprises a box body and a plurality of batteries arranged in the box body, and the batteries are provided with polar posts; the tool comprises:

a substrate;

a support;

and one end of the elastic piece is connected with the substrate, the other end of the elastic piece is connected with the supporting piece, and the supporting piece is used for abutting against one side, away from the pole, of the battery.

In an alternative embodiment, the elastic member is provided at the center of the support member, or the elastic member is symmetrically distributed about the center of the support member.

In an alternative embodiment, the number of the supporting members is plural, and each supporting member is used for supporting one or more of the batteries.

In an alternative embodiment, the cross-section of the support members is rectangular, and each support member is connected to at least one of the elastic members.

In an alternative embodiment, the support member has an abutment surface for abutting against the battery, the abutment surface being a side surface of the support member remote from the elastic member; the abutting surfaces of the supporting pieces are located on the same plane.

In an alternative embodiment, the shape and size of each support member is adapted to the shape and size of the battery, and each support member is configured to be disposed corresponding to one of the batteries.

In an alternative embodiment, the elastic member is welded to the support member and the base plate, respectively.

In an alternative embodiment, the elastic member is a spring or a shrapnel.

In an alternative embodiment, the distance between the surface of the elastic piece on one side of the substrate and the surface of the supporting piece on the other side away from the substrate is L, wherein L is more than or equal to h1-h+a+b;

wherein h1 represents the overall height of the box; h represents the height of the battery excluding the post; a represents a machining error of the battery in the height direction; b represents a processing error of the substrate in the height direction.

In an alternative embodiment, the base plate is provided with a positioning member, and the positioning member is used for limiting the box body.

The beneficial effects of the embodiment of the utility model include:

according to the battery pack manufacturing tool, the elastic piece and the supporting piece are arranged on the base plate, in the welding process of the connecting piece and the pole, after the box body and the battery are turned over, even if the batteries have height differences, the supporting piece can elastically support all the batteries, so that the batteries are stably and reliably supported, the batteries are prevented from falling, the welding quality and the welding efficiency of the pole and the connecting piece are improved, and the assembly efficiency and the assembly quality of the battery pack are improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a view angle of a battery pack manufacturing tool according to an embodiment of the present utility model;

fig. 2 is a schematic diagram of an application scenario of a battery pack manufacturing tool according to an embodiment of the present utility model;

fig. 3 is a schematic structural diagram of a battery in a battery pack according to an embodiment of the present utility model;

fig. 4 is a schematic structural diagram of another view angle of the battery pack manufacturing tool according to the embodiment of the present utility model;

fig. 5 is a schematic partial structure diagram of a battery pack manufacturing tool according to an embodiment of the present utility model;

fig. 6 is a schematic view of a state structure of an application scenario of a battery pack manufacturing tool according to an embodiment of the present utility model;

fig. 7 is a schematic structural diagram of a case of a battery pack according to an embodiment of the present utility model.

Icon: 100-manufacturing a battery pack; 110-a substrate; 130-a support; 131-an abutting surface; 150-an elastic member; 200-battery pack; 210-a box body; 211-opening; 213-positioning plate; 215-colloid; 220-battery; 221-pole; 223-shoulder; 230-connecting piece.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1 to 3, the present embodiment provides a battery pack manufacturing tool 100, which is used in an assembly process of a battery pack 200, and is particularly suitable for a welding process of a terminal 221 and a connecting piece 230 of a battery 220. The battery pack 200 in this embodiment includes a case 210 and a plurality of batteries 220 disposed in the case 210, where the batteries 220 are provided with two poles 221, and the two poles 221 are located on the same side of the batteries 220. After the plurality of batteries 220 are assembled to form the battery pack 200, the pole 221 is located at the bottom of the battery pack 200.

It will be appreciated that in the prior art, if the pole is disposed at the bottom of the battery pack, the battery needs to be adhesively fixed in the case, and the pole of the battery faces downward. After fixing, the battery and the box body are turned over by 180 degrees and placed on the platform, so that the pole is placed upwards, and then the welding of the pole and the connecting sheet is performed. In the welding process, due to the fact that the batteries have machining errors and the heights of a plurality of batteries are different, after the box body is turned over, the platform cannot completely support all the batteries, and the batteries with smaller heights have the falling risk due to the action of gravity, so that the welding of the battery pole and the connecting sheet is affected.

In order to overcome at least one defect of the prior art, the present embodiment provides a battery pack manufacturing tool 100, which comprises a substrate 110, a support member 130 and an elastic member 150, wherein one end of the elastic member 150 is connected with the substrate 110, the other end is connected with the support member 130, and the support member 130 is used for abutting against one side of the battery 220 away from the pole 221. The tool can elastically support the batteries 220, so that all the batteries 220 can be well supported in the assembling process of the pole 221 side of the batteries 220, the problem of unstable support of the batteries 220 caused by inconsistent heights of the batteries 220 is solved, and the assembling efficiency and the assembling quality of the battery pack 200 are improved.

It should be appreciated that the support 130 may enable support of the battery 220 after the battery 220 and the case 210 are turned 180 degrees and placed on the base plate 110. Because the elastic piece 150 is arranged between the base plate 110 and the supporting piece 130, the supporting piece 130 can play a good supporting role for the batteries 220 with different heights, so that the stability of the batteries 220 in the assembly process is ensured, especially in the welding process of the pole 221 and the connecting piece 230, the stability of the batteries 220 is kept, the welding quality and the welding efficiency can be effectively improved, and the production efficiency and the quality of the battery pack 200 are further improved.

Alternatively, the elastic member 150 is disposed at the center of the support member 130, or the elastic member 150 is symmetrically distributed about the center of the support member 130. If the number of the elastic members 150 is one, the elastic members 150 are disposed at the center of the supporting member 130. If the number of the elastic members 150 is plural, the plurality of elastic members 150 are symmetrically distributed, so that the supporting force applied to the battery 220 is uniformly dispersed when the battery 220 is pressed on the supporting member 130, preventing the battery 220 from tilting, and improving the stability of the battery 220, thereby improving the welding quality and efficiency.

The number of supports 130 may be one or more, each support 130 for supporting one or more batteries 220. In this embodiment, the support 130 has a rectangular cross section and a plate-like structure. The plate-like structure can increase the contact area of the support 130 and the battery 220, thereby improving the stability of the support of the battery 220. Each supporting member 130 is connected to at least one elastic member 150, in this embodiment, each supporting member 130 is connected to four elastic members 150, and the four elastic members 150 are respectively connected to four corners of the supporting member 130. The elastic members 150 are uniformly dispersed at four corners of the support 130, and provide more uniform supporting force. And the stress of the elastic piece 150 is more uniform, which is beneficial to prolonging the service life of the tool.

In the present embodiment, the number of the supporting members 130 is equal to the number of the batteries 220 in the battery pack 200. The shape and size of each support 130 are adapted to the shape and size of the battery 220, and each support 130 is adapted to be disposed corresponding to one battery 220. That is, one supporting member 130 supports one battery 220, and each supporting member 130 is provided with four elastic members 150, so that the balance of the stress of all the batteries 220 can be ensured, and the batteries 220 can be effectively supported.

Of course, the cross-sectional shape of the support 130 may be square, circular, oval, triangular, or any other shape, and each support 130 may be connected to one, two, three, five, six, or more elastic members 150, and one battery 220 may be supported by one or more supports 130, which is not particularly limited herein.

Optionally, the supporting member 130 has an abutting surface 131 for abutting against the battery 220, and the abutting surface 131 is a surface of the supporting member 130 away from the elastic member 150; the abutting surfaces 131 of the plurality of supporting members 130 are located on the same plane. In this way, it is ensured that all the batteries 220 are reliably supported. Of course, in some embodiments, the abutment surfaces 131 of the plurality of support members 130 may be allowed to lie in planes of different heights within a certain range, so long as the plurality of support members 130 can support all of the batteries 220 by ensuring that the batteries 220 are pressed against the support members 130.

The elastic member 150 may be a spring or a spring sheet, or a rubber pad or other elastic member. In this embodiment, the elastic member 150 is a compression spring. The elastic member 150 is welded to the support member 130 and the substrate 110, respectively. Alternatively, other connection methods may be used for both the elastic member 150 and the supporting member 130 and for both the elastic member 150 and the base plate 110, including but not limited to clamping, bolting, riveting or bonding.

Alternatively, the heights of the elastic member 150 and the supporting member 130 have a corresponding design range in consideration of the processing height error of the battery 220 and the processing error of the base plate 110, the case 210, etc. Specifically, referring to FIGS. 5 and 6, the distance between the side surface of the elastic member 150 of the substrate 110 and the side surface of the supporting member 130 away from the substrate 110 is L, L being greater than or equal to h1-h+a+b; i.e., L, represents the total height of the elastic member 150 and the supporting member 130. Wherein h1 represents the overall height of the case 210, i.e., the distance from the upper surface to the lower surface of the case 210; h represents the height of the battery 220 excluding the pole 221; a represents a machining error of the battery 220 in the height direction; b denotes a processing error of the substrate 110 in the height direction. In other words, the height of battery 220 (without pole 221) is h±a; the height of the case 210 is h1; the height (thickness) of the substrate 110 is h2±b. Limiting L to satisfy L.gtoreq.h1-h+a+b, not only taking into account the height difference between the case 210 and the battery 220, but also taking into account the processing errors of the battery 220 and the substrate 110, so that the support 130 can play a good supporting role on all the batteries 220 within the processing error range, and ensure the supporting effect. Of course, L also needs to be less than h1.

Optionally, a positioning member (not shown) is disposed on the base plate 110, and the positioning member is used to limit the case 210. This facilitates the quick positioning of the base plate 110 and the case 210, and when the positioning of the base plate 110 and the case 210 is completed, it is ensured that each of the supporting members 130 corresponds to the battery 220 one by one, so that good support of all the batteries 220 is achieved. The positioning piece comprises, but is not limited to, a positioning groove, a positioning hole, a limiting column or a limiting block and the like, so long as the positioning or limiting effect can be realized. Of course, in some embodiments, the positioning member may be omitted.

Referring to fig. 1 to 4 and fig. 7, a battery pack manufacturing tool 100 according to an embodiment of the present utility model is used as follows:

an opening 211 is provided at one side of the case 210 for placing the battery 220 into the case 210. The bottom of the case 210 (the side away from the opening 211) is provided with positioning plates 213 at intervals, the poles 221 of the battery 220 are exposed from the gaps between the adjacent positioning plates 213, and the end of the side surface of the battery 220 provided with the poles 221 (i.e., the shoulder 223) is bonded to the positioning plates 213.

Specifically, the opening 211 of the case 210 faces upward, and the glue 215 is coated on the side of the positioning plate 213 facing the opening 211, and optionally, the glue 215 may be coated on the inner side wall of the case 210. A plurality of batteries 220 are placed side by side in the case 210, and the poles 221 of the batteries 220 are directed toward the bottom of the case 210, i.e., the poles 221 are located at the side of the case 210 away from the opening 211, in short, the poles 221 of the batteries 220 are placed downward.

After all the batteries 220 are assembled into the case 210, the battery pack manufacturing tool 100 is covered on one side of the opening 211 of the case 210, the batteries 220 are pressed, the supporting member 130 abuts against one side of the battery 220 away from the pole 221, and at this time, the substrate 110 is located at the uppermost side, as can be seen in fig. 6. And then the battery pack manufacturing tool 100, the box 210 and the battery 220 are integrally turned over by 180 degrees, the base plate 110 is positioned at the lowest surface, and the battery 220 and the box 210 are pressed on the base plate 110. At this time, the pole 221 of the battery 220 faces upward, facilitating welding of the pole 221 and the connection piece 230. Fig. 2 is a schematic view of the state after the connection piece 230 is welded to the pole 221.

The battery pack manufacturing tool 100 is not only suitable for the welding process of the connecting piece 230 and the pole 221, but also can be applied to other assembly scenes which are similarly required to be supported, and is not particularly limited herein.

In summary, the battery pack manufacturing tool 100 provided by the embodiment of the utility model has the following beneficial effects:

in the battery pack manufacturing tool 100, since the elastic piece 150 and the supporting piece 130 are arranged on the substrate 110, after the box body 210 and the battery 220 are turned over in the welding process of the connecting piece 230 and the pole 221, even if the height difference exists between the battery 220, the supporting piece 130 can elastically support all the batteries 220, so that all the batteries 220 are stably and reliably supported, the batteries 220 are prevented from falling, the welding quality and efficiency of the pole 221 and the connecting piece 230 are improved, and the assembly efficiency and the assembly quality of the battery pack 200 are improved.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The battery pack manufacturing tool is characterized by comprising a box body and a plurality of batteries arranged in the box body, wherein the batteries are provided with pole posts; the tool comprises:

a substrate;

a support;

2. The battery pack manufacturing tool according to claim 1, wherein the elastic member is disposed at the center of the supporting member, or the elastic member is symmetrically disposed about the center of the supporting member.

3. The battery pack manufacturing tool of claim 1, wherein the number of support members is plural, each support member for supporting one or more of the batteries.

4. The battery pack manufacturing tool of claim 1, wherein the cross-section of the support members is rectangular, and each support member is connected to at least one elastic member.

5. The battery pack manufacturing tool according to claim 1, wherein the supporting member has an abutting surface for abutting against the battery, the abutting surface being a surface of the supporting member on a side away from the elastic member; the abutting surfaces of the supporting pieces are located on the same plane.

6. The battery pack manufacturing tool of claim 1, wherein each of the support members is shaped and sized to fit the shape and size of the battery, and each of the support members is configured to be positioned corresponding to one of the batteries.

7. The battery pack manufacturing tool of claim 1, wherein the elastic member is welded to the support member and the substrate, respectively.

8. The battery pack manufacturing tool according to claim 1, wherein the elastic piece is a spring or a shrapnel.

9. The battery pack manufacturing tool according to claim 1, wherein a distance between a side surface of the substrate, on which the elastic member is arranged, and a side surface of the support member, away from the substrate is L, L being equal to or greater than h1-h+a+b;

10. The battery pack manufacturing tool according to any one of claims 1 to 9, wherein a positioning member is provided on the base plate, and the positioning member is used for limiting the box body.