CN218333890U

CN218333890U - Finished battery and battery assembling tool

Info

Publication number: CN218333890U
Application number: CN202222037399.3U
Authority: CN
Inventors: 阮祖云; 曾勇; 李德壮; 柯华波
Original assignee: GAC Aion New Energy Automobile Co Ltd
Current assignee: GAC Aion New Energy Automobile Co Ltd
Priority date: 2022-08-03
Filing date: 2022-08-03
Publication date: 2023-01-17
Anticipated expiration: 2032-08-03

Abstract

The embodiment of the application provides a finished battery and a battery assembling tool, and relates to the field of batteries. The finished battery comprises a shell with an opening at the top end and a cover plate covering the opening of the shell. The battery assembling tool comprises a tool body and an integrated cover plate covering the top of the tool body; the upper surface of the tool body is downwards sunken to form a plurality of battery cell placing grooves for placing the shell; the integrated cover plate comprises a plurality of cover plates, each cover plate is connected through a frame, and each cover plate can be separated from the frame when being subjected to downward force; the quantity of apron is the same with the quantity of electric core standing groove, and every apron corresponds and sets up directly over electric core standing groove. The finished battery is simple to assemble, and the battery assembling tool can well improve the assembling efficiency of the finished battery and greatly improve the productivity of the finished battery.

Description

Finished battery and battery assembling tool

Technical Field

The application relates to the field of batteries, in particular to a finished battery and a battery assembling tool.

Background

With the development of the automobile industry, the demand of the power battery is also increasing.

However, the current power battery has a slow production speed and a low production efficiency in the assembly process, for example: the time for fixing the tabs is long, and the speed for installing the shell and the cover plate is slow.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a finished battery and a battery assembling tool, the finished battery is simple to assemble, the assembling efficiency of the finished battery can be well improved by the battery assembling tool, and the productivity of the finished battery can be greatly improved.

In a first aspect, an embodiment of the present application provides a finished battery, which includes a case with an opening at a top end, and a cover plate covering the opening of the case; a wound battery cell is arranged in the shell, and paired tabs are arranged on the surface of the battery cell close to the opening of the shell; a fixing support for fixing the pole lug is embedded in the position, close to the opening, in the shell, and the fixing support is detachably arranged around the pole lug in a surrounding mode.

In the implementation process, the cover plate is matched with the shell, so that a closed space can be provided for the battery cell, the battery cell is ensured to have a good working environment and is not influenced by the outside, and the safety of the finished battery is enhanced; paired tabs in the battery core can lead current out of the battery core, so that the finished battery is convenient to discharge outwards.

The fixed bolster inlays to be established in the casing, and the solid support encloses to establish around utmost point ear for detachably moreover, and the fixed bolster can play the effect of fixed utmost point ear like this, guarantees the stability of utmost point ear, can load fast again simultaneously and dismantle, is favorable to improving the production efficiency of finished product battery, increases the productivity of finished product battery.

In a possible implementation manner, the fixed support comprises a first support and a second support, the first support and the second support are detachably connected, a first accommodating groove for accommodating the pole lug is formed in the first support, and a second accommodating groove is formed in the second support corresponding to the first accommodating groove; when first support and second leg joint, first holding tank and second holding tank can enclose to establish and form the frame that holds that is used for fixed utmost point ear.

In the technical scheme, when the first support and the second support are connected, the accommodating frame formed between the first accommodating groove and the second accommodating groove can play a role in fixing the tab; set up solid support components of a whole that can function independently, set up first holding tank and second holding tank moreover, just so can make solid support dismantle fast or connect, can play the effect of fixed utmost point ear again.

In a possible implementation mode, a buckle is arranged on the first support, a clamping groove matched with the buckle is formed in the second support, and the fixed support is detachably connected with the clamping groove through the buckle.

In the technical scheme, the buckle and the clamping groove are respectively arranged on the first support and the second support, so that the fixing support can be rapidly loaded and disassembled, the production efficiency of finished batteries is improved, and the productivity of the finished batteries is increased.

In a possible implementation manner, the edge of the fixing support is provided with a rib, and the fixing support is in interference fit with the shell through the rib so as to be embedded in the shell.

In above-mentioned technical scheme, the rib at fixed bolster border can make fixed bolster and casing realize interference fit, and the fixed bolster just can inlay more firmly in the casing like this.

In a possible implementation manner, a pole is arranged at the position of the cover plate corresponding to the pole lug, and the pole is electrically connected with the pole lug; the area between the paired poles is an explosion-proof area, and the thickness of the explosion-proof area is smaller than that of the poles.

In the implementation process, the tab and the pole are electrically connected, and the current in the tab can be led out to the outside of the finished battery, so that the current is discharged to the outside; when the internal pressure of the assembled battery is too high, the pressure can be released from the area of the thinner explosion-proof area, so that the safety performance of the assembled battery can be improved.

In one possible implementation, an adapter sheet is arranged between the pole post and the pole lug and used for welding and fixing the pole post and the pole lug.

In the implementation process, the adapter plate between the pole lug and the cover plate can play a role in welding the pole lug and the pole column, so that the connection between the pole lug and the pole column is tighter.

In a second aspect, an embodiment of the present application provides a battery assembling tool, which includes a tool body and an integrated cover plate covering the top of the tool body;

the upper surface of the tool body is downwards sunken to form a plurality of battery cell placing grooves for placing the shell; the integrated cover plate comprises a plurality of cover plates, each cover plate is connected through a frame, and each cover plate can be separated from the frame when being subjected to downward force; the quantity of apron is the same with the quantity of electric core standing groove, and every apron corresponds and sets up directly over electric core standing groove.

In the implementation process, the battery shell can be placed in the battery cell placing grooves, the plurality of battery cell placing grooves are formed in the tool body, and the plurality of battery shells can be placed at the same time. A cover plate is arranged right above each battery cell placing groove; when a downward force is applied to the integrated cover, the individual covers can be separated from the bezel and assembled to the housing. The battery assembling tool can be used for assembling a plurality of cover plates and a plurality of shells into a battery at the same time, and compared with the existing equipment which can only assemble one cover plate and one shell at a time, the battery assembling tool in the embodiment of the application can greatly improve the production efficiency of finished batteries.

In one possible implementation, all the cell placement grooves are arranged in a row, and both ends of any two cell placement grooves are flush.

In the implementation process, the battery cell placing grooves are arranged into a regular structure, so that the difficulty of battery assembly is reduced.

In a possible implementation manner, a plurality of connecting ribs are arranged on the frame, each connecting rib is arranged around one cover plate, and each cover plate is fixed with the frame through the corresponding connecting rib.

In the above-mentioned realization process, the connection rib not only is favorable to fixing the apron on the frame, can also make the apron break away from the frame easily, is favorable to reducing the assembly degree of difficulty of battery.

In one possible realization, pairs of die-cuts are provided on the connecting webs around each cover plate, which pairs of die-cuts are located at the position of the ends of the cover plate.

In the implementation process, the punching interfaces on the connecting ribs are more favorable for separating the cover plate from the frame, so that the cover plate is assembled with the shell.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a finished battery provided in an embodiment of the present application;

fig. 2 is a schematic structural diagram of a housing provided in an embodiment of the present application;

fig. 3 is a schematic structural view of a finished battery without a top cover according to an embodiment of the present disclosure;

FIG. 4 is a top view of FIG. 3;

fig. 5 is a schematic structural diagram of a cell;

FIG. 6 is a schematic structural view of a fixing bracket;

FIG. 7 is a schematic view of a first bracket;

FIG. 8 is an enlarged view taken at A in FIG. 7;

FIG. 9 is a schematic structural view of a second bracket;

FIG. 10 is an enlarged view at B of FIG. 9;

FIG. 11 is a schematic structural view of a battery assembly fixture;

FIG. 12 is a schematic structural view of the tool body;

FIG. 13 is a schematic view of the structure of the integrated cover plate;

FIG. 14 is a top view of FIG. 13;

fig. 15 is a cross-sectional view at F-F' in fig. 14.

Icon: 001-finished battery; 002-assembling a battery; 100-a housing; 110-opening; 200-a cover plate; 210-pole; 220-explosion-proof area; 300-electric core; 310-a tab; 400-an adaptor sheet; 500-fixing the bracket; 510-a first scaffold; 511-a first receiving tank; 512-buckling; 520-a second support; 521-a second accommodating groove; 522-card slot; 530-ribs; 600-a tool body; 610-cell placement grooves; 700-an integrated cover plate; 710-a border; 720-connecting ribs; 721-making an incision.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.

In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally found in use of products of the application, and are used only for convenience in describing the present application and for simplification of description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present application, it is further noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

First embodiment

Referring to fig. 1 to 10, a finished battery 001 according to the present embodiment includes a casing 100 with an opening at one end, a cover plate 200 covering the opening 110 of the casing 100 with an opening at one end, and a winding-formed battery cell 300 disposed inside the casing 200, where the cover plate 200 is matched with the casing 100 to provide a closed space for the battery cell 300, so as to ensure that the battery cell 300 has a good working environment and is not affected by the outside, and to enhance the safety of the finished battery 001.

The surface of the battery cell 300 close to the opening 110 of the casing 100 is provided with a pair of tabs 310, which are respectively a positive tab 310 and a negative tab 310, and the tabs 310 can draw current from the battery cell 300, so that the finished battery 001 can discharge outwards conveniently. In addition, the cover plate 200 in this embodiment is further provided with a pole 210 at a position corresponding to the pole lug 310 on the battery cell 300, and the pole 210 can be electrically connected with the pole lug 310, and is used for leading out the current in the pole lug 310 to the outside of the finished battery 001, so as to discharge to the outside; the area between the poles 210 is the explosion-proof area 220, for example, the thickness of the explosion-proof area 220 is smaller than that of the poles 210, when the internal pressure of the assembled battery is too large, the pressure can be released from the area of the thinner explosion-proof area 220, and thus the safety performance of the assembled battery can be improved. In addition, an adaptor sheet 400 is further disposed between the pole 210 and the tab 310 for welding and fixing the pole 210 and the tab 310.

A fixing support 500 for fixing the tab 310 is embedded in the casing 100 at a position close to the opening 110, and the fixing support 500 is detachably arranged around the tab 310 for fixing the tab 310.

In this embodiment, in order to make the fixed bolster 500 realize the detachable effect, carry out the components of a whole that can function independently setting with the fixed bolster 500, the fixed bolster 500 divides into first support 510 and second support 520, be provided with the first holding tank 511 that is used for holding utmost point ear 310 on the first support 510, the position that the second support 520 corresponds first holding tank 511 is provided with second holding tank 521, when first support 510 and second support 520 are connected, first holding tank 511 and second holding tank 521 can enclose to establish and form the frame that holds that is used for fixed utmost point ear 310, fixed bolster 500 can enough realize dismantling the connection like this, can fix utmost point ear 310 again. In the embodiment, the first bracket 510 is provided with the fastener 512, and the second bracket 520 is provided with the locking groove 522 matched with the fastener 512 of the first bracket 510, so that the connection between the first bracket 510 and the second bracket 520 is more stable, and the loading and the unloading are more convenient. In addition, in order to ensure that the fixing bracket 500 can be embedded in the casing 100 more stably, in this embodiment, a rib 530 is further disposed at an edge of the fixing bracket 500, and through the rib 530, the fixing bracket 500 can be in interference fit with the casing 100 to be embedded in the casing 100 more stably, which is more beneficial to stabilizing the tab 310.

Second embodiment

As shown in fig. 1 to 15, the present embodiment provides a battery assembly fixture 002 for assembling a finished battery 001 in the first embodiment, the battery assembly fixture 002 includes a fixture body 600 and an integrated cover plate 700 covering the top of the fixture body 600, the upper surface of the fixture body 600 is recessed downward to form a plurality of battery cell placing slots 610 for placing the casing 100. As an example, the cell placing grooves 610 in the present embodiment are arranged in a row, and two ends of any two cell placing grooves 610 are parallel and level, so that the regular arrangement of the cell placing grooves 610 is beneficial to reducing the difficulty in preparing the finished battery 001.

In this embodiment, the integrated cover plate 700 is formed by combining the frame 710 and the cover plates 200 in the first embodiment, the number of the cover plates 200 is the same as that of the cell placement grooves 610, each cover plate 200 is connected by the frame 710, and when the integrated cover plate 700 is covered on the top of the tool body 600, the cover plates 200 are located right above the cell placement grooves 610.

In addition, the frame 710 in this embodiment is provided with the same number of connecting ribs 720 as the number of the integrated cover plates 700, each connecting rib 720 is arranged around one cover plate 200, each cover plate 200 is fixed to the frame 710 through the corresponding connecting rib 720, and each connecting rib 720 is further provided with a pair of die-cut openings 721, and the pair of die-cut openings 721 are located at corresponding positions at the ends of the cover plates 200. The provision of the connection ribs 720 on the bezel 710 enables the cover plate 200 to be easily separated from the bezel 710, facilitating the assembly of the cover plate 200 with the housing 100.

The present embodiment also provides a method of assembling the finished battery 001 of the first embodiment, which includes the steps of:

s100, winding a current collector to form a battery cell 300 with tabs 310.

S200, placing the battery cell 300 inside the casing 100, so that the tab 310 on the battery cell 300 is close to the opening 110 of the casing 100, and fixing the tab 310 by using the fixing support 500.

And S300, welding an adapter sheet 400 on the pole lug 310.

S400, using the battery assembling tool 002 to assemble the cover plates 200 on the plurality of housings 100 at the same time, so that the battery cells 300 on each housing 100 are electrically connected with the poles 210 on each cover plate 200.

The method comprises the following steps: the eight cases 100 loaded with the battery cells 300 are placed in the cell placement slots 610 of the tool body 600, such that the openings of the cases 100 face upward, then the integrated cover plate 700 is covered on top of the tool body 600, each cover plate 200 in the integrated cover plate 700 is ensured to be located right above the opening 110 of the case 100, and then a downward force is applied to the integrated cover plate 700, so as to separate the cover plate 200 from the frame 710, at which time each cover plate 200 is assembled with the corresponding case 100.

S500, welding the shell 100 and the cover plate 200, and welding the adapter plate 400 and the pole 210.

The battery assembling tool 002 in the embodiment is simple in structure, the assembling method is convenient to operate, the casing 100 and the cover plate 200 are assembled by using the battery assembling tool 002 in the embodiment and the assembling method in the embodiment, and a plurality of finished batteries 001 can be assembled at one time, so that the assembling efficiency of the finished batteries 001 is greatly improved, and the productivity of the finished batteries 001 can be greatly improved.

The above embodiments are merely examples of the present application and are not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A finished battery is characterized by comprising a shell with an opening at the top end and a cover plate covering the opening of the shell;

a wound battery cell is arranged in the shell, and paired tabs are arranged on the surface of the battery cell close to the opening of the shell;

the position that is close to the opening part in the casing inlays and is equipped with the fixed bolster that is used for fixing utmost point ear, fixed bolster detachably encloses to be established around utmost point ear.

2. The finished battery as claimed in claim 1, wherein the fixing bracket comprises a first bracket and a second bracket, the first bracket and the second bracket are detachably connected, the first bracket is provided with a first receiving groove for receiving the tab, and the second bracket is provided with a second receiving groove corresponding to the first receiving groove; when the first support is connected with the second support, the first accommodating groove and the second accommodating groove can be surrounded to form an accommodating frame for fixing the tab.

3. The finished battery as claimed in claim 2, wherein the first bracket is provided with a buckle, the second bracket is provided with a slot matched with the buckle, and the fixing bracket is detachably connected with the slot through the buckle.

4. The finished battery as claimed in claim 1, wherein the edge of the fixing bracket is provided with a rib, and the fixing bracket is embedded in the case through interference fit of the rib and the case.

5. The finished battery as claimed in claim 1, wherein the cover plate is provided with a pole at a position corresponding to the tab, and the pole is electrically connected with the tab; and the area between the paired polar columns is an explosion-proof area, and the thickness of the explosion-proof area is smaller than that of the polar columns.

6. The finished battery as claimed in claim 5, wherein an interposer is disposed between the terminal post and the tab for welding and fixing the terminal post and the tab.

7. The battery assembling tool is characterized by comprising a tool body and an integrated cover plate covering the top of the tool body;

the upper surface of the tool body is downwards sunken to form a plurality of battery cell placing grooves for placing the shell; the integrated cover plate comprises a plurality of cover plates, each cover plate is connected through a frame, and each cover plate can be separated from the frame when being subjected to downward force; the number of the cover plates is the same as that of the battery cell placing grooves, and each cover plate is correspondingly arranged right above the battery cell placing grooves.

8. The battery assembling tool according to claim 7, wherein all the cell placing grooves are arranged in a column, and two ends of any two of the cell placing grooves are flush.

9. The battery assembling tool according to claim 7, wherein a plurality of connecting ribs are arranged on the frame, each connecting rib is arranged around one cover plate, and each cover plate is fixed to the frame through the corresponding connecting rib.

10. The battery assembling tool according to claim 7, wherein a pair of punching openings are formed in the connecting rib around each cover plate, and the pair of punching openings are located at the end portions of the cover plates.