CN218907999U

CN218907999U - Battery cell tray and transfer device

Info

Publication number: CN218907999U
Application number: CN202320152633.9U
Authority: CN
Inventors: 岳敏; 李福桥; 大浦靖; 余丹
Original assignee: Shenzhen Yanyi New Materials Co Ltd
Current assignee: Shenzhen Yanyi New Materials Co Ltd
Priority date: 2023-02-08
Filing date: 2023-02-08
Publication date: 2023-04-25
Anticipated expiration: 2033-02-08

Abstract

The utility model belongs to the technical field of battery production, and discloses a battery cell tray and a transfer device. The battery cell tray comprises a tray body; the tray body is concavely provided with a battery core accommodating groove, one side of the battery core accommodating groove is communicated with the battery core accommodating groove, and a separation part is arranged in the battery core accommodating groove; the electric core holding tank is used for holding electric core body, and the air pocket holding tank is used for holding electric core air pocket, and the positive pole ear and the negative pole ear of electric core can be separated to the partition portion. This electric core tray not only can hold electric core body and its electric core air pocket completely, holds and fixed effect better, prevents that the electric core from coming off in the electric core holding tank to prevent the utmost point ear between two adjacent electric cores and contact each other, the partition portion can fix the utmost point ear and prevent the anodal ear and the negative pole ear contact of electric core, prevents that the damage phenomenon that causes because of the utmost point ear short circuit from appearing in the electric core, improves the quality of follow-up machine-shaping's battery, improves the yields.

Description

Battery cell tray and transfer device

Technical Field

The utility model relates to the technical field of battery production, in particular to a battery cell tray and a transfer device.

Background

Currently, with the increasingly prosperous battery industry of emerging electronic products, the competition is more and more vigorous, and not only is the competition of technology and resources, but also the competition of battery quality and manufacturing cost. In the process of industrially producing the soft package battery core, the finished product and the semi-finished product are required to be stored and circulated, and the battery core tray is a common tool in the process of storing and circulating. Especially, the 3C type digital battery cell after formation, because the battery cell tray used in the prior art has larger space for storing battery cells, unreasonable layout and small size, and when the battery cells are placed on the battery cell tray, the phenomenon of external short circuit caused by contact of lugs among a plurality of battery cells is extremely easy to occur due to scattered battery cells in the turnover process.

Therefore, when the battery core tray is used for storing or transferring battery cores, processed battery products are very easy to generate defective products, and most of defective products are difficult to check in a short time, and when the defective products are delivered to a client side due to failure in finding out in time, poor use experience and economic loss of the client side can be caused, so that the benefit of enterprises is damaged.

In order to avoid the phenomenon that the battery cell is damaged due to external short circuit and appearance occurring in the battery cell tray, the targeted tray is used for battery cell turnover in the prior art, but the short circuit phenomenon is easy to occur because the current commonly used tray is also small in size due to the fact that the distance between the inner grooves of the tray is short and the volume of the accommodating groove is small, and when the small battery cell is placed in the accommodating groove, the small battery cell is small in size, the distance between the lugs is short and the exposed size of the lugs is long, and the lugs are easy to bend or slide into other battery cell trays.

In view of the above drawbacks, it is desirable to provide a novel battery cell tray to overcome the above drawbacks.

Disclosure of Invention

The utility model aims to provide a battery cell tray which can optimize the space for storing battery cells, better fix and contain the battery cells and prevent the battery cells from being short-circuited.

To achieve the purpose, the utility model adopts the following technical scheme:

the battery cell tray comprises a tray body; a battery cell accommodating groove is concavely formed in the tray body, an air bag accommodating groove is communicated with one side of the battery cell accommodating groove, and a separation part is arranged in the battery cell accommodating groove; the battery cell accommodating groove is used for accommodating the battery cell body, the air bag accommodating groove is used for accommodating the battery cell air bag, and the separation part can separate the positive electrode lug and the negative electrode lug of the battery cell.

Optionally, a tray taking slot for taking the tray body is arranged on the side edge of the tray body.

Optionally, at least one tray taking groove is formed on four side edges of the tray body.

Optionally, one of the upper surface and the lower surface of the tray body is provided with a positioning column, the other one is provided with a positioning groove, and the positioning column can be matched and spliced with the positioning groove of another battery cell tray.

Optionally, the height of the positioning post is greater than the depth of the positioning groove.

Optionally, the battery cell tray further includes an insulating pad, and the insulating pad is attached to the inner bottom wall surfaces of the battery cell accommodating groove and the air bag accommodating groove.

Optionally, the width of the battery cell accommodating groove is greater than the width of the battery cell body, and the depth of the battery cell accommodating groove is greater than the thickness of the battery cell body.

Optionally, a plurality of the battery cell accommodating grooves are provided, and a plurality of the battery cell accommodating groove arrays are distributed on the tray body.

Optionally, a piece taking groove is arranged between two adjacent cell accommodating grooves in a penetrating way.

Another object of the utility model is to provide a transfer device comprising a cell tray according to any of the above aspects.

The beneficial effects are that:

according to the battery cell tray, the battery cell body of the battery cell is accommodated through the battery cell accommodating groove, the air bag accommodating groove for accommodating the battery cell air bag is formed in one side of the battery cell accommodating groove, and the separation part for separating the positive electrode lug and the negative electrode lug of the battery cell is further arranged in the battery cell accommodating groove. This electric core tray not only can hold electric core body and its electric core air pocket completely for hold and fixed effect is better, prevents that the electric core from coming off in the electric core holding tank, thereby prevents the utmost point ear between two adjacent electric cores and contact each other, and the partition portion can fix the utmost point ear and prevent the anodal ear and the negative pole ear contact of electric core moreover, and then prevents that the damage phenomenon that causes because of the utmost point ear short circuit from appearing in the electric core, improves the quality of follow-up machine-shaping's battery, improves the yields.

Drawings

Fig. 1 is a schematic structural diagram of a battery cell according to an embodiment of the present utility model;

fig. 2 is a top view of a battery cell tray according to an embodiment of the present utility model.

In the figure:

10. a cell body; 11. a positive electrode tab; 12. a negative electrode ear; 13. side seal edges; 14. top seal edges; 15. a cell air bag;

100. a tray body; 110. a cell accommodating groove; 111. a partition portion; 112. round corners of the accommodating grooves; 120. an air bag accommodating groove; 121. a piece taking groove; 122. an insulating spacer; 130. taking a disc groove; 140. and positioning columns.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the 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.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", and the like are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

Referring to fig. 1, in this embodiment, the battery cell tray is used for accommodating a battery cell, where the battery cell is a lithium ion soft package battery cell after formation, the lithium ion soft package battery cell includes a battery cell body 10, one side of the battery cell body 10 has a side seal edge 13 after hot-press sealing, the other side is provided with a battery cell air bag 15, the upper ends of the battery cell body 10 and the battery cell air bag 15 are top seal edges 14 after hot-press sealing, and the upper side of the battery cell body 10 extends outwards to form a positive electrode tab 11 and a negative electrode tab 12 of the battery cell, and the structure of the lithium ion soft package battery cell is a conventional arrangement in the art, and other structures related to the lithium ion soft package battery cell and the processing and forming method and process are not repeated herein.

The structure of the cell tray in this embodiment is described in detail below. As shown in fig. 2, the battery cell tray includes a tray body 100; a battery cell accommodating groove 110 is concavely formed in the tray body 100, an air bag accommodating groove 120 is formed in one side of the battery cell accommodating groove 110 in a communicating manner, and a partition 111 is formed in the battery cell accommodating groove 110; the cell accommodating groove 110 is used for accommodating the cell body 10, the air bag accommodating groove 120 is used for accommodating the cell air bag 15, and the separator 111 can separate the positive electrode tab 11 from the negative electrode tab 12 of the cell.

The battery cell tray in this embodiment accommodates the battery cell body 10 of the battery cell through the battery cell accommodating groove 110, one side of the battery cell accommodating groove 110 is provided with an air bag accommodating groove 120 for accommodating the battery cell air bag 15, and a partition portion 111 for separating the battery cell positive electrode tab 11 and the battery cell negative electrode tab 12 is further provided in the battery cell accommodating groove 110. This electric core tray not only can hold electric core body 10 and its electric core air pocket 15 completely for hold and fixed effect is better, prevents that the electric core from coming off in the electric core holding tank 110, thereby prevents the tab between two adjacent electric cores and contacts each other, and partition portion 111 can fix the tab and prevent the positive tab 11 and the negative pole ear 12 contact of electric core moreover, and then prevents that the damage phenomenon that causes because of the tab short circuit from appearing in the electric core, improves the quality of follow-up machine-formed battery, improves the yields.

The battery cell is prevented from being short-circuited, corrosion and flatulence in the battery cell are avoided, meanwhile, the separation part 111 is clamped between two lugs of the battery cell, one end of the separation part 111 is abutted against the top seal edge 14 of the battery cell, and therefore the battery cell is limited and fixed, flatness of the battery cell during storage is guaranteed, inclination or sliding of the battery cell is avoided, and bending and damage of the lugs caused by collision of the lugs with the inner side wall surface of the battery cell accommodating groove 110 are avoided. In order to prevent the end of the partition 111 from damaging the top seal edge 14, the end of the partition 111 is provided with a chamfer or rounded corner, specifically, the end of the partition 111 is arc-shaped, so that sharp corners of the partition 111 can be prevented from puncturing or damaging the battery cells.

The plurality of the battery cell accommodating grooves 110 in the embodiment are provided, and the plurality of battery cell accommodating grooves 110 are distributed on the tray body 100 in an array. Specifically, the plurality of cell accommodating grooves 110 are arranged in a 3×4 array, and 12 cells are provided in total. Further, a component taking groove 121 is arranged between two adjacent battery cell accommodating grooves 110 in a penetrating way, so that an operator can conveniently extend into the lower part of the battery cell along the component taking groove 121 to take out the battery cell. Specifically, the picking groove 121 is provided so as to penetrate between the cell accommodating groove 110 and the air pocket accommodating groove 120 of the adjacent cell accommodating groove 110.

With continued reference to fig. 2, in this embodiment, a tray taking slot 130 is provided on a side of the tray body 100 for taking the tray body 100. The tray taking groove 130 can facilitate the operator to grasp and withdraw the battery cell tray, thereby improving the operation efficiency.

Optionally, the cell tray further includes an insulating spacer 122, where the insulating spacer 122 is attached to the inner bottom wall surfaces of the cell accommodating groove 110 and the air bag accommodating groove 120. Specifically, the insulating spacer 122 is made of an insulating elastic material, such as insulating silica gel or sponge, and the like, and is not particularly limited herein, and the insulating spacer 122 not only can play a role in insulating protection, but also can play a role in fixing protection, so that the cell accommodating groove 110 is prevented from rubbing to damage the outer surface of the cell when the cell tray is carried, and the appearance of the cell is prevented from being damaged.

Further, at least one tray taking slot 130 is formed on each of the four sides of the tray body 100. Specifically, two tray taking grooves 130 are formed in four sides of the tray body 100, 8 tray taking grooves 130 are formed in total, an operator can conveniently grasp and withdraw the battery cell tray from the periphery, the battery cell tray does not need to be rotated to a grabbing position, and the operation efficiency can be further improved.

With continued reference to fig. 2, one of the upper surface and the lower surface of the tray body 100 is provided with a positioning post 140, and the other is provided with a positioning groove, and the positioning post 140 can be inserted into the positioning groove of the other tray body 100 in a matching manner. Specifically, in this embodiment, a plurality of battery cell trays are generally stacked up and down when in use, the upper surface of the tray body 100 is provided with a positioning groove and the lower surface is provided with a positioning column 140, the positioning column 140 of the upper battery cell tray is inserted into the positioning groove of the lower battery cell tray, so as to realize the fixation and positioning of the upper and lower two trays, prevent the plurality of battery cell trays from tilting when stacking, and improve the stability of the plurality of battery cell trays when stacking. Further, the positioning posts 140 and the positioning slots are provided in a plurality of and one-to-one correspondence. The cooperation of the positioning posts 140 and the positioning slots can further improve the stability of stacking the plurality of battery cell trays.

Preferably, the height of the positioning post 140 is greater than the depth of the positioning groove. The battery core tray that sets up like this can make to leave certain gap and space between two adjacent battery core trays when piling up, prevents that the battery core tray of top from pressing the electric core in the battery core tray of scratch below, ensures the quality of the battery after the shaping.

The dimensional requirements of the cell receiving channel 110 in receiving the cells are described below. Specifically, the width of the cell accommodating groove 110 is greater than the width of the cell body 10. That is, the width of the cell accommodating groove 110 is not smaller than the sum of the width of the cell body 10 and the width of the side seal edge 13, and the length of the air bag accommodating groove 120 (i.e., the distance between the bottom side edge of the cell accommodating groove 110 and the end of the partition 111 in fig. 2) is not smaller than the sum of the length of the cell body 10 and the width of the top seal edge 14, so as to prevent the cell from falling out of the cell accommodating groove 110, prevent the tab shorting between the multiple cells, and further protect the cell.

As a preferred embodiment, the depth of the cell receiving groove 110 is greater than the thickness of the cell body 10. Specifically, the battery cell body 10 can be completely accommodated by the battery cell accommodating groove 110, so that the battery cells are prevented from falling off from the battery cell accommodating groove 110, short circuit of lugs among a plurality of battery cells is prevented, and the battery cells are further protected. Further, the inner corner of the cell accommodating groove 110 is provided with an accommodating groove fillet 112, so that the sharp corner edge inside the cell accommodating groove 110 is prevented from damaging four corners of the cell, and the cell is further protected from being damaged.

The embodiment also provides a transfer device, which comprises the battery cell tray according to any one of the above schemes. The transfer device comprises a transfer trolley and the plurality of battery cell trays, wherein the plurality of battery cell trays are stacked and placed on the transfer trolley; the transfer trolley can safely and atraumatically convey the formed battery core to the next processing station, and the quality of the finally processed and formed battery is improved.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

1. The battery cell tray is characterized by comprising a tray body (100); the tray comprises a tray body (100), wherein a battery cell accommodating groove (110) is concavely formed in the tray body, an air bag accommodating groove (120) is formed in one side of the battery cell accommodating groove (110) in a communicated mode, and a separation part (111) is arranged in the battery cell accommodating groove (110); the battery cell accommodating groove (110) is used for accommodating the battery cell body (10), the air bag accommodating groove (120) is used for accommodating the battery cell air bag (15), and the separation part (111) can separate the positive electrode lug (11) and the negative electrode lug (12) of the battery cell.

2. The battery cell tray according to claim 1, wherein a tray taking slot (130) for taking the tray body (100) is provided on a side of the tray body (100).

3. The battery cell tray according to claim 2, wherein at least one tray taking slot (130) is formed on each of four sides of the tray body (100).

4. The cell tray according to claim 1, wherein one of the upper surface and the lower surface of the tray body (100) is provided with a positioning column (140), the other is provided with a positioning groove, and the positioning column (140) can be matched and plugged with the positioning groove of the other cell tray.

5. The cell tray of claim 4, wherein the height of the positioning posts (140) is greater than the depth of the positioning slots.

6. The cell tray according to any one of claims 1 to 5, further comprising an insulating spacer (122), wherein the insulating spacer (122) is attached to the inner bottom wall surfaces of the cell receiving groove (110) and the air pocket receiving groove (120).

7. The cell tray according to any one of claims 1-5, wherein the width of the cell receiving groove (110) is larger than the width of the cell body (10), and the depth of the cell receiving groove (110) is larger than the thickness of the cell body (10).

8. The cell tray according to any one of claims 1-5, wherein a plurality of the cell receiving slots (110) are provided, and wherein a plurality of the cell receiving slots (110) are arranged in an array distributed on the tray body (100).

9. The cell tray according to any one of claims 1 to 5, wherein a pick-up groove (121) is provided between two adjacent cell receiving grooves (110) in a penetrating manner.

10. A transfer device comprising a cell tray according to any one of claims 1-9.