CN211907614U

CN211907614U - Battery cell fixing device

Info

Publication number: CN211907614U
Application number: CN201921980262.3U
Authority: CN
Inventors: 马邵帅; 赵海刚; 魏赵博; 朱明�; 申建阳
Original assignee: Yinlong New Energy Co Ltd; Hebei Yinlong New Energy Co Ltd
Current assignee: Yinlong New Energy Co Ltd; Hebei Yinlong New Energy Co Ltd
Priority date: 2019-11-16
Filing date: 2019-11-16
Publication date: 2020-11-10
Anticipated expiration: 2029-11-16

Abstract

The utility model discloses an electric core fixing device, which is used for clamping and fixing an electric core, and comprises an upper cover plate and a lower cover plate which are mutually buckled, and the electric core can be clamped between the upper cover plate and the lower cover plate; the upper cover plate comprises an upper plate body, any group of opposite sides on the upper plate body are connected with limiting fixture blocks, the thickness of the limiting fixture blocks on the two sides is larger than that of the upper plate body, and an internal sunken upper cover plate is formed; the lower cover plate comprises a lower plate body buckled between the two limiting clamping blocks. The utility model discloses a fixed mode of upper and lower apron makes each layer pole piece of electricity core clamping state all the time to prevent that the pole piece mistake from causing short circuit phenomenon, the apron adopts the POM material down, alleviates whole anchor clamps weight, makes things convenient for personnel to operate, and the upper cover plate adopts the aluminum alloy material, prevents to warp, damages electric core.

Description

Battery cell fixing device

Technical Field

The utility model belongs to the technical field of the new forms of energy battery, especially, relate to an electricity core fixing device.

Background

New energy automobiles become the trend of development of times, the environmental protection performance of the new energy automobiles has incomparable advantages compared with the traditional automobiles, and lithium ion batteries occupy an important position in the new energy industry. Along with the continuous improvement of battery multiplying power and capacity demand, the advantage of lamination type laminate polymer battery is more and more obvious.

The manufacturing process of the laminated soft package battery cell is to cut positive and negative pole pieces into a certain size in a die cutting mode, and the plurality of positive pole pieces and the plurality of negative pole pieces are respectively separated and stacked by the multilayer isolating films to form the battery cell. The laminated battery core pole pieces are loose, and the pole pieces are easy to be mistaken in subsequent carrying and pole lug processing processes, so that the battery core is short-circuited, and the production yield is influenced. The device can better solve the error phenomenon of the pole piece and improve the production qualification rate.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electricity core fixing device to solve the problem of background art.

In order to achieve the above object, the utility model discloses an electricity core fixing device's concrete technical scheme as follows:

a battery cell fixing device is used for clamping and fixing a battery cell, comprises an upper cover plate and a lower cover plate which are mutually buckled, and can clamp the battery cell between the upper cover plate and the lower cover plate; the upper cover plate comprises an upper plate body, any group of opposite sides on the upper plate body are connected with limiting fixture blocks, the thickness of the limiting fixture blocks on the two sides is larger than that of the upper plate body, and an internal sunken upper cover plate is formed; the lower cover plate comprises a lower plate body buckled between the two limiting clamping blocks.

Furthermore, spacing fixture block is including setting up the spacing fixture block in on the plate body opposite side.

Furthermore, the limiting fixture block further comprises side limiting fixture blocks arranged on two sides of the middle limiting fixture block.

Further, the lower cover plate further comprises a middle limiting plate buckled with the middle limiting clamping block.

Furthermore, the side limiting plate is buckled by the lower cover plate and the side limiting clamping block.

Furthermore, locating holes are formed in the side limiting clamping blocks and the side limiting plates, locating pins are installed on the locating holes, and the side limiting clamping blocks and the side limiting plates are connected together through the locating pins.

Furthermore, the middle limiting clamping block is connected with the middle limiting plate in a clamping mode.

Furthermore, the middle limiting clamping block is connected with the middle limiting plate in a clamping mode through a clamp.

Furthermore, the upper cover plate is an anti-deformation aluminum alloy plate, and an elastic cotton layer is attached to the upper cover plate, so that damage of metal materials to the battery cell is prevented; the lower cover plate is a POM material plate which reduces the weight of the whole clamp.

Furthermore, two limiting clamping blocks connected with any one group of opposite sides are arranged in parallel.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses a fixed mode of upper and lower apron makes each layer pole piece of electricity core clamping state all the time to prevent that the pole piece mistake from causing short circuit phenomenon, the apron adopts the POM material down, alleviates whole anchor clamps weight, makes things convenient for personnel to operate, and the upper cover plate adopts the aluminum alloy material, prevents to warp, damages electric core, and the upper cover plate pastes the thick high elastic force cotton of 2mm, prevents the damage of metal material to electric core. The fixing clamp effectively solves the short circuit phenomenon caused by the dislocation of the pole pieces in the manufacturing process of the battery cell, and improves the production qualified rate.

Drawings

FIG. 1 is an assembly view of the structure of the present invention;

FIG. 2 is a perspective view of the upper cover plate of FIG. 1;

FIG. 3 is a perspective view of a component of the lower deck of FIG. 1;

FIG. 4 is a front view of the upper cover plate of FIG. 2;

FIG. 5 is a top view of the upper cover plate of FIG. 2;

FIG. 6 is a front view of the lower cover plate of FIG. 3;

fig. 7 is a top view of the lower cover plate of fig. 3.

The reference numbers in the figures illustrate: an upper cover plate 1 and a lower cover plate 2; the upper plate body 11, the middle limiting fixture block 12, the side limiting fixture block 13, the positioning hole 14 and the screw hole 15; a lower plate body 21, a middle limit plate 22 and a side limit plate 23.

Detailed Description

For a better understanding of the objects, structure and function of the invention, reference should be made to the drawings, FIGS. 1-7, which are included to illustrate the invention.

As shown in fig. 1, a cell fixing device is designed, which includes an upper cover plate 1 and a lower cover plate 2 that are fastened to each other, so as to clamp a cell between the upper cover plate 1 and the lower cover plate 2; as shown in fig. 2, the upper cover plate 1 is composed of an upper plate body 11, a middle limiting fixture block 12, a side limiting fixture block 13, a positioning hole 14 and a screw hole 15; as shown in fig. 3, the lower cover plate 2 is composed of a lower plate body 21, a middle limit plate 22 and a side limit plate 23;

the upper cover plate 1 comprises an upper plate body 11 and any one group of opposite sides on the upper plate body 11 are connected with limiting fixture blocks, wherein the limiting fixture blocks comprise middle limiting fixture blocks 12 arranged on opposite sides of the upper plate body 11 and side limiting fixture blocks 13 arranged on two sides of the middle limiting fixture blocks 12. The thickness of the limiting clamping blocks at the two sides is larger than that of the upper plate body 11, so that an inner concave type upper cover plate 1 is formed; the lower cover plate 2 comprises a lower plate body 21 buckled between two limiting clamping blocks, wherein the lower cover plate 2 further comprises a middle limiting plate 22 buckled with the middle limiting clamping block 12, and a side limiting plate 23 buckled with the lower cover plate 2 and the side limiting clamping block 13. The user puts electric core on apron 2 down and adjusts to suitable position, then presses upper cover plate 1 on electric core, utilizes clip, buckle or arbitrary one of anchor clamps, locks upper cover plate 1 and apron 2 down to it is fixed to make electric core.

Locating holes 14 are formed in the side limiting clamping block 13 and the side limiting plate 23, locating pins are mounted on the locating holes 14, the side limiting clamping block 13 and the side limiting plate 23 are connected together through the locating pins, the buckle is arranged between the middle limiting clamping block 12 and the middle limiting plate 22, and the buckle can be a daily life clamp or a standard part clamp.

The design is further improved, the upper cover plate 1 is made of an anti-deformation aluminum alloy plate, an elastic cotton layer is attached to the upper cover plate 1, the thickness of the elastic cotton layer is 2mm, and when the battery cell is clamped by the upper cover plate 1 and the lower cover plate 2, the elastic cotton layer prevents metal materials from damaging the battery cell; the lower cover plate 2 is a POM material plate for reducing the weight of the whole jig. The fixed mode of apron about adopting makes each layer pole piece of electricity core clamping state all the time to prevent that the pole piece mistake from causing the short circuit phenomenon, the lower plate adopts the POM material, alleviates whole anchor clamps weight, makes things convenient for personnel to operate, and the upper cover plate adopts the aluminum alloy material, prevents to warp, damages electric core, and the upper cover plate pastes the cotton of high elastic force of 2mm thickness, protection electricity core.

The specific operation process comprises the following steps:

1. put electric core on apron 2 down and adjust to suitable position, then press upper cover plate 1 on electric core, lock upper cover plate 1 and apron 2's buckle down, make electric core fixed.

2. After the fixed battery cell is subjected to procedures such as tab welding, tab cutting and the like, the battery cell is formed, and the cover plate can be removed at the moment.

3. The buckle of upper and lower apron is loosened, upper cover plate 1 is taken down, electric core is taken out, and two apron repeatedly usable.

4. The upper cover plate 1 is pasted with high elasticity cotton with the thickness of 2mm, and the lower cover plate 2 is made of a POM (polyoxymethylene) nonmetal material, so that damage to the battery cell caused by the metal material is prevented.

It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes or equivalents may be substituted for elements thereof by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.

Claims

1. The utility model provides a battery cell fixing device for it is fixed to electric core centre gripping, its characterized in that: the battery cell clamping device comprises an upper cover plate (1) and a lower cover plate (2) which are mutually buckled, and a battery cell can be clamped between the upper cover plate (1) and the lower cover plate (2); the upper cover plate (1) comprises an upper plate body (11), any group of opposite sides on the upper plate body (11) are connected with limiting fixture blocks, the thickness of the limiting fixture blocks on the two sides is larger than that of the upper plate body (11), and the upper cover plate (1) with a concave inner part is formed; the lower cover plate (2) comprises a lower plate body (21) buckled between the two limiting clamping blocks.

2. The battery cell fixing device of claim 1, wherein the limiting fixture block comprises a middle limiting fixture block (12) arranged on an opposite side of the upper plate body (11).

3. The battery cell fixing device of claim 1, wherein the limiting fixture block further comprises side limiting fixture blocks (13) arranged at two sides of the middle limiting fixture block (12).

4. The battery cell fixing device of claim 2, wherein the lower cover plate (2) further comprises a middle limiting plate (22) buckled with the middle limiting fixture block (12).

5. The battery cell fixing device of claim 3, wherein the lower cover plate (2) and the side limiting fixture block (13) are buckled to form a side limiting plate (23).

6. The battery cell fixing device according to claim 3, wherein the side limiting clamping block (13) and the side limiting plate (23) are respectively provided with a positioning hole (14), and a positioning pin is mounted on the positioning hole (14) and connects the side limiting clamping block (13) and the side limiting plate (23).

7. The battery cell fixing device of claim 6, wherein the middle limit fixture block (12) and the middle limit plate (22) are connected in a snap-fit manner.

8. The battery cell fixing device of claim 7, wherein the middle limiting fixture block (12) and the middle limiting plate (22) are connected by clamping with a clip.

9. The battery cell fixing device according to claim 1, wherein the upper cover plate (1) is an anti-deformation aluminum alloy plate, and an elastic cotton layer is attached to the upper cover plate (1) to prevent damage of metal materials to the battery cell; the lower cover plate (2) is a POM material plate which reduces the weight of the whole clamp.

10. The battery cell fixing device of any one of claims 1 to 9, wherein two of the limiting clamping blocks connected to any one group of opposite sides are parallel to each other.