CN214013125U

CN214013125U - Battery liquid injection device

Info

Publication number: CN214013125U
Application number: CN202023284931.9U
Authority: CN
Inventors: 冯传钧; 冯旭东; 高阳阳; 孙光伟; 赵俊凯; 张相开
Original assignee: Svolt Energy Technology Co Ltd
Current assignee: Svolt Energy Technology Co Ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-08-20
Anticipated expiration: 2030-12-29

Abstract

The utility model provides a battery liquid injection device, which comprises a device base, a clamping plate unit which is arranged on the device base and is provided with a plurality of clamping plates arranged side by side, elastic parts which are respectively arranged between every two adjacent clamping plates, and a driving part which is arranged on the device base; the driving part comprises a driving end connected with the clamping plate unit, a battery accommodating space is formed between every two adjacent clamping plates, the clamping plate unit is further provided with a supporting plate which is arranged at the bottom of each battery accommodating space respectively, the supporting plate is used for supporting the battery arranged in the battery accommodating space and receiving the driving force of the driving part, each adjacent clamping plate can compress the elastic part to approach, the battery supported in the battery accommodating space is clamped, the elastic part resets along with the removal of the driving force, each adjacent clamping plate is far away, and the clamping of the battery is released. The utility model discloses a battery priming device can carry out centre gripping formula to the battery through splint interval is variable and annotate the liquid, and can effectively solve the battery and annotate the easy bloated problem of liquid.

Description

Battery liquid injection device

Technical Field

The utility model relates to a battery priming equipment technical field, in particular to battery priming device.

Background

The lithium battery has the characteristics of high specific energy, low self-discharge rate, good high-low temperature performance, long charge-discharge service life, no memory effect and the like. With the heat of new energy automobiles, lithium batteries are being increasingly put into new energy electric automobiles. At present, batteries used by various brands of electric automobiles are mainly cylindrical or square shell types.

In the production process of the battery, the structure of the using equipment of the electrolyte injection process is a fixed clamp. The liquid injection process is easy to bulge, so that the battery is tightly attached to the cavity and is difficult to take, and the shell is scratched. And to square lithium cell, use open anchor clamps, only fix four edges and corners of battery, do not restrict to the battery broadside, but the lithium cell loses the effect of restricting of anchor clamps, and the battery is annotated and is swelled more seriously after annotating the liquid.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a battery filling device to solve battery filling process bulging problem.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a battery liquid injection device comprises a device base, clamping plate units, elastic parts and a driving part, wherein the clamping plate units are arranged on the device base and are provided with a plurality of clamping plates which are arranged side by side;

the driving part comprises a driving end connected with the clamping plate unit (101), a battery accommodating space is formed between every two adjacent clamping plates, the clamping plate unit is further provided with a supporting plate arranged at the bottom of each battery accommodating space respectively, the supporting plate is used for supporting a battery arranged in the battery accommodating space and bears the driving force of the driving part, each adjacent clamping plate can compress the elastic part to approach to clamp the battery supported in the battery accommodating space, and the elastic part resets and drives each adjacent clamping plate to be away from each other along with the removal of the driving force, so that the clamping of the battery is released.

Furthermore, a guide rail is arranged on the base, and a guide groove matched with the guide rail is respectively arranged on each clamping plate.

Furthermore, the guide rails are arranged corresponding to the end parts of the clamping plates, and the guide rails are respectively arranged corresponding to the two opposite ends of the clamping plates.

Furthermore, the guide rails corresponding to the ends of the clamping plate are two guide rails which are arranged at intervals.

Furthermore, the cross section of the guide rail is in a dovetail shape, and the cross section of the guide groove is matched with the guide rail.

Furthermore, the driving part is detachably fixed on the device base at one end corresponding to the guide rail, and each clamping plate can be separated from one end of the guide rail corresponding to the driving part and separated from the device base along with the detachment of the driving part from the device base.

Furthermore, the driving part is an air cylinder arranged on the device base, an air cylinder rod of the air cylinder forms the driving end and is connected with the clamping plate positioned at one end in the clamping plate unit, and the clamping plate positioned at the other end in the clamping plate unit is abutted against the device base.

Furthermore, the supporting plate at the bottom of each battery accommodating space is fixedly connected to the clamping plate at one side, and an accommodating groove for accommodating a battery is formed in each clamping plate.

Furthermore, the elastic parts are respectively arranged between two opposite ends of each adjacent clamping plate, the elastic parts adopt springs, and grooves for containing the end parts of the springs are arranged on each clamping plate.

Furthermore, be equipped with on the device base and annotate the liquid chamber, splint unit reaches the drive site is located annotate the liquid intracavity.

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

battery priming device, the battery is under the bearing of backup pad, through the elasticity portion that sets up between the splint, can carry out the centre gripping to the battery under the effect of drive division to make the battery annotate liquid under by the centre gripping, and can solve the battery and annotate the problem that the liquid in-process easily produced the bulging, simultaneously, through the bearing of backup pad to the battery, bottom and device base contact are by the fish tail when also can avoid the battery to remove along with splint, and have better result of use.

Furthermore, the utility model discloses in along with the dismantlement of drive division on the device base, each splint can deviate from then and break away from the device base in the one end of device base, also can realize the quick remodelling of splint to be applicable to the notes liquid of different specification batteries, but hoisting device's commonality.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic view of an overall structure of a battery liquid injection device according to an embodiment of the present invention;

fig. 2 is a front view of a splint according to an embodiment of the present invention;

fig. 3 is a side view of a splint according to an embodiment of the present invention;

fig. 4 is a top view of a splint according to an embodiment of the present invention.

Description of reference numerals:

1. a device base; 101. a clamp plate unit; 1011. a splint; 10111. a guide groove; 10112. accommodating grooves; 10113. a groove; 102. a drive section; 1021. a cylinder; 10211. a driving end; 104. a guide rail; 2. a battery accommodating space; 201. a support plate; 3. an elastic portion; 301. a spring; 4. and a liquid injection cavity.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it should be noted that, if terms indicating orientation or positional relationship such as "upper", "lower", "inner", "outer", etc. appear, they are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the appearances of the terms first, second, etc. in this specification are not necessarily all referring to the same item, but are instead intended to cover the same item.

In addition, in the description of the present invention, the terms "mounted," "connected," and "connecting" are to be construed broadly unless otherwise specifically limited. For example, the connection can be fixed, detachable or integrated; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. To those of ordinary skill in the art, the specific meaning of the above terms in the present invention can be understood in combination with the specific situation.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The embodiment relates to a battery liquid injection device, which is designed to reduce the distance between clamping plates 1011 through a driving part 102 pushing the clamping plates 1011, so that the adjacent clamping plates 1011 clamp the battery, and the constraint action of the battery is utilized, thereby improving the problem that the battery is easy to bulge in the liquid injection process.

Based on the above general description, an exemplary structure of the battery filling device of the present embodiment is shown in fig. 1, and in this exemplary structure, the battery filling device includes a device base 1, a clamp plate unit 101 having a plurality of clamp plates 1011 arranged side by side and provided on the device base 1, elastic portions 3 respectively provided between the adjacent clamp plates 1011, and a driving portion 102 provided on the device base 1 and having a driving end 10211 connected to the clamp plate unit 101.

The clamping plates 1011 are slidably disposed on the device base 1, so that the distance between adjacent clamping plates 1011 can be changed to form a battery accommodating space 2. In a preferred embodiment, the pouring chamber 4 is also provided in the device base 1 of the present embodiment, and the lid unit 101 and the driving unit 102 are both located in the pouring chamber 4.

In order to protect the bottom of the battery from being damaged by friction with the bottom wall of the device base 1 when the battery is moved, the clamping plate unit 101 of the present embodiment further has a supporting plate 201 disposed at the bottom of each battery accommodating space 2 for supporting the battery, and for receiving the driving force from the driving part 102.

Specifically, the width of the supporting plate 201 is the same as the thickness of the battery, the battery is placed in the battery accommodating space 2 and placed by the clamping plate 1011 on the left side, and at this time, under the action of the driving portion 102, the adjacent clamping plates 1011 compress the elastic portion 3, so that the distance between the clamping plates 1011 can be reduced, and the battery supported in the battery accommodating space 2 can be clamped, and the battery can be injected in a restrained state.

In addition, after the battery is filled, the driving part 102 retracts, the distance between the adjacent clamping plates 1011, namely the battery accommodating space 2, can be enlarged under the action of the elastic part 3, so that the clamping of the battery is relieved, the battery can be conveniently taken, and the battery shell is not easy to scratch.

In order to ensure that the clamping plates 1011 are pushed by the driving portion 102 to stably clamp the battery, with reference to fig. 1 to 3, the device base 1 is provided with guide rails 104, each clamping plate 1011 is provided with a guide groove 10111 which is matched with the guide rail 104, the guide rails 104 are arranged corresponding to the ends of the clamping plates 1011, and the embodiment is provided with guide rails 104 corresponding to the opposite ends of the clamping plates 1011. Through the setting of guide slot 10111 on guide rail 104 and the splint 1011, can make splint 1011 move along guide rail 104, not only can promote the gliding smoothness of splint 1011, and also can make the battery receive even clamping-force when the centre gripping to be favorable to further reducing the emergence of the battery notes liquid in-process bloated condition.

Referring still to fig. 3, as a preferred embodiment, the two rails 104 disposed at each end of the clamping plate 1011 are spaced apart, and in the design of the rails 104 and the guide grooves 10111, for example, the cross section of the rails 104 may be dovetail-shaped, and the cross section of the guide grooves 10111 is matched with the rails 104, so as to further improve the stability of the clamping plate 1011 during movement. By utilizing the special characteristic of the dovetail shape, the present embodiment can also make the clamping plate 1011 not easily separate from the rail 104 when moving along the rail 104, so that the sliding of the clamping plate 1011 is more stable.

Of course, instead of being dovetail-shaped, the cross-section of the rail 104 and the mating guide groove 10111 may be other shapes, such as square, circular, etc., as long as they ensure stable movement of the clamping plate 1011.

In this embodiment, the driving portion 102 is disposed corresponding to one end of the guide rail 104 and is detachably fixed to the apparatus base 1. In addition, the detachable arrangement of the driving portion 102 may be, for example, such that the driving portion 102 is fixed to the apparatus base 1 by bolts to facilitate the attachment and detachment thereof. Furthermore, by the detachable arrangement of the driving portion 102, when the driving portion 102 is detached from the device base 1, each clamping plate 1011 can move along the guide rail 104 toward the side where the driving portion 102 is installed, and can be pulled out from the end of the guide rail 104 opposite to the driving portion 102 to be detached from the device base 1. In this way, the adapter plate 1011 can be replaced to accommodate batteries of different sizes by fitting the adapter plate 1011 along the rail 104 onto the device base 1.

In a preferred embodiment, the driving portion 102 of the present embodiment may generally employ an air cylinder 1021, so that the air cylinder 1021 drives the clamping plate 1011 to reciprocate linearly, and a piston rod of the air cylinder 1021 constitutes a driving end 10211 of the driving portion 102, and the driving end 10211 is connected to the clamping plate 1011 at one end of the clamping plate unit 101, and the clamping plate 1011 at the other end of the clamping plate unit 101 abuts against the apparatus base 1.

In this embodiment, the supporting plate 201 at the bottom of each battery accommodating space 2 is fixedly connected to each clamping plate 1011 on the left side, so that each battery is placed by the clamping plate 1011 on the left side, and in addition, in order to facilitate the placement of the battery, an accommodating groove 10112 for accommodating the battery is also respectively formed on each clamping plate 1011. At this time, the battery is placed on the supporting plate 201 matched with the battery, the supporting plate 201 stably supports the battery, and the side portion of the battery is also located in the accommodating groove 10112, so that the outer case of the battery does not rub against the device base 1, thereby ensuring that the outer case of the battery is not easily scratched.

As a preferred embodiment, the present embodiment is provided with elastic parts 3 at two opposite ends of each adjacent clamping plate 1011, and as one of the feasible embodiments, the elastic parts 3 also specifically adopt springs 301, when the cylinders 1021 apply pressure to the clamping plates 1011, the springs 301 are compressed, and then the distance between the clamping plates 1011 is reduced to clamp the battery, after the battery is filled, the piston rods of the cylinders 1021 retract, and the springs 301 reset to increase the distance between the clamping plates 1011, so that the battery is convenient to take out.

In this embodiment, as shown in fig. 4, in order to facilitate the arrangement of the spring 301 and enable the spring 301 to smoothly push the clamping plates 1011, a groove 10113 is further disposed at an end of each clamping plate 1011 for accommodating an end of the spring 301, and two ends of the spring 301 are respectively disposed in two opposite grooves 10113, so that the deformation of the spring 301 can be restrained by the grooves 10113 at two sides, and the spring 301 is prevented from being deformed uncontrollably.

Battery priming device, adopt mobilizable splint 1011, can carry out the centre gripping to the battery under the effect of drive division to make the battery annotate the liquid under the effect of splint is by the centre gripping, and can solve the battery and annotate the problem that the liquid in-process easily produces the bulging. Meanwhile, in cooperation with the arrangement of the elastic part, the battery accommodating space 2 can be enlarged after the liquid injection is finished, so that the battery shell is not easily scratched when the battery is taken out, and the practicability is good.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A battery liquid filling device is characterized in that: the clamp plate unit comprises a device base (1), clamp plate units (101) which are arranged on the device base (1) and are provided with a plurality of clamp plates (1011) arranged side by side, elastic parts (3) which are respectively arranged between every two adjacent clamp plates (1011), and a driving part (102) which is arranged on the device base (1);

the driving portion (102) comprises a driving end (10211) connected with the clamping plate unit (101), a battery accommodating space (2) is formed between every two adjacent clamping plates (1011), the clamping plate unit (101) is further provided with a supporting plate (201) arranged at the bottom of each battery accommodating space (2), the supporting plate (201) is used for supporting a battery arranged in the battery accommodating space (2) and bearing the driving force of the driving portion (102), each adjacent clamping plate (1011) can compress the elastic portion (3) to approach so as to clamp the battery supported in the battery accommodating space (2), and along with the removal of the driving force, the elastic portion (3) resets and drives the adjacent clamping plates (1011) to be far away from each other so as to release the clamping of the battery.

2. The battery liquid filling device according to claim 1, wherein: the base is provided with a guide rail (104), and each clamping plate (1011) is provided with a guide groove (10111) matched with the guide rail (104).

3. The battery liquid filling device according to claim 2, wherein: the guide rail (104) is arranged corresponding to the end part of the clamping plate (1011), and the guide rails (104) are respectively arranged corresponding to the two opposite ends of the clamping plate (1011).

4. The battery liquid filling device according to claim 3, wherein: the guide rails (104) arranged corresponding to each end of the clamping plate (1011) are two spaced-apart.

5. The battery liquid filling device according to claim 2, wherein: the cross section of the guide rail (104) is in a dovetail shape, and the cross section of the guide groove (10111) is matched with the guide rail (104).

6. The battery liquid filling device according to claim 2, wherein: the driving part (102) is detachably fixed on the device base (1) at one end corresponding to the guide rail (104), and each clamping plate (1011) can be separated from one end of the guide rail (104) corresponding to the driving part (102) and separated from the device base (1) along with the detachment of the driving part (102) from the device base (1).

7. The battery liquid filling device according to claim 1, wherein: the driving part (102) is an air cylinder (1021) arranged on the device base (1), an air cylinder rod of the air cylinder (1021) forms the driving end (10211) and is connected with the clamping plate (1011) positioned at one end in the clamping plate unit (101), and the clamping plate (1011) positioned at the other end in the clamping plate unit (101) is abutted against the device base (1).

8. The battery liquid filling device according to claim 1, wherein: the supporting plate (201) at the bottom of each battery accommodating space (2) is fixedly connected to the clamping plate (1011) at one side, and an accommodating groove (10112) for accommodating a battery is formed in each clamping plate (1011).

9. The battery liquid filling device according to claim 1, wherein: the elastic parts (3) are respectively arranged between two opposite ends of each adjacent clamping plate (1011), the elastic parts (3) adopt springs (301), and grooves (10113) for containing the end parts of the springs (301) are arranged on each clamping plate (1011).

10. The battery liquid filling device according to any one of claims 1 to 9, characterized in that: the device is characterized in that a liquid injection cavity (4) is formed in the device base (1), and the clamping plate unit (101) and the driving part (102) are located in the liquid injection cavity (4).