CN218215410U

CN218215410U - Power battery sealing device

Info

Publication number: CN218215410U
Application number: CN202221556021.8U
Authority: CN
Inventors: 刘峰
Original assignee: Hunan Xinhemei New Energy Technology Co ltd
Current assignee: Hunan Xinhemei New Energy Technology Co ltd
Priority date: 2022-06-21
Filing date: 2022-06-21
Publication date: 2023-01-03
Anticipated expiration: 2032-06-21

Abstract

The utility model is suitable for a battery closing device technical field provides a power battery closing device, including the bottom plate, still include: the fixing structure comprises a push plate for fixing the battery and an air cylinder for driving the push plate to move; separators, between which adjacent cells are separated; and the sealing structure is used for sealing the battery. The utility model discloses a set up fixed knot structure fixed with power battery, accomplish through setting up the seal structure and seal, solved and sealed not in place, when sealing strength too big and damage the problem of steel ball, the device steel ball seals in place, and it is good to seal the leakproofness to the weeping does not have promoted power battery's performance.

Description

Power battery sealing device

Technical Field

The utility model belongs to the technical field of the battery closing device, especially, relate to a power battery closing device.

Background

Lithium batteries can be broadly classified into two types: lithium metal batteries and lithium ion batteries. Lithium ion batteries do not contain lithium in the metallic state and are rechargeable. The fifth generation of rechargeable batteries, lithium metal batteries, was born in 1996, and the safety, specific capacity, self-discharge rate and cost performance of rechargeable batteries were all superior to those of lithium ion batteries. Due to its own high technical requirement limits, only a few national companies are producing such lithium metal batteries today. The power lithium ion battery is one of high-energy density batteries which take lithium ion batteries as materials, is a lithium battery specially used for providing power for motor vehicles, and is also commonly used in the fields of electric tools, electric toys and the like. The battery has the advantages of zero pollution, zero emission, high energy density, small volume, long cycle service life and the like, and is a trend of development and application of power batteries at home and abroad. The electrolyte is one of four key materials (positive electrode, negative electrode, diaphragm and electrolyte) of the lithium ion battery, is called as 'blood' of the lithium ion battery, plays a role in conducting electrons between the positive electrode and the negative electrode in the battery, and is a guarantee for the lithium ion battery to obtain the advantages of high voltage, high specific energy and the like.

In the production process of the conventional lithium ion battery, the phenomenon of poor sealing of the battery can occur, so that liquid leakage is caused, for example, the sealing of a steel ball is not in place, the steel ball is damaged due to overlarge force during sealing, and the like, and therefore, the sealing device for the power battery is provided.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the utility model is to provide a power battery closing device aims at solving the problem that proposes in the above-mentioned background art.

The embodiment of the utility model provides a realize like this, a power battery closing device, including the bottom plate, still include:

the fixing structure comprises a push plate for fixing the battery and an air cylinder for driving the push plate to move;

separators, between which adjacent cells are separated;

and the sealing structure is used for sealing the battery.

Further, the seal structure is including sealing the pen, seal the pen by last seal pen and seal the pen down and constitute, on seal and be equipped with the magnetic force pole in the pen, the outer lane cover of magnetic force pole is equipped with the spring, and the spring is driven by spring switch.

Further, be equipped with the gas pocket on the cylinder, cylinder fixed mounting is on the mount, the cylinder passes through link and push pedal fixed connection.

Further, a top plate is fixedly connected to the bottom plate, a side fixing frame is fixedly connected to the top plate, and a side fixing plate is fixedly connected to the side fixing frame.

Further, fixedly connected with guide screw on the push pedal, guide screw and guide way sliding connection, the guide way is seted up in the roof.

Further, the baffle comprises baffle skeleton and baffle glue, the both sides of baffle skeleton are posted through glue and are had the baffle glue.

Compared with the prior art, the beneficial effects of the utility model are that:

this power battery closing device is fixed power battery through setting up fixed knot structure, accomplishes through setting up the seal structure and seals, has solved and has sealed not in place, when sealing the problem that the strength is too big and damage the steel ball, and the device steel ball seals in place, and it is good to seal the leakproofness to the weeping has not promoted power battery's performance.

Drawings

Fig. 1 is a schematic structural diagram of a sealing device for a power battery.

Fig. 2 is a schematic top view of the sealing device for power battery.

Fig. 3 is a schematic cross-sectional structure diagram of a sealing pen in a sealing device of a power battery.

Fig. 4 is a schematic side view of a separator in a sealing device for a power battery.

Fig. 5 is a schematic structural diagram of a separator in a sealing device of a power battery.

In the figure: 11-push plate, 12-fixing frame, 13-air hole, 14-connecting frame, 15-air cylinder, 16-bottom plate protecting piece, 17-guide screw, 18-top plate, 19-bottom plate, 20-side fixing frame, 21-side fixing plate, 03-sealing pen, 31-upper sealing pen, 32-magnetic rod, 33-spring switch, 34-spring, 35-lower sealing pen, 04-partition plate, 41-partition plate glue and 42-partition plate framework.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The following detailed description is provided for the specific embodiments of the present invention.

As shown in fig. 1-5, a power battery sealing device provided by an embodiment of the present invention includes a bottom plate 19, and further includes:

the fixing structure comprises a push plate 11 for fixing the battery and an air cylinder 15 for driving the push plate 11 to move;

separators 04, adjacent cells being separated by the separators 04;

and the sealing structure is used for sealing the battery.

In the embodiment of the utility model, the preferred, stock solution cup and electrolyte pipe connection, through pressure accurate from annotating in the liquid needle pours into power battery into.

As shown in fig. 1 and fig. 3, as a preferred embodiment of the present invention, the sealing structure includes a sealing pen 03, the sealing pen 03 is composed of an upper sealing pen 31 and a lower sealing pen 35, the upper sealing pen 31 is internally provided with a magnetic rod 32, the outer ring of the magnetic rod 32 is sleeved with a spring 34, and the spring 34 is driven by a spring switch 33.

In the embodiment of the utility model, it is preferred, magnetic pole 32 holds the steel ball, starts spring switch 33, and spring switch 33 control spring 34 carries out the battery with spring 34's strength and beats the steel ball to accomplish and seal, this mode of sealing is succinct convenient, of high quality, and efficient.

As shown in fig. 1, as a preferred embodiment of the present invention, the air hole 13 is disposed on the air cylinder 15, the air cylinder 15 is fixedly mounted on the fixing frame 12, and the air cylinder 15 is fixedly connected to the push plate 11 through the connecting frame 14.

In the embodiment of the present invention, it is preferable that the battery to be sealed is fixed by adjusting the air hole 13 to achieve the required pressure.

As shown in fig. 1 and 2, as a preferred embodiment of the present invention, a top plate 18 is fixedly connected to the bottom plate 19, a side fixing frame 20 is fixedly connected to the top plate 18, and a side fixing plate 21 is fixedly connected to the side fixing frame 20.

In the embodiment of the present invention, it is preferable that the bottom plate 19 is provided with a bottom plate protecting member 16; the power battery is placed against the side wall of the side fixing plate 21.

As shown in fig. 1, as a preferred embodiment of the present invention, a guide screw 17 is fixedly connected to the push plate 11, the guide screw 17 is slidably connected to a guide groove, and the guide groove is disposed in the top plate 18.

The embodiment of the utility model provides an in, it is preferred, cylinder 15 drives push pedal 11 through link 14 and removes to the direction that is close to power battery, and push pedal 11 drives guide screw 17 and removes in the guide way, improves the stability when push pedal 11 removes to push pedal 11 cooperation side-fixing board 21 is fixed power battery.

As shown in fig. 4 and 5, as a preferred embodiment of the present invention, the partition 04 is composed of a partition frame 42 and partition glue 41, and the partition glue 41 is posted on both sides of the partition frame 42 through glue.

In the embodiment of the present invention, it is preferable that the side area of the power battery is larger than the sectional area of the partition glue 41.

The utility model discloses a theory of operation is:

this power battery closing device, the lateral wall of hugging closely side fixing plate 21 with power battery is placed, adjacent power battery separates through baffle 04, cylinder 15 passes through link 14 and drives push pedal 11 and remove to the direction of being close to power battery, thereby fix power battery, the steel ball is inhaled to magnetic force pole 32, start spring switch 33, spring switch 33 control spring 34, carry out the battery with spring 34's strength and beat the steel ball, thereby accomplish and seal, this seals the succinct convenience of mode, high quality, and efficient.

The above is only the preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the present invention and the practicability of the patent.

Claims

1. The utility model provides a power battery closing device, includes the bottom plate, its characterized in that still includes:

separators, between which adjacent cells are separated;

and the sealing structure is used for sealing the battery.

2. The power battery sealing device according to claim 1, wherein the sealing structure comprises a sealing pen, the sealing pen comprises an upper sealing pen and a lower sealing pen, a magnetic rod is arranged in the upper sealing pen, a spring is sleeved on an outer ring of the magnetic rod, and the spring is driven by a spring switch.

3. The sealing device for the power battery according to claim 1, wherein an air hole is formed in the air cylinder, the air cylinder is fixedly mounted on the fixing frame, and the air cylinder is fixedly connected with the push plate through the connecting frame.

4. The sealing device for the power battery according to claim 1, wherein a top plate is fixedly connected to the bottom plate, a side fixing frame is fixedly connected to the top plate, and a side fixing plate is fixedly connected to the side fixing frame.

5. The sealing device for the power battery according to claim 4, wherein a guide screw is fixedly connected to the pushing plate, the guide screw is slidably connected with a guide groove, and the guide groove is formed in the top plate.

6. The power battery sealing device of claim 1, wherein the separator is composed of a separator framework and separator glue, and the separator glue is posted on two sides of the separator framework through glue.