CN217956086U

CN217956086U - Battery liquid injection fixing device

Info

Publication number: CN217956086U
Application number: CN202221718813.0U
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: 2022-07-04
Filing date: 2022-07-04
Publication date: 2022-12-02
Anticipated expiration: 2032-07-04

Abstract

The utility model discloses a battery filling fixing device, this battery filling fixing device, including the support, still include: the liquid injection nozzle is communicated with the corresponding battery interior; the liquid injection nozzle comprises a liquid guide tube, a spring, a fixing piece, a liquid injection needle and a sealing ring, the fixing piece is fixedly arranged on the fixing plate, the liquid guide tube is arranged in the fixing piece in a sliding mode, and the liquid injection needle is arranged at the bottom of the liquid guide tube; the fixing mechanism is arranged in the bracket and can be used for fixedly mounting the battery in the bracket; the battery liquid injection fixing device fixes the battery through the positioning plate and the limiting plate which are arranged inside, the battery is prevented from shaking when liquid is injected, liquid injection of a plurality of batteries can be completed simultaneously, and the efficiency of liquid injection is improved.

Description

Battery liquid injection fixing device

Technical Field

The utility model relates to a battery annotates liquid technical field, specifically is a battery annotates liquid fixing device.

Background

Lithium batteries can be broadly classified into two types: lithium metal batteries and lithium ion batteries. The lithium ion battery does not contain lithium in a metal state and can be charged, the electrolyte is one of four key materials (an anode, a cathode, a diaphragm and the electrolyte) of the lithium ion battery, is called as 'blood' of the lithium ion battery, plays a role in conducting electrons between the anode and the cathode 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 lithium ion battery, electrolyte needs to be injected into the battery, and the conventional battery liquid injection equipment is not provided with a corresponding fixing device, so that the battery is easy to shake in the liquid injection process, the internal electrolyte overflows, and the normal production is influenced; and when the battery is injected with liquid, the number of the one-time liquid injection is basically four, so that the liquid injection efficiency is limited.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a battery annotates liquid fixing device to solve the problem that above-mentioned background art provided.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a battery annotates liquid fixing device, includes the support, still includes:

the liquid injection nozzle is communicated with the corresponding battery interior;

the liquid injection nozzle comprises a liquid guide tube, a spring, a fixing piece, a liquid injection needle and a sealing ring, the fixing piece is fixedly arranged on the fixing plate, the liquid guide tube is arranged in the fixing piece in a sliding mode, and the liquid injection needle is arranged at the bottom of the liquid guide tube;

the fixing mechanism is arranged in the bracket and can be used for fixedly mounting the battery in the bracket;

and the lifting mechanism is connected with the fixed plate and is used for communicating the liquid injection nozzle with the interior of the battery in a mode of driving the fixed plate to move up and down.

On the basis of the technical scheme, the utility model discloses still provide following optional technical scheme:

in one alternative: the fixing mechanism comprises a top plate, a positioning plate and a limiting plate, the top plate is arranged on a battery top plate, the positioning plate is arranged between batteries, and the limiting plate is arranged on the back of each battery.

In one alternative: the lifting mechanism comprises an air cylinder and a push rod, the air cylinder is fixedly arranged at the top of the support, the push rod is arranged at the telescopic end of the air cylinder and penetrates through the support and is connected with the fixed plate.

In one alternative: the fixing plate is arranged on the inner side of the support, guide posts capable of guiding the fixing plate are arranged in the support, and the fixing plate is arranged between the two guide posts in a sliding mode.

In one alternative: the fixing piece is internally provided with a spring which is sleeved outside the liquid guide tube, and the bottom of the liquid injection needle is provided with a sealing ring.

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

the battery liquid injection fixing device fixes the battery through the positioning plate and the limiting plate which are arranged inside, prevents the battery from shaking when injecting liquid, can fix a plurality of batteries through the fixing device, completes liquid injection of the batteries simultaneously, improves the efficiency when injecting liquid, is connected with the liquid injection nozzle, injects the power battery through the liquid injection needle through pressure, and ensures various performances of the lithium battery, wherein the liquid injection position and the using amount are accurate.

Drawings

Fig. 1 is a schematic structural diagram of a battery liquid injection fixing device.

Fig. 2 is a schematic structural diagram of a limiting plate in the battery liquid filling fixing device.

Fig. 3 is a schematic structural view of a liquid injection nozzle in the battery liquid injection fixing device.

Fig. 4 is a cross-sectional view of a fill nozzle in a battery fill fixture.

Notations for reference numerals: 1-cylinder, 2-push rod, 3-bracket, 4-guide post, 5-fixing plate, 6-top plate, 7-die bottom plate, 8-battery, 9-positioning plate, 10-limiting plate, 11-liquid injection nozzle, 111-liquid guide tube, 112-spring, 113-fixing piece, 114-liquid injection needle and 115-sealing ring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments; in the drawings or the description, the same reference numerals are used for similar or identical parts, and the shape, thickness or height of each part may be enlarged or reduced in practical use. The embodiments of the present invention are provided only for illustration and not for limiting the scope of the present invention. Any obvious and obvious modifications or alterations to the present invention can be made without departing from the spirit and scope of the present invention.

In one embodiment, as shown in fig. 1 to 4, a battery liquid filling fixing device includes a bracket 3, and further includes:

the liquid injection nozzle 11, a mold bottom plate 7 and a fixing plate 5 are arranged in the bracket 3, a plurality of batteries 8 are placed on the mold bottom plate 7, the fixing plate 5 is provided with liquid injection nozzles 11 for injecting liquid, the number of the liquid injection nozzles 11 corresponds to that of the batteries 8, the liquid injection port at the top of each battery 8 is positioned right below the corresponding liquid injection nozzle 11, and the liquid injection nozzles 11 are communicated with the corresponding interiors of the batteries 8;

the liquid guide tube 111, the liquid injection nozzle 11 includes a liquid guide tube 111, a spring 112, a fixing member 113, a liquid injection needle 114 and a sealing ring 115, the fixing member 113 is fixedly arranged on the fixing plate 5, the liquid guide tube 111 is arranged in the fixing member 113 in a sliding manner, and the liquid injection needle 114 is arranged at the bottom of the liquid guide tube 111;

the fixing mechanism is arranged in the bracket 3 and can fixedly install the battery 8 in the bracket 3;

and the lifting mechanism is connected with the fixed plate 5 and is used for communicating the liquid injection nozzle 11 with the interior of the battery 8 in a manner of driving the fixed plate 5 to move up and down.

In one embodiment, as shown in fig. 1, the fixing mechanism includes a top plate 6, positioning plates 9 and a limiting plate 10, the top plate 6 is disposed on the top plate of the battery 8, the positioning plates 9 are disposed between the batteries 8, and the limiting plate 10 is disposed on the back of the battery 8.

In one embodiment, as shown in fig. 1, the lifting mechanism includes a cylinder 1 and a push rod 2, the cylinder 1 is fixedly disposed on the top of the bracket 3, the push rod 2 is disposed at the telescopic end of the cylinder 1, the push rod 2 penetrates through the bracket 3 and is connected with the fixing plate 5, and the cylinder 1 drives the fixing plate 5 to move up and down through the push rod 2 to connect the liquid injection nozzle 11 with the battery 8.

In one embodiment, as shown in fig. 1, the bracket 3 is internally provided with guide posts 4 capable of guiding a fixing plate 5, and the fixing plate 5 is slidably arranged between the two guide posts 4.

In one embodiment, as shown in fig. 3 to 4, a spring 112 is disposed inside the fixing member 113, the spring 112 is sleeved outside the liquid guiding tube 111, a sealing ring 115 is disposed at the bottom of the liquid guiding tube 114, the liquid guiding tube 111 is made of stainless steel, and the sealing ring 115 is a PVC sealing ring, which can prevent the electrolyte from overflowing.

The utility model provides an in the above-mentioned embodiment, battery annotates liquid fixing device, battery 8 is through roof 6, locating plate 9, mould bottom plate 7 and limiting plate 10 carry out fixed mounting, the device outside is provided with the compressed air pipe mouth, the vacuum pipeline mouth, the electrolyte pipeline mouth, the stock solution cup of storing electrolyte is linked together with annotate catheter 111 on the liquid mouth 11, cylinder 1 drives fixed plate 5 and annotates liquid mouth 11 and descends, the notes liquid mouth at battery 8 top is connected with annotating liquid mouth 11, press into power battery from annotating the liquid needle through compressed gas with the electrolyte in the stock solution cup, observe the pressure situation through the manometer, the notes liquid process of control battery.

The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present disclosure, and shall cover the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a battery annotates liquid fixing device, includes the support, its characterized in that still includes:

2. The battery liquid injection fixing device according to claim 1, wherein the fixing mechanism comprises a top plate, a positioning plate and a limiting plate, the top plate is arranged on a top plate of the battery, the positioning plate is arranged between the batteries, and the limiting plate is arranged on the back of the battery.

3. The battery liquid injection fixing device according to claim 1, wherein the lifting mechanism comprises a cylinder and a push rod, the cylinder is fixedly arranged at the top of the bracket, the push rod is arranged at the telescopic end of the cylinder, and the push rod penetrates through the bracket and is connected with the fixing plate.

4. The battery liquid injection fixing device according to claim 3, wherein the bracket is provided with guide posts inside for guiding a fixing plate, and the fixing plate is slidably disposed between the two guide posts.

5. The battery liquid injection fixing device according to claim 1, wherein a spring is arranged inside the fixing member, the spring is sleeved outside the liquid guide tube, and a sealing ring is arranged at the bottom of the liquid injection needle.