CN213026409U

CN213026409U - Miniature lithium battery liquid injection system

Info

Publication number: CN213026409U
Application number: CN202021640407.8U
Authority: CN
Inventors: 杨建松; 涂蕴航; 廖胡令
Original assignee: Guizhou Zhongzhi Huachuang Electronic Technology Co ltd
Current assignee: Guizhou Jinhang Electronic Appliance Co ltd
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2021-04-20
Anticipated expiration: 2030-08-10

Abstract

The utility model provides a pair of miniature lithium cell annotates liquid system, this system includes: workstation, staple, sealing washer, apron, fixed pin, notes liquid pipeline, manometer, evacuation pipe, accept the chamber, fixed knot, supporting leg. The sealing rings are uniformly distributed at corresponding positions of the edge of the front end of the cover plate; the cover plate is connected between the accommodating cavity and the cover plate; the liquid injection pipeline, the pressure gauge and the vacuumizing pipe are all arranged at corresponding positions at the top end of the accommodating cavity; the accommodating cavity is arranged at the upper end of the supporting leg; the supporting leg sets up the lower extreme at whole device. The utility model discloses miniature lithium cell annotates liquid system, the flow velocity of electrolyte of injecting into the battery is adjusted through the liquid storage chamber of effective control notes liquid pipeline and the chamber of acceping of box, has controlled the flow velocity of electrolyte effectively, has guaranteed that electrolyte pours into the battery into smoothly and does not spill over, and used notes liquid time is short, has improved the production efficiency of battery.

Description

Miniature lithium battery liquid injection system

Technical Field

The utility model relates to a lithium manganese cell production field, in particular to miniature lithium cell annotates liquid system.

Background

The primary lithium manganese battery is widely applied to the fields of medical products, computers, digital products, intelligent systems and the like. After the semi-finished product of the battery is manufactured, a worker injects a certain amount of electrolyte into the semi-finished product and seals the battery. Electrolyte is easy to volatilize and strong in corrosivity, and has great harm to the respiratory tract of workers, and the lithium battery produced belongs to a special-shaped battery, and the volume of the battery is very small, so that the traditional liquid injection mode cannot be realized at all.

SUMMERY OF THE UTILITY MODEL

For solving not enough among the prior art, the to-be-solved technical problem of the utility model is to provide a guarantee enough that electrolyte injects into the battery smoothly and does not spill over, improves production efficiency's miniature lithium cell liquid injection system.

The scheme of the utility model is that:

a miniature lithium battery liquid injection system, the system comprising: workstation, staple, sealing washer, apron, fixed pin, notes liquid pipeline, manometer, evacuation pipe, accept the chamber, fixed knot, supporting leg. The whole device is in a three-dimensional rectangular structure and is arranged at the upper end of the workbench; the cover plate is hinged with the accommodating cavity through the cover plate; the cover plate is positioned on the right side of the accommodating cavity; the fixing nail is positioned at the corresponding position of the right side surface of the cover plate. The sealing rings are uniformly distributed at corresponding positions of the edge of the front end of the cover plate and are used for firmly sealing and fixing the cover plate and the accommodating cavity when the cover plate is closed; the cover plate is connected between the accommodating cavity and the cover plate; the fixing pin is inserted in the middle of the cover plate, and the cover plate can rotate axially around the fixing pin and is closed with the containing cavity. The liquid injection pipeline, the pressure gauge and the vacuumizing pipe are all arranged at corresponding positions at the top end of the accommodating cavity, and the vacuumizing pipe is connected with a vacuum system; one end of the liquid injection pipeline is connected with the valve switch and extends into the battery so as to inject liquid into the battery to be injected; the manometer is connected with evacuation pipe, all fixes and accepts the chamber upper end. The accommodating cavity is arranged at the upper end of the supporting leg and is used for accommodating a battery to be injected; the fixing buckle is positioned at the corresponding position of the left side surface of the containing cavity. The supporting leg sets up the lower extreme at whole device.

Preferably, the vacuum-pumping pipe is also provided with a vacuum-pumping valve.

Preferably, the battery is provided with a top cover, and the top cover is provided with a liquid injection hole; the liquid injection hole of the battery is inverted and communicated with the containing cavity.

Preferably, the vacuum system is a vacuum pump, a control circuit, a vacuum storage tank and a vacuum pipeline, and mainly provides a vacuum source in the liquid injection process.

Preferably, the sealing ring is made of silicon rubber.

The utility model discloses miniature lithium cell annotates liquid system, the flow velocity of electrolyte of injecting into the battery is adjusted through the liquid storage chamber of effective control notes liquid pipeline and the chamber of acceping of box, has controlled the flow velocity of electrolyte effectively, has guaranteed that electrolyte pours into the battery into smoothly and does not spill over, and used notes liquid time is short, has improved the production efficiency of battery.

Drawings

FIG. 1: do the utility model discloses miniature lithium cell annotates liquid system's schematic structure.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1, a lithium micro battery liquid injection system includes: workstation 1, staple 2, sealing washer 3, first apron 4, second apron 5, fixed pin 6, annotate liquid pipeline 7, manometer 8, evacuation pipe 9, accept chamber 10, fixed knot 11, supporting leg 12. The whole device is in a three-dimensional rectangular structure and is arranged at the upper end of the workbench 1; the first cover plate 4 is hinged with the containing cavity 10 through the second cover plate 5; the first cover plate 4 is positioned at the right side of the accommodating cavity 10; the fixing nail 2 is positioned at the corresponding position of the right side surface of the first cover plate 4. The sealing rings 3 are uniformly distributed at corresponding positions of the front end edge of the first cover plate 4 and are used for sealing and fixing the first cover plate 4 and the accommodating cavity 10 firmly when the first cover plate is closed; the second cover plate 5 is connected between the accommodating cavity 10 and the first cover plate 4; the fixing pin 6 is inserted in the middle of the second cover plate 5, and the first cover plate 4 can rotate axially around the fixing pin 6 to be closed with the containing cavity 10. The liquid injection pipeline 7, the pressure gauge 8 and the vacuum pipe 9 are all arranged at corresponding positions on the top end of the containing cavity 10, and the vacuum pipe 9 is connected with a vacuum system; one end of the liquid injection pipeline 7 is connected with a valve switch and extends into the battery to inject liquid into the battery to be injected; the pressure gauge 8 is connected with the vacuumizing tube 9 and is fixed at the upper end of the containing cavity 10. The accommodating cavity 10 is arranged at the upper end of the supporting leg 12 and is used for accommodating a battery to be injected; the fixing buckle 11 is located at a corresponding position on the left side surface of the accommodating cavity 10. The support legs 12 are provided at the lowermost end of the overall apparatus.

Preferably, the vacuum-pumping pipe 9 is further provided with a vacuum-pumping valve.

Preferably, the battery is provided with a top cover, and the top cover is provided with a liquid injection hole; the liquid injection hole of the battery is inverted and communicated with the containing cavity 10.

Preferably, the material of the sealing ring 3 is silicon rubber.

The utility model discloses miniature lithium cell annotates liquid system, the theory of operation: the method comprises the steps of carrying out short circuit test on an electric core to be injected, placing the electric core injection hole in an inverted manner in a liquid injection disc after the test, opening a liquid injection valve to enable electrolyte to automatically flow out, submerging the bottom of the electric core by about 2mm, opening a first cover plate 4 of a box body, moving the liquid injection disc and the electric core into a containing cavity 10, closing the first cover plate 4 and the containing cavity 10, opening a vacuumizing valve, closing the vacuum valve when a vacuum pressure device reaches-0.08 MPa, keeping the box body in a negative pressure working state at the moment, standing for 15-30 seconds, opening the vacuumizing valve again, finishing injecting liquid into a vacuum decompression valve in the box body, opening a box body pressure relief opening of the box body, opening a material conveying door after the automatic discharge is finished, taking out a battery, and achieving the using effect.

The embodiments of the present invention have been described in detail, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims

1. The utility model provides a miniature lithium cell annotates liquid system which characterized in that: the system comprises a workbench (1), fixing nails (2), a sealing ring (3), a first cover plate (4), a second cover plate (5), fixing pins (6), an injection pipeline (7), a pressure gauge (8), a vacuumizing pipe (9), an accommodating cavity (10), a fixing buckle (11) and supporting legs (12); the whole device is in a three-dimensional rectangular structure and is arranged at the upper end of the workbench (1); the first cover plate (4) is hinged with the containing cavity (10) through the second cover plate (5); the first cover plate (4) is positioned on the right side of the containing cavity (10); the fixing nail (2) is positioned at the corresponding position of the right side surface of the first cover plate (4); the sealing rings (3) are uniformly distributed at corresponding positions of the front end edge of the first cover plate (4) and are used for firmly sealing and fixing the first cover plate (4) and the containing cavity (10) when the first cover plate is closed; the second cover plate (5) is connected between the accommodating cavity (10) and the first cover plate (4); the fixing pin (6) is inserted in the middle of the second cover plate (5), and the first cover plate (4) can rotate axially around the fixing pin (6) and is closed with the containing cavity (10); the liquid injection pipeline (7), the pressure gauge (8) and the vacuumizing pipe (9) are arranged at corresponding positions on the top end of the accommodating cavity (10), and the vacuumizing pipe (9) is connected with a vacuum system; one end of the liquid injection pipeline (7) is connected with the valve switch and extends into the battery to inject liquid into the battery to be injected; the pressure gauge (8) is connected with the vacuumizing pipe (9) and is fixed at the upper end of the containing cavity (10); the accommodating cavity (10) is arranged at the upper end of the supporting leg (12) and is used for accommodating a battery to be injected with liquid; the fixing buckle (11) is positioned at the corresponding position of the left side surface of the containing cavity (10); the support legs (12) are arranged at the lowermost end of the whole device.

2. The lithium micro battery electrolyte injection system according to claim 1, wherein: and a vacuum pumping valve is also arranged on the vacuum pumping pipe (9).

3. The lithium micro battery electrolyte injection system according to claim 1, wherein: the battery is provided with a top cover, and the top cover is provided with a liquid injection hole; the liquid injection hole of the battery is inverted and communicated with the containing cavity (10).

4. The lithium micro battery electrolyte injection system according to claim 1, wherein: the vacuum system comprises a vacuum pump, a control circuit, a vacuum storage tank and a vacuum pipeline and mainly provides a vacuum source in the liquid injection process.

5. The lithium micro battery electrolyte injection system according to claim 1, wherein: the sealing ring (3) is made of silicon rubber.