CN211350814U

CN211350814U - Helium-filled nail inserting device

Info

Publication number: CN211350814U
Application number: CN201922207093.6U
Authority: CN
Inventors: 鲁艳飞; 刘洋; 苏朝纲; 李艳庆
Original assignee: Tianjin Yinlong Energy Co ltd; Yinlong New Energy Co Ltd
Current assignee: Tianjin Yinlong Energy Co ltd; Yinlong New Energy Co Ltd
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2020-08-25
Anticipated expiration: 2029-12-11

Abstract

The utility model discloses a fill helium and insert nail device, which comprises a housin, be provided with the pressure nail subassembly in the casing, the pipeline interface has been seted up to the casing lateral wall, and pipeline interface connection has the evacuation to fill the helium subassembly, the evacuation fills the helium subassembly and extracts the vacuum in the battery case to pour into the helium gas into to inside after the evacuation, thereby press the notes liquid mouth of nail subassembly cartridge to battery after filling helium and accomplish. The utility model provides a fill helium and insert nail device realizes in same sealed cavity to the evacuation of battery, fill the helium, insert the gluey nail action, vacuum and fill helium pipeline separately and by solenoid valve control, avoid the unqualified or helium volume of battery vacuum not up to standard that fills. The battery after being filled with helium keeps a negative pressure state. Adopt the double containment circle sealed in the casing, guarantee the sealed effect of casing for the sealed effect of battery is examined precision and qualification rate and is promoted, makes the security performance of battery promote a step simultaneously, has simple structure, practical convenient, characteristics with low costs.

Description

Helium-filled nail inserting device

Technical Field

The utility model relates to a power battery production technical field, in particular to fill helium and insert nail device.

Background

At present, power batteries mainly comprise a cylinder, a soft package and a square, and square hard-shell batteries are widely adopted by power battery manufacturers due to high safety performance and long cycle service life.

The helium filling plug pin is one of key links in lithium battery manufacturing work, and the vacuumizing and helium filling link in the lithium battery manufacturing process is specifically that nitrogen is injected after the lithium battery shell is completely discharged under the suction action of a vacuum pump. And after the helium filling is finished, inserting a nail into the liquid injection port for sealing.

In the above processes, air leakage may easily occur during the nail insertion process. The main problems of analysis are that the condition of gas leakage in the helium charging process in the prior art mainly comes from the fact that the prior art and equipment are difficult to provide good sealing, waste is caused due to poor sealing effect, meanwhile, the battery is sealed at normal pressure, gas is generated in the battery charging and discharging process, the battery is expanded, and the safety performance of the battery is greatly influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fill helium and insert nail device solves the problem of mentioning in the background art.

In order to achieve the above object, the present invention provides a helium filling nail inserting device, which has the following technical solutions:

the helium filling and nail inserting device comprises a shell, wherein a nail pressing assembly is arranged in the shell, a pipeline interface is formed in the side wall of the shell, the pipeline interface is connected with a vacuumizing helium filling assembly, the vacuumizing helium filling assembly is used for vacuumizing in a battery shell and injecting helium into the inside after vacuumizing, and therefore the nail pressing assembly is inserted into a liquid injection port of a battery after helium filling is completed.

Further, the pressing nail component comprises a sleeve and a pressing rod, the sleeve is arranged in the shell, a through hole is formed in the pressing rod, a driving structure is connected with the opening in the top of the pressing rod, and the pressing nail component is driven to move.

Further, the bottom of the sleeve is connected with a nail inserting rod, the nail inserting rod through hole is communicated with the pressure rod through hole, and the bottom of the nail inserting rod is provided with a glue sucking nail hole.

Further, the driving structure is a cylinder or a motor.

Further, sleeve and casing sealing connection, the bottom of sleeve outer wall is provided with first seal groove and second seal groove, and first seal groove and second seal groove are provided with the interval, are provided with the sealing rubber ring on first seal groove and the second seal groove.

Furthermore, the vacuumizing helium filling assembly is connected with a vacuum pump for providing a vacuum environment and a pressure gauge for detecting the air pressure in the shell and judging whether the fixing rubber nails are successfully connected.

Furthermore, the vacuumizing helium filling assembly comprises a connecting pipeline and an electric three-way valve, one end of the connecting pipeline is communicated with a pipeline interface at the bottom of the shell, the other end of the connecting pipeline is communicated with the electric three-way valve, and the electric three-way valve is connected with a vacuum gas circuit and a helium filling gas circuit respectively.

Furthermore, the helium filling gas circuit is connected with a helium filling joint, the vacuum gas circuit is connected with a vacuum joint, and the helium filling joint and the vacuum joint are respectively connected with an electromagnetic valve, so that the conversion between negative pressure in the cavity and helium filling is completed.

Furthermore, a through hole is formed in the bottom of the shell and corresponds to the position of the nail inserting rod, which corresponds to the nail sucking opening, and a glue head is arranged on the circumferential bottom wall of the through hole.

Further, a mounting seat is arranged on the outer wall of the shell, and a driving structure is connected to one side of the mounting seat.

The utility model discloses a fill helium and insert nail device has following advantage: the utility model provides a fill helium and insert nail device realizes in same sealed cavity to the evacuation of battery, fill the helium, insert the gluey nail action, vacuum and fill helium pipeline separately and by solenoid valve control, avoid the unqualified or helium volume of battery vacuum not up to standard that fills. The battery after being filled with helium keeps a negative pressure state. Adopt the double containment circle sealed in the casing, guarantee the sealed effect of casing for the sealed effect of battery is examined precision and qualification rate and is promoted, makes the security performance of battery promote a step simultaneously, has simple structure, practical convenient, characteristics with low costs.

Drawings

FIG. 1 is a schematic structural view of a helium filling nail inserting device of the present invention;

fig. 2 is the structural schematic diagram of the press nail assembly of the utility model.

Description of reference numerals: 1. a nail pressing component; 11. a sleeve; 111. a first seal groove; 112. a second seal groove; 12. inserting a nail rod; 121. a glue sucking nail hole; 13. a pressure lever; 2. a mounting seat; 3. a housing; 31. gluing heads; 32. and (4) a pipeline interface.

Detailed Description

In order to better understand the purpose, structure and function of the present invention, the helium filling nail inserting device of the present invention will be described in further detail with reference to the accompanying drawings 1-2.

As shown in fig. 1 and 2, the utility model provides a fill helium and insert nail device for square crust battery fills helium and inserts the nail sealed, including casing 3, be provided with in the casing 3 and press nail subassembly 1, pipeline interface 32 has been seted up to 3 lateral walls of casing, pipeline interface 32 is connected with the evacuation and fills the helium subassembly, through pipeline interface 32 extraction vacuum in the battery case, and pour into the helium to inside after the extraction vacuum, fill the helium and accomplish the back, will press nail subassembly 1 to send forward under keeping sealing connection, pass casing 3 bottoms with its glue nail of inserting nail work end connection, cartridge to the notes liquid mouth of battery, accomplish the complete technology of filling helium and inserting the nail. The helium filling nail inserting device combines the helium filling and nail inserting processes, realizes the continuity of the processes through the feeding of the insertion of the glue nails in the implementation process, can ensure that the whole operation process is carried out in the closed environment in the sealing sleeve 11, can effectively prevent the helium from leaking, greatly shortens the time consumed by the helium filling, also saves the output quantity of the helium, and effectively solves the technical problems of low energy consumption and high production efficiency and the like caused by the easy leakage of the helium in the nail inserting ring process after the helium filling in the existing square hard shell power battery manufacturing process.

The utility model provides a pressure nail subassembly 1 includes sleeve 11 and depression bar 13, and sleeve 11 sets up in casing 3, and the through-hole has been seted up to depression bar 13, and depression bar 13 top trompil is connected with the drive structure, and drive pressure nail subassembly 1 removes to push down the notes liquid mouth of battery.

Further, the bottom of the sleeve 11 is connected with a nail inserting rod 12, the driving structure is an air cylinder, and the air cylinder moves up and down to control the nail inserting rod 12 to insert nails. The nail inserting rod 12 is provided with a through hole, the through hole of the nail inserting rod 12 is communicated with the through hole of the pressure rod 13, and the bottom of the nail inserting rod 12 is provided with a glue sucking nail hole 121.

Preferably, the driving structure is a motor, and the motor motion controls the nail inserting rod 12 to insert nails.

Further, sleeve 11 and casing 3 sealing connection, the bottom of sleeve 11 outer wall is provided with first seal groove 111 and second seal groove 112, and first seal groove 111 and second seal groove 112 are provided with the interval, are provided with the sealing rubber ring on first seal groove 111 and the second seal groove 112 to the pressure nail subassembly 1 is sealed to reciprocate in casing 3, makes in the casing 3 and forms comparatively stable gas seal environment between the sleeve 11.

In the technical scheme that this embodiment provided, the design of pressing nail subassembly 1 has further been optimized, including the helium subassembly structure is filled in the evacuation, connects the glue nail at the work end of pressing nail subassembly 1 through the principle of extraction vacuum, and this design is convenient for pick up the glue nail, convenient operation, the continuity of easy technology.

In order to further optimize the technical scheme, it is preferable on the basis of the above embodiment that, in the helium-filled nail inserting device, the vacuumizing helium-filling assembly is connected with a vacuum pump for providing a vacuum environment, and is further connected with a pressure gauge for detecting the air pressure in the housing 3 to judge whether the fixing glue nail is successfully connected.

In the technical scheme that this implementation provided, further optimize the vacuum design of taking out vacuum and filling the helium subassembly, it is connected with the vacuum pump, can provide vacuum environment in casing 3 through this design relatively swift, and connect the manometer, judge through the registration of manometer whether form the vacuum in casing 3 to this confirms whether to connect the rubber nail through the vacuum successfully, with this success rate of guaranteeing the process implementation.

The vacuumizing helium filling assembly comprises a connecting pipeline and an electric three-way valve, one end of the connecting pipeline is communicated with a pipeline interface 32 at the bottom of the shell 3, the other end of the connecting pipeline is communicated with the electric three-way valve, the electric three-way valve is respectively connected with a helium filling connector used for connecting an air source and a vacuum connector used for connecting a vacuum pump, and the helium filling connector and the vacuum connector are communicated with an internal operation air circuit. The helium filling joint and the vacuum joint are respectively connected with an electromagnetic valve, so that the conversion of negative pressure in the cavity and helium filling is completed.

Further, a through hole is arranged at the bottom of the shell 3 and at a position corresponding to the glue-sucking nail hole 121 of the nail inserting rod 12, and a glue head 31 is arranged on the circumferential bottom wall of the through hole.

Be provided with mount pad 2 on the 3 outer walls of casing, 2 one sides of mount pad are connected with drive structure, and drive structure drive nailing component 1 removes.

The utility model provides a fill helium and insert nail device will fill helium and insert two steps of nail and concentrate on accomplishing in casing 3, cylinder up-and-down motion control inserts nail pole 12 and inserts the nail, casing 3 moves and inhales the nail position, insert nail pole 12 and move under cylinder or motor drive, make the plastic nail that inserts nail pole 12 absorption impress annotate liquid mouth, make the battery reach sealed effect vacuum gas circuit and open, inhale plastic nail mouth 121 and accomplish after the battery flows into the station, 3 decline of casing and battery seal evacuation respectively, vacuum gas circuit is closed this moment, open and fill the helium way, fill helium to the setting value, the cylinder motion, depression bar 13 inserts the nail and accomplishes 3 times of casing original settlement positions, the battery flows into subsequent handling.

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 helium filling and nail inserting device is characterized by comprising a shell (3), wherein a nail pressing component (1) is arranged in the shell (3), a pipeline interface (32) is formed in the side wall of the shell (3), the pipeline interface (32) is connected with a vacuumizing helium filling component, the vacuumizing helium filling component is used for vacuumizing in a battery shell and injecting helium into the inside after vacuumizing, and therefore the nail pressing component (1) is inserted into a liquid injection port of a battery after helium filling is completed.

2. The helium-filled nail inserting device according to claim 1, wherein the nail pressing assembly (1) comprises a sleeve (11) and a pressing rod (13), the sleeve (11) is arranged in the shell (3), the pressing rod (13) is provided with a through hole, a driving structure is connected to an opening at the top of the pressing rod (13), and the nail pressing assembly (1) is driven to move.

3. The helium filling nail inserting device according to claim 2, wherein a nail inserting rod (12) is connected to the bottom of the sleeve (11), a through hole of the nail inserting rod (12) is communicated with a through hole of the pressure rod (13), and a glue sucking nail port (121) is formed in the bottom of the nail inserting rod (12).

4. A helium-filled nailing device according to claim 2, wherein the driving structure is a cylinder or a motor.

5. The helium-filled nail inserting device according to claim 3, wherein the sleeve (11) is connected with the shell (3) in a sealing manner, a first sealing groove (111) and a second sealing groove (112) are formed in the bottom of the outer wall of the sleeve (11), a gap is formed between the first sealing groove (111) and the second sealing groove (112), and sealing rubber rings are arranged on the first sealing groove (111) and the second sealing groove (112).

6. The helium-filled nail inserting device according to claim 1, wherein the vacuumizing helium-filled assembly is connected with a vacuum pump for providing a vacuum environment, and is further connected with a pressure gauge for detecting the air pressure in the shell (3) to judge whether the fixing glue nail is successfully connected.

7. The helium filling nail inserting device according to claim 6, wherein the vacuumizing helium filling assembly comprises a connecting pipeline and an electric three-way valve, one end of the connecting pipeline is communicated with a pipeline interface (32) at the bottom of the shell (3), the other end of the connecting pipeline is communicated with the electric three-way valve, and the electric three-way valve is respectively connected with a vacuum gas path and a helium filling gas path.

8. The helium filling nail inserting device according to claim 7, wherein the helium filling gas circuit is connected with a helium filling joint, the vacuum gas circuit is connected with a vacuum joint, and the helium filling joint and the vacuum joint are respectively connected with an electromagnetic valve, so that conversion between negative pressure in the cavity and helium filling is completed.

9. The helium-filled nail inserting device according to claim 3, wherein a through hole is formed in the bottom of the shell (3) corresponding to the nail sucking port (121) of the nail inserting rod (12), and a glue head (31) is arranged on the circumferential bottom wall of the through hole.

10. Helium-filled nailing device according to claim 1, wherein a mounting seat (2) is arranged on the outer wall of the housing (3), and a driving structure is connected to one side of the mounting seat (2).