CN109659623A - Lithium battery negative pressure formation system - Google Patents
Lithium battery negative pressure formation system Download PDFInfo
- Publication number
- CN109659623A CN109659623A CN201811347157.6A CN201811347157A CN109659623A CN 109659623 A CN109659623 A CN 109659623A CN 201811347157 A CN201811347157 A CN 201811347157A CN 109659623 A CN109659623 A CN 109659623A
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- CN
- China
- Prior art keywords
- vacuum cup
- negative pressure
- lithium battery
- suction nozzle
- liquid injection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/446—Initial charging measures
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Filling, Topping-Up Batteries (AREA)
- Secondary Cells (AREA)
Abstract
The present invention relates to Battery formation technical field, specifically a kind of lithium battery negative pressure formation system, comprising: air suction structure, including the air intake duct and suction nozzle being connected, the suction nozzle is used to be connected to the liquid injection hole of lithium battery;Negative pressure component, including vacuum cup and locating rod, the locating rod are arranged on the cup body of the vacuum cup, and the inlet end of the vacuum cup is connected to the air intake duct, and the outlet side of the vacuum cup is equipped with aspirating hole;Rotating mechanism is arranged on the side wall of the vacuum cup, is able to drive the vacuum cup and air suction structure and rotates around the central axes of the locating rod;Air guide component, including negative-pressure pipeline, extraction raffinate tank and surge tank, the aspirating hole of the vacuum cup are connect with the negative-pressure pipeline, and the vacuum cup, extraction raffinate tank and surge tank are sequentially communicated by negative-pressure pipeline.The present invention does not need to be repeatedly lifted up and press suction nozzle, and suction nozzle can be connect with lithium battery liquid injection hole dual-seal, effectively improve formation of Li-ion batteries qualification rate.
Description
Technical field
The present invention relates to formation of Li-ion batteries technical field, in particular to a kind of lithium battery negative pressure formation system.
Background technique
Lithium ion battery is a high-performance, environmental protection, energy-storage battery, in recent years, fast development be commercial cells with
High voltage, high energy is close, good cycle life is widely used in the fields such as vehicle, medical treatment, military affairs.For respective market demand,
Lithium ion battery safety performance and service life are improved, lithium ion battery is to pole plate manufacturing process early period, assembly, each link of chemical conversion
Manufacture craft suffers from stringent control.
Wherein, lithium ion battery has critically important influence to battery performance in the chemical conversion stage.In the chemical conversion stage, to make to bear
Pole surface generates good SEI film, is melted into the chemical conversion stage using negative pressure, and the gas generated when Battery formation is discharged in time makes
SEI film generates uniform and stable, improves battery performance.Currently, aluminum-shell battery chemical conversion mostly uses negative pressure to be melted into, it is routinely being melted into handle
Battery is placed on specified pallet, moves up and down pallet or probe assembly unit by cylinder, and then contact probe with battery
It is melted into, meanwhile, negative pressure unit matches with battery liquid-filling hole, stores by vacuum pumpijg gas, and then by vacuum cup
The electrolyte and the gas by being generated when vacuum cup discharge Battery formation being sucked out, and then reach negative pressure formation effect.But
This negative pressure is melted into structure, at work, be commonly encountered suction nozzle and liquid injection hole can not tight connecting, negative-pressure vacuum degree do not reach requirement,
Cause chemical synthesis technology inconsistent;Or by frequently lifting, pressing is adjusted, and the battery exposed environments time is long, and it is hygroscopic, it influences
Battery performance, and then lead to properties of product difference.
Summary of the invention
In view of the above problems in the prior art, the purpose of the present invention is to provide a kind of lithium battery negative pressure formation systems.
To solve the above-mentioned problems, the present invention provides a kind of lithium battery negative pressure formation system characterized by comprising inhales
Depressed structure, including the air intake duct and suction nozzle being connected, the suction nozzle is used to be connected to the liquid injection hole of lithium battery;Negative pressure component, including
Vacuum cup and locating rod, the locating rod are arranged on the cup body of the vacuum cup, described in the inlet end connection of the vacuum cup
The outlet side of air intake duct, the vacuum cup is equipped with aspirating hole;Rotating mechanism is arranged on the side wall of the vacuum cup, being capable of band
The vacuum cup and air suction structure is moved to rotate around the central axes of the locating rod;Air guide component, including negative-pressure pipeline, extraction raffinate tank and
Surge tank, the aspirating hole of the vacuum cup are connect with the negative-pressure pipeline, and the vacuum cup, extraction raffinate tank and surge tank pass through negative pressure
Pipeline is sequentially communicated;And probe assembly, including probe, for connecting the connecting terminal of lithium battery.
Specifically, the rotating mechanism includes intermeshing driving rack and transmission gear, the driving rack and is driven
Dynamic device connection, the transmission gear are set on the outer wall of the vacuum cup, are connected at least one on the driving rack
Transmission gear.
Specifically, one end of the locating rod is fixedly connected on mounting rack, and the vacuum cup is equipped with and the locating rod
The matched locating slot of the other end, the vacuum cup are rotatablely connected with the locating rod by the locating slot.
Specifically, the outer diameter of the suction nozzle is greater than the outer diameter of liquid injection hole concave station, the suction nozzle for contact liquid injection hole recessed
Several annular grooves are additionally provided on the end face of the battery cover board of platform outer ring.
Preferably, anti-skid washer is additionally provided on the contact surface of the transmission gear and the vacuum cup.
Further, the probe assembly and the negative pressure component are connect with the driving device.
Specifically, one end for connecting liquid injection hole of the suction nozzle is equipped with protrusion pipe, and the protrusion pipe can extend into note
Fluid apertures concave station is simultaneously connected to the liquid injection hole, and the outer diameter of the protrusion pipe is greater than the aperture of the liquid injection hole and is less than the liquid injection hole
The aperture of concave station.
Preferably, the suction nozzle is made of soft resistant material.
Further, vacuum checking device is additionally provided on the negative-pressure pipeline.
Further, storage tank, the connecting pipe of the extraction raffinate tank and the storage tank are also connected on the extraction raffinate tank
It is equipped with control valve.
Due to above-mentioned technical proposal, the invention has the following advantages:
1) present invention is equipped with rotating mechanism, is able to drive air suction structure rotation, makes the liquid injection hole of suction nozzle sealed lithiam battery, opens up
Issuable alice in bonding processes is opened, do not need to be repeatedly lifted up, press suction nozzle, lithium battery is avoided to be chronically exposed in environment
Cause battery to absorb water, influences lithium battery performance.
2) suction nozzle of the invention is equipped with annular groove, which can increase the close of suction nozzle and battery cover face contact face
Feng Xing, and be conducive to the relative rotation after suction nozzle is contacted with battery cover board.
3) suction nozzle of the invention is equipped with protrusion pipe, can extend into liquid injection hole concave station and is connected to the liquid injection hole, protrusion pipe
End face can be connected on the bottom surface of liquid injection hole concave station.After suction nozzle and the battery capping of liquid injection hole concave station outer ring seal against,
Protrusion pipe is covered on liquid injection hole and abuts with the sealing bottom surface of liquid injection hole concave station, and multiple combines closely, and avoids negative pressure up to not
Gas leakage or leak into vacuum requirement and formation process, effectively improve formation of Li-ion batteries qualification rate.
Detailed description of the invention
It, below will be to required in embodiment or description of the prior art in order to illustrate more clearly of technical solution of the present invention
The attached drawing used is briefly described.It should be evident that drawings in the following description are only some embodiments of the invention, it is right
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Its attached drawing.
The structural schematic diagram of lithium battery negative pressure formation system in Fig. 1 embodiment of the present invention;
The structural schematic diagram of negative pressure component in Fig. 2 embodiment of the present invention;
The schematic diagram of Fig. 3 air suction structure of the present invention and lithium battery electrolyte filling hole structure;
The bottom view of suction nozzle Fig. 4 of the invention;
The cross-sectional view in the face A-A in Fig. 5 Fig. 4;
The structural schematic diagram of multiple transmission gears is connected on Fig. 6 driving rack of the present invention;
Fig. 7 multiple groups negative pressure component of the present invention is connected to the structural schematic diagram on negative-pressure pipeline.
In figure: 100- lithium battery, 200- air suction structure, 300- negative pressure component, 400- rotating mechanism, 600- probe assembly,
110- liquid injection hole concave station, 120- liquid injection hole, 210- air intake duct, 220- suction nozzle, 221- annular groove, 222- protrusion pipe, 310- are negative
Compression cup, 311- aspirating hole, 320- locating rod, 330- mounting rack, 410- driving rack, 420- transmission gear, 510- negative-pressure pipeline,
511- negative pressure general pipeline, 512- negative pressure is in charge of, 513- negative pressure control valve, 520- vacuum checking device, 530- extraction raffinate tank, 540- buffering
Tank, 550- storage tank.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art without making creative work it is obtained it is all its
His embodiment, shall fall within the protection scope of the present invention.
Embodiment
With reference to Fig. 1, a kind of lithium battery negative pressure formation system, comprising: air suction structure 200, including the air intake duct 210 being connected
With suction nozzle 220, the suction nozzle 220 is used to be connected to the liquid injection hole 120 of lithium battery 100;Negative pressure component 300, including 310 He of vacuum cup
Locating rod 320, the locating rod 320 are arranged on the cup body of the vacuum cup 310, the inlet end connection of the vacuum cup 310
The outlet side of the air intake duct 210, the vacuum cup 310 is equipped with aspirating hole 311;Rotating mechanism 400 is arranged in the vacuum cup
On 310 side wall, the rotating mechanism 400 is able to drive the vacuum cup 310 and air suction structure 200 around the locating rod 320
Central axes rotation;Air guide component, including negative-pressure pipeline 510, extraction raffinate tank 530 and surge tank 540, the pumping of the vacuum cup 310
Stomata 311 is connect with the negative-pressure pipeline 510, and the vacuum cup 310, extraction raffinate tank 530 and surge tank 540 pass through negative-pressure pipeline
510 are sequentially communicated;With probe assembly 600, including probe, for connecting the connecting terminal of lithium battery 100.
With reference to Fig. 2, it is preferable that the cup body of the vacuum cup 310 is cylinder, and one end of air intake duct 210 is connected to negative pressure
The other end of the bottom end of cup 310, air intake duct 210 connects suction nozzle 220;The top of vacuum cup 310 is arranged in aspirating hole 311, and negative
Pressure pipeline 510 is connected to.Vacuum checking device 520 is additionally provided on negative-pressure pipeline 510.Storage is also connected on the extraction raffinate tank 530
The connecting pipe of tank 550, the extraction raffinate tank 530 and the storage tank 550 is equipped with control valve.The outlet side of surge tank 540 connects
Vacuum evacuation device is connect, probe assembly 600 and the setting of negative pressure component 300 can be driven on mounting rack 330, and by driving device
It moves and moves, be separately connected or leave the terminal and liquid injection hole 120 of lithium battery 100.Preferably, two spies in probe assembly 600
While needle is separately connected positive terminal and negative terminal, suction nozzle 220 and liquid injection hole 120 cooperate.
The gas generated in 100 negative pressure formation process of lithium battery is laggard by suction nozzle 220, air intake duct 210 and vacuum cup 310
Enter negative-pressure pipeline 510, is discharged after passing through extraction raffinate tank 530 and surge tank 540.During gas suction, part electricity is had
Solution liquid is inhaled into negative-pressure pipeline 510, the gas-liquid separation in extraction raffinate tank 530, and electrolyte, which finally flows into, recycles benefit in storage tank 550
With.
The rotating mechanism 400 includes intermeshing driving rack 410 and transmission gear 420, the driving rack 410
It is connect with driving device, the transmission gear 420 is set on the outer wall of the vacuum cup 310, and the transmission gear 420 can
The vacuum cup 310 is driven to rotate;Preferably, which is ring gear, the central axes of vacuum cup 310 and annular
The central axes of gear are overlapped.Ring gear rotates under the drive of rack gear, and then vacuum cup to be moved 310 rotates.
Anti-skid washer is additionally provided on the transmission gear 420 and the contact surface of the vacuum cup 310.So that transmission gear
420 do not occur to slide relatively when driving vacuum cup 310 to rotate, and guarantee the accuracy of vacuum cup 310 rotational angle and distance.
While vacuum cup 310 rotates, air suction structure 200 is rotated with it.Preferably, the axial axis of vacuum cup 310
Line is overlapped with the central axes of air intake duct 210 and suction nozzle 220.
The top of vacuum cup 310 is arranged in locating rod 320;Preferably, the central axes of locating rod 320 and vacuum cup 310
Axial central axes are overlapped.
In a specific embodiment, one end of the locating rod 320 is fixedly connected on mounting rack 330, described negative
Compression cup 310, which is equipped with, to be passed through with the matched locating slot of 320 other end of locating rod, the vacuum cup 310 with the locating rod 320
The locating slot rotation connection.Preferably, under the power effect of driving device, rotating mechanism 400 drives vacuum cup 310 and inhales
Depressed structure 200 is rotated relative to locating rod 320 with the central axes of locating rod 320.
In another embodiment, locating piece is additionally provided in locating rod 320, locating rod 320 is fixed at peace
It shelves on 330, locating piece is fixedly connected on the top of vacuum cup 310, and is arranged in locating slot, and links with vacuum cup 310,
The locating piece can be rotated with the vacuum cup 310 relative to the locating rod 320, which drives air suction structure 200
It is rotated with the central axes of locating rod 320.
With reference to Fig. 6-7, at least one transmission gear 420 is connected on the driving rack 410.In a specific embodiment party
In formula, it is sequentially connected with four transmission gears 420 on driving rack 410, and is connected with four groups of negative pressure components 300, air suction structures
200 and probe assembly 600, it can be melted into four groups of lithium batteries 100 simultaneously.The driving rack 410 is acted in the power of driving device
Under, four transmission gears 420 can be driven simultaneously while being moved.Negative-pressure pipeline 510 includes that negative pressure general pipeline 511 and negative pressure are in charge of
512, each negative pressure is in charge of 512 one end and is connected to the aspirating hole 311 of vacuum cup 310, and the other end is connected to negative pressure general pipeline 511,
Negative pressure control valve 513 is additionally provided on negative pressure general pipeline 511.
The liquid injection hole 120 of usual lithium battery 100 is arranged in liquid injection hole concave station 110.
In a specific embodiment, the outer diameter of the suction nozzle 220 is greater than the outer diameter of liquid injection hole concave station 110, i.e. suction nozzle
220 outer ring is not protruded into liquid injection hole concave station 110.The end for being used to contact 110 outer ring battery cover board of liquid injection hole concave station of suction nozzle 220
Several annular grooves 221 are additionally provided on face.In this way, increasing the leakproofness of suction nozzle 220 and battery cover face contact face, and be conducive to inhale
Mouth 220 contacted with battery cover board after relative rotation.
The suction nozzle 220 is made of soft resistant material.
With reference to Fig. 3-5, in another embodiment, one end for connecting liquid injection hole 120 of suction nozzle 220 is also set
There is protrusion pipe 222, the protrusion pipe 222 can extend into liquid injection hole concave station 110 and be connected to the liquid injection hole 120, it is preferable that convex
The middle part of 220 top surface of suction nozzle is arranged in outlet pipe 222, and the height for protruding pipe 222 is consistent with the depth of liquid injection hole concave station 110.It is described
The outer diameter for protruding pipe 222 is greater than the aperture of the liquid injection hole 120 and is less than the aperture of the liquid injection hole concave station 110.That is protrusion pipe
222 can be connected on the bottom surface of liquid injection hole concave station 110.Preferably, the internal diameter for protruding pipe 222 is slightly less than the hole of liquid injection hole 120
Diameter.In this way, suction nozzle 220 is covered on liquid injection hole concave station 110, while being protruded pipe 222 and being covered on liquid injection hole 120, multiple is tight
Close combination avoids negative pressure that gas leakage or leak in vacuum requirement or formation process is not achieved.
In addition, after suction nozzle 220 is contacted with battery cover board, when pressing, may generate crimping or alice, and suction nozzle 220 is rotating
It is rotated under the action of mechanism 400 with vacuum cup 310, crimping or the alice expansion of the generation of pressing can be made, and then realize suction nozzle
220 form the sealing to liquid injection hole 120.The time of battery exposed environments is short, avoid the lifting repeatedly of suction nozzle 220, press and
Adjustment.
In another embodiment, the air suction structure 200 further includes telescopic device, and the telescopic device can
Drive suction nozzle 220 along the axial movement of air intake duct 210.The liquid injection hole 120 and 110 structure of liquid injection hole concave station and ruler of lithium battery 100
It is very little that usually there are fine differences, therefore, when multiple groups lithium battery 100 is melted into simultaneously, under the effect of driving device power, multiple groups air-breathing
Structure 200 is connected to corresponding 100 liquid injection hole 120 of lithium battery simultaneously, but cannot be guaranteed all suction nozzle 220 all with liquid injection hole
120 are tightly connected, and the battery cover board surface of 110 outer ring of liquid injection hole concave station, or protrusion pipe may has not been reached yet in some suction nozzles 220
222 may not connect with the sealing bottom surface in liquid injection hole concave station 110.Suction nozzle 220 is driven to move again simultaneously by telescopic device
Battery cover board and 110 bottom surface of liquid injection hole concave station are compressed, avoids percentage of batteries that from cannot reaching vacuum requirement in formation process, and
It avoids battery from being exposed in air environment for a long time, influences battery performance.
Above-mentioned telescopic device can be the telescoping tube being connected on air intake duct 210, or be connected to flexible on vacuum cup 310
Element, the telescopic device are connect with driving device.
In another embodiment, lithium battery negative pressure formation system further includes control device, the control device
It is electrically connected to the drive, driving device output power is controlled, to drive negative pressure component 300, air suction structure 200, probe assembly
The movement such as 600 and rotating mechanism 400.
It preferably, further include air pressure detecting element and level sensing element, the air pressure in lithium battery negative pressure formation system
Detecting element is used to detect the vacuum degree in each group negative pressure component 300, and is electrically connected with control device;The level sensing element
It is electrically connected for detecting the liquid level in extraction raffinate tank 530 and storage tank 550, and with control device.
Each component and pipeline that electrolyte in lithium battery negative pressure formation system of the invention flows through are all made of anti-corrosion material
It is made, or there is erosion resistant coating.
Above description sufficiently discloses a specific embodiment of the invention.It should be pointed out that being familiar with the field
Range of any change that technical staff does a specific embodiment of the invention all without departing from claims of the present invention.
Correspondingly, the scope of the claims of the invention is also not limited only to previous embodiment.
Claims (10)
1. lithium battery negative pressure formation system characterized by comprising
Air suction structure (200), including the air intake duct (210) and suction nozzle (220) being connected, the suction nozzle (220) is for being connected to lithium
The liquid injection hole (120) of battery (100);
Negative pressure component (300), including vacuum cup (310) and locating rod (320), the locating rod (320) are arranged in the negative pressure
On the cup body of cup (310), the inlet end of the vacuum cup (310) is connected to the air intake duct (210), the vacuum cup (310)
Outlet side is equipped with aspirating hole (311);
Rotating mechanism (400) is arranged on the side wall of the vacuum cup (310), is able to drive the vacuum cup (310) and air-breathing
Structure (200) is rotated around the central axes of the locating rod (320);
Air guide component, including negative-pressure pipeline (510), extraction raffinate tank (530) and surge tank (540), the pumping of the vacuum cup (310)
Hole (311) is connect with the negative-pressure pipeline (510), and the vacuum cup (310), extraction raffinate tank (530) and surge tank (540) pass through negative
Pressure pipeline (510) is sequentially communicated;With
Probe assembly (600), including probe, for connecting the connecting terminal of lithium battery (100).
2. lithium battery negative pressure formation system according to claim 1, which is characterized in that the rotating mechanism (400) includes
Intermeshing driving rack (410) and transmission gear (420), the driving rack (410) connect with driving device, the biography
Moving gear (420) is set on the outer wall of the vacuum cup (310), is connected at least one biography on the driving rack (410)
Moving gear (420).
3. lithium battery negative pressure formation system according to claim 1, which is characterized in that one end of the locating rod (320)
It is fixedly connected on mounting rack (330), the vacuum cup (310) is equipped with and the matched positioning of the locating rod (320) other end
Slot, the vacuum cup (310) are rotatablely connected with the locating rod (320) by the locating slot.
4. lithium battery negative pressure formation system according to claim 1, which is characterized in that the outer diameter of the suction nozzle (220) is big
Outer diameter in liquid injection hole concave station (110), the battery cover board for being used to contact liquid injection hole concave station (110) outer ring of the suction nozzle (220)
End face on be additionally provided with several annular grooves (221).
5. lithium battery negative pressure formation system according to claim 2, which is characterized in that the transmission gear (420) and institute
It states and is additionally provided with anti-skid washer on the contact surface of vacuum cup (310).
6. lithium battery negative pressure formation system according to claim 2, which is characterized in that the probe assembly (600) and institute
Negative pressure component (300) is stated to connect with the driving device.
7. lithium battery negative pressure formation system according to claim 4, which is characterized in that the suction nozzle (220) is used to connect
The one end for connecing liquid injection hole (120) is equipped with protrusion pipe (222), and the protrusion pipe (222) can extend into liquid injection hole concave station (110) and connect
Lead to the liquid injection hole (120), the outer diameter of the protrusion pipe (222) is greater than the aperture of the liquid injection hole (120) and is less than the note
The aperture of fluid apertures concave station (110).
8. lithium battery negative pressure formation system according to claim 6, which is characterized in that the suction nozzle (220) is soft resistance to
Corrosion material is made.
9. lithium battery negative pressure formation system according to claim 1, which is characterized in that on the negative-pressure pipeline (510) also
Equipped with vacuum checking device (520).
10. lithium battery negative pressure formation system according to claim 1, which is characterized in that also connect on the extraction raffinate tank (530)
It is connected to storage tank (550), the connecting pipe of the extraction raffinate tank (530) and the storage tank (550) is equipped with control valve.
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CN201811347157.6A CN109659623A (en) | 2018-11-13 | 2018-11-13 | Lithium battery negative pressure formation system |
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CN201811347157.6A CN109659623A (en) | 2018-11-13 | 2018-11-13 | Lithium battery negative pressure formation system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116885314A (en) * | 2023-07-11 | 2023-10-13 | 东莞市冠逸自动化科技有限公司 | Equal-pressure formation and liquid injection integrated machine for battery |
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2018
- 2018-11-13 CN CN201811347157.6A patent/CN109659623A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116885314A (en) * | 2023-07-11 | 2023-10-13 | 东莞市冠逸自动化科技有限公司 | Equal-pressure formation and liquid injection integrated machine for battery |
CN116885314B (en) * | 2023-07-11 | 2023-12-12 | 东莞市冠逸自动化科技有限公司 | Equal-pressure formation and liquid injection integrated machine for battery |
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Application publication date: 20190419 |