CN109659623A - Lithium battery negative pressure formation system - Google Patents

Lithium battery negative pressure formation system Download PDF

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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.)
Pending
Application number
CN201811347157.6A
Other languages
Chinese (zh)
Inventor
翟博
陈丽鲜
童路攸
闫虎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Hengyuan New Energy Technology Co Ltd
Original Assignee
Zhejiang Hengyuan New Energy Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhejiang Hengyuan New Energy Technology Co Ltd filed Critical Zhejiang Hengyuan New Energy Technology Co Ltd
Priority to CN201811347157.6A priority Critical patent/CN109659623A/en
Publication of CN109659623A publication Critical patent/CN109659623A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/058Construction or manufacture
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/44Methods for charging or discharging
    • H01M10/446Initial charging measures
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing 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

Lithium battery negative pressure formation system
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.
CN201811347157.6A 2018-11-13 2018-11-13 Lithium battery negative pressure formation system Pending CN109659623A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811347157.6A CN109659623A (en) 2018-11-13 2018-11-13 Lithium battery negative pressure formation system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811347157.6A CN109659623A (en) 2018-11-13 2018-11-13 Lithium battery negative pressure formation system

Publications (1)

Publication Number Publication Date
CN109659623A true CN109659623A (en) 2019-04-19

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Family Applications (1)

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CN201811347157.6A Pending CN109659623A (en) 2018-11-13 2018-11-13 Lithium battery negative pressure formation system

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
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