CN107240670B - Lithium ion battery's laboratory is with semi-automatic liquid machine of annotating - Google Patents

Lithium ion battery's laboratory is with semi-automatic liquid machine of annotating Download PDF

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Publication number
CN107240670B
CN107240670B CN201710565735.2A CN201710565735A CN107240670B CN 107240670 B CN107240670 B CN 107240670B CN 201710565735 A CN201710565735 A CN 201710565735A CN 107240670 B CN107240670 B CN 107240670B
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CN
China
Prior art keywords
battery
liquid
lithium ion
injection
mounting groove
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Expired - Fee Related
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CN201710565735.2A
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Chinese (zh)
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CN107240670A (en
Inventor
刘小英
吴军
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Hefei Gotion High Tech Power Energy Co Ltd
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Hefei Guoxuan High Tech Power Energy Co Ltd
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/60Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
    • 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

Abstract

The invention discloses a semi-automatic electrolyte injection machine for a lithium ion battery laboratory, wherein a battery clamp is provided with a first battery mounting groove, a second battery mounting groove and a slide rail, an electrolyte storage tank is positioned above the battery clamp and is slidably mounted on the slide rail through a lifting support frame, an electrolyte injection mechanism is positioned above the battery clamp and is mounted on the lifting support frame, the electrolyte injection mechanism comprises an injection tube, one end of the injection tube is provided with an injection needle head, and the electrolyte injection mechanism is provided with a liquid inlet which is communicated with a liquid outlet of the electrolyte storage tank through a pipeline. Through the optimally designed semi-automatic liquid injection machine for the lithium ion battery laboratory, double-station continuous liquid injection is realized by arranging two battery mounting grooves on the battery clamp, so that the liquid injection efficiency is greatly improved; in addition, the vacuum connecting pipe is utilized to vacuumize the interior of the battery case before liquid injection, and the electrolyte is automatically sucked by utilizing the vacuum negative pressure principle, so that air bubbles in the battery core are effectively eliminated, and the infiltration effect of the battery core is greatly enhanced.

Description

Lithium ion battery's laboratory is with semi-automatic liquid machine of annotating
Technical Field
The invention relates to the technical field of lithium batteries, in particular to a semi-automatic liquid injection machine for a lithium ion battery laboratory.
Background
The lithium ion battery is developed rapidly, and the application range is wider and wider, so that the requirement on the performance of the lithium ion battery is higher and higher, the electrolyte is used as an important component of the lithium ion battery, the performance of the lithium ion battery is directly influenced, the amount of the injected electrolyte and the wettability of the electrolyte on a battery cell directly influence the cycle life, the battery capacity and the performance of the lithium ion battery.
In the preparation process of a small amount of batteries in a laboratory at present, manual liquid injection is mostly carried out in a liquid injection link by using an injector, and the method has the advantages of low liquid injection efficiency, serious electrolyte waste, relatively poor wettability, influence on the authenticity of an experiment and wrong conclusion. In addition, improper operation even can cause the danger of electrolyte splashing to operators.
Disclosure of Invention
In order to solve the technical problems in the background technology, the invention provides a semi-automatic liquid injection machine for a laboratory of a lithium ion battery.
The invention provides a lithium ion battery laboratory semi-automatic liquid injection machine, which comprises: the electrolyte tank, the battery clamp, the liquid injection mechanism and the driving mechanism;
the battery clamp is provided with a first battery mounting groove, a second battery mounting groove and a slide rail, and the slide rail extends along the distribution direction of the first battery mounting groove and the second battery mounting groove;
the electrolyte storage tank is positioned above the battery clamp, the bottom of the electrolyte storage tank is provided with a liquid outlet, a lifting support frame is arranged below the electrolyte storage tank and can be slidably arranged on the slide rail, and the driving mechanism is connected with the lifting support frame and used for driving the lifting support frame to lift;
annotate liquid mechanism and be located battery anchor clamps top and install on lift supports, annotate liquid mechanism and include the injection syringe, and injection syringe one end is equipped with the syringe needle, annotates the liquid inlet that is equipped with the liquid outlet intercommunication through pipeline and electrolyte storage tank in the liquid mechanism.
Preferably, the first battery mounting groove is far away from one side of the second battery mounting groove and is provided with a first mounting opening, and the second battery mounting groove is far away from one side of the first battery mounting groove and is provided with a second mounting opening.
Preferably, a plurality of first partition plates are arranged in the first battery installation groove, and the first battery installation groove is divided into a plurality of first sub-grooves distributed in a direction perpendicular to the sliding rail by the plurality of first partition plates.
Preferably, a plurality of second partition plates are arranged in the second battery installation groove, and the second battery installation groove is divided into a plurality of second sub-grooves distributed in the direction perpendicular to the sliding rail by the plurality of second partition plates.
Preferably, each second subslot is disposed to correspond to one first subslot.
Preferably, the injection mechanism comprises a main liquid pipe and a plurality of injection pipes, the liquid inlet is positioned on the main liquid pipe, the plurality of injection pipes are distributed along the direction perpendicular to the sliding rail and are communicated with the main liquid pipe, and each injection pipe corresponds to a group of correspondingly arranged first sub-grooves and second sub-grooves;
preferably, the lifting support frame is provided with a positioning bracket, and each injection tube is connected with the positioning bracket.
Preferably, still be equipped with the gas outlet on the notes liquid mechanism, be equipped with the vacuum connecting pipe on the gas outlet.
Preferably, the injection needle is provided with a sealing ring.
Preferably, the slide rail includes a first guide rail and a second guide rail, and the first battery mounting groove and the second battery mounting groove are located between the first guide rail and the second guide rail.
Preferably, the bottom of the lifting support frame is provided with a guide wheel matched with the slide rail.
According to the semi-automatic liquid injection machine for the lithium ion battery laboratory, the battery clamp is provided with the first battery mounting groove, the second battery mounting groove and the slide rail, the electrolyte storage tank is located above the battery clamp and is slidably mounted on the slide rail through the lifting support frame, the liquid injection mechanism is located above the battery clamp and is mounted on the lifting support frame, the liquid injection mechanism comprises an injection tube, one end of the injection tube is provided with an injection needle head, and the liquid injection mechanism is provided with a liquid inlet communicated with a liquid outlet of the electrolyte storage tank through a pipeline. The design is optimized, two battery mounting grooves are formed in the battery clamp, and the electrolyte storage tank is slidably mounted on the slide rail through the lifting support frame, so that double-station continuous electrolyte injection is realized, and the electrolyte injection efficiency is greatly improved; furthermore, the vacuum connecting pipe is utilized to vacuumize the interior of the battery case before liquid injection, and the electrolyte is automatically sucked by utilizing the vacuum negative pressure principle, so that air bubbles in the battery core are effectively eliminated, and the infiltration effect of the battery core is greatly enhanced.
Drawings
Fig. 1 is a schematic structural diagram of a lithium ion battery laboratory semi-automatic liquid injection machine provided by the invention.
Fig. 2 is a schematic structural diagram of an injection tube of a lithium ion battery laboratory semi-automatic liquid injection machine provided by the invention.
Detailed Description
As shown in fig. 1 and 2, fig. 1 is a schematic structural diagram of a lithium ion battery laboratory semi-automatic liquid injection machine provided by the present invention, and fig. 2 is a schematic structural diagram of an injection tube of a lithium ion battery laboratory semi-automatic liquid injection machine provided by the present invention.
Referring to fig. 1, the invention provides a lithium ion battery laboratory semi-automatic liquid injection machine, which comprises: the device comprises an electrolyte storage tank 1, a battery clamp 2, a liquid injection mechanism and a driving mechanism;
the battery clamp 2 is provided with a first battery mounting groove, a second battery mounting groove and a slide rail, and the slide rail extends along the distribution direction of the first battery mounting groove and the second battery mounting groove;
the electrolyte storage tank 1 is positioned above the battery clamp 2, the bottom of the electrolyte storage tank 1 is provided with a liquid outlet, a lifting support frame 3 is arranged below the electrolyte storage tank 1, the lifting support frame 3 can be slidably arranged on a slide rail, and a driving mechanism is connected with the lifting support frame 3 and used for driving the lifting support frame 3 to lift;
annotate liquid mechanism and be located battery anchor clamps 2 top and install on lift support frame 3, annotate liquid mechanism and include injection tube 4, and 4 one ends of injection tube are equipped with syringe needle 41, annotate the liquid inlet that is equipped with the liquid outlet intercommunication through pipeline and electrolyte storage tank 1 in the liquid mechanism.
In the specific working process of the semi-automatic liquid injection machine for the lithium ion battery laboratory, a first battery installation groove is filled with a battery shell to be injected in advance, a lifting support frame is moved along a slide rail, so that an electrolyte storage tank and a liquid injection mechanism are located above the first battery installation groove, a driving mechanism drives the lifting support frame to descend, an injection needle of the liquid injection mechanism extends into a liquid injection hole of the battery shell, and liquid is injected into the battery shell; annotate the liquid end, actuating mechanism drive lift supports rises, then moves lift supports along the slide rail for electrolyte storage tank and notes liquid mechanism are located second battery mounting groove top, annotate the liquid to the battery case in the second battery mounting groove, go up unloading to the battery case in the first battery mounting groove simultaneously, thereby improve and annotate liquid efficiency.
In this embodiment, lithium ion battery's that provides laboratory is with semi-automatic liquid machine of annotating is equipped with first battery mounting groove, second battery mounting groove and slide rail on the battery anchor clamps, and the electrolyte storage tank is located battery anchor clamps top and through lift support frame slidable mounting on the slide rail, annotates liquid mechanism and is located battery anchor clamps top and install on lift support frame, annotates liquid mechanism and includes the syringe, and syringe one end is equipped with the syringe needle, annotates the liquid entry that is equipped with the liquid outlet intercommunication through pipeline and electrolyte storage tank in the liquid mechanism. The design is optimized, two battery mounting grooves are formed in the battery clamp, and the electrolyte storage tank is slidably mounted on the slide rail through the lifting support frame, so that double-station continuous electrolyte injection is realized, and the electrolyte injection efficiency is greatly improved; furthermore, the vacuum connecting pipe is utilized to vacuumize the interior of the battery case before liquid injection, and the electrolyte is automatically sucked by utilizing the vacuum negative pressure principle, so that air bubbles in the battery core are effectively eliminated, and the infiltration effect of the battery core is greatly enhanced.
In a specific embodiment, the first battery mounting groove is far away from one side of the second battery mounting groove and is provided with a first mounting opening, and the second battery mounting groove is far away from one side of the first battery mounting groove and is provided with a second mounting opening, so that the battery shell can be conveniently dismounted and mounted on the battery mounting groove.
In order to further improve the liquid injection efficiency, be equipped with a plurality of first baffles 61 in the first battery mounting groove, a plurality of first baffles 61 will first battery mounting groove is separated for a plurality of first subslots that distribute along the perpendicular to slide rail direction, be equipped with a plurality of second baffles in the second battery mounting groove, a plurality of second baffles will second battery mounting groove is separated for a plurality of second subslots that distribute along the perpendicular to slide rail direction, and every second subslot corresponds the setting with a first subslot. In a specific design manner of the injection mechanism, the injection mechanism comprises a main liquid pipe 7 and a plurality of injection pipes 4, the liquid inlet is positioned on the main liquid pipe 7, the plurality of injection pipes 4 are distributed along a direction perpendicular to the sliding rail and are communicated with the main liquid pipe 7, and each injection pipe 4 corresponds to a group of correspondingly arranged first sub-grooves and second sub-grooves; and simultaneously injecting the batteries in the corresponding battery mounting grooves by a plurality of groups of injection pipes.
In a further specific embodiment, the lifting support frame 3 is provided with a positioning support 31, each injection tube 4 is connected with the positioning support 31, the positioning accuracy of an injection needle and a battery is improved during liquid injection, and shaking is prevented during liquid injection.
In other specific embodiments, the liquid injection mechanism is further provided with a gas outlet, and the gas outlet is provided with a vacuum connecting pipe 8; before annotating the liquid, close the liquid entry, carry out the evacuation to the battery case through the vacuum connecting pipe, the back is stabilized in the vacuum, opens the liquid entry, and under the effect of negative pressure in the battery case, inside electrolyte can inhale the battery rapidly, and the inside bubble of electric core can be eliminated in the negative pressure effect, and the infiltration effect of reinforcing electric core that can be very big.
In order to improve the sealing performance, referring to fig. 2, the syringe needle 41 is provided with a gasket 5, and the syringe needle is sealed with the liquid inlet of the battery case by the gasket.
In order to ensure the stability of the movement of the electrolyte storage tank and the injection mechanism when the work stations are switched, in other specific embodiments, the slide rail includes a first guide rail 21 and a second guide rail, and the first battery mounting groove and the second battery mounting groove are located between the first guide rail 21 and the second guide rail.
In other embodiments, the bottom of the lifting support frame 3 is provided with a guide wheel matched with the slide rail.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (11)

1. The utility model provides a lithium ion battery's laboratory is with semi-automatic annotating liquid machine which characterized in that includes: the device comprises an electrolyte storage tank (1), a battery clamp (2), a liquid injection mechanism and a driving mechanism;
the battery clamp (2) is provided with a first battery mounting groove, a second battery mounting groove and a slide rail, and the slide rail extends along the distribution direction of the first battery mounting groove and the second battery mounting groove;
the electrolyte storage tank (1) is positioned above the battery clamp (2), the bottom of the electrolyte storage tank is provided with a liquid outlet, a lifting support frame (3) is arranged below the electrolyte storage tank (1), the lifting support frame (3) is slidably mounted on the slide rail, and a driving mechanism is connected with the lifting support frame (3) and used for driving the lifting support frame (3) to lift;
annotate liquid mechanism and be located battery anchor clamps (2) top and install on lift support frame (3), annotate liquid mechanism and include injection tube (4), and injection tube (4) one end is equipped with syringe needle (41), annotates the liquid inlet that is equipped with the liquid outlet intercommunication through pipeline and electrolyte storage tank (1) in the liquid mechanism.
2. The lithium ion battery laboratory semi-automatic liquid injection machine according to claim 1, wherein a first mounting opening is provided on a side of the first battery mounting groove away from the second battery mounting groove, and a second mounting opening is provided on a side of the second battery mounting groove away from the first battery mounting groove.
3. The lithium ion battery laboratory semi-automatic liquid injection machine according to claim 1, characterized in that a plurality of first partition boards (61) are arranged in the first battery installation groove, and the first battery installation groove is divided into a plurality of first sub-grooves distributed along a direction perpendicular to the slide rail by the plurality of first partition boards (61).
4. The lithium ion battery laboratory semi-automatic liquid injection machine according to claim 3, wherein a plurality of second partition plates are arranged in the second battery installation groove, and the second battery installation groove is divided into a plurality of second sub-grooves distributed in a direction perpendicular to the slide rail by the plurality of second partition plates.
5. The lithium ion battery laboratory semi-automatic electrolyte injection machine according to claim 4, characterized in that each second sub-tank is arranged corresponding to one first sub-tank.
6. The lithium ion battery laboratory semi-automatic liquid injection machine according to claim 5, characterized in that, the injection mechanism comprises a main liquid pipe (7) and a plurality of injection tubes (4), the liquid inlet is located on the main liquid pipe (7), the plurality of injection tubes (4) are distributed along the direction perpendicular to the sliding rail and are communicated with the main liquid pipe (7), and each injection tube (4) corresponds to a set of correspondingly arranged first sub-groove and second sub-groove.
7. The lithium ion battery laboratory semi-automatic liquid injection machine according to claim 6, characterized in that a positioning bracket (31) is arranged on the lifting support frame (3), and each injection tube (4) is connected with the positioning bracket (31).
8. The lithium ion battery laboratory semi-automatic liquid injection machine according to claim 1, characterized in that the liquid injection mechanism is further provided with a gas outlet, and the gas outlet is provided with a vacuum connection pipe (8).
9. The lithium ion battery laboratory semi-automatic liquid injection machine according to claim 8, characterized in that the injection needle (41) is provided with a sealing ring (5).
10. The lithium ion battery laboratory semi-automatic liquid injection machine according to claim 1, characterized in that, the slide rail comprises a first guide rail (21) and a second guide rail, the first battery mounting groove and the second battery mounting groove are located between the first guide rail (21) and the second guide rail.
11. The lithium ion battery laboratory semi-automatic liquid injection machine according to claim 1, characterized in that the bottom of the lifting support frame (3) is provided with a guide wheel matched with the slide rail.
CN201710565735.2A 2017-07-12 2017-07-12 Lithium ion battery's laboratory is with semi-automatic liquid machine of annotating Expired - Fee Related CN107240670B (en)

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CN201710565735.2A CN107240670B (en) 2017-07-12 2017-07-12 Lithium ion battery's laboratory is with semi-automatic liquid machine of annotating

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Application Number Priority Date Filing Date Title
CN201710565735.2A CN107240670B (en) 2017-07-12 2017-07-12 Lithium ion battery's laboratory is with semi-automatic liquid machine of annotating

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CN107240670B true CN107240670B (en) 2020-04-14

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109860505A (en) * 2019-02-25 2019-06-07 合肥国轩高科动力能源有限公司 A kind of liquid-filling machine for battery
CN109713210B (en) * 2019-03-06 2023-07-07 深圳市新世纪自动化科技有限公司 Isobaric liquid injection device and method of liquid injection machine
CN109786648B (en) * 2019-03-13 2024-02-09 速博达(深圳)自动化有限公司 Liquid filling cup device
CN111416095B (en) * 2020-02-28 2022-08-09 合肥国轩高科动力能源有限公司 Liquid supplementing device of lithium ion cylindrical battery

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203367408U (en) * 2013-04-23 2013-12-25 深圳市铂纳特斯自动化科技有限公司 Automatic filling machine for cylindrical batteries
CN205911354U (en) * 2016-08-11 2017-01-25 合肥国轩高科动力能源有限公司 Manual notes liquid structure of volume of being used for small batch lithium ion experiment battery

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203367408U (en) * 2013-04-23 2013-12-25 深圳市铂纳特斯自动化科技有限公司 Automatic filling machine for cylindrical batteries
CN205911354U (en) * 2016-08-11 2017-01-25 合肥国轩高科动力能源有限公司 Manual notes liquid structure of volume of being used for small batch lithium ion experiment battery

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