CN106684310A - Liquid injection equipment and method - Google Patents

Liquid injection equipment and method Download PDF

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Publication number
CN106684310A
CN106684310A CN201710060637.3A CN201710060637A CN106684310A CN 106684310 A CN106684310 A CN 106684310A CN 201710060637 A CN201710060637 A CN 201710060637A CN 106684310 A CN106684310 A CN 106684310A
Authority
CN
China
Prior art keywords
nail
liquid
battery core
liquid injection
fluid sealant
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
CN201710060637.3A
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Chinese (zh)
Inventor
官锋
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.)
Contemporary Amperex Technology Co Ltd
Original Assignee
Contemporary Amperex 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 Contemporary Amperex Technology Co Ltd filed Critical Contemporary Amperex Technology Co Ltd
Priority to CN201710060637.3A priority Critical patent/CN106684310A/en
Publication of CN106684310A publication Critical patent/CN106684310A/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
    • 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
    • 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
    • H01M50/609Arrangements or processes for filling with liquid, e.g. electrolytes
    • H01M50/627Filling ports
    • H01M50/636Closing or sealing filling ports, e.g. using lids
    • 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 application relates to the technical field of energy storage device production, in particular to liquid injection equipment and a liquid injection method. The liquid injection equipment comprises a liquid injection and helium filling module and a nailing module, wherein the liquid injection and helium filling module and the nailing module are arranged at different stations along the conveying direction, and the liquid injection and helium filling module is used for injecting liquid and filling inert gas into the battery cell; the nailing module is used for pressing the sealing rubber nails into the liquid injection holes of the battery core, so that the sealing rubber nails are sealed with the liquid injection holes. This application will annotate the liquid process and the process of the sealed nail of impressing is operated at different stations respectively, makes the sealed nail of gluing directly get into and annotates the liquid hole, need not be through annotating the liquid pipe to avoid sealed nail to receive the pollution of annotating the electrolyte in the liquid pipe, consequently, can reduce follow-up sealed nail laser welding in-process and appear the pinhole, explode some, step, pit defects and reduce the probability that arouses electric core to catch fire, improve the yield of electric core.

Description

Liquid-injection equipment and method
Technical field
The application is related to energy storage device production technical field, more particularly to a kind of liquid-injection equipment and method.
Background technology
With the development of modern society, automobile turns into most important instrument in human lives already.New-energy automobile goes out It is existing, waste gas discharge is greatly reduced, being capable of effective environmental protection.Battery core as the power source of new-energy automobile one kind, in vapour Car in the market receives vast welcome.In the production process of battery core, including fluid injection operation and sealing welding operation, due to note Existence time is poor between liquid operation and sealing welding operation, swollen in order to prevent between two procedures aerogenesis inside battery core to cause Swollen, the indentation sealing glue nail generally after fluid injection makes the inside of battery core keep tiny structure.
Existing liquid-injection equipment, the operation that will be pressed into fluid sealant nail is arranged on filling machine, including glue nail channel;Filling machine Including electrolyte passage and liquid injection pipe, glue nail channel and electrolyte passage are connected with one end of liquid injection pipe simultaneously, liquid injection pipe it is another One end inserts the liquid injection hole of battery core in fluid injection and indentation sealing timing, and after fluid injection terminates, liquid injection pipe still inserts liquid injection hole, now Glue nail channel, liquid injection pipe press-in liquid injection hole when fluid sealant nail is passed sequentially through.
However, existing this liquid-injection equipment, due to fluid sealant nail when liquid injection hole is pressed into, it is necessary to by liquid injection pipe, and Liquid injection pipe meeting residual fraction electrolyte after fluid injection terminates, so, fluid sealant nail can be infected with electrolyte, cause pollution, Jin Erzao There are the defects such as pin hole, quick-fried point, step, pit into follow-up fluid sealant nail laser beam welding, influence battery core yield rate, seriously When battery core can be caused to catch fire.
The content of the invention
This application provides a kind of liquid-injection equipment and method, above mentioned problem is can solve the problem that.
The first aspect of the application provides a kind of liquid-injection equipment, including helium module and nailing module, the note are filled in fluid injection Liquid fills helium module and the nailing module and is arranged on different stations along conveying direction, and the fluid injection fills helium module for battery core Fluid injection and it is filled with inert gas;The nailing module is used to, by the liquid injection hole of the fluid sealant nail press-in battery core, make the sealing The glue nail sealing liquid injection hole.
Preferably, the nailing module includes pre- stapling machine structure and total head nailing machine structure, and the pre- stapling machine structure is used for institute State fluid sealant nail and be delivered to the liquid injection hole of the battery core, and the inside of the battery core can be made still to be in communication with the outside;The total head Nailing machine structure is used to vacuumize the inside of the battery core and fluid sealant nail is completely forced into the liquid injection hole, so that described The fluid sealant nail sealing liquid injection hole.
Preferably, the pre- stapling machine structure includes feed pipe, glue nail cavity and precompressed nail rod, and the glue nail cavity is provided with discharging Mouthful, the precompressed nail rod stretches into the glue nail cavity near or away from the direction activity of the discharging opening, for will be described close The sealing nail press-in liquid injection hole;One end of the feed pipe connects with the glue nail cavity, is sent into for the fluid sealant to be followed closely The glue nail cavity.
Preferably, steam vent is additionally provided with the glue nail cavity, the glue nail cavity is in communication with the outside by the steam vent.
Preferably, the pre- stapling machine structure also includes that glue follows closely detector, and the glue nail detector is used to detect the glue nail Whether there is the fluid sealant to follow closely in chamber.
Preferably, the glue nail detector includes detection sleeve pipe, and the detection casing pipe sleeve is loaded on the feed pipe near institute State one end of glue nail cavity.
Preferably, the pre- stapling machine structure also includes location detector, and the location detector is used to detect the fluid injection The position in hole.
Preferably, the pre- stapling machine structure also includes two-dimension translational platform, the precompressed nail rod and/or the location detector It is connected to the two-dimension translational platform.
Preferably, the pre- stapling machine structure also includes connecing dirty box, described to connect dirty box and connected with the glue nail cavity.
Preferably, the nailing module also includes a point nailing machine structure, and described point of nailing machine structure is provided with feeding port, the feeding port with Gases at high pressure are connected;The feed pipe is relative with the feeding port away from one end of the glue nail cavity, will be positioned at the feeding The fluid sealant nail feeding glue nail cavity of mouth.
Preferably, the total head nailing machine structure includes vacuum unit and nailing unit, and the vacuum unit is used for institute The inside for stating battery core vacuumizes;The nailing unit is used to be completely forced into fluid sealant nail in the liquid injection hole, makes described The fluid sealant nail sealing liquid injection hole.
The second aspect of the application also provides a kind of battery core electrolyte filling method, for the liquid-injection equipment described in any of the above-described, It is characterised in that it includes:
Step S1:Fluid injection is carried out to battery core, and inert gas is filled with after the completion of the battery core fluid injection;
Step S2:By the liquid injection hole of the fluid sealant nail press-in battery core, seal the liquid injection hole;
The wherein described step S1 and step S2 is carried out in different station.
Preferably, the step S2 includes:
Step S21:Fluid sealant nail is pressed into the liquid injection hole of the battery core in advance, makes the inside of the battery core by the sealing Glue is followed closely and still connected with the external world;
Step S22:Inside to the battery core vacuumizes;
Step S23:Fluid sealant nail is completely forced into the liquid injection hole, the liquid injection hole is sealed.
The technical scheme that the application is provided can reach following beneficial effect:
Helium module and nailing module are filled in liquid-injection equipment provided herein, including fluid injection, will fluid injection operation and press-in The operation of fluid sealant nail is operated in different station respectively, is followed closely fluid sealant and is directly entered liquid injection hole, it is not necessary to by liquid injection pipe, from And avoid fluid sealant from following closely and polluted by the electrolyte in liquid injection pipe, taken over therefore, it is possible to reduce follow-up fluid sealant nail Laser Welding Occur the probability that the defects such as pin hole, quick-fried point, step, pit and reduction cause battery core to be caught fire in journey, improve the yield rate of battery core.
It should be appreciated that the general description of the above and detailed description hereinafter are only exemplary, this can not be limited Application.
Brief description of the drawings
Fig. 1 is a kind of structural representation of specific embodiment of liquid-injection equipment provided herein;
Fig. 2 is that liquid-injection equipment provided herein point nailing machine structure shows with a kind of structure of specific embodiment of pre- stapling machine structure It is intended to;
Fig. 3 is the partial enlarged drawing at I in Fig. 2;
Fig. 4 is liquid-injection equipment a kind of structural representation of specific embodiment of total head nailing machine structure provided herein;
Fig. 5 is a kind of structural representation of specific embodiment of liquid-injection equipment conveyer belt provided herein;
Fig. 6 is a kind of flow chart of specific embodiment of battery core processing method provided herein.
Reference:
1- pan feeding stations;
2- feeding manipulators;
3- the first sub-material manipulators;
Helium module is filled in 4- fluid injections;
5- the second sub-material manipulators;
6- conveyer belts;
61- bodies;
62- location structures;
63- clamping structures;
7- nailing modules;
The pre- stapling machine structures of 71-;711- precompressed guide pads;712- detects sleeve pipe;713- connects dirty box;714- precompressed nail rods; 715- location detectors;716- two-dimension translational platforms;The pre- nail pressing cylinders of 717-;718- feed pipes;719- steam vents;
72- total head nailing machine structures;721- vacuum valves;722- adjustment units;723- vacuum tubes;724- total head guide pads;725- Total head nail rod;726- total heads follow closely cylinder;727- lower air cylinders;728- voltage regulating meters;729- pressure gauges;
73- points of nailing machine structure;731- send nail to manage;732- air admission holes;733- glue follows closely transition block;734- vibrating disks;
8- goes out material position.
Accompanying drawing herein is merged in specification and constitutes the part of this specification, shows the implementation for meeting the application Example, and it is used to explain the principle of the application together with specification.
Specific embodiment
The application is described in further detail below by specific embodiment and with reference to accompanying drawing.
As Figure 1-4, the embodiment of the present application provide a kind of liquid-injection equipment, for the secondary fluid injection to battery core and The liquid injection hole indentation sealing glue nail of battery core.Liquid-injection equipment fills helium module 4 and nailing module 7 including fluid injection.The He of helium module 4 is filled in fluid injection Nailing module 7 is arranged on different stations, i.e. fluid injection and fills helium module 4 and is located at along conveying direction (i.e. the conveying direction of conveyer belt 6) Fluid injection station, nailing module 7 is located at nailing station, and the operation followed closely with indentation sealing glue due to the fluid injection operation of battery core is not same Station, can make the negative pressure in battery core disappear in battery core course of conveying, therefore, station is not converted after the completion of fluid injection, to battery core Inside is filled with inert gas, such as helium, and fluid sealant nail is completely forced into electricity again after nailing station is vacuumized to the inside of battery core The liquid injection hole of core, that is to say, that helium module 4 is filled in fluid injection to be used for battery core fluid injection and be filled with inert gas, specifically, in fluid injection work Position, fluid injection is filled helium module 4 and first the inside of battery core is vacuumized, and then carries out fluid injection to battery core again, and indifferent gas is re-filled with after fluid injection Body;Afterwards, battery core is delivered to nailing station, battery core can be filled helium module 4 and be delivered to nailing mould by conveyer belt 6 by fluid injection Group 7.The liquid injection hole of fluid sealant nail press-in battery core is made fluid sealant follow closely sealing liquid injection hole, specifically, nailing module 7 by nailing module 7 The inside of the battery core after fluid injection can be vacuumized, and by fluid sealant nail press-in liquid injection hole, fluid sealant is followed closely sealing liquid injection hole.
Generally, liquid-injection equipment also includes pan feeding station 1, feeding manipulator 2, preceding weigh module (not shown), first Sub-material manipulator 3, the second sub-material manipulator 5, conveyer belt 6, after weigh and module (not shown) and go out material position 8.
When above-described embodiment is operated, as shown in figure 1, feeding manipulator 2 will treat that the battery core of fluid injection is weighed module before being delivered to, Judge whether battery core is qualified by weighing, underproof battery core is delivered in caching module by the first sub-material manipulator 3, by people Work intervention is processed;Qualified battery core is delivered to fluid injection and fills helium module 4 by the first sub-material manipulator 2.Helium module 4 pairs is filled by fluid injection Battery core carries out fluid injection, and the inside after the completion of fluid injection to battery core is filled with inert gas, claims after then being delivered to by the second sub-material manipulator 5 Molality group, judges the battery core after fluid injection, it is underproof by the second sub-material manipulator 5 deliver to caching module in, by people Work intervention is processed;Qualified is delivered to conveyer belt 6 by the second sub-material manipulator 5, and it is clear that battery core is delivered into liquid injection hole by conveyer belt 6 Clean module, is then sent to nailing module 7, after fluid sealant nail is completely forced into liquid injection hole, battery core is delivered to out into material position 8.
Obviously, fluid injection is filled helium module 4 and is arranged on different stations from nailing module 7 by said process, make fluid injection operation with The operation of indentation sealing glue nail is operated in different station respectively, and when indentation sealing glue is followed closely, fluid sealant nail is directly entered liquid injection hole, Need not be polluted by the electrolyte in liquid injection pipe so as to avoid fluid sealant from following closely by liquid injection pipe, it is follow-up therefore, it is possible to reduce Occur the defects such as pin hole, quick-fried point, step, pit in fluid sealant nail laser beam welding and that reduction causes that battery core catches fire is several Rate, improves the yield rate of battery core.
Due to the particularity of fluid sealant nail, when it is not completely forced into liquid injection hole, the inside of battery core still is able to be in communication with the outside, When fluid sealant nail is completely forced into liquid injection hole, liquid injection hole can be sealed, the inside and the external world for making battery core do not connect at liquid injection hole It is logical.Therefore, processing and the manufacture of equipment for convenience, as shown in figure 1, nailing module 7 includes pre- stapling machine structure 71 and total head Nailing machine structure 72, pre- stapling machine structure 71 is used to be delivered to fluid sealant nail the liquid injection hole of battery core, and now fluid sealant nail only delivers to fluid injection Hole, but be not completely forced into liquid injection hole, now the inside of battery core with extraneous still through liquid injection hole, fluid sealant nail or the two it Between gap connection.Total head nailing machine structure 72 is used to vacuumize the inside of battery core and fluid sealant nail is completely forced into liquid injection hole, It is exactly generally that first the inside to battery core vacuumizes, the press-in that can follow closely fluid sealant is more smooth, then again follows closely fluid sealant Liquid injection hole is completely forced into, so that fluid sealant nail sealing liquid injection hole, makes the inside of battery core not connected at liquid injection hole with the external world.
As Figure 2-3, including feed pipe 718, glue nail cavity and precompressed nail rod 714, glue nail cavity set pre- stapling machine structure 71 There is discharging opening, precompressed nail rod 714 stretches into glue nail cavity, pressed for fluid sealant to be followed closely to the direction activity near or away from discharging opening Enter liquid injection hole, the precompressed drive mechanism of precompressed nail rod 714 can follow closely cylinder 717, or other drive mechanisms, such as hydraulic pressure for precompressed Cylinder.Usual pre- stapling machine structure 71 also includes precompressed guide pad 711, and glue nail cavity and discharging opening are located at precompressed guide pad 711, and Precompressed guide pad 711 is provided with precompressed pilot hole, and alternatively, precompressed pilot hole is relative with discharging opening, and precompressed nail rod 714 is along guiding Glue nail cavity is stretched into the direction activity near or away from discharging opening in hole;One end of feed pipe 718 connects with glue nail cavity, for inciting somebody to action Fluid sealant nail feeding glue nail cavity.During operation, fluid sealant nail is delivered into glue nail cavity by feed pipe 718, the conveying of conveyer belt 6 battery core is extremely Nailing station, makes discharging opening relative with the liquid injection hole of battery core, and then precompressed nail rod 714 is moved to the direction of discharging opening, will be sealed Glue nail is delivered to liquid injection hole, by said structure, the impurity brought into during can reducing fluid sealant nail feeding liquid injection hole.
Because during fluid sealant nail press-in liquid injection hole, the gas of glue nail cavity is compressed, and increased precompressed nail rod 714 The resistance of motion, in order that the resistance reduce, steam vent 719 is additionally provided with glue nail cavity, as shown in figure 3, glue nail cavity by exhaust Hole 719 is in communication with the outside.
In order to ensure the actuation time of precompressed nail rod 714, pre- stapling machine structure 71 also includes that glue follows closely detector, glue nail detector For detecting in glue nail cavity whether there is fluid sealant to follow closely, detect when thering is fluid sealant to follow closely in glue nail cavity, then drive precompressed nail rod 714 to move Make, to improve operating efficiency.Generally, glue nail detector is electrically connected with precompressed drive mechanism, to realize automation mechanized operation.
Wherein, glue follows closely detector includes one of detection sleeve pipe 712, camera, pressure sensor etc. or many persons, During including detection sleeve pipe 712, it is likely to be connected to a certain position of feed pipe 718 due to fluid sealant nail, in order to ensure detection Accuracy, detection sleeve pipe 712 is set in feed pipe 718 near one end of glue nail cavity, and it can be externally fitted to feed pipe 718, The inside of feed pipe 718 can be sheathed on.
Due to the limited precision for manufacturing and control, conveyer belt 6 has deviation to the transfer position of battery core, cause discharging opening with The positional precision of liquid injection hole may be poor, in order to improve positional precision when liquid injection hole is followed closely with discharging opening indentation sealing glue, precompressed Nailing machine structure 71 also includes location detector 715, and location detector 715 generally includes camera, the position for detecting liquid injection hole, To be accurately obtained the position of liquid injection hole, discharging opening is then moved, make it just right with discharging opening.
Further, the movement of discharging opening or location detector 715 for convenience, pre- stapling machine structure 71 also includes two dimension Translation stage 716, precompressed nail rod 714 and location detector 715 are connected to two-dimension translational platform 716, and in the position for obtaining liquid injection hole Afterwards, discharging opening accurately can be moved to by the position relative with liquid injection hole by two-dimension translational platform 716.
When fluid sealant nail being delivered into glue nail cavity due to feed pipe 718, foreign matter may can be still carried, in order to prevent foreign matters from being blocked Steam vent 719, pre- stapling machine structure 71 also includes connecing dirty box 713, connects dirty box 713 and is connected with glue nail cavity, can carry foreign matter, and energy Enough prevent pollution of the foreign matter to battery core.
In order to ensure the quality of fluid sealant nail, nailing module 7 also includes a point nailing machine structure 73, as shown in Fig. 2 point nailing machine structure 73 Feeding port (not shown) is provided with, feeding port is connected with gases at high pressure, generally point nailing machine structure 73 includes vibrating disk 734, send nail Pipe 731, glue follows closely transition block 733 and air admission hole 732, and vibrating disk 734 is connected with one end of nail pipe 731 is sent, and send the another of nail pipe 731 Transition block 733 is stretched at end, and glue nail transition block 733 is provided with gas passage, and feeding port is connected by inlet channel with air admission hole 732 Logical, qualified fluid sealant is followed closely and delivers to nail pipe 731 by vibrating disk 734 by vibration, is sealed under vibration surplus energy with Action of Gravity Field Glue nail is followed closely in transition block 733 by sending nail pipe 731 to deliver to glue.Feed pipe 718 is relative with feeding port away from one end of glue nail cavity, Gases at high pressure are passed through at air admission hole 732, the fluid sealant nail that will be located at feeding port sends into glue nail cavity by feed pipe 718.
Total head nailing machine structure 72 in the various embodiments described above includes vacuum unit and nailing unit, as shown in figure 4, nailing list Unit is used to, by fluid sealant nail press-in liquid injection hole, make fluid sealant follow closely sealing liquid injection hole, and specifically, nailing unit is oriented to including total head Block 724 and total head nail rod 725, total head guide pad 724 are provided with total head pilot hole, and the activity of total head nail rod 725 is plugged in total head and leads Xiang Kong, and total head guide pad 724 can be passed through, the driving of total head nail rod 724 can follow closely cylinder 726 and drive or it by total head Its drive mechanism such as hydraulic cylinder.
Vacuum unit is used to vacuumize the inside of battery core, can be entered by the gap between liquid injection hole and fluid sealant nail Row is vacuumized, including vacuum valve 721, vacuum tube 723 and lower air cylinder 727.Usually, total head pilot hole is close to the one of battery core End is provided with seal, during facilitating total head pilot hole relative with liquid injection hole, in the presence of lower air cylinder 727, is oriented to total head Sealed between hole and liquid injection hole;One end of vacuum tube 723 is connected with vacuum valve 721, and the other end is connected with total head pilot hole, is passed through Control vacuum valve 721, the inside to battery core is vacuumized, and then drives total head nail rod 725 to act again, and fluid sealant nail is completely forced into Liquid injection hole, realizes the sealing of liquid injection hole.
Total head nailing machine structure 72 also includes voltage regulating meter 728 and pressure gauge 729, and the pressure in battery core is detected when pressure gauge 729 When power reaches preset pressure, stop vacuumizing, so as to better ensure that the vacuum inside battery core.Voltage regulating meter 729 is used for total head The pressure in battery core is adjusted during nail.
The need in order to adapt to different model battery core, total head nailing machine structure 72 also includes adjustment unit 722, by adjustment unit 722 can make total head nail rod 725 be directed at the liquid injection hole of the battery core of different model., usually, adjustment unit 722 is linear regulation Unit, such as line slideway.
Generally, divide nailing machine structure 73, pre- stapling machine structure 71 and total head nailing machine structure 72 arranged successively in the conveying direction in difference Station, to facilitate operation;Certain three or therein both can also be located at same station.
Wherein, conveyer belt 6 includes body 61, location structure 62 and clamping structure 63, as shown in figure 5, relative to conveying side To location structure 62 is located at the both sides of body 61 with clamping structure 63, and is oppositely arranged, and location structure 62 is used to passing battery core Positioned during sending, to improve positional precision of the battery core in each station;Clamping structure 63 coordinates with location structure 62, for clamping Battery core, prevents it to be subjected to displacement in each station manipulation.Specifically, location structure 62, clamping structure 63 can be cylinder, gas The telescopic direction of cylinder is transversely to the conveying direction, usually, the gas of the driving force more than clamping structure 63 of the cylinder of location structure 62 The driving force of cylinder, to prevent clamping force too big, causes battery core to move.
In addition, the application also provides a kind of battery core electrolyte filling method, for the battery core liquid-injection equipment of the various embodiments described above, such as scheme Shown in 6, including:
Step S1:Fluid injection is carried out to battery core, and inert gas is filled with after the completion of battery core fluid injection;
Step S2:Fluid sealant nail is completely forced into the liquid injection hole of battery core, liquid injection hole is sealed;
Wherein, step S1 and step S2 is carried out in different station, to prevent fluid sealant from following closely by electrolyte contamination, it is ensured that sealing The cleannes during liquid injection hole of glue nail press-in battery core.
Specifically, step S2 includes:
Step S21:Fluid sealant is followed closely the liquid injection hole of pre- press-in battery core, the inside of battery core is followed closely with the external world still by fluid sealant Connection;
Step S22:Inside to battery core vacuumizes;
Step S23:Fluid sealant nail is completely forced into liquid injection hole, liquid injection hole is sealed;
Wherein, step S21, S22 and step S23 can be carried out in different stations, it is also possible to be carried out in same station, excellent The former is selected, to prevent the interference of equipment between each step.
The preferred embodiment of the application is the foregoing is only, the application is not limited to, for the skill of this area For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair Change, equivalent, improvement etc., should be included within the protection domain of the application.

Claims (13)

1. a kind of liquid-injection equipment, it is characterised in that fill helium module and nailing module including fluid injection, helium module and institute are filled in the fluid injection State nailing module and be arranged on different stations along conveying direction, helium module is filled in the fluid injection to be used for battery core fluid injection and be filled with inertia Gas;The nailing module is used for the liquid injection hole of the fluid sealant nail press-in battery core, makes the fluid sealant nail sealing note Fluid apertures.
2. liquid-injection equipment according to claim 1, it is characterised in that the nailing module includes pre- stapling machine structure and total head Nailing machine structure, the pre- stapling machine structure is used to for fluid sealant nail to be delivered to the liquid injection hole of the battery core, and can make the electricity The inside of core is still in communication with the outside;The total head nailing machine structure is used to vacuumizing the inside of the battery core and by the fluid sealant Nail is completely forced into the liquid injection hole, so that the fluid sealant nail sealing liquid injection hole.
3. liquid-injection equipment according to claim 2, it is characterised in that the pre- stapling machine structure includes feed pipe, glue nail cavity And precompressed nail rod, the glue nail cavity is provided with discharging opening, the precompressed nail rod near or away from the direction of the discharging opening The glue nail cavity is stretched into activity, for fluid sealant nail to be pressed into the liquid injection hole;One end of the feed pipe and the glue Nail cavity is connected, for fluid sealant nail to be sent into the glue nail cavity.
4. liquid-injection equipment according to claim 3, it is characterised in that steam vent, the glue are additionally provided with the glue nail cavity Nail cavity is in communication with the outside by the steam vent.
5. liquid-injection equipment according to claim 3, it is characterised in that the pre- stapling machine structure also includes that glue follows closely detector, Whether the glue nail detector is used to detect have the fluid sealant to follow closely in the glue nail cavity.
6. liquid-injection equipment according to claim 5, it is characterised in that the glue nail detector includes detection sleeve pipe, described Detection casing pipe sleeve is loaded on the feed pipe near one end of the glue nail cavity.
7. liquid-injection equipment according to claim 3, it is characterised in that the pre- stapling machine structure also includes location detector, The location detector is used to detect the position of the liquid injection hole.
8. liquid-injection equipment according to claim 7, it is characterised in that the pre- stapling machine structure also includes two-dimension translational platform, The precompressed nail rod and/or the location detector are connected to the two-dimension translational platform.
9. liquid-injection equipment according to claim 3, it is characterised in that the pre- stapling machine structure also includes connecing dirty box, described Dirty box is connect to be connected with the glue nail cavity.
10. liquid-injection equipment according to claim 3, it is characterised in that the nailing module also includes a point nailing machine structure, described Nailing machine structure is divided to be provided with feeding port, the feeding port is connected with gases at high pressure;The feed pipe away from the glue nail cavity one end with The feeding port is relative, will be located at the fluid sealant nail feeding glue nail cavity of the feeding port.
11. liquid-injection equipment according to claim any one of 3-10, it is characterised in that the total head nailing machine structure includes taking out true Dummy cell and nailing unit, the vacuum unit are used to vacuumize the inside of the battery core;The nailing unit is used for will The fluid sealant nail total head enters in the liquid injection hole, makes the fluid sealant nail sealing liquid injection hole.
12. a kind of battery core electrolyte filling methods, for the liquid-injection equipment described in claim any one of 1-11, it is characterised in that including:
Step S1:Fluid injection is carried out to battery core, and inert gas is filled with after the completion of the battery core fluid injection;
Step S2:By the liquid injection hole of the fluid sealant nail press-in battery core, seal the liquid injection hole;
The wherein described step S1 and step S2 is carried out in different station.
13. battery core processing methods according to claim 12, it is characterised in that the step S2 includes:
Step S21:Fluid sealant nail is pressed into the liquid injection hole of the battery core in advance, the inside of the battery core is followed closely by the fluid sealant Still connected with the external world;
Step S22:Inside to the battery core vacuumizes;
Step S23:Fluid sealant nail is completely forced into the liquid injection hole, the liquid injection hole is sealed.
CN201710060637.3A 2017-01-25 2017-01-25 Liquid injection equipment and method Pending CN106684310A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710060637.3A CN106684310A (en) 2017-01-25 2017-01-25 Liquid injection equipment and method

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Application Number Priority Date Filing Date Title
CN201710060637.3A CN106684310A (en) 2017-01-25 2017-01-25 Liquid injection equipment and method

Publications (1)

Publication Number Publication Date
CN106684310A true CN106684310A (en) 2017-05-17

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Application Number Title Priority Date Filing Date
CN201710060637.3A Pending CN106684310A (en) 2017-01-25 2017-01-25 Liquid injection equipment and method

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Country Link
CN (1) CN106684310A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108039448A (en) * 2017-12-27 2018-05-15 深圳市誉辰自动化设备有限公司 Full-automatic battery fluid injection enters nail system
CN109103415A (en) * 2018-09-29 2018-12-28 无锡先导智能装备股份有限公司 Filling machine plug pin mechanism
CN112751147A (en) * 2020-12-31 2021-05-04 合肥国轩高科动力能源有限公司 Automatic nail inserting device for square battery formation nail

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003142074A (en) * 2001-10-30 2003-05-16 Yuasa Corp Electrolyte feeding method for battery jar formation of lead-acid battery and electrolyte feeding device for battery jar formation
CN204927413U (en) * 2015-08-11 2015-12-30 芜湖天弋能源科技有限公司 Lithium ion battery secondary priming device
CN105355833A (en) * 2015-10-22 2016-02-24 惠州金源精密自动化设备有限公司 Battery filling machine
CN105895851A (en) * 2016-06-27 2016-08-24 芜湖格利特新能源科技有限公司 Full-automatic secondary injection system for power lithium ion batteries
CN205543032U (en) * 2016-01-18 2016-08-31 深圳市誉辰自动化设备有限公司 Priming device and notes liquid equipment
CN106028672A (en) * 2016-07-05 2016-10-12 张剑光 Glue nail automatic assembly machine
CN206412411U (en) * 2017-01-25 2017-08-15 宁德时代新能源科技股份有限公司 Liquid-injection equipment

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003142074A (en) * 2001-10-30 2003-05-16 Yuasa Corp Electrolyte feeding method for battery jar formation of lead-acid battery and electrolyte feeding device for battery jar formation
CN204927413U (en) * 2015-08-11 2015-12-30 芜湖天弋能源科技有限公司 Lithium ion battery secondary priming device
CN105355833A (en) * 2015-10-22 2016-02-24 惠州金源精密自动化设备有限公司 Battery filling machine
CN205543032U (en) * 2016-01-18 2016-08-31 深圳市誉辰自动化设备有限公司 Priming device and notes liquid equipment
CN105895851A (en) * 2016-06-27 2016-08-24 芜湖格利特新能源科技有限公司 Full-automatic secondary injection system for power lithium ion batteries
CN106028672A (en) * 2016-07-05 2016-10-12 张剑光 Glue nail automatic assembly machine
CN206412411U (en) * 2017-01-25 2017-08-15 宁德时代新能源科技股份有限公司 Liquid-injection equipment

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108039448A (en) * 2017-12-27 2018-05-15 深圳市誉辰自动化设备有限公司 Full-automatic battery fluid injection enters nail system
CN108039448B (en) * 2017-12-27 2024-04-16 深圳市誉辰智能装备股份有限公司 Full-automatic battery liquid injection and nailing system
CN109103415A (en) * 2018-09-29 2018-12-28 无锡先导智能装备股份有限公司 Filling machine plug pin mechanism
CN112751147A (en) * 2020-12-31 2021-05-04 合肥国轩高科动力能源有限公司 Automatic nail inserting device for square battery formation nail
CN112751147B (en) * 2020-12-31 2022-05-10 合肥国轩高科动力能源有限公司 Automatic nail inserting device for square battery formation nail

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