CN206059555U - Arc lithium battery fixture - Google Patents

Arc lithium battery fixture Download PDF

Info

Publication number
CN206059555U
CN206059555U CN201621057484.4U CN201621057484U CN206059555U CN 206059555 U CN206059555 U CN 206059555U CN 201621057484 U CN201621057484 U CN 201621057484U CN 206059555 U CN206059555 U CN 206059555U
Authority
CN
China
Prior art keywords
mould
limiting section
curved surface
lithium battery
battery core
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.)
Active
Application number
CN201621057484.4U
Other languages
Chinese (zh)
Inventor
许汉良
毛继勇
张帆
胡祥
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.)
Zhuhai Penghui Energy Co. Ltd.
Original Assignee
GREATPOWER BATTRY (ZUHAI) 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 GREATPOWER BATTRY (ZUHAI) CO Ltd filed Critical GREATPOWER BATTRY (ZUHAI) CO Ltd
Priority to CN201621057484.4U priority Critical patent/CN206059555U/en
Application granted granted Critical
Publication of CN206059555U publication Critical patent/CN206059555U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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

Landscapes

  • Secondary Cells (AREA)

Abstract

Arc lithium battery fixture, including:First mould and the second mould, second die assembly is on the first mould;First mould has the curved surface for placing battery core, the first limiting section for protruding from the curved surface is provided with a side of curved surface, the second limiting section for protruding from the curved surface is provided with the front and/or rear of curved surface;The first corresponding with first limiting section and the second limiting section respectively stopper slot of position and the second stopper slot are provided with the inwall of second mould, first limiting section and the second limiting section can be respectively accommodated in first stopper slot and the second stopper slot.Arc fixture of the present utility model can ensure that battery core each position uniform force, be unlikely to deform during use, and can prevent in pressurization chemical conversion or partial volume operation because battery core displacement causes to deform or scraps, and is conducive to improving product yield, simplifies processing technology.

Description

Arc lithium battery fixture
Technical field
This utility model belongs to technical field of lithium-ion battery, more particularly, it relates to a kind of lithium ion battery folder Tool.
Background technology
With various sexual development of electronic product shape, in order to adapt to the demand of product, such as Intelligent bracelet, intelligence The equipment of the loop configuration such as wrist-watch, earphone, needs to make the lithium ion battery of special shape.Adapt to the tradition of circular device battery Preparation method is that small-sized rectangular lithium ion battery is carried out connection in series-parallel, but this kind of scheme is difficult to provide enough capacity, Er Qierong Internal resistance lifting is easily caused, while increased cost.
In order to the capacity for solving the problems, such as to bring using the small-sized quadrate lithium battery connection in series-parallel of polylith is little, internal resistance is big, application number Chinese invention patent application for 201410436363.X discloses a kind of arc battery, and which includes curved metal battery case and arc Then arc pole be assembled into arc by package clip by shape battery cover, the battery core hot pressing camber pole group after by winding Battery case, after the operations such as tab welding, buckle closure, periphery weldering, drying, fluid injection, sealing, chemical conversion, completes arc lithium-ion electric The making in pond.The Chinese invention patent application of Application No. 201410483389.X discloses a kind of arc lithium ion battery manufacture Method, is vertically wound to anode pole piece, cathode pole piece and barrier film using arc tape measure, after the completion of winding, soldering polar ear, and system Make arc battery core.Although above-mentioned arc battery is adapted to the shape of equipment, above-mentioned arc lithium ion battery is required to spy Different material makes, and processing technology is complex.
Utility model content
The purpose of this utility model is to provide a kind of arc for simplifying arc cell making process and can improving yields Lithium battery fixture.
To achieve these goals, this utility model takes following technical solution:
Arc lithium battery fixture, including:First mould and the second mould, second die assembly is on the first mould; First mould has the curved surface for placing battery core, is provided with a side of curved surface and protrudes from the first spacing of the curved surface Portion, is provided with the second limiting section for protruding from the curved surface in the front and/or rear of curved surface;On the inwall of second mould The first corresponding with first limiting section and the second limiting section respectively stopper slot of position and the second stopper slot are provided with, it is described First limiting section and the second limiting section can be respectively accommodated in first stopper slot and the second stopper slot.
Further, the inwall of the curved surface and the second mould of first mould has identical curvature.
Further, first mould and the second mould are stainless steel mould.
Further, the curved surface is semi-cylindrical.
Further, first limiting section continuously extends along the direction of the axis of rotation parallel to curved surface.
Further, second limiting section is circumferentially disposed along curved surface.
Further, a side of second mould is provided with location division, the location division and the first of the first mould Limiting section is located at homonymy.
Further, the location division protrudes from the inwall of the second mould, and with the first limiting section with the first mould The fitting surface that outer surface contacts.
Further, first mould and the second mould are curved.
From above technical scheme, this utility model carries out pressurize chemical conversion or partial volume to battery core using arcuate die, by The surface contacted with battery core in mould is curved surface, it is ensured that battery core each position uniform force, is difficult during use Deformation, and it is spacing before and after being carried out to battery core by limiting section and on left and right directions so as to and position is fixed, and prevents in pressurizationization Into or partial volume operation in cause to deform or scrap because of battery core displacement, be conducive to improving product yield, processing technology is simple.
Description of the drawings
In order to be illustrated more clearly that this utility model embodiment, below will be to wanting needed for embodiment or description of the prior art The accompanying drawing for using does simple introduction, it should be apparent that, drawings in the following description are only some embodiments of the present utility model, For those of ordinary skill in the art, on the premise of not paying creative work, can be with according to these accompanying drawings acquisitions Other accompanying drawings.
Structural representations of the Fig. 1 for this utility model embodiment 1;
Structural representation figures of the Fig. 2 for 1 first mould of embodiment;
Structural representations of the Fig. 3 for 1 second mould of embodiment;
Fig. 4 is schematic diagram when battery core is not melted into;
Fig. 5 is structural representation when battery core is placed in 1 fixture of embodiment;
Fig. 6 is the schematic diagram of another angle when battery core is placed in 1 fixture of embodiment;
Fig. 7 is the schematic diagram of the battery core being positioned on 1 second mould of embodiment being melted into;
Schematic diagrams of the Fig. 8 for arc battery core;
Structural representations of the Fig. 9 for this utility model embodiment 2;
Structural representation figures of the Figure 10 for 2 first mould of embodiment;
Structural representations of the Figure 11 for 2 second mould of embodiment;
Schematic diagrams of the Figure 12 for another angle of 2 second mould of embodiment;
Figure 13 is positioned over the schematic diagram on 2 first mould of embodiment for battery core;
Figure 14 is the schematic diagram in 2 fixture of embodiment during placement battery core;
The schematic diagram of another angle Figure 15 is to place battery core in 2 fixture of embodiment when.
Specific embodiment
Embodiment 1
As shown in figure 1, arc lithium battery fixture of the present utility model includes the first mould 1 and the second mould 2, the present embodiment The first mould 1 and the second mould 2 it is curved.Second mould 2 is assemblied on the first mould 1, and battery core is located at 1 He of the first mould Between second mould 2.First mould and the second mould are preferably made using rustless steel, it would however also be possible to employ other metal material systems Into.Battery core is positioned on the first mould.
As shown in Fig. 2 the first mould 1 has the curved surface s for being used to placing battery core, the curved surface s of the present embodiment is substantially in semicircle Cylinder shape.For the ease of description, before and after being defined with the direction of the axis of rotation along curved surface s, with the axis of rotation perpendicular to curved surface s Direction definition left and right.A side (left end) of curved surface s is provided with the first limiting section 1a, the first limiting section 1a outwardly in Curved surface s, the first limiting section 1a of the present embodiment continuously extend along the direction of the axis of rotation parallel to curved surface s, but first spacing Portion 1a can also be single projection, or multiple spaced projections.The rear portion of curved surface s is provided with the second limiting section 1b, the Outwardly in curved surface s and along the circumferentially continuous extensions of curved surface s, the second limiting section can also equally be multiple along bent to two limiting section 1b The circumferentially spaced projections of face s.
The inwall of the second mould 2 is the fitting surface being engaged with the first mould 1, the curved surface s and the second mould of the first mould Inwall there is identical curvature.As shown in figure 3, the first limit for caving inward is provided with the inwall of 2 one side of the second mould Position groove 2a, the position of the first stopper slot 2a and shape it is corresponding with the position of the first limiting section 1a on the first mould 1 and shape. Be additionally provided with second mould, 2 inwall along the second circumferentially disposed stopper slot 2b of the second mould 2, the position of the second stopper slot 2b and Shape is corresponding with the position of the second limiting section 1b and shape.
When the second mould 2 is positioned on the first mould 1, the first limiting section 1a of the first mould 1 is contained in the second mould 2 The first stopper slot 2a in, the second limiting section 1b of the first mould 1 is contained in the second stopper slot 2b of the second mould 2 so that Second module 2 can compress the battery core being positioned on the curved surface s of the first module 1.The effect of first, second limiting section is except can be so as to Outside the first mould, the assembling of the second mould, it is additionally operable to control battery core or so and displacement in front and back.
The use process of 1 fixture of embodiment is illustrated with reference to Fig. 4 to Fig. 8:
As shown in figure 4, cuboid battery core 100 is obtained using lamination process;
Battery core 100 after fluid injection is put to the curved surface s of the first mould 1, the second mould 2 is pressed on the first mould 1, it is right Battery core 100 is pressurizeed;
As shown in Figure 5 and Figure 6, when the second mould 2 is positioned on the first mould 1, the first limiting section 1a of the first mould 1 and Second limiting section 1b correspondences are contained in the first stopper slot 2a and the second stopper slot 2b on the second mould 2, and battery core 100 does not set The end for putting lug is resisted against on the first limiting section 1a of the first mould 1, and the one side of battery core 100 is resisted against the first mould 1 On second limiting section 1b, provide spacing to battery core by first, second limiting section of the first mould 1, in pressurization formation process, Can avoid the occurrence of causing what is deformed or scrap because battery core is shifted;
As shown in Figure 7 and Figure 8, after chemical conversion is finished, first, second mould is separated, battery core 100 is shaped to arc, due to First mould and the second mould are arcuate die, and each position uniform force of battery core can be made in pressure process.
Embodiment 2
As shown in Figure 9 and Figure 10, first mould 1 of the present embodiment is provided with to evagination in a side (left end) of curved surface s For the first limiting section 1a of curved surface s, the first limiting section 1a continuously extends along the direction of the axis of rotation parallel to curved surface s. The front and rear of curved surface s is provided with the second limiting section 1b for protruding from curved surface s, and the second limiting section 1b circumferentially connects along curved surface s Renew and stretch.Battery core is positioned on the curved surface between two the second limiting sections, limits battery core fore-and-aft direction by the second limiting section Displacement.Second limiting section is with bent relation of plane it can be appreciated that the groove to lower recess is arranged on curved surface, groove is interior to be placed Battery core, the two side of groove are the second limiting section for protruding from groove floor, and now groove floor is i.e. equivalent to placement battery core Curved surface.
The inwall of the second mould 2 is the fitting surface being engaged with the first mould 1, the inwall of the second mould and the first mould Curved surface s has identical curvature.As is illustrated by figs. 11 and 12, the side in the second mould 2 is provided with the first limit for caving inward Position groove 2a, be provided with the inwall of the second mould 2 twice along the second circumferentially extending stopper slot 2b of inwall, the first stopper slot, the The shape of two stopper slots and position are corresponding with the shape of first, second limiting section on the first mould and position, the first mould First, second limiting section can be respectively accommodated in first, second stopper slot of the second mould so that the inwall of the second mould can be pressed On the battery core surface being positioned on the first die curve.
As an optimal technical scheme of the present utility model, the side of the second mould 2 is provided with location division 2c, positions Portion 2c and the first limiting section 1a is located at homonymy.Location division 2c protrudes from the inwall of the second mould 2, location division 2c with the first mould The fitting surface 2cs that first limiting section 1a outer surfaces of tool 1 contact, is easy to the assembling of the first mould and the second mould.First The effect of first, second limiting section of mould is additionally operable to control electricity in addition to can be in order to the first mould, the assembling of the second mould Core or so and displacement in front and back.
The use process of this utility model fixture is illustrated with reference to Figure 13 to Figure 15:
As shown in figure 13, the arc battery core 100 obtained after the completion of chemical conversion is put to the curved surface of the first mould 1, arc electricity Core 100 is not provided with the end of lug and is resisted against on the first limiting section 1a of the first mould 1;
As shown in Figure 14 and Figure 15, when the second mould 2 is positioned on the first mould 1, the first limiting section of the first mould 1, Second limiting section is respectively accommodated in first stopper slot and the second stopper slot of the second mould, and the inwall of the second mould 2 is pressed in position In battery core 100 between the second limiting section 1b of the first mould 1, as the inwall and curved surface s of the second mould have identical Curvature, and the shape of arc battery core is adapted to, each position of battery core can uniformly be exerted a force, by the first, second of the first mould 1 Limiting section can also provide spacing to battery core, during partial volume, can avoid causing the feelings for deforming or scrapping because battery core is shifted The generation of condition;
After partial volume is finished, first, second mould is separated, take out battery core, as the first mould and the second mould are Arcuate die, can make each position uniform force of battery core in pressure process.
Using the arc battery core of this utility model fixture molding, the square or column lithium ion battery phase with prior art Than as square or cylindrical battery cannot make full use of reserved storage battery core space, it is difficult to provide enough capacity, and arc Shape battery core so as to the battery core parking space of effectively utilizes equipment, can be solved capacity and be difficult to what is lifted with the shape of adapting appts Problem;Compared with adopting by core being put into the box hat or aluminum hull of special shape obtaining arc battery core, core winding into shell is solved Technique be difficult to and high cost problem, and obtained battery core energy density is suitable with conventional batteries.
Above example only to illustrate the technical solution of the utility model rather than a limitation, although with reference to above-mentioned enforcement Example has been described in detail to this utility model, it should be understood by a person of ordinary skill in the art that still can be to this reality Modified with new specific embodiment or equivalent, and repaiied without departing from any of this utility model spirit and scope Change or equivalent, which all should be covered among right of the present utility model.

Claims (9)

1. arc lithium battery fixture, it is characterised in that include:First mould and the second mould, second die assembly is in On one mould;
First mould has the curved surface for placing battery core, and the first limit for protruding from the curved surface is provided with a side of curved surface Position portion, is provided with the second limiting section for protruding from the curved surface in the front and/or rear of curved surface;
Position respectively corresponding with first limiting section and the second limiting section is provided with the inwall of second mould One stopper slot and the second stopper slot, first limiting section and the second limiting section can be respectively accommodated in first stopper slot and In two stopper slots.
2. arc lithium battery fixture as claimed in claim 1, it is characterised in that:The curved surface and the second mould of first mould Inwall there is identical curvature.
3. arc lithium battery fixture as claimed in claim 1, it is characterised in that:First mould and the second mould are stainless Steel mold.
4. arc lithium battery fixture as claimed in claim 1, it is characterised in that:The curved surface is semi-cylindrical.
5. arc lithium battery fixture as claimed in claim 1, it is characterised in that:First limiting section is along parallel to curved surface The direction of axis of rotation continuously extends.
6. arc lithium battery fixture as claimed in claim 1, it is characterised in that:Second limiting section is circumferentially set along curved surface Put.
7. arc lithium battery fixture as claimed in claim 1, it is characterised in that:One side of second mould is provided with fixed Position portion, the location division are located at homonymy with the first limiting section of the first mould.
8. arc lithium battery fixture as claimed in claim 7, it is characterised in that:The location division protrudes from the interior of the second mould Wall, and the fitting surface contacted with the first limiting section outer surface with the first mould.
9. arc lithium battery fixture as claimed in claim 1, it is characterised in that:First mould and the second mould are in arc Shape.
CN201621057484.4U 2016-09-14 2016-09-14 Arc lithium battery fixture Active CN206059555U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621057484.4U CN206059555U (en) 2016-09-14 2016-09-14 Arc lithium battery fixture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621057484.4U CN206059555U (en) 2016-09-14 2016-09-14 Arc lithium battery fixture

Publications (1)

Publication Number Publication Date
CN206059555U true CN206059555U (en) 2017-03-29

Family

ID=58371340

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621057484.4U Active CN206059555U (en) 2016-09-14 2016-09-14 Arc lithium battery fixture

Country Status (1)

Country Link
CN (1) CN206059555U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109716575A (en) * 2017-07-18 2019-05-03 株式会社Lg化学 Manufacture the method for electrode assembly and the press device for electrode assembly
CN109728336A (en) * 2018-12-28 2019-05-07 广东天劲新能源科技股份有限公司 A kind of arc battery processing device and method using marmem
CN113193237A (en) * 2021-05-31 2021-07-30 惠州市恒泰科技股份有限公司 Arc-shaped lithium battery and shaping process thereof

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109716575A (en) * 2017-07-18 2019-05-03 株式会社Lg化学 Manufacture the method for electrode assembly and the press device for electrode assembly
CN109716575B (en) * 2017-07-18 2022-02-22 株式会社Lg化学 Method of manufacturing electrode assembly and pressing device for electrode assembly
CN109728336A (en) * 2018-12-28 2019-05-07 广东天劲新能源科技股份有限公司 A kind of arc battery processing device and method using marmem
CN109728336B (en) * 2018-12-28 2022-08-26 广东天劲新能源科技股份有限公司 Arc-shaped battery processing device and method using shape memory alloy
CN113193237A (en) * 2021-05-31 2021-07-30 惠州市恒泰科技股份有限公司 Arc-shaped lithium battery and shaping process thereof
CN113193237B (en) * 2021-05-31 2023-01-17 惠州市恒泰科技股份有限公司 Arc-shaped lithium battery and shaping process thereof

Similar Documents

Publication Publication Date Title
CN103779528B (en) A kind of column lithium ion battery assembly technology
CN206059555U (en) Arc lithium battery fixture
CN207038562U (en) Soft-package battery
CN109830638A (en) A kind of high rigidity soft package lithium ion cell polar piece and core preparation method
CN108539113B (en) Flexible package secondary battery tab and flexible package secondary battery thereof
CN109585905A (en) A kind of arc flexible package lithium cell and preparation method thereof
CN101083342A (en) Winding flexible packing lithium ionic cell unit, cell and process for production
CN204167426U (en) Be applicable to the crimping unit of lithium ion battery flanging
CN205177928U (en) Connection structure of soft package lithium -ion battery utmost point ear
CN205248389U (en) Lithium ion battery
CN203826461U (en) End-surface-welded cylindrical lithium battery
CN202905884U (en) Welding-packaged flexibly-packaged lithium ion battery
CN106159119B (en) A kind of flexible packing lithium ion battery and its manufacturing method
CN209822814U (en) Novel notch cuttype lithium ion battery
CN217035743U (en) Cylindrical battery
CN203589161U (en) Convoluted lithium ion battery
CN207705300U (en) A kind of negative plate of column lithium ion battery and its battery pole group of preparation
CN216413140U (en) Electricity core subassembly, battery monomer, battery and power consumption device
CN113782812A (en) Lithium battery with protective shell and assembling method
CN204167427U (en) The lithium-ion electric core body of flanging
CN201845835U (en) Coiled lithium ion power battery cell
CN202758957U (en) Novel high charge-discharge rate battery
CN207530064U (en) A kind of lithium battery electric core with double faced adhesive tape
CN203218392U (en) Lithium-ion battery structure
CN201435430Y (en) Polymer Li-ion battery

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: Doumen Xinqing District Industrial Park Road 519100 Guangdong Xinqing five city of Zhuhai Province

Patentee after: Zhuhai Penghui Energy Co. Ltd.

Address before: Doumen Xinqing District Industrial Park Road 519100 Guangdong Xinqing five city of Zhuhai Province

Patentee before: GreatPower Battry (Zuhai) Co., Ltd.