CN206059555U - Arc lithium battery fixture - Google Patents
Arc lithium battery fixture Download PDFInfo
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- 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
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- mould
- limiting section
- curved surface
- lithium battery
- battery core
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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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
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.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621057484.4U CN206059555U (en) | 2016-09-14 | 2016-09-14 | Arc lithium battery fixture |
Applications Claiming Priority (1)
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CN201621057484.4U CN206059555U (en) | 2016-09-14 | 2016-09-14 | Arc lithium battery fixture |
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CN206059555U true CN206059555U (en) | 2017-03-29 |
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Cited By (3)
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 |
-
2016
- 2016-09-14 CN CN201621057484.4U patent/CN206059555U/en active Active
Cited By (6)
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 |
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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. |