CN106374134A - Arc-shaped bending battery and manufacturing method and manufacturing die thereof - Google Patents
Arc-shaped bending battery and manufacturing method and manufacturing die thereof Download PDFInfo
- Publication number
- CN106374134A CN106374134A CN201611049623.3A CN201611049623A CN106374134A CN 106374134 A CN106374134 A CN 106374134A CN 201611049623 A CN201611049623 A CN 201611049623A CN 106374134 A CN106374134 A CN 106374134A
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- Prior art keywords
- battery
- arc
- mould
- shaped bend
- radius
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0404—Machines for assembling batteries
-
- 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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention relates to an arc-shaped bending battery and a manufacturing method and a manufacturing die thereof. The manufacturing method comprises the following steps of arranging a deformable lower die matching with a rotary curved upper die, arranging a to-be-processed battery between the upper die and the lower die, rotating the upper die to roll the battery in a reciprocating way, gradually increasing the pressure between the upper die and the lower die in the rolling process, rolling for multiple times by stages, and gradually increasing the bending degree until the battery is rolled into the required arc, so as to manufacture the arc-shaped bending battery with certain curvature radius or a spiral battery with gradually changed curvature radius. The manufacturing method has the advantages that the upper die and the lower die are arranged, and are rotated to roll, and the staged gradual pressure increasing type is adopted in the rolling process, so that the surface of the battery after bending is smooth without wrinkles; the different pressure and rolling frequency are controlled in the different periods of the battery, and the multiple types of bending battery structures are formed, such as the spiral battery.
Description
Technical field
The present invention relates to battery production manufacture field is and in particular to and a kind of arc-shaped bend battery and preparation method thereof and system
Make mould.
Background technology
With the development of electronic technology, product increasingly tends to miniaturization, structure diversification, so also requires that matched
Battery there is corresponding structure and size, for example, need to have accordingly the bending battery of radian in Intelligent bracelet to join
Close.With regard to bending battery, the patent of publication number 103401024a, disclose a kind of bending battery and manufacture method, with electricity in literary composition
Pond is shaped as main protection, and simply referring to into arc method is to be rolled using the processing unit (plant) with cambered surface or be molded, but simultaneously
Which type of cambered surface device does not illustrate is, how to be rolled, how to be molded, in particular how solves its arc voltage
During battery radian larger when the wrinkling problem of battery surface, completely without reference to.
The patent of Publication No. 103441306a discloses a kind of arc of the making that liquidates up and down for two concavo-convex modules
Battery and preparation method thereof, this battery production method, for the battery that radian is larger, easily lead to battery wrinkling, easily broken
Bad battery, and limited by its construction features, it cannot make the battery that radian is more than more than 180 degree (more than semicircle).
Cn201420575174 discloses a kind of arc battery and manufacture method, and its arc shaping upper adopts rigidity arc
Mould, lower mould is vertically extruded using block elastomeric material；The mode of this one direction punching press makes bending battery pair
Still can complete to bend in the less battery of radian, compare and be die hard up and down and slightly improve, but larger for radian
Battery, the such as battery of 180 degree bending, still cannot solve the problems, such as wrinkling, similarly cannot make curved more than 180 degree simultaneously
Bent battery.
Content of the invention
The invention provides a kind of method of the bending battery that can process any radian, to solve arc in prior art
Easily wrinkling problem in battery BENDING PROCESS.
Technical scheme is as follows:
A kind of arc-shaped bend battery production method, described arc includes that radius of curvature is identical and the arc of radius of curvature change, adopts
With mould on rotatable curved surface, cooperation can mould under deformation, battery to be processed is placed between upper and lower mould, upper mould rotates back and forth
Rolled cell, is gradually increased the pressure between upper and lower mould in rolling process, lower mould bends with pressure deformation cooperation battery, finally
Battery is rolled into required radian.
Preferably, in described rolling process, mode is repeatedly rolled using classification, incrementally increasing degree of crook, to realize battery curved
Bent.
Preferably, pass through in rolling process to apply different pressure in battery diverse location, form radius of curvature different
Bending battery, or form the bending electricity of continuous curvature radius change by adding continually varying pressure cooperation rolling times
Pond.
Preferably, battery to be processed during rolling motion relatively up and down the friction of mould surface contact point or contact surface be
Static friction；Or in rolling process, upper mould carrys out back rotation rolling on battery to be processed, lower mould and upper mould with same linear velocity with
With motion.
Specifically, the battery that described battery to be processed includes plane battery and had certain radian.
The present invention claims the roll die for making arc-shaped bend battery simultaneously, described mould include mould and under
Mould, described upper mould is the smooth surface of round or annular and the smooth column-shape curved surface of non-closed for section.
Preferably, described upper mould radius of curvature can adjust to meet in battery forming process differently curved degree to upper mould
Size requirements.It is furthermore preferred that described upper mould surface radius of curvature is less than or equal to the song after the final processing of battery surface to be processed
Rate radius.
Plane, column type or concave, convex shape that described lower mould includes to vacillate now to the left, now to the right or rotating can deformation moulds.
Or, described lower mould includes producing banding, ring-type, block object and the elastic device of deformation by external force；
The non-yielding devices moving left and right that wherein under banding, the deformation degree of mould is passed through to be fixed control.
Again or, described lower mould include rigidity can shape-changing material and elasticity tension device, under external force, elasticity tension
Device deformation makes rigidly can shape-changing material progressively deformation.
The claimed battery being obtained by said method and mould of the present invention, this battery includes battery body, described electricity
Pond body is the arc-shaped bend battery with certain curvature radius.
Further, described battery body radius of curvature gradually changes formation spiral.
Compared with prior art, the method have the advantages that the present invention passes through special upper and lower mould, by upper and lower
Mould revolving-rolling, and in rolling process, classification is stepped up pressure so that each time in rolling process, battery only produces small
Deformation, so that the dynamics of every bit bending and degree of crook change uniformity during battery bending, is effectively ensured battery curved
During song, smooth surface is wrinkle resistant；In addition, by the control of different pressures and the control of rolling times are carried out to battery difference section
System, can control the radian of battery diverse location, thus realizing the flexural property of the different curvature radius of same battery, formed many
The battery structure of sample, such as spiral type battery.
Brief description
Fig. 1 is a kind of flow chart of the constructive embodiment realization rolling of mould in the method for the invention；
Fig. 2 is the flow chart of the constructive embodiment two realization rolling of mould in the method for the invention；
Fig. 3 is the flow chart of the constructive embodiment three realization rolling of mould in the method for the invention；
Fig. 4 is upper die structure embodiment two schematic diagram of the present invention；
Fig. 5 is upper die structure embodiment three schematic diagram of the present invention；
Fig. 6 is upper die structure example IV schematic diagram of the present invention；
Fig. 7 is the battery structure embodiment one being obtained using the method for the invention；
Fig. 8 is the battery structure embodiment two being obtained using the method for the invention；
Fig. 9 is mould structure example IV working state schematic representation in the method for the invention.
Specific embodiment
For ease of skilled artisan understands that the present invention, below in conjunction with specific embodiments and the drawings the present invention is made into
One step describes in detail.
Arc-shaped bend battery production method of the present invention is using special mode structure up and down, coordinates rotation by upper and lower mould
Tumbler pressure is curved to battery, and its purport is embodied in rolling process and battery to be processed is carried out being stepped up rolling pressure
Mode, so that battery is gradually deformed.And mode is repeatedly rolled using classification, each time in rolling process, battery only produces small
Deformation, make battery positive camber be less than or equal to 10 degree with plane included angle, as shown in Figure 1 after such as can setting each rolling.Thus
Make the dynamics and degree of crook change uniformity of every bit bending during battery bending it is ensured that after battery bending smooth surface is not
Wrinkling.In addition, by carrying out the control of different pressures and the control of rolling times to battery difference section, battery can be controlled different
The radian of position, thus realizing the flexural property of the different curvature radius of same battery, forms various battery structure, such as spiral shell
Rotation shape battery.
Mould of the present invention includes upper die and lower die.Upper die structure as shown in drawings, gives on cylindric in Fig. 1
Mould 10, its cross section is circle, mould 20 under cooperation plane, and under plane, mould includes the support meanss 22 of bottom and is located at support
The elastomeric material 21 of device upper surface, the two cooperation, during rolling, only go up mould and roll, and lower mould is motionless relative to battery.Upper mould rolling
Exert a force downwards during pressure, elastomeric material 21 stress and deformation adapts to battery deformation, progressively battery is carried out with rolling bending.In figure arrow table
Show the direction of motion of mould, upper mould is rotatable, can translate left and right, can move up and down and press downwards.In Fig. 5, upper mould is section
Have circular cylinder face jaggy, its fit system with lower mould and and motion mode with the embodiment 1 shown in Fig. 1, in certain
Angle rotary oscillation is rolled.In Fig. 6, upper mould includes section and has ring-type cylinder 11 jaggy and frustum formpiston 12, leads to
Cross and frustum formpiston 12 is filled in upper mould cylinder 11 internal ring, change cylinder 11 curvature, be suitable for the battery rolling of different curvature radius
Pressure.In Fig. 7, upper mould adopts section to have ring-type cylinder 11 ' jaggy, coordinates the die sleeve 12 ' that opening becomes larger, during use,
Die sleeve 12 ' is socketed in upper mould cylinder 11 ' indentation, there it is also possible to realize changing cylindrical curvature, adapts to the electricity of different curvature radius
Pond rolls.
Fig. 2 is the flow chart of the constructive embodiment two realization rolling of mould in the method for the invention.In figure gives circle
Mould in column, its cross section is circle, coordinates cylindric lower mould, and lower mould outer surface arranges elastomeric material, the two cooperation, rolling
When, upper die and lower die all can roll, and when upper mould rolls, lower mould is moved with its collinear speed follower, progressively battery is rolled
Bending.In figure arrow represents the direction of motion of mould, and upper mould is rotatable, can move up and down and press downwards, but does not need left and right
Motion.
Fig. 3 is the flow chart of the constructive embodiment three realization rolling of mould in the method for the invention.In figure gives circle
Mould in column, its cross section is circle, and lower mould can also include two variable support columns of relative distance and and be connected to two
The strap-like objects of the rigid flexible deformation on dagger；During upper mould revolving-rolling, two support columns move closer to make rigidity
Flexible strap-like objects bending adapts to rolling.Upper mould rolls when pushing, and two support columns progressively inwardly bend near adaptation battery,
The ribbon cognition of the rigid flexible deformation of lower mould accordingly deforms upon with battery to be processed, progressively battery is rolled
Bending.In figure arrow represents the direction of motion of mould, and upper mould is rotatable, can side-to-side movement, can move up and down and press downwards.
As shown in figure 4, similar with embodiment three, adopt cylindric upper mould in this embodiment, its cross section is circle.Under
Mould includes two flexible elastically-deformable support columns and and is connected to the rigid flexible deformation on two elastomeric support column
Strap-like objects；During upper mould revolving-rolling, so as to form elasticity tension, elasticity tension is applied for two support columns inside deformation bending
It is added in strap-like objects, increasing tension force with elastomeric support column degree of crook increases, and the tension force of strap-like objects is consequently increased, with
When rigid flexible strap-like objects bend by pressure adapt to rolling.
By the method for the invention, the bending battery of any radian can be obtained, such as close to the battery of 360 degree of bendings,
As shown in Figure 8；And may also be fabricated which the spiral battery that radius of curvature gradually changes, as shown in Figure 9.The present invention claimed this
The structure of two kinds of batteries.
Description of the invention is carried out with reference to embodiments above, but, those of ordinary skill in the art can
Many small obvious replacements, modifications and variations are carried out according to above-mentioned content, these all should belong to the present invention and be wanted
Ask in the range of protection.
Claims (15)
1. a kind of battery, including battery body it is characterised in that: described battery body is the curved bend with certain curvature radius
Bent battery.
2. battery according to claim 1 it is characterised in that: described battery body radius of curvature gradually changes formation spiral shell
Rotation.
3. a kind of arc-shaped bend battery production method, described arc includes that radius of curvature is identical and the arc of radius of curvature change,
It is characterized in that, using mould on rotatable curved surface, cooperation can mould under deformation, by battery to be processed be placed in upper and lower mould it
Between, upper mould rotation rolled cell back and forth, it is gradually increased the pressure between upper and lower mould in rolling process, lower mould is joined with pressure deformation
Close battery bending, battery is rolled into required radian the most at last.
4. arc-shaped bend battery production method according to claim 3 divides it is characterised in that adopting in described rolling process
Level repeatedly rolls mode, incrementally increases degree of crook and realizes battery bending.
5. arc-shaped bend battery production method according to claim 3 is it is characterised in that pass through in battery in rolling process
Diverse location applies different pressure, forms the different bending battery of radius of curvature, or by adding continually varying pressure
Cooperation rolling times form the bending battery of continuous curvature radius change.
6. arc-shaped bend battery production method according to claim 5 is it is characterised in that battery to be processed is in rolling motion
During relatively up and down the friction of mould surface contact point or contact surface be static friction.
7. arc-shaped bend battery production method according to claim 5 is it is characterised in that in rolling process, upper mould is being treated
Back rotation rolling is come on the battery of processing, lower mould and upper mould are moved with collinear speed follower.
8. arc-shaped bend battery production method according to claim 3 is it is characterised in that described battery to be processed includes
Plane battery and the battery with certain radian.
9. a kind of roll die for making arc-shaped bend battery, including upper mould and lower mould it is characterised in that described upper mould is
Section is the smooth surface of round or annular and the smooth column-shape curved surface of non-closed.
10. the roll die for making arc-shaped bend battery according to claim 9 is it is characterised in that described upper mould
Radius of curvature can adjust to meet the size requirements to upper mould for the differently curved degree in battery forming process.
11. roll dies for making arc-shaped bend battery according to claim 9 are it is characterised in that described upper mould
Surface curvature radius is less than or equal to the radius of curvature after the final processing of battery surface to be processed.
12. the roll die for making arc-shaped bend battery according to claim 9 is it is characterised in that described lower mould
Can deformation mould including the plane that can vacillate now to the left, now to the right or rotate, column type or concave, convex shape.
13. roll dies for making arc-shaped bend battery according to claim 9 are it is characterised in that described lower mould
Including banding, ring-type, block object and the elastic device that can produce deformation by external force.
14. roll dies for making arc-shaped bend battery according to claim 10 are it is characterised in that wherein banding
The non-yielding devices moving left and right that the deformation degree of lower mould is passed through to be fixed control.
15. roll dies for making arc-shaped bend battery according to claim 9 are it is characterised in that described lower mould
Including rigidity can shape-changing material and elasticity tension device, under external force, elasticity tension device deformation make rigidity can deformation material
Material progressively deformation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611049623.3A CN106374134B (en) | 2016-11-25 | 2016-11-25 | A kind of arc-shaped bend battery and preparation method thereof, production mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611049623.3A CN106374134B (en) | 2016-11-25 | 2016-11-25 | A kind of arc-shaped bend battery and preparation method thereof, production mold |
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| CN106374134A true CN106374134A (en) | 2017-02-01 |
| CN106374134B CN106374134B (en) | 2019-05-17 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107221700A (en) * | 2017-07-07 | 2017-09-29 | 安普瑞斯（无锡）有限公司 | A kind of arc lithium rechargeable battery and its manufacture method |
| 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 |
| CN113488727A (en) * | 2021-06-23 | 2021-10-08 | 湖南立方新能源科技有限责任公司 | Arc-shaped battery processing method and device and arc-shaped battery |
| CN116748363A (en) * | 2023-08-16 | 2023-09-15 | 常州震裕汽车部件有限公司 | Power battery case aluminum plate presses arc mould |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107221700A (en) * | 2017-07-07 | 2017-09-29 | 安普瑞斯（无锡）有限公司 | A kind of arc lithium rechargeable battery and its manufacture method |
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| CN113488727A (en) * | 2021-06-23 | 2021-10-08 | 湖南立方新能源科技有限责任公司 | Arc-shaped battery processing method and device and arc-shaped battery |
| CN113488727B (en) * | 2021-06-23 | 2023-03-28 | 湖南立方新能源科技有限责任公司 | Arc-shaped battery processing method and device and arc-shaped battery |
| CN116748363A (en) * | 2023-08-16 | 2023-09-15 | 常州震裕汽车部件有限公司 | Power battery case aluminum plate presses arc mould |
| CN116748363B (en) * | 2023-08-16 | 2023-10-17 | 常州震裕汽车部件有限公司 | Power battery case aluminum plate presses arc mould |
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