CN106654389B - Shaping device before welding of high-power electrodeless ear lithium ion battery current collector - Google Patents
Shaping device before welding of high-power electrodeless ear lithium ion battery current collector Download PDFInfo
- Publication number
- CN106654389B CN106654389B CN201611244243.5A CN201611244243A CN106654389B CN 106654389 B CN106654389 B CN 106654389B CN 201611244243 A CN201611244243 A CN 201611244243A CN 106654389 B CN106654389 B CN 106654389B
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- China
- Prior art keywords
- shaping
- driving handle
- ion battery
- lithium ion
- lower limiting
- Prior art date
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- 238000007493 shaping process Methods 0.000 title claims abstract description 39
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 37
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 238000003466 welding Methods 0.000 title claims abstract description 25
- 239000000314 lubricant Substances 0.000 claims description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 2
- 150000002500 ions Chemical class 0.000 claims description 2
- 229910052744 lithium Inorganic materials 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000000126 substance Substances 0.000 abstract description 2
- 238000013459 approach Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000004804 winding Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- VHCQVGQULWFQTM-VOTSOKGWSA-N Rubone Chemical compound COC1=CC(OC)=CC(O)=C1C(=O)\C=C\C1=CC(OC)=C(OC)C=C1OC VHCQVGQULWFQTM-VOTSOKGWSA-N 0.000 description 1
- VHCQVGQULWFQTM-UHFFFAOYSA-N Rubone Natural products COC1=CC(OC)=CC(O)=C1C(=O)C=CC1=CC(OC)=C(OC)C=C1OC VHCQVGQULWFQTM-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
Classifications
-
- 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0587—Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
-
- 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
-
- 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
Abstract
The invention relates to a shaping device before welding of a current collector of a high-power electrodeless-ear lithium ion battery. The invention belongs to the technical field of chemical power sources. A shaping device before welding of a high-power electrode-less ear lithium ion battery current collector is characterized in that a cylindrical structure is arranged at the upper end of each shaping block and matched with a corresponding long hole in a driving handle, a cuboid structure is arranged at the lower end of each shaping block and connected with a lower limiting plate, a plurality of long holes are uniformly distributed in the driving handle along the axial direction, and a plurality of cuboid grooves are uniformly distributed in the lower limiting plate along the axial direction; the shaping blocks move under the common limit of the rectangular hole of the driving handle and the rectangular groove of the lower limiting plate, the inner wall of a regular polyhedron formed by the front ends of the shaping blocks approaches to the cylindrical surface, the cylindrical surface with continuous diameter change is realized, the current collector of the battery core and the positive and negative electrodes are effectively pressed together to be led out, and the shaping of the current collector before welding is realized. The invention has the advantages of simple structure, strong operability, high working efficiency, good controllability of production process, wide application range and the like.
Description
Technical field
The invention belongs to technical field of chemical power, more particularly to a kind of high power electrodeless lug lithium ion battery collector
Apparatus for shaping before welding.
Background technique
Currently, well known coiled lithium ion battery manufacturing technology, in electrode coating procedure, positive plate upside and cathode
Lateral edge coiling direction reserves the collector blank of one fixed width under piece, and during electric core winding, positive/negative plate is left white position edge
Then coiling direction soldering polar ear spaced apart again draws the positive and negative anodes of tab welding to battery that battery core upper annular is distributed
Outlet, all there are the following problems for these existing well known collector connection types: the export and introducing of electric current are confined to limited
On solder joint, ducting capacity is poor, and internal resistance is high, current distribution is uneven in charge and discharge process, it is difficult to realize heavy-current discharge;High current is put
When electric, internal resistance is big, causes fever serious, battery temperature is excessively high, and there are security risks;Additionally, due to the introducing of tab, result in
Battery specific energy decline.
The positive/negative plate for being left white tubular in existing technology is welded direct to the structure of the exit of the positive and negative anodes of battery
Design, it is main as shown in figure 9b to rub one plane of Heisei using by the collector end face being left white, then by welding mean with it is positive and negative
The connection of pole exit, the main problem of this structure are that it is along battery core that flat rear and positive and negative anodes exit welding direction is rubbed in end face
Axis direction carries out, and deposits and is easy to a series of problems, such as causing damage to battery core in the welding process.
Summary of the invention
The present invention is to solve technical problem present in well-known technique and provide a kind of high power electrodeless lug lithium ion battery
Apparatus for shaping before collector welds.
The object of the present invention is to provide one kind to have structure simple, and strong operability, work efficiency is high, and production technology is controllable
Property good, applied widely, the features such as realizing shaping before the welding of multiple diameter battery and multiple diameter positive and negative anodes exit
High power electrodeless lug lithium ion battery collector weld before apparatus for shaping.
Present invention firstly provides a kind of electricity that will be left white collector end face and radially weld with positive and negative anodes exit
Pool structure as is shown in fig. 9 c, secondly in order to realize this welding manner, provides a kind of collector apparatus for shaping, before welding will
Tubular positive/negative plate is left white collector and positive and negative anodes exit is efficient is effectively pressed, and does standard for radial welding in next step
It is standby.
Apparatus for shaping is adopted the technical scheme that before high power electrodeless lug lithium ion battery collector of the present invention welds:
A kind of preceding apparatus for shaping of high power electrodeless lug lithium ion battery collector welding, its main feature is that: high power electrodeless ear
Apparatus for shaping includes dressing stick, driving handle, briquetting, lower limiting board and firm banking before affluxion body in lithium ion batteries welds;Often
A dressing stick upper end have is corresponded on a cylindrical structure and driving handle strip hole cooperation, dressing stick lower end have a rectangular parallelepiped structure with
Lower limiting board connection, driving handle are uniformly distributed several strip holes along axial direction, and lower limiting board is uniformly distributed several rectangular along axial direction
Body slot;Dressing stick moves under the common limit of the strip hole of driving handle and the cuboid slot of lower limiting board, several dressing sticks
The regular polygon inner wall that is formed of front end, level off to cylindrical surface, realize the cylindrical surface of continuous diameter change, by battery core collector with
Collector shaping before welding is realized in effective pressing of positive and negative anodes exit;Firm banking realizes that driving handle drives equipped with briquetting
Dressing stick moves steady.
Apparatus for shaping can also use following technical side before high power electrodeless lug lithium ion battery collector of the present invention welds
Case:
Apparatus for shaping before the high power electrodeless lug lithium ion battery collector welds, its main feature is that: briquetting passes through spiral shell
Nail is fixed on the fixed base, and lower limiting board is fixed by screws on firm banking.
Apparatus for shaping before the high power electrodeless lug lithium ion battery collector welds, its main feature is that: briquetting and driving
The contact surface of handle is added with lubricant, and the contact surface between dressing stick and driving handle and lower limiting board is added with lubricant.
The advantages and positive effects of the present invention are:
Apparatus for shaping is due to using the completely new technology of the present invention before high power electrodeless lug lithium ion battery collector welds
Scheme, compared with prior art, the invention has the following advantages that
1, the present invention is realization collector directly with shaping before the welding of battery plus-negative plate exit, provides operability
By force, high-efficient, the controllable solution route of production technology.
2, strong applicability of the present invention, realize multiple diameter battery with it is whole before the welding of multiple diameter positive and negative anodes exit
Shape.
Detailed description of the invention
Fig. 1 is apparatus for shaping structural schematic diagram before high power electrodeless lug lithium ion battery collector of the present invention welds;
Fig. 2 is the A-A schematic cross-sectional view of Fig. 1;
Fig. 3 is the structural schematic diagram of Fig. 1 lower limit position plate;
Fig. 4 and Fig. 5 is the structural schematic diagram of dressing stick in Fig. 1;
Fig. 6 is the structural schematic diagram of driving handle in Fig. 1;
Fig. 7 is after high power electrodeless lug lithium ion battery collector apparatus for shaping hides power down core and pole, to be formed
Maximum gauge status diagram;
Fig. 8 is after high power electrodeless lug lithium ion battery collector apparatus for shaping hides power down core and pole, to be formed
Minimum diameter status diagram;
Fig. 9 a is electrodeless ear winding schematic diagram of cell structure;
Fig. 9 b is electrodeless ear winding battery core axial direction welding structure schematic diagram;
Fig. 9 c is electrodeless ear winding battery core radial direction welding structure schematic diagram.
Wherein, 1- lithium ion battery cell, 2- lithium ion battery exit, 3- dressing stick, 4- lower limiting board, 5- briquetting,
6- driving handle, 7- firm banking.
Specific embodiment
In order to further understand the content, features and effects of the present invention, the following examples are hereby given, and cooperate attached drawing
Detailed description are as follows:
Refering to attached drawing 1 to Fig. 8.
Embodiment 1
A kind of high power electrodeless lug lithium ion battery collector apparatus for shaping, including dressing stick, driving handle, briquetting and under
Limit plate and firm banking;Several each dressing stick upper ends of dressing stick, which have, to be corresponded to strip hole on a cylindrical structure and driving handle and matches
It closes, dressing stick lower end has a rectangular parallelepiped structure to connect with lower limiting board, and driving handle is uniformly distributed several strip holes along axial direction, under
Limit plate is uniformly distributed several cuboid slots along axial direction, and when the both ends nigger for driving the driving handle, dressing stick is described
The lower movement of the common limit of the cuboid slot of the strip hole and lower limiting board of driving handle, the front end of several dressing sticks is formed just
Polyhedron inner wall, levels off to cylindrical surface, and the cylindrical surface of continuous diameter change may be implemented, and realizes the battery core afflux of different-diameter
The positive and negative anodes exit of body and different-diameter efficiently effectively presses, and realizes collector shaping before welding.Briquetting is to realize
The driving handle drives the steady of the dressing stick movement.Briquetting is fixed by screws on the firm banking, under described
Limit plate is fixed by screws on the firm banking, and the contact surface of the briquetting and the driving handle needs to lubricate, institute
The contact surface between dressing stick and the driving handle and the lower limiting board is stated to be required to lubricate.
The present embodiment specific structure and implementation process:
High power electrodeless lug lithium ion battery collector apparatus for shaping structural schematic diagram, the apparatus for shaping in figure includes portion
Part: 1- lithium ion battery cell, 2- lithium ion battery exit, 3- dressing stick, 4- lower limiting board, 5- briquetting, 6- driving handle,
7- firm banking etc., the core component of above-mentioned apparatus for shaping are dressing stick 3, lower limiting board 4 and driving handle 6.
Wherein: each dressing stick upper end of dressing stick 3, which has, corresponds to strip hole cooperation on a cylindrical structure and driving handle 6, whole
3 lower end of shape block has a rectangular parallelepiped structure to connect with the lower limiting board 4, and driving handle 6 is uniformly distributed several strip holes along axial direction,
Lower limiting board 4 is along axial uniformly several cuboid slots, and when the both ends nigger of driving driving handle 6, dressing stick 3 is in driving handle
Strip hole and the lower limiting board 4 cuboid slot the lower movement of common limit, the front end of several dressing sticks 3 forms just more
Wall in the body of face, levels off to cylindrical surface, and the cylindrical surface of continuous diameter change may be implemented, and realizes the battery core collector of different-diameter
It is efficiently effectively pressed with the positive and negative anodes exit of different-diameter, realizes collector shaping before welding.Briquetting 5 is to realize and drive
Fixed handle drives the steady of the dressing stick movement.Briquetting 5 is fixed by screws on the firm banking 7, and lower limiting board 4 is logical
Cross screw fixed on the fixed base 7, the contact surface of the briquetting and driving handle needs to lubricate, dressing stick and the drive
Contact surface between fixed handle and the lower limiting board is required to lubricate.
In the specific implementation, as depicted in figs. 1 and 2, lithium ion battery exit 2 is fixed on lower limiting board 4, lithium ion
Battery battery core 1 is placed in the regular dodecahedron center of 12 dressing sticks 3 formation, adjusts the height of lithium ion battery cell 1, makes lithium
The collector upper surface that is left white of ion battery battery core 1 is flushed with 3 upper surface of dressing stick, drives the both ends of the driving handle 6 long
Handle drives 12 dressing sticks 3 along the fluting spaced motion in 6 structure of lower limiting board 4 and driving handle, radially
The even tubular to lithium ion battery cell 1 be left white collector squeeze until lithium ion battery cell 1 tubular be left white collector with
The compacting of 2 outer diameter of lithium ion battery exit realizes that the tubular of lithium ion battery cell 1 is left white collector and lithium ion battery is drawn
Shaping before 2 welding of end.As shown in fig. 7, can be designed to that the maximum gauge that 12 dressing sticks 3 can be formed is the lithium-ion electric
The tubular of pond battery core 1 is left white collector outer diameter size, as shown in figure 8, the minimum that can be designed to that 12 dressing sticks 3 can be formed is straight
Diameter is the outer diameter size of lithium ion battery exit 2.
The present embodiment has the structure simple, and strong operability, work efficiency is high, and production technology controllability is good, fits
It is wide with range, realize the good effects such as multiple diameter battery and shaping before the welding of multiple diameter positive and negative anodes exit.
Claims (3)
- Apparatus for shaping before 1. a kind of high power electrodeless lug lithium ion battery collector welds, it is characterized in that: high power electrodeless ear lithium Apparatus for shaping includes dressing stick, driving handle, briquetting, lower limiting board and firm banking before ion battery collector welds;Each Dressing stick upper end, which has, corresponds to strip hole cooperation on a cylindrical structure and driving handle, dressing stick lower end has a rectangular parallelepiped structure under Limit plate connection, driving handle are uniformly distributed several strip holes along axial direction, and lower limiting board is uniformly distributed several cuboids along axial direction Slot;Dressing stick moves under the common limit of the strip hole of driving handle and the cuboid slot of lower limiting board, several dressing sticks The regular polygon inner wall that front end is formed, levels off to cylindrical surface, realize cylindrical surface diameter consecutive variations and battery core collector with Collector shaping before welding is realized in effective pressing of positive and negative anodes exit;Firm banking realizes that driving handle drives equipped with briquetting Dressing stick moves steady.
- Apparatus for shaping before 2. high power electrodeless lug lithium ion battery collector according to claim 1 welds, it is characterized in that: Briquetting is fixed by screws on firm banking, and lower limiting board is fixed by screws on firm banking.
- Apparatus for shaping before 3. high power electrodeless lug lithium ion battery collector according to claim 1 or 2 welds, feature Be: the contact surface of briquetting and driving handle added with lubricant, contact surface between dressing stick and driving handle and lower limiting board added with Lubricant.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201611244243.5A CN106654389B (en) | 2016-12-29 | 2016-12-29 | Shaping device before welding of high-power electrodeless ear lithium ion battery current collector |
Applications Claiming Priority (1)
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CN201611244243.5A CN106654389B (en) | 2016-12-29 | 2016-12-29 | Shaping device before welding of high-power electrodeless ear lithium ion battery current collector |
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CN106654389A CN106654389A (en) | 2017-05-10 |
CN106654389B true CN106654389B (en) | 2019-01-29 |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102820450A (en) * | 2012-07-24 | 2012-12-12 | 浙江海悦自动化机械设备有限公司 | Reshaping apparatus for terminal posts of storage battery |
JP2013134979A (en) * | 2011-12-27 | 2013-07-08 | Toyota Industries Corp | Manufacturing device of electrode, power storage device, vehicle, manufacturing method of electrode |
CN104868174A (en) * | 2015-01-30 | 2015-08-26 | 中天储能科技有限公司 | Winding type high-diameter-to-length-ratio electrochemical energy-storage conversion device |
-
2016
- 2016-12-29 CN CN201611244243.5A patent/CN106654389B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013134979A (en) * | 2011-12-27 | 2013-07-08 | Toyota Industries Corp | Manufacturing device of electrode, power storage device, vehicle, manufacturing method of electrode |
CN102820450A (en) * | 2012-07-24 | 2012-12-12 | 浙江海悦自动化机械设备有限公司 | Reshaping apparatus for terminal posts of storage battery |
CN104868174A (en) * | 2015-01-30 | 2015-08-26 | 中天储能科技有限公司 | Winding type high-diameter-to-length-ratio electrochemical energy-storage conversion device |
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