CN109065967A - Electric core winding diaphragm code device and cylindrical lithium battery film-making winding integrated machine - Google Patents
Electric core winding diaphragm code device and cylindrical lithium battery film-making winding integrated machine Download PDFInfo
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- CN109065967A CN109065967A CN201810780641.1A CN201810780641A CN109065967A CN 109065967 A CN109065967 A CN 109065967A CN 201810780641 A CN201810780641 A CN 201810780641A CN 109065967 A CN109065967 A CN 109065967A
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- 238000004804 winding Methods 0.000 title claims abstract description 58
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 21
- 238000012544 monitoring process Methods 0.000 claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 238000003825 pressing Methods 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims 3
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 description 7
- 239000012528 membrane Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 210000001367 artery Anatomy 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 210000003462 vein Anatomy 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
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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)
- Winding Of Webs (AREA)
Abstract
本发明提供了一种电芯卷绕隔膜编码器机构及圆柱锂电池制片卷绕一体机，涉及锂电池生产的技术领域，包括压辊座、输送辊、隔膜压辊、压辊调节组件和监测组件；输送辊转动安装于压辊座；隔膜压辊转动安装于压辊调节组件上，且与输送辊平行设置，二者配合用于输送隔膜；压辊调节组件安装于压辊座上，用于调节隔膜压辊与输送辊之间的距离；监测组件安装于压辊座上且与输送辊传动连接，用于采集隔膜的走带信息。本发明的目的在于提供一种电芯卷绕隔膜编码器机构及圆柱锂电池制片卷绕一体机，机构紧凑、机构简单易装配，可以节省空间降低机构制造成本，提升综合效益，能够实现可以实现监测组件实时监控和反馈信息达到控制隔膜走带速度和走带量。
The invention provides a cell winding diaphragm encoder mechanism and a cylindrical lithium battery film making and winding integrated machine, which relate to the technical field of lithium battery production, including a pressing roller seat, a conveying roller, a diaphragm pressing roller, a pressing roller adjustment assembly and Monitoring component; the conveying roller is rotatably installed on the pressure roller seat; the diaphragm pressure roller is rotatably installed on the pressure roller adjustment assembly, and is arranged in parallel with the conveying roller, and the two cooperate to convey the diaphragm; the pressure roller adjustment assembly is installed on the pressure roller seat, It is used to adjust the distance between the diaphragm pressing roller and the conveying roller; the monitoring component is installed on the pressing roller seat and is connected with the conveying roller, and is used to collect the information of the diaphragm. The purpose of the present invention is to provide a cell winding diaphragm encoder mechanism and a cylindrical lithium battery film making and winding integrated machine. Realize the real-time monitoring and feedback information of the monitoring components to control the speed and volume of the diaphragm.
Description
Technical field
The present invention relates to lithium battery production technical fields, more particularly, to a kind of electric core winding diaphragm code device and circle
Post lithium battery film-making winding integrated machine.
Background technique
It is current commercialization secondary cell state-of-the-art in the world that lithium ion battery, which is recognized, with various electronic products
Development increases situation rapidly to the demand presentation of lithium ion battery, mentions to the performance and production efficiency of lithium battery production equipment
Higher requirement is gone out.Existing battery winder is generally divided into manual, semi-automatic and sutomatic winding machine three classes.Manual coiling machine
Low efficiency, the electrode of placement or the battery core precision and quality of winding are all unstable.Semi-automatic and sutomatic winding machine is generally by battery
Winding is divided into electric core winding process, diaphragm cuts process and rubberizing process.
The electric core winding of lithium battery is usually to be completed using semi-automatic or Full-automatic lithium battery battery battery core up- coiler at present.?
During the electric core winding of entire lithium battery, deficiency is to send diaphragm by Full-automatic lithium battery battery battery core up- coiler that there is only errors
Greatly, and at high cost, price is unfavorable for fully-automatic equipment and is in the industry cycle widely used to promote.
The information disclosed in the background technology section is intended only to deepen understanding of the general background technology to the present invention, and
It is not construed as recognizing or implying in any form that the information constitutes the prior art known to those skilled in the art.
Summary of the invention
The purpose of the present invention is to provide a kind of electric core winding diaphragm code device and cylindrical lithium battery film-making windings one
Body machine, mechanism is compact, mechanism is simply easily assembled, and can save space reduction mechanism manufacturing cost, promotes comprehensive benefit, Neng Goushi
Monitoring assembly real time monitoring now may be implemented and feedback information reaches control diaphragm tape running speed and walks ribbon amount.
To achieve the above object, the present invention the following technical schemes are provided:
In a first aspect, the present invention provides a kind of electric core winding diaphragm code device, comprising: roller seat, conveying roller, diaphragm
Pressure roller, pressure roller adjust component and monitoring assembly；
The conveying roller rotational installation is in the roller seat；
The diaphragm pressure roller rotational installation is adjusted on component in the pressure roller, and is arranged in parallel with the conveying roller, the two
Cooperation is for conveying diaphragm；
The pressure roller adjusts component and is installed on the roller seat, for adjust the diaphragm pressure roller and the conveying roller it
Between distance；
The monitoring assembly is installed on the roller seat and is sequentially connected with the conveying roller, for acquiring the diaphragm
Walk information.
Further, the monitoring assembly includes encoder, and the encoder is installed on the roller seat by mounting plate
On, for acquiring the tape running speed of the diaphragm and walking ribbon amount.
Further, it includes pressing roller holder and actuator that the pressure roller, which adjusts component,；
The actuator is installed on the roller seat and is sequentially connected with the pressing roller holder, for driving the pressure roller
Bracket drives the diaphragm pressure roller close or far from the conveying roller.
Further, the actuator includes at least one of cylinder, hydraulic cylinder or electric pushrod.
Further, it further includes at least one guide part that the pressure roller, which adjusts component, the roller seat be equipped with it is described
The corresponding guide groove of guide part.
Further, the guide part is two, and two guide parts are separately positioned on the actuator two sides.
Further, the guide part includes traveller and positioning protrusion, and the guide part passes through the positioning protrusion and institute
State the locating slot cooperation on guide groove.
Further, the roller seat is equipped with cushion towards the pressing roller holder side.
Further, the guide part passes through the cushion.
Second aspect, the present invention also provides a kind of cylindrical lithium battery film-making winding integrated machines, including in first aspect it is any
Electric core winding diaphragm code device described in.
Electric core winding diaphragm code device and cylindrical lithium battery film-making winding integrated machine provided by the invention has following
The utility model has the advantages that
First aspect present invention provides a kind of electric core winding diaphragm code device, comprising: roller seat, conveying roller, diaphragm
Pressure roller, pressure roller adjust component and monitoring assembly；Conveying roller is rotatablely installed in roller seat；The rotational installation of diaphragm pressure roller is adjusted in pressure roller
It on component, and is arranged in parallel with conveying roller, the two cooperates for conveying diaphragm；Pressure roller adjusts component and is installed on roller seat, uses
In adjusting the distance between diaphragm pressure roller and conveying roller；Monitoring assembly is installed on roller seat and is sequentially connected with conveying roller, uses
Information is walked in acquisition diaphragm.
The electric core winding diaphragm code device provided using first aspect present invention, electric core membrane is from conveying roller and diaphragm
Tape transport between pressure roller, electric core membrane tape transport drive conveying roller, and conveying roller drives monitoring assembly, and monitoring assembly real time monitoring diaphragm is walked
Information simultaneously feeds back to system program, to achieve the purpose that accurately to control diaphragm tape running speed and walk ribbon amount.
First aspect present invention provides a kind of electric core winding diaphragm code device, and mechanism is compact, mechanism is simply easily assembled,
Can save space reduction mechanism manufacturing cost, promote comprehensive benefit, can be realized may be implemented monitoring assembly real time monitoring and
Feedback information reaches control diaphragm tape running speed and walks ribbon amount, reduces the error of conveying diaphragm.
The cylindrical lithium battery film-making winding integrated machine that second aspect of the present invention provides is provided with first aspect present invention offer
Electric core winding diaphragm code device, thus with first aspect present invention provide electric core winding diaphragm code device institute
All beneficial effects having.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention are in specification, claims
And specifically noted structure is achieved and obtained in attached drawing.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of electric core winding diaphragm code device provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of guide part in electric core winding diaphragm code device provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of guide groove in electric core winding diaphragm code device provided in an embodiment of the present invention.
Icon: 100- roller seat；200- conveying roller；300- diaphragm pressure roller；400- pressure roller adjusts component；500- monitoring group
Part；600- cushion；410- pressing roller holder；420- actuator；430- guide part；510- encoder；520- mounting plate；101- is led
To slot；431- traveller；432- positioning protrusion.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
Fig. 1 is the structural schematic diagram of electric core winding diaphragm code device provided in an embodiment of the present invention；Fig. 2 is the present invention
The structural schematic diagram of guide part in the electric core winding diaphragm code device that embodiment provides；Fig. 3 provides for the embodiment of the present invention
Electric core winding diaphragm code device in guide groove structural schematic diagram.
Fig. 1, Fig. 2 and Fig. 3 are please referred to, electric core winding diaphragm provided in an embodiment of the present invention is encoded below in conjunction with attached drawing
Device mechanism and cylindrical lithium battery film-making winding integrated machine elaborate.
The embodiment of first aspect present invention provides a kind of electric core winding diaphragm code device, comprising: roller seat
100, conveying roller 200, diaphragm pressure roller 300, pressure roller adjust component 400 and monitoring assembly 500；
Conveying roller 200 is rotatablely installed in roller seat 100；
The rotational installation of diaphragm pressure roller 300 is adjusted on component 400 in pressure roller, and is arranged in parallel with conveying roller 200, the two cooperation
For conveying diaphragm；
Pressure roller adjusts component 400 and is installed on roller seat 100, for adjusting between diaphragm pressure roller 300 and conveying roller 200
Distance；
Monitoring assembly 500 is installed on roller seat 100 and is sequentially connected with conveying roller 200, for acquiring the tape transport of diaphragm
Information.
The electric core winding diaphragm code device provided using the embodiment of first aspect present invention, electric core membrane are conveyed certainly
Tape transport between roller 200 and diaphragm pressure roller 300, electric core membrane tape transport drive conveying roller 200, and conveying roller 200 drives monitoring assembly
500, monitoring assembly 500 monitors diaphragm in real time and walks information and feed back to system program, walks belt speed to reach accurate control diaphragm
Spend and walk the purpose of ribbon amount.
The embodiment of first aspect present invention provides a kind of electric core winding diaphragm code device, and mechanism is compact, mechanism is simple
Single easily assembly, can save space reduction mechanism manufacturing cost, promote comprehensive benefit, can be realized and monitoring assembly may be implemented
500 real time monitorings and feedback information reach control diaphragm tape running speed and walk ribbon amount.
In the optional scheme of the present embodiment, further, monitoring assembly 500 includes encoder 510, and encoder 510 is logical
It crosses mounting plate 520 to be installed on roller seat 100, for acquiring the tape running speed of diaphragm and walking ribbon amount.
It should be noted that monitoring assembly 500 can with but lose and be limited to for encoder 510, encoder 510 (encoder)
Be signal (such as bit stream) or data are worked out, being converted to can be used to communicates, the equipment of the signal form of transimission and storage.
Angular displacement or straight-line displacement are converted into electric signal by encoder 510, the former is known as code-disc, and the latter is known as yardstick.According to reading side
Formula encoder 510 can be divided into contact and two kinds contactless；According to working principle encoder 510 can be divided into increment type and absolutely
To two class of formula.Incremental encoder is will to be displaced to be converted into periodic electric signal, then this electric signal is transformed into counting arteries and veins
Punching indicates the size of displacement with the number of pulse.The corresponding determining digital code in each position of absolute type encoder, because
This its indicating value is only related to the starting and ending positions of the measurement, and is independent of the intermediate process of measurement.Rotary encoder is one
Kind photo-electric rotary measurement device, tested angular displacement is directly changed into digital signal (high-speed pulse signal) by it.Incremental
Encoder can directly input the output pulse signal of rotary encoder to PLC, using the high-speed counter of PLC to its pulse
Signal is counted, to obtain measurement result.
In at least one embodiment, electric core membrane tape transport between conveying roller 200 and diaphragm pressure roller 300, electric core membrane
Tape transport drives conveying roller 200, and conveying roller 200 drives encoder 510, and encoder 510 monitors diaphragm in real time and walks information and feed back
To system program, to achieve the purpose that accurately to control diaphragm tape running speed and walk ribbon amount.
In the optional scheme of the present embodiment, further, it includes pressing roller holder 410 and driving that pressure roller, which adjusts component 400,
Part 420；
Actuator 420 is installed on roller seat 100 and is sequentially connected with pressing roller holder 410, for driving pressing roller holder 410
Drive diaphragm pressure roller 300 close or far from conveying roller 200.
In the optional scheme of the present embodiment, further, actuator 420 includes cylinder, hydraulic cylinder or electric pushrod
At least one of.
In at least one embodiment, actuator 420 is cylinder.Pressure roller adjusts component 400 and carries out pressure diaphragm using cylinder,
Cylinder pressure carries out pressure control by pressure regulator valve, can preferably control the power size of pressure diaphragm.
In the optional scheme of the present embodiment, further, it further includes at least one guide part that pressure roller, which adjusts component 400,
430, roller seat 100 is equipped with guide groove 101 corresponding with guide part 430.
In at least one embodiment, guide part 430 protrudes into guide groove 101 and can slide along guide groove 101, realizes
When pressure roller adjusts the adjusting diaphragm pressure roller 300 of component 400 close to or far from conveying roller 200, the route of diaphragm pressure roller 300 is stablized.
In the optional scheme of the present embodiment, further, guide part 430 is two, and two guide parts 430 are respectively set
In 420 two sides of actuator.
In the optional scheme of the present embodiment, further, guide part 430 includes traveller 431 and positioning protrusion 432, is led
Cooperated to part 430 by the locating slot on positioning protrusion 432 and guide groove 101.
In at least one embodiment, guide part 430 protrudes into guide groove 101 and can slide along guide groove 101,
In, circumferentially positioned, the realization pressure roller adjusting tune of component 400 is realized between guide part 430 and guide groove 101 by positioning protrusion 432
When nodal diaphragm pressure roller 300 is close to or far from conveying roller 200, the route of diaphragm pressure roller 300 is stablized.
In the optional scheme of the present embodiment, further, roller seat 100 is equipped with buffering towards 410 side of pressing roller holder
Pad 600.
In the optional scheme of the present embodiment, further, guide part 430 passes through cushion 600.
In at least one embodiment, guide part 430 stretches out 101 one end of guide groove across cushion 600, to prevent from driving
When part 420 drives pressing roller holder 410 mobile, reduce the impact force between pressing roller holder 410 and roller seat 100.
The electric core winding diaphragm code device that first aspect present invention provides, electric core membrane tape transport drive conveying roller 200,
Conveying roller 200 drives encoder 510, and encoder 510 monitors diaphragm in real time and walks information and feed back to system program, reaches control
Diaphragm tape running speed and walk ribbon amount；Pressure roller adjusts component 400 and carries out pressure diaphragm using cylinder, and cylinder pressure is carried out by pressure regulator valve
Pressure control, can preferably control the power size of pressure diaphragm；Electric core winding diaphragm code device overall mechanism is compact, mechanism
Simple easily assembly, can save space reduction mechanism manufacturing cost, promote comprehensive benefit.
The embodiment of second aspect of the present invention provides a kind of cylindrical lithium battery film-making winding integrated machine (not shown),
Including the electric core winding diaphragm code device in any of the above-described embodiment.
The cylindrical lithium battery film-making winding integrated machine that the embodiment of second aspect of the present invention provides is provided with the present invention first
The electric core winding diaphragm code device that the embodiment of aspect provides, thus what the embodiment with first aspect present invention provided
All beneficial effects possessed by electric core winding diaphragm code device.
Electric core winding diaphragm code device of the invention and cylindrical lithium battery film-making winding integrated machine are carried out above
Illustrate, still, the present invention is not limited to above-mentioned specific embodiments can carry out without departing from the scope of the claims
Various deformations or change.The invention includes various changes and modifications within the scope of the claims.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe is described in detail invention referring to foregoing embodiments, those skilled in the art should understand that: it is still
It is possible to modify the technical solutions described in the foregoing embodiments, or some or all of the technical features is carried out
Equivalent replacement；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution various embodiments of the present invention technical side
The range of case.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810780641.1A CN109065967A (en) | 2018-07-16 | 2018-07-16 | Electric core winding diaphragm code device and cylindrical lithium battery film-making winding integrated machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810780641.1A CN109065967A (en) | 2018-07-16 | 2018-07-16 | Electric core winding diaphragm code device and cylindrical lithium battery film-making winding integrated machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109065967A true CN109065967A (en) | 2018-12-21 |
Family
ID=64816873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810780641.1A Pending CN109065967A (en) | 2018-07-16 | 2018-07-16 | Electric core winding diaphragm code device and cylindrical lithium battery film-making winding integrated machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109065967A (en) |
Citations (8)
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|---|---|---|---|---|
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| WO2009019781A1 (en) * | 2007-08-09 | 2009-02-12 | Kaido Manufacturing Co., Ltd. | Displacement correction device for winding device |
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| WO2013000378A1 (en) * | 2011-06-27 | 2013-01-03 | 深圳市吉阳自动化科技有限公司 | Core automatic winding device |
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| KR20180043614A (en) * | 2016-10-20 | 2018-04-30 | (주) 피토 | Apparatus for manufacturing rechargeable battery |
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-
2018
- 2018-07-16 CN CN201810780641.1A patent/CN109065967A/en active Pending
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| WO2009019781A1 (en) * | 2007-08-09 | 2009-02-12 | Kaido Manufacturing Co., Ltd. | Displacement correction device for winding device |
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| CN207515759U (en) * | 2017-12-13 | 2018-06-19 | 中航锂电（江苏）有限公司 | Wind pole piece tape transport length measuring mechanism |
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Application publication date: 20181221 |
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| RJ01 | Rejection of invention patent application after publication |