CN102544593A - Automatic roll material changing device - Google Patents

Automatic roll material changing device Download PDF

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Publication number
CN102544593A
CN102544593A CN2012100350684A CN201210035068A CN102544593A CN 102544593 A CN102544593 A CN 102544593A CN 2012100350684 A CN2012100350684 A CN 2012100350684A CN 201210035068 A CN201210035068 A CN 201210035068A CN 102544593 A CN102544593 A CN 102544593A
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CN
China
Prior art keywords
rubberizing
unit
coiled strip
unreels
cutting
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN2012100350684A
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Chinese (zh)
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CN102544593B (en
Inventor
王胜玲
罗选良
王维东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Yinghe Technology Co Ltd
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Shenzhen Yinghe Technology Co Ltd
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Priority to CN201210035068.4A priority Critical patent/CN102544593B/en
Publication of CN102544593A publication Critical patent/CN102544593A/en
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Publication of CN102544593B publication Critical patent/CN102544593B/en
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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
    • 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 discloses an automatic roll material changing device, which comprises a first unreeling unit, a second unreeling unit and a bonding mechanism, and further comprises a first cutting unit and a second cutting unit, wherein the bonding mechanism is used for bonding a first roll material of the first unreeling unit and a second roll material of the second unreeling unit, the first cutting unit is used for cutting the first roll material to unreel the second roll material when the first roll material is completely unreeled and is bonded with the second roll material, and the second cutting unit is used for cutting the second roll material to unreel the first roll material when the second unreeling unit is completely unreeled and is bonded with the first unreeling unit. The device has the beneficial effects that: film roll materials are automatically changed without stopping a machine and are automatically bonded, so the roll material bonding quality is improved, the working efficiency is high, and the material loss is reduced.

Description

A kind of automatic change of lap materials device
Technical field
The present invention relates to a kind of automatic change of lap materials device.
Background technology
In the lithium battery production process; Operations such as full automatic winding, lamination, bag comprise the process that the barrier film coiled strip unreels, and general at present employing monovolume material unreels, and the material volume uses up the back and shuts down the mode of reloading; Strip can not use continuously; Increase the device free time, had a strong impact on device efficiency, caused waste of material.
Summary of the invention
In order to make structure, the control of change of lap materials device simpler, efficient is higher, the invention provides a kind of automatic change of lap materials device.
A kind of automatic change of lap materials device; Comprise that first unreels unit, second and unreel unit and rubberizing mechanism; Also comprise first cutting unit and second cutting unit; Said rubberizing mechanism be used to make first unreel the unit first coiled strip and second to unreel second coiled strip of unit mutually bonding, said first cutting unit is used for when said first coiled strip has unreeled and be mutually bonding with second coiled strip, cutting off first coiled strip to unreel second coiled strip; Said second cutting unit is used for unreeling that the unit has unreeled and unreeling the unit when mutually bonding with first when said second, cuts off second coiled strip to unreel first coiled strip.
Preferably; Said rubberizing mechanism comprises rubberizing slide rail, the first rubberizing unit that is oppositely arranged and the second rubberizing unit; The said first rubberizing unit comprises the first rubberizing cylinder and the first rubberizing piece; The said second rubberizing unit comprises the second rubberizing cylinder and the second rubberizing piece; The said first rubberizing cylinder is used to drive the said first rubberizing piece and on the rubberizing slide rail, moves; The said second rubberizing cylinder is used to drive the said second rubberizing piece and on the rubberizing slide rail, moves, and said first rubberizing piece and the relative move toward one another of the second rubberizing piece compress first coiled strip and second coiled strip, thereby makes first coiled strip mutually bonding through the double faced adhesive tape that is attached to first coiled strip or second coiled strip surface with second coiled strip.
Preferably; Said first unreels the unit comprises that first unreels the motor and first unreeling shaft; Second unreels the unit comprises that second unreels the motor and second unreeling shaft; Said first unreels motor and second unreels motor and is fixed on the frame, and said first unreeling shaft and second unreeling shaft parallel setting, and said first unreels motor and second unreels that motor drives first unreeling shaft respectively and second unreeling shaft unreels.
Preferably; Said first cutting unit unreels the unit near said first; Said second cutting unit unreels the unit near said second; Said first cutting unit comprises that first cuts off cylinder, first cut-out slide rail, the first cutting knife fixed block and first cutting knife; Said second cutting unit comprises that second cuts off cylinder, second cut-out slide rail, the second cutting knife fixed block and second cutting knife; Said first cuts off cylinder, the second cut-out cylinder, the first cut-out slide rail and the second cut-out slide rail is fixed on the frame; Said first cutting knife and second cutting knife are separately fixed on the first cutting knife fixed block and the second cutting knife fixed block, and the said first cut-out slide rail and the second cut-out slide rail are along the setting of the first unreeling shaft direction, and the said first cut-out cylinder and the second cut-out cylinder drive the first cutting knife fixed block respectively and move on the second cut-out slide rail at the motion and the second cutting knife fixed block on the first cut-out slide rail.
Preferably, be provided with first transition wheel between said first cutting knife and first unreeling shaft, be provided with second transition wheel between said second cutting knife and second unreeling shaft, be provided with transition wheel near the opposite side of a side of the rubberizing mechanism of said first cutting unit.
Preferably, also comprise the first correction assembly, the said first correction assembly is used to correct the axial position of said first unreeling shaft.
Preferably, also comprise the second correction assembly, the said second correction assembly is used to correct the axial position of said second unreeling shaft.
Preferably, said first transition wheel is rotatably connected with first connecting axle through first axle sleeve, and said second transition wheel is rotatably connected with second connecting axle through second axle sleeve, and said first connecting axle and second connecting axle are fixed on the frame.
Preferably, said first transition wheel and second transition wheel and frame have certain distance, do not contact with second coiled strip with first coiled strip for first cutting knife and second cutting knife stop before cutting first coiled strip and second coiled strip.
The surface of the said first rubberizing piece and the second rubberizing piece is provided with suction hole.
The invention has the beneficial effects as follows: because first unreel unit and second and unreel the unit relative fixed on frame; When a certain coiled strip has unreeled when need be with another coiled strip bonding; Only need first coiled strip and second coiled strip be bonded together through rubberizing mechanism, efficient is very high.In addition, cut off respectively and be about to unreel first coiled strip and second coiled strip that finishes, guaranteed the smooth switching of first coiled strip and second coiled strip owing to be provided with first cutting unit and second cutting unit.Thereby, realized not shutting down automatic replacing barrier film material volume, automatic tape splicing, the tape splicing quality is high, high efficiency, spillage of material reduces.
Description of drawings
Fig. 1 is the schematic perspective view (omission frame) of a kind of specific embodiment of the present invention;
Fig. 2 is the front view (omission frame) of a kind of specific embodiment of the present invention;
Fig. 3 is the vertical view of the shut-off mechanism of a kind of specific embodiment of the present invention.
Embodiment
Below will combine accompanying drawing, specific embodiment of the present invention will be done further explain.
Shown in Fig. 1 to 3; A kind of automatic change of lap materials device; Comprise that first unreels unit 11, second and unreel unit 12 and rubberizing mechanism 3, also comprise first cutting unit 200 and second cutting unit 210, said rubberizing mechanism 3 be used to make first unreel unit 11 first coiled strip and second to unreel second coiled strip of unit 12 mutually bonding; Said first cutting unit 200 is used for when said first coiled strip has unreeled and be mutually bonding with second coiled strip; Cut off first coiled strip to unreel second coiled strip, said second cutting unit 210 is used for when said second coiled strip has unreeled and be mutually bonding with first coiled strip, cutting off second coiled strip to unreel first coiled strip.
Preferably; Unreeling structure 1 (comprise first unreel unit 11 and second unreel unit 12), shut-off mechanism 2 (comprising first cutting unit 200 and second cutting unit 210) and rubberizing mechanism 3; Putting in order of each mechanism's vertical direction is rubberizing mechanism 3, shut-off mechanism 2, unreeling structure 1, and each mechanism all comprises symmetrical two parts.
Unreeling structure 1 comprises current unit (first unreels the unit) 11 and the subsequent use unit (second unreels the unit) 12 that unreels of unreeling; First unreels unit 11 comprises that first unreels the motor 110 and first unreeling shaft 113; Second unreels the unit comprises that second unreels the motor and second unreeling shaft 123; First unreels motor 110 and second unreels motor and is fixed on the frame 4; First unreeling shaft 113 and second unreeling shaft 123 parallel setting, and first unreels motor 110 and second unreels that motor drives first unreeling shaft 113 respectively and second unreeling shaft 123 unreels.The current unit 11 that unreels is symmetrical set along the axis that is parallel to first unreeling shaft 113 with the subsequent use unit 12 that unreels, and structure is identical.One side of first unreeling shaft 113 is fixed with and unreels location-plate 114, is used for fixing the marginal position of first coiled strip.Fixation kit 112 is fixed on the frame 4.First unreels unit 11 also comprises the assembly 111 of rectifying a deviation that unreels that is fixed on the frame 4, and it is fixedly connected with first unreeling shaft 113, in order to correct the axial location of first unreeling shaft 113.First unreels unit 11 and second unreels unit 12 and all also comprises connecting axle; As shown in the figure, second unreels the unit comprises second connecting axle 115, has second transition wheel 116 on one second connecting axle 115 at least; Second transition wheel 116 is by axle sleeve 117 location, and rotational fixation is on second connecting axle 115.Preferably, first unreel motor 110 and drive unreeling shaft 113 rotations through synchronous band and unreel.
Shut-off mechanism 2 comprises first cutting unit 200 and second cutting unit 210; First cutting unit 200 unreels unit 11 near first; Second cutting unit 210 unreels unit 12 near second; First cutting unit 200 comprises that first cuts off cylinder 201, first cut-out slide rail 204, the first cutting knife fixed block 202 and first cutting knife 203; Second cutting unit 210 comprises that second cuts off cylinder 211, second cut-out slide rail 214, the second cutting knife fixed block 212 and second cutting knife 213; The first cut-out cylinder 201, second cuts off cylinder 211, the first cut-out slide rail 204 and second cuts off slide rail 214 and is fixed on the frame 4; First cutting knife 203 and second cutting knife 213 are separately fixed on the first cutting knife fixed block 202 and the second cutting knife fixed block 212; The first cut-out slide rail 204 and second cuts off slide rail 214 edge first unreeling shaft, 113 direction settings, and the first cut-out cylinder 201 and the second cut-out cylinder 211 drive the first cutting knife fixed block 202 respectively and move on the second cut-out slide rail 214 at the motion and the second cutting knife fixed block 212 on the first cut-out slide rail 204.Preferably; The first cutting knife slide rail 204 and the second cutting knife slide rail 214 are fixing with frame 4 through the first slide rail back-up block 205 and the second slide rail back-up block 215 respectively, and first cutting unit 200 and second cutting unit 210 are preferably along the axis symmetry that is parallel to first unreeling shaft 113.
Rubberizing mechanism 3 comprises the first rubberizing unit 300 and the second rubberizing unit 310 that is oppositely arranged; And rubberizing slide rail 304; The first rubberizing unit 300 comprises the first rubberizing cylinder 301 and the first rubberizing piece 302; The second rubberizing unit 310 comprises the second rubberizing cylinder 311 and the second rubberizing piece 312; The first rubberizing cylinder 301 is used to drive the first rubberizing piece 302 and on rubberizing slide rail 304, moves; The second rubberizing cylinder 311 is used to drive the second rubberizing piece 312 and on rubberizing slide rail 304, moves, and the first rubberizing piece 302 and the second rubberizing piece, 312 relative move toward one another compress first coiled strip and second coiled strip, thereby makes first coiled strip mutually bonding through the double faced adhesive tape that is attached to first coiled strip or second coiled strip surface with second coiled strip.Preferably, rubberizing slide rail 304 is fixed on the rubberizing bracing frame 303, and rubberizing bracing frame 303 is fixed on the frame 4.Preferably, the last plane of the first rubberizing piece 302 and the second rubberizing piece 312 is provided with suction hole, is respectively applied for the initiating terminal of fixing first coiled strip and second coiled strip.
First cutting unit 200 and second cutting unit, 210 single movements; Be used to cut off the current barrier film (coiled strip that is about to unreel) that unreels,, between axle sleeve of locating transition wheel and frame, be provided with certain distance for not influencing the barrier film tape transport; Thereby leave certain space between transition wheel and the frame; When first cutting knife 203 or second cutting knife 213 were not worked, it was parked in the superjacent air space 220 between axle sleeve and the frame 4, can not contact with the barrier film that unreels through transition wheel.
During work; First unreels unit 11 unreels first coiled strip, and first coiled strip is walked around first spool 113 and unreeled through first transition wheel on first connecting axle and transition wheel 100, at this moment; The second coiled strip band is contained in second and unreels on the unit 12; Second spool 112 walked around by same second coiled strip and through behind second ferry boat 116 on second connecting axle 115, its initiating terminal is held by the first rubberizing piece 302, at this moment; The initiating terminal of second coiled strip has posted double faced adhesive tape near a side surface of the second rubberizing piece 312, and this double faced adhesive tape is assemblied in when making this coiled strip or with this coiled strip and has posted when unreeling the unit.Unreeled when first coiled strip is approaching; The first rubberizing cylinder 301 and the second rubberizing cylinder 311 stretch out, and drive the first rubberizing piece 302 respectively and relatively move with the second rubberizing piece 312 and make first coiled strip mutually bonding with second coiled strip, at this moment; First coiled strip still has part between first transition and transition wheel 100; First cuts off cylinder 201 stretches out, and promotes first cutting knife 203 and moves along being parallel to first unreeling shaft, 113 directions (i.e. the Width of first coiled strip), cuts off first coiled strip; Two rubberizing cylinders make two rubberizing pieces return in the opposite direction respectively then; Suction hole on the first rubberizing piece 302 stops ventilation, unclamps second coiled strip (being subsequent use coiled strip), and second unreels 12 of unit begins to unreel second coiled strip.When second coiled strip used up, the course of work that switches to first coiled strip was similar, repeats no more at this.

Claims (10)

1. automatic change of lap materials device; Comprise that first unreels unit, second and unreel unit and rubberizing mechanism; It is characterized in that: also comprise first cutting unit and second cutting unit; Said rubberizing mechanism be used to make first unreel the unit first coiled strip and second to unreel second coiled strip of unit mutually bonding, said first cutting unit is used for when said first coiled strip has unreeled and be mutually bonding with second coiled strip, cutting off first coiled strip to unreel second coiled strip; Said second cutting unit is used for unreeling that the unit has unreeled and unreeling the unit when mutually bonding with first when said second, cuts off second coiled strip to unreel first coiled strip.
2. automatic change of lap materials device as claimed in claim 1; It is characterized in that: said rubberizing mechanism comprises rubberizing slide rail, the first rubberizing unit that is oppositely arranged and the second rubberizing unit; The said first rubberizing unit comprises the first rubberizing cylinder and the first rubberizing piece; The said second rubberizing unit comprises the second rubberizing cylinder and the second rubberizing piece; The said first rubberizing cylinder is used to drive the said first rubberizing piece and on the rubberizing slide rail, moves; The said second rubberizing cylinder is used to drive the said second rubberizing piece and on the rubberizing slide rail, moves, and the said first rubberizing piece and the second rubberizing piece move toward one another compress first coiled strip and second coiled strip, thereby makes first coiled strip mutually bonding through the double faced adhesive tape that is attached to first coiled strip or second coiled strip surface with second coiled strip.
3. automatic change of lap materials device as claimed in claim 1; It is characterized in that: said first unreels the unit comprises that first unreels the motor and first unreeling shaft; Second unreels the unit comprises that second unreels the motor and second unreeling shaft; Said first unreels motor and second unreels motor and is fixed on the frame, and said first unreeling shaft and second unreeling shaft parallel setting, and said first unreels motor and second unreels that motor drives first unreeling shaft respectively and second unreeling shaft unreels.
4. automatic change of lap materials device as claimed in claim 1; It is characterized in that: said first cutting unit unreels the unit near said first; Said second cutting unit unreels the unit near said second; Said first cutting unit comprises that first cuts off cylinder, first cut-out slide rail, the first cutting knife fixed block and first cutting knife; Said second cutting unit comprises that second cuts off cylinder, second cut-out slide rail, the second cutting knife fixed block and second cutting knife; Said first cuts off cylinder, the second cut-out cylinder, the first cut-out slide rail and the second cut-out slide rail is fixed on the frame; Said first cutting knife and second cutting knife are separately fixed on the first cutting knife fixed block and the second cutting knife fixed block, and said first cuts off slide rail and second cuts off slide rail respectively along the direction setting of first unreeling shaft and second unreeling shaft, and said first cuts off cylinder and second cuts off cylinder and drive the first cutting knife fixed block respectively and cut off on the slide rail motion first and move on the second cut-out slide rail with the second cutting knife fixed block.
5. automatic change of lap materials device as claimed in claim 4; It is characterized in that: be provided with first transition wheel between said first cutting knife and first unreeling shaft; Be provided with second transition wheel between said second cutting knife and second unreeling shaft, be provided with transition wheel near the opposite side of a side of the rubberizing mechanism of said first cutting unit.
6. automatic change of lap materials device as claimed in claim 4 is characterized in that: also comprise the first correction assembly, the said first correction assembly is used to correct the axial position of said first unreeling shaft.
7. automatic change of lap materials device as claimed in claim 4 is characterized in that: also comprise the second correction assembly, the said second correction assembly is used to correct the axial position of said second unreeling shaft.
8. automatic change of lap materials device as claimed in claim 5; It is characterized in that: said first transition wheel is rotatably connected with first connecting axle through first axle sleeve; Said second transition wheel is rotatably connected with second connecting axle through second axle sleeve, and said first connecting axle and second connecting axle are fixed on the frame.
9. automatic change of lap materials device as claimed in claim 5; It is characterized in that: said first transition wheel and second transition wheel and frame have certain distance, do not contact with second coiled strip with first coiled strip for first cutting knife and second cutting knife stop before cutting first coiled strip and second coiled strip.
10. automatic change of lap materials device as claimed in claim 2 is characterized in that: the surface of the said first rubberizing piece and the second rubberizing piece is provided with suction hole.
CN201210035068.4A 2012-02-16 2012-02-16 Automatic roll material changing device Active CN102544593B (en)

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Application Number Priority Date Filing Date Title
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CN102544593B CN102544593B (en) 2014-01-01

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102794978A (en) * 2012-08-24 2012-11-28 宁波欣达印刷机器有限公司 Automatic cutting receiving device for high-speed reeling printing machine
CN103259038A (en) * 2013-05-16 2013-08-21 东莞市雅康精密机械有限公司 Piece making system
CN103762098A (en) * 2014-01-10 2014-04-30 宁波南车新能源科技有限公司 Device and method for winding and forming of cells
CN104009260A (en) * 2013-02-25 2014-08-27 三星Sdi株式会社 Automatic material replacing apparatus of secondary battery winding equipment
CN106684424A (en) * 2015-11-10 2017-05-17 三星Sdi株式会社 A material exchanging device of winding equipment for a battery and a method of manufacturing the battery
CN107275677A (en) * 2017-07-04 2017-10-20 无锡先导智能装备股份有限公司 Automatic reload tape splicing mechanism and method
CN108400369A (en) * 2018-05-10 2018-08-14 上海乾得智能科技有限公司 Power battery electrode ear mold cuts winding integrated machine
WO2019204971A1 (en) * 2018-04-24 2019-10-31 深圳市诚捷智能装备股份有限公司 Automatic tape reloading device for cell winding, and cell winding apparatus
WO2022083499A1 (en) * 2020-10-19 2022-04-28 无锡先导智能装备股份有限公司 Tab roll changing device and winding apparatus
CN114639857A (en) * 2020-12-15 2022-06-17 深圳市诚捷智能装备股份有限公司 Lamination machine
WO2023240602A1 (en) * 2022-06-17 2023-12-21 宁德时代新能源科技股份有限公司 Separation film roll and preparation method therefor

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1897831A2 (en) * 2006-09-08 2008-03-12 Voith Patent GmbH Method for replacing the roll in a roll winding device and roll winding device for winding a sheet of material
CN101804922A (en) * 2010-03-05 2010-08-18 深圳市吉阳自动化科技有限公司 Automatic coil material changing and connecting device and method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1897831A2 (en) * 2006-09-08 2008-03-12 Voith Patent GmbH Method for replacing the roll in a roll winding device and roll winding device for winding a sheet of material
CN101804922A (en) * 2010-03-05 2010-08-18 深圳市吉阳自动化科技有限公司 Automatic coil material changing and connecting device and method

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102794978B (en) * 2012-08-24 2015-04-08 宁波欣达印刷机器有限公司 Automatic cutting receiving device for high-speed reeling printing machine
CN102794978A (en) * 2012-08-24 2012-11-28 宁波欣达印刷机器有限公司 Automatic cutting receiving device for high-speed reeling printing machine
CN104009260B (en) * 2013-02-25 2017-12-15 三星Sdi株式会社 The material apparatus for automatic change of secondary cell winding apparatus
CN104009260A (en) * 2013-02-25 2014-08-27 三星Sdi株式会社 Automatic material replacing apparatus of secondary battery winding equipment
CN103259038B (en) * 2013-05-16 2015-10-21 东莞市雅康精密机械有限公司 Moviemaking system
CN103259038A (en) * 2013-05-16 2013-08-21 东莞市雅康精密机械有限公司 Piece making system
CN103762098A (en) * 2014-01-10 2014-04-30 宁波南车新能源科技有限公司 Device and method for winding and forming of cells
CN106684424A (en) * 2015-11-10 2017-05-17 三星Sdi株式会社 A material exchanging device of winding equipment for a battery and a method of manufacturing the battery
CN107275677A (en) * 2017-07-04 2017-10-20 无锡先导智能装备股份有限公司 Automatic reload tape splicing mechanism and method
CN107275677B (en) * 2017-07-04 2019-06-07 无锡先导智能装备股份有限公司 Automatic reload tape splicing mechanism and method
WO2019204971A1 (en) * 2018-04-24 2019-10-31 深圳市诚捷智能装备股份有限公司 Automatic tape reloading device for cell winding, and cell winding apparatus
CN108400369A (en) * 2018-05-10 2018-08-14 上海乾得智能科技有限公司 Power battery electrode ear mold cuts winding integrated machine
WO2022083499A1 (en) * 2020-10-19 2022-04-28 无锡先导智能装备股份有限公司 Tab roll changing device and winding apparatus
US11753264B2 (en) 2020-10-19 2023-09-12 Wuxi Lead Intelligent Equipment Co., Ltd. Tab roll replacing device and winding apparatus
CN114639857A (en) * 2020-12-15 2022-06-17 深圳市诚捷智能装备股份有限公司 Lamination machine
WO2023240602A1 (en) * 2022-06-17 2023-12-21 宁德时代新能源科技股份有限公司 Separation film roll and preparation method therefor

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Free format text: CORRECT: INVENTOR; FROM: WANG SHENGLING LUO XUANLIANG WANG WEIDONG TO: WANG SHENGLING WANG WEIDONG

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