CN208078103U - Power battery and its film sticking apparatus - Google Patents

Power battery and its film sticking apparatus Download PDF

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Publication number
CN208078103U
CN208078103U CN201820258942.3U CN201820258942U CN208078103U CN 208078103 U CN208078103 U CN 208078103U CN 201820258942 U CN201820258942 U CN 201820258942U CN 208078103 U CN208078103 U CN 208078103U
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CN
China
Prior art keywords
battery core
insulating film
battery
power battery
sealing
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CN201820258942.3U
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Chinese (zh)
Inventor
付帅
方宏新
陈宝华
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Contemporary Amperex Technology Co Ltd
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Contemporary Amperex Technology Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

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  • Sealing Battery Cases Or Jackets (AREA)

Abstract

The utility model discloses a kind of power batteries comprising battery core;And two panels insulating film, it fits in respectively on two big faces of battery core;Wherein, every insulating film includes that the big face insulating film fitted on the big face of battery core, arrogant face insulating film extend two side strips of battery core both sides, arrogant face insulating film extends top margin item at the top of battery core, and arrogant face insulating film extends the skirt rail of battery core bottom, two skirt rails fit on the bottom surface of battery core, on the same side that two side strips of battery core the same side fit in battery core, skirt rail is equipped with sealed end, and sealed end fits on side strip.Compared with the existing technology, the utility model power battery can effectively solve the problem that the problem of battery core aluminum hull insulation retardance waterproof.In addition, the invention also discloses a kind of power battery film sticking apparatus, to significantly improve the coating production capacity of battery, the fraction defective that reloads of coating is reduced.

Description

Power battery and its film sticking apparatus
Technical field
The utility model belongs to field of batteries, and more specifically, the utility model is related to a kind of power battery and its pad pastings Device.
Background technology
Currently, Hard-shell power battery coating field uses monolithic insulating film to coat battery core technique substantially.Monolithic coating is main There are two types of ways of realization:One is since battery core side coating, bottom fold " returning " shape coating mode, another kind is the bottom of from The " u "-shaped coating mode that portion starts coating, side folds.
In the method for coating of " returning " shape coating, battery core bottom can exposed aluminum hull, it is therefore desirable to paste insulating trip etc. in bottom Mode insulate, and after power battery pack is surprisingly intake, this coating mode cannot block waterproof, cause battery short-circuit rapidly Explosion on fire, it is shorter to occupant's escape time, it is unfavorable for occupant safety.
" u "-shaped coating mode can coat battery core entirely, and aluminum hull does not have exposed, can effectively block waterproof, safety Property is more preferable.But the " u "-shaped coating process at present in industry is electric by excessive action, especially battery core feeding, patch bottom, patch The two big face of core cuts off insulating film, pulls the actions such as insulating film and concentrate on a work step and carry out, limit single machine production efficiency into One step is promoted.
In addition, the form that shape coating or " u "-shaped coating use monovolume insulating film blowing pad pasting whether " is returned ", it is this Blowing mode not only pulls material roller and needs to pull material back and forth, but also insulating film depletion rate is fast, needs frequently to reload.First volume when reloading Insulating film tail portion and volume Two insulating film head overlap joint, the pasted battery core of insulating film being overlapped is defective products.According to statistics, only electric Core reload may result in about 2% fraction defective.
In view of this, it is necessory to provide a kind of power battery that can block waterproof and a kind of film coating process efficiently and change Expect the low power battery film sticking apparatus of fraction defective.
Utility model content
The purpose of this utility model is that:Overcome the deficiencies of the prior art and provide a kind of power electric that can block waterproof Pond and the power battery film sticking apparatus that a kind of film coating process is efficient and the fraction defective that reloads is low.
In order to realize that above-mentioned purpose of utility model, the utility model provide a kind of power battery comprising:
Battery core;And
Two panels insulating film is fitted in respectively on two big faces of battery core;
Wherein, every insulating film includes that the big face insulating film fitted on the big face of battery core, arrogant face insulating film extend electricity Two side strips, the arrogant face insulating film of core both sides extend top margin item at the top of battery core and arrogant face insulating film extends The skirt rail of battery core bottom, two skirt rails fit on the bottom surface of battery core, and two side strips for being located at battery core the same side are bonded In on the same side of battery core, skirt rail is equipped with sealed end, and sealed end fits on side strip.
As a kind of improvement of the utility model power battery, the sealed end includes the first sealing and the second sealing Portion, the second sealing are connected with side strip, and sheared edge is offered between the first sealing and the second sealing.
As a kind of improvement of the utility model power battery, the sheared edge is "=" shape.
As a kind of improvement of the utility model power battery, patch is separately folded in first sealing and the second sealing Together on side strip, and the second sealing is held between the first sealing and side strip.
As a kind of improvement of the utility model power battery, the battery core is equipped with lamina tecti, and top margin item folds fitting In the outer edge of lamina tecti.
As a kind of improvement of the utility model power battery, the maximum gauge of the battery core side insulation film is 5 layers.
As a kind of improvement of the utility model power battery, it is located at the sum of the width of two side strips of battery core the same side More than the width of battery core side.
In order to realize that above-mentioned purpose of utility model, the utility model additionally provide one kind and being used to prepare the utility model power The power battery film sticking apparatus of battery comprising:
Supply assembly includes the insulating films of volume two and its support shaft positioned at battery core both sides, two rubberizing face cross material rollers and two A back-adhesive surface cross material roller;
Pad pasting component includes two pad pasting rollers and two cutters positioned at battery core both sides;
Component is pushed, including former and later two shift forks are cut somebody's hair, upper and lower sucker and guide roller, shift fork are cut somebody's hair front and back two electricity respectively Core pushes to pad pasting position and its lower station by guide roller, upper and lower sucker be suspended on above insulating film and absorption battery core both sides and The hanging insulating film in bottom, upper and lower sucker are moved by driving mechanism with battery core;And
Positioning component, including two automatic spacing blocks, limited block auto-extending before battery core reaches designated position.
As a kind of improvement of the utility model power battery film sticking apparatus, sucker and the shift fork up and down are cut somebody's hair in battery core Synchronization action during big mask.
As a kind of improvement of the utility model power battery film sticking apparatus, tension is kept on the insulating film.
Compared with the existing technology, the utility model power battery can effectively solve the problem that asking for battery core aluminum hull insulation retardance waterproof Topic, power battery film sticking apparatus are fed by the insulating films of volume two and execute coating in different station and acted simultaneously, solve pad pasting Station hyperpraxia and the problems in behavior aggregate significantly improve the coating production capacity of battery, greatly reduce reloading not for coating Yield.
Description of the drawings
With reference to the accompanying drawings and detailed description, the utility model power battery and its film sticking apparatus are carried out specifically It is bright, wherein:
Fig. 1 to Fig. 8 show the flow diagram of battery core pad pasting in the utility model power battery.
Fig. 9 show the structural schematic diagram of the utility model power battery film sticking apparatus.
Figure 10 is the vertical view of upper and lower sucker in power battery film sticking apparatus shown in Fig. 9.
Wherein, the reference numerals are as follows:
10 battery core, 20 insulating film, 200 big face insulating film
202 side strip, 204 skirt rail, 206 top margin item
2042 20,420 first sealing of sealed end, 20422 sheared edge
20424 second sealing, 30 supply assembly, 300 insulating film
302 support shaft, 304 rubberizing face cross material roller, 306 back-adhesive surface cross material roller
40 pad pasting component, 400 cutter, 402 pad pasting roller
50 about 500 sucker of push component, 502 shift fork is cut somebody's hair
504 guide roller, 506 guide rail, 60 automatic spacing block
Specific implementation mode
In order to make the goal of the invention, technical solution and its advantageous effects of the utility model be more clear, below in conjunction with The drawings and specific embodiments, the present invention will be further described in detail.It should be understood that described in this specification Specific implementation mode just for the sake of explain the utility model, be not intended to limit the utility model.
It please refers to Fig.1 to shown in Fig. 8, the utility model power battery includes:Battery core 10;And two panels insulating film 20, point It does not fit on two big faces of battery core 10;Wherein, every insulating film 20 includes the big face insulating film fitted on 10 big face of battery core 200, arrogant face insulating film 200 extends two side strips 202 of 10 both sides of battery core, arrogant face insulating film 200 extends battery core The top margin item 206 and arrogant face insulating film 200 at 10 tops extend the skirt rail 204 of 10 bottom of battery core, and skirt rail 204 pastes Together on the bottom surface of battery core 10, two side strips 202 positioned at 10 the same side of battery core fit on the same side of battery core 10, bottom Edge strip 204 is equipped with sealed end 2042, and sealed end 2042 fits on side strip 202.
It please refers to Fig.1 to shown in Fig. 8, package two panels insulating film 20 is as follows in battery core 10:
(1) it please refers to shown in Fig. 1, two panels insulating film 20 is the rectangle diaphragm symmetrically fitted on the 10 liang big face of battery core, will Insulating film 20 is conformed to be parallel to battery core 10 two big face directions on the big face of battery core 10, and insulating film 20 includes fitting in battery core Big face insulating film 200, arrogant face insulating film 200 on 10 big faces extend two side strips 202 of 10 both sides of battery core, arrogant face Insulating film 200 extends the top margin item 206 at the top of battery core 10 and arrogant face insulating film 200 extends the bottom of 10 bottom of battery core Edge strip 204, in the condition shown in figure 1, side strip 202, skirt rail 204 and top margin item 206 respectively with the side of battery core 10, bottom Face and top surface are perpendicular;
(2) it please refers to shown in Fig. 2, two skirt rails 204 is mutually fitted in towards the folding of battery core 10 on the bottom surface of battery core 10, In order to ensure that 10 bottom surface of battery core is completely wrapped, the sum of width of two skirt rails 204 be more than battery core 10 bottom width, i.e., two Skirt rail 204 is mutually overlapping on the bottom surface of battery core 10, wherein skirt rail 204 is equipped with the sealed end being suspended on outside battery core 10 2042;
(3) please refer to shown in Fig. 3, sealed end 2042 include the first sealing 20420 and the second sealing 20424, first Offer sheared edge 20422 between sealing 20420 and the second sealing 20424, sheared edge 20422 be "=" shape and perpendicular to The side of battery core 10, the second sealing 20424 are connected to side strip 202, for elongated strip shaped and are parallel to sheared edge 20422;
(4) please refer to shown in Fig. 4, be located at 10 the same side of battery core both sides edge strip 202 by sheared edge 20422 along battery core The long crest line of 10 sides folds the side for fitting in battery core 10, meanwhile, the second sealing 20424 of sealed end 2042 is folded into patch Together in the side bottom of battery core 10.In order to ensure that 10 side of battery core is completely wrapped, it is located at two sides of 10 the same side of battery core The sum of width of item 202 is more than the width of battery core side, that is, is located at two phases on side of side strip 202 of 10 the same side of battery core It is mutually overlapping, at this point, the first sealing 20420 is suspended on outside battery core 10;
(5) shown in referring to figure 5 and figure 6, by the first sealing 20420 being suspended on outside battery core 10 along 10 bottom surface of battery core Short crest line folding fits on side strip 202, and the second sealing 20424 folded after being bonded is held on the first sealing Between 20420 and side strip 202.The multilayer folding design of the utility model can effectively improve the retardance water proofing property of battery core 10, In, the maximum insulator film thickness of 10 side of battery core fitting is 5 layers;
(6) with reference to shown in Fig. 7 and Fig. 8, on the outer edge for the lamina tecti that the folding of top margin item 206 is fitted in battery core 10, In, top margin item 206 includes long top margin item 2060 and short top margin item 2062, lamina tecti long crest line of the long top margin item 2060 along battery core 10 On the outer edge for folding the lamina tecti for fitting in battery core 10, short top margin item 2062 folds fitting along the short crest line of lamina tecti of battery core 10 In on the outer edge of the lamina tecti of battery core 10, top margin item 206 can be sealed insulation to the top surrounding of battery core 10.
It please refers to shown in Fig. 9 and Figure 10, in order to realize that above-mentioned purpose of utility model, the utility model additionally provide a kind of dynamic Power battery film sticking apparatus comprising:
Supply assembly 30, including the upper and lower insulating film 300 of volume two and its support shaft 302, upper and lower two rubberizing face cross material rollers 304 With upper and lower two back-adhesive surface cross material rollers 306;
Pad pasting component 40, including upper and lower two pad pasting rollers 402 and upper and lower two cutters 400;
Component 50 is pushed, including former and later two shift forks are cut somebody's hair 502, upper and lower sucker 500 and guide roller 504, shift fork cuts somebody's hair 502 Front and back two battery core 10 is pushed into pad pasting position and its lower station by guide roller 504 respectively, upper and lower sucker 500 is suspended on insulation The top of film 300 and the hanging insulating film edge strip in 10 both sides of battery core and bottom is adsorbed, upper and lower sucker 500 is by driving mechanism with battery core 10 move together;And
Positioning component comprising two automatic spacing blocks 60, the auto-extending before battery core 10 reaches designated position.
The upper and lower insulating film 300 of volume two is used for while being fed;Upper and lower two rubberizing face cross material rollers 304 make insulating film 300 keep Some tension does not generate fold and bubble convenient for insulating film 300 when contacting the head of battery core 10;Upper and lower two back-adhesive surface punishments in advance Roller 306 can guide insulating film 300 and enter pad pasting roller 402 also for making insulating film 300 keep tension.
Upper and lower two pad pasting rollers 402 are after battery core 10 reaches pad pasting position so that and insulating film 300 enters with battery core 10, Battery core gradually attaches insulating film 300 on 10 big face;Two cutters 400 of upper and lower are for the insulation between two battery cores 10 before and after segment Film 300, the bottom for the patch battery core 10 of insulating film 300 of next station are prepared.
Shift fork is cut somebody's hair 502 pushes to pad pasting position by front and back two battery core 10 by guide roller 504 respectively according to certain rhythm It sets and its lower station, subsequent shift fork is cut somebody's hair 502 backhauls again, and a circulation action is completed;Upper and lower sucker 500 is suspended on insulating film 300 tops, sucker 500 is moved with battery core 10 up and down for driving mechanism drive, and upper and lower sucker 500 adsorbs 10 both sides of battery core and bottom The hanging insulating film edge strip in portion, controls that hanging insulating film edge strip is not sagging to be drooped on 10 shell of battery core and insulating film 300.? In the embodiments of the present invention, used driving mechanism is the linear motor on guide rail 506.It is hanging exhausted in order to ensure The fixation problem of velum, upper and lower sucker 500 and shift fork cut somebody's hair 502 during pasting 10 big face of battery core synchronization action.
The auto-extending before battery core 10 reaches specified station of automatic spacing block 60, positions in grain direction to battery core 10, To ensure by the accuracy of the length dimension of the insulating film 300 of 400 blank of cutter.
In conjunction with can be seen that compared with the existing technology to the detailed description of the utility model embodiment above, this practicality Novel power battery can effectively solve the problem that the problem of 10 aluminum hull of battery core insulation retardance waterproof, and power battery film sticking apparatus passes through up and down The insulating films 300 of volume two are fed and execute coating action in different station simultaneously, solve pad pasting station hyperpraxia and behavior aggregate The problems in, the coating production capacity of battery is significantly improved, the fraction defective that reloads of coating is greatly reduced.
According to the disclosure and teachings of the above specification, the utility model those skilled in the art can also be to above-mentioned reality The mode of applying carries out change and modification appropriate.Therefore, the utility model is not limited to specific implementation disclosed and described above Mode should also be as falling into the protection scope of the claims of the present utility model to some modifications and changes of the utility model. In addition, although having used some specific terms in this specification, these terms are merely for convenience of description, not to this reality With novel composition any restrictions.

Claims (10)

1. a kind of power battery, including:
Battery core;And
Two panels insulating film is fitted in respectively on two big faces of battery core;
Extend it is characterized in that, every insulating film includes the big face insulating film fitted on the big face of battery core, arrogant face insulating film Two side strips, the arrogant face insulating film of battery core both sides extend top margin item and the extension of arrogant face insulating film at the top of battery core Go out the skirt rail of battery core bottom, two skirt rails fit on the bottom surface of battery core, and two side strips for being located at battery core the same side paste Together on the same side of battery core, skirt rail is equipped with sealed end, and sealed end fits on side strip.
2. power battery according to claim 1, which is characterized in that the sealed end includes that the first sealing and second are close Envelope portion, the second sealing are connected with side strip, and sheared edge is offered between the first sealing and the second sealing.
3. power battery according to claim 2, which is characterized in that the sheared edge is "=" shape.
4. power battery according to claim 2, which is characterized in that first sealing and the second sealing are rolled over respectively It is folded to fit on side strip, and the second sealing is held between the first sealing and side strip.
5. power battery according to claim 1, which is characterized in that the battery core is equipped with lamina tecti, and top margin item folds Fit in the outer edge of lamina tecti.
6. power battery according to claim 1, which is characterized in that the maximum gauge of the battery core side insulation film is 5 Layer.
7. power battery according to claim 1, which is characterized in that be located at the width of two side strips of battery core the same side The sum of be more than battery core side width.
8. a kind of power battery film sticking apparatus being used to prepare the power battery described in any one of claim 1 to 7, feature It is, including:
Supply assembly includes the insulating films of volume two and its support shaft positioned at battery core both sides, two rubberizing face cross material rollers and two back ofs the body Glue surface cross material roller;
Pad pasting component includes two pad pasting rollers and two cutters positioned at battery core both sides;
Component is pushed, including former and later two shift forks are cut somebody's hair, upper and lower sucker and guide roller, shift fork, which is cut somebody's hair, respectively leads to front and back two battery core It crosses guide roller and pushes to pad pasting position and its lower station, upper and lower sucker is suspended on above insulating film and adsorbs battery core both sides and bottom Hanging insulating film, upper and lower sucker are moved by driving mechanism with battery core;And
Positioning component, including two automatic spacing blocks, limited block auto-extending before battery core reaches designated position.
9. power battery film sticking apparatus according to claim 8, which is characterized in that sucker and the shift fork up and down are cut somebody's hair Synchronization action during the big mask of battery core.
10. power battery film sticking apparatus according to claim 8, which is characterized in that keep tension on the insulating film.
CN201820258942.3U 2017-05-19 2018-02-14 Power battery and its film sticking apparatus Active CN208078103U (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201720560679 2017-05-19
CN2017205606799 2017-05-19

Publications (1)

Publication Number Publication Date
CN208078103U true CN208078103U (en) 2018-11-09

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CN201820258942.3U Active CN208078103U (en) 2017-05-19 2018-02-14 Power battery and its film sticking apparatus

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109529483A (en) * 2018-12-28 2019-03-29 佛山市顺德区阿波罗环保器材有限公司 Filter element, air filtering assembly and automotive air-conditioning system
CN109904353A (en) * 2019-01-31 2019-06-18 欣旺达电子股份有限公司 The coating method and rectangular lithium ion battery of coat insulating film
CN113823804A (en) * 2021-08-26 2021-12-21 上海兰钧新能源科技有限公司 Battery insulating film coating process
CN115566375A (en) * 2022-11-11 2023-01-03 深圳海润新能源科技有限公司 Energy storage device and electric device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109529483A (en) * 2018-12-28 2019-03-29 佛山市顺德区阿波罗环保器材有限公司 Filter element, air filtering assembly and automotive air-conditioning system
CN109529483B (en) * 2018-12-28 2021-04-13 佛山市顺德区阿波罗环保器材有限公司 Filter element, air filtering assembly and automobile air conditioning system
CN109904353A (en) * 2019-01-31 2019-06-18 欣旺达电子股份有限公司 The coating method and rectangular lithium ion battery of coat insulating film
CN113823804A (en) * 2021-08-26 2021-12-21 上海兰钧新能源科技有限公司 Battery insulating film coating process
CN115566375A (en) * 2022-11-11 2023-01-03 深圳海润新能源科技有限公司 Energy storage device and electric device
CN115566375B (en) * 2022-11-11 2023-03-10 深圳海润新能源科技有限公司 Energy storage device and electric device
US11870102B1 (en) 2022-11-11 2024-01-09 Shenzhen Hithium Energy Storage Technology Co., Ltd. Energy storage device and electronic device

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