CN103700885B - Laminating machine and laminating method thereof - Google Patents

Laminating machine and laminating method thereof Download PDF

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Publication number
CN103700885B
CN103700885B CN201310703834.4A CN201310703834A CN103700885B CN 103700885 B CN103700885 B CN 103700885B CN 201310703834 A CN201310703834 A CN 201310703834A CN 103700885 B CN103700885 B CN 103700885B
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China
Prior art keywords
barrier film
rotating machine
machine arm
positive plate
negative plate
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CN201310703834.4A
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Chinese (zh)
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CN103700885A (en
Inventor
阳如坤
魏宏生
黄梅宝
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深圳市吉阳自动化科技有限公司
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Priority to CN201310703834.4A priority Critical patent/CN103700885B/en
Publication of CN103700885A publication Critical patent/CN103700885A/en
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Publication of CN103700885B publication Critical patent/CN103700885B/en

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    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/04Construction or manufacture in general
    • H01M10/0404Machines for assembling batteries
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/058Construction or manufacture
    • H01M10/0585Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
    • 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

Abstract

The present invention relates to field of lithium battery lamination, it is provided that a kind of laminating machine and laminating method thereof。Wherein laminating method is: set the first barrier film and the second barrier film respectively in laminating machine top and bottom, and the blanking simultaneously of the barrier film at two ends is between rotating machine arm, and its end stacks laminating;By rotating machine arm, positive plate and negative plate are drawn onto two barrier films after blanking from secondary positioning table simultaneously;First folder cutter barrier film of positive plate, negative plate being ined succession revolves turnback together and is wound lamination, and circulates repeatedly。The present invention improves lamination speed, improves production efficiency and the quality of production of laminating machine。

Description

Laminating machine and laminating method thereof

[technical field]

The present invention relates to lithium battery lamination technical field, particularly relate to a kind of laminating machine and laminating method thereof。

[background technology]

In lithium ion battery lamination field, the lamination process that current laminating machine adopts is: lamination stacking table drives barrier film to move left and right, and moves again to positive pole lamination after having folded a piece of negative plate, and such circulation, to setting the number of plies, is then cut off barrier film, and finish up rubberizing。The lamination speed of existing this mode between 1.4-2.0s/pcs, can only be difficult to have higher efficiency to break through according to pole piece size。

The art problem demanding prompt solution it is had the drawback that existing for the prior art in consideration of it, overcome。

[summary of the invention]

The technical problem to be solved in the present invention is to provide a kind of laminating machine that improve lamination speed and laminating method thereof。

The present invention adopts the following technical scheme that

A kind of laminating machine, for lithium ion battery lamination, described laminating machine includes the first rotating machine arm (1), the second rotating machine arm (2), first time positioning table (4), second time positioning table (5) and the first folder cutter (3);

In described laminating machine, the erecting device of the first barrier film (8) it is provided with at the first rotating machine arm (1) and the second rotating machine arm (2) upper end, the erecting device of the second barrier film (9) it is provided with at the first rotating machine arm (1) and the second rotating machine arm (2) lower end, first barrier film (8) blanking downwards continuously is between the first rotating machine arm (1) and the second rotating machine arm (2), and the second barrier film (9) is continuously to loading and unloading between the first rotating machine arm (1) and the second rotating machine arm (2);Wherein,

Positive plate (10) or negative plate (11) are drawn onto blanking to first barrier film (8) of this side from first time positioning table (4) by the first rotating machine arm (1);

Negative plate (11) or positive plate (10) are drawn onto blanking to second barrier film (9) of this side from second time positioning table (5) by the second rotating machine arm (2);

Described laminating machine is in lamination process, and the end of the first barrier film (8) and the second barrier film (9) stacks and fit into one;

Being provided with a pair first folders cutter (3) between the first rotating machine arm (1) and the second rotating machine arm (2), the first folder cutter (3) barrier film of positive plate (10), negative plate (11) being ined succession revolves turnback together and is wound lamination。

Further, described laminating machine is when starting lamination, first barrier film (8) and the second barrier film (9) blanking simultaneously are between the first rotating machine arm (1) and the second rotating machine arm (2), after two barrier films after blanking adsorb positive plate (10) and negative plate (11) respectively simultaneously, proceed by first time spooled laminations。

Further, in described laminating machine, first rotating machine arm (1) inhales that positive plate (10) or negative plate (11) be upper to the first barrier film (8), the second rotating machine arm (2) inhale negative plate (11) or positive plate (10) to the second barrier film (9) and the first folder cutter (3) positive plate (10), negative plate (11) are ined succession barrier film revolve the spooled laminations process of turnback together and continuously perform repeatedly, until stopping after being stacked to the lamination number of plies of setting, described direction of rotation is for turning clockwise or rotating counterclockwise;

Described first folder cutter (3) intermittent rotary, first rotating machine arm (1) and the second rotating machine arm (2) first press from both sides cutter (3) and do not rotate when drawing positive plate (10) and negative plate (11) from first time positioning table (4) and second time positioning table (5), and when the first barrier film (8) and the second barrier film (9) are all adsorbed with positive plate (10) or negative plate (11), first presss from both sides cutter (3) and clamped by positive plate (10) and start rotation。

Further, described laminating machine also includes the second folder cutter (6) and cutting knife (7);

First barrier film (8) both sides of the first rotating machine arm (1) and the second rotating machine arm (2) upper end are provided with the second folder cutter (6) and cutting knife (7), and the second barrier film (9) both sides of the first rotating machine arm (1) and the second rotating machine arm (2) lower end also are provided with the second folder cutter (6) and cutting knife (7);

Lamination presss from both sides cutter (6) by two pairs second after completing and clamps the barrier film of top and bottom respectively, is cut off the barrier film of top and bottom, negative plate (11) and barrier film by two cutting knifes (7) respectively and positive plate (10) is realized parcel, paste terminal adhesive tape。

Further, described laminating machine does not cut off barrier film in lamination process, and its positive plate adopted (10) and negative plate (11) are the monolithic of cut-out。

Present invention also offers a kind of laminating method, for lithium ion battery lamination, comprise the steps:

Step A: set the first barrier film at the first rotating machine arm and the second rotating machine arm upper end, the second barrier film is set at the first rotating machine arm and the second rotating machine arm lower end, the blanking simultaneously of the barrier film at two ends is between the first rotating machine arm and the second rotating machine arm, and the end of the first barrier film and the second barrier film stacks and fit into one;

Step B: positive plate and negative plate be drawn onto the first barrier film after blanking and the second barrier film from first time positioning table and second time positioning table respectively through the first rotating machine arm and the second rotating machine arm, or negative plate and positive plate being drawn onto the first barrier film after blanking from first time positioning table and second time positioning table and the second barrier film respectively through the first rotating machine arm and the second rotating machine arm, the first folder cutter barrier film of positive plate, negative plate being ined succession revolves turnback together and is wound lamination;

Described step B circulates execution repeatedly continuously, until stopping after being stacked to the lamination number of plies of setting。

Further, described direction of rotation is for turning clockwise or rotating counterclockwise;

First folder cutter intermittent rotary, first rotating machine arm and the second rotating machine arm first press from both sides cutter and do not rotate when drawing positive plate and negative plate from first time positioning table and second time positioning table, and when the first barrier film and the second barrier film are all adsorbed with positive plate or negative plate, first presss from both sides cutter and start to rotate by positive plate clamping。

Further, also include:

Step C: after lamination completes, is pressed from both sides cutter by two pairs second and clamps the barrier film of top and bottom respectively, cut off the barrier film of top and bottom, negative plate and barrier film by two cutting knifes respectively and positive plate is realized parcel, paste terminal adhesive tape。

Further, lamination process is not cut off barrier film, positive plate and negative plate and be the monolithic of cut-out。

Compared to existing technology, there is advantages that by the first barrier film and the second barrier film from the blanking simultaneously of upper and lower two ends to rotating machine arm between, positive plate and negative plate is placed respectively in barrier film both sides, press from both sides cutter again through first and carry out 180 degree of spooled laminations, spooled laminations process can continuously perform repeatedly, until stopping after being stacked to the setting number of plies, the lamination speed comparing existing laminating machine improves 1-2 times, improves production efficiency and the quality of production of laminating machine。

[accompanying drawing explanation]

Fig. 1 is the first working state figure of laminating machine in the embodiment of the present invention;

Fig. 2 is the second working state figure of laminating machine in the embodiment of the present invention;

Fig. 3 is the 3rd working state figure of laminating machine in the embodiment of the present invention;

Fig. 4 is the 4th working state figure of laminating machine in the embodiment of the present invention;

State diagram when Fig. 5 is that in the embodiment of the present invention, cell lamination completes。

Accompanying drawing labelling is as follows:

1-the first rotating machine arm, 2-the second rotating machine arm,

3-first presss from both sides cutter, 4-first time positioning table,

5-second time positioning table, 6-second presss from both sides cutter,

7-cutting knife, 8-the first barrier film,

9-the second barrier film, 10-positive plate,

11-negative plate。

[detailed description of the invention]

In order to make the purpose of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated。Should be appreciated that specific embodiment described herein is only in order to explain the present invention, is not intended to limit the present invention。

As long as just can be mutually combined additionally, technical characteristic involved in each embodiment of invention described below does not constitute conflict each other。

In order to solve the production efficiency problem of existing laminating machine, embodiments provide a kind of laminating machine, for lithium ion battery lamination。As it is shown in figure 1, this laminating machine includes first rotating machine arm the 1, second rotating machine arm 2, first time positioning table 4, second time positioning table 5 and the first folder cutter 3。

In this laminating machine, the erecting device (not shown) of the first barrier film 8 it is provided with at the first rotating machine arm 1 and the second rotating machine arm 2 upper end, the erecting device of the second barrier film 9 it is provided with at the first rotating machine arm 1 and the second rotating machine arm 2 lower end, first barrier film 8 blanking downwards continuously is between the first rotating machine arm 1 and the second rotating machine arm 2, and the second barrier film 9 is continuously to loading and unloading between the first rotating machine arm 1 and the second rotating machine arm 2。In a preferred embodiment, laminating machine is when starting lamination, first barrier film 8 and the blanking simultaneously of the second barrier film 9 are to, between the first rotating machine arm 1 and the second rotating machine arm 2, after two barrier films after blanking adsorb positive plate 10 and negative plate 11 respectively, proceeding by first time spooled laminations simultaneously。

In the present embodiment, positive plate 10 is drawn onto blanking to the first barrier film 8 of this side from first time positioning table 4 by the first rotating machine arm 1;Negative plate 11 is drawn onto blanking to the second barrier film 9 of this side from second time positioning table 5 by the second rotating machine arm 2;Laminating machine is in lamination process, and the end of the first barrier film 8 and the second barrier film 9 stacks and fit into one;Being provided with a pair first folder cuttves 3 between the first rotating machine arm 1 and the second rotating machine arm 2, the first folder cutter 3 barrier film of positive plate 10, negative plate 11 being ined succession revolves turnback together and is wound lamination。

It is understood that in other embodiments, it is also possible to it is that negative plate 11 is drawn onto blanking to the first barrier film 8 of this side from first time positioning table 4 by the first rotating machine arm 1;Positive plate 10 is drawn onto blanking to the second barrier film 9 of this side from second time positioning table 5 by the second rotating machine arm 2。

In addition, in Fig. 1, the first rotating machine arm 1 and first time positioning table 4 are located at right side, second rotating machine arm 2 and second time positioning table 5 are located at left side, in other embodiments, can also is that the first rotating machine arm 1 and first time positioning table 4 are located at left side, the second rotating machine arm 2 and second time positioning table 5 are located at right side。

Below whole spooled laminations process is illustrated: as it is shown in figure 1, in the laminating machine of the present embodiment offer, the second barrier film 9 blanking simultaneously of upper end the first barrier film 8 and lower end is between the first rotating machine arm 1 and the second rotating machine arm 2, and its end stacks laminating。The first barrier film 9 after blanking and after adsorbing positive plate 10 and negative plate 11 respectively on the second barrier film 10, as in figure 2 it is shown, carry out 180 degree of spooled laminations of first time。Spooled laminations can be turn clockwise, it is also possible to is rotation counterclockwise, and for turning clockwise in the present embodiment, the state after first time spooled laminations dextrorotation turnback is as shown in Figure 3。

In order to be stacked to the setting number of plies, first rotating machine arm 1 inhale with the second rotating machine arm 2 positive plate 10 with on negative plate 11 to barrier film and the first folder cutter 3 positive plate 10, negative plate 11 ined succession spooled laminations process revolving turnback together with barrier film can continuously perform repeatedly, till being laminated to the lamination number of plies of setting。The direction of second time spooled laminations is identical with the direction of first time spooled laminations, and also for turning clockwise, the state after second time spooled laminations is as shown in Figure 4。Laminating machine does not cut off barrier film in lamination process, and positive plate 10 and negative plate 11 that it adopts are the monolithic cut off。

First folder cutter 3 intermittent rotary, first rotating machine arm 1 and the second rotating machine arm 2 first press from both sides cutter 3 and do not rotate when drawing positive plate 10 and negative plate 11 from first time positioning table 5 and second time positioning table 4, and when the first barrier film 8 and the second barrier film 9 are all adsorbed with positive plate 10 or negative plate 11, first presss from both sides cutter 3 and start to rotate by positive plate 10 clamping。

It should be noted that in Fig. 1-Fig. 5, the dotted portion in the first rotating machine arm 1 and the second rotating machine arm 2 represents mechanical hand and adsorbs the kinestate of positive plate 10 and negative plate 11 from secondary positioning table。

Lamination complete after state as shown in Figure 5。Preferably, this laminating machine also includes the second folder cutter 6 and cutting knife 7, first barrier film 8 both sides of the first rotating machine arm 1 and the second rotating machine arm 2 upper end are provided with the second folder cutter 6 and cutting knife 7, and the second barrier film 9 both sides of the first rotating machine arm 1 and the second rotating machine arm 2 lower end also are provided with the second folder cutter 6 and cutting knife 7;Lamination presss from both sides cuttves 6 by two pairs second after completing and clamps the barrier film of top and bottom respectively, is cut off the barrier film of top and bottom, negative plate 11 and barrier film by two cutting knifes 7 respectively and positive plate 10 is realized parcel, finally paste terminal adhesive tape。

The present embodiment additionally provides a kind of laminating method, for lithium ion battery lamination, the work process of the method namely above-mentioned laminating machine, specifically includes following steps:

Step A: set the first barrier film at the first rotating machine arm and the second rotating machine arm upper end, the second barrier film is set at the first rotating machine arm and the second rotating machine arm lower end, the blanking simultaneously of the barrier film at two ends is between the first rotating machine arm and the second rotating machine arm, and the end of the first barrier film and the second barrier film stacks and fit into one;

Step B: positive plate and negative plate be drawn onto the first barrier film after blanking and the second barrier film from first time positioning table and second time positioning table respectively through the first rotating machine arm and the second rotating machine arm, or negative plate and positive plate being drawn onto the first barrier film after blanking from first time positioning table and second time positioning table and the second barrier film respectively through the first rotating machine arm and the second rotating machine arm, the first folder cutter barrier film of positive plate, negative plate being ined succession revolves turnback together and is wound lamination;

In order to be stacked to the number of plies of setting, step B circulates execution repeatedly continuously, until stopping after being stacked to the lamination number of plies of setting。

Direction of rotation can be turn clockwise or rotate counterclockwise, for turning clockwise in the present embodiment。

First folder cutter intermittent rotary, first rotating machine arm and the second rotating machine arm first press from both sides cutter and do not rotate when drawing positive plate and negative plate from first time positioning table and second time positioning table, and when the first barrier film and the second barrier film are all adsorbed with positive plate or negative plate, first presss from both sides cutter and start to rotate by positive plate clamping。

Preferably, the method also includes step C: after lamination completes, and presss from both sides cutter by two pairs second and clamps the barrier film of top and bottom respectively, is cut off the barrier film of top and bottom, negative plate and barrier film by two cutting knifes respectively and positive plate is realized parcel, paste terminal adhesive tape。

In the present embodiment, lamination process is not cut off barrier film, positive plate and negative plate and is the monolithic of cut-out。

In the embodiment above, the structure of the first folder cutter and the second folder cutter is similar, is all provided with two jig arm, the adjoining dimensions of the size of jig arm and positive plate, negative plate in both sides。Mechanical hand inhale positive plate, negative plate to barrier film time first press from both sides cutter and exit lamination position, it is necessary to when rotating lamination, first presss from both sides cutter and enters into lamination position and be wound lamination by two jig arm clamping positive plates and negative plate。

In the laminating machine of the present embodiment offer and laminating method, barrier film is not cut off continuously, and positive plate and negative plate cut into monolithic, and whole lamination process is to press from both sides 180 degree of cutter winding continuously by first to be gathered into folds by positive/negative plate。The lamination speed comparing existing laminating machine improves 1-2 times, improves production efficiency and the quality of production of laminating machine。Experiment proves that, by adopting laminating machine and the laminating method of the present embodiment offer, its production efficiency can reach 0.8-1.2s/pcs, and production capacity can improve 30-50% compared with existing laminating machine。

The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all any amendment, equivalent replacement and improvement etc. made within the spirit and principles in the present invention, should be included within protection scope of the present invention。

Claims (6)

1. a laminating machine, for lithium ion battery lamination, it is characterized in that, described laminating machine includes the first rotating machine arm (1), the second rotating machine arm (2), first time positioning table (4), second time positioning table (5) and the first folder cutter (3);
In described laminating machine, the erecting device of the first barrier film (8) it is provided with at the first rotating machine arm (1) and the second rotating machine arm (2) upper end, the erecting device of the second barrier film (9) it is provided with at the first rotating machine arm (1) and the second rotating machine arm (2) lower end, first barrier film (8) blanking downwards continuously is between the first rotating machine arm (1) and the second rotating machine arm (2), and the second barrier film (9) is continuously to loading and unloading between the first rotating machine arm (1) and the second rotating machine arm (2);Wherein,
Positive plate (10) or negative plate (11) are drawn onto blanking to first barrier film (8) of this side from first time positioning table (4) by the first rotating machine arm (1);
Negative plate (11) or positive plate (10) are drawn onto blanking to second barrier film (9) of this side from second time positioning table (5) by the second rotating machine arm (2);
Being provided with a pair first folders cutter (3) between the first rotating machine arm (1) and the second rotating machine arm (2), the first folder cutter (3) barrier film of positive plate (10), negative plate (11) being ined succession revolves turnback together and is wound lamination;
Described laminating machine is when starting lamination, first barrier film (8) and the second barrier film (9) blanking simultaneously are between the first rotating machine arm (1) and the second rotating machine arm (2), and the end of the first barrier film (8) and the second barrier film (9) stacks and fit into one;
After two barrier films after blanking adsorb positive plate (10) and negative plate (11) respectively simultaneously, proceed by first time spooled laminations;
First rotating machine arm (1) inhales that positive plate (10) or negative plate (11) be upper to the first barrier film (8), the second rotating machine arm (2) inhale negative plate (11) or positive plate (10) to the second barrier film (9) and the first folder cutter (3) positive plate (10), negative plate (11) are ined succession barrier film revolve the spooled laminations process of turnback together and continuously perform repeatedly, until stopping after being stacked to the lamination number of plies of setting, described direction of rotation is for turning clockwise or rotating counterclockwise;
Described first folder cutter (3) intermittent rotary, first rotating machine arm (1) and the second rotating machine arm (2) first press from both sides cutter (3) and do not rotate when drawing positive plate (10) and negative plate (11) from first time positioning table (4) and second time positioning table (5), and when the first barrier film (8) and the second barrier film (9) are all adsorbed with positive plate (10) or negative plate (11), first presss from both sides cutter (3) and clamped by positive plate (10) and start rotation;
It is the monolithic cut off that described laminating machine does not cut off barrier film, described positive plate (10) and negative plate (11) in lamination process。
2. laminating machine as claimed in claim 1, it is characterised in that described laminating machine also includes the second folder cutter (6) and cutting knife (7);
First barrier film (8) both sides of the first rotating machine arm (1) and the second rotating machine arm (2) upper end are provided with the second folder cutter (6) and cutting knife (7), and the second barrier film (9) both sides of the first rotating machine arm (1) and the second rotating machine arm (2) lower end also are provided with the second folder cutter (6) and cutting knife (7);
Lamination presss from both sides cutter (6) by two pairs second after completing and clamps the barrier film of top and bottom respectively, the barrier film of top and bottom is cut off respectively by two cutting knifes (7), positive plate (10) is realized parcel by negative plate (11) and barrier film, pastes terminal adhesive tape。
3. laminating machine as claimed in claim 1 or 2, it is characterised in that described laminating machine does not cut off barrier film in lamination process, and its positive plate adopted (10) and negative plate (11) are the monolithic of cut-out。
4. a laminating method, for lithium ion battery lamination, it is characterised in that comprise the steps:
Step A: set the first barrier film at the first rotating machine arm and the second rotating machine arm upper end, sets the second barrier film at the first rotating machine arm and the second rotating machine arm lower end, and the blanking simultaneously of the barrier film at two ends is between the first rotating machine arm and the second rotating machine arm;
Step B: positive plate and negative plate be drawn onto the first barrier film after blanking and the second barrier film from first time positioning table and second time positioning table respectively through the first rotating machine arm and the second rotating machine arm, or negative plate and positive plate being drawn onto the first barrier film after blanking from first time positioning table and second time positioning table and the second barrier film respectively through the first rotating machine arm and the second rotating machine arm, the first folder cutter barrier film of positive plate, negative plate being ined succession revolves turnback together and is wound lamination;
Described step B circulates execution repeatedly continuously, until stopping after being stacked to the lamination number of plies of setting;
In lamination process, the end of the first barrier film and the second barrier film stacks and fits into one;
Described direction of rotation is for turning clockwise or rotating counterclockwise;
First folder cutter intermittent rotary, first rotating machine arm and the second rotating machine arm first press from both sides cutter and do not rotate when drawing positive plate and negative plate from first time positioning table and second time positioning table, and when the first barrier film and the second barrier film are all adsorbed with positive plate or negative plate, first presss from both sides cutter and start to rotate by positive plate clamping;
Not cutting off barrier film, described positive plate and negative plate in described lamination process is the monolithic cut off。
5. laminating method as claimed in claim 4, it is characterised in that also include:
Step C: after lamination completes, is pressed from both sides cutter by two pairs second and clamps the barrier film of top and bottom respectively, cut off the barrier film of top and bottom, negative plate and barrier film by two cutting knifes respectively and positive plate is realized parcel, paste terminal adhesive tape。
6. the laminating method as described in claim 4 or 5, it is characterised in that do not cut off barrier film, positive plate and negative plate in lamination process and be the monolithic of cut-out。
CN201310703834.4A 2013-12-19 2013-12-19 Laminating machine and laminating method thereof CN103700885B (en)

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