CN109921084A - Laminating method and laminating equipment - Google Patents
Laminating method and laminating equipment Download PDFInfo
- Publication number
- CN109921084A CN109921084A CN201910181521.4A CN201910181521A CN109921084A CN 109921084 A CN109921084 A CN 109921084A CN 201910181521 A CN201910181521 A CN 201910181521A CN 109921084 A CN109921084 A CN 109921084A
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- Prior art keywords
- pole piece
- group
- diaphragm
- piece group
- battery core
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Classifications
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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
A kind of laminating method comprising following steps: S1: the first pole piece group and the second pole piece group are provided, wherein the first, second pole piece group includes at least two first, second pole piece arranged in the first direction；S2: diaphragm is provided；S3: the first pole piece group is carried on the diaphragm；S4: the diaphragm is covered into the first pole piece group；S5: the second pole piece group is carried on the diaphragm；S6: the diaphragm is covered into the second pole piece group；S7: step S3 to S6 is repeated until lamination is completed, to obtain battery core group；S8: the battery core group is cut, to obtain single battery core.The invention further relates to a kind of laminating equipments.Compared to the prior art, laminating method and laminating equipment of the present invention replace the lamination process of previous monolithic pole piece, and the efficiency of lamination is greatly improved.
Description
Technical field
The present invention relates to a kind of laminating method and laminating equipments, belong to automatic battery equipment technical field.
Background technique
Z-shaped laminated batteries technology on the market generally uses and first transports a piece of battery pole piece to lamination stacking table at present；Then,
Diaphragm completes Z-shaped deflecting under mechanism effect；Then, then a piece of pole piece is transported, and so on, completes the lamination of entire battery core.
Battery core is after the completion of lamination, the final encapsulated blanking of battery core.However, above-mentioned this method needs repeatedly to transport monolithic pole piece back and forth,
Lamination once can be only done the manufacture of single battery core, and cell lamination production capacity is lower.
Summary of the invention
The purpose of the present invention is to provide a kind of higher laminating method of efficiency and laminating equipments.
To achieve the above object, the present invention adopts the following technical scheme: a kind of laminating method comprising following steps:
S1: providing the first pole piece group and the second pole piece group, wherein the first pole piece group includes arranging along first direction
At least two first pole pieces, the second pole piece group include along the first direction arrangement at least two second pole pieces；Institute
Stating one of the first pole piece and second pole piece is cathode sheets, and another kind is anode strip；
S2: diaphragm is provided；
S3: the first pole piece group is carried on the diaphragm；
S4: by the first pole piece group in the diaphragm covering step S3；
S5: the second pole piece group is carried on the diaphragm, and is stacked in the top of the first pole piece group；
S6: by the second pole piece group in the diaphragm covering step S5；
S7: step S3 to S6 is repeated until lamination is completed, to obtain battery core group；
S8: the battery core group is cut, to obtain single battery core.
Technical solution as a further improvement of that present invention, in step sl, correspond to one group described in diaphragm, described first
Pole piece group and the second pole piece group are spaced setting on the second direction perpendicular to the first direction.
Technical solution as a further improvement of that present invention, in step sl, the first pole piece group and second pole
Single pole piece in piece group is rectified a deviation through deviation correction mechanism, and the deviation correction mechanism can be realized the X-direction to the single pole piece, the side Y
To and around Z-direction rotation direction be adjusted.
Technical solution as a further improvement of that present invention, the deviation correction mechanism include correction platform, mechanical arm and inspection
Survey mechanism；When the testing agency detects that pole piece position and setting position there are after deviation, are adjusted automatically by the mechanical arm
The whole pole piece X-direction, the distance of Y-direction and the rotation angle around Z-direction.
Technical solution as a further improvement of that present invention, the deviation correction mechanism include correction plate, are located at the correction plate
Lower section correction actuator and positioned at it is described correction plate top testing agency；Described in being detected when the testing agency
Pole piece position and setting position on correction plate pass through and the correction actuator are driven to automatically adjust the correction there are after deviation
The position of plate, to adjusting the pole piece on the correction plate to setting position.
Technical solution as a further improvement of that present invention is adjusted more through rectifying a deviation in step S3 and step S5
Between a pole piece is adjusted through pole piece grasping mechanism between each pole piece in the first pole piece group and the second pole piece group
Away from.
Technical solution as a further improvement of that present invention, the pole piece grasping mechanism are pitch-changing mechanism, are entangled for adsorbing
Pole piece after being biased to position；The pitch-changing mechanism includes mounting plate, sucker and adjusting driving mechanism, wherein the sucker is more
Lower section a and that the mounting plate is set, for adsorbing the pole piece；The sucker is set to the adjusting driving mechanism
Adjustable side；It is acted by the adjusting driving mechanism, the spacing between energy each sucker of adjust automatically, so as to automatically adjust each pole
Spacing between piece.
Technical solution as a further improvement of that present invention, multiple poles in step S3 and step S5, after displacement
Piece can be synchronized to be carried on the diaphragm.
Technical solution as a further improvement of that present invention further includes following steps between step S7 and step S8:
S71: by the battery core group through hot pressing mechanism hot pressing.
Technical solution as a further improvement of that present invention, in step sl, the first pole piece group include several first
Pole piece, wherein first pole piece is at least arranged along the first direction and along the second direction perpendicular to the first direction
It is classified as two rows；Each described first pole piece is equipped with the first tab；In this second direction, adjacent two first pole
Ear it is contrary；
The second pole piece group includes several second pole pieces, wherein second pole piece is along the first direction and described
Second direction is at least arranged as two rows；Each described second pole piece is equipped with the second tab；In this second direction, adjacent
Two second tabs it is contrary.
Technical solution as a further improvement of that present invention, in step sl, in this second direction, adjacent two
First tab mutually staggers；In this second direction, adjacent two second tabs mutually stagger.
Technical solution as a further improvement of that present invention, in step sl, each described first pole piece are equipped with first
Tab, each described second pole piece are equipped with the second tab；In step s 8, after lamination, the single battery core includes institute
The first tab and second tab are stated, wherein first tab and second tab are located at the single battery core
The same side or be located at the two sides of the single battery core.
The invention further relates to a kind of laminating equipments, and to implement above-mentioned laminating method, the laminating equipment includes pole
Piece grasping mechanism, diaphragm driving mechanism, deviation correction mechanism and cutting mechanism, in which:
The pole piece grasping mechanism is to be carried to the diaphragm for the first pole piece group and the second pole piece group
On；
The diaphragm driving mechanism makes the diaphragm is covered the first pole piece group and the second pole piece group
Adjacent the first pole piece group is separated with the second pole piece group by the diaphragm；
The deviation correction mechanism can be realized the X-direction to single pole piece, Y-direction and carry out around the direction of Z-direction rotation
It adjusts；
The cutting mechanism is to be divided into single battery core for the battery core group.
Compared to the prior art, laminating method and laminating equipment of the present invention replace the lamination process of previous monolithic pole piece,
The efficiency of lamination is greatly improved.
Detailed description of the invention
Fig. 1 is the arrangement schematic diagram of the first, second pole piece group in first embodiment.
Fig. 2 is the main view that the first, second pole piece group in Fig. 1 is realized to the battery core group formed after Z-shaped lamination with diaphragm.
Fig. 3 is the top view of Fig. 2, wherein designating cutting line.
Fig. 4 is the schematic diagram of single battery core after being cut.
Fig. 5 is the arrangement schematic diagram of the first, second pole piece group in second embodiment.
Fig. 6 is the main view that the first, second pole piece group in Fig. 5 is realized to the battery core group formed after Z-shaped lamination with diaphragm.
Fig. 7 is the top view of Fig. 6, wherein designating cutting line.
Fig. 8 is the schematic diagram of single battery core after being cut.
Fig. 9 is the schematic diagram of the correction platform to single pole piece positional deviation correction.
Figure 10 is the top view removed after Tu9Zhong testing agency, wherein being adjusted with the position that arrow designates single pole piece
Direction.
Figure 11 is the schematic diagram multiple pole piece spacing are realized with the pitch-changing mechanism adjusted.
Specific embodiment
It please join shown in Fig. 1 to Figure 11, present invention discloses a kind of laminating methods comprising following steps:
S1: the first pole piece group 1 and the second pole piece group 2 are provided, wherein the first pole piece group 1 includes along first direction A-
At least two first pole pieces 11 of A arrangement, the second pole piece group 2 include along at least two second of first direction A-A arrangement
Pole piece 21.It please join shown in Fig. 1, several first pole pieces 11 are spaced setting on A-A in a first direction, and several second pole pieces 21 are first
Also interval setting on the A-A of direction.First pole piece 11 is equipped with the first tab 111, and the second pole piece 21 is equipped with the second tab 211, and the
One tab 111 and the second tab 211 are outwardly.
In one embodiment of the invention, the first pole piece 11 is anode strip；Correspondingly, the first pole piece group 1 is anode
Piece group；At the same time, the second pole piece 21 is cathode sheets；Correspondingly, the second pole piece group 2 is cathode sheets group.It will be appreciated, of course, that
In other embodiments, the first pole piece 11 or cathode sheets, at this point, the second pole piece 21 is anode strip.
S2: diaphragm 3 is provided；
S3: the first pole piece group 1 is carried on the diaphragm 3；
S4: by the first pole piece group 1 in the 3 covering step S3 of diaphragm；
S5: the second pole piece group 2 is carried on the diaphragm 3, and is stacked in the top of the first pole piece group 1；
S6: by the second pole piece group 1 in the 3 covering step S5 of diaphragm；
S7: step S3 to S6 is repeated until lamination is completed, to obtain battery core group 100；
S8: battery core group 100 is cut to obtain single battery core 101.
It should be noted that step S1 and step S2 be regardless of sequence, i.e., whichever is preceding or simultaneously, and being all can be with
's.
Preferably, in step S6 and step S6, the diaphragm 3 is completed into Z-shaped deflecting to cover corresponding pole piece group.
Fig. 1 to Fig. 4 is the schematic diagram of laminating method of the invention in one embodiment.Wherein, correspond to one group every
Film 3, the first pole piece group 1 and the second pole piece group 2 are on the second direction B-B perpendicular to the first direction A-A
Interval setting, i.e., the described first pole piece group 1 are spaced a distance with the second pole piece group 2.After lamination, single battery core
101 the first tab 111 and the second tab 211 are located at opposite two sides.Preferably, after lamination, the first pole piece group 1
It is mutually aligned on lamination direction with the second pole piece group 2.
Fig. 5 to Fig. 8 is the schematic diagram of laminating method of the invention in another embodiment, and difference is will be multiple
First pole piece 11 and the second pole piece 21 press the first direction A-A and the second direction perpendicular to the first direction A-A
B-B is arranged at least two rows of pole piece groups, wherein on the second direction B-B, first tab 111 of adjacent two
It is contrary and mutually stagger, it second tab 211 of adjacent two contrary and mutually staggers.All tabs are equal
Outwardly, specific lamination process is same as above, and details are not described herein.So set, two tabs of lamination the latter battery core is avoided to generate
Interference.After lamination, the first tab 111 and the second tab 211 of single battery core 101 are located at the same side.Compared to Fig. 1 to figure
The embodiment of 4 embodiment, Fig. 5 to Fig. 8 can be realized the lamination of multiple lines and multiple rows, improve lamination efficiency.
In step sl, in illustrative embodiments of the present invention, the first pole piece group 1 includes four the first pole pieces 11, the
Two pole piece groups 2 include four the second pole pieces 21.First pole piece group 1 is entangled with the single pole piece in the second pole piece group 2 through deviation correction mechanism 4
Partially, which may be implemented the X-direction to single pole piece, Y-direction and is adjusted around the direction of Z-direction rotation.Through
Multiple first pole pieces 11 adjusted of rectifying a deviation are adjusted with multiple second pole pieces 21 through pole piece grasping mechanism, make the first pole piece group 1 with
Spacing in second pole piece group 2 between each pole piece reaches the technique requirement of setting.
It please join shown in Fig. 9 and Figure 10, in illustrative embodiments of the present invention, deviation correction mechanism 4 includes correction platform 41, machine
Tool arm (not shown) and testing agency 42.Preferably, the testing agency 42 is CCD vision system.When testing agency 42 examines
Pole piece position and setting position are measured there are after deviation, by the mechanical arm adjust automatically pole piece X-direction, the distance of Y-direction and
Around the rotation angle of Z-direction.Certainly, in other embodiments, the deviation correction mechanism 4 may include correction plate, positioned at described
Correction actuator below correction plate and the testing agency 42 above correction plate etc..In one embodiment, described
Correction actuator includes moving in the Y direction to adjust correction plate in the mobile X feed screw nut's group of X-direction, for adjusting correction plate
Dynamic Y feed screw nut's group and the servo-actuating device to drive correction plate to rotate around Z-direction.In use, by pole piece
It is placed on correction plate；When testing agency 42 detect correction plate on pole piece position and setting position there are after deviation, pass through
The position for driving X feed screw nut's group, Y feed screw nut's group and servo-actuating device automatic adjustment correction plate, to will rectify a deviation on plate
The pole piece on surface is adjusted to setting position.
It please join shown in Figure 11, in illustrative embodiments of the present invention, the pole piece grasping mechanism is pitch-changing mechanism 5, is used
Pole piece after absorption correction in place.The pitch-changing mechanism 5 is including mounting plate 51, sucker 52 and adjusts driving mechanism 53,
In, the sucker 52 is lower sections multiple and that mounting plate 51 is arranged in, for adsorbing pole piece.The sucker 52 is set to adjusting and drives
The adjustable side of motivation structure 53 is acted by adjusting driving mechanism 53, the spacing between energy each sucker 52 of adjust automatically, so as to certainly
The dynamic spacing adjusted between pole piece and pole piece.
Preferably, in step s 2, the diaphragm 3 is arranged on lamination platform.
In step s3, multiple pole pieces after displacement, which can synchronize, is carried on the diaphragm 3；Certainly, in other realities
It applies in mode, the pole piece grasping mechanism also uses mechanical arm, the multiple suckers of lower section setting of the mechanical arm, between the sucker
Spacing is just spacing required between pole piece, distinguishes the single pole piece of snatch by mechanical arm, finally that the pole piece group of absorption is same
Step is carried on the diaphragm 3, and adjustment pole piece spacing equally may be implemented and grab the purpose of pole piece.
In step S4 and S6, the diaphragm 3 can realize Z-shaped deflecting by diaphragm driving mechanism.
In the step s 7, multiple first pole piece groups 1 and multiple second pole piece groups 2 are wrapped up by the same diaphragm 3 and form electricity
Core group 100.Preferably, further include following steps between step S7 and step S8:
S71: by the battery core group 100 through hot pressing mechanism hot pressing.
In step s 8, the cut mechanism of battery core group 100 after being hot pressed is cut, and is finally divided into along cutting line 102
Single battery core 101.The cutting mechanism can be cut using laser or mechanical cutter is cut.Preferably, the cutting line 102 is right
The edge of first pole piece 11 and the second pole piece 21 described in Ying Yu.So set, the significant surface of pole piece can be utilized farthest
Product.
Compared to the prior art, laminating method of the invention replaces the lamination process of previous monolithic pole piece, increases substantially
The lamination efficiency of laminating equipment.By testing agency 42, the degree of registration of cell lamination is improved.
The invention further relates to the laminating equipments that one kind can implement above-mentioned laminating method comprising lamination as described above is flat
Platform, pole piece grasping mechanism, diaphragm driving mechanism, deviation correction mechanism 4, hot pressing mechanism, cutting mechanism etc..
Above embodiments are merely to illustrate the present invention and not limit the technical scheme described by the invention, to this specification
Understanding should be based on person of ordinary skill in the field, such as to "front", "rear", "left", "right", "upper", "lower"
The description of isotropy, although this specification is referring to the above embodiments, the present invention has been described in detail, this
Field it is to be appreciated by one skilled in the art that person of ordinary skill in the field still can modify to the present invention or
Equivalent replacement, and all do not depart from the technical solution and its improvement of the spirit and scope of the present invention, should all cover of the invention
In scope of the claims.
Claims (13)
1. a kind of laminating method comprising following steps:
S1: providing the first pole piece group and the second pole piece group, wherein the first pole piece group include it is arranged in the first direction extremely
Few two the first pole pieces, the second pole piece group include at least two second pole pieces along first direction arrangement；Described
One of one pole piece and second pole piece are cathode sheets, and another kind is anode strip；
S2: diaphragm is provided；
S3: the first pole piece group is carried on the diaphragm；
S4: by the first pole piece group in the diaphragm covering step S3；
S5: the second pole piece group is carried on the diaphragm, and is stacked in the top of the first pole piece group；
S6: by the second pole piece group in the diaphragm covering step S5；
S7: step S3 to S6 is repeated until lamination is completed, to obtain battery core group；
S8: the battery core group is cut, to obtain single battery core.
2. laminating method as described in claim 1, it is characterised in that: in step sl, described corresponding to diaphragm described in one group
First pole piece group and the second pole piece group are spaced setting on the second direction perpendicular to the first direction.
3. laminating method as described in claim 1, it is characterised in that: in step sl, the first pole piece group and described the
Single pole piece in two pole piece groups is rectified a deviation through deviation correction mechanism, the deviation correction mechanism can be realized the X-direction to the single pole piece,
Y-direction and around Z-direction rotation direction be adjusted.
4. laminating method as claimed in claim 3, it is characterised in that: the deviation correction mechanism include correction platform, mechanical arm with
And testing agency；When the testing agency detect pole piece position and setting position there are after deviation, by the mechanical arm from
It is dynamic to adjust the pole piece X-direction, the distance of Y-direction and the rotation angle around Z-direction.
5. laminating method as claimed in claim 3, it is characterised in that: the deviation correction mechanism is entangled including correction plate, positioned at described
Rectify a deviation actuator and the testing agency positioned at the top of the correction plate of the lower section of inclined plate；When the testing agency detects
Pole piece position and setting position on the correction plate are there are after deviation, by driving described in the correction actuator automatically adjusts
The position of correction plate, to adjusting the pole piece on the correction plate to setting position.
6. laminating method as claimed in claim 3, it is characterised in that: in step S3 and step S5, after correction adjustment
Multiple pole pieces adjusted through pole piece grasping mechanism between each pole piece in the first pole piece group and the second pole piece group
Spacing.
7. laminating method as claimed in claim 6, it is characterised in that: the pole piece grasping mechanism is pitch-changing mechanism, for inhaling
Pole piece after attached correction in place；The pitch-changing mechanism includes mounting plate, sucker and adjusting driving mechanism, wherein the sucker
Be it is multiple and the lower section of the mounting plate is set, for adsorbing the pole piece；The sucker is set to the adjusting driving machine
The adjustable side of structure；It is acted by the adjusting driving mechanism, the spacing between energy each sucker of adjust automatically, so as to automatically adjust
Spacing between each pole piece.
8. laminating method as claimed in claim 7, it is characterised in that: more after displacement in step S3 and step S5
A pole piece can be synchronized to be carried on the diaphragm.
9. laminating method as described in claim 1, it is characterised in that: further include walking between step S7 and step S8 as follows
It is rapid:
S71: by the battery core group through hot pressing mechanism hot pressing.
10. laminating method as described in claim 1, it is characterised in that: in step sl, the first pole piece group includes several
First pole piece, wherein first pole piece along the first direction and along perpendicular to the first direction second direction extremely
It is arranged as two rows less；Each described first pole piece is equipped with the first tab；In this second direction, adjacent two described
One tab it is contrary；
The second pole piece group includes several second pole pieces, wherein second pole piece is along the first direction and described second
Direction is at least arranged as two rows；Each described second pole piece is equipped with the second tab；In this second direction, adjacent two
A second tab it is contrary.
11. laminating method as claimed in claim 10, it is characterised in that: in step sl, in this second direction, adjacent
Two first tabs mutually stagger；In this second direction, adjacent two second tabs mutually stagger.
12. laminating method as described in claim 1, it is characterised in that: in step sl, each described first pole piece is equipped with
First tab, each described second pole piece are equipped with the second tab；In step s 8, after lamination, the single battery core packet
First tab and second tab are included, wherein first tab and second tab are located at individually described
The same side of battery core or the two sides for being located at the single battery core.
13. a kind of laminating equipment, it is characterised in that: to implement the lamination as described in any one of claim 1 to 12
Method, the laminating equipment include pole piece grasping mechanism, diaphragm driving mechanism, deviation correction mechanism and cutting mechanism, in which:
The pole piece grasping mechanism is the first pole piece group and the second pole piece group to be carried on the diaphragm；
The diaphragm driving mechanism makes adjacent the diaphragm is covered the first pole piece group and the second pole piece group
The first pole piece group separated with the second pole piece group by the diaphragm；
The deviation correction mechanism can be realized the X-direction to single pole piece, Y-direction and be adjusted around the direction of Z-direction rotation；
The cutting mechanism is to be divided into single battery core for the battery core group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910181521.4A CN109921084A (en) | 2019-03-11 | 2019-03-11 | Laminating method and laminating equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910181521.4A CN109921084A (en) | 2019-03-11 | 2019-03-11 | Laminating method and laminating equipment |
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| Publication Number | Publication Date |
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| CN109921084A true CN109921084A (en) | 2019-06-21 |
Family
ID=66964132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910181521.4A Pending CN109921084A (en) | 2019-03-11 | 2019-03-11 | Laminating method and laminating equipment |
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| CN (1) | CN109921084A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110534814A (en) * | 2019-08-28 | 2019-12-03 | 大同新成新材料股份有限公司 | A kind of double battery core method for producing of lithium battery lamination machine |
| CN112909349A (en) * | 2021-02-03 | 2021-06-04 | 广东亿鑫丰智能装备股份有限公司 | Multi-station die stacking method |
| CN113093051A (en) * | 2021-03-31 | 2021-07-09 | 蜂巢能源科技有限公司 | Short circuit detection method of laminated lithium ion battery cell and battery cell unit rejection method |
| WO2022033022A1 (en) * | 2020-08-11 | 2022-02-17 | 深圳市光大激光科技股份有限公司 | Lithium battery cell multi-sheet lamination apparatus and lamination method |
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| CN112909349A (en) * | 2021-02-03 | 2021-06-04 | 广东亿鑫丰智能装备股份有限公司 | Multi-station die stacking method |
| CN113093051A (en) * | 2021-03-31 | 2021-07-09 | 蜂巢能源科技有限公司 | Short circuit detection method of laminated lithium ion battery cell and battery cell unit rejection method |
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Application publication date: 20190621 |