CN114122484B - Pole piece pasting system, lamination machine and pole piece pasting method - Google Patents
Pole piece pasting system, lamination machine and pole piece pasting method Download PDFInfo
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- CN114122484B CN114122484B CN202111217741.1A CN202111217741A CN114122484B CN 114122484 B CN114122484 B CN 114122484B CN 202111217741 A CN202111217741 A CN 202111217741A CN 114122484 B CN114122484 B CN 114122484B
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- Prior art keywords
- pole piece
- strip
- diaphragm
- strip material
- rubberizing
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000003475 lamination Methods 0.000 title claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 105
- 238000005096 rolling process Methods 0.000 claims abstract description 72
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 238000005520 cutting process Methods 0.000 claims abstract description 12
- 238000010030 laminating Methods 0.000 claims abstract description 10
- 239000000853 adhesive Substances 0.000 claims description 23
- 230000001070 adhesive effect Effects 0.000 claims description 23
- 239000003292 glue Substances 0.000 claims description 19
- 238000002955 isolation Methods 0.000 claims description 6
- 238000011144 upstream manufacturing Methods 0.000 claims description 6
- 239000012528 membrane Substances 0.000 claims description 4
- 239000012790 adhesive layer Substances 0.000 claims description 3
- 230000000181 anti-adherent effect Effects 0.000 claims description 3
- 239000011265 semifinished product Substances 0.000 claims description 2
- 239000002390 adhesive tape Substances 0.000 abstract description 4
- 230000009471 action Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010924 continuous production Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- XSBJUSIOTXTIPN-UHFFFAOYSA-N aluminum platinum Chemical compound [Al].[Pt] XSBJUSIOTXTIPN-UHFFFAOYSA-N 0.000 description 1
- WBLJAACUUGHPMU-UHFFFAOYSA-N copper platinum Chemical compound [Cu].[Pt] WBLJAACUUGHPMU-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0404—Machines for assembling batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0468—Compression means for stacks of electrodes and separators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/005—Devices for making primary cells
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention provides a pole piece paster system, a lamination machine and a pole piece paster method, wherein the pole piece paster system comprises: the first pole piece unreeling device is used for unreeling the first pole piece strip; the diaphragm unreeling device is used for unreeling diaphragm strips; the first rubberizing device is used for rubberizing the first pole piece strip material; the first rolling device is used for rolling and laminating the first pole piece strip material and the diaphragm strip material; the first pole piece slicing device is used for cutting off the first pole piece strip. According to the pole piece paster system provided by the invention, the first pole piece strip material is rubberized through the first rubberizing device; the first rolling device rolls and laminates the first pole piece strip material and the diaphragm strip material, and the first pole piece slicing device cuts off the first pole piece strip material reaching the set length before complete lamination to complete the pasting of the first pole piece; the first pole piece is not required to be cut off before the sticking, so that a pole piece carrying mechanism is reduced; the adhesive tape is cut immediately, so that the adhesive tape efficiency is improved, and the enterprise cost is reduced.
Description
Technical Field
The invention relates to the technical field of battery processing, in particular to a pole piece pasting system, a lamination machine and a pole piece pasting method.
Background
The pole piece is an important part of the battery and is divided into a positive pole piece and a negative pole piece; in general, the positive plate is coated with slurry containing lithium ions on aluminum platinum, and the negative plate is coated with slurry containing graphite as a main component on copper platinum; when the battery cell is manufactured, the positive electrode plate and the negative electrode plate are separated by diaphragm paper and then folded into a shape required by the shape, so that the battery cell is formed.
In the prior art, when the battery cell is manufactured, the scattered pole pieces are conveyed to the diaphragm for adhesion after being unreeled and cut by a pole piece belt material, and a conveying mechanism of the scattered pole pieces is required to be equipped; meanwhile, the pole pieces are cut in advance, so that most of the pole pieces are produced discontinuously, the production of the upstream equipment cannot be realized under the condition of no shutdown, the working condition of the downstream equipment is processed, and additional storage space is needed, so that more storage cost is generated.
Disclosure of Invention
The invention provides a pole piece pasting system, a lamination machine and a pole piece pasting method, which are used for solving the defect that in the prior art, pole piece strips are required to be cut in advance and then are required to be conveyed to a diaphragm, and a pole piece conveying mechanism is required.
The invention provides a pole piece paster system, comprising:
the first pole piece unreeling device is used for unreeling the first pole piece strip;
the diaphragm unreeling device is used for unreeling diaphragm strips;
the first rubberizing device is used for rubberizing the first pole piece strip material discharged by the first pole piece unreeling device or the diaphragm strip material discharged by the diaphragm unreeling device, and the rubberizing surface is the opposite surface of the first pole piece strip material and the diaphragm strip material;
the first rolling device is arranged at the downstream of the first rubberizing device and is used for rolling and laminating the first pole piece strip material and the diaphragm strip material;
the first pole piece slicing device is arranged at the upstream of the first rolling device; the first pole piece slicing device is used for cutting off the first pole piece strip material reaching the set length before complete lamination so as to form a semi-finished pole piece;
and the first clamping device is arranged between the first rubberizing device and the first pole piece slicing device and is used for clamping the diaphragm strip and the first pole piece strip to be cut off.
According to the present invention there is provided a pole piece patch system,
the second pole piece unreeling device is used for unreeling second pole piece strips;
the second rubberizing device is used for rubberizing the second pole piece strip material discharged by the second pole piece unreeling device or the diaphragm strip material of the semi-finished pole piece, and the rubberizing surface is the opposite surface of the second pole piece strip material and the diaphragm strip material;
the second rolling device is arranged at the downstream of the second rubberizing device and is used for rolling and laminating the second pole piece strip material and the semi-finished pole piece;
the second pole piece slicing device is arranged at the upstream of the second rolling device and is used for cutting off the second pole piece strip materials reaching the set length before the second pole piece strip materials are completely attached to form finished pole pieces;
the second clamping device is arranged between the second rubberizing device and the second pole piece slicing device and is used for clamping the semi-finished pole piece and the second pole piece belt material to be cut off.
The pole piece patch system provided by the invention further comprises a first guiding device and a second guiding device,
the first guiding device is arranged between the first pole piece unreeling device and the first rubberizing device and is used for guiding the first pole piece strip material;
the second guiding device is arranged between the second pole piece unreeling device and the second rubberizing device and is used for guiding the second pole piece strip materials.
According to the pole piece paster system provided by the invention, one of the first pole piece strip and the second pole piece strip is a positive pole piece strip, and the other is a negative pole piece strip.
According to the pole piece paster system provided by the invention, the first rolling device and the second rolling device comprise at least one group of driving rollers; the corresponding surface of each group of driving rollers is used for realizing rolling; and the surfaces of the driving rollers are provided with anti-sticking layers.
According to the pole piece paster system provided by the invention, the first pole piece unreeling device and the second pole piece unreeling device are arranged on the same side or different sides of the diaphragm unreeling device.
The invention also provides a lamination machine which comprises the pole piece paster system and a folding mechanism, wherein the folding mechanism is arranged at the downstream of the pole piece paster system and is used for folding the pole piece after lamination.
The invention also provides a pole piece pasting method, which comprises the following steps of:
the diaphragm unreeling device discharges diaphragm strips, and the first pole piece unreeling device discharges first pole piece strips;
the first rubberizing device smears adhesive glue on the first pole piece strip material or the diaphragm strip material, and a rubberizing surface is the opposite surface of the first pole piece strip material and the diaphragm strip material;
the first pole piece strip material and the diaphragm strip material are rolled and attached by a first rolling device;
after the first pole piece strip is attached to a set length, cutting off the first pole piece strip by a first pole piece slicing device to form a semi-finished pole piece;
before the first pole piece slicing device cuts off the first pole piece strip, a first clamping device clamps the first pole piece strip and the diaphragm strip; so that the rest of the first pole piece strip material can continuously enter the first rolling device and continuously roll and attach with the diaphragm strip material, and the first pole piece patch is completed in a circulating way.
The pole piece pasting method provided by the invention further comprises the following steps:
after the semi-finished pole piece is formed, the second pole piece unreeling device releases a second pole piece strip material;
the second rubberizing device coats adhesive glue on the second pole piece strip material or the isolation strip material of the semi-finished pole piece, and the joint surface is the opposite surface of the second pole piece strip material and the diaphragm strip material;
the second rolling device is used for rolling and laminating the second pole piece strip material and the semi-finished pole piece; so that the second pole piece strip coated with the adhesive is attached to the isolation strip of the semi-finished pole piece;
after the second pole piece strip is attached to a set length, cutting off the second pole piece strip before complete attachment by a second pole piece slicing device to form a finished pole piece;
a second clamping device clamps the second pole piece strip and the semi-finished pole piece before the second pole piece strip is cut off by the second pole piece slicing device; so that the rest second pole piece strip material continuously enters the second rolling device and continuously is attached to the diaphragm strip material of the semi-finished product, and the second pole piece patch is completed in a circulating way.
According to the pole piece pasting method provided by the invention, when the first rubberizing device and the second rubberizing device paint the pasting glue on the diaphragm belt material, the pasting glue is staggered in equal length or continuously and uninterruptedly.
According to the pole piece pasting system, the lamination machine and the pole piece pasting method provided by the invention, the first pole piece strip material discharged from the first pole piece unreeling device or the diaphragm strip material discharged from the diaphragm unreeling device is pasted through the first rubberizing device; the first rolling device rolls and laminates the first pole piece strip material and the diaphragm strip material, the first pole piece slicing device cuts off the first pole piece strip material reaching the set length before complete lamination to form a semi-finished pole piece, so that the first pole piece does not need to be cut off before lamination, and a pole piece conveying mechanism is reduced; the adhesive tape is cut immediately, so that the adhesive tape efficiency is improved, and the enterprise cost is reduced.
Drawings
In order to more clearly illustrate the invention or the technical solutions of the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a structure in which adhesive glue is smeared on the surface of a pole piece by the pole piece attaching assembly;
FIG. 2 is a schematic diagram of a structure in which adhesive glue is applied to two sides of a diaphragm by the pole piece attaching assembly provided by the invention;
reference numerals:
1: the first pole piece unreeling device; 2: a diaphragm unreeling device; 3: a second pole piece unreeling device;
4: a first rubberizing device; 5: the first pole piece slicing device; 6: a first rolling device;
7: a first guide device; 8: a second rubberizing device; 9: a second pole piece slicing device;
10: a second rolling device; 11: a second guide device; 12: a folding mechanism;
100: carrying out first pole piece belt material; 200: carrying out diaphragm pole piece material; 300: carrying out second pole piece belt material;
13: a first clamping device; 14: and a second clamping device.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The pole piece paster system of the invention is described below with reference to fig. 1 to 2, and embodiment 1 of the invention discloses a pole piece paster system, which comprises a first pole piece unreeling device 1, a diaphragm unreeling device 2, a first rubberizing device 4, a first pole piece slicing device 5 and a first rolling device 6; the first pole piece unreeling device 1 is used for paying out a first pole piece strip 100, and the diaphragm unreeling device 2 is used for paying out a diaphragm strip 200; the first rubberizing device 4 is used for rubberizing the first pole piece strip 100 discharged by the first pole piece unreeling device 1 or the diaphragm strip 200 discharged by the diaphragm unreeling device 2, and the rubberizing surface is the opposite surface of the first pole piece strip 100 and the diaphragm strip 200; the first rolling device 6 is arranged at the downstream of the first rubberizing device 4, and the first rolling device 6 is used for rolling and laminating the first pole piece strip 100 and the diaphragm strip 200; the first pole piece slicing device 5 is positioned at the upstream of the first rolling device 6 and is used for cutting off the first pole piece strip 100 reaching the set length before complete lamination to form a semi-finished pole piece and finishing lamination of the first pole piece; a first clamping device 13 is arranged between the first rubberizing device 4 and the first pole piece device 5 for clamping the membrane strip 200 and the first pole piece strip 100 to be cut.
The first pole piece strip 100 may be a positive pole piece strip or a negative pole piece strip.
In addition, still be provided with first guider 7 between first pole piece unreeling device 1 and first rubberizing device 4, first guider 7 is used for realizing the effect of direction to first pole piece area material 100, avoids first pole piece area material 100 to take place the fold, improves the paster quality.
The first rolling device 6 comprises at least one group of driving rollers, the corresponding surfaces of the two driving rollers are used for realizing rolling, and the surfaces of the driving rollers are provided with anti-adhesive layers, so that the bonding glue is bonded with the driving rollers in the process of bonding the first pole piece strip 100 and the diaphragm strip 200.
The working process of the embodiment 1 of the invention is as follows: the diaphragm strip 200 is unreeled through the diaphragm unreeling device 2, the first rubberizing device 4 smears adhesive on the diaphragm strip 200, meanwhile, the first pole piece strip 100 is unreeled through the first pole piece unreeling device 1 under the action of the first guiding device 7, the diaphragm strip 200 and the first pole piece strip 100 enter the first rolling device 6, and the first pole piece strip 100 smeared with adhesive at the moment is attached with the diaphragm strip 200 through the action of the first rolling device 6; after the first pole piece strip 100 is attached to the set length, the first pole piece slicing device 5 cuts off the first pole piece strip 100 reaching the set length to form a semi-finished pole piece, one unit pole piece patch is completed, before the first pole piece slicing device 5 cuts off the first pole piece strip 100, the first clamping device 13 clamps the first pole piece strip 100 and the diaphragm strip 200, so that the rest of the first pole piece strip 100 continues to enter the first rolling device 6 to be attached to the other section of adhesive of the diaphragm strip 200, and the first pole piece patch can be completed through circulation.
According to the pole piece pasting system disclosed by the embodiment 1 of the invention, the first pole piece strip 100 and the diaphragm strip 200 are pasted and then sliced, so that a pole piece carrying mechanism is reduced, namely the pole piece is pasted immediately after being cut, the pasting efficiency is improved, continuous production is realized, and the enterprise cost is reduced; in addition, adhesive glue is smeared on the surface of the pole piece before the pole piece is wound, so that the accuracy and stability of the patch can be improved; meanwhile, the first guide device 7 can guide the first pole piece strip 100 to enter the first rolling device 6, so that the first pole piece strip 100 can be ensured to smoothly enter the first rolling device 6, the first pole piece strip 100 is prevented from being wrinkled, and the patch quality is improved.
The embodiment 2 of the invention discloses a pole piece paster system, which further comprises a second pole piece unreeling device 3, a second rubberizing device 8, a second clamping device 14, a second pole piece slicing device 9 and a second rolling device 10 on the basis of the embodiment 1, wherein the second pole piece unreeling device 3 is used for paying out a second pole piece strip 300; the second rubberizing device 8 is used for rubberizing the second pole piece strip 300 discharged by the second pole piece unreeling device 3 or the diaphragm strip 200 used for the semi-finished pole piece; the second rolling device 10 is arranged at the downstream of the second rubberizing device 8, and the second rolling device 10 is used for rolling and laminating the second pole piece strip 300 and the semi-finished pole piece; the second pole piece slicing device 9 is used for cutting the second pole piece strip 300 reaching the set length before complete fitting to form the finished pole piece. Moreover, the second clamping device 14 clamps the second pole piece strip 300 to be cut and the semi-finished pole piece before the second pole piece slicing device 9 cuts so that the remaining second pole piece strip 300 can enter the second rolling device 10.
It should be noted that, by slicing the second sheet strip 300 just before the rolling is finished, it is ensured that only the second sheet strip 300 is cut, but the separator strip 200 is not cut, and at the same time, the second clamping device 14 clamps the second sheet strip 300 and the semi-finished pole piece before the second sheet strip 300 is cut, so that the remaining second sheet strip 300 can smoothly enter the second rolling device 10; the second roll press 10 passes the second pole piece strip 300 and the semi-finished pole piece.
As shown in fig. 1, the first and second rubberizing devices 4 and 8 apply adhesive glue to the first and second pole piece strips 100 and 300, respectively.
The second pole piece strip 300 may be a positive pole piece strip or a negative pole piece strip.
In addition, a second guiding device 11 is further arranged between the second pole piece unreeling device 3 and the second rubberizing device 8, and the second guiding device 11 is used for guiding the second pole piece strip 300, so that the second pole piece strip 300 is prevented from being wrinkled, and the quality of the patch is improved.
The second rolling device 10 includes at least one set of driving rollers, and the surfaces of the driving rollers are provided with anti-adhesive layers, so that the bonding glue is prevented from bonding with the driving rollers in the process of bonding the second electrode sheet strip 300 and the semi-finished membrane strip 200.
The working process of the embodiment 2 of the invention is as follows: the second pole piece strip 300 is unreeled under the action of the second pole piece unreeling device 3, enters the second rolling device 10 through the second guiding device 11, the second pole piece strip 300 coated with the adhesive is attached to the diaphragm strip 200 through the second rolling device 10, the second pole piece strip 300 is attached to a certain length, the second pole piece slicing device 9 cuts off the second pole piece strip 300 to finish a unit pole piece patch, the second clamping device 14 clamps the second pole piece strip 300 and the semi-finished pole piece, so that the rest second pole piece strip 300 continuously enters the second rolling device 10 under the guiding of the second guiding device 11 and is attached to the other section of adhesive of the diaphragm strip 200, and the second pole piece patch can be finished through the circulation.
The first pole piece unreeling device 1 and the second pole piece unreeling device 3 are disposed on the same side or different sides of the diaphragm unreeling device 2.
When the first pole piece unreeling device 1 and the second pole piece unreeling device 3 are arranged on the opposite sides of the diaphragm unreeling device 2, a double-sided patch of the diaphragm can be realized. The periphery of the first pole piece unreeling device 1 is wound with a positive pole piece strip material, and the periphery of the second pole piece unreeling device 3 is wound with a negative pole piece strip material; or, the periphery of the first pole piece unreeling device 1 is wound with a negative pole piece strip material, and the periphery of the second pole piece unreeling device 3 is wound with a positive pole piece strip material; therefore, the positive pole piece and the negative pole piece are carried out simultaneously, and the pasting efficiency is improved.
When the first pole piece unreeling device 1 and the second pole piece unreeling device 3 are arranged on the same side of the diaphragm unreeling device 2, a single-sided patch of the diaphragm can be realized.
When the first pole piece unreeling device 1 and the second pole piece unreeling device 2 are simultaneously wound with the positive pole piece strip material, or when the first pole piece unreeling device 1 and the second pole piece unreeling device 2 are simultaneously wound with the negative pole piece strip material, the single-sided patch of the diaphragm can be realized, and the same side of the diaphragm is adhered with the same-polarity patch.
When the periphery of the first pole piece unreeling device 1 is wound with a positive pole piece strip material, the periphery of the second pole piece unreeling device 3 is wound with a negative pole piece strip material; or, the periphery of the first pole piece unreeling device 1 is wound with a negative pole piece strip material, and the periphery of the second pole piece unreeling device 3 is wound with a positive pole piece strip material; the single-sided patch of the diaphragm can be realized, and the same side of the diaphragm is stuck with the patch with different polarities. When enough gaps are reserved between the positive plates, the negative plates are stuck between the positive plates.
The pole piece pasting system disclosed by the embodiment 2 of the invention has the advantages of the embodiment 1, and can realize simultaneous positive pole piece and negative pole piece, thereby improving pasting efficiency; the first rolling device 6 and the second rolling device 10 are arranged, so that the positive and negative electrode plates can be continuously and rapidly pasted at the same time; moreover, the patch can be single-sided, double-sided, homopolar patches can be attached to the same side, heteropolar patches can also be attached to the same side, and the application range is wide.
On the other hand, embodiment 3 of the present invention further provides a lamination machine, which includes the pole piece patch system disclosed in embodiment 1 or embodiment 2 and a folding mechanism 12, where the folding mechanism 12 is disposed at the downstream of the pole piece patch system, and folds the laminated pole piece to obtain a required electrical core.
In yet another aspect, embodiment 4 of the present invention further provides a pole piece attaching method, including the following steps:
the diaphragm unreeling device 2 unreels the diaphragm strip 200; the first pole piece unreeling device 1 releases a first pole piece strip 100;
the first rubberizing device 4 smears adhesive glue on the first pole piece strip 100 or the diaphragm strip 200, and the rubberizing surface is the opposite surface of the first pole piece strip 100 and the diaphragm strip 200;
the first rolling device 6 is used for bonding the first pole piece strip 100 coated with the adhesive and the diaphragm strip 200 through the action of the first rolling device 6;
after the first pole piece strip 100 is attached to a set length, the first pole piece slicing device 5 cuts off the first pole piece strip 100 to complete a unit pole piece patch, and before the first pole piece slicing device 5 cuts off the first pole piece strip 100, the first clamping device 13 clamps the first pole piece strip 100 and the diaphragm strip 200; so that the remaining first pole piece strip 100 continues to enter the first rolling device 6 under the guidance of the first guiding device 7 and continues to be attached to the diaphragm strip 200, thereby completing the first pole piece patch in a circulating manner.
According to the pole piece pasting method disclosed by the embodiment 4 of the invention, the pole piece is sliced after being bonded with the diaphragm, so that a pole piece carrying mechanism is reduced, namely the pole piece is pasted immediately after being cut, the pasting efficiency is improved, continuous production is realized, and the enterprise cost is reduced; in addition, adhesive glue is smeared on the surface of the pole piece before the pole piece is wound, so that the accuracy and stability of the patch can be improved; meanwhile, the first guide device 7 and the first clamping device 13 can guide the first pole piece strip 100 to enter the first rolling device 6, so that the first pole piece strip 100 is ensured to smoothly enter the first rolling device 6, the first pole piece strip 100 is prevented from being wrinkled, and the quality of the patch is improved.
The pole piece attaching method provided by the embodiment 4 of the invention further comprises the following steps:
after the semi-finished pole piece is formed, the second pole piece unreeling device 3 unreels the second pole piece strip 300, and the second pole piece strip 300 passes through the second guiding device 11;
the second rubberizing device 8 applies adhesive glue on the second pole piece strip 300 or the isolation strip 200; the rubberized side is the opposite side of the second pole piece strip 300 or the separator strip 200; as shown in fig. 1, adhesive glue is respectively applied on the first pole piece strip 100 and the second pole piece strip 300 by the first rubberizing device 4 and the second rubberizing device 8; as shown in fig. 2, adhesive is applied to both sides of the membrane strip 200 by the first rubberizing device 4 and the second rubberizing device 8, respectively.
The second pole piece strip 300 enters the second rolling device 10 so that the second pole piece strip 300 coated with the adhesive is attached to the isolation strip passing through the first rolling device 6;
after the second pole piece strip 300 is attached to a set length, the second pole piece slicing device 9 cuts off the second pole piece strip 300 to complete a unit pole piece patch, and before the second pole piece slicing device 9 cuts off the second pole piece strip 300, the second clamping device 14 clamps the second pole piece strip 300 and the semi-finished pole piece; so that the remaining second sheet tape 300 continues to enter the second rolling device 10 under the guide of the second guide device 11 and continues to be attached to the separator tape 200, thereby completing the second sheet attachment in this cycle.
Further, when the first rubberizing device 4 and the second rubberizing device 5 smear laminating glue on the diaphragm belt material 200, the glue is smeared at equal intervals in a staggered way or smeared continuously; staggered equal length application refers to intermittent application on both sides of the diaphragm strip 200, with staggered application on both sides, and the length of each section of application being the same; continuous uninterrupted application refers to continuous application on both sides of the separator strip 200.
The pole piece pasting method disclosed by the embodiment 4 of the invention can also realize simultaneous positive pole piece and negative pole piece, and improves pasting efficiency; the first rolling device 6 and the second rolling device 10 are arranged, so that the positive and negative electrode plates can be continuously and rapidly pasted at the same time; moreover, the patch can be single-sided, double-sided, homopolar patches can be attached to the same side, heteropolar patches can also be attached to the same side, and the application range is wide.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A pole piece patch system, comprising:
the first pole piece unreeling device is used for unreeling the first pole piece strip;
the diaphragm unreeling device is used for unreeling diaphragm strips;
the first rubberizing device is used for rubberizing the first pole piece strip material discharged by the first pole piece unreeling device or the diaphragm strip material discharged by the diaphragm unreeling device, and the rubberizing surface is the opposite surface of the first pole piece strip material and the diaphragm strip material;
the first rolling device is arranged at the downstream of the first rubberizing device and is used for rolling and laminating the first pole piece strip material and the diaphragm strip material;
the first pole piece slicing device is arranged at the upstream of the first rolling device; the first pole piece slicing device is used for cutting off the first pole piece strip material reaching the set length before complete lamination so as to form a semi-finished pole piece;
the first clamping device is arranged between the first rubberizing device and the first pole piece slicing device and is used for clamping the diaphragm strip and the first pole piece strip to be cut;
the first pole piece strip and the diaphragm strip are rolled on the first rolling device to be about to finish, the first
The pole piece slicing device cuts off the first pole piece strip material to form a semi-finished pole attached to the diaphragm strip material
A sheet, the first clamping device clamping the diaphragm strip and the first pole piece strip before cutting the first pole piece strip
And clamping the materials so that the rest of the first pole piece strip materials and the diaphragm strip materials enter the first rolling device to be attached.
2. The pole piece patch system of claim 1, further comprising:
the second pole piece unreeling device is used for unreeling second pole piece strips;
the second rubberizing device is used for rubberizing the second pole piece strip material discharged by the second pole piece unreeling device or the diaphragm strip material of the semi-finished pole piece, and the rubberizing surface is the opposite surface of the second pole piece strip material and the diaphragm strip material;
the second rolling device is arranged at the downstream of the second rubberizing device and is used for rolling and laminating the second pole piece strip material and the semi-finished pole piece;
the second pole piece slicing device is arranged at the upstream of the second rolling device; the second pole piece slicing device is used for cutting off the second pole piece strip material reaching the set length before complete lamination so as to form a finished pole piece;
the second clamping device is arranged between the second rubberizing device and the second pole piece slicing device and is used for clamping the semi-finished pole piece and the second pole piece belt material to be cut off;
the second electrode strip and the diaphragm strip are rolled on the second rolling device to be about to finish, the second
The pole piece slicing device cuts off the second pole piece strip material to form a semi-finished pole attached to the diaphragm strip material
A sheet, the second clamping device clamping the diaphragm sheet and the second pole piece sheet prior to severing the second pole piece sheet
And clamping the materials so that the rest second pole piece strip materials and the diaphragm strip materials enter the second rolling device to be attached.
3. The pole piece patch system of claim 2, further comprising a first guide and a second guide,
the first guiding device is arranged between the first pole piece unreeling device and the first rubberizing device and is used for guiding the first pole piece strip material;
the second guiding device is arranged between the second pole piece unreeling device and the second rubberizing device and is used for guiding the second pole piece strip materials.
4. The pole piece patch system of claim 2, wherein one of the first pole piece strip and the second pole piece strip is a positive pole piece strip and the other is a negative pole piece strip.
5. The pole piece paster system according to claim 2, wherein the first and second rolling means each comprise at least one set of drive rollers; the corresponding surface of each group of driving rollers is used for realizing rolling; and the surfaces of the driving rollers are provided with anti-adhesive layers.
6. The pole piece patch system of any of claims 2-5, wherein the first pole piece unreeling device and the second pole piece unreeling device are disposed on the same side or different sides of the membrane unreeling device.
7. A lamination machine comprising a folding mechanism and the pole piece paster system of any one of claims 1-6, wherein the folding mechanism is arranged at the downstream of the pole piece paster system and is used for folding the pole piece after lamination.
8. A pole piece placement method utilizing the pole piece placement system of any of claims 1-6, comprising the steps of:
the diaphragm unreeling device discharges diaphragm strips, and the first pole piece unreeling device discharges first pole piece strips;
the first rubberizing device smears adhesive glue on the first pole piece strip material or the diaphragm strip material, and a rubberizing surface is the opposite surface of the first pole piece strip material and the diaphragm strip material;
the first pole piece strip material and the diaphragm strip material are rolled and attached by a first rolling device;
after the first pole piece strip is attached to a set length, cutting off the first pole piece strip by a first pole piece slicing device to form a semi-finished pole piece;
before the first pole piece slicing device cuts off the first pole piece strip, a first clamping device clamps the first pole piece strip and the diaphragm strip; so that the rest of the first pole piece strip material can continuously enter the first rolling device and continuously roll and attach with the diaphragm strip material, and the first pole piece patch is completed in a circulating way.
9. The pole piece attaching method according to claim 8, further comprising the step of:
after the semi-finished pole piece is formed, the second pole piece unreeling device releases a second pole piece strip material;
the second rubberizing device coats adhesive glue on the second pole piece strip material or the isolation strip material of the semi-finished pole piece, and the rubberizing surface is the opposite surface of the second pole piece strip material and the diaphragm strip material;
the second rolling device is used for rolling and laminating the second pole piece strip material and the semi-finished pole piece; so that the second pole piece strip coated with the adhesive is attached to the isolation strip of the semi-finished pole piece;
after the second pole piece strip is attached to a set length, cutting off the second pole piece strip before complete attachment by a second pole piece slicing device to form a finished pole piece;
a second clamping device clamps the second pole piece strip and the semi-finished pole piece before the second pole piece strip is cut off by the second pole piece slicing device; so that the rest second pole piece strip material continuously enters the second rolling device and continuously is attached to the diaphragm strip material of the semi-finished product, and the second pole piece patch is completed in a circulating way.
10. The pole piece attaching method according to claim 9, wherein said first rubberizing device and said second rubberizing device are staggered in length or continuously and uninterruptedly applied when applying adhesive glue on said separator strip.
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| CN202111217741.1A CN114122484B (en) | 2021-10-19 | 2021-10-19 | Pole piece pasting system, lamination machine and pole piece pasting method |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002025624A (en) * | 2000-06-12 | 2002-01-25 | Cockam Engineering Corp Ltd | Manufacturing method for lithium secondary battery |
| CN104425836A (en) * | 2013-08-23 | 2015-03-18 | Ckd株式会社 | Winding device and method of manufacturing winding element |
| CN105811017A (en) * | 2016-05-07 | 2016-07-27 | 合肥国轩高科动力能源有限公司 | Continuous composite device of winding type laminated battery cell unit |
| CN108110308A (en) * | 2018-02-01 | 2018-06-01 | 力信（江苏）能源科技有限责任公司 | A kind of cell winding device and electric core winding method |
| CN210052801U (en) * | 2019-07-10 | 2020-02-11 | 宁德时代新能源科技股份有限公司 | Lamination device |
| CN112676114A (en) * | 2020-12-21 | 2021-04-20 | 合肥国轩高科动力能源有限公司 | Diaphragm gluing and drying device for lithium battery pole piece lamination |
| CN113224368A (en) * | 2021-05-06 | 2021-08-06 | 上海兰钧新能源科技有限公司 | Film sticking machine and pole piece pressing method |
-
2021
- 2021-10-19 CN CN202111217741.1A patent/CN114122484B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002025624A (en) * | 2000-06-12 | 2002-01-25 | Cockam Engineering Corp Ltd | Manufacturing method for lithium secondary battery |
| CN104425836A (en) * | 2013-08-23 | 2015-03-18 | Ckd株式会社 | Winding device and method of manufacturing winding element |
| CN105811017A (en) * | 2016-05-07 | 2016-07-27 | 合肥国轩高科动力能源有限公司 | Continuous composite device of winding type laminated battery cell unit |
| CN108110308A (en) * | 2018-02-01 | 2018-06-01 | 力信（江苏）能源科技有限责任公司 | A kind of cell winding device and electric core winding method |
| CN210052801U (en) * | 2019-07-10 | 2020-02-11 | 宁德时代新能源科技股份有限公司 | Lamination device |
| CN112676114A (en) * | 2020-12-21 | 2021-04-20 | 合肥国轩高科动力能源有限公司 | Diaphragm gluing and drying device for lithium battery pole piece lamination |
| CN113224368A (en) * | 2021-05-06 | 2021-08-06 | 上海兰钧新能源科技有限公司 | Film sticking machine and pole piece pressing method |
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