CN214021721U - Two-sided rubber coating equipment of lithium-ion battery pole piece - Google Patents
Two-sided rubber coating equipment of lithium-ion battery pole piece Download PDFInfo
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- CN214021721U CN214021721U CN202021992570.0U CN202021992570U CN214021721U CN 214021721 U CN214021721 U CN 214021721U CN 202021992570 U CN202021992570 U CN 202021992570U CN 214021721 U CN214021721 U CN 214021721U
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- roller
- gluing
- pole piece
- rubber coating
- glue
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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
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Abstract
The utility model discloses a two-sided rubber coating equipment of lithium-ion battery pole piece, including the mass flow body unreel roller (1), first rubber coating mechanism, first pole piece unreels roller (8), first cross roller (10), second rubber coating mechanism, second pole piece unreels roller (16) and wind-up roll (18), wherein first rubber coating mechanism is to unreeling first spreading surface (5) the rubber coating of mass flow body (2) that roller (1) carried out from the mass flow body, first cross roller (10) make mass flow body (2) after the rubber coating and unreel roller (8) from the pole piece and carry first pole piece (9) and glue together, second rubber coating mechanism is to gluing second spreading surface (15) the rubber coating of mass flow body (2) of first pole piece (9) that bonds, wind-up roll (18) make to unreel roller (16) from the second pole piece and carry second pole piece (17) to glue on second spreading surface (15) of mass flow body (2). The utility model discloses a two-sided rubber coating equipment simple structure, rubber coating are even, the operating efficiency is higher and it is convenient to maintain.
Description
Technical Field
The utility model belongs to the technical field of lithium-ion battery pole piece manufacturing process, concretely relates to two-sided rubber coating equipment of lithium-ion battery pole piece.
Background
In recent decades, lithium battery technology has been developed dramatically. The pole piece is used as a core component of the lithium battery, and the gluing quality of the pole piece has important influence on the capacity, internal resistance, cycle life, consistency and safety of the lithium battery. According to statistics, the failure rate of the battery caused by the pole piece gluing process is over 10 percent. At present, the traditional gluing adopts single-sided gluing, the whole process needs to be repeated twice, the equipment is complex, and the operation efficiency is low.
SUMMERY OF THE UTILITY MODEL
In view of the above circumstances of the prior art, the utility model aims at providing a two-sided rubber coating equipment of lithium-ion battery pole piece, the utility model discloses a two-sided rubber coating equipment simple structure, the operating efficiency is higher, and it is convenient to maintain.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides a two-sided rubber coating equipment of lithium-ion battery pole piece, including the mass flow body unreel the roller, first rubber coating mechanism, the first pole piece unreels the roller, first cross the roller, second rubber coating mechanism, the second pole piece unreels roller and wind-up roll, wherein first rubber coating mechanism is to the first rubber coating face rubber coating of the mass flow body of unreeling the roller from the mass flow body, first cross the roller and make the mass flow body after the rubber coating and unreel the roller from the pole piece and transport first pole piece glue together, the second rubber coating mechanism is to the second rubber coating face rubber coating of the mass flow body of the first pole piece that bonds, the wind-up roll makes the second pole piece that unreels the roller from the second pole piece and transport glue on the second rubber coating face of the mass flow body.
Wherein first rubber coating mechanism is including the first rubber roll and the first rubber roll of mutually supporting, and the mass flow body of following the mass flow body unreeling roller and carrying out passes through between first rubber roll and the first rubber roll, and first rubber roll is to the first rubber coating face rubber coating of mass flow body, second rubber coating mechanism is including the second rubber roll and the second rubber roll of mutually supporting, and the mass flow body of bonding first pole piece passes through between second rubber roll and the second rubber roll, and the second rubber coating face rubber coating of second rubber roll to the mass flow body.
Wherein the current collector is a copper foil or an aluminum foil.
The first glue rolling roller and the second glue rolling roller are respectively provided with a first glue groove and a second glue groove, and the first glue rolling roller and the second glue rolling roller respectively pass through the first glue groove and the second glue groove when rolling.
Wherein be provided with the second between the current collector unreeling roller with first rubber coating mechanism and cross the roller for adjust the current collector nonparallel degree and carry out tension control.
Wherein be provided with the third between first roller and the second rubber coating mechanism and cross the roller for adjust the mass flow body nonparallel and carry out tension control.
Wherein the first glue roller and the second glue roller are respectively provided with a glue scraping plate for controlling the glue coating amount.
The utility model discloses a two-sided rubber coating equipment of lithium-ion battery pole piece makes the mass flow body successively through two rubber coating rollers after, accomplishes the positive and negative rubber coating of mass flow body respectively, and the rethread does not stick together with the pole piece after the rubber coating to the completion closes membrane technology. The utility model discloses a two-sided rubber coating equipment simple structure, rubber coating are even, the operating efficiency is higher and it is convenient to maintain.
Drawings
Fig. 1 is according to the utility model discloses a structural schematic diagram of lithium-ion battery pole piece two-sided rubber coating equipment.
Detailed Description
For a clearer understanding of the objects, technical solutions and advantages of the present invention, the present invention will be described in further detail with reference to the accompanying drawings and embodiments.
Fig. 1 is according to the utility model discloses a structural schematic diagram of lithium-ion battery pole piece two-sided rubber coating equipment. As shown in fig. 1, in this embodiment, the lithium battery pole piece double-sided glue coating apparatus includes a current collector unwinding roller 1, a first glue coating mechanism composed of a first glue rolling roller 6 and a first glue rolling roller 4 that are matched with each other, a first pole piece unwinding roller 8, a first roller 10, a second glue coating mechanism composed of a second glue rolling roller 13 and a second glue rolling roller 12 that are matched with each other, a second pole piece unwinding roller 16, and a winding roller 18. Wherein, the first gluing mechanism glues a first gluing surface 5 of a current collector 2 (usually copper foil or aluminum foil) conveyed from the current collector unwinding roller 1. Specifically, the current collector 2 conveyed from the current collector unwinding roller 1 passes through the space between the first glue rolling roller 6 and the first glue roller 4, and at this time, the first glue rolling roller 6 rolls up glue solution in the first glue groove 7 arranged below the first glue rolling roller to coat the first glue coating surface 5 of the current collector 2, so that the first glue coating surface 5 is coated with glue. The first roll 10 bonds together the continuously moving gummed current collector 2 and the first pole piece 9 delivered from the pole piece unwinding roll 8. The second gluing mechanism is used for gluing the second gluing surface 15 of the current collector 2 bonded with the first pole piece 9. Specifically, the current collector 2 continuously moving to bond the first pole piece 9 passes through between the second glue roller 13 and the second glue roller 12, at this time, the second glue roller 13 rolls up the glue solution in the second glue groove 14 arranged below the second glue roller to coat on the second glue coating surface 15 of the current collector 2, and the second glue coating surface 15 is the other surface of the current collector 2 opposite to the first glue coating surface 5, so that the glue coating on the second glue coating surface 15 is completed. The winding roller 18 sticks the second pole piece 17 delivered from the second pole piece unwinding roller 16 to the second glue-coated surface 15 of the current collector 2, thereby completing the film combination process.
As shown in the figure, a second roller 3 can be arranged between the current collector unwinding roller 1 and the first glue coating mechanism for adjusting the non-parallelism of the current collector and controlling the tension, and a third roller 11 can be arranged between the first roller 10 and the second glue coating mechanism for adjusting the non-parallelism of the current collector after the first pole piece 9 is bonded and controlling the tension. In addition, a squeegee (not shown) for controlling the amount of glue application is provided to the first and second glue applying mechanisms, specifically, the first and second glue rollers 6 and 13.
The specific working process of the device of the present invention is as follows (see fig. 1):
the copper foil (or aluminum foil) 2 serving as a current collector passes through the second roller 3 through the unreeling roller 1 and then passes through the space between the first roller 6 and the first roller 4, at the moment, glue solution in the first glue groove 7 is rolled up by the first roller 6 and coated on the first gluing surface 5 of the copper foil (or aluminum foil) 2, the continuously moving copper foil (or aluminum foil) 2 is adhered to the first pole piece 9 conveyed from the pole piece unreeling roller 8 when passing through the first roller 10, the adhered first pole piece 9 and the copper foil (or aluminum foil) 2 pass through the space between the second aluminum foil roller 13 and the second roller 12 after passing through the third roller 11, at the moment, glue solution in the second glue groove 14 is rolled up by the second roller 13 and coated on the second gluing surface 15 of the copper foil (or aluminum foil) 2, and double-sided gluing of the copper foil (or aluminum foil) 2 is completed. The copper foil (or aluminum foil) 2 with double-sided glue coated is adhered with the second pole piece 17 conveyed by the pole piece unwinding roller 16 under the action of the rotating winding roller 18, and meanwhile, the winding work of the pole pieces is completed.
The utility model discloses a two-sided rubber coating equipment simple structure, rubber coating are even, the operating efficiency is higher and it is convenient to maintain.
Claims (7)
1. The utility model provides a lithium battery pole piece double-sided rubber coating equipment, its characterized in that includes that the mass flow body unreels roller (1), first rubber coating mechanism, first pole piece unreels roller (8), first roller (10), second rubber coating mechanism, second pole piece unreels roller (16) and wind-up roll (18), wherein first rubber coating mechanism is to the first rubber coating face (5) the rubber coating of mass flow body (2) of unreeling roller (1) delivery from the mass flow body, first roller (10) of crossing makes mass flow body (2) after the rubber coating and unreel roller (8) from the pole piece and transport first pole piece (9) and glue together, second rubber coating mechanism is to the second rubber coating face (15) the rubber coating of mass flow body (2) that bonds first pole piece (9), wind-up roll (18) make the second pole piece (17) of unreeling roller (16) from the second pole piece transport glue on second rubber coating face (15) of mass flow body (2).
2. The double-sided gluing equipment for the lithium battery pole piece as claimed in claim 1, wherein the first gluing mechanism comprises a first gluing roller (6) and a first gluing roller (4) which are matched with each other, the current collector (2) conveyed out from the current collector unreeling roller (1) passes through the first gluing roller (6) and the first gluing roller (4), the first gluing roller (6) is used for gluing the first gluing surface (5) of the current collector (2), the second gluing mechanism comprises a second gluing roller (13) and a second gluing roller (12) which are matched with each other, the current collector (2) bonded with the first pole piece (9) passes through the second gluing roller (13) and the second gluing roller (12), and the second gluing roller (13) is used for gluing the second gluing surface (15) of the current collector (2).
3. The double-sided gluing equipment for the lithium battery pole piece according to claim 2, wherein a first glue groove (7) and a second glue groove (14) are respectively arranged below the first glue roller (6) and the second glue roller (13), and the first glue roller (6) and the second glue roller (13) respectively pass through the first glue groove (7) and the second glue groove (14) when rolling.
4. The double-sided gluing equipment for the lithium battery pole piece as claimed in claim 2, wherein the first glue roller (6) and the second glue roller (13) are respectively provided with a glue scraping plate for controlling gluing amount.
5. The double-sided gluing equipment for the lithium battery pole pieces according to claim 1 or 2, wherein a second roller (3) is arranged between the current collector unwinding roller (1) and the first gluing mechanism.
6. A double-sided gluing device for pole pieces of lithium batteries according to claim 5, wherein a third roller (11) is arranged between the first roller (10) and the second gluing mechanism.
7. The double-sided adhesive coating apparatus for a lithium battery pole piece according to claim 1, wherein the current collector is a copper foil or an aluminum foil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021992570.0U CN214021721U (en) | 2020-09-11 | 2020-09-11 | Two-sided rubber coating equipment of lithium-ion battery pole piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021992570.0U CN214021721U (en) | 2020-09-11 | 2020-09-11 | Two-sided rubber coating equipment of lithium-ion battery pole piece |
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| Publication Number | Publication Date |
|---|---|
| CN214021721U true CN214021721U (en) | 2021-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021992570.0U Active CN214021721U (en) | 2020-09-11 | 2020-09-11 | Two-sided rubber coating equipment of lithium-ion battery pole piece |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118099349A (en) * | 2024-03-29 | 2024-05-28 | 宁波松迦智能装备有限公司 | Battery pole piece compounding equipment and process thereof |
-
2020
- 2020-09-11 CN CN202021992570.0U patent/CN214021721U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118099349A (en) * | 2024-03-29 | 2024-05-28 | 宁波松迦智能装备有限公司 | Battery pole piece compounding equipment and process thereof |
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