CN220420645U - Battery core winding mechanism for thermal compounding of diaphragm - Google Patents
Battery core winding mechanism for thermal compounding of diaphragm Download PDFInfo
- Publication number
- CN220420645U CN220420645U CN202321151721.3U CN202321151721U CN220420645U CN 220420645 U CN220420645 U CN 220420645U CN 202321151721 U CN202321151721 U CN 202321151721U CN 220420645 U CN220420645 U CN 220420645U
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- CN
- China
- Prior art keywords
- diaphragm
- pole piece
- thermal
- thermal compounding
- cutter
- Prior art date
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Links
- 238000004804 winding Methods 0.000 title claims abstract description 57
- 238000013329 compounding Methods 0.000 title claims abstract description 31
- 230000007246 mechanism Effects 0.000 title claims abstract description 23
- 239000003292 glue Substances 0.000 claims abstract description 52
- 238000005507 spraying Methods 0.000 claims abstract description 30
- 239000007921 spray Substances 0.000 claims abstract description 8
- 238000005520 cutting process Methods 0.000 claims description 9
- 239000002131 composite material Substances 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 abstract description 13
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000012528 membrane Substances 0.000 description 22
- 238000010030 laminating Methods 0.000 description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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
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- Primary Cells (AREA)
Abstract
The utility model relates to a battery core winding mechanism for thermal compounding of a diaphragm, which comprises a winding needle, a first pole piece conveying component, a second pole piece conveying component, a first diaphragm conveying component, a second diaphragm conveying component and a thermal compounding roller component, wherein the first pole piece conveying component conveys a first pole piece to the winding needle, the second pole piece conveying component conveys a second pole piece to the winding needle, a diaphragm glue spraying structure sprays glue on the diaphragm, a diaphragm guide roller conveys the diaphragm to the winding needle, the thermal compounding roller component compounds the first diaphragm and the second diaphragm, and the winding needle is wound to form the battery core. According to the battery cell winding mechanism for thermal compounding of the diaphragm, the diaphragm glue spraying structure is arranged on the diaphragm conveying assembly, so that glue is sprayed to the diaphragm on the clearance of winding of the battery cell, two diaphragms can be compounded together, the end part of the diaphragm can be adsorbed by the winding needle conveniently to be wound, the head part of the diaphragm is fixed by the inner needle of the winding needle without stopping, and the winding needle can continuously wind the battery cell, so that the production efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of lithium battery production, in particular to a battery core winding mechanism for thermal compounding of a diaphragm.
Background
The lithium ion accumulator has the advantages of small volume, light weight, large capacity, etc. The application of lithium ion batteries is becoming more and more widespread. The electrode size of lithium batteries is required to be long and wide, and very thin. The positive electrode sheet and the negative electrode sheet are separated by a separator, and the relative positions between the positive electrode sheet and the negative electrode sheet are very strict. In order to produce a battery or capacitor having a large capacity and a small internal resistance, the winding core is required to be wound tightly and to have a neat end face, which requires smooth operation and high quality.
In the prior art, when a lithium battery cell is wound, a positive plate, a negative plate and a diaphragm are required to be alternately wound to form the cell. When the pole piece on the feeding device is unreeled, the roller for containing the pole piece is required to be taken down, however, the existing winding machine is required to be stopped and is fixedly clamped to the head of the diaphragm through the inner clamp of the winding needle for winding, so that the winding process of the winding needle cannot be continuously carried out, and the production efficiency is affected.
Disclosure of Invention
The utility model mainly aims to provide a battery cell winding mechanism for thermal compounding of a diaphragm, so as to solve the technical problems and improve the production efficiency of the battery cell.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a diaphragm thermal-composited electricity core winding mechanism, is including rolling up needle, first pole piece conveying component, second pole piece conveying component, first diaphragm conveying component, second diaphragm conveying component and thermal-composited roller subassembly, first diaphragm conveying component is including first diaphragm guide roll and first diaphragm spouts the glued structure, first diaphragm spouts glued structure and is located first diaphragm guide roll's top, second diaphragm conveying component is including second diaphragm guide roll and second diaphragm spouts glued structure, second diaphragm guide roll install in on the thermal-composited roller subassembly, second diaphragm spouts glued structure is located second diaphragm guide roll's top, first pole piece conveying component will first pole piece convey to roll up needle department, second pole piece conveying component will second pole piece convey to roll up needle department, first diaphragm spouts glued structure to first diaphragm spouts glued structure, first diaphragm guide roll will first diaphragm convey to roll up needle department, second diaphragm spouts glued structure to second diaphragm guide roll up needle, second diaphragm and second pole piece conveying to second diaphragm, second diaphragm composite electrode core form first diaphragm, second diaphragm.
As an optimized technical scheme, the first diaphragm glue spraying structure comprises a first diaphragm glue spraying bracket and a first diaphragm glue gun, and the first diaphragm glue gun is arranged on the first diaphragm glue spraying bracket.
As an optimized technical scheme, the second diaphragm glue spraying structure comprises a second diaphragm glue spraying bracket and a second diaphragm glue gun, and the second diaphragm glue gun is arranged on the second diaphragm glue spraying bracket.
As a preferable technical scheme, the thermal compound roller assembly comprises a thermal compound roller mounting seat, a thermal compound roller, a diaphragm cutter structure, a guide rail, a motor and a screw rod, wherein the thermal compound roller and the diaphragm cutter structure are mounted on the thermal compound roller mounting seat, the screw rod is connected with the thermal compound roller mounting seat, the motor drives the screw rod to rotate, and the thermal compound roller mounting seat moves along the guide rail.
As a preferable technical scheme, the diaphragm cutter structure comprises a diaphragm cutter and a diaphragm cutter cylinder, and the diaphragm cutter drives the diaphragm cutter to move.
As a preferable technical scheme, the first pole piece conveying assembly comprises a first pole piece cutter and a first pole piece clamping plate, wherein the first pole piece clamping plate is used for clamping the first pole piece, and the first pole piece cutter is used for cutting the first pole piece.
The utility model has the beneficial effects that: according to the battery core winding mechanism with the diaphragm thermally compounded, the diaphragm glue spraying structure is arranged on the diaphragm conveying assembly, so that glue is sprayed to the diaphragm on the clearance of winding of the battery core, the head and the tail of each section of the battery core can be compounded together, the winding needle is convenient to adsorb the end part of the diaphragm to roll up, the inner needle of the winding needle is not required to be stopped to fix the head of the diaphragm, and the winding needle can continuously wind the battery core, so that the production efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of a thermal composite separator cell winding mechanism according to the present utility model;
FIG. 2 is a schematic view of a separator thermal compounding cell winding mechanism according to the present utility model during winding;
FIG. 3 is a schematic diagram of the completed winding of the separator thermal compounding cell winding mechanism according to the present utility model;
fig. 4 is a schematic diagram of the change of winding needle station of the battery core winding mechanism for thermal compounding of the diaphragm according to the present utility model.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Referring to fig. 1 and 2, a battery core winding mechanism for thermally compounding a membrane includes a winding needle 1, a first pole piece conveying component 2, a second pole piece conveying component 4, a first membrane conveying component 3, a second membrane conveying component 5 and a thermal compounding roller component 6, wherein the first membrane conveying component 3 includes a first membrane guiding roller 31 and a first membrane glue spraying structure 32, the first membrane glue spraying structure 32 is located above the first membrane guiding roller 31, the second membrane conveying component 5 includes a second membrane guiding roller 51 and a second membrane glue spraying structure 52, the second membrane guiding roller 51 is mounted on the thermal compounding roller component 6, the second membrane glue spraying structure 52 is located above the second membrane guiding roller 51, the first pole piece conveying component 2 conveys a first pole piece a to the winding needle 1, the second pole piece conveying component 4 conveys a second pole piece c to the winding needle 1, the first membrane glue spraying structure 32 sprays glue to a first membrane b, the first membrane guiding roller 31 conveys the first membrane b to the winding needle 1, the second membrane guiding roller 52 sprays glue to the second membrane guiding roller 51 and the second pole piece b, and the second pole piece conveying component 2 d is formed by the second membrane guiding roller 1 and the thermal compounding roller 6, and the second pole piece conveying component d is located above the second membrane guiding roller 1 and the second pole piece conveying component 1. The first diaphragm glue spraying structure 32 comprises a first diaphragm glue spraying bracket 33 and a first diaphragm glue gun 34, and the first diaphragm glue gun 34 is arranged on the first diaphragm glue spraying bracket 33. The second diaphragm glue spraying structure 52 comprises a second diaphragm glue spraying bracket 53 and a second diaphragm glue gun 54, and the second diaphragm glue gun 54 is arranged on the second diaphragm glue spraying bracket 53.
With continued reference to fig. 2, the heat-laminating roller assembly 6 includes a heat-laminating roller mounting base 62, a heat-laminating roller 61, a diaphragm cutter structure 66, a guide rail 64, a motor 65 and a screw rod 63, wherein the second diaphragm guide roller 51, the heat-laminating roller 61 and the diaphragm cutter structure 66 are mounted on the heat-laminating roller mounting base 61, the screw rod 63 is connected with the heat-laminating roller mounting base 62, the motor 65 drives the screw rod 63 to rotate, and the heat-laminating roller mounting base 62 moves along the guide rail 64. The diaphragm cutter structure 66 includes a diaphragm cutter 661 and a diaphragm cutter cylinder 662, and the diaphragm cutter cylinder 662 drives the diaphragm cutter 661 to move for cutting the diaphragm.
Specifically, the first pole piece conveying assembly 2 comprises a first pole piece cutter 21 and a first pole piece clamping plate 22, the first pole piece clamping plate 22 is used for clamping the first pole piece a, and the first pole piece cutter 21 is used for cutting the first pole piece a. The first pole piece conveying component 2 has the same structural size as the second pole piece conveying component 4, the second pole piece conveying component 4 comprises a second pole piece cutter 41 and a second pole piece clamping plate 42, the second pole piece clamping plate 42 is used for clamping the second pole piece c, and the second pole piece cutter 41 is used for cutting the second pole piece c.
Referring to fig. 2, before the above-mentioned battery core winding mechanism for thermal compounding of the diaphragm starts winding, the first diaphragm glue spraying structure 32 sprays glue to the first diaphragm b, and the second diaphragm glue spraying structure 52 sprays glue to the second diaphragm d; when the battery core winding mechanism for thermally compounding the diaphragm starts winding, the winding needle 1 is positioned at a position 1a, the motor 65 drives the screw rod 63 to rotate, the thermal compounding roller mounting seat 62 moves along the guide rail 64, the thermal compounding roller 61 presses the winding needle 1, the first diaphragm b and the second diaphragm d are driven, the thermal compounding roller 61 aligns to the gluing positions of the first diaphragm b and the second diaphragm d, the thermal compounding roller 61 presses and heats the first diaphragm b and the second diaphragm d, the first diaphragm b and the second diaphragm d are compounded together, the diaphragm cutter cylinder 662 drives the diaphragm cutter 661 to move, the first diaphragm b and the second diaphragm d are cut, the winding needle 1 absorbs the diaphragm cutting end part in a negative pressure manner, the diaphragm cutting end part is fixed on the winding needle 1, the winding needle 1 rotates for one and a half times, the diaphragm end part is pressed by the diaphragm itself, the first pole piece clamping plate 22 clamps the first pole piece a to move to the position 22a, the first pole piece a is cut by the first pole piece cutter 21, the second pole piece clamping plate 42 clamps the second pole piece a to move to the position 42a, the second pole piece cutting knife 41 cuts the second pole piece a, the first diaphragm glue spraying structure 32 sprays glue to the first diaphragm b, the second diaphragm glue spraying structure 52 sprays glue to the second diaphragm d, the winding needle 1 rotates to wind the battery cell, at the moment, the glue on the first diaphragm b and the second diaphragm d is not contacted with the first pole piece a and the second pole piece c, please refer to fig. 3 and 4, then the motor 65 drives the thermal compound roller mounting seat 62 to reset, the winding needle 1 rotates to the position 1c, the motor 65 drives the screw 63 to rotate, the thermal compound roller mounting seat 62 moves along the guide rail 64, the thermal compound roller 61 compresses the winding needle 1 positioned at the position 1c, the thermal compound roller 61 compresses and heats the first diaphragm b and the second diaphragm d, the first diaphragm b and the second diaphragm d are compounded together, the diaphragm cutter cylinder 662 drives the diaphragm cutter 661 to move, cuts first diaphragm b and second diaphragm d, and then the electric core that is located position 1c carries out rubberizing fixed tip, waits to rotate to position 1b department unloading, and the compound diaphragm tip after cutting is continued to roll up the electric core to the needle 1 that rolls up that is located position 1a simultaneously.
The above embodiments are only preferred examples of the present utility model and are not intended to limit the scope of the present utility model, so that all equivalent changes or modifications of the structure, characteristics and principles described in the claims are included in the scope of the present utility model.
Claims (6)
1. The utility model provides a diaphragm thermal-composited electricity core winding mechanism, its characterized in that, including a roll needle, first pole piece conveying subassembly, second pole piece conveying subassembly, first diaphragm conveying subassembly, second diaphragm conveying subassembly and thermal-composited roller subassembly, first diaphragm conveying subassembly is including first diaphragm guide roll and first diaphragm spouts the glued structure, first diaphragm spouts glued structure and is located first diaphragm guide roll's top, second diaphragm conveying subassembly is including second diaphragm guide roll and second diaphragm spouts glued structure, second diaphragm guide roll install on the thermal-composited roller subassembly, second diaphragm spouts glued structure is located second diaphragm guide roll's top, first pole piece conveying subassembly will first pole piece is to roll needle department, second pole piece conveying subassembly will second pole piece is to roll needle department, first diaphragm spouts glued structure to first diaphragm spouts glued structure, first diaphragm guide roll will first diaphragm to roll needle department, second diaphragm guide roll is with first diaphragm guide roll, second diaphragm spray glued structure will second diaphragm guide roll needle, second diaphragm and second composite electrode piece form second diaphragm, second diaphragm composite electrode.
2. The battery cell winding mechanism of claim 1, wherein the first diaphragm glue spraying mechanism comprises a first diaphragm glue spraying bracket and a first diaphragm glue gun, and the first diaphragm glue gun is arranged on the first diaphragm glue spraying bracket.
3. The battery cell winding mechanism of claim 1 or 2, wherein the second diaphragm glue spraying mechanism comprises a second diaphragm glue spraying bracket and a second diaphragm glue gun, and the second diaphragm glue gun is arranged on the second diaphragm glue spraying bracket.
4. The separator thermal compounding cell winding mechanism of claim 3, wherein the thermal compounding roller assembly comprises a thermal compounding roller mounting seat, a thermal compounding roller, a separator cutter structure, a guide rail, a motor and a screw rod, the thermal compounding roller and the separator cutter structure are mounted on the thermal compounding roller mounting seat, the screw rod is connected with the thermal compounding roller mounting seat, the motor drives the screw rod to rotate, and the thermal compounding roller mounting seat moves along the guide rail.
5. The separator thermal compounding cell winding mechanism of claim 4, wherein the separator cutter structure comprises a separator cutter and a separator cutter cylinder, and the separator cutter drives the separator cutter to move.
6. The separator thermal compounding cell winding mechanism of claim 5, wherein the first pole piece transfer assembly comprises a first pole piece cutter and a first pole piece clamping plate, the first pole piece clamping plate is used for clamping the first pole piece, and the first pole piece cutter is used for cutting the first pole piece.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321151721.3U CN220420645U (en) | 2023-05-12 | 2023-05-12 | Battery core winding mechanism for thermal compounding of diaphragm |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321151721.3U CN220420645U (en) | 2023-05-12 | 2023-05-12 | Battery core winding mechanism for thermal compounding of diaphragm |
Publications (1)
Publication Number | Publication Date |
---|---|
CN220420645U true CN220420645U (en) | 2024-01-30 |
Family
ID=89659388
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202321151721.3U Active CN220420645U (en) | 2023-05-12 | 2023-05-12 | Battery core winding mechanism for thermal compounding of diaphragm |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN220420645U (en) |
-
2023
- 2023-05-12 CN CN202321151721.3U patent/CN220420645U/en active Active
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