CN220272560U - Battery core winding mechanism - Google Patents
Battery core winding mechanism Download PDFInfo
- Publication number
- CN220272560U CN220272560U CN202321151699.2U CN202321151699U CN220272560U CN 220272560 U CN220272560 U CN 220272560U CN 202321151699 U CN202321151699 U CN 202321151699U CN 220272560 U CN220272560 U CN 220272560U
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- diaphragm
- pole piece
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- needle
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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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- 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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Abstract
The utility model relates to a battery core winding mechanism which comprises a winding needle, a first pole piece conveying component, a second pole piece conveying component, a first diaphragm guide roller, a second diaphragm guide roller and a compression 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, the first diaphragm guide roller conveys a first diaphragm to the winding needle, the second diaphragm guide roller conveys a second diaphragm to the winding needle, the winding needle winds the first pole piece, the first diaphragm, the second pole piece and the second diaphragm to form a battery core, the second diaphragm guide roller is arranged on the compression roller component, a belt pressing structure is arranged on the winding needle, and the belt pressing structure is arranged on the winding needle. Above-mentioned electric core winding mechanism through setting up the pressure area structure, can compress tightly the diaphragm tip when rolling up, can automatic roll up the diaphragm when making the winding, need not to shut down and adopts the fixed diaphragm head of needle in the needle of rolling up to make the needle of rolling up can coil electric core in succession, in order to improve production efficiency.
Description
Technical Field
The utility model relates to the technical field of lithium battery production, in particular to a battery core winding mechanism.
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 core winding mechanism which solves the technical problems and can improve the production efficiency.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an electricity core winding mechanism, includes a roll needle, first pole piece conveying subassembly, second pole piece conveying subassembly, first diaphragm guide roll, second diaphragm guide roll and compression roller subassembly, first pole piece conveying subassembly is with first pole piece conveying extremely roll needle department, second pole piece conveying subassembly is with the second pole piece conveying extremely roll needle department, first diaphragm guide roll conveys first diaphragm extremely roll needle department, second diaphragm guide roll conveys the second diaphragm extremely roll needle department, roll needle is with first pole piece, first diaphragm, second pole piece and second diaphragm coiling form the electricity core, second diaphragm guide roll install in on the compression roller subassembly, be provided with the pressure strip structure on the roll needle, the pressure strip structure install in on the roll needle, the pressure strip structure is including pressure strip cylinder and diaphragm clamp plate, the pressure strip cylinder install in the both sides of rolling the needle, the pressure strip cylinder drives the diaphragm clamp plate removes, be provided with on the roll needle and supply the movable clamp plate diaphragm groove of clamp plate removal.
As a preferred technical scheme, the compression roller assembly comprises a compression roller mounting seat, compression rollers, a diaphragm guide structure, a diaphragm cutter structure, a guide rail, a motor and a screw rod, wherein the compression rollers are mounted on the compression roller mounting seat, the diaphragm guide structure and the diaphragm cutter structure are mounted on two sides of the compression rollers, the screw rod is connected with the compression roller mounting seat, the motor drives the screw rod to rotate, and the compression roller mounting seat moves along the guide rail.
As a preferable technical scheme, the diaphragm guide structure comprises a diaphragm guide plate and a guide cylinder, wherein the guide cylinder drives the diaphragm guide plate to move.
As a preferable technical scheme, the shape of the diaphragm pressing plate is in a rack shape, and the diaphragm guide plate is matched with the shape of the diaphragm pressing plate.
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 press roller assembly further comprises a film combining structure, and the film combining structure is arranged on the press roller mounting seat.
As a preferable technical scheme, the film doubling structure comprises a film doubling roller and a film doubling cylinder, and the film doubling cylinder drives the film doubling roller 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: above-mentioned electric core winding mechanism is provided with pressure area structure and diaphragm guide structure, and diaphragm guide structure can push away the diaphragm tip after cutting to the clamp plate movable groove in, and pressure area structure compresses tightly the diaphragm tip in the clamp plate movable groove, can compress tightly the diaphragm tip when rolling up, can automatic roll up the diaphragm when making the winding, need not to shut down and adopts the fixed diaphragm head of needle in the needle of rolling up to make the needle of rolling up can take up the electric core in succession, in order to improve production efficiency.
Drawings
Fig. 1 is a schematic structural view of a cell winding mechanism according to the present utility model;
fig. 2 is a schematic diagram of a winding mechanism of the battery cell according to the present utility model;
FIG. 3 is a schematic view of the structure of the winding pin and the pressing roller according to the present utility model;
FIG. 4 is a side view of a diaphragm pressure plate and diaphragm guide plate in accordance with the present utility model;
fig. 5 is a schematic diagram of a completed winding of the cell winding mechanism according to the present utility model;
fig. 6 is a schematic diagram of a winding needle station switching of the cell winding mechanism 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 includes a winding needle 1, a first pole piece conveying component 2, a second pole piece conveying component 4, a first diaphragm guiding roller 3, a second diaphragm guiding roller 5 and a pressing roller component 6, wherein 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 diaphragm guiding roller 3 conveys a first diaphragm b to the winding needle 1, the second diaphragm guiding roller 5 conveys a second diaphragm d to the winding needle 1, the winding needle 1 winds the first pole piece a, the first diaphragm b, the second pole piece c and the second diaphragm d to form a battery core, the first pole piece conveying component 2, the second pole piece conveying component 4 and the first diaphragm guiding roller 3 are located above the winding needle 1, the pressing roller component 6 is aligned with the winding needle 1, and the second diaphragm guiding roller 5 is mounted on the pressing roller component 6.
Referring to fig. 3, a belt pressing structure 11 is disposed on the winding needle 1, the belt pressing structure 11 is mounted on the winding needle 1 and is used for pressing the ends of the first diaphragm b and the second diaphragm d, the belt pressing structure 11 includes a belt pressing cylinder 12 and a diaphragm pressing plate 13, the belt pressing cylinder 12 is mounted on two sides of the winding needle 1, the belt pressing cylinder 12 drives the diaphragm pressing plate 13 to move, and a pressing plate movable groove 14 for the diaphragm pressing plate 13 to move is disposed on the winding needle 1, so as to avoid interference with normal winding motion of the winding needle 1.
As shown in fig. 2 and 4, the press roller assembly 6 includes a press roller mounting seat 62, a press roller 61, a diaphragm guiding structure 67, a diaphragm cutter structure 66, a film combining structure 68, a guide rail 64, a motor 65 and a screw rod 63, wherein the second diaphragm guiding roller 5, the press roller 61 and the film combining structure 68 are mounted on the press roller mounting seat 61, the diaphragm guiding structure 67 and the diaphragm cutter structure 66 are mounted on two sides of the press roller 61, the screw rod 63 is connected with the press roller mounting seat 62, the motor 65 drives the screw rod 63 to rotate, and the press roller mounting seat 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. The diaphragm guide structure 67 includes a diaphragm guide plate 671 and a guide cylinder 672, and the guide cylinder 672 drives the diaphragm guide plate 671 to move. The shape of the diaphragm pressing plate 13 is in a rack shape, and the diaphragm guide plate 671 is matched with the shape of the diaphragm pressing plate 13, so that the diaphragm guide plate 671 is convenient to separate from the diaphragm pressing plate 13. The film combining structure 68 comprises a film combining roller 682 and a film combining cylinder 681, and the film combining cylinder 681 drives the film combining roller 682 to move.
With continued reference to fig. 2, the first pole piece conveying assembly 2 includes 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, when the above-mentioned electric core winding mechanism starts winding, the winding needle 1 is located at the position 1a, the motor 65 drives the screw 63 to rotate, the press roller mounting seat 62 moves along the guide rail 64, so that the press roller 61 presses the winding needle 1, and the film combining cylinder 681 drives the film combining roller 682 to move, so that the film combining roller 682 presses the film onto the surface of the winding needle 1, thereby pressing the first film b and the second film d, the film cutter cylinder 662 drives the film cutter 661 to move, and cuts the first film b and the second film d, the film cutter cylinder 662 drives the film cutter 661 to reset after cutting, the guide cylinder 672 drives the film guide 671 to move, the film end is pushed into the platen movable groove 14, the belt pressing cylinder 12 drives the film pressing plate 13 to move toward the film guide 671, and the film end is pressed, at this time, the guide cylinder 672 drives the film guide 671 to reset, the doubling cylinder 681 drives the doubling roller 682 to reset, the first pole piece clamping plate 22 clamps the first pole piece a to move to the position 22a, the first pole piece cutter 21 cuts the first pole piece a, the second pole piece clamping plate 42 clamps the second pole piece a to move to the position 42a, the second pole piece cutter 41 cuts the second pole piece a, the winding needle 1 rotates to wind the battery cell, please refer to fig. 5 and 6, then the belt pressing cylinder 12 drives the diaphragm pressing plate 13 to reset, the motor 65 drives the pressing 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 pressing roller mounting seat 62 moves along the guide rail 64 to press the pressing roller 61 to the winding needle 1 at the position 1c, the diaphragm cutter cylinder 662 drives the diaphragm cutter 661 to move to cut the first diaphragm b and the second diaphragm d, then the rubberizing fixed end is carried out, the blanking is carried out until the position 1b is rotated, while the winding needle 1 at the position 1a continues to wind up the winding cell.
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 (8)
1. The utility model provides a battery cell winding mechanism, its characterized in that, including rolling up needle, first pole piece conveying subassembly, second pole piece conveying subassembly, first diaphragm guide roll, second diaphragm guide roll and compression roller subassembly, first pole piece conveying subassembly is with first pole piece conveying extremely roll needle department, second pole piece conveying subassembly is with the second pole piece conveying extremely roll needle department, first diaphragm guide roll conveys first diaphragm to roll needle department, second diaphragm guide roll conveys the second diaphragm to roll needle department, roll up the needle with first pole piece, first diaphragm, second pole piece and second diaphragm are convoluteed and are formed the battery cell, second diaphragm guide roll install in on the compression roller subassembly, be provided with the pressure area structure on the roll needle, the pressure area structure install in on the roll needle, the pressure area structure is including pressure area cylinder and clamp plate, the pressure area cylinder install in roll needle both sides, the pressure area cylinder drive the diaphragm clamp plate removes, be provided with on the roll needle and supply the movable diaphragm groove that the clamp plate removed.
2. The cell winding mechanism of claim 1, wherein the press roll assembly comprises a press roll mounting seat, a press roll, a diaphragm guide structure, a diaphragm cutter structure, a guide rail, a motor and a screw rod, wherein the press roll is mounted on the press roll mounting seat, the diaphragm guide structure and the diaphragm cutter structure are mounted on two sides of the press roll, the screw rod is connected with the press roll mounting seat, the motor drives the screw rod to rotate, and the press roll mounting seat moves along the guide rail.
3. The cell winding mechanism of claim 2, wherein the diaphragm guide structure comprises a diaphragm guide plate and a guide cylinder, the guide cylinder driving the diaphragm guide plate to move.
4. The cell winding mechanism of claim 3, wherein the diaphragm pressure plate is rack-shaped in shape and the diaphragm guide plate matches the shape of the diaphragm pressure plate.
5. The cell winding mechanism of claim 2, wherein the diaphragm cutter structure comprises a diaphragm cutter and a diaphragm cutter cylinder, and the diaphragm cutter drives the diaphragm cutter to move.
6. The cell winding mechanism of claim 2, 3, 4 or 5, wherein the press roll assembly further comprises a film-doubling structure mounted on the press roll mount.
7. The cell winding mechanism of claim 6, wherein the film doubling structure comprises a film doubling roller and a film doubling cylinder, and the film doubling cylinder drives the film doubling roller to move.
8. The cell winding mechanism of claim 7, 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 being configured to clamp the first pole piece, the first pole piece cutter being configured to cut the first pole piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321151699.2U CN220272560U (en) | 2023-05-12 | 2023-05-12 | Battery core winding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321151699.2U CN220272560U (en) | 2023-05-12 | 2023-05-12 | Battery core winding mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220272560U true CN220272560U (en) | 2023-12-29 |
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ID=89316198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321151699.2U Active CN220272560U (en) | 2023-05-12 | 2023-05-12 | Battery core winding mechanism |
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| Country | Link |
|---|---|
| CN (1) | CN220272560U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118315608A (en) * | 2024-04-30 | 2024-07-09 | 三一技术装备有限公司 | Winding device |
| CN118315609A (en) * | 2024-04-30 | 2024-07-09 | 三一技术装备有限公司 | Winding device |
-
2023
- 2023-05-12 CN CN202321151699.2U patent/CN220272560U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118315608A (en) * | 2024-04-30 | 2024-07-09 | 三一技术装备有限公司 | Winding device |
| CN118315609A (en) * | 2024-04-30 | 2024-07-09 | 三一技术装备有限公司 | Winding device |
| CN118315609B (en) * | 2024-04-30 | 2024-10-22 | 三一技术装备有限公司 | Winding device |
| CN118315608B (en) * | 2024-04-30 | 2024-12-13 | 三一技术装备有限公司 | Winding device |
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