CN211320210U - Electric bicycle lithium battery pole piece rolling device - Google Patents
Electric bicycle lithium battery pole piece rolling device Download PDFInfo
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- CN211320210U CN211320210U CN202020213151.6U CN202020213151U CN211320210U CN 211320210 U CN211320210 U CN 211320210U CN 202020213151 U CN202020213151 U CN 202020213151U CN 211320210 U CN211320210 U CN 211320210U
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- roller
- pole piece
- primary
- pressing roller
- lithium battery
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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 belongs to the field of lithium battery production, in particular to a lithium battery pole piece rolling device for an electric bicycle, wherein a pole piece passes through a first monitor, a first adjusting mechanism, a primary rolling mechanism, a second adjusting mechanism, a secondary rolling mechanism, a third adjusting mechanism, a first supporting roller, a trimming knife, a second monitor and a second supporting roller from front to back from an unwinding roller and finally reaches a winding roller; the primary rolling mechanism comprises a primary upper pressing roller and a primary lower pressing roller which are vertically symmetrical, and a first front corner wrapping roller and a first rear corner wrapping roller which are positioned on the front side and the rear side of the primary lower pressing roller; the secondary rolling mechanism comprises a secondary upper pressing roller and a secondary lower pressing roller which are vertically symmetrical, and a second front corner wrapping roller and a second rear corner wrapping roller which are positioned at the front side and the rear side of the secondary lower pressing roller; the rolling device avoids the problems of pole piece rolling fracture and fold, and the pole piece after the trimming and rolling by the edge cutter ensures the quality of the finished product of the lithium battery pole piece, thereby ensuring the reliable performance of the lithium battery.
Description
Technical Field
The utility model belongs to the lithium cell production field, concretely relates to electric bicycle lithium battery pole piece roll-in device.
Background
Lithium batteries are a type of battery using a nonaqueous electrolyte solution with lithium metal or a lithium alloy as a negative electrode material. Lithium batteries for electric bicycles are generally manufactured using a lithium alloy metal oxide as a positive electrode material and graphite as a negative electrode material. At present, when a pole piece with large compaction density is rolled by a primary rolling device, the pole piece roll is easy to wrinkle, break, have large warping deformation, large extensibility and the like, and the problems of the primary rolling device under high compaction density can cause a large amount of waste of raw materials, greatly influence the subsequent production process and directly influence the performance of a battery. The existing lithium battery pole piece rolling processing equipment is difficult to ensure the width of a lithium battery shell pole piece generally, manual cutting processing is needed during later-stage production, the labor intensity of workers is increased invisibly, and the working efficiency is influenced.
SUMMERY OF THE UTILITY MODEL
To the above situation, the utility model provides an electric bicycle lithium battery pole piece roll-in device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a lithium battery pole piece rolling device for an electric bicycle comprises a pole piece, an unwinding roller and a winding roller, wherein the pole piece sequentially passes through a first monitor, a first adjusting mechanism, a primary rolling mechanism, a second adjusting mechanism, a secondary rolling mechanism, a third adjusting mechanism, a first supporting roller, an edge cutter, a second monitor and a second supporting roller from front to back from the unwinding roller and finally reaches the winding roller;
the primary rolling mechanism comprises a primary upper pressing roller and a primary lower pressing roller which are vertically symmetrical, and a first front corner wrapping roller and a first rear corner wrapping roller which are positioned on the front side and the rear side of the primary lower pressing roller;
the secondary rolling mechanism comprises a secondary upper pressing roller and a secondary lower pressing roller which are symmetrical up and down, and a second front corner wrapping roller and a second rear corner wrapping roller which are positioned on the front side and the rear side of the secondary lower pressing roller;
the first adjusting mechanism comprises a first adjusting roller positioned on the front side of the first front corner wrapping roller and a first positioning roller positioned on the front side of the first adjusting roller;
the second adjusting mechanism comprises a second adjusting roller positioned on the front side of the second front corner wrapping roller and a second positioning roller positioned on the front side of the second adjusting roller;
the third adjusting mechanism comprises a third adjusting roller positioned on the front side of the first supporting roller and a third positioning roller positioned on the front side of the third adjusting roller.
Preferably, the first monitor and the second monitor both use ultrasonic detectors.
Preferably, the first adjusting roller, the second adjusting roller and the third adjusting roller are all tensioning adjusting oscillating rollers.
Preferably, the diameters of the primary upper press roll and the primary lower press roll are equal.
Preferably, the secondary upper press roll and the secondary lower press roll have the same diameter.
Preferably, the diameter of the primary upper press roll is larger than that of the secondary upper press roll.
Preferably, the first front wrap angle roller is positioned in the direction of 280-290 degrees clockwise at the front side of the primary lower pressing roller, and the first rear wrap angle roller is positioned in the direction of 100-110 degrees clockwise at the rear side of the primary lower pressing roller.
Preferably, the second front wrap angle roller is positioned in the direction of 280-290 degrees clockwise at the front side of the secondary lower press roller, and the second rear wrap angle roller is positioned in the direction of 100-110 degrees clockwise at the rear side of the secondary lower press roller.
Preferably, the clearance between the first front corner wrapping roller, the first rear corner wrapping roller and the primary pressing roller is 8-15 mm.
Preferably, the gap between the second front corner wrapping roller and the second rear corner wrapping roller and the secondary pressing roller is 8-15 mm.
The utility model discloses still include other not limited subassembly and device that can make its normal use, for example: the winding roller, the primary upper pressing roller, the primary lower pressing roller, the secondary upper pressing roller and the secondary lower pressing roller are respectively provided with a corresponding driving motor, a speed reducer and a corresponding transmission mechanism, and are matched with an electric control device, a tensioning adjusting swing roller, an edge cutter and the like, and the conventional technical means in the field are adopted.
The utility model discloses an action principle and beneficial effect as follows:
two ultrasonic sensors are arranged at the unwinding roller side and the winding roller side in tandem to monitor the thickness change and the existence of cracks of the pole pieces on line and feed back, adjust and match the transmission speed in time, ensure the rolling quality of the pole pieces, avoid the breakage of the pole pieces, meanwhile, the tensity of the pole piece is adjusted at any time by arranging the tension adjusting swing roller, the contact surface of the pole piece and the lower pressing roller is increased by additionally arranging the front and the rear angle wrapping rollers before and after the primary and the secondary pole pieces are rolled, the stress is promoted to be expanded from a point to a surface, enough time is left to ensure the qualitative property of the pole piece before and after rolling, thereby solved the problem that lithium-ion battery pole piece roll-in produced the fold, in addition, add and establish the cut-off edge sword, prune the roll-in back pole piece edge and warp deckle edge, guarantee lithium-ion battery pole piece finished product width, improve product quality, ensure the dependable performance of lithium cell, reduce the intensity of labour that follow-up manual work cut, improve pole piece roll-in work efficiency.
Drawings
Fig. 1 is a schematic structural diagram of a lithium battery pole piece rolling device according to an embodiment.
Detailed Description
The technical solution of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and obviously, the described embodiments are only some embodiments of the present invention, not all embodiments.
Examples
As shown in fig. 1, the rolling device for the lithium battery pole piece of the electric bicycle comprises a pole piece 1, an unwinding roller 2 and a winding roller 3, wherein the pole piece 1 passes through a first monitor 4, a first adjusting mechanism 5, a first rolling mechanism 6, a second adjusting mechanism 7, a second rolling mechanism 8, a third adjusting mechanism 9, a first supporting roller 10, an edge cutter 11, a second monitor 12 and a second supporting roller 13 from the unwinding roller 2 from front to back in sequence and finally reaches the winding roller 3;
the primary rolling mechanism 6 comprises a primary upper pressing roller 601 and a primary lower pressing roller 602 which are symmetrical up and down, and a first front corner wrapping roller 603 and a first rear corner wrapping roller 604 which are positioned at the front side and the rear side of the primary lower pressing roller 602;
the secondary rolling mechanism 8 comprises a secondary upper rolling roller 801 and a secondary lower rolling roller 802 which are symmetrical up and down, and a second front corner wrapping roller 803 and a second rear corner wrapping roller 804 which are positioned at the front side and the rear side of the secondary lower rolling roller 802;
the first adjusting mechanism 5 comprises a first adjusting roller 502 positioned in front of the first front wrap angle roller 603 and a first positioning roller 501 positioned in front of the first adjusting roller 502;
the second adjusting mechanism 7 includes a second adjusting roller 702 positioned on the front side of the second front wrap angle roller 803, and a second positioning roller 701 positioned on the front side of the second adjusting roller 702;
the third adjusting mechanism 9 includes a third adjusting roller 902 located on the front side of the first supporting roller 10, and a third registration roller 901 located on the front side of the third adjusting roller 902.
The first monitor 4 and the second monitor 12 both use ultrasonic detectors.
The first adjusting roller 502, the second adjusting roller 702 and the third adjusting roller 902 are all tensioning adjusting oscillating rollers.
The diameter of the primary upper pressing roller 601 is equal to that of the primary lower pressing roller 602.
The secondary upper press roll 801 and the secondary lower press roll 802 have the same diameter.
The diameter of the primary upper press roll 601 is larger than that of the secondary upper press roll 801.
The first front wrap angle roller 603 is located on the front side of the primary pressing roller 602 in the clockwise 285 ° direction, and the first rear wrap angle roller 604 is located on the rear side of the primary pressing roller 602 in the clockwise 105 ° direction.
The second front wrap angle roller 803 is located in a direction 285 ° clockwise at the front side of the secondary bottom press roller 802, and the second rear wrap angle roller 804 is located in a direction 105 ° clockwise at the rear side of the secondary bottom press roller 802.
The gap between the first front wrap angle roller 603 and the first rear wrap angle roller 604 and the primary press roller 602 is 10 mm.
The gap between the second front corner-wrapping roll 803 and the second rear corner-wrapping roll 804 and the secondary bottom-pressing roll 802 is 10 mm.
Having thus described embodiments of the present invention, the foregoing description is intended to be illustrative, not exhaustive, and not limited to the embodiments disclosed, and many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments.
Claims (10)
1. The utility model provides an electric bicycle lithium battery pole piece roll-in device, includes pole piece (1), unreels roller (2) and wind-up roll (3), its characterized in that: the pole piece (1) is sequentially wound from the unwinding roller (2) from front to back through a first monitor (4), a first adjusting mechanism (5), a primary rolling mechanism (6), a second adjusting mechanism (7), a secondary rolling mechanism (8), a third adjusting mechanism (9), a first supporting roller (10), an edge cutter (11), a second monitor (12) and a second supporting roller (13) and finally reaches the winding roller (3);
the primary rolling mechanism (6) comprises a primary upper pressing roller (601) and a primary lower pressing roller (602) which are vertically symmetrical, and a first front corner wrapping roller (603) and a first rear corner wrapping roller (604) which are positioned on the front side and the rear side of the primary lower pressing roller (602);
the secondary rolling mechanism (8) comprises a secondary upper pressing roller (801) and a secondary lower pressing roller (802) which are vertically symmetrical, and a second front corner wrapping roller (803) and a second rear corner wrapping roller (804) which are positioned at the front side and the rear side of the secondary lower pressing roller (802);
the first adjusting mechanism (5) comprises a first adjusting roller (502) positioned on the front side of the first front corner wrapping roller (603) and a first positioning roller (501) positioned on the front side of the first adjusting roller (502);
the second adjusting mechanism (7) comprises a second adjusting roller (702) positioned at the front side of the second front corner wrapping roller (803) and a second positioning roller (701) positioned at the front side of the second adjusting roller (702);
the third adjusting mechanism (9) comprises a third adjusting roller (902) positioned at the front side of the first supporting roller (10) and a third positioning roller (901) positioned at the front side of the third adjusting roller (902).
2. The electric bicycle lithium battery pole piece rolling device according to claim 1, characterized in that: the first monitor (4) and the second monitor (12) both adopt ultrasonic detectors.
3. The electric bicycle lithium battery pole piece rolling device according to claim 1, characterized in that: the first adjusting roller (502), the second adjusting roller (702) and the third adjusting roller (902) are tensioning adjusting swing rollers.
4. The electric bicycle lithium battery pole piece rolling device according to claim 1, characterized in that: the diameters of the primary upper pressing roller (601) and the primary lower pressing roller (602) are equal.
5. The electric bicycle lithium battery pole piece rolling device according to claim 1, characterized in that: the secondary upper pressing roller (801) and the secondary lower pressing roller (802) are equal in diameter.
6. The electric bicycle lithium battery pole piece rolling device according to claim 1, characterized in that: the diameter of the primary upper pressing roller (601) is larger than that of the secondary upper pressing roller (801).
7. The electric bicycle lithium battery pole piece rolling device according to claim 1, characterized in that: the first front wrap angle roller (603) is located on the clockwise 280-290 degrees direction of the front side of the primary lower pressing roller (602), and the first rear wrap angle roller (604) is located on the clockwise 100-110 degrees direction of the rear side of the primary lower pressing roller (602).
8. The electric bicycle lithium battery pole piece rolling device according to claim 1, characterized in that: the second front corner wrapping roller (803) is positioned on the front side of the secondary lower pressing roller (802) in the clockwise direction of 280-290 degrees, and the second rear corner wrapping roller (804) is positioned on the rear side of the secondary lower pressing roller (802) in the clockwise direction of 100-110 degrees.
9. The electric bicycle lithium battery pole piece rolling device according to claim 1, characterized in that: the clearance between the first front corner wrapping roller (603), the first rear corner wrapping roller (604) and the primary pressing roller (602) is 8-15 mm.
10. The electric bicycle lithium battery pole piece rolling device according to claim 1, characterized in that: and gaps among the second front corner wrapping roller (803), the second rear corner wrapping roller (804) and the secondary lower pressing roller (802) are 8-15 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020213151.6U CN211320210U (en) | 2020-02-26 | 2020-02-26 | Electric bicycle lithium battery pole piece rolling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020213151.6U CN211320210U (en) | 2020-02-26 | 2020-02-26 | Electric bicycle lithium battery pole piece rolling device |
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| Publication Number | Publication Date |
|---|---|
| CN211320210U true CN211320210U (en) | 2020-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020213151.6U Active CN211320210U (en) | 2020-02-26 | 2020-02-26 | Electric bicycle lithium battery pole piece rolling device |
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| CN (1) | CN211320210U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115228931A (en) * | 2022-09-21 | 2022-10-25 | 邢台纳科诺尔精轧科技股份有限公司 | Hot rolling equipment and method for battery pole piece |
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2020
- 2020-02-26 CN CN202020213151.6U patent/CN211320210U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115228931A (en) * | 2022-09-21 | 2022-10-25 | 邢台纳科诺尔精轧科技股份有限公司 | Hot rolling equipment and method for battery pole piece |
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