CN218261063U - Pole piece winding device and battery production line - Google Patents
Pole piece winding device and battery production line Download PDFInfo
- Publication number
- CN218261063U CN218261063U CN202222592777.4U CN202222592777U CN218261063U CN 218261063 U CN218261063 U CN 218261063U CN 202222592777 U CN202222592777 U CN 202222592777U CN 218261063 U CN218261063 U CN 218261063U
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- China
- Prior art keywords
- pole piece
- cooling
- winding device
- guide roll
- guide roller
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 238000004804 winding Methods 0.000 title claims description 19
- 238000001816 cooling Methods 0.000 claims abstract description 57
- 238000010438 heat treatment Methods 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 6
- 238000005485 electric heating Methods 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 5
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 3
- 239000001569 carbon dioxide Substances 0.000 claims description 3
- 239000001307 helium Substances 0.000 claims description 3
- 229910052734 helium Inorganic materials 0.000 claims description 3
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 10
- 238000005096 rolling process Methods 0.000 abstract description 6
- 230000007306 turnover Effects 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000007710 freezing Methods 0.000 description 3
- 230000008014 freezing Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
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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 embodiment of the utility model discloses pole piece take-up device and battery production line for solve the pole piece at the in-process through the guide roll, the technical problem who turns over a book often appears in utmost point ear on the pole piece. The embodiment of the utility model provides an include the frame, install the discharge roller that is used for placing the pole piece coil stock in the frame and a plurality of guide roll of arranging along pole piece moving direction, the guide roll includes first guide roll, follows on the pole piece moving direction, it is right to be provided with at least one and is used for the utmost point ear of pole piece carries out refrigerated cooling module. In this embodiment, the pole piece removes along the guide roll after the ejection of compact of discharge roller to in-process cooling module in the removal, the cooling module can carry out quick cooling so that the hardness of utmost point ear strengthens in the short time to utmost point ear on the pole piece, thereby makes the pole piece when the guide roll greatly reduced utmost point ear turn over the probability of rolling over.
Description
Technical Field
The utility model relates to a battery production technical field especially relates to a pole piece take-up device and battery production line.
Background
With the development of lithium ion battery technology, batteries with high energy density have become a development trend. The use of thinner battery plates is becoming the first choice.
In the production of battery, the utmost point ear is gone out to the mode that generally adopts the cross cutting on the pole piece, form the back at utmost point ear, often need use pole piece take-up device to carry out the rolling operation to the pole piece, as shown in fig. 3, in rolling operation process, the pole piece need be through a plurality of guide rolls, utmost point ear on the pole piece is less because self material is softer and thickness, the condition of rolling over appears easily when the guide roll is passed through to utmost point ear, along with the continuous attenuate trend of the thickness of battery pole piece, the problem that the utmost point ear was rolled over a book can be more and more serious, utmost point ear is a very tricky problem in the battery production, production efficiency has both been influenced, also greatly increased the safety risk of battery.
Therefore, it is an important subject to be studied by those skilled in the art to find a solution to the above-mentioned technical problems.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model discloses pole piece winding device and battery production line for solve the pole piece at the in-process through the guide roll, the technical problem who turns over a book often appears in utmost point ear on the pole piece.
The embodiment of the utility model provides a pole piece take-up device, which comprises a frame, install the discharge roller that is used for placing the pole piece coil stock in the frame and a plurality of guide roll of arranging along pole piece moving direction, the guide roll includes first guide roll, follows on the pole piece moving direction, it is right to be provided with at least one the utmost point ear of pole piece carries out refrigerated cooling module.
Optionally, in the moving direction of the pole piece, the number of the cooling modules is one, and the cooling modules are located between the guide roller arranged adjacent to the first guide roller and the first guide roller.
Optionally, in the direction of the moving track of the pole piece, the number of the cooling modules is multiple, and the cooling module is arranged between every two adjacent guide rollers.
Optionally, the guide rollers are arranged in two up-and-down parallel straight lines on the frame, so that the pole piece is discharged from the discharge roller, moves along a first horizontal direction, and then turns to a second horizontal direction to move, wherein the first horizontal direction is opposite to the second horizontal direction.
Optionally, the cooling module includes an accommodating box for accommodating a cooling substance, and an opening for cooling the tab is formed at a position of the accommodating box corresponding to the tab.
Optionally, the side edge of the opening close to the pole piece is 0 to 1mm away from the root of the tab.
Optionally, the cooling substance is liquid nitrogen or liquid carbon dioxide or liquid helium.
Optionally, a heating module is arranged at the peripheral edge of the opening.
Optionally, the heating temperature range of the heating module is 60 ℃ to 90 ℃.
Optionally, the heating module is an electric heating wire;
the electric heating wire is wound at the peripheral edge of the opening.
Optionally, the cooling temperature range of the cooling module is-30 ℃ to-300 ℃.
The embodiment of the utility model provides a battery production line, a serial communication port, including foretell pole piece take-up device.
According to the technical solution provided by the utility model, the embodiment of the utility model has the following advantage:
in this embodiment, the pole piece removes along the guide roll after the ejection of compact of discharge roller to in-process cooling module in the removal, the cooling module can carry out quick cooling so that the hardness of utmost point ear strengthens in the short time to utmost point ear on the pole piece, thereby makes the pole piece when the guide roll greatly reduced utmost point ear turn over the probability of rolling over.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a pole piece winding device provided in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a cooling module of a pole piece winding device according to an embodiment of the present invention;
fig. 3 is a schematic diagram illustrating a situation that a tab on a pole piece is folded after passing through a guide roller in the prior art;
FIG. 4 is a schematic view of a prior art arrangement of a plurality of guide rollers through which a pole piece passes after being discharged from a discharge roller;
illustration of the drawings: a discharge roller 1; a first guide roller 2; a second guide roller 3; a third guide roller 4; a fourth guide roller 5; a fifth guide roller 6; a sixth guide roller 7; a cooling module 8; an accommodation case 801; an opening 802; a heating module 803; a frame 9; a guide roller 10 in the related art; a pole piece material roll A; pole piece B; a tab C; a first horizontal direction S1; a second horizontal direction S2.
Detailed Description
The embodiment of the utility model discloses pole piece take-up device and battery production line for solve the pole piece at the in-process through the guide roll, the technical problem who turns over a book often appears in utmost point ear on the pole piece.
In order to make the technical field better understand the solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and the detailed description. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1 to fig. 2, a pole piece winding device provided in the present embodiment includes:
frame 9, install the guide roll that is used for placing the discharge roller 1 and a plurality of edge pole piece moving direction of pole piece coil stock and arranges in frame 9, the guide roll includes first guide roll 2, and the definition pole piece is followed the first guide roll that 1 ejection of compact back of discharge roller passed through is first guide roll 2, follows on the moving direction of pole piece, it is right to be provided with at least one the utmost point ear of pole piece carries out refrigerated cooling module 8.
The guide roller is mainly used for guiding the pole piece discharged from the discharging roller 1, and the guide direction is a preset pole piece moving direction. The cooling module 8 is mounted on the frame 9.
In this embodiment, the pole piece removes along the guide roll after 1 ejection of compact of discharge roller to in-process cooling module 8 that removes, cooling module 8 can carry out quick cooling so that the hardness of utmost point ear strengthens in the short time to utmost point ear on the pole piece, thereby makes the pole piece the turn over of greatly reduced utmost point ear probability of rolling over when the guide roll.
Further, in this embodiment, along the moving direction of the pole piece, the number of the cooling modules 8 is one, and the cooling module 8 is located between the guide roller adjacent to the first guide roller 2 and the first guide roller 2.
Preferably, in this embodiment, in the moving direction of the pole piece, the number of the cooling modules 8 is multiple, and the cooling module 8 is arranged between every two adjacent guide rollers.
Furthermore, the guide rollers are linearly arranged on the frame 9 in two up-and-down parallel directions, so that the pole piece is discharged from the discharge roller 1, moves along a first horizontal direction, and then turns to a second horizontal direction to move, wherein the first horizontal direction is opposite to the second horizontal direction.
Specifically, the arrangement of the guide rollers will be specifically described in an embodiment, please refer to fig. 1, where the number of the guide rollers in fig. 1 is 6, and the 6 guide rollers are respectively a first guide roller 2, a second guide roller 3, a third guide roller 4, a fourth guide roller 5, a fifth guide roller 6 and a sixth guide roller 7 for guiding the pole piece in sequence; the first guide roller 2, the second guide roller 3, the third guide roller 4 is arranged in order along the horizontal direction at the discharge end of the discharge roller 1, wherein the first guide roller 2, the second guide roller 3, the third guide roller 4 is used for guiding the pole piece from the discharge roller to the first horizontal direction, the fourth guide roller 5 is located above the first guide roller 2, the fifth guide roller 6 is located above the second guide roller 3, the sixth guide roller 7 is located above the third guide roller 4, and the fourth guide roller 5, the fifth guide roller 6 and the sixth guide roller 7 are arranged in order along the horizontal direction, the fourth guide roller 5, the fifth guide roller 6 and the sixth guide roller 7 are used for guiding the pole piece to the second horizontal direction, and in addition, the pole piece finishes the turning from the first horizontal direction to the second horizontal direction after passing through the third guide roller 4 and the fourth guide roller 5 in order.
In the above-described guide roller arrangement, the cooling module 8 may be provided between the first guide roller 2 and the second guide roller 3, the cooling module 8 may be provided between the second guide roller 3 and the third guide roller 4, the cooling module 8 may be provided between the fourth guide roller 5 and the fifth guide roller 6, and the cooling module 8 may be provided between the fifth guide roller 6 and the sixth guide roller 7.
It should be noted that, as shown in fig. 4, in the pole piece winding process of the prior art, a plurality of guide rollers at the discharge end of the pole piece discharge roller 1 are arranged in an inverted L shape, the pole piece feeding angle between the guide rollers is small, and therefore, the pole lug is more easily turned over when passing through the rollers, and the thickness of the pole lug is also smaller, so that the problem of turning over the pole lug is more easily caused in the process of upward accelerated movement. In order to overcome the above situation, in this embodiment, the arrangement of the guide roller group is improved, specifically, after the pole piece is discharged by the discharging roller 1, the pole piece sequentially passes through the first guide roller 2, the second guide roller 3 and the third guide roller 4 in the horizontal left direction, then turns from the third guide roller 4 to the fourth guide roller 5, and then sequentially passes through the fifth guide roller 6 and the sixth guide roller 7 in the horizontal right direction from the fourth guide roller 5.
On foretell guide roll arrangement, pole piece removal in-process utmost point ear still passes through the cooling of cooling module 8, and cooling module 8 cools off the utmost point ear fast so that the hardness of utmost point ear strengthens in the short time, and greatly reduced utmost point ear turns over a probability when crossing the roller.
Further, the cooling module 8 in this embodiment includes an accommodating box 801 for accommodating a cooling substance, and an opening 802 for cooling the tab is opened at a position where the accommodating box 801 corresponds to the tab;
the cooling temperature range of the cooling module 8 is from-30 ℃ to-300 ℃.
It should be noted that the time for the tab on the pole piece to pass through the opening 802 is 1 second to 5 seconds, so that the cooling hardening effect can be achieved, and the hardening effect can be maintained for 5 seconds to 60 seconds, so as to ensure that the tab reduces the folding probability or does not fold when passing through the subsequent guide roller. In addition, because the stiffening effect of utmost point ear can keep foretell time quantum, consequently, after the pole piece passes through the cooling module 8 behind first guide roll 2, can pass through two guide rolls or three guide rolls etc. in rear again by cooling module 8 and cool off, specifically by the stiffening effect holding time of utmost point ear definite.
Further, the side edge of the opening 802 close to the pole piece is 0 to 1mm away from the root of the tab.
Note that, in order to enable the opening 802 to cool only the tab, in this embodiment, the length of the opening 802 from the root of the tab to the side edge of the pole piece is set to be 0 to 1mm.
Further, the cooling substance in this embodiment is liquid nitrogen or liquid carbon dioxide or liquid helium.
Further, the peripheral edges of the opening 802 in this embodiment are provided with heating modules 803 for preventing the outside water vapor from freezing and freezing at the peripheral edges of the opening 802.
It should be noted that, since the outside air contains water vapor, when the water vapor meets the opening 802 of the cooling module 8, the water vapor is rapidly solidified and frozen at the opening 802, and there is a risk that the frozen water may scratch the ear. Therefore, to solve the above problem, the present embodiment provides the heating module 803 at the edge of the opening 802 to prevent the water vapor from freezing at the peripheral edge of the opening 802.
Further, the heating temperature range of the heating module 803 in this embodiment is 60 ℃ to 90 ℃
Further, the heating module 803 in this embodiment is an electric heating wire;
the electric heating wires are wound at the peripheral edges of the opening 802.
Example two
Referring to fig. 1 to 2, a battery production line is provided in the present embodiment, including a pole piece winding apparatus in the first embodiment.
It should be noted that, after the electrode plate winding device in the first embodiment is introduced to the battery production line, the probability of the electrode tabs on the electrode plate being folded is greatly reduced, the production efficiency of the battery is further improved, and the safety risk of the battery is reduced.
It is right above the utility model provides a pole piece take-up device and battery production line have carried out detailed introduction, to the general technical personnel in this field, according to the utility model discloses the thought of embodiment all has the change part on concrete implementation and application scope, to sum up, this specification content should not be understood as right the utility model discloses a restriction.
Claims (12)
1. The utility model provides a pole piece take-up device, its characterized in that, includes the frame, install the discharge roller that is used for placing the pole piece coil stock in the frame and a plurality of guide roll of arranging along pole piece moving direction, the guide roll includes first guide roll, follows on the pole piece moving direction, it is right to be provided with at least one the utmost point ear of pole piece carries out refrigerated cooling module.
2. The pole piece winding device according to claim 1, wherein the number of the cooling modules is one in the moving direction of the pole piece, and the cooling module is located between a guide roller disposed adjacent to the first guide roller and the first guide roller.
3. The pole piece winding device according to claim 1, wherein the number of the cooling modules is plural along the moving track direction of the pole piece, and the cooling module is arranged between every two adjacent guide rollers.
4. The pole piece winding device according to claim 1, wherein the guide rollers are arranged in two up-and-down parallel straight lines on the frame so that the pole piece is discharged from the discharge roller and moves along a first horizontal direction and then turns to a second horizontal direction, and the first horizontal direction is opposite to the second horizontal direction.
5. The pole piece winding device according to claim 1, wherein the cooling module comprises a housing box for placing a cooling material, and an opening for cooling the tab is formed at a position of the housing box corresponding to the tab.
6. The pole piece winding device according to claim 5, wherein the opening is spaced from the root of the tab by 0 to 1mm near the side edge of the pole piece.
7. The pole piece take-up device of claim 5, wherein the cooling substance is liquid nitrogen or liquid carbon dioxide or liquid helium.
8. The pole piece winding device according to claim 5, wherein a heating module is disposed at a peripheral edge of the opening.
9. The pole piece winding device according to claim 8, wherein the heating temperature range of the heating module is 60 ℃ to 90 ℃.
10. The pole piece winding device according to claim 8, wherein the heating module is an electric heating wire;
the electric heating wire is wound at the peripheral edge of the opening.
11. The pole piece winding device according to claim 1, wherein the cooling temperature of the cooling module ranges from-30 ℃ to-300 ℃.
12. A battery production line, characterized in that it comprises a pole piece winding device according to any one of claims 1 to 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222592777.4U CN218261063U (en) | 2022-09-29 | 2022-09-29 | Pole piece winding device and battery production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222592777.4U CN218261063U (en) | 2022-09-29 | 2022-09-29 | Pole piece winding device and battery production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218261063U true CN218261063U (en) | 2023-01-10 |
Family
ID=84748662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222592777.4U Active CN218261063U (en) | 2022-09-29 | 2022-09-29 | Pole piece winding device and battery production line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218261063U (en) |
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2022
- 2022-09-29 CN CN202222592777.4U patent/CN218261063U/en active Active
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