CN116730073A - Device for unreeling, correcting and cutting pole piece - Google Patents
Device for unreeling, correcting and cutting pole piece Download PDFInfo
- Publication number
- CN116730073A CN116730073A CN202310732163.8A CN202310732163A CN116730073A CN 116730073 A CN116730073 A CN 116730073A CN 202310732163 A CN202310732163 A CN 202310732163A CN 116730073 A CN116730073 A CN 116730073A
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- tension
- pole piece
- cutting
- driving
- deviation
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Links
- 238000005520 cutting process Methods 0.000 title claims abstract description 57
- 238000001514 detection method Methods 0.000 claims abstract description 17
- 238000004364 calculation method Methods 0.000 claims description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 9
- 229910052744 lithium Inorganic materials 0.000 description 9
- 238000012937 correction Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000000576 coating method Methods 0.000 description 3
- 238000003475 lamination Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 239000013072 incoming material Substances 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003708 edge detection Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/044—Sensing web tension
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/02—Registering, tensioning, smoothing or guiding webs transversely
- B65H23/0204—Sensing transverse register of web
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/02—Registering, tensioning, smoothing or guiding webs transversely
- B65H23/032—Controlling transverse register of web
- B65H23/038—Controlling transverse register of web by rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
- B65H35/04—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators
- B65H35/06—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators from or with blade, e.g. shear-blade, cutters or perforators
-
- 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
Landscapes
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention provides a device for unreeling, rectifying and cutting a pole piece, which comprises: the device comprises a driving part, a tension part, a detection part and a cutting part. The driving part drives the pole piece to move and comprises a first driving part and a second driving part; the tension part is used for adjusting the tension of the pole piece tape, and comprises a first tension part and a second tension part; the detection part detects the deviation of the wavy edges of the pole pieces; the cutting part comprises a cutter die, and the cutting part adjusts the cutter die according to the deviation of the wavy edge and then cuts the pole piece. The device for unreeling, rectifying and cutting the pole piece uses two driving parts, and avoids the pole piece driving slipping phenomenon caused by long tape running path. With two tension parts, tension adjustment can be performed again for pole pieces with wavy edges. The detection part detects the width direction of the whole pole piece, improves detection precision aiming at the pole piece with serious wavy edges, and adjusts according to actual data so as to meet the precision requirement. The cutting part adjusts the cutting position according to the deviation of the wavy edge, so that the precision is improved.
Description
Technical Field
The invention relates to the field of new energy, in particular to a device for unreeling, correcting and cutting pole pieces.
Background
With popularization and application of new energy technology, lithium batteries are used as important electrochemical energy devices, and occupy a vital position in the new energy technology. Lithium battery manufacturing technology is used as a representative industry of automation and intellectualization technologies, and lithium battery equipment technology represents the leading direction of the current automation technology. The manufacturing process of the internal pole group of the lithium battery is a core link of the whole lithium battery manufacturing, and plays a role in connecting and determining the front and back working procedures.
In the manufacturing process of the lithium battery, the characteristics of the pole piece determine the machining precision and the rate of the subsequent process. The current manufacturing process of the pole group in the lithium battery is divided into coating, rolling, die cutting, lamination or winding, wherein the current collector is uniformly coated with slurry under the action of certain tension and temperature in the coating process. In the coating process, the pole piece is deformed to a certain extent under the influence of factors such as tension, temperature, roller passing parallelism and the like. And in the rolling process, larger pressure is applied to the upper and lower surfaces of the pole piece, so that the current collector and the dressing are deformed greatly. If the thickness of the incoming material and the deformation of the press roller influence in the rolling process, the pole piece is also greatly deformed. The irregular deformation of the pole piece is now named wave-side deformation in the longitudinal direction. The machining precision of the pole piece is abnormal in the die cutting process, and the distance between the positive pole piece and the separator is abnormal in the lamination or winding process, so that the safety risk of the lithium battery is generated.
In the current pole piece processing process, if a certain wavy edge exists on the pole piece, the lamination or winding speed is reduced mainly according to the manual detection data of the incoming materials, and the tension control size is adjusted. The scheme cannot be adjusted in real time, has low precision, and depends on personnel experience rather than accurate control.
The current scheme uses pole piece wave edge detection to carry out deviation correction control, but the deviation correction precision only can ensure that the pole piece is not deviated when being carried, and the length of the pole piece after being cut cannot be ensured. If the wavy edge exceeds a certain range, the accuracy of the length direction of the cut pole piece cannot reach the standard, and the lithium battery short circuit risk is caused.
Disclosure of Invention
In view of the defects in the prior art, the invention provides a device for unreeling, rectifying and cutting a pole piece, so as to solve the technical problem of low cutting precision after the pole piece generates a wavy edge.
To achieve the above and other related objects, the present invention provides an apparatus for unreeling, rectifying, cutting pole pieces, comprising: the device comprises a driving part, a tension part, a detection part and a cutting part.
The driving part drives the pole piece to move and comprises a first driving part and a second driving part; the tension part is used for adjusting the tension of the pole piece tape, and comprises a first tension part and a second tension part; the detection part detects the deviation of the wavy edges of the pole pieces; the cutting part comprises a cutter die, and the cutting part adjusts the cutter die according to the deviation of the wavy edge and then cuts the pole piece.
In an example of the present invention, the cutting portion is disposed at a rear side of the first driving portion, the detecting portion is disposed at a front side of the first driving portion, the detecting portion is provided at a front side with the second driving portion, the second tension portion is disposed between the second driving portion and the detecting portion, and the first tension portion is disposed at a front side of the second driving portion.
In an example of the present invention, a buffer portion is provided between the first tension portion and the second driving portion, and the buffer portion is provided near the second driving portion.
In an example of the present invention, a first tension detecting device is provided between the first tension portion and the buffer portion; a second tension detecting device is arranged between the second tension part and the detecting part.
In an example of the present invention, a correction portion is provided between the first tension portion and the buffer portion.
In one example of the present invention, the deviation rectifying portion includes a sensor that detects a pole piece edge deviation distance and a deviation rectifying roller that moves in a pole piece width direction according to the pole piece edge deviation distance.
In one example of the invention, the buffer part carries out linear reciprocating motion along the direction perpendicular to the pole piece tape, drives the pole piece to move and adjusts the tightness of the pole piece.
In an example of the present invention, the cutting part includes a cutting driving device, a screw rod and a fixing part, and the cutting driving device drives the screw rod to drive the cutter die to move.
In an example of the invention, the cutter die is arranged on a screw rod, two ends of the screw rod are provided with fixing parts, and one end of the screw rod is provided with a cutting driving device; the fixing part is provided with threads matched with the screw rod.
In one example of the present invention, the wave edge deviation calculation formula is Wherein ΣΔd is the wavy edge deviation, d 2 Half the node length, d 3 Δd is the deviation value of a single wave, and n is the number of waves.
The device for unreeling, rectifying and cutting the pole piece uses two driving parts, and avoids the pole piece driving slipping phenomenon caused by long tape running path. With two tension parts, tension adjustment can be performed again for pole pieces with wavy edges. The detection part detects the width direction of the whole pole piece, improves detection precision aiming at the pole piece with serious wavy edges, and adjusts according to actual data so as to meet the precision requirement. The cutting part adjusts the cutting position according to the deviation of the wavy edge, so that the precision is improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of an apparatus for unreeling, rectifying, and cutting pole pieces in an embodiment of the present invention;
FIG. 2 is a schematic view of a cutting portion according to an embodiment of the invention;
FIG. 3 is a schematic diagram of a detecting portion according to an embodiment of the invention;
fig. 4 is a schematic flow chart of an apparatus for unreeling, rectifying and cutting pole pieces in an embodiment of the invention.
Description of element reference numerals
110. A first driving section; 120. a second driving section; 210. a first tension portion. 220. A second tension section; 300. a detection unit; 400. a cutting section; 410. a cutter die; 420. a cutting drive; 430. a screw rod; 440. a fixing part; 500. a buffer section; 610. a first tension detecting means; 620. a second tension detecting means; 700. and a deviation correcting part.
Detailed Description
Other advantages and effects of the present invention will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present invention with reference to specific examples. The invention may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present invention. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict. It is also to be understood that the terminology used in the examples of the invention is for the purpose of describing particular embodiments only, and is not intended to limit the scope of the invention. The test methods in the following examples, in which specific conditions are not noted, are generally conducted under conventional conditions or under conditions recommended by the respective manufacturers.
Where numerical ranges are provided in the examples, it is understood that unless otherwise stated herein, both endpoints of each numerical range and any number between the two endpoints are significant both in the numerical range. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs and to which this invention belongs, and any method, apparatus, or material of the prior art similar or equivalent to the methods, apparatus, or materials described in the examples of this invention may be used to practice the invention.
It should be understood that the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like are used in this specification for descriptive purposes only and not for purposes of limitation, and that the invention may be practiced without materially departing from the novel teachings and without departing from the scope of the invention.
Referring to fig. 1 to 4, an apparatus for unreeling, rectifying and cutting pole pieces includes: a driving part, a tension part, a detecting part 300, and a cutting part 400.
The driving part drives the pole piece to move, and comprises a first driving part 110 and a second driving part 120; the pole piece driving slipping phenomenon caused by longer tape path can be avoided by using two driving parts for driving. The tension part adjusts the tension of the pole piece tape, and comprises a first tension part 210 and a second tension part 220; because a certain time interval exists in the control process between the two-stage driving, a tension part is additionally arranged between the two-stage driving, the pole pieces are prevented from being wrinkled at the position, the tape feeding tension is adjusted in real time, and the tape feeding precision is ensured. The detecting part 300 detects the deviation of the wavy edge of the pole piece, so as to obtain the difference value between the actual length and the measured length of the pole piece, and the real-time feedback is carried out to ensure the precision; the cutting part 400 comprises a cutter die 410, the cutting part 400 adjusts the cutter die 410 according to the deviation of the wavy edge to cut the pole piece, and the position of the cutter die 410 is adjusted in real time to perform closed-loop control so as to ensure the cutting precision.
Referring to fig. 1, in an embodiment of the invention, a pole piece passing portion is a front side, and a pole piece passing portion is a rear side. The cutting part 400 is disposed at the rear side of the first driving part 110, the detecting part 300 is disposed at the front side of the first driving part 110, the second driving part 120 is disposed at the front side of the detecting part 300, the second tension part 220 is disposed between the second driving part 120 and the detecting part 300, and the first tension part 210 is disposed at the front side of the second driving part 120. As shown in the figure, a plurality of steering rollers are also arranged between the parts so as to change the direction of pole piece tape running, thereby ensuring that the parts are in proper relative positions.
As shown in fig. 1, in an embodiment of the present invention, a buffer portion 500 is disposed between the first tension portion 210 and the second driving portion 120, and the buffer portion 500 is disposed near the second driving portion 120. The buffer part 500 performs linear reciprocating motion along the direction perpendicular to the pole piece tape feeding direction, and drives the pole piece to move, so as to adjust the pole piece tightness. The buffer portion 500 is provided to prevent the driving portion from causing tension fluctuation influence on the pole piece. As the driving part drives the pole piece to perform the tape feeding, the buffer part 500 moves downward, so that the pole piece at the rear side of the buffer part 500 performs the tape feeding. When the buffer part 500 descends to the lowest end, the buffer part 500 moves up to the top end while pulling the pole piece at the front side of the buffer part 500, and the buffer part 500 reciprocates in a cycle.
As shown in fig. 1, in an embodiment of the present invention, a first tension detecting device 610 is disposed between the first tension portion 210 and the buffer portion 500; a second tension detecting device 620 is provided between the second tension portion 220 and the detecting portion 300, and the first tension detecting device 610 and the second tension detecting device 620 detect the tension of the pole piece at the positions where the tension detecting devices are provided in real time, respectively. The tension part adjusts the tension according to the detection result. In this embodiment Zhang Libu is provided on the motor, the tension of the pole piece is adjusted by rotating different angles, and when the tension of the detection result of the tension detection device is too large, the tension portion relaxes the pole piece so that the pole piece is in a proper tension range. When the tension of the detection result of the tension detection device is too small, the tension part tightens the pole piece so that the pole piece is in a proper tension range.
In one embodiment of the present invention, as shown in fig. 1, the moving direction of the pole piece tape is taken as the length direction, and the direction perpendicular to the length direction on the pole piece is taken as the width direction. A deviation rectifying unit 700 is provided between the first tension unit 210 and the buffer unit 500. The deviation rectifying part 700 includes a sensor that detects the deviation distance of the pole piece edge and a deviation rectifying roller that moves in the width direction of the pole piece according to the deviation distance of the pole piece edge. The sensor detects the edge of the pole piece in real time, and when the pole piece deviates in the width direction, the deviation correcting roller moves to push the pole piece back to the original position.
Referring to fig. 2, in an embodiment of the present invention, a cutting part 400 includes a cutting driving device 420, a screw 430 and a fixing part 440; the cutting driving device 420 drives the screw rod to drive the cutter die 410 to move. The cutter mold 410 is disposed on a screw rod 430, both ends of the screw rod 430 are provided with fixing portions 440, one end of which is provided with a cutting driving device 420; the fixing portion 440 is provided with a bearing, and the screw is interference fit with the bearing. The cutter grinder of the cutting device can move along the screw rod 430 to adjust the cutting position, thereby improving the cutting precision.
Referring to fig. 3, in an embodiment of the invention, the wave edge deviation calculation formula is as followsWherein ΣΔd is the wavy edge deviation, d 2 Half the node length, d 3 For the sum of the wave crest and the wave trough, Δd is the deviation value of single wave, n is the number of waves, the detecting part 300 detects the deviation of the wave edge, and the deviation generated by the wave edge is calculated through a calculation formula, so that the cutting position of the cutter grinding tool is adjusted according to the deviation, and the cutting precision is improved.
Referring to fig. 4, in an embodiment of the present invention, after the pole piece is unreeled, the pole piece passes through the first tension portion 210 and then passes through the first tension detecting device 610. The first tension detecting means 610 detects the tension therein in real time, and the first tension portion 210 changes the position of the first tension portion 210 according to the tension data detected by the first tension detecting means 610 in real time, thereby adjusting the tension of the pole piece. After the pole piece passes through the first tension detection device 610, the edge of the pole piece is detected by a sensor in the deviation correction part 700 through the deviation correction part 700, and the deviation correction roller of the deviation correction part 700 corrects the pole piece to prevent the pole piece from being deviated due to tape running. The pole piece continues to be carried out, the pole piece passes through the buffer part 500, the pole piece passes through the second driving part 120, and the pole piece passes through the second tension part 220 and the second tension detecting device 620. The second tension detecting means 620 detects the pole piece feeding tension in real time, and the second tension part 220 changes the position of the second tension part 220 according to the tension data detected by the second tension detecting means 620 in real time, thereby adjusting the tension of the pole piece. The pole piece is continuously moved after being adjusted to proper tension, the pole piece passes through the detecting part 300, the deviation of the wavy edge of the pole piece is detected in real time, the cutter die 410 in the cutting part 400 is adjusted in position in real time according to the deviation of the wavy edge, and meanwhile, the first driving part 110 drives the pole piece to move and cut. The first tension portion 210 and the second tension portion 220 simultaneously adjust the tension according to the wavy edge deviation.
The device for unreeling, correcting and cutting the pole piece has the beneficial effect of improving the cutting precision. Therefore, the invention effectively overcomes some practical problems in the prior art, thereby having high utilization value and use significance. The above embodiments are merely illustrative of the principles of the present invention and its effectiveness, and are not intended to limit the invention. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications and variations of the invention be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (10)
1. A device for unreeling, rectifying and cutting a pole piece, which is characterized by comprising:
the driving part drives the pole piece to move, and comprises a first driving part and a second driving part;
the tension part is used for adjusting the tension of the pole piece tape, and comprises a first tension part and a second tension part;
the detection part is used for detecting the deviation of the wavy edges of the pole pieces;
the cutting part comprises a cutter die, and the cutting part adjusts the cutter die according to the deviation of the wavy edge and then cuts the pole piece.
2. The device of claim 1, wherein the cutting portion is disposed on a rear side of the first driving portion, the detecting portion is disposed on a front side of the second driving portion, the second tension portion is disposed between the second driving portion and the detecting portion, and the first tension portion is disposed on a front side of the second driving portion.
3. The device of claim 2, wherein a buffer portion is disposed between the first tension portion and the second drive portion, the buffer portion being disposed proximate to the second drive portion.
4. A device according to claim 3, wherein a first tension detecting means is provided between the first tension portion and the buffer portion; a second tension detecting device is arranged between the second tension part and the detecting part.
5. The apparatus of claim 4, wherein a rectifying portion is disposed between the first tension portion and the buffer portion.
6. The apparatus according to claim 5, wherein the deviation rectifying portion includes a sensor that detects the pole piece edge deviation distance and a deviation rectifying roller that moves in the pole piece width direction according to the pole piece edge deviation distance.
7. A device according to claim 3, wherein the buffer portion reciprocates linearly in a direction perpendicular to the direction of the pole piece tape and moves the pole piece.
8. The apparatus of claim 1, wherein the cutting section comprises a cutting drive, a screw, and a fixed section, the cutting drive driving the screw to move the cutter die.
9. The device according to claim 8, wherein the cutter die is provided on the screw, both ends of the screw are provided with fixing parts, and one end of the screw is provided with a cutting driving device; the fixing part is provided with threads matched with the screw rod.
10. According toThe apparatus of claim 1, wherein the wavy edge deviation calculation formula isWherein ΣΔd is the wavy edge deviation, d 2 Half the node length, d 3 Δd is the deviation value of a single wave, and n is the number of waves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310732163.8A CN116730073A (en) | 2023-06-20 | 2023-06-20 | Device for unreeling, correcting and cutting pole piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310732163.8A CN116730073A (en) | 2023-06-20 | 2023-06-20 | Device for unreeling, correcting and cutting pole piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116730073A true CN116730073A (en) | 2023-09-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310732163.8A Pending CN116730073A (en) | 2023-06-20 | 2023-06-20 | Device for unreeling, correcting and cutting pole piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116730073A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117718609A (en) * | 2024-02-07 | 2024-03-19 | 蔚来电池科技(安徽)有限公司 | Control method for pole piece slitting system and pole piece slitting system |
-
2023
- 2023-06-20 CN CN202310732163.8A patent/CN116730073A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117718609A (en) * | 2024-02-07 | 2024-03-19 | 蔚来电池科技(安徽)有限公司 | Control method for pole piece slitting system and pole piece slitting system |
| CN117718609B (en) * | 2024-02-07 | 2024-05-10 | 蔚来电池科技(安徽)有限公司 | Control method for pole piece slitting system and pole piece slitting system |
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