CN117161805A - Deviation correcting system and deviation correcting method for lithium battery pole piece dividing and cutting machine - Google Patents
Deviation correcting system and deviation correcting method for lithium battery pole piece dividing and cutting machine Download PDFInfo
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- CN117161805A CN117161805A CN202311403087.2A CN202311403087A CN117161805A CN 117161805 A CN117161805 A CN 117161805A CN 202311403087 A CN202311403087 A CN 202311403087A CN 117161805 A CN117161805 A CN 117161805A
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- pole piece
- photoelectric sensors
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000004891 communication Methods 0.000 claims abstract description 14
- 238000009434 installation Methods 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 4
- 230000000007 visual effect Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 14
- 239000010410 layer Substances 0.000 description 33
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 239000002355 dual-layer Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000003079 width control Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Classifications
-
- 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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- Control Of Position Or Direction (AREA)
Abstract
The invention discloses a correction system and a correction method for a lithium battery pole piece splitting machine, wherein the correction system comprises a double-layer mounting frame, two photoelectric sensors, an upper driving assembly and a deflection controller, wherein a movable mounting bracket is arranged on the upper layer of the double-layer mounting frame, the two photoelectric sensors are movably arranged on the mounting bracket, the upper driving assembly is respectively connected with the mounting bracket and the two photoelectric sensors, the upper driving assembly is used for driving the mounting bracket to horizontally move and is used for driving the two photoelectric sensors to move in opposite directions or in opposite directions, the deflection controller is in data communication with the two photoelectric sensors, and the deflection controller corrects the pole piece on the splitting machine according to received information. The deviation correcting system can simultaneously run outwards or inwards through the two photoelectric sensors so as to ensure that the edge of a material can be automatically found when the width of the material is changed, and can also simultaneously move leftwards or rightwards so as to finish the movement of the central point of the centering deviation correcting.
Description
Technical Field
The invention relates to the technical field of pole piece slitting, in particular to a deviation rectifying system and a deviation rectifying method for a lithium battery pole piece slitting machine.
Background
The production process of the lithium battery is divided into three stages of front, middle and rear, the purpose of the front stage process is to process raw materials into pole pieces, the function of a dividing and cutting machine is to divide the rolled pole pieces into required widths, and as the length of the dividing and cutting machine equipment is tens of meters, position deviation can occur in the running process of the pole pieces, in order to ensure that the copper film and the aluminum film can stably and effectively run on the pole pieces, precise width control is realized, and the correction is required by selecting different driving modes to match with a responsive control system.
In a lithium battery slitting machine system, a dual-sensor centering deviation correcting mode is generally adopted. Two photoelectric sensors are respectively arranged at two edges of the material, the center of the material coating is taken as a correction center point, and whether the width of the material changes or not is always ensured to be on the same straight line. When the material width changes, the sensor position is also adjusted as the material width changes.
The existing scheme utilizes manual adjustment of the sensor position through a special bracket, but if the material width changes frequently, the manual adjustment of the sensor position can reduce the production efficiency.
Disclosure of Invention
The invention aims to solve at least one of the technical problems in the related art to a certain extent, and can improve the deviation rectifying effect of the pole piece on the premise of not influencing the production efficiency of the splitting machine.
To this end, an embodiment of one aspect of the present invention proposes a correction system for a lithium battery pole piece slitting machine.
The embodiment of the other aspect of the invention also provides a deviation rectifying method for the lithium battery pole piece dividing and cutting machine.
An embodiment of a deviation rectifying system for a lithium battery pole piece splitting machine according to a first aspect of the present invention comprises: the double-layer mounting frame is arranged above the pole piece running on the splitting machine, and a movable mounting bracket is arranged on the upper layer of the double-layer mounting frame; two photoelectric sensors, two said photoelectric sensors are movably set up on said mounting bracket; the upper layer driving assembly is arranged on the upper layer of the double-layer mounting frame and is respectively connected with the mounting bracket and the two photoelectric sensors, and the upper layer driving assembly is used for driving the mounting bracket to horizontally move and driving the two photoelectric sensors to oppositely or reversely move; the rectification controller is arranged at the lower layer of the double-layer mounting rack and is in data communication with the two photoelectric sensors, and the rectification controller rectifies the pole piece on the splitting machine according to the received information.
According to the deviation rectifying system for the lithium battery pole piece splitting machine, disclosed by the embodiment of the invention, the two photoelectric sensors can simultaneously run outwards or simultaneously inwards so as to ensure that the edge of a material can be automatically found when the width of the material is changed, and the two photoelectric sensors can also simultaneously move leftwards or rightwards so as to finish the movement of the central point for centering and rectifying.
In some embodiments, the upper drive assembly includes two stepper motors, both of which are disposed on an upper layer of the double-layer mount. The first step motor is connected with the mounting bracket and used for driving the mounting bracket to horizontally move on the double-layer mounting bracket. The second stepping motor is connected with the two photoelectric sensors and used for driving the two photoelectric sensors to move oppositely or reversely on the mounting bracket.
In some embodiments, the deviation rectifying system further comprises a lower driving assembly, wherein the lower driving assembly is arranged on the lower layer of the double-layer mounting frame, and the lower driving assembly is connected with the deviation rectifying controller.
In some embodiments, the lower drive assembly includes a brushless dc motor coupled to the deviation rectifying controller.
In some embodiments, the deviation correcting system further comprises a vision sensor arranged above the pole piece running on the splitting machine, and the vision sensor is positioned behind the double-layer mounting frame along the running direction of the pole piece. The visual sensor is in data communication with the deviation rectifying controller, and the deviation rectifying controller carries out secondary deviation rectifying on the pole piece on the splitting machine according to the received information.
In some embodiments, the deviation rectifying system further includes a data communicator, the data communicator is disposed on the double-layer mounting rack, the data communicator is connected to the deviation rectifying controller, and the data communicator is used for communicating the deviation rectifying controller with an external control terminal.
In some embodiments, the deviation rectifying controller comprises a control end and a deviation rectifying component, the control end is in data communication with the two photoelectric sensors, and the control end drives the deviation rectifying component to rectify according to the received information.
The deviation rectifying method according to the embodiment of the second aspect of the present invention includes: detecting the positions of the edges of the two sides of the pole piece through the two photoelectric sensors; receiving the position information detected by the two photoelectric sensors through the deviation correcting controller, and comparing the position information with preset information to obtain a comparison result; and the deviation rectifying controller rectifies the pole piece according to the comparison result.
In some embodiments, before detecting the positions of the two side edges of the pole piece by the two photoelectric sensors, obtaining basic information of the pole piece, and adjusting the detection positions of the two photoelectric sensors according to the basic information.
In some embodiments, the basic information includes, but is not limited to, the width of the pole piece, the centerline position of the pole piece, and the two side edge positions of the pole piece.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure. Other features and aspects of the present disclosure will become apparent from the following detailed description of exemplary embodiments, which proceeds with reference to the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a correction system in accordance with one embodiment of the present invention.
Fig. 2 is another schematic diagram of a deskewing system according to an embodiment of the invention.
Fig. 3 is yet another schematic diagram of a correction system in accordance with one embodiment of the present invention.
Reference numerals:
the device comprises a correction system 100, a double-layer mounting frame 10, a mounting bracket 11, a photoelectric sensor 20, an upper-layer driving assembly 30, a stepping motor 31, a correction controller 40, a control end 41, a correction component 42, a lower-layer driving assembly 50, a visual sensor 60 and a data communication device 70.
Slitting machine 200, pole piece 201.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The correction system is composed of three parts, namely a detection sensor for detecting the paint edge of the copper foil and the aluminum foil. And the second is a controller which receives the edge position signal of the sensor, processes the signal and outputs the signal to the driver. And thirdly, a driving mechanism is used for guiding the coiled material to a preset position.
As shown in fig. 1 to 3, the rectification system 100 for a lithium battery pole-piece splitting machine according to the embodiment of the first aspect of the present invention includes a double-layered mounting frame 10, two photoelectric sensors 20, an upper driving assembly 30, and a rectification controller 40.
The double-layer installation frame 10 is arranged above the pole piece 201 running on the splitting machine 200, a movable installation bracket 11 is arranged on the upper layer of the double-layer installation frame 10, and two photoelectric sensors 20 are movably arranged on the installation bracket 11.
Specifically, as shown in fig. 1-3, the double-layer mounting rack 10 is an upper-lower two-layer mounting rack, a movable mounting bracket 11 is arranged on the upper layer of the double-layer mounting rack 10, and two photoelectric sensors 20 are sleeved on the mounting bracket 11, so that the two photoelectric sensors 20 can be driven to move by moving the mounting bracket 11, and the relative distance between the two photoelectric sensors 20 is kept unchanged. Therefore, in the actual production process, the relative distance between the two photoelectric sensors 20 does not need to be repeatedly adjusted when the pole pieces 201 with the same size are cut, so that the working efficiency of the cutting machine 200 is effectively improved.
Further, as shown in fig. 1-3, the two photoelectric sensors 20 can also move on the mounting bracket 11, so that in the actual production process, for the pole pieces 201 with different sizes, when they are slit, the relative distance between the two photoelectric sensors 20 can be quickly adjusted, and the working efficiency of the slitting machine 200 is effectively improved.
The upper driving assembly 30 is arranged on the upper layer of the double-layer installation frame 10, the upper driving assembly 30 is respectively connected with the installation support 11 and the two photoelectric sensors 20, and the upper driving assembly 30 is used for driving the installation support 11 to horizontally move and driving the two photoelectric sensors 20 to move in opposite directions or in opposite directions.
It will be appreciated that in the present invention, as shown in fig. 1-3, the mounting bracket 11 and the two photosensors 20 are driven by the upper driving assembly 30, respectively, effectively reducing interference.
The deviation rectifying controller 40 is arranged at the lower layer of the double-layer installation frame 10, the deviation rectifying controller 40 is in data communication with the two photoelectric sensors 20, and the deviation rectifying controller 40 rectifies the pole piece 201 on the splitting machine 200 according to the received information.
It will be appreciated that, as shown in fig. 1-3, the deviation rectifying controller 40 is in data communication with the two photoelectric sensors 20, the deviation rectifying controller 40 collects the position information of the two photoelectric sensors 20, and controls operation according to the position information, so as to realize the automatic centering function and the center point moving function of the two photoelectric sensors 20.
In some embodiments, as shown in fig. 1-3, the upper drive assembly 30 includes two stepper motors 31, with both stepper motors 31 disposed on the upper layer of the dual-layer mount 10. A first stepper motor 31 is coupled to the mounting bracket 11 for driving the mounting bracket 11 to move horizontally on the double-deck mounting bracket 10. The second stepper motor 31 is connected to the two photosensors 20 for driving the two photosensors 20 to move in opposite directions or in opposite directions on the mounting bracket 11.
It will be appreciated that, as shown in fig. 1-3, the upper driving assembly 30 includes two stepper motors 31, and the two stepper motors 31 drive the mounting bracket 11 and the photoelectric sensor 20 respectively, thereby further avoiding interference between the mounting bracket 11 and the photoelectric sensor 20, and facilitating improvement of the working effect of the deviation correcting system 100.
In some embodiments, as shown in fig. 1-3, the deskew system 100 further includes a lower drive assembly 50, the lower drive assembly 50 being disposed below the double deck mount 10, the lower drive assembly 50 being coupled to the deskew controller 40.
Specifically, as shown in fig. 1 to 3, the lower driving assembly 50 is disposed at the lower layer of the double-deck mounting frame 10, and the lower driving assembly 50 is used to drive the deviation rectifying controller 40 disposed at the lower layer of the double-deck mounting frame 10. Thereby, the correction accuracy of the correction controller 40 is advantageously improved.
In some embodiments, as shown in fig. 1-3, the lower drive assembly 50 includes a brushless dc motor (not shown) that is coupled to the controller 40.
It will be appreciated that the brushless dc motor has a fast response, high starting torque, and a capability of providing rated torque from zero speed to rated speed, as shown in fig. 1-3, thereby facilitating an increase in the response speed of the deviation rectifying controller 40.
In some embodiments, as shown in fig. 1-3, the deviation correcting system 100 further includes a vision sensor 60, the vision sensor 60 being disposed above a pole piece 201 running on the slitting machine 200, the vision sensor 60 being located behind the double-deck mounting frame 10 along the running direction of the pole piece 201. The vision sensor 60 is in data communication with the deviation rectifying controller 40, and the deviation rectifying controller 40 performs secondary deviation rectifying on the pole piece 201 on the dividing and cutting machine 200 according to the received information.
It will be appreciated that, as shown in fig. 1-3, a vision sensor 60 is provided at the rear section of the slit, and the vision sensor 60 is used to implement two-stage accurate correction of the material, so as to improve the accuracy of the correction system 100.
In some embodiments, as shown in fig. 1-3, the deviation rectifying system 100 further includes a data communicator 70, where the data communicator 70 is disposed on the double-deck mounting frame 10, the data communicator 70 is connected to the deviation rectifying controller 40, and the data communicator 70 is used to communicate the deviation rectifying controller 40 with an external control terminal.
It will be appreciated that the remote control capability is provided in the present invention by providing a data communicator 70 to communicate the deviation-correcting controller 40 with an external control terminal, as shown in fig. 1-3.
In some embodiments, as shown in fig. 1-3, the deviation rectifying controller 40 includes a control end 41 and a deviation rectifying component 42, where the control end 41 is in data communication with the two photosensors 20, and the control end 41 drives the deviation rectifying component 42 to rectify according to the received information.
As shown in fig. 1 to 3, the deviation rectifying method according to the embodiment of the second aspect of the present invention includes:
the positions of both side edges of the pole piece 201 are detected by the two photosensors 20.
The position information detected by the two photoelectric sensors 20 is received by the deviation rectifying controller 40, and the position information is compared with preset information to obtain a comparison result.
The deviation rectifying controller 40 rectifies the pole piece 201 according to the comparison result.
In some embodiments, as shown in fig. 1-3, before the positions of the two side edges of the pole piece 201 are detected by the two photosensors 20, obtaining basic information of the pole piece 201 is further included, and the detection positions of the two photosensors 20 are adjusted according to the basic information.
In some embodiments, as shown in fig. 1-3, the basic information includes, but is not limited to, the width of the pole piece 201, the centerline position of the pole piece 201, and the side edge positions of the pole piece 201.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.
Claims (10)
1. A rectifying system for lithium battery pole piece cutting machine, characterized by comprising:
the double-layer mounting frame is arranged above the pole piece running on the splitting machine, and a movable mounting bracket is arranged on the upper layer of the double-layer mounting frame;
two photoelectric sensors, two said photoelectric sensors are movably set up on said mounting bracket;
the upper layer driving assembly is arranged on the upper layer of the double-layer mounting frame and is respectively connected with the mounting bracket and the two photoelectric sensors, and the upper layer driving assembly is used for driving the mounting bracket to horizontally move and driving the two photoelectric sensors to oppositely or reversely move;
the rectification controller is arranged at the lower layer of the double-layer mounting rack and is in data communication with the two photoelectric sensors, and the rectification controller rectifies the pole piece on the splitting machine according to the received information.
2. The system of claim 1, wherein the upper drive assembly comprises two stepper motors, both of which are disposed on the upper layer of the double-layer mounting frame;
the first stepping motor is connected with the mounting bracket and used for driving the mounting bracket to horizontally move on the double-layer mounting bracket;
the second stepping motor is connected with the two photoelectric sensors and used for driving the two photoelectric sensors to move oppositely or reversely on the mounting bracket.
3. The system for rectifying a lithium battery pole piece slitting machine according to claim 1, further comprising:
the lower layer driving assembly is arranged on the lower layer of the double-layer mounting frame and is connected with the deviation rectifying controller.
4. A rectifying system for a lithium battery pole piece slitting machine according to claim 3, wherein said lower drive assembly comprises a brushless dc motor connected to said rectifying controller.
5. The system for rectifying a lithium battery pole piece slitting machine according to claim 1, further comprising:
the visual sensor is arranged above the pole piece running on the splitting machine, and is positioned behind the double-layer mounting frame along the running direction of the pole piece;
the visual sensor is in data communication with the deviation rectifying controller, and the deviation rectifying controller carries out secondary deviation rectifying on the pole piece on the splitting machine according to the received information.
6. The system for rectifying a lithium battery pole piece slitting machine according to claim 1, further comprising:
the data communicator is arranged on the double-layer installation frame and is connected with the deviation rectifying controller, and the data communicator is used for communicating the deviation rectifying controller with an external control terminal.
7. The system for rectifying a lithium battery pole piece slitting machine according to claim 1, wherein,
the deviation rectifying controller comprises a control end and a deviation rectifying component, wherein the control end is in data communication with the two photoelectric sensors, and the control end drives the deviation rectifying component to rectify according to the received information.
8. A deviation rectifying method for a lithium battery pole piece splitting machine, the deviation rectifying method being implemented by adopting the deviation rectifying system according to any one of claims 1 to 7, and comprising:
detecting the positions of the edges of the two sides of the pole piece through the two photoelectric sensors;
receiving the position information detected by the two photoelectric sensors through the deviation correcting controller, and comparing the position information with preset information to obtain a comparison result;
and the deviation rectifying controller rectifies the pole piece according to the comparison result.
9. The method for rectifying deviation of a lithium battery pole piece splitting machine according to claim 8, characterized by further comprising, before detecting the positions of both side edges of the pole piece by two of the photosensors:
and obtaining basic information of the pole pieces, and adjusting detection positions of the two photoelectric sensors according to the basic information.
10. The method for rectifying deviation of lithium battery pole piece dividing and cutting machine according to claim 9, wherein,
the basic information includes, but is not limited to, the width of the pole piece, the centerline position of the pole piece, and the two side edge positions of the pole piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311403087.2A CN117161805A (en) | 2023-10-27 | 2023-10-27 | Deviation correcting system and deviation correcting method for lithium battery pole piece dividing and cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311403087.2A CN117161805A (en) | 2023-10-27 | 2023-10-27 | Deviation correcting system and deviation correcting method for lithium battery pole piece dividing and cutting machine |
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| CN117161805A true CN117161805A (en) | 2023-12-05 |
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| CN202311403087.2A Pending CN117161805A (en) | 2023-10-27 | 2023-10-27 | Deviation correcting system and deviation correcting method for lithium battery pole piece dividing and cutting machine |
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| CN (1) | CN117161805A (en) |
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| CN215177517U (en) * | 2021-07-29 | 2021-12-14 | 上海启莫科技有限公司 | Photoelectric online pole piece deviation rectifying system detection device |
| CN114873343A (en) * | 2021-11-15 | 2022-08-09 | 东莞市雅康精密机械有限公司 | Pole piece material belt deviation rectifying structure and deviation rectifying method thereof |
| WO2023116405A1 (en) * | 2021-12-21 | 2023-06-29 | 宁德时代新能源科技股份有限公司 | Electrode assembly manufacturing device and manufacturing method |
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