CN217688618U - Pole piece damage detection device and rolling device - Google Patents
Pole piece damage detection device and rolling device Download PDFInfo
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- CN217688618U CN217688618U CN202221597141.2U CN202221597141U CN217688618U CN 217688618 U CN217688618 U CN 217688618U CN 202221597141 U CN202221597141 U CN 202221597141U CN 217688618 U CN217688618 U CN 217688618U
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- pole piece
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- damage
- roller
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- 238000001514 detection method Methods 0.000 title claims abstract description 91
- 238000005096 rolling process Methods 0.000 title claims abstract description 34
- 238000007599 discharging Methods 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 abstract description 15
- 238000009434 installation Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 10
- 230000008054 signal transmission Effects 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000003825 pressing Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 4
- 230000000246 remedial effect Effects 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 238000006467 substitution reaction Methods 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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- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The utility model provides a pole piece damage detection device and a rolling device, wherein the pole piece damage detection device comprises an emission assembly and a receiving assembly which are respectively positioned at two sides of a pole piece, the emission assembly comprises at least two signal transmitters which are arranged side by side, and the receiving assembly is provided with signal receivers corresponding to the number and the positions of the signal transmitters; the detection signal sent by the signal emitter is transmitted to the pole piece, when the pole piece is damaged, the signal enters the signal receiver through the pole piece, and the signal receiver sends out a damage signal. The utility model discloses a transmission subassembly cooperates with the receiving assembly, sees through the pole piece when the detected signal and is received by signal receiver, and then the pole piece takes place the damage, when guaranteeing the relevance ratio, has characteristics such as simple structure, the installation of being convenient for and detection efficiency height.
Description
Technical Field
The utility model belongs to the technical field of the pole piece processing, a damaged detection device of pole piece and roll-in device are related to.
Background
The production process of the lithium battery pole piece firstly prepares slurry meeting requirements through a homogenizing process, then evenly coats the slurry on a current collector, the pole piece dried by an oven is a coating pole coil, the coating pole coil needs to be further compacted through a rolling process so as to ensure the energy density of the pole piece, but the pole lug of the pole piece is damaged in a white area due to other factors appearing in the manufacturing process in the production process, and then other abnormal losses such as belt breakage/edge folding are caused.
Therefore, how to provide a pole piece breakage detection device has simple structure, is convenient for operate, detects characteristics such as accurate and with low costs, becomes the technical problem that at present needs to solve urgently.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a damaged detection device of pole piece and roll-in device cooperates through transmission subassembly and receiving assembly, sees through the pole piece when the detected signal and is received by signal receiver, and then the pole piece takes place the damage, when guaranteeing the relevance ratio, has characteristics such as simple structure, installation and detection efficiency height of being convenient for.
To achieve the purpose, the utility model adopts the following technical proposal:
in a first aspect, the utility model provides a damaged detection device of pole piece, the damaged detection device of pole piece is including the transmission subassembly and the receiving assembly that are located the pole piece both sides respectively, the transmission subassembly includes two at least signal transmitter that set up side by side, be provided with the signal receiver who corresponds with signal transmitter quantity and position on the receiving assembly.
The detection signal sent by the signal emitter is transmitted to the pole piece, when the pole piece is damaged, the signal enters the signal receiver through the pole piece, and the signal receiver sends out a damage signal.
The utility model discloses a set up respectively and carry out damage detection to the pole piece in the transmission subassembly and the receiving assembly of pole piece both sides, the testing signal transmission that signal transmitter launches in the testing process is on the pole piece, whether the signal sees through the pole piece and judges whether take place the damage, signal receiver receives the testing signal promptly, then the pole piece takes place to damage, further can be according to the signal receiver position of sending received signal, judge pole piece damaged position, thereby close and examine roll-in pole piece device and quick location pole piece damaged position, and then take remedial measure, can effectively reduce material loss and waste of cost under the prerequisite of guaranteeing normal production, and is simple in structure, be convenient for install and characteristics such as detection efficiency height.
As a preferred technical scheme of the utility model, signal transmitter includes any one in laser emitter, infrared emitter and the acoustic wave transmitter.
The utility model discloses the preferred laser emitter of well signal transmitter can utilize the high collimation performance of laser, and the damaged position of accurate detection pole piece has characteristics such as detection efficiency height and the degree of accuracy height.
As a preferred technical scheme of the utility model, signal transmitter's range direction includes the width direction of pole piece.
As a preferred technical scheme of the utility model, the transmission subassembly includes the transmission support, signal transmitter along the width direction align to grid of pole piece in on the transmission support.
The receiving assembly comprises a receiving bracket, the signal receivers are arranged on the receiving bracket in the same arrangement mode as the signal transmitters.
The utility model discloses a set up the transmission support and receive the support to carry out fixed mounting to signal transmitter and signal receiver, through the setting of transmission support and receipt support, be convenient for with pole piece damage detection device fixed mounting to other equipment on, improve the installation and simply spend.
As a preferred technical scheme of the utility model, signal transmitter shines the detection signal point connection on the pole piece and forms the detection area territory, the width of detection area territory is the same with the width of pole piece or the same with the regional width of leaving white of pole piece.
The utility model discloses the signal that utilizes signal transmitter to send forms detection area on the pole piece to laser emitter is the example, forms the laser line that is formed by a plurality of laser points on the pole piece, and the laser line is arranged along the width direction of pole piece to scan the pole piece of process, furtherly, control scanning area position is in the pole piece and leaves white the district, and utmost point ear position is promptly, effectively guarantees to leave the damaged detection in white region.
It should be noted that the utility model discloses well detection area's width is the same with pole piece width or margin regional width, furtherly, is located detection area border position, and pole piece width edge or margin regional width edge between the error be less than or equal to 1mm.
As a preferred technical scheme of the utility model, adjacent the interval of signalling position is less than or equal to 1mm among the signal transmitter, for example is 0.1mm, 0.2mm, 0.3mm, 0.4mm, 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.9mm or 1.0mm.
The utility model discloses a control signal transmission position's interval is less than or equal to 1mm, can form the little or continuous detection area of interval promptly on the pole piece to guarantee to the all-round continuous detection of pole piece, improve the degree of accuracy and the detection efficiency that detect.
As a preferred technical scheme of the utility model, be provided with switching regulator on the damaged detection device of pole piece, switching regulator is independent electric connection respectively signal transmitter, switching regulator is used for adjusting each signal transmitter open and close.
The utility model discloses a set up switching regulator, regulate and control opening and closing of signal transmitter, for example only need to stay white region to utmost point ear and carry out the damage and detect, then steerable signal transmitter who closes all the other positions to only keep utmost point ear and stay white regional signal transmitter, set up different opening signal transmitter to different detection position, improve the flexibility that detects.
In a second aspect, the utility model also provides a rolling device, rolling device is including the feed roll, the roller pressure roller and the discharge roller that set gradually, be provided with between roller pressure roller and the discharge roller like the first aspect the damaged detection device of pole piece, emission subassembly and receiving assembly set up respectively in the both sides of pole piece.
It should be noted that the utility model discloses well roll extrusion device still is provided with feeding tension roller, ejection of compact tension roller and auxiliary roller etc. furtherly, ejection of compact tension roller sets up between roller pressing roller and discharge roller, thereby pole piece breakage detection device sets up between ejection of compact tension roller and discharge roller.
As a preferred technical scheme of the utility model, the roll-in device still includes the controller, the controller respectively with the independent electric connection of the driving piece of pole piece damage detection device and roll-in device, the driving piece is used for the drive feed roll, roller compression roller and discharge roller, the controller is received the damage signal that the damaged detection device of pole piece sent to the feedback control driving piece stop work.
As a preferred technical scheme of the utility model, the roll-in device still include with the damaged detection device electric connection's of pole piece alarm.
The utility model discloses a set up controller and alarm, detect the damage of pole piece through detection device in roll-in process, after detecting the pole piece damage, the driving piece shutdown of real time control rolling device to send out the warning of reporting to the police, thereby overhauls to the rolling device.
Exemplarily, a method for detecting pole piece breakage by the rolling device is provided, and the detection method specifically includes the following steps:
the pole piece enters a roller pressing roller through a feeding roller, enters a discharging roller after being rolled by the roller pressing roller and is discharged, a pole piece damage detection device is arranged between the roller pressing roller and the discharging roller, a pole piece area needing to be detected is determined, for example, a blank area of the pole piece can be determined, a signal emitter positioned in the blank area of the pole piece is opened, and a detection area along the width direction is formed on the blank area of the pole piece;
when the detection signal penetrates through the pole piece and is received by the signal receiver, the pole piece is damaged, the signal receiver sends a damage signal to the controller and the alarm, the controller controls the driving piece of the rolling device to stop running in a feedback mode, the alarm sends an alarm signal, and after the worker examines and confirms, the rolling device is started again.
The numerical range of the present invention includes not only the point values listed above, but also any point values between the above numerical ranges not listed, which is limited to space and for the sake of brevity, the present invention does not exhaust the specific point values included in the range.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a set up respectively and carry out damage detection to the pole piece in the transmission subassembly and the receiving assembly of pole piece both sides, the testing signal transmission that signal transmitter launches in the testing process is on the pole piece, whether the signal sees through the pole piece and judges whether take place the damage, signal receiver receives the testing signal promptly, then the pole piece takes place to damage, further can be according to the signal receiver position of sending received signal, judge pole piece damaged position, thereby close and examine roll-in pole piece device and quick location pole piece damaged position, and then take remedial measure, can effectively reduce material loss and waste of cost under the prerequisite of guaranteeing normal production, and is simple in structure, be convenient for install and characteristics such as detection efficiency height.
Drawings
Fig. 1 is a schematic structural diagram of a pole piece breakage detection apparatus according to an embodiment of the present invention, and the arrow direction represents a signal transmission direction;
fig. 2 is a schematic structural diagram of a pole piece breakage detection apparatus provided in an embodiment of the present invention, and the arrow direction represents a signal transmission direction;
fig. 3 is a schematic structural diagram of a rolling device according to an embodiment of the present invention.
Wherein, 1-an emission component; 2-a receiving component; 3-pole piece; 4-a signal transmitter; 5-a signal receiver; 6-a launch stent; 7-receiving a holder; 8-a feed roll; 9-rolling the rolls; 10-a discharge roller; 11-pole piece breakage detection device.
Detailed Description
It is to be understood that in the description of the present invention, the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for the purpose of convenience and simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.
It should be noted that, unless explicitly stated or limited otherwise, the terms "disposed," "connected" and "connected" in the description of the present invention are to be construed broadly, and may for example be fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
In a specific embodiment, the utility model provides a pole piece damage detection device, as shown in fig. 1 and fig. 2, pole piece damage detection device is including the transmission subassembly 1 and the receiving assembly 2 that are located 3 both sides of pole piece respectively, transmission subassembly 1 includes at least two signal transmitter 4 that set up side by side, be provided with the signal receiver 5 that corresponds with signal transmitter 4 quantity and position on the receiving assembly 2.
The detection signal that signal transmitter 4 sent is transmitted to pole piece 3, and the signal penetrates pole piece 3 and gets into signal receiver 5 when pole piece 3 is damaged, signal receiver 5 sends the damage signal.
The utility model discloses a set up respectively in the transmission subassembly 1 and the receiving assembly 2 of 3 both sides of pole piece and carry out the damage detection to pole piece 3, the detection signal transmission that signal transmitter 4 launches in the testing process is on pole piece 3, whether the signal sees through pole piece 3 and judges whether to take place to damage according to whether, signal receiver 5 receives the detected signal promptly, then pole piece 3 takes place to damage, further can be according to the signal receiver 5 position of sending received signal, judge 3 damaged positions of pole piece, thereby close and examine 3 roll-in devices of pole piece and 3 damaged positions of quick location pole piece, and then take remedial measure, can effectively reduce material loss and cost waste under the prerequisite of guaranteeing normal production, and the electric heating device has a simple structure, be convenient for install and characteristics such as detection efficiency height.
Specifically, the signal transmitter 4 includes any one of a laser transmitter, an infrared transmitter, and a sound wave transmitter, preferably a laser transmitter. The utility model discloses the preferred laser emitter of well signal transmitter 4 can utilize the high collimation performance of laser, and the accurate damaged position that detects pole piece 3 has characteristics such as detection efficiency height and the degree of accuracy height.
Specifically, the arrangement direction of the signal emitters 4 includes the width direction of the pole piece 3.
Specifically, the emission assembly 1 includes an emission support 6, and the signal emitters 4 are uniformly arranged on the emission support 6 along the width direction of the pole piece 3. The receiving assembly 2 comprises a receiving bracket 7, the signal receivers 5 are arranged on the receiving bracket 7, and the arrangement mode of the signal receivers 5 is the same as that of the signal transmitters 4. The utility model discloses a set up emission support 6 and receiving support 7 to carry out fixed mounting to signal transmitter 4 and signal receiver 5, through emission support 6 and receiving support 7's setting, be convenient for with pole piece damage detection device fixed mounting to other equipment on, improve the simple and easy degree of installation moreover.
Specifically, the signal emitter 4 irradiates detection signal points on the pole piece 3 to form a detection area, the width of the detection area is the same as the width of the pole piece 3 or the width of a margin area of the pole piece 3, and optionally, the detection area is located at the edge of the detection area, and the error between the detection area and the width edge of the pole piece 3 or the width edge of the margin area is less than or equal to 1mm. The utility model discloses the signal that utilizes signal transmitter 4 to send forms detection area on pole piece 3 to laser emitter is for example, forms the laser line that is formed by a plurality of laser points on pole piece 3, and the laser line is arranged along the width direction of pole piece 3 to scan pole piece 3 through, furtherly, control scanning area position is in pole piece 3 and leaves white the district, utmost point ear position promptly, effectively guarantees to leave white regional damage and detects.
Specifically, the distance between the signal transmitting positions in the adjacent signal transmitters 4 is less than or equal to 1mm. The utility model discloses a control signal transmission position's interval is less than or equal to 1mm, can form the little or continuous detection area of interval promptly on pole piece 3 to guarantee to 3 all-round continuous detections of pole piece, improve the degree of accuracy and the detection efficiency that detect.
Specifically, a switch regulator is arranged on the pole piece damage detection device, the switch regulators are respectively and independently electrically connected with the signal emitters 4, and the switch regulators are used for regulating the on and off of the signal emitters 4. The utility model discloses a set up switching regulator, regulate and control opening and closing of signal transmitter 4, for example only need to stay white regional to utmost point ear and carry out the damage and detect, then steerable signal transmitter 4 who closes all the other positions to only remain utmost point ear and stay white regional signal transmitter 4, set up the difference to different detection positions and open signal transmitter 4, improve the flexibility that detects.
The utility model also provides a rolling device, as shown in fig. 3, rolling device is including the feed roll 8, the roller pressure 9 and the discharge roller 10 that set gradually, be provided with foretell pole piece damage detection device 11 between roller pressure 9 and the discharge roller 10, emission subassembly 1 sets up respectively in the both sides of pole piece 3 with receiving subassembly 2.
Optionally, the rolling device is further provided with a feeding tension roller, a discharging tension roller, an auxiliary roller and the like, the discharging tension roller is arranged between the rolling roller 9 and the discharging roller 10, so that the pole piece damage detection device 11 is arranged between the discharging tension roller and the discharging roller 10.
Specifically, the rolling device further comprises a controller, the controller is respectively and independently electrically connected with the pole piece damage detection device 11 and a driving piece of the rolling device, the driving piece is used for driving the feeding roller 8, the rolling roller 9 and the discharging roller 10, the controller receives a damage signal sent by the pole piece damage detection device 11, and the driving piece is controlled in a feedback mode to stop working.
Specifically, the rolling device further comprises an alarm electrically connected with the pole piece damage detection device 11.
The utility model discloses a set up controller and alarm, detect pole piece 3's damage through detection device in the roll-in process, after detecting pole piece 3 damage, the driving piece shut down of real time control rolling device to send out the warning of reporting to the police, thereby overhaul to rolling device.
Exemplarily, a method for detecting damage of the pole piece 3 by using the rolling device is provided, and the detection method specifically includes the following steps:
the pole piece 3 enters a roller pressing roller 9 through a feeding roller 8, enters a discharging roller 10 after being rolled by the roller pressing roller 9 and is discharged, a pole piece damage detection device 11 is arranged between the roller pressing roller 9 and the discharging roller 10, the area of the pole piece 3 needing to be detected is determined, for example, the area can be the blank area of the pole piece 3, a signal emitter 4 positioned in the blank area of the pole piece 3 is opened, and a detection area along the width direction is formed on the blank area of the pole piece 3;
when the detection signal penetrates through the pole piece 3 and is received by the signal receiver 5, the pole piece 3 is damaged, the signal receiver 5 sends a damage signal to the controller and the alarm, the controller controls the driving piece of the rolling device to stop running in a feedback mode, the alarm sends an alarm signal, and after the staff overhaul and confirm, the rolling device is started again.
Through a specific embodiment, the utility model discloses a set up respectively in the transmission subassembly 1 and the receiving assembly 2 of 3 both sides of pole piece and carry out the damage detection to pole piece 3, the detection signal transmission that signal transmitter 4 launches in the testing process is on pole piece 3, whether the signal sees through pole piece 3 judgement and whether takes place the damage according to being, signal receiver 5 receives the detected signal promptly, then pole piece 3 takes place the damage, further can be according to the 5 positions of signal receiver who sends the received signal, judge 3 damaged positions of pole piece, thereby close and inspect 3 roll-in devices of pole piece and 3 damaged positions of quick location pole piece, and then take remedial measures, can effectively reduce material loss and cost waste under the prerequisite of guaranteeing normal production, and has a simple structure, be convenient for installation and characteristics such as detection efficiency height.
The applicant states that the above description is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that any changes or substitutions easily conceivable by those skilled in the art within the technical scope of the present invention are within the protection scope and the disclosure scope of the present invention.
Claims (10)
1. A pole piece damage detection device is characterized by comprising an emitting assembly and a receiving assembly which are respectively positioned at two sides of a pole piece, wherein the emitting assembly comprises at least two signal emitters which are arranged side by side, and the receiving assembly is provided with signal receivers corresponding to the number and the positions of the signal emitters;
the detection signal sent by the signal emitter is transmitted to the pole piece, when the pole piece is damaged, the signal enters the signal receiver through the pole piece, and the signal receiver sends out a damage signal.
2. The pole piece breakage detection device of claim 1 wherein the signal emitter includes any one of a laser emitter, an infrared emitter, and an acoustic wave emitter.
3. The pole piece breakage detection apparatus of claim 1 wherein the direction of the signal emitter array includes the width direction of the pole piece.
4. The pole piece breakage detecting device of claim 3, wherein the emitting assembly includes an emitting bracket, and the signal emitters are uniformly arranged on the emitting bracket along a width direction of the pole piece;
the receiving assembly comprises a receiving bracket, the signal receivers are arranged on the receiving bracket in the same arrangement mode as the signal transmitters.
5. The pole piece breakage detection device of claim 1 wherein the signal emitter irradiates the detection signal points on the pole piece to form a detection area, and the width of the detection area is the same as the width of the pole piece or the width of the margin area of the pole piece.
6. The pole piece breakage detection device of claim 1 wherein the spacing between signal emitting locations in adjacent signal emitters is less than or equal to 1mm.
7. The pole piece breakage detecting device of claim 1, wherein a switch regulator is disposed on the pole piece breakage detecting device, the switch regulators are respectively and independently electrically connected to the signal emitters, and the switch regulator is configured to regulate on and off of each signal emitter.
8. A rolling device, which is characterized in that the rolling device comprises a feeding roller, a rolling roller and a discharging roller which are arranged in sequence, the pole piece damage detection device of any one of claims 1 to 7 is arranged between the rolling roller and the discharging roller, and the transmitting assembly and the receiving assembly are respectively arranged on two sides of a pole piece.
9. The rolling device according to claim 8, further comprising a controller, wherein the controller is electrically connected to the pole piece breakage detection device and the driving member of the rolling device independently, the driving member is used for driving the feeding roller, the rolling roller and the discharging roller, and the controller receives the breakage signal from the pole piece breakage detection device and controls the driving member to stop working in a feedback manner.
10. The rolling device according to claim 8, further comprising an alarm electrically connected to the pole piece breakage detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221597141.2U CN217688618U (en) | 2022-06-23 | 2022-06-23 | Pole piece damage detection device and rolling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221597141.2U CN217688618U (en) | 2022-06-23 | 2022-06-23 | Pole piece damage detection device and rolling device |
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| Publication Number | Publication Date |
|---|---|
| CN217688618U true CN217688618U (en) | 2022-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221597141.2U Active CN217688618U (en) | 2022-06-23 | 2022-06-23 | Pole piece damage detection device and rolling device |
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| Country | Link |
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| CN (1) | CN217688618U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116577344A (en) * | 2023-07-13 | 2023-08-11 | 广州市易鸿智能装备有限公司 | Coating detection device |
-
2022
- 2022-06-23 CN CN202221597141.2U patent/CN217688618U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116577344A (en) * | 2023-07-13 | 2023-08-11 | 广州市易鸿智能装备有限公司 | Coating detection device |
| CN116577344B (en) * | 2023-07-13 | 2023-10-20 | 广州市易鸿智能装备有限公司 | Coating detection device |
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