CN109738447A - A kind of automatic correction method and device of battery pole piece protective glue - Google Patents
A kind of automatic correction method and device of battery pole piece protective glue Download PDFInfo
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- CN109738447A CN109738447A CN201811533582.4A CN201811533582A CN109738447A CN 109738447 A CN109738447 A CN 109738447A CN 201811533582 A CN201811533582 A CN 201811533582A CN 109738447 A CN109738447 A CN 109738447A
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Abstract
The invention belongs to the technical fields of battery production, and in particular to a kind of automatic correction method of battery pole piece protective glue includes the following steps: Step 1: acquisition project and corresponding standard parameter is arranged according to battery process requirement；Step 2: carrying out Image Acquisition to pole piece to be checked before pole piece is wound process；Step 3: according to the image of the pole piece to be checked; it acquires the location parameter of protective glue and is analyzed; then judge whether the protective glue shifts based on the analysis results, if the protective glue shifts, the protective glue of other pole pieces to be pasted is adjusted.The present invention can quickly judge whether the protective glue on pole piece shifts, and help to improve working efficiency, and be quickly adjusted to the pole piece of non-rubberizing, be conducive to optimized production process, improve the yields of battery, to reach reduction production cost.In addition, the invention also discloses a kind of automatic deviation rectifying devices of battery pole piece protective glue.
Description
Technical field
The invention belongs to the technical fields of battery production, and in particular to a kind of automatic correction method of battery pole piece protective glue
And device.
Background technique
Nowadays, lithium ion battery is as a kind of new secondary battery, the big, operating voltage with energy density and power density
It is high, light-weight, small in size, have extended cycle life, the advantages that safety is good, environmentally protective, in portable electronics, electric tool, big
Type energy storage, electronic traffic electrical source of power etc. have broad application prospects.Before battery pole piece winding, glue is needed
Paper and soldering polar ear, and whether the setting position of gummed paper and tab correctly will have a direct impact on the quality of battery product.Therefore, having must
The position of battery pole piece sized paper and tab is detected.Nowadays, CCD detection system is whether detection battery pole piece passes
Important equipment.CCD detector carries out the acquisition of battery pole piece image information, and feeds back information to processor, automatic identification
Whether battery pole piece passes.
Wherein, Chinese patent literature disclose it is a kind of test battery protection adhesive tape whether there is or not detection device (publication number: CN
104407303 A), comprising: substrate, bracket, setscrew, rollers, mercury sliding block and stainless steel roller, the substrate
On have 4 brackets, the rollers is fixed on corresponding bracket side by setscrew, and the stainless steel roller passes through
Roll shaft is fixed in corresponding rollers, and 2 brackets have stainless steel roller side to have with other 2 brackets in 4 brackets
Stainless steel roller side is contrary, and 4 brackets are staggered, and has mercury sliding block in the slot above the rollers, described
There is conducting wire in rollers upper end.Above-mentioned scheme can quickly detect battery pole piece to a certain extent, but this scheme is at least
There is also following defects: the first, being unable to judge accurately the whole fitting situation of protective glue, still need to cause work to be imitated using visual inspection
Rate is low, and at high cost；The second, rubberizing effect can not be standardized, and cannot monitor the process of patch protective glue in real time.
Summary of the invention
It is an object of the present invention to: in view of the deficiencies of the prior art, provide a kind of the automatic of battery pole piece protective glue
Method for correcting error, can quickly judge whether the protective glue on pole piece shifts, and help to improve working efficiency, and quickly right
The pole piece of non-rubberizing is adjusted, and is conducive to optimized production process, improves the yields of battery, is produced into reach reduction
This.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of automatic correction method of battery pole piece protective glue, includes the following steps:
Step 1: requiring according to battery process, and acquisition project and corresponding standard parameter is arranged；
Step 2: before pole piece is wound process, Image Acquisition is carried out to pole piece to be checked；
Step 3: it according to the image of the pole piece to be checked, acquires the location parameter of protective glue and is analyzed, then according to analysis
As a result judge whether the protective glue shifts, if the protective glue shifts, to the guarantor of other pole pieces to be pasted
Shield glue is adjusted.
It should be noted that: it is not of the same race since the type of battery is more in step 1 in method for correcting error of the invention
The battery of class causes acquisition project and corresponding standard parameter also to change correspondingly, user by the way of different patch protective glues
It needs that acquisition project and corresponding standard ginseng are arranged according to the area of the actual size of battery, circuit design and pole piece coating area
Number；In step 2, before battery pole piece winding, need to paste protective glue and soldering polar ear, and the position of protective glue and tab
Whether correctly will have a direct impact on the quality of battery product, in conventional methods where, visual inspection need to be used, cause working efficiency low, and at
This height, the precision due to the precision of human eye much smaller than photo, the position of record protection glue and tab by the way of taking pictures, not only
The precision for improving the position of detection protective glue and tab is also convenient for user's real-time monitoring or check battery pole piece；In step 3, by
It is pasted with protective glue in many places on pole piece, and there may be errors for location parameter, so passing through the difference to battery pole piece image
Position takes multiple measurements, and can obtain multiple groups location parameter, can analyze at this time multiple groups location parameter, convenient for automatic
Whether identification protecting glue shifts, if protective glue shifts, can quickly be adjusted, to improve other pole pieces to be pasted
Yields.
As a kind of a kind of improvement of the automatic correction method of battery pole piece protective glue of the present invention, in step 3,
The method for analyzing the location parameter, includes the following steps:
S1, the average value for calculating separately the location parameter, standard value, maximum value and minimum value；
S2, the location parameter is summarized, and is depicted as SPC control figure.
In above-mentioned analysis method, in step S1, the overall positions of protective glue can be judged by calculating average value, calculate maximum value
And minimum value, can quickly identification protecting glue whether in the range of standard parameter, while can also by increase standard value, be convenient for
User is in time until the taxis of protective glue；In step S2, SPC control figure be procedure quality is measured, is recorded, thus into
A kind of figure designed with scientific method of row control management, is conducive to control the quality of battery, includes in SPC control figure
Three lines: upper control limit, center line, lower control limit, when location parameter is more than upper control limit or lower control limit, user can be direct
The case where protective glue deviates is understood from SPC control figure, moreover it is possible to which effective monitoring is carried out to SPC control figure by operating system.
As a kind of a kind of improvement of the automatic correction method of battery pole piece protective glue of the present invention, in step 3,
Judge the method that the protective glue shifts, comprising:
If the maximum value or the minimum value are more than the standard parameter, the protective glue shifts；
If the average value is more than the standard parameter, the protective glue shifts.
As a kind of a kind of improvement of the automatic correction method of battery pole piece protective glue of the present invention, in step 3,
The method for adjusting the protective glue, comprising:
If detecting, the protective glue shifts, and the pole piece to be checked is discharged, and readjusts the pole piece to be pasted
The protective glue position, makes the location parameter tend to the standard parameter, then readjusts institute according to the SPC control figure
State the position of the protective glue of pole piece to be pasted；
If the protective glue of pole piece to be checked described in continuous multi-disc shifts, stop being bonded the protective glue, and set again
Determine the relevant parameter of pelleter or rubberizing sucker.
In above-mentioned method of adjustment, when pole piece to be checked detects protective glue offset, underproof pole piece is detached from winding work
Sequence, preventing underproof pole piece from continuing winding leads to the wasting of resources；Subsequent pole piece to be pasted occurs identical in order to prevent
Offset can make the average value of location parameter tend to standard parameter, while can also take the alarming machine of SPC control figure by fine tuning
System, i.e., alarm more than the upper control limit or lower control limit of SPC control figure, facilitates the amendment road for monitoring protective glue in real time
Diameter, raising are regulated the speed；Multiple adjust automatically can not still rectify a deviation in order to prevent, and setting stops fitting protective glue mechanism, use at this time
Family can reset the relevant parameter of pelleter or rubberizing sucker, debugging, prevent extensive protective glue offset, lead
The yields decline in pond is sent a telegraph, so as to cause production cost rising.
The second object of the present invention is to provide the device for the automatic correction method for realizing above-mentioned battery pole piece protective glue, wrap
It includes:
Imaging sensor for taking pictures to the pole piece to be checked, and acquires the location parameter of the protective glue；
Micro-control module analyzes the location parameter for receiving the location parameter, whether judges the protective glue
It shifts, and adjusts the position of the protective glue of the pole piece to be pasted.
As a kind of a kind of improvement of the automatic deviation rectifying device of battery pole piece protective glue of the present invention, described image is passed
The top of pelleter is arranged in sensor.
As a kind of a kind of improvement of the automatic deviation rectifying device of battery pole piece protective glue of the present invention, described image is passed
Sensor and the micro-control module communication connection.
As a kind of a kind of improvement of the automatic deviation rectifying device of battery pole piece protective glue of the present invention, described image is passed
Sensor is CCD digital photoelectric sensor and CMOS digital photoelectric sensor.
As a kind of a kind of improvement of the automatic deviation rectifying device of battery pole piece protective glue of the present invention, the microcontroller
Module is one of AVR single chip, 51 single-chip microcontrollers and PIC single chip microcomputer.
The beneficial effects of the present invention are the present invention includes the following steps: to be arranged Step 1: according to battery process requirement
Acquisition project and corresponding standard parameter；Step 2: carrying out Image Acquisition to pole piece to be checked before pole piece is wound process；
Step 3: acquiring the location parameter of protective glue according to the image of the pole piece to be checked and being analyzed, then based on the analysis results
Judge whether the protective glue shifts, if the protective glue shifts, to the protective glue of other pole pieces to be pasted
It is adjusted.In method for correcting error of the invention, in step 1, since the type of battery is more, different types of battery is not using
The mode of same patch protective glue, causes acquisition project and corresponding standard parameter also to change correspondingly, and user needs according to battery
The area setting acquisition project of actual size, circuit design and pole piece coating area and corresponding standard parameter；In step 2, in electricity
Before the pole piece coiling of pond, need to paste protective glue and soldering polar ear, and whether the position of protective glue and tab correctly can direct shadow
The quality of battery product is rung, in conventional methods where, visual inspection need to be used, cause working efficiency low, and at high cost, due to the essence of human eye
Degree be much smaller than photo precision, the position of record protection glue and tab by the way of taking pictures, not only improve detection protective glue and
The precision of the position of tab is also convenient for user's real-time monitoring or check battery pole piece；In step 3, since many places are pasted on pole piece
There is protective glue, and there may be errors for location parameter, so taken multiple measurements by the different location to battery pole piece image,
Multiple groups location parameter can be obtained, multiple groups location parameter can be analyzed, whether be sent out convenient for automatic identification protective glue at this time
Raw offset, if protective glue shifts, can quickly be adjusted, to improve the yields of other pole pieces to be pasted.The present invention
It can quickly judge whether the protective glue on pole piece shifts, help to improve working efficiency, and quickly to non-rubberizing
Pole piece is adjusted, and is conducive to optimized production process, improves the yields of battery, to reach reduction production cost.
Detailed description of the invention
Fig. 1 is the flow chart of the automatic correction method of battery pole piece protective glue of the invention.
Specific embodiment
As used some vocabulary to censure specific components in the specification and claims.Those skilled in the art answer
It is understood that hardware manufacturer may call the same component with different nouns.This specification and claims are not with name
The difference of title is as the mode for distinguishing component, but with the difference of component functionally as the criterion of differentiation.Such as logical
The "comprising" of piece specification and claim mentioned in is an open language, therefore should be construed to " include but do not limit
In "." substantially " refer within an acceptable error range, those skilled in the art can solve technology within a certain error range
Problem basically reaches technical effect.
In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", "left", "right", level "
The orientation or positional relationship of equal instructions is to be based on the orientation or positional relationship shown in the drawings, be merely for convenience of the description present invention and
Simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construction
And operation, therefore be not considered as limiting the invention.
In invention unless specifically defined or limited otherwise, the arts such as term " installation ", " connected ", " connection ", " fixation "
Language shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be machine
Tool connection, is also possible to be electrically connected；It can be directly connected, two members can also be can be indirectly connected through an intermediary
Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood in this hair as the case may be
Concrete meaning in bright.
Below in conjunction with attached drawing, invention is further described in detail, but not as a limitation of the invention.
Embodiment 1
As shown in Figure 1, a kind of automatic correction method of battery pole piece protective glue, includes the following steps:
Step 1: requiring according to battery process, and acquisition project and corresponding standard parameter is arranged；
Step 2: before pole piece is wound process, Image Acquisition is carried out to pole piece to be checked；
Step 3: it according to the image of pole piece to be checked, acquires the location parameter of protective glue and is analyzed, then based on the analysis results
Judge whether protective glue shifts, if protective glue shifts, the protective glue of other pole pieces to be pasted is adjusted.
It should be noted that: it is not of the same race since the type of battery is more in step 1 in method for correcting error of the invention
The battery of class causes acquisition project and corresponding standard parameter also to change correspondingly, user by the way of different patch protective glues
It needs that acquisition project and corresponding standard ginseng are arranged according to the area of the actual size of battery, circuit design and pole piece coating area
Number；In step 2, before battery pole piece winding, need to paste protective glue and soldering polar ear, and the position of protective glue and tab
Whether correctly will have a direct impact on the quality of battery product, in conventional methods where, visual inspection need to be used, cause working efficiency low, and at
This height, the precision due to the precision of human eye much smaller than photo, the position of record protection glue and tab by the way of taking pictures, not only
The precision for improving the position of detection protective glue and tab is also convenient for user's real-time monitoring or check battery pole piece；In step 3, by
It is pasted with protective glue in many places on pole piece, and there may be errors for location parameter, so passing through the difference to battery pole piece image
Position takes multiple measurements, and can obtain multiple groups location parameter, can analyze at this time multiple groups location parameter, convenient for automatic
Whether identification protecting glue shifts, if protective glue shifts, can quickly be adjusted, to improve other pole pieces to be pasted
Yields.
Preferably, in step 3, the method for analyzing location parameter includes the following steps:
S1, the average value for calculating separately location parameter, standard value, maximum value and minimum value；
S2, location parameter is summarized, and is depicted as SPC control figure.
In above-mentioned analysis method, in step S1, the overall positions of protective glue can be judged by calculating average value, calculate maximum value
And minimum value, can quickly identification protecting glue whether in the range of standard parameter, while can also by increase standard value, be convenient for
User is in time until the taxis of protective glue；In step S2, SPC control figure be procedure quality is measured, is recorded, thus into
A kind of figure designed with scientific method of row control management, is conducive to control the quality of battery, includes in SPC control figure
Three lines: upper control limit, center line, lower control limit, when location parameter is more than upper control limit or lower control limit, user can be direct
The case where protective glue deviates is understood from SPC control figure, moreover it is possible to which effective monitoring is carried out to SPC control figure by operating system.
Preferably, in step 3, judge the method that protective glue shifts, comprising:
The parameter if maximum value or minimum value are above standard, protective glue shift；
The parameter if average value is above standard, protective glue shift.
Preferably, in step 3, the method that adjusts protective glue, comprising:
If detecting, protective glue shifts, and pole piece to be checked is discharged, and readjusts the protective glue position of pole piece to be pasted, and makes
Location parameter tends to standard parameter, and the position of the protective glue of pole piece to be pasted then is readjusted according to SPC control figure；
If the protective glue of continuous multi-disc pole piece to be checked shifts, stop being bonded protective glue, and reset pelleter or patch
The relevant parameter of glue sucker.
In above-mentioned method of adjustment, when pole piece to be checked detects protective glue offset, underproof pole piece is detached from winding work
Sequence, preventing underproof pole piece from continuing winding leads to the wasting of resources；Subsequent pole piece to be pasted occurs identical in order to prevent
Offset can make the average value of location parameter tend to standard parameter, while can also take the alarming machine of SPC control figure by fine tuning
System, i.e., alarm more than the upper control limit or lower control limit of SPC control figure, facilitates the amendment road for monitoring protective glue in real time
Diameter, raising are regulated the speed；Multiple adjust automatically can not still rectify a deviation in order to prevent, and setting stops fitting protective glue mechanism, use at this time
Family can reset the relevant parameter of pelleter or rubberizing sucker, debugging, prevent extensive protective glue offset, lead
The yields decline in pond is sent a telegraph, so as to cause production cost rising.
Embodiment 2
As shown in Figure 1, a kind of device for the automatic correction method for realizing above-mentioned battery pole piece protective glue, comprising:
Imaging sensor for carrying out Image Acquisition to pole piece to be checked, and acquires the location parameter of protective glue；
Micro-control module analyzes location parameter for receiving location parameter, judges whether protective glue shifts, and
Adjust the position of the protective glue of pole piece to be pasted.
Preferably, the top of pelleter is arranged in imaging sensor.The top of pelleter is set, convenient for transmission direction
Battery pole piece acquire image, meanwhile, be fixed on the same position, can reduce acquisition image error, improve the standard of acquisition
Exactness.
Preferably, imaging sensor and micro-control module communication connection.
Preferably, imaging sensor is CCD digital photoelectric sensor and CMOS digital photoelectric sensor.CCD and CMOS is passed
Sensor is two kinds of imaging sensors being currently generally used, and both carries out photoelectric conversion using light sensitive diode, will scheme
As being converted to numerical data, and its main difference is the mode difference of numerical data transmission.It is each in every a line in ccd sensor
The charge data of a pixel can be all sequentially transmitted in next pixel, be exported by lowermost end part, then via sensors edges
Amplifier amplify output；And in cmos sensor, each pixel can abut an amplifier and A/D conversion electricity
Road is exported data with the mode of main memory circuit, and the two, which is all satisfied, treats inspection pole piece progress information collection；Wherein, CCD number light
The camera model of electric transducer is Basler acA2440-20gc.
Preferably, micro-control module is one of AVR single chip, 51 single-chip microcontrollers and PIC single chip microcomputer.In AVR, 51, PIC
In single-chip microcontroller, 51 single-chip microcontrollers are most basic, are easy to operate simultaneously；PIC single chip microcomputer is strong in terms of industrial anti-interference, each model
It is compatible strong；The AVR speed of service is fast；AVR single chip, 51 single-chip microcontrollers and PIC single chip microcomputer are able to satisfy process demand.
Embodiment 3
Unlike the first embodiment: 396074 battery of model of the battery of the present embodiment requires, such as: setting according to battery process
Surely acquisition project is the distance that protective glue coats area edge in the exposed size of pole piece width direction, protective glue to pole piece, accordingly
Standard parameter is 0.8mm, 24mm；
It is now discovered that protective glue is in the exposed 1.0mm in pole piece left end, protective glue is in the exposed 0.6mm of pole piece right end.Since standard parameter is
0.8mm only need to can meet the requirements protective glue to the mobile 0.2mm of right end；
The distance for now acquiring one group of protective glue to pole piece coating area edge is analyzed, such as
24.14 24.13 24.13 24.07 24.12
24.19 24.13 24.16 24.20 24.14
It is 24.14, standard parameter 24mm that average value, which is calculated, sets camera proportionality coefficient as 0.5.According to adjusted value=
(average value-standard parameter) * proportionality coefficient=0.07mm, i.e. protection gummed paper can meet and want close to pole piece coating area 0.07mm
It asks.
According to the disclosure and teachings of the above specification, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula is changed and is modified.Therefore, the invention is not limited to above-mentioned specific embodiment, all those skilled in the art exist
Made any conspicuous improvement, replacement or modification all belong to the scope of protection of the present invention on the basis of the present invention.This
Outside, although using some specific terms in this specification, these terms are merely for convenience of description, not to the present invention
Constitute any restrictions.
Claims (9)
1. a kind of automatic correction method of battery pole piece protective glue, which comprises the steps of:
Step 1: requiring according to battery process, and acquisition project and corresponding standard parameter is arranged；
Step 2: before pole piece is wound process, Image Acquisition is carried out to pole piece to be checked；
Step 3: it according to the image of the pole piece to be checked, acquires the location parameter of protective glue and is analyzed, then according to analysis
As a result judge whether the protective glue shifts, if the protective glue shifts, to the guarantor of other pole pieces to be pasted
Shield glue is adjusted.
2. a kind of automatic correction method of battery pole piece protective glue as described in claim 1, it is characterised in that: in step 3,
The method for analyzing the location parameter, includes the following steps:
S1, the average value for calculating separately the location parameter, standard value, maximum value and minimum value；
S2, the location parameter is summarized, and is depicted as SPC control figure.
3. a kind of automatic correction method of battery pole piece protective glue as claimed in claim 2, it is characterised in that: in step 3,
Judge the method that the protective glue shifts, comprising:
If the maximum value or the minimum value are more than the standard parameter, the protective glue shifts；
If the average value is more than the standard parameter, the protective glue shifts.
4. a kind of automatic correction method of battery pole piece protective glue as claimed in claim 2, it is characterised in that: in step 3,
The method for adjusting the protective glue, comprising:
If detecting, the protective glue shifts, and the pole piece to be checked is discharged, and readjusts the institute of the pole piece to be pasted
Protective glue position is stated, the location parameter is made to tend to the standard parameter, then according to SPC control figure readjustment
The position of the protective glue of pole piece to be pasted；
If the protective glue of pole piece to be checked described in continuous multi-disc shifts, stop being bonded the protective glue, and set again
Determine the relevant parameter of pelleter or rubberizing sucker.
5. realizing the device of the automatic correction method of the described in any item battery pole piece protective glues of claim 1-4, feature exists
In, comprising:
Imaging sensor for taking pictures to the pole piece to be checked, and acquires the location parameter of the protective glue；
Micro-control module analyzes the location parameter for receiving the location parameter, whether judges the protective glue
It shifts, and adjusts the position of the protective glue of the pole piece to be pasted.
6. a kind of automatic deviation rectifying device of battery pole piece protective glue as claimed in claim 5, it is characterised in that: described image passes
The top of pelleter is arranged in sensor.
7. a kind of automatic deviation rectifying device of battery pole piece protective glue as claimed in claim 5, it is characterised in that: described image passes
Sensor and the micro-control module communication connection.
8. a kind of automatic deviation rectifying device of battery pole piece protective glue as claimed in claim 5, it is characterised in that: described image passes
Sensor is CCD digital photoelectric sensor and CMOS digital photoelectric sensor.
9. a kind of automatic deviation rectifying device of battery pole piece protective glue as claimed in claim 5, it is characterised in that: the microcontroller
Module is one of AVR single chip, 51 single-chip microcontrollers and PIC single chip microcomputer.
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| CN201811533582.4A CN109738447B (en) | 2018-12-14 | 2018-12-14 | Automatic deviation rectifying method and device for battery pole piece protective adhesive |
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| CN201811533582.4A CN109738447B (en) | 2018-12-14 | 2018-12-14 | Automatic deviation rectifying method and device for battery pole piece protective adhesive |
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Cited By (4)
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| CN111403679A (en) * | 2020-02-21 | 2020-07-10 | 广州超音速自动化科技股份有限公司 | Rubberizing intervention method and rubberizing mechanism with rubberizing intervention function |
| CN112117431A (en) * | 2019-06-21 | 2020-12-22 | 无锡先导智能装备股份有限公司 | Deviation rectifying method and deviation rectifying system |
| CN112249795A (en) * | 2020-10-19 | 2021-01-22 | 广东利元亨智能装备股份有限公司 | Real-time correction method and device for rubberizing process, electronic equipment and readable storage medium |
| WO2023217040A1 (en) * | 2022-05-07 | 2023-11-16 | 宁德时代新能源科技股份有限公司 | Deviation correction apparatus and winding machine |
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| CN112117431A (en) * | 2019-06-21 | 2020-12-22 | 无锡先导智能装备股份有限公司 | Deviation rectifying method and deviation rectifying system |
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| CN111403679B (en) * | 2020-02-21 | 2022-01-18 | 广州超音速自动化科技股份有限公司 | Rubberizing intervention method and rubberizing mechanism with rubberizing intervention function |
| CN112249795A (en) * | 2020-10-19 | 2021-01-22 | 广东利元亨智能装备股份有限公司 | Real-time correction method and device for rubberizing process, electronic equipment and readable storage medium |
| CN112249795B (en) * | 2020-10-19 | 2021-10-29 | 广东利元亨智能装备股份有限公司 | Real-time correction method and device for rubberizing process, electronic equipment and readable storage medium |
| WO2023217040A1 (en) * | 2022-05-07 | 2023-11-16 | 宁德时代新能源科技股份有限公司 | Deviation correction apparatus and winding machine |
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