CN111403679A - Rubberizing intervention method and rubberizing mechanism with rubberizing intervention function - Google Patents
Rubberizing intervention method and rubberizing mechanism with rubberizing intervention function Download PDFInfo
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- CN111403679A CN111403679A CN202010107209.3A CN202010107209A CN111403679A CN 111403679 A CN111403679 A CN 111403679A CN 202010107209 A CN202010107209 A CN 202010107209A CN 111403679 A CN111403679 A CN 111403679A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
- H01M4/0402—Methods of deposition of the material
- H01M4/0404—Methods of deposition of the material by coating on electrode collectors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0404—Machines for assembling batteries
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/06—Electrodes for primary cells
- H01M4/08—Processes of manufacture
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/005—Devices for making primary cells
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The invention discloses a rubberizing intervention method and a rubberizing mechanism with a rubberizing intervention function, and belongs to the field of battery manufacturing. The rubberizing intervention method comprises the following steps: a step of rubberizing; an image acquisition step: obtaining an anode rubberizing image and/or a cathode rubberizing image; and an offset calculation step: processing the rubberizing image, determining the position of the gumming paper, calculating a rubberizing distance value between the gumming paper and the pole piece, and obtaining an offset value through the rubberizing distance value; and (3) rubberizing intervention judgment: judging whether the calculated deviation value falls within a preset rubberizing deviation threshold value or not; if the deviation value exceeds the rubberizing deviation threshold value, sending a rubberizing intervention signal to a deviation correcting device of a deviation correcting station for rubberizing intervention; if the deviation value falls within the rubberizing deviation threshold value, the rubberizing intervention step is not carried out; the rubberizing mechanism with the rubberizing intervention function comprises a conveying device, a visual detection device and a deviation correcting device; the invention intervenes the pole piece belt to be rubberized in advance, carries out position compensation and can improve the rubberizing yield.
Description
Technical Field
The invention relates to the field of battery manufacturing, in particular to a rubberizing intervention method and a rubberizing mechanism with a rubberizing intervention function.
Background
At present, a battery pole piece generally consists of metal foil and slurry, in the manufacturing process of a battery, the slurry needs to be evenly and intermittently coated on two sides of the metal foil, so that a coated area and an uncoated margin area are formed, and for the sake of safety, protective gummed paper is generally pasted at the junction of the coated area and the margin area of the pole piece. When the pole piece belt is rubberized, the pole piece belt is continuously conveyed through a conveying device generally, and the rubberizing die head at the upper end of the pole piece belt carries out rubberizing operation on the pole piece belt; however, the conventional rubberizing operation has the following problems: because the in-process of pole piece area tape transport can accumulate the tape transport offset, the relative position between pole piece area and the rubberizing die head takes place certain skew, produces the rubberizing deviation, when the rubberizing deviation value is too big, can judge the product as NG article, abandons the NG article, stops again, and the manual work is carried out the pole piece and is rectified.
The existing detection deviation rectifying process generally comprises the steps of firstly rubberizing, detecting a rubberizing effect at the rear end of a rubberizing station, stopping when a rubberizing deviation value of an actual rubberizing area and a preset rubberizing area is too large, and manually rectifying the deviation of a pole piece.
So, can be because the pole piece is rectified inefficiency, influence electric core manufacturing efficiency greatly, lead to manufacturing cost height. In addition, because the rubberizing device has a complex structure, if the rubberizing device is adjusted and moved to realize deviation correction in a manner of adjusting the position between the rubberizing die head and the pole piece, the deviation correction cost is increased, and the deviation correction efficiency is low.
Disclosure of Invention
In order to overcome the defects of the prior art, one of the purposes of the invention is to provide a rubberizing intervention method for improving the rubberizing yield.
The second purpose of the invention is to provide a rubberizing mechanism with rubberizing intervention function for improving the rubberizing yield.
One of the purposes of the invention is realized by adopting the following technical scheme:
a rubberizing intervention method comprises the following steps:
a step of rubberizing: carrying out rubberizing operation on the pole piece belt through a rubberizing device at a rubberizing station;
an image acquisition step: collecting an image of the electrode strip on a visual detection station to obtain an anode rubberizing image and/or a cathode rubberizing image; the visual detection station is arranged at the rear side of the rubberizing station along the conveying direction of the pole piece belt;
and an offset calculation step: processing the rubberizing image, determining the position of the gummed paper, calculating a rubberizing distance value between the gummed paper and the pole piece, and obtaining an offset value through the rubberizing distance value;
and (3) rubberizing intervention judgment: judging whether the calculated deviation value falls within a preset rubberizing deviation threshold value or not; if the deviation value exceeds the rubberizing deviation threshold value, sending a rubberizing intervention signal to a deviation correcting device located at a deviation correcting station for rubberizing intervention; if the deviation value falls within the rubberizing deviation threshold value, the rubberizing intervention step is not carried out;
adhesive tape adhering intervention step: at a deviation rectifying station, carrying out y-direction deviation rectifying and/or x-direction deviation rectifying on the pole piece belt through a deviation rectifying device, wherein the x direction is the transmission direction of the pole piece belt, and the y direction is the width direction of the pole piece belt; along the conveying direction of the pole piece belt, the deviation rectifying station is arranged on the front side of the rubberizing station.
Further, the rubberizing intervention method is a closed-loop control method; the image acquisition step, the offset calculation step and the rubberizing intervention judgment step are continuously carried out;
continuously feeding back a judgment result in the rubberizing intervention judgment step to the deviation correction device, wherein the rubberizing intervention step is continuously carried out after the deviation value exceeds the rubberizing deviation threshold value; until the rubberizing deviation judging step, the deviation value returns to the rubberizing deviation threshold value; and when the deviation value returns to the qualified deviation threshold value, sending a signal for stopping deviation correction intervention to the deviation correction device, and stopping deviation correction by the deviation correction device.
Further, in the offset amount calculating step, at least 3 rubberizing distance values are repeatedly recorded to form a set of offset amount value groups, and the offset value is calculated according to the variance and standard deviation of the rubberizing distance values in the set of offset amount value groups.
Further, in the offset calculation step, the rubberizing image is processed, and a y-direction rubberizing distance is calculated;
in the step of rubberizing intervention judgment, judging whether the y-direction rubberizing distance falls within a preset y-direction rubberizing offset threshold value;
and in the step of rubberizing intervention, the position of the pole piece belt in the y direction is adjusted through a deviation correcting device.
The second purpose of the invention is realized by adopting the following technical scheme:
a rubberizing mechanism with rubberizing intervention function, a conveying device, a control device and a control device, wherein the conveying device is used for conveying a pole piece belt, and the pole piece belt comprises a pole piece bottom film and gummed paper positioned on the pole piece bottom film;
the rubberizing device is used for rubberizing the base film of the pole piece with gummed paper;
the visual detection device comprises at least one image acquisition module, wherein the image acquisition module is arranged on the upper side or the lower side of the pole piece belt and is used for shooting an image of the pole piece belt so as to obtain an anode rubberizing image and/or a cathode rubberizing image;
the deviation correcting device is used for adjusting the position of the pole piece belt in the y direction, the x direction is the transmission direction of the pole piece to be transmitted, and the y direction is the width direction of the pole piece belt;
and the deviation correcting device, the adhesive tape pasting device and the visual detection device are sequentially arranged along the transmission direction of the pole piece belt.
Further, the visual inspection device comprises a first image sensor assembly and a second image sensor assembly, wherein the first image sensor assembly is arranged on the upper side or the lower side of the pole piece belt so as to shoot an anode front image and/or an anode back image on the pole piece belt, so that an anode rubberizing image is obtained; the second image sensor assembly is arranged on the upper side or the lower side of the pole piece belt so as to shoot a cathode front image and/or a cathode back image on the pole piece belt.
Further, the first image sensor assembly and/or the second image sensor assembly is a CCD camera.
Furthermore, the deviation correcting device comprises a rack, a deviation correcting roller, a first mounting seat, a second mounting seat, a first driving mechanism and a second driving mechanism;
one end of the deviation rectifying roller is pivoted with the first mounting seat, the frame is provided with a hinged part, and the first mounting seat is hinged with the hinged part; the other end of the deviation rectifying roller is pivoted with the second mounting seat, the rack is provided with a sliding matching part, and the second mounting seat is connected with the sliding matching part in a sliding manner;
the first driving mechanism is in transmission connection with the deviation rectifying roller and is used for driving the deviation rectifying roller to rotate around a pivoting axis so as to transmit the pole piece belt; the second driving mechanism is connected with the second mounting seat and used for driving the second mounting seat to slide along the sliding fit portion, so that one end of the rectification roller rotates around the hinged portion, the y-direction position of the pole piece belt on the rectification roller is adjusted, and the y-direction is the length direction of the rectification roller.
Further, the sliding fit portion extends along the x direction, the second driving mechanism is used for driving the second mounting seat to slide along the x direction relative to the sliding fit portion, and the x direction is the transmission direction of the pole piece belt.
Further, the first driving mechanism comprises a first motor and a belt, and the first motor is in transmission connection with the deviation rectifying roller through the belt so as to drive the deviation rectifying roller to rotate; the second driving mechanism comprises a second motor and a second transmission assembly, and the second motor is in transmission connection with the second mounting seat through the second transmission assembly so as to drive the second mounting seat to move along the x direction relative to the rack; the second motor is a stepping motor.
Compared with the prior art, the invention has the beneficial effects that: is beneficial to improving the yield of the rubberizing and saving the manufacturing cost.
Drawings
FIG. 1 is a schematic illustration of the rubberizing intervention process of the invention;
FIG. 2 is a schematic view of the visual inspection of the taping intervention method and the taping mechanism with the taping intervention function of the present invention;
FIG. 3 is a schematic diagram of the operation of the present invention and the deviation correcting device of the gluing mechanism with the gluing intervention function;
in the figure: 100. a first image sensor assembly; 200. a second image sensor assembly; 300. a deviation correcting device; 311. a deviation rectifying roller; 312. a first mounting seat; 313. a second mounting seat; 314. a first drive mechanism; 3141. a belt; 3142. a first motor; 315. a second drive mechanism; 320. a frame; 321. a hinge portion; 322. a slide-fit portion; 90. a pole piece band; 91. gummed paper.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.
The y direction refers to the width direction of the pole piece tape 90, and the x direction refers to the transport direction of the pole piece tape 90.
As shown in fig. 1 to 3, the present embodiment provides a rubberizing intervention method, including the following steps:
a step of rubberizing: the pole piece belt 90 is rubberized at a rubberizing station through a rubberizing device; in this embodiment, 2 to 3 different adhesive tapes 91 are stuck to the margin area;
an image acquisition step: acquiring images of the pole piece belts 90 at a visual detection station to obtain images of the anode continuous acquisition pole piece belts 90 to obtain an anode rubberizing image and/or a cathode rubberizing image; the visual detection station is arranged at the rear side of the rubberizing station along the conveying direction of the pole piece belt 90;
and an offset calculation step: processing the rubberizing image, determining the position of the gummed paper 91, calculating a rubberizing distance value between the gummed paper 91 and the pole piece, and obtaining an offset value through the rubberizing distance value;
and (3) rubberizing intervention judgment: judging whether the calculated deviation value falls within a preset rubberizing deviation threshold value or not; if the deviation value exceeds the rubberizing deviation threshold value, sending a rubberizing intervention signal to a deviation correcting device 300 located at a deviation correcting station for rubberizing intervention; if the deviation value falls within the rubberizing deviation threshold value, the rubberizing intervention step is not carried out;
adhesive tape adhering intervention step: at the deviation rectifying station, the deviation rectifying device 300 is used for carrying out y-direction deviation rectifying and/or x-direction deviation rectifying on the pole piece belt 90, wherein the x direction is the transmission direction of the pole piece belt 90, and the y direction is the width direction of the pole piece belt 90; along the direction of transfer of pole piece area 90, the station of rectifying is located rubberizing station front side.
Preferably, in the image capturing step, the rubberizing positions on the pole piece tape 90 are photographed by a CCD camera to capture an image.
Preferably, in the offset calculation step, after the system collects an image, the system determines the rubberizing position by finding an edge, and determines the pole piece belt 90 position and the rubberizing position by a channel threshold and a one-dimensional measurement algorithm, respectively. Specifically, the reference coordinate of the gummed paper 91 and the reference coordinate of the pole piece are the same coordinate, and the coordinate difference value can be obtained by subtracting the coordinates of the gummed paper 91 and the reference coordinate of the pole piece, and then the image coordinate is converted into a specific value by using a halcon calibration algorithm (a correction file is obtained by carrying out distortion correction on a camera lens by a loading algorithm when a program is started).
According to the rubberizing intervention method, in the feeding direction, a deviation correcting station is arranged before a rubberizing station, a visual detection station is arranged after the rubberizing station, so that after the rubberizing station finishes rubberizing, visual detection can be carried out at the rear end, a rubberizing deviation value is calculated, whether the deviation value exceeds a rubberizing deviation threshold value or not is analyzed, when the deviation value exceeds the rubberizing deviation threshold value, a deviation correcting device 300 can be controlled to carry out early intervention deviation correction on a pole piece before the rubberizing station, the position of a pole piece belt 90 is adjusted in advance before rubberizing, therefore, the relative position of the rubberizing device and the pole piece belt 90 can be adjusted in real time without stopping, and the influence of a belt moving error on rubberizing is compensated in time; when the rubberizing deviation threshold value set by the system is not greater than the standard value of the production process required by a battery manufacturer, the rubberizing yield can be effectively improved; the rubberizing intervention method of the embodiment is beneficial to reducing the deviation rectifying cost and improving the production efficiency through the advance compensation intervention.
Preferably, the rubberizing intervention method is a closed-loop control method; continuously carrying out an image acquisition step, an offset calculation step and a rubberizing intervention judgment step;
continuously carrying out an image acquisition step at a visual detection station, continuously feeding back a judgment result in the rubberizing intervention judgment step to the deviation correction device 300, and continuously carrying out the rubberizing intervention step after the deviation value exceeds the rubberizing deviation threshold value; until the rubberizing deviation judging step, the deviation value returns to the rubberizing deviation threshold value; when the deviation value returns to the qualified deviation threshold value, a signal for stopping deviation correction intervention is sent to the deviation correction device 300, and the deviation correction device 300 stops deviation correction.
Preferably, in the offset amount calculating step, at least 3 rubberizing pitch values are repeatedly recorded to form a set of offset amount value groups, and the offset value is calculated according to the variance and standard deviation of the rubberizing pitch values in the set of offset amount value groups.
Preferably, in the offset calculation step, after the pasting position is determined, the pixel distance between the pole piece and the adhesive tape 91 is calculated, the pixel distance is converted into an actual size through a proportionality coefficient, 10 data are repeatedly recorded in this way, and the variance and Sigma of 10 groups of data are calculated to obtain the offset value.
Preferably, the software communication transmits the offset value data to the control system through the TCP, UDP/FINS network protocol, and the control system controls the deviation rectifying device 300 to start up to rectify the deviation after receiving the data
Preferably, in the offset calculation step, the rubberizing image is processed, and a y-direction rubberizing distance is calculated;
in the step of rubberizing intervention judgment, judging whether the y-direction rubberizing distance falls within a preset y-direction rubberizing offset threshold value;
in the step of rubberizing intervention, the position of the pole piece belt 90 in the y direction is adjusted through the deviation correcting device 300, so that the accumulated y-direction belt conveying deviation in the process of conveying the pole piece belt 90 by the conveying roller can be effectively compensated.
As shown in fig. 2 and 3, the embodiment further provides a rubberizing mechanism with a rubberizing intervention function, and the conveying device is used for conveying a pole piece belt 90, where the pole piece belt 90 includes a pole piece base film and a gummed paper 91 located on the pole piece base film;
the rubberizing device is used for rubberizing the adhesive paper 91 on the bottom film of the pole piece;
the visual detection device comprises at least one image acquisition module, wherein the image acquisition module is arranged on the upper side or the lower side of the pole piece belt 90 and is used for shooting the image of the pole piece belt 90 so as to obtain an anode rubberizing image and/or a cathode rubberizing image;
the deviation correcting device 300 is used for adjusting the position of the pole piece belt 90 in the y direction, wherein the x direction is the pole piece transmission direction, and the y direction is the width direction of the pole piece belt 90;
along the transmission direction of the pole piece belt 90, the deviation correcting device 300, the adhesive tape pasting device and the visual detection device are sequentially arranged.
Preferably, the vision inspection apparatus includes a first image sensor assembly 100 and a second image sensor assembly 200, the first image sensor assembly 100 being provided on an upper side or a lower side of the pole piece strip 90 to capture an anode front image and/or an anode back image on the pole piece strip 90, thereby obtaining an anode paste image; the second image sensor assembly 200 is provided on the upper or lower side of the pole piece strip 90 to capture a cathode front image and/or a cathode back image on the pole piece strip 90.
Preferably, the first image sensor assembly 100 and/or the second image sensor assembly 200 is a CCD camera. As shown in fig. 2, the first image sensor assembly 100 is used for collecting the anode front image, and the second image sensor assembly 200 is used for collecting the cathode front and back images; in other embodiments, the first image sensor assembly 100 may be augmented with a CCD camera to capture the anode front image.
The deviation correcting device 300 in the rubberizing mechanism with the rubberizing intervention function of the embodiment adopts the following structural arrangement:
as shown in fig. 3, the deviation rectifying device 300 includes a frame 320, a deviation rectifying roller 311, a first mounting seat 312, a second mounting seat 313, a first driving mechanism 314, and a second driving mechanism 315; one end of the rectification roller 311 is pivoted with the first mounting seat 312, the frame 320 is provided with a hinge portion 321, and the first mounting seat 312 is hinged with the hinge portion 321; the other end of the rectification roller 311 is pivoted with the second mounting seat 313, the frame 320 is provided with a sliding matching part 322, and the second mounting seat 313 is connected with the sliding matching part 322 in a sliding manner; the first driving mechanism 314 is in transmission connection with the rectification roller 311, when the first driving mechanism 314 works, the rectification roller 311 is driven to rotate around the pivot axis, and when the rectification roller 311 rotates around the pivot axis, the rectification roller is used for forward transmission of the pole piece belt 90 on the roller surface; the second driving mechanism 315 is connected to the second mounting seat 313, and is configured to drive the second mounting seat 313 to slide along the sliding engagement portion 322, so that one end of the rectification roller 311 rotates around the hinge portion 321, thereby adjusting a y-direction position of the pole piece belt 90 on the rectification roller 311, where the y-direction is a longitudinal direction of the rectification roller 311.
In the deviation correcting device 300 of this embodiment, through the cooperation between the deviation correcting roller 311, the first mounting seat 312, the second mounting seat 313, the frame 320, the first driving mechanism 314 and the second driving mechanism 315, the first driving mechanism 314 drives the deviation correcting roller 311 to rotate around the pivot axis, so that the deviation correcting roller 311 has the action of actively conveying the pole piece belt 90, and the second driving mechanism 315 drives the deviation correcting roller 311 to rotate around the hinge portion 321, i.e. the deviation correcting roller 311 swings, and in some embodiments, the deviation correction can be realized by slight swinging (0.1-5 °); when the deviation correcting roller 311 swings, the deviation correcting roller 311 keeps actively feeding, as shown in fig. 1, so that the y-direction relative position between the pole piece belt 90 and the deviation correcting roller 311 changes, and the generated rubberizing deviation value Δ y can be compensated, and the rubberizing deviation value gradually decreases in the working process of the second driving mechanism 315 until the rubberizing deviation value returns to zero.
The deviation correcting device 300 of the embodiment is beneficial to improving the deviation correcting efficiency and improving the deviation correcting effect.
Preferably, in the present embodiment, in order to avoid damaging the pole piece belt 90 when the rectification roller 311 swings, the sliding fit portion 322 is configured to extend along the x direction, the sliding fit portion 322 is parallel to the x direction, the second driving mechanism 315 is configured to drive the second mounting seat 313 to slide along the x direction relative to the sliding fit portion 322, and the x direction is the conveying direction of the pole piece belt 90; in this way, the second mounting seat 313 slides in the x-y plane, and the rectification roller 311 swings in the x-y plane, so that the pole piece belt 90 is not subjected to push-pull force from the z direction, which is a direction perpendicular to the x-y plane, and damage to the pole piece belt 90 is avoided.
Specifically, the sliding-fit portion 322 is a guide rail, and the second mounting seat 313 is provided with a sliding slot slidably fitted with the guide rail. In other embodiments, other sliding fit manners are also possible.
Preferably, in order to ensure that the first driving mechanism 314 can stably drive the rectification roller 311 to rotate around the pivot axis when the rectification roller 311 swings to normally feed the belt, the first driving mechanism 314 of the embodiment includes a first motor 3142 and a belt 3141, and the first motor 3142 is in transmission connection with the rectification roller 311 through the belt 3141 to drive the rectification roller 311 to rotate.
Specifically, the roller 311 comprises a roller body and roller shafts arranged at two ends of the roller body, the roller 311 is pivoted with the first mounting seat 312 and the second mounting seat 313 through the roller shafts, one end of the belt 3141 is sleeved on the roller shafts, and the other end of the belt 3141 is in transmission connection with the motor shaft.
Preferably, the second driving mechanism 315 includes a second motor and a second transmission assembly, the second motor is in transmission connection with the second mounting seat 313 through the second transmission assembly to drive the second mounting seat 313 to move along the x direction relative to the machine frame 320; in order to precisely adjust the speed of the rectification roller 311 rotating around the hinge portion 321, the second motor is a stepping motor. The second transmission assembly can be arranged according to specific requirements.
When the rubberizing intervention method in the embodiment adopts the deviation correction device 300 to correct the deviation, the rubberizing intervention method is based on a control mode of closed-loop control, and when the rubberizing deviation value reaches a preset deviation threshold value, a deviation correction signal is sent to the deviation correction device 300 to correct the deviation, and when the rubberizing deviation value returns to a safe deviation threshold value, a deviation correction stopping signal is sent to the deviation correction device 300, and the deviation correction device 300 stops correcting the deviation; so, to the pole piece basement membrane of difference, need not to predetermine the displacement of second mount pad 313 according to the friction difference between pole piece basement membrane and the roller 311 of rectifying, can rectify in real time for the pole piece basement membrane returns gradually, and it is effectual to rectify, can intervene rubberizing work in advance, effectively avoids the production of defective products, can effectively improve the rubberizing yields, improves production efficiency.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (10)
1. A rubberizing intervention method is characterized by comprising the following steps:
a step of rubberizing: carrying out rubberizing operation on the pole piece belt through a rubberizing device at a rubberizing station;
an image acquisition step: collecting an image of the electrode strip on a visual detection station to obtain an anode rubberizing image and/or a cathode rubberizing image; the visual detection station is arranged at the rear side of the rubberizing station along the conveying direction of the pole piece belt;
and an offset calculation step: processing the rubberizing image, determining the position of the gummed paper, calculating a rubberizing distance value between the gummed paper and the pole piece, and obtaining an offset value through the rubberizing distance value;
and (3) rubberizing intervention judgment: judging whether the calculated deviation value falls within a preset rubberizing deviation threshold value or not; if the deviation value exceeds the rubberizing deviation threshold value, sending a rubberizing intervention signal to a deviation correcting device located at a deviation correcting station for rubberizing intervention; if the deviation value falls within the rubberizing deviation threshold value, the rubberizing intervention step is not carried out;
adhesive tape adhering intervention step: at a deviation rectifying station, carrying out y-direction deviation rectifying and/or x-direction deviation rectifying on the pole piece belt through a deviation rectifying device, wherein the x direction is the transmission direction of the pole piece belt, and the y direction is the width direction of the pole piece belt; along the conveying direction of the pole piece belt, the deviation rectifying station is arranged on the front side of the rubberizing station.
2. The rubberizing intervention method according to claim 1, characterized in that:
the rubberizing intervention method is a closed-loop control method; the image acquisition step, the offset calculation step and the rubberizing intervention judgment step are continuously carried out;
continuously feeding back a judgment result in the rubberizing intervention judgment step to the deviation correction device, wherein the rubberizing intervention step is continuously carried out after the deviation value exceeds the rubberizing deviation threshold value; until the rubberizing deviation judging step, the deviation value returns to the rubberizing deviation threshold value; and when the deviation value returns to the qualified deviation threshold value, sending a signal for stopping deviation correction intervention to the deviation correction device, and stopping deviation correction by the deviation correction device.
3. The rubberizing intervention method according to claim 1, characterized in that:
in the offset calculating step, at least 3 rubberizing distance values are repeatedly recorded to form a group of offset value groups, and the offset values are calculated according to variances and standard deviations of the rubberizing distance values in the offset value groups.
4. The rubberizing intervention method according to claim 1, characterized in that:
in the offset calculation step, processing the rubberizing image, and calculating to obtain a y-direction rubberizing distance;
in the step of rubberizing intervention judgment, judging whether the y-direction rubberizing distance falls within a preset y-direction rubberizing offset threshold value;
and in the step of rubberizing intervention, the position of the pole piece belt in the y direction is adjusted through a deviation correcting device.
5. The utility model provides a rubberizing mechanism with rubberizing intervenes function which characterized in that includes:
the transmission device is used for transmitting a pole piece belt, and the pole piece belt comprises a pole piece bottom film and gummed paper positioned on the pole piece bottom film;
the rubberizing device is used for rubberizing the base film of the pole piece with gummed paper;
the visual detection device comprises at least one image acquisition module, wherein the image acquisition module is arranged on the upper side or the lower side of the pole piece belt and is used for shooting an image of the pole piece belt so as to obtain an anode rubberizing image and/or a cathode rubberizing image;
the deviation correcting device is used for adjusting the position of the pole piece belt in the y direction, the x direction is the transmission direction of the pole piece to be transmitted, and the y direction is the width direction of the pole piece belt;
and the deviation correcting device, the adhesive tape pasting device and the visual detection device are sequentially arranged along the transmission direction of the pole piece belt.
6. The rubberizing mechanism with a rubberizing intervention function according to claim 5, wherein:
the visual detection device comprises a first image sensor assembly and a second image sensor assembly, wherein the first image sensor assembly is arranged on the upper side or the lower side of the pole piece belt so as to shoot an anode front image and/or an anode back image on the pole piece belt, so that an anode rubberizing image is obtained; the second image sensor assembly is arranged on the upper side or the lower side of the pole piece belt so as to shoot a cathode front image and/or a cathode back image on the pole piece belt.
7. The rubberizing mechanism with a rubberizing intervention function according to claim 6, wherein:
the first image sensor assembly and/or the second image sensor assembly is a CCD camera.
8. The rubberizing mechanism with a rubberizing intervention function according to claim 5, wherein:
the deviation correcting device comprises a rack, a deviation correcting roller, a first mounting seat, a second mounting seat, a first driving mechanism and a second driving mechanism;
one end of the deviation rectifying roller is pivoted with the first mounting seat, the frame is provided with a hinged part, and the first mounting seat is hinged with the hinged part; the other end of the deviation rectifying roller is pivoted with the second mounting seat, the rack is provided with a sliding matching part, and the second mounting seat is connected with the sliding matching part in a sliding manner;
the first driving mechanism is in transmission connection with the deviation rectifying roller and is used for driving the deviation rectifying roller to rotate around a pivoting axis so as to transmit the pole piece belt; the second driving mechanism is connected with the second mounting seat and used for driving the second mounting seat to slide along the sliding fit portion, so that one end of the rectification roller rotates around the hinged portion, the y-direction position of the pole piece belt on the rectification roller is adjusted, and the y-direction is the length direction of the rectification roller.
9. The rubberizing mechanism with a rubberizing intervention function according to claim 8, wherein:
the sliding fit part extends along the x direction, the second driving mechanism is used for driving the second mounting seat to slide along the x direction relative to the sliding fit part, and the x direction is the transmission direction of the pole piece belt.
10. The rubberizing mechanism with a rubberizing intervention function according to claim 8, wherein:
the first driving mechanism comprises a first motor and a belt, and the first motor is in transmission connection with the deviation rectifying roller through the belt so as to drive the deviation rectifying roller to rotate; the second driving mechanism comprises a second motor and a second transmission assembly, and the second motor is in transmission connection with the second mounting seat through the second transmission assembly so as to drive the second mounting seat to move along the x direction relative to the rack; the second motor is a stepping motor.
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Denomination of invention: Adhesive sticking intervention method and adhesive sticking mechanism with adhesive sticking intervention function Effective date of registration: 20220429 Granted publication date: 20220118 Pledgee: Industrial and Commercial Bank of China Limited Guangzhou Science and technology sub branch Pledgor: GUANGZHOU SUPERSONIC AUTOMATION TECHNOLOGY Co.,Ltd. Registration number: Y2022440000077 |
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