CN112571154A - Method for determining deviation correcting data of two sides of strip and deviation correcting system of two sides of strip - Google Patents
Method for determining deviation correcting data of two sides of strip and deviation correcting system of two sides of strip Download PDFInfo
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- CN112571154A CN112571154A CN201910948639.5A CN201910948639A CN112571154A CN 112571154 A CN112571154 A CN 112571154A CN 201910948639 A CN201910948639 A CN 201910948639A CN 112571154 A CN112571154 A CN 112571154A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/22—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring existing or desired position of tool or work
- B23Q17/2291—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring existing or desired position of tool or work for adjusting the workpiece relative to the holder thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q15/00—Automatic control or regulation of feed movement, cutting velocity or position of tool or work
- B23Q15/20—Automatic control or regulation of feed movement, cutting velocity or position of tool or work before or after the tool acts upon the workpiece
- B23Q15/22—Control or regulation of position of tool or workpiece
- B23Q15/26—Control or regulation of position of tool or workpiece of angular position
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
- B23Q7/16—Loading work on to conveyors; Arranging work on conveyors, e.g. varying spacing between individual workpieces
- B23Q7/18—Orienting work on conveyors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D5/005—Computer numerical control means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/06—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form
- B26D7/0683—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form specially adapted for elongated articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/08—Means for treating work or cutting member to facilitate cutting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/08—Means for treating work or cutting member to facilitate cutting
- B26D2007/082—Guiding or pushing a web into a favorable position by deflector means
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Abstract
The application provides a method for determining double-side deviation correcting data of a strip and a double-side strip deviation correcting system, wherein the method for determining the double-side deviation correcting data of the strip comprises the following steps: detecting the coating of the front side of the strip moving along with the conveying device through a first group of detection devices to carry out edge detection, and determining a first front side boundary and a second front side boundary of the moving direction of the coated conveying device; calculating a first frontal distance between the first frontal boundary and a first frontal reference line on the conveyor corresponding to a detection device for detecting the first frontal boundary; calculating a second frontal distance between the second frontal boundary and a second frontal reference line on the conveyor corresponding to the detection device for detecting the second frontal boundary; and when the first front distance or/and the second front distance is not within the first set value interval, calculating to obtain the deviation correcting data according to the first front distance, the second front distance, and the first endpoint value or the second endpoint value of the first set value interval.
Description
Technical Field
The application relates to the technical field of mechanical control, in particular to a method for determining double-side deviation rectifying data of a strip and a double-side strip deviation rectifying system.
Background
The tape is a material having a width, which may be a steel plate, tape, pole piece, or the like. In specific use, the material with a certain width can be used for manufacturing various mechanical components. The tape may be subjected to some movement, cutting, etc. prior to the fabrication of the components. In order to cut the strip accurately, it is necessary that the position in the movement before the strip is cut is not shifted. In the prior art, the edge of a strip is detected to determine whether the strip is deviated, and if the strip is deviated, the deviation of the strip is corrected.
Disclosure of Invention
In view of this, an object of the present application is to provide a method for determining double-side deviation correction data of a strip and a double-side strip deviation correction system. The deviation correcting data of the strip can be determined by detecting the two coated edges of the strip, so that the effect of accurately obtaining the deviation correcting data of the strip can be achieved.
In a first aspect, an embodiment of the present application provides a method for determining strip bilateral deviation rectification data, including:
detecting, by a first set of detection devices, a coating of a front side of a strip moving with a conveyor for edge detection, determining a first front side boundary and a second front side boundary of the coated conveyor in a direction of movement;
calculating a first frontal distance between the first frontal boundary and a first frontal reference line on the conveyor corresponding to a detection device for detecting the first frontal boundary;
calculating a second frontal distance between the second frontal boundary and a second frontal reference line on the conveyor corresponding to the detection device for detecting the second frontal boundary;
and when the first frontal distance or/and the second frontal distance is not within a first set numerical range, calculating to obtain deviation correcting data according to the first frontal distance, the second frontal distance, and a first endpoint value or a second endpoint value of the first set numerical range.
With reference to the first aspect, an embodiment of the present application provides a first possible implementation manner of the first aspect, where: the method further comprises the following steps:
detecting the coating of the reverse side of the strip moving along with the conveying device through a second group of detection devices to carry out edge detection, and determining a first reverse side boundary and a second reverse side boundary of the moving direction of the conveying device for coating;
calculating a first back side distance between the first back side boundary and a first back side reference line, which corresponds to the first back side boundary on the conveying device, of a detection device for detecting the first back side boundary;
calculating a second back side distance between the second back side boundary and a second back side reference line, which corresponds to the second back side reference line on the conveying device, of the detection device for detecting the second back side boundary;
when the first frontal distance or/and the second frontal distance is not within a first set value interval, calculating deviation correcting data according to the first frontal distance, the second frontal distance, and a first endpoint value or a second endpoint value of the first set value interval, including:
and when the first front distance or/and the second front distance is not within a first set numerical range and the first back distance or/and the second back distance is not within the first set numerical range, calculating to obtain deviation correcting data according to the first front distance, the second front distance, the first back distance, the second back distance, and a first endpoint value or a second endpoint value of the first set numerical range.
According to the method for determining the bilateral deviation rectifying data of the strip, the coated bilateral boundaries of the two sides of the strip are detected, so that the strip can be adjusted by combining the coated bilateral boundaries, and the deviation rectifying data can be used for adjusting the strip more accurately.
With reference to the first possible implementation manner of the first aspect, an embodiment of the present application provides a second possible implementation manner of the first aspect, where: when the first front distance or/and the second front distance is not within a first set value interval and the first back distance or/and the second back distance is not within the first set value interval, calculating deviation correcting data according to the first front distance, the second front distance, the first back distance, the second back distance, and a first endpoint value or a second endpoint value of the first set value interval, including:
calculating a first difference between the first frontal distance and the second frontal distance;
calculating a second difference between the first back side distance and the second back side distance;
when the first difference value and the second difference value are both within a second set numerical value interval, calculating by using a first calculation rule to obtain first deviation correcting data;
and when the first difference or the second difference is not in a second set numerical value interval, calculating by using a second calculation rule to obtain second deviation correcting data.
According to the method for determining the deviation-correcting data of the two sides of the strip, different calculation rules can be used for calculating according to the difference value between the first front distance and the second front distance and the difference value between the first back distance and the second back distance, so that different requirements can be matched, and the deviation-correcting data can be determined more accurately.
With reference to the second possible implementation manner of the first aspect, an embodiment of the present application provides a third possible implementation manner of the first aspect, where, when the first difference and the second difference are both within a second set value interval, the step of calculating to obtain the first deviation correcting data by using a first calculation rule includes:
when the first difference and the second difference are both within a second set numerical value interval, calculating a first deviation rectifying interval according to a first front distance, a first back distance, a first end value and a second end value;
calculating a second deviation rectifying interval according to a second front distance, the second back distance, the first end point value and the second end point value;
and determining the first deviation rectifying data according to the first deviation rectifying interval and the second deviation rectifying interval.
The method for determining the bilateral deviation rectifying data of the strip provided by the embodiment of the application can also respectively consider the front side and the back side to respectively determine a first deviation rectifying interval required by the front side and a second deviation rectifying interval required by the back side, and further combine the first deviation rectifying interval and the second deviation rectifying interval to determine the deviation rectifying data which can over-satisfy the front side requirement and the back side requirement.
With reference to the second possible implementation manner of the first aspect, an embodiment of the present application provides a fourth possible implementation manner of the first aspect, where, when the first difference or the second difference is not within a second set value interval, the step of obtaining second deviation correcting data by using a second calculation rule includes:
when the first difference or the second difference is not within a second set value interval, calculating a first boundary distance between the first front boundary and the second front boundary;
calculating a second boundary distance of the first reverse boundary and the second reverse boundary;
judging whether the first boundary distance and the second boundary distance are equal;
and when the first boundary distance is equal to the second boundary distance, calculating according to the first front distance, the second front distance, the first back distance and the second back distance to obtain second deviation correcting data.
According to the method for determining the deviation correcting data of the two sides of the strip, the deviation correcting data can be determined according to the first front distance, the second front distance, the first back distance and the second back distance, and the determined deviation correcting data can meet the deviation correcting requirements of the strip.
With reference to the second possible implementation manner of the first aspect, an embodiment of the present application provides a fifth possible implementation manner of the first aspect, where, when the first difference or the second difference is not within a second set value interval, the step of calculating to obtain second deviation correcting data by using a second calculation rule includes:
when the first difference or the second difference is not within a second set value interval, calculating a first boundary distance between the first front boundary and the second front boundary;
calculating a second boundary distance of the first reverse boundary and the second reverse boundary;
judging whether the first boundary distance and the second boundary distance are equal;
when the first boundary distance is not equal to the second boundary distance, and the first front boundary overlaps the first back boundary or the second front boundary overlaps the second back boundary, calculating the second deviation correcting data according to the first front distance, the second front distance, the first endpoint value and the second endpoint value.
According to the method for determining the deviation rectifying data of the two sides of the strip, when the front side or the back side of the coating is provided with the overlapped boundary, the deviation rectifying data can be obtained by calculating the first front distance, the second front distance, the first end point value and the second end point value according to one side of data, and the deviation rectifying data can be determined relatively accurately under the condition that the calculation parameters are few.
With reference to the second possible implementation manner of the first aspect, an embodiment of the present application provides a sixth possible implementation manner of the first aspect, where, when the first difference or the second difference is not within a second set value interval, the step of calculating to obtain second deviation correcting data by using a second calculation rule includes:
when the first difference or the second difference is not within a second set value interval, calculating a first boundary distance between the first front boundary and the second front boundary;
calculating a second boundary distance of the first reverse boundary and the second reverse boundary;
judging whether the first boundary distance and the second boundary distance are equal;
and when the first boundary distance and the second boundary distance are not equal, and the first front boundary and the first back boundary are not overlapped and the second front boundary and the second back boundary are not overlapped, calculating the second deviation correcting data according to the first front distance, the second front distance, the first back distance and the second back distance.
According to the method for determining the deviation correcting data of the two sides of the strip, when the boundaries of the front side or the back side of the coating are not overlapped, the deviation correcting data can be obtained by calculating the first front distance, the second front distance, the first end point value and the second end point value according to one side of data, and the deviation correcting data can be determined relatively accurately under the condition that the calculation parameters are few.
With reference to the first aspect or any one of the possible implementation manners of the first aspect, an embodiment of the present application provides a seventh possible implementation manner of the first aspect, where the method further includes:
and adjusting the position of the moving strip according to the deviation correcting data through a deviation correcting device.
According to the method for determining the bilateral deviation correction data of the strip, the position of the strip can be adjusted through the deviation correction device, and therefore the deviation correction efficiency is higher.
In a second aspect, an embodiment of the present application further provides a double-sided tape deviation rectifying system, where the double-sided tape deviation rectifying system includes:
the first group of detection devices are arranged on one side of the conveying device of a conveying mechanism and used for detecting a plurality of groups of edge data coated on the strip to be detected on the conveying device;
the controller is used for determining deviation correcting data required by the movement of the strip to be detected according to the edge data;
and the deviation correcting device is used for adjusting the position of the strip to be detected according to the deviation correcting data.
In combination with the second aspect, the present embodiments provide a first possible implementation manner of the second aspect, where: the double-sided tape deviation correcting system further comprises:
and the second group of detection devices are arranged on the other side of the conveying device of the conveying mechanism and are used for detecting the coating multiple groups of edge data on the other side of the strip to be detected on the conveying device.
According to the method for determining the deviation rectifying data of the two sides of the strip, the detection device groups can be arranged on the two sides of the strip, so that the coating boundary positions of the front side and the back side of the strip can be detected more conveniently, and the efficiency for determining the deviation rectifying data of the strip can be improved.
In a third aspect, an embodiment of the present application further provides an electronic device, including: a processor, a memory storing machine-readable instructions executable by the processor, the machine-readable instructions, when executed by the processor, performing the steps of the method of the first aspect described above, or any possible implementation of the first aspect, when the electronic device is run.
In a fourth aspect, this embodiment of the present application further provides a computer-readable storage medium, on which a computer program is stored, where the computer program is executed by a processor to perform the steps of the method in the first aspect or any one of the possible implementation manners of the first aspect.
The method for determining the deviation correcting data of the two sides of the strip, the double-sided strip deviation correcting system, the control device and the computer readable storage medium provided by the embodiment of the application detect the two coated boundaries, so that whether the strip moving along with the conveying device deviates or not is determined, if the deviation occurs, the available deviation correcting data can be determined according to the distance between the two coated boundaries and the set reference line, compared with the method for directly detecting the edges of the strip in the prior art, the method can ensure that the coating of the strip can be in a reliable range, and therefore the problem that when the coated strip is cut or bound due to the incompleteness of the edges of the strip, a required holding area (the holding area can represent an ideal state and a plate area required to be left after cutting) is damaged after penetrating is solved, and loss is caused.
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
Fig. 1 is a schematic block diagram of a double-sided tape deviation rectifying system according to an embodiment of the present application.
Fig. 2 is a block diagram of a control device according to an embodiment of the present disclosure.
Fig. 3 is a flowchart of a method for determining bilateral deviation correction data of a strip material according to an embodiment of the present application.
Fig. 4 is a schematic view of a conveyor and a belt assembly according to an embodiment of the present disclosure.
Fig. 5 is a flowchart of another method for determining double-edge deviation correction data of a strip material according to an embodiment of the present application.
Fig. 6 is a schematic view of another conveyor and a belt assembly according to an embodiment of the present disclosure.
Fig. 7 is a detailed flowchart of step 407 of the method for determining double-edge deviation correction data of a strip material according to the embodiment of the present application.
Fig. 8 is a detailed flowchart of step 4074 of the method for determining double-edge deviation correction data of a strip material according to the embodiment of the present application.
Fig. 9 is a schematic view of another conveyor and strip combination provided in the embodiments of the present application.
Fig. 10 is a schematic view of another conveyor and strip combination provided in the embodiments of the present application.
Detailed Description
The technical solution in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
Example one
To facilitate understanding of the present embodiment, a detailed description is first given of a control device or an operating environment for executing the method for determining double-edge deviation correction data of a strip disclosed in the embodiments of the present application.
As shown in fig. 1, an embodiment of the present application provides a double-sided tape deviation rectifying system. The double-sided tape deviation correcting system in this embodiment may include: a control device 100, at least two detection means 200 (only two detection means are shown in the figure) and a deviation rectification means 300.
In this embodiment, at least two detection devices 200 may be mounted above the front face of the conveyor of the drive mechanism for detecting sets of edge data for coating of the front face of the strip moving with the conveyor. Illustratively, at least one detection device 200 of the at least two detection devices 200 on the front side of the conveyor is used for detecting the first edge data of the coating, and at least one detection device 200 is used for detecting the second edge data of the coating. The edge data may include the boundary of the front surface to be coated and the distance between the boundary and the reference line determined by the detection apparatus 200.
Alternatively, when the double-sided tape deviation correcting system has four or more detecting devices 200, at least two of the detecting devices 200 may be installed above the front side of the conveying device, and the other at least two detecting devices 200 may be installed below the rear side of the conveying device.
Alternatively, the installation position of at least one detection device 200 of the at least two detection devices 200 installed above the front surface of the conveyor may be directly above a position spaced a designated distance from a first edge of the conveyor, and the installation position of at least one detection device 200 of the at least two detection devices 200 may be directly above a position spaced a designated distance from a second edge of the conveyor. Alternatively, the installation position of at least one detection device 200 of the at least two detection devices 200 installed below the reverse side of the conveyor may be directly below a position spaced a designated distance from the first edge of the conveyor, and the installation position of at least one detection device 200 of the at least two detection devices 200 may be directly below a position spaced a designated distance from the second edge of the conveyor.
Alternatively, the control apparatus 100 may be any apparatus having data processing, such as a Personal Computer (PC), a tablet PC, a smart phone, a Personal Digital Assistant (PDA), and the like. The control device 100 in this embodiment may be configured to determine the deviation correction data of the strip to be detected, which needs to move, according to the coating edge data detected by the detection device 200.
Alternatively, as shown in fig. 2, is a block schematic diagram of the control device. The control device 100 may include a memory 111, a memory controller 112, a processor 113, a peripheral interface 114, an input-output unit 115, and a display unit 116. It will be understood by those of ordinary skill in the art that the configuration shown in fig. 1 is merely an illustration and is not intended to limit the configuration of the control apparatus 100. For example, the control device 100 may also include more or fewer components than shown in FIG. 1, or have a different configuration than shown in FIG. 1.
The above-mentioned elements of the memory 111, the memory controller 112, the processor 113, the peripheral interface 114, the input/output unit 115 and the display unit 116 are electrically connected to each other directly or indirectly, so as to implement data transmission or interaction. For example, the components may be electrically connected to each other via one or more communication buses or signal lines. The processor 113 is used to execute the executable modules stored in the memory.
The memory 111 is used for storing a computer program, and the processor 113 executes the computer program after receiving an execution instruction, and the method executed by the control device 100 according to the process definition disclosed in any embodiment of the present application may be applied to the processor 113, or implemented by the processor 113.
The processor 113 may be an integrated circuit chip having signal processing capability.
The display unit 116 described above provides an interactive interface (e.g., a user operation interface) between the control device 100 and the user or for displaying image data to the user reference. In this embodiment, the display unit may be a liquid crystal display or a touch display. In the case of a touch display, the display can be a capacitive touch screen or a resistive touch screen, which supports single-point and multi-point touch operations. The support of single-point and multi-point touch operations means that the touch display can sense touch operations simultaneously generated from one or more positions on the touch display, and the sensed touch operations are sent to the processor for calculation and processing.
The control device 100 in this embodiment may be configured to execute each step in each method provided in this embodiment. The following describes in detail the implementation process of the method for determining the bilateral deviation correction data of the strip material by using several embodiments.
The deviation correcting device 300 can be used for adjusting the position of the strip to be detected according to the deviation correcting data determined by the control equipment. Alternatively, the control device 100 may send a control command to the deviation rectifying device 300 after determining the deviation rectifying data, and the deviation rectifying device 300 performs the deviation rectifying action after receiving the control command.
Alternatively, the double-sided tape deviation rectifying system in this embodiment may not include the control device 100, and may include only a controller installed in the deviation rectifying device 300, where the controller is configured to determine the deviation rectifying data required to move the tape to be detected according to the acquired coating edge data. For example, after determining the deviation correction data, the controller may adjust the position of the strip to be detected on the conveying device according to the deviation correction data.
The double-sided tape deviation rectifying system in the embodiment can be used for executing each step in each tape double-sided deviation rectifying data determining method embodiment provided by the embodiment of the application. The following describes in detail the implementation process of the method for determining the bilateral deviation correction data of the strip material by using several embodiments.
Example one
Please refer to fig. 3, which is a flowchart illustrating a method for determining double-edge deviation correction data of a strip according to an embodiment of the present application. The specific flow shown in fig. 3 will be described in detail below.
Exemplarily, the coating may represent two boundary lines disposed on the strip; it may also mean a piece of a distinguishing material coated with a certain width that is disposed on the strip. The coating shown in fig. 4 is a differentiated material coated with a certain width.
As shown in fig. 4, fig. 4 shows a schematic view of the conveyor and strip assembly. The strip 520 shown in fig. 4 is placed on a conveyor 510. In this embodiment, the strip 520 has a coating 521 disposed thereon.
Pb1 shown in fig. 4 denotes the first front face boundary, and Pb2 denotes the second front face boundary.
Optionally, any one of the detection devices in the first group of detection devices may include a collecting element and a processing chip. The acquisition element is used for acquiring image data of the conveying device, the strip and the coating. The processing chip is used for carrying out edge detection on the image data so as to determine the coated front side boundary of the front side of the strip.
Alternatively, any one of the first set of inspection devices may be an acquisition device for acquiring image data of the conveyor, the strip, and the coating.
Illustratively, any one of the detection devices of the first set of detection devices described above may be a Charge-coupled Device (CCD) for acquiring image data of the conveyor, the web, and the coating.
Optionally, the control device or controller in the double-sided tape deviation rectifying system is configured to obtain image data collected by each of the first set of detection devices, and perform edge detection on the image data to determine a coated front side boundary of the front side of the tape.
For example, the processing chip or control device or controller of the detection apparatus may store an edge detection algorithm in a memory thereof, and the processing chip or control device or controller of the detection apparatus may call the edge detection algorithm to perform edge detection of the coating of the strip material. Alternatively, the edge detection algorithm may be a Sobel algorithm, a Laplacian algorithm, a Canny algorithm, or the like.
In step 403, a first frontal distance between the first frontal boundary and a first frontal reference line on the conveyor corresponding to the detection device for detecting the first frontal boundary is calculated.
Exemplarily, Pa1 denotes the first frontal reference line in the schematic diagram shown in fig. 4. H1 denotes the first frontal distance. Wherein the first frontal distance represents a distance between the first frontal boundary and the first frontal reference line.
For example, the first front reference line on the front side of the strip material may be a line parallel to the edge of the conveyor and passing through a designated position point. The designated location point represents a location point where one of the first set of detection devices projects onto the conveyor.
For example, each of the detecting devices in the first group of detecting devices may be moved by a moving mechanism along a direction parallel to the edge of the conveying device, and the first front reference line may be a line on which the moving track of one of the detecting devices is projected on the conveying device.
Exemplarily, Pa2 denotes the second frontal reference line in the schematic diagram shown in fig. 4. H2 denotes the second frontal distance. Wherein the second frontal distance represents a distance between the second frontal boundary and the second frontal reference line.
Exemplarily, Pa2 denotes the second frontal reference line in the schematic diagram shown in fig. 4. H2 denotes the second frontal distance. Wherein the second frontal distance represents a distance between the second frontal boundary and the second frontal reference line.
Alternatively, the second reference line may be determined in the same manner as the first reference line. For example, the second face reference line on the face of the strip material may be a line parallel to the edge of the conveyor and passing through a designated location point. The designated location point represents a location point on the conveyor projected by another detection device of the first set of detection devices.
Alternatively, the first frontal distance and the second frontal distance may be directed distances. For example, if the area between the first frontal boundary and the second frontal boundary is overlaid on the first frontal reference line, it may indicate that the first frontal distance of the first frontal boundary from the first frontal reference line is a negative distance. If the area between the first frontal boundary and the second frontal boundary does not overlie the first frontal reference line, it may indicate that the first frontal distance of the first frontal boundary from the first frontal reference line is a forward distance. For example, if the area between the first frontal boundary and the second frontal boundary is overlaid on the second frontal reference line, it may indicate that the second frontal distance of the second frontal boundary from the second frontal reference line is a negative distance. If the area between the first frontal boundary and the second frontal boundary does not overlie the second frontal reference line, it may indicate that the second frontal distance between the second frontal boundary and the second frontal reference line is the forward distance.
In this embodiment, the precondition that the deviation correction data needs to be calculated may be determined specifically according to the actual requirement.
Optionally, when neither the first front distance nor the second front distance is within the first set value range, the deviation correction data may be obtained by calculation according to the first front distance, the second front distance, the first end value or the second end value of the first set value range, and the position of the belt material may be adjusted according to the deviation correction data.
Optionally, when the first frontal distance is not within the first set value interval, the deviation correcting data may be calculated according to the first frontal distance, the second frontal distance, the first endpoint value or the second endpoint value of the first set value interval, and the position of the strip may be adjusted according to the deviation correcting data.
Optionally, when the second front distance is not within the first set value interval, the deviation correcting data may be calculated according to the first front distance, the second front distance, the first end value or the second end value of the first set value interval, and the position of the strip may be adjusted according to the deviation correcting data.
Optionally, the deviation correcting data may include a moving value and a moving direction.
For example, it may be determined that the first displacement value interval and the first displacement direction of the strip material are to be displaced such that the distance of the first frontal boundary from the first frontal reference line is within the first predetermined value interval. And determining a second movement numerical interval and a second movement direction of the strip material, wherein the distance between the second front boundary and the second front datum line can be within the first set numerical interval. And if the first moving direction is the same as the second moving direction and the intersection exists between the first moving numerical value interval and the second moving numerical value interval, taking a numerical value in the intersection of the first moving direction and the first moving numerical value interval as the deviation correcting data.
Optionally, the deviation correcting data may include a movement value. For example, the movement value may be determined according to a first front-side distance of the coating of the front side of the strip, a first end value or a second end value of the second front-side distance from the first set value interval.
The steps can determine relatively safe deviation correcting data by identifying the two coated edges of the strip even if the edge of the strip is not flat. The inventor of the present application further studies a double-sided coated strip, and the embodiments of the present application also provide a double-sided detection method, and specifically, as shown in fig. 5, the method in the embodiments may further include the following steps.
As shown in fig. 6, fig. 6 shows a schematic view of another conveyor and strip assembly. In which the left image in the schematic diagram shown in fig. 6 represents a schematic diagram of the front side of the conveyor and the strip, and the right image in the schematic diagram represents a schematic diagram of the back side of the conveyor and the strip.
The schematic provided in fig. 6 in this embodiment may represent a schematic view showing the reverse side of the strip translated to the same side along the direction of movement of the conveyor. The coated third obverse side boundary of the reverse side of the tape in the illustration is collinear with the coated first obverse side boundary of the obverse side of the tape. The coated fourth obverse side boundary of the reverse side of the tape in the illustration is collinear with the coated second obverse side boundary of the obverse side of the tape. In the example shown in fig. 6, the coating of the front side of the strip and the coating of the back side of the strip overlap. In other examples, the coating of the front side of the tape and the coating of the back side of the tape may also not overlap. In other examples, the coating width of the front side of the strip and the coating width of the back side of the strip may also be different. In other examples, one boundary of the coating of the front side of the strip and the coating of the back side of the strip may overlap, and the other boundary may not overlap.
As shown in fig. 6, Pb3 in the drawing indicates a first reverse boundary, and Pb4 indicates a second reverse boundary.
In this embodiment, the execution order of step 401 and step 402 is not limited to the order shown in the figure, and for example, step 402 may be executed before step 401.
As shown in fig. 6, Pa3 in the drawing indicates a first back reference line. H1.1 denotes the first reverse side distance. Wherein the first reverse side distance represents a distance between the first reverse side boundary and the first reverse side reference line.
In this embodiment, the execution order of step 403 and step 404 is not limited to the order shown in the figure, for example, step 404 may be executed before step 403.
As shown in fig. 6, Pa4 in the drawing indicates a second back reference line. H2.1 denotes the second reverse side distance. Wherein the second back side distance represents a distance between the second back side boundary and the second back side reference line.
Alternatively, the first and second back reference lines of the back side of the strip may be determined in the same manner as the first and second face reference lines.
Alternatively, the first reverse side distance and the second reverse side distance may be directed distances. For example, if the area between the first reverse side boundary and the second reverse side boundary is overlaid on the first reverse side reference line, it may indicate that the first reverse side distance of the first reverse side boundary from the first reverse side reference line is a negative direction distance. If the area between the first reverse side boundary and the second reverse side boundary does not cover the first reverse side reference line, it may indicate that the first reverse side distance between the first reverse side boundary and the first reverse side reference line is a forward direction distance. For example, if the area between the first reverse side boundary and the second reverse side boundary is covered on the second reverse side reference line, it may indicate that the second reverse side distance of the second reverse side boundary from the second reverse side reference line is a negative direction distance. If the area between the first reverse side boundary and the second reverse side boundary does not cover the second reverse side reference line, it may indicate that the second reverse side distance between the second reverse side boundary and the second reverse side reference line is the forward direction distance.
In this embodiment, the execution sequence of step 405 and step 406 is not limited to the sequence shown in the figure, for example, step 406 may be executed before step 405.
Step 407 may be implemented as: step 407', comprises: and when the first front distance or/and the second front distance is not within a first set numerical range and the first back distance or/and the second back distance is not within the first set numerical range, calculating to obtain deviation correcting data according to the first front distance, the second front distance, the first back distance, the second back distance, and a first endpoint value or a second endpoint value of the first set numerical range.
For example, if the front side of the strip is coated on the back side of the strip in an overlapping manner, the first front side reference line overlaps the first back side reference line, and the second front side reference line overlaps the second back side reference line, the deviation correction data in step 407' may be determined in the same manner as the deviation correction data in step 407.
In one embodiment, as shown in FIG. 7, step 407' may include the following steps.
Referring again to fig. 6, the first difference can be expressed as: H1-H2.
Referring again to fig. 6, the second difference can be expressed as: H1.1-H2.1.
Alternatively, the upper end point value of the second numerical interval may represent the allowable misalignment error of the strip. For example, if the allowable misalignment error of the strip is represented by the letter X, the above-mentioned second set value interval may be represented as [ -X, X ]. The value of X is not limited in this embodiment, and may be set according to an actual usage scenario. The upper end point value of the second numerical interval is not greater than the maximum dislocation quantity of the strip.
Optionally, the second difference may also be expressed as: i H1.1-H2.1I. In this case, the second predetermined value interval may be expressed as a non-negative interval, for example, [0, X ].
Optionally, step 4073 may include: calculating a first deviation rectifying interval according to the first front distance, the first back distance, the first end point value and the second end point value; calculating a second deviation rectifying interval according to a second front distance, the second back distance, the first end point value and the second end point value; and determining the first deviation rectifying data according to the first deviation rectifying interval and the second deviation rectifying interval.
For example, the first deviation rectifying interval may be represented as: [ (H1.1-Hmax), (H1-Hmin) ].
For example, the second deviation rectifying interval may be represented as: [ (H2-Hmax), (H2.1-Hmin) ].
Optionally, the range of the deviation rectifying data may be an intersection of the first deviation rectifying interval and the second deviation rectifying interval. The value range of the deviation correction data is represented as: [ (H1.1-Hmax), (H1-Hmin) ] -andd [ (H2-Hma), (H2.1-Hmin) ].
For example, the first deviation rectifying data may be a value in an intersection of the first deviation rectifying interval and the second deviation rectifying interval.
Illustratively, as shown in FIG. 8, step 4074 may include the following steps.
As shown in fig. 6, D1 in the diagram represents the first boundary distance. The first boundary distance represents a distance between the first face boundary and the second face boundary.
Step 4074b, a second boundary distance between the first reverse boundary and the second reverse boundary is calculated.
As shown in fig. 6, D2 in the diagram represents the second boundary distance. The second boundary distance represents a distance between the first reverse boundary and the second reverse boundary.
In this case, the deviation correction data may be an average value of the first front distance, the second front distance, the first back distance, and the second back distance.
Illustratively, using the various values represented in the example shown in FIG. 6, the second deskew data may be represented as: (H1+ H2+ H1.1+ H2.1)/4.
Alternatively, referring again to fig. 8, step 4074 may include: step 4074e, when the first boundary distance is not equal to the second boundary distance, and the first front boundary overlaps the first back boundary or the second front boundary overlaps the second back boundary, calculating the second deviation rectification data according to the first front distance, the second front distance, the first endpoint value, and the second endpoint value.
As shown in fig. 9, the first boundary distance and the second boundary distance have different values, i.e., D1 ≠ D2, where the second boundary distance D2 is greater than the first boundary distance D1. However, the first front boundary Pb1 in the illustration is collinear with the first back boundary Pb3 in the illustration. Since the front and back side schematic views of the strip material in the illustration are translated schematic views, the co-linearity of the first front side boundary Pb1 in the illustration and the first back side boundary Pb3 in the illustration may correspond to the first front side boundary overlapping the first back side boundary in the actual case.
Illustratively, using the various values represented in the example shown in FIG. 9, the second deskew data can be represented as: (H1+ H2-Hmin-Hmax)/2.
Alternatively, referring again to fig. 8, step 4074 may include: step 4074f, when the first boundary distance and the second boundary distance are not equal, and the first front boundary and the first back boundary are not overlapped and the second front boundary and the second back boundary are not overlapped, calculating the second deviation rectification data according to the first front distance, the second front distance, the first back distance and the second back distance.
As shown in fig. 10, the first boundary distance and the second boundary distance have different values, i.e., D1 ≠ D2, where the second boundary distance D2 is greater than the first boundary distance D1. The first front boundary Pb1 in the illustration is not collinear with the first back boundary Pb3 in the illustration, and the second front boundary Pb2 in the illustration is not collinear with the second back boundary Pb4 in the illustration.
For example, an average value of the first front distance, the second front distance, the first back distance, and the second back distance may be used as the second deviation correction data. At this time, the second deviation correction data may be expressed as: (H1+ H2+ H1.1+ H2.1)/4.
In other optional embodiments, when the first difference or the second difference is not within the second set value interval, the deviation correcting data may also be calculated by using the second calculation rule. At this time, the calculation method of the deviation rectification data may refer to the description in step 4073, and will not be described herein again.
In this embodiment, after the deviation correcting data is determined through the above steps, the position of the strip may be adjusted through the deviation correcting device.
The method in this embodiment may further include: and 408, adjusting the position of the moving strip according to the deviation correcting data through a deviation correcting device.
Alternatively, the deviation correction device may be any mechanical device capable of effecting movement of the strip. The deviation correcting device moves so as to move the strip to a required position.
According to the method for determining the deviation correcting data of the two sides of the strip, whether the deviation occurs in the possible useful area of the strip moving along with the conveying device is determined by detecting the two coated boundaries, if the deviation occurs, the available deviation correcting data can be determined according to the distance between the two coated boundaries and the set reference line, and compared with the prior art that the deviation is directly detected on the edge of the strip, the method can enable the coating of the strip to be in a reliable range, so that the problem that the area (the coating area) needing to be maintained is damaged after the strip is penetrated due to the incompleteness of the edge of the strip and when the strip with the coating is cut or bound is solved.
In addition, an embodiment of the present application further provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the steps of the method for determining double-edge deviation correction data of a strip described in the above method embodiments are executed.
The computer program product of the method for determining bilateral deviation rectification data of a strip provided in the embodiment of the present application includes a computer-readable storage medium storing a program code, where instructions included in the program code may be used to execute the steps of the method for determining bilateral deviation rectification data of a strip described in the above method embodiment, which may be specifically referred to in the above method embodiment and will not be described herein again.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method can be implemented in other ways. The apparatus embodiments described above are merely illustrative, and for example, the flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods and computer program products according to various embodiments of the present application. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
In addition, functional modules in the embodiments of the present application may be integrated together to form an independent part, or each module may exist separately, or two or more modules may be integrated to form an independent part.
The functions, if implemented in the form of software functional modules and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application or portions thereof that substantially contribute to the prior art may be embodied in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes. It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (12)
1. A method for determining bilateral deviation correction data of a strip is characterized by comprising the following steps:
detecting, by a first set of detection devices, a coating of a front side of a strip moving with a conveyor for edge detection, determining a first front side boundary and a second front side boundary of the coated conveyor in a direction of movement;
calculating a first frontal distance between the first frontal boundary and a first frontal reference line on the conveyor corresponding to a detection device for detecting the first frontal boundary;
calculating a second frontal distance between the second frontal boundary and a second frontal reference line on the conveyor corresponding to the detection device for detecting the second frontal boundary;
and when the first frontal distance or/and the second frontal distance is not within a first set numerical range, calculating to obtain deviation correcting data according to the first frontal distance, the second frontal distance, and a first endpoint value or a second endpoint value of the first set numerical range.
2. The method of claim 1, further comprising:
detecting the coating of the reverse side of the strip moving along with the conveying device through a second group of detection devices to carry out edge detection, and determining a first reverse side boundary and a second reverse side boundary of the moving direction of the conveying device for coating;
calculating a first back side distance between the first back side boundary and a first back side reference line, which corresponds to the first back side boundary on the conveying device, of a detection device for detecting the first back side boundary;
calculating a second back side distance between the second back side boundary and a second back side reference line, which corresponds to the second back side reference line on the conveying device, of the detection device for detecting the second back side boundary;
when the first frontal distance or/and the second frontal distance is not within a first set value interval, calculating deviation correcting data according to the first frontal distance, the second frontal distance, and a first endpoint value or a second endpoint value of the first set value interval, including:
and when the first front distance or/and the second front distance is not within a first set numerical range and the first back distance or/and the second back distance is not within the first set numerical range, calculating to obtain deviation correcting data according to the first front distance, the second front distance, the first back distance, the second back distance, and a first endpoint value or a second endpoint value of the first set numerical range.
3. The method according to claim 2, wherein the step of calculating the deviation correction data according to the first frontal distance, the second frontal distance, the first reverse distance, the second reverse distance, the first endpoint value or the second endpoint value of the first set value interval when the first frontal distance or/and the second frontal distance is not within a first set value interval and the first reverse distance or/and the second reverse distance is not within the first set value interval comprises:
calculating a first difference between the first frontal distance and the second frontal distance;
calculating a second difference between the first back side distance and the second back side distance;
when the first difference value and the second difference value are both within a second set numerical value interval, calculating by using a first calculation rule to obtain first deviation correcting data;
and when the first difference or the second difference is not in a second set numerical value interval, calculating by using a second calculation rule to obtain second deviation correcting data.
4. The method of claim 3, wherein the step of calculating the first deviation correction data using the first calculation rule when the first difference and the second difference are both within the second predetermined range of values comprises:
when the first difference and the second difference are both within a second set numerical value interval, calculating a first deviation rectifying interval according to a first front distance, a first back distance, a first end value and a second end value;
calculating a second deviation rectifying interval according to a second front distance, the second back distance, the first end point value and the second end point value;
and determining the first deviation rectifying data according to the first deviation rectifying interval and the second deviation rectifying interval.
5. The method of claim 3, wherein the step of calculating a second deviation data using a second calculation rule when the first difference or the second difference is not within a second predetermined range of values comprises:
when the first difference or the second difference is not within a second set value interval, calculating a first boundary distance between the first front boundary and the second front boundary;
calculating a second boundary distance of the first reverse boundary and the second reverse boundary;
judging whether the first boundary distance and the second boundary distance are equal;
and when the first boundary distance is equal to the second boundary distance, calculating according to the first front distance, the second front distance, the first back distance and the second back distance to obtain second deviation correcting data.
6. The method of claim 3, wherein the step of calculating a second deviation data using a second calculation rule when the first difference or the second difference is not within a second predetermined range of values comprises:
when the first difference or the second difference is not within a second set value interval, calculating a first boundary distance between the first front boundary and the second front boundary;
calculating a second boundary distance of the first reverse boundary and the second reverse boundary;
judging whether the first boundary distance and the second boundary distance are equal;
when the first boundary distance is not equal to the second boundary distance, and the first front boundary overlaps the first back boundary or the second front boundary overlaps the second back boundary, calculating the second deviation correcting data according to the first front distance, the second front distance, the first endpoint value and the second endpoint value.
7. The method of claim 3, wherein the step of calculating a second deviation data using a second calculation rule when the first difference or the second difference is not within a second predetermined range of values comprises:
when the first difference or the second difference is not within a second set value interval, calculating a first boundary distance between the first front boundary and the second front boundary;
calculating a second boundary distance of the first reverse boundary and the second reverse boundary;
judging whether the first boundary distance and the second boundary distance are equal;
and when the first boundary distance and the second boundary distance are not equal, and the first front boundary and the first back boundary are not overlapped and the second front boundary and the second back boundary are not overlapped, calculating the second deviation correcting data according to the first front distance, the second front distance, the first back distance and the second back distance.
8. The method according to any one of claims 1-7, further comprising:
and adjusting the position of the moving strip according to the deviation correcting data through a deviation correcting device.
9. A double-sided tape deviation rectifying system, comprising:
the first group of detection devices are arranged on one side of a conveying device and are used for detecting a plurality of groups of coated edge data on the strip to be detected on the conveying device;
the controller is used for determining deviation correcting data required by the movement of the strip to be detected according to the edge data;
and the deviation correcting device is used for adjusting the position of the strip to be detected according to the deviation correcting data.
10. A double-sided tape deviation rectification system as claimed in claim 9 further comprising:
and the second group of detection devices are arranged on the other side of the conveying device and are used for detecting the coating multiple groups of edge data on the other side of the strip to be detected on the conveying device.
11. A control apparatus, characterized by comprising: a processor, a memory storing machine-readable instructions executable by the processor, the machine-readable instructions when executed by the processor performing the steps of the method of any of claims 1 to 8 when the electronic device is run.
12. A computer-readable storage medium, having stored thereon a computer program which, when being executed by a processor, is adapted to carry out the steps of the method according to any one of claims 1 to 8.
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