CN112571155B - Strip deviation correction data determination method, strip deviation correction system and control equipment - Google Patents

Strip deviation correction data determination method, strip deviation correction system and control equipment Download PDF

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Publication number
CN112571155B
CN112571155B CN201910948640.8A CN201910948640A CN112571155B CN 112571155 B CN112571155 B CN 112571155B CN 201910948640 A CN201910948640 A CN 201910948640A CN 112571155 B CN112571155 B CN 112571155B
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China
Prior art keywords
strip
relative position
data
deviation
detection device
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CN201910948640.8A
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CN112571155A (en
Inventor
郤能
周元甲
杜义贤
刘泽
陆顺峰
陈钦奕
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Guangdong Lyric Robot Automation Co Ltd
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Guangdong Lyric Robot Intelligent Automation Co Ltd
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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
    • 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
    • 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
    • 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
    • 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
    • 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
    • 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

Abstract

The application provides a strip deviation rectifying data determining method, a strip deviation rectifying system and control equipment, wherein the strip deviation rectifying data determining method comprises the following steps: performing edge detection on the first surface of the strip to be detected through a first detection device to obtain a first coating edge position of coating in the first surface of the strip; calculating a first relative position of the first coating edge position and a reference line, corresponding to the first detection device, on the first surface of the strip; and when the first relative position is not in the set numerical value interval, calculating to obtain the deviation correcting data according to the first relative position.

Description

Strip deviation correction data determination method, strip deviation correction system and control equipment
Technical Field
The application relates to the technical field of mechanical control, in particular to a strip deviation correction data determining method, a strip deviation correction system and control equipment.
Background
The main function of the deviation correction control system is to correct the deviation of the strip material in the directional movement process, but in the prior art, the deviation correction of the strip material is mainly realized by detecting the position of the strip material and adjusting the position of the strip material.
Disclosure of Invention
In view of this, an object of the embodiments of the present application is to provide a method for determining deviation-correcting data of a strip, a deviation-correcting system of the strip, and a control device. The effect of more accurately adjusting the position of the strip can be achieved.
In a first aspect, an embodiment of the present application provides a method for determining deviation correction data of a strip, including:
performing edge detection on a first surface of a strip to be detected through a first detection device to obtain a first coating edge position of a coating in the first surface of the strip;
calculating a first relative position of the first coating edge position and a reference line of the first detection device corresponding to the first surface of the strip material;
and when the first relative position is not in a set numerical value interval, calculating to obtain deviation correcting data according to the first relative position.
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:
performing edge detection on a second face of the moving strip material through a second detection device to obtain a second coating edge position of the coating in the second face of the strip material;
calculating a second relative position of the second coating edge position and the reference line of the second detection device corresponding to the second surface of the strip material;
when the first relative position is not in the set numerical value interval, the step of calculating to obtain the deviation correcting data according to the first relative position comprises the following steps:
and when the first relative position or/and the second relative position is not within the set numerical value interval, calculating to obtain deviation correcting data according to the first relative position and the second relative position.
According to the method for determining the deviation-correcting data of the strip, the coating positions of two sides of the strip can be detected, so that the strip can be adjusted by combining the coating data of the two sides, the data of the two sides are considered, and the deviation-correcting data can be adjusted 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 relative position or/and the second relative position is not within the set numerical value interval, the step of calculating to obtain the deviation correcting data according to the first relative position and the second relative position comprises the following steps:
when the first relative position or/and the second relative position is not in the set numerical value interval, determining a deviation-correcting numerical value interval according to the first relative position, the second relative position and the numerical value upper limit and the numerical value lower limit of the set numerical value interval;
and determining a numerical value in the deviation rectifying numerical value interval, wherein the numerical value is the deviation rectifying data.
The method for determining the deviation rectifying data of the strip provided by the embodiment of the application can also be used for determining a deviation rectifying numerical value interval, any numerical value in the numerical value interval is used as the deviation rectifying data, and the strip adjusted by the deviation rectifying data can be in an allowable range.
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 the step of determining a value in the deviation rectification value interval as the deviation rectification data includes:
and determining the midpoint value of the deviation rectifying value interval as the deviation rectifying data.
The method for determining the deviation rectifying data of the strip provided by the embodiment of the application can also be used for determining a deviation rectifying numerical value interval, any numerical value in the numerical value interval is used as deviation rectifying data, the strip adjusted through the deviation rectifying data can be within an allowable range, and further, a midpoint numerical value is selected to be a numerical value which is possibly more reliable, so that the strip adjusted through the midpoint numerical value can have a certain safety distance with a set edge, and the position accommodation of the strip is stronger.
With reference to the first possible implementation manner of the first aspect, an embodiment of the present application provides a fourth possible implementation manner of the first aspect, where the method further includes:
and when the first relative position and the second relative position are both in the set numerical value interval and the first coating edge position and the second coating edge position are not overlapped, calculating to obtain deviation correcting data according to the first relative position and the second relative position.
According to the method for determining the deviation-correcting data of the strip material, the deviation-correcting data can be calculated by combining the first relative position and the second relative position, so that the calculated deviation-correcting data can meet the requirements of two sides of the strip material.
With reference to the fourth possible implementation manner of the first aspect, this application provides a fifth possible implementation manner of the first aspect, wherein when the first relative position and the second relative position are both within the set value interval, and the first coating edge position and the second coating edge position are not overlapped, the step of calculating deviation rectification data according to the first relative position and the second relative position includes:
when the first relative position and the second relative position are both within the set numerical value interval and the first coating edge position and the second coating edge position are not overlapped, calculating the average value of the first relative position and the second relative position to obtain a first average value;
calculating the mean value of the upper numerical limit and the lower numerical limit of the set numerical interval to obtain a second mean value;
and calculating the difference value of the first average value and the second average value, wherein the difference value is the deviation correcting data.
The method for determining the deviation rectifying data of the strip provided by the embodiment of the application can also be used for determining the deviation rectifying data by combining the first relative position, the second relative position, the numerical upper limit of the set numerical interval and the mean value multi-class data of the numerical lower limit, so that the determined deviation rectifying data can better adjust the position of the strip, the position of the strip is not deviated, and the moving requirement is met.
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 sixth possible implementation manner of the first aspect, where the method further includes:
and adjusting the position of the strip to be detected according to the deviation correcting data through a deviation correcting device.
The method for determining the deviation rectifying data of the strip provided by the embodiment of the application can also automatically adjust the position of the strip through the deviation rectifying device, so that the deviation rectifying of the strip is more automatic, and the deviation rectifying efficiency is higher.
In a second aspect, an embodiment of the present application further provides a strip deviation correcting system, which is used to perform the steps in the method in the first aspect or any one of the possible implementation manners of the first aspect, where the strip deviation correcting system includes:
the detection device is arranged on one side of the transmission device of the transmission mechanism and used for detecting the coating edge data on the strip to be detected on the transmission device;
the controller is used for determining deviation correcting data required by the strip to be detected to move according to the coating 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 detection device comprises a first detection device and a second detection device, and the first detection device and the second detection device are distributed on two sides of the transmission device;
the first detection device is used for detecting the coating edge data of the first surface of the strip to be detected;
the second detection device is used for detecting the coating edge data of the second surface of the strip to be detected.
According to the method for determining the deviation rectifying data of the strip material, the detection devices can be arranged on the two sides of the strip material, the coating position on the strip material can be conveniently detected, and therefore the efficiency for determining the deviation rectifying data of the strip material can be improved.
In a third aspect, an embodiment of the present application further provides a control 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.
According to the method for determining the deviation rectifying data of the strip, the system for determining the deviation rectifying data of the strip, the control device and the computer readable storage medium, the coated edge is detected, the distance between the coated edge and the set datum line is determined, the deviation rectifying data determined based on the distance can enable the coating of the strip to be in a reliable range, and therefore the problem that loss is caused due to the fact that the edge of the strip is incomplete, if the edge of the strip is used as a cutting datum, a holding area (the holding area can represent an ideal state and a plate area needing to be left after cutting) is possibly damaged during cutting is solved.
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 strip deviation rectifying system provided in 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 deviation correction data of a strip material according to an embodiment of the present application.
Fig. 4a is a schematic view of a conveying device and a strip material provided in an embodiment of the present application.
Fig. 4b is a schematic view of another transport device and a web according to an embodiment of the present disclosure.
Fig. 5 is a flowchart of another method for determining deviation correction data of a strip material according to an embodiment of the present disclosure.
Fig. 6 is a schematic view of another transport device and a web provided in an embodiment of the present application.
Fig. 7 is a detailed flowchart of step 406 of another method for determining deviation correction data of a strip material according to an embodiment of the present disclosure.
Fig. 8 is a detailed flowchart of step 407 of another method for determining deviation correction data of a strip material according to an embodiment of the present application.
Fig. 9 is a schematic view of another transport device and a web provided in an embodiment 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 will be given of a control device or an operating environment for executing the strip deviation correction data determination method disclosed in the embodiments of the present application.
As shown in fig. 1, an embodiment of the present application provides a deviation rectifying system for a strip. The strip deviation rectifying system in this embodiment may include: a control device 100, at least one detection means 200 (two shown) and a deviation correction means 300.
In this embodiment, the detecting device 200 may be installed at one side of the transmission device of the transmission mechanism, and is used for detecting the coating edge data on the strip to be detected on the transmission device. The edge data may include a detected position of the coating edge and a distance between the position of the coating edge determined from the coating edge and a reference line corresponding to the detection device.
Alternatively, the installation position of the detection device 200 may be directly above a position a specified distance from the edge of the transport device.
The conveying device can be a conveyor belt, a roller or the like which can realize the conveying of the object.
Alternatively, when the deviation correcting system for the strip has two or more detecting devices 200, one of the detecting devices may be installed at one side of the conveying device, and the other detecting devices 200 may be installed at the other side of the conveying device.
Alternatively, the installation position of the detection device 200 installed at one side of the transport device may be directly above a position spaced apart from the edge of the transport device by a designated distance. Alternatively, the installation position of the detection device 200 installed at the other side of the transport device may be directly below the position a designated distance from the edge of the transport device.
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.
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 the implementation process of the strip deviation correction data determination method in detail through 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 strip deviation correcting system in this embodiment may not include the control device 100, and may only include a controller installed in the deviation correcting device 300, where the controller is configured to determine, according to the acquired coating edge data, deviation correcting data of the strip to be detected, which needs to move. For example, after determining the deviation correction data, the controller may adjust the position of the strip to be detected on the transmission device according to the deviation correction data.
The strip deviation rectifying system in the embodiment may be used to execute each step in each strip deviation rectifying data determining method embodiment provided by the embodiment of the present application. The following describes the implementation process of the strip deviation correction data determination method in detail through several embodiments.
Example one
Please refer to fig. 3, which is a flowchart illustrating a method for determining deviation-correcting 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.
Step 402, performing edge detection on a first surface of a strip to be detected through a first detection device to obtain a first coating edge position of a coating in the first surface of the strip.
As shown in fig. 4a, fig. 4a shows a schematic view of the transport device and the strip. The web 520 is shown positioned on the conveyor 510. Illustratively, the tape 520 is provided with a coating 521.
The first coating edge position of coating in the illustration is P2.
Optionally, the first detecting device may include a collecting element and a processing chip. The acquisition element is used for acquiring image data of the transmission device, the strip and the coating. The processing chip is configured to perform edge detection on the image data to determine a first coated edge position of a coating in a first side of the strip.
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.
Alternatively, the first detecting device may be a collecting device for collecting image data of the conveying device, the strip and the coating.
Optionally, the control device or the controller in the strip deviation rectifying system is configured to acquire image data acquired by the first detecting device, and perform edge detection on the image data to determine a first coating edge position of the coating in the first surface of the strip.
Alternatively, the coated edge on the strip may be detected using an algorithm such as Sobel algorithm, Laplacian algorithm, Canny algorithm, or the like.
Step 404, calculating a first relative position between the first coating edge position and a reference line of the first detection device corresponding to the first surface of the strip material.
Wherein the first relative position may include a distance of the first coating edge position from the reference line on the first face and a relative direction of the first coating edge position from the reference line on the first face.
Alternatively, the first relative position may be represented by a positive or negative labeled value, wherein the distance between the first coating edge position and the reference line on the first surface may be represented by a value, and the relative direction of the first coating edge position to the reference line on the first surface may be represented by a positive or negative label. For example, if the first relative position is a positive number, it may indicate that the coating does not cover the reference line on the first surface. Taking the example shown in fig. 4a, if the first relative position is a positive number, the first coating edge position is below the reference line on the first surface. As shown in fig. 4a, if the first coating edge position is below the reference line on the first surface, the first relative position is positive, that is, H1 shown in fig. 4a is positive. As shown in fig. 4b, the coating area in the figure is overlaid on the reference line on the first surface, and the first relative position is negative.
The first detecting device corresponds to a reference line P1 on the first surface of the strip material.
The reference line on the first plane may be a line parallel to the edge of the transport device and passing through the designated position point, for example. The designated position point is a position point projected on the transmission device by the first detection device.
For example, the first detection device may be moved by a moving mechanism along a direction parallel to the edge of the transmission device, and the reference line on the first surface may be a line on the transmission device projected by the moving track of the first detection device.
For example, the reference line on the first surface may be any reference line that is not limited to the position of the first detection device and may be arbitrarily set.
As shown in fig. 4a, a first relative position of the reference line on the first face of the strip material is illustratively designated H1.
And 406, calculating to obtain deviation correcting data according to the first relative position when the first relative position is not within a set numerical value interval.
The above-mentioned setting value interval can be set according to the requirement.
In this embodiment, the relative positions of the coating and the reference line on the first surface may include two positions. First, as shown in fig. 4a, a first coating edge of the coating is located away from the reference line on the first face, a first relative position between which is indicated as H1. First, as shown in fig. 4a, a reference line covering the first surface is coated, and a first relative position of the first coating edge position and the reference line on the first surface is denoted as H1.
Alternatively, the deviation correction data may only include a value, which may indicate the distance between the adjusted first coating edge position and the reference line of the first detection device corresponding to the first surface of the strip material.
When the relative position of the coating and the reference line on the first surface is the first type, the deviation correction data can be determined in the following manner.
The deviation correction data may include a moving distance and a moving direction. For example, if the distance is greater than the upper limit of the set value range, the movement may be performed in a direction approaching the reference line on the first surface. Alternatively, the moving distance may be a value that allows the distance between the first coating edge position and the reference line on the first surface to be within a set value range. For example, when the distance is smaller than the lower limit of the value of the set value interval, the movement may be performed in a direction away from the reference line on the first surface. Alternatively, the moving distance may be a value that allows the distance between the first coating edge position and the reference line on the first surface to be within a set value range.
When the relative position of the coating and the reference line on the first surface is the second type, the deviation correction data can be determined in the following manner.
The deviation correction data may include a moving distance and a moving direction. The moving direction is a direction away from one edge of the transmission device, wherein the edge is an edge which is close to the datum line on the first surface.
The moving distance is greater than a value obtained by adding Hmin to the first relative position and is less than a value obtained by adding Hmax to the first relative position. Herein, Hmin represents a lower numerical limit of the set numerical range, and Hmax represents an upper numerical limit of the set numerical range.
The steps can determine the relatively safe deviation correcting data even if the edge of the strip is not flat. In order to study on a double-sided coated strip, the embodiment of the present application further provides a method for double-sided detection, and specifically, as shown in fig. 5, the method in the embodiment may further include the following steps.
In step 403, edge detection is performed on the second side of the moving strip material by a second detection device to obtain a second coating edge position of the coating in the second side of the strip material.
As shown in fig. 6, fig. 6 shows a schematic view of another transport device and a web. Wherein the left image in the illustration represents a schematic view of a first side of the strip material and the right image in the illustration represents a schematic view of a second side of the strip material.
The schematic provided in fig. 6 in this embodiment may represent a schematic view of a second side of a strip material translating to the same side. The second coated edge position of the coating of the second side of the tape in the illustration is co-linear with the first coated edge position of the coating of the first side of the tape. In the example shown in fig. 6, the coated edge locations of the first and second sides of the tape overlap. In other examples, the coated edge locations of the first and second sides of the tape may also not overlap.
The second coating edge position shown in fig. 6 is P2'.
Alternatively, the second coating edge position may be obtained in the same manner as the first coating edge position, or may be obtained in a different manner from the first coating edge position. For example, the second coating edge position is also obtained by edge detection.
In this embodiment, the execution order of step 402 and step 403 is not limited to the order shown in the figure, and for example, step 403 may be executed before step 402.
Step 405, calculating a second relative position of the second coating edge position and the reference line of the second detection device corresponding to the second surface of the strip material.
Exemplarily, the reference line on the second plane shown in fig. 6 is denoted as P1'. The second relative position shown in fig. 6 is denoted as H2.
In this embodiment, the execution order of step 404 and step 405 is not limited to the order shown in the figure, for example, step 405 may be executed before step 404.
Step 406 may be implemented as: step 406', when the first relative position or/and the second relative position is not within the set numerical value interval, calculating to obtain deviation correcting data according to the first relative position and the second relative position.
For example, when the second coated edge position of the coating of the second side of the strip overlaps the first coated edge position of the coating of the first side of the strip, and the first relative position is equal to the second relative position, the calculation of the deviation correction data from the first relative position and the second relative position may be equal to the calculation of the deviation correction data from the first relative position. At this time, the manner of determining the deskew data in step 406' may be the same as the manner of determining the deskew data in step 406.
In one embodiment, as shown in FIG. 7, step 406' may include the following steps.
Step 4061, when the first relative position or/and the second relative position is not within the set value interval, determining a deviation-correcting value interval according to the first relative position, the second relative position, and the upper limit and the lower limit of the set value interval.
Alternatively, the deviation-correcting numerical interval may be an intersection of a first deviation-correcting data interval required for the first face and a second deviation-correcting data interval required for the second face.
For example, the first deviation correction data interval may be a numerical interval formed by a minimum distance that the strip material needs to move and a maximum distance that the strip material needs to move. In one example, the first deskew data interval may be [ (H1-Hmax), (H1-Hmin) ].
For example, the second deviation correction data interval may be a numerical interval formed by a minimum distance that the strip material needs to move and a maximum distance that the strip material needs to move. In one example, the first deskew data interval may be [ (H2-Hmax), (H2-Hmin) ].
In one example, if H2 is greater than H1, the determined deviation correction value interval may be [ (H2-Hmax), (H1-Hmin) ].
In one example, if H2 is less than H1, the determined deviation correction value interval may be [ (H1-Hmax), (H2-Hmin) ].
Step 4062, determining a value in the deviation-correcting value interval, where the value is the deviation-correcting data.
Alternatively, any value from the above-mentioned range of deviation correction values may be used as the deviation correction data.
Optionally, a midpoint value of the deviation rectification value interval may be determined as the deviation rectification data.
In another embodiment, the calculation method of the deviation correction data may be: calculating an average value of the average values of the first relative position and the second relative position, calculating another average value of the upper numerical limit and the lower numerical limit of the set numerical interval, calculating a difference value of the two average values, and taking the difference value as deviation correcting data.
Exemplarily, it can be expressed as: (H1+ H2)/2- (Hmin + Hmax)/2.
The method in this embodiment may further include: step 407, when the first relative position and the second relative position are both within the set value interval, and the first coating edge position and the second coating edge position are not overlapped, calculating to obtain deviation correction data according to the first relative position and the second relative position.
As shown in fig. 8, step 407 may include the following steps.
4071, when the first relative position and the second relative position are both within the set value range and the first coating edge position and the second coating edge position are not overlapped, calculating an average of the first relative position and the second relative position to obtain a first average.
As shown in fig. 9, the second coating edge position shown in fig. 9 is designated as P2'. The reference line on the second plane shown in fig. 9 is denoted as P1'. The second relative position shown in fig. 9 is denoted as H2.
The first average value may be expressed as: (H1+ H2)/2.
Step 4072, calculating an average value of the upper limit and the lower limit of the set value interval to obtain a second average value.
The second average value may be expressed as: (Hmax + Hmin)/2.
Step 4073, calculating a difference between the first average value and the second average value, where the difference is the deviation correcting data.
In this embodiment, the deviation correction data may be expressed as: (H1+ H2)/2- (Hmax + Hmin)/2.
Optionally, after the deviation correcting data is determined, the position of the strip may be automatically adjusted by the deviation correcting device.
The method in this embodiment may further include: and 408, adjusting the position of the strip to be detected 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 to enable the strip to be in a required position.
According to the method for determining the deviation rectifying data of the strip material, the coated edge is detected, the distance between the coated edge and the set reference line is determined, and the deviation rectifying data determined based on the distance can enable the coating of the strip material to be in a reliable range, so that the problem that the loss is caused because the area needing to be maintained is possibly damaged after the strip material edge is used and the area needing to be maintained is damaged after the strip material edge is incomplete and the coated strip material is cut or bound is solved.
In addition, the present application may further provide 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 computer program performs the steps of the strip deviation rectification data determination method in the foregoing method embodiments.
The computer program product of the method for determining 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 deviation rectification data of a strip described in the above method embodiment, which may be referred to in the above method embodiment specifically, and are not 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 (7)

1. A method for determining deviation correction data of a strip is characterized by comprising the following steps:
performing edge detection on a first surface of a strip to be detected through a first detection device to obtain a first coating edge position of a coating in the first surface of the strip;
calculating a first relative position of the first coating edge position and a reference line of the first detection device corresponding to the first surface of the strip material;
performing edge detection on a second face of the moving strip material through a second detection device to obtain a second coating edge position of the coating in the second face of the strip material;
calculating a second relative position of the second coating edge position and the reference line of the second detection device corresponding to the second surface of the strip material;
when the first relative position or/and the second relative position is not within a set numerical value interval, calculating according to the first relative position and the second relative position to obtain deviation correcting data;
when the first relative position and the second relative position are both within the set numerical value interval and the first coating edge position and the second coating edge position are not overlapped, calculating the average value of the first relative position and the second relative position to obtain a first average value;
calculating the mean value of the upper numerical limit and the lower numerical limit of the set numerical interval to obtain a second mean value;
and calculating the difference value of the first average value and the second average value, wherein the difference value is the deviation correcting data.
2. The method according to claim 1, wherein the step of calculating the deviation correction data according to the first relative position and the second relative position when the first relative position or/and the second relative position is not within the set value range comprises:
when the first relative position or/and the second relative position is not in the set numerical value interval, determining a deviation-correcting numerical value interval according to the first relative position, the second relative position and the numerical value upper limit and the numerical value lower limit of the set numerical value interval;
and determining a numerical value in the deviation rectifying numerical value interval, wherein the numerical value is the deviation rectifying data.
3. The method of claim 2, wherein the step of determining a value in the range of deskew values as the deskew data comprises:
and determining the midpoint value of the deviation rectifying value interval as the deviation rectifying data.
4. The method according to any one of claims 1-3, further comprising:
and adjusting the position of the strip to be detected according to the deviation correcting data through a deviation correcting device.
5. A strip deviation correcting system, comprising:
the detection device is arranged on one side of the transmission device of the transmission mechanism and used for detecting the coating edge data on the strip to be detected on the transmission device;
the controller is used for determining deviation correcting data required by the strip to be detected to move according to the coating edge data;
the deviation correcting device is used for adjusting the position of the strip to be detected according to the deviation correcting data;
the detection device comprises a first detection device and a second detection device, and the first detection device and the second detection device are distributed on two sides of the transmission device;
the first detection device is used for detecting the coating edge data of the first surface of the strip to be detected;
the second detection device is used for detecting the coating edge data of the second surface of the strip to be detected;
the strip deviation rectifying system is used for each step in the strip deviation rectifying data determining method of any one of claims 1 to 4.
6. 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 4 when the electronic device is run.
7. 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 4.
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