CN112623835B - Deviation rectification detection method for double-vertical-line marking material with broken points - Google Patents
Deviation rectification detection method for double-vertical-line marking material with broken points Download PDFInfo
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- CN112623835B CN112623835B CN202110021252.2A CN202110021252A CN112623835B CN 112623835 B CN112623835 B CN 112623835B CN 202110021252 A CN202110021252 A CN 202110021252A CN 112623835 B CN112623835 B CN 112623835B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/02—Registering, tensioning, smoothing or guiding webs transversely
- B65H23/032—Controlling transverse register of web
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/02—Registering, tensioning, smoothing or guiding webs transversely
- B65H23/0204—Sensing transverse register of web
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/19—Specific article or web
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Abstract
The invention relates to a deviation-correcting detection method for a double-vertical-line material with a broken-point marking line, and belongs to the technical field of cutting. The deviation rectifying detection method comprises the following steps: the method comprises the steps of obtaining feeding information of longitudinal movement of a material, stopping the longitudinal movement of the material in a mode that one color mark sensor detects a breakpoint of one vertical line, obtaining position information of the other vertical line by using transverse displacement of the other color mark sensor, and calculating deviation-correcting information of the material according to the feeding information and the displacement information. The invention can also detect the material offset information under the condition of meeting the detection breakpoint, thereby compressing the processing procedure, improving the efficiency, saving the cost pressure of using a visual system and meeting the use requirement.
Description
Technical Field
The invention relates to a detection method, in particular to a deviation-correcting detection method for a double-vertical-line broken-point marking material, and belongs to the technical field of cutting.
Background
In the fields of current spray painting, photo, wallpaper, paper industry, materials and sample books, a spray painting machine or a photo machine is used for spray painting required pictures on coiled materials. In the field of coil-to-sheet. The redundant parts of the coiled materials need to be cut after the coiled materials are subjected to spray painting. Large rolls of material require cutting rectangles or squares of various sizes. For the sake of production efficiency, it is often to spray a specific mark line on the edge of the picture, and then to use an XY cutter to perform rectification and cutting for each size.
The marking recognition in the technical field of cutting is carried out by using an industrial control computer and a CCD camera for deviation correction detection, and has the defects of high cost, low reaction speed and low cutting efficiency.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides the deviation-rectifying detection method for the marking material with the double vertical lines and the broken points, which has the advantages of reasonable and reliable deviation-rectifying detection, convenient operation, high-speed marking line identification, low cost and meeting the requirement on precision.
The technical scheme adopted by the invention for solving the problems is as follows: the deviation rectification detection method of the double-vertical-line broken-point marking material is characterized by comprising the following steps of: the method comprises the following specific steps:
s1: the red light lateral displacement identifies double vertical lines and stops the red light on the left side at the middle point of the vertical lines, and the red light on the right side stops at the right side of the right edge of the right vertical line, so as to obtain the edge stopping position information;
s2, the material longitudinally displaces, and after the left red light detects the breakpoint, the material stops displacing to obtain longitudinal displacement information;
and S3, the red light on the right side is transversely displaced, after the edge of the vertical line is detected, the edge position information is obtained, the material deviation correction information is obtained by utilizing the right-angle triangle tan formula, and the result is output.
Preferably, in step S1 of the present invention: the red light is emitted by the color mark sensor and can acquire the position information of the red light,
preferably, in step S1 of the present invention: the color mark sensor is used for detecting a double-vertical-line breakpoint of the material, and the range of the transverse deviation-rectifying detection is determined along with the thickness of the vertical line.
Preferably, the color mark sensor of the invention acquires the position information by linking the motor with the dual color mark sensor bracket.
Preferably, the motor of the invention adopts a stepping or servo motor.
Preferably, in step S2 of the present invention: the longitudinal displacement of the material is achieved by means of a feeding device.
Preferably, the color mark sensor of the invention detects the lateral deviation information of the right vertical line; the lateral shift color mark sensor detects and calculates the deviation between the current right vertical line position and the right vertical line position before material feeding to obtain lateral shift information.
Preferably, in step S3 of the present invention: the calculation process is as follows:
a1 The method comprises the following steps S1, edge staying position information is obtained;
a2 The method comprises the following steps S3, edge position information is obtained;
a: the transverse deviation rectifying position of the material;
b: s2, longitudinal displacement information is obtained;
a: the transverse deviation-rectifying angle of the material;
a = a1-a2；
tanA = a/b；
A = arctan（tanA）。
compared with the prior art, the invention has the following advantages and effects: the problem of cost of visual system control of an industrial personal computer and a CCD camera is replaced, the problem that visual identification cannot adapt to high-speed production is solved, and the same deviation rectification precision and faster production efficiency can be achieved only by using two color code sensors and a single chip microcomputer or a PLC controller.
Drawings
FIG. 1 is a schematic diagram of a deviation rectifying calculation process according to an embodiment of the present invention. .
FIG. 2 is a schematic diagram of inkjet drawings and reticles according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of the position of the red light of two color patch sensors in the reticle according to the embodiment of the invention.
In the figure: left red light Z1, right red light Z2.
Detailed Description
The present invention will be described in further detail below by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not to be construed as limiting the present invention.
Examples are given.
Referring to fig. 1 to 3, the deviation rectification detection method for the double vertical line with broken point marking material of the embodiment is characterized in that: the method comprises the following specific steps:
s1, identifying double vertical lines by red light transverse displacement, stopping the left red light Z1 at the middle point of the vertical lines, and stopping the right red light Z2 at the right side of the edges of the vertical lines to obtain edge stopping position information. The red light is emitted by the color mark sensor, can be transversely displaced and can acquire position information of the color mark sensor, and the structure of the red light is represented by a step or servo motor linkage double-color mark sensor bracket, so that the step 101 is realized by the structure and the principle of acquiring the position information is realized.
The left red light Z1 and the right red light Z2 are as shown in FIG. 3, and the right red light Z2 stays near the edge of the marked line instead of the edge, so that the problem of color scale detection failure caused by the fuzzy edge of the marked line due to the spray drawing precision is avoided.
S2, the material longitudinally moves, and after the left red light Z1 detects the breakpoint, the material stops moving to obtain longitudinal displacement information, wherein the longitudinal movement of the material is realized by a certain feeding device, and the material is as shown in figure 2.
And S3, transversely displacing the red light Z2 on the right side, acquiring edge position information after detecting the edge of the vertical line, calculating by using a right-angle triangle tan formula to obtain material deviation correction information, and outputting a result. Wherein, the calculation process is as follows;
a1 The method comprises the following steps S1, edge stopping position information is obtained;
a2 The method comprises the following steps S3, edge position information is obtained;
a: the transverse deviation rectifying position of the material;
b: s2, longitudinal displacement information is obtained;
a: the transverse deviation-rectifying angle of the material;
a = a1-a2；
tanA = a/b；
A = arctan（tanA）。
this embodiment uses the double-colored mark sensor as the detection of rectifying a deviation, and a color code discerns the breakpoint, and a color code discerns the vertical line deviation to calculate the deviation position of cutting the picture.
In the embodiment, the color code identifies the deviation of the vertical line, and the deviation correcting positions in the X direction and the Y direction of the material are calculated by comparing the deviation of the position of the vertical line identified at the previous time, so that the position error of the identification marking line caused by the blurring of the marking line is avoided.
The embodiment acquires the material feeding amount information, acquires the marking line offset information to calculate the offset information of the material after stopping feeding according to the breakpoint, and outputs the deviation correction information of the material;
in the embodiment, two color code sensors are used as deviation rectifying detection sensors; one color mark sensor is used for detecting a double-vertical-line breakpoint of the material; the red light of the color mark sensor stays at the central point of the vertical line, and the range of the transverse deviation rectification detection is determined along with the thickness of the vertical line;
the other color code sensor of the embodiment detects the transverse deviation information of the right vertical line; detecting and calculating the deviation between the current right vertical line position and the right vertical line position before material feeding by a transverse moving color code sensor to obtain transverse deviation information;
the red light of the transverse moving color mark sensor of the embodiment stays in the vertical bar marked line, and the non-edge parking is realized.
And will be apparent to those skilled in the art from the foregoing description.
In addition, it should be noted that the specific embodiments described in the present specification may be different in the components, the shapes of the components, the names of the components, and the like, and the above described contents are merely illustrative of the structures of the present invention. Equivalent or simple changes in the structure, characteristics and principles of the invention are included in the protection scope of the patent. Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (1)
1. A deviation-rectifying detection method for a double-vertical-line marking material with a broken point is characterized by comprising the following steps: the method comprises the following specific steps:
s1: the red light lateral displacement identifies double vertical lines, the red light on the left side stays at the middle point of the left vertical line, the red light on the right side stays on the right side of the right edge of the right vertical line, and the edge staying position information is obtained;
s2: the material is longitudinally displaced, and after the left red light detects a breakpoint, the material stops displacing to obtain longitudinal displacement information;
s3: the red light on the right side is transversely displaced, after the edge of the right vertical line is detected, the edge position information is obtained, the material deviation rectifying information is obtained by utilizing a right-angle triangle tan formula, and the result is output;
in the step S1: the red light is emitted by the color mark sensor and can acquire the position information of the red light;
in step S1: the color mark sensor is used for detecting a breakpoint of one double vertical line of the material, and the range of transverse deviation rectification detection is determined along with the thickness of the vertical line;
the color code sensor acquires position information by linking the double color code sensor bracket through the motor;
the motor adopts a stepping or servo motor;
in step S2: the longitudinal displacement of the material is realized by a feeding device;
the color code sensor detects the transverse deviation information of the right vertical line; detecting and calculating the deviation between the current right vertical line position and the right vertical line position before material feeding by a transverse moving color code sensor to obtain transverse deviation information;
in step S3: the calculation process is as follows:
a1 The method comprises the following steps S1, edge staying position information is obtained;
a2 The method comprises the following steps S3, edge position information is obtained;
a: the transverse deviation rectifying position of the material;
b: s2, longitudinal displacement information is obtained;
a: the transverse deviation-rectifying angle of the material;
a = a1-a2；
tanA = a/b ；
A = arctan（tanA）。
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