CN108556500B - Intelligent regulation and control method for screen printing - Google Patents

Intelligent regulation and control method for screen printing Download PDF

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Publication number
CN108556500B
CN108556500B CN201810155046.9A CN201810155046A CN108556500B CN 108556500 B CN108556500 B CN 108556500B CN 201810155046 A CN201810155046 A CN 201810155046A CN 108556500 B CN108556500 B CN 108556500B
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printing
ink
result
screen printing
pattern
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CN108556500A (en
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唐千军
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Xinlun precision manufacturing (Anhui) Co.,Ltd.
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Ningguo Thousand Hong Electronics Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M1/00—Inking and printing with a printer's forme
    • B41M1/12—Stencil printing; Silk-screen printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F33/00—Indicating, counting, warning, control or safety devices
    • B41F33/16—Programming systems for automatic control of sequence of operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2200/00—Printing processes
    • B41P2200/40—Screen printing

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  • Inking, Control Or Cleaning Of Printing Machines (AREA)

Abstract

The invention discloses an intelligent regulation and control method for screen printing, which comprises the following steps: detecting image information of patterns on a printing object after a scraper moves for n times at a constant speed from a first end to a second end of a screen printing plate; analyzing the uniformity of the printing ink at different positions of the pattern on the printing stock based on the image information, and outputting an analysis result; when the result of uneven printing ink is output, the scraper is adjusted to move from the first end to the second end of the screen printing plate at a constant speed again, the uniformity of the printing ink at different positions of the pattern on the printing stock is analyzed by collecting the image information of the pattern on the printing stock, and the analysis result is output; and stopping the printing action when outputting the uniform ink result. When the printing effect is poor, the scraper plate is continuously moved to drive the ink to diffuse and print, the uniformity of the ink at different positions of the printed pattern is continuously detected, when the ink is not uniform, the scraper plate is continuously moved to improve the printing effect, and the printing action is stopped until the detection result shows that the ink is uniform, so that the printing effect and the printing efficiency are comprehensively improved.

Description

Intelligent regulation and control method for screen printing
Technical Field
The invention relates to the field of screen printing regulation and control, in particular to an intelligent regulation and control method for screen printing.
Background
The silk screen printing refers to that a silk screen is used as a plate base, and a silk screen printing plate with pictures and texts is manufactured by a photosensitive plate making method. The screen printing is composed of five major elements, namely a screen printing plate, a scraper, ink, a printing table and a printing stock. The basic principle that the meshes of the image-text part and the non-image-text part of the screen printing plate are permeable to ink and impermeable to ink is utilized to print. When printing, ink is poured into one end of the screen printing plate, a scraper plate is used for applying a certain pressure to the ink position on the screen printing plate, meanwhile, the scraper plate moves towards the other end of the screen printing plate at a constant speed, and the ink is extruded onto a printing stock from meshes of the image-text part by the scraper plate in the moving process.
The printing mode possibly causes the condition that the printing ink at different positions of the pattern on the printing stock is uneven, so that the printing effect is reduced, and the appearance is influenced.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides an intelligent regulation and control method for screen printing.
The invention provides an intelligent regulation and control method for screen printing, which comprises the following steps:
s1, detecting the image information of the pattern on the printed object after the scraper moves for n times from the first end to the second end of the screen printing plate at a constant speed, wherein n is more than or equal to 1;
s2, analyzing the uniformity of the ink at different positions of the pattern on the printing stock based on the image information, and outputting an analysis result;
s3, when the uneven ink result is output, the scraper is adjusted to move from the first end to the second end of the screen printing plate at a constant speed again, the uniformity of the ink at different positions of the pattern on the printing stock is analyzed by collecting the image information of the pattern on the printing stock, and the analysis result is output;
s4, when the ink uniformity result is output, the printing operation is stopped, and when the ink uniformity result is output, the flow proceeds to S3.
Preferably, the first end of the screen plate is disposed opposite to the second end.
Preferably, step S2 specifically includes:
acquiring image information of a pattern on a printing object after a scraper moves at a constant speed for n times from a first end to a second end of a screen printing plate;
dividing the image information into m regions, respectively collecting RGB values of colors of the m regions, and recording as (R)1,G1,B1)、(R2,G2,B2)、(R3,G3,B3)……(Rm,Gm,Bm)；
Obtaining RGB value (R) of j area colorj,Gj,Bj) And compares it with a predetermined RGB value (R)0,G0,B0) By comparison, when aR0≤Rj≤bR0、cG0≤Gj≤dG0、eB0≤Bj≤fB0Then, the jth area is listed into an area set;
counting the number of the areas in the area set, outputting an ink uniformity result when the number of the areas is larger than a preset value, and otherwise, outputting an ink non-uniformity result;
wherein a, b, c, d, e and f are preset values, 0< a <1, b >1, 0< c <1, d >1, 0< e <1, f >1, m is a preset value, and j is more than or equal to 1 and less than or equal to m.
Preferably, step S3 specifically includes:
when the uneven printing ink result is output, the scraper is adjusted to move at a constant speed from the first end to the second end of the screen printing plate again;
collecting image information of a pattern on a printing stock, dividing the image information into x areas, and acquiring RGB values of colors of the y area and the z area, and recording as (R)y,Gy,By)、(Rz,Gz,Bz)；
When Ry-Rz|≤R00、|Gy-Gz|≤G00、|By-Bz|≤B00If so, outputting a uniform ink result, otherwise, outputting a non-uniform ink result;
wherein y is more than or equal to 1 and less than or equal to x, z is more than or equal to 1 and less than or equal to x, R00、G00、B00Are all preset values.
The invention provides an intelligent regulation and control method for screen printing, which comprises the steps of firstly detecting the uniformity of ink at different positions of a printing pattern on a printing stock after a scraper moves for n times so as to analyze the printing effect, when the printing effect is poor, continuously moving the scraper to drive the ink to diffuse and print and dyeing, continuously detecting the uniformity of the ink at different positions of the printing pattern, when the ink is not uniform, continuously moving the scraper to improve the printing effect, and stopping the printing action until the detection result shows that the ink is uniform, thereby comprehensively improving the printing effect and efficiency. When the printing effect is analyzed, the overall effect of the printed image is regulated and controlled by analyzing RGB values of colors in different areas of the printed image, so that the analysis precision and the regulation and control precision are effectively improved; further, the printing precision is detected by two RGB value analysis methods, the first method is to comprehensively analyze the relation between the RGB value of each area and the preset RGB value to analyze the printing effect, and the second method is to select the RGB values of two areas in the plurality of areas to compare with each other to obtain the printing effect, so that the printing effect is comprehensively and accurately detected and adjusted, and the screen printing quality is improved.
Drawings
Fig. 1 is a schematic step diagram of an intelligent control method for screen printing.
Detailed Description
Referring to fig. 1, the intelligent regulation and control method for screen printing provided by the invention comprises the following steps:
s1, detecting the image information of the pattern on the printed object after the scraper moves for n times from the first end to the second end of the screen printing plate at a constant speed, wherein n is more than or equal to 1; the first end and the second end of the screen printing plate are arranged oppositely, so that the scraper can drive ink to be diffused and printed and dyed comprehensively, and the comprehensiveness and effectiveness of printed patterns on printing materials are guaranteed.
S2, analyzing the uniformity of the ink at different positions of the pattern on the printing stock based on the image information, and outputting an analysis result;
in this embodiment, step S2 specifically includes:
acquiring image information of a pattern on a printing object after a scraper moves at a constant speed for n times from a first end to a second end of a screen printing plate;
dividing the image information into m regions, respectively collecting RGB values of colors of the m regions, and recording as (R)1,G1,B1)、(R2,G2,B2)、(R3,G3,B3)……(Rm,Gm,Bm)；
Obtaining RGB value (R) of j area colorj,Gj,Bj) And compares it with a predetermined RGB value (R)0,G0,B0) By comparison, when aR0≤Rj≤bR0、cG0≤Gj≤dG0、eB0≤Bj≤fB0When the process is carried out, the R value, the G value and the B value of the jth area color are within the controllable error range, namely the printing effect of the jth area is close to the preset effect, and the jth area is subjected to the processThe j regions are listed into a region set for subsequent analysis;
counting the number of the areas in the area set, and when the number of the areas is larger than a preset value, indicating that the printing effect of most of the m areas is better, outputting an ink uniform result at the moment, or outputting an ink non-uniform result;
wherein a, b, c, d, e and f are preset values, 0< a <1, b >1, 0< c <1, d >1, 0< e <1, f >1, m is a preset value, and j is more than or equal to 1 and less than or equal to m.
S3, when the uneven ink result is output, the scraper is adjusted to move from the first end to the second end of the screen printing plate at a constant speed again, the uniformity of the ink at different positions of the pattern on the printing stock is analyzed by collecting the image information of the pattern on the printing stock, and the analysis result is output;
in this embodiment, step S3 specifically includes:
when the uneven printing ink result is output, the scraper is adjusted to move at a constant speed from the first end to the second end of the screen printing plate again;
collecting image information of a pattern on a printing stock, dividing the image information into x areas, and acquiring RGB values of colors of the y area and the z area, and recording as (R)y,Gy,By)、(Rz,Gz,Bz)；
When Ry-Rz|≤R00、|Gy-Gz|≤G00、|By-Bz|≤B00If so, the difference between the colors of the y area and the z area is small, namely the colors of the two areas are relatively close, namely the effect of printing the pattern is good, the uniform ink result is output, otherwise, the non-uniform ink result is output;
wherein y is more than or equal to 1 and less than or equal to x, z is more than or equal to 1 and less than or equal to x, R00、G00、B00Are all preset values.
S4, when outputting the ink uniformity result, stopping the printing action, when outputting the ink uniformity result, entering S3; the printing action is stopped when the better effect of the printing pattern is analyzed, the printing is finished, and the printing effect is improved by continuously driving the ink to diffuse by using the scraper when the printing pattern is analyzed to be improved, so that the effectiveness and the precision of the screen printing are ensured.
According to the intelligent regulation and control method for the screen printing, firstly, after the scraper moves for n times, the uniformity of ink at different positions of a printing pattern on a printing stock is detected so as to analyze the printing effect, when the printing effect is poor, the scraper continues to move to drive the ink to diffuse and print, the uniformity of the ink at different positions of the printing pattern continues to be detected, when the ink is not uniform, the scraper continues to move to improve the printing effect, and the printing action is stopped until the detection result shows that the ink is uniform, so that the printing effect and the printing efficiency are comprehensively improved. In the embodiment, when the printing effect is analyzed, the overall effect of the printed image is regulated and controlled by analyzing the RGB values of the colors of different areas of the printed image, so that the analysis precision and the regulation and control precision are effectively improved; further, the printing precision is detected by two RGB value analysis methods, the first method is to comprehensively analyze the relation between the RGB value of each area and the preset RGB value to analyze the printing effect, and the second method is to select the RGB values of two areas in the plurality of areas to compare with each other to obtain the printing effect, so that the printing effect is comprehensively and accurately detected and adjusted, and the screen printing quality is improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (3)

1. An intelligent regulation and control method for screen printing is characterized by comprising the following steps:
s1, detecting the image information of the pattern on the printed object after the scraper moves for n times from the first end to the second end of the screen printing plate at a constant speed, wherein n is more than or equal to 1;
s2, analyzing the uniformity of the ink at different positions of the pattern on the printing stock based on the image information, and outputting an analysis result;
s3, when the uneven ink result is output, the scraper is adjusted to move from the first end to the second end of the screen printing plate at a constant speed again, the uniformity of the ink at different positions of the pattern on the printing stock is analyzed by collecting the image information of the pattern on the printing stock, and the analysis result is output;
s4, when outputting the ink uniformity result, stopping the printing action, when outputting the ink uniformity result, entering S3;
step S2 specifically includes:
acquiring image information of a pattern on a printing object after a scraper moves at a constant speed for n times from a first end to a second end of a screen printing plate;
dividing the image information into m regions, respectively collecting RGB values of colors of the m regions, and recording as (R)1,G1,B1)、(R2,G2,B2)、(R3,G3,B3)……(Rm,Gm,Bm)；
Obtaining RGB value (R) of j area colorj,Gj,Bj) And compares it with a predetermined RGB value (R)0,G0,B0) By comparison, when aR0≤Rj≤bR0、cG0≤Gj≤dG0、eB0≤Bj≤fB0Then, the jth area is listed into an area set;
counting the number of the areas in the area set, outputting an ink uniformity result when the number of the areas is larger than a preset value, and otherwise, outputting an ink non-uniformity result;
wherein a, b, c, d, e and f are preset values, 0< a <1, b >1, 0< c <1, d >1, 0< e <1, f >1, m is a preset value, and j is more than or equal to 1 and less than or equal to m.
2. The intelligent regulation and control method of screen printing according to claim 1, wherein the first end and the second end of the screen printing plate are arranged opposite to each other.
3. The intelligent regulation and control method for screen printing according to claim 1, wherein the step S3 specifically comprises:
when the uneven printing ink result is output, the scraper is adjusted to move at a constant speed from the first end to the second end of the screen printing plate again;
collecting image information of a pattern on a printing stock, dividing the image information into x areas, and acquiring RGB values of colors of the y area and the z area, and recording as (R)y,Gy,By)、(Rz,Gz,Bz)；
When Ry-Rz|≤R00、|Gy-Gz|≤G00、|By-Bz|≤B00If so, outputting a uniform ink result, otherwise, outputting a non-uniform ink result;
wherein y is more than or equal to 1 and less than or equal to x, z is more than or equal to 1 and less than or equal to x, R00、G00、B00Are all preset values.
CN201810155046.9A 2018-02-23 2018-02-23 Intelligent regulation and control method for screen printing Active CN108556500B (en)

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Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997043123A1 (en) * 1996-05-15 1997-11-20 Matsushita Electric Industrial Co., Ltd. Method for controlling screen printing machine
DE19940879A1 (en) * 1999-08-27 2001-03-08 Innomess Elektronik Gmbh Device and procedure for comparison of a digitized print image with a reference image for automatic quality control so that if error values exceed a threshold value an alarm is generated to inform print machine operators
JP2005186284A (en) * 2003-12-24 2005-07-14 Matsushita Electric Ind Co Ltd Screen printing method
DE102006014657B4 (en) * 2006-03-28 2008-11-20 Koenig & Bauer Aktiengesellschaft Method for color control of a printing press
CN103009786A (en) * 2011-09-23 2013-04-03 潘美珍 Printing device and method of three-dimensional ornamentation silk screen
CN103373097A (en) * 2012-04-27 2013-10-30 北京印刷学院 Method for improving thickness uniformity of large-area silk-screen printing ink layer
CN102756550A (en) * 2012-06-29 2012-10-31 安徽安泰新型包装材料有限公司 On-line color controlling device and method for photogravure press
CN103879142B (en) * 2014-02-21 2016-06-08 南通大学 Embedded screen decorating machine printing quality automatic checkout system
DE102017207306A1 (en) * 2016-05-20 2017-11-23 Heidelberger Druckmaschinen Ag Method of monitoring a staining standard in a printing press
CN206154873U (en) * 2016-11-14 2017-05-10 李旭光 A full -automatic printing inspection machine of moulding
CN106541693B (en) * 2017-01-06 2020-06-19 福建屹立智能化科技有限公司 3D vibration material disk machine
CN106945391A (en) * 2017-04-01 2017-07-14 合肥美凯电子有限公司 A kind of silk-screen printing device

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Address after: 242300 Ningguo Qianhong Electronics Co., Ltd., Zhongyi Electronic Information Industrial Park, Zhenning Road, heli Park, Ningguo Economic and Technological Development Zone, Xuancheng City, Anhui Province

Patentee after: Anhui Xinlun Precision Manufacturing Technology Co.,Ltd.

Address before: 242300 Ningguo Qianhong Electronics Co., Ltd., Zhongyi Electronic Information Industrial Park, Zhenning Road, heli Park, Ningguo Economic and Technological Development Zone, Xuancheng City, Anhui Province

Patentee before: NINGGUO QIANHONG ELECTRONIC Co.,Ltd.

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Address after: 242300 Ningguo Qianhong Electronics Co., Ltd., Zhongyi Electronic Information Industrial Park, Zhenning Road, heli Park, Ningguo Economic and Technological Development Zone, Xuancheng City, Anhui Province

Patentee after: Xinlun precision manufacturing (Anhui) Co.,Ltd.

Address before: 242300 Ningguo Qianhong Electronics Co., Ltd., Zhongyi Electronic Information Industrial Park, Zhenning Road, heli Park, Ningguo Economic and Technological Development Zone, Xuancheng City, Anhui Province

Patentee before: Anhui Xinlun Precision Manufacturing Technology Co.,Ltd.