CN100421935C - Detecting system and method for quality of textile dyeing and printing screen - Google Patents
Detecting system and method for quality of textile dyeing and printing screen Download PDFInfo
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- CN100421935C CN100421935C CNB2005100607157A CN200510060715A CN100421935C CN 100421935 C CN100421935 C CN 100421935C CN B2005100607157 A CNB2005100607157 A CN B2005100607157A CN 200510060715 A CN200510060715 A CN 200510060715A CN 100421935 C CN100421935 C CN 100421935C
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- half tone
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- detecting system
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Abstract
The present invention relates to a system for detecting the quality of screen plates of textile dyeing and printing screens. The detection system is provided with a camera, a camera control device and a computer, wherein the computer is connected with the camera, the camera control device is provided with an illumination part, a screen plate and a camera adjusting frame, and the camera is installed on the camera adjusting frame. The detection method comprises the procedures of the collection of images of screen plates, the transmission of images of screen plates, the matching and the comparison of images of screen plates and datum images, the synthesis of images of screen plates and the output of treatment results. Compared with the prior art, the present invention has the advantages of reasonable structural design, strong capability for image recognition, high efficiency and convenience.
Description
Technical field:
The present invention relates to a kind of textile printing and dyeing sieve net plate quality detecting system and detection method, mainly be applicable to silk stamp industry and relevant printing industry.
Background technology:
The main at present square screen printing process that adopts of silk stamp, its technological process comprises plate-making and half tone quality testing.Wherein mask-making technology generally adopts photoresist process plate-making, promptly utilize the photograph principle, light is penetrated and is being coated with on the half tone space of a whole page of emulsion, decorative pattern position light is hindered, through washing hollow out mesh, but not photochemical action is taken place by sensitization in flower type position photoresists, cause emulsion to generate water-fast glued membrane and stop up mesh, finish through reinforcing plate-making.Because plain net plate-making cover is inferior many, the required precision height, in the plate-making process, verification repair procedure to the half tone quality is absolutely necessary, it all is by manually-operated that net is repaiied by great majority printing and dyeing manufacturer, soon the half tone behind the develop is placed on and checks on the frame, the shelf back is row's fluorescent lamp, by the light transmission, whether scrutiny dictyosome face has sand holes, leaks flower and plug net, as sand holes occur and can repair with photosensitive liquid, as flower appears leaking and the plug net should carry out colour-separation drafting, and omit seriously with the gluing sensitization again of striping liquid striping, make printing screen use preceding no quality problems.If find sand holes in the stamp process, then repair with mending net glue, perhaps paste with adhesive tape.This manually repaiies the method for net, shortcoming is: (1) inspection method lacks validity and science, uncontrollable factor is many, difficult quality guarantee, omit easily in the checking process, and some factor is difficult to check out by human eye, such as half tone or twine distortion, cause flower type distortion dislocation, so only just can find when stamp is produced, stamp production will be forced to stop like this, again make net again and substandard products are handled, influence the quality of production and operating efficiency, increased energy consumption, material consumption and production cost, be unfavorable for environmental protection; (2) inefficiency, the length that expends time in, waste lot of manpower and material resources; (3) labor strength is big, and organic solvents such as Long contact time photosensitive liquid, strong fluorescent lamp source are unfavorable for workman's physical and mental health.
Summary of the invention:
Technical problem to be solved by this invention is to overcome above shortcomings in the prior art, and a kind of detection method that detects the flaw point on the printing screen with the textile printing and dyeing sieve net plate quality detecting system is provided.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: the method that this usefulness textile printing and dyeing sieve net plate quality detecting system detects, described textile printing and dyeing sieve net plate quality detecting system is provided with camera, video camera controller and computer, computer is connected with camera, video camera controller is provided with illumination section, half tone part and camera adjusting bracket, camera is installed on the camera adjusting bracket, it is characterized in that may further comprise the steps:
The half tone IMAQ;
The transmission of half tone image;
Half tone image and benchmark image matching ratio are;
The half tone image is synthetic;
Result output;
Described half tone image and benchmark image matching ratio adopt self-adaption thresholding method that the pattern zone is separated, then to taking the photograph to such an extent that the error point between pattern and the benchmark image is analyzed, be error point that low frequency characteristic and sand holes, leakage flower or plug net cause in conjunction with the matching error point of registration not and distribute and be high frequency characteristics, accurately locate thereby add the matching error minimum restriction.
Half tone of the present invention partly is provided with the half tone adjusting bracket.
The present invention also is provided with frame, described half tone partly is provided with half tone adjusting bracket, half tone motor and half tone guide rail, the half tone guide rail is installed on the frame, half tone adjusting bracket, illumination section are installed on the half tone guide rail, the half tone motor is connected respectively with computer, half tone adjusting bracket, and the half tone guide rail is horizontally disposed with.
Half tone guide rail of the present invention is provided with level and orthogonal longitudinal rail and cross slide way, the half tone motor is provided with vertical motor and cross motor, longitudinal rail is installed on the frame, cross slide way and longitudinal rail flexibly connect, vertically motor is installed on the longitudinal rail and with cross slide way and is connected, cross motor, half tone adjusting bracket, illumination section are installed on the cross slide way, and cross motor is connected with the half tone adjusting bracket, and vertically motor all is connected with computer with cross motor.
Camera of the present invention is provided with range sensor.
The height of camera adjusting bracket of the present invention can be transferred.
Computer of the present invention and camera are provided with USB USB2.0.
Illumination section of the present invention is provided with fluorescent tube.
The present invention compared with prior art has the following advantages and effect: reasonable in design, recognition capability is strong, and is efficient convenient.
Description of drawings:
Fig. 1 is a schematic diagram of the present invention.
Fig. 2 is the schematic diagram of embodiment of the invention video camera controller.
Fig. 3 is the schematic top plan view of embodiment of the invention video camera controller.
Fig. 4 is a control program block diagram of the present invention.
Fig. 5 is the installation diagram of embodiment of the invention automatic lifting device.
Fig. 6 is the structural representation of embodiment of the invention automatic lifting device.
The specific embodiment:
Referring to Fig. 1, Fig. 2, Fig. 3, embodiment of the invention textile printing and dyeing sieve net plate quality detecting system is provided with camera 1, video camera controller 2 and computer 3, computer 3 is connected with camera 1, video camera controller 2 is provided with illumination section, half tone part and camera adjusting bracket 4, camera 1 is installed on the camera adjusting bracket 4, on the camera adjusting bracket 4 range sensor 15 can be set, this range sensor 15 is connected with computer 3 and is used for distance between acquisition camera 1 and the tested half tone 9, illumination section is provided with fluorescent tube 7, half tone partly is provided with frame 11, half tone adjusting bracket 10, longitudinal rail 5, cross slide way 6, vertical motor and cross motor, vertically motor all is connected with computer 3 with cross motor, longitudinal rail 5 and cross slide way 6 levels and vertical mutually, longitudinal rail 5 is installed on the frame 11, cross slide way 6 flexibly connects with longitudinal rail 5, vertical motor is installed on the longitudinal rail 5 and the cross slide way 6 that promotes to link to each other with vertical screw mandrel 13 by vertical screw mandrel 13 is along the longitudinal movement, cross motor, half tone adjusting bracket 10, illumination section is installed on the cross slide way 6, and the half tone adjusting bracket 10 that cross motor promotes by cross lead screw 14 to link to each other with cross lead screw 14 is along laterally moving.
Half tone of the present invention partly also has other three kinds of simple designs:
(1). tested half tone 9 directly is fixed on the frame 11;
(2). tested half tone 9 is installed on the half tone adjusting bracket 10, and half tone adjusting bracket 10 is installed on the frame 11;
(3). half tone partly is provided with frame 11, half tone adjusting bracket 10 and a cover half tone motor and a half tone guide rail, the half tone guide rail is installed on the frame 11, half tone adjusting bracket 10 is installed on the half tone guide rail, the half tone motor is connected respectively with computer 3, half tone adjusting bracket 10, the half tone guide rail is horizontally disposed with, tested half tone 9 is installed on the half tone adjusting bracket 10, promptly has only a cover half tone motor and a half tone guide rail this moment, and tested half tone 9 can only move along a direction.
The height of camera adjusting bracket of the present invention can be transferred, and regulative mode can be divided into manually and automatic two kinds:
Manually: the support bar 11-1 of frame 11 can be designed to the steel pipe of hollow, camera adjusting bracket 4 is divided into straight bar part 4-1 and cross bar part 4-2, straight bar part 4-1 and support bar 11-1 coupling also can be put into the steel pipe of this hollow, and can adopt the position of respectively opening screwed hole and fixing the camera adjusting bracket straight bar part 4-1 in the corresponding steel pipe that is inserted in this hollow with screw on the support bar 11-1 of frame 11 this moment; Certainly also can adopt at the circular hole of the flat break-through of each boiling water on the support bar 11-1 of frame 11 and on the straight bar part 4-1 of camera adjusting bracket 4 correspondences, open the circular hole of a plurality of spaced respective horizontal break-through and fix the position of camera adjusting bracket straight bar part 4-1 with latch.
Automatically: referring to Fig. 5, Fig. 6, on four angles of the base 11-2 of frame 11 synchronous hoisting device 16 is set respectively, synchronous hoisting device 16 comprises stepper motor 17, worm gear 18, worm screw 19 and ball screw 20, stepper motor 17 is connected with computer 3, worm gear 18 and worm screw 19 engagements, worm screw 19 and ball screw 20 engagements, four ball screws 20 are connected with camera adjusting bracket 4 by connector 21, thereby can drive camera adjusting bracket 4 moves up and down, the axle of stepper motor 17 is connected with worm screw 18, thereby convert the rotation of 17 in motor to ball screw 20 perpendicular to the moving up and down of ground direction, this computer-chronograph 3 can come the distance between acquisition camera 1 and the tested half tone 9 and adjust the height of camera adjusting bracket 4 in view of the above by range sensor 15.
Referring to Fig. 4, the present invention also comprises the detection method of aforesaid textile printing and dyeing sieve net plate quality detecting system, this textile printing and dyeing sieve net plate quality detecting system is provided with camera 1, video camera controller 2 and computer 3, computer 3 is connected with camera 1, video camera controller 2 is provided with illumination section, half tone part and camera adjusting bracket 4, and camera 1 is installed on the camera adjusting bracket 4; Described detection method may further comprise the steps:
The half tone IMAQ;
The transmission of half tone image;
Half tone image and benchmark image matching ratio are;
The half tone image is synthetic;
Result output.
During actual detected, at first carry out initialization operation, tested half tone 9 is fixed on the video camera controller 2, adjust the height of camera adjusting bracket 4 and the focal length of adjusting camera 1 by manual or automated manner again, camera 1 focuses on and absorbs the image of tested half tone 9 local locations and deliver to computer 3, the image processing software of computer 3 is according to initial alignment information, feature structure in camera 1 positional information and the image that collects is accurately located pickup area, and mate with benchmark image, to find sand holes, leak quality problems such as flower and plug net, camera 1 or tested half tone 9 move to the next position then, detect up to whole tested half tone to finish.Wherein the accurately fast location of shooting area adopts self-adaption thresholding method that the pattern zone is separated with coupling, then to taking the photograph to such an extent that the error point between pattern and the benchmark image is analyzed.Because the distribution of the matching error point that produces owing to registration not between the pattern presents low frequency characteristic, and present high frequency characteristics by the error point distribution that quality problems cause, and therefore, can be in conjunction with these characteristics, adding is the minimized constraint of matching error, and the location is accurately finished.Because pattern is the bianry image that has passed through thresholding, so this work can access finishing faster.
Position sensor of the present invention also can be arranged on the camera adjusting bracket according to actual needs, fluorescent tube of the present invention can be one or more and can be arranged on other position on camera adjusting bracket, the half tone frame that video camera controller of the present invention also can cross horizontal positioned.All similar equivalent transformations all should be thought to fall into protection scope of the present invention.
Claims (8)
1. method that detects with the textile printing and dyeing sieve net plate quality detecting system, described textile printing and dyeing sieve net plate quality detecting system is provided with camera, video camera controller and computer, computer is connected with camera, video camera controller is provided with illumination section, half tone part and camera adjusting bracket, camera is installed on the camera adjusting bracket, it is characterized in that: may further comprise the steps:
The half tone IMAQ;
The transmission of half tone image;
Half tone image and benchmark image matching ratio are;
The half tone image is synthetic;
Result output;
Described half tone image and benchmark image matching ratio adopt self-adaption thresholding method that the pattern zone is separated, then to taking the photograph to such an extent that the error point between pattern and the benchmark image is analyzed, be error point that low frequency characteristic and sand holes, leakage flower or plug net cause in conjunction with the matching error point of registration not and distribute and be high frequency characteristics, accurately locate thereby add the matching error minimum restriction.
2. the method that detects with the textile printing and dyeing sieve net plate quality detecting system according to claim 1 is characterized in that: described half tone partly is provided with the half tone adjusting bracket.
3. the method that detects with the textile printing and dyeing sieve net plate quality detecting system according to claim 1, it is characterized in that: also be provided with frame, described half tone partly is provided with half tone adjusting bracket, half tone motor and half tone guide rail, the half tone guide rail is installed on the frame, half tone adjusting bracket, illumination section are installed on the half tone guide rail, the half tone motor is connected respectively with computer, half tone adjusting bracket, and the half tone guide rail is horizontally disposed with.
4. the method that detects with the textile printing and dyeing sieve net plate quality detecting system according to claim 3, it is characterized in that: described half tone guide rail is provided with level and orthogonal longitudinal rail and cross slide way, the half tone motor is provided with vertical motor and cross motor, longitudinal rail is installed on the frame, cross slide way and longitudinal rail flexibly connect, vertically motor is installed on the longitudinal rail and with cross slide way and is connected, cross motor, the half tone adjusting bracket, illumination section is installed on the cross slide way, cross motor is connected with the half tone adjusting bracket, and vertically motor all is connected with computer with cross motor.
5. the method that detects with the textile printing and dyeing sieve net plate quality detecting system according to claim 1 is characterized in that: described camera is provided with range sensor.
6. the method that detects with the textile printing and dyeing sieve net plate quality detecting system according to claim 1 is characterized in that: the height of described camera adjusting bracket can be transferred.
7. the method that detects with the textile printing and dyeing sieve net plate quality detecting system according to claim 1 is characterized in that: described computer and camera are provided with USB USB2.0.
8. according to claim 1 or the 3 or 4 described methods that detect with the textile printing and dyeing sieve net plate quality detecting system, it is characterized in that: described illumination section is provided with fluorescent tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100607157A CN100421935C (en) | 2005-09-12 | 2005-09-12 | Detecting system and method for quality of textile dyeing and printing screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100607157A CN100421935C (en) | 2005-09-12 | 2005-09-12 | Detecting system and method for quality of textile dyeing and printing screen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1749002A CN1749002A (en) | 2006-03-22 |
| CN100421935C true CN100421935C (en) | 2008-10-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CNB2005100607157A Expired - Fee Related CN100421935C (en) | 2005-09-12 | 2005-09-12 | Detecting system and method for quality of textile dyeing and printing screen |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101722713A (en) * | 2008-11-02 | 2010-06-09 | 如皋市天元服饰印业有限公司 | Method and device for quickly and accurately positioning multi-chromatic screen printing screens |
| KR101414830B1 (en) | 2011-11-30 | 2014-07-03 | 다이닛뽕스크린 세이조오 가부시키가이샤 | Alignment method, transfer method, and transfer apparatus |
| CN103879142B (en) * | 2014-02-21 | 2016-06-08 | 南通大学 | Embedded screen decorating machine printing quality automatic checkout system |
| CN104309280B (en) * | 2014-11-13 | 2016-05-04 | 苏州润阳光伏科技有限公司 | Serigraphy real time monitoring apparatus |
| CN105172402B (en) * | 2015-10-20 | 2017-11-21 | 宜昌南玻显示器件有限公司 | Method for printing screen |
| CN107284065B (en) * | 2017-07-03 | 2019-04-05 | 京东方科技集团股份有限公司 | A kind of printing process and printing equipment using printing screen plate |
| CN109738461A (en) * | 2019-01-04 | 2019-05-10 | 安徽地势坤光电科技有限公司 | A kind of halftone visible detection method applied in screen printing apparatus |
| CN109484012A (en) * | 2019-01-04 | 2019-03-19 | 安徽地势坤光电科技有限公司 | A kind of write-through screen printing system and method with vision-based detection |
| CN114454604B (en) * | 2022-02-10 | 2022-11-15 | 广州新晔机械设备有限公司 | Screen printing machine with automatic positioning system for movable screen plate |
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| JPS6362731A (en) * | 1986-09-03 | 1988-03-19 | Sanyo Electric Co Ltd | Screen printing machine |
| JPH05269978A (en) * | 1992-02-07 | 1993-10-19 | Bobst Sa | Detection apparatus for error of register allocated to rotary press |
| EP0642012A1 (en) * | 1993-09-06 | 1995-03-08 | VIPTRONIC SrL | Device and method for densitometric and/or colourmetric measurements |
| JP2001129962A (en) * | 1999-11-05 | 2001-05-15 | Matsushita Electric Ind Co Ltd | Method and apparatus for screen printing |
| CN1401210A (en) * | 2000-02-23 | 2003-03-05 | 凯斯技术有限公司 | Method of printing and printing machine |
| CN1430555A (en) * | 2000-04-18 | 2003-07-16 | 工作室股份有限公司 | Method and apparatus for printing on flat substrate |
| CN2644161Y (en) * | 2003-08-22 | 2004-09-29 | 宋宝富 | Printing quality monitoring system |
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2005
- 2005-09-12 CN CNB2005100607157A patent/CN100421935C/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6362731A (en) * | 1986-09-03 | 1988-03-19 | Sanyo Electric Co Ltd | Screen printing machine |
| JPH05269978A (en) * | 1992-02-07 | 1993-10-19 | Bobst Sa | Detection apparatus for error of register allocated to rotary press |
| EP0642012A1 (en) * | 1993-09-06 | 1995-03-08 | VIPTRONIC SrL | Device and method for densitometric and/or colourmetric measurements |
| JP2001129962A (en) * | 1999-11-05 | 2001-05-15 | Matsushita Electric Ind Co Ltd | Method and apparatus for screen printing |
| CN1401210A (en) * | 2000-02-23 | 2003-03-05 | 凯斯技术有限公司 | Method of printing and printing machine |
| CN1430555A (en) * | 2000-04-18 | 2003-07-16 | 工作室股份有限公司 | Method and apparatus for printing on flat substrate |
| CN2644161Y (en) * | 2003-08-22 | 2004-09-29 | 宋宝富 | Printing quality monitoring system |
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| CN1749002A (en) | 2006-03-22 |
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Granted publication date: 20081001 Termination date: 20100912 |