CN110065309A - A kind of more spray head adjusting methods for chromatography - Google Patents
A kind of more spray head adjusting methods for chromatography Download PDFInfo
- Publication number
- CN110065309A CN110065309A CN201910316390.6A CN201910316390A CN110065309A CN 110065309 A CN110065309 A CN 110065309A CN 201910316390 A CN201910316390 A CN 201910316390A CN 110065309 A CN110065309 A CN 110065309A
- Authority
- CN
- China
- Prior art keywords
- calibration
- test chart
- spray head
- line segment
- fine tuning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/21—Ink jet for multi-colour printing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
- B41J29/38—Drives, motors, controls or automatic cut-off devices for the entire printing mechanism
Abstract
The invention belongs to digital printing arts, and in particular to a kind of more spray head adjusting methods for chromatography.A kind of more spray head adjusting methods for chromatography, comprising the following steps: (1) coarse tuning stage: printing calibration and test chart calculate the actual range of adjacent spray head by calibration and test chart, and are inputted sprayed printed system and carry out preliminary parameter calibration；2, the fine tuning stage: printing fine tuning test chart inputs sprayed printed system by calculated deviation and carries out further parameters revision.A kind of more spray head adjusting methods for chromatography disclosed by the invention have the advantages that 1, high degree of automation: being not necessarily to manual adjustment, by split effect and parameter before and after the direct spray head of equipment, reduce artificial；2, it quickly adjusts, reduces the time of tune machine and preparation.
Description
Technical field
The invention belongs to digital printing arts, and in particular to a kind of more spray head adjusting methods for chromatography.
Background technique
Chromatography requires assorted domain text printing overlying registration when referring to polychrome printing, that is, will be obtained after master copy color-dividing
The monochromatic printing plate of different cable angles is successively overlapped fitting according to printing plate color-sequential, and final printing obtains and original copy level, tone phase
Same printing.But on existing digital printing line, the distance between adjacent spray head is determined by human eye, is not only needed
A large amount of manual adjustment is wanted, is taken a substantial amount of time, and is highly dependent on the experience of worker, is unfavorable for standardized production.
Summary of the invention
Goal of the invention: the present invention has made improvements in view of the above-mentioned problems of the prior art, i.e., the invention discloses one kind
More spray head adjusting methods for chromatography.The present invention is by spray printing in the resolution chart on stock, by NI Vision Builder for Automated Inspection,
Resolution chart is determined, detects relative distance, and this distance is converted into actual range input sprayed printed system by pixel
It is quickly adjusted and is determined.
A kind of technical solution: more spray head adjusting methods for chromatography, comprising the following steps:
(1) coarse tuning stage
Printing calibration and test chart calculate the actual range of adjacent spray head by calibration and test chart, and are inputted
Sprayed printed system carries out preliminary parameter calibration, step (1) the following steps are included:
(11), spray printing calibration and test chart；
(12), the image of the calibration of acquisition step (11) spray printing and test chart；
(13), step (12) institute acquired image is analyzed:
(131) the corresponding relationship Fy between physical distance/pixel is determined
Physics spacing is constant between calibration and adjacent two calibration line of test chart, is set as Yd, passes through template
With algorithm, the pel spacing Yp between calibration and adjacent two calibration line of test chart is measured, then: Fy=Yd/Yp；
(132) by template matching algorithm, calculate the calibration line of spray head N prolong paper feed to pixel coordinate position Yn,
With the pixel coordinate position Yn ' of the corresponding calibration line of adjacent spray head N+f；
(133) pixel value difference is calculated: Δ Y=Yn-Yn '
(134) actual physics distance difference DELTA Yd, i.e. Δ Yd=Δ Y*Fy are converted by pixel value difference Δ Y；
(14), the corresponding relationship of the pixel value difference Δ Y for obtaining step (134) and actual physics distance difference DELTA Yd exports
To sprayed printed system, coarse adjustment calibration is carried out；
2, the fine tuning stage
Fine tuning test chart is printed, sprayed printed system is inputted by calculated deviation and carries out further parameters revision, wherein
Step (2) the following steps are included:
(21), spray printing fine tuning test chart；
(22), the image for the fine tuning test chart that acquisition step (21) obtains；
(23), the image of the collected fine tuning test chart of step (22) is analyzed:
(231) test image is navigated to by template matching algorithm, is 21 by uniline line segment L-10~L10 therein cutting
Part；
(232) by the way that spacing is analyzed between the two lines section continuity and line segment of 21 parts of images in (231), which determines
Capable line segment registration is best, in which:
The line segment of each spray head is divided into two parts, and a part of line segment is calibration line segment, positioned at leaning on for fine tuning test chart
Left side, another part line segment are split line segments, are longitudinally followed successively by -10~10 pixels with the pixel deviations of calibration line segment；
(233) the best line segment line number Ln of registration is obtained, and is translated into corresponding pixel deviations n, wherein -10≤
n≤10；
(244) pixel deviations n is returned into sprayed printed system, judges whether n is equal to 0, if being not equal to 0, sprayed printed system is carried out
Then fine tuning calibration is transferred to step (21)；If being equal to 0, that is, complete more spray heads adjusting for chromatography.
The utility model has the advantages that a kind of more spray head adjusting methods for chromatography disclosed by the invention have the advantages that
1, high degree of automation: being not necessarily to manual adjustment, by split effect and parameter before and after the direct spray head of equipment, reduces people
Work；
2, it quickly adjusts, reduces the time of tune machine and preparation.
Detailed description of the invention
Fig. 1 is a kind of flow chart of more spray head adjusting methods for chromatography disclosed by the invention；
Fig. 2 is the schematic diagram of calibration and test chart；
Fig. 3 is the schematic diagram of fine tuning test chart, wherein the vertical line on right side indicates spray head lengthwise position marking line.
Specific embodiment:
Detailed description of specific embodiments of the present invention below.
As shown in Figure 1, a kind of more spray head adjusting methods for chromatography, comprising the following steps:
(1) coarse tuning stage
Printing calibration and test chart calculate the actual range of adjacent spray head by calibration and test chart, and are inputted
Sprayed printed system carries out preliminary parameter calibration, step (1) the following steps are included:
(11), spray printing calibration and test chart (as shown in Figure 2)；
(12), the image of the calibration of acquisition step (11) spray printing and test chart；
(13), step (12) institute acquired image is analyzed:
(131) the corresponding relationship Fy between physical distance/pixel is determined
Physics spacing is constant between calibration and adjacent two calibration line of test chart, is set as Yd, passes through template
With algorithm, the pel spacing Yp between calibration and adjacent two calibration line of test chart is measured, then: Fy=Yd/Yp；
(132) by template matching algorithm, calculate the calibration line of spray head N prolong paper feed to pixel coordinate position Yn,
With the pixel coordinate position Yn ' of the corresponding calibration line of adjacent spray head N+f；
(133) pixel value difference is calculated: Δ Y=Yn-Yn '
(134) actual physics distance difference DELTA Yd, i.e. Δ Yd=Δ Y*Fy are converted by pixel value difference Δ Y；
(14), the corresponding relationship of the pixel value difference Δ Y for obtaining step (134) and actual physics distance difference DELTA Yd exports
To sprayed printed system, coarse adjustment calibration is carried out；
2, the fine tuning stage
Fine tuning test chart is printed, sprayed printed system is inputted by calculated deviation and carries out further parameters revision, wherein
Step (2) the following steps are included:
(21), spray printing fine tuning test chart (as shown in Figure 3)；
(22), the image for the fine tuning test chart that acquisition step (21) obtains；
(23), the image of the collected fine tuning test chart of step (22) is analyzed:
(231) test image is navigated to by template matching algorithm, is 21 by uniline line segment L-10~L10 therein cutting
Part；
(232) by the way that spacing is analyzed between the two lines section continuity and line segment of 21 parts of images in (231), which determines
Capable line segment registration is best, in which:
The line segment of each spray head is divided into two parts, and a part of line segment is calibration line segment, positioned at leaning on for fine tuning test chart
Left side, another part line segment are split line segments, are longitudinally followed successively by -10~10 pixels with the pixel deviations of calibration line segment；
(233) the best line segment line number Ln of registration is obtained, and is translated into corresponding pixel deviations n, wherein -10≤
n≤10；
(244) pixel deviations n is returned into sprayed printed system, judges whether n is equal to 0, if being not equal to 0, sprayed printed system is carried out
Then fine tuning calibration is transferred to step (21)；If being equal to 0, that is, complete more spray heads adjusting for chromatography.
Embodiments of the present invention are elaborated above.But present invention is not limited to the embodiments described above,
Technical field those of ordinary skill within the scope of knowledge, can also do without departing from the purpose of the present invention
Various change out.
Claims (1)
1. a kind of more spray head adjusting methods for chromatography, which comprises the following steps:
(1) coarse tuning stage
Printing calibration and test chart calculate the actual range of adjacent spray head by calibration and test chart, and are inputted spray printing
System carries out preliminary parameter calibration, step (1) the following steps are included:
(11), spray printing calibration and test chart；
(12), the image of the calibration of acquisition step (11) spray printing and test chart；
(13), step (12) institute acquired image is analyzed:
(131) the corresponding relationship Fy between physical distance/pixel is determined
Physics spacing is constant between calibration and adjacent two calibration line of test chart, is set as Yd, is calculated by template matching
Method measures the pel spacing Yp between calibration and adjacent two calibration line of test chart, then: Fy=Yd/Yp；
(132) by template matching algorithm, calculate the calibration line of spray head N prolong paper feed to pixel coordinate position Yn, with phase
The pixel coordinate position Yn ' of the correspondence calibration line of adjacent spray head N+f；
(133) pixel value difference is calculated: Δ Y=Yn-Yn '
(134) actual physics distance difference DELTA Yd, i.e. Δ Yd=Δ Y*Fy are converted by pixel value difference Δ Y；
(14), the corresponding relationship of pixel value difference Δ Y and actual physics distance difference DELTA Yd that step (134) obtains are output to spray
Print system carries out coarse adjustment calibration；
2, the fine tuning stage
Fine tuning test chart is printed, sprayed printed system is inputted by calculated deviation and carries out further parameters revision, wherein step
(2) the following steps are included:
(21), spray printing fine tuning test chart；
(22), the image for the fine tuning test chart that acquisition step (21) obtains；
(23), the image of the collected fine tuning test chart of step (22) is analyzed:
(231) test image is navigated to by template matching algorithm, is 21 parts by uniline line segment L-10~L10 therein cutting；
(232) by the way that spacing is analyzed between the two lines section continuity and line segment of 21 parts of images in (231), which determines
Line segment registration is best, in which:
The line segment of each spray head is divided into two parts, and a part of line segment is calibration line segment, leans on left side positioned at fine tuning test chart,
Another part line segment is split line segment, is longitudinally followed successively by -10~10 pixels with the pixel deviations of calibration line segment；
(233) the best line segment line number Ln of registration is obtained, and is translated into corresponding pixel deviations n, wherein -10≤n≤
10；
(244) pixel deviations n is returned into sprayed printed system, judges whether n is equal to 0, if being not equal to 0, sprayed printed system carries out fine tuning
Then calibration is transferred to step (21)；If being equal to 0, that is, complete more spray heads adjusting for chromatography.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910316390.6A CN110065309B (en) | 2019-04-19 | 2019-04-19 | Multi-nozzle adjusting method for overprinting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910316390.6A CN110065309B (en) | 2019-04-19 | 2019-04-19 | Multi-nozzle adjusting method for overprinting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110065309A true CN110065309A (en) | 2019-07-30 |
| CN110065309B CN110065309B (en) | 2020-07-14 |
Family
ID=67367964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910316390.6A Active CN110065309B (en) | 2019-04-19 | 2019-04-19 | Multi-nozzle adjusting method for overprinting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110065309B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112248644A (en) * | 2020-09-28 | 2021-01-22 | 深圳圣德京粤科技有限公司 | Transverse stitching method and device for spray head, printing equipment and storage medium |
| CN112248645A (en) * | 2020-09-28 | 2021-01-22 | 深圳圣德京粤科技有限公司 | Longitudinal stitching method and device for nozzle, printing equipment and storage medium |
| CN113500856A (en) * | 2021-05-13 | 2021-10-15 | 深圳圣德京粤科技有限公司 | Ink-jet printing register device, register method and plate changing method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101003202A (en) * | 2007-01-19 | 2007-07-25 | 长春市吉海测控技术有限责任公司 | Method of using camera to carry out controlling automatic alignment for printing machine |
| CN102275382A (en) * | 2011-06-01 | 2011-12-14 | 西安理工大学 | Method for automatically detecting registering deviations of color printed matters |
| EP2660057A2 (en) * | 2012-05-02 | 2013-11-06 | Advanced Vision Technology (AVT) Ltd. | Method and system for registering printing stations of a printing press |
| CN104647893A (en) * | 2015-02-09 | 2015-05-27 | 西安科赛图像科技有限责任公司 | Overprinting error detection method based on cross line |
| CN106739485A (en) * | 2016-12-13 | 2017-05-31 | 北京印刷学院 | A kind of printing machine longitudinal direction alignment on-line checking and method for diagnosing faults and device |
| CN109070581A (en) * | 2016-05-19 | 2018-12-21 | 卡巴-诺塔赛斯有限公司 | The polychrome printing formed in measurement and correction printing material is printed onto printing registration |
| CN109353118A (en) * | 2018-11-30 | 2019-02-19 | 长春市吉海测控技术有限责任公司 | It is a kind of for detecting the multi-functional sets of color patches of printing registration deviation |
| CN109562618A (en) * | 2016-08-12 | 2019-04-02 | 太洋电机产业株式会社 | Registration error detection device, registration error detection method and printed matter |
-
2019
- 2019-04-19 CN CN201910316390.6A patent/CN110065309B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101003202A (en) * | 2007-01-19 | 2007-07-25 | 长春市吉海测控技术有限责任公司 | Method of using camera to carry out controlling automatic alignment for printing machine |
| CN102275382A (en) * | 2011-06-01 | 2011-12-14 | 西安理工大学 | Method for automatically detecting registering deviations of color printed matters |
| EP2660057A2 (en) * | 2012-05-02 | 2013-11-06 | Advanced Vision Technology (AVT) Ltd. | Method and system for registering printing stations of a printing press |
| CN104647893A (en) * | 2015-02-09 | 2015-05-27 | 西安科赛图像科技有限责任公司 | Overprinting error detection method based on cross line |
| CN109070581A (en) * | 2016-05-19 | 2018-12-21 | 卡巴-诺塔赛斯有限公司 | The polychrome printing formed in measurement and correction printing material is printed onto printing registration |
| CN109562618A (en) * | 2016-08-12 | 2019-04-02 | 太洋电机产业株式会社 | Registration error detection device, registration error detection method and printed matter |
| CN106739485A (en) * | 2016-12-13 | 2017-05-31 | 北京印刷学院 | A kind of printing machine longitudinal direction alignment on-line checking and method for diagnosing faults and device |
| CN109353118A (en) * | 2018-11-30 | 2019-02-19 | 长春市吉海测控技术有限责任公司 | It is a kind of for detecting the multi-functional sets of color patches of printing registration deviation |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112248644A (en) * | 2020-09-28 | 2021-01-22 | 深圳圣德京粤科技有限公司 | Transverse stitching method and device for spray head, printing equipment and storage medium |
| CN112248645A (en) * | 2020-09-28 | 2021-01-22 | 深圳圣德京粤科技有限公司 | Longitudinal stitching method and device for nozzle, printing equipment and storage medium |
| CN112248644B (en) * | 2020-09-28 | 2021-10-22 | 深圳圣德京粤科技有限公司 | Transverse stitching method and device for spray head, printing equipment and storage medium |
| CN112248645B (en) * | 2020-09-28 | 2022-02-18 | 深圳圣德京粤科技有限公司 | Longitudinal stitching method and device for nozzle, printing equipment and storage medium |
| CN113500856A (en) * | 2021-05-13 | 2021-10-15 | 深圳圣德京粤科技有限公司 | Ink-jet printing register device, register method and plate changing method |
| CN113500856B (en) * | 2021-05-13 | 2022-05-06 | 深圳圣德京粤科技有限公司 | Ink-jet printing plate changing method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110065309B (en) | 2020-07-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110065309A (en) | A kind of more spray head adjusting methods for chromatography | |
| CN105345267B (en) | Omnidirectional laser marker and code printing method | |
| CN102275382B (en) | Method for automatically detecting registering deviations of color printed matters | |
| CN102222226B (en) | Priori analysis based iterative method for segmenting characters of licence plate | |
| CN104029510B (en) | Ink jet printing concentration correction process, correcting device and ink jet printing method, equipment | |
| CN107608393B (en) | Positioning and cutting system and method based on machine vision technology | |
| DE19924077A1 (en) | Digital image aligning method involves computing variation vector on correspondence candidate intersection point from starting point of coordinate system of plotted flat surface | |
| DE602005003282T2 (en) | Apparatus and method for controlling a printed color tone image | |
| CN107796773A (en) | A kind of control method of intaglio printing spot color half tone image quality | |
| CN101510255A (en) | Method for identifying and positioning human face, apparatus and video processing chip | |
| WO2009121522A1 (en) | Method and arrangement for the automatic verification of the visually perceived color impression of multi-color images | |
| CN110667148A (en) | Film thickness control system | |
| ZA202308186B (en) | Stereophotogrammetric method based on binocular vision | |
| CN107650508B (en) | A kind of machine vision method of offset printing process control | |
| CN109277568A (en) | A kind of method of real-time of precinct laser fusion, device and system | |
| EP3423280B1 (en) | Method for inspecting a printing form, in particular of a gravure cylinder | |
| CN105468311A (en) | Visualized high-efficiency digital printing colour correction management method | |
| US7339705B2 (en) | Apparatus for and method of making measurement on printed sheet | |
| CN112633393B (en) | Automatic classification method and device for ceramic tile textures | |
| CN105091741A (en) | Chromatography precision detecting method and device | |
| EP2660056A2 (en) | Method and system for setting the contact pressure of the cylinders of a printing press without requiring special targets | |
| CN108230285A (en) | Baffle ring quality determining method based on machine vision | |
| CN111421955B (en) | Color compensation in offset printing | |
| CN114199127A (en) | Automobile part size detection system and method based on machine vision | |
| EP0060312B1 (en) | Method of partially smoothing a retouch during the electronic reproduction of colour images |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |