CN110065309A - A kind of more spray head adjusting methods for chromatography - Google Patents

A kind of more spray head adjusting methods for chromatography Download PDF

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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
Application number
CN201910316390.6A
Other languages
Chinese (zh)
Inventor
秦昌慧
王刚
Original Assignee
深圳圣德京粤科技有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 深圳圣德京粤科技有限公司 filed Critical 深圳圣德京粤科技有限公司
Priority to CN201910316390.6A priority Critical patent/CN110065309A/en
Publication of CN110065309A publication Critical patent/CN110065309A/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, e.g. INK-JET PRINTERS, THERMAL PRINTERS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005Typewriters 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
    • B41J2/01Ink jet
    • B41J2/21Ink jet for multi-colour printing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, e.g. INK-JET PRINTERS, THERMAL PRINTERS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J29/00Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
    • B41J29/38Drives, 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

A kind of more spray head adjusting methods for chromatography

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.
CN201910316390.6A 2019-04-19 2019-04-19 A kind of more spray head adjusting methods for chromatography CN110065309A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910316390.6A CN110065309A (en) 2019-04-19 2019-04-19 A kind of more spray head adjusting methods for chromatography

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910316390.6A CN110065309A (en) 2019-04-19 2019-04-19 A kind of more spray head adjusting methods for chromatography

Publications (1)

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CN110065309A true CN110065309A (en) 2019-07-30

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Citations (8)

* Cited by examiner, † Cited by third party
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

Patent Citations (8)

* Cited by examiner, † Cited by third party
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

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