CN1586892A - On-line automatic controlsystem for printing quality - Google Patents
On-line automatic controlsystem for printing quality Download PDFInfo
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- CN1586892A CN1586892A CN200410073619.1A CN200410073619A CN1586892A CN 1586892 A CN1586892 A CN 1586892A CN 200410073619 A CN200410073619 A CN 200410073619A CN 1586892 A CN1586892 A CN 1586892A
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Abstract
The on-line automatic printing quality control system includes image acquiring unit, image processing unit, ink conveying unit and paper transferring unit. The image acquiring unit includes area array CCD camera set below the paper transferring unit and linear array CCD camera set beside the printing cylinder; and the ink conveying unit has CPC local ink color regulating mechanism and ink roller regulating mechanism. The image information the image acquiring unit acquires is compared in the image processing unit with the stored standard sheet image, and the comparison result is used as control signal fed to the ink conveying unit for ink regulation. The present invention realizes the on-line automatic printing quality control via the combination of integral ink conveyance and local ink conveyance.
Description
Technical field
The present invention relates to a kind of on-line automatic controlsystem for printing quality that is applied to printing machine.
Background technology
At present generally adopt the colour code method of inspection for the detection of press printing quality, promptly at printing one side printing colour code, and by checking the colour code quality to reach the purpose of checking whole printing printing quality.Owing to rely on colour code to reflect the printing quality that the whole width range of printing is interior, therefore this method only is applicable to the situation of the whole ink supply of printing cylinder, when the ink transfer device during to the printing cylinder ink supply, then can't adopt the printing quality of this method printing product to check in the mode of regional ink transfer.In a single day in addition, the above-mentioned printing quality method of inspection belongs to postmortem, promptly can only check the printing after being completed for printing, thereby the printing quality problem occur, then mean scrapping of a collection of print product.
Summary of the invention
At the existing problem that exists, the object of the present invention is to provide a kind of On line inspection that both can carry out printing quality, the on-line automatic controlsystem for printing quality that can carry out online adjustment again according to the printing quality check result to the ink supply situation of ink spreader simultaneously.
For achieving the above object, on-line automatic controlsystem for printing quality of the present invention comprises: image collecting device, image processing apparatus, ink transfer device and paper transfer device, and the printing that prints out through printing cylinder is transported to next process by the paper transfer device; Described image collecting device comprises area array CCD camera and linear array CCD camera and the light source that matches with two cameras, area array CCD camera is arranged on the image information of following printing product one side of paper transfer device and gathers, and linear array CCD camera is arranged on the image information of the other printing product opposite side of impression cylinder and gathers; Described image processing apparatus stores standard specimen page image; Described ink transfer device has CPC mass colour local modulation mechanism and ink foundation roller governor motion; The image information input image processing unit that described area array CCD camera and linear array CCD camera are gathered, by with after described standard specimen page image is compared, comparative result is transferred to as control signal carries out mass colour with the CPC mass colour local modulation mechanism of the corresponding one side of printing and ink foundation roller governor motion and regulate.
Further, below the described paper transfer device adsorption plate is set also, adsorption hole gathers on this adsorption plate, adsorption hole joins by pipeline and air intake device, also have on the described adsorption plate several with printing on open the suitable mutually perforate of image size for a short time, described area array CCD camera is arranged on each tapping one by one.
Further, described perforate interlaces and is distributed on the described adsorption plate.
The present invention gathers the image information on printing two sides respectively by area array CCD camera and linear array CCD camera, after image processing apparatus is handled the image information that collects, according to result the work of ink transfer device is controlled, not only having reached whole ink transfer and local ink transfer combines and controls the printing quality of printing, make printing have higher symbol sample and conforming purpose, also realized the automatic control that printing quality is online.
Description of drawings
Fig. 1 is a fundamental diagram of the present invention;
Fig. 2 is position and the structural representation of the present invention in money press;
Fig. 3 is the structural representation of adsorbent equipment among Fig. 2.
The specific embodiment:
As shown in Figure 1, linear array CCD camera and area array CCD camera are transferred to image processing apparatus after gathering image information, contain standard specimen page image information in the image processing apparatus, by the image information and the contrast of standard specimen page image information of will be gathered, comparative result is fed back to ink foundation roller governor motion and CPC mass colour local modulation mechanism as control signal mass colour is carried out whole and local adjustment respectively, thereby realize the on-line automatic control of printing quality of printing.
As Fig. 2, shown in Figure 3, printing 1 is transported to next process by paper transfer device 3 after being sent to printing cylinder 2 and printed by sheet feeding-device.Linear array CCD camera 5 and lighting source 7 are positioned at the next door of printing cylinder 2, because the linear flatness of printing 1 its surperficial width during through printing cylinder 2 is better when other positions than printing 1, therefore adopt picture quality that linear array CCD camera 5 collects at this position than the picture quality height that collects at other positions.Adsorption plate 4 is positioned at the bottom of paper transfer device 3, have 5 on the adsorption plate 4 and open the suitable mutually perforate 10 of image size for a short time with printing 1, these perforates 10 are interspersed on adsorption plate 4, area array CCD camera 6 and lighting source 8 are installed in these perforate 10 places one by one, the upper surface of adsorption plate 4 also is densely covered with some adsorption holes 9, and these adsorption holes 9 join by pipeline and air intake device.When paper transfer device 3 transported printing 1 through adsorption plate 4, printing 1 was close to the surface of adsorption plate 4 and is moved, thereby has guaranteed the planarization of printing 1, was convenient to area array CCD camera 6 and gathered image information.The image information of being gathered by linear array CCD camera and area array CCD camera is transferred to image processing apparatus, compare with the standard specimen page image of being stored in the image processing apparatus, result after will contrasting then feeds back to the ink foundation roller governor motion as control signal and CPC mass colour local modulation mechanism carries out integral body and local the adjustment respectively to mass colour, thereby realizes the On-line Control of printing 1 printing quality.
Claims (3)
1, a kind of on-line automatic controlsystem for printing quality is characterized in that, comprising: image collecting device, image processing apparatus, ink transfer device and paper transfer device, and the printing that prints out through printing cylinder is transported to next process by the paper transfer device; Described image collecting device comprises area array CCD camera and linear array CCD camera and the light source that matches with two cameras, area array CCD camera is arranged on the image information of following printing product one side of paper transfer device and gathers, and linear array CCD camera is arranged on the image information of the other printing product opposite side of impression cylinder and gathers; Described image processing apparatus stores standard specimen page image; Described ink transfer device has CPC mass colour local modulation mechanism and ink foundation roller governor motion; The image information input image processing unit that described area array CCD camera and linear array CCD camera are gathered, by with after described standard specimen page image is compared, comparative result is transferred to as control signal carries out mass colour with the CPC mass colour local modulation mechanism of the corresponding one side of printing and ink foundation roller governor motion and regulate.
2, a kind of on-line automatic controlsystem for printing quality according to claim 1, it is characterized in that, below the described paper transfer device adsorption plate is set also, adsorption hole gathers on this adsorption plate, adsorption hole joins by pipeline and air intake device, also have on the described adsorption plate several with printing on open the suitable mutually perforate of image size for a short time, described area array CCD camera is arranged on each tapping one by one.
3, a kind of on-line automatic controlsystem for printing quality according to claim 2 is characterized in that, described perforate interlaces and is distributed on the described adsorption plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100736191A CN1309565C (en) | 2004-09-02 | 2004-09-02 | On-line automatic controlsystem for printing quality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100736191A CN1309565C (en) | 2004-09-02 | 2004-09-02 | On-line automatic controlsystem for printing quality |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1586892A true CN1586892A (en) | 2005-03-02 |
| CN1309565C CN1309565C (en) | 2007-04-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100736191A Expired - Fee Related CN1309565C (en) | 2004-09-02 | 2004-09-02 | On-line automatic controlsystem for printing quality |
Country Status (1)
| Country | Link |
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| CN (1) | CN1309565C (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101943666A (en) * | 2010-08-12 | 2011-01-12 | 中国印钞造币总公司 | Novel presswork sample conformity evaluation method and corresponding device |
| CN103472068A (en) * | 2013-08-16 | 2013-12-25 | 唐汉章 | Device and method for visual detection of ink color changes and mechanical arm adjustment |
| CN103743748A (en) * | 2013-12-31 | 2014-04-23 | 江苏大学 | Rapid and low-cost machine vision online detection system |
| CN103879142A (en) * | 2014-02-21 | 2014-06-25 | 南通大学 | Embedded automatic printing quality detection system for silk screen printing machine |
| CN103895343A (en) * | 2012-12-26 | 2014-07-02 | 北京大学 | Printing stock quality inspection method and system |
| CN105313452A (en) * | 2013-12-20 | 2016-02-10 | 曼罗兰网络系统有限责任公司 | Method and device for the markless control or regulation of a digital printing process |
| CN106218217A (en) * | 2016-07-20 | 2016-12-14 | 长兴艾飞特科技股份有限公司 | Novel scraping device for ink |
| CN109624502A (en) * | 2018-12-12 | 2019-04-16 | 陕西东风海印刷有限公司 | A kind of efficient low-consume damage printed matter production system and method |
| CN109664611A (en) * | 2018-12-12 | 2019-04-23 | 浙江新中商务印刷有限公司 | A kind of printing machine |
| CN113063787A (en) * | 2020-01-02 | 2021-07-02 | 南京造币有限公司 | Paper biting quality on-line detection device |
| CN113360278A (en) * | 2021-05-31 | 2021-09-07 | 南昌印钞有限公司 | Banknote similarity evaluation method and system, computer device and readable storage medium |
| CN113436196A (en) * | 2021-08-27 | 2021-09-24 | 广州市雄星塑料制品有限公司 | Two-dimensional code film production management system based on image recognition technology |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| IT1284432B1 (en) * | 1996-03-22 | 1998-05-21 | De La Rue Giori Sa | PROCEDURE FOR AUTOMATIC CHECK OF THE PRINT QUALITY OF A POLYCHROME IMAGE |
| US5774225A (en) * | 1996-03-27 | 1998-06-30 | Advanced Vision Technology, Ltd. | System and method for color measurement and control on-press during printing |
| DE19624196C2 (en) * | 1996-06-18 | 1999-09-23 | Koenig & Bauer Ag | Device and method for sheet guidance in a qualitative assessment of processed sheets |
| US6335978B1 (en) * | 1999-02-09 | 2002-01-01 | Moore North America, Inc. | Variable printing system and method with optical feedback |
| US6497522B2 (en) * | 2000-04-17 | 2002-12-24 | Hewlett-Packard Company | Edge lift reduction for belt type transports |
| DE10145957B4 (en) * | 2001-03-27 | 2014-09-25 | Windmöller & Hölscher Kg | Apparatus and method for adjusting the printed image in a flexographic printing machine |
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2004
- 2004-09-02 CN CNB2004100736191A patent/CN1309565C/en not_active Expired - Fee Related
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101943666A (en) * | 2010-08-12 | 2011-01-12 | 中国印钞造币总公司 | Novel presswork sample conformity evaluation method and corresponding device |
| CN103895343A (en) * | 2012-12-26 | 2014-07-02 | 北京大学 | Printing stock quality inspection method and system |
| CN103895343B (en) * | 2012-12-26 | 2017-12-19 | 北京大学 | A kind of printed article detection method for quality and system |
| CN103472068A (en) * | 2013-08-16 | 2013-12-25 | 唐汉章 | Device and method for visual detection of ink color changes and mechanical arm adjustment |
| CN103472068B (en) * | 2013-08-16 | 2015-11-18 | 唐汉章 | Visual detection of ink color change adjusts Apparatus and method for mechanical arm |
| CN105313452B (en) * | 2013-12-20 | 2018-09-25 | 曼罗兰网络系统有限责任公司 | The method and apparatus of unmarked control and adjusting for digital printing process |
| CN105313452A (en) * | 2013-12-20 | 2016-02-10 | 曼罗兰网络系统有限责任公司 | Method and device for the markless control or regulation of a digital printing process |
| US9754196B2 (en) | 2013-12-20 | 2017-09-05 | Manroland Web Systems Gmbh | Method and device for the markless control or regulation of a digital printing process |
| CN103743748A (en) * | 2013-12-31 | 2014-04-23 | 江苏大学 | Rapid and low-cost machine vision online detection system |
| CN103879142A (en) * | 2014-02-21 | 2014-06-25 | 南通大学 | Embedded automatic printing quality detection system for silk screen printing machine |
| CN103879142B (en) * | 2014-02-21 | 2016-06-08 | 南通大学 | Embedded screen decorating machine printing quality automatic checkout system |
| CN106218217A (en) * | 2016-07-20 | 2016-12-14 | 长兴艾飞特科技股份有限公司 | Novel scraping device for ink |
| CN109624502A (en) * | 2018-12-12 | 2019-04-16 | 陕西东风海印刷有限公司 | A kind of efficient low-consume damage printed matter production system and method |
| CN109664611A (en) * | 2018-12-12 | 2019-04-23 | 浙江新中商务印刷有限公司 | A kind of printing machine |
| CN109624502B (en) * | 2018-12-12 | 2020-10-27 | 陕西东风海印刷有限公司 | Efficient low-loss printed product production system and method |
| CN113063787A (en) * | 2020-01-02 | 2021-07-02 | 南京造币有限公司 | Paper biting quality on-line detection device |
| CN113360278A (en) * | 2021-05-31 | 2021-09-07 | 南昌印钞有限公司 | Banknote similarity evaluation method and system, computer device and readable storage medium |
| CN113360278B (en) * | 2021-05-31 | 2024-05-03 | 南昌印钞有限公司 | Banknote character evaluation method, system, computer device and readable storage medium |
| CN113436196A (en) * | 2021-08-27 | 2021-09-24 | 广州市雄星塑料制品有限公司 | Two-dimensional code film production management system based on image recognition technology |
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|---|---|
| CN1309565C (en) | 2007-04-11 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Inst. of Printing Science, Peolpe's Bank of China Assignor: China banknote printing and Minting Corporation Contract fulfillment period: 2008.11.11 to 2013.11.10 Contract record no.: 2008110000159 Denomination of invention: On-line automatic controlsystem for printing quality Granted publication date: 20070411 License type: Exclusive license Record date: 20081205 |
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| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.11.11 TO 2013.11.10; CHANGE OF CONTRACT Name of requester: PEOPLE'S BANK OF CHINA SCIENCE PRINTING TECHNOLOGY Effective date: 20081205 |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070411 Termination date: 20190902 |