CN109016835B - Gravure on-line measuring system - Google Patents
Gravure on-line measuring system Download PDFInfo
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- CN109016835B CN109016835B CN201810874640.3A CN201810874640A CN109016835B CN 109016835 B CN109016835 B CN 109016835B CN 201810874640 A CN201810874640 A CN 201810874640A CN 109016835 B CN109016835 B CN 109016835B
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- module
- color
- mandarin duck
- gravure
- marking
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F33/00—Indicating, counting, warning, control or safety devices
- B41F33/0036—Devices for scanning or checking the printed matter for quality control
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F19/00—Apparatus or machines for carrying out printing operations combined with other operations
- B41F19/007—Apparatus or machines for carrying out printing operations combined with other operations with selective printing mechanisms, e.g. ink-jet or thermal printers
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- Engineering & Computer Science (AREA)
- Quality & Reliability (AREA)
- Spectrometry And Color Measurement (AREA)
Abstract
The invention provides a gravure online detection system, and belongs to the technical field of mashing devices. The gravure online detection system comprises a standard color module, a selection module, an acquisition module, a calculation module, a marking module and a controller. The selecting module selects a first mandarin duck color and a second mandarin duck color of the box piece, the collecting module collects a preset standard color, the first mandarin duck color and the second mandarin duck color on the box piece, the calculating module obtains a difference value of the first mandarin duck color and the second mandarin duck color when an error of the first mandarin duck color and the preset standard color is a first preset error, and the marking module pastes a mark on the box piece when an error of the second mandarin duck color and the preset standard color is a second preset error, so that unqualified box pieces can be conveniently collected, and the controller controls the selecting module, the collecting module, the calculating module and the marking module, so that the automatic operation is realized, the working time is saved, and the working efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of printing, and relates to an online gravure detection system.
Background
At present, gravure online color difference monitoring is offline, a large sheet is cut at the tail of a roll after printing is finished, the difference between the large sheet and a standard sample is observed by an instrument or naked eyes, if the color difference is found to be problematic, ink is adjusted, but the loss caused by printing the roll is not compensated. Moreover, the current color measurement means mainly depend on handheld device measurement and final confirmation by eye observation, and the most important problems of the commonly used handheld measurement devices are that only one point of color can be measured at a time, and color measurement cannot be carried out on a laser product, so that chromatic aberration measurement is limited, and chromatic aberration monitoring is delayed. The mandarin duck color at the top end and the bottom end of the printing box piece can not be observed by naked eyes when the box piece is placed flatly, and when the top end and the bottom end of the box piece are folded, the mandarin duck color at the bottom end and the top end can be observed by naked eyes, so that color difference exists on the box piece, the color forming effect of the box piece is influenced, the quality of the box piece is influenced, the color difference needs to be detected on line, and the mark is made at the position where the color difference exists.
Disclosure of Invention
The invention provides an online gravure detection system aiming at the problems in the prior art, and the technical problems to be solved by the invention are as follows: how to provide a system capable of detecting the color difference of gravure on line.
The purpose of the invention can be realized by the following technical scheme:
a gravure online detection system is used for detecting box pieces in a printing plate and comprises a standard color module used for providing a plurality of standard colors of the box pieces, a selection module used for selecting a first mandarin duck color at a first pattern position and a second mandarin duck color at a second pattern position on the box pieces, an acquisition module used for acquiring a preset standard color, the first mandarin duck color and the second mandarin duck color on the box pieces, a calculation module used for acquiring a color difference value of the first mandarin duck color and the second mandarin duck color when an error of the first mandarin duck color and the preset standard color is a first preset error, an error of the second mandarin duck color and the preset standard color is a second preset error and the first preset error and the second preset error are within a standard error range, a marking module used for marking on the box pieces when the color difference value of the first mandarin duck color and the second mandarin duck color is larger than a third preset error, and a selection module used for controlling the acquisition module, A computing module and a controller for a marking module.
Preferably, the marking module comprises a first marking member for labelling the cartridge sheet or a first ink jet for jetting ink onto the cartridge sheet.
Preferably, the device further comprises a storage module used for storing the result of the calculation module.
Preferably, the color difference value of the first mandarin duck color and the second mandarin duck color is larger than a third preset error, and an alarm module is used for giving an alarm.
Preferably, the alarm module is an audible and visual alarm.
Preferably, the apparatus further comprises an accumulator for counting up by one after the marking module marks the cassette piece.
Preferably, the selection module comprises a second marking member for marking the cassette pieces after their selection or a second ink jet for jetting ink on the cassette pieces.
Preferably, the storage module is a usb disk or a removable hard disk.
Preferably, the first pattern is at the top end of the cassette piece and the second pattern is at the bottom end of the cassette piece.
Preferably, the color-changing box further comprises a lighting piece used for providing a light source when the collection module collects the preset standard color, the first color and the second color on the box sheet.
The selecting module selects a first mandarin duck color and a second mandarin duck color of the box pieces, the collecting module collects a preset standard color, the first mandarin duck color and the second mandarin duck color on the box pieces, the collecting accuracy is high, the calculating module firstly confirms that the error between the first mandarin duck color and the preset standard color is a first preset error and the error between the second mandarin duck color and the preset standard color is a second preset error, the operation is simple and convenient, the precision is high, meanwhile, the first preset error and the second preset error are both confirmed within the range of the standard error, then the calculating module obtains the difference between the first mandarin duck color and the second mandarin duck color, the marking module pastes a mark on the box pieces when the color difference between the first mandarin duck color and the second mandarin duck color is larger than the third preset error, the unqualified box pieces are convenient to collect, the controller controls the selecting module, the collecting module, the calculating module and the marking module to automatically operate, save operating time, improve work efficiency.
Drawings
Fig. 1 is a schematic structural view of the present invention.
In the figure: 1-standard color module, 2-selecting module, 3-collecting module, 4-calculating module, 5-marking module and 6-controller.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
Referring to fig. 1, the online gravure detection system in this embodiment is configured to detect a box piece in a printing plate, and may include a standard color module 1 configured to provide a plurality of standard colors of the box piece, a selection module 2 configured to select a first mandarin duck color of a first pattern on the box piece and a second mandarin duck color of a second pattern on the box piece, an acquisition module 3 configured to acquire a preset standard color, the first mandarin duck color and the second mandarin duck color on the box piece, a calculation module 4 configured to acquire a color difference value between the first mandarin duck color and the second mandarin duck color when an error between the first mandarin duck color and the preset standard color is a first preset error and the second preset error are both within a range of the standard error, a marking module 5 configured to mark the box piece and control the selection module 2 when a color difference value between the first mandarin duck color and the second mandarin duck color is greater than a third preset error, An acquisition module 3, a calculation module 4 and a controller 6 of a marking module 5.
Here, the selection module 2 can select a first mandarin duck color and a second mandarin duck color of the box piece, the acquisition module 3 can acquire a preset standard color, the first mandarin duck color and the second mandarin duck color on the box piece, the acquisition accuracy is high, the calculation module 4 firstly confirms that the error between the first mandarin duck color and the preset standard color is a first preset error and confirms that the error between the second mandarin duck color and the preset standard color is a second preset error, the operation is simple and convenient, the accuracy is high, then calculation module 4 compares first mandarin duck colour and second mandarin duck colour and obtains the difference between them, and mark module 5 pastes the mark on the box piece when the difference of first mandarin duck colour and second mandarin duck colour is greater than the third and predetermines the error, conveniently collects unqualified box piece, and module 2, collection module 3, calculation module 4 and mark module 5 are selected in the control of controller 6, and automated operation saves operating time, improves work efficiency. The controller 6 can be an STM32 single chip microcomputer, and is high in performance, low in cost and low in power consumption. The calculation module 4 calculates a first preset error of the first mandarin duck color and the standard color and a second preset error of the second mandarin duck color and the standard color according to a formula for calculating a color difference value, then compares the first preset error and the second preset error with the standard error respectively, and calculates the color difference value of the first mandarin duck color and the second mandarin duck color through the formula when the first preset error and the second preset error are within the range of the standard error, wherein the error is small, and the efficiency is high. The absolute value of the first preset error and the absolute value of the second preset error may be equal.
The marking module 5 comprises a first marking member for labelling the cartridge sheet or a first ink jet for jetting ink on the cartridge sheet. The first ink jet printer can be a digital ink jet printer, and the digital ink jet printer can spray ink with different colors from the mandarin duck colors on the box pieces. The first marking member may apply a label paper with an error to the cartridge sheet. The first marker may be a magnetic label affixed to the cassette piece.
The gravure online detection system in the present embodiment may further include a storage module for storing the result of the calculation module 4. The storage module is a U disk or a mobile hard disk, so that the result data can be stored for a long time, can be transmitted to other places, and can be prevented from being lost.
The gravure online detection system in this embodiment may further include an alarm module configured to alarm when a color difference value between the first mandarin duck color and the second mandarin duck color is greater than a third preset error. Alarm module can be audible-visual annunciator, and audible-visual annunciator sends red light and one sound and rings when the colour difference value of first mandarin duck colour and second mandarin duck colour is greater than the third and predetermines the error, reminds the user that unqualified box piece appears, saves user's time, improves work efficiency.
The gravure online detection system in this embodiment may further include an accumulator for counting and adding one after the marking module 5 marks the cassette, so as to count the number of all the marked cassette, and obtain the reject ratio of the cassette.
The pick module 2 may include a second marking member for marking the cassette pieces after they have been picked or a second ink jet for jetting ink onto the cassette pieces. The second marking member may be a label paper with numbers on the cassette pieces to distinguish the cassette pieces that have been selected from those that have not been selected. The second ink jet printer can be a digital ink jet printer, and the digital ink jet printer can spray ink with different colors and shapes of numbers on the box pieces from those of the mandarin duck colors on the box pieces, so that the selected box pieces can be distinguished from unselected box pieces.
The first pattern can be on the top of box piece, and the second pattern can be in the bottom of box piece, just so can detect out the mandarin duck colour at box piece both ends, improves the precision that detects.
The online gravure detection system in this embodiment may further include an illumination unit configured to provide a light source when the collection module 3 collects a preset standard color, a first color and a second color on the cassette sheet. The illumination piece can be for providing the LED lamp of the light source of predetermineeing illumination intensity for collection module 3, makes things convenient for collection module 3 to predetermine standard color, first mandarin duck colour and second mandarin duck colour on the box piece.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (9)
1. The utility model provides a gravure on-line measuring system for detect the box piece among the printing plate which characterized in that: the color difference value detection device comprises a standard color module (1) used for providing a plurality of standard colors of a box piece, a selection module (2) used for selecting a first mandarin duck color at a first pattern position and a second mandarin duck color at a second pattern position on the box piece, an acquisition module (3) used for acquiring the preset standard colors and the first mandarin duck color and the second mandarin duck color on the box piece, a calculation module (4) used for acquiring the color difference value of the first mandarin duck color and the second mandarin duck color when the error of the first mandarin duck color and the preset standard colors is a first preset error and a second preset error and the second preset error are within the range of standard errors, a marking module (5) used for marking the box piece when the color difference value of the first mandarin duck color and the second mandarin duck color is larger than a third preset error, and a control selection module (2), the acquisition module (3), A computing module (4) and a controller (6) for the marking module (5), further comprising an accumulator for adding one to the count after the marking module (5) marks the cassette piece.
2. The gravure on-line measuring system of claim 1, wherein: the marking module (5) comprises a first marking element for labeling the cartridge sheet or a first ink jet for jetting ink on the cartridge sheet.
3. The gravure on-line measuring system as set forth in claim 1 or 2, wherein: and the storage module is used for storing the result of the calculation module (4).
4. The gravure on-line measuring system as set forth in claim 1 or 2, wherein: the color difference value of the first mandarin duck color and the second mandarin duck color is larger than a third preset error, and the alarm module is used for giving an alarm.
5. The gravure on-line detection system of claim 4, wherein: the alarm module is an audible and visual alarm.
6. The gravure on-line measuring system as set forth in claim 1 or 2, wherein: the selecting module (2) comprises a second marking part for marking the box sheet after the box sheet is selected or a second ink-jet machine for jetting ink on the box sheet.
7. The gravure on-line measuring system of claim 3, wherein: the storage module is a U disk or a mobile hard disk.
8. The gravure on-line measuring system as set forth in claim 1 or 2, wherein: the first pattern is at the top end of the cassette piece and the second pattern is at the bottom end of the cassette piece.
9. The gravure on-line measuring system as set forth in claim 1 or 2, wherein: still include and be used for providing the illumination piece of light source when collection module (3) gathers and predetermines standard color, first mandarin duck colour and second mandarin duck colour on the box piece.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810874640.3A CN109016835B (en) | 2018-08-03 | 2018-08-03 | Gravure on-line measuring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810874640.3A CN109016835B (en) | 2018-08-03 | 2018-08-03 | Gravure on-line measuring system |
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| CN109016835A CN109016835A (en) | 2018-12-18 |
| CN109016835B true CN109016835B (en) | 2020-11-27 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0330951A (en) * | 1989-06-28 | 1991-02-08 | Toppan Printing Co Ltd | Printing color control apparatus |
| JP2008213167A (en) * | 2007-02-28 | 2008-09-18 | Riso Kagaku Corp | System and method for stencil printing |
| CN103575399A (en) * | 2013-11-20 | 2014-02-12 | 深圳市科彩印务有限公司 | Method for measuring colors of light-pole laser paper |
| CN205003743U (en) * | 2015-05-18 | 2016-01-27 | 征图新视（江苏）科技有限公司 | Online colour detecting system of gravure |
| CN205291924U (en) * | 2015-12-02 | 2016-06-08 | 广西真龙彩印包装有限公司 | Printing production line of printed matter defect detecting and sign can carry out on line |
| CN106052876A (en) * | 2016-07-19 | 2016-10-26 | 北京印刷学院 | Light pole laser paper and printed matter color difference measurement method |
| CN206848190U (en) * | 2017-07-03 | 2018-01-05 | 北京大恒图像视觉有限公司 | A kind of printed color device for detecting difference based on color sorter |
-
2018
- 2018-08-03 CN CN201810874640.3A patent/CN109016835B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0330951A (en) * | 1989-06-28 | 1991-02-08 | Toppan Printing Co Ltd | Printing color control apparatus |
| JP2008213167A (en) * | 2007-02-28 | 2008-09-18 | Riso Kagaku Corp | System and method for stencil printing |
| CN103575399A (en) * | 2013-11-20 | 2014-02-12 | 深圳市科彩印务有限公司 | Method for measuring colors of light-pole laser paper |
| CN205003743U (en) * | 2015-05-18 | 2016-01-27 | 征图新视（江苏）科技有限公司 | Online colour detecting system of gravure |
| CN205291924U (en) * | 2015-12-02 | 2016-06-08 | 广西真龙彩印包装有限公司 | Printing production line of printed matter defect detecting and sign can carry out on line |
| CN106052876A (en) * | 2016-07-19 | 2016-10-26 | 北京印刷学院 | Light pole laser paper and printed matter color difference measurement method |
| CN206848190U (en) * | 2017-07-03 | 2018-01-05 | 北京大恒图像视觉有限公司 | A kind of printed color device for detecting difference based on color sorter |
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| CN109016835A (en) | 2018-12-18 |
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