CN105882142A - Printed matter defect detection system and method - Google Patents
Printed matter defect detection system and method Download PDFInfo
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- CN105882142A CN105882142A CN201610269163.9A CN201610269163A CN105882142A CN 105882142 A CN105882142 A CN 105882142A CN 201610269163 A CN201610269163 A CN 201610269163A CN 105882142 A CN105882142 A CN 105882142A
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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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- Engineering & Computer Science (AREA)
- Quality & Reliability (AREA)
- Inking, Control Or Cleaning Of Printing Machines (AREA)
Abstract
The invention discloses a printed matter defect detection system and method, and belongs to the technical field of printed matter full-picture quality detection. The printed matter defect detection system comprises a numbering unit, a vision detection device, a controller, a marking unit and a rejecting device. The numbering unit conducts sequence numbering on to-be-printed products on a production line. The numbering unit is connected with the controller. The vision detection device is installed after the printing production step is conducted. The vision detection device is connected with the input end of the controller, and printed image information collected by the vision detection device is sent to the controller for defect analysis. The marking unit recording the defected printed products is connected with the controller. The rejecting device is connected to the output end of the controller and installed on a device completing printing. The printed matter defect detection system and method solve the problem that because printing is stopped halfway for defect rejection and good product supplementation, time is consumed, have the beneficial effect of saving time, and are simple in structure and easy to improve and use.
Description
Technical field
The invention belongs to leaflet full frame technical field of quality detection, relate to leaflet screen defect detection direction, be specifically related to
A kind of leaflet defect detecting system and method thereof.
Background technology
Either traditional printing or digital printed, in printing process, people will face a very important problem, it is simply that
Print quality Detection & Controling.The speed of modern printer improves constantly, and quality testing and control to leaflet propose more
High requirement.Traditional print quality detection control device can not meet and ensure high-quality, efficient, the low cost of modern printing
Requirement.Therefore, printing manufacturer automatically detects and dreams of realizing print quality, it be not only printing quality datumization,
Normalized basis, the necessary links that follow-up printing automatically controls.
Existing visual detection equipment or be arranged on printer and run on link and carry out on-line checking, or utilize rewinding to set
The standby offline inspection that carries out, a kind of method of operation is: encounters problems and shuts down at once, carries out artificial judgment, if it is confirmed that be defect then
Reject bad, subsidize non-defective unit.When the percent defective of equipment detection is higher, it is necessary to constantly shut down and carry out manual operation, equipment
Detection efficiency will reduce.Existing visual detection equipment only lay particular emphasis on improve observe, judge, find defect link precision,
Accuracy and speed, the most do not focus on shutting down time-consumingly, and the longest shutting down is rejected, the time of subsidy non-defective unit accounts for whole detection
The 60%-70% of journey time, in the case of not having other high-precision automatic equipment to coordinate, this part-time can not be saved,
This is also the basic reason that visual detection equipment is inefficient.
Summary of the invention
According to above the deficiencies in the prior art, the technical problem to be solved is to propose a kind of leaflet defect detecting system
And method, by the numbering of number record every printing record number detecting defect printing when, it is completed for printing
After, take out defect printing, it is not necessary to printing midway is shut down and taken defect printing, saves the substantial amounts of working time, solves printing
Midway is shut down and is rejected defect, supplements the time-consuming problem of non-defective unit, has time saving advantage, simple in construction, be readily modified, make
With simply.
In order to solve above-mentioned technical problem, the technical solution used in the present invention is: a kind of leaflet defect detecting system, described inspection
Examining system includes numbered cell, visual detection equipment, controller, indexing unit and removal equipment, and numbered cell is on production line
Product to be printed carry out sequence numbering, numbered cell connects controller, after visual detection equipment is arranged on print production step,
Visual detection equipment connects the input of controller, and the printing image information of visual detection equipment collection is sent to controller and lacks
Falling into and analyze, the indexing unit of record print defect product connects controller, and removal equipment is connected on the outfan of controller, picks
Except equipment is arranged on the equipment after being completed for printing.
In said system, described numbered cell connects controller, arranges numbering direction criterion and sequence number increases standard inside numbered cell
Then, sequence number increases criterion is that Arabic numerals are incremented by or binary counting criterion.Described controller is provided with display screen, display screen
Connecting controller, display screen numbers the numbering with defect printing and quantity according to the sequence of the instruction display numbered cell of controller.
Being provided with graphics processing unit in described controller, graphics processing unit connects controller, is provided with standard picture in graphics processing unit
Carry out image and compare discovery print defect product.Described detecting system also includes reminding unit, and reminding unit is connected to controller
On outfan, reminding unit is arranged on the front in the streamline direction of removal equipment.Described reminding unit includes multiple display lamp,
Display lamp connects on the controller, and the quantity of display lamp is equal to the maximum of number of paper in printing surface, and each display lamp is corresponding
One paper.Described display lamp selects visible ray display lamp.Number of paper in the working quantity of described display lamp and printing surface
Identical.The lower section of described removal equipment is provided with collecting box, the print defect product that collecting box storage removal equipment is rejected.
A kind of leaflet defect inspection method, described method step includes: step one, paper are placed on printing production line, right
Paper to be printed is numbered in order；Step 2, paper printing, the product after printing carries out vision-based detection, analyzing defect every time
Print product；Step 3, marking the numbering of print defect product, controller preserves print defect production code member；Step 4,
Being completed for printing, paper transports, and display lamp is radiated on print defect product, and removal equipment takes print defect product away；Step 5,
Visual detection equipment detects the production line after rejecting print defect product again.
The medicine have the advantages that the present invention provides a kind of leaflet defect detecting system and method thereof, the printing that the present invention provides
Product defect detecting system, it is possible to detect the image quality of printing in printing process, by video capture technology, gathers and specifies stream
Printing image information in fixed range on waterline, carries out storing standard picture information and compares, when finding screen defect, and note
The sequence number of lower defect printing, each batch paper to printing carries out serial number, after being completed for printing, the arrangement of printing
During, transport is to defect printing when, send radiance prompting, choose defect printing, thus complete the detection of defect printing
And Weeding.
Accompanying drawing explanation
Below the content expressed by this specification accompanying drawing and the labelling in figure are briefly described:
Fig. 1 is that the leaflet defect detecting system of the detailed description of the invention of the present invention obtains operation principle block diagram.
Fig. 2 is the flow chart of the leaflet defect inspection method of the detailed description of the invention of the present invention.
Detailed description of the invention
Below against accompanying drawing, by the description to embodiment, the shape of each component that the detailed description of the invention of the present invention is the most involved,
Structure, mutual alignment and annexation, the effect of each several part and operation principle, manufacturing process between each several part and operate with
Methods etc., are described in further detail, to help those skilled in the art to have inventive concept, the technical scheme of the present invention more
Completely, accurate and deep understanding.
As it is shown in figure 1, leaflet defect detecting system include numbered cell, visual detection equipment, controller, indexing unit,
Reminding unit and removal equipment, numbered cell just carries out sequence numbering to the product on production line paper prepares printing when,
Numbered cell connects controller, and the number of numbering is sent to controller, and visual detection equipment is arranged on the production stage of printing every time
After, visual detection equipment connects the input of controller, and the image information of visual detection equipment collection is sent to controller, controls
After device carries out image information analysis discovery defect printing to the image information gathered, utilize the label of mark unit records defect printing,
Reminding unit and removal equipment are connected on the outfan of controller, remind during production line is completed for printing transport, in fortune
Can send prompting when of moving marking of defects unit, culling unit rejects defect printing, completes the work of leaflet defects detection.
On printing production line, the when that printing entering printing work, the paper on production line is carried out serial number, numbers and compile
Number criterion is completed by controller, is provided with numbered cell and carries out paper numbering work in controller, and on production line, paper enters printing
Before work, every blank sheet of paper being carried out serial number, every printing on streamline just has unique serial number, thus is finding
The serial number directly recording defect printing of defect, such printing work need not stop rejecting defect printing, printer
Work continues, and is being completed for printing, and during printing product carries out arranging transmission, rejects defect printing.
Numbered cell connects controller, and when the flow work starts, numbered cell is started working, and is provided with inside numbered cell
Numbering direction criterion and sequence number increase criterion, numbering direction criterion and sequence number and increase criterion is all to set, and strictly observes, does not permits
Permitted midway change.Numbering direction can be to be arranged in order after first horizontal direction, and sequence number increases criterion and can select Arabic sequence number
Once being incremented by select computer easily to identify the binary counting of execution, is provided with display screen, meeting on display screen in controller
Sequence number maximum on display streamline, shows the printing number of paper on streamline, simultaneously the numbering of display defect printing and number
Amount.The concrete execution of numbered cell can have been assisted by visual detection equipment, and paper is put into, and the typing of printing image all can be stepped on
The size of note input paper, the size of the lower paper of controller storage, the image collected according to vision-based detection, analyze a printing
The quantity of paper in the space of a whole page, continues numbering, completes numbering work.
Paper after having numbered enters printing stage, printing stage, has visual detection equipment after often carrying out one-step print work,
Detection one-step print quality problems.Visual detection equipment is arranged on track, and after each printing work completes, vision-based detection sets
The standby defects detection that carries out, collection product image, the image information of collection is sent in controller, controller carries out image
Reason, finds defect point.Controller is provided with graphics processing unit, is provided with standard picture in graphics processing unit and carries out image and compare
Finding defect printing, visual detection equipment gathers printing image, is contrasted with standard picture by the image collected, finds out face
The pixel that color is different, based on the pixel that the color found out is different, records faulty goods, and according to the position mark in image
The position of lower faulty goods.Printing work is not one step completed, needs repeatedly to print and just can complete, so visual detection equipment
It is also required to repeatedly, vision-based detection will be carried out after printing every time, and carry out defects detection by graphics processing unit.
The labelling of defect printing is completed by indexing unit, the graphics processing unit of controller after analysis draws defect printing,
Indexing unit goes out the position of defect image according to the graphical analysis gathered thus calculates the numbering of defect printing, and indexing unit calculates
After out position, the numbering of defective unit can be recorded, preserve in the controller, controller is provided with data storage cell for depositing
Storage information, can store the information of numbered cell and the label information of indexing unit, with the preparation controller later stage in data storage cell
Call data, or copy permanent retained data.
Each printing after technique carries out image acquisition, after defects detection, after indexing unit is numbered labelling, produces
After line is completed for printing, being provided with labelling and arrange unit in controller, labelling arranges the marker number that indexing unit is sent by unit, right
The numbering repeated is overlapped, and deletes the marker number repeated, and the marker number of repetition illustrates there is many places mistake on same Zhang Yinpin,
Need not perform palikinesia.After being completed for printing, during the arrangement of printing, send transport is to defect printing when and carry
Wake up, and propose defect printing.The prompting of defect printing is completed by reminding unit, and reminding unit is to be combined by multiple display lamps
Forming, reminding unit specifically includes multiple display lamp, and display lamp connects on the controller, and the quantity of display lamp is equal to a printing
Most paper number in the space of a whole page, the corresponding paper of each display lamp.Display lamp can select laser lamp, irradiates visible ray and exists
In defect printing, remind staff to note, or taken away defect printing by staff.The setting of reminding unit primarily to
Reminding the effect of defect printing position, ancillary staff checks, the position of defect printing can show the most simultaneously
Out, along with the light point simultaneous display of reminding unit.The unlatching quantity of the display lamp of reminding unit is limited, needs and one
Number of paper in individual galley is identical, and the installation quantity of display lamp is a lot, but only opens closest paper to be printed that
Display lamp.Because the paper size to be printed in print production is different, so can only arrange installation galley in the present invention every time
The display lamp number that middle number of paper is maximum, according to number of paper when of unlatching, that of the closest paper to be printed of a unlatching refers to
Show lamp, indicate respectively that the luminous point of lamp is directly got in printing.
In order to improve automaticity in the present invention, it is provided with removal equipment and carries out machine and automatically propose defect printing, removal equipment
Including motor, support bar and mechanical hand, motor connects on the controller, and according to the instruction operation support bar of controller, defect prints
Product are in transport to the when of rejecting technique, and reminding unit is radiated in defect printing, and motor holding state is opened, and drive support bar
Motion, support bar driving mechanical hands, mechanical hand takes defect printing away, and the contact area of mechanical hand is very big, and mechanical hand is that plane sets
Put, it is not necessary to be arranged to separate the five fingers shape, on the conveyor belt defect printing taken away by friction, leave supply line in
In the collecting box on the ground of both sides, it is not necessary to secondary is swept, it is not required that shut down and time-consuming take defect printing away.Removal equipment is taken away
After printing, visual detection equipment is also performed to an image acquisition, confirms whether the work of mechanical hand completes, if really lacking
Trapping product are taken away.
As in figure 2 it is shown, leaflet defect inspection method, method step includes:
Step one, paper are placed on printing production line, treat printing paper and number in order.Numbered cell is utilized to complete print
The sequence numbering of brush paper.
Step 2, paper printing, the product after printing carries out vision-based detection, analyzing defect print product every time.After paper numbering,
Being carried out image acquisition by visual detection equipment, the image collected sends controller and carries out defect analysis, analyzes defect printing
Position and reference numeral.
Step 3, marking the numbering of print defect product, controller preserves print defect production code member.Indexing unit marks
The numbering of defect printing, is saved in controller, facilitates the later stage to call the related data of defect printing.
Step 4, being completed for printing, paper transports, and display lamp is radiated on print defect product, and removal equipment takes print defect away
Product.Being completed for printing, during printing transport, reminding unit sends prompting instruction to reminding according to the defective data of controller
Unit, reminding unit is according to the numbering of defect printing and position, and display lamp luminescence is radiated on the position of defect printing, and rejecting sets
It is on the waiting list away defect printing.
Step 5, visual detection equipment detect the production line after rejecting print defect product again.Visual detection equipment is again
Printing after detection is rejected is the most defective, if the most defective, controller sends alarm and reminding, reminds staff timely
Auxiliary completes.Alert device in the present invention and removal equipment cooperating, work efficiency is the highest, and visual detection equipment is repeatedly
Detection is arranged for qualification rate, in detection the last time, needs staff to carry out, but workload is little, and
One employee, one employee of a production line, greatly reduce the utilization rate of employee, automaticity is the highest.
Above in conjunction with accompanying drawing, the present invention is exemplarily described, it is clear that the present invention implements and is not subject to the restrictions described above,
As long as the improvement of the various unsubstantialities that the method design that have employed the present invention is carried out with technical scheme, or the most improved by the present invention
Design and technical scheme directly apply to other occasion, all within protection scope of the present invention.Protection scope of the present invention
Should be as the criterion with the protection domain that claims are limited.
Claims (10)
1. a leaflet defect detecting system, it is characterised in that described detecting system include numbered cell, visual detection equipment,
Controller, indexing unit and removal equipment, numbered cell carries out sequence numbering, List of Documents to the product to be printed on production line
Unit connects controller, and after visual detection equipment is arranged on print production step, visual detection equipment connects the input of controller,
The printing image information of visual detection equipment collection is sent to controller and carries out defect analysis, the labelling of record print defect product
Unit connects controller, and removal equipment is connected on the outfan of controller, and removal equipment is arranged on the equipment after being completed for printing
On.
2. according to the leaflet defect detecting system described in right 1, it is characterised in that described numbered cell connects controller, numbering
Arranging numbering direction criterion inside unit and sequence number increases criterion, it is that Arabic numerals are incremented by or binary system meter that sequence number increases criterion
Number criterion.
3. according to the leaflet defect detecting system described in right 1, it is characterised in that described controller is provided with display screen, display
Shielding and connect controller, display screen numbers the numbering with defect printing and number according to the sequence of the instruction display numbered cell of controller
Amount.
4. according to the leaflet defect detecting system described in right 1, it is characterised in that described controller is provided with graphics processing unit,
Graphics processing unit connect controller, be provided with in graphics processing unit standard picture carry out image compare discovery print defect produce
Product.
5. according to the leaflet defect detecting system described in right 1, it is characterised in that described detecting system also includes reminding unit,
Reminding unit is connected on the outfan of controller, and reminding unit is arranged on the front in the streamline direction of removal equipment.
6. according to the leaflet defect detecting system described in right 5, it is characterised in that described reminding unit includes multiple display lamp,
Display lamp connects on the controller, and the quantity of display lamp is equal to the maximum of number of paper, each display lamp pair in printing surface
Answer a paper.
7. according to the leaflet defect detecting system described in right 6, it is characterised in that described display lamp selects visible ray display lamp.
8. according to the leaflet defect detecting system described in right 6, it is characterised in that the working quantity of described display lamp and galley
Number of paper in face is identical.
9. according to the leaflet defect detecting system described in right 1, it is characterised in that the lower section of described removal equipment is provided with collecting box,
The print defect product that collecting box storage removal equipment is rejected.
10. a leaflet defect inspection method, it is characterised in that described method step includes:
Step one, paper are placed on printing production line, treat printing paper and number in order；
Step 2, paper printing, the product after printing carries out vision-based detection, analyzing defect print product every time；
Step 3, marking the numbering of print defect product, controller preserves print defect production code member；
Step 4, being completed for printing, paper transports, and display lamp is radiated on print defect product, and removal equipment is taken print defect away and produced
Product；
Step 5, visual detection equipment detect the production line after rejecting print defect product again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610269163.9A CN105882142A (en) | 2016-04-26 | 2016-04-26 | Printed matter defect detection system and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610269163.9A CN105882142A (en) | 2016-04-26 | 2016-04-26 | Printed matter defect detection system and method |
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ID=56704778
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| CN201610269163.9A Pending CN105882142A (en) | 2016-04-26 | 2016-04-26 | Printed matter defect detection system and method |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107310795A (en) * | 2017-07-04 | 2017-11-03 | 上海烟草机械有限责任公司 | Product external packaging detector and detecting system based on machine vision technique |
| CN108682014A (en) * | 2018-07-18 | 2018-10-19 | 上海晨光文具股份有限公司 | Method for registering images, device, storage medium and image printing pipelining equipment |
| CN109507207A (en) * | 2017-09-14 | 2019-03-22 | 海德堡印刷机械股份公司 | The image detection of maculature management and the printed matter with defect type |
| CN110789225A (en) * | 2020-01-03 | 2020-02-14 | 中体彩印务技术有限公司 | Prompting system and prompting method for joint of printing equipment |
| CN111332014A (en) * | 2020-04-20 | 2020-06-26 | 广州市三隆泰纸业有限公司 | Informationized intelligent carton printing system |
| CN111562267A (en) * | 2020-05-29 | 2020-08-21 | 重庆施鲁逊智能科技有限公司 | Visual detection system for assembling automobile fuse box |
| CN112767306A (en) * | 2020-12-24 | 2021-05-07 | 凌云光技术股份有限公司 | Printed matter quality detection and receiving method and system |
| CN113406110A (en) * | 2021-05-20 | 2021-09-17 | 广州市花都联华包装材料有限公司 | Printing quality detection method, device, equipment and computer medium |
| CN114281282A (en) * | 2022-03-08 | 2022-04-05 | 中体彩印务技术有限公司 | Printing monitoring method and system |
| CN116572636A (en) * | 2023-04-26 | 2023-08-11 | 湖南隆深氢能科技有限公司 | Detection method and system of double-roller thermal transfer printing equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111332014A (en) * | 2020-04-20 | 2020-06-26 | 广州市三隆泰纸业有限公司 | Informationized intelligent carton printing system |
| CN111562267A (en) * | 2020-05-29 | 2020-08-21 | 重庆施鲁逊智能科技有限公司 | Visual detection system for assembling automobile fuse box |
| CN112767306A (en) * | 2020-12-24 | 2021-05-07 | 凌云光技术股份有限公司 | Printed matter quality detection and receiving method and system |
| CN113406110A (en) * | 2021-05-20 | 2021-09-17 | 广州市花都联华包装材料有限公司 | Printing quality detection method, device, equipment and computer medium |
| CN114281282A (en) * | 2022-03-08 | 2022-04-05 | 中体彩印务技术有限公司 | Printing monitoring method and system |
| CN114281282B (en) * | 2022-03-08 | 2022-05-20 | 中体彩印务技术有限公司 | Printing monitoring method and system |
| CN116572636A (en) * | 2023-04-26 | 2023-08-11 | 湖南隆深氢能科技有限公司 | Detection method and system of double-roller thermal transfer printing equipment |
| CN116572636B (en) * | 2023-04-26 | 2024-01-16 | 湖南隆深氢能科技有限公司 | Detection method and system of double-roller thermal transfer printing equipment |
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Application publication date: 20160824 |