CN109514922A - A kind of vision detection system of the easy-torn line of paper extraction packaging - Google Patents
A kind of vision detection system of the easy-torn line of paper extraction packaging Download PDFInfo
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- CN109514922A CN109514922A CN201811334763.4A CN201811334763A CN109514922A CN 109514922 A CN109514922 A CN 109514922A CN 201811334763 A CN201811334763 A CN 201811334763A CN 109514922 A CN109514922 A CN 109514922A
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- paper extraction
- torn line
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/74—Auxiliary operations
- B31B50/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
- B31B50/811—Applying strips, strings, laces or ornamental edgings to formed boxes
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- Length Measuring Devices By Optical Means (AREA)
- Image Analysis (AREA)
- Image Processing (AREA)
Abstract
The invention discloses a kind of vision detection systems of the easy-torn line of paper extraction packaging, it include: image capturing system, laser marking system, computer and conveyer system, image information is obtained by image capturing system and is transferred to computer, it is detected and is handled by image of the computer to acquisition again, then the location parameter of the mark of easy-torn line in computer system is adjusted, to control the movement of laser marking system, it solves in paper extraction packaging process because position deviation bring influences, the defect occurred during easy-torn line generates can effectively be prevented, improve the machining accuracy of easy-torn line.
Description
Technical field
The present invention relates to a kind of vision detection systems, and in particular to a kind of vision-based detection system of the easy-torn line of paper extraction packaging
System, belongs to field of visual inspection.
Background technique
Our packagings of common paper extraction mainly have plastics package and carton package in daily life, take in order to facilitate people
With generally all designing tearable mouth or easy-torn line in packaging, the production method of common tearable mouth or easy-torn line has: 1. are wrapping
Mounted box or the marginal position of packaging bag charge and attack tearable mouth, and user can tear packaging along easy-torn line；2. being existed using tooth form knife
Packing box cuts serrated edge, and client opens along serrated edge and packs；But both the above way is all defective, due to being made by outer
With being easy to leave mark on packing box, and it cannot be guaranteed the effect of mark；There are also a kind of now more commonly used ways, use
Laser is cut into easy-torn line on packing box, and this way can adjust laser marking parameter and avoid punching packaging film, will not
Mark is left in packaging, in order to avoid influencing attractive packages, the steps include: that the pattern by the tearable mouth of design is input to department of computer science
In system, the quarter that corresponding moulding was carved or cut in corresponding position is packed in paper extraction with computer system control laser cutting system
Trace line, this method process is simple, high degree of automation, but the method has a premise when operation, is exactly product
It has to be ensured that its position is fixed when laser cutting, otherwise the position of easy-torn line has deviation, it cannot be guaranteed that cutting
Precision, but in the production line it is difficult to ensure that product space is constant, or have the occasion of some high-precision requirements that cannot take
The above method；In addition in the prior art, for the quality testing of paper extraction packaging tearable mouth, generally examined using artificial method
It surveys, this method is capable of detecting when some underproof products to a certain extent, but this method not only takes time and effort, cost
Height, and can be because the various uncertain factors of worker lead to part substandard product and some distant faulty goods not
It can be detected.
Summary of the invention
In order to solve the problems, such as to propose in background above content, the present invention provides a kind of views of the easy-torn line of paper extraction packaging
Feel detection system, image information is obtained by image capturing system and be transferred to computer, then by computer to acquisition
Image is detected and is handled, and is then adjusted the location parameter of the mark of easy-torn line in computer system, is beaten to control laser
The movement of mark system is able to solve in paper extraction packaging process because position deviation bring influences using this system, and effectively prevented
The defect that easy-torn line occurs during generating, improves the machining accuracy of easy-torn line.
Concrete scheme is as follows:
A kind of vision detection system of the easy-torn line of paper extraction packaging, the system include: image capturing system, laser marking system,
Computer and conveyer system；Described image acquisition system obtains image information and is transferred to computer, then by computer pair
Image is detected and is handled；Target is positioned by the image processing module of computer accurately to obtain product seat
Mark, is then passed to laser marking system, adjusts the location parameter of the mark of easy-torn line.
As further restriction of the invention, Image Acquisition system includes: the camera for acquiring image, for assembling light
And the optical imagery of photographic subjects is imaged on the camera lens on the CCD/CMOS sensor surface of camera, for providing the light of illumination
Source and image pick-up card for acquiring target image.
Limited as of the invention further, image capturing system and the laser marking system respectively with computer phase
Even；Light source, camera lens and camera in described image acquisition system are connected on fixed bracket by fixed device；The light source is adopted
Use light emitting diode；The paper extraction packaging is sent to laser marking system by conveyer system.
It is limited as of the invention further, laser marking system includes laser marking machine and mark machine controller, described
Mark machine controller controls the position of laser marking machine according to the signal received.
As further restriction of the invention, computer includes: control and processing module, light intensity detection module, camera mould
Block, image buffer storage module, image processing module, communication interface modules and upper computer module；The light intensity detection module, camera mould
Block and image buffer storage module are electrically connected with the control with processing module, the communication interface modules and the upper computer module
Electrical connection.
The output end of light intensity detection module is connected with the input terminal of the camera model, the output end of the camera model with
The input terminal of described image cache module is connected, the output end of described image cache module and the input of described image processing module
End is connected, and described image processing module is connected with the communication interface.
Control is used to configure the parameter of the camera model with processing module, simultaneously to the light intensity detection module input signal
And the time for exposure of the camera model, the figure for then acquiring the camera model are configured by the light intensity signal of detection feedback
As carrying out Data Format Transform, caching to described image cache module and carrying out target analyte detection, it is logical finally to will test result
It crosses communication interface modules and is uploaded to the upper computer module and shown；
Light intensity detection module is used to detect the light intensity of the camera shooting environmental and is converted into corresponding light intensity signal input control
With processing module；
Camera model is used to for the image of acquisition to be converted into corresponding image data to be input to the control and processing module；Institute
Camera model is stated using polyphaser mode；The target image passes through camera first and takes pictures to three faces that paper extraction is packed,
The positioning of direct picture is positioned according to the size of target area after image procossing, and the framing on the left side and the right side is to adopt
It is positioned with the method for template matching；
Described image cache module is used to cache the gray processing data of the image of the camera model acquisition；
The upper computer module, using industrial computer, for show paper extraction packaging region position and the paper extraction packet
Fill the marking area of easy-torn line；
Described image processing module part includes: measurement module, control module, display module and statistical analysis module；For right
Automatic measurement, automatic positioning and the coordinate statistical analysis of target image；Described image processing module controls camera acquisition figure first
Then picture carries out image procossing to the image of acquisition, finally shows processing result, and result is fed back to laser and is beaten
Mark machine controller.
As further restriction of the invention, image procossing specifically: after paper extraction, which is packed, reaches measured zone, by sensing
Device sends a signal to computer, and computer starting process of measurement executes Image Acquisition, pretreatment, edge feature extraction, ginseng respectively
Number stores measurement data into database after calculating, and measurement result is exported and gives mark machine controller, is controlled by marking machine
Device controls the engraving that laser marking machine carries out easy-torn line.
It being limited as of the invention further, conveyer system includes: motor, conveyer belt, belt, live-roller and support frame,
The output shaft of the motor drives live-roller rotation by belt, so that transmission belt be made to carry out uniform motion, the belt covering
Above live-roller, the live-roller installation is on the support frame.
Beneficial effect
1. the present invention uses machine vision technique combination laser marking technology, target is positioned when passing through image procossing, it can
Accurately to obtain product coordinate, it is then passed to laser marking system, adjusts position and the parameter of the mark of easy-torn line, is guaranteed
The position of easy-torn line does not have deviation, improves the machining accuracy of easy-torn line.
2. the present invention replaces being positioned manually using the method for vision, image procossing is brought into process up to standard without stopping transmission
The static mark of row, greatly improves production efficiency.
3. the present invention can effectively prevent the defect occurred during easy-torn line generates, improve paper extraction by real-time detection
Pack easy-torn line the quality of production, reduce artificial detection cost and because artificial detection various uncertain factors caused by
Part substandard product and some distant faulty goods fail the problem of being detected.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention；In the accompanying drawings:
A kind of Fig. 1 hardware components attachment structure schematic diagram of the vision detection system of paper extraction packaging easy-torn line of the present invention.
A kind of Fig. 2 partially connected architecture block diagram of the vision detection system of paper extraction packaging easy-torn line of the present invention.
A kind of Fig. 3 box of the target image calibration position of the vision detection system of paper extraction packaging easy-torn line of the present invention
Figure.
Description of symbols: 1. image capturing systems；2. laser marking system；3. computer；4. camera；5. camera lens；6.
Image pick-up card；7. fixed bracket；8. light source；9. sensor；10. paper extraction is packed；11. conveyer system；12. laser marking machine；
13. mark machine controller.
Specific embodiment
With reference to the accompanying drawing, it elaborates to some embodiments of the present invention.
Implement one
For because paper extraction wrapping position is not fixed, easy-torn line is cut with deviation and artificial detection takes time and effort in the prior art,
It is at high cost, and can be because the various uncertain factors of worker cause part substandard product and some distant defects to produce
Product fail the problem of being detected, and the invention proposes the vision detection systems of the easy-torn line of paper extraction packaging, are adopted by image
Collecting system 1 obtains image information and the image information that will acquire is transferred to computer system 3, and then image is detected and located
Reason, positions target when passing through image procossing, obtains product coordinate and passes to laser marking system 2；The present invention uses machine
Device vision technique combination laser marking technology, adjusts position and the parameter of the mark of easy-torn line, guarantees that the position of easy-torn line will not
There is deviation, improves the machining accuracy of easy-torn line.
Referring to Fig.1, the vision detection system of the easy-torn line of the paper extraction packaging includes: image capturing system 1, laser marking
System 2, computer 3 and conveyer system 11；Described image acquisition system 1 obtains image information and is transferred to computer 3, then
Image is detected and handled by computer 3；Target is positioned accurately to obtain product coordinate by image procossing,
It is then passed to laser marking system, adjusts the location parameter of the mark of easy-torn line.
Described image acquisition system 1 includes: the camera 4 for acquiring image, for assembling light and by photographic subjects
Optical imagery is imaged on the camera lens 5 on the CCD/CMOS sensor surface of camera, for providing the light source 8 of illumination and for acquiring
The image pick-up card 6 of target image.
Described image acquisition system 1 and the laser marking system 2 are connected with computer 3 respectively；Described image acquisition system
Light source 7, camera lens 4 and camera 3 in system 1 are connected on fixed bracket 6 by fixed device；The light source 7 uses light-emitting diodes
Pipe；The paper extraction packaging is sent to laser marking system 2 by conveyer system 11.
Camera lens 5 and the collocation of camera 4 in described image acquisition system 1 get up, the imaging for product；Described image acquisition
Optical imagery received by imaging sensor is converted the electric signal that computer system 3 can be handled by card 6；The paper extraction packet
Filling easy-torn line detection vision detection system is a real-time detecting system, i.e. the target image Image Acquisition system that passes through the system
System 1 obtains and is transferred to computer 3, and then image is handled and detected by the image processing module part of computer 3.
The laser marking system 2 includes laser marking machine 12 and mark machine controller 13, the mark machine controller 13
According to the position of the signal control laser marking machine 12 received.
The computer 3 includes: control and processing module, light intensity detection module, camera model, image buffer storage module, figure
As processing module, communication interface modules and upper computer module；The light intensity detection module, camera model and image buffer storage module with
The control is electrically connected with processing module, and the communication interface modules is electrically connected with the upper computer module；The light intensity inspection
The output end for surveying module is connected with the input terminal of the camera model, and the output end and described image of the camera model cache mould
The input terminal of block is connected, and the output end of described image cache module is connected with the input terminal of described image processing module, the figure
As processing module is connected with the communication interface.
The control is used to configure the parameter of the camera model with processing module, gives light intensity detection module input letter
Number and time for exposure of the camera model is configured by the light intensity signal of detection feedback, then the camera model is acquired
Image carry out Data Format Transform, caching to described image cache module and carry out target analyte detection, finally will test knot
Fruit is uploaded to the upper computer module by communication interface modules and is shown；
The light intensity detection module is used to detect the light intensity of 4 shooting environmental of camera and is converted into corresponding light intensity signal input
Control and processing module；
The camera model is used to for the image of acquisition being converted into corresponding image data and is input to the control and processing mould
Block；The camera model uses polyphaser mode；The target image pass through first camera 4 to paper extraction packaging 10 three faces into
Row is taken pictures, and the positioning of direct picture is positioned according to the size of target area after image procossing, the image on the left side and the right side
Positioning is positioned using the method for template matching, and the aims of systems framing block diagram is referring to Fig. 3；
Described image cache module is used to cache the gray processing data of the image of the camera model acquisition；
The upper computer module, using industrial computer, for show paper extraction packaging region position and the paper extraction packet
Fill the marking area of easy-torn line；
Described image processing module part includes: measurement module, control module, display module and statistical analysis module；For right
Automatic measurement, automatic positioning and the coordinate statistical analysis of target image；Described image processing module controls camera acquisition figure first
Then picture carries out image procossing to the image of acquisition, finally shows processing result, and result is fed back to laser and is beaten
Mark machine controller 13.
Further, described image is handled specifically: after paper extraction, which is packed, reaches measured zone, is issued and is believed by sensor 9
Number give computer 3, computer 3 start process of measurement execute respectively Image Acquisition, pretreatment, edge feature extract, parameter calculate
Measurement data storage is exported into database, and by measurement result to mark machine controller 13 afterwards, by mark machine controller 13
Control the engraving that laser marking machine 12 carries out easy-torn line.
The conveyer system 11 includes: motor, conveyer belt, belt, live-roller and support frame, and the output shaft of the motor is logical
It crosses belt and drives live-roller rotation, so that transmission belt be made to carry out uniform motion, the belt is covered in above live-roller, the biography
Dynamic roller installation is on the support frame.
Embodiment two
According to Fig. 3, described image positioning specifically: positioning is that the method based on target shape feature carries out for direct picture
Positioning, the central point of target image is first found out, the central point of target is then obtained again during real-time detection, calculates
The affine transformation of two coordinate points: for side image, first according to detection target drawing template establishment, then in the process of real-time detection
It is middle that template is found according to the target scene of acquisition, the affine transformation of two images is calculated, is then made respectively at the edge of target
Grayvalue profile line, system can extract out object edge according to the method for one-dimensional edge extracting, real-time according to the position of line
During detection, after completing target positioning, schemed according to affine transformation in the first step as a result, calculating grayvalue profile line
Position as in, it is final to obtain marginal point coordinate；During system operation, after carrying out primary positioning and drawing template establishment,
Data will be saved, so these steps only need to do once, and the processing to target image, template matching and target positioning
It is that detection will carry out each time, because system is real time execution, target image is obtained in real time by camera, from acquisition one
Width image is analyzed to processing, is obtained as a result, end detection, is exactly a cyclic process.
Vision detection system is communicated with laser marking system by WM_COPYDATA message mechanism in system of the present invention, respectively
By serial communication between system, module, after paper extraction, which is packed, reaches picture-taking position, the laser marking program in computer 3 is first
First pass through the easy-torn line view that message mechanism sends character string " T " to easy-torn line visual program, after receiving instruction, in computer 3
To feel process control light source controller, makes two light sources while lighting, the camera that computer 3 connects later acquires product image, and
Easy-torn line position is extracted, all coordinate informations are issued according to specified format to the laser stamper in computer 3.
The vision detection system of paper extraction packaging easy-torn line of the present invention, using machine vision technique combination laser marking
Technology positions target when passing through image procossing, accurately obtains product coordinate, is then passed to laser marking system,
The mark location for adjusting easy-torn line, guarantees that the position of easy-torn line does not have deviation, improves the machining accuracy of easy-torn line.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (9)
1. a kind of vision detection system of the easy-torn line of paper extraction packaging, it is characterised in that: the system comprises: image capturing system
(1), laser marking system (2), computer (3) and conveyer system (11)；Described image acquisition system (1) obtains image information simultaneously
And computer (3) are transferred to, then image is detected and handled by computer (3)；Pass through the image procossing of computer (3)
Module positions accurately to obtain product coordinate target, is then passed to laser marking system (2), adjusts easy-torn line
The location parameter of mark.
2. a kind of vision detection system of the easy-torn line of paper extraction packaging according to claim 1, it is characterised in that: the figure
As acquisition system (1) include: for acquiring the camera of image (4), for assemble light and by the optical imagery of photographic subjects at
As the camera lens (5) on the CCD/CMOS sensor surface of camera, for providing the light source (8) of illumination and for acquiring target figure
The image pick-up card (6) of picture.
3. a kind of vision detection system of the easy-torn line of paper extraction packaging according to claim 2, it is characterised in that: the figure
As acquisition system (1) and the laser marking system (2) are connected with the computer (3) respectively；Described image acquisition system (1)
In light source (7), camera lens (4) and camera (3) be connected on fixed bracket (6) by fixed device；The light source (7) is using hair
Optical diode；The paper extraction packaging is sent to laser marking system (2) by conveyer system (11).
4. a kind of vision detection system of the easy-torn line of paper extraction packaging according to claim 1, it is characterised in that: described to swash
Light marking system (2) includes laser marking machine (12) and mark machine controller (13), and mark machine controller (13) basis connects
The position of signal control laser marking machine (12) received.
5. a kind of vision detection system of the easy-torn line of paper extraction packaging according to claim 1, it is characterised in that: the meter
Calculation machine (3) includes: control and processing module, light intensity detection module, camera model, image buffer storage module, image processing module, leads to
Believe interface module and upper computer module；The light intensity detection module, camera model and image buffer storage module and the control with
Processing module electrical connection, the communication interface modules are electrically connected with the upper computer module.
6. a kind of vision detection system of the easy-torn line of paper extraction packaging according to claim 5, it is characterised in that: the light
The output end of strong detection module is connect with the input terminal of the camera model, and the output end and described image of the camera model are slow
The input terminal of storing module connects, and the output end of described image cache module is connect with the input terminal of described image processing module, institute
Image processing module is stated to connect with the communication interface.
7. a kind of vision detection system of the easy-torn line of paper extraction packaging according to claim 5, it is characterised in that: the control
System is used to configure the parameter of the camera model with processing module, to the light intensity detection module input signal and passes through detection
The light intensity signal of feedback configures the time for exposure of the camera model, and the image for then acquiring the camera model carries out data
Format conversion caches to described image cache module and carries out target analyte detection, finally will test result and passes through communication interface
Module is uploaded to the upper computer module and is shown；
The light intensity detection module is used to detect the light intensity of the camera (4) shooting environmental and to be converted into corresponding light intensity signal defeated
Enter control and processing module；
The camera model is used to for the image of acquisition being converted into corresponding image data and is input to the control and processing mould
Block；The camera model uses polyphaser mode；The target image passes through three that camera (4) packs (10) to paper extraction first
Face is taken pictures, and the positioning of direct picture is positioned according to the size of target area after image procossing, the left side and the right side
Framing is positioned using the method for template matching；
Described image cache module is used to cache the gray processing data of the image of the camera model acquisition；
The upper computer module, using industrial computer, for show paper extraction packaging region position and the paper extraction packet
Fill the marking area of easy-torn line；
Described image processing module part includes: measurement module, control module, display module and statistical analysis module；For right
Automatic measurement, automatic positioning and the coordinate statistical analysis of target image；Described image processing module controls camera acquisition figure first
Then picture carries out image procossing to the image of acquisition, finally shows processing result, and result is fed back to laser and is beaten
It marks machine controller (13).
8. a kind of vision detection system of the easy-torn line of paper extraction packaging according to claim 1, it is characterised in that: the figure
As processing specifically: after paper extraction, which is packed, reaches measured zone, send a signal to computer (3), computer by sensor (9)
(3) starting process of measurement stores measurement data after executing Image Acquisition, pretreatment, edge feature extraction, parameter calculating respectively
Into database, and measurement result is exported and gives mark machine controller (13), controls laser marking by mark machine controller (13)
The engraving of machine (12) progress easy-torn line.
9. a kind of vision detection system of the easy-torn line of paper extraction packaging according to claim 1, it is characterised in that: the biography
Sending system (11) includes: motor, conveyer belt, belt, live-roller and support frame, and the output shaft of the motor is driven by belt to be passed
Dynamic roller rotation, so that transmission belt be made to carry out uniform motion, the belt is covered in above live-roller, and the live-roller is mounted on branch
On support.
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| CN201811334763.4A CN109514922A (en) | 2018-11-10 | 2018-11-10 | A kind of vision detection system of the easy-torn line of paper extraction packaging |
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| CN201811334763.4A CN109514922A (en) | 2018-11-10 | 2018-11-10 | A kind of vision detection system of the easy-torn line of paper extraction packaging |
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| CN111223075A (en) * | 2019-12-28 | 2020-06-02 | 深圳市诺亚云谷科技有限公司 | Computer vision detection and tracing system and method for laser marking software |
| CN111619156A (en) * | 2020-05-22 | 2020-09-04 | 重庆联大包装制品有限公司 | Control system and control method for product packaging box production |
| CN111761237A (en) * | 2020-06-28 | 2020-10-13 | 青岛顺信包装制品有限公司 | Laser marking machine easy to tear line |
| CN112091434A (en) * | 2019-06-18 | 2020-12-18 | 广州翔声智能科技有限公司 | Laser marking method and laser marking system |
| CN114043773A (en) * | 2021-10-11 | 2022-02-15 | 广东旺盈环保包装科技有限公司 | High-precision gift box code spraying device and code spraying method thereof |
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Application publication date: 20190326 |