CN104417788A - Small-sized packing horizontal sealing detection method and small-sized packing horizontal sealing detection system having quality tracing function - Google Patents
Small-sized packing horizontal sealing detection method and small-sized packing horizontal sealing detection system having quality tracing function Download PDFInfo
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- CN104417788A CN104417788A CN201310372850.XA CN201310372850A CN104417788A CN 104417788 A CN104417788 A CN 104417788A CN 201310372850 A CN201310372850 A CN 201310372850A CN 104417788 A CN104417788 A CN 104417788A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B57/00—Automatic control, checking, warning, or safety devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
- B65B51/10—Applying or generating heat or pressure or combinations thereof
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/70—Determining position or orientation of objects or cameras
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30108—Industrial image inspection
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- Computer Vision & Pattern Recognition (AREA)
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Abstract
The invention discloses a small-sized pack horizontal sealing detection method and a small-sized pack horizontal sealing detection system having quality tracing function in order to provide a high-efficiency, accurate and traceable packing detection method for industries such as pharmacy, foods and the like. A lens and an industrial video camera are arranged between a packaging bag and a backboard of a small-sized packaging machine; a light source is arranged at a proper position; after the small-sized packaging machine implements horizontal sealing, the industrial video camera is triggered to acquire images around a horizontal sealed part and send the images to an industrial personal computer to detect the quality of the horizontal sealed part. The method and the system disclosed by the invention are used for detecting the quality by utilizing the digital image information of the horizontal sealed part in the small-sized packing, and solving the problem that a manual or traditional detection method cannot be adaptive to high-speed rotation of an existing small-sized packaging machine. 100% total inspection on quality of the horizontal sealed part is realized without influencing the operating speed of the small-sized packaging machine.
Description
Technical field
The invention belongs to detection field, relate to the packaging detection of the industry such as pharmacy, food, especially a kind of pouch-packaged horizontal sealing detection and quality tracing method of inspection and checking system.
Background technology
The packing of product, particularly Key works Drug packing, not only seal protection product, and as the main path of the important information carrier such as product batch number and shelf-life, be a part for the quality guarantee of medicine, in widespread attention.This point have also been obtained and fully demonstrates in " good practices in the manufacture and quality control of drugs (revision in 2010) " (new edition GMP).New edition GMP the 209 article regulation: the information (as batch number or subject word) printing separately or print online in packaging process all should check, guarantees that it is correct, and gives record.Article 212, specify: on packing, the content of printing or mold pressing should be clear, not fugitive color and erasing.Afore mentioned rules proposes very high requirement to the detection in Key works Drug packing process.
But must see, the automation of package packing machine substantially increases production efficiency, but also makes traditional manual detection means cannot adapt to the speed of increasingly automated packaging production, and problem becomes increasingly conspicuous.For this reason, in-depth study, exploration can adapt to the detection means of existing high-speed packaging device preferably, are that a period of time needs one of problem conscientiously tackled to pharmacy corporation from now on.
At this, " medical industry " 12 " development program " is for we specify the direction of effort.This planning Article 9 is mentioned in " improving the medical industry level of IT application ": by improving production process information level, promote the digital improvement of leechdom production line and quality testing facility, realize whole process automatic data collection to control, realize the traceability of product design.
For pouch-packaged horizontal sealing quality testing involved in the present invention, manual detection method cannot adapt to the running velocity of little bag automatic packaging unit more at a high speed, and meanwhile, the accuracy of manual detection is difficult to guarantee and reaches unified standard, labor intensity of operating staff is large, easily tired.In addition, in today that labor cost rises steadily, the cost of manual detection also becomes all the more and can't neglect.On the other hand, conventional employing water is Detecting medium or other method of inspection means adopting pressure change, due to it, to detect required time longer, and check implement cannot with wrapping machine from the reason such as being dynamically connected, therefore also cannot realize that new edition GMP requires online 100% all detects.
And the graphicinformation of testee can be caught based on the detection technique of machine vision at high speed because of it, and certain the aspect feature of the testee shown by analysis chart picture, thus can solve the problem.Namely utilize state-of-the-art machine vision technique in real time, without the horizontal sealing quality testing carried out with omitting in the pouch-packaged process of medicine etc., and by linking with package packing machine, to be rejected from manufacturing line by off-grade, thus solve the problem preferably.
Meanwhile, the foundation that the digital image in the horizontal sealing region obtained in testing process can also be reviewed as quality testing, thus the materia medica packaging quality realizing requiring in new edition GMP detects and can review, for enterprise carries out the technical support that new edition GMP certification provides strong.
Following relevant open source literature is found through detecting.
A kind of tobacco package method of inspection and device (CN100491988) thereof, it in cigarette package process, adopts the packaging defect of X-ray scanning technology for detection tobacco or rolls the method for defect, be mainly and install an elongate slit additional in the front end of x ray generator, thus make X-ray by forming a thin fan-shaped plan light beam after slit, this fan-shaped plan light beam is adopted to carry out line sweep to cigarette package, and the X-ray after adopting the detector that directly can receive X-ray to receive transmission, the perspective digital image of cigarette package is obtained after treatment on industrial computer, thus can identify that the FCL in this detected cigarette package lacks the scarce bag of bar, whole piece lacks scarce of bag, scarce of whole bag or other packaging, roll the quality problems of middle generation, to utilize removing equipment to reject off-grade.Hinge structure, the principle of the invention and simple and reasonable, highly sensitive, dynamic detection, and detected image is accurate.
A kind of medicine bottle package inspection device (CN201615889U), comprise housing assembly, governor, motor and retarder, transmission device, load-transfer device, camera, light source, light source regulating control, sensor, reflecting plate, rejecting mechanism, collection bottle dish, monitor operating system, from A-P, collection bottle dish is installed on the left of housing assembly, motor and retarder, governor, reflecting plate, light source, light source regulating control, from A-P, rejecting mechanism is installed on the right side of housing assembly, camera, sensor, transmission device and load-transfer device is mounted with in housing assembly, transmission device is connected with the motor be fixed on the left of housing assembly and retarder, and light source and camera are mounted opposite, collection bottle dish and rejecting mechanism are mounted opposite.This device can S. A., also can assemble online use, be applicable to the detection of the amount of liquid medicine of glass bottle packaging, lot number, label and sealing, it has, and structure is simple, processing ease, working process steadily, the feature such as testing result accurate stable, can raise labour productivity, reduce labor intensity.
The checking system (US1934439) of a kind of sealing area for detecting blister package and/or amount filling level, described system comprises image pick-up device and provides image pick-up device; The described blister package that adhering to cover cap is provided in the visual field of described image pick-up device; The gray level of described sealing area is carried out imaging and determined, and the gray level of imaging and predetermined gray level value are compared; And if the gray level of imaging is identical in fact with predetermined gray level value, by the detection of described blister package, if or the gray level of imaging not identical in fact with predetermined gray level value, not by the detection of described blister package.
A kind of full automatic two-way carton package battery checker (CN102107189A), comprise: carton connecting gear parts, automatic stamper parts, the automatically side's of drawing manipulator part, clamping transmit carton envelope lower bottom cover manipulator part, carton half-twist pusher exports cassette loading mechanism parts, carton transmission automatic sealing package upper cover manipulator part and automated intelligent to piece installing position parts, gauging of products and to weigh battery checker parts, be arranged on large deck plate with upper-part, controlled by PLC system.Present invention achieves carton forming, gauging of products packaging and grouping system process automation of weighing, can guarantee that each box accurately loads requirement product, carton package is good, reliably can reject the many dresses of product, less dress, different in size causing load in mixture and fill the nonconformity packing boxes such as ghost, improve the precision of Packing Unit aobviously, promote packaging quality and work efficiency, alleviate labor strength and operation number, realize Packaging-Checking Based modernization.
Through comparative analysis, there is relatively big difference in above public technology and present patent application.
Summary of the invention
The object of the invention is to overcome deficiency that is artificial and common detection methods, provide that a kind of detection efficiency is high, high, the lower-cost pouch-packaged horizontal sealing detection of good reliability, accuracy and quality tracing method of inspection and checking system.
The present invention solves its technical matters and takes following technical scheme to realize:
There is a pouch-packaged horizontal sealing method of inspection for quality tracing function, it is characterized in that:
(1) packaging bag horizontal sealing hot pressing: the pouch-packaged on manufacturing line, after the hot pressing die extruding sealing of wrapping machine, forms horizontal sealing in the horizontal sealing region of adjacent two pouches, and small package bag continues to be transported to subsequent work stations by manufacturing line;
(2) image acquisition: after data acquisition module receives the signal that wrapping machine hot pressing completes, the image capture module be positioned on the manufacturing line of horizontal sealing hot pressing rear starts the image in the horizontal sealing region catching adjacent two pouches, and is sent to industrial computer by data line;
(3) horizontal sealing skin texture detection: after industrial computer receives graphicinformation, the contrast carrying out horizontal sealing texture image detects, and specifically comprises framing, compactness detects and integrity detection;
(4) quality tracing: the result obtained according to horizontal sealing skin texture detection, up-to-standard product proceeds the processing of next step; When there is product off quality, the device for eliminating follow-up to packaging production line transmits control signal, and is rejected by off-grade from manufacturing line.
And, the horizontal sealing skin texture detection that step is (3) described, its concrete steps comprise:
A framing, analyzes the graphicinformation that image capture module gathers, and determines that position in the picture, horizontal sealing region and its textural characteristics value are extracted horizontal sealing region as on-line checkingi and evaluate the foundation of horizontal sealing quality;
B compactness detects, and the image texture characteristic value of the graphicinformation of acquisition module collection is compared with the prior textural characteristics threshold value set, and according to both gap, carries out the Quality estimation of horizontal sealing compactness.
C integrity detection, from the image of image capture module collection, horizontal sealing region is accurately extracted according to textural characteristics, calculate area and the shape facility in horizontal sealing region subsequently, and by with the area in the horizontal sealing region set in advance compared with shape facility threshold value, and according to both difference, judge whether the distribution in horizontal sealing region meets the requirements.
A kind of pouch-packaged horizontal sealing checking system with quality tracing function, comprise packaging production line, wrapping machine hot pressing traverse sealing device, image capture module and device for eliminating, wrapping machine hot pressing traverse sealing device, image capture module, industrial computer and device for eliminating are linked in sequence and are arranged on packaging production line.
Advantage of the present invention and good effect are:
1, the present invention utilizes industrial camera to obtain pouch-packaged horizontal sealing zone digit image as the foundation evaluating its quality, and utilize the relation between the architectural feature of horizontal sealing and leak tightness, problems such as carrying out the detection of horizontal sealing quality, the speed solved between manual detection with high-speed packaging device is not mated, quality testing is unstable.
2, the present invention adopts the digital image in horizontal sealing region as quality testing foundation, and the employing water solving routine is the method for Detecting medium and adopts pressure change method of inspection detection efficiency low, cannot realize the difficult problem that high speed online 100% is examined entirely.The high speed, 100% that native system can realize matching with high speed Small bag packaging machine package speed all detects online.
3, the present invention is by the interlock with Small bag packaging machine, and when there is horizontal sealing product off quality, transmit control signal to Small bag packaging machine, rejected by off-grade from manufacturing line, realize horizontal sealing off-grade zero dispatches from the factory.
4, the digital image in all horizontal sealing regions can be preserved by the present invention, and waits reviewed to the change of functional realiey horizontal sealing quality testing by inquiry.
Accompanying drawing explanation
Fig. 1 is the inventive method diagram of circuit;
Fig. 2 is the system architecture schematic diagram in the present invention;
Fig. 3 is the digital image sample of the seal region of five kinds of different qualities.
Detailed description of the invention
Below in conjunction with accompanying drawing, also by specific embodiment, the invention will be further described, and following examples are descriptive, are not determinate, can not limit protection scope of the present invention with this.
There is a pouch-packaged horizontal sealing method of inspection for quality tracing function, specific as follows:
(1) packaging bag horizontal sealing hot pressing: the pouch-packaged on manufacturing line, after the hot pressing die extruding sealing of wrapping machine, forms horizontal sealing in the horizontal sealing region of adjacent two pouches, and small package bag continues to be transported to subsequent work stations by manufacturing line;
(2) image acquisition: after data acquisition module receives the signal that wrapping machine hot pressing completes, the image capture module be positioned on the manufacturing line of horizontal sealing hot pressing rear starts the image in the horizontal sealing region catching adjacent two pouches, and is sent to industrial computer by data line;
(3) horizontal sealing skin texture detection: after industrial computer receives graphicinformation, the contrast carrying out horizontal sealing texture image detects, and specifically comprise framing, compactness detects and integrity detection, concrete detecting step is as follows:
A framing, analyzes the graphicinformation that image capture module gathers, and determines position in the picture, horizontal sealing region and its textural characteristics value, extracts horizontal sealing region and evaluate the foundation of horizontal sealing quality as on-line checkingi;
B compactness detects, and the image texture characteristic value of the graphicinformation of acquisition module collection is compared with the prior textural characteristics threshold value set, and according to both gap, carries out the Quality estimation of horizontal sealing compactness.Detecting for this data fit default value scope of obtaining, is up-to-standard products; Detecting and obtain data for this and exceed default value, is product off quality.
Compactness detects for detecting the intensity of pouch-packaged by hot pressing die extruding, guarantees the fastness of package encapsulation.
C integrity detection, from the image of image capture module collection, horizontal sealing region is accurately extracted according to textural characteristics, calculate area and the shape facility in horizontal sealing region subsequently, and by with the area in the horizontal sealing region set in advance compared with shape facility threshold value, and according to both difference, judge whether the distribution in horizontal sealing region meets the requirements.Detecting for this data fit default value scope of obtaining, is up-to-standard products; This is detected and obtains data and exceed default value, is judged as product off quality.
Whether the horizontal sealing region that horizontal sealing integrity detection is mainly used in neighbouring two pouches not carrying out cutting keeps complete after dicing respectively in two packagings, and there will not be departing from due to horizontal sealing region, cause the horizontal sealing region in one of them pouch large, the incomplete problem in horizontal sealing region of another pouch; This is because when skew occurs in horizontal sealing region, the image texture difference near its border will diminish, thus can differentiate the integraty in the horizontal sealing region after cutting accordingly.
(4) quality tracing: the result obtained according to horizontal sealing skin texture detection, up-to-standard product proceeds the processing of next step; When there is product off quality, the device for eliminating follow-up to packaging production line transmits control signal, and is rejected by off-grade from manufacturing line, and realize horizontal sealing off-grade zero dispatches from the factory, and ensures the preciseness of on-line checkingi, Improving The Quality of Products.
A kind of pouch-packaged horizontal sealing checking system with quality tracing function, comprise the packaging production line for transporting pouch-packaged, wrapping machine hot pressing traverse sealing device for packaging bag horizontal sealing hot pressing, image capture module, for horizontal sealing skin texture detection industrial computer and reject the device for eliminating of product off quality, described wrapping machine hot pressing traverse sealing device, image capture module, industrial computer and device for eliminating are linked in sequence and are arranged on packaging production line.
Wherein image capture module is made up of light source and industrial camera, and described industrial computer comprises framing module, compactness detection module and integrity detection module.
The principle of work of the present patent application and detection example:
Because sealing has himself, the texture namely sealing tight ness rating its image better shown is all the more clear.Otherwise the texture that seal quality its image poorer shows is fuzzyyer.For this reason, detect this difficult problem for pouch-packaged seal quality, this project, from the textural characteristics of seal region digital image, is explored and is utilized digital image texture analytical technology to carry out the detection of seal quality.
Be illustrated in figure 3 the digital image of the seal region of the five kinds of different qualities adopting this method of inspection to obtain.As shown in the figure, No. 1 sample texture is clear, and No. 2 sample texture are the poorest, and from No. 3 samples, texture is progressively clear subsequently.In the characteristic energy to above-mentioned image, entropy, correlativity, the large class of moment of inertia four, amount to 27 kinds of textural characteristics values carry out calculating with analyze after, draw employing three inertia textural characteristics, the readability of sealing image texture can be described more exactly.Analysis result is in table 1.
The analysis of table 1 horizontal sealing image texture characteristic with compare
| Textural characteristics type | Sample 1 | Sample 2 | Sample 3 | Sample 4 | Sample 5 |
| 0 degree of textural characteristics | 1.62011 | 0.25217 | 0.31150 | 0.47009 | 1.41144 |
| 45 degree of textural characteristics | 3.4577 | 0.33547 | 0.45103 | 0.82931 | 1.82184 |
| 90 degree of textural characteristics | 1.96403 | 0.21948 | 0.23466 | 0.38851 | 1.19585 |
| 135 degree of textural characteristics | 2.99528 | 0.37278 | 0.41559 | 0.55494 | 2.82879 |
As shown in table 1, each eigenwert of sample 1 is in 5 samples the highest, and the textural characteristics value of the poor sample No. 2-No. 4 of seal quality is very low, majority is only less than 1/4th of No. 1 sample characteristics, and the eigenwert of the eigenwert of sample 5 and sample 1 is more close.As can be seen from the above results, textural characteristics value can reflect the clean mark degree of image exactly.For this reason, by suitably arranging textural characteristics threshold value, the detection of seal quality just can be carried out very exactly.On the other hand, compared from the eigenwert of sample 1 with sample 5, the method that above-mentioned textural characteristics compares compares for the textural characteristics between the sealing image obtained under different light and has stronger robustness, so this method of inspection can adapt to the change of illumination.Meanwhile, utilize the sealing property of sealing test instrument to No. 1 sample and No. 5 samples to detect, assay shows that the sealing property of these two samples meets the requirement of pouch-packaged completely.
Claims (3)
1. there is a pouch-packaged horizontal sealing method of inspection for quality tracing function, it is characterized in that: concrete steps are as follows:
(1) packaging bag horizontal sealing hot pressing: the pouch-packaged on manufacturing line, after the hot pressing die extruding sealing of wrapping machine, forms horizontal sealing in the horizontal sealing region of adjacent two pouches, and small package bag continues to be transported to subsequent work stations by manufacturing line;
(2) image acquisition: after data acquisition module receives wrapping machine hot pressing settling signal, the image capture module be positioned on the manufacturing line of horizontal sealing hot pressing rear starts the image in the horizontal sealing region catching adjacent two pouches, and is sent to industrial computer by data line;
(3) horizontal sealing skin texture detection: after industrial computer receives graphicinformation, carries out the horizontal sealing quality testing based on horizontal sealing image texture characteristic, specifically comprises framing, compactness detects and integrity detection;
(4) quality tracing: the result obtained according to horizontal sealing skin texture detection, up-to-standard product proceeds the processing of next step; When there is product off quality, the device for eliminating to packaging production line transmits control signal, and is rejected by off-grade from manufacturing line.
2. the pouch-packaged horizontal sealing method of inspection with quality tracing function according to claim 1, is characterized in that: the horizontal sealing skin texture detection that step is (3) described, and its concrete steps comprise:
A framing, analyzes the graphicinformation that image capture module gathers, and determines that position in the picture, horizontal sealing region and its textural characteristics value are extracted horizontal sealing region as on-line checkingi and evaluate the foundation of horizontal sealing quality;
B compactness detects, and the image texture characteristic value of the graphicinformation of acquisition module collection is compared with the prior textural characteristics threshold value set, and according to both gap, carries out the Quality estimation of horizontal sealing compactness.
C integrity detection, from the image of image capture module collection, horizontal sealing region is accurately extracted according to textural characteristics, calculate area and the shape facility in horizontal sealing region subsequently, and by with the area in the horizontal sealing region set in advance compared with shape facility threshold value, and according to both difference, judge whether the distribution in horizontal sealing region meets the requirements.
3. one kind has the pouch-packaged horizontal sealing checking system of quality tracing function, it is characterized in that: comprise packaging production line, wrapping machine hot pressing traverse sealing device, image capture module and device for eliminating, wrapping machine hot pressing traverse sealing device, image capture module, industrial computer and device for eliminating are linked in sequence and are arranged on packaging production line.
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Cited By (7)
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| CN106005538A (en) * | 2016-06-29 | 2016-10-12 | 芜湖市佳谷豆工贸有限公司 | Automatic packaging machine for blocky rice cakes |
| CN106379608A (en) * | 2016-08-31 | 2017-02-08 | 北京京航计算通讯研究所 | Application method of production line of dairy product quality tracing system |
| CN106586136A (en) * | 2017-02-08 | 2017-04-26 | 苏州宝丽洁日化有限公司 | Detection and packaging equipment for wet tissue packaging bags |
| CN107767370A (en) * | 2017-09-30 | 2018-03-06 | 英特尔产品（成都）有限公司 | Utilize the method, apparatus and system of machine vision technique inspection carrier band sealing |
| CN109969491A (en) * | 2017-12-28 | 2019-07-05 | 北京小池原品科技有限公司 | A kind of automatic dust removing folds the paper for daily use packaging method of compression |
| CN111562266A (en) * | 2020-05-19 | 2020-08-21 | 东莞市瑞图新智科技有限公司 | Package quality detection method and package quality detection device |
| CN114820556A (en) * | 2022-05-13 | 2022-07-29 | 东北大学秦皇岛分校 | Method for generating food package flaw sample based on custom algorithm |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109969491A (en) * | 2017-12-28 | 2019-07-05 | 北京小池原品科技有限公司 | A kind of automatic dust removing folds the paper for daily use packaging method of compression |
| CN111562266A (en) * | 2020-05-19 | 2020-08-21 | 东莞市瑞图新智科技有限公司 | Package quality detection method and package quality detection device |
| CN114820556A (en) * | 2022-05-13 | 2022-07-29 | 东北大学秦皇岛分校 | Method for generating food package flaw sample based on custom algorithm |
| CN114820556B (en) * | 2022-05-13 | 2024-05-17 | 东北大学秦皇岛分校 | Custom algorithm-based food packaging flaw sample generation method |
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