CN101975781A - Combined cover on-line quality detection method - Google Patents
Combined cover on-line quality detection method Download PDFInfo
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- CN101975781A CN101975781A CN 201010266945 CN201010266945A CN101975781A CN 101975781 A CN101975781 A CN 101975781A CN 201010266945 CN201010266945 CN 201010266945 CN 201010266945 A CN201010266945 A CN 201010266945A CN 101975781 A CN101975781 A CN 101975781A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/90—Investigating the presence of flaws or contamination in a container or its contents
- G01N21/909—Investigating the presence of flaws or contamination in a container or its contents in opaque containers or opaque container parts, e.g. cans, tins, caps, labels
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
- G01N21/892—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the flaw, defect or object feature examined
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- Chemical & Material Sciences (AREA)
- Pathology (AREA)
- Biochemistry (AREA)
- Immunology (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- General Factory Administration (AREA)
Abstract
The invention discloses a combined cover on-line quality detection system, which is characterized by comprising a special imaging illumination system, a variable focus optical lens, a plurality of industrial digital cameras working in parallel, a real-time image parallel acquisition card, a multi-core CPU parallel operating mechanism and an unaccepted product rejecting mechanism. The invention is characterized in that: the system is tightly matched with the production process of a cover combining machine; quality detection for an inner cover and an outer cover is realized on a combined cover feed rail; the quality of the finished product is detected after the covers are combined; and a logic control unit for rejecting unaccepted product rejects the unaccepted device. The combined cover on-line quality detection system acquires breakthrough in the aspects of the processing of massive concurrent data and the massive graphics technology, so that the detection system can be matched with a high-speed cover combining machine, automatically finishes production, detection, automatic sorting and other processes of the combined cover, monitors the production condition of the system in real time in the production process, automatically alarms and stops in abnormal situations and greatly improves the production yield of the cover combining machine.
Description
Technical field
The present invention relates to a kind of detection method, particularly the quality online test method of combination cover production run.
Background technology
Combination cover is one of Production and Packaging material necessary in the infusion solutions production run, and its demand in the transfusion production run is very big.Under present domestic traditional combination cover mode of production, in order to guarantee the quality of product, need after finish, combination cover use a large amount of workmans to come that combination cover is carried out product quality and detect, the unacceptable product in the combination cover is rejected.There are many drawbacks in this mode, and is low as production efficiency, cost of labor is high, unstable product quality, easily omission, quality are influenced by each testing staff's level of skill.
Summary of the invention
The present invention to be that manual detection speed is slow, efficient is low in order solving, to detect in quality instability, the testing process and introduce secondary pollution problems, a kind of, noncontact synchronous, online with production run is provided, has rejected the online quality determining method of combination cover of unacceptable product automatically.
The present invention is achieved through the following technical solutions:
A, video camera imaging: special light source carries out the online quality testing of inner cap and enclosing cover on the charging track of cover assembling machine, by increasing transparent detection window in orbit, and cooperates special light source, by a plurality of industrial Digital Video imagings;
Special light source is spent the imaging source that evenly throws light on and join full bottom by using top 360, uses the coloured light of different wave length that combination cover is thrown light on;
B, parallel image data acquisition, transmission, processing: after the sensor on the cover assembling machine sends the images acquired signal, inner cap, enclosing cover, three stations of finished product begin images acquired simultaneously, at 3 stations according to the actual detected needs, can use maximum 11 video cameras (containing Varifocal zoom lens) to come images acquired, and each video camera has separately independently, and passage realization image transmit; When image is passed to Computer Processing with data from capture card, used dma mode;
C, unacceptable product is rejected: by calculating and actual verification, obtain the inner cap image acquisition and put the step number C1 at device for eliminating place (code name), and the enclosing cover imaging point is to the step number C2 (code name) at device for eliminating place, the finished product imaging point is to the step number C3 (code name) at device for eliminating place, the every triggering of sensor once, corresponding C 1, C2, the C3 count value subtracts 1, when arriving the rejecting point, 3 count values should be 0, in inciting somebody to action again this moment, enclosing cover, testing of finished products (acceptance or rejection) actuating logic AND-operation, obtain the whether qualified signal of product, reject the action of signal controlling solenoid valve as then sending, unacceptable product is rejected in the unacceptable product case of appointment by pressurized air for unacceptable product.
Because the high speed development of optical image technology and Computer Processing technology, for the online quality testing of high speed based on optical imagery and computer image analysis technology provides strong assurance, the technology of the present invention detects the combination cover outside 360 degree in order to realize, used a plurality of Digital Video simultaneously its surface quality to be detected, and the testing result of each video camera is carried out logical process by computing machine, then unacceptable product is rejected.
This characteristic feature of an invention is the production run close fit with cover assembling machine; cover the quality testing that realizes on the charging track inner cap and enclosing cover in group; and the quality to finished product detects after the group lid is finished; realize at last automatically unacceptable product being rejected; the online quality detecting system of combination cover is being handled a large amount of concurrent data; a large amount of graph technology aspects have obtained breakthrough; this detection system can be matched with the high speed cover assembling machine; finish combination cover production; detect; automatically sort process is integrated; and real-time monitoring system operation conditions in process of production; system reports to the police automatically and shuts down when abnormal conditions occurring, has improved the production qualification rate of cover assembling machine greatly.In order to realize the parallel processing of a large amount of graph datas, this on-line detecting system has utilized quality testing algorithm, high-speed programmable controller of multi-core parallel concurrent technology, hyperthread computing, real-time high-efficiency etc., guaranteed to cover the online quality testing of finishing product in the production cycle in each group, and detection system can be automatically and the speed of production of combination cover synchronous, and guarantee under maximal rate still normal steady operation of detection system.
The present invention has following technique effect:
The present invention is a kind of contactless, real-time, online combination cover detection system, in the cover assembling machine production run, realize the quality testing of product and the automatic rejecting of unacceptable product automatically, and can be according to client's quality requirements, revise the quality testing condition of product, to satisfy the harshest quality testing requirement.Proof is used in production by reality, and this quality detecting system can effectively detect following various nonconformance:
Description of drawings
The online quality testing schematic diagram of Fig. 1 combination cover
The online quality testing process of Fig. 2 combination cover synoptic diagram
The special-purpose imaging illuminator of Fig. 3 combination cover
The data acquisition of Fig. 4 parallel image, transmission, handling principle
Fig. 5 unacceptable product is rejected principle
Below in conjunction with accompanying drawing and specifically implementing to the detailed description of the invention.
Embodiment
Fig. 1 and Fig. 2 are the online quality detecting system principle schematic of combination cover of the present invention, comprising several major parts such as the online detection of inner cap, the online detection of enclosing cover, the online detection of finished product, online rejecting mechanisms.This on-line detecting system in the specific implementation, on the charging track of cover assembling machine, carry out the online quality testing of inner cap and enclosing cover, by increasing transparent detection window in orbit, and cooperate special-purpose machine vision light source, for a plurality of industrial Digital Video provide best imaging circumstances.
The special light source that uses in the combination cover imaging is shown in Fig. 3 (the special-purpose imaging illuminator of combination cover), the material of combination cover has determined it to be a kind of translucent image-forming condition, by using the evenly illumination of top 360 degree, and join the imaging source of full bottom, use the coloured light of different wave length that combination cover is thrown light on, different color light is absorbed on combination cover, reflection, after the stack, reached that impurity is outstanding, sharpening, and some interfering picture reductions that combination cover is intrinsic (shade and thickness variation generation as the corner are hacures etc.), for the Computer Analysis in later stage provides best image.
In testing process, the data of a plurality of video cameras are carried out parallel processing in order to realize, detect aspect such as software in data-transmission channel and parallel computation processing unit, picture quality and all done special design and realization, guarantee in the short period of regulation, to finish whole quality testing process.Parallel processing implementation such as Fig. 4 (parallel image data acquisition, transmit, handling principle) described, after the sensor on the cover assembling machine sends the images acquired signal, inner cap, enclosing cover, three stations of finished product begin images acquired simultaneously, at 3 stations according to the actual detected needs, can use maximum 11 video cameras (containing Varifocal zoom lens) to come images acquired, and each video camera has an independently passage realization image transmission, and image is when passing to Computer Processing with data from capture card, used dma mode, to reduce the intervention that real-time controller CPU logarithm reportedly send, more CPU computing power is used for quality testing algorithm and unacceptable product rejecting algorithm.
In order to realize that the total quality of whole combination cover is detected, the product quality that each video camera is responsible for finishing in its monitoring range detects, and when determining that product is whether qualified, with the testing result and the operation of each video camera, determines whether product is qualified final.Get access to the image of each video camera picked-up when real-time computer after, at first image is carried out pre-service, gibberishes such as noise spot that exists in the removal image and noise, the image section that needs are detected positions simultaneously, is partitioned into the image that needs the processing section.Then according to the gray-scale value characteristics of image, image is carried out binary conversion treatment, by analysis processing procedures such as regional morphology, from image, get access to the impurity data message, at last judge according to the geometric properties of impurity and the impurity examination criteria of setting whether this camera test section is qualified, after the view data of handling each camera, hand over product to reject part each testing result and carry out the automatic rejecting of unacceptable product.
For final unacceptable product of realizing rejecting in the combination cover product, designed a cover unacceptable product and rejected logical algorithm and rejecting mechanism.Because the detection position of inner cap and enclosing cover and the detection position of finished product are different with the final position that defective device is rejected, and inner cap, enclosing cover, finished product have nothing in common with each other to the step number of rejecting the position, whether qualified reject logical algorithm has guaranteed that the testing result of each video camera can be reflected to accurately and has finally judged on product the control signal, and this signal passed to programmable logic controller (PLC), mechanical operating part is rejected in control, realizes unacceptable product is rejected.
Claims (2)
1. online quality determining method of combination cover, it is characterized in that this method comprises the steps: A, video camera imaging: on the charging track of cover assembling machine, carry out the online quality testing of inner cap and enclosing cover, by increasing transparent detection window in orbit, and the cooperation special light source, by a plurality of industrial Digital Video imagings;
B, parallel image data acquisition, transmission, processing: after the sensor on the cover assembling machine sends the images acquired signal, inner cap, enclosing cover, three stations of finished product begin images acquired simultaneously, at 3 stations according to the actual detected needs, can use maximum 11 video cameras to come images acquired, and each video camera has separately independently, and passage realization image transmit; When image is passed to Computer Processing with data from capture card, used dma mode;
C, unacceptable product is rejected: by calculating and actual verification, obtain the inner cap image acquisition and put the step number value C1 at device for eliminating place, and the enclosing cover imaging point is to the step number value C2 at device for eliminating place, the finished product imaging point is to the step number value C3 at device for eliminating place, the every triggering of sensor once, corresponding C 1, C2, the C3 count value subtracts 1, when arriving the rejecting point, 3 count values should be 0, in inciting somebody to action again this moment, enclosing cover, testing of finished products actuating logic AND-operation, obtain the whether qualified signal of product, reject the action of signal controlling solenoid valve as then sending, unacceptable product is rejected in the unacceptable product case of appointment by pressurized air for unacceptable product.
2. the online quality determining method of combination cover as claimed in claim 1 is characterized in that the special light source of this method is meant by using top 360 to spend the imaging source that evenly throws light on and join full bottom, uses the coloured light of different wave length that combination cover is thrown light on.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010266945 CN101975781A (en) | 2010-08-31 | 2010-08-31 | Combined cover on-line quality detection method |
| PCT/CN2010/001735 WO2012027869A1 (en) | 2010-08-31 | 2010-11-01 | Online quality detection method for closure assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010266945 CN101975781A (en) | 2010-08-31 | 2010-08-31 | Combined cover on-line quality detection method |
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| CN101975781A true CN101975781A (en) | 2011-02-16 |
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| CN 201010266945 Pending CN101975781A (en) | 2010-08-31 | 2010-08-31 | Combined cover on-line quality detection method |
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| CN (1) | CN101975781A (en) |
| WO (1) | WO2012027869A1 (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102249086A (en) * | 2011-03-25 | 2011-11-23 | 江苏连港皮革机械有限公司 | Leather sorting system and use method thereof |
| CN102879402A (en) * | 2012-10-10 | 2013-01-16 | 北新集团建材股份有限公司 | Image detection control method for sheet material defects |
| CN103159154A (en) * | 2011-12-08 | 2013-06-19 | 苏州工业园区高登威科技有限公司 | Medicine bottle cap body installing method |
| CN103185729A (en) * | 2011-12-29 | 2013-07-03 | 百励科技股份有限公司 | Appearance inspection apparatus and execution method thereof |
| CN103737416A (en) * | 2013-11-27 | 2014-04-23 | 耐世特凌云驱动系统（芜湖）有限公司 | Abnormal scraped product isolation box |
| CN104297162A (en) * | 2014-09-17 | 2015-01-21 | 宁波高新区晓圆科技有限公司 | Multi-wavelength and multi-position visual inspection method |
| CN105115972A (en) * | 2015-08-24 | 2015-12-02 | 北京慧眼智行科技有限公司 | Printing detection system and method |
| CN105335780A (en) * | 2014-08-14 | 2016-02-17 | 夏志刚 | Card counting method |
| CN105335779A (en) * | 2014-08-14 | 2016-02-17 | 夏志刚 | Card counter and method for counting cards by using same |
| CN105572139A (en) * | 2015-12-07 | 2016-05-11 | 沈阳工业大学 | Method and system for detecting cup plug machining errors on basis of binocular vision |
| CN113663867A (en) * | 2020-05-15 | 2021-11-19 | 宁波舜宇光电信息有限公司 | Dispensing equipment and method, electronic equipment and medium for executing method |
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| WO1990002937A1 (en) * | 1988-09-16 | 1990-03-22 | Owens-Illinois Glass Container Inc. | Inspection of container finish |
| JP2000118515A (en) * | 1998-10-14 | 2000-04-25 | Shimizu City Nogyo Kyodo Kumiai | Method and device for inspecting cap body fitting |
| JP4381723B2 (en) * | 2003-06-04 | 2009-12-09 | 倉敷紡績株式会社 | Cap appearance inspection device |
| US7800009B2 (en) * | 2007-10-30 | 2010-09-21 | Logical Systems Incorporated | Air separator conveyor and vision system |
| CN101565109A (en) * | 2008-04-23 | 2009-10-28 | 上海新先锋药业有限公司 | Aluminum cap packaging online detection system in medical powder injection production based on mechanical vision |
| CN101799431B (en) * | 2010-04-08 | 2012-01-04 | 湖南大学 | Machine visual on-line detection method and equipment for tank cover quality in high-speed production line |
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- 2010-08-31 CN CN 201010266945 patent/CN101975781A/en active Pending
- 2010-11-01 WO PCT/CN2010/001735 patent/WO2012027869A1/en active Application Filing
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102249086A (en) * | 2011-03-25 | 2011-11-23 | 江苏连港皮革机械有限公司 | Leather sorting system and use method thereof |
| CN103159154A (en) * | 2011-12-08 | 2013-06-19 | 苏州工业园区高登威科技有限公司 | Medicine bottle cap body installing method |
| CN103185729A (en) * | 2011-12-29 | 2013-07-03 | 百励科技股份有限公司 | Appearance inspection apparatus and execution method thereof |
| CN102879402A (en) * | 2012-10-10 | 2013-01-16 | 北新集团建材股份有限公司 | Image detection control method for sheet material defects |
| CN102879402B (en) * | 2012-10-10 | 2015-01-14 | 北新集团建材股份有限公司 | Image detection control method for sheet material defects |
| CN103737416A (en) * | 2013-11-27 | 2014-04-23 | 耐世特凌云驱动系统（芜湖）有限公司 | Abnormal scraped product isolation box |
| CN105335779A (en) * | 2014-08-14 | 2016-02-17 | 夏志刚 | Card counter and method for counting cards by using same |
| CN105335780A (en) * | 2014-08-14 | 2016-02-17 | 夏志刚 | Card counting method |
| CN105335779B (en) * | 2014-08-14 | 2018-03-02 | 夏志刚 | Number card device and the method for entering line number card using several card devices |
| CN105335780B (en) * | 2014-08-14 | 2018-11-09 | 夏志刚 | Number chucking method |
| CN104297162A (en) * | 2014-09-17 | 2015-01-21 | 宁波高新区晓圆科技有限公司 | Multi-wavelength and multi-position visual inspection method |
| CN105115972A (en) * | 2015-08-24 | 2015-12-02 | 北京慧眼智行科技有限公司 | Printing detection system and method |
| CN105572139A (en) * | 2015-12-07 | 2016-05-11 | 沈阳工业大学 | Method and system for detecting cup plug machining errors on basis of binocular vision |
| CN105572139B (en) * | 2015-12-07 | 2018-02-02 | 沈阳工业大学 | Bowl Plug mismachining tolerance detecting system and detection method based on binocular vision |
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| Publication number | Publication date |
|---|---|
| WO2012027869A1 (en) | 2012-03-08 |
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Open date: 20110216 |