CN105675614A - Packaging bag sealing quality detection device and method - Google Patents
Packaging bag sealing quality detection device and method Download PDFInfo
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- CN105675614A CN105675614A CN201610094363.5A CN201610094363A CN105675614A CN 105675614 A CN105675614 A CN 105675614A CN 201610094363 A CN201610094363 A CN 201610094363A CN 105675614 A CN105675614 A CN 105675614A
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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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
- G01B11/25—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. one or more lines, moiré fringes on the object
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Abstract
The invention provides a packaging bag sealing quality detection device and method. The device comprises a light projection device, an image collection device and a processor, wherein the light projection device is used for projecting light to a sealing area of a to-be-detected packaging bag so that the sealing area of the to-be-detected packaging bag can form an image on the image collection device, the image collection device is used for obtaining the image, and the processor is used for obtaining a sealing quality detection result according to the image; the light projection device corresponds to the image collection device, and the output of the image collection device is connected with the input of the processor. The method comprises the steps that the detection device obtains the image of the sealing area of the to-be-detected packaging bag, and according to the image, the sealing quality detection result is obtained. According to the detection device and method, the sealing quality problems of the packaging bag can be detected, so that labor is relieved, the sealing defects which cannot be observed manually are overcome, and the detection efficiency is improved.
Description
Technical field
The present invention relates to a kind of packaging bag enclosing quality detection apparatus and packaging bag enclosing quality determining method.
Background technology
Packaging bag automatic packaging production line is widely used in the industries such as food, daily use chemicals, agrochemical, can pack the various materials such as liquor, powder, granule, suspending agent. Due to the support bag principle of the air blowing adopted and mechanical chuck, there is a degree of uncontrollability, therefore on actual production line, the defect rate of packaging bags is higher.
And at present the packaging quality on packing bag production line relies primarily on back segment and manually carries out visual inspection. There is detection and have that blind area, verification and measurement ratio are low, speed is slow and data statistics collects the problems such as difficulty in manual detection. Especially, for some sightless sealing defects, for instance invisible folder bag, material folding etc., manually cannot effectively detect especially. It is not specifically designed for the automatic checkout equipment of packaging bags quality at present on the market. The vision-based inspection of present invention proposition and the mode of measurement, have selected stable detection station dexterously, it is possible to eliminates the detection difficult point that packaging bag deformable brings to the full extent; From the critical stage of sealing, the features such as the attitude of packaging bag, sealing state, sealing part implant state are identified automatically, coordinate the measurement detection mode based on structured light simultaneously, sightless sealing defect is carried out effective imaging, thus realizing the quality monitoring of sealing part, improve accuracy of detection and stability.
Summary of the invention
The present invention provides a kind of packaging bag enclosing quality detection apparatus and packaging bag enclosing quality determining method, and this detection equipment can detect the quality problems of packaging bag enclosing, thus having liberated artificial, and solves the sealing defect that manually cannot observe.
First aspect, the present invention provides a kind of packaging bag enclosing quality detection apparatus, including: for the seal region throw light of packaging bag to be measured so that the seal region of described packaging bag to be measured forms the light projecting apparatus of image on image collecting device, for obtaining the image collecting device of described image and for the processor of the testing result according to described Image Acquisition seal quality;
Described light projecting apparatus and described image collecting device are correspondingly arranged, and the output of described image collecting device connects the input of described processor.
Preferably, described light projecting apparatus includes visible ray grenade instrumentation.
Preferably, described light projecting apparatus includes project structured light device.
Preferably, described project structured light device is generating laser.
Second aspect, the present invention provides a kind of packaging bag enclosing quality determining method based on described packaging bag enclosing quality detection apparatus, including:
Obtain the image in packaging bag enclosing region to be measured;
According to described image, obtain the testing result of seal quality.
Preferably, obtain the image in packaging bag enclosing region to be measured, including:
Obtain the visible images in packaging bag enclosing region to be measured;
Correspondingly, according to described image, obtain the testing result of seal quality, including:
Obtain the characteristic information of the first predeterminable area of described visible images;
According to described characteristic information and preset standard characteristic information, obtain the testing result of the seal quality of described packaging bag to be measured.
Preferably, obtain the image in packaging bag enclosing region to be measured, including:
Obtain the visible images in packaging bag enclosing region to be measured;
Correspondingly, according to described image, obtain the testing result of seal quality, including:
Obtain the colouring information of the second predeterminable area of described visible images;
According to described colouring information and preset standard colouring information, obtain the testing result of the seal quality of described packaging bag to be measured.
Preferably, obtain the image in packaging bag enclosing region to be measured, including:
Obtain the structure light image in packaging bag enclosing region to be measured;
Correspondingly, according to described image, obtain the testing result of seal quality, including:
Obtain the three-dimensional information of described structure light image;
According to described three-dimensional information and preset standard three-dimensional information, obtain the testing result of the seal quality of described packaging bag to be measured.
Preferably, obtain the image in packaging bag enclosing region to be measured, including:
Obtain visible images and the structure light image in packaging bag enclosing region to be measured;
Correspondingly, according to described image, obtain the testing result of seal quality, including:
Obtain the characteristic information of the first predeterminable area of described visible images and the three-dimensional information of described structure light image;
According to described characteristic information and preset standard characteristic information, and according to described three-dimensional information and preset standard three-dimensional information, obtain the testing result of the seal quality of described packaging bag to be measured.
Preferably, obtain the image in packaging bag enclosing region to be measured, including:
Obtain visible images and the structure light image in packaging bag enclosing region to be measured;
Correspondingly, according to described image, obtain the testing result of seal quality, including:
Obtain the colouring information of the second predeterminable area of described visible images and the three-dimensional information of described structure light image;
According to described colouring information and preset standard colouring information, and according to described three-dimensional information and preset standard three-dimensional information, obtain the testing result of the seal quality of described packaging bag to be measured.
As shown from the above technical solution, the quality problems of packaging bag enclosing can be detected by the detection equipment of the present invention and detection method, thus having liberated artificial, and solve the sealing defect that manually cannot observe, and improve detection efficiency.
Accompanying drawing explanation
The structural representation of a kind of packaging bag enclosing quality detection apparatus that Fig. 1 provides for one embodiment of the invention;
Fig. 2 is the schematic diagram detecting qualified packaging bag with structured light;
Fig. 3 is the schematic diagram by the internal folder bag of structured light detection or the packaging bag of material folding;
The flow chart of the packaging bag enclosing quality determining method based on described packaging bag enclosing quality detection apparatus that Fig. 4 provides for one embodiment of the invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail. Following example are used for illustrating the present invention, but are not limited to the scope of the present invention.
A kind of packaging bag enclosing quality testing of the present invention be between filling step and the sealing step of the packer of packaging bag transmission step in, the detection equipment of the present invention is arranged in the packer of described packaging bag, in transmission step, the seal region of packaging bag is clamped by clamping plate, in order to sealing is sealed by follow-up sealing process.
The structural representation of a kind of packaging bag enclosing quality detection apparatus that Fig. 1 provides for one embodiment of the invention.
As shown in Figure 1, a kind of packaging bag enclosing quality detection apparatus of the present embodiment, including: for the seal region throw light of packaging bag 1 to be measured so that the seal region of described packaging bag to be measured 1 forms the light projecting apparatus 3 of image on image collecting device 4, for obtaining the image collecting device 4 of described image and for the processor 5 of the testing result according to described Image Acquisition seal quality;
Described light projecting apparatus 3 is correspondingly arranged with described image collecting device 4, and the output of described image collecting device 4 connects the input of described processor 5.
Being arranged on inside the packer of packaging bag based on this detection equipment, internal light is likely to not so good, and therefore described light projecting apparatus 3 can be visible ray grenade instrumentation, to ensure the clear of imaging, and then ensures the accurate of testing result.
Described light projecting apparatus 3 is alternatively project structured light device or includes visible ray grenade instrumentation and project structured light device simultaneously.
Described project structured light device can adopt generating laser, and described image collecting device can adopt camera, such as CCD camera.
In order to reduce the reflective imaging caused interference, it is preferred that described light projecting apparatus is arranged on the oblique upper of clamping plate 2.
The flow chart of a kind of packaging bag enclosing quality determining method based on described packaging bag enclosing quality detection apparatus that Fig. 4 provides for one embodiment of the invention.
The present invention preferably has just completed to fill in packaging bag, and bag mouth is in the momentary status after being sufficiently tensile to carry out, can pause for some time in transmittance process, do the quality testing of the present invention in during this period, now packaging bag to be measured is in stable condition, easily identify.
A kind of packaging bag enclosing quality determining method based on described packaging bag enclosing quality detection apparatus as shown in Figure 4, including:
S11, obtain the image in packaging bag enclosing region to be measured;
S12, according to described image, obtain the testing result of seal quality.
It is understood that described packaging bag enclosing region not only includes packaging bag enclosing part, it is also possible to background area (region except packaging bag) can be included.
First kind of way: described step S11, including:
Obtain the visible images in packaging bag enclosing region to be measured;
Correspondingly, described step S12, including:
Obtain the characteristic information of the first predeterminable area of described visible images;
According to described characteristic information and preset standard characteristic information, obtain the testing result of the seal quality of described packaging bag to be measured.
Described first predeterminable area can set that as packaging bag top edge, the characteristic information taked can be bag border slope, border seriality, border curvature etc., then corresponding, the standard feature information preset is the information such as the qualified slope of packaging bag coboundary, seriality and border curvature, by this analysis, can detect that the defects such as packing bag mouth inclination, bag mouth downward shift, it is achieved to the detection not having the quality problems such as sealing, sealing gas leakage.
Described first predeterminable area may also be set to the bag mouth upper area of packaging bag, the characteristic information taked is the information such as the boundary position of bag mouth, color space, the standard feature information then preset is the bag mouth boundary position of qualified packaging bag and the colouring information of bag mouth upper area, by this analysis, can detect that the defects such as the folder bag of packaging bag, material folding, it is achieved the detection to seal quality problems such as sealing folder bag, sealing material foldings.
The second way: described step S11, including:
Obtain the visible images in packaging bag enclosing region to be measured;
Correspondingly, described step S12, including:
Obtain the colouring information of the second predeterminable area of described visible images;
According to described colouring information and preset standard colouring information, obtain the testing result of the seal quality of described packaging bag to be measured.
Described second predeterminable area may be set to mouth area (in packaging bag, near the part of bag mouth top edge), correspondingly, described preset standard colouring information is the colouring information in qualified packing bag mouth region, by this analysis, the defect such as bag mouth flange, bag mouth dislocation can be detected, realize sealing uneven, the detection of the quality problems such as sealing flange.
The detection of above-mentioned visible images is all the quality problems that can be shown that on image, but some sightless problems cannot detect, so, the present invention adopts the third mode:
The third mode: described step S11, including:
Obtain the structure light image in packaging bag enclosing region to be measured;
Correspondingly, described step S12, including:
Obtain the three-dimensional information of described structure light image;
According to described three-dimensional information and preset standard three-dimensional information, obtain the testing result of the seal quality of described packaging bag to be measured. Described three-dimensional information can be as obtained the information such as the seriality on bag mouth surface, distance measurements.
Fig. 2 shows the position of laser projections point when qualified packaging bag utilizes structured light to detect, the position of laser projections point when structured light detects when Fig. 3 is then for the internal folder bag of sealing or material folding, the incident point of both laser visible is different, the three-dimensional information of the structure light image obtained also differs, by this three-dimensional information obtained and preset standard three-dimensional information being contrasted, just may know that the internal folder bag of packaging bag or material folding. In Fig. 2 and Fig. 3, project structured light device 31 is arranged on the oblique upper of clamping plate 2.
Segmental defect can only be detected respectively above by visible images and structure light image, jointly be analyzed by visible images and structure light image, can the more quality problems of disposable discovery. Therefore the 4th kind of mode and fifth procedure.
4th kind of mode: described step S11, including:
Obtain visible images and the structure light image in packaging bag enclosing region to be measured;
Correspondingly, described step S12, including:
Obtain the characteristic information of the first predeterminable area of described visible images, and obtain the three-dimensional information of described structure light image;
According to described characteristic information and preset standard characteristic information, and according to described three-dimensional information and preset standard three-dimensional information, obtain the testing result of the seal quality of described packaging bag to be measured.
Or,
Fifth procedure: described step S11, including:
Obtain visible images and the structure light image in packaging bag enclosing region to be measured;
Correspondingly, described step S12, including:
Obtain the colouring information of the second predeterminable area of described visible images and the three-dimensional information of described structure light image;
According to described colouring information and preset standard colouring information, and according to described three-dimensional information and preset standard three-dimensional information, obtain the testing result of the seal quality of described packaging bag to be measured.
This kind of method, in above-mentioned detailed description, no longer describes in detail herein.
The above-mentioned concrete region determined on visible images, when software performs, visible images can be divided into some parts by one end to the other end, and using therein a as the region preset, such as first part is regarded as non-background area above bag mouth, regards as bag mouth top edge by second part ....
Visible, the quality problems of packaging bag enclosing can be detected by the detection equipment of the present invention and detection method, thus having liberated artificial, and solve the sealing defect that manually cannot observe, and improve detection efficiency.
Present invention can be suitably applied to the detection of Self stand bag seal quality and the detection of other packaging bag enclosing quality.
One of ordinary skill in the art will appreciate that: various embodiments above only in order to technical scheme to be described, is not intended to limit; Although the present invention being described in detail with reference to foregoing embodiments, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein some or all of technical characteristic is carried out equivalent replacement; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of the claims in the present invention.
Claims (10)
1. a packaging bag enclosing quality detection apparatus, it is characterized in that, including: for the seal region throw light of packaging bag to be measured so that the seal region of described packaging bag to be measured forms the light projecting apparatus of image on image collecting device, for obtaining the image collecting device of described image and for the processor of the testing result according to described Image Acquisition seal quality;
Described light projecting apparatus and described image collecting device are correspondingly arranged, and the output of described image collecting device connects the input of described processor.
2. equipment according to claim 1, it is characterised in that described light projecting apparatus includes visible ray grenade instrumentation.
3. equipment according to claim 1 and 2, it is characterised in that described light projecting apparatus includes project structured light device.
4. equipment according to claim 3, it is characterised in that described project structured light device is generating laser.
5. the packaging bag enclosing quality determining method based on the packaging bag enclosing quality detection apparatus according to any one of claim 1-4, it is characterised in that including:
Obtain the image in packaging bag enclosing region to be measured;
According to described image, obtain the testing result of seal quality.
6. method according to claim 5, it is characterised in that obtain the image in packaging bag enclosing region to be measured, including:
Obtain the visible images in packaging bag enclosing region to be measured;
Correspondingly, according to described image, obtain the testing result of seal quality, including:
Obtain the characteristic information of the first predeterminable area of described visible images;
According to described characteristic information and preset standard characteristic information, obtain the testing result of the seal quality of described packaging bag to be measured.
7. method according to claim 5, it is characterised in that obtain the image in packaging bag enclosing region to be measured, including:
Obtain the visible images in packaging bag enclosing region to be measured;
Correspondingly, according to described image, obtain the testing result of seal quality, including:
Obtain the colouring information of the second predeterminable area of described visible images;
According to described colouring information and preset standard colouring information, obtain the testing result of the seal quality of described packaging bag to be measured.
8. method according to claim 5, it is characterised in that obtain the image in packaging bag enclosing region to be measured, including:
Obtain the structure light image in packaging bag enclosing region to be measured;
Correspondingly, according to described image, obtain the testing result of seal quality, including:
Obtain the three-dimensional information of described structure light image;
According to described three-dimensional information and preset standard three-dimensional information, obtain the testing result of the seal quality of described packaging bag to be measured.
9. method according to claim 5, it is characterised in that obtain the image in packaging bag enclosing region to be measured, including:
Obtain visible images and the structure light image in packaging bag enclosing region to be measured;
Correspondingly, according to described image, obtain the testing result of seal quality, including:
Obtain the characteristic information of the first predeterminable area of described visible images and the three-dimensional information of described structure light image;
According to described characteristic information and preset standard characteristic information, and according to described three-dimensional information and preset standard three-dimensional information, obtain the testing result of the seal quality of described packaging bag to be measured.
10. method according to claim 5, it is characterised in that obtain the image in packaging bag enclosing region to be measured, including:
Obtain visible images and the structure light image in packaging bag enclosing region to be measured;
Correspondingly, according to described image, obtain the testing result of seal quality, including:
Obtain the colouring information of the second predeterminable area of described visible images and the three-dimensional information of described structure light image;
According to described colouring information and preset standard colouring information, and according to described three-dimensional information and preset standard three-dimensional information, obtain the testing result of the seal quality of described packaging bag to be measured.
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| CN201610094363.5A CN105675614A (en) | 2016-02-19 | 2016-02-19 | Packaging bag sealing quality detection device and method |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106353051A (en) * | 2016-08-12 | 2017-01-25 | 湖北周黑鸭食品工业园有限公司 | Sealing detecting equipment and method |
| CN106959249A (en) * | 2017-05-12 | 2017-07-18 | 亿信标准认证集团有限公司 | A kind of detector for testing packaging for foodstuff tear resistance |
| CN107219121A (en) * | 2017-05-12 | 2017-09-29 | 亿信标准认证集团有限公司 | A kind of smart electronicses tensile tester of packaging for foodstuff |
| CN109974612A (en) * | 2017-12-27 | 2019-07-05 | 安慕斯科技有限公司 | A kind of detection system of the paper article packaging bag with open arc side opening |
| 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 |
| CN112508935A (en) * | 2020-12-22 | 2021-03-16 | 郑州金惠计算机系统工程有限公司 | Product packaging detection method and system based on deep learning and product packaging sorting system |
| CN113148323A (en) * | 2021-04-06 | 2021-07-23 | 马鞍山芯乔科技有限公司 | Visual identification structure for positioning mark of soft package sealing |
| WO2022021806A1 (en) * | 2020-07-30 | 2022-02-03 | 冉浩 | Packaging bag unequal edge defect automatic detection system and method |
| CN114648521A (en) * | 2022-04-02 | 2022-06-21 | 武汉旻一数字科技有限公司 | Wisdom mill production on-line monitoring analytic system based on machine vision |
| CN117152088A (en) * | 2023-09-01 | 2023-12-01 | 北京奥乘智能技术有限公司 | Method, device, equipment and storage medium for detecting seal of medicine package |
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| CN113148323A (en) * | 2021-04-06 | 2021-07-23 | 马鞍山芯乔科技有限公司 | Visual identification structure for positioning mark of soft package sealing |
| CN113148323B (en) * | 2021-04-06 | 2024-04-23 | 马鞍山芯乔科技有限公司 | Visual identification structure for positioning mark of soft package seal |
| CN114648521A (en) * | 2022-04-02 | 2022-06-21 | 武汉旻一数字科技有限公司 | Wisdom mill production on-line monitoring analytic system based on machine vision |
| CN114648521B (en) * | 2022-04-02 | 2022-12-20 | 北京国联视讯信息技术股份有限公司 | Wisdom mill production on-line monitoring analytic system based on machine vision |
| CN117152088A (en) * | 2023-09-01 | 2023-12-01 | 北京奥乘智能技术有限公司 | Method, device, equipment and storage medium for detecting seal of medicine package |
| CN117152088B (en) * | 2023-09-01 | 2024-02-06 | 北京奥乘智能技术有限公司 | Method, device, equipment and storage medium for detecting seal of medicine package |
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Application publication date: 20160615 |