CN105319038A - Check method and check apparatus for packaging bag - Google Patents
Check method and check apparatus for packaging bag Download PDFInfo
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- CN105319038A CN105319038A CN201510300737.XA CN201510300737A CN105319038A CN 105319038 A CN105319038 A CN 105319038A CN 201510300737 A CN201510300737 A CN 201510300737A CN 105319038 A CN105319038 A CN 105319038A
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- Prior art keywords
- packaging bag
- article
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- bag
- sealing
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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
- B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
- B65B9/06—Enclosing successive articles, or quantities of material, in a longitudinally-folded web, or in a web folded into a tube about the articles or quantities of material placed upon it
- B65B9/08—Enclosing successive articles, or quantities of material, in a longitudinally-folded web, or in a web folded into a tube about the articles or quantities of material placed upon it in a web folded and sealed transversely to form pockets which are subsequently filled and then closed by sealing
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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
- B65B29/00—Packaging of materials presenting special problems
- B65B29/02—Packaging of substances, e.g. tea, which are intended to be infused in the package
- B65B29/028—Packaging of substances, e.g. tea, which are intended to be infused in the package packaging infusion material into filter bags
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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
- B65B57/10—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of articles or materials to be packaged
- B65B57/12—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of articles or materials to be packaged and operating to control, or stop, the feed of wrapping materials, containers, or packages
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
- G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/50—Detectors
- G01N2223/501—Detectors array
- G01N2223/5015—Detectors array linear array
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/60—Specific applications or type of materials
- G01N2223/643—Specific applications or type of materials object on conveyor
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- Mechanical Engineering (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Container Filling Or Packaging Operations (AREA)
Abstract
The invention relates to a check method and check apparatus for packaging bags. The method includes the steps of accurately determining whether a draw bag accommodated in a packaging bag is clamped in a sealed area; shooting the packaging bag conveyed by a first conveyer through a first shooting device to make the packaging bag fall to a second conveyer so that impact force is applied, wherein the second conveyer is configured in a way that a height difference exists between the second conveyer and the first conveyer; shooting the same packaging bag again through a second shooting device arranged on the second conveyer; processing images captured by the two shooting devices in two positions by an image processing part, and then sending the images to a quality determination part; and comparing the two images, determining that the draw bag is clamped in a sealing part if all corners of the draw bag accommodated in the packaging bag do not move in the vicinity of the boundary of the sealed area, and determining that the draw bag is not clamped if the corners of the draw bag move.
Description
Technical field
The present invention relates to a kind of inspection method of packaging bag and the testing fixture of packaging bag, especially the inspection method of the packaging bag of following purposes and the testing fixture of packaging bag is related to, namely to accommodating the products such as the extraction bag that is filled with the food such as coffee or tea and whether the sealing position of the packaging bag of environmental seal has been clamped product and checked.
Background technology
Such as, known following technical scheme, namely in the production line extracting bag, is accommodated in packaging bag to prevent from extracting bag oxidation.In order to reduce the cost of wrappage when so extracting and wrap and accommodate in packaging bag, preferably reduce the interval of extracting bag and packaging bag, but, when the interval of extracting bag and packaging bag is less, when sealing the circumference of packaging bag, likely can clamp and extracting bag.Extract bag once clamp in the sealing of packaging bag, just exist and tear when bag is extracted in packaging bag taking-up and will extract the danger of wrapping and tearing together.For this reason, the collecting of extraction bag, in packaging bag and after being sealed by circumference, is being checked whether to have clamped by testing fixture and extracting bag, thus is eliminating having clamped the packaging bag of extracting Bao Bingyi sealing.Such testing fixture just well known (such as with reference to patent documentation 1) in the past.
In patent documentation 1, describe a kind of article testing fixture, it possesses: illumination unit, for article X-ray irradiation; Detecting unit, for detecting the X ray transmitted through article; Image making unit, makes X-ray transmission image according to the testing result of this detecting unit; And identifying unit, according to described X-ray transmission image, whether content is sandwiched in the hermetic unit of packaging and judges; This identifying unit calculates the length from the outer rim of described packaging to the outer rim of described content according to described X-ray transmission image, and judges whether having clamped described content according to the length calculated.
At first technical literature
Patent documentation
Patent documentation 1: Jap.P. No. 5324328 publication
Summary of the invention
Invent technical matters to be solved
But, even if to the packaging bag X-ray irradiation be made up of aluminium or resin-made membrane, also correctly cannot be identified by heat packs and pack and the border of the sealing area of heat-sealing.The testing fixture recorded in above-mentioned patent documentation 1 calculates the distance between the outer rim of packaging and article outer rim, thus judges whether clamped at hermetic unit the article be contained in packaging.But in the structure described in this patent documentation 1, there is following problem, namely when content contacts with the hermetic unit of packaging, be difficult to differentiate whether content is sealed together, the accuracy of judgement is not enough.
For the scheme of technical solution problem
The present invention is a kind of for containing article to inside and the leakage check method that checks of the sealing state of packaging bag being formed with heat-sealing sealing area, it is characterized in that, have: the first photography operation, for irradiating radioactive ray to the packaging bag containing article and take; The packaging bag be taken is applied to the operation of impacting; Second photography operation, for again irradiating radioactive ray to being applied in the packaging bag impacted and taking; And whether qualifiedly judge operation, photograph the second image obtained in operation with second according to the first image obtained in described first photography operation, whether judgement packaging bag is qualified; Judge in operation described whether qualified, the position of the article in the packaging bag identified from the first image is compared with the position of the article in the packaging bag identified from the second image, when the article of accommodating in packaging bag have the part that position do not change near the sealing area of packaging bag, described packaging bag is judged as that sealing area has clamped article.
In addition, Section 2 invention is a kind of for containing article to inside and the seal detecting apparatus that checks of the sealing state of packaging bag being formed with heat-sealing sealing area, it is characterized in that possessing: radiation exposure unit, for irradiating radioactive ray to the packaging bag containing article; Camera unit, for taking the packaging bag of illuminated radioactive ray; Impact applying unit, for applying to impact to the packaging bag be taken; And whether qualified identifying unit, according to the image obtained by described camera unit, judge that whether packaging bag is qualified; The packaging bag being applied with impact by described impact applying unit is again irradiated radioactive ray and taken, and, the position of described whether qualified identifying unit to the article in the packaging bag identified from the image photographed by described camera unit first time compares with the position of the article in the packaging bag identified from the image photographed for the second time, when the article of accommodating in packaging bag have the part that position do not change near the sealing area of packaging bag, described packaging bag is judged as that sealing area has clamped article.
Further, Section 3 invention is a kind of for containing article to inside and the seal detecting apparatus that checks of the sealing state of packaging bag being formed with heat-sealing sealing area, it is characterized in that possessing: handling unit, for carrying the packaging bag containing article; First radiation exposure unit, for irradiating radioactive ray to packaging bag; First camera unit, for taking the packaging bag of being irradiated radioactive ray by the first radiation exposure unit; Impact applying unit, for applying to impact to the packaging bag of being taken by the first camera unit; Second radiation exposure unit, for again irradiating radioactive ray to the packaging bag being applied with impact by impacting applying unit; Second camera unit, for taking the packaging bag of being irradiated radioactive ray by the second radiation exposure unit; And whether qualified identifying unit, according to the first image obtained by the first camera unit and the second image obtained by the second camera unit, judge that whether packaging bag is qualified; Described whether qualified identifying unit compares the position of the position of the article in the packaging bag identified from the first image with the article in the packaging bag identified from the second image, when the article of accommodating in packaging bag have the part that position do not change near the sealing area of packaging bag, described packaging bag is judged as that sealing area has clamped article.
Invention effect
The inspection method of packaging bag of the present invention is after taking the packaging bag containing article, apply to impact to this packaging bag, again packaging bag is taken subsequently, and the image by the acquisition of this twice photography operation is compared, thus judge whether article inner near the border of the sealing area of packaging bag there occurs movement, therefore, it is possible to by situation about sealing under detecting the state of having clamped article in pack outside exactly.In addition, the testing fixture of packaging bag of the present invention is taken the packaging bag of being irradiated radioactive ray by radiation exposure unit by camera unit, and apply to impact to this packaging bag, after this, again radioactive ray irradiated to packaging bag and carried out second time shooting by camera unit, and twice photographs is compared, thus judging that whether packaging bag is qualified, therefore, it is possible to by situation about sealing under detecting the state of having clamped article in pack outside exactly.
Accompanying drawing explanation
Fig. 1 is the integrally-built summary construction diagram of the testing fixture simplifying the packaging bag illustrated in the first embodiment.
Fig. 2 is the figure for being described the manufacturing process of packaging bag.
Fig. 3 is for the figure judging whether to exist the operation that sandwiches according to photographs and be described.
Fig. 4 is the figure of the inspection area of the packaging bag illustrated in the second embodiment.
Fig. 5 is the figure of the photographs that inspection area is shown.
Fig. 6 illustrates to carry out binary conversion treatment to the photographs represented in Fig. 5 and the figure of the image obtained.
Fig. 7 is the vertical view of the schematic configuration of the testing fixture of the packaging bag illustrated in the 3rd embodiment.
Fig. 8 is the side view of the major part illustrated in the 3rd embodiment.
Description of reference numerals
4: article (extracting bag)
6c: the region being heat-sealed sealing
6d: the region being heat-sealed sealing
8: packaging bag
11: impact applying unit
22: radiation exposure unit (the first X-ray irradiator)
24: camera unit (the first line camera)
36: whether qualified identifying unit
40: radiation exposure unit (the second X-ray irradiator)
42: camera unit (the second line camera)
Embodiment
At the upstream side of the testing fixture of packaging bag, be there is by filled package apparatus manufacture the extraction bag of the tetrahedral in the face of four triangles, and by follow-up outer pack manufacturing installation, described extraction bag is inserted in exterior film, cut off after carrying out longitudinal and horizontal sealing, thus form the packaging bag of having accommodated and having extracted bag.This packaging bag be fed into testing fixture first carrying conveyor on and be handled upside down.In the transport path of the packaging bag of the first carrying conveyor, be configured with X-ray irradiator and the first camera, this X-ray irradiator is used for from top the packaging bag X-ray irradiation be handled upside down, this first camera is by for accept to be radiated in packaging bag and the line camera (linecamera) of X ray that transmission is come is formed, and, the image processing part that the image photographed by this first camera is sent to control device is processed, and is sent to whether qualified detection unit.
Be configured with the upstream portion of the second carrying conveyor in the below of the downstream end of the first carrying conveyor, the packaging bag having been carried out first time shooting by the first camera is dropped to the second carrying conveyor from the first carrying conveyor.These the first carrying conveyors and second carrys conveyor and are had high low head, and the impact of the degree of the packaging bag interior generation movement that described high low head can apply that extraction is wrapped in and drops, the high low head of these two carrying conveyors constitutes impact applying unit.
By being arranged on the second camera on the second carrying conveyor, carrying out second time take to drop on the second carrying conveyor from the first carrying conveyor thus be applied in the packaging bag impacted.This photographs is also sent to described whether qualified detection unit after being processed by image processing part.In whether qualified detection unit, primary photographs and secondary photographs are compared, when there is the part that position do not change near the border that the extraction of accommodating wraps in the sealing area in packaging bag, be judged as that the possibility of having clamped extraction bag at sealing area is higher, and rejected.In addition, near the sealing area that the extraction of accommodating wraps in packaging bag not location do not change part time, extract bag owing to not clamping at sealing area, be therefore judged as certified products.
(the first embodiment)
Below, by the embodiment shown in accompanying drawing, the present invention will be described.Be configured at the upstream side of the on the left of Fig. 1 first carrying conveyor 2, be configured with not shown filled package apparatus, formed by this filled package apparatus and be filled with coffee or tea and by the extraction bag 4 (with reference to Fig. 2) sealed, and this extraction bag 4 is sent to outer pack manufacturing installation (not shown).Pack outside in manufacturing installation, by the length direction central portion bending of the exterior film 6 of band shape, it is made to be that (exterior film 6 is for the state of the open doubling in top, the lower side 6a of Fig. 2 is by bending, upper side 6b is open), and described extraction bag 4 is inserted in exterior film 6 from upper side opening portion 6b.Subsequently, longitudinal sealing (longitudinal sealing position Reference numeral 6c represents) is carried out in the front and back of the insertion of exterior film 6 being extracted to the position of bag 4, and further transverse sealing (transverse sealing position Reference numeral 6d represents) is carried out to the opening portion 6b on top, afterwards, cut off at 6c place, longitudinal sealing position, thus formed to contain and extract bag 4 and around by the packaging bag 8 (right-hand member with reference to Fig. 2) sealed.This cut-off packaging bag 8 is fed into the testing fixture 1 of the packaging bag involved by the present embodiment.In addition, in packaging bag 8, the extraction bag 4 of collecting is so-called triangle bag, is formed as the tetrahedron shape in the face with four triangles, carries out doubling and be inserted in exterior film 6 by not shown folding unit.In addition, the lifting rope S of tape label T is installed at the outside surface of triangle bag.
The testing fixture 1 of the packaging bag involved by this embodiment has the first handling unit (the first carrying conveyor 2) and the second handling unit (second carries conveyor 10), and the upstream extremity 10a of this second handling unit is configured in the below of the downstream end 2a of this first carrying conveyor 2.First carrying conveyor 2 has endless belt conveyer 14, and this travelling belt 14 is wrapped in upstream side pulley (not shown) with on downstream pulley 12, this travelling belt 14 carries and carries the packaging bag 8 containing article.In addition, the second carrying conveyor 10 has endless belt conveyer 18, and this travelling belt 18 is wrapped in upstream side pulley 16 with on downstream pulley (not shown), and this travelling belt 18 carries and carrying packaging bag 8.These first carrying conveyors 2 and second are carried conveyor 10 and are had high low head, when described high low head is used on the second carrying conveyor 10 carry the packaging bag 8 of coming by the first carrying conveyor 2 and to drop to from downstream end 2a below, apply the impact of the degree of the extraction bag 4 generation movement making collecting in packaging bag 8.In this embodiment, constitute impact applying unit 11 by the first carrying conveyor 2 and the second high low head carrying conveyor 10.
In the packaging bag transport path of the first carrying conveyor 2, be configured with the first camera 20, this first camera 20 is for irradiating radioactive ray (being X ray in this embodiment) and taking to the packaging bag 8 of carrying on the first carrying conveyor 2.This first camera 20 possesses: the first X-ray irradiator 22, is configured in the top in the carrying face of the first carrying conveyor 2; And first line camera 24, be configured in the downside in carrying face, for detecting the X ray transmitted through packaging bag 8.First sensor 26 is configured with at the upstream side slightly of the position of this first camera 20 of configuration, this first sensor 26 is for detecting the packaging bag 8 of carrying on the first carrying conveyor 2, when this first sensor 26 detects packaging bag 8, command signal is sent to the first X-ray irradiator 22 from the instruction department 30 of first control device 28, thus to packaging bag 8 X-ray irradiation.The carrying position detecting the packaging bag 8 of being carried by the first carrying conveyor 2 is continued by scrambler 32, when going out packaging bag 8 according to the input from this scrambler 32 and having arrived the position of the first camera 20, from the first X-ray irradiator 22 X-ray irradiation.In addition, also line camera 24 can be replaced with face battle array camera (areacamera).
The image detected by the first line camera 24 of the first camera 20 is sent to the image processing part 34 of first control device 28, after carrying out the process specified, is sent to whether qualified identifying unit (whether qualified detection unit 36).
Be configured with the upstream side pulley 16 of the second carrying conveyor 10 in the below of the downstream pulley 12 of the first carrying conveyor 2, the packaging bag 8 that have passed the downstream pulley 12 of the first carrying conveyor 2 drops to the upstream extremity of the second carrying conveyor 10 of below and is caught.In the packaging bag transport path of this second carrying conveyor 10, be configured with the second camera 38 for taking the packaging bag 8 be handled upside down.Second camera 38 possesses: the second X-ray irradiator 40, is configured in the top in the carrying face of the second carrying conveyor 10; And second line camera 42, be configured in the downside in carrying face, for detecting the X ray transmitted through packaging bag 8.The second sensor 44 is configured with at the upstream side slightly of the position of this second camera 38 of configuration, this second sensor 44 is for detecting the packaging bag 8 be handled upside down, when this second sensor 44 detects packaging bag 8, command signal is sent to the second X-ray irradiator 40 from the second instruction department 31 of second control device 29, thus to packaging bag 8 X-ray irradiation.The carrying position detecting the packaging bag 8 of being carried by the second carrying conveyor 10 is continued by scrambler 46, when going out packaging bag 8 according to the input from this scrambler 46 and having arrived the position of the second camera 38, from the second X-ray irradiator 40 X-ray irradiation.
The image detected by the second line camera 42 of the second camera 38 is sent to the second image processing part 35 of described second control device 29, after carrying out the process specified, be sent to whether qualified identifying unit (whether qualified detection unit 36).To the image sent from described first camera 20, compare with the image from the second camera 38 taken same packaging bag 8, and judged by whether qualified detection unit 36.Be judged to be the packaging bag 8 of certified products by whether qualified detection unit 36, will continue to be carried by the second carrying conveyor 10, and be sent to subsequent handling.In addition, be configured with device for eliminating 48 at the downstream portion of the second carrying conveyor 10, according to the signal being sent to device for eliminating 48 from rejecting signal efferent 50, be judged to be that the packaging bag 8 of unacceptable product is by disallowable by whether qualified detection unit 36.
In the device of this embodiment, making in the operation containing the packaging bag 8 of extracting bag 4, cut-out is performed after performing the longitudinal direction of exterior film 6 and sealing 6c, 6d of transverse direction, and check whether having clamped extraction bag 4 in sealing area when sealing (performing the part of described sealing 6c, 6d, the part of blacking in Fig. 2).Such as, when extracting bag 4 and being accommodated under the state (bight A, B, C of extraction bag 4 are not sandwiched into the state in sealing area 6c, 6d of packaging bag 8) shown in Fig. 3 (a), be judged as certified products, and when being jammed, be judged as unacceptable product.For this reason, the packaging bag 8 of being undertaken once taking by the first camera 20 is dropped from the first carrying conveyor 2 to the second carrying conveyor 10, apply to impact to packaging bag 8 thus, subsequently, by the second camera 38, second time shooting is carried out to same packaging bag 8, and these two images are compared.
When the photographs obtained by the first camera 20 is Fig. 3 (a), and when the photographs obtained by the second camera 38 after applying impact to same packaging bag 8 is the state of Fig. 3 (b), for the image graph 3 (a) photographed by the first camera 20, the bight A of three positions of extracting bag 4 is calculated in the first image processing part 34, B, the coordinate of C, and, for the image graph 3 (b) photographed by the second camera 38, the bight A of three positions of extracting bag 4 is calculated in the second image processing part 35, B, the coordinate of C.These view data are sent to whether qualified detection unit 36, and in whether qualified detection unit 36, these two view data are compared, thus bight A, B, C of identifying three positions of the extraction bag 4 be contained in packaging bag 8 there occurs movement respectively, and be judged as that sealing area 6c, the 6d extracting the completely not packaged bag 8 of bag 4 clamps, thus be judged to be certified products.
In addition, when the image of the packaging bag 8 photographed by the first camera 20 is the state shown in Fig. 3 (c), and when the image photographed by the second camera 38 after applying to impact to same packaging bag 8 is for state shown in Fig. 3 (d), for the image graph 3 (c) photographed by the first camera 20, the bight A of three positions of extracting bag 4 is calculated in the first image processing part 34, B, the coordinate of C, for the image graph 3 (d) photographed by the second camera 38, the bight A of three positions of extracting bag 4 is calculated in the second image processing part 35, B, the coordinate of C.In whether qualified detection unit 36, these two view data are compared, in bight A, B, the C of three positions extracting bag 4, bight B, C of two positions there occurs movement, and the coordinate being positioned at the bight A near sealing area 6d is not moved, therefore, be judged to be that the sealing area 6d of packaging bag 8 has clamped the possibility of this extraction bag 4 higher.
(the second embodiment)
Fig. 4 ~ Fig. 6 is the figure of the operation representing the second embodiment, and this second embodiment performs the image procossing different from the first embodiment, thus judges the situation of sandwiching.The image procossing illustrated in a first embodiment is, image according to the extraction bag 4 photographed by the first camera 20 and the second camera 38 is calculated the coordinate at three positions and compares, and in a second embodiment, be then the image setting inspection area to obtaining, and determine whether that existence sandwiches according to the position of the extraction bag 4 be present in inspection area.In addition, the second embodiment is compared with the first embodiment, and be only that image procossing is different, other structures are identical.
Fig. 4 is the figure that inspection area is shown, by the first image processing part 34 and the second image processing part 35, to the image setting inspection area photographed by the first camera 20 and the second camera 38.Specifically, by the inside region of the outer rim setting of distance packaging bag 8, the deviation such as considering sealing area and increase to the presumptive area that will seal the value obtained after several millimeters and be set as sealing area.In addition, in the present embodiment, the setting of lateral seal area 6d is set to 5mm, and adds 2mm on 5mm, thus using the inspection area of the region of the outer rim 7mm of distance lateral seal area 6d as transverse sealing.In addition, the setting of longitudinal seal regions 6c is set to 3mm, and adds 2mm on 3mm, thus the region of the outer rim 5mm of distance longitudinal seal regions 6c is set as inspection area.In the diagram, oblique line portion is the inspection area after transverse sealing and longitudinal sealing being merged, and in inspection area, visible line L1 represents the boundary line of the transverse sealing of anticipation, and L2 represents the boundary line of the longitudinal sealing of anticipation.First image processing part 34 and the second image processing part 35 according to the image setting inspection area obtained, and calculate in inspection area whether there is extraction bag 4, when it is present, calculate and are present in which position.
When the photographs obtained by the second camera 38 after the photographs by the first camera 20 acquisition is Fig. 5 (a) and applies impact to same packaging bag 8 is the state of Fig. 5 (b), in the first image processing part 34, inspection area is set to image graph 5 (a), and carries out binary conversion treatment.In Fig. 5 (a), be present in P part and Q part owing to extracting bag 4 in inspection area, therefore, as shown in Fig. 6 (a), when carrying out binary conversion treatment, the part extracted existing for bag 4 is shown as black.In addition, in the second image processing part 35, also inspection area is set to image graph 5 (b), and carry out binary conversion treatment, thus, obtain the image that the R-portion extracted existing for bag 4 is shown as Fig. 6 (b) of black.
In whether qualified detection unit 36, difference processing is carried out to the Fig. 6 (a) sended over from the first image processing part 34 and the second image processing part 35 and the view data of Fig. 6 (b), judges whether extract bag 4 there occurs movement in packaging bag 8 thus.Fig. 6 (c) is the image obtained after carrying out difference processing to Fig. 6 (a) and Fig. 6 (b), in P part, the part former state being shown as black in Fig. 6 (a) has remained unchangeably, thus be identified as extract bag 4 there occurs movement.On the other hand, in Q part, be shown as in the part of black in Fig. 6 (a) and Fig. 6 (b), only have a very little part to remain, therefore, be identified as and be not moved in the major part of Q extracting section bag 4.Like this, bag 4 is extracted when identifying in the inspection area at the image obtained by the first camera 20, and according to the result of carrying out difference processing with the image obtained by the second camera 38 identify extract bag 4 there is the part be not moved time, be judged to likely to have clamped the extraction bag 4 in this packaging bag 8 at sealing area.
In addition, also can detect that the label T's of triangle bag and lifting rope S sandwiches situation.In addition, as the shape extracting bag 4, also can be the extraction bag of shape beyond triangle bag.
(the 3rd embodiment)
Fig. 7 is the figure of the testing fixture 101 of the packaging bag illustrated involved by the 3rd embodiment.In a first embodiment, first carrying conveyor 2 is provided with the first camera 20, this first camera 20 is for taking containing the packaging bag 8 of extracting bag 4, in addition, second carrying conveyor 10 is provided with the second camera 38 for taking same packaging bag 8, and utilize the first carrying conveyor 2 and second to carry the high low head of conveyor 10 as impacting applying unit 11, thus apply to impact, but, in the device involved by the 3rd embodiment, carry out twice shooting by the camera of a position.
In the transport path for containing the carrying conveyor 102 that extraction bag waits the packaging bag 108 of product to carry to inside, be configured with camera 122, this camera 122 possesses the X-ray irradiator same with the first embodiment and line camera, to carrying packaging bag 108 X-ray irradiation of coming from upstream side and taking, thus obtain check image.Camera 124 is configured with, for detecting the position of the packaging bag 108 of carrying on carrying conveyor 102 in the downstream of camera 122.In addition, the robot 152 as impacting applying unit is configured with at the sidepiece of carrying conveyor 102, it is according to the signal from camera 124, mention the packaging bag 108 being completed shooting (first time shooting) by camera 122, and shaken several times, apply thus to impact (with reference to Fig. 8).
Be provided with return conveyor (the first return conveyor 154A, the second return conveyor 154B, the 3rd return conveyor 154C), this return conveyor can transport packaging bag 108 with the downstream of the position of camera 124 towards upstream side from the camera 122 that is configured with of carrying conveyor 102.Complete first time shooting and be applied with the packaging bag 108 of impact by robot 152, be placed on the first return conveyor 154A by robot 152, after being carried by the first return conveyor 154A, carried by the second return conveyor 154B and the 3rd return conveyor 154C successively, thus turn back to the upstream side of the described camera 122 of carrying conveyor 102.
By camera 122 to being applied in packaging bag 108 X-ray irradiation that impacts and after carrying out second time shooting, be directly carried to downstream by carrying conveyor 102 specifically.For the packaging bag 108 having carried out twice shooting like this, be sent to whether qualified detection unit after the photographs of twice is processed by not shown image processing part, thus the photographs of twice is compared.In the same manner as the first embodiment and the second embodiment, when position does not change a part for the extraction bag being contained in packaging bag 108 inside near sealing area, be judged as there occurs and sandwich, and when position there occurs change, be then judged as sandwiching.
In addition, in the image procossing of the first embodiment and the second embodiment, for convenience of description, suppose that the extraction of doubling is wrapped 4 triangular in shape, but in fact can not become triangle, but neat folding time become home plate shape.In addition, when extracting bag 4 and neatly not folded, angle can be departed from, therefore the image polygon that can thicken.
Claims (3)
1. an inspection method for packaging bag, being for containing article to inside and the leakage check method that checks of the sealing state of packaging bag being formed with heat-sealing sealing area, it is characterized in that having:
First photography operation, for irradiating radioactive ray to the packaging bag containing article and take;
The packaging bag be taken is applied to the operation of impacting;
Second photography operation, for again irradiating radioactive ray to being applied in the packaging bag impacted and taking; And
Whether qualifiedly judge operation, photograph the second image obtained in operation with second according to the first image obtained in described first photography operation, whether judgement packaging bag is qualified;
Judge in operation described whether qualified, the position of the article in the packaging bag identified from the first image is compared with the position of the article in the packaging bag identified from the second image, when the article of accommodating in packaging bag have the part that position do not change near the sealing area of packaging bag, described packaging bag is judged as that sealing area has clamped article.
2. a testing fixture for packaging bag, being for containing article to inside and the seal detecting apparatus that checks of the sealing state of packaging bag being formed with heat-sealing sealing area, it is characterized in that possessing:
Radiation exposure unit, for irradiating radioactive ray to the packaging bag containing article;
Camera unit, for taking the packaging bag of illuminated radioactive ray;
Impact applying unit, for applying to impact to the packaging bag be taken; And
Whether qualified identifying unit, according to the image obtained by described camera unit, judges that whether packaging bag is qualified;
The packaging bag being applied with impact by described impact applying unit is again irradiated radioactive ray and taken, and, the position of described whether qualified identifying unit to the article in the packaging bag identified from the image photographed by described camera unit first time compares with the position of the article in the packaging bag identified from the image photographed for the second time, when the article of accommodating in packaging bag have the part that position do not change near the sealing area of packaging bag, described packaging bag is judged as that sealing area has clamped article.
3. a testing fixture for packaging bag, being for containing article to inside and the seal detecting apparatus that checks of the sealing state of packaging bag being formed with heat-sealing sealing area, it is characterized in that possessing:
Handling unit, for carrying the packaging bag containing article;
First radiation exposure unit, for irradiating radioactive ray to packaging bag;
First camera unit, for taking the packaging bag of being irradiated radioactive ray by the first radiation exposure unit;
Impact applying unit, for applying to impact to the packaging bag of being taken by the first camera unit;
Second radiation exposure unit, for again irradiating radioactive ray to the packaging bag being applied with impact by impacting applying unit;
Second camera unit, for taking the packaging bag of being irradiated radioactive ray by the second radiation exposure unit; And
Whether qualified identifying unit, according to the first image obtained by the first camera unit and the second image obtained by the second camera unit, judges that whether packaging bag is qualified;
Described whether qualified identifying unit compares the position of the position of the article in the packaging bag identified from the first image with the article in the packaging bag identified from the second image, when the article of accommodating in packaging bag have the part that position do not change near the sealing area of packaging bag, described packaging bag is judged as that sealing area has clamped article.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014150170A JP6318037B2 (en) | 2014-07-23 | 2014-07-23 | Packaging bag inspection method and packaging bag inspection device |
| JP2014-150170 | 2014-07-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105319038A true CN105319038A (en) | 2016-02-10 |
| CN105319038B CN105319038B (en) | 2018-11-13 |
Family
ID=55065780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510300737.XA Expired - Fee Related CN105319038B (en) | 2014-07-23 | 2015-06-03 | The inspection method of packaging bag and the check device of packaging bag |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP6318037B2 (en) |
| KR (1) | KR20160012072A (en) |
| CN (1) | CN105319038B (en) |
| DE (1) | DE102015213799A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109416328A (en) * | 2017-02-22 | 2019-03-01 | 株式会社悠心 | The image review systems of package body |
| CN109580099A (en) * | 2018-12-24 | 2019-04-05 | 浙江科技学院 | A kind of vacuum packaging leak detection method based on optical coherence tomographic image |
| CN112648946A (en) * | 2020-12-02 | 2021-04-13 | 益阳市明正宏电子有限公司 | Hole deviation detection device |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109974612B (en) * | 2017-12-27 | 2020-10-09 | 安慕斯科技有限公司 | Detection system of paper product packaging bag with open type arc edge opening |
| IT201800001113A1 (en) * | 2018-01-16 | 2019-07-16 | Martelli Davide | INSPECTION DEVICE |
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- 2015-06-08 KR KR1020150080312A patent/KR20160012072A/en active IP Right Grant
- 2015-07-22 DE DE102015213799.6A patent/DE102015213799A1/en active Pending
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| CN112648946A (en) * | 2020-12-02 | 2021-04-13 | 益阳市明正宏电子有限公司 | Hole deviation detection device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6318037B2 (en) | 2018-04-25 |
| CN105319038B (en) | 2018-11-13 |
| KR20160012072A (en) | 2016-02-02 |
| DE102015213799A1 (en) | 2016-01-28 |
| JP2016024132A (en) | 2016-02-08 |
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