CN101377466B - Method for testing and evaluating attrition degree of packing film for cigarette - Google Patents
Method for testing and evaluating attrition degree of packing film for cigarette Download PDFInfo
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- CN101377466B CN101377466B CN2008101413491A CN200810141349A CN101377466B CN 101377466 B CN101377466 B CN 101377466B CN 2008101413491 A CN2008101413491 A CN 2008101413491A CN 200810141349 A CN200810141349 A CN 200810141349A CN 101377466 B CN101377466 B CN 101377466B
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Abstract
A test and evaluation method for the wear degree of tobacco packaging film is characterized in that the worn area of the film is quantitatively measured through chromating, imaging, image analysis processes upon the worn film to determine the the wear degree of the film. Compared with the current technology, the invention has the advantages as follows: 1, the chromating process proposed by the invention enables the scratches on the surface of the film to be intuitively seen, which is applicable for the quantitive evaluation of the wear degree; 2 the worn area is measurement which is realized by the means of image processing and image analysis software can realize quantitive analysis of wear degree, which is more precise and approximate to the quantitive analysis in comparison with the method for evaluating wear degree by the means of haze difference; 3 the method of the invention has simple operation and easy popularization.
Description
Technical field
The invention belongs to plastic film for wrapping degree of wear assessment technique, be specifically related to a kind of method for testing and evaluating attrition degree of packing film for cigarette, this method is to detect cigarette packing film surface abrasion degree near quantitative methods.
Background technology
The cigarette packing film is the outermost layer wrappage of one of a parcel or a box cigarette, on cigarette package, require the cigarette film to possess high gloss and low haze and some other specific function, can keep the original better quality of cigarette preferably, give the consumer with the exquisite patterned display of cigarette trademark to greatest extent, pass on a kind of quality of high-quality and fine visual effect to the consumer.Yet, cigarette with packing film pack and the process of circulation in since with the wearing and tearing of travelling belt, casing and other objects, cause its original optical property preferably (glossiness and light transmission) decline.Therefore, how cigarette packaging film keeps its original optical property through a series of intermediate link, and to adopt suitable evaluation method to weigh its wearing quality be one of problem of puzzlement industry always.
Along with cigarette is more and more higher with the environmental-protecting performance requirement of film, more and more Bao film becomes a current development trend, the domestic cigarette that generally uses with film thickness from 22 μ m to 18 μ m transition, and the external cigarette packing film of having brought into use 18 μ m, and a lightening bottleneck problem of restricting current film is exactly the friction that produces between cigarette machine at a high speed and the film, abrasion film surface often, influence the gloss and the light transmission of film, therefore, the abrasion resistance properties of film becomes the common subject matter of paying close attention to of current tobacco productive corporation and film production enterprise, yet, owing to lack evaluation method to the science of the film degree of wear, progress to the film polishing machine is very slow, need a kind of can science method for quantitatively evaluating intuitively, investigate the degree of wear of cigarette with packing film.
Plastic sheeting is as cigarette packaging material, and less to its fundamental research report not have unified, the scientific and effective cigarette method of testing and the controlling index of packing film abrasion resistance properties simultaneously yet both at home and abroad.Domestic enterprise is in the exploratory stage to cigarette with the wearing quality Study on Problems of packing film, progress is slow, it mainly is research method in default of a kind of science, the careless group of red cloud and mist has proposed a kind of equipment such as film haze detection instrument and printing ink frictiograph that utilize, cigarette is carried out method for measuring with BOPP film anti-wear performance, this method uses the variation of printing ink friabilator wearing and tearing front and back film mist degree to investigate the polishing machine of film by research, but the method has certain limitation, this method at first will manually be chosen eroded area, and then mist degree is carried out in this zone test, it is bigger that test result is influenced by human factor, in addition, for the comparatively serious film of wearing and tearing, the data of mist degree method test are inaccurate.Also have some film production enterprises directly to measure the degree of wear of film by the method for manual observation wearing and tearing back BOPP film, it is bigger that this method is influenced by human factor.Therefore, need badly and explore a kind of scientific and effective cigarette with film surface polishing machine method of testing,, thereby improve the appearance packaging quality of cigarette for cigarette enterprise and film enterprise provide test basis.
Summary of the invention
The objective of the invention is to overcome above-mentioned the deficiencies in the prior art part, propose a kind ofly to detect cigarette with packing film surface abrasion degree, thereby investigate the degree of wear of estimating film near quantitative methods.
The objective of the invention is to be achieved through the following technical solutions: method for testing and evaluating attrition degree of packing film for cigarette of the present invention, be by to the back cigarette that weares and teares with film dye processing, imaging, image analysis processing, quantitative measurement goes out the eroded area area of film, thereby judges the degree of wear of film.
The concrete steps of test evaluation method of the present invention are as follows:
1), with mill flower naturally or use the film of mechanical hook-up (can with the device of parameter abrasion films such as certain pressure, speed, frequency) after mill is spent to be cut into the specimen of certain size, measuring samples area S.
2), whole sample is attached on the level and smooth base plate, use coloring agent to the film surface processing of dyeing.
3), wipe the coloring agent of film surface gently with a kind of material of softness, the control dynamics should not make the film surface damaged during wiping, and guarantees that mill spends zone dyeing not wiped.
4) the film imaging after, use Image Acquisition instrument is handled step 3.
5), the image that uses image processing software that step 4 is obtained carries out the adjustment of color and contrast, outstanding dyeing back mill is spent the color in zone.
6), using image analysis software to carry out region area to the image after step 5 processing calculates, obtains mill flower region area C.
7), mill flower region area C that step 6 is obtained is divided by the total area S of specimen, obtains the mill flower regional percentage R of sample, shown in following formula,
Characterize the degree of wear of film with the ratio R of sample mill flower, the R value is high more, shows that the film degree of wear is serious more.
The cigarette of the flower of mill naturally that relates in the technical scheme of the present invention is included in production, transportation, carrying, sells in the way the wearing and tearing of cigarette with the packing film surface with the packing film mode.The mechanical hook-up that mill flower uses be a kind of can be with the device of parameter abrasion films such as certain pressure, speed, frequency.
The level and smooth base plate of the subsides film that relates in the technical scheme of the present invention comprises the sheet material or the bulk of the surface smoothing of various macromolecular materials, stupalith, metal material preparation.
The coloring agent that relates in the technical scheme of the present invention comprises printing ink, colored pigment etc., and all can be used for painted solid or liquid substance.
The material of the softness that relates in the technical scheme of the present invention comprises the cloth of quality softness, flexible materials such as paper, cotton, sponge.
The Image Acquisition instrument that relates in the technical scheme of the present invention comprises that camera, scanner of general camera, digital camera, Digital Video, connection computer etc. is used for the instrument or the instrument of imaging and photograph.
The image processing software that relates in the technical scheme of the present invention comprises that all possess the software of picture color, brightness, contrast adjustment function.
The image analysis software that relates in the technical scheme of the present invention comprises that all can be used for software or the program or the program module of certain color in the computed image or a certain Color Range area.
Compared with prior art, adopt method of the present invention to measure the cigarette package film degree of wear and have following characteristics and advantage:
1, colouring method proposed by the invention can make very clear and intuitive the showing of film surface cut, helps the quantitative evaluation to the degree of wear.
2, Flame Image Process and the image analysis software passed through proposed by the invention can realize the quantitative test of the degree of wear to the measurement of grinding colored region area, compares by mist degree difference and investigates mill flower degree methods, and this method is more accurately with near quantitatively.
3, method proposed by the invention, simple to operate, be easy to promote.
Description of drawings
Fig. 1 is the film photo that does not have wearing and tearing.
Fig. 2 is the film photo after mill is spent.
Fig. 3 is the film photo after handling of dyeing.
Film photo after the mill that Fig. 4 is to use image processing software to handle is spent (this figure is as Figure of abstract).
Embodiment
The present invention is described in further detail below in conjunction with embodiment:
Embodiment one
1, a cigarette is cut into the size of 20cm*30cm with the BOPP film, uses the printing ink frictiograph film surface mill flower;
2, the sample that will grind after spending is attached on the level and smooth macromolecular material base plate, uses printing ink to film surface processings of dyeing, and uses lens wiping paper to wipe the printing ink of film surface gently, and control dynamics during wiping guarantees to grind and spends the zone to be colored;
3, the sample after the dyeing of using digital camera to take step 2 acquisition is handled obtains photo;
4, the photo that uses image processing software that step 3 is obtained carries out the adjustment of color and contrast, and outstanding dyeing back mill is spent the color in zone;
5, use image analysis software to carry out the zone to the image after step 4 processing and calculate, obtain mill flower region area;
6, the mill flower region area that step 5 is obtained obtains the mill flower regional percentage of sample divided by the total area of specimen, characterizes the degree of wear of film with the ratio R of sample mill flower.
Embodiment two
1, a cigarette is cut into the size of 20cm*30cm with the BOPP film, uses the film frictiograph film surface mill flower;
2, the sample that will grind after spending is attached on the level and smooth stupalith base plate, uses colored pigment to film surface processings of dyeing, and uses soft cloth to wipe the remaining colored pigment of film surface gently, and control dynamics during wiping guarantees to grind and spends the zone to be colored;
3, the sample after the dyeing of using scanner scanning step 2 to obtain is handled obtains photo;
4, the photo that uses image processing software that step 3 is obtained carries out the adjustment of color and contrast, and outstanding dyeing back mill is spent the color in zone;
5, use image analysis software to carry out the zone to the image after step 4 processing and calculate, obtain mill flower region area;
6, the mill flower region area that step 5 is obtained obtains the mill flower regional percentage of sample divided by the total area of specimen, characterizes the degree of wear of film with the ratio R of sample mill flower.
Embodiment three
1, above a cigarette capsule, takes off the film of mill flower gently, cut out film, be prepared into sample according to capsule front label paper size;
2, sample is attached on the level and smooth metal quality base plate, uses pigment to film surface processings of dyeing, use cotton balls to wipe the unnecessary pigment of film surface gently, control dynamics during wiping guarantees to grind and spends the zone to be colored;
3, the sample after the dyeing of using Digital Video to take step 2 acquisition is handled obtains photo;
4, the photo that uses image processing software that step 3 is obtained carries out the adjustment of color and contrast, and outstanding dyeing back mill is spent the color in zone;
5, use image analysis software to carry out the zone to the image after step 4 processing and calculate, obtain mill flower region area;
6, the mill flower region area that step 5 is obtained obtains the mill flower regional percentage of sample divided by the total area of specimen, characterizes the degree of wear of film with the ratio R of sample mill flower.
Embodiment four
1, takes off packing film from a cigarette barrel surface of grinding flower in transit naturally, cut out film according to the positive size of barrel, the preparation sample;
2, sample is attached on the level and smooth plastic bottom board, uses printing ink to film surface processings of dyeing, use soft paper to wipe the unnecessary printing ink of film surface gently, control dynamics during wiping guarantees to grind and spends the zone to be colored;
3, the sample after the dyeing of using the camera that connects computer to take step 2 acquisition is handled obtains photo;
4, the photo that uses image processing software that step 3 is obtained carries out the adjustment of color and contrast, and outstanding dyeing back mill is spent the color in zone;
5, use image analysis software to carry out the zone to the image after step 4 processing and calculate, obtain mill flower region area;
6, the mill flower region area that step 5 is obtained obtains the mill flower regional percentage of sample divided by the total area of specimen, characterizes the degree of wear of film with the ratio R of sample mill flower.
Claims (8)
1. method for testing and evaluating attrition degree of packing film for cigarette, it is characterized in that: by to the back cigarette that weares and teares with packing film dye processing, imaging, image analysis processing, quantitative measurement goes out the eroded area area of film, thereby judge the degree of wear of film, described test evaluation method concrete steps are as follows:
(1), with mill flower naturally or use film after the mechanical hook-up mill is spent to be cut into the specimen of certain size, measuring samples area S;
(2), whole film sample is attached on the level and smooth base plate, use coloring agent to the film surface processing of dyeing;
(3), wipe the coloring agent of film surface gently, guarantee that mill spends the zone to be colored with a kind of material of softness;
(4), the film imaging after use Image Acquisition instrument is handled step (3);
(5), the image that uses image processing software that step (4) is obtained carries out the adjustment of color and contrast, outstanding dyeing back mill is spent the color in zone;
(6), using image analysis software to carry out region area to the image after step (5) processing calculates, obtains mill flower region area C;
(7), mill flower region area C that step (6) is obtained is divided by the total area S of specimen, obtains the mill flower regional percentage R of sample, shown in following formula:
Characterize the degree of wear of film with the ratio R of sample mill flower, the R value is high more, shows that the film degree of wear is serious more.
2. test evaluation method according to claim 1 is characterized in that: the mechanical hook-up described in the step (1) be a kind of can be with the device of certain pressure, speed, frequency parameter abrasion film.
3. test evaluation method according to claim 1 is characterized in that: described level and smooth base plate comprises the sheet material or the bulk of the surface smoothing of macromolecular material, stupalith or metal material preparation.
4. test evaluation method according to claim 1 is characterized in that: described coloring agent is printing ink, colored pigment.
5. test evaluation method according to claim 1 is characterized in that: the material of described softness is the cloth of quality softness, paper, cotton or sponge.
6. test evaluation method according to claim 1 is characterized in that: the Image Acquisition instrument is the camera or the scanner of common film camera, digital camera, Digital Video, connection computer.
7. test evaluation method according to claim 1 is characterized in that: image processing software is the software that possesses picture color, brightness, contrast adjustment function.
8. test evaluation method according to claim 1 is characterized in that: image analysis software is to be used for software, program or the program module of certain color in the computed image or a certain Color Range area.
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| CN2008101413491A CN101377466B (en) | 2008-09-12 | 2008-09-12 | Method for testing and evaluating attrition degree of packing film for cigarette |
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| CN2008101413491A CN101377466B (en) | 2008-09-12 | 2008-09-12 | Method for testing and evaluating attrition degree of packing film for cigarette |
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| CN101377466B true CN101377466B (en) | 2010-09-08 |
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| CN110470674B (en) * | 2019-08-26 | 2021-10-19 | 哈尔滨工程大学 | Visual analysis method for damage of porous surface injected with lubricating liquid |
| CN113916800B (en) * | 2021-10-08 | 2022-09-27 | 南京航空航天大学 | Detection method for visually judging abrasion of high polymer plastic abrasive |
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