WO2017208104A1 - Appareil d'identification de paramètres physiques d'articles en forme de bâtonnet dans l'industrie du tabac - Google Patents

Appareil d'identification de paramètres physiques d'articles en forme de bâtonnet dans l'industrie du tabac Download PDF

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Publication number
WO2017208104A1
WO2017208104A1 PCT/IB2017/052908 IB2017052908W WO2017208104A1 WO 2017208104 A1 WO2017208104 A1 WO 2017208104A1 IB 2017052908 W IB2017052908 W IB 2017052908W WO 2017208104 A1 WO2017208104 A1 WO 2017208104A1
Authority
WO
WIPO (PCT)
Prior art keywords
radiation
articles
rod
path conveyor
conveyor
Prior art date
Application number
PCT/IB2017/052908
Other languages
English (en)
Inventor
Bartosz Cieslikowski
Jacek DOBROWOLSKI
Original Assignee
International Tobacco Machinery Poland Sp. Z O.O.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by International Tobacco Machinery Poland Sp. Z O.O. filed Critical International Tobacco Machinery Poland Sp. Z O.O.
Priority to RU2018141945A priority Critical patent/RU2018141945A/ru
Priority to EP17735624.3A priority patent/EP3465178B1/fr
Priority to CN201780034360.5A priority patent/CN109219744A/zh
Priority to JP2018563161A priority patent/JP2019522789A/ja
Priority to BR112018074798-0A priority patent/BR112018074798A2/pt
Priority to KR1020187035202A priority patent/KR20190016024A/ko
Priority to US16/303,603 priority patent/US20190383756A1/en
Publication of WO2017208104A1 publication Critical patent/WO2017208104A1/fr

Links

Classifications

    • 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
    • G01N23/06—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 measuring the absorption
    • G01N23/083—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 measuring the absorption the radiation being X-rays
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/32—Separating, ordering, counting or examining cigarettes; Regulating the feeding of tobacco according to rod or cigarette condition
    • A24C5/34—Examining cigarettes or the rod, e.g. for regulating the feeding of tobacco; Removing defective cigarettes
    • A24C5/3412—Examining cigarettes or the rod, e.g. for regulating the feeding of tobacco; Removing defective cigarettes by means of light, radiation or electrostatic fields

Definitions

  • the subject of the invention is an apparatus for identification of physical parameters of rod-like articles of the tobacco industry.
  • Tobacco industry products including cigarettes, cigarillos, cigars, filter rods made of a single filtering material, multi-segment rods comprising multiple segments, and all types of semi-finished products processed at particular stages of production may be referred to by a common name - rod-like articles.
  • Some rod-like articles, such as filter rods and filter cigarettes, may contain capsules with an aromatic substance.
  • Quality control may be performed by random selection or may be applied to all articles produced. Quality control concerns both the appearance and the dimensions of the articles, and in the case of articles containing capsules, the level of filling of the capsules is significant.
  • the purpose of this invention is to find an optimal solution combining the process efficiency and the correctness of quality control.
  • the physical parameters which require identification are the length of segments and the position of segments relative to one another along the axis of the rods as well as the position of the capsules in the segments along the axis of the rods and transversely to the axis of the rods.
  • the purpose of measurement is to detect any defects of the rods, for example the spaces among the segments which should touch one other. Another defect is a non-central position of the capsule or an improper position of the capsule along the axis.
  • the physical parameter which should be detected may be for example an undesired material concentration which, in a finished cigarette with a filter tip, may result in a too big resistance to airflow through the filter tip.
  • the physical parameter which should be detected may be for example an undesired material concentration which, in a finished cigarette with a filter tip, may result in a too big resistance to airflow through the filter tip.
  • the application DE102014209721 A1 discloses a method of identifying the parameters of rod-like articles using x-rays wherein the rod-like articles are placed in a rotating clamp.
  • the documents EP0790006B1 and EP2769632A1 disclose a method and an apparatus wherein the parameters of an article, among others the material density, are determined by x-raying the article in different directions.
  • the object of the invention is an apparatus for identification of physical parameters of rod-like articles of the tobacco industry provided with a multi-path conveyor of rod-like articles; a radiation source arranged for emitting radiation towards the paths of the multi-path conveyor; a radiation sensor arranged so that the it receives the radiation from the radiation source, after the radiation penetrated through the multi-path conveyor of rod-like articles; whereas the radiation source and the radiation sensor are situated on opposite sides of the transferring plane.
  • the apparatus according to the invention is characterised in that the radiation sensor is positioned transversely to the paths of the conveyor, whereas the radiation sensor is arranged so that it produces a signal representing attenuation of the radiation penetrating through the rod-like articles on the paths of the multi-path conveyor, situated between the radiation source and the radiation sensor.
  • the transverse positioning of the sensor enables including multiple paths in the scope of measurement, which enables increasing the number of simultaneously scanned rod-like articles with the scanning speed remaining unchanged.
  • the apparatus is characterised in that the radiation sensor is a linear sensor or a matrix.
  • the introduction of a linear sensor or a matrix enables further increasing of the possibilities of determining the physical parameters using a more detailed graphical analysis of the obtained signal representing attenuation of the radiation penetrating through the articles.
  • the apparatus is characterised in that the multi-path conveyor of rod-like articles is arranged so that it enables transferring the groups of rod-like articles in a single plane, parallel to one another. Placing the rod-like articles in a single plane, parallel to one another, makes it easier to produce a signal being easier to process.
  • the apparatus is characterised in that the multi-path conveyor of rod-like articles is arranged so that all rod-like articles in a group are aligned to one another. The alignment of the rod-like articles makes it easier to produce a signal being easier to process.
  • the apparatus as in the invention is further characterised in that the radiation sensor is situated beneath the carying surface of the multi-path conveyor.
  • the apparatus as in the invention is further characterised in that the radiation sensor is situated between the multi-path conveyor and a first hopper.
  • the apparatus as in the invention is further characterised by being provided with a rotating unit for simultaneous rotation of rod-like articles in a group at the time of measurement of the parameters of rod-like articles.
  • the apparatus as in the invention is further characterised in that the rotating unit is integrated with the first hopper.
  • the apparatus is characterised in that the source of radiation is a source of electromagnetic radiation of a frequency in the range between 10 12 and 10 19 Hz.
  • the use of electromagnetic radiation in this range enables measuring the parameters of rod-like articles containing materials with a high degree of radiation absorption in other frequency ranges.
  • the apparatus is characterised in that the source of radiation is arranged so that it produces radiation in the form of a sheet beam.
  • the beam shaping in the form of a sheet beam enables obtaining a strong signal while maintaining efficient radiation intensity, and enables avoiding negative effects of panoramic beam emitting.
  • the apparatus is characterised in that the source of radiation is arranged so that the intensity of emitted radiation is adjustable to the speed of the multi-path conveyor.
  • the apparatus is characterised in that the radiation sensor is arranged so that the exposure time of the radiation sensor depends on the speed of the multi-path conveyor. The adjustment of the radiation intensity and the exposure time relative to the speed of the multi-path conveyor enables obtaining the maximum measuring speed while maintaining the measuring accuracy; a greater intensity enables shortening the required exposure time, which results in an increased speed of the multi-path conveyor.
  • the apparatus is characterised by being further provided with a processing station which is adapted to collect the signal delivered from the radiation sensor and produce on its basis an image representing attenuation of the radiation along the length of at least one rod-like article.
  • the processing station enables obtaining an image of susceptibility generated on the basis of a series of linear or matrix measurements.
  • the physical parameters of the rod-like articles may be shown in the graphical form so that the entire group of rod-like articles can be seen in a single image in all analysed paths at full length of the rod-like articles.
  • An advantage of the apparatus as in the invention is a high certainty of correctness of the results for various materials.
  • Fig. 1 - shows a perspective view of a fragment of a production line
  • Fig. 2, 3, 4 - show a side view of the line of Fig. 1 ,
  • Fig. 5 - shows a rotating unit
  • Fig. 6 - shows a view of a multi-segment filter rod in a groove of a conveyor
  • Fig. 7, 8 - show an image of the rod of Fig. 6.
  • Fig. 1 shows a fragment of a production line comprising a first hopper 1 for rod-like articles 2, a multi-path conveyor 3 of rod-like articles 2 and a measuring unit 4.
  • the first hopper 1 which is a supplying device for the conveyor 3, is fed through a channel 5 (shown in the drawing as not filled with the articles), the upper part of the first hopper 1 constitutes a chamber 6, whereas the bottom part of the first conveyor 1 has the form of multiple channels 8 whose width is slightly greater than the diameter of the rod-like articles 2.
  • the channels 8 are closed from the bottom by a wall 9 on which the rod-like articles 2 are situated.
  • a pushing mechanism 10 which makes a reciprocating motion and pushes the group G of rod like articles 2 out of the channels 8, whereas the group G comprises respectively one lowest situated article 2 of each channel 8.
  • the rod-like articles 2 in the group G are aligned after being pushed out of the channels 8, i.e. their ends are arranged in line.
  • a pushing element 11 of the pushing mechanism 10 may have the form of multiple rod-shaped pushers 12 in a number corresponding to the number of the rod-like articles 2 in the group G.
  • the multi-path conveyor 3 has the form of a belt conveyor which comprises a multi-groove belt 13 which is wound round two rollers 14 and 15, whereas the roller 15 is driven by means of a not shown motor.
  • the spaces between the grooves 16 are adapted to the spaces between the channels 8.
  • the grooves 16, which constitute the carrying surface of the multi-path conveyor 3, may for example have the form of the letter V or the form of the letter U.
  • the multi-path conveyor 3 may also be a chain conveyor.
  • the grooves 16 determine the paths of movement for the rod-like articles 2, whereas in Fig.
  • the path of movement P is not limited to the space directly above the carrying surface of the multi-path conveyor 3, but it extends in the direction before and behind the multi-path conveyor 3 considering the direction of movement of the conveyor 3.
  • the paths of movement P of rod-like articles are parallel to one another and lie in the transferring plane A which may be determined on the surface of the multi-groove belt 13.
  • a radiation source 17 is situated, while beneath the surface of the multi-groove belt 13 a radiation sensor 18 is situated. It is possible to make a reverse configuration where the radiation source 17 is situated beneath the transferring plane A, and the radiation sensor 18 above it.
  • the radiation source 17 emits the radiation R which penetrates through the paths P in the transferring plane A and reaches the radiation sensor 18.
  • the radiation sensor 18 may have the form of a strip or a matrix, whereas the matrix may comprise a plurality of individual sensors.
  • the radiation sensor 18 may be arranged to receive the electromagnetic radiation of a frequency in the range between 10 12 and 10 19 Hz. In the embodiment the radiation sensor 18 was shown as a strip arranged to receive the radiation R.
  • the radiation source 17 and the radiation sensor 18 determine a plane B.
  • the plane B as well as the radiation sensor 18 in a top view is situated perpendicular to the direction of movement T of the rod-like articles 2 on the multi-groove belt 13, thus perpendicular to the axis of the articles 2 and to the paths of movement P.
  • the radiation source 17 may be arranged to generate a flat beam referred to as sheet beam, whereas such beam is directed at the radiation sensor 18. It is possible to use such radiation source 17 whose radiation intensity or exposure time will be adjustable to the speed of movement of the rod-like articles.
  • Behind the multi-path conveyor 3 there is situated a conveyor 19 onto which the rod-like articles 2 are supplied from the multi-path conveyor 3.
  • the conveyor 19 conveys the rod-like articles 2 transversely to the axis of these articles and transversely to the direction of movement T of the rod-like articles 2 on the multi-path conveyor 3.
  • the rod-like articles 2 are fed through the channel 5 in the form of a mass flow to the chamber 6 of the first hopper 1 , and then they pass through the channels 8 of the bottom part of the first hopper 1.
  • the pushing mechanism 10 makes reciprocating motions the rod-like articles 2 situated lowest in the channels 8 are pushed out as a group G from the channels 8 and are fed to the grooves 16 on the multi-groove belt 13.
  • the rod-like articles 2 move on multiple paths P along the grooves 16 of the conveyor 3.
  • the group G of rod-like articles 2 is conveyed on the belt 13 of the multi-path conveyor 3 in the direction T and passes through the plane B; a measurement is made when the article group G passes through this plane.
  • the radiation R emitted by the radiation source 17 penetrates through the transferred articles 2.
  • the radiation R while penetrating through the rod-like articles 2 is partially absorbed by the material of the articles 2.
  • the radiation R from the radiation source 17 penetrates to a different extent through different materials used in the rod-like articles 2 due to different radiation hardness of such materials.
  • the radiation sensor 18 receives the radiation R for successive positions of the rod-like articles 2, i.e. the representations of successive cross-sections of the rod-like article 2 are created in the form of successive lines which represent the attenuation of radiation in successive cross-sections of the rod-like articles 2. In other words, the sensor receives information about the properties of the material in successive cross-sections of the rod-like articles 2.
  • the signals S which contain information about the successive cross-sections are sent to the processing station 20 for successive cross-sections along the length of the rod-like articles.
  • the signals S may be converted to a single line of a created image.
  • the processing station 20, having received successive signals S, makes a compilation of such signals in order to obtain a two-dimensional image of the rod-like articles 2 in the group G.
  • the processing station 20 may prepare an image of the entire group, i.e. all articles in the group G, or separate images of individual articles of the group G, whereas it is possible for a receiver in the form of both a strip and a matrix.
  • FIGs. 2 and 3 show example locations of the measuring unit 4 comprising the radiation source 17 and the radiation sensor 18.
  • the rod-like articles 2 are transferred above the radiation sensor 18 with the travel speed of the multi-groove belt 13.
  • the radiation sensor 18 may be situated at a certain distance from the first hopper 1 (as in Fig. 2) or right next to the first hopper 1 (as in Fig. 3). If the measuring unit 4 is located right next to the first hopper 1 the transfer of the article group G above the radiation sensor 18 may be accomplished simultaneously with pushing out the article group G by the pushing mechanism 10.
  • the multi-path conveyor 3 has been moved away from the first hopper 1.
  • a first rotating unit 21 for simultaneous rotation of the rod-like articles 2 pushed out of the first hopper 1 in the form of the group G of rod-like articles 2.
  • the radiation sensor 18 receives the radiation emitted from the radiation source 17, and the images of rod-like articles are generated based on which the position of elements placed in the article may be determined in three dimensions.
  • the elements placed in the rod-like articles 2 comprise capsules with aromatic substances and various inserts made of metal or plastic.
  • the rotating unit 21 may be arranged to rotate the rod-like articles 2 after they have been pushed out by the pushing unit 10 or when the rod-like articles 2 are being pushed out by the pushing unit 10, whereas the rod-shaped pushers 12 of the pushing unit 10 may have the possibility of rotation around the axis of rotation of the rod-like articles 2.
  • the possibility of rotation of the rod-shaped pushers 12 reduces the friction between the rod-like articles 2 and the rod-shaped pushers 12 during the rotation of the rod-like articles 2 by the rotating unit 21.
  • Fig. 5 shows an embodiment of the rotating unit 21 in the form of two belts 22 and 23 which are put in motion during the rotation of the rod-like articles 2 so that the sections of the belts coming into contact with the rod-like articles 2 move in opposite directions TL and TR.
  • Fig. 6 shows an example of the rod-like article 2 in the form of a multi-segment filter rod situated along the path of movement P on the multi-groove belt 13.
  • the multi-segment filter rod contains components in the form of four segments 2A, 2B, 2C and 2D, whereas a capsule 2E is positioned in the segment 2C (the rod was shown as transparent without any wrapping material).
  • Fig. 7 shows a two-dimensional image of a multi-segment rod generated after that rod has been x-rayed, whereas the image may be generated on the basis of a measurement made with the aid of the method described above using the radiation sensor in the form of a strip as well as a two- dimensional matrix.
  • Fig. 8 shows an image of a multi-segment rod subjected to further processing.
  • Example dimensions such as segment lengths z1 , z2, z4, full rod length z6 and capsule position defined by the dimension z3 or z5 which may be used in the quality analysis have been marked.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)

Abstract

La présente invention concerne un appareil (1) pour l'identification de paramètres physiques d'articles en forme de bâtonnet (2) dans l'industrie du tabac pourvu d'un transporteur à trajets multiples (3) d'articles en forme de bâtonnet (2) alimenté en articles en forme de bâtonnet provenant d'un dispositif d'alimentation ; une source de rayonnement (17) agencée pour émettre un rayonnement (R) vers les trajets (P) du transporteur à trajets multiples (3) ; un capteur de rayonnement (18) agencé de sorte qu'il reçoive le rayonnement (R) provenant de la source de rayonnement (17), après que le rayonnement (R) ait pénétré à travers le transporteur à trajets multiples (3) d'articles en forme de bâtonnet (2) ; tandis que la source de rayonnement (17) et le capteur de rayonnement (18) sont situés sur les côtés opposés d'un plan de transfert (A) ; caractérisé en ce que le capteur de rayonnement (18) est positionné transversalement par rapport aux trajets (P) du convoyeur (3), tandis que le capteur de rayonnement (18) est agencé de façon à produire un signal (S) représentant l'atténuation du rayonnement (R) pénétrant à travers les articles en forme de bâtonnet (2) sur les trajets (P) du transporteur à trajets multiples (3), situé entre la source de rayonnement (17) et le capteur de rayonnement (18).
PCT/IB2017/052908 2016-06-03 2017-05-17 Appareil d'identification de paramètres physiques d'articles en forme de bâtonnet dans l'industrie du tabac WO2017208104A1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
RU2018141945A RU2018141945A (ru) 2016-06-03 2017-05-17 Устройство для идентификации физических параметров стержнеобразных изделий табачной промышленности
EP17735624.3A EP3465178B1 (fr) 2016-06-03 2017-05-17 Appareil d'identification de paramètres physiques d'articles en forme de bâtonnet dans l'industrie du tabac
CN201780034360.5A CN109219744A (zh) 2016-06-03 2017-05-17 用于识别烟草业的杆状物品的物理参数的设备
JP2018563161A JP2019522789A (ja) 2016-06-03 2017-05-17 たばこ産業における棒状物品の物理的パラメータ識別装置
BR112018074798-0A BR112018074798A2 (pt) 2016-06-03 2017-05-17 aparelho para identificação de parâmetros físicos de artigos similares a hastes da indústria de tabaco
KR1020187035202A KR20190016024A (ko) 2016-06-03 2017-05-17 담배 산업의 로드형 제품들의 물리적 파라미터들의 확인 장치
US16/303,603 US20190383756A1 (en) 2016-06-03 2017-05-17 Apparatus for identification of physical parameters of rod-like articles of the tobacco industry

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PL41739116 2016-06-03
PLPL417391 2016-06-03

Publications (1)

Publication Number Publication Date
WO2017208104A1 true WO2017208104A1 (fr) 2017-12-07

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Application Number Title Priority Date Filing Date
PCT/IB2017/052908 WO2017208104A1 (fr) 2016-06-03 2017-05-17 Appareil d'identification de paramètres physiques d'articles en forme de bâtonnet dans l'industrie du tabac

Country Status (1)

Country Link
WO (1) WO2017208104A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201800006412A1 (it) * 2018-06-18 2019-12-18 Unità e metodo di rilevazione per l’industria del tabacco

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0766518A1 (fr) * 1994-05-19 1997-04-09 Molins Plc Fabrication de cigarettes
US5762075A (en) * 1996-02-15 1998-06-09 Hauni Maschinenbau Ag Method of and apparatus for ascertaining the density of a stream of fibrous material
WO2012080686A1 (fr) * 2010-12-15 2012-06-21 Molins Plc Appareil de formation d'image de caractéristiques d'une tige
WO2015039851A2 (fr) * 2013-09-20 2015-03-26 British American Tobacco (Investments) Limited Inspection d'articles en forme de tige de l'industrie du tabac
EP2995207A1 (fr) * 2014-09-12 2016-03-16 International Tobacco Machinery Poland Sp. z o.o. Système de transport

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0766518A1 (fr) * 1994-05-19 1997-04-09 Molins Plc Fabrication de cigarettes
US5762075A (en) * 1996-02-15 1998-06-09 Hauni Maschinenbau Ag Method of and apparatus for ascertaining the density of a stream of fibrous material
WO2012080686A1 (fr) * 2010-12-15 2012-06-21 Molins Plc Appareil de formation d'image de caractéristiques d'une tige
WO2015039851A2 (fr) * 2013-09-20 2015-03-26 British American Tobacco (Investments) Limited Inspection d'articles en forme de tige de l'industrie du tabac
EP2995207A1 (fr) * 2014-09-12 2016-03-16 International Tobacco Machinery Poland Sp. z o.o. Système de transport

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201800006412A1 (it) * 2018-06-18 2019-12-18 Unità e metodo di rilevazione per l’industria del tabacco
WO2019243928A1 (fr) * 2018-06-18 2019-12-26 G.D S.P.A. Unité de détection et procédé pour l'industrie du tabac
CN112312778A (zh) * 2018-06-18 2021-02-02 吉地股份公司 用于烟草工业的检测单元和检测方法
JP2021527422A (ja) * 2018-06-18 2021-10-14 ジー．デー ソチエタ ペル アツィオニＧ．Ｄ Ｓｏｃｉｅｔａ Ｐｅｒ Ａｚｉｏｎｉ タバコ産業のための検出ユニットおよび方法
JP7444795B2 (ja) 2018-06-18 2024-03-06 ジー．デー ソチエタ ペル アツィオニ タバコ産業のための検出ユニットおよび方法

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