EP2769632B2 - Procédé de mesure et dispositif de mesure pour l'enregistrement de la position d'un objet dans une tige de filtre transportée en direction axiale longitudinale et machine de l'industrie de traitement du tabac - Google Patents

Procédé de mesure et dispositif de mesure pour l'enregistrement de la position d'un objet dans une tige de filtre transportée en direction axiale longitudinale et machine de l'industrie de traitement du tabac Download PDF

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Publication number
EP2769632B2
EP2769632B2 EP14155364.4A EP14155364A EP2769632B2 EP 2769632 B2 EP2769632 B2 EP 2769632B2 EP 14155364 A EP14155364 A EP 14155364A EP 2769632 B2 EP2769632 B2 EP 2769632B2
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EP
European Patent Office
Prior art keywords
measuring
filter
filter strand
determined
processing industry
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EP14155364.4A
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German (de)
English (en)
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EP2769632B1 (fr
EP2769632A1 (fr
Inventor
Dirk Sacher
Hanno Gast
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Koerber Technologies GmbH
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Hauni Maschinenbau GmbH
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Application filed by Hauni Maschinenbau GmbH filed Critical Hauni Maschinenbau GmbH
Priority to PL14155364.4T priority Critical patent/PL2769632T5/pl
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    • 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
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/02—Manufacture of tobacco smoke filters
    • A24D3/0295—Process control means

Definitions

  • the invention relates to a measuring method for detecting the position of an object, in particular a capsule-shaped object, in a filter train in the tobacco processing industry that is conveyed along the longitudinal axis.
  • the invention also relates to a corresponding measuring arrangement and a machine in the tobacco processing industry.
  • capsules containing special aromas are increasingly being introduced into the filter material.
  • the capsules can be crushed by the consumer immediately before consumption in order to release the aromatic substances in a targeted and fresh manner into the filter.
  • one capsule per filter is automatically inserted into the filter rod of a production machine using an insertion device.
  • the exact position in the axial or strand direction is important for the further processing of the product, so that, for example, any laser perforation on the finished product does not damage the capsule.
  • the wrapping paper of the end product usually has a marking of the capsule position in order to make it easier for the consumer to crush the capsule, which is then no longer visible. The capsule should then always be exactly below the mark in the axial direction.
  • the WO 2009/099793 A2 discloses a measuring device for determining the condition of an object in a filter rod of a filter rod manufacturing machine.
  • the condition to be determined includes, for example, the absence of an object, incorrect arrangement or defective object.
  • the measuring device can have, for example, a microwave sensor, a beta radiation sensor, an infrared sensor or an X-ray sensor.
  • a microwave measuring device for determining the position of the capsule in the longitudinal axial direction of the rod in a filter rod machine is known.
  • the rotational speed of a capsule insertion wheel or a cutting device for cutting the filter rod into filter rods can be controlled.
  • the capsule can be damaged or destroyed, especially in further processing.
  • a filter with a capsule in a cigarette manufacturing machine is subject to different forces, e.g. during the rolling process with a starting bar. If the capsule is damaged or destroyed, the flavoring is released in an uncontrolled manner and the desired controlled release by the consumer of the end product is no longer possible.
  • attempts have been made with great design effort to avoid mechanical stress on the capsule, which is not always in the middle, from the outset, for example by means of undercuts, avoidance of guides in the vicinity of the capsule, etc. However, these efforts are subject to design limits.
  • WO 2011/083406 A2 discloses a measuring method for detecting an object in a longitudinally axially conveyed filter rod in the tobacco processing industry, the filter rod being irradiated on the casing side along at least three optical axes which are mutually independent of one another.
  • EP 1 557 100 A1 discloses a device for testing a filter rod in the tobacco processing industry using the transmitted light method, the light propagating in the filter rod in a conical manner as a result of scattering in the filter material of the filter rod.
  • U.S. 4,986,285 discloses a method for determining the density of tobacco material in a tobacco rod by means of transmission of infrared light along three independent optical axes.
  • the invention is based on the object of providing a measuring method and a measuring arrangement in which the probability of damage to the object during filter production or processing and thus of a defective end product can be reduced.
  • the position of the object can be determined easily and with high accuracy in two directions perpendicular to the axis of the filter rod due to the radiation through the filter rod on the casing side by means of at least three optical axes which are mutually independent of one another.
  • different suitable measures can be taken in order to be able to prevent damage to the inserted object during further processing.
  • Elaborate structural measures to avoid mechanical stress on an object that is not located in the center are unnecessary due to the invention.
  • the use of an optical measuring device is generally less complex and therefore considerably more cost-effective than the microwave measuring devices used in the prior art. If the position of the object in the direction of the strand is advantageously also determined from the measurement signals, maximum position information is available in all three spatial directions.
  • the object can in particular be a hollow object and filled with an in particular liquid aroma substance.
  • These are preferably discrete objects, ie objects that are not continuous in the strand direction and are arranged at a regular axial distance from one another, in particular capsules or spheres.
  • a continuous object such as, for example, a thread impregnated with flavoring substance is not ruled out in principle.
  • the optical measuring device preferably works in the visible wavelength range and/or in the infrared range.
  • An ultraviolet measuring device is also conceivable.
  • the optical axes of the measuring device preferably enclose an angle of at least 30°, more preferably at least 45°, with one another, as a result of which the accuracy of the position determination can be increased.
  • the optical axes are particularly advantageously arranged at equal angular distances around the filter rod.
  • Each optical axis is expediently assigned a single-axis measuring device with a light source and a sensor.
  • the light source and sensor of each measuring device are preferably arranged on opposite sides of the filter rod.
  • the measuring devices therefore work advantageously using the radiographic method.
  • the number of optical axes is particularly advantageously three, as a result of which the invention is implemented with a minimum of effort.
  • a deviation of the determined position from a target position is preferably determined. This enables an advantageous good/bad evaluation of the position of the object based on a comparison of the determined deviation with a preferably adjustable threshold value.
  • a position signal containing information on the determined position of the objects is automatically and continuously provided in a filter production or filter processing machine.
  • the position signal is preferably provided in a cycle-related manner relative to the cycle of a machine in the tobacco processing industry.
  • a device for inserting the objects into the filter rod is controlled and/or regulated according to the invention.
  • the two-dimensional position of the inserted object can advantageously also be adjusted or controlled perpendicularly to the line axis, with the actual value of the position measured by the measuring device corresponding to the generally central setpoint value of the position in the filter line.
  • the axial position of the object can also be adjusted or regulated.
  • the clock-related position signal can advantageously be used to eject filter elements with an incorrect object position.
  • the position information can advantageously be displayed on an operator terminal of a filter-processing machine.
  • the filter rod manufacturing machine 10 comprises a filter tow processing unit 120 and a subsequent filter rod machine 140.
  • a filter tow strip 61 is stretched after being pulled off the filter tow bale 110, spread out and sprayed with a plasticizer, for example triacetin.
  • the strip of material 61 prepared in this way is subsequently fed to the filter rod machine 140 , in particular through an inlet funnel 141 .
  • a format device 53 is provided in the filter rod machine 140, which forms a filter rod 40 from the filter tow strip 61 by wrapping it with a wrapping strip (not shown) drawn off a bobbin.
  • An insertion device 42 for inserting capsules filled with flavoring substance and removed from a reservoir 12 into the material strip 61 is arranged between the inlet hopper 141 and the format device 53 .
  • the insertion device 42 can be designed in different ways, for example as an insertion wheel, insertion finger, or in some other suitable way.
  • the insertion device 42 is preferably adjustable with regard to the axial position and the position of the capsules perpendicular thereto in the filter rod.
  • the insertion device 42 can be controlled by an electronic control unit 13 with regard to the axial and perpendicular position of the capsules in the filter rod.
  • the insertion device 42 is arranged in the filter tow processing unit 120 .
  • the filter rod 40 is cut into filter rods 41 by means of a cutting device 46, which usually have a multiple, for example double, useful length.
  • a cutting device 46 which usually have a multiple, for example double, useful length.
  • One capsule is usually provided for each filter element corresponding to a cigarette.
  • a reject device 51 can be provided, which is set up to remove individual filter rods 41 identified as defective from the filter flow, for example by means of compressed air.
  • the filter rods 41 are temporarily stored or fed to subsequent processing, for example in a cigarette manufacturing machine.
  • optical measuring device 45 arranged, by means of the two-dimensional position (x, y) perpendicular to the filter rod and preferably also the axial position (z) of the capsules 20 in the filter train 40 is continuously determined.
  • the measuring device 45 therefore provides a signal with the continuous coordinates of the capsule in the x, y and z directions.
  • the determined position of the capsules is transmitted to the electronic control unit 13 and displayed, for example, on an operator terminal 14 connected to the control unit 13 .
  • the control unit 13 preferably regulates the insertion device 42 in such a way that the two-dimensional position of the capsules, determined by the measuring device 45, corresponds perpendicularly to the filter rod, in particular to the desired central position.
  • the axial position of the capsules is preferably also regulated to its desired value in a similar manner.
  • capsules whose distance from the particularly central target position exceeds a specific threshold value can also be ejected by actuating the reject device 51 .
  • the cutting device 46 can also be controlled or regulated in such a way that the axial position of the capsule in the individual filter element corresponds to the desired axial position.
  • the measuring device 45 comprises a plurality of here three measuring devices 15, 15', 15".
  • Each measuring device 15 (15', 15") is preferably a uniaxial measuring device and comprises a light source 16 (16', 16") and a light-sensitive sensor element 17 (17', 17"), which are arranged along an optical axis 18 (18', 18") in such a way that the light from the light source 16 (16', 16") entering the filter rod 40 on the casing side passes through the filter rod, on the casing side exits the filter rod 40 and falls on the light-sensitive sensor element 17 (17', 17").
  • the light sources 16, 16', 16" can be light-emitting diodes, for example.
  • the light-sensitive sensor elements can be photodiodes or CCD elements, for example.
  • the light sources 16, 16′, 16′′ and/or the sensor elements 17, 17′, 17′′ can be arranged at a distance from the filter train 40, in which case the optical connection to the filter train 40 can be made in particular by means of light guides. This enables a small design and a flexible arrangement of the measuring device 45.
  • the measuring devices 15, 15', 15'' can work with red light or infrared light, for example.
  • the measuring devices 15, 15′, 15′′ and the optical axes 18, 18′, 18′′ are preferably arranged perpendicular to the axis of the strand and advantageously independently of one another, ie they intersect in a view along the axis of the strand as in FIG figure 2 at a non-zero angle of preferably at least 30°, more preferably at least 45°.
  • the measuring devices 15, 15′, 15′′ and the optical axes 18, 18′, 18′′ are preferably arranged regularly or at equal angular distances, here 60°, relative to one another around the filter rod 40 .
  • the measuring devices 15, 15′, 15′′ are in the embodiment according to figure 2 arranged in the same plane, in particular perpendicular to the strand axis.
  • the measuring devices 15, 15', 15" can also be arranged one behind the other in the direction of the rod or at an axial distance from one another or at different axial positions of the filter rod. This can be advantageous in order to avoid unwanted interference between the measuring devices 15 , 15', 15" to prevent.
  • the wavelength of the measuring devices 15, 15', 15" is advantageously chosen such that the filter material 21, in particular cellulose acetate fibers, and the enveloping strip cause only a slight attenuation of the light emitted by the light sources 16, 16', 16" compared to the capsule 20.
  • the filter material 21 and the wrapping strip are thus essentially translucent or transparent with respect to the measurement wavelength.
  • Each of the measuring devices 15, 15′, 15′′ therefore essentially measures the shading of the light emitted by the corresponding light source 16, 16′, 16′′ by the capsule 20.
  • the measuring signal is all Measuring devices 15, 15', 15" are ideally of the same size.
  • the measuring signals of the measuring devices 15, 15', 15" differ from one another.
  • the corresponding evaluation of the measurement signals is carried out in the electronic control unit 13 .
  • the measuring signals are continuously taken from the measuring devices 15, 15′, 15′′. Due to the transport of the filter rod 40 in the direction of the rod, there is a time course as shown in FIGS Figures 3 and 4 is reproduced.
  • the curves I, I' and I" represent the measurement intensity of the measurement signals recorded by the light-sensitive sensor elements 17, 17' and 17". Due to the transport in the z-direction, the curves reflect the progression in the z-direction.
  • the capsule 20 is in the center of the measuring plane in the direction of the strand. In this position, the measurement intensity is minimal due to the shadowing of the incident light by the capsule 20.
  • the areas of maximum intensity in the Figures 3 and 4 correspond to the phases between the capsules, where the light falls unhindered through the capsules 20 onto the light-sensitive sensor elements 17, 17' or 17".
  • the duration of the curves in Figures 3 and 4 extends over each slightly more than a capsule length 20.
  • FIG 3 shows the course of measurement for a capsule 20 that is ideally located in the middle.
  • all curves I, I', I" are at the same minimum intensity level.
  • FIG 4 the course of measurement for an eccentric position of the capsule 20 is shown.
  • the curves I, I', I" are at different intensity levels at time t o .
  • the measuring device 45 can also have more than three measuring devices 15, 15', 15", . . . , as a result of which the measuring accuracy can be increased if necessary.
  • the measuring device 45 can also perform other functions, for example segment monitoring or control, for example in the case of filter segments of a multi-segment filter having different translucency, and/or gap monitoring.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)

Claims (12)

  1. Procédé de mesure pour l'enregistrement de la position d'un objet (20), en particulier en forme de capsule, dans une tige de filtre (40) de l'industrie de traitement du tabac transportée en direction axiale longitudinale, de radiation étant transmise à travers la surface périphérique de la tige de filtre (40) le long d'au moins trois axes optiques (18, 18', 18"), qui sont disposés mutuellement indépendamment les uns des autres, moyennant quoi au moins trois signaux de mesure indépendants sont obtenus, et la position de l'objet (20) est déterminée dans deux directions perpendiculaires à la tige de filtre (40) par une combinaison adaptée des signaux de mesure, le procédé étant un procédé transmettant, l'effet d'ombre du rayonnement optique traversant la tige de filtre (40) créé par l'objet (20) étant respectivement mesuré, caractérisé en ce qu'un signal de position, qui contient des informations sur la position déterminée, est fourni de manière automatique et continue, un moyen (42) destiné à mettre en place les objets (20) dans la tige de filtre (40) étant commandé et/ou régulé au moyen du signal de position.
  2. Procédé de mesure selon la revendication 1, caractérisé en ce qu'un écart de la position déterminée par rapport à une position de consigne est déterminé.
  3. Procédé de mesure selon la revendication 2, caractérisé en ce qu'une évaluation bon/mauvais de la position de l'objet (20) est effectuée à l'aide d'une comparaison de l'écart déterminé avec une valeur seuil.
  4. Procédé de mesure selon l'une des revendications précédentes, caractérisé en ce que le signal de position est fourni de manière relative à la cadence par rapport à la cadence d'une machine (140) de l'industrie de traitement du tabac.
  5. Procédé de mesure selon la revendication 4, caractérisé en ce que le signal de position est utilisé pour l'exclusion d'éléments de filtre (41) avec une position d'objet incorrecte.
  6. Procédé de mesure selon l'une des revendications précédentes, caractérisé en ce que l'information de position est affichée sur un pupitre de commande (14) d'une machine (10) de traitement des filtres.
  7. Agencement de mesure comprenant un dispositif de mesure (45) pour l'enregistrement de la position d'un objet (20) dans une tige de filtre (40) de l'industrie de traitement du tabac transportée en direction axiale longitudinale et une unité de commande électronique (13) destinée à l'exploitation des signaux de mesure transmis par le dispositif de mesure (45), le dispositif de mesure (45) étant configuré pour transmettre de radiation à travers la surface périphérique de la tige de filtre (40) le long d'au moins trois axes optiques (18, 18', 18"), qui sont disposés mutuellement indépendamment les uns des autres, et pour la génération d'au moins trois signaux de mesure indépendants correspondants, et l'unité de commande électronique (13) étant configurée pour la détermination de la position de l'objet (20) dans un plan perpendiculaire à la tige de filtre (40) par une combinaison adaptée des signaux de mesure, le dispositif de mesure (45) étant configuré pour la mesure respectivement de l'effet d'ombre du rayonnement optique traversant la tige de filtre (40) créé par l'objet (20), caractérisé en ce que l'unité de commande électronique (13) est configurée pour la commande et/ou la régulation d'un moyen (42) destiné à mettre en place les objets (20) dans la tige de filtre (40) au moyen d'un signal de position, qui est fourni de manière automatique et continue et qui contient des informations sur la position déterminée.
  8. Agencement de mesure selon la revendication 7, caractérisé en ce que les axes optiques (18, 18', 18") du dispositif de mesure (45) forment mutuellement un angle d'au moins 30° les uns avec les autres.
  9. Agencement de mesure selon l'une des revendications 7 ou 8, caractérisé en ce que les axes optiques (18, 18', 18") sont disposés autour de la tige de filtre (40) à des écarts angulaires réguliers.
  10. Agencement de mesure selon l'une des revendications 7 à 9, caractérisé en ce qu'un moyen de mesure (15, 15', 15") doté d'une source lumineuse (16, 16', 16") et d'un élément capteur photosensible (17, 17', 17"), qui sont disposés en particulier sur des côtés opposés de la tige de filtre (40), est associé à chaque axe optique (18, 18', 18").
  11. Agencement de mesure selon l'une des revendications 7 à 10, caractérisé en ce que le nombre des axes optiques (18, 18', 18") ou des moyens de mesure (15, 15', 15") optiques est de trois.
  12. Machine de l'industrie de traitement du tabac, en particulier machine de fabrication de filtres (140), caractérisée en ce qu'elle comprend un agencement de mesure selon l'une des revendications 7 à 11.
EP14155364.4A 2013-02-26 2014-02-17 Procédé de mesure et dispositif de mesure pour l'enregistrement de la position d'un objet dans une tige de filtre transportée en direction axiale longitudinale et machine de l'industrie de traitement du tabac Active EP2769632B2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL14155364.4T PL2769632T5 (pl) 2013-02-26 2014-02-17 Sposób pomiaru i układ pomiarowy do rejestrowania położenia obiektu w transportowanym wzdłużnie osiowo paśmie filtra, i maszyna dla przemysłu tytoniowego

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102013203140.8A DE102013203140A1 (de) 2013-02-26 2013-02-26 Messverfahren und Messanordnung zur Erfassung der Lage eines Objekts in einem längsaxial geförderten Filterstrang, und Maschine der Tabak verarbeitenden Industrie

Publications (3)

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EP2769632A1 EP2769632A1 (fr) 2014-08-27
EP2769632B1 EP2769632B1 (fr) 2017-11-01
EP2769632B2 true EP2769632B2 (fr) 2022-03-30

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EP (1) EP2769632B2 (fr)
CN (1) CN104000304B (fr)
DE (1) DE102013203140A1 (fr)
PL (1) PL2769632T5 (fr)

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CN104965495A (zh) * 2015-06-12 2015-10-07 河南中烟工业有限责任公司 一种滤棒生产信息显示***及其滤棒产率检测方法
CN107470169A (zh) * 2016-06-07 2017-12-15 贵州中烟工业有限责任公司 一种烟卷的分拣方法、控制装置及烟卷的分拣***
PL233097B1 (pl) * 2016-06-10 2019-09-30 Int Tobacco Machinery Poland Spolka Z Ograniczona Odpowiedzialnoscia Urządzenie do określania położenia wkładki w artykułach prętopodobnych przemysłu tytoniowego
CN110393308A (zh) * 2018-04-24 2019-11-01 贵州中烟工业有限责任公司 一种胶囊类卷烟内胶囊的检测方法及装置
DE102018129256A1 (de) * 2018-06-29 2020-01-02 Hauni Maschinenbau Gmbh Vorrichtung und Verfahren zur optischen Messung an einem Produktstrang der Tabak verarbeitenden Industrie und Verwendung einer optischen Messvorrichtung
GB201811223D0 (en) * 2018-07-09 2018-08-29 Mprd Ltd Apparatus for analysing a rod-shaped article
CN109856082A (zh) * 2018-12-17 2019-06-07 深圳市太赫兹科技创新研究院有限公司 香烟滤嘴中爆珠的检测方法与检测装置
CN110542398A (zh) * 2019-09-29 2019-12-06 四川三联新材料有限公司 一种爆珠滤棒中爆珠定位偏移原因的鉴定方法
PL3918928T3 (pl) 2020-06-03 2023-05-08 International Tobacco Machinery Poland Sp. Z O.O. Sposób i urządzenie do wytwarzania sztabek

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DE2732520A1 (de) † 1977-06-21 1979-01-04 Baumgartner Papiers Sa Verfahren zur ueberpruefung eines stranges, einrichtung zur durchfuehrung des verfahrens und anwendung des verfahrens
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GB2149913A (en) † 1983-11-18 1985-06-19 Molins Plc Cigarette filter rod inspection
EP1091203A2 (fr) † 1999-10-08 2001-04-11 British-American Tobacco (Germany) GmbH Procédé de mesure des particules d'un flux de particules de tabac
EP1702524A1 (fr) † 2005-03-17 2006-09-20 Hauni Maschinenbau AG Détection des inhomogénéités dans une tige de filtre
WO2012130402A1 (fr) † 2011-03-30 2012-10-04 Hauni Maschinenbau Ag Procédé et dispositif pour mesurer une propriété physique interne d'un article en forme de barre de l'industrie du tabac, qui est transporté en direction de l'axe longitudinal

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PL2769632T5 (pl) 2022-07-25
CN104000304B (zh) 2017-12-26
EP2769632B1 (fr) 2017-11-01
CN104000304A (zh) 2014-08-27
EP2769632A1 (fr) 2014-08-27
DE102013203140A1 (de) 2014-08-28
PL2769632T3 (pl) 2018-03-30

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