EP2965640A1 - Controle d'articles en forme de tige, en particulier cigarettes a filtre - Google Patents

Controle d'articles en forme de tige, en particulier cigarettes a filtre Download PDF

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Publication number
EP2965640A1
EP2965640A1 EP15174753.2A EP15174753A EP2965640A1 EP 2965640 A1 EP2965640 A1 EP 2965640A1 EP 15174753 A EP15174753 A EP 15174753A EP 2965640 A1 EP2965640 A1 EP 2965640A1
Authority
EP
European Patent Office
Prior art keywords
rod
shaped articles
drum
rows
conveyor
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
EP15174753.2A
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German (de)
English (en)
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EP2965640B1 (fr
Inventor
Denis Baron
Tobias Leifels
Norbert Hohenstein
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koerber Technologies GmbH
Original Assignee
Hauni Maschinenbau GmbH
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
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Application filed by Hauni Maschinenbau GmbH filed Critical Hauni Maschinenbau GmbH
Priority to PL15174753T priority Critical patent/PL2965640T3/pl
Publication of EP2965640A1 publication Critical patent/EP2965640A1/fr
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Classifications

    • 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 invention relates to a drum assembly of a machine of the tobacco processing industry, in particular drum assembly of a filter attachment machine, for transversely conveying of rod-shaped articles of the tobacco processing industry, in particular filter cigarettes, with a rotatable conveyor drum for the rod-shaped article.
  • the invention relates to a machine of the tobacco processing industry, in particular filter attachment machine, for the production of rod-shaped articles, in particular filter cigarettes.
  • the invention relates to a method for checking transversely promoted rod-shaped articles of the tobacco-processing industry, in particular for checking liquid-filled capsules in filter sections of filter cigarettes.
  • filter attachment machine is a device or machine for the production of filter cigarettes understood with means for receiving tobacco rods of double length with means for cutting these double-length tobacco sticks in tobacco sticks simple length, with means for introducing filter plug double length between the tobacco sticks simple length, with means for Connecting the double-length filter plug with the two tobacco rods of simple length by wrapping with a tipping paper sheet which is severed by means of a cutter from a supplied tipping paper strip, with means for subsequently making a cut through the double-length filter plug so that filter cigarettes of normal working length are formed.
  • a leak test and / or at least one head end test and / or a ventilation degree test and / or at least one optical test of the cigarettes are carried out in the filter attachment machine.
  • the leak test each individual cigarette is exposed to test air on a test drum.
  • the products or rod-shaped articles or filter cigarettes are examined by optical testing equipment on a filter attachment machine.
  • quality features are typically detected on the products of the tobacco processing industry such as holes, dimensions, object identification, punches, glue application, stains, the presence of filter elements, damage, and the like.
  • products of the tobacco-processing industry are in particular rod-shaped Article or objects such as cigarettes, filter rods, multi-segment filter rods and the like understood.
  • the object of the present invention is to improve the quality in the production of rod-shaped articles of the tobacco-processing industry on a machine, e.g. in the manufacture of filter cigarettes on a filter attachment machine.
  • a drum assembly of a machine of the tobacco-processing industry in particular drum arrangement of a filter attachment machine for Queraxialen conveyance of rod-shaped articles of the tobacco industry, especially filter cigarettes, with a rotatable conveyor drum for the rod-shaped article, the conveyor drum in the circumferential direction a number of arranged one behind another receiving troughs for a series of rod-shaped articles or two juxtaposed rows of successively arranged receiving troughs for each row of rod-shaped articles, wherein the conveyor drum is arranged, rod-shaped articles arranged in a row queraxial successively in receiving troughs of the conveyor drum or in two rows next to each other and each arranged transaxially one behind the other are received in receiving troughs of the conveyor drum, upon rotation of the conveyor drum in queraxialer Richtun to promote g wherein for one row or for each row of receiving wells one or each one, preferably stationary, measuring device is provided with a one-sided open passageway for portions of the rod-shaped article and in the
  • the invention is based on the idea that a machine of the tobacco processing industry, in particular Filteransetzmaschine, a drum assembly having a plurality of conveyor drums, wherein on a conveyor drum of the drum assembly, a measuring device for checking portions of the rod-shaped articles or filter cigarettes is provided.
  • a measuring device for checking portions of the rod-shaped articles or filter cigarettes is provided on a conveyor drum of the drum assembly.
  • liquid-filled capsules in filter stoppers of the cross-axially conveyed filter cigarettes are checked on a filter attachment machine after their production on the filter attachment machine by means of the measuring device.
  • a (single) measuring device with a passage for the sections of the rod-shaped articles is provided.
  • a measuring device each having a passage channel for two webs of each transversely axially arranged one behind the other rod-shaped articles the sections of the rod-shaped article of a series provided.
  • the filter or filter plug of the filter cigarettes are checked.
  • this filter or filter sections which are provided with liquid-filled capsules, checked.
  • a test device in the form of a microwave measuring device with a microwave resonator for the sections to be tested or filter of the filter cigarettes is provided, in which case the rod-shaped article with the respective sections to be tested by a unilaterally open lateral passage channel during rotation of the conveyor drum be and traverse the passageway of the measuring device, so that the introduced into the passageway sections, in particular filter sections of the filter cigarettes, on its conveying path through the passageway, eg a microwave measuring field to traverse in at least one microwave resonator of the measuring device.
  • the rod-shaped articles or filter cigarettes dip laterally crosswise into the microwave measuring device or a microwave resonator and there pass through the measuring field or resonant microwave measuring field excited therein.
  • the sections or filter sections to be tested completely enter a microwave measuring field which has a high field strength in the resonator.
  • the measuring devices are also specially designed for this cross-axially promoted lateral passage in order to allow the corresponding passage through the microwave resonator.
  • the quality of the filter cigarettes is monitored in the production of filter cigarettes on a Filteransetzmaschine before delivering the single-layer mass flow of filter cigarettes to a mass flow conveyor with multiple layers of filter cigarettes, being discharged depending on the measurement results filter cigarettes with defective capsules in filter sections from the further production process.
  • the sections of filter cigarettes, of two side-by-side, single-layer individual streams with filter cigarettes arranged transaxially one behind the other in each case are detected on a double-web filter tying machine.
  • the measuring device for a row or for each series of filter cigarettes or rod-shaped articles according to the invention each with an elongated, open on one side and in particular U-shaped passage for the sections to be tested rod-shaped article, wherein the filter cigarettes on one side with a Suction air acted upon holder can be held with a receiving trough for the filter cigarettes, so that the sections to be tested are introduced into the fork-shaped measuring device with the open passageway respectively.
  • the pairs of filter cigarettes of both rows are checked at the same time on the double-track filter tying machine.
  • the paired filter cigarettes for the examination are longitudinally axially spaced from each other.
  • a further development of the drum arrangement is characterized in that the measuring devices for the sections of the rod-shaped articles of the two rows are arranged between the two rows of receiving cavities of the conveyor drum for the rod-shaped articles.
  • the sections to be tested of the rod-shaped articles of the two rows and thus between the receiving troughs for the rod-shaped articles it is achieved that the sections of the rod-shaped articles of the two rows to be examined face one another.
  • the filter sections of the filter cigarettes to be tested are arranged in pairs on the conveyor drum.
  • the measuring device for a series of rod-shaped articles or each measuring device for the two rows of rod-shaped articles are arranged to check sections of the rod-shaped articles passing through the passageway of each or the measuring device respectively with electromagnetic waves in the range between 300 MHz (300 ⁇ 10 6 Hz) and 30 EHz (30 ⁇ 10 18 Hz).
  • the measuring device are suitable as sensors to be able to act on the sections of the rod-shaped articles to be tested with electromagnetic waves in the high-frequency range up to the range of X-rays depending on the application.
  • microwave sensors are preferred as the measuring device for the testing of liquid-filled capsules in filter rods.
  • capacitive high-frequency measuring devices for checking the rod-shaped articles or their sections.
  • light in particular laser light
  • diode lasers or solid lasers are suitable.
  • each measuring device for a row of rod-shaped articles or for each measuring device for the two rows of rod-shaped articles to be arranged in order to check sections of the rod-shaped articles passing through the passageway of each or the electromagnetic wave measuring device in the region between 1 GHz (1 ⁇ 10 9 Hz) and 20 GHz (20 ⁇ 10 9 Hz) or in the range between 10 MHz (10 ⁇ 10 6 Hz) and 300 MHz (300 ⁇ 10 6 Hz) or in the range between 300 GHz (300 ⁇ 10 9 Hz) and 300 THz (300 ⁇ 10 12 Hz).
  • an advantageous drum arrangement is characterized in that the receiving troughs for the passage of the sections of the rod-shaped article in the region of the passage channels of the measuring devices are formed opposite to the respective passage channel.
  • the conveyor drum has a, preferably outer, drum body, wherein the receiving troughs of the one row or the two rows opposite to the peripheral surface of the drum body of the conveyor drum are formed outwardly offset in the radial direction.
  • the receiving wells are arranged for the rod-shaped article relative to the drum body of the conveyor drum with an increase in the radial direction, whereby it is possible that the free ends of the to be tested Sections of the rod-shaped article are introduced during rotation of the conveyor drum in the passageway.
  • the conveyed rod-shaped articles are arranged on one side in a predetermined section of the rod-shaped articles in the shortened receiving troughs, wherein the portion of the rod-shaped articles, which are subjected to negative pressure in the receptacles provided therefor, by the rod-shaped articles during the promotion on the conveyor drum To keep negative pressure.
  • the receiving troughs of the two rows are formed in or on radially outwardly extending, in particular disk-shaped ring bodies or in or on radially outwardly extending arms.
  • a radial increase of the receiving wells relative to the drum body is achieved.
  • the distance, which is also referred to as a supernatant, between the trough bottom of the receiving wells and the drum body or the circumference of the drum body between 15 mm and 60 mm, in particular between 20 mm and 50 mm.
  • the length of the receiving wells of one row or the length of the receiving troughs of the two rows for the rod-shaped articles is between 15 mm and 40 mm, in particular between 15 mm and 35 mm or 30 mm, or that the width of the Annular body or the width of the arms for the rod-shaped article in each case between 15 mm and 40 mm, in particular between 15 mm and 35 mm or 30 mm.
  • the length of the receiving wells for the rod-shaped articles is dimensioned or formed such that the length of the For example, receiving troughs is between 1/6 and 2/5 of the length of the rod-shaped article to be conveyed.
  • the receiving troughs for the rod-shaped article in each case lateral support body for the articles to be tested in the passageways are made of a non-metallic material, in particular plastic, and the support body with rotation of the conveyor drum together with the testing sections of the rod-shaped article in the passage channels of the measuring device can be introduced and these traverse.
  • the receiving wells have lateral and projecting support body for the rod-shaped article or for the sections to be tested rod-shaped article, it is achieved that between the outer drum body of the conveyor drum and the support bodies in the radial direction is a free space, whereby the side of the Receiving troughs arranged supporting body can be introduced together with the arranged thereon portions of the rod-shaped article in the passageway of the measuring device without the support body influences the measurement by means of the measuring device.
  • the lateral support body to the receiving wells form a kind of extension of the receiving wells, in which case the material or the plastic is selected for the support body such that the plastic has a very low dielectric constant, whereby a sufficient contrast between the support body and for example by means of Measuring device detected capsule is achieved in a filter section.
  • the object is achieved by a machine of the tobacco processing industry, in particular filter attachment machine, for the production of rod-shaped articles, in particular filter cigarettes, which is formed with a preceding drum assembly.
  • a machine of the tobacco processing industry in particular filter attachment machine, for the production of rod-shaped articles, in particular filter cigarettes, which is formed with a preceding drum assembly.
  • the object is achieved by a method for checking transversely promoted rod-shaped articles of the tobacco processing industry, in particular for checking liquid-filled capsules in filter sections of filter cigarettes, in particular using a drum arrangement described above for Queraxialen conveying rod-shaped articles, wherein the rod-shaped article in a row transverse axial succession in each case in a series of receiving wells of a well conveyor, in particular conveyor drum, or wherein the rod-shaped articles in two rows next to each other and in each row queraxial successively in each case a number of receiving wells of a well conveyor, in particular conveyor drum, are included and in transversely axial direction are promoted, wherein for each one or each row of receiving troughs one, preferably stationary, measuring device with a , preferably elongated or transversely extended, unilaterally open passageway is provided for portions of the rod-shaped article, wherein during the cross-axial promotion of the rod-shaped article portions of the rod-shaped articles respectively on their conveying the unilaterally open passageway of each or a measuring device for the
  • the method is characterized in that the rod-shaped articles are arranged in the receiving troughs of one row or in the receiving troughs of each row each with laterally projecting from the receiving troughs sections, in particular filter sections in a conveyor region and / or that the rod-shaped article of two rows in pairs and longitudinal axial spaced from each other in the receiving troughs of the trough conveyor, in particular conveyor drum, are promoted.
  • This makes it possible for the measuring devices to be arranged between the two rows of rod-shaped articles.
  • the rod-shaped articles of the two rows it is advantageous for the rod-shaped articles of the two rows to be arranged on the tray conveyor such that the sections of the rod-shaped articles of the two rows provided and to be tested for the measuring devices are mutually aligned and wherein the measuring devices for the sections of the rod-shaped articles of the two rows are arranged between the two conveyed rows of rod-shaped articles.
  • the rod-shaped articles of the two rows are arranged on the tray conveyor such that the portions of the rod-shaped articles of the two rows provided and to be tested for the measuring devices are remote from each other and wherein the measuring devices for the sections of the rod-shaped articles of the two rows are arranged on the outside on the two conveyed rows of rod-shaped articles.
  • a development of the method is characterized in that sections of the rod-shaped articles to be tested pass through the passageway of each or the measuring device respectively with electromagnetic waves in the range between 300 MHz (300 ⁇ 10 6 Hz) and 30 EHz (30 ⁇ 10 18 Hz), in particular in the range between 1 GHz (1 ⁇ 10 9 Hz) and 20 GHz (20 ⁇ 10 9 Hz) or in the range between 10 MHz (10 ⁇ 10 6 Hz) and 300 MHz (300 ⁇ 10 6 Hz) or in the range between 300 GHz (300 ⁇ 10 9 Hz) and 300 THz (300 ⁇ 10 12 Hz).
  • the tray conveyor as a conveyor drum of the above-described drum assembly of a machine of the tobacco-processing industry, in particular Filteransetzmaschine, is formed, reference being made to avoid repetition of the above statements accordingly.
  • FIG. 1 a Filteransetzmaschine is shown in fragmentary form in a front view, wherein the Filteransetzmaschine via a drum assembly T for supplying tobacco sticks from a schematically drawn cigarette rod machine P tobacco sticks of double-use length receives.
  • a cigarette rod machine is known under the name "PROTOS" of the patent applicant.
  • the tobacco rods are cut twice the length of use and spread longitudinally axially.
  • the assembly drum 21 are transported over a further drum assembly M double-length filter plugs, which are inserted between two longitudinally spaced tobacco rods.
  • a sequence of tobacco rod filter plug tobacco rod groups arranged transaxially behind one another is formed on the assembly drum 21.
  • the liquid-filled capsules have.
  • the assembled article groups are transferred from the assembly drum 21 to a conveyor drum 22 and transported to a coating apparatus 10, the assembled tobacco rod filter plug tobacco rod groups.
  • a coating apparatus which is fully incorporated in the content of the present application.
  • a glued and conveyed tipping paper strip 11 is cut in the tipping apparatus 10 on a cutting drum 12 by the knives of a knife roller 13 in tufts or connecting laminae.
  • the cut compound leaflets are respectively transferred to the article groups or tobacco rod filter plug tobacco rod groups on the conveyor drum 22 or pinned.
  • the article groups are further transported to a subsequent rolling drum 26 and a rolling device 27 by which the bonding sheets are completely wrapped around the tobacco rod filter plug tobacco rod groups be wrapped around.
  • the rolling device 27 consists in one embodiment of a web wheel, a rolling hand with a rolling surface and the output side of a rolling roller, wherein the rolling surface and the rolling drum 26 form a rolling channel, are wrapped in the article groups with the connecting blades, with double-length filter cigarettes are formed.
  • the double-length filter cigarettes are subsequently transferred to a conveyor drum 28 and further below to a further conveyor drum 29 and provided for the further processing process on a filter attachment machine.
  • the double-length filter cigarettes are conveyed via a conveyor drum 30 to a cutting drum 31, on which a cutting blade 32 is arranged, which produces from the double-length filter cigarettes by a central separating cut filter cigarettes simple use length.
  • the filter cigarettes are then transferred from the cutting drum 31 to a spreading drum 33.
  • the pairs of filter cigarettes are spaced longitudinally from one another so that two (single-ply) rows are formed with filter cigarettes arranged transversely axially one behind the other.
  • the filter cigarettes of both longitudinally axially spaced rows i. pass the longitudinally axially spaced filter cigarettes to a test drum 34.
  • the filter cigarettes of both rows are each provided with a filter plug, each having at least one liquid-filled capsule.
  • a test device 44 which subjects the filter cigarettes of a test, for example, a head end test.
  • the filter cigarettes produced it is possible for the filter cigarettes produced to be subjected to a leak test and / or a head end test and / or a ventilation test on the test element 44.
  • an optical examination of the cigarettes on the test drum 34 is carried out by means of the test element 44 or a further test element.
  • the cigarettes are transferred from the test drum 34 to a subsequent conveyor drum 35, at which a schematically illustrated test device 45 with Mikrowellenresonatorvoriquesen (see. Fig. 2 ) for the two spaced-apart, single-ply rows of filter cigarettes for further quality-testing the manufactured filter cigarettes and for detecting the conditions of the liquid-filled capsules in the individual filter plugs or in the filter sections of the filter cigarettes produced on the filter attachment machine before the manufactured ones Filter cigarettes are transferred from the filter attachment machine to a subsequent (not shown here) mass flow transport device for the filter cigarettes.
  • FIG. 2 is a schematic section of the conveyor drum 35 of the filter attachment machine (see. Fig. 1 ) In cross-section with a test device 45 for the liquid-filled capsules in the filter plug of the conveyor drum 35 on the cross-axially funded filter cigarettes shown.
  • the conveyor drum 35 is part of a drum assembly of a filter attachment for Queraxialen conveyance of rod-shaped articles, in particular filter cigarettes and / or their components, wherein the drum assembly comprises a plurality of conveyor drum.
  • the conveyor drum 35 has a drum body 36, on the outside of which two spaced-apart annular bodies 37.1, 37.2 are arranged, which each have receiving cavities 38.1, 38.2 for the filter cigarettes 50.1, 50.2 produced on the filter attachment machine.
  • individual filter cigarettes 50.1, 50.2 are each part of a series of filter cigarettes, wherein the two rows of filter cigarettes 50.1, 50.2 longitudinally spaced apart from each other.
  • the filter cigarettes 50.1, 50.2 each have a tobacco rod 51.1, 51.2 and a filter plug 52.1, 52.2, wherein in the interior of the filter plug 52.1, 52.2 each a liquid-filled capsule 55 is introduced.
  • the length of the receiving wells 38.1, 38.2 is smaller than the length of the filter cigarettes 50.1, 50.2.
  • the length of the receiving wells 38.1, 38.2 is typically between 15 mm and 40 mm, in particular between 15 mm and 30 mm.
  • the symmetrically mutually arranged filter cigarettes 50.1, 50.2 are each arranged asymmetrically on the receiving wells 38.1, 38.2, wherein the tobacco rod 51.1, 51.2 is acted upon by means of a negative pressure provided with a holding vacuum and is held in the receiving wells 38.1, 38.2.
  • a narrow annular body 37.1, 37.2 is provided in each case for a series with filter cigarettes 50.1, 50.2 and a portion of the tobacco sticks 51.1, 51.2 of the filter cigarettes 50.1, 50.2 contact with the narrow receiving wells 38.1, 38.2 has, the filter cigarettes 50.1, 50.2 on one side held and arranged on the conveyor drum 35 so that a free space between the free, unsupported portions of the filter cigarettes 50.1, 50.2 with the respective filter plug 52.1, 52.2 and the outside of the drum body 36 is formed or formed.
  • This in Fig. 2 Test device 45 shown has two microwave measuring devices 60.1, 60.2, each having a passage channel 62.1, 62.2 for the free portions of the filter cigarettes 50.1, 50.2 with the unsupported, free filter plug 52.1, 52.2.
  • the passageways 62.1 62.2 are dimensioned such that the free sections with the facing filter plugs 52.1, 52.2 each pass through an electromagnetic wave measuring field, in particular in the microwave measuring field, the two microwave measuring devices 60.1, 60.2, so that the state of the liquid-filled capsules 55 in the filter plug 52.1, 52.2 individually and simultaneously checked or monitored.
  • the measurement results of the microwave measurement devices 60.1, 60.2 are each sent to an evaluation device 56, e.g. Machine control, transmitted, so that by means of the evaluation device 56, the filter cigarettes with a defective capsule 55 are removed after their detection from the further production process at a corresponding point, for example, at the filter attachment machine.
  • an evaluation device 56 e.g. Machine control
  • the U-shaped microwave measuring devices 60.1, 60.2 are arranged between the two annular bodies 37.1, 37.2 of the conveyor drum 35, so that the passage channels 62.1, 62.2 are directed outwards, whereby upon rotation of the conveyor drum 35, the sections of the filter cigarettes 50.1, 50.2 with each one Capsule 55 having filter plug 52.1, 52.2 are conveyed through the passageways 62.1, 62.2.
  • Fig. 3 shows a schematic perspective view of parts of an embodiment of an arrangement with a microwave measuring device 60, which is arranged on a conveyor drum of a filter attachment machine. For reasons of clarity, the marking of the conveyor drum was omitted.
  • the arrangement comprises a microwave measuring device 60 with a housing 72, which comprises a reflection resonator 74 with a microwave coupling 80.
  • An aperture 84 is indicated by dashed lines and separates the Mikrowelleneinkopplungshohlraum 80 from the reflection resonator 74.
  • a passageway 62 which is fork-shaped. This comprises a first wall 64 and a second wall 66 and is laterally closed by means of an end wall 68.
  • the passageway 62 in cross-section "U" -shaped. This prevents the microwave field in the interior of the resonator from escaping to a greater extent. Contributing to this is that the first wall 64 and the second wall 66 project significantly beyond the resonator cavity.
  • passageway 62 extends a conveying path 100 of rod-shaped articles, in this case filter cigarettes 50, the one Tobacco stick 51, which is only partially shown, as well as filter plug 52 with capsules 55 include.
  • the resonator cavity itself is covered by means of protective shields 326, 327, which consist of a material permeable to microwaves, for example PEEK (polyether ether ketone). This prevents dirt from entering the microwave resonator.
  • protective shields 326, 327 consist of a material permeable to microwaves, for example PEEK (polyether ether ketone). This prevents dirt from entering the microwave resonator.
  • the reflection resonator 74 is divided into three resonator cavity sections 325, 325 ', 325 ".
  • Fig. 4a and 4b These are schematic sectional views through an embodiment of a microwave measuring device 60. These are in each case sectional views through the microwave measuring device 60, in a sectional plane which extends longitudinally through the filter plug 52 with the capsule 55, the center of their conveying path 100 in the passageway 62 is arranged in Fig. 4a ), and in a section which extends transversely to the longitudinal extent of the filter plug 52, in Fig. 4b ).
  • the microwave measuring device 60 comprises several parts.
  • the microwaves are coupled in a microwave launch comprising a microwave launch cavity 330 and an antenna 336 that operates as both a launch antenna and a launch antenna.
  • the microwave injection cavity 330 is defined by a wall having a circular or oval aperture 84 through which microwaves penetrate into the resonator cavity 124.
  • the aperture can also have other shapes, or multiple apertures are possible, which can be selected, for example, according to the fed-in mode of the microwave field.
  • the resonator cavity 124 is divided by the passageway 62 into two separate resonator cavity sections 325, 325 '.
  • the continuation of the resonator cavity 124 in the passageway 62 itself may be considered as another resonator cavity portion 325.
  • the shields 326, 327 separating these resonator cavity portions 325, 325 'of the resonator cavity 124 from the passageway 62 are microwave permeable, so that a common resonator cavity 124 with two or three parts, the resonator cavity sections 325, 325 ', 325 ".
  • the middle resonator cavity section 325 is the one that lies in the passageway 62, while the other two are protected against contamination by microwave-permeable shields 326, 327, so that a consistently high quality of the reflection resonator 121 is ensured.
  • the resonator cavity 124 is closed by a reflection surface 332, which opposes the aperture 84. Microwaves that pass through the aperture 84 into the resonator cavity 124 are reflected at the reflective surface 332 and pass back through the aperture 84 to the antenna 336. In doing so, they pass through the passageway 62 with filter plugs 52 and capsules 55 optionally positioned therein.
  • the extension of the resonator cavity 124 in the cross-section in the longitudinal direction of the rod-shaped article is smaller than in the transverse direction thereto. This achieves a good resolution in the longitudinal extent of the rod-shaped article.
  • This can also be seen in the form and arrangement of the protective covers 326, 327, which cover only the portion around the desired position of capsules 55 in the filter plug 52 of the filter cigarettes 50. It is also possible to reverse the length and width ratios, so that the queraxial promoted rod-shaped article hits the broad side of the cross-section of the resonator cavity 124.
  • a good spatial resolution can be achieved transversely to the longitudinal extent of the rod-shaped article.
  • a plurality of similar microwave measuring devices 60 of the former type may be staggered one behind the other to scan the entire length of, for example, a filter plug 52 of a filter cigarette 50.
  • the microwave measuring field in the resonator cavity 124 is effectively prevented from leaking to the outside by the laterally projecting walls 64, 66 and the end wall 68.
  • the launching antenna 336 in the microwave injection cavity 330 is in FIG Fig. 4a) and 4b ) arranged laterally in the long side.
  • the opening of the aperture 84 is oval.
  • FIG. 5 In the subfigures a) and b) two different views of a corresponding waveguide resonator 134 are shown.
  • Fig. 5a shows a section across the resonator 134 and the fork 137, which comprises the conveying path of the cross-axially conveyed article, not shown.
  • the non-conductive window 142 can be seen that separate the passageway 62 of the sub-spaces 136, 136 'of the waveguide resonator 134 and protect against ingress of dust.
  • Fig. 5b shows a further perspective view of the waveguide resonator 134 with fork 137, wherein is seen in the passageway 62. It is recognizable, as well as in the cut of the Fig. 5a ), that the Duchtrittskanal 62 describes an arc section, corresponding to the conveying path on a drum trunk or conveyor drum.
  • Fig. 6 shows a schematic cross-sectional view of a microwave measuring device 60 with the helical microwave resonator 250 in a sectional plane extending in the longitudinal direction through a cross-axially subsidized cigarette with tobacco rod 51 and projecting portion, a filter plug 52 with a capsule 55.
  • This is conveyed transaxially through a passage 62 of the housing 260 of the measuring device.
  • it is conveyed through the measuring range of the helical microwave resonator 250, which has an annular-cylindrical resonator space 252, in the center of which a central column 254 is arranged, similar to an open coaxial resonator.
  • the helical microwave resonator 250 has a helical coil 256, which leads to a large increase in the quality factor of the microwave resonator.
  • the resonator 252 is covered with a protective cap 258 of a microwave-permeable material, preferably a plastic, so that the resonator 252 does not pollute during operation.
  • the filter plug 52 is in the closest approach to the helical microwave resonator 250.
  • the illustrated configuration may be operated at a microwave frequency of 5.58 GHz.
  • the microwave measuring device 60 comprises a resonator housing 432, which encloses a microwave resonator 434.
  • the microwave resonator 434 is a cavity which is enclosed by electrically conductive walls of the resonator housing 432 and in which a microwave measuring field can form.
  • Fig. 7a) and 7c also show parts of a coordinate system with an x-axis, a y-axis and a z-axis.
  • the x-axis extends in the direction of the longitudinal extension of the rod-shaped articles 50 or cigarettes 50, the z-direction extends in the conveying direction of the rod-shaped articles 50, while the y-direction is perpendicular thereto.
  • Fig. 7a therefore, a section is shown in an xy plane of this coordinate system.
  • the resonator housing 432 has centrally a lateral opening, which acts as a passageway 62 for the cigarettes 50.
  • This passageway 62 extends in the z-direction, which in Fig. 7a ) into the drawing plane.
  • the passageway 62 is separated from the interior of the microwave resonator 434 by a nonconductive window 442 enclosing the passageway 62 on three sides, so that no dust and contamination from the passageway 62 can penetrate from the cigarettes 50 into the microwave resonator 434, for example.
  • Fig. 7b shows the course of a typical microwave resonance field as a function of the x-direction.
  • the electric field 450 whose electric field E z is oriented in the z-direction, has in the illustrated exemplary embodiment in the x-direction two antinodes and a central wave node.
  • the two antennas 436, 436 ' are arranged in the x-direction at an x-position of one of the two antinodes, so that an ideal coupling and uncoupling of the microwave measuring field by the two antennas 436, 436' takes place.
  • other Einkopplungsorte and, for example, a magnetic coupling are possible.
  • the other shaft belly is located in the x-direction at a desired position of the capsule 55 in the filter 52 of the cigarettes 50. Capsules, which are in the region of the shaft belly Therefore, they generate a large signal with respect to the change of the resonant microwave measuring field, so that their filling and quality can be measured very accurately.
  • this position of the capsule 55 could also be set to a position at which the microwave measuring field has a wave node. In this case, there is a change in the microwave measuring field only if the capsule 55 does not occupy this desired position and thus feels an electric field which is not equal to zero, that is does not have the vanishing field strength of the wave node. In this case, a difference to a signal change is considered, which is caused by filter material anyway.
  • Fig. 7c shows a cross section through the microwave measuring device 60 in a yz plane. It can be seen that the microwave resonator 434 is tapered in the central area. The intersection of the microwave resonator 434 through the passageway 62 is clearly visible in this view. It can also be seen that the passageway 62 extends in a curved manner in accordance with the curvature of the conveying path of the cigarettes 50 on a trough drum.
  • an antenna 436 is passed through a non-conductive portion of the resonator 440 and in contact with an electronics 438, which is recessed into the resonator housing.
  • This electronics 438 may be, for example, a transmission electronics, which generates the microwave measuring field and coupled by the antenna 436 in the microwave resonator 434.
  • the antenna 436 ' is also provided with electronics 438' outside the microwave resonator 434 connected is. This may be a measuring and evaluation electronics 438 'which registers and evaluates changes in the measuring field.
  • Fig. 7d shows how the electric field 452 (E z ) extends in the y-direction. In this direction is the zero mode, which has only a wave belly and nodes on the outer walls. In this case as well, the trajectory of the capsules 55 thus runs with regard to their desired position through a wave bulge of the E field.
  • the microwave measuring field with a higher mode could also be selected in the y-direction so that the trajectory of the capsule 55 could run through a vibration node at its desired position in order to achieve a spatial resolution for deviations from the desired position.
  • FIG. 8 In the parts a) to c) various details and views of a capacitive RF measuring device 60 according to the invention are shown.
  • Fig. 8a shows a cross-section which runs vertically through the conveying trajectory 519 of a cross-axially promoted cigarette 50 with filter 52 and capsule 55 in the center of the filter 52. At this point, the cigarette 50 is conveyed with its projecting portion through a passageway 62 of the capacitive RF measuring device 60.
  • wall surface shown above consists of an electrically conductive electrode surface 538, which is isolated by means of an insulation 537 from the likewise metallic base body 536 of the RF measuring device 60. Through the insulation 537 extends a feed line 539, via which the electrode surface 538 is acted upon by a harmonic RF signal.
  • the in Fig. 8a ) underneath the cigarette 50 shown part of the capacitive RF measuring device 60 comprises as bottom of the passageway 62 and the opposite side of the electrically conductive base body 536 which is held at a ground potential, and two capacitor electrodes 542, 542 ', by means of an insulation 543 , 543 'are electrically insulated from the main body 536 and are connected to an electrical circuit via supply lines 544, 544'.
  • Fig. 8b the same capacitive RF measuring device 60 is shown in section in a section which includes the delivery trajectory 519 of the cigarette 60 and the filter 52 with the capsule 55. Since this is conveyed in a trough on a trough drum in the exemplary embodiment, the passage channel 62 in this area has a ring-segment-shaped configuration or describes a curve whose radius of curvature corresponds to the radius of the trough drum.
  • Fig. 8c shows a plan view of the lower surface of the passageway 62, that is, the grounded side of the capacitive RF measuring device 60.
  • Much of the area of this electrode consists of the surface of the grounded body 536 held at ground potential.
  • Centrally along the trajectory 519 of a capsule 55 are two capacitor electrodes 542, 542 'which are held to virtual ground.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)
EP15174753.2A 2014-07-08 2015-07-01 Controle d'articles en forme de tige, en particulier cigarettes a filtre Active EP2965640B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL15174753T PL2965640T3 (pl) 2014-07-08 2015-07-01 Badanie artykułów sztabkowych, zwłaszcza papierosów z filtrem

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014213244.4A DE102014213244A1 (de) 2014-07-08 2014-07-08 Prüfung von stabförmigen Artikeln, insbesondere Filterzigaretten

Publications (2)

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EP2965640A1 true EP2965640A1 (fr) 2016-01-13
EP2965640B1 EP2965640B1 (fr) 2018-12-05

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CN (1) CN105249529B (fr)
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Cited By (4)

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DE102015119722A1 (de) * 2015-11-16 2017-05-18 Hauni Maschinenbau Gmbh Anordnung, Maschine, Verfahren und Verwendung zum Überprüfen einer Zigarettenkopfqualität
EP3520631A1 (fr) * 2018-01-31 2019-08-07 G.D. S.p.A Procédé et appareil d'inspection des extrémités de segments en forme de tige de l'industrie du tabac
EP3593653B1 (fr) 2018-07-09 2023-03-29 Körber Technologies GmbH Dispositif de mesure pour un convoyeur à bande aspirante et convoyeur à bande aspirante doté d'un dispositif de mesure
IT202200010922A1 (it) * 2022-05-25 2023-11-25 Gd Spa Rilevatore elettromagnetico per la rilevazione di proprietà di prodotti dell’industria del tabacco

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CN110393310B (zh) * 2018-04-24 2022-05-17 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装置
CN110393309A (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光子检测系统
EP3914101A1 (fr) 2019-01-24 2021-12-01 Hauni Maschinenbau GmbH Contrôle de qualité de produits en forme de tige de l'industrie de transformation du tabac
CN110849842B (zh) * 2019-12-13 2023-10-27 首都师范大学 一种香烟爆珠的太赫兹检测系统及方法

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EP1241469A2 (fr) * 2001-03-15 2002-09-18 Hauni Maschinenbau AG Dispositif résonateur hyperfréquence pour des mesures sur du tabac
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JP3283574B2 (ja) 1992-06-30 2002-05-20 日本たばこ産業株式会社 たばこ製造機の紙巻たばこ軸方向移動装置
ITBO20060585A1 (it) * 2006-08-03 2008-02-04 Gd Spa Dispositivo per la rilevazione di una caratteristica di un materiale fibroso.
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EP2796061A1 (fr) * 2013-04-25 2014-10-29 Tews Elektronik Gmbh&co. Kg Dispositif et procédé de mesure de capsules dans des filtres de cigarettes
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EP0836809A1 (fr) * 1996-10-18 1998-04-22 G.D Societa' Per Azioni Procédé de contrÔle du remplissage de l'extrémité d'articles de tabac
EP1241469A2 (fr) * 2001-03-15 2002-09-18 Hauni Maschinenbau AG Dispositif résonateur hyperfréquence pour des mesures sur du tabac
EP1330961A1 (fr) * 2002-01-24 2003-07-30 G.D S.p.A. Procédé de détection et d'élimination de corps étrangers dans un courant de tabac
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DE102015119722A1 (de) * 2015-11-16 2017-05-18 Hauni Maschinenbau Gmbh Anordnung, Maschine, Verfahren und Verwendung zum Überprüfen einer Zigarettenkopfqualität
EP3520631A1 (fr) * 2018-01-31 2019-08-07 G.D. S.p.A Procédé et appareil d'inspection des extrémités de segments en forme de tige de l'industrie du tabac
EP3593653B1 (fr) 2018-07-09 2023-03-29 Körber Technologies GmbH Dispositif de mesure pour un convoyeur à bande aspirante et convoyeur à bande aspirante doté d'un dispositif de mesure
IT202200010922A1 (it) * 2022-05-25 2023-11-25 Gd Spa Rilevatore elettromagnetico per la rilevazione di proprietà di prodotti dell’industria del tabacco
WO2023228039A1 (fr) * 2022-05-25 2023-11-30 G.D S.P.A. Détecteur électromagnétique permettant la détection de propriétés de produits de l'industrie du tabac

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CN105249529B (zh) 2019-07-26
EP2965640B1 (fr) 2018-12-05
DE102014213244A1 (de) 2016-01-14
PL2965640T3 (pl) 2019-05-31
CN105249529A (zh) 2016-01-20

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