EP1026079B1 - Procédé et dispositif pour détecter et rejeter des cigarettes défectueuses ou mal positionées - Google Patents

Procédé et dispositif pour détecter et rejeter des cigarettes défectueuses ou mal positionées Download PDF

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Publication number
EP1026079B1
EP1026079B1 EP00100309A EP00100309A EP1026079B1 EP 1026079 B1 EP1026079 B1 EP 1026079B1 EP 00100309 A EP00100309 A EP 00100309A EP 00100309 A EP00100309 A EP 00100309A EP 1026079 B1 EP1026079 B1 EP 1026079B1
Authority
EP
European Patent Office
Prior art keywords
cigarette
cigarettes
image
magazine
evaluation
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.)
Expired - Lifetime
Application number
EP00100309A
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German (de)
English (en)
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EP1026079A3 (fr
EP1026079A2 (fr
Inventor
Heinz Focke
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.)
Focke and Co GmbH and Co KG
Original Assignee
Focke and Co GmbH and Co KG
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 Focke and Co GmbH and Co KG filed Critical Focke and Co GmbH and Co KG
Publication of EP1026079A2 publication Critical patent/EP1026079A2/fr
Publication of EP1026079A3 publication Critical patent/EP1026079A3/fr
Application granted granted Critical
Publication of EP1026079B1 publication Critical patent/EP1026079B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/34—Sorting according to other particular properties
    • B07C5/342—Sorting according to other particular properties according to optical properties, e.g. colour
    • B07C5/3422—Sorting according to other particular properties according to optical properties, e.g. colour using video scanning devices, e.g. TV-cameras
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S131/00—Tobacco
    • Y10S131/906—Sensing condition or characteristic of continuous tobacco rod
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S131/00—Tobacco
    • Y10S131/91—Sensing or detecting malfunction in cigar or cigarette maker

Definitions

  • the invention relates to a method and an apparatus for Detect as well as a method and a device for elimination incorrectly and / or incorrectly positioned, in particular transverse, cigarettes in the cigarette magazine one Cigarette manufacturing or packaging machine.
  • Cigarette manufacturing or packaging machines have in usually a cigarette store in which cigarettes when Unexpectedly sink to lie across the other cigarettes come and individual lying below the storage part Block manholes or shaft groups. Subsequent cigarettes can then no longer in the respective shafts or Shaft groups arrive. This leads to the failure of the respective Shafts or shaft groups. The elimination of such faults is tedious and costly, as a rule the machine is to be switched off.
  • the invention is therefore based on the problem of avoiding interference to improve in the cigarette magazine.
  • the advantage of this method or device is the monitoring of a larger range of cigarettes and not just individual cigarette ends because thus an overview of the orientation of the cigarettes is obtained. It is therefore provided an image of a larger area of the cigarette magazine, namely a large number of cigarettes, to be recorded and subjected to an image processing. Finally, deviations can occur using image processing methods Reference images or reference values determined and, if necessary, a corresponding one Error signal are generated. This enables transverse cigarettes to be recognized.
  • Cigarettes in addition to incorrectly positioned Cigarettes - also defective cigarettes recognizable.
  • a missing filter can be diagnosed by image processing. But there are Cracked or broken cigarettes can also be identified, as these are also a deviation to a reference image.
  • the error signal is preferably audible or optically, e.g. by a siren or horn or a warning light. Such a signal then prompts the operator to intervene. It however, automatic troubleshooting can also be carried out.
  • Cigarettes are produced using a method having the features of claim 4 and solved with a device with the features of claim 9.
  • a plurality of adjacent ejection zones with a corresponding one are preferred Number of ejection units provided. This has the advantage that do not eject the cigarettes across the entire width of the cigarette magazine Need to become. This can result in a transverse cigarette extends over two ejection zones. In this case, are preferred two adjacent ejection units operated and one accordingly ejected more cigarettes.
  • the front and rear walls of the ejection unit are preferably of such different sizes Size or contour that the contour of the Rear wall is at least one cigarette width larger than that Contour of the front wall. This prevents jamming of cigarettes only partially covered by the front wall.
  • Fig. 1 shows a cigarette magazine 10, which has a storage part 11 and four shaft groups 12 arranged underneath. Each of these well groups has seven wells of essentially Cigarette width.
  • FIG. 1 Frontal view only the filter side or opposite To see end of cigarette 13. That is, the multitude of Cigarettes are parallel to each other and level, the cigarette ends of all cigarettes 13 ideally lie essentially in a vertical plane.
  • the depth of the cigarette magazine 10, in particular the depth of the cigarettes 13 receiving space of the cigarette magazine 10 corresponds essentially a cigarette length or is slight larger than a cigarette length.
  • the cigarettes 13 pass through an upper opening 14 into the Cigarette magazine 10. As a result of gravity, the cigarettes sink 13 down into the cigarette magazine 10, where they go to the Shaft groups 12 arrive. At the outlet of the shaft groups 12 are the cigarettes 13 corresponding to that of a pack grouping to be recorded.
  • the cigarette magazine 10 also has four vibrating bars 15, which ensure a uniform Lower the cigarettes 13 into the shaft groups 12.
  • a cigarette 13 can be placed inside the cigarette magazine 10 to deviate from the ideal orientation come. For example, a cigarette 13 can cross over. Such an incorrectly positioned cigarette is considered to be transverse Cigarette 16 shown. Sinks a transverse cigarette 16 over time towards the shaft groups 12, can clog these shaft groups 12. This regularly leads to the disturbance in the production process mentioned at the beginning. In particular, the elimination of such Disruption complex.
  • the cigarette magazine 10 is therefore included an optical test device, namely a camera 17.
  • the camera 17 observes through a window or a transparent one Wall in the area of the camera of the cigarette magazine 10 Cigarette ends. In particular, the camera 17 captures an image of the Cigarette magazine 10 over essentially the entire width of the cigarette magazine 10.
  • An image processing device 18 evaluates the captured image out.
  • the captured image is, for example, with a reference image compared.
  • the captured image becomes one Preprocessed, with characteristic values of Image are generated or calculated.
  • By comparison of these values with reference values or the captured image with the Reference image can be seen errors, for example if one There is a deviation or a certain deviation Threshold exceeded.
  • a detected error leads finally to generate an error signal that is an actuation causes at least one of four ejection units 19. This actuation leads to the fact that in the area of the ejection unit 19 located cigarettes 13 to the back of the cigarette magazine 10 pushed out and thus ejected.
  • the ejected cigarettes 13 fall into an inclined position Slide 20 along which the cigarettes 13 slide down and finally fed into a cycle of tobacco recycling become.
  • the tobacco recycling is done by separating the Cigarette in tobacco, cigarette paper and filters.
  • the recovered one tobacco is used in cigarette manufacturing reused. In this way you can keep the tobacco loss low hold that arises from the fact that when ejecting a transverse Cigarette also does a lot of other more properly or properly positioned cigarettes are also ejected become.
  • Each ejection unit 19 has a housing 21 that is relative to the cigarette magazine 10 is fixed or connected to it is.
  • the housing 21 has a linear cylinder which for Guidance of a linearly displaceable carriage 22 is used.
  • This Carriage 22 is in turn with the actual ejector 23 Ejection unit 19 connected.
  • the ejector 23 has a front wall 24 and a rear wall 25 (shown in FIG. 3). Front wall 24 and rear wall 25 are connected by a connecting element, namely a connecting rod 26 connected to each other.
  • the ejection unit 19 in a "Passage position" designated position closes the front wall 24 of the ejector 23 is essentially flush with the front inside of the cigarette magazine 10 and the back wall 25 of the ejector 23 essentially flush with the rear Inside of the cigarette magazine 10.
  • the cigarettes 13 can freely Storage part 11 of the cigarette magazine 10 in the area of the ejection unit 19 happen. Only the thinly designed connecting rod 26 leads to a slight narrowing of the width of the cigarette magazine 10 in this area, but for the Lowering of the cigarettes 13 and thus for the transportation of cigarettes through the cigarette magazine 10 is irrelevant.
  • the ejection unit 19 moves both front wall 24 and rear wall 25 of the ejector 23 in the direction of the rear wall 25 of the ejector 23 or in the direction the slide 20.
  • the front wall 24 of the ejector 23 is connected to a housing-like device 27, the cross section corresponds to the contour of the front wall 24 of the ejector 23.
  • This case-like device prevents cigarettes 13 fall into the area of the ejector 23 if the ejector 23 is in the eject position. This can you avoid that when pulling the ejector 23 in its Passage position of cigarettes that have fallen into this area 13 block the ejector.
  • the four front walls 24 or housing-like devices 27 of the four ejectors 23 are spaced apart are.
  • the distance 28 of the front walls 24 from one another corresponds approximately to twice the width of the cigarette, but it can also be chosen larger.
  • Fig. 2 shows a section of the storage part 11 of the cigarette magazine 10 in the area of the ejection units 19 in an enlarged view Presentation.
  • Ejection zones A to D are shown schematically. Each of these four Ejection zones A to D are assigned to an ejection unit 19.
  • the cigarettes 13 located in an ejection zone become ejected when the corresponding ejection unit 19 is actuated.
  • the Ejection zones A to D are selected in terms of their dimensions such that the width and / or length of each ejection zone A to D at least corresponds to a cigarette length. In particular, the Width of an ejection zone larger than the height of the corresponding one Ejection zone.
  • the evaluation zones I to IV correspond to those of the camera 17 monitored area.
  • the camera 17 takes a picture of all evaluation zones I to IV. One takes place in the course of the image processing Subdivision of the image into the four evaluation zones I mentioned to IV. Each of these four evaluation zones I-IV is evaluated separately. If there is a transverse, so misplaced cigarette or something else If the cigarette is not correctly formed, it will follow a time delay an actuation of the corresponding ejection unit underneath 19. This throws the in the corresponding ejection zone A-D out.
  • the between detection of a faulty or incorrectly positioned Cigarette 13 and actuation of the corresponding ejection unit 19 delay is due to the for the sinking of such a cigarette from an evaluation zone I-IV time in a discharge zone (approx. 10-20 seconds) certainly.
  • a camera 17 which is a picture of all four evaluation zones I to IV, but can also be one
  • a plurality of cameras 17 can be installed, each with an image an evaluation zone I-IV and then the image processing respectively.
  • the front wall of the Cigarette magazine 10 designed transparent, for example by inserting a glass or plastic disc so that the Camera 17 has a clear view of the cigarette ends.
  • Fig. 3 shows a section of a side view of the cigarette magazine 10 along the line III-III of Fig. 1.
  • There are two cameras 17 are provided, one on the front and one on the back of the cigarette magazine 10. Through the Arrangement of two cameras 17 gives greater security, a faulty or incorrectly positioned cigarette 16 recognizable.
  • transverse cigarette 16 within the evaluation zone II.
  • This transverse cigarette 16 is recognized by the cameras 17.
  • the image processing device 18 evaluates the captured image from the transverse one Cigarette 16 out and produced - after the faulty positioned cigarette 16 has been detected - an error signal.
  • This error signal leads to the actuation of the ejection unit 18.
  • This causes the ejector 23 towards the slide 20 moved.
  • the linear cylinder moves the ejection unit 19 together with slide 22 and the ejector attached to it 23 including housing-like device 27 in the direction the slide 20.
  • This distance is such that the ejector 23 so far can be pushed into the cigarette magazine 10 that the front wall 24 of the ejector 23, the rear wall 30 of the cigarette magazine 10 reached.
  • Fig. 4 shows the ejection unit 19 in the ejection position, i.e. the Ejector 23 is located in its left-hand or slide-side End position.
  • the front wall 24 of the ejector 23 closes in the position shown with the outer surface of the Back wall 30 of the cigarette magazine 10, so that the ejected Cigarettes 31 - including the transverse cigarette 16 - can fall freely into the slide 20.
  • the housing-like connected to the front wall 24 of the ejector 23 Device 27 blocks in the area of this ejection unit 19 the cigarette magazine 10, so that initially in this area no cigarettes 13 can slip. Only when that Ejection unit 19 is again in its passage position (according to Fig. 3), cigarettes fall back into the previously formed cavity and thus fill the area again the relevant discharge zone B.
  • the ejection unit 19 is generally only activated when if a faulty or incorrectly positioned cigarette 16 has been detected. However, it can also come from others Reasons to actuate the ejection unit 19. In particular the ejection unit 19 can also be triggered manually become. This is not automatic, particularly for elimination detected errors make sense. A manual or not by the Image processing triggered actuation of the ejection unit 19 also serves to take samples (for example in regular time intervals).

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Wrapping Of Specific Fragile Articles (AREA)
  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)

Claims (14)

  1. Procédé de détection de cigarettes défectueuses et/ou mal positionnées, en particulier placées de travers (16) dans le magasin à cigarettes (10) d'une confectionneuse ou d'une empaqueteuse de cigarettes, dans lequel au moins une image d'un grand nombre de cigarettes (13, 16) se trouvant dans le magasin à cigarettes est saisie au moyen d'au moins un organe optique de contrôle (17), l'image est exploitée par un dispositif de traitement d'images (18), et; si lors de l'exploitation sont constatés des écarts de l'image saisie d'une image de référence et/ou d'au moins une valeur de référence, un signal de défaut est produit, caractérisé par le fait que l'image saisie par l'organe optique de contrôle (17) est divisée en plusieurs zones d'exploitation (I à IV) en particulier situées les unes à côté des autres, et que les zones d'exploitation (I à IV) sont exploitées séparément, et éventuellement est produit un signal individuel de défaut associé à une zone d'exploitation (I à IV).
  2. Procédé selon la revendication 1, caractérisé par le fait que plusieurs organes optiques de contrôle (17) saisissent et exploitent chacun une image d'une de plusieurs zones d'exploitation (I à IV) en particulier situées les unes à côté des autres, et éventuellement est produit un signal individuel de défaut associé à une zone d'exploitation (I à IV).
  3. Procédé selon l'une des revendications 1 et 2, caractérisé par le fait que sont saisies une image sur la côté avant du magasin à cigarettes (10) et une image sur le côté arrière de celui-ci, de sorte que peuvent être saisis les deux côtés d'extrémité des cigarettes correctes et/ou correctement positionnées.
  4. Procédé d'élimination de cigarettes défectueuses et/ou mal positionnées, en particulier placées de travers (16) dans le magasin à cigarettes (10) d'un confectionneuse ou d'une empaqueteuse de cigarettes, caractérisé par le fait qu'une cigarette défectueuse et/ou mal positionnée (16) est détectée par un procédé selon l'une des revendications 1 à 3, et en réaction à un signal de défaut associé à une zone d'exploitation (I à IV) alors produit est actionné un dispositif d'éjection (19) placé dans la zone du magasin et destiné à éjecter un grand nombre de cigarettes se trouvant dans une zone d'éjection (A à D) associée à la zone d'exploitation (I à IV).
  5. Procédé selon la revendication 4, caractérisé par le fait que plusieurs, en particulier deux, dispositifs d'éjection (19) situés l'un à côté de l'autre ou les uns à côté des autres sont actionnés en même temps si une cigarette défectueuse et/ou mal positionnée (16) est détectée dans les zones d'exploitation (I à IV) associées aux dispositifs d'éjection (19).
  6. Dispositif de détection de cigarettes défectueuses et/ou mal positionnées, en particulier placées de travers (16) dans le magasin à cigarettes (10) d'une confectionneuse ou d'une empaqueteuse de cigarettes, comportant un organe optique de contrôle (17), en particulier une caméra, placé dans la zone du magasin à cigarettes (10) et destiné à saisir au moins une image d'un grand nombre de cigarettes (13, 16) se trouvant dans le magasin à cigarettes (10), un dispositif de traitement d'images (18) destiné à exploiter l'image, et des moyens permettant de produire un signal de défaut lorsque sont constatés des écarts de l'image saisie d'une image de référence et/ou d'au moins une valeur de référence, caractérisé par le fait qu'il permet de diviser l'image saisie par l'organe optique de contrôle (17) en plusieurs zones d'exploitation (I à IV) en particulier situées les unes à côté des autres, et que les zones d'exploitation (I à IV) peuvent être exploitées séparément et éventuellement peut être produit un signal individuel de défaut associé à une zone d'exploitation (I à IV).
  7. Dispositif selon la revendication 6, caractérisé par le fait que le magasin à cigarettes (10) présente une paroi transparente dans la zone d'un organe optique de contrôle (17).
  8. Dispositif selon l'une des revendications 6 et 7, caractérisé par le fait qu'un ou plusieurs organes optiques de contrôle (17) placés les uns à côté des autres sont placés sur chacun des côtés avant et arrière du magasin à cigarettes (10).
  9. Dispositif d'élimination de cigarettes reconnues défectueuses et/ou mal positionnées (16) avec un dispositif selon l'une des revendications 6 à 8 dans le magasin à cigarettes (16) d'une confectionneuse ou d'une empaqueteuse de cigarettes, caractérisé par plusieurs dispositifs d'éjection (19) placés les uns à côté des autres dans la zone du magasin à cigarettes (10) et destinés à éjecter un grand nombre de cigarettes (13, 16) se trouvant dans une zone d'éjection (A à D) associée à un des dispositifs d'éjection (19).
  10. Dispositif selon la revendication 9, caractérisé par le fait qu'il présente un dispositif selon l'une des revendications 6 à 8 lié à chaque dispositif d'éjection (19) de façon telle que chaque dispositif d'éjection (19) puisse être actionné en réaction à un signal de défaut.
  11. Dispositif selon l'une des revendications 9 et 10, caractérisé par le fait que chaque dispositif d'éjection (19) présente une paroi avant (24) dont la surface détermine la zone d'éjection (A à D) et une paroi arrière (25) dont le contour est agrandi d'au moins la largeur d'une cigarette par rapport au contour de la paroi avant (24).
  12. Dispositif selon la revendication 11, caractérisé par le fait que la paroi avant (24) et la paroi arrière (25) du dispositif d'éjection (19) sont placées sensiblement parallèlement à une distance l'une de l'autre correspondant à la longueur d'une cigarette et sont en particulier liées par un élément de liaison, en particulier par une barre de liaison (26).
  13. Dispositif selon l'une des revendications 9 à 12, caractérisé par le fait que la zone d'éjection présente une largeur et/ou une hauteur qui correspondent au moins à la longueur d'une cigarette.
  14. Dispositif selon l'une des revendications 9 à 13, caractérisé par le fait qu'il présente un toboggan (20) destiné à recevoir et évacuer les cigarettes éjectées (13, 16).
EP00100309A 1999-02-01 2000-01-07 Procédé et dispositif pour détecter et rejeter des cigarettes défectueuses ou mal positionées Expired - Lifetime EP1026079B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19903777 1999-02-01
DE19903777A DE19903777A1 (de) 1999-02-01 1999-02-01 Verfahren und Vorrichtung zum Detektieren sowie Beseitigen fehlerhafter und/oder fehlerhaft positionierter Zigaretten

Publications (3)

Publication Number Publication Date
EP1026079A2 EP1026079A2 (fr) 2000-08-09
EP1026079A3 EP1026079A3 (fr) 2002-07-17
EP1026079B1 true EP1026079B1 (fr) 2004-04-14

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EP00100309A Expired - Lifetime EP1026079B1 (fr) 1999-02-01 2000-01-07 Procédé et dispositif pour détecter et rejeter des cigarettes défectueuses ou mal positionées

Country Status (6)

Country Link
US (1) US6446632B1 (fr)
EP (1) EP1026079B1 (fr)
JP (1) JP4343375B2 (fr)
CN (1) CN1199039C (fr)
BR (1) BR0000542B1 (fr)
DE (2) DE19903777A1 (fr)

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DE2826539C2 (de) * 1977-06-30 1984-09-27 Molins Ltd., London Zigarettenzuführvorrichtung
FR2451860A1 (fr) * 1979-03-21 1980-10-17 Molins Ltd Dispositif pour detecter des groupes d'objets, tels que des cigarettes, notamment sur des machines d'empaquetage
DE3613090A1 (de) * 1986-04-18 1987-10-29 Focke & Co Verfahren und vorrichtung zum pruefen von zigaretten
IT1220409B (it) * 1988-06-29 1990-06-15 Gd Spa Metodo per il controllo di estremita' di sigarette disposte ammassate
US5223915A (en) * 1989-01-13 1993-06-29 G.D. Societa' Per Azioni Cigarette end group inspection system
US5588068A (en) * 1992-12-04 1996-12-24 Philip Morris Incorporated Methods and apparatus for inspecting the appearance of substantially circular objects
DE4424045A1 (de) * 1994-07-11 1996-01-18 Focke & Co Verfahren und Vorrichtung zum Prüfen von Zigaretten

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CN1264038A (zh) 2000-08-23
EP1026079A3 (fr) 2002-07-17
DE19903777A1 (de) 2000-08-03
DE50006030D1 (de) 2004-05-19
BR0000542A (pt) 2000-10-31
US6446632B1 (en) 2002-09-10
BR0000542B1 (pt) 2011-02-22
EP1026079A2 (fr) 2000-08-09
JP2000217564A (ja) 2000-08-08
JP4343375B2 (ja) 2009-10-14
CN1199039C (zh) 2005-04-27

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