EP0375631B1 - Système pour l'alimentation en tabac des machines de fabrication de cigarettes - Google Patents

Système pour l'alimentation en tabac des machines de fabrication de cigarettes Download PDF

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Publication number
EP0375631B1
EP0375631B1 EP89830537A EP89830537A EP0375631B1 EP 0375631 B1 EP0375631 B1 EP 0375631B1 EP 89830537 A EP89830537 A EP 89830537A EP 89830537 A EP89830537 A EP 89830537A EP 0375631 B1 EP0375631 B1 EP 0375631B1
Authority
EP
European Patent Office
Prior art keywords
cigarette
carriages
loading
outlet
container
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
EP89830537A
Other languages
German (de)
English (en)
Other versions
EP0375631A1 (fr
Inventor
Mario Martin
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.)
Comas SpA
Original Assignee
Comas SpA
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 Comas SpA filed Critical Comas SpA
Priority to AT89830537T priority Critical patent/ATE95390T1/de
Publication of EP0375631A1 publication Critical patent/EP0375631A1/fr
Application granted granted Critical
Publication of EP0375631B1 publication Critical patent/EP0375631B1/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
    • A24C5/39—Tobacco feeding devices
    • A24C5/391—Tobacco feeding devices feeding to several cigarette making machines

Definitions

  • the present invention relates to a system for supplying tobacco to cigarette-making machines of the kind defined in the preamble of Claim 1.
  • a tobacco-supplying system of this kind is disclosed in FR-A-1245 649.
  • This prior system is affected by the inconvenience represented by the losses or leakages of tobacco and tobacco-powder when the movable carriages of the conveyor are filled at the loading station and when said carriages pour their contents into the cigarette-making machines.
  • the devices which supply the tobacco to cigarette-making machines provide for the pneumatic transportation of the tobacco but this results in the deterioration and the inevitable separation of its various components.
  • the object of the present invention is to provide a system for supplying tobacco to cigarette-making machines which avoids the disadvantages of the prior-art devices.
  • FIG 1 is a very schematic view of a system according to the invention.
  • the system includes an overhead conveyor comprising, in known manner, at least one monorail guide 1 along which electrically-driven carriages 2, only one of which is visible in Figure 1, can slide.
  • each carriage 2 includes two guide units 3 and 4 which can slide along the rail 1, of which the first is motor-driven and the other is idle.
  • the two units are interconnected beneath the rail 1 by a beam 5 to which is fixed a bracket 6 on which an upwardly-open, substantially parallelepipedal container 7 is cantilevered.
  • the container has a flange 7a at its upper end and an outlet 7b with a flange 7c at its lower end.
  • a shut-off device is provided inside the lower end of the container 7 of each carriage and includes a plate-shaped obturator 8, articulated at 9.
  • the obturator is held in the horizontal, closed position shown in Figure 7 by a locking device 10 of known type with a locking rod 11 whose lower end 11a passes through and projects beyond the lower face of the flange 7c.
  • the locking device 10 releases the obturator 8 which moves by gravity to the open position shown in broken outline in Figure 7.
  • a system according to the invention also includes a loading station 12 located in a fixed position near the monorail 1.
  • the loading station 12 includes a loading hopper 13 with an outlet 14 at its lower end.
  • An obturator element 15 is provided in the lower part of the hopper 13, above its outlet 14, and is articulated at 16 ( Figure 5).
  • the obturator 15 is movable between a closed position and an open position, shown in continuous outline and in broken outline respectively in Figure 5, as a result of the operation of the drive cylinder 17 carried externally by the hopper.
  • a window (indicated 18 in Figure 4) is formed in a side wall of the hopper and is closed by a transparent element so as to enable the level of the tobacco poured into the hopper in use to be checked visually.
  • the outlet of the hopper 13 of the loading station has a particular shape which will now be described.
  • the outlet includes a box-shaped body 19 which is open at the bottom and is connected at the top to the hopper 13 ( Figure 5).
  • a duct 20 extends within the box-shaped body and constitutes an extension of the lower portion of the hopper.
  • the lower end of the duct 20 is connected by means of a bellows 21 of elastomeric material to a quadrangular collar 22 whose position is controlled by means of cylinders 23 housed in the aforesaid box-shaped body 19.
  • cylinders 23 housed in the aforesaid box-shaped body 19.
  • the cylinders 23 are operated each time the container 7 of a carriage 2 of the overhead conveyor is situated beneath the outlet of the loading hopper 13, as seen in Figure 5: the quadrangular collar 22 is lowered until it abuts the flanged edge 7a of the container of the carriage 7. This prevents any loss or leakage of tobacco during the loading of the container 7 when, as a result of the operation of the cylinder 17, the obturator 15 is brought into the lowered, open position to allow a predetermined quantity of tobacco to fall into the container 7.
  • the system according to the invention also includes an electronic control and operating unit, indicated 25 in Figure 1, which supervises the operation of the entire system.
  • the control unit 25 moves the carriage towards a cigarette-making machine, such as that indicated 26 in Figure 1.
  • a cigarette-making machine such as that indicated 26 in Figure 1.
  • the top part of a cigarette-making machine, shown in Figure 6, has a loading hopper 27 with an opening 28 surrounded by a box-shaped body 29 which is open at the top.
  • the upper end of the opening 28 is connected to a bellows 30 of elastomeric material and this is in turn connected to an annular quadrangular element 31 situated in the opening at the top of the box-shaped body 29.
  • Within the body are cylinders 32 which act on the annular element 31.
  • the cylinders 32 of the latter are activated so as to thrust the annular element 31 into abutment with the lower flange 7c of the container of the carriage.
  • the outlet of the container, the loading hopper and the cigarette-making machine are thus sealingly coupled to prevent any loss of tobacco during the loading operation.
  • the annular quadrangular element 31 also operates the rod 11 which releases the mechanism 10 holding the obturator 8 in the closed position: the obturator therefore falls under gravity to the position shown in Figure 6, allowing the tobacco to fall into the loading hopper of the cigarette-making machine ( Figure 6) from the container 7 of the carriage.
  • control unit 25 of the system causes the conveyor carriage 2 to return to the loading station 12. As it nears the loading station 12, the carriage 2 first passes adjacent a resetting device, generally indicated 35 in Figures 1 and 7.
  • the resetting device 35 comprises a casing 36 which is carried by a support structure 37 fixed to the ground, and in which a pneumatic motor 38 is mounted for rotating a shaped operating member, generally indicated 39.
  • This member comprises an arm 40 which extends radially from the shaft of the motor 38 and an arcuate extension 41 which extends substantially along an arc of a circle concentric with the shaft of the motor 38.
  • the shaped operating element 39 can move from a rest position, shown in broken outline in Figure 7, to a working position, shown in continuous outline in the same drawing, in which the arcuate element 41 projects out of the casing 36 through an aperture 42 formed in the side of the casing which faces the outlet of the container 7 of the carriage.
  • the outlet in turn has a corresponding aperture 43 through which the arcuate element 41 extends to come into contact with the obturator 8 and thus thrust the latter back from its open position to its closed position in which it is again retained by the locking mechanism 10.
  • the container 7 of the carriage can be refilled.
  • control unit 25 this unit receives signals from sensors (not shown) indicative of the positions of the carriages, the completion of the loading and discharging operations, etc.
  • control unit 25 gives commands to the various pneumatic actuators, such as the cylinders 17, 23, 32 and the motor 38, by means of an electropneumatic interface unit, indicated 25a in Figure 1.
  • the operation of the system is therefore fully automated.

Landscapes

  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)
  • Manufacture Of Tobacco Products (AREA)
  • Wrapping Of Specific Fragile Articles (AREA)

Claims (2)

  1. Système pour l'alimentation en tabac de machines à fabriquer les cigarettes (26) équipées de trémies de chargement (27) au sommet, comportant
       un convoyeur aérien (1, 2) comprenant au moins un rail-guide (1) et plusieurs chariots (2) qui sont entraînés par des moteurs électriques et dont chacun porte un réservoir (7) présentant, à son extrémité inférieure, une boîte de sortie (7b) avec un dispositif de fermeture (8-11) qui peut être ouvert en conséquence de l'accouplement de la boîte de sortie (7b) avec la trémie de chargement (27) d'une machine à fabriquer les cigarettes (26),
       un poste de chargement (12) disposé en position fixe à proximité du rail (1), le poste (12) contenant des moyens de chargement (15-23) propres à verser une quantité prédéterminée de tabac dans le réservoir (7) de chaque chariot (2),
       au moins un dispositif de remise en l'état initial (35) situé à proximité du rail (1) et destiné à refermer les dispositifs de fermeture (8-11) des boîtes de sortie (7b) des chariots (2, 7) et
       des moyens de commande et d'actionnement (25, 25a) agencés de façon à provoquer le déplacement des chariots (2) le long du rail (1), d'une manière prédéterminée, entre le poste de chargement (12) et les machines à fabriquer les cigarettes (26),
       caractérisé en ce que le poste de chargement (12) comprend une trémie (13) avec une boîte de sortie extensible (14, 20-23) qui est agencée de façon à pouvoir être accouplée de manière étanche avec les ouvertures d'entrée des réservoirs (7) des chariots (2),
       et en ce que la trémie de chargement (27) de chaque machine à fabriquer les cigarettes (26) comporte un raccord d'entrée extensible (29-32) qui est agencé de façon à pouvoir être accouplé de manière étanche avec les boîtes de sortie (7b) des réservoirs (7) des chariots (2).
  2. Système selon la revendication 1, caractérisé en ce que les raccords d'entrée (28-32) des machines à fabriquer les cigarettes (26) sont aussi agencés de façon à ouvrir les dispositifs de fermeture (8-11) des réservoirs (7) des chariots (2).
EP89830537A 1988-12-19 1989-12-06 Système pour l'alimentation en tabac des machines de fabrication de cigarettes Expired - Lifetime EP0375631B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89830537T ATE95390T1 (de) 1988-12-19 1989-12-06 System zum beschicken von zigarettenmaschinen mit tabak.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT68124/88A IT1224006B (it) 1988-12-19 1988-12-19 Sistema per l'alimentazione di tabacco a macchine confezionatrici di sigarette
IT6812488 1988-12-19

Publications (2)

Publication Number Publication Date
EP0375631A1 EP0375631A1 (fr) 1990-06-27
EP0375631B1 true EP0375631B1 (fr) 1993-10-06

Family

ID=11308010

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89830537A Expired - Lifetime EP0375631B1 (fr) 1988-12-19 1989-12-06 Système pour l'alimentation en tabac des machines de fabrication de cigarettes

Country Status (5)

Country Link
EP (1) EP0375631B1 (fr)
AT (1) ATE95390T1 (fr)
DE (1) DE68909763T2 (fr)
ES (1) ES2040190T3 (fr)
IT (1) IT1224006B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69318298T2 (de) * 1993-10-05 1998-11-26 Fabriques De Tabac Reunies S.A., Neuenburg/Neuchatel Einrichtung zum Beschicken von Zigarettenmaschinen mit Tabak
IT1295493B1 (it) * 1997-10-09 1999-05-12 Garbuio Spa Procedimento e dispositivo per la movimentazione di contenitori di tabacco trinciato.
DE102013202561A1 (de) * 2013-02-18 2014-09-18 Hauni Maschinenbau Ag Speichervorrichtung und Maschine der Tabak verarbeitenden Industrie
EP3108757A1 (fr) 2015-06-23 2016-12-28 International Tobacco Machinery Poland Sp. z o.o. Système de dispositifs pour une installation de production de l'industrie du tabac

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB600237A (en) * 1946-01-04 1948-04-02 Desmond Walter Molins Improvements in or relating to tobacco manipulating machines
DE1040439B (de) * 1952-10-04 1958-10-02 Quester Fa Wilh Vorrichtung zum Beschicken einer Mehrzahl von Zigarettenmaschinen mit Tabak
DE1059334B (de) * 1956-01-13 1959-06-11 Quester Fa Wilh Verfahren und Vorrichtung zum Beschicken von Weiterverarbeitungs-maschinen der Tabakindustrie
FR1245649A (fr) * 1959-09-28 1960-11-10 Seita Procédé et installation pour l'alimentation automatique d'un groupe de machines

Also Published As

Publication number Publication date
DE68909763D1 (de) 1993-11-11
IT8868124A0 (it) 1988-12-19
IT1224006B (it) 1990-09-26
ATE95390T1 (de) 1993-10-15
DE68909763T2 (de) 1994-01-27
ES2040190T1 (es) 1993-10-16
EP0375631A1 (fr) 1990-06-27
ES2040190T3 (es) 1994-01-01

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