EP1602292B1 - Machine de fabrication de cigarettes - Google Patents

Machine de fabrication de cigarettes Download PDF

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Publication number
EP1602292B1
EP1602292B1 EP05425400A EP05425400A EP1602292B1 EP 1602292 B1 EP1602292 B1 EP 1602292B1 EP 05425400 A EP05425400 A EP 05425400A EP 05425400 A EP05425400 A EP 05425400A EP 1602292 B1 EP1602292 B1 EP 1602292B1
Authority
EP
European Patent Office
Prior art keywords
tobacco
machine
duct
feed
section
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.)
Not-in-force
Application number
EP05425400A
Other languages
German (de)
English (en)
Other versions
EP1602292A1 (fr
Inventor
Fiorenzo Draghetti
Marco Esposti
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.)
GD SpA
Original Assignee
GD 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 GD SpA filed Critical GD SpA
Publication of EP1602292A1 publication Critical patent/EP1602292A1/fr
Application granted granted Critical
Publication of EP1602292B1 publication Critical patent/EP1602292B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A24C5/396—Tobacco feeding devices with separating means, e.g. winnowing, removing impurities

Definitions

  • the present invention relates to a cigarette maker.
  • shredded tobacco is directed normally along a feed duct to an infeed hopper, from which it is taken up by a picking or carding unit and fed into a descending channel or chute.
  • the tobacco is transferred by a toothed outfeed unit onto a feed conveyor and then carried by this same conveyor toward the bottom end of an ascending channel or riser, of which the top end is enclosed by an air-permeable transport belt.
  • An air current set up in the ascending channel ensures that the lighter particles of tobacco consisting in dust and relatively minute shreds are directed upwards, whereas any heavier particles such as scraps and stems, stones, metal or plastic fragments and the like, are caused to drop by gravity into a collection vessel at the bottom end of the ascending channel, from where they are rejected.
  • the object of the present invention is to provide a cigarette maker that will be unaffected by the drawbacks in question, and will also be of simple and economic embodiment.
  • 1 denotes a cigarette maker, in its entirety, comprising a hopper 2 filled with a mass of shredded tobacco 3, and a pneumatic feed duct 4 through which tobacco is conveyed to the hopper from a storage unit or a shredder shown schematically as a block denoted 5.
  • the tobacco 3 is directed from the hopper 2 down into a feed chamber 6 occupied by a carding unit 7 equipped with a carding drum 8 driven in rotation about a horizontal axis 9 and turning anticlockwise as seen in figure 1.
  • the carding roller 8 operates in conjunction with a proportioning roller 10 and an impeller roller 11 by which the tobacco 3 is projected, in the form of distinct particles, into a descending channel or chute 12 terminating at the bottom end adjacent to a toothed unit 13 such as will pick up the particles and direct them onto a transfer belt 14 advancing toward the bottom end of an ascending channel or riser 15.
  • the top end of the riser 15 is enclosed by an aspirating transport belt 16 made of air-permeable material such as will attract the tobacco particles and gather them progressively into a continuous stream 17 providing the filler for the manufactured cigarettes (not illustrated).
  • FIG. 18 denotes a separator device, shown in figure 1 as a unit or module 19 that can be installed along the aforementioned pneumatic feed duct 4 carrying the flow of shredded tobacco to the hopper.
  • the separator device 18 establishes a predetermined feed path P to be followed by the flow of shredded tobacco, comprising a first feed section 20 along which the pneumatic pressure generated internally of the feed duct 4 is deactivated, and a second feed section 21 embodied as an ascending outfeed duct 22 along which the pneumatic pressure of the duct 4 is reinstated.
  • the first section 20 of the separator device 18, which is coupled directly to the feed duct 4, comprises means, denoted 23 in their entirety, by which to form and feed the tobacco as a carpet 24 of predetermined thickness S.
  • the forming and feeding means 23 of the first section 20 comprise a substantially horizontal looped conveyor belt 25 passing around two return pulleys 26, of which at least one is power driven, and a tray 27 caused to vibrate through the agency of respective actuator means shown schematically as a block denoted 28.
  • the vibrating tray 27 is inclined, presenting a transverse dimension that increases along the feed direction followed by the tobacco carpet 24, as discernible in figure 5, and occupies a position interposed between the runout end of the belt 25 and the entry point of descending conveyor means, denoted 29 in their entirety and constituting the downstream part of the first section 20.
  • the descending conveyor means 29 take the form of a substantially vertical duct 30 into which the tobacco 3 will drop and fall freely to a bottom outlet end coinciding with a vent 31a positioned to deliver a stream of air generated by blower means 31.
  • the air stream serves to divert the flow of tobacco toward the substantially vertical outfeed duct 22, which is coupled to the pneumatic feed duct 4.
  • the bottom outlet end of the vertical duct 30 is connected to the inlet end of the ascending outfeed duct 22 by way of a bend 32 in which foreign matter is able to accumulate before dropping through a reject duct 33 into a collection vessel 34.
  • figure 3 differs from that of figure 2 in that the descending conveyor means 29 are afforded by an inclined plane 35 along which the tobacco carpet 24 slides downward by gravity.
  • figure 4 differs from that of figure 2 in that the descending conveyor means 29 consist in a duct 36 presenting walls of zigzag profile, along which the tobacco tumbles by gravity.
  • a relatively compacted mass of shredded tobacco 3 flowing from the upstream unit or machine 5 along the feed duct 4 at a first velocity V1 is deposited on the top branch of the conveyor belt 25, which will be driven at a second velocity V2 slower than the first V1.
  • the tobacco 3 settles on the belt, spreading gradually to form a carpet 24 of relatively limited thickness S.
  • the carpet 24 runs off the belt 25 and onto the vibrating tray 27, whereupon the vibratory motion has the effect of advancing the tobacco 3 while loosening the constituent particles and stems, which are thereupon distributed transversely to the feed direction in such a way as to form a layer of thickness S1 reduced further from the thickness S of the carpet 24 formed initially.
  • the fact of isolating the conveyor belt 25 and the vibrating tray 27 from the pneumatic pressure of the feed duct 4 is instrumental in enabling a reduction in the rate at which the tobacco 3 advances, from a given first velocity V1 to a predetermined second velocity V2.
  • the tobacco advances along the feed duct 4 at a relatively high velocity V1, determined by the associated pneumatic circuit, whereas during its passage along the belt 25 and thereafter along the tray 27, the first velocity V1 can be reduced to a lower velocity V2 in order to facilitate the removal of foreign matter.
  • the unit or module 19 is easily deployed, whether as a first time installation or retrofitted to a cigarette maker 1 already in commission without any separator device 18.
  • the inclusion of the unit 19 by no means excludes the possibility of the machine 1 being equipped with a second separator device installed downstream of the carding unit 7. Indeed in this instance, the presence of a second separator will help to obtain an extremely thorough winnowing action on the flow of tobacco ascending through the riser 15.

Landscapes

  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)
  • Wrapping Of Specific Fragile Articles (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)

Claims (14)

  1. Une machine de fabrication de cigarettes comprenant : une trémie d'alimentation (2), un conduit (4) d'alimentation pneumatique véhiculant un flux de tabac haché (3) jusqu'à la trémie (2), un groupe de cardage (7) destiné à prélever le tabac (3) de la trémie (2) et à le relâcher sous forme d'un flux de particules séparées, d'abord dirigé à travers un canal descendant (12) puis à travers un canal ascendant (15), jusqu'au niveau d'une bande transporteuse aspirante (16) de sortie située au niveau de l'extrémité supérieure du canal ascendant (15), ladite machine étant caractérisée en ce qu'elle comprend un dispositif séparateur (18) servant à éliminer les éventuels corps étrangers du flux de tabac haché (3) et comprenant des moyens (23) de formation et d'alimentation d'un tapis (24) de tabac, ainsi que des moyens transporteurs descendants (29) dans lesquels le tabac est dirigé en chute libre par les moyens (23) de formation et d'alimentation, un conduit de sortie (22) interposé entre la sortie des moyens transporteurs descendants (29) et une entrée raccordée avec la trémie (2), et des moyens (31) destinés à générer un courant d'air dirigé le long du conduit de sortie (22).
  2. La machine selon la revendication 1, caractérisée en ce que les moyens (23) de formation et d'alimentation d'un tapis (24) de tabac comprennent un plateau vibrant (27).
  3. La machine selon la revendication 1, caractérisée en ce que les moyens (23) de formation et d'alimentation d'un tapis (24) de tabac comprennent une bande transporteuse (25).
  4. La machine selon la revendication 1, caractérisée en ce que les moyens (23) de formation et d'alimentation d'un tapis (24) de tabac comprennent une bande transporteuse (25) ainsi qu'un plateau vibrant (27) interposé entre ladite bande transporteuse (25) et les moyens transporteurs descendants (29).
  5. La machine selon les revendications de 1 à 4, caractérisée en ce que les moyens transporteurs descendants (29) comprennent un plan incliné (35).
  6. La machine selon les revendications de 1 à 4, caractérisée en ce que les moyens transporteurs descendants (29) comprennent un conduit (30) essentiellement vertical.
  7. La machine selon les revendications de 1 à 4, caractérisée en ce que les moyens transporteurs descendants (29) comprennent un conduit (36) à parois en zigzag.
  8. La machine selon les revendications de 5 à 7, caractérisée en ce qu'une extrémité inférieure des moyens transporteurs descendants (29) communique avec un conduit (33) d'expulsion des corps étrangers.
  9. La machine selon les revendications de 1 à 8, caractérisée en ce que les moyens transporteurs descendants (29) et le conduit de sortie (22) sont raccordés par une section (32) coïncidant avec un évent (31a) faisant partie des moyens (31) destinés à générer un courant d'air.
  10. La machine selon la revendication 9, caractérisée en ce que le conduit de sortie (22) est un canal ascendant et la section (32) de raccordement est un coude.
  11. La machine selon les revendications de 1 à 10, caractérisée en ce que le dispositif séparateur (18) consiste en une unité ou module (19) pouvant être monté le long du canal d'alimentation (4) qui véhicule le tabac haché (3).
  12. La machine selon les revendications de 1 à 11, caractérisée en ce que le dispositif séparateur (18) comprend une première section d'alimentation (20) pour l'avancement du tabac haché (3), le long de laquelle la pression pneumatique générée à travers le conduit d'alimentation (4) est désactivée, et une deuxième section d'alimentation (21) le long de laquelle la pression pneumatique est rétablie.
  13. La machine selon la revendication 12, caractérisée en ce que la première section (20) du dispositif séparateur est définie par les moyens (23) de formation et d'alimentation d'un tapis (24) de tabac et par les moyens transporteurs descendants (29).
  14. La machine selon la revendication 12, caractérisée en ce que la deuxième section (21) est définie par le conduit de sortie (22).
EP05425400A 2004-06-04 2005-05-31 Machine de fabrication de cigarettes Not-in-force EP1602292B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITBO20040358 2004-06-04
IT000358A ITBO20040358A1 (it) 2004-06-04 2004-06-04 Macchina per i confezionamento di sigarette

Publications (2)

Publication Number Publication Date
EP1602292A1 EP1602292A1 (fr) 2005-12-07
EP1602292B1 true EP1602292B1 (fr) 2007-09-05

Family

ID=34943216

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05425400A Not-in-force EP1602292B1 (fr) 2004-06-04 2005-05-31 Machine de fabrication de cigarettes

Country Status (7)

Country Link
US (1) US20050268924A1 (fr)
EP (1) EP1602292B1 (fr)
CN (1) CN1706294A (fr)
AT (1) ATE372063T1 (fr)
DE (1) DE602005002295T2 (fr)
IT (1) ITBO20040358A1 (fr)
RU (1) RU2005116963A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1985192B1 (fr) * 2006-02-14 2013-06-19 Japan Tobacco Inc. Dispositif d'alimentation en matière première de tabac haché pour un dispositif de fabrication de cigarettes
CN101933659B (zh) * 2010-08-11 2012-09-05 河南中烟工业有限责任公司 一种方便调节卷烟机除梗量的控制方法
DE102012109906A1 (de) * 2012-10-17 2014-10-30 Hauni Maschinenbau Ag Verteilervorrichtung und Verfahren zum Beschicken einer Strangmaschine der Tabak verarbeitenden Industrie mit einem aus Fasermaterial bestehenden Produktstrom

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3624748A (en) * 1967-12-18 1971-11-30 Mauritz L Strydom Cigarette making
IT1247904B (it) * 1990-03-23 1995-01-05 Koerber Ag Procedimento e disposizione per formare un filone di fibre di tabacco
DE69115004T2 (de) * 1990-12-20 1996-06-27 Rothmans International Ltd Verfahren und Vorrichtung zum Aussortieren von schweren und leichten Partikeln aus Partikel-Material.
DE4206054C2 (de) * 1991-03-06 2002-11-28 Hauni Werke Koerber & Co Kg Verfahren und Vorrichtung zum Herstellen eines Tabakstranges
US5351832A (en) * 1993-03-29 1994-10-04 Stripping Technologies, Inc. Control system for cleaning systems
US5511566A (en) * 1994-06-02 1996-04-30 Hauni Maschinenbau Ag Distributor for particles of tobacco and the like
DE19840143A1 (de) * 1998-09-03 2000-03-09 Hauni Maschinenbau Ag Sichteinrichtung für einen Verteiler einer Zigarettenstrangmaschine
US6371126B1 (en) * 2000-03-03 2002-04-16 Brown & Williamson Tobacco Corporation Tobacco recovery system
ES2288857T3 (es) * 2000-07-05 2008-02-01 Philip Morris Products S.A. Dispositivo de formacion de un flujo de fibras de tabaco.
DE10149468A1 (de) * 2001-10-08 2003-04-24 Focke & Co Verfahren und Vorrichtung zum Aufbereiten und Fördern von Tabak
DE10251210A1 (de) * 2002-10-31 2004-05-19 Focke Gmbh & Co. Kg Vorrichtung zum Aufbereiten von Tabak bei der Herstellung von Zigaretten

Also Published As

Publication number Publication date
EP1602292A1 (fr) 2005-12-07
DE602005002295T2 (de) 2008-05-29
ATE372063T1 (de) 2007-09-15
CN1706294A (zh) 2005-12-14
US20050268924A1 (en) 2005-12-08
RU2005116963A (ru) 2006-11-20
DE602005002295D1 (de) 2007-10-18
ITBO20040358A1 (it) 2004-09-04

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