EP1285592B1 - Anordnung zum Aufbau wenigstens eines Tabakstranges in einer Zigarettenstrangmaschine - Google Patents

Anordnung zum Aufbau wenigstens eines Tabakstranges in einer Zigarettenstrangmaschine Download PDF

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Publication number
EP1285592B1
EP1285592B1 EP02017423A EP02017423A EP1285592B1 EP 1285592 B1 EP1285592 B1 EP 1285592B1 EP 02017423 A EP02017423 A EP 02017423A EP 02017423 A EP02017423 A EP 02017423A EP 1285592 B1 EP1285592 B1 EP 1285592B1
Authority
EP
European Patent Office
Prior art keywords
tobacco
arrangement according
sifter
air
zigzag sifter
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
EP02017423A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1285592A2 (de
EP1285592A3 (de
Inventor
Ralf Barkmann
Rolf Lindemann
Reinhard Hoppe
Bernhard Jürgens
Peter Schumacher
Manuel Hansch
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
Application filed by Hauni Maschinenbau GmbH filed Critical Hauni Maschinenbau GmbH
Publication of EP1285592A2 publication Critical patent/EP1285592A2/de
Publication of EP1285592A3 publication Critical patent/EP1285592A3/de
Application granted granted Critical
Publication of EP1285592B1 publication Critical patent/EP1285592B1/de
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
    • A24C5/396—Tobacco feeding devices with separating means, e.g. winnowing, removing impurities
    • 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

Definitions

  • the invention relates to an arrangement for constructing at least one tobacco rod in a cigarette rod machine, with metered and sighted tobacco on a leading to a Saugstrangmer, a tobacco / air layer forming flow surface conductive supply means.
  • the initially described arrangement is in the tobacco processing industry as a so-called distributor and in the context of the invention in particular as a tobacco air mixture leading to a Saugstrangadder concave nozzle trough having fluid bed distributor of a cigarette rod machine, for example, in the U.S. Patent 5,645,086 known type known.
  • a tobacco air mixture leading to a Saugstrangadder concave nozzle trough having fluid bed distributor of a cigarette rod machine for example, in the U.S. Patent 5,645,086 known type known.
  • the last-named fluidized bed distributor which is predestined for exact compliance with prescribed test parameters, defined flow conditions and a balanced air balance of the fluidic components which are significantly involved in the strand construction are of particular importance.
  • the invention is based on the object by an optimized structural and fluidic design of the tobacco supply means to reinforce the positive effect of Fliessbettverteilers yet and stabilize.
  • the supply means - in relation to the conveying direction of the tobacco - have an upstream upstream view means opening into the flow area, formed as stowage dosing, which is designed as a substantially vertically oriented zigzag sifter.
  • a specific combination of zig-zag sifter and stowage structurally and fluidically optimizing development is that between the zig-zag sifter and above a removal roller having a vibrating shaft outlet stowage a tobacco / air separator is arranged.
  • the tobacco / air separator designed as a Coanda separator and the zig-zag separator are integrated into a circulating air system operated by a frequency-controlled crossflow fan, air and tobacco are separated from one another with a high degree of separation and the process air recovered in one homogeneous velocity distribution maintained in the recirculation system, so that a balanced air balance can be kept in the classifier system with minimal energy consumption.
  • the efficiency of the zig-zag sifter can be increased by the number of zig-zag stages, but this is paid for by increasing the height.
  • a disadvantage of this embodiment according to the invention is that the zig-zag classifier below the last lower discharge stage is assigned a pneumatic end-of-line separator designed as an air box defined by a sieve. In this way, the visual effect is again improved at the same height that any entrained with the tobacco ribs lighter tobacco fibers are transported back into the main air stream of the classifier again.
  • the Nachsichter is connected to a the tobacco / air layer forming concave flow surface acting on the air circulation system.
  • the recirculation system of the zig-zag classifier is provided with a bypass branching off downstream of the cross-flow fan in relation to the flow direction of the circulating air the same amount of air is sucked, which is supplied by the indenter the crushersysem.
  • the bypass is branched off in the course of the outer radius of a recirculation manifold of the recirculation system, ie at a point at which dust particles are safely in the extraction area.
  • the air circulation system of the zig-zag classifier is modified and utilized such that the transport air of the excess return is branched off in the course of the inner radius of Um Kunststoffkrümmers from the air circulation system of the zig-zag sifter.
  • the zig-zag separator is provided with a leading in the middle height section, downwardly leading, and feedable by means of an addition roller tobacco feed chute.
  • a differential pressure-monitoring differential pressure gauge is linked to a measuring point provided above the last upper viewing stage and a measuring point provided at the level of the lower discharge stage of the zig-zag separator.
  • the zigzag sifter can be loaded by a tobacco from a reservoir entissuedes steep conveyor belt.
  • the steep conveyor belt is connected to a tobacco feed chute opening into the zigzag sifter above the middle height section.
  • the possibility of pneumatic return of excess tobacco is given in the upper flow region of the zig-zag separator. Since the tobacco reservoir of the steep conveyor belt has a sufficient volume, it is provided according to an alternative embodiment that removed excess tobacco is traceable by a screw conveyor into the tobacco reservoir of the steep conveyor belt. In order to optimize a correct operation of the Stumbleachtes also proposed in this variant, to control the conveying speed of the steep conveyor belt depending on the tobacco level in the stowage.
  • the advantage achieved by the invention is that with a reduced aerodynamic energy expenditure and a balanced Heilbilanz an optimal separation efficiency of quality-reducing tobacco components is achieved, so that even with different tobacco conditions a good visual outcome and thus a high rate of recycling desired tobacco components is guaranteed. This ultimately guarantees a consistently good quality of the final product.
  • the cigarette machine distributor shown in Figure 1 is provided in a known manner with a pneumatic tobacco feed lock 1 and a pre-distributor 4 consisting of two intermeshing rake rolls 2 and 3.
  • the pre-distributor 4 opens into a tobacco reservoir 6, the discharge side is associated with an addition roller 7, which cooperates with a tobacco combing paddle roller 8 and tobacco with a downwardly leading feed chute 9 knocking out separating roller 11.
  • the feed chute 9 opens laterally into the middle section of a viewing means in the form of a vertically arranged zig-zag separator 12.
  • the zig-zag sifter 12 is part of a circulating air fan 14 operated by a cross-flow fan 13 according to FIG 2.
  • a Um povertykrümmer 17 is provided downstream of the cross-flow fan 13, which branches off in the region of its outer radius in one of the air circulation system 14 Bypass passes 18 and in the region of its inner radius in a surplus flow channel 19, in which a Tabaküberschusstransportstoff in the form of a screw conveyor 21 and a cellular wheel 22 opens.
  • the excess flow channel 19 is connected on the output side to the recirculation system 14 via a return line 23 which leads back tobacco in the last upper level of the zig-zag classifier 12 into the classifier circuit.
  • a Coanda separator tobacco / air separator 16 is integrated, which is connected on both sides of a Abscheidekante 26 on the one hand with the suction side of the crossflow fan 13 and on the other hand into a above a stowage 27 arranged rotary valve 28 opens.
  • the substantially perpendicularly arranged stowage compartment 27 ends with its lower end formed as a vibrating shaft outlet 29 via a removal roller 32 cooperating with a rollover roller 31.
  • the rolling space 36 is integrated according to FIG. 2 into a further circulating air system 37, which generates a tight-fitting, tobacco-conveying air flow by means of a circulating-air blower 38 on the flow surface 34.
  • the rolling space 36 has a connection to the atmosphere via an upper screen cover 39.
  • the two-part, upwardly leading flow surface 34 opens below a strand assembly 41 of a double-strand machine.
  • the strand-forming unit 41 designed as a suction-strand conveyor is operated by a suction-belt blower 42, as shown in FIG.
  • the zig-zag sifter 12 is also equipped with a pneumatic Nachsichter 43, which opens below the last lower discharge stage 44 in the zig-zag classifier 12 and is formed as defined by a sieve 46 air box 47.
  • the Nachsichter 43 is connected according to Figure 2 with the pressure side of the flow area 34 of the rolling chamber 36 acting on the air circulation system 37.
  • the bypass 18 is connected to the suction side of the Saugstranggebläses 42 for the purpose of producing a balanced air balance.
  • a discharge system 48 is provided, consisting of a screw conveyor 49 and a rotary valve 51.
  • the zig-zag separator 12 is provided in the region of the last lower discharge stage 44 with the Nachsichter 43 opposite rotary beater roller 52.
  • differential pressure monitoring is provided according to FIG. 3 by installing pressure sensors 53 and 54 at the top and bottom of the sifter, which are equipped with a differential pressure gauge 56 are linked.
  • a control unit 57th a motor 58 to increase or decrease the speed of the cross-flow fan 13 is activated.
  • a per se known sensor unit 59 is linked to the level monitoring in the stowage 27 with a control unit 61 which activates a motor 62 for correcting the speed of the zig-zag separator 12 charging addition roller 7 in case of impermissible height variations in the stowage 27.
  • the mode of operation of the separator system which is used to prepare a fleece-like tobacco stream which has been converted into a strand-forming path and integrated into the distributor of a cigarette rod machine, is as follows: Tobacco passes through the feed lock 1 and the pre-distributor 4 into the tobacco reservoir 6 for the addition roller 7, from which the separator system is charged with a continuous stream of tobacco by combing tobacco from the tobacco reservoir 6 with the addition roller 7 equipped with steep conveying combs to form a tobacco roll. In order to achieve a uniform occupancy of the addition roller 7, excess tobacco is scraped off by the paddle roller 8. By monitoring the roller speed, a machine stop can be triggered at reduced rated speed, for example, to prevent damage by foreign bodies.
  • the tobacco lying on the addition roller 7 passes into the area of action of the separating roller 11, which accelerates the tobacco into the zig-zag separator 12 by rough pre-singling and whose speed is set in terms of a compromise between tobacco destruction and necessary singling, preferably in one Range between 800 and 900 revolutions per minute.
  • the zigzag classifier 12 Due to the characteristic shape of the zigzag classifier 12, on the one hand light tobacco fibers of the tobacco stream are transported upwards and on the other hand the tobacco stream is displaced in a direction transverse to the main flow. There the flow profile is inhomogeneous, resulting in areas of high and low air velocity, which put the tobacco fibers in a circular motion, so-called vortex rolls. In this way, the ribs contained in the tobacco stream are extracted and moved by gravity down. Lightweight tobacco fibers are repeatedly transported step by step in the zigzag sifter 12 upwards. This process takes place in each trained as a gob sight stage.
  • the ribbed material dropping out of the zigzag sifter 12 is blown through the viscous separator 43 with the aid of sifting air diverted from the circulating air system 37, with the result that lighter tobacco particles which may still be adhering to the ribs are transported back into the main air stream.
  • racquet roller 52 possibly existing tobacco clumping are detected and resolved. This crushing operation is effected by the clamping effect of the spikes of the racket roller 52 to a counter-sheet enclosing this by the lumps are drawn by the counterclockwise rotating racket roller 52 inwardly through the slots of the racket roller and discharged again below.
  • the finally falling out of the zig-zag separator ribbed material enters the screw conveyor 49 of the discharge system 48, which transports the ribs in the longitudinal direction (perpendicular to the plane) over the full distribution width to below arranged rotary valve 51.
  • the fiber stream freed from all unwanted constituents is added to excess tobacco in the underpressure region of the upper classifier outlet via the return line 23, which tobacco cake is taken off in the known manner in the trim area of the suction belt conveyor 41 and transported away by means of screw conveyors 21.
  • This excess tobacco is in accordance with the invention via the rotary valve 22 with the over the excess flow channel 19 on the pressure side of the recirculation system 14 of the separator circuit branched transport air merged and directed into the return line 23.
  • the crossflow fan 13 has a uniform flow profile or over the width (perpendicular to the plane) of the distributor a homogeneous velocity distribution.
  • a portion of the recirculating or stream of air flow along the outside wall of the recirculating air manifold 17 on the pressure side of the crossflow fan 13 is tapped via the bypass 18 to compensate for any leakage and for the purpose of producing a balanced air balance in the classifier system. This is achieved by the same amount of air is sucked off, as is supplied by the Nachsichter 43 to the classifier system. This is associated with a further advantage by concentrating tobacco dust particles in the bleed air guided in the manner proposed and with it being removed, so that dust accumulation in the separator cycle is prevented.
  • the enriched with tobacco dust bleed air is separated according to Figure 2 by connecting the bypass line 18 to an axial cyclone 67 of the operated by the Saugstrangbläse 42 Saugstrang Vietnameselaufs and returned recyclable tobacco dust in a manner not shown in the cigarette manufacturing process.
  • the separated by the tobacco / air separator 16 tobacco is discharged through the rotary valve 28 from the viewing system and enters in a known manner in the stowage 27, from which he out by means of the removal roller 32 and the racket roller 31 in a finely divided form on the curved guide surface 33rd is transferred to the nozzle surface designed as a nozzle, the rolling space 36 limiting flow area 34.
  • Blas Kunststoffzu operationen 68, 69, 71 of the circulating system 37 is on the flow surface 34 while maintaining an ideal pressure in the form of a slight negative pressure in the vicinity of 0 mb in a known manner a tight-fitting tobacco fluid bed Flow to the strand assembly unit 41 produced out whose height is monitored in a manner not shown and optionally corrected by adjusting a connected to a Volunteerluftansaugung 73 control unit 72 of the Um Kunststoffsytems 37 according to Figure 2.
  • the addition roller 7 is replaced according to Figure 1 by a steep conveyor belt 107 which takes tobacco from a tobacco reservoir 106, transported upwards and transferred by means of the separating roller 111 in the tobacco feed chute 109 above the central height portion of the zig-zag classifier 112 , In the strand forming process removed excess tobacco is guided by means of a screw conveyor 121 in the tobacco reservoir 106 of the steep conveyor belt 107 back.
  • the transport speed of the steep conveyor belt 107 can be controlled in the manner shown in Figure 3 depending on the tobacco level in the stowage 27.
EP02017423A 2001-08-16 2002-08-03 Anordnung zum Aufbau wenigstens eines Tabakstranges in einer Zigarettenstrangmaschine Expired - Lifetime EP1285592B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE10140309 2001-08-16
DE10140309A DE10140309A1 (de) 2001-08-16 2001-08-16 Anordnung zum Aufbau wenigstens eines Tabakstranges in einer Zigarettenstrangmaschine
DE10154807A DE10154807A1 (de) 2001-08-16 2001-11-08 Anordnung zum Aufbau wenigstens eines Tabakstranges in einer Zigarettenstrangmaschine
DE10154807 2001-11-08

Publications (3)

Publication Number Publication Date
EP1285592A2 EP1285592A2 (de) 2003-02-26
EP1285592A3 EP1285592A3 (de) 2004-05-26
EP1285592B1 true EP1285592B1 (de) 2008-01-16

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ID=26009948

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Application Number Title Priority Date Filing Date
EP02017423A Expired - Lifetime EP1285592B1 (de) 2001-08-16 2002-08-03 Anordnung zum Aufbau wenigstens eines Tabakstranges in einer Zigarettenstrangmaschine

Country Status (7)

Country Link
US (1) US6782890B2 (zh)
EP (1) EP1285592B1 (zh)
JP (1) JP4338370B2 (zh)
CN (1) CN1241501C (zh)
AT (1) ATE383781T1 (zh)
DE (3) DE10140309A1 (zh)
PL (1) PL204980B1 (zh)

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DE10251210A1 (de) * 2002-10-31 2004-05-19 Focke Gmbh & Co. Kg Vorrichtung zum Aufbereiten von Tabak bei der Herstellung von Zigaretten
DE50305343D1 (de) * 2003-01-28 2006-11-23 Hauni Maschinenbau Ag Verfahren insbesondere zum Beschicken einer Zigarettenstrangmaschine sowie Verteilervorrichtung insbesondere zum Durchführen des Verfahrens
ITBO20030124A1 (it) † 2003-03-06 2004-09-07 Gd Spa Metodo e macchina per il confezionamento di sigarette
ATE497353T1 (de) * 2003-06-19 2011-02-15 Hauni Maschinenbau Ag Sichtmittel zum sichten eines produktstroms innerhalb einer verteilervorrichtung
ATE544361T1 (de) * 2003-08-04 2012-02-15 Japan Tobacco Inc Vorrichtung zum zuführen von schnitttabak für eine maschine zur herstellung von zigaretten
DE50304065D1 (de) * 2003-08-13 2006-08-10 Hauni Maschinenbau Ag Regulierung eines Tabakfaserstroms
EP1529449A1 (de) * 2003-10-27 2005-05-11 Hauni Maschinenbau AG Vorrichtung zum Abscheiden von Tabak und Transportluft sowie Anordnung und Verfahren zum Aufbau von wenigstens zwei Tabaksträngen in einer Zigarettenstrangmaschine
DE10352119A1 (de) * 2003-11-04 2005-06-09 Focke & Co.(Gmbh & Co. Kg) Verfahren und Einrichtung zum Sichten von Tabak
DE102004007841A1 (de) * 2004-02-17 2005-09-08 Hauni Maschinenbau Ag Strangmaschine, Verfahren zum Betrieb derselben und Luftfördersystem
DE102004008116A1 (de) * 2004-02-18 2005-09-15 Hauni Primary Gmbh Verfahren und Vorrichtung zum Zuführen von Schnitttabak in eine Verteilereinheit
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JP4822462B2 (ja) * 2006-02-14 2011-11-24 日本たばこ産業株式会社 シガレット製造機の刻たばこ原料供給装置
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DE102008016958B9 (de) * 2008-03-31 2015-11-26 Hauni Maschinenbau Ag Vorrichtung zum Führen und Halten in Transportrichtung T kontinuierlich geförderter, strangförmiger Artikel, Verfahren zum Anpassen einer solchen Vorrichtung an unterschiedliche Schnittlängen sowie Tubenradsatz
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CN103504462B (zh) * 2012-06-18 2016-07-20 上海新平科工业技术有限公司 Protos机组梗丝分离装置
CN103070468A (zh) * 2013-01-15 2013-05-01 厦门烟草工业有限责任公司 烟丝二次梗丝分离装置
CN103126067B (zh) * 2013-02-28 2015-04-08 山东中烟工业有限责任公司 应用于卷烟机单机在线从剔除梗签中筛分出烟丝的装置
DE102015001606B3 (de) * 2015-02-09 2016-02-18 Ralf Stöcker Verfahren und Vorrichtung zum Herstellen von Folienzigaretten, Folienzigarillos oder dergl., insbesondere mit einem Filtersegment im Querverfahren
DE102015001618A1 (de) 2015-02-09 2016-08-11 Ralf Stöcker Verfahren und Vorrichtung zum Herstellen eines stabförmigen Artikels aus pflanzlicher Folie
DE102015010563A1 (de) 2015-08-12 2017-02-16 Ralf Stöcker Maschine zum Herstellen eines stabförmigen Artikels aus pflanzlicher Folie im Strangverfahren
EP3375302B1 (de) 2017-03-17 2019-09-25 Hauni Maschinenbau GmbH Anordnung und verfahren zum aufbau von wenigstens zwei fasersträngen in einer strangmaschine der tabak verarbeitenden industrie
CN106954888B (zh) * 2017-05-17 2017-12-15 青岛易百超科技发展有限公司 对卷烟机卸出鼓轮上烟支卸出输送堆栈流化床式传送装置
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Also Published As

Publication number Publication date
DE10140309A1 (de) 2003-02-27
EP1285592A2 (de) 2003-02-26
JP2003070455A (ja) 2003-03-11
US6782890B2 (en) 2004-08-31
PL355309A1 (en) 2003-02-24
CN1241501C (zh) 2006-02-15
PL204980B1 (pl) 2010-02-26
DE10154807A1 (de) 2003-05-22
EP1285592A3 (de) 2004-05-26
US20030034040A1 (en) 2003-02-20
DE50211542D1 (de) 2008-03-06
CN1406528A (zh) 2003-04-02
ATE383781T1 (de) 2008-02-15
JP4338370B2 (ja) 2009-10-07

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