EP1391157A1 - Séparation de fibres de tabac dans un distributeur d'une machine de fabrication de tige de tabac - Google Patents

Séparation de fibres de tabac dans un distributeur d'une machine de fabrication de tige de tabac Download PDF

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Publication number
EP1391157A1
EP1391157A1 EP02018584A EP02018584A EP1391157A1 EP 1391157 A1 EP1391157 A1 EP 1391157A1 EP 02018584 A EP02018584 A EP 02018584A EP 02018584 A EP02018584 A EP 02018584A EP 1391157 A1 EP1391157 A1 EP 1391157A1
Authority
EP
European Patent Office
Prior art keywords
tobacco
portioning
distributor
fibers
tobacco fibers
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.)
Withdrawn
Application number
EP02018584A
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German (de)
English (en)
Inventor
Heinz-Christen Lorenzen
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
Priority to EP02018584A priority Critical patent/EP1391157A1/fr
Publication of EP1391157A1 publication Critical patent/EP1391157A1/fr
Withdrawn legal-status Critical Current

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    • 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 invention relates to a method for treating Tobacco in a distributor of a cigarette rod machine, whereby tobacco fibers from a shaft by means of a Conveyor roller are removed and by means of a beater roller are knocked out of the conveyor roller.
  • the invention further relates to a distributor of a Cigarette rod machine with a conveyor roller and with a beater roller and a cigarette rod machine.
  • the cut tobacco When adding tobacco to an article manufacturing Machine of the tobacco processing industry, for example when feeding cut tobacco to one Cigarette rod machine, the cut tobacco is in one uniform flow and in a homogeneous distribution its components in terms of short and long Tobacco fibers a tobacco duct of the cigarette rod machine, in which the tobacco rod is formed.
  • a distributor is also in DE-B-26 18 490 described a cigarette manufacturing machine, at one wing roller slightly over the tobacco discharge edge inclined at the top.
  • the heavy ones Tobacco or foreign bodies in the cut tobacco are over a thrown the top edge of a wall into a collection container.
  • the lighter tobacco bodies hit a wall and slide into a shaft for further processing or to form a tobacco rod.
  • DE-A-21 01 865 a method and an apparatus for local and periodic increase in tobacco density in certain sections forming the cigarette ends of a cigarette rod.
  • a drum takes along grooves arranged at uniform angular intervals tobacco stripped from a trimmer with the help of suction power and passes the tobacco in regular Clearances to the band producing the tobacco rod its suction power.
  • DE-A-35 29 739 describes a method and an Device for forming a tobacco rod from alternating arranged tobacco varieties described, one Type of tobacco is formed as a strand and the other Type of tobacco via a suction wheel provided with receptacles is introduced into the strand by means of overpressure.
  • the tobacco fibers are made according to their Weight and / or their length selected.
  • the tobacco fibers outside the predetermined area along the beater roller be selected. This will make the tobacco fibers not across the entire width of the beater roller separated, but only in at least one set Area.
  • a tobacco bed from selected and unselected tobacco fibers in a suction line conveyor is supplied or provided.
  • the part is as excess area to understand the distributor in which the portion of the Tobacco is fed to the suction line conveyor, which in later process as a surplus from the tobacco rod Will get removed.
  • the one shivered in the excess area Excess tobacco is removed by a leveler.
  • the selected, longer tobacco fibers are in one another cut caught and / or led away.
  • the tobacco shower consists of selected and unselected tobacco fibers.
  • Separation of the tobacco fibers becomes longer tobacco fibers from the tobacco fiber stream knocked out by the beater roller cut out in sections. This happens preferably in the area of excess tobacco.
  • the selected, longer, not directly fed to the tobacco shower Tobacco fibers in a subsequent step the non-excess area of the tobacco shower.
  • the proportion of longer fibers in the non-excess range of tobacco showers increased, i.e. the selected tobacco fibers are added to the tobacco, so that the separated longer tobacco fibers the tobacco be fed, which gets into the cigarette. Consequently a tobacco shower is provided in the tobacco channel in the excess area on average shorter tobacco fibers than in Has no excess area.
  • the Longer tobacco fibers not directly fed to tobacco showers supplied to the suction line conveyor separately and specifically become. This will make the portion longer Fibers in certain parts of a cigarette rod elevated.
  • the Tobacco fibers to the suction line conveyor in particular by means of a portioning device, supplied in portions become.
  • a portioning device Through the portioning device according to the invention longer fibers are portioned so that a cigarette rod is formed such that the finished cigarette in the end areas one has higher average fiber length.
  • the filling power in the end areas of the cigarette elevated. By increasing the filling power in the End areas can use the same or less tobacco A cigarette is made using the tobacco particles do not trickle out of the edges.
  • the portions Feeding longer tobacco fibers causes a End reinforcement of the cigarette.
  • the tobacco particles adhere to the internal pressure in the end areas each other stronger and thereby practice to Cigarette paper as a larger outer wrapper Frictional force.
  • the internal pressure depends, among other things the tobacco weight and the so-called filling power, i.e. of the resistance of the tobacco per unit weight Opposing deformation.
  • the Portioning device and / or the suction line conveyor charged with suction air.
  • the tobacco portions For the production of cigarettes with reinforced end heads the tobacco portions at a predetermined distance assigned to each other on the suction line conveyor, so that the portioned tobacco fibers target the head area to make a cigarette. This handover of the tobacco portions to the suction belt can be done before this in the active zone of the distributor arrives.
  • the gaps between the tobacco portions are then from Distributor filled up. However, it is also possible a place within the active zone of delivery of the To choose portions of tobacco.
  • the object of the invention is further achieved by a Distributor of the type mentioned, which thereby is further developed that the knocked out tobacco fibers a separator is arranged. Through the separator Tobacco fibers of different lengths or different Weight separated.
  • the separator along the beater roller, preferably in a predetermined one Area.
  • the separating device separates in sections along the racket roller tobacco fibers.
  • the separating device is advantageously a Partition formed.
  • the separating device at least one collecting agent for separated tobacco fibers, so the trapped can be used for End head reinforcement of the cigarettes.
  • Separating device a cleaning agent, in particular a body of revolution.
  • a rotating Rotational body or the like is achieved that the Keep the top of the separator clear or is kept clean from deposits on tobacco fibers the separator.
  • the rotating body is at least one in diameter smaller area and is designed as a stepped shaft, in which the tobacco fibers are separated become.
  • a collecting means has at least one Funding so that the separated tobacco fibers can be removed and e.g. for education of cigarette strands with an increased proportion of longer tobacco fibers are provided.
  • the invention proposed that the distributor a Portioning device for dispensing separated Assigned tobacco portions to a suction line conveyor is. This will make cigarettes with an increased Filling power made at the end heads.
  • the portioning device advantageously has a dosing device.
  • portioning device a portioning agent, in particular portioning wheel, having.
  • the portioning device preferably has tobacco fibers a scraper for the portioning agent on.
  • the portioning agent can be pressurized with negative pressure and / or positive pressure.
  • the portioning agent Portions of tobacco at a predetermined distance to the Suction line conveyor delivers.
  • a cigarette rod machine is in perspective Representation shown.
  • a pre-distributor 2 is charged with tobacco in portions.
  • a removal roller 3 of the pre-distributor 2 supplements controlled a storage container 4 with tobacco, from which a Steep conveyor 5 takes tobacco and a storage shaft 6 controlled feed.
  • a conveyor roller 7 takes one out of the stowage shaft 6 uniform tobacco flow from a beater roller 8 knocked out of the pins of the conveyor roller 7 and to one rotating at a constant speed Spreading cloth 9 is thrown.
  • One on the spreading cloth 9 formed tobacco fleece or tobacco bed is in a Sighting device 11 hurled, which essentially consists of an air curtain, the larger or heavier Pieces of tobacco happen while all other tobacco particles from the air into one of a pin roller 12 and a wall 13 formed funnel 14 are directed.
  • the tobacco is transferred from the pin roller 12 into a tobacco channel 16 hurled against a strand conveyor 17 on the the tobacco is sucked into a vacuum chamber 18 Keeping air and a tobacco rod or tobacco shower is formed.
  • a leveler 19 removes excess Tobacco from the tobacco rod or tobacco shower, which then on a parallel cigarette paper strip 21 is placed.
  • the cigarette paper strip 21 is pulled off a bobbin 22 by a printing unit 23 out and on a driven Format tape 24 laid.
  • the format tape 24 transports the tobacco rod and the Cigarette paper strips 21 through a format 26 in which the cigarette paper strip 21 around the tobacco rod is folded so that an edge protrudes from a glue apparatus, not shown, in a known manner is glued. Then the adhesive seam is closed and dried from a tandem seam plate 27. So educated Cigarette rod 28 passes through a rod density meter 29, which controls the equalizer 19, and is operated by a knife apparatus 31 into double-long cigarettes 32 cut.
  • the double-length cigarettes 32 are controlled by one Transfer device 34 having arms 33 a take-over drum 36 of a filter attachment machine 37 passed on the cutting drum 38 with a Circular knives can be divided into individual cigarettes.
  • conveyor belts 39, 41 convey excess tobacco into one containers 42 arranged under the storage container 4, from which the returned tobacco from the steep conveyor 5 is removed again.
  • a applicant's cigarette rod machine is below known as PROTOS.
  • FIG. 2 shows in cross section an arrangement of the conveyor roller 7 and the beater roller 8 shown.
  • the cut tobacco is from the stowage shaft 6 of the needled conveyor roller 7 fed and by the provided with pins, racquet roller 8 rotating much faster again knocked out. This leads to the isolation of the Tobacco fibers.
  • Figure 2 it is also shown that the Tobacco particles after knocking out of the conveyor roller 7 due to their weight or length on different Continue lanes. It forms for the tobacco trajectories a scattering area 53, which by the angle ⁇ is described.
  • Figure 3 is the result of an investigation regarding the scattering angle distribution in the scattering region 53 as a function of represented by the length of the tobacco fibers. It has been shown that the longer tobacco fibers to be found in the range with large positive angles ⁇ are. The short fibers can have a negative spread Angles ⁇ can be assigned. It also has the studies showed that for everyone examined Tobacco varieties have the same basic course. The long fibers are in the litter area large positive angles, the short ones in the others Angle ranges.
  • a shaft wall 54 is formed in the spreading area 53 arranged (see Fig. 2). This will make it easy Realized a separator 60.
  • the shorter tobacco fibers pass through one of the Manhole wall 54 and a baffle 52 channel formed into the tobacco bed in the manner described above and to the strand conveyor.
  • the shaft wall 54 has a separating edge on the upper side 51 on.
  • the knocked out long tobacco fibers tend to attach to this separating edge 51.
  • the separating device 60 Around to prevent such accumulation of tobacco fibers, can the separating device 60 a step shaft 57 (see Fig. 4).
  • the separating device 60 is along the beater roller 8, preferably in a predetermined Area. In this area the longer tobacco fibers are sorted out, while the shorter ones Fibers are fed directly to the tobacco bed.
  • Step shaft 57 of the separating device 60 is shown.
  • the step shaft 57 has a smaller one in area A. Diameter on. In the area adjacent to area A. Area B, the step shaft 57 is larger in diameter than in area A.
  • FIG. 5 is a cross section of a roller arrangement in a distributor shown in cross section.
  • the step shaft 57 is in the Diameter larger than in area A.
  • the stepped shaft 57 is in the separator 60 between the shaft wall 54 and an upper shaft wall 58 rotating arranged.
  • the step shaft 57 rotates according to the drawn arrow direction.
  • the one from the racket roller 8 knocked out longer tobacco fibers meet the upper shaft wall 54 and fall down into the of the shaft wall 54 and the baffle 52 formed Channel.
  • By rotating the step shaft 57 the tobacco fibers flying down from above led away. Overall, such an arrangement and rotation of the step shaft 57 prevents the tobacco fibers on the separating device 60 attach.
  • FIG. 6 is a cross section through the roller assembly and the separating device 60 in area A (FIG. 4) of the Step shaft 57 shown.
  • area A the long-fiber tobacco unhindered in a segment area the spreading area fly into a cross conveyor 55.
  • the Cross conveyor 55 is for collecting the long-fiber Provide tobacco fibers with a collecting plate 56.
  • the Cross conveyor 55 can e.g. a perpendicular to the image plane vibrating vibratory conveyor, a screw conveyor Conveyor belt or a flow conveyor.
  • the upper shaft wall 58 is in area A in the Image plane vertical plane interrupted. Area A is preferably in excess area along the beater roller 8 or in the zone of excess tobacco of the Tobacco bed or the tobacco shower for the strand conveyor arranged. The longer tobacco fibers caught are from the cross conveyor 55 of the separating device 60 then in the area of the tobacco bed or
  • the portioning device 90 comprises a metering device 71, the metering device 71 essentially from a storage shaft 72 and one Metering roller 73 exists.
  • the metering roller 73 can for example be provided with pins.
  • the metering roller 73 is powered by an engine and gives the tobacco 69 doses to another conveyor 74.
  • the sponsor 74 is designed, for example, as a vibratory conveyor, which feeds the tobacco to a portioning wheel 75.
  • the portioning wheel 75 of the portioning device 90 is provided with pockets 76 on the circumference.
  • the distance the pocket centers on the circumference of the portioning wheel 75 corresponds to the length of a cigarette. Tobacco fibers
  • the pockets 76 are to be picked up and transported provided with suction bores 77.
  • the portioning wheel 75 is in sync with the rhythm of the cigarette rod machine driven.
  • a fixed control body 78 In the center of the portioning wheel 75 is a fixed control body 78 on its circumference Has recesses 79 and 80.
  • the control body 78 is supplied with negative pressure, while the recess 80 is connected to an overpressure source.
  • the recesses 79, 80 on the circumference of the control body 78 are arranged so that the tobacco when the Pockets 76 on pent-up tobacco 81 in conveyor 74 in this is sucked in and held.
  • a wiping agent 82 e.g. as a rotating brush arranged.
  • the tobacco pile 81 forming in the conveyor 74 is in its height e.g. scanned by a pair of light barriers 83.
  • the signal of the light barrier pair 83 is used to influence the speed of the metering roller 82 so that if the tobacco is too high 81 the speed is reduced and if the height of the Tobacco speed is increased.
  • the tobacco portions formed by the portioning wheel 75 are to the suction belt 85 of the suction line conveyor 17 handed over to the cigarette machine. For that runs Pocket 76 with the suction holes 77 in the overpressure provided recess 80 on the circumference of the control body 78 on.
  • the transfer of the tobacco portions to the suction belt 85 takes place before the suction belt 85 into the active zone AZ of the Distributor arrives. It is also within the scope of the invention possible to find a place within the active zone AZ for the Delivery of tobacco portions to choose. It can do this be helpful by differentiating the Tobacco trajectories in the fluid bed of the distributor a gap to be created in the tobacco veil.
  • the level of Tobacco 69 in the storage shaft 72 of the metering device 71 be scanned, for example by a pair of light barriers 84.
  • the signal from the pair of light barriers 84 can be used to control the speed of the Beater roller 8 (see Fig.6), so that at one low level of tobacco 69 the speed of the beater roller 8 increased and at too high a level Tobacco 69 in the storage shaft 72 the speed of the beater roller 8 is lowered.
  • the subject of the invention makes long tobacco fibers in the field of fiber separation with a Beater roller separated from the rest of the tobacco and attached to one Cross conveyor handed over to the tobacco such Suction line conveyor feeds that the fibers are not in the Excess tobacco, but e.g. in the zone of Cigarette, or that the separated, long tobacco fibers for the targeted supply of tobacco with long fibers Forming the end reinforcement of a cigarette Suction line conveyor by means of a portioning device are fed.

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  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)
EP02018584A 2002-08-19 2002-08-19 Séparation de fibres de tabac dans un distributeur d'une machine de fabrication de tige de tabac Withdrawn EP1391157A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP02018584A EP1391157A1 (fr) 2002-08-19 2002-08-19 Séparation de fibres de tabac dans un distributeur d'une machine de fabrication de tige de tabac

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02018584A EP1391157A1 (fr) 2002-08-19 2002-08-19 Séparation de fibres de tabac dans un distributeur d'une machine de fabrication de tige de tabac

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EP1391157A1 true EP1391157A1 (fr) 2004-02-25

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EP02018584A Withdrawn EP1391157A1 (fr) 2002-08-19 2002-08-19 Séparation de fibres de tabac dans un distributeur d'une machine de fabrication de tige de tabac

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE395817C (de) * 1923-01-18 1924-05-17 Paul Kliemann Vorrichtung zum Absondern von Fremdkoerpern aus geschnittenem Zigarettentabak
DE472108C (de) * 1926-11-17 1929-02-22 American Mach & Foundry Tabakzufuehrungsvorrichtung
GB324930A (en) * 1928-11-05 1930-02-03 William Frederick Grupe Improvements in or relating to tobacco-feeding machines
DE946694C (de) * 1953-02-20 1956-08-02 Kurt Koerber & Co K G Vorrichtung zum Trennen der leichten und mittelschweren von den schweren Tabakteilchen in Tabakausbreitern
GB813576A (en) * 1955-12-29 1959-05-21 Desmond Walter Molins Improvements in or relating to cigarette-making machinery
DE1271005B (de) * 1967-11-22 1968-06-20 Amf Sasib Soc P Az Scipione In Windsichter fuer Schnittabak in den Beschickungskaesten von Zigarettenherstellungsmaschinen
US4031903A (en) * 1974-09-05 1977-06-28 Rothmans Of Pall Mall Canada Limited Winnowing of tobacco
US4220164A (en) * 1976-05-14 1980-09-02 Hauni-Werke Korber & Co. Kg Tobacco distributor for cigarette rod making machines or the like

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE395817C (de) * 1923-01-18 1924-05-17 Paul Kliemann Vorrichtung zum Absondern von Fremdkoerpern aus geschnittenem Zigarettentabak
DE472108C (de) * 1926-11-17 1929-02-22 American Mach & Foundry Tabakzufuehrungsvorrichtung
GB324930A (en) * 1928-11-05 1930-02-03 William Frederick Grupe Improvements in or relating to tobacco-feeding machines
DE946694C (de) * 1953-02-20 1956-08-02 Kurt Koerber & Co K G Vorrichtung zum Trennen der leichten und mittelschweren von den schweren Tabakteilchen in Tabakausbreitern
GB813576A (en) * 1955-12-29 1959-05-21 Desmond Walter Molins Improvements in or relating to cigarette-making machinery
DE1271005B (de) * 1967-11-22 1968-06-20 Amf Sasib Soc P Az Scipione In Windsichter fuer Schnittabak in den Beschickungskaesten von Zigarettenherstellungsmaschinen
US4031903A (en) * 1974-09-05 1977-06-28 Rothmans Of Pall Mall Canada Limited Winnowing of tobacco
US4220164A (en) * 1976-05-14 1980-09-02 Hauni-Werke Korber & Co. Kg Tobacco distributor for cigarette rod making machines or the like

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