EP1174046B1 - Procédé et dispositif pour séparer des fibres de tabac - Google Patents

Procédé et dispositif pour séparer des fibres de tabac Download PDF

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Publication number
EP1174046B1
EP1174046B1 EP01116505A EP01116505A EP1174046B1 EP 1174046 B1 EP1174046 B1 EP 1174046B1 EP 01116505 A EP01116505 A EP 01116505A EP 01116505 A EP01116505 A EP 01116505A EP 1174046 B1 EP1174046 B1 EP 1174046B1
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EP
European Patent Office
Prior art keywords
tobacco
fibres
guideway
air
web
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
EP01116505A
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German (de)
English (en)
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EP1174046A2 (fr
EP1174046A3 (fr
Inventor
Ralf Barkmann
Reinhard Hoppe
Thomas Juschus
Peter Schumacher
Rolf Lindemann
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
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Publication date
Application filed by Hauni Maschinenbau GmbH filed Critical Hauni Maschinenbau GmbH
Publication of EP1174046A2 publication Critical patent/EP1174046A2/fr
Publication of EP1174046A3 publication Critical patent/EP1174046A3/fr
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Publication of EP1174046B1 publication Critical patent/EP1174046B1/fr
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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
    • A24C5/14—Machines of the continuous-rod type
    • A24C5/18—Forming the rod
    • A24C5/1835—Multiple rod making devices
    • 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
    • A24C5/14—Machines of the continuous-rod type
    • A24C5/18—Forming the rod

Definitions

  • the invention relates to a method and a device for separating tobacco fibers from a tobacco stream.
  • a method and a device for separating tobacco fibers are known from DE 43 36 453 A1.
  • the singulation within a chute of the distributor in which the tobacco is accelerated down into a main trajectory, is achieved.
  • alternately offset louvers are provided by which blown air is directed substantially transversely to the trajectory against the down-flying tobacco, whereby this is alternately deflected laterally out of its trajectory.
  • a solution and separation of tobacco fibers is connected.
  • the tobacco fibers, scattered to a large extent are then spotted by means of further air streams, so that tobacco ribs are selected from the further tobacco stream which is transferred to tobacco strands.
  • the feeding of the fleece of tobacco fibers into the effective range of the fiber accelerating element causes fibers to be singly separated from the fleece.
  • the compression of the tobacco stream on the way to the fiber accelerating element is done in a preferred embodiment of the invention continuously.
  • the tobacco stream consists of sighted tobacco.
  • tobacco stream in particular tobacco smoke.
  • the densification of the tobacco stream is accomplished by reducing the velocity of the tobacco stream.
  • This embodiment of the invention can be achieved by a simple structural measure.
  • the speed is substantially reduced to drop, in particular, to about one fifth of the speed or even to about one tenth or less of the speed of the tobacco stream supplied to a respective device and the maximum velocity of the tobacco stream, respectively.
  • the acceleration takes place in the effective range of the fiber acceleration element by means of a first Airflow.
  • An air flow in the context of this invention is in particular a blast air flow.
  • this can be done by mechanical means such as a pin roller an acceleration of the tobacco fibers from the nonwoven.
  • the compression is additionally done by at least a second air flow, which acts compactly on the tobacco stream of, in particular, already in advance a few times separated fibers.
  • This air flow is not designed in contrast to the prior art, that the tobacco stream is alternately deflected laterally from its trajectory, but is only partially deflected from one or both sides of its trajectory, such that just reached a compaction or compression of the tobacco stream becomes.
  • the air flow used for this purpose flows or preferably flows between walls of a corresponding device, wherein preferably in particular a tight-fitting wall flow is used in conjunction with a tapered shaft.
  • the second air flow flows essentially in the direction of movement of the web.
  • further means are provided by means of which or by means of the transverse flows are suppressed or completely prevented.
  • the fleece becomes denser the closer it gets to the fiber accelerating element. If preferably the fleece in areas which are transverse to the conveying direction, has a substantially homogeneous density, the effluent stream of individual fibers is also very homogeneous.
  • homogeneous density is meant a uniform density as possible, it being understood that with fibers or tobacco, a completely homogeneous density is not possible.
  • the air stream used for separating can extract fibers from the fleece in a particularly effective manner.
  • a desired uniform fiber strand can be achieved by collecting or collecting the singulated fibers.
  • the control and / or regulation of the speed of the tobacco stream and / or of the air streams or flows preferably takes place as a function of the thickness and / or density of the web and the delivery rate of the entire device or in the case of a cigarette manufacturing machine the production of this.
  • the thickness and / or density of the web is measured.
  • the thickness and / or the density of the fleece is regulated or controlled, a particularly homogeneous tobacco rod can be realized.
  • the control and / or regulation is done via pressure differences.
  • the speed of the tobacco stream is set here, for example, by a negative pressure in the region of the fiber acceleration element.
  • a higher negative pressure means a higher air velocity in the tobacco stream area and thus a lower thickness of the web before the fiber acceleration element.
  • the singulation after the fiber accelerator element is reduced, but the throughput is higher.
  • the person skilled in the art can set an optimum negative pressure for the respectively desired conditions.
  • the negative pressure prevails, for example, in the rolling space.
  • the optimum sliding speed and thus the density of the fibers in the vicinity of the fiber acceleration element is set by negative pressure in the trough of the rolling space.
  • the speed of the second air flow is determined in particular by the pressure in the rolling space.
  • this pressure or the web thickness itself can be measured.
  • the fiber-singling device here also has a chute in which the negative pressure is particularly noticeable.
  • control or regulation is done by means of a discharged air quantity, a particularly effective control or regulation is possible.
  • the amount of air discharged from the rolling space is preferably used.
  • the tobacco stream is divided into at least two streams before or after singulation of the fibers.
  • a particularly preferred variant of the method is present when a tight-fitting wall flow is generated by means of the fiber acceleration element.
  • the fiber acceleration element is then preferably designed such that a close-fitting Wall flow is achieved at a further sliding surface in Wälzraum.
  • the fibers are predisposed.
  • a tobacco stream is used in which essentially only those fiber constituents are contained which are to be further processed later.
  • tobacco fibers for example, the tobacco leaf scaffold and possibly further heavy constituents are selected.
  • a method for producing at least one tobacco rod for rod-shaped articles of the tobacco-processing industry uses the aforementioned method steps, the separated fibers being fed to at least one strand conveyor.
  • the method step of removing tobacco fibers from a storage container and then forming a tobacco stream from these tobacco fibers is initially provided.
  • the tobacco is spotted before forming the tobacco stream.
  • Tobacco stream in the context of this invention is understood in particular to be a shower of tobacco and / or a moving fleece of tobacco, wherein the tobacco stream may initially be a chill and then form into a nonwoven and may subsequently consist of isolated tobacco fibers.
  • excess air is sucked off.
  • at least two tobacco strands are formed and each fed to a strand conveyor.
  • a device for separating tobacco fibers from a tobacco stream, with a fiber feed element which feeds the fibers to a compacting device is developed in that a fleece can be formed from the fibers by means of the compacting device and a fiber accelerator element is provided which accelerates the fibers in such a way that that a separation takes place.
  • this device for separating fibers, it has surprisingly been possible to convert the fibers into a high degree of separation to a high degree and with relatively little energy consumption.
  • the compaction device which in particular preferably has a guideway with a sliding surface, a fleece is then formed, which is generated in particular by dumping or damming the fibers on the guideway and slowing down the speed of the fibers.
  • the fibers of the web are then accelerated so that a separation takes place.
  • the nonwoven preferably slips on the sliding surface and / or on an air film or air stream.
  • a distributor device is arranged between the fiber feed element and the compacting device, which feeds the fibers from the fiber feed element to the compacting device.
  • the distribution device preferably comprises a removal roller and a racket roller.
  • the compression device comprises at least one nozzle, it is possible to apply air to the tobacco stream and / or a tobacco shower so with air, so that a pre-compression of the tobacco stream in the shower is already possible.
  • a tight-fitting air flow preferably after the Coanda effect, use.
  • the air flow elements or nozzles are preferably slot nozzles which extend substantially over the entire width of the FaserzuGermanelements.
  • the airflow elements may preferably also be secondary air slots.
  • the secondary air slots make it possible, in particular, for an air flow to be generated which essentially flows between the tobacco shower and / or the tobacco mat and a wall of the device according to the invention.
  • transverse components of the air streams can be suppressed by air guide surfaces running in the conveying direction of the tobacco, which preferably themselves do not come into contact with the tobacco.
  • the compacting device has a guideway which is designed such that the nonwoven fabric forming on the guideway in the compacting device slows down in the conveying direction.
  • a guideway which is designed such that the nonwoven fabric forming on the guideway in the compacting device slows down in the conveying direction.
  • the guideway is at least partially curved, such that it has an increasing slope in the conveying direction and in relation to the horizontal, a particularly simple Configuration of the device possible.
  • This shape of the guideway is called concave.
  • the fiber accelerating element is a nozzle, and more preferably a slot nozzle, by means of which air is blown out at a relatively high speed.
  • the nozzle is arranged in the guideway.
  • the nozzle is arranged in the region of the lower vertex of the guide track, so that the fleece shortly before this nozzle has a relatively low velocity, which is essentially determined only by a negative pressure in the rolling space or the flow velocity of the air compressing the fleece , In particular, due to this embodiment of the invention, there is no further acceleration due to gravity.
  • the guide track is stepless, at least in the region of the nozzle, a particularly effective separation is possible.
  • the envelope of the guideways without jump or without edge or step or inhomogeneity in the slope so the derivative of the mathematical function of the guideway is provided.
  • at least one further fiber acceleration element in particular a further nozzle, is provided, further homogeneous separation is possible.
  • the nozzles are at least partially slot dies which extend continuously across the width of the track.
  • downstream wall of at least one nozzle in convex curvature which is related to the conveying direction, merges into the curvature of the guide track.
  • the guide track is composed of segments whose adjacent boundary surfaces form nozzle walls of the nozzles, whereby an easy-to-install and easy-to-optimize device can be realized.
  • At least one sensor is provided, by means of which the thickness and / or density of the fleece and / or the pressure in the region of the fleece is detected. It is also provided in a preferred embodiment, a sensor which measures the pressure in the rolling space.
  • a control and / or regulating device which is fed by the sensor or sensors, and with which the thickness and / or density of the web and / or the pressure in the region of the web can be controlled and / or regulated. Furthermore, it is preferred that the control and / or regulation takes place via the amount of air taken from the rolling space or via the pressure which is measured via the sensor in the rolling space. For controlling and / or regulating the amount of air taken from the rolling space, an air quantity sensor is provided.
  • At least one secondary air slot is preferably provided, by means of which an air flow can be generated, which flows essentially between the supplied fibers and / or the fleece and a wall of the device, a very well-defined compaction of the Fleece, which can be very homogeneous, possible.
  • a means for reducing transverse flows is provided in the region of the compacting device.
  • this means comprises at least one guide surface, which extends in particular in the conveying direction of the tobacco.
  • a plurality of juxtaposed guide surfaces are provided.
  • a cigarette manufacturing machine is provided with one of the aforementioned devices.
  • Fig. 1 shows a schematic longitudinal section through a section of a distributor of a double-strand cigarette machine.
  • Tobacco is usually conveyed from an upward conveyor, not shown in FIG. 1, into a stowage bay 216 in which a tobacco supply 217 thus accumulates.
  • Tobacco stock 217 in stowage bay 216 is monitored by light barriers, which are not shown.
  • the removal conveyor is controlled in the sense of keeping the tobacco level in the stowage bay 216 constant.
  • the removal device consists of a removal roller 221 and a racket roller 222 with respect to the removal roller 221 greatly increased speed.
  • the removal roller 221 is provided with spikes 223, the relatively fast rotating club roller 222 with pins 224.
  • the chimney 226 made of tobacco fibers knocked out of the beater roller 222 from the spines 223 of the removal roller 221, in the direction of the arrow 227, enters a funnel-shaped narrowing feed chute in the form of a channel 228 in which a blower nozzle 307 connected to an air box 308 is arranged is.
  • the blast air nozzle 307 blows air between the wall 316 of the well 228 and the tobacco shower, such that the tobacco in the Tobacco shower 226 is compressed.
  • a compression takes place in a further embodiment, not shown, without the Blas Kunststoffdüse 307.
  • air is sucked in on the walls 315 and 316 via the secondary air slots 301 and 302, which in itself leads to a compression of the tobacco smoke.
  • Baffles 310 suppress transverse components of the airflow, which allows a more even tobacco distribution.
  • the guide surfaces 310 are shown in the embodiment of FIG. 3.
  • the tobacco shower consists of pre-sighted tobacco fibers.
  • a classifying air stream is usually used, which blows transversely to the conveying direction, for example, a tobacco smoke.
  • the light tobacco fibers consisting of long tobacco fibers and short light tobacco fibers, separated from the heavy tobacco fibers (ribs) and transported away transversely. Further sifting may then take place to recover light tobacco fibers from the weighted heavier tobacco fibers.
  • the tobacco fibers contained in the shaft 228 are fed to a guide surface 251.
  • the tobacco fibers either come into contact with the guide surface 251 or slip on a kind of air cushion consisting of the air, which is guided for example by the Blas Kunststoffdüse 307 in the device and / or passes from the secondary air slots in the device.
  • the speed of the tobacco decreases due to the increasing slope of the baffle 251.
  • the guide surface 251 in the shaft has a relatively large negative slope, which then merges into a substantially horizontal slope, and then rise again. Due to the decreasing speed and the compaction of the tobacco, a web 305 is formed on the baffle 251. This becomes larger due to the decreasing speed in the Uliesiere.
  • the height and / or the density of the fleece is measured by means of a sensor 309. This measured value can be provided for control and / or control.
  • the sensors may be, for example, ultrasonic sensors or laser distance sensors.
  • a laser distance sensor for example, a LAS OMRON Z4M-W from OMRON, One East Commerce Drive, Schaumburg, IL 60173, USA, could be used.
  • the ultrasonic sensor used may be an UNDK 30 from Baumer Electric or a sensor with the type designation UC300-F43-2KIR2-V17 from Pepperl + Fuchs Inc., 1600 Enterprise Parkway, Twinsburg, Ohio 44087, USA.
  • the tobacco mat is subjected to a high air velocity, so that the tobacco fibers are separated from the nonwoven occasionally.
  • a tight-fitting wall flow is used here in particular.
  • the tobacco stream 252 is divided into two tobacco streams or tobacco filling streams 256 and 257 in a deflection zone 253, which are conveyed on guide surfaces 261 and 262 in the direction of a respective strand conveyor 263 and 264.
  • the respective tobacco streams are accelerated by suction air conveyors 263 and 264 by means of blown air nozzles 258, which carry blown air from an air box 259, preferably close to the guide surfaces 261 and 262.
  • a partition wall 254 is preferably provided between Vanes 261 and 262, a partition wall 254 is preferably provided.
  • the two upwardly aspirating Tabak Stahle 256 and 257 then go to the two parallel juxtaposed Saugstrangmern 263 and 264, each consisting of a basically a tobacco channel along a perforated plate running air-permeable conveyor belt whose back is under the suction of a vacuum chamber.
  • the excess blown air in the rolling space 306 escapes through a screen 271 into a flash room 272 and is discharged through a blower 313 (FIG. 3).
  • the tobacco is separated a second time by means of an accelerator nozzle 303, which is preferably in the form of a slot.
  • the tobacco which slides on the guide surface, is torn apart from the nozzle.
  • the tobacco preferably slides or glides directly on the guide surface 251.
  • the optimum sliding speed and thus also the density of the tobacco in front of the nozzle is adjusted by the negative pressure in the rolling space 306 enclosed by the curved guide surface 251 and the screen 271.
  • a higher negative pressure means a higher air velocity in the chute and thus a lower density before the first nozzle.
  • the separation becomes smaller, as a result of which the tobacco stream forming on the strand conveyor 263 and 264 becomes less uniform.
  • the singling becomes smaller again, so that an optimum can be set is.
  • the charging level or density of the tobacco in the vicinity of the nozzle 303 and / or the air pressure forming in the rolling space or in the connected expansion space is determined by means of a pressure sensor 311 via the sensor 309 so as to adapt the negative pressure accordingly.
  • the signals from the sensors 309 and 311 are supplied to a controller 312, which in response controls the amount of air discharged from the expansion space via an adjustable throttle 314 and / or the speed of a fan 313. This is shown in Fig. 3.
  • the lower vertex 320 is also shown in FIG.
  • Fig. 2 shows a schematic sectional view of a part of the distributor, in particular the part which relates to the nozzles 303 and 258. These are shown in Fig. 2 by the reference numeral 23 as Blas Kunststoffdüse. Pressure in this embodiment preferably passes from a common pressure chamber 23a to the nozzles 23. The tobacco slides on the sliding surface 21a of the guide track 21.
  • the generator of the guide track 21 is based on a uniform envelope, so that individual segments 38 of the guide track 21 steplessly connect to each other: At the respective abutting edges of the individual segments 38 are formed as perpendicular to the plane continuous slot nozzles Blas Kunststoffdüsen 23 formed, which - based on the conveying direction (P-fille 36) of the tobacco stream - downstream wall in continuous convex curvature in the concave sliding surface 21a of the guide rail 21 passes. In this way it is possible to form a tear-free continuous wall flow of blast air and tobacco on the sliding surface 21. This continuous wall flow is achieved due to the Coanda effect.
  • the end portion of the sliding surface 21a of the guide track 21 is aligned with one of the channel cheeks 32, so that a gap-free, smooth transition of the guide track 21 to the tobacco channel 31 is ensured.
  • the further channel cheek, which is associated with the channel cheek 32 is indicated by the reference numeral 32a.
  • Tobacco is removed from the stowage bay as described above and formed into a shower.
  • the accelerator nozzle 303 or 307 air is drawn in through the secondary air slots 301 and 302, which encloses the shower 226 in the shaft 228 and compacts it into a nonwoven 305. Disturbing transverse components of the flow through guide surfaces 310 are suppressed.
  • the nonwoven slides into the region of influence of the accelerator nozzle 303 at a relatively low velocity.
  • From a pressurized air box 304 the air flows through the nozzle 303 along the guide surface 251 to the deflecting zone 253. It will be each detected the foremost tobacco fibers of the web 305 and pulled out of the web and accelerated.
  • the resulting stream 252 of isolated tobacco fibers is split into two tobacco filling streams 256 and 257 and fed to the strand conveyors 263 and 264.
  • the excess blown air of the nozzles is discharged through a screen 271 into a flash room 272, from where it is removed by the fan 313 or other suction.
  • the resulting from the suction in the rolling space 306 negative pressure is measured by the sensor 311 and kept constant by controlling the suction.
  • the desired value of this control can be tracked as a function of the engine speed.
  • the height of the tobacco mat 305 is constantly monitored by a sensor 309. If the measured value is outside a tolerance range, the air conditions or pressure conditions can be adjusted by changing the setpoint for the vacuum control.
  • An additional blown air nozzle 307 with associated air box 308 can preferably be switched on in order to increase the sliding speed of the fleece, if in certain operating states there is a risk of clogging of the shaft 228. This can be given in particular when starting or when shutting down the machine.
  • the tobacco shower or the tobacco stream flows in the The area of the lower vertex at a speed of about 10 m / s, and the density of the tobacco smoke is a few g / l (grams / liter).
  • the speed of the tobacco fleece shortly before the fiber accelerating element is in a range of about 1 m / s and the density of the tobacco fleece is at this about 100 g / l.
  • the thickness or height of the tobacco mat is preferably between 1 and 10 mm, and more preferably between 1 and 5 mm.

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Claims (37)

  1. Procédé pour séparer des fibres de tabac à partir d'un courant de tabac (226, 305), avec les étapes de procédé suivantes :
    - compactage du courant de tabac (226, 305) en direction d'un élément d'accélération de fibres (23, 258, 303) de telle sorte qu'il se forme une nappe (305), et
    - accélération des fibres individuelles du courant de tabac (226, 305) dans la zone active de l'élément d'accélération de fibres (23, 258, 303).
  2. Procédé selon la revendication 1, caractérisé en ce que le compactage s'effectue en réduisant de la vitesse du courant de tabac (226, 305).
  3. Procédé selon la revendication 1 et/ou 2, caractérisé en ce que l'accélération dans la zone active de l'élément d'accélération de fibre s'effectue au moyen d'un premier courant d'air.
  4. Procédé selon une ou plusieurs des revendications 1 à 3, caractérisé en ce que, pour le compactage, on utilise au moins un second courant d'air qui agit par compactage sur le courant de tabac (226, 305).
  5. Procédé selon une ou plusieurs des revendications 1 à 4, caractérisé en ce que la nappe (305) devient d'autant plus compacte qu'elle se rapproche de l'élément d'accélération de fibres (23, 258, 303).
  6. Procédé selon une ou plusieurs des revendications 1 à 5, caractérisé en ce que la nappe (305) présente sensiblement une densité homogène dans les zones se situant transversalement au sens de transport.
  7. Procédé selon une ou plusieurs des revendications 1 à 6, caractérisé en ce que le second courant d'air circule sensiblement dans le sens de déplacement de la nappe.
  8. Procédé selon une ou plusieurs des revendications 1 à 7, caractérisé en ce que l'accélération des fibres individuelles s'effectue sensiblement dans le sens de transport.
  9. Procédé selon une ou plusieurs des revendications 1 à 8, caractérisé en ce que la vitesse du courant de tabac (226, 305) et/ou du ou des courants d'air est commandée ou régulée.
  10. Procédé selon une ou plusieurs des revendications 1 à 8, caractérisé en ce que l'épaisseur de la nappe est réglée ou commandée.
  11. Procédé selon la revendication 9 et/ou 10, caractérisé en ce que la commande ou le réglage s'effectue au moyen de différences de pression.
  12. Procédé selon une ou plusieurs des revendications 8 à 11, caractérisé en ce que la commande ou le réglage s'effectue au moyen d'une quantité d'air évacuée. -
  13. Procédé selon une ou plusieurs des revendications 1 à 12, caractérisé en ce qu'un écoulement de paroi étroitement contigu est généré au moyen de l'élément d'accélération de fibres (23, 258, 303).
  14. Procédé selon une ou plusieurs des revendications 1 à 13, caractérisé en ce que le flux de tabac est constitué d'un tabac pré-trié.
  15. Procédé pour la fabrication d'au moins un boudin de tabac pour des articles en forme de barrette dans l'industrie du tabac avec l'utilisation des étapes de procédé selon une ou plusieurs des revendications 1 à 14, les fibres de tabac séparées étant par ailleurs acheminées au moins à un transporteur de boudin (263, 264).
  16. Procédé selon la revendication 15, caractérisé en ce qu'on prévoit d'abord une étape de procédé consistant à prélever les fibres de tabac (217) d'un récipient de stockage (216) et à former ensuite un courant de tabac (226, 305) à partir de ces fibres de tabac.
  17. Procédé selon la revendication 15 et/ou 16, caractérisé en ce que l'air excédentaire est évacué par aspiration.
  18. Procédé selon une ou plusieurs des revendications 15 à 17, caractérisé en ce qu'au moins deux courants de tabac (256, 257) sont formés et sont amenés chacun à un transporteur de boudin (263, 264).
  19. Procédé selon la revendication 18, caractérisé en ce que le courant de tabac (226, 305) est subdivisé en au moins deux courants avant la séparation des fibres.
  20. Procédé selon la revendication 18, caractérisé en ce que la subdivision des fibres de tabac entre les courants de tabac (256, 257) s'effectue après la séparation des fibres de tabac.
  21. Appareil pour séparer des fibres de tabac à partir d'un courant de tabac (226, 305) avec un élément d'alimentation en fibres (216), qui amène les fibres à un dispositif de compactage (38, 228, 301, 302, 307), caractérisé en ce qu'une nappe (305) est apte à être formée au moyen du dispositif de compactage à partir des fibres et en ce qu'un élément d'accélération de fibres (23, 258, 303) est prévu, lequel accélère les fibres de telle sorte qu'une séparation s'effectue.
  22. Appareil selon la revendication 21, caractérisé en ce qu'entre l'élément d'alimentation en fibres (216) et le dispositif de compactage (38, 228, 301, 302, 307) est disposé un dispositif de distribution (221, 222, 223, - 224), qui amène les fibres provenant de l'élément d'alimentation en fibres (216) au dispositif de compactage (38, 228, 301, 302, 307).
  23. Appareil selon la revendication 21 et/ou 22, caractérisé en ce que le dispositif de compactage comprend au moins une buse (307).
  24. Appareil selon une ou plusieurs des revendications 21 à 23, caractérisé en ce que le dispositif de compactage présente un chemin de guidage (21, 228), dont la structure est telle que la nappe (305) se formant dans le dispositif de compactage sur le chemin de guidage (21, 228) se ralentit dans le sens de transport.
  25. Appareil selon la revendication 24, caractérisé en ce que le chemin de guidage (21, 228) est au moins partiellement incurvé de telle sorte qu'il présente une pente croissante dans le sens de transport et par rapport à l'horizontale.
  26. Appareil selon une ou plusieurs des revendications 21 à 25, caractérisé en ce que l'élément d'accélération de fibres est une buse (23, 258, 303).
  27. Appareil selon la revendication 26, caractérisé en ce que la buse (23, 258, 303, 307) est disposée dans le chemin de guidage (21, 228).
  28. Appareil selon la revendication 27, caractérisé en ce que la buse (23, 258, 303, 307) est disposée dans la zone du sommet inférieur (320) du chemin de guidage (21, 228).
  29. Appareil selon une ou plusieurs des revendications 26 à 28, caractérisé en ce que le chemin de guidage (21, 228) est continu au moins dans la zone des buses (23, 258, 303, 307).
  30. Appareil selon une ou plusieurs des revendications 21 à 29, caractérisé en ce qu'au moins un autre élément d'accélération de fibres (258), en particulier une autre buse, est prévu.
  31. Appareil selon une ou plusieurs des revendications 26 à 30, caractérisé en ce que les buses (23, 258, 303, 307) sont au moins en partie des buses à fente, qui s'étendent pour l'essentiel ou complètement à travers la largeur du chemin de guidage (21, 228).
  32. Appareil selon une ou plusieurs des revendications 26 à31, caractérisé en ce que la paroi, en aval du courant par rapport au sens de transport, d'au moins une buse (23, 258, 303, 307) se raccorde par une courbure convexe à la courbure du chemin de guidage (21, 228, 261, 262).
  33. Appareil selon une ou plusieurs des revendications 26 à 32, caractérisé en ce que le chemin de guidage (21, 228, 261, 262) est composé de segments (38), dont chacune des surfaces de délimitation respectivement voisines forme les parois des buses (23, 258, 303, 307).
  34. Appareil selon une ou plusieurs des revendications 21 à 33, caractérisé en ce qu'il est prévu au moins un capteur (309, 311) qui enregistre l'épaisseur et/ou la densité de la nappe (305) et/ou la pression dans un espace (306) au-dessus du chemin de guidage (261, 262).
  35. Appareil selon une ou plusieurs des revendications 21 à 34, caractérisé en ce qu'au moins une fente d'air secondaire (301, 302) est prévue, qui permet de générer un courant d'air qui circule sensiblement entre les fibres (226) acheminées et/ou la nappe (305) et une paroi (315, 316) de l'appareil.
  36. Appareil selon une ou plusieurs des revendications 21 à 35, caractérisé en ce qu'un moyen (310) pour réduire les écoulements transversaux est prévu dans la zone du dispositif de compactage (38, 228, 301, 302, 307).
  37. Appareil selon la revendication 36, caractérisé en ce que le moyen (310) comprend au moins une surface de guidage (310).
EP01116505A 2000-07-20 2001-07-07 Procédé et dispositif pour séparer des fibres de tabac Expired - Lifetime EP1174046B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10035692 2000-07-20
DE10035692A DE10035692A1 (de) 2000-07-20 2000-07-20 Verfahren und Vorrichtung zum Vereinzeln von Tabakfasern

Publications (3)

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EP1174046A2 EP1174046A2 (fr) 2002-01-23
EP1174046A3 EP1174046A3 (fr) 2003-12-03
EP1174046B1 true EP1174046B1 (fr) 2006-03-08

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EP01116505A Expired - Lifetime EP1174046B1 (fr) 2000-07-20 2001-07-07 Procédé et dispositif pour séparer des fibres de tabac

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US (1) US6634365B2 (fr)
EP (1) EP1174046B1 (fr)
JP (1) JP2002065234A (fr)
CN (1) CN1247125C (fr)
AT (1) ATE319334T1 (fr)
DE (2) DE10035692A1 (fr)
PL (1) PL191133B1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE332650T1 (de) * 2002-05-21 2006-08-15 Hauni Maschinenbau Ag Anordnung und verfahren zum aufbau von wenigstens zwei tabaksträngen in einer zigarettenstrangmaschine
EP1442666B1 (fr) * 2003-01-28 2006-10-11 Hauni Maschinenbau AG Procédé en particulier pour alimenter une machine de fabrication de tige de tabac ainsi que distributeur en particulier pour la mise en oeuvre du procédé
ITBO20030125A1 (it) * 2003-03-07 2004-09-08 Gd Spa Metodo ed unita` per la realizzazione contemporanea
ATE497353T1 (de) * 2003-06-19 2011-02-15 Hauni Maschinenbau Ag Sichtmittel zum sichten eines produktstroms innerhalb einer verteilervorrichtung
DE102004007841A1 (de) * 2004-02-17 2005-09-08 Hauni Maschinenbau Ag Strangmaschine, Verfahren zum Betrieb derselben und Luftfördersystem
DE102004015468A1 (de) * 2004-03-26 2005-10-20 Hauni Primary Gmbh Verfahren und Vorrichtung zur Fremdkörperabscheidung aus einem Tabakstrom
DE102004027023B3 (de) 2004-06-02 2005-12-08 Hauni Maschinenbau Ag Verfahren und Einrichtung zur Herstellung eines Tabakstrangs
DE102005019390A1 (de) * 2005-04-25 2006-10-26 Hauni Maschinenbau Ag Strangbildungseinrichtung mit Luftströmungsbarriere
RU2388389C1 (ru) * 2006-02-14 2010-05-10 Джапан Тобакко Инк. Питатель для подачи измельченного табачного материала сигаретоделательной машины
DE102006009148B9 (de) * 2006-02-24 2010-12-02 Hauni Maschinenbau Ag Strömungskörper einer Zigarettenstrangmaschine
DE102006031216A1 (de) * 2006-06-30 2008-01-03 Hauni Maschinenbau Ag Strömungskörper in einer Strangmaschine der Tabak verarbeitenden Industrie
IT1395036B1 (it) * 2009-08-10 2012-09-05 Gd Spa Macchina confezionatrice per la realizzazione contemporanea di due bachi continui di sigarette.
CN103720034B (zh) * 2012-10-11 2016-06-29 贵州中烟工业有限责任公司 高整丝率的废烟烟丝回收装置及回收方法
EP3375302B1 (fr) 2017-03-17 2019-09-25 Hauni Maschinenbau GmbH Système et procédé de réalisation d'au moins deux faisceaux de fibres dans une machine de filage de l'industrie du tabac

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US3648035A (en) 1969-06-02 1972-03-07 Industrial Nucleonics Corp System and method for optimizing processor or equipment profit
LU74814A1 (fr) 1976-04-21 1977-01-12
IT1167017B (it) 1982-12-02 1987-05-06 Hauni Werke Koerber & Co Kg Dispositivo per formare un filone di tabacco
US4986285A (en) 1986-03-06 1991-01-22 Korber Ag Method and apparatus for ascertaining the density of wrapped tobacco fillers and the like
DE3619579C2 (de) 1986-06-11 1995-05-18 Hauni Werke Koerber & Co Kg Vorrichtung zur gleichzeitigen Herstellung von zwei Endloszigarettensträngen
IT1237504B (it) 1988-11-22 1993-06-08 Koerber Dispositivo di alimentazione per un filatoio doppio dell'industria di lavorazione del tabacco.
DE4108797A1 (de) * 1991-03-18 1992-09-24 Hauni Werke Koerber & Co Kg Verfahren und vorrichtung zur gleichzeitigen herstellung von zwei endlos-tabakstraengen
DE4336453A1 (de) 1993-10-26 1995-04-27 Hauni Werke Koerber & Co Kg Verfahren und Vorrichtung zum Vereinzeln von Tabakfasern
JP3431716B2 (ja) * 1995-02-16 2003-07-28 日本たばこ産業株式会社 シガレット製造機の刻みたばこ給送装置
DE19901087A1 (de) * 1999-01-14 2000-07-20 Hauni Maschinenbau Ag Vorrichtung zum Erzeugen eines ausgebreiteten Faserstromes aus Tabakfasern

Also Published As

Publication number Publication date
EP1174046A2 (fr) 2002-01-23
EP1174046A3 (fr) 2003-12-03
PL191133B1 (pl) 2006-03-31
US6634365B2 (en) 2003-10-21
CN1334049A (zh) 2002-02-06
CN1247125C (zh) 2006-03-29
JP2002065234A (ja) 2002-03-05
ATE319334T1 (de) 2006-03-15
PL348791A1 (en) 2002-01-28
DE10035692A1 (de) 2002-01-31
US20020017307A1 (en) 2002-02-14
DE50109131D1 (de) 2006-05-04

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