EP1174046A2 - Verfahren und Vorrichtung zum Vereinzeln von Tabakfasern - Google Patents
Verfahren und Vorrichtung zum Vereinzeln von Tabakfasern Download PDFInfo
- Publication number
- EP1174046A2 EP1174046A2 EP01116505A EP01116505A EP1174046A2 EP 1174046 A2 EP1174046 A2 EP 1174046A2 EP 01116505 A EP01116505 A EP 01116505A EP 01116505 A EP01116505 A EP 01116505A EP 1174046 A2 EP1174046 A2 EP 1174046A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- tobacco
- fibers
- fleece
- air
- guideway
- 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.)
- Granted
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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 stream of tobacco.
- From US-PS 4,564,027 is a device for construction a continuous stream of tobacco known in which a Tobacco shower is caught on a sloping wall and first by means of a roller and then an air flow is ensured that the Tobacco fibers of the tobacco shower in the direction of a strand conveyor be accelerated further.
- a method and device for separating Tobacco fibers are known from DE 43 36 453 A1.
- This document will separate within a Chute of the distributor in which the tobacco is in a Main trajectory is accelerated downwards, reached.
- opposite channel walls limited chute are alternately staggered Louvers provided through which blowing air in essentially transverse to the trajectory against the descending Tobacco is directed, making this alternate is deflected laterally out of its trajectory.
- With the lateral deflection is a solution and isolation of tobacco fibers connected.
- the to a large extent isolated tobacco fibers sighted by means of further air currents, so that tobacco fins from the further stream of tobacco that leads to tobacco strands will be convicted.
- tobacco flow means in particular also tobacco showers.
- the tobacco stream is preferably compressed by reducing the speed of the tobacco flow.
- This embodiment of the invention can by simple constructive measure can be achieved.
- the speed is significantly reduced, so that this in particular accounts for about a fifth of the Speed or even down to about a tenth or less the speed of a corresponding one Device supplied tobacco flow or the maximum The speed of the tobacco flow decreases.
- Acceleration preferably takes place in the effective range of the fiber acceleration element by means of a first Airflow.
- An air flow is within the scope of this invention especially a blown air stream.
- the compression is preferably carried out additionally at least a second air stream that is on top of the tobacco stream especially in advance for the first time isolated fibers, has a compacting effect.
- air flow is not designed in such a way that the tobacco flow alternately is deflected laterally out of its trajectory, but by one or both sides of its trajectory only partially is distracted in such a way that a compacting or compression of the tobacco flow is achieved.
- the air flow used for this flows or flows preferably between walls of a corresponding Facility, preferably preferably a narrow one adjacent wall flow in connection with one itself tapered shaft is used.
- the second air flow in the flows essentially in the direction of movement of the fleece It is particularly preferred if the second air flow in the flows essentially in the direction of movement of the fleece. With this measure it is possible as far as possible Suppress cross currents. Are preferred however, further means are provided by means of which or suppressed or completely by means of the cross currents be prevented. This measure allows the Homogeneity of the tobacco rod to be produced clearly increase.
- the fleece becomes denser the closer it is to the Fiber acceleration element arrives.
- the fleece in areas that are transverse to the conveying direction are essentially homogeneous in density, the flowing stream of individual fibers is also very homogeneous.
- the airflow used for separation is particularly effective Pull the fibers out of the fleece.
- the speed of the tobacco flow and / or the or the air streams controlled and / or can be regulated one according to the wishes uniform fiber strand by collecting or collecting of the individual fibers can be reached.
- the control and / or regulating the speed of the tobacco flow and / or the or the air streams is preferably done depending on the thickness and / or density of the fleece and the funding rate of the entire facility or in Case of a cigarette manufacturing machine's production output this.
- the thickness and / or measured the density of the fleece is preferably used to control and / or measured the density of the fleece.
- the thickness and / or density of the fleece is regulated or controlled, is a particularly homogeneous tobacco rod realizable.
- the control and / or regulation preferably takes place about pressure differences.
- the speed of the tobacco flow is here, for example, by a negative pressure in the area of the fiber acceleration element set.
- a higher vacuum means a higher one Air speed in the tobacco flow area and therefore one reduced thickness of the fleece in front of the fiber acceleration element.
- the isolation is thus a total the fiber acceleration element less, however the throughput higher.
- the specialist for the respectively desired conditions set an optimal vacuum. in case of a Distributor of a cigarette rod machine prevails Negative pressure, for example in the rolling chamber.
- the tobacco slips on a slide or a sliding surface up to the Fiber acceleration element.
- the optimal sliding speed and thus the density of the fibers in the Proximity of the fiber acceleration element is caused by negative pressure set in the recess of the rolling chamber.
- the Velocity of the second airflow becomes particularly determined by the pressure in the rolling chamber. For control or This pressure can regulate the fleece thickness or fleece height or the fleece thickness itself can be measured.
- the fiber separation device also has one Chute in which the vacuum is particularly noticeable.
- control or regulation by means of an amount of air that is removed is special effective control or regulation possible. in this connection is preferably removed from the rolling chamber Air volume used.
- the tobacco flow is before or after Separation of the fibers in at least two streams divided up.
- a particularly preferred process variant is present if by means of the fiber acceleration element a tight wall flow is generated.
- the fiber acceleration element is then preferably designed such that a close-fitting Wall flow on a further sliding surface is reached in the rolling chamber.
- the fibers are preferably pre-sifted. To run the method for separating fibers is therefore a Stream of tobacco used in the essentially exclusively only those fiber components are contained, which will be processed later. In case of Tobacco fibers are, for example, the tobacco leaf structure and If necessary, other heavy components are sighted out.
- the invention uses a manufacturing method at least one tobacco rod for rod-shaped articles the tobacco processing industry the aforementioned Process steps from where the separated fibers are fed to at least one strand conveyor.
- Under stream of tobacco is in particular also within the scope of this invention
- Excess air is preferably extracted. Further preferably at least two strands of tobacco are formed and each fed to a strand conveyor. Finally is preferably the division of the tobacco fibers into the Strands of tobacco after the separation of the tobacco fibers carried out and preferably shortly after separation until about the same time.
- the fiber feed element preferably which is preferably a storage shaft
- the compression device a first isolation in itself known way.
- the particularly preferably a guideway with a Having a sliding surface a fleece is then formed especially by pouring or piling up the fibers on the track and slowing down the speed of fibers is created.
- the fiber acceleration element the fibers of the fleece are then like this accelerates that a separation takes place.
- the Nonwoven preferably slips on the sliding surface and / or on an air film or air flow.
- the distribution device preferably includes a pick roller and a beater roller.
- the compaction device at least comprises a nozzle
- the airflow elements or nozzles are preferred Slot nozzles that are essentially the whole Extend the width of the fiber feed element.
- the airflow elements can preferably also secondary air slots his.
- the secondary air slots make it possible in particular that an air flow can be generated, which is essentially between the tobacco shower and / or the tobacco fleece and a wall of the device according to the invention flows.
- cross components of the Air flows through the direction of flow of the tobacco Air baffles are suppressed by themselves preferably do not come into contact with the tobacco.
- the compression device preferably has a Guide path, which is designed such that the itself in the compaction device on the guideway forming fleece slows down in the conveying direction.
- the guideway is at least partially is curved, such that it is in the conveying direction and increasing in relation to the horizontal Incline is a particularly simple Design of the facility possible.
- a negative or a positive slope in the conveying direction started.
- the guideway for example, started with a negative slope becomes more and more horizontal approximates, and then, if necessary, across the horizontal to rise to the top.
- This form of the guideway is called concave.
- the fiber acceleration element is preferably a Nozzle and particularly preferably a slot nozzle, by means of air at a relatively high speed is blown out.
- the nozzle is in the Guideway arranged.
- the nozzle is in the Area of the lower vertex of the guideway arranged so that the fleece shortly before this nozzle has a relatively low speed, which essentially only by a vacuum in the Rolling space or the flow rate of the fleece compressing air flows is determined. In particular finds none due to this embodiment of the invention further acceleration due to gravity taking place. If preferably the guideway at least in the area the nozzle is stepless, is a particularly effective one Separation possible.
- the derivative of the mathematical function of the Provided guideway is a further one homogeneous separation possible.
- the nozzles at least partially slit nozzles that are extend continuously across the width of the guideway.
- the guideway is further preferably composed of segments composed, their respective adjacent boundary surfaces Form nozzle walls of the nozzles, whereby a easy to assemble and easy to optimize Setup is feasible.
- At least one sensor is preferably provided, by means of which the thickness and / or density of the fleece and / or the pressure in the area of the fleece is detected. It is also in a preferred embodiment a sensor is provided, which measures the pressure in the rolling chamber.
- control and / or regulating device provided by the sensor or sensors is fed, and with which the thickness and / or density of the Fleece and / or the pressure in the area of the fleece can be controlled and / or regulated. Further is preferred that the control and / or regulation over the amount of air removed from the rolling chamber takes place or via the pressure measured by the sensor in the rolling chamber becomes.
- control and / or regulation via the from the Air volume extracted from the rolling chamber is an air volume sensor intended.
- At least one secondary louvre is provided, by means of which an air flow can be generated, essentially between the fed fibers and / or the fleece and a wall of the device flows, is a very defined compacting of the Fleece, which can be very homogeneous, possible.
- a means of reducing cross flows is provided.
- this means comprises at least one guide surface, particularly in the conveying direction of tobacco runs.
- a cigarette manufacturing machine is preferably included provided one of the aforementioned facilities.
- Fig. 1 shows a schematic longitudinal section through a section of a distributor of a double-strand cigarette machine.
- the tobacco store 217 in the storage shaft 216 is used by light barriers, which are not shown supervised.
- the removal conveyor is in mind keeping the tobacco level constant in the storage shaft 216 controlled.
- the removal device consists of a Removal roller 221 and a beater roller 222 with compared to the removal roller 221 greatly increased speed.
- the removal roller 221 has spikes 223 which are comparative fast rotating racket roller 222 with Provide pins 224.
- the blowing air nozzle 307 blows air between the wall 316 of the shaft 228 and the tobacco shower, so that the tobacco in the Tobacco shower 226 is compressed.
- a condensation takes place in a further embodiment, not shown even without the blowing air nozzle 307 instead.
- Baffles 310 suppress cross components of the air flow, which creates a more even tobacco distribution can be achieved.
- the baffles 310 are in the Embodiment of Fig. 3 shown.
- the tobacco shower consists of pre-sifted tobacco fibers.
- Visual air flow is used, which is transverse to the direction of delivery for example blowing a tobacco shower.
- the light tobacco fibers consisting of long tobacco fibers and short light tobacco fibers, from the heavy ones Tobacco fibers (ribs) separated and transversely removed. It then another sighting can take place to make light Tobacco fibers from the selected heavier tobacco fibers recover.
- the tobacco fibers in the shaft 228 are fed to a guide surface 251.
- the tobacco fibers are coming either in contact with the guide surface 251 or slip on a kind of air cushion consisting of the air that for example through the blowing air nozzle 307 into the device is led and / or from the secondary air slots got into the facility.
- the guide surface 251 When the tobacco flow slides on the guide surface 251 decreases due to the increasing slope the guide surface 251 the speed of the tobacco.
- the guide surface 251 has one in the shaft relatively large negative slope, which then turns into an im substantially horizontal slope then passes to rise again.
- a fleece 305 forms on the guide surface 251. This is due to the slowing speed larger in the fleece height.
- the height and / or the The density of the fleece is determined by means of a sensor 309 measured. This measured value can be used for regulation and / or Control may be provided.
- the sensors can, for example Ultrasonic sensors or laser distance sensors his.
- a laser distance sensor a LAS OMRON Z4M-W from OMRON, One East Commerce Drive, Schaumburg, IL 60173, USA Find.
- the air is out the air box 304, the tobacco fleece with a high air speed so that the Individual tobacco fibers detached from the fleece become.
- the tobacco stream 252 into two tobacco streams or tobacco fill streams 256 and 257 divided on guiding surfaces 261 and 262 in the direction of a strand conveyor 263 and 264 are promoted.
- the respective tobacco flows are blown air nozzles 258, the blown air from a Air box 259 preferably tightly against the guide surfaces 261 and 262 lead, accelerates the suction line conveyor 263 and 264 fed.
- Between Baffles 261 and 262 are preferably a partition 254 provided.
- the two upward tobacco fill flows 256 and 257 then arrive at the two side by side in parallel arranged suction line conveyors 263 and 264, the each consisting of basically a tobacco canal of an air permeable conveyor belt running on a perforated floor exist, the back under the suction of one Vacuum chamber stands.
- the excess blowing air in the Rolling space 306 escapes through a sieve 271 into one Relaxation space 272 and is operated by a fan 313 dissipated (Fig. 3).
- the tobacco is a second time using an accelerator nozzle 303, which is preferably in the form of a slot is trained, isolated.
- the tobacco on the Guiding surface slides, is pulled apart by the nozzle.
- the tobacco preferably slides or slides directly on the guide surface 251.
- the fill height is determined via the sensor 309 or occupancy density of the tobacco near the nozzle 303 and / or in the rolling room or in the connected Air pressure forming a relaxation room by means of a Pressure sensor 311 determined, so preferably the Adjust vacuum accordingly.
- the signals of the Sensors 309 and 311 are fed to a controller 312, depending on that from the relaxation room discharged air volume over an adjustable Throttle 314 and / or the speed of a fan 313 controls. This is shown in Fig. 3.
- the lower Peak 320 is also shown in FIG. 3.
- Fig. 2 shows a schematic sectional view of a Part of the distributor, in particular the part which relates to nozzles 303 and 258. These are in Fig. 2 represented by the reference numeral 23 as a blowing air nozzle.
- pressure preferably comes from a common pressure chamber 23a to the nozzles 23.
- the tobacco slides on the slide surface 21a of the guideway 21.
- Tobacco flow and blown air meet directly in the area the outlet opening of the slot nozzles together so that the blown air at each slot nozzle with its maximum Exit velocity meets the flow of tobacco.
- the End portion of the sliding surface 21 a of the guide track 21 is aligned to one of the channel cheeks 32, so that a gapless, smooth transition of the guideway 21 to Tobacco channel 31 is guaranteed.
- the further channel cheek, which is assigned to the channel cheek 32 is with the Reference number 32a marked.
- Tobacco is removed from the pit as described above taken and shaped into a shower.
- the accelerator nozzle 303 or 307 is by the secondary air slots 301 and 302 sucked air which encloses and closes shower 226 in shaft 228 compressed a fleece 305. Doing so will be distracting Cross components of flow through baffles 310 suppressed.
- the fleece glides with relatively little Speed in the area of influence of the accelerator nozzle 303. From an air box under pressure 304 the air flows through the nozzle 303 along the Guide surface 251 towards the deflection zone 253. In doing so the foremost tobacco fibers of the fleece 305 detected and pulled out of the fleece and accelerated.
- the resulting stream 252 of isolated tobacco fibers is divided into two tobacco fill streams 256 and 257 and fed to the strand conveyors 263 and 264.
- the height of the tobacco fleece 305 is determined by a sensor 309 constantly monitored. If the measured value is outside of a Tolerance range, the air conditions or pressure conditions via a change in the setpoint be adjusted for the vacuum control.
- An additional blowing air nozzle 307 with associated Air box 308 can preferably be switched on to increase the sliding speed of the fleece when in certain operating conditions, the risk of clogging of the shaft 228. This can in particular when starting up or shutting down the Machine.
- the tobacco shower or the tobacco stream flows in the Area of the lower vertex at one speed of about 10 m / s, and the density of the tobacco shower is a few g / l (grams / liter).
- Setup is the speed of the Tobacco fleece shortly before the fiber acceleration element in a range of approx. 1 m / s and the density of the tobacco fleece is about 100 g / l.
- the thickness or height the tobacco fleece there is preferably between 1 and 10 mm and particularly preferably between 1 and 5 mm.
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- Manufacturing Of Cigar And Cigarette Tobacco (AREA)
Abstract
Description
- Verdichten des Tabakstroms in Richtung eines Faserbeschleunigungselements dergestalt, daß sich ein Vlies bildet, und
- Beschleunigen der einzelnen Fasern des Tabakstroms im Wirkbereich des Faserbeschleunigungselements.
- Fig. 1
- einen schematischen Längsschnitt durch einen Ausschnitt eines Verteilers einer Doppelstrangzigarettenmaschine,
- Fig. 2
- einen vergrößerten Ausschnitt des Verteilers mit einer vorzugsweise ausgebildeten Führungsbahn für den Tabak, und
- Fig. 3
- einen schematischen Längsschnitt durch einen weiteren Verteiler einer Doppelstrangzigarettenmaschine.
- 21
- Führungsbahn
- 21a
- Gleitfläche
- 23
- Blasluftdüse
- 23a
- Druckkammer
- 32
- Kanalwange
- 32a
- Kanalwange
- 36
- Pfeil
- 38
- Segment
- 216
- Stauschacht
- 217
- Tabakvorrat
- 219
- Auslaß
- 221
- Entnahmewalze
- 222
- Schlägerwalze
- 223
- Stacheln
- 224
- Stifte
- 226
- Schauer
- 227
- Pfeil
- 228
- Schacht
- 251
- Leitfläche
- 252
- Strom
- 253
- Umlenkzone
- 254
- Trennwand
- 256
- Tabakfüllstrom
- 257
- Tabakfüllstrom
- 258
- Blasdüse
- 259
- Luftkasten
- 261
- Leitfläche
- 262
- Leitfläche
- 263
- Strangförderer
- 264
- Strangförderer
- 271
- Sieb
- 272
- Entspannungsraum
- 301
- Nebenluftschlitz
- 302
- Nebenluftschlitz
- 303
- Beschleunigerdüse
- 304
- Luftkasten
- 305
- Vlies
- 306
- Wälzraum
- 307
- Blasluftdüse
- 308
- Luftkasten
- 309
- Sensor
- 310
- Leitfläche
- 311
- Drucksensor
- 312
- Steuerung
- 313
- Lüfter
- 314
- Drossel
- 315
- Wand
- 316
- Wand
- 320
- unterer Scheitelpunkt
Claims (37)
- Verfahren zum Vereinzeln von Tabakfasern aus einem Tabakstrom (226, 305) mit den folgenden Verfahrensschritten:Verdichten des Tabakstroms (226, 305) in Richtung eines Faserbeschleunigungselements (23, 258, 303) dergestalt, daß sich ein Vlies (305) bildet, undBeschleunigen der einzelnen Fasern des Tabakstroms (226, 305) im Wirkbereich des Faserbeschleunigungselements (23, 258, 303).
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß das Verdichten durch Verringern der Geschwindigkeit des Tabakstroms (226, 305) geschieht.
- Verfahren nach Anspruch 1 und/oder 2, dadurch gekennzeichnet, daß das Beschleunigen im Wirkbereich des Faserbeschleunigungselements mittels eines ersten Luftstroms geschieht.
- Verfahren nach einem oder mehreren der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß zum Verdichten wenigstens ein zweiter Luftstrom Verwendung findet, der auf den Tabakstrom (226, 305) kompaktierend einwirkt.
- Verfahren nach einem oder mehreren der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß das Vlies (305) dichter wird, je näher es an das Faserbeschleunigungselement (23, 258, 303) gelangt.
- Verfahren nach einem oder mehreren der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß das Vlies (305) in Bereichen, die quer zur Förderrichtung liegen, im wesentlichen eine homogene Dichte aufweist.
- Verfahren nach einem oder mehreren der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß der zweite Luftstrom im wesentlichen in Bewegungsrichtung des Vlies strömt.
- Verfahren nach einem oder mehreren der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß das Beschleunigen der einzelnen Fasern im wesentlichen in Förderrichtung geschieht.
- Verfahren nach einem oder mehreren der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß die Geschwindigkeit des Tabakstroms (226, 305) und/oder des oder der Luftströme gesteuert oder geregelt wird.
- Verfahren nach einem oder mehreren der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß die Dicke des Vlies geregelt oder gesteuert wird.
- Verfahren nach Anspruch 9 und/oder 10, dadurch gekennzeichnet, daß die Steuerung oder Regelung über Druckdifferenzen geschieht.
- Verfahren nach einem oder mehreren der Ansprüche 8 bis 11, dadurch gekennzeichnet, daß die Steuerung oder Regelung mittels einer abgeführten Luftmenge geschieht.
- Verfahren nach einem oder mehreren der Ansprüche 1 bis 12, dadurch gekennzeichnet, daß mittels des Faserbeschleunigungselements (23, 258, 303) eine eng anliegende Wandströmung erzeugt wird.
- Verfahren nach einem oder mehreren der Ansprüche 1 bis 13, dadurch gekennzeichnet, daß der Tabakstrom aus vorgesichtetem Tabak besteht.
- Verfahren zur Herstellung wenigstens eines Tabakstrangs für stabförmige Artikel der tabakverarbeitenden Industrie unter Ausnutzung der Verfahrensschritte nach einem oder mehreren der Ansprüche 1 bis 14, wobei außerdem die vereinzelten Tabakfasern wenigstens einem Strangförder (263, 264) zugeführt werden.
- Verfahren nach Anspruch 15, dadurch gekennzeichnet, daß zunächst der Verfahrensschritt des Entnehmens von Tabakfasern (217) aus einem Vorratsbehältnis (216) und das anschließende Bilden eines Tabakstroms (226, 305) aus diesen Tabakfasern vorgesehen ist.
- Verfahren nach Anspruch 15 und/oder 16, dadurch gekennzeichnet, daß überschüssige Luft abgesaugt wird.
- Verfahren nach einem oder mehreren der Ansprüche 15 bis 17, dadurch gekennzeichnet, daß wenigstens zwei Tabakströme (256, 257) gebildet werden und je einem Strangförderer (263, 264) zugeführt werden.
- Verfahren nach Anspruch 18, dadurch gekennzeichnet, daß der Tabakstrom (226, 305) vor der Vereinzelung der Fasern in wenigstens zwei Ströme aufgeteilt wird.
- Verfahren nach Anspruch 18, dadurch gekennzeichnet, daß die Aufteilung der Tabakfasern in die Tabakströme (256, 257) nach der Vereinzelung der Tabakfasern geschieht.
- Einrichtung zum Vereinzeln von Tabakfasern aus einem Tabakstrom (226, 305) mit einem Faserzuführelement (216), das die Fasern einer Verdichtungsvorrichtung (38, 228, 301, 302, 307) zuführt, dadurch gekennzeichnet, daß mittels der Verdichtungsvorrichtung aus den Fasern ein Vlies (305) bildbar ist und daß ein Faserbeschleunigungselement (23, 258, 303) vorgesehen ist, das die Fasern derart beschleunigt, daß eine Vereinzelung stattfindet.
- Einrichtung nach Anspruch 21, dadurch gekennzeichnet, daß zwischen dem Faserzuführelement (216) und der Verdichtungsvorrichtung (38, 228, 301, 302, 307) eine Verteilvorrichtung (221, 222, 223, 224) angeordnet ist, die die Fasern aus dem Faserzuführelement (216) der Verdichtungsvorrichtung (38, 228, 301, 302, 307 zuführt.
- Einrichtung nach Anspruch 21 und/oder 22, dadurch gekennzeichnet, daß die Verdichtungsvorrichtung wenigstens eine Düse (307) umfaßt.
- Einrichtung nach einem oder mehreren der Ansprüche 21 bis 23, dadurch gekennzeichnet, daß die Verdichtungsvorrichtung eine Führungsbahn (21, 228) aufweist, die derart ausgestaltet ist, daß das in der Verdichtungsvorrichtung auf der Führungsbahn (21, 228) sich bildende Vlies (305) sich in Förderrichtung verlangsamt.
- Einrichtung nach Anspruch 24, dadurch gekennzeichnet, daß die Führungsbahn (21, 228) wenigstens teilweise gekrümmt ist, dergestalt, daß diese in Förderrichtung und im Verhältnis zur Horizontalen eine sich vergrößernde Steigung aufweist.
- Einrichtung nach einem oder mehreren der Ansprüche 21 bis 25, dadurch gekennzeichnet, daß das Faserbeschleunigungselement eine Düse (23, 258, 303) ist.
- Einrichtung nach Anspruch 26, dadurch gekennzeichnet, daß die Düse (23, 258, 303, 307) in der Führungsbahn (21, 228) angeordnet ist.
- Einrichtung nach Anspruch 27, dadurch gekennzeichnet, daß die Düse (23, 258, 303, 307) im Bereich des unteren Scheitelpunkts (320) der Führungsbahn (21, 228) angeordnet ist.
- Einrichtung nach einem oder mehreren der Ansprüche 26 bis 28, dadurch gekennzeichnet, daß die Führungsbahn (21, 228) wenigstens im Bereich der Düse (23, 258, 303, 307) stufenlos ist.
- Einrichtung nach einem oder mehreren der Ansprüche 21 bis 29, dadurch gekennzeichnet, daß wenigstens ein weiteres Faserbeschleunigungselement (258), insbesondere eine weitere Düse, vorgesehen ist.
- Einrichtung nach einem oder mehreren der Ansprüche 26 bis 30, dadurch gekennzeichnet, daß die Düsen (23, 258, 303, 307) wenigstens teilweise Schlitzdüsen sind, die sich im wesentlichen oder vollständig durchgehend über die Breite der Führungsbahn (21, 228) erstrecken.
- Einrichtung nach einem oder mehreren der Ansprüche 26 bis 31, dadurch gekennzeichnet, daß die auf die Förderrichtung bezogene stromabwärtige Wandung wenigstens einer Düse (23, 258, 303, 307) in konvexer Krümmung in die Krümmung der Führungsbahn (21, 228, 261, 262) übergeht.
- Einrichtung nach einem oder mehreren der Ansprüche 26 bis 32, dadurch gekennzeichnet, daß die Führungsbahn (21, 228, 261, 262) aus Segmenten (38) zusammengesetzt ist, deren jeweils benachbarte Begrenzungsflächen Düsenwandungen der Düsen (23, 258, 303, 307) bilden.
- Einrichtung nach einem oder mehreren der Ansprüche 21 bis 33, dadurch gekennzeichnet, daß wenigstens ein Sensor (309, 311) vorgesehen ist, der die Dicke und/oder Dichte des Vlieses (305) und/oder den Druck in einem Raum (306) über der Führungsbahn (261, 262) erfaßt.
- Einrichtung nach einem oder mehreren der Ansprüche 21 bis 34, dadurch gekennzeichnet, daß wenigstens ein Nebenluftschlitz (301, 302) vorgesehen ist, mittels dem ein Luftstrom erzeugbar ist, der im wesentlichen zwischen den zugeführten Fasern (226) und/oder dem Vlies (305) und einer Wandung (315, 316) der Einrichtung strömt.
- Einrichtung nach einem oder mehreren der Ansprüche 21 bis 35, dadurch gekennzeichnet, daß im Bereich der Verdichtungsvorrichtung (38, 228, 301, 302, 307) ein Mittel (310) zum Verringern von Querströmungen vorgesehen ist.
- Einrichtung nach Anspruch 36, dadurch gekennzeichnet, daß das Mittel (310) wenigstens eine Leitfläche (310) umfaßt.
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)
Publication Number | Publication Date |
---|---|
EP1174046A2 true EP1174046A2 (de) | 2002-01-23 |
EP1174046A3 EP1174046A3 (de) | 2003-12-03 |
EP1174046B1 EP1174046B1 (de) | 2006-03-08 |
Family
ID=7649822
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01116505A Expired - Lifetime EP1174046B1 (de) | 2000-07-20 | 2001-07-07 | Verfahren und Vorrichtung zum Vereinzeln von Tabakfasern |
Country Status (7)
Country | Link |
---|---|
US (1) | US6634365B2 (de) |
EP (1) | EP1174046B1 (de) |
JP (1) | JP2002065234A (de) |
CN (1) | CN1247125C (de) |
AT (1) | ATE319334T1 (de) |
DE (2) | DE10035692A1 (de) |
PL (1) | PL191133B1 (de) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1563745A1 (de) * | 2004-02-17 | 2005-08-17 | 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 |
EP1602291A1 (de) | 2004-06-02 | 2005-12-07 | Hauni Maschinenbau AG | Verfahren und Einrichtung zur Herstellung eines Tabakstrangs |
DE102005019390A1 (de) * | 2005-04-25 | 2006-10-26 | Hauni Maschinenbau Ag | Strangbildungseinrichtung mit Luftströmungsbarriere |
EP1872671A1 (de) * | 2006-06-30 | 2008-01-02 | Hauni Maschinenbau AG | Strömungskörper in einer Strangmaschine der Tabak verarbeitenden Industrie |
DE102006009148B4 (de) * | 2006-02-24 | 2010-04-08 | Hauni Maschinenbau Ag | Strömungskörper einer Zigarettenstrangmaschine |
ITBO20090543A1 (it) * | 2009-08-10 | 2011-02-11 | Gd Spa | Macchina confezionatrice per la realizzazione contemporanea di due bachi continui di sigarette. |
CN103720034A (zh) * | 2012-10-11 | 2014-04-16 | 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 |
EP3375302A1 (de) | 2017-03-17 | 2018-09-19 | Hauni Maschinenbau GmbH | Anordnung und verfahren zum aufbau von wenigstens zwei fasersträngen in einer strangmaschine der tabak verarbeitenden industrie |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1364588B1 (de) * | 2002-05-21 | 2006-07-12 | Hauni Maschinenbau AG | Anordnung und Verfahren zum Aufbau von wenigstens zwei Tabaksträngen in einer Zigarettenstrangmaschine |
EP1442666B1 (de) * | 2003-01-28 | 2006-10-11 | Hauni Maschinenbau AG | Verfahren insbesondere zum Beschicken einer Zigarettenstrangmaschine sowie Verteilervorrichtung insbesondere zum Durchführen des Verfahrens |
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 |
RU2388389C1 (ru) * | 2006-02-14 | 2010-05-10 | Джапан Тобакко Инк. | Питатель для подачи измельченного табачного материала сигаретоделательной машины |
CN114101054A (zh) * | 2020-08-31 | 2022-03-01 | 中国烟草总公司郑州烟草研究院 | 用于分离烟丝的风选装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4108797A1 (de) * | 1991-03-18 | 1992-09-24 | Hauni Werke Koerber & Co Kg | Verfahren und vorrichtung zur gleichzeitigen herstellung von zwei endlos-tabakstraengen |
EP0727157A1 (de) * | 1995-02-16 | 1996-08-21 | Japan Tobacco Inc. | Zuführungsvorrichtung für geschnittenen Tabak für eine Zigarettenherstellungsmaschine |
EP1020125A2 (de) * | 1999-01-14 | 2000-07-19 | Hauni Maschinenbau AG | Vorrichtung zum Erzeugen eines ausgebreiteten Faserstromes aus Tabakfasern |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3648035A (en) | 1969-06-02 | 1972-03-07 | Industrial Nucleonics Corp | System and method for optimizing processor or equipment profit |
LU74814A1 (de) | 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. |
DE4336453A1 (de) | 1993-10-26 | 1995-04-27 | Hauni Werke Koerber & Co Kg | Verfahren und Vorrichtung zum Vereinzeln von Tabakfasern |
-
2000
- 2000-07-20 DE DE10035692A patent/DE10035692A1/de not_active Withdrawn
-
2001
- 2001-07-07 EP EP01116505A patent/EP1174046B1/de not_active Expired - Lifetime
- 2001-07-07 DE DE50109131T patent/DE50109131D1/de not_active Expired - Lifetime
- 2001-07-07 AT AT01116505T patent/ATE319334T1/de not_active IP Right Cessation
- 2001-07-17 JP JP2001216706A patent/JP2002065234A/ja not_active Withdrawn
- 2001-07-19 PL PL348791A patent/PL191133B1/pl unknown
- 2001-07-20 CN CNB011232420A patent/CN1247125C/zh not_active Expired - Fee Related
- 2001-07-20 US US09/908,734 patent/US6634365B2/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4108797A1 (de) * | 1991-03-18 | 1992-09-24 | Hauni Werke Koerber & Co Kg | Verfahren und vorrichtung zur gleichzeitigen herstellung von zwei endlos-tabakstraengen |
EP0727157A1 (de) * | 1995-02-16 | 1996-08-21 | Japan Tobacco Inc. | Zuführungsvorrichtung für geschnittenen Tabak für eine Zigarettenherstellungsmaschine |
EP1020125A2 (de) * | 1999-01-14 | 2000-07-19 | Hauni Maschinenbau AG | Vorrichtung zum Erzeugen eines ausgebreiteten Faserstromes aus Tabakfasern |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1563745A1 (de) * | 2004-02-17 | 2005-08-17 | 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 |
EP1602291A1 (de) | 2004-06-02 | 2005-12-07 | Hauni Maschinenbau AG | Verfahren und Einrichtung zur Herstellung eines Tabakstrangs |
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 |
DE102006009148B4 (de) * | 2006-02-24 | 2010-04-08 | Hauni Maschinenbau Ag | Strömungskörper einer Zigarettenstrangmaschine |
DE102006009148B9 (de) * | 2006-02-24 | 2010-12-02 | Hauni Maschinenbau Ag | Strömungskörper einer Zigarettenstrangmaschine |
EP1872671A1 (de) * | 2006-06-30 | 2008-01-02 | Hauni Maschinenbau AG | Strömungskörper in einer Strangmaschine der Tabak verarbeitenden Industrie |
ITBO20090543A1 (it) * | 2009-08-10 | 2011-02-11 | Gd Spa | Macchina confezionatrice per la realizzazione contemporanea di due bachi continui di sigarette. |
CN103720034A (zh) * | 2012-10-11 | 2014-04-16 | 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 |
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 |
EP3375302A1 (de) | 2017-03-17 | 2018-09-19 | Hauni Maschinenbau GmbH | Anordnung und verfahren zum aufbau von wenigstens zwei fasersträngen in einer strangmaschine der tabak verarbeitenden industrie |
Also Published As
Publication number | Publication date |
---|---|
EP1174046B1 (de) | 2006-03-08 |
US6634365B2 (en) | 2003-10-21 |
PL348791A1 (en) | 2002-01-28 |
CN1247125C (zh) | 2006-03-29 |
JP2002065234A (ja) | 2002-03-05 |
CN1334049A (zh) | 2002-02-06 |
PL191133B1 (pl) | 2006-03-31 |
EP1174046A3 (de) | 2003-12-03 |
DE10035692A1 (de) | 2002-01-31 |
DE50109131D1 (de) | 2006-05-04 |
US20020017307A1 (en) | 2002-02-14 |
ATE319334T1 (de) | 2006-03-15 |
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