EP2952106A1 - Machine assembly for the tobacco-processing industry, and method for feeding a material in fibre form - Google Patents

Machine assembly for the tobacco-processing industry, and method for feeding a material in fibre form Download PDF

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Publication number
EP2952106A1
EP2952106A1 EP15170643.9A EP15170643A EP2952106A1 EP 2952106 A1 EP2952106 A1 EP 2952106A1 EP 15170643 A EP15170643 A EP 15170643A EP 2952106 A1 EP2952106 A1 EP 2952106A1
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EP
European Patent Office
Prior art keywords
machine
tobacco
arrangement according
conveying
fiber material
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Granted
Application number
EP15170643.9A
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German (de)
French (fr)
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EP2952106B1 (en
Inventor
Roman Piechaczek
Helmut Voss
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Koerber Technologies GmbH
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Hauni Maschinenbau GmbH
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Application filed by Hauni Maschinenbau GmbH filed Critical Hauni Maschinenbau GmbH
Priority to PL15170643T priority Critical patent/PL2952106T3/en
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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
    • 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
    • A24C5/398—Driving arrangements
    • 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
    • A24C5/399—Component parts or details, e.g. feed roller, feed belt

Definitions

  • the invention relates to a machine assembly of the tobacco processing industry comprising at least one machine and apparatus for feeding fiber material to the machine, the apparatus comprising a closed pipe housing having a conveyor tube connected on one side to a feed station and on the other side to a material inlet of the machine. and a conveyor for conveying the fibrous material through the conveyor tube from the feed station to the material inlet.
  • the invention further relates to a method for feeding fiber material from a loading station to a material inlet of a machine of the tobacco processing industry.
  • a pneumatic tobacco feeder is known to the Applicant DE 40 27 409 A1 described.
  • the charging device has a lock chamber, in which the tobacco is separated by means of screen surfaces of the conveying air flow.
  • Another pneumatic device for supplying tobacco to a cigarette manufacturing machine is known from US 5,439,062 DE 693 07 898 T2 known.
  • the device has a tangential separator for separating the tobacco from the conveying air flow.
  • the pneumatic conveying of tobacco by means of a conveying air flow through a delivery pipe requires a large fan, which is noisy, takes up a large amount of space and is particularly energy-consuming and costly when using air-conditioned conveying air, and a dust filter or a cleaning system, which is associated with a loss of power.
  • the delivery rate is also dependent on the geographical height in pneumatic conveying.
  • due to the very high conveying speeds an undesirable effect on the tobacco fibers take place, which can lead to a loss of filling power, de-flavoring and generally to quality losses.
  • the different flying speeds of the fibers can lead to an undesirable separation.
  • a non-pneumatic apparatus for feeding cut tobacco into a distribution unit of a cigarette manufacturing machine is known.
  • cut tobacco is fed via an exchangeable container to an introduction funnel in the distributor unit.
  • the container When the container is empty, it can be removed and a new full container placed on the funnel.
  • This type of loading continuously requires during operation a transport of full containers from the tobacco preparation to the cigarette making machine and removal of the empty containers back to the tobacco preparation.
  • the object of the invention is to provide a machine assembly of the tobacco processing industry and a method with reduced effort to allow a reliable, efficient and gentle product promotion of fiber material from the feeding station to the machine.
  • the conveying means is formed by a continuous pulling means running through the pipeline with spaced-apart driving disks, wherein a conveying chamber is formed in each case between two adjacent driving disks.
  • This mechanical promotion can be done with comparatively very low delivery speeds and thus gentler, more homogeneous, with taste and moisture and without loss of filling power.
  • the usually provided for pneumatic promotion lock on material inlet of the machine can be omitted according to the invention.
  • the segregation is low because the promotion in the transport chambers is portioned in the composite. After a standstill immediate delivery without dead time with constant capacity is possible.
  • Other benefits include quiet operation, compact design, lower energy consumption, significantly reduced dust accumulation and thus lower air and environmental pollution.
  • there are extensive mixing possibilities for tobacco mixtures whereby individual components can be conveyed in different delivery chambers.
  • the delivery tube for forming the discharge opening is advantageously opened downwards.
  • the delivery pipe or the discharge opening are preferably arranged above the material inlet. The falling out of the conveyor tube through the discharge opening fiber material can therefore fall due to gravity without further aids in the material inlet of the machine.
  • the pulling speed of the traction means in response to a processing speed of the machine is controlled and / or regulated to provide the appropriate amount of fiber material and to transport the fiber material as gently as possible with minimal speed.
  • the dimensions of the delivery opening of the delivery tube preferably correspond to the dimensions of a charge surface for the fiber material in the machine. Furthermore, the discharge opening is preferably arranged parallel to a strand direction in the machine. The discharge opening is preferably openable and closable by means of a controlled flap.
  • a certain proportion of shot cigarettes usually accrue to cigarette manufacturing machines. These are usually conveyed in a wagon. If the wagon is full, it must be picked up with industrial trucks and transported back into the tobacco preparation for reprocessing.
  • a feed opening for feeding shot cigarettes from the machine into the return pipe and at the machine-remote end a discharge opening for discharging the shot cigarettes from the return pipe is provided.
  • the already existing return pipe for returning the empty strand is therefore used to transport the resulting shot cigarettes back into the tobacco preparation.
  • a non-contact readable identification element is provided in the driver disks.
  • This embodiment allows the separate treatment of two or more types of tobacco or mixture components in the conveyor tube, for example, when changing the brand on the cigarette manufacturing machine.
  • a Reading / writing station for contactless reading and / or writing of the identification elements, in particular by radio, provided with information about the content of the tobacco type / component contained in the following conveying chamber.
  • the delivery tube can be supplied to the conveyed fiber material advantageous by metering solid or liquid additives, additives and mixing components.
  • the addition can take place continuously or selectively discontinuously between the driver disks (for example once per transport chamber).
  • the addition is metered depending on the pulling speed of the conveyor chain.
  • Tobacco fibers at room temperature are brittle and quickly lose their original fiber length under mechanical stress. The consequences are increased head loss and loss of hardness. More tobacco needs to be used for compensation, which leads to increased costs.
  • a device is preferably provided for heating the fiber material prior to discharge into the machine.
  • the highest mechanical stress of the tobacco or tobacco fibers takes place in the processing machine, for example a cigarette machine or distributor unit, strand unit, filter piecing. It is therefore advantageous immediately before to heat the tobacco mixture to a temperature of at least 40 ° C, for example 50 ° C. This makes the tobacco fibers smoother and better resistant to impending short-term stress.
  • the material inlet of the machine preceding part of the delivery pipe is double-walled.
  • This heating can be done advantageously by means of a double-walled conveyor tube for the tube chain conveyor.
  • a heating medium in particular hot air or hot water, in the double wall of the tobacco is heated on the way from the feeder to (cigarette) machine and thus advantageously achieved the desired effect for tobacco savings by supple fibers.
  • the fiber material is in particular tobacco, preferably cut tobacco. However, it may also be, for example, a semi-finished product, i. a tobacco-like, synthetically-made fibrous material, or a blend of tobacco with a tobacco-like fibrous material.
  • the invention may be construed as using a tube chain conveyor for feeding tobacco or a fibrous material from a feed station to a material inlet of a machine of the tobacco processing industry.
  • the time of shutdown of the tobacco supply in the feeding station is advantageously sized so that the chain tube still enough fiber material volume is included until completion of the current production, but ideally not much more to avoid additional empty after completion of the current production order or minimize.
  • an electronic control device for performing the method steps described above, in particular for switching off the fiber material feed at the feed station a predefined time before completion of production on the machine so that the tube chain conveyor is emptied during the production operation of the machine, set up or programmed.
  • the machine assembly 10 according to Fig. 1 comprises a cigarette manufacturing machine 11 having a distributor unit 12, a string unit 13 and a filter attachment machine 14.
  • the machine assembly 10 further comprises a device 15 for feeding fiber material to the distribution unit 12 of the cigarette manufacturing machine 11.
  • the device 15 comprises a closed tube housing 34 with a delivery tube 17 and a return tube 19, a feed station 16 arranged in particular in the delivery tube 17, an endless draw means 21 running in the tube housing 34, a deflection station 18 serving, for example, as a drive station for the device 15, and a further deflection station 20, which serves, for example, as a tensioning station for the traction means 21.
  • the circulating through the tubular housing 34 and the deflection stations 18, 20 traction means 21 may be in particular a chain, but for example, a cable or a rope.
  • the current through the conveying tube 17 part of the traction means 21 forms the conveying strand, which runs through the return pipe part of the traction means 21, the slack side.
  • deflecting wheels 22, 24 are provided for deflecting the traction means 21.
  • the deflection wheel 22 is by means of a motor 25, in particular an electric motor, driven to pull the traction means 21.
  • the deflection wheel 24 and thus traction means 21 can be tensioned by means of a clamping device 31 shown only schematically.
  • the deflection station 18 may be designed as a tensioning station and the deflection station 20 as a drive station.
  • Mitschitzitzitzsch 21 are preferably arranged at the Endloszugsch 21 at regular intervals from each other, which completely fill the pipe cross-section of the tubular housing 34 in order to achieve the most complete possible entrainment of the fiber material.
  • the drive plates 26 are advantageously rigidly attached to the traction means 21 to prevent tilting of the drive plates 26 during operation. With a conveyor chain 21, a rigid connection can be realized. Between each two adjacent drive plates 26 each transport chambers 27 are formed in which transported by the feed station 16 into the conveyor tube 17 introduced fiber material in portions or promoted.
  • the feeding station 16 comprises, for example, a hopper 28 placed on the conveying pipe 17, the outlet of which is connected to an inlet opening 29 provided at the top in a pipe wall of the conveying pipe 17, as in FIG Fig. 1 shown.
  • the filled into the hopper 28 tobacco can thus fall due to gravity without further aids through the inlet opening 29 in the conveying pipe 17, where it is conveyed by the driver 27 in the direction of arrow to the distributor unit 12 out.
  • the delivery of the fiber material from the conveying tube 17 into the distributor unit 12 takes place in the exemplary embodiment of FIG Fig. 1 and Fig. 2 via a discharge port 35 provided at the bottom of the pipe wall of the delivery pipe 17; the delivery pipe 17 is thus opened down.
  • the discharge opening 35 is connected to a chute 36 whose lower end is connected to the material inlet 32 of the distributor unit 12.
  • the discharge opening 35 is thus arranged above the material inlet 32. The falling out through the discharge opening 35 from the conveyor pipe 17 tobacco can therefore fall due to gravity without further aids through the chute 36 and the material inlet 32 into the distributor unit 12.
  • An electronic control device 33 which in Fig. 1 is shown only schematically and may for example be formed by a machine controller of the cigarette making machine 11, the motor 25 advantageously controls so that the amount of tobacco conveyed through the conveying line 17 is adapted to the processing speed of the cigarette manufacturing machine 11.
  • the conveying speed is thus controlled and / or regulated depending on the needs of the cigarette manufacturing machine 11.
  • a control or regulation based on a signal from a not shown, for example in the chute 36 or the hopper 30 (see Fig. 6 ) arranged level sensor take place.
  • the fiber material entering the distributor unit 12 via the filling opening 32 first passes into a reservoir and is fed from there, for example via an addition roller or a steep conveyor belt, to a sifter, whereby the sighted tobacco fibers enter the strand unit 13 via a stowage shaft.
  • the fiber material, bypassing or avoiding a classifier is fed directly from the filling opening 32 into the strand unit 13.
  • This can especially advantageous for tobacco-like, synthetically produced, particularly sensitive fiber material, which may be impaired when passing through the classifier.
  • the discharge opening 35 is advantageously arranged parallel to the strand direction in the strand unit 13.
  • the dimensions of the discharge opening 35 preferably correspond to the dimensions of a charging surface for the fiber material in the strand unit 13.
  • Both embodiments described above can be combined, i. Supplying tobacco fibers via a first filling opening 35 leading to the classifier, and feeding tobacco-like, synthetically produced fiber material to a second filling opening 35, which leads directly to the strand unit 13, bypassing the classifier.
  • the discharge opening 35 can advantageously be opened and closed by means of a flap 37 controlled in particular by the electronic control device 33.
  • the discharge of the fiber material from the conveying tube 17 into the distributor unit 12 takes place through the opening flap 37 on the underside of the conveyor tube 17 as soon as a full material charge has passed the length of the flap 37.
  • Fig. 3 is particularly advantageous when the conveyor 15 is used for economic reasons for the serial loading of a plurality of cigarette manufacturing machines 11 in the machine assembly 10, which process, for example, the same tobacco mixture.
  • FIG. 4 schematically with reference to a machine installation 10 with two series-connected to the same conveyor device 15 cigarette manufacturing machines 11A, 11B shown.
  • the delivery tube 17 there is provided a corresponding plurality of delivery ports 35A, 35B, each delivery port 35A, 35B being openable and closable by means of a controlled flap 37A, 37B.
  • the control device 33 controls the flaps 37A, 37B and / or the pulling speed of the endless drawing means 21 individually, depending on the fiber material requirements of the individual machines 11A, 11B.
  • the feed control 33 determines the current tobacco demand of each individual cigarette making machine 11A, 11B based on its current production rate, the tobacco use weight of the current cigarette brand and the level of its internal tobacco reservoir. Based on this data, the feed control 33 controls the opening / closing of the flaps 37A, 37B or the corresponding chutes and the conveying speed of the pulling means 21. If tobacco should still be present in the conveying tube 17 at the end of the conveying tube 17, ie after the last cigarette manufacturing machine 11B , the remaining tobacco is advantageously discharged before the following guide wheel 22 and fed back into the feed station 16.
  • a discharge station 38 which here comprises the deflection station 18, but may also be designed independently of the deflection station 18.
  • the dispensing station 38 comprises a funnel 30, which is arranged, for example, below a box, here the deflection station 18, and whose outlet 39 is connected to the material inlet 32 of the machine 10.
  • the delivery pipe 17 opens into the box or the deflecting station 18, so that in this case the mouth of the delivery pipe 17 forms the discharge opening 35 in the discharge station 38.
  • the discharge opening 35 is advantageously above the hopper outlet 39 and thus located above the material inlet 32, as best in Fig. 6 is recognizable.
  • the tobacco emerging from the conveying pipe 17 can therefore fall into the hopper 30 without gravity and through the funnel outlet 39 and the material inlet 32 into the distributor unit 12 without further aids.
  • one or more directed to the traction means 21 air nozzles 41 may be provided for blowing off residual tobacco.
  • at least one air nozzle 41 directed towards the traction means 21 can advantageously be arranged behind the discharge opening 35 in the conveying direction for discharging residual tobacco Fig. 1 for example, in the deflection station 18th
  • At least one feed device 40 for feeding additives and / or mixture constituents into the interior of the conveyor pipe 17 may be arranged on the conveyor pipe 17 between the feed station 16 and the discharge opening 35.
  • the feed can advantageously be metered in dependence on the pulling speed of the conveyor chain.
  • the feed station 16 may comprise a T-shaped manifold, wherein the tobacco is supplied through a feed line connected to the third opening of the manifold.
  • the feeding station 16 does not necessarily have to be designed independently, for example, the feeding station 16 can be realized in the deflection station 20.
  • a non-contact readable identification element for example a transponder, is inserted or cast into each driver disk 26.
  • This design allows separate treatment of two or more types of tobacco or mixture components in the conveying tube 17, for example when changing the brand of the cigarette manufacturing machine 11.
  • Outside the conveying tube 17 is a read / write station for non-contact reading and / or writing the identification elements with information about the content of in the following delivery chamber 27 contained tobacco variety / component.
  • a feed opening for example a mounted on the return pipe 19 funnel or a T-branch, for feeding shot cigarettes from the machine 11 in the return pipe 19th , and at the machine-remote end (in front of the deflection station 20) a discharge opening, for example a chute, for discharging the shot cigarettes from the return pipe is provided.
  • the discharged shot cigarettes can be advantageously fed to a related recycling plant for the separation of tobacco and paper / filter.

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Abstract

Eine Maschinenanordnung (10) der Tabak verarbeitenden Industrie mit mindestens einer Maschine (11) und einer Vorrichtung (15) zum Zuführen von Fasermaterial zu der Maschine (11), wobei die Vorrichtung (15) ein geschlossenes Rohrgehäuse (34) mit einem Förderrohr (17), das einerseits mit einer Aufgabestation (16) und andererseits mit einem Materialeinlass (32) der Maschine (11) verbunden ist, und ein Fördermittel (21, 26) zum Fördern des Fasermaterials durch das Förderrohr (17) von der Aufgabestation (16) zu dem Materialeinlass (32) umfasst, zeichnet sich dadurch aus, dass das Fördermittel (21, 26) von einem durch das Rohrgehäuse (34) verlaufenden Endloszugmittel (21) und daran voneinander beanstandet angebrachte Mitnehmerscheiben (26) gebildet wird.A machine assembly (10) of the tobacco processing industry comprising at least one machine (11) and apparatus (15) for feeding fiber material to the machine (11), the apparatus (15) comprising a closed pipe housing (34) having a conveyor pipe (17 ) connected on one side to a feed station (16) and on the other hand to a material inlet (32) of the machine (11), and a conveyor (21, 26) for conveying the fiber material through the feed tube (17) from the feed station (16). to the material inlet (32), characterized in that the conveying means (21, 26) of a through the tubular housing (34) extending Endloszugmittel (21) and spaced therefrom spaced apart Mitnehmerscheiben (26) is formed.

Description

Die Erfindung betrifft eine Maschinenanordnung der Tabak verarbeitenden Industrie mit mindestens einer Maschine und einer Vorrichtung zum Zuführen von Fasermaterial zu der Maschine, wobei die Vorrichtung ein geschlossenes Rohrgehäuse mit einem Förderrohr umfasst, das einerseits mit einer Aufgabestation und andererseits mit einem Materialeinlass der Maschine verbunden ist, und ein Fördermittel zum Fördern des Fasermaterials durch das Förderrohr von der Aufgabestation zu dem Materialeinlass. Die Erfindung betrifft des Weiteren ein Verfahren zum Zuführen von Fasermaterial von einer Aufgabestation zu einem Materialeinlass einer Maschine der Tabak verarbeitenden Industrie.The invention relates to a machine assembly of the tobacco processing industry comprising at least one machine and apparatus for feeding fiber material to the machine, the apparatus comprising a closed pipe housing having a conveyor tube connected on one side to a feed station and on the other side to a material inlet of the machine. and a conveyor for conveying the fibrous material through the conveyor tube from the feed station to the material inlet. The invention further relates to a method for feeding fiber material from a loading station to a material inlet of a machine of the tobacco processing industry.

Die Förderung von Tabak von einer Aufgabestation in der Tabakvorbereitung zu dem Verteiler einer Zigarettenherstellungsmaschine erfolgt seit langer Zeit pneumatisch, siehe beispielsweise DE-PS 575 305 .The promotion of tobacco from a feeding station in the tobacco preparation to the distributor of a cigarette making machine has long been pneumatic, see for example DE-PS 575 305 ,

Eine pneumatische Beschickungsvorrichtung für Tabak der Anmelderin ist in der DE 40 27 409 A1 beschrieben. Die Beschickungsvorrichtung weist eine Schleusenkammer auf, in der der Tabak mittels Siebflächen von dem Förderluftstrom getrennt wird.A pneumatic tobacco feeder is known to the Applicant DE 40 27 409 A1 described. The charging device has a lock chamber, in which the tobacco is separated by means of screen surfaces of the conveying air flow.

Eine weitere pneumatische Vorrichtung zum Zuführen von Tabak zu einer Zigarettenherstellungsmaschine ist aus der DE 693 07 898 T2 bekannt. Die Vorrichtung weist einen tangentialen Abscheider zum Trennen des Tabaks von dem Förderluftstrom auf.Another pneumatic device for supplying tobacco to a cigarette manufacturing machine is known from US 5,439,062 DE 693 07 898 T2 known. The device has a tangential separator for separating the tobacco from the conveying air flow.

Die pneumatische Förderung von Tabak mittels eines Förderluftstroms durch ein Förderrohr erfordert ein großes Gebläse, was laut ist, einen großen Bauraum beansprucht und insbesondere bei Verwendung klimatisierter Förderluft energie- und kostenintensiv ist, sowie einen Staubfilter bzw. ein Reinigungssystem, womit ein Leistungsverlust verbunden ist. Die Förderleistung ist bei der pneumatischen Förderung auch abhängig von der geographischen Höhe. Zudem kann aufgrund der sehr hohen Fördergeschwindigkeiten eine unerwünschte Einwirkung auf die Tabakfasern stattfinden, welche zu einem Verlust an Füllkraft, De-Flavouring und allgemein zu Qualitätseinbußen führen kann. Des Weiteren können die unterschiedlichen Fluggeschwindigkeiten der Fasern zu einer unerwünschten Entmischung führen. Schließlich entstehen nach einem Stillstand Totzeiten, bis die Förderluft den angeforderten Tabak liefert.The pneumatic conveying of tobacco by means of a conveying air flow through a delivery pipe requires a large fan, which is noisy, takes up a large amount of space and is particularly energy-consuming and costly when using air-conditioned conveying air, and a dust filter or a cleaning system, which is associated with a loss of power. The delivery rate is also dependent on the geographical height in pneumatic conveying. In addition, due to the very high conveying speeds an undesirable effect on the tobacco fibers take place, which can lead to a loss of filling power, de-flavoring and generally to quality losses. Furthermore, the different flying speeds of the fibers can lead to an undesirable separation. Finally, after a standstill dead times arise until the conveying air supplies the requested tobacco.

Aus der DE 10 2004 008 116 A1 ist eine nicht-pneumatische Vorrichtung zum Zuführen von Schnitttabak in eine Verteilereinheit einer Zigarettenherstellungsmaschine bekannt. Dabei wird Schnitttabak über einen austauschbaren Behälter einem Einführtrichter in der Verteilereinheit zugeführt. Wenn der Behälter leer ist, kann er entnommen und ein neuer voller Behälter auf den Trichter aufgesetzt werden. Diese Art der Beschickung erfordert während des Betriebes fortlaufend einen Transport von vollen Behältern von der Tabakvorbereitung zu der Zigarettenherstellungsmaschine und Abtransport der leeren Behälter zurück zu der Tabakvorbereitung.From the DE 10 2004 008 116 A1 For example, a non-pneumatic apparatus for feeding cut tobacco into a distribution unit of a cigarette manufacturing machine is known. In this process, cut tobacco is fed via an exchangeable container to an introduction funnel in the distributor unit. When the container is empty, it can be removed and a new full container placed on the funnel. This type of loading continuously requires during operation a transport of full containers from the tobacco preparation to the cigarette making machine and removal of the empty containers back to the tobacco preparation.

Die Aufgabe der Erfindung besteht darin, eine Maschinenanordnung der Tabak verarbeitenden Industrie und ein Verfahren bereitzustellen, die mit verringertem Aufwand eine zuverlässige, effiziente und produktschonende Förderung von Fasermaterial von der Aufgabestation zu der Maschine ermöglichen.The object of the invention is to provide a machine assembly of the tobacco processing industry and a method with reduced effort to allow a reliable, efficient and gentle product promotion of fiber material from the feeding station to the machine.

Die Erfindung löst diese Aufgabe mit den Merkmalen der unabhängigen Ansprüche. Erfindungsgemäß wird das Fördermittel von einem durch die Rohrleitung verlaufenden Endloszugmittel mit voneinander beanstandet angebrachten Mitnehmerscheiben gebildet, wobei jeweils zwischen zwei benachbarten Mitnehmerscheiben eine Förderkammer gebildet ist. Diese mechanische Förderung kann mit vergleichsweise sehr kleinen Fördergeschwindigkeiten und somit schonender, homogener, mit Geschmacks- und Feuchtigkeitserhalt sowie ohne Verlust an Füllkraft erfolgen. Die bei pneumatischer Förderung üblicherweise vorgesehene Schleuse am Materialeinlass der Maschine kann erfindungsgemäß entfallen. Die Entmischung ist gering, da die Förderung in den Transportkammern portioniert im Verbund erfolgt. Nach einem Stillstand ist sofortige Förderung ohne Totzeit mit gleichbleibender Förderleistung möglich. Weitere Vorteile sind leiser Betrieb, kompakte Bauweise, geringerer Energieverbrauch, erheblich verringerter Staubanfall und somit geringere Luft- und Umweltbelastung. Zudem bestehen umfassende Mischungsmöglichkeiten für Tabakmischungen, wobei einzelne Komponenten jeweils in verschiedenen Förderkammern gefördert werden können.The invention solves this problem with the features of the independent claims. According to the invention, the conveying means is formed by a continuous pulling means running through the pipeline with spaced-apart driving disks, wherein a conveying chamber is formed in each case between two adjacent driving disks. This mechanical promotion can be done with comparatively very low delivery speeds and thus gentler, more homogeneous, with taste and moisture and without loss of filling power. The usually provided for pneumatic promotion lock on material inlet of the machine can be omitted according to the invention. The segregation is low because the promotion in the transport chambers is portioned in the composite. After a standstill immediate delivery without dead time with constant capacity is possible. Other benefits include quiet operation, compact design, lower energy consumption, significantly reduced dust accumulation and thus lower air and environmental pollution. In addition, there are extensive mixing possibilities for tobacco mixtures, whereby individual components can be conveyed in different delivery chambers.

In einer Ausführungsform ist das Förderrohr zur Bildung der Abgabeöffnung vorteilhaft nach unten geöffnet. Das Förderrohr bzw. die Abgabeöffnung sind vorzugsweise oberhalb des Materialeinlasses angeordnet. Das aus dem Förderrohr durch die Abgabeöffnung herausfallende Fasermaterial kann daher schwerkraftbedingt ohne weitere Hilfsmittel in den Materialeinlass der Maschine fallen.In one embodiment, the delivery tube for forming the discharge opening is advantageously opened downwards. The delivery pipe or the discharge opening are preferably arranged above the material inlet. The falling out of the conveyor tube through the discharge opening fiber material can therefore fall due to gravity without further aids in the material inlet of the machine.

Vorzugsweise ist die Zuggeschwindigkeit des Zugmittels in Abhängigkeit von einer Verarbeitungsgeschwindigkeit der Maschine steuer- und/oder regelbar, um die passende Fasermaterialmenge bereitzustellen und das Fasermaterial möglichst schonend mit minimaler Geschwindigkeit zu transportieren.Preferably, the pulling speed of the traction means in response to a processing speed of the machine is controlled and / or regulated to provide the appropriate amount of fiber material and to transport the fiber material as gently as possible with minimal speed.

Vorzugsweise entsprechen die Abmessungen der Abgabeöffnung des Förderrohrs den Abmessungen einer Aufschüttfläche für das Fasermaterial in der Maschine. Des Weiteren ist die Abgabeöffnung vorzugsweise parallel zu einer Strangrichtung in der Maschine angeordnet. Die Abgabeöffnung ist vorzugsweise mittels einer gesteuerten Klappe öffen- und verschließbar.The dimensions of the delivery opening of the delivery tube preferably correspond to the dimensions of a charge surface for the fiber material in the machine. Furthermore, the discharge opening is preferably arranged parallel to a strand direction in the machine. The discharge opening is preferably openable and closable by means of a controlled flap.

An Zigarettenherstellungsmaschinen fällt üblicherweise ein gewisser Anteil Schusszigaretten an. Diese werden üblicherweise in einen Schusswagen gefördert. Ist der Schusswagen voll, muss er mit Flurförderfahrzeugen abgeholt und in die Tabakvorbereitung zur Wiederaufarbeitung zurücktransportiert werden. Nach einem bevorzugten Merkmal der Erfindung ist in einem Rückführrohr am maschinenseitigen Ende eine Zuführöffnung zum Zuführen von Schusszigaretten aus der Maschine in das Rückführrohr und am maschinenfernen Ende eine Abführöffnung zum Abführen der Schusszigaretten aus dem Rückführrohr vorgesehen. Das ohnehin vorhandene Rückführrohr zum Rückführen des Leertrums wird daher genutzt, um die anfallenden Schusszigaretten in die Tabakvorbereitung zurück zu transportieren.A certain proportion of shot cigarettes usually accrue to cigarette manufacturing machines. These are usually conveyed in a wagon. If the wagon is full, it must be picked up with industrial trucks and transported back into the tobacco preparation for reprocessing. According to a preferred feature of the invention, in a return pipe at the machine-side end, a feed opening for feeding shot cigarettes from the machine into the return pipe and at the machine-remote end a discharge opening for discharging the shot cigarettes from the return pipe is provided. The already existing return pipe for returning the empty strand is therefore used to transport the resulting shot cigarettes back into the tobacco preparation.

In einer Ausführungsform ist in den Mitnehmerscheiben ein berührungsfrei auslesbares Identifikationselement vorgesehen. Diese Ausführung gestattet die getrennte Behandlung von zwei oder mehr Tabaksorten oder Mischungskomponenten in dem Förderrohr, beispielsweise bei einem Markenwechsel an der Zigarettenherstellungsmaschine. Außerhalb des Förderrohres ist eine Lese-/Schreibstation zum berührungslosen Auslesen und/oder Beschreiben der Identifikationselemente, insbesondere per Funk, mit Information über den Inhalt der in der folgenden Förderkammer enthaltenen Tabaksorte/-komponente vorgesehen.In one embodiment, a non-contact readable identification element is provided in the driver disks. This embodiment allows the separate treatment of two or more types of tobacco or mixture components in the conveyor tube, for example, when changing the brand on the cigarette manufacturing machine. Outside the delivery pipe is a Reading / writing station for contactless reading and / or writing of the identification elements, in particular by radio, provided with information about the content of the tobacco type / component contained in the following conveying chamber.

An beliebiger Stelle des Förderrohres können vorteilhaft durch Dosiereinrichtungen feste oder flüssige Beigaben, Zusatzstoffe sowie Mischungsbestandteile dem geförderten Fasermaterial zugeführt werden. Die Zugabe kann dabei kontinuierlich oder gezielt diskontinuierlich zwischen den Mitnehmerscheiben (beispielsweise einmal pro Transportkammer) erfolgen. Vorzugsweise erfolgt die Zugabe dosiert in Abhängigkeit von der Zuggeschwindigkeit der Förderkette.At any point of the delivery tube can be supplied to the conveyed fiber material advantageous by metering solid or liquid additives, additives and mixing components. The addition can take place continuously or selectively discontinuously between the driver disks (for example once per transport chamber). Preferably, the addition is metered depending on the pulling speed of the conveyor chain.

Tabakfasern bei Raumtemperatur sind brüchig und verlieren bei mechanischer Belastung schnell ihre ursprüngliche Faserlänge. Die Folgen sind erhöhter Kopfausfall und Härteverlust. Mehr Tabak muss zur Kompensation eingesetzt werden, was zu erhöhten Kosten führt. Zur Lösung dieses Problems ist vorzugsweise eine Vorrichtung zum Erwärmen des Fasermaterials vor der Abgabe in die Maschine vorgesehen. Die höchste mechanische Beanspruchung des Tabaks bzw. der Tabakfasern findet in der verarbeitenden Maschine, beispielsweise einer Zigarettenmaschine bzw. Verteilereinheit, Strangeinheit, Filteransetzer statt. Es ist daher vorteilhaft, unmittelbar vorher die Tabakmischung auf eine Temperatur von mindestens 40 °C, beispielsweise 50 °C zu erwärmen. Dadurch werden die Tabakfasern geschmeidiger und widerstehen besser der bevorstehenden, kurzzeitigen Beanspruchung. Vorteilhaft ist daher ein dem Materialeinlass der Maschine vorausgehender Teil des Förderrohrs doppelwandig ausgeführt.Tobacco fibers at room temperature are brittle and quickly lose their original fiber length under mechanical stress. The consequences are increased head loss and loss of hardness. More tobacco needs to be used for compensation, which leads to increased costs. To solve this problem, a device is preferably provided for heating the fiber material prior to discharge into the machine. The highest mechanical stress of the tobacco or tobacco fibers takes place in the processing machine, for example a cigarette machine or distributor unit, strand unit, filter piecing. It is therefore advantageous immediately before to heat the tobacco mixture to a temperature of at least 40 ° C, for example 50 ° C. This makes the tobacco fibers smoother and better resistant to impending short-term stress. Advantageously, therefore, the material inlet of the machine preceding part of the delivery pipe is double-walled.

Diese Erwärmung kann vorteilhaft mittels eines doppelwandigen Förderrohrs für den Rohrkettenförderer erfolgen. Durch ein Heizmedium, insbesondere heiße Luft oder warmes Wasser, in der Doppelwand wird der Tabak auf dem Weg vom Beschicker zur (Zigaretten-)Maschine erwärmt und so der gewünschte Effekt zur Tabakeinsparung durch geschmeidige Fasern vorteilhaft erzielt.This heating can be done advantageously by means of a double-walled conveyor tube for the tube chain conveyor. By a heating medium, in particular hot air or hot water, in the double wall of the tobacco is heated on the way from the feeder to (cigarette) machine and thus advantageously achieved the desired effect for tobacco savings by supple fibers.

Bei dem Fasermaterial handelt es sich insbesondere um Tabak, vorzugsweise Schnitttabak. Es kann sich aber beispielsweise auch um ein Halbfabrikat, d.h. ein tabakähnliches, synthetisch hergestelltes Fasermaterial, oder eine Mischung aus Tabak mit einem tabakähnlichen Fasermaterial, handeln.The fiber material is in particular tobacco, preferably cut tobacco. However, it may also be, for example, a semi-finished product, i. a tobacco-like, synthetically-made fibrous material, or a blend of tobacco with a tobacco-like fibrous material.

Die Erfindung kann als Verwendung eines Rohrkettenförderers zum Zuführen von Tabak oder eines Fasermaterials von einer Aufgabestation zu einem Materialeinlass einer Maschine der Tabak verarbeitenden Industrie aufgefasst werden.The invention may be construed as using a tube chain conveyor for feeding tobacco or a fibrous material from a feed station to a material inlet of a machine of the tobacco processing industry.

In einem Verfahren zum Zuführen von Fasermaterial von einer Aufgabestation zu einem Materialeinlass einer Maschine der Tabak verarbeitenden Industrie unter Verwendung eines Rohrkettenförderers stellt sich dabei das Problem, dass in einem Rohrkettenförderer große Mengen an Tabak im Kettenrohr verbleiben, die im Falle eines Marken- oder Produktwechsels umständlich aus dem Rohr herausgefahren werden müssen.In a method for feeding fiber material from a feed station to a material inlet of a machine of the tobacco processing industry using a tube chain conveyor, there is the problem that remain in a tube chain conveyor large amounts of tobacco in the chain tube, which cumbersome in the case of a brand or product change must be pulled out of the pipe.

Zur Lösung dieses Problems ist es vorteilhaft, wenn eine vordefinierte Zeit vor Abschluss einer Produktion auf der Maschine, beispielsweise bei einem Marken- oder Produktwechsel, die Fasermaterialzuführung an der Aufgabestation unterbrochen und der Rohrkettenförderer noch während des Produktionsbetriebs der Maschine leergefahren wird.To solve this problem, it is advantageous if a predefined time before completion of production on the machine, for example in a brand or product change, interrupted the fiber material feed at the feed station and the tube chain conveyor is drained during the production operation of the machine.

Der Zeitpunkt der Abschaltung der Tabakzufuhr in der Aufgabestation ist dabei vorteilhaft so bemessen, dass im Kettenrohr noch genug Fasermaterialvolumen bis zur Erledigung der aktuellen Produktion enthalten ist, jedoch idealerweise auch nicht wesentlich mehr, um ein zusätzliches Leerfahren nach Erledigung des aktuellen Produktionsauftrags zu vermeiden oder zu minimieren. Um den Zeitpunkt der Abschaltung der Tabakzufuhr in der Aufgabestation optimal wählen zu können, wird dieser vorzugsweise basierend auf dem Tabakstockgewicht der aktuellen Zigarettenmarke und/oder dem geometrischen Kettenrohrvolumen r2π·L (r = Innendurchmesser und L = Länge des Kettenrohrs) minus Ketten- und Scheibenvolumen berechnet.The time of shutdown of the tobacco supply in the feeding station is advantageously sized so that the chain tube still enough fiber material volume is included until completion of the current production, but ideally not much more to avoid additional empty after completion of the current production order or minimize. In order to be able to optimally choose the time of switching off the tobacco feed in the feed station, this is preferably based on the tobacco rod weight of the current cigarette brand and / or the geometric chain tube volume r 2 π · L (r = inner diameter and L = length of the chain tube) minus chain tube volume. and disc volume calculated.

Vorteilhaft ist eine elektronische Steuerungseinrichtung zur Durchführung der zuvor beschriebenen Verfahrensschritte, insbesondere zum Abschalten der Fasermaterialzuführung an der Aufgabestation eine vordefinierte Zeit vor Abschluss einer Produktion auf der Maschine, so dass der Rohrkettenförderer noch während des Produktionsbetriebs der Maschine leergefahren wird, eingerichtet bzw. programmiert.Advantageously, an electronic control device for performing the method steps described above, in particular for switching off the fiber material feed at the feed station a predefined time before completion of production on the machine so that the tube chain conveyor is emptied during the production operation of the machine, set up or programmed.

Die Erfindung wird im Folgenden anhand bevorzugter Ausführungsformen unter Bezugnahme auf die beigefügten Figuren erläutert. Dabei zeigt:

Fig. 1
eine schematische Draufsicht auf eine Maschinenanordnung der Tabak verarbeitenden Industrie;
Fig. 2
eine schematische Seitenansicht auf die Maschine aus Fig. 1;
Fig. 3
eine schematische Seitenansicht auf die Maschine in einer anderen AusfĂĽhrungsform;
Fig. 4
eine schematische Draufsicht auf eine Maschinenanordnung mit einer Mehrzahl von Maschinen;
Fig. 5
eine schematische Draufsicht auf eine Maschinenanordnung in einer weiteren AusfĂĽhrungsform; und
Fig. 6
eine schematische Seitenansicht auf die Maschine aus Fig. 5.
The invention will be explained below with reference to preferred embodiments with reference to the accompanying figures. Showing:
Fig. 1
a schematic plan view of a machine assembly of the tobacco processing industry;
Fig. 2
a schematic side view of the machine Fig. 1 ;
Fig. 3
a schematic side view of the machine in another embodiment;
Fig. 4
a schematic plan view of an engine arrangement with a plurality of machines;
Fig. 5
a schematic plan view of a machine assembly in a further embodiment; and
Fig. 6
a schematic side view of the machine Fig. 5 ,

Die Maschinenanordnung 10 gemäß Fig. 1 umfasst eine Zigarettenherstellungsmaschine 11 mit einer Verteilereinheit 12, einer Strangeinheit 13 und einer Filteransetzmaschine 14. Die Maschinenanordnung 10 umfasst des Weiteren eine Vorrichtung 15 zum Zuführen von Fasermaterial zu der Verteilereinheit 12 der Zigarettenherstellungsmaschine 11.The machine assembly 10 according to Fig. 1 comprises a cigarette manufacturing machine 11 having a distributor unit 12, a string unit 13 and a filter attachment machine 14. The machine assembly 10 further comprises a device 15 for feeding fiber material to the distribution unit 12 of the cigarette manufacturing machine 11.

Die Vorrichtung 15 umfasst ein geschlossenes Rohrgehäuse 34 mit einem Förderrohr 17 und einem Rückführrohr 19, eine insbesondere in dem Förderrohr 17 angeordnete Aufgabestation 16, ein in dem Rohrgehäuse 34 verlaufendes Endloszugmittel 21, eine Umlenkstation 18, die beispielsweise als Antriebsstation für die Vorrichtung 15 dient, und eine weitere Umlenkstation 20, die beispielsweise als Spannstation für das Zugmittel 21 dient. Das durch das Rohrgehäuse 34 und die Umlenkstationen 18, 20 umlaufende Zugmittel 21 kann insbesondere eine Kette, aber beispielsweise auch ein Kabel oder ein Seil sein. Der durch das Förderrohr 17 laufende Teil des Zugmittels 21 bildet das Fördertrum, der durch das Rückführrohr laufende Teil des Zugmittels 21 das Leertrum.The device 15 comprises a closed tube housing 34 with a delivery tube 17 and a return tube 19, a feed station 16 arranged in particular in the delivery tube 17, an endless draw means 21 running in the tube housing 34, a deflection station 18 serving, for example, as a drive station for the device 15, and a further deflection station 20, which serves, for example, as a tensioning station for the traction means 21. The circulating through the tubular housing 34 and the deflection stations 18, 20 traction means 21 may be in particular a chain, but for example, a cable or a rope. The current through the conveying tube 17 part of the traction means 21 forms the conveying strand, which runs through the return pipe part of the traction means 21, the slack side.

In den Umlenkstationen 18, 20 sind Umlenkräder 22, 24 zum Umlenken des Zugmittels 21 vorgesehen. Das Umlenkrad 22 ist mittels eines Motors 25, insbesondere eines Elektromotors, antreibbar, um das Zugmittel 21 zu ziehen. Das Umlenkrad 24 und somit Zugmittel 21 ist mittels einer nur schematisch gezeigten Spanneinrichtung 31 spannbar. Alternativ kann die Umlenkstation 18 als Spannstation und die Umlenkstation 20 als Antriebsstation ausgeführt sein.In the deflection stations 18, 20 deflecting wheels 22, 24 are provided for deflecting the traction means 21. The deflection wheel 22 is by means of a motor 25, in particular an electric motor, driven to pull the traction means 21. The deflection wheel 24 and thus traction means 21 can be tensioned by means of a clamping device 31 shown only schematically. Alternatively, the deflection station 18 may be designed as a tensioning station and the deflection station 20 as a drive station.

An dem Endloszugmittel 21 sind vorzugsweise in regelmäßigen Abständen voneinander Mitnehmerscheiben 26 angeordnet, die den Rohrquerschnitt des Rohrgehäuses 34 vollständig ausfüllen, um eine möglichst vollständige Mitnahme des Fasermaterials zu erreichen. Die Mitnehmerscheiben 26 sind dabei vorteilhaft starr an dem Zugmittel 21 angebracht, um ein Verkippen der Mitnehmerscheiben 26 im Betrieb zu verhindern. Mit einer Förderkette 21 lässt sich eine starre Verbindung realisieren. Zwischen jeweils zwei benachbarten Mitnehmerscheiben 26 sind jeweils Transportkammern 27 gebildet, in denen durch die Aufgabestation 16 in das Förderrohr 17 eingebrachtes Fasermaterial portionsweise transportiert bzw. gefördert wird.Mitnehmerscheiben 26 are preferably arranged at the Endloszugmittel 21 at regular intervals from each other, which completely fill the pipe cross-section of the tubular housing 34 in order to achieve the most complete possible entrainment of the fiber material. The drive plates 26 are advantageously rigidly attached to the traction means 21 to prevent tilting of the drive plates 26 during operation. With a conveyor chain 21, a rigid connection can be realized. Between each two adjacent drive plates 26 each transport chambers 27 are formed in which transported by the feed station 16 into the conveyor tube 17 introduced fiber material in portions or promoted.

Die Aufgabestation 16 umfasst beispielsweise einen auf das Förderrohr 17 aufgesetzten Trichter 28, dessen Auslauf mit einer oben in einer Rohrwand des Förderrohrs 17 vorgesehenen Einlassöffnung 29 verbunden ist, wie in Fig. 1 gezeigt. Der in den Trichter 28 eingefüllte Tabak kann somit schwerkraftbedingt ohne weitere Hilfsmittel durch die Einlassöffnung 29 in das Förderrohr 17 fallen, wo er durch die Mitnehmer 27 in Pfeilrichtung zu der Verteilereinheit 12 hin gefördert wird.The feeding station 16 comprises, for example, a hopper 28 placed on the conveying pipe 17, the outlet of which is connected to an inlet opening 29 provided at the top in a pipe wall of the conveying pipe 17, as in FIG Fig. 1 shown. The filled into the hopper 28 tobacco can thus fall due to gravity without further aids through the inlet opening 29 in the conveying pipe 17, where it is conveyed by the driver 27 in the direction of arrow to the distributor unit 12 out.

Die Abgabe des Fasermaterials aus dem Förderrohr 17 in die Verteilereinheit 12 erfolgt im Ausführungsbeispiel der Fig. 1 und Fig. 2 über eine Abgabeöffnung 35, die unten in der Rohrwand des Förderrohrs 17 vorgesehen ist; das Förderrohr 17 ist somit nach unten geöffnet. Die Abgabeöffnung 35 ist mit einem Fallschacht 36 verbunden, dessen unteres Ende mit dem Materialeinlass 32 der Verteilereinheit 12 verbunden ist. Die Abgabeöffnung 35 ist somit oberhalb des Materialeinlasses 32 angeordnet. Der durch die Abgabeöffnung 35 aus dem Förderrohr 17 herausfallende Tabak kann daher schwerkraftbedingt ohne weitere Hilfsmittel durch den Fallschacht 36 und den Materialeinlass 32 in die Verteilereinheit 12 fallen.The delivery of the fiber material from the conveying tube 17 into the distributor unit 12 takes place in the exemplary embodiment of FIG Fig. 1 and Fig. 2 via a discharge port 35 provided at the bottom of the pipe wall of the delivery pipe 17; the delivery pipe 17 is thus opened down. The discharge opening 35 is connected to a chute 36 whose lower end is connected to the material inlet 32 of the distributor unit 12. The discharge opening 35 is thus arranged above the material inlet 32. The falling out through the discharge opening 35 from the conveyor pipe 17 tobacco can therefore fall due to gravity without further aids through the chute 36 and the material inlet 32 into the distributor unit 12.

Eine elektronische Steuerungseinrichtung 33, die in Fig. 1 nur schematisch gezeigt ist und die beispielsweise von einer Maschinensteuerung der Zigarettenherstellungsmaschine 11 gebildet sein kann, steuert den Motor 25 vorteilhaft so an, dass die Menge des durch die Förderleitung 17 zugeförderten Tabaks an die Verarbeitungsgeschwindigkeit der Zigarettenherstellungsmaschine 11 angepasst ist. Die Fördergeschwindigkeit wird somit in Abhängigkeit des Bedarfs der Zigarettenherstellungsmaschine 11 gesteuert und/oder geregelt. Zusätzlich oder alternativ kann eine Steuerung oder Regelung auf der Grundlage eines Signals von einem nicht gezeigten, beispielsweise in dem Fallschacht 36 oder dem Trichter 30 (siehe Fig. 6) angeordneten Füllstandsensor erfolgen.An electronic control device 33, which in Fig. 1 is shown only schematically and may for example be formed by a machine controller of the cigarette making machine 11, the motor 25 advantageously controls so that the amount of tobacco conveyed through the conveying line 17 is adapted to the processing speed of the cigarette manufacturing machine 11. The conveying speed is thus controlled and / or regulated depending on the needs of the cigarette manufacturing machine 11. Additionally or alternatively, a control or regulation based on a signal from a not shown, for example in the chute 36 or the hopper 30 (see Fig. 6 ) arranged level sensor take place.

In einer Ausführungsform gelangt das über die Einfüllöffnung 32 in die Verteilereinheit 12 einlaufende Fasermaterial zunächst in ein Reservoir und wird von dort beispielsweise über eine Zugabewalze oder ein Steilförderband einem Sichter zugeführt, wobei die gesichteten Tabakfasern über einen Stauschacht in die Strangeinheit 13 gelangen.In one embodiment, the fiber material entering the distributor unit 12 via the filling opening 32 first passes into a reservoir and is fed from there, for example via an addition roller or a steep conveyor belt, to a sifter, whereby the sighted tobacco fibers enter the strand unit 13 via a stowage shaft.

In einer anderen Ausführungsform wird das Fasermaterial unter Umgehung oder Vermeidung eines Sichters direkt von der Einfüllöffnung 32 in die Strangeinheit 13 zugeführt. Dies kann insbesondere für tabakähnliches, synthetisch hergestelltes, besonders empfindliches Fasermaterial vorteilhaft sein, das beim Durchlaufen des Sichters beeinträchtigt werden kann. Insbesondere in dieser Ausführungsform ist die Abgabeöffnung 35 vorteilhaft parallel zu der Strangrichtung in der Strangeinheit 13 angeordnet. Des Weiteren entsprechen die Abmessungen der Abgabeöffnung 35 vorzugsweise den Abmessungen einer Aufschüttfläche für das Fasermaterial in der Strangeinheit 13.In another embodiment, the fiber material, bypassing or avoiding a classifier, is fed directly from the filling opening 32 into the strand unit 13. This can especially advantageous for tobacco-like, synthetically produced, particularly sensitive fiber material, which may be impaired when passing through the classifier. In particular, in this embodiment, the discharge opening 35 is advantageously arranged parallel to the strand direction in the strand unit 13. Furthermore, the dimensions of the discharge opening 35 preferably correspond to the dimensions of a charging surface for the fiber material in the strand unit 13.

Beide zuvor beschriebenen Ausführungsformen sind kombinierbar, d.h. Zuführung von Tabakfasern über eine erste Einfüllöffnung 35, die zum Sichter führt, und Zuführung von tabakähnlichem, synthetisch hergestelltem Fasermaterial zu einer zweiten Einfüllöffnung 35, die unter Umgehung des Sichters direkt zu der Strangeinheit 13 führt.Both embodiments described above can be combined, i. Supplying tobacco fibers via a first filling opening 35 leading to the classifier, and feeding tobacco-like, synthetically produced fiber material to a second filling opening 35, which leads directly to the strand unit 13, bypassing the classifier.

In der Ausführungsform gemäß Fig. 3 kann die Abgabeöffnung 35 vorteilhaft mittels einer insbesondere von der elektronischen Steuerungseinrichtung 33 gesteuerten Klappe 37 geöffnet und verschlossen werden. Der Abwurf des Fasermaterials aus dem Förderrohr 17 in die Verteilereinheit 12 erfolgt durch die sich öffnende Klappe 37 auf der Unterseite des Förderrohrs 17, sobald eine volle Materialladung die Länge der Klappe 37 passiert hat.In the embodiment according to Fig. 3 the discharge opening 35 can advantageously be opened and closed by means of a flap 37 controlled in particular by the electronic control device 33. The discharge of the fiber material from the conveying tube 17 into the distributor unit 12 takes place through the opening flap 37 on the underside of the conveyor tube 17 as soon as a full material charge has passed the length of the flap 37.

Die Ausführungsform gemäß Fig. 3 ist besonders vorteilhaft, wenn die Fördervorrichtung 15 aus wirtschaftlichen Gründen zur seriellen Beschickung einer Mehrzahl von Zigarettenherstellungsmaschinen 11 in der Maschinenanordnung 10, welche beispielsweise die gleiche Tabakmischung verarbeiten, verwendet wird. Dies ist in Fig. 4 schematisch anhand einer Maschinenanlage 10 mit zwei in Serie an dieselbe Fördervorrichtung 15 angeschlossenen Zigarettenherstellungsmaschinen 11A, 11B gezeigt. In dem Förderrohr 17 ist eine entsprechende Mehrzahl von Abgabeöffnungen 35A, 35B vorgesehen, wobei jede Abgabeöffnung 35A, 35B mittels einer gesteuerten Klappe 37A, 37B öffen- und verschließbar ist. Die Steuerungseinrichtung 33 steuert die Klappen 37A, 37B und/oder die Zuggeschwindigkeit des Endloszugmittels 21 individuell je nach Fasermaterialbedarf der einzelnen Maschinen 11A, 11B.The embodiment according to Fig. 3 is particularly advantageous when the conveyor 15 is used for economic reasons for the serial loading of a plurality of cigarette manufacturing machines 11 in the machine assembly 10, which process, for example, the same tobacco mixture. This is in Fig. 4 schematically with reference to a machine installation 10 with two series-connected to the same conveyor device 15 cigarette manufacturing machines 11A, 11B shown. In the delivery tube 17 there is provided a corresponding plurality of delivery ports 35A, 35B, each delivery port 35A, 35B being openable and closable by means of a controlled flap 37A, 37B. The control device 33 controls the flaps 37A, 37B and / or the pulling speed of the endless drawing means 21 individually, depending on the fiber material requirements of the individual machines 11A, 11B.

Im Detail ermittelt die Beschickungssteuerung 33 den aktuellen Tabakbedarf jeder einzelnen Zigarettenherstellungsmaschine 11A, 11B aufgrund ihrer aktuellen Produktionsgeschwindigkeit, des Tabakeinsatzgewichtes der aktuellen Zigarettenmarke und des Füllstandes ihres internen Tabakreservoirs. Die Beschickungssteuerung 33 steuert aufgrund dieser Daten das Öffnen/Schließen der Klappen 37A, 37B bzw. der entsprechenden Fallschächte und die Fördergeschwindigkeit des Zugmittels 21. Falls sich am Ende des Förderrohrs 17, also nach der letzten Zigarettenherstellungsmaschine 11B, noch Tabak im Förderrohr 17 befinden sollte, wird der Resttabak vorteilhaft vor dem folgenden Umlenkrad 22 ausgeschleust und wieder in die Aufgabestation 16 zugeführt.In detail, the feed control 33 determines the current tobacco demand of each individual cigarette making machine 11A, 11B based on its current production rate, the tobacco use weight of the current cigarette brand and the level of its internal tobacco reservoir. Based on this data, the feed control 33 controls the opening / closing of the flaps 37A, 37B or the corresponding chutes and the conveying speed of the pulling means 21. If tobacco should still be present in the conveying tube 17 at the end of the conveying tube 17, ie after the last cigarette manufacturing machine 11B , the remaining tobacco is advantageously discharged before the following guide wheel 22 and fed back into the feed station 16.

In der Ausführungsform gemäß Fig. 5 und Fig. 6 ist eine Abgabestation 38 vorgesehen, die hier die Umlenkstation 18 umfasst, jedoch auch unabhängig von der Umlenkstation 18 ausgeführt sein kann. Die Abgabestation 38 umfasst einen Trichter 30, der beispielsweise unterhalb eines Kastens, hier der Umlenkstation 18, angeordnet ist und dessen Ausgang 39 mit dem Materialeinlass 32 der Maschine 10 verbunden ist. Das Förderrohr 17 mündet in den Kasten bzw. die Umlenkstation 18, so dass in diesem Fall die Mündung des Förderrohrs 17 in die Abgabestation 38 die Abgabeöffnung 35 bildet. Die Abgabeöffnung 35 ist vorteilhaft oberhalb des Trichterauslasses 39 und somit oberhalb des Materialeinlasses 32 angeordnet, wie am besten in Fig. 6 erkennbar ist. Der aus dem Förderrohr 17 austretende Tabak kann somit schwerkraftbedingt ohne weitere Hilfsmittel in den Trichter 30 und durch den Trichterausgang 39 und den Materialeinlass 32 in die Verteilereinheit 12 fallen.In the embodiment according to Fig. 5 and Fig. 6 a discharge station 38 is provided, which here comprises the deflection station 18, but may also be designed independently of the deflection station 18. The dispensing station 38 comprises a funnel 30, which is arranged, for example, below a box, here the deflection station 18, and whose outlet 39 is connected to the material inlet 32 of the machine 10. The delivery pipe 17 opens into the box or the deflecting station 18, so that in this case the mouth of the delivery pipe 17 forms the discharge opening 35 in the discharge station 38. The discharge opening 35 is advantageously above the hopper outlet 39 and thus located above the material inlet 32, as best in Fig. 6 is recognizable. The tobacco emerging from the conveying pipe 17 can therefore fall into the hopper 30 without gravity and through the funnel outlet 39 and the material inlet 32 into the distributor unit 12 without further aids.

In der Abgabestation 38 können eine oder mehrere auf das Zugmittel 21 gerichtete Luftdüsen 41 zum Abblasen von Resttabak vorgesehen sein. Allgemein kann vorteilhaft mindestens eine auf das Zugmittel 21 gerichtete Luftdüse 41 zum Abblasen von Resttabak in Förderrichtung hinter der Abgabeöffnung 35 angeordnet sein, in Fig. 1 beispielsweise in der Umlenkstation 18.In the delivery station 38, one or more directed to the traction means 21 air nozzles 41 may be provided for blowing off residual tobacco. In general, at least one air nozzle 41 directed towards the traction means 21 can advantageously be arranged behind the discharge opening 35 in the conveying direction for discharging residual tobacco Fig. 1 for example, in the deflection station 18th

An dem Förderrohr 17 kann zwischen der Aufgabestation 16 und der Abgabeöffnung 35 mindestens eine Zuführeinrichtung 40 zum Zuführen von Zusatzstoffen und/oder Mischungsbestandteilen in das Innere des Förderrohrs 17 angeordnet sein. Die Zuführung kann vorteilhaft dosiert in Abhängigkeit von der Zuggeschwindigkeit der Förderkette erfolgen.At least one feed device 40 for feeding additives and / or mixture constituents into the interior of the conveyor pipe 17 may be arranged on the conveyor pipe 17 between the feed station 16 and the discharge opening 35. The feed can advantageously be metered in dependence on the pulling speed of the conveyor chain.

Andere Ausführungsformen der Aufgabestation 16 als die in den Figuren gezeigte sind möglich. Beispielsweise kann die Aufgabestation 16 eine T-förmige Rohrverzweigung umfassen, wobei der Tabak durch eine mit der dritten Öffnung der Rohrverzweigung verbundene Zuführleitung zugeführt wird. Die Aufgabestation 16 muss des Weiteren nicht unbedingt eigenständig ausgeführt sein, beispielsweise kann die Aufgabestation 16 in der Umlenkstation 20 realisiert sein.Other embodiments of the feeding station 16 than those shown in the figures are possible. For example, the feed station 16 may comprise a T-shaped manifold, wherein the tobacco is supplied through a feed line connected to the third opening of the manifold. Furthermore, the feeding station 16 does not necessarily have to be designed independently, for example, the feeding station 16 can be realized in the deflection station 20.

In einer nicht gezeigten Ausführungsform ist in jede Mitnehmerscheibe 26 ein berührungsfrei auslesbares Identifikationselement, beispielsweise ein Transponder, eingesetzt bzw. eingegossen. Diese Ausführung gestattet die getrennte Behandlung von zwei oder mehr Tabaksorten oder Mischungskomponenten in dem Förderrohr 17, beispielsweise bei einem Markenwechsel an der Zigarettenherstellungsmaschine 11. Außerhalb des Förderrohres 17 ist eine Lese-/Schreibstation zum berührungslosen Auslesen und/oder Beschreiben der Identifikationselemente mit Information über den Inhalt der in der folgenden Förderkammer 27 enthaltenen Tabaksorte/-komponente vorgesehen.In one embodiment, not shown, a non-contact readable identification element, for example a transponder, is inserted or cast into each driver disk 26. This design allows separate treatment of two or more types of tobacco or mixture components in the conveying tube 17, for example when changing the brand of the cigarette manufacturing machine 11. Outside the conveying tube 17 is a read / write station for non-contact reading and / or writing the identification elements with information about the content of in the following delivery chamber 27 contained tobacco variety / component.

An der Zigarettenherstellungsmaschine 11 fällt üblicherweise ein gewisser Anteil Schusszigaretten an. In einer weiteren nicht gezeigten Ausführungsform ist daher in dem Rückführrohr 19 am maschinenseitigen Ende (hinter der Umlenkstation 18) eine Zuführöffnung, beispielsweise ein auf dem Rückführrohr 19 angebrachter Trichter oder eine T-Verzweigung, zum Zuführen von Schusszigaretten aus der Maschine 11 in das Rückführrohr 19, und an dem maschinenfernen Ende (vor der Umlenkstation 20) eine Abführöffnung, beispielsweise ein Fallschacht, zum Abführen der Schusszigaretten aus dem Rückführrohr vorgesehen. Die abgeführten Schusszigaretten können vorteilhaft einer nahestehenden Wiederaufbereitungsanlage zur Trennung von Tabak und Papier/Filter zugeführt werden.At the cigarette manufacturing machine 11 usually falls to a certain proportion of shot cigarettes. In another embodiment, not shown, therefore, in the return pipe 19 at the machine end (behind the reversing station 18) is a feed opening, for example a mounted on the return pipe 19 funnel or a T-branch, for feeding shot cigarettes from the machine 11 in the return pipe 19th , and at the machine-remote end (in front of the deflection station 20) a discharge opening, for example a chute, for discharging the shot cigarettes from the return pipe is provided. The discharged shot cigarettes can be advantageously fed to a related recycling plant for the separation of tobacco and paper / filter.

Claims (15)

Maschinenanordnung (10) der Tabak verarbeitenden Industrie mit mindestens einer Maschine (11) und einer Vorrichtung (15) zum Zuführen von Fasermaterial zu der Maschine (11), wobei die Vorrichtung (15) ein geschlossenes Rohrgehäuse (34) mit einem Förderrohr (17) umfasst, das einerseits mit einer Aufgabestation (16) und andererseits mit einem Materialeinlass (32) der Maschine (11) verbunden ist, und ein Fördermittel (21, 26) zum Fördern des Fasermaterials durch das Förderrohr (17) von der Aufgabestation (16) zu dem Materialeinlass (32), dadurch gekennzeichnet, dass das Fördermittel (21, 26) von einem durch das Rohrgehäuse (34) verlaufenden Endloszugmittel (21) und daran voneinander beanstandet angebrachte Mitnehmerscheiben (26) gebildet wird.Machine arrangement (10) of the tobacco processing industry comprising at least one machine (11) and a device (15) for feeding fiber material to the machine (11), the device (15) comprising a closed pipe housing (34) with a conveying pipe (17). comprising, on the one hand, a feed station (16) and, on the other hand, a material inlet (32) of the machine (11), and conveying means (21, 26) for conveying the fiber material through the feed tube (17) from the feed station (16) to the material inlet (32), characterized in that the conveying means (21, 26) of a through the tubular housing (34) extending Endloszugmittel (21) and spaced from each other spaced apart Mitnehmerscheiben (26) is formed. Maschinenanordnung nach Anspruch 1, dadurch gekennzeichnet, dass die Zuggeschwindigkeit des Zugmittels (21) in Abhängigkeit von einer Verarbeitungsgeschwindigkeit der Maschine (11) steuer- und/oder regelbar ist.Machine arrangement according to Claim 1, characterized in that the pulling speed of the traction means (21) can be controlled and / or regulated as a function of a processing speed of the machine (11). Maschinenanordnung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Förderrohr (17) zur Bildung der Abgabeöffnung (35) nach unten geöffnet ist.Machine arrangement according to claim 1 or 2, characterized in that the conveying tube (17) is open to form the discharge opening (35) downwards. Maschinenanordnung nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Abgabeöffnung (35) oberhalb des Materialeinlasses (32) und/oder parallel zu einer Strangrichtung in der Maschine (11) angeordnet ist und/oder die Abmessungen der Abgabeöffnung (35) den Abmessungen einer Aufschüttfläche für das Fasermaterial in der Maschine (11) entsprechen.Machine arrangement according to one of the preceding claims, characterized in that the discharge opening (35) above the material inlet (32) and / or parallel to a strand direction in the machine (11) is arranged and / or the dimensions of the discharge opening (35) the dimensions of a Aufschüttfläche for the fiber material in the machine (11) correspond. Maschinenanordnung nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Abgabeöffnung (35) mittels einer gesteuerten Klappe (37) öffen- und verschließbar ist.Machine arrangement according to one of the preceding claims, characterized in that the discharge opening (35) by means of a controlled flap (37) can be opened and closed. Maschinenanordnung nach Anspruch 5, dadurch gekennzeichnet, dass in dem Förderrohr (17) eine Mehrzahl von Abgabeöffnungen (35A, 35B) einer entsprechenden Mehrzahl von Maschinen (11A, 11B) vorgesehen ist, wobei jede Abgabeöffnung (35A, 35B) mittels einer gesteuerten Klappe (37A, 37B) öffen- und verschließbar ist, wobei eine Steuerungseinrichtung (33) die Klappen (37A, 37B) und/oder die Zuggeschwindigkeit des Endloszugmittels (21) je nach Fasermaterialbedarf der einzelnen Maschinen (11A, 11B) individuell steuert.Machine arrangement according to claim 5, characterized in that in the conveying pipe (17) a plurality of discharge openings (35A, 35B) of a corresponding plurality of machines (11A, 11B) is provided, each discharge opening (35A, 35B) being controlled by a controlled flap (35). 37A, 37B) can be opened and closed, wherein a control device (33) individually controls the flaps (37A, 37B) and / or the pulling speed of the endless drawing means (21) according to the fiber material requirement of the individual machines (11A, 11B). Maschinenanordnung nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass in Förderrichtung hinter der Abgabeöffnung (35) mindestens eine auf das Zugmittel (21) gerichtete Luftdüse (41) zum Abblasen von Resttabak vorgesehen ist.Machine arrangement according to one of the preceding claims, characterized in that in the conveying direction behind the discharge opening (35) at least one on the traction means (21) directed air nozzle (41) is provided for blowing off residual tobacco. Maschinenanordnung nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass in einem Rückführrohr (19) am maschinenseitigen Ende eine Zuführöffnung zum Zuführen von Schusszigaretten aus der Maschine (11) in das Rückführrohr (19) und am maschinenfernen Ende eine Abführöffnung zum Abführen der Schusszigaretten aus dem Rückführrohr (19) vorgesehen ist.Machine arrangement according to one of the preceding claims, characterized in that in a return pipe (19) at the machine end a feed opening for feeding shot cigarettes from the machine (11) in the return pipe (19) and at the machine-distal end a discharge opening for discharging the shot cigarettes from the Return pipe (19) is provided. Maschinenanordnung nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass in den Mitnehmerscheiben (26) ein berührungsfrei auslesbares Identifikationselement angeordnet und außerhalb des Förderrohres (17) eine Lese-/Schreibstation zum berührungslosen Auslesen und/oder Beschreiben der Identifikationselemente vorgesehen ist.Machine arrangement according to one of the preceding claims, characterized in that arranged in the driver disks (26) a non-contact readable identification element and outside of the conveyor tube (17) has a read / write station is provided for non-contact reading and / or writing the identification elements. Maschinenanordnung nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass an dem Förderrohr (17) zwischen der Aufgabestation (16) und der Abgabeöffnung (35) mindestens eine Zuführeinrichtung (40) zum Zuführen von Zusatzstoffen und/oder Mischungsbestandteilen in das Innere des Förderrohrs (17) angeordnet ist.Machine arrangement according to one of the preceding claims, characterized in that at least one feed device (40) for feeding additives and / or mixture constituents into the interior of the conveying pipe (17) is provided on the conveyor pipe (17) between the feed station (16) and the discharge opening (35) ) is arranged. Maschinenanordnung nach Anspruch 10, dadurch gekennzeichnet, dass die Zuführung dosiert in Abhängigkeit von der Zuggeschwindigkeit des Zugmittels (21) erfolgt.Machine arrangement according to claim 10, characterized in that the feed is metered in dependence on the pulling speed of the traction means (21). Maschinenanordnung nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass eine Vorrichtung zum Erwärmen des Fasermaterials vor der Abgabe in die Maschine (11) vorgesehen ist.Machine arrangement according to one of the preceding claims, characterized in that a device for heating the fiber material prior to delivery into the machine (11) is provided. Maschinenanordnung nach Anspruch 12, dadurch gekennzeichnet, dass die Vorrichtung zum Erwärmen des Fasermaterials ein doppelwandiges, von einem Heizmedium durchströmtes Förderrohr (17) umfasst.Machine arrangement according to Claim 12, characterized in that the device for heating the fiber material comprises a double-walled conveying tube (17) through which a heating medium flows. Verfahren zum Zuführen von Fasermaterial von einer Aufgabestation (16) zu einem Materialeinlass (32) einer Maschine (10) der Tabak verarbeitenden Industrie unter Verwendung eines Rohrkettenförderers (15).A method of feeding fiber material from a feed station (16) to a material inlet (32) of a machine (10) of the tobacco processing industry using a tube chain conveyor (15). Verfahren nach Anspruch 14, dadurch gekennzeichnet, dass eine vordefinierte Zeit vor Abschluss einer Produktion auf der Maschine (10) die Fasermaterialzuführung an der Aufgabestation (16) abgeschaltet und der Rohrkettenförderer (15) noch während des Produktionsbetriebs der Maschine (10) leergefahren wird.A method according to claim 14, characterized in that a pre-defined time before completion of a production on the machine (10), the fiber material supply to the loading station (16) is switched off and the tube chain conveyor (15). is emptied during production of the machine (10).
EP15170643.9A 2014-06-05 2015-06-04 Machine assembly for the tobacco-processing industry, and method for feeding a material in fibre form Revoked EP2952106B1 (en)

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DE102014210719.9A DE102014210719B3 (en) 2014-06-05 2014-06-05 Machine arrangement of the tobacco processing industry

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DE102015113292A1 (en) 2015-08-12 2017-02-16 Hauni Maschinenbau Gmbh Method of providing small pieces of tobacco and setting up the tobacco processing industry
DE102015113289A1 (en) 2015-08-12 2017-02-16 Hauni Maschinenbau Gmbh Method for providing at least one tobacco rod of a tobacco mixture and device of the tobacco processing industry

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PL2952106T3 (en) 2019-08-30
EP2952106B1 (en) 2019-03-13
CN105286082B (en) 2019-08-06
CN105286082A (en) 2016-02-03
DE102014210719B3 (en) 2015-08-20

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