EP1562451B1 - Device for processing tobacco during the production of cigarettes - Google Patents

Device for processing tobacco during the production of cigarettes Download PDF

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Publication number
EP1562451B1
EP1562451B1 EP03769456A EP03769456A EP1562451B1 EP 1562451 B1 EP1562451 B1 EP 1562451B1 EP 03769456 A EP03769456 A EP 03769456A EP 03769456 A EP03769456 A EP 03769456A EP 1562451 B1 EP1562451 B1 EP 1562451B1
Authority
EP
European Patent Office
Prior art keywords
tobacco
distributor
sifter
guide body
air
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.)
Revoked
Application number
EP03769456A
Other languages
German (de)
French (fr)
Other versions
EP1562451A2 (en
Inventor
Heinz Focke
Ralf Barkmann
Alfred Drenguis
Frauke Illigner
Reinhard Hoppe
Tobias Jacobi
Christina Ott
Remo Schulz
Michael Wegmann
Jürgen Focke
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Koerber Technologies GmbH
Original Assignee
Focke and Co GmbH and Co KG
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Filing date
Publication date
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Application filed by Focke and Co GmbH and Co KG filed Critical Focke and Co GmbH and Co KG
Publication of EP1562451A2 publication Critical patent/EP1562451A2/en
Application granted granted Critical
Publication of EP1562451B1 publication Critical patent/EP1562451B1/en
Anticipated expiration legal-status Critical
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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/39—Tobacco feeding devices
    • A24C5/396—Tobacco feeding devices with separating means, e.g. winnowing, removing impurities

Definitions

  • the invention relates to a device according to the preamble of patent claim 1.
  • Distributor or Hopper are part of a cigarette maker (Maker).
  • the cut and otherwise treated tobacco is introduced into the distributor in the area of an (upper) lock, passes through a pre-distributor into the area of the metering system.
  • This consists essentially of a specially designed metering roller, which is fed to the tobacco in a uniform tobacco flow.
  • a sighting of the tobacco is carried out following this or similar trained dosing to eliminate components with higher weight, especially ribs, stems and foreign parts.
  • the tobacco is fed to a strand conveyor, which removes a precisely sized tobacco rod to form cigarettes ( DE 1 532 213 A ; DE 198 40 143 A1 ).
  • classifiers are arranged within the distributor as part of the same. As a result, the effect of viewing may be inadequate.
  • the invention has for its object to provide in the processing of cut tobacco for the production of cigarettes optimal or reliable sighting of the tobacco, so that the performance of the distributor or Hoppers increased or better quality of the tobacco is achieved.
  • the device according to the invention in accordance with the characterizing part of claim 1 is formed.
  • the classifier By disposing a classifier as a separate, stand-alone organ for treating the tobacco prior to entering the manifold or hopper, the classifier can be designed for optimal performance.
  • the distributor / hopper only gets completely covered Tobacco, so that within the distributor the (usual) further processing of the tobacco is facilitated.
  • the inventive construction also allows the retrofitting of classifiers with inadequate quality of sighting already installed distributor.
  • the distributor or hopper shown in the drawings are used for the preparation of cut tobacco. This is introduced in an upper area in the manifold, namely in a lock 10. From this, the tobacco is transferred to a pre-distributor 11. In the area there is a loosening of the tobacco. Thereafter, the tobacco is supplied to a dosing system 12 in different ways. In its area a largely regular tobacco stream 13 is generated, which is supplied in the upward direction to an organ for producing a continuous tobacco rod, namely a suction belt 14th
  • a sifter 15 This organ separates components of the tobacco with higher weight, especially ribs, stems, but also foreign parts such as metal parts, stones, etc., from the tobacco.
  • a classifier 15 is arranged in each case in the conveying direction of the tobacco in front of the metering system 12, so that tobacco which has been produced is supplied to the metering system 12.
  • a special feature is the distributor according to Fig. 1 to 3 , In this, the classifier upstream of the distributor or the lock 10. Concretely, the classifier 15 is positioned as a separate member adjacent to the distributor, in a classifier housing 16. This is connected to the distributor, namely a distributor housing 17. The resulting unit is arranged on a common machine frame 18.
  • the otherwise pretreated, cut tobacco is fed to the classifier 15.
  • a supply line 19 or a feed tube enters the classifier 15 from above in a vertical direction.
  • the processed within the classifier 15 tobacco is introduced in the upper region of the classifier 15 and the classifier housing 16 via a connecting line 20, namely a horizontally directed pipe, in the manifold, in the lock 10.
  • the classifier 15 according to the embodiment of the Fig. 1 to Fig. 3 is designed in a special way, namely as (modified) cone sealers.
  • This consists of an upright, preferably centrally positioned within the classifier housing 16 guide body 21 and a spaced therefrom Leitwandung 22. Between the guide body 21 and the guide wall 22 an upright viewing channel 23 is formed, the shape of which by the contours of the guide body 21 on the one hand and the outer Conduit 22 is determined on the other hand.
  • the guide body 21 is conical, namely consists of two superimposed double cones, which are connected to each other in the region of a cross-sectional constriction 24 to form a unit or to a common guide body 21. This is pointed up and provided at the bottom with a truncated end 25.
  • the baffle 21 is positioned centrally within the classifier housing 16 and surrounded by the baffle 22 so that a - seen in horizontal section - annular viewing channel 23 is formed whose effective transverse dimension over the height is approximately equal, due to adaptation of the baffle 22 at the contours of the guide body 21.
  • the guide wall 22 extends parallel and at a constant distance from the guide body 21st
  • the tobacco is introduced into the classifier 15 via the supply line 19 arranged centrally relative to the guide body 21 and above it.
  • the tobacco moves downwards due to its own weight in the region of the viewing channel 23, along the jacket surface of the guide body 21.
  • the downward movement of the tobacco is counteracted by an air flow supplied from below.
  • Air is introduced at elevated pressure into the lower region of the classifier 15 or of the classifier housing 16 via an air line 26.
  • the air line 26 opens into a lower chamber 27 and enters Upward direction in the classifier housing 16 a.
  • the lower portion of the guide wall 22 is formed permeable to air, as a slanted or conical sieve 28. About this sieve-like lower portion of the guide wall 22 enters the air in an upward flow in the viewing channel 23 and the downward movement of the tobacco.
  • the liberated from the pieces to be discarded 29 tobacco enters an area above the guide body 21, namely in a collecting chamber 31 with extended cross-section.
  • the connection line 20 connects to the transfer of the sighted tobacco to the actual distributor.
  • the distributor is designed in this embodiment in a special way by the absence of a classifier within the distributor or within the distributor housing 17.
  • In the upper part of the lock formed 10 is negative pressure, so that in conjunction with the air flow in the separator 15 of the tobacco from the Collection chamber 31 passes via the connecting line 20 into the lock 10.
  • the tobacco is portion or batch the classifier 15 and thus supplied to the distributor.
  • the tobacco portion treated in the classifier 15 is collected in the lock 10 and then fed to the actual distributor.
  • the lock 10 has a lower, closable opening.
  • a lock bottom consists of two pivotable flaps 33. These are pivoted to open the lock 10 down. As a result, the entire contents of the lock 10 reaches the area of the pre-distributor 11.
  • the tobacco is supplied in the pre-distributor by a slanted guide wall 34 work organs.
  • the spiked rollers 35 ... 37 are provided with radially directed spines, which cause due to their design and arrangement, a loosening of the tobacco, but also a guiding of the tobacco stream. It is achieved that the tobacco in a loosened tobacco flow in the down tapered collecting tank 38 passes below the pre-distributor 11.
  • spiked roller 37 are arranged so that a larger diameter spiked roller 37 and a smaller spiked roller 36 face each other and form a barrier to the tobacco by mutual engagement of spikes. This can only go down according to the rotational movements of the spiked rollers 36, 37.
  • Another spiked roller 35 is located in an area above the spiked roller 36 and serves to feed the tobacco so that it is mainly conducted to the larger spiked roller 37.
  • the particularly advantageous direction of rotation of the spiked rollers 35, 36, 37 is in each case by directional arrow in Fig. 3 characterized.
  • a feed conveyor - screw conveyor 39 - arranged In the upper area funnel-shaped collecting container, at least below the pre-distributor 11, a feed conveyor - screw conveyor 39 - arranged, the excess tobacco from the tobacco rod area leads back into the collecting container 38.
  • the guide wall 34 is designed so that it matches the contour of the spiked roller 37 of the pre-distributor 11 and ends to form a cross-sectional constriction 40 in the upper region of the collecting container 38 ends.
  • the tobacco is conveyed upwards, by a vertical conveyor 41.
  • the oblique driver 42 has for detecting a quantity of tobacco in the region of an upwardly moving conveyor 43. This is slightly inclined relative to a vertical position , with an inclination of about 6 °.
  • the conveyor namely steep conveyor 41, is deflected by deflection rollers in a downward conveying path. In this area, the tobacco is transferred to the dosing system 12.
  • the tobacco passes into a substantially upright shaft 44, which feeds the tobacco to a metering roller 45, namely a spiked roller.
  • a metering roller 45 namely a spiked roller.
  • an organ for removing the tobacco from the vertical conveyor 41 In the upper entrance area of the shaft 44 is an organ for removing the tobacco from the vertical conveyor 41. It is a separating roller 46, which combs the tobacco from the comb-like drivers 42.
  • the uniform tobacco stream 13 is generated, which is brought to the suction belt 14 via an upright conveyor, namely a suction chute 47.
  • a Ab primaryorgan namely a transverse auger 48.
  • the sifter 15 is housed within the distributor or within the correspondingly designed distributor housing 17, following the pre-distributor 11.
  • the incoming tobacco passes directly into the lock 10 via a supply line 49.
  • Below the lock 10 is the pre-distributor 11 in the described embodiment.
  • the tobacco emerging from this pre-distributor 11 is taken up by a transverse conveyor 50, namely an endless conveyor belt.
  • the cross conveyor 50 or its upper run is slightly rising in the conveying direction, that is directed at an acute angle.
  • the cross conveyor 50 leads to an inlet opening 51 in the sifter 15th
  • a metering device cooperates, namely a metering conveyor 52, which is positioned as an endless belt above the cross conveyor 50, at an angle to the cross conveyor 50.
  • a the inlet opening 51 facing deflecting end or a guide roller 53 of the metering 52 forms with respect to the
  • the metering gap is adjustable, by adjusting the metering 52.
  • Its guide roller 54 - lying away from the inlet opening 51 - is fixedly mounted, while the opposite guide roller 53 in upwards and Downward direction is adjustable.
  • the dosing conveyor 52 is pivotable about the deflection roller 54, changing the dosing gap defined by the transverse conveyor 50.
  • a spiked roller 55 is arranged as conveying and distributing member.
  • the sifter 15 is a zig-zag sifter.
  • An upright viewing channel 56 is angled several times, so zig-zag-shaped.
  • Two parallel guide walls 57, 58 define a viewing channel 56 with changing flow direction.
  • the tobacco passes through the inlet opening 51 in the region of an obliquely directed leg of the guide wall 58 in the sifter 15 and sight channel 56.
  • the self-weight down sliding tobacco occurs from below against an air flow, with the separation of Pieces 29 with a higher dead weight promotes the tobacco back upwards, namely beyond the inlet opening 51 into the region of a (circular) deflection channel 59.
  • a tobacco stream 60 free of pieces 29 is produced in this region. This tobacco stream 60 is fed to the dosing system 12.
  • the introduced from below into the sight channel 56 air is generated by a fan or by a fan 61 (cross-flow fan). This is located in an upright air channel 62, which forms a closed channel system with the viewing channel 56.
  • the blown air is introduced by the fan 61 via an arcuately deflected channel leg 63 from below into the viewing channel 56 and there generates the visual effect already described in connection with an upward promotion of the tobacco.
  • the upper region of the classifier 15 is formed ( Fig. 4 . Fig. 5 ).
  • An upper region of the air channel 62 leads to an air connection or to an air-permeable, in particular designed as a sieve drum 64. This is rotatably and concentrically in the circular deflection channel 58 is positioned.
  • the drum 64 is rotatably driven in the conveying direction of the tobacco or the tobacco stream 60. The air is drawn through the fan 61 via the viewing channel 56 into the air-permeable drum 64 and then introduced via the air channel 62 and the channel leg 63 down into the viewing channel 56.
  • the relatively light tobacco is guided along after leaving the viewing channel 56 due to the rectified air flow on a circular wall of the Umlenkkanals 59.
  • the tobacco stream 60 is due to centrifugal forces on the wall of the Umlenkkanals 59 at.
  • the total air-permeable drum 64 is sealed by a fixed inner segment 65 against the passage of air, so that in this area lesser centrifugal forces conditioning of the tobacco stream 60 is avoided on the drum 64.
  • the tobacco or tobacco stream 50 passes following the deflection channel 59 in the region of a rotary valve 66 as conveying and sealing member relative to the negative pressure region of the classifier 15.
  • the tobacco is passed through the rotary valve 66 to a helical channel 67, which to the at the entrance of Shaft 44 arranged singling roller 46 leads.
  • the tobacco reaches the area of the dosing system 12, which is formed here in the same way as in the embodiment of Fig. 3 ,
  • the sifter 15 is also housed within the distributor or within the distributor housing 17.
  • the tobacco will - as in the example of Fig. 4 - Directly supplied to the lock 10 and passed from this to the pre-distributor 11. From here, the tobacco enters the area of the arranged below the pre-manifold 11 collecting container 38. This is the tobacco by an upward conveyor 68 - in construction and function of the steep conveyor 41 of Fig. 3 comparable - transported almost over the entire height of the distributor. Following an upper deflection of the upward conveyor 68 or a conveying run 69, the tobacco is transferred into a downwardly directed, vertical or vertical transport shaft 70.
  • the safe removal of the tobacco from the upward conveyor 68 is effected by a separating roller 71, which combs the tobacco from the drivers 42 of the upward conveyor 68.
  • the transport shaft 70 leads in the vertical direction directly to the sifter 15 or the sifter 15 connects to the transport shaft 70 at.
  • the classifier 15 is also formed in this embodiment as a zig-zag classifier with a corresponding viewing channel 56 which is bounded by angled, parallel guide walls 57, 58.
  • a processing roller 72 is arranged here, which on the one hand causes a loosening of the tobacco and on the other hand, the area of the classifier with increased air pressure compared to the previous area - transport shaft - delimits.
  • the sight channel 56 is supplied from below air, which flows upwards and promotes tobacco within the viewing channel 56 upwards, but leaves the pieces 29 sink down because of the higher weight.
  • the air flow is generated in the lower region, immediately adjacent to the lower end of the viewing channel 56, by a fan 74.
  • This is arranged in a housing as part of an upright air channel 75.
  • an air-permeable drum 64 is mounted, which is driven in rotation in the arrow direction. It thus arises in this embodiment, an air circulation.
  • the in the classifier or sight channel 56 below introduced air transports the tobacco in the area of the drum 64.
  • the tobacco attaches to the outer shell of the air-permeable drum 64 and is transported through this for transfer to an intermediate channel 76.
  • This includes the already described in principle metering 12 with Separation roller 46 and shaft 44.
  • a special feature is the upper portion of the classifier 15 with a caution of the tobacco.
  • air is introduced laterally.
  • an air nozzle 77 is arranged next to the transport shaft 70 and directed so that air in the transverse direction (arrow in Fig. 7 ) is directed into the transport shaft 70 and thus into the tobacco stream.
  • a branch channel 78 is formed Opposite to the air nozzle 77.
  • the mouth of the same forms an outlet opening of the transport shaft 70.
  • the air of the air nozzle 77 leads a portion of the tobacco by cross flow from the transport shaft 70 into the branch channel 78. This leads into a collecting area and is combined with the supplied from the separator 15 tobacco, and indeed on the jacket of the drum 64th
  • an air-permeable boundary is attached, namely an obliquely directed separating screen 79. This prevents the passage of tobacco into the upper region of the classifier housing 16.

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  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)

Abstract

A distributor or hopper is part of a cigarette production machine and serves for dressing the tobacco in the provision of a continuous tobacco strand. An integral part of a distributor is a metering system which prepares the tobacco for the production of the tobacco strand. To separate out undesirable constituents, such as foreign bodies, stalks or ribs, from the tobacco, at least one sifter (15) is provided. The latter precedes the metering system of the distributor in the working direction, in particular is arranged outside the distributor, so that sifted tobacco is introduced into the distributor.

Description

Die Erfindung betrifft eine Vorrichtung gemäß Oberbegriff des Patentanspruchs 1.The invention relates to a device according to the preamble of patent claim 1.

Verteiler bzw. Hopper sind Bestandteil einer Zigarettenherstellmaschine (Maker). Der geschnittene und anderweitig behandelte Tabak wird im Bereich einer (oberen) Schleuse in den Verteiler eingeführt, gelangt über einen Vorverteiler in den Bereich des Dosiersystems. Dieses besteht im Wesentlichen aus einer in besonderer Weise ausgebildeten Dosierwalze, der der Tabak in einem gleichmäßigen Tabakfluss zugeführt wird. Bei Stand der Technik wird im Anschluss an dieses so oder ähnlich ausgebildete Dosiersystem eine Sichtung des Tabaks vorgenommen zur Beseitigung von Bestandteilen mit höherem Eigengewicht, insbesondere Rippen, Stängel und Fremdteile. Danach wird der Tabak einem Strangförderer zugeführt, der einen exakt bemessenen Tabakstrang abtransportiert zur Bildung von Zigaretten ( DE 1 532 213 A ; DE 198 40 143 A1 ). Bei diesen bekannten Vorrichtungen bzw. Verteilern sind Sichter innerhalb des Verteilers als Bestandteil derselben angeordnet. Dadurch kann die Wirkung des Sichtens unzulänglich sein.Distributor or Hopper are part of a cigarette maker (Maker). The cut and otherwise treated tobacco is introduced into the distributor in the area of an (upper) lock, passes through a pre-distributor into the area of the metering system. This consists essentially of a specially designed metering roller, which is fed to the tobacco in a uniform tobacco flow. In the prior art, a sighting of the tobacco is carried out following this or similar trained dosing to eliminate components with higher weight, especially ribs, stems and foreign parts. Thereafter, the tobacco is fed to a strand conveyor, which removes a precisely sized tobacco rod to form cigarettes ( DE 1 532 213 A ; DE 198 40 143 A1 ). In these known devices or distributors, classifiers are arranged within the distributor as part of the same. As a result, the effect of viewing may be inadequate.

Der Erfindung liegt die Aufgabe zugrunde, bei der Verarbeitung von geschnittenem Tabak zur Herstellung von Zigaretten eine optimale bzw. zuverlässige Sichtung des Tabaks zu bewirken, sodass die Leistungsfähigkeit des Verteilers bzw. Hoppers erhöht bzw. eine bessere Qualität des Tabaks erzielt wird.The invention has for its object to provide in the processing of cut tobacco for the production of cigarettes optimal or reliable sighting of the tobacco, so that the performance of the distributor or Hoppers increased or better quality of the tobacco is achieved.

Zur Lösung dieser Aufgabe ist die erfindungsgemäße Vorrichtung nach Maßgabe des Kennzeichens des Anspruchs 1 ausgebildet.To solve this problem, the device according to the invention in accordance with the characterizing part of claim 1 is formed.

Durch die Anordnung eines Sichters als gesondertes, eigenständiges Organ zur Behandlung des Tabaks vor dem Eintritt in den Verteiler bzw. Hopper kann der Sichter auf eine optimale Leistung ausgelegt werden. In den Verteiler/Hopper gelangt nur komplett gesichteter Tabak, sodass innerhalb des Verteilers die (übliche) Weiterverarbeitung des Tabaks erleichtert ist. Die erfindungsgemäße Ausbildung ermöglicht auch die Nachrüstung von Sichtern bei unzulänglicher Qualität der Sichtung bereits installierter Verteiler.By disposing a classifier as a separate, stand-alone organ for treating the tobacco prior to entering the manifold or hopper, the classifier can be designed for optimal performance. The distributor / hopper only gets completely covered Tobacco, so that within the distributor the (usual) further processing of the tobacco is facilitated. The inventive construction also allows the retrofitting of classifiers with inadequate quality of sighting already installed distributor.

Weitere Merkmale der Erfindung betreffen Einzelheiten des auf die Verarbeitung von Tabak ausgerichteten Sichters in der Ausführung als Kegelsichter.Further features of the invention relate to details of the tobacco-oriented classifier in the conical seal design.

Weitere Merkmale der Erfindung werden nachfolgend anhand von Ausführungsbeispielen näher erläutert. Es zeigt:

Fig. 1
einen Verteiler in Seitenansicht,
Fig. 2
eine Einzelheit des Verteilers gemäß Fig. 1, nämlich einen Sichter im Vertikalschnitt II-II der Fig. 1,
Fig. 3
den Verteiler gemäß Fig. 1 im Vertikalschnitt in der Schnittebene III-III der Fig. 1, bei vergrößertem Maßstab,
Fig. 4
eine andere Ausführungsform eines Verteilers im Vertikalschnitt,
Fig. 5
eine Einzelheit V des Verteilers gemäß Fig. 4 in vergrößertem Maßstab,
Fig. 6
eine dritte Ausführungsform eines Verteilers im Vertikalschnitt,
Fig. 7
eine Einzelheit VII des Verteilers gemäß Fig. 6 in vergrößertem Maßstab.
Further features of the invention will be explained in more detail with reference to embodiments. It shows:
Fig. 1
a distributor in side view,
Fig. 2
a detail of the distributor according to Fig. 1 , namely a classifier in vertical section II-II of Fig. 1 .
Fig. 3
according to the distributor Fig. 1 in a vertical section in the sectional plane III-III of Fig. 1 on an enlarged scale,
Fig. 4
another embodiment of a distributor in vertical section,
Fig. 5
a detail V of the distributor according to Fig. 4 on an enlarged scale,
Fig. 6
a third embodiment of a distributor in vertical section,
Fig. 7
a detail VII of the distributor according to Fig. 6 on an enlarged scale.

Die in den Zeichnungen dargestellten Verteiler bzw. Hopper dienen zur Aufbereitung von geschnittenem Tabak. Dieser wird in einem oberen Bereich in den Verteiler eingeführt, nämlich in eine Schleuse 10. Aus dieser wird der Tabak an einen Vorverteiler 11 übergeben. In dessen Bereich findet eine Auflockerung des Tabaks statt. Danach wird der Tabak auf unterschiedliche Weise einem Dosiersystem 12 zugeführt. In dessen Bereich wird ein weitgehend regelmäßiger Tabakstrom 13 erzeugt, der in Aufwärtsrichtung einem Organ zur Erzeugung eines fortlaufenden Tabakstrangs zugeführt, nämlich einem Saugband 14.The distributor or hopper shown in the drawings are used for the preparation of cut tobacco. This is introduced in an upper area in the manifold, namely in a lock 10. From this, the tobacco is transferred to a pre-distributor 11. In the area there is a loosening of the tobacco. Thereafter, the tobacco is supplied to a dosing system 12 in different ways. In its area a largely regular tobacco stream 13 is generated, which is supplied in the upward direction to an organ for producing a continuous tobacco rod, namely a suction belt 14th

Ein wichtiger Bestandteil des Verteilers ist ein Sichter 15. Dieses Organ trennt Bestandteile des Tabaks mit höherem Eigengewicht, insbesondere Rippen, Stängel, aber auch Fremdteile wie Metallteile, Steine etc., vom Tabak. Bei den vorliegenden Verteilern ist ein Sichter 15 jeweils in Förderrichtung des Tabaks vor dem Dosiersystem 12 angeordnet, so dass gesichteter Tabak dem Dosiersystem 12 zugeführt wird.An important part of the distributor is a sifter 15. This organ separates components of the tobacco with higher weight, especially ribs, stems, but also foreign parts such as metal parts, stones, etc., from the tobacco. In the present distributors, a classifier 15 is arranged in each case in the conveying direction of the tobacco in front of the metering system 12, so that tobacco which has been produced is supplied to the metering system 12.

Eine Besonderheit ist der Verteiler gemäß Fig. 1 bis 3. Bei diesem ist der Sichter dem Verteiler bzw. der Schleuse 10 vorgeordnet. Konkret ist der Sichter 15 als separates Organ neben dem Verteiler positioniert, und zwar in einem einen Sichtergehäuse 16. Dieses ist mit dem Verteiler, nämlich einem Verteilergehäuse 17 verbunden. Die so entstehende Einheit ist auf einem gemeinsamen Maschinengestell 18 angeordnet.A special feature is the distributor according to Fig. 1 to 3 , In this, the classifier upstream of the distributor or the lock 10. Concretely, the classifier 15 is positioned as a separate member adjacent to the distributor, in a classifier housing 16. This is connected to the distributor, namely a distributor housing 17. The resulting unit is arranged on a common machine frame 18.

Der anderweitig vorbehandelte, geschnittene Tabak wird dem Sichter 15 zugeführt. Zu diesem Zweck tritt eine Zuführleitung 19 bzw. ein Zuführrohr von oben her in vertikaler Richtung in den Sichter 15 ein. Der innerhalb des Sichters 15 bearbeitete Tabak wird im oberen Bereich des Sichters 15 bzw. des Sichtergehäuses 16 über eine Verbindungsleitung 20, nämlich ein horizontal gerichtetes Rohr, in den Verteiler, und zwar in dessen Schleuse 10 eingeführt.The otherwise pretreated, cut tobacco is fed to the classifier 15. For this purpose, a supply line 19 or a feed tube enters the classifier 15 from above in a vertical direction. The processed within the classifier 15 tobacco is introduced in the upper region of the classifier 15 and the classifier housing 16 via a connecting line 20, namely a horizontally directed pipe, in the manifold, in the lock 10.

Der Sichter 15 gemäß Ausführungsbeispiel der Fig. 1 bis Fig. 3 ist in besonderer Weise ausgebildet, nämlich als (abgewandelter) Kegelsichter. Dieser besteht aus einem aufrechten, vorzugsweise mittig innerhalb des Sichtergehäuses 16 positionierten Leitkörper 21 und einer im Abstand von diesem angeordneten Leitwandung 22. Zwischen Leitkörper 21 und Leitwandung 22 wird ein aufrechter Sichtkanal 23 gebildet, dessen Form durch die Konturen des Leitkörpers 21 einerseits und der äußeren Leitwandung 22 andererseits bestimmt ist. Bei dem vorliegenden besonderen Ausführungsbeispiel ist der Leitkörper 21 kegelförmig ausgebildet, besteht nämlich aus zwei übereinander liegenden Doppelkegeln, die im Bereich einer Querschnittsverengung 24 zu einer Einheit bzw. zu einem gemeinsamen Leitkörper 21 miteinander verbunden sind. Dieser ist oben spitz zulaufend und unten mit einem abgestumpften Ende 25 versehen.The classifier 15 according to the embodiment of the Fig. 1 to Fig. 3 is designed in a special way, namely as (modified) cone sealers. This consists of an upright, preferably centrally positioned within the classifier housing 16 guide body 21 and a spaced therefrom Leitwandung 22. Between the guide body 21 and the guide wall 22 an upright viewing channel 23 is formed, the shape of which by the contours of the guide body 21 on the one hand and the outer Conduit 22 is determined on the other hand. In the present particular embodiment, the guide body 21 is conical, namely consists of two superimposed double cones, which are connected to each other in the region of a cross-sectional constriction 24 to form a unit or to a common guide body 21. This is pointed up and provided at the bottom with a truncated end 25.

Der Leitkörper 21 ist mittig innerhalb des Sichtergehäuses 16 positioniert und von der Leitwandung 22 derart umgeben, dass ein - im Horizontalschnitt gesehen - ringförmiger Sichtkanal 23 gebildet ist, dessen wirksame Querabmessung über die Höhe annähernd gleich ist, und zwar auf Grund Anpassung der Leitwandung 22 an die Konturen des Leitkörpers 21. Die Leitwandung 22 verläuft parallel und mit konstantem Abstand von dem Leitkörper 21.The baffle 21 is positioned centrally within the classifier housing 16 and surrounded by the baffle 22 so that a - seen in horizontal section - annular viewing channel 23 is formed whose effective transverse dimension over the height is approximately equal, due to adaptation of the baffle 22 at the contours of the guide body 21. The guide wall 22 extends parallel and at a constant distance from the guide body 21st

Der Tabak wird über die zentrisch zum Leitkörper 21 und oberhalb desselben angeordnete Zuführleitung 19 in den Sichter 15 eingeführt. Der Tabak bewegt sich auf Grund des Eigengewichts im Bereich des Sichtkanals 23 abwärts, und zwar entlang der Mantelfläche des Leitkörpers 21. Der abwärts gerichteten Bewegung des Tabaks tritt eine von unten zugeführte Luftströmung entgegen. Über eine Luftleitung 26 wird Luft bei erhöhtem Druck in den unteren Bereich des Sichters 15 bzw. des Sichtergehäuses 16 eingeführt. Die Luftleitung 26 mündet in einer unteren Kammer 27 und tritt in Aufwärtsrichtung in das Sichtergehäuse 16 ein. Der untere Bereich der Leitwandung 22 ist luftdurchlässig ausgebildet, nämlich als schräggerichtetes bzw. kegelförmiges Sieb 28. Über diesen siebartigen unteren Bereich der Leitwandung 22 tritt die Luft in einer aufwärt gerichteten Strömung in den Sichtkanal 23 ein und der Abwärtsbewegung des Tabaks entgegen. Der leichte, geschnittene Tabak wird dadurch in Aufwärtsrichtung zurückgedrängt, während auszusondernde Stücke 29 mit höherem Eigengewicht (Stängel, Rippen, Fremdteile) gegen den Luftstrom nach unten absinken. Am unteren Ende des Sichtkanals 23 befindet sich ein Ableitorgan für die Stücke 29, nämlich ein Zellrad 30 mit Ableitung 32.The tobacco is introduced into the classifier 15 via the supply line 19 arranged centrally relative to the guide body 21 and above it. The tobacco moves downwards due to its own weight in the region of the viewing channel 23, along the jacket surface of the guide body 21. The downward movement of the tobacco is counteracted by an air flow supplied from below. Air is introduced at elevated pressure into the lower region of the classifier 15 or of the classifier housing 16 via an air line 26. The air line 26 opens into a lower chamber 27 and enters Upward direction in the classifier housing 16 a. The lower portion of the guide wall 22 is formed permeable to air, as a slanted or conical sieve 28. About this sieve-like lower portion of the guide wall 22 enters the air in an upward flow in the viewing channel 23 and the downward movement of the tobacco. The light, cut tobacco is thereby pushed back in the upward direction, while auszusondernde pieces 29 with higher dead weight (stalks, ribs, foreign parts) fall down against the air flow. At the lower end of the viewing channel 23 is a Ableitorgan for the pieces 29, namely a cellular wheel 30 with discharge 32nd

Der von den auszusondernden Stücken 29 befreite Tabak gelangt in einen Bereich oberhalb des Leitkörpers 21, nämlich in eine Sammelkammer 31 mit erweitertem Querschnitt. Oberhalb derselben schließt die Verbindungsleitung 20 an zur Übergabe des gesichteten Tabaks an den eigentlichen Verteiler. Der Verteiler ist bei diesem Ausführungsbeispiel in besonderer Weise gestaltet durch das Fehlen eines Sichters innerhalb des Verteilers bzw. innerhalb des Verteilergehäuses 17. In der im oberen Bereich gebildeten Schleuse 10 herrscht Unterdruck, so dass in Verbindung mit der Luftströmung im Sichter 15 der Tabak aus der Sammelkammer 31 über die Verbindungsleitung 20 in die Schleuse 10 gelangt. Der Tabak wird portions- bzw. chargenweise dem Sichter 15 und damit dem Verteiler zugeführt. Die im Sichter 15 behandelte Tabakportion wird in der Schleuse 10 gesammelt und dann dem eigentlichen Verteiler zugeführt. Die Schleuse 10 weist eine untere, verschließbare Öffnung auf. Bei dem vorliegenden Ausführungsbeispiel besteht ein Schleusenboden aus zwei schwenkbaren Klappen 33. Diese werden zum Öffnen der Schleuse 10 nach unten verschwenkt. Dadurch gelangt der Gesamtinhalt der Schleuse 10 in den Bereich des Vorverteilers 11.The liberated from the pieces to be discarded 29 tobacco enters an area above the guide body 21, namely in a collecting chamber 31 with extended cross-section. Above the same, the connection line 20 connects to the transfer of the sighted tobacco to the actual distributor. The distributor is designed in this embodiment in a special way by the absence of a classifier within the distributor or within the distributor housing 17. In the upper part of the lock formed 10 is negative pressure, so that in conjunction with the air flow in the separator 15 of the tobacco from the Collection chamber 31 passes via the connecting line 20 into the lock 10. The tobacco is portion or batch the classifier 15 and thus supplied to the distributor. The tobacco portion treated in the classifier 15 is collected in the lock 10 and then fed to the actual distributor. The lock 10 has a lower, closable opening. In the present embodiment, a lock bottom consists of two pivotable flaps 33. These are pivoted to open the lock 10 down. As a result, the entire contents of the lock 10 reaches the area of the pre-distributor 11.

Der Tabak wird im Vorverteiler durch eine schräggerichtete Führungswand 34 Arbeitsorganen zugeführt. Es handelt sich dabei um (drei) Stachelwalzen 35, 36, 37, die auf Grund der Anordnung und Größe den freien Durchfluss des Tabaks nach unten in den Bereich eines trichterförmigen Sammelbehälters 38 steuern. Die Stachelwalzen 35 ... 37 sind mit radial gerichteten Stacheln versehen, die auf Grund ihrer Ausgestaltung und Anordnung ein Auflockern des Tabaks, aber auch ein Führen des Tabakstroms bewirken. Es wird erreicht, dass der Tabak in einem aufgelockerten Tabakfluss in den nach unten sich verjüngenden Sammelbehälter 38 unterhalb des Vorverteilers 11 gelangt. Die Stachelwalzen 35 ... 37 sind dabei so angeordnet, dass eine im Durchmesser größere Stachelwalze 37 und eine kleinere Stachelwalze 36 einander gegenüberliegen und durch wechselseitigen Eingriff von Stacheln eine Barriere für den Tabak bilden. Dieser kann lediglich nach Maßgabe der Drehbewegungen der Stachelwalzen 36, 37 nach unten gelangen. Eine weitere Stachelwalze 35 befindet sich in einem Bereich oberhalb der Stachelwalze 36 und dient der Zuförderung des Tabaks derart, dass dieser überwiegend zur größeren Stachelwalze 37 geleitet wird. Die besonders vorteilhafte Drehrichtung der Stachelwalzen 35, 36, 37 ist jeweils durch Richtungspfeil in Fig. 3 gekennzeichnet.The tobacco is supplied in the pre-distributor by a slanted guide wall 34 work organs. These are (three) spiked rollers 35, 36, 37, which control the free flow of the tobacco downwards into the area of a funnel-shaped collecting container 38 due to the arrangement and size. The spiked rollers 35 ... 37 are provided with radially directed spines, which cause due to their design and arrangement, a loosening of the tobacco, but also a guiding of the tobacco stream. It is achieved that the tobacco in a loosened tobacco flow in the down tapered collecting tank 38 passes below the pre-distributor 11. The spiked rollers 35 ... 37 are arranged so that a larger diameter spiked roller 37 and a smaller spiked roller 36 face each other and form a barrier to the tobacco by mutual engagement of spikes. This can only go down according to the rotational movements of the spiked rollers 36, 37. Another spiked roller 35 is located in an area above the spiked roller 36 and serves to feed the tobacco so that it is mainly conducted to the larger spiked roller 37. The particularly advantageous direction of rotation of the spiked rollers 35, 36, 37 is in each case by directional arrow in Fig. 3 characterized.

Im oberen Bereich trichterförmigen Sammelbehälters, jedenfalls unterhalb des Vorverteilers 11, ist ein Zuförderer - Förderschnecke 39 - angeordnet, der Überschusstabak aus dem Bereich des Tabakstrangs zurückführt in den Sammelbehälter 38. Die Führungswand 34 ist so gestaltet, dass sie der Kontur der Stachelwalze 37 des Vorverteilers 11 folgt und unter Bildung einer Querschnittsverengung 40 im oberen Bereich des Sammelbehälters 38 endet.In the upper area funnel-shaped collecting container, at least below the pre-distributor 11, a feed conveyor - screw conveyor 39 - arranged, the excess tobacco from the tobacco rod area leads back into the collecting container 38. The guide wall 34 is designed so that it matches the contour of the spiked roller 37 of the pre-distributor 11 and ends to form a cross-sectional constriction 40 in the upper region of the collecting container 38 ends.

Aus dem Sammelbehälter 38 wird der Tabak aufwärts gefördert, und zwar durch einen Steilförderer 41. Es handelt sich dabei um einen Endlosförderer, der schräggerichtete Mitnehmer 42 aufweist zum Erfassen jeweils einer Tabakmenge im Bereich eines aufwärtsbewegten Fördertrums 43. Dieser ist gegenüber einer vertikalen Stellung schwach geneigt, und zwar mit einer Schrägstellung von etwa 6°.From the collecting container 38, the tobacco is conveyed upwards, by a vertical conveyor 41. It is an endless conveyor, the oblique driver 42 has for detecting a quantity of tobacco in the region of an upwardly moving conveyor 43. This is slightly inclined relative to a vertical position , with an inclination of about 6 °.

Der Förderer, nämlich Steilförderer 41, wird über Umlenkwalzen in eine abwärtsgerichtete Förderstrecke umgelenkt. In diesem Bereich wird der Tabak an das Dosiersystem 12 übergeben. Der Tabak gelangt dabei in einen im Wesentlichen aufrechten Schacht 44, der den Tabak einer Dosierwalze 45, nämlich einer Stachelwalze, zuführt. Im oberen Eingangsbereich des Schachts 44 befindet sich ein Organ zum Abnehmen des Tabaks vom Steilförderer 41. Es handelt sich dabei um eine Vereinzelungswalze 46, die den Tabak aus den kammartig ausgebildeten Mitnehmern 42 herauskämmt.The conveyor, namely steep conveyor 41, is deflected by deflection rollers in a downward conveying path. In this area, the tobacco is transferred to the dosing system 12. The tobacco passes into a substantially upright shaft 44, which feeds the tobacco to a metering roller 45, namely a spiked roller. In the upper entrance area of the shaft 44 is an organ for removing the tobacco from the vertical conveyor 41. It is a separating roller 46, which combs the tobacco from the comb-like drivers 42.

Im Bereich des Dosiersystems 12 bzw. der Dosierwalze 45 wird der gleichförmige Tabakstrom 13 erzeugt, der über einen aufrechten Förderer, nämlich einen Saugschacht 47, an das Saugband 14 herangeführt wird. Am unteren Ende des Saugschachts 47 ist ein Abförderorgan angeordnet, nämlich eine quergerichtete Förderschnecke 48. Diese hat die Aufgabe, bei einem Maschinenstopp Tabak abzufördern, der sich in diesem Bereich befindet.In the region of the metering system 12 and the metering roller 45, the uniform tobacco stream 13 is generated, which is brought to the suction belt 14 via an upright conveyor, namely a suction chute 47. At the lower end of the suction shaft 47 is arranged a Abförderorgan, namely a transverse auger 48. This has the task to abzufördern at a machine stop tobacco, which is located in this area.

Bei dem Ausführungsbeispiel gemäß Fig. 4, Fig. 5 ist der Sichter 15 innerhalb des Verteilers bzw. innerhalb des entsprechend ausgebildeten Verteilergehäuses 17 untergebracht, und zwar im Anschluss an den Vorverteiler 11. Der ankommende Tabak gelangt unmittelbar in die Schleuse 10 über eine Zuführleitung 49. Unterhalb der Schleuse 10 befindet sich der Vorverteiler 11 in der beschriebenen Ausführung. Der aus diesem Vorverteiler 11 austretende Tabak wird von einem Querförderer 50 aufgenommen, nämlich einem endlosen Fördergurt. Der Querförderer 50 bzw. dessen Obertrum ist in Förderrichtung schwach ansteigend, also unter einem spitzen Winkel gerichtet. Der Querförderer 50 führt zu einer Eintrittsöffnung 51 in den Sichter 15.In the embodiment according to Fig. 4 . Fig. 5 the sifter 15 is housed within the distributor or within the correspondingly designed distributor housing 17, following the pre-distributor 11. The incoming tobacco passes directly into the lock 10 via a supply line 49. Below the lock 10 is the pre-distributor 11 in the described embodiment. The tobacco emerging from this pre-distributor 11 is taken up by a transverse conveyor 50, namely an endless conveyor belt. The cross conveyor 50 or its upper run is slightly rising in the conveying direction, that is directed at an acute angle. The cross conveyor 50 leads to an inlet opening 51 in the sifter 15th

Mit dem Querförderer 50 arbeitet ein Dosierorgan zusammen, und zwar ein Dosierförderer 52, der als endloser Gurt oberhalb des Querförderers 50 positioniert ist, unter einem Winkel zum Querförderer 50. Ein der Eintrittsöffnung 51 zugekehrtes Umlenkende bzw. eine Umlenkwalze 53 des Dosierförderers 52 bildet gegenüber dem Querförderer 50 einen Dosierspalt für den Durchtritt des Tabaks zum Sichter 15. Der Dosierspalt ist verstellbar, und zwar durch Verstellung des Dosierförderers 52. Dessen Umlenkwalze 54 - von der Eintrittsöffnung 51 entfernt liegend - ist ortsfest gelagert, während die gegenüberliegende Umlenkwalze 53 in Aufwärts- und Abwärtsrichtung verstellbar ist. Der Dosierförderer 52 ist demnach um die Umlenkwalze 54 schwenkbar unter Veränderung des mit dem Querförderer 50 definierten Dosierspalts.With the cross conveyor 50, a metering device cooperates, namely a metering conveyor 52, which is positioned as an endless belt above the cross conveyor 50, at an angle to the cross conveyor 50. A the inlet opening 51 facing deflecting end or a guide roller 53 of the metering 52 forms with respect to the The metering gap is adjustable, by adjusting the metering 52. Its guide roller 54 - lying away from the inlet opening 51 - is fixedly mounted, while the opposite guide roller 53 in upwards and Downward direction is adjustable. Accordingly, the dosing conveyor 52 is pivotable about the deflection roller 54, changing the dosing gap defined by the transverse conveyor 50.

Im Bereich der Eintrittsöffnung 51 zum Sichter 15 ist als Förder- und Verteilungsorgan eine Stachelwalze 55 angeordnet.In the region of the inlet opening 51 to the sifter 15, a spiked roller 55 is arranged as conveying and distributing member.

Der Sichter 15 ist ein Zick-Zack-Sichter. Ein aufrechter Sichtkanal 56 ist mehrfach abgewinkelt, also zick-zack-förmig ausgebildet. Zwei parallele Führungswände 57, 58 definieren einen Sichtkanal 56 mit wechselnder Strömungsrichtung. Der Tabak gelangt über die Eintrittsöffnung 51 im Bereich eines schräggerichteten Schenkels der Führungswand 58 in den Sichter 15 bzw. Sichtkanal 56. Dem unter Eigengewicht abwärts gleitenden Tabak tritt von unten her ein Luftstrom entgegen, der unter Aussonderung von Stücken 29 mit höherem Eigengewicht den Tabak nach oben zurückfördert, und zwar über die Eintrittsöffnung 51 hinaus in den Bereich eines (kreisförmigen) Umlenkkanals 59. Es entsteht in diesem Bereich ein Tabakstrom 60 frei von Stücken 29. Dieser Tabakstrom 60 wird dem Dosiersystem 12 zugeführt.The sifter 15 is a zig-zag sifter. An upright viewing channel 56 is angled several times, so zig-zag-shaped. Two parallel guide walls 57, 58 define a viewing channel 56 with changing flow direction. The tobacco passes through the inlet opening 51 in the region of an obliquely directed leg of the guide wall 58 in the sifter 15 and sight channel 56. The self-weight down sliding tobacco occurs from below against an air flow, with the separation of Pieces 29 with a higher dead weight promotes the tobacco back upwards, namely beyond the inlet opening 51 into the region of a (circular) deflection channel 59. A tobacco stream 60 free of pieces 29 is produced in this region. This tobacco stream 60 is fed to the dosing system 12.

Die von unten in den Sichtkanal 56 eingeführte Luft wird durch ein Gebläse bzw. durch einen Lüfter 61 erzeugt (Querstrom-Lüfter). Dieser befindet sich in einem aufrechten Luftkanal 62, der mit dem Sichtkanal 56 ein geschlossenes Kanalsystem bildet. Die Blasluft wird durch den Lüfter 61 über einen bogenförmig umgelenkten Kanalschenkel 63 von unten in den Sichtkanal 56 eingeführt und erzeugt dort die bereits beschriebene Sichtwirkung in Verbindung mit einer aufwärts gerichteten Förderung des Tabaks.The introduced from below into the sight channel 56 air is generated by a fan or by a fan 61 (cross-flow fan). This is located in an upright air channel 62, which forms a closed channel system with the viewing channel 56. The blown air is introduced by the fan 61 via an arcuately deflected channel leg 63 from below into the viewing channel 56 and there generates the visual effect already described in connection with an upward promotion of the tobacco.

In besonderer Weise ist der obere Bereich des Sichters 15 ausgebildet (Fig. 4, Fig. 5). Ein oberer Bereich des Luftkanals 62 führt zu einem Luftanschluss bzw. zu einer luftdurchlässigen, insbesondere als Sieb ausgebildeten Trommel 64. Diese ist drehbar und konzentrisch in dem kreisförmigen Umlenkkanal 58 positioniert. Die Trommel 64 ist in Förderrichtung des Tabaks bzw. des Tabakstroms 60 drehend angetrieben. Die Luft wird durch den Lüfter 61 über den Sichtkanal 56 in die luftdurchlässige Trommel 64 gesaugt und sodann über den Luftkanal 62 und den Kanalschenkel 63 unten in den Sichtkanal 56 eingeführt.In a special way, the upper region of the classifier 15 is formed ( Fig. 4 . Fig. 5 ). An upper region of the air channel 62 leads to an air connection or to an air-permeable, in particular designed as a sieve drum 64. This is rotatably and concentrically in the circular deflection channel 58 is positioned. The drum 64 is rotatably driven in the conveying direction of the tobacco or the tobacco stream 60. The air is drawn through the fan 61 via the viewing channel 56 into the air-permeable drum 64 and then introduced via the air channel 62 and the channel leg 63 down into the viewing channel 56.

Der verhältnismäßig leichte Tabak wird nach Verlassen des Sichtkanals 56 auf Grund der gleichgerichteten Luftströmung an einer kreisförmigen Wandung des Umlenkkanals 59 entlanggeführt. Der Tabakstrom 60 liegt dabei auf Grund von Fliehkräften an der Wandung des Umlenkkanals 59 an. In einem nach unten gerichteten Bereich desselben ist die insgesamt luftdurchlässige Trommel 64 durch ein feststehendes Innensegment 65 gegen Luftdurchtritt abgedichtet, so dass in diesem Bereich geringerer Fliehkräfte eine Anlage des Tabakstroms 60 an der Trommel 64 vermieden wird.The relatively light tobacco is guided along after leaving the viewing channel 56 due to the rectified air flow on a circular wall of the Umlenkkanals 59. The tobacco stream 60 is due to centrifugal forces on the wall of the Umlenkkanals 59 at. In a downwardly directed region thereof, the total air-permeable drum 64 is sealed by a fixed inner segment 65 against the passage of air, so that in this area lesser centrifugal forces conditioning of the tobacco stream 60 is avoided on the drum 64.

Der Tabak bzw. Tabakstrom 50 gelangt im Anschluss an den Umlenkkanal 59 in den Bereich einer Zellradschleuse 66 als Förder- und Abdichtorgan gegenüber dem Unterdruckbereich des Sichters 15. Der Tabak wird durch die Zellradschleuse 66 an einen Schrägkanal 67 übergeben, der zu der am Eingang des Schachts 44 angeordneten Vereinzelungswalze 46 führt. Damit gelangt der Tabak in den Bereich des Dosiersystems 12, welches hier in gleicher Weise ausgebildet ist wie bei dem Ausführungsbeispiel der Fig. 3.The tobacco or tobacco stream 50 passes following the deflection channel 59 in the region of a rotary valve 66 as conveying and sealing member relative to the negative pressure region of the classifier 15. The tobacco is passed through the rotary valve 66 to a helical channel 67, which to the at the entrance of Shaft 44 arranged singling roller 46 leads. Thus, the tobacco reaches the area of the dosing system 12, which is formed here in the same way as in the embodiment of Fig. 3 ,

Bei dem Ausführungsbeispiel gemäß Fig. 6 und Fig. 7 ist der Sichter 15 ebenfalls innerhalb des Verteilers bzw. innerhalb des Verteilergehäuses 17 untergebracht. Der Tabak wird - wie bei dem Beispiel der Fig. 4 - unmittelbar der Schleuse 10 zugeführt und von dieser an den Vorverteiler 11 übergeben. Von hier gelangt der Tabak in den Bereich des unterhalb des Vorverteilers 11 angeordneten Sammelbehälters 38. Diesem wird der Tabak durch einen Aufwärtsförderer 68 - in Aufbau und Funktion dem Steilförderer 41 der Fig. 3 vergleichbar - nahezu über die gesamte Höhe des Verteilers transportiert. Im Anschluss an eine obere Umlenkung des Aufwärtsförderers 68 bzw. eines Fördertrums 69 wird der Tabak in einen abwärts gerichteten, aufrechten bzw. vertikalen Transportschacht 70 übergeben. Die sichere Abnahme des Tabaks vom Aufwärtsförderer 68 wird durch eine Vereinzelungswalze 71 bewirkt, die den Tabak aus den Mitnehmern 42 des Aufwärtsförderers 68 auskämmt.In the embodiment according to Fig. 6 and Fig. 7 the sifter 15 is also housed within the distributor or within the distributor housing 17. The tobacco will - as in the example of Fig. 4 - Directly supplied to the lock 10 and passed from this to the pre-distributor 11. From here, the tobacco enters the area of the arranged below the pre-manifold 11 collecting container 38. This is the tobacco by an upward conveyor 68 - in construction and function of the steep conveyor 41 of Fig. 3 comparable - transported almost over the entire height of the distributor. Following an upper deflection of the upward conveyor 68 or a conveying run 69, the tobacco is transferred into a downwardly directed, vertical or vertical transport shaft 70. The safe removal of the tobacco from the upward conveyor 68 is effected by a separating roller 71, which combs the tobacco from the drivers 42 of the upward conveyor 68.

Der Transportschacht 70 führt in Vertikalrichtung unmittelbar zum Sichter 15 bzw. der Sichter 15 schließt an den Transportschacht 70 an. Der Sichter 15 ist auch bei diesem Ausführungsbeispiel als Zick-Zack-Sichter ausgebildet mit einem entsprechenden Sichtkanal 56, der von abgewinkelten, parallelen Führungswänden 57, 58 begrenzt ist. Am oberen Eintrittsende des Sichtkanals 56 ist auch hier eine Bearbeitungswalze 72 angeordnet, die einerseits eine Auflockerung des Tabaks bewirkt und andererseits den Bereich des Sichters mit erhöhtem Luftdruck gegenüber dem vorhergehenden Bereich - Transportschacht - abgrenzt.The transport shaft 70 leads in the vertical direction directly to the sifter 15 or the sifter 15 connects to the transport shaft 70 at. The classifier 15 is also formed in this embodiment as a zig-zag classifier with a corresponding viewing channel 56 which is bounded by angled, parallel guide walls 57, 58. At the upper inlet end of the viewing channel 56, a processing roller 72 is arranged here, which on the one hand causes a loosening of the tobacco and on the other hand, the area of the classifier with increased air pressure compared to the previous area - transport shaft - delimits.

Dem Sichtkanal 56 wird von unten her Luft zugeführt, die nach oben strömt und innerhalb des Sichtkanals 56 den Tabak aufwärts fördert, die Stücke 29 aber wegen des höheren Eigengewichts nach unten sinken lässt. Dort erfolgt ein Abtransport mittels quergerichteter Schnecke 73. Die Luftströmung wird im unteren Bereich, unmittelbar benachbart zum unteren Ende des Sichtkanals 56 erzeugt, und zwar durch einen Lüfter 74. Dieser ist in einem Gehäuse als Teil eines aufrechten Luftkanals 75 angeordnet. Am oberen Ende dieses Luftkanals 75 ist wiederum eine luftdurchlässige Trommel 64 gelagert, die in Pfeilrichtung drehend angetrieben ist. Es entsteht so auch bei diesem Ausführungsbeispiel ein Luftumlauf. Die in den Sichter bzw. Sichtkanal 56 unten eingeführte Luft transportiert den Tabak in den Bereich der Trommel 64. Hier legt sich der Tabak an den Außenmantel der luftdurchlässigen Trommel 64 an und wird durch diese transportiert zur Übergabe an einen Zwischenkanal 76. An diesem wiederum schließt das im Prinzip bereits beschriebene Dosiersystem 12 an mit Vereinzelungswalze 46 und Schacht 44.The sight channel 56 is supplied from below air, which flows upwards and promotes tobacco within the viewing channel 56 upwards, but leaves the pieces 29 sink down because of the higher weight. The air flow is generated in the lower region, immediately adjacent to the lower end of the viewing channel 56, by a fan 74. This is arranged in a housing as part of an upright air channel 75. At the upper end of this air channel 75 in turn an air-permeable drum 64 is mounted, which is driven in rotation in the arrow direction. It thus arises in this embodiment, an air circulation. The in the classifier or sight channel 56 below introduced air transports the tobacco in the area of the drum 64. Here, the tobacco attaches to the outer shell of the air-permeable drum 64 and is transported through this for transfer to an intermediate channel 76. This in turn includes the already described in principle metering 12 with Separation roller 46 and shaft 44.

Eine Besonderheit ist der obere Bereich des Sichters 15 mit einer Vorsichtung des Tabaks. In einem in Förderrichtung dem Sichter 15 vorgeordneten Bereich, nämlich im Transportschacht 70, wird seitlich Luft eingeführt. Hierzu ist neben dem Transportschacht 70 eine Luftdüse 77 angeordnet und so gerichtet, dass Luft in Querrichtung (Pfeil in Fig. 7) in den Transportschacht 70 und damit in den Tabakstrom gerichtet wird.A special feature is the upper portion of the classifier 15 with a caution of the tobacco. In a direction upstream of the classifier 15 in the conveying direction, namely in the transport shaft 70, air is introduced laterally. For this purpose, an air nozzle 77 is arranged next to the transport shaft 70 and directed so that air in the transverse direction (arrow in Fig. 7 ) is directed into the transport shaft 70 and thus into the tobacco stream.

Gegenüberliegend zur Luftdüse 77 ist ein Abzweigkanal 78 gebildet. Die Mündung desselben bildet eine Austrittsöffnung des Transportschachts 70. Die Luft der Luftdüse 77 führt einen Teil des Tabaks durch Querströmung aus dem Transportschacht 70 in den Abzweigkanal 78. Dieser führt in einen Sammelbereich und wird mit dem aus dem Sichter 15 zugeführten Tabak vereinigt, und zwar auf den Mantel der Trommel 64.Opposite to the air nozzle 77, a branch channel 78 is formed. The mouth of the same forms an outlet opening of the transport shaft 70. The air of the air nozzle 77 leads a portion of the tobacco by cross flow from the transport shaft 70 into the branch channel 78. This leads into a collecting area and is combined with the supplied from the separator 15 tobacco, and indeed on the jacket of the drum 64th

Oberhalb der Trommel 64 ist eine luftdurchlässige Abgrenzung angebracht, nämlich ein schräggerichtetes Trennsieb 79. Dieses verhindert den Durchtritt von Tabak in den oberen Bereich des Sichtergehäuses 16.Above the drum 64, an air-permeable boundary is attached, namely an obliquely directed separating screen 79. This prevents the passage of tobacco into the upper region of the classifier housing 16.

Die gezeigten Ausführungsbeispiele mit in besonderer Weise gestalteten Sichtern ermöglicht eine höchst wirksame Trennung der unerwünschten Bestandteile aus dem Tabak durch eine kompakte Bauweise und hohem Wirkungsgrad.The embodiments shown with specially designed classifiers allows a highly effective separation of the undesirable components from the tobacco by a compact design and high efficiency.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

1010
Schleuselock
1111
Vorverteilerpreliminary distributor
1212
Dosiersystemdosing
1313
Tabakstromtobacco stream
1414
Saugbandsuction belt
1515
Sichtersifter
1616
Sichtergehäuseclassifier
1717
Verteilergehäusedistributor housing
1818
Maschinengestellmachine frame
1919
Zuführleitungfeed
2020
Verbindungsleitungconnecting line
2121
Leitkörperconducting body
2222
Leitwandungguide wall
2323
Sichtkanalviewing channel
2424
QuerschnittsverengungCross-sectional narrowing
2525
EndeThe End
2626
Luftleitungair line
2727
Kammerchamber
2828
Siebscree
2929
Stückpiece
3030
Zellradbucket wheel
3131
Sammelkammerplenum
3232
Ableitungderivation
3333
Klappeflap
3434
Führungswandguide wall
3535
Stachelwalzespiked roller
3636
Stachelwalzespiked roller
3737
Stachelwalzespiked roller
3838
SammelbehälterClippings
3939
FörderschneckeAuger
4040
QuerschnittsverengungCross-sectional narrowing
4141
Steilförderervertical conveyor
4242
Mitnehmertakeaway
4343
Fördertrumconveying
4444
Schachtshaft
4545
Dosierwalzemetering
4646
Vereinzelungswalzeseparating roller
4747
Saugschachtsuction well
4848
FörderschneckeAuger
4949
Zuführleitungfeed
5050
Querförderercross conveyor
5151
Eintrittsöffnunginlet opening
5252
Dosierförderermetering conveyor
5353
Umlenkwalzedeflecting
5454
Umlenkwalzedeflecting
5555
Stachelwalzespiked roller
5656
Sichtkanalviewing channel
5757
Führungswandguide wall
5858
Führungswandguide wall
5959
Umlenkkanaldiversion channel
6060
Tabakstromtobacco stream
6161
LüfterFan
6262
Luftkanalair duct
6363
Kanalschenkelchannel leg
6464
Trommeldrum
6565
Innensegmentinterior segment
6666
Zellradschleuserotary valve
6767
Schrägkanaloblique channel
6868
Aufwärtsfördererupward conveyor
6969
Fördertrumconveying
7070
Transportschachttransport shaft
7171
Vereinzelungswalzeseparating roller
7272
Bearbeitungswalzeprocessing roller
7373
Schneckeslug
7474
LüfterFan
7575
Luftkanalair duct
7676
Zwischenkanalintermediate channel
7777
Luftdüseair nozzle
7878
Abzweigkanalbranch channel
7979
Trennsiebseparating screen

Claims (5)

  1. Device for the dressing of fibrous material for further processing, in particular distributor - which is known as a hopper - for the dressing of cut tobacco in the production of cigarettes, it being possible for the tobacco to be introduced into the distributor and treated within the latter by loosening up, the elimination of (tobacco) lumps and sifting for the separation of constituents (29) having a higher dead weight, such as foreign bodies, ribs and stalks, in order to form a tobacco strand with the aid of a metering system (12), characterized by the following features:
    a) at least one sifter (15) precedes the distributor in the direction of movement of the tobacco,
    b) the sifter (15) is disposed as a separate member outside the distributor,
    c) the supplied tobacco can be conducted through the sifter (15) completely in such a way that solely tobacco treated by sifting can be introduced into the distributor.
  2. The device according to Claim 1, characterized in that the sifter (15), designed as a cone-type sifter, is arranged in a separate sifter housing (16) and is connected to the distributor to form an apparatus unit, preferably on a common machine stand (18).
  3. The device according to Claim 1 or 2, characterized by the following features:
    a) the tobacco can be supplied to the sifter (15) via a supply line (19) issuing vertically and centrally in the sifter (15),
    b) the treated tobacco can be introduced from the sifter housing (16) directly into the distributor, in particular by means of a horizontal connecting line (20) which issues in the region of a lock (10) in the distributor.
  4. The device according to Claim 1 or 2, characterized by the following features:
    a) the sifter (15), designed as a cone-type sifter, is arranged in a cylindrical sifter housing (16),
    b) an upright guide body (21) in the geometrical form of two double cones arranged one above the other is arranged centrally within the sifter housing (16),
    c) the guide body is surrounded by a guide wall (22) of circular cross section which runs at a distance from an outer surface area of the guide body (21) and which forms with the guide body (21) a wavy or zigzag-shaped sifting duct (23).
  5. The device according to Claim 4, characterized by the following features:
    a) the oncoming tobacco can be introduced into the sifter (15) via an upright or vertical supply line (19) centrally above the guide body (21),
    b) upwardly flowing air supplied from below guides the tobacco into the region of a collecting space formed above the guide body (21), namely into a collecting chamber (31),
    c) the tobacco can be supplied from the collecting chamber (31) to the distributor or to a predistributor (11) via a connecting line (20).
EP03769456A 2002-10-31 2003-10-25 Device for processing tobacco during the production of cigarettes Revoked EP1562451B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10251210 2002-10-31
DE10251210A DE10251210A1 (en) 2002-10-31 2002-10-31 Device for preparing tobacco in the manufacture of cigarettes
PCT/EP2003/011870 WO2004039182A2 (en) 2002-10-31 2003-10-25 Device for processing tobacco during the production of cigarettes

Publications (2)

Publication Number Publication Date
EP1562451A2 EP1562451A2 (en) 2005-08-17
EP1562451B1 true EP1562451B1 (en) 2008-12-10

Family

ID=32115170

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03769456A Revoked EP1562451B1 (en) 2002-10-31 2003-10-25 Device for processing tobacco during the production of cigarettes

Country Status (8)

Country Link
US (1) US7584758B2 (en)
EP (1) EP1562451B1 (en)
JP (1) JP2006504420A (en)
AT (1) ATE416637T1 (en)
AU (1) AU2003278141A1 (en)
DE (2) DE10251210A1 (en)
PL (1) PL206422B1 (en)
WO (1) WO2004039182A2 (en)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN104043591A (en) * 2014-06-06 2014-09-17 新乡东方工业科技有限公司 Cut stem separator of protos cigarette shaping system

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ITBO20030124A1 (en) † 2003-03-06 2004-09-07 Gd Spa METHOD AND MACHINE FOR THE PACKAGING OF CIGARETTES
ITBO20040358A1 (en) * 2004-06-04 2004-09-04 Gd Spa CIGARETTE PACKAGING MACHINE
DE102004031935A1 (en) * 2004-06-26 2006-01-12 Hauni Primary Gmbh Separating device for separating tobacco fibers flowing through a flow path
JP4822462B2 (en) * 2006-02-14 2011-11-24 日本たばこ産業株式会社 Cigarette production machine
IT1398602B1 (en) * 2009-02-26 2013-03-08 Gd Spa POWER SUPPLY UNIT OF A TOBACCO PARTICLE FLOW IN A CIGARETTE PACKAGING MACHINE.
DE102010007593A1 (en) * 2010-02-04 2011-08-04 Hauni Maschinenbau AG, 21033 Viewing means for viewing a product flow within a distributor device
DE102010029243A1 (en) * 2010-05-21 2011-11-24 Hauni Maschinenbau Ag Apparatus and method for feeding ground or cut tobacco material to a portioning device
CN103126067B (en) * 2013-02-28 2015-04-08 山东中烟工业有限责任公司 Device for offline and online screening of cut tobacco from removed stem slivers of cigarette maker
US10399712B2 (en) 2013-12-26 2019-09-03 Altria Client Services Llc Slide measuring system for filling pouches and associated method
DE102015001606B3 (en) * 2015-02-09 2016-02-18 Ralf Stöcker Method and device for producing film cigarettes, film cigarillos or the like, in particular with a filter segment in the transverse process
DE102015001618A1 (en) 2015-02-09 2016-08-11 Ralf Stöcker Method and device for producing a rod-shaped article made of vegetable foil
WO2017019997A1 (en) 2015-07-30 2017-02-02 Altria Client Services Llc Slide measuring system for filling pouches and associated method
CN105310105B (en) * 2015-12-04 2017-08-29 龙岩烟草工业有限责任公司 The flexible wire feeder and method of feed system of cigarette making machine
WO2020054714A1 (en) * 2018-09-12 2020-03-19 日本たばこ産業株式会社 System for feeding granulated substance and feeding method used therein
CN109123748B (en) * 2018-11-01 2023-12-01 四川三联新材料有限公司 Ordered feeding device for strip-shaped materials and cigarette system

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GB378143A (en) * 1931-06-20 1932-08-11 Imp Tobacco Co Ltd Improved apparatus for removing dust or small particles from cut tobacco for use in cigarette making machinery
DE1532213A1 (en) * 1966-12-09 1970-03-12 Hauni Werke Koerber & Co Kg Tobacco distributor with rib separator
DE4206054C2 (en) * 1991-03-06 2002-11-28 Hauni Werke Koerber & Co Kg Method and device for producing a tobacco rod
DE19508139A1 (en) 1995-03-08 1996-09-12 Hauni Maschinenbau Ag Device for removing excess process air from a distributor of a tobacco processing machine
JP2957173B1 (en) 1998-08-14 1999-10-04 日本たばこ産業株式会社 Tobacco feeder for cigarette making machine
DE19840143A1 (en) * 1998-09-03 2000-03-09 Hauni Maschinenbau Ag Sifter for line of cigarette-tobacco consists of preliminary and subsequent sifters, with falling and rising chutes joined by two tobacco sluices and wedge
DE19957993B4 (en) 1999-12-02 2004-07-22 Bückmann GmbH Cone sifter and method for sifting restricted or non-pourable bulk material and support strut
DE29924015U1 (en) * 1999-12-02 2002-01-24 Bückmann GmbH Sieb- und Separationstechnik, 41238 Mönchengladbach Cone classifier for classifying restricted or not pourable bulk material
DE10140309A1 (en) 2001-08-16 2003-02-27 Hauni Maschinenbau Ag Rod-like filler building apparatus, for cigarette making machine, includes sifter arranged to supply constituent such as shreds of tobacco leaf laminate, and air towards metering device

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Publication number Priority date Publication date Assignee Title
CN104043591A (en) * 2014-06-06 2014-09-17 新乡东方工业科技有限公司 Cut stem separator of protos cigarette shaping system

Also Published As

Publication number Publication date
US7584758B2 (en) 2009-09-08
WO2004039182A2 (en) 2004-05-13
JP2006504420A (en) 2006-02-09
DE10251210A1 (en) 2004-05-19
PL206422B1 (en) 2010-08-31
EP1562451A2 (en) 2005-08-17
ATE416637T1 (en) 2008-12-15
PL374905A1 (en) 2005-11-14
AU2003278141A1 (en) 2004-05-25
DE50310914D1 (en) 2009-01-22
AU2003278141A8 (en) 2004-05-25
US20060096606A1 (en) 2006-05-11
WO2004039182A3 (en) 2004-09-02

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