EP1448070B1 - Method and device for producing filter cigarettes - Google Patents

Method and device for producing filter cigarettes Download PDF

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Publication number
EP1448070B1
EP1448070B1 EP02787627A EP02787627A EP1448070B1 EP 1448070 B1 EP1448070 B1 EP 1448070B1 EP 02787627 A EP02787627 A EP 02787627A EP 02787627 A EP02787627 A EP 02787627A EP 1448070 B1 EP1448070 B1 EP 1448070B1
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EP
European Patent Office
Prior art keywords
rods
segment
filter
troughs
main cylinder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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EP02787627A
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German (de)
French (fr)
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EP1448070A1 (en
Inventor
Heinz Focke
Frank Beckmann
Christina Kunig
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Focke and Co GmbH and Co KG
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Focke and Co GmbH and Co KG
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Publication of EP1448070A1 publication Critical patent/EP1448070A1/en
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    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24CMACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/47Attaching filters or mouthpieces to cigars or cigarettes, e.g. inserting filters into cigarettes or their mouthpieces
    • A24C5/471Attaching filters or mouthpieces to cigars or cigarettes, e.g. inserting filters into cigarettes or their mouthpieces by means of a connecting band
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24CMACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/47Attaching filters or mouthpieces to cigars or cigarettes, e.g. inserting filters into cigarettes or their mouthpieces
    • A24C5/478Transport means for filter- or cigarette-rods in view of their assembling

Definitions

  • the invention relates to a method for producing filter cigarettes from tobacco sticks, which are severed during transport centrally to form sub-sticks, wherein the sub-parts moved apart, connected to a filter piece by tipping paper and thus formed cigarette units are cut centrally in the region of the filter piece. Furthermore, the invention relates to a device for carrying out the method.
  • the manufacture or completion of filter cigarettes takes place in the area of a filter attachment machine. This has a number of drums with circumferentially arranged wells. In the area of these drum troughs, the aforementioned process steps for the production of the filter cigarettes are carried out.
  • a drum for the handling of outside of the drum severed tobacco sticks, so for handling of sub-sticks.
  • On the circumference of the drum formed units are each formed of two segment troughs, which are displaceable in the axial direction, namely until they abut each other on the one hand and on the other.
  • the segment troughs each contain a partial stock.
  • the distance of the segment troughs from each other in the corresponding end position of the sliding segments is chosen so that a filter piece can be inserted into the gap.
  • the spaced part blocks are removed from the drum and provided outside the area thereof with the filter piece.
  • the invention has for its object to improve the production of filter cigarettes by better matched process steps and by a correspondingly adapted device.
  • the peculiarity of the invention is therefore that the predominant work steps are carried out in the area of a single conveying member, namely in the region of a main drum. Because of the particular steps involved in the application of the tipping paper, the elements of the cigarettes for the attachment of the tipping paper from the main drum are removed, but then returned to this.
  • Further measures of the invention relate to possibilities of adapting the main drum with respect to the functionally affected organs to different dimensions of the filter cigarettes to be produced, in particular with regard to the length of the filters.
  • the apparatus shown schematically in Fig. 1 is part of a cigarette making machine.
  • the central element is a main drum 10. This is associated with several auxiliary drums, which lead parallel to the axis up to the circumference of the main drum 10. It is a feed drum 11, a filter drum 12, a return drum 13 and a removal drum 14.
  • the individual production phases are shown symbolically and associated with the respective areas of the main drum 10 and other conveying organs.
  • tobacco rods 15 separated from a tobacco rod are transferred to the main drum 10 by the feed drum 11.
  • the tobacco sticks 15 have already been severed in the middle in a previous working stroke to form two equally long part pieces 16, 17. These are first transported into troughs 18 of the feed drum 11 and then from troughs of the main drum 10, namely segment troughs 19, 20, accepted.
  • the sub-sticks 16, 17 are moved apart in the axial direction to form a gap between the two sub-sticks 16, 17 (Fig. 5, Fig. 6). In this gap, a (double-length) filter piece 21 is inserted. This is prepared separately and fed through the likewise provided with wells 18 filter drum 12 to the circumference of the main drum 10.
  • a special feature of the device is that the filter pieces 21 only in the vicinity of the main drum 10 and filter drum 12 in the segment troughs 19, 20 of the main drum 10 occur.
  • the filter drum 12 takes each associated sub-sticks 16, 17 together with a filter piece 21 again from the main drum 10, transported these parts to the transfer to a conveyor, not shown in detail.
  • the partial sticks 16, 17 are first brought into contact with the associated filter piece 21.
  • the connection between these elements is made by a tipping paper 22 which is to be connected to each other Parts are laid around.
  • cigarette units 23 are conveyed by the return drum 13 back to the main drum 10 and stored in the segment troughs 19, 20.
  • a separating cut is made centrally in the area of the filter pieces 21 by a separating knife 24 associated with the main drum 10.
  • (finished) filter cigarettes 25 are formed with filters 26 facing each other.
  • the filter cigarettes 25 are - by increasing the distance from each other - further transported by the main drum 10 to the discharge drum 14, which takes the filter cigarettes 25 pairs and ab responsiblet.
  • the emptied segment troughs 19, 20 are now free for receiving the tobacco sticks 15.
  • the main drum 10 is formed in a special way, namely arranged on the outer circumference, axially parallel movable supports for the wells, namely sliding segments 27, 28 which are assigned in pairs to each other.
  • the sliding segments are slidably mounted on support rods 29 and are controlled in particular by arranged within the main drum 10 curves.
  • a circumferential ring segment 30 is attached as immovable organ.
  • the support rods 29 are connected to the segment ring 30.
  • the sliding segments 27, 28 have a number of juxtaposed segment troughs 19, 20, which are arranged at a small distance from each other and rectified.
  • the segment troughs 19, 20 have bores 31, which are connected to a vacuum source, so that in the troughs or segment troughs 19, 20 there is a negative pressure for fixing the tobacco rods 15 or cigarette units 23 or filter cigarettes 25.
  • Die Segmentmulden 19, 20 find in a continuation in annular recesses 32 in the segment ring 30.
  • sliding segments 27, 28 results in continuous wells (Fig. 3, below), for example, for receiving tobacco rods 15 and Operastöcken 16, 17.
  • the annular grooves 32nd are provided with holes 33 which are connected to a vacuum source and - regardless of the holes 31 - can be acted upon with suction.
  • the filter pieces 21 are applied and fixed in the region of the segment ring 30 to the circumference of the main drum 10. Furthermore, in the region of the segment ring 30, the separating cut is carried out by the separating knife 24.
  • the segment ring 30 has for this purpose a central groove 34 into which the separating knife 24 enters when performing the separating cut.
  • the sliding segments 27, 28 permit the (groupwise) displacement of elements for the production of the filter cigarettes 25, namely first the moving apart of the sub-sticks 16, 17 ( Figure 3) and then the moving apart of the filter cigarettes (Figure 7).
  • the distance of the sliding segments 27 28 from each other determines the gap between the part blocks 16, 17 and filter cigarettes 25th
  • a special feature is that during transport of the sections 16 and 17 with filter piece 21 and the cigarette units 23 formed outside the range of the main drum 10, namely above the same, the moving apart sliding segments 27 again at a smaller distance from each other or until the investment on Segment ring 30 are moved back, ie in the position shown in FIG. 7, above. In this position, the finished cigarette units 23 can again be placed on the sliding segments 27, 28.
  • a special feature is the adaptability of the device to different dimensions of the filter pieces 21 or filter 26 or the sub-sticks 16, 17 without conversion of the main drum or a transmission.
  • the procedure is such that the parts resting in the segment troughs 19, 20, in particular partsticks 16, 17, are moved against stops which determine the relative position corresponding to the respective dimensions of the processed elements.
  • the sliding segments 27, 28 are geared to a format-independent movement amplitude set this corresponds to a maximum dimension of filter cigarettes 25.
  • the resting in the segment troughs 19, 20 parts are stopped due to adjustable spacers regardless of the movement of the sliding segments 27, 28 at the correct position.
  • the spacers are in this embodiment (cylindrical) spacer bolts 35, which enter from both sides into the wells, namely segment troughs 19, 20 of the sliding segments 27, 28.
  • the equally spaced spacer bolts 35 arranged on both sides of the main drum 10 lie equiaxially to the segment depressions 19 and, upon movement of the sliding segments 27, 28, enter the segment depressions 19 outwardly.
  • End surfaces of the sub-sticks 16, 17 run against the ends of the spacer bolts 35 and are held in the desired relative position with continued movement of the sliding segments 27, 28 ( Figure 3, top). This position of the sub-sticks 16, 17 results in a gap formed between them in accordance with the length of the filter piece 21st
  • a format change is carried out without replacement of the spacer pin 35 itself, but by changing the relative position of the same in the axis-parallel direction.
  • the spacer bolts 35 are connected for this purpose on both sides of the main drum 10 with support rings 36. These in turn are slidably attached to outer race rings 37 as part of a support frame of the main drum 10.
  • the support rings 36 can be adjusted. By inserting a spacer 38 between the support ring 36 and the fixed ring 37 results in an axial adjustment of the spacer pin 35th Fig. 3, right shows a position with shorter sections 16, 17 or shorter filter pieces 21, while Fig. 3, left, the longer version , namely larger gaps between the sections 16, 17 allows.
  • the spacer bolts 35 are disturbing in the promotion of filter cigarettes 25 in the segment troughs 19, 20, since the filter cigarettes 25 must be brought to a relatively large distance from each other (Fig. 7, bottom).
  • the segment troughs 19, 20 of the main drum 10 are arranged with a small, minimum distance from each other, which corresponds to half the distance of the troughs 18 on feed drum 11, filter drum 12, return drum 13 and discharge drum 14.
  • the relative position of the conveying elements is selected such that the tobacco sticks 15 or sub-sticks 16, 17 are inserted into first segment cavities 19.
  • These first segment troughs 19 are assigned in spaced corresponding spacer bolts 35.
  • the second segment wells 20 remain free in this region of the main drum 10 (FIG. 3).
  • the spacer bolts 35 advantageously have a particular cross-section, which results from FIG. 2.
  • the spacer bolts 35 which are round in cross-section, have a larger cross-section than the diameter of the segment recess 19, 20 in order to better support the part-rods 16, 17.
  • the lower cross-sectional area entering the troughs is provided with a semicircular recess 39 such that the spacer pins 35 extend within the troughs at a distance from the circular bottom of the troughs.
  • FIGS. 8a to 13b A particular alternative for the easier adaptability of the device to different cigarette formats is shown in FIGS. 8a to 13b.
  • the aim is to change the relative position of the sliding segments 27, 28 in their starting position, with the proviso that, given constant amplitudes of movement, different end positions of the sliding segments 27, 28 are accommodated with adaptation to the respective cigarette format.
  • the graphic representation is selected so that Fig. 8a, Fig. 9a .... respectively in juxtaposition a sliding segment 27, 28 for cigarettes of different lengths in different positions, while Fig. 8b, Fig. 9b .... the selected position of the sliding segments 27, 28 corresponding position on the main drum 10, so the respective associated phase of the production show schematically.
  • 8a to 10a show phases in the region between the feed drum 11 and the filter drum 12
  • FIGS. 11a to 13a show the direction of the return drum 13 show the following manufacturing section until the provision of the sliding segments 27, 28 in the region of the feed drum 11.
  • the sliding segments 27, 28 are controllable by a control cam or control groove 40 with respect to the movement.
  • a continuous track control groove 40 enters a connected to the sliding segment 27, 28 feeler a, namely a roller 41.
  • This is connected via a tension and pressure member, namely via a rod 42, with the sliding segment 27, 28.
  • the sliding segment 27, 28 is adjustable relative to the rod 42, to provide a different starting position.
  • FIG. 8a, FIG. 9a shows an alternative for the processing of shorter filter pieces 21, ie an alternative in which a smaller gap is created between the partial blocks 16, 17.
  • This is achieved in that in the initial position (FIG. 8a, top) the sliding segments 27, 28 are already displaced in the direction of the end position. This is achieved by means of a spacer 27 inserted between the sliding segment 27, 28 on the one hand and the segment ring 30. This causes the sliding segment 27, 28 to be at a distance from the segment ring 30 in the initial position, ie already a first movement section in the direction of the lateral end position has completed.
  • the sliding segments 27, 28 are also displaced relative to the uniformly long rod 42, namely by compressing the compression spring 45.
  • the tobacco sticks 15 or sub-sticks 16, 17 are - regardless of the length of the filter piece 21 - always inserted in the same position, namely in the middle of the segment ring 30.
  • the movement process for the respective lower example of the drawing begins, ie without spacer 46, directly, because the movement of the rod 42 is transmitted directly to the sliding segment 27, 28.
  • the spacer 46 the free space within the recess 44 is first overcome during the movement of the rod 42 until the head 43 abuts the end wall of the recess 44 (FIG. 9a, top).
  • the axis-parallel displacement of the sliding segment 27, 28, in the end position of FIG. 10a This corresponds to the position of the sub-sticks 16, 17 for inserting the filter piece 21.
  • a smaller distance is created in the upper image than in the lower version without spacers 46.
  • the movements after returning the cigarette units 23 to the main drum 10 from. 11a, FIG. 12a and FIG. 13a shows the embodiment with spacer 46, that is to say with a shorter filter piece 21 or shorter filter 26.
  • FIG. 11a namely in the region of the receptacle of the otherwise completed cigarette units 23, the sliding segments 27, 28 are in the same position, due to the corresponding design of the control groove 40.
  • Fig. 11a also defines a "neutral" position of the organs. In this, the spring, namely compression spring 45, always relaxed, so not compressed. This is due to the dimensions of the organs in conjunction with a corresponding design of the control 40th
  • the filter cigarettes 25 formed are moved apart into the end position according to FIG. 12a.
  • the filter cigarettes 25 have - regardless of the length of the filter 26 - the same distance from each other.
  • the sliding segments 27, 28 are moved back into the starting position for the acceptance of tobacco rods 15 or partial blocks 16, 17, corresponding to FIG. 13a.
  • the provided with the spacer 46 sliding segments 27, 28 are thereby moved by the rod 42 only to the abutment of the spacer 46 on the segment ring 30.
  • the further displacement of the rod 42 is absorbed by the compression spring 45 (FIG. 13a, top).
  • the adaptation to different dimensions of cigarettes or filter pieces 21 is the main drum 10 and the sliding segments 27, 28 formed with the same Mullenannon as the associated drums, so as the feed drum 11, the filter drum 12, etc.
  • the sliding segments 27th , 28 only have segment depressions 19 spaced apart from the depressions 18 (FIGS. 16, 17).

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  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)

Description

Die Erfindung betrifft ein Verfahren zum Herstellen von Filterzigaretten aus Tabakstöcken, die während des Transports mittig durchtrennt werden unter Bildung von Teilstöcken, wobei die Teilstöcke auseinanderbewegt, mit einem Filterstück mittels Belagpapier verbunden und so gebildete Zigaretten-Einheiten mittig im Bereich des Filterstücks durchtrennt werden. Weiterhin betrifft die Erfindung eine Vorrichtung zur Durchführung des Verfahrens.The invention relates to a method for producing filter cigarettes from tobacco sticks, which are severed during transport centrally to form sub-sticks, wherein the sub-parts moved apart, connected to a filter piece by tipping paper and thus formed cigarette units are cut centrally in the region of the filter piece. Furthermore, the invention relates to a device for carrying out the method.

Die Herstellung bzw. Komplettierung von Filterzigaretten erfolgt im Bereich einer Filteransetzmaschine. Diese weist eine Anzahl von Trommeln mit am Umfang angeordneten Mulden auf. Im Bereich dieser Muldentrommeln werden die vorgenannten Verfahrensschritte für die Herstellung der Filterzigaretten ausgeführt.The manufacture or completion of filter cigarettes takes place in the area of a filter attachment machine. This has a number of drums with circumferentially arranged wells. In the area of these drum troughs, the aforementioned process steps for the production of the filter cigarettes are carried out.

Bekannt ist eine Trommel für die Handhabung von außerhalb der Trommel durchtrennten Tabakstöcken, also zur Handhabung von Teilstöcken. Am Umfang der Trommel sind aus jeweils zwei Segmentmulden gebildete Einheiten gelagert, die in axialer Richtung verschiebbar sind, nämlich bis zur Anlage aneinander einerseits und auf Abstand andererseits. In den Segmentmulden befindet sich jeweils ein Teilstock. Der Abstand der Segmentmulden voneinander in der entsprechenden Endstellung der Schiebesegmente ist so gewählt, dass ein Filterstück in die Lücke eingeführt werden kann. Die beabstandeten Teilstöcke werden von der Trommel abgenommen und außerhalb des Bereichs derselben mit dem Filterstück versehen.Known is a drum for the handling of outside of the drum severed tobacco sticks, so for handling of sub-sticks. On the circumference of the drum formed units are each formed of two segment troughs, which are displaceable in the axial direction, namely until they abut each other on the one hand and on the other. The segment troughs each contain a partial stock. The distance of the segment troughs from each other in the corresponding end position of the sliding segments is chosen so that a filter piece can be inserted into the gap. The spaced part blocks are removed from the drum and provided outside the area thereof with the filter piece.

Der Erfindung liegt die Aufgabe zugrunde, die Herstellung von Filterzigaretten durch besser aufeinander abgestimmte Verfahrensschritte und durch eine entsprechend angepasste Vorrichtung zu verbessern.The invention has for its object to improve the production of filter cigarettes by better matched process steps and by a correspondingly adapted device.

Zur Lösung dieser Aufgabe ist das erfindungsgemäße Verfahren durch folgende Merkmale gekennzeichnet:

  1. a) die Tabakstöcke oder Teilstöcke werden einer Haupttrommel zugeführt und durch diese transportiert,
  2. b) die Teilstöcke werden während des Transports auf der Haupttrommel durch axiale Verschiebung auf Abstand voneinander bewegt,
  3. c) der Haupttrommel werden Filterstücke durch eine benachbart zur Haupttrommel angeordnete Filtertrommel zugeführt und in eine zwischen den Teilstöcken gebildete Lücke eingesetzt,
  4. d) die einander zugeordneten (zwei) Teilstöcke und das Filterstück werden jeweils von der Haupttrommel abgenommen, außerhalb des Bereichs derselben transportiert, dabei zusammengefügt und durch ein Belagpapier miteinander verbunden,
  5. e) so gebildete Zigaretten-Einheiten werden an die Haupttrommel zurückgeführt und während des weiteren Transports auf der Haupttrommel mittig im Bereich der Filterstücke durchtrennt unter Bildung von Filterzigaretten.
To solve this problem, the method according to the invention is characterized by the following features:
  1. a) the tobacco sticks or sub-sticks are fed to and transported through a main drum,
  2. b) the parts are moved during transport on the main drum by axial displacement at a distance from each other,
  3. c) the main drum filter pieces are fed through a filter drum arranged adjacent to the main drum and inserted into a gap formed between the part blocks,
  4. d) the associated (two) parts and the filter piece are each removed from the main drum, transported outside the area thereof, thereby joined together and connected by a tipping paper,
  5. e) thus formed cigarette units are returned to the main drum and cut through during further transport on the main drum centered in the filter pieces to form filter cigarettes.

Die Besonderheit der Erfindung liegt demnach darin, dass die überwiegenden Arbeitsschritte im Bereich eines einzigen Förderorgans durchgeführt werden, nämlich im Bereich einer Haupttrommel. Wegen der besonderen Arbeitsschritte bei der Anbringung des Belagpapiers werden die Elemente der Zigaretten für die Anbringung des Belagpapiers von der Haupttrommel abgenommen, danach aber an diese zurückgegeben.The peculiarity of the invention is therefore that the predominant work steps are carried out in the area of a single conveying member, namely in the region of a main drum. Because of the particular steps involved in the application of the tipping paper, the elements of the cigarettes for the attachment of the tipping paper from the main drum are removed, but then returned to this.

Weitere Maßnahmen der Erfindung betreffen Möglichkeiten, die Haupttrommel hinsichtlich der funktionell betroffenen Organe an unterschiedliche Abmessungen der herzustellenden Filterzigaretten anzupassen, insbesondere hinsichtlich der Länge der Filter.Further measures of the invention relate to possibilities of adapting the main drum with respect to the functionally affected organs to different dimensions of the filter cigarettes to be produced, in particular with regard to the length of the filters.

Weitere Vorteile und Besonderheiten der Erfindung werden nachfolgend anhand eines Ausführungsbeispiels der Vorrichtung näher erläutert. Es zeigt:

Fig. 1
einen Teilbereich der Vorrichtung mit einer Haupttrommel in schematischer Seitenansicht,
Fig. 2
einen Querschnitt durch eine Einzelheit in einer Schnittebene II-II der Fig. 6, in vergrößertem Maßstab,
Fig. 3
einen Umfangsbereich der Haupttrommel in radialer Draufsicht III-III der Fig. 1, in vergrößertem Maßstab,
Fig. 4
einen Quer- bzw. Radialschnitt in der Schnittebene IV-IV der Fig. 3,
Fig. 5
eine Darstellung analog Fig. 4 bei versetzten Organen, entsprechend Schnittebene V-V der Fig. 3,
Fig. 6
eine weitere Darstellung analog Fig. 4, Fig. 5, nämlich in der Schnittebene VI-VI der Fig. 3,
Fig. 7
eine Darstellung analog Fig. 3 für einen anderen Umfangsbereich der Haupttrommel entsprechend Sichtrichtung VII-VII der Fig. 1,
Fig. 8a bis Fig. 13b
unterschiedliche Stellungen von Muldenträgem bzw. Schiebesegmenten der Haupttrommel im Radialschnitt, jeweils mit Gegenüberstellung von Filterzigaretten mit unterschiedlich langen Filtern sowie mit symbolhafter Darstellung der jeweiligen Fertigungsphase im Bereich der Haupttrommel,
Fig. 14 bis Fig. 17
Darstellungen von Bereichen der Übergabe von Tabakstöcken einerseits und Zigaretten-Einheiten andererseits an die Haupttrommel bei unterschiedlichen Ausführungen von Fig. 14 und Fig. 15 einerseits sowie Fig. 16 und Fig. 17 andererseits.
Further advantages and features of the invention will be explained in more detail with reference to an embodiment of the device. It shows:
Fig. 1
a partial area of the device with a main drum in a schematic side view,
Fig. 2
a cross-section through a detail in a sectional plane II-II of FIG. 6, on an enlarged scale,
Fig. 3
a circumferential region of the main drum in radial plan view III-III of FIG. 1, on an enlarged scale,
Fig. 4
a transverse or radial section in the sectional plane IV-IV of Fig. 3,
Fig. 5
a representation analogous to FIG. 4 with staggered organs, corresponding to the sectional plane VV of FIG. 3,
Fig. 6
3 shows a further illustration analogous to FIG. 4, FIG. 5, namely in the sectional plane VI-VI of FIG. 3,
Fig. 7
a representation analogous to FIG. 3 for another circumferential region of the main drum in accordance with the viewing direction VII-VII of FIG. 1,
Fig. 8a to Fig. 13b
different positions of Muldenträgem or sliding segments of the main drum in radial section, each with a juxtaposition of filter cigarettes with filters of different lengths and with a symbolic representation of the respective manufacturing phase in the main drum,
FIGS. 14 to 17
Representations of areas of transfer of tobacco rods on the one hand and cigarette units on the other hand to the main drum at different Embodiments of Fig. 14 and Fig. 15 on the one hand and Fig. 16 and Fig. 17 on the other.

Die in Fig. 1 schematisch gezeigte Vorrichtung ist Teil einer Zigaretten-Herstellmaschine. Zentrales Element ist eine Haupttrommel 10. Dieser sind mehrere Nebentrommeln zugeordnet, die achsparallel bis an den Umfang der Haupttrommel 10 führen. Es handelt sich dabei um eine Zuführtrommel 11, eine Filtertrommel 12, eine Rückführtrommel 13 und eine Abfördertrommel 14. Die einzelnen Fertigungsphasen sind symbolhaft dargestellt und den jeweiligen Bereichen der Haupttrommel 10 bzw. anderen Förderorganen zugeordnet.The apparatus shown schematically in Fig. 1 is part of a cigarette making machine. The central element is a main drum 10. This is associated with several auxiliary drums, which lead parallel to the axis up to the circumference of the main drum 10. It is a feed drum 11, a filter drum 12, a return drum 13 and a removal drum 14. The individual production phases are shown symbolically and associated with the respective areas of the main drum 10 and other conveying organs.

Danach werden von einem Tabakstrang abgetrennte Tabakstöcke 15 der Haupttrommel 10 durch die Zuführtrommel 11 übergeben. Bei dem vorliegenden Ausführungsbeispiel sind die Tabakstöcke 15 bereits in einem vorhergehenden Arbeitstakt mittig durchtrennt worden unter Bildung von zwei gleichlangen Teilstöcken 16, 17. Diese werden zunächst in Mulden 18 der Zuführtrommel 11 transportiert und sodann von Mulden der Haupttrommel 10, nämlich Segmentmulden 19, 20, übernommen.Thereafter, tobacco rods 15 separated from a tobacco rod are transferred to the main drum 10 by the feed drum 11. In the present embodiment, the tobacco sticks 15 have already been severed in the middle in a previous working stroke to form two equally long part pieces 16, 17. These are first transported into troughs 18 of the feed drum 11 and then from troughs of the main drum 10, namely segment troughs 19, 20, accepted.

Während des Transports der Tabakstöcke 15 durch die Haupttrommel 10 bis zur Filter trommel 12 werden die Teilstöcke 16, 17 in Axialrichtung auseinanderbewegt unter Bildung einer Lücke zwischen den beiden Teilstöcken 16, 17 (Fig. 5, Fig. 6). In diese Lücke wird ein (doppeltlanges) Filterstück 21 eingefügt. Dieses wird gesondert vorbereitet und durch die ebenfalls mit Mulden 18 ausgestattete Filtertrommel 12 dem Umfang der Haupttrommel 10 zugeführt.During transport of the tobacco sticks 15 through the main drum 10 to the filter drum 12, the sub-sticks 16, 17 are moved apart in the axial direction to form a gap between the two sub-sticks 16, 17 (Fig. 5, Fig. 6). In this gap, a (double-length) filter piece 21 is inserted. This is prepared separately and fed through the likewise provided with wells 18 filter drum 12 to the circumference of the main drum 10.

Eine Besonderheit der Vorrichtung besteht darin, dass die Filterstücke 21 nur im Bereich der Nachbarschaft von Haupttrommel 10 und Filtertrommel 12 in die Segmentmulden 19, 20 der Haupttrommel 10 eintreten. Unmittelbar danach nimmt die Filtertrommel 12 jeweils einander zugeordnete Teilstöcke 16, 17 zusammen mit einem Filterstück 21 wieder von der Haupttrommel 10 ab, transportiert diese Teile bis zur Übergabe an einen im Einzelnen nicht gezeigten Förderer. In dessen Bereich werden die Teilstöcke 16, 17 zunächst in Kontakt mit dem zugeordneten Filterstück 21 gebracht. Danach wird während des Transports außerhalb der Haupttrommel 10 die Verbindung zwischen diesen Elementen hergestellt, und zwar durch ein Belagpapier 22, welches um die miteinander zu verbindenden Teile herumgelegt wird. So gebildete Zigaretten-Einheiten 23 werden durch die Rückführtrommel 13 wieder an die Haupttrommel 10 gefördert und in den Segmentmulden 19, 20 abgelegt.A special feature of the device is that the filter pieces 21 only in the vicinity of the main drum 10 and filter drum 12 in the segment troughs 19, 20 of the main drum 10 occur. Immediately thereafter, the filter drum 12 takes each associated sub-sticks 16, 17 together with a filter piece 21 again from the main drum 10, transported these parts to the transfer to a conveyor, not shown in detail. In its area, the partial sticks 16, 17 are first brought into contact with the associated filter piece 21. Thereafter, during transportation outside of the main drum 10, the connection between these elements is made by a tipping paper 22 which is to be connected to each other Parts are laid around. Thus formed cigarette units 23 are conveyed by the return drum 13 back to the main drum 10 and stored in the segment troughs 19, 20.

Während des nun folgenden Transports der Zigaretten-Einheiten 23 auf der Haupttrommel 10 erfolgt ein Trennschnitt mittig im Bereich der Filterstücke 21, und zwar durch ein der Haupttrommel 10 zugeordnetes Trennmesser 24. Als Ergebnis werden (fertige) Filterzigaretten 25 gebildet mit einander zugekehrten Filtern 26. Die Filterzigaretten 25 werden - unter Vergrößerung des Abstandes voneinander - durch Haupttrommel 10 weitertransportiert bis zu der Abfördertrommel 14, die die Filterzigaretten 25 paarweise übernimmt und abfördert. Die entleerten Segmentmulden 19, 20 sind nun für die Aufnahme der Tabakstöcke 15 frei.During the following transport of the cigarette units 23 on the main drum 10, a separating cut is made centrally in the area of the filter pieces 21 by a separating knife 24 associated with the main drum 10. As a result, (finished) filter cigarettes 25 are formed with filters 26 facing each other. The filter cigarettes 25 are - by increasing the distance from each other - further transported by the main drum 10 to the discharge drum 14, which takes the filter cigarettes 25 pairs and abfördert. The emptied segment troughs 19, 20 are now free for receiving the tobacco sticks 15.

Die Haupttrommel 10 ist in besonderer Weise ausgebildet, nämlich mit am Außenumfang angeordneten, achsparallel verschiebbaren Trägern für die Mulden, nämlich Schiebesegmenten 27, 28, die paarweise einander zugeordnet sind. Die Schiebesegmente sind auf Tragstangen 29 verschiebbar gelagert und werden insbesondere durch innerhalb der Haupttrommel 10 angeordnete Kurven gesteuert.The main drum 10 is formed in a special way, namely arranged on the outer circumference, axially parallel movable supports for the wells, namely sliding segments 27, 28 which are assigned in pairs to each other. The sliding segments are slidably mounted on support rods 29 and are controlled in particular by arranged within the main drum 10 curves.

Zwischen den einander zugeordneten Schiebesegmenten 27, 28 ist ein ringsherumlaufender Segmentring 30 als unbewegliches Organ angebracht. Die Tragstangen 29 sind mit dem Segmentring 30 verbunden.Between the mutually associated sliding segments 27, 28, a circumferential ring segment 30 is attached as immovable organ. The support rods 29 are connected to the segment ring 30.

Die Schiebesegmente 27, 28 weisen eine Anzahl von nebeneinander angeordneten Segmentmulden 19, 20 auf, die im geringen Abstand voneinander angeordnet und gleichgerichtet sind. Die Segmentmulden 19, 20 weisen Bohrungen 31 auf, die an eine Unterdruckquelle angeschlossen sind, so dass in den Mulden bzw. Segmentmulden 19, 20 ein Unterdruck herrscht zum Fixieren der Tabakstöcke 15 bzw. Zigaretten-Einheiten 23 oder Filterzigaretten 25. Die Segmentmulden 19, 20 finden eine Fortsetzung in Ringmulden 32 im Segmentring 30. Bei an dem Segmentring 30 anliegenden Schiebesegmenten 27, 28 ergeben sich durchgehende Mulden (Fig. 3, unten), beispielsweise zur Aufnahme von Tabakstöcken 15 bzw. Teilstöcken 16, 17. Auch die Ringmulden 32 sind mit Bohrungen 33 versehen, die an eine Unterdruckquelle angeschlossen sind und - unabhängig von den Bohrungen 31 - mit Saugluft beaufschlagt werden können.The sliding segments 27, 28 have a number of juxtaposed segment troughs 19, 20, which are arranged at a small distance from each other and rectified. The segment troughs 19, 20 have bores 31, which are connected to a vacuum source, so that in the troughs or segment troughs 19, 20 there is a negative pressure for fixing the tobacco rods 15 or cigarette units 23 or filter cigarettes 25. Die Segmentmulden 19, 20 find in a continuation in annular recesses 32 in the segment ring 30. When applied to the segment ring 30 sliding segments 27, 28 results in continuous wells (Fig. 3, below), for example, for receiving tobacco rods 15 and Teilstöcken 16, 17. The annular grooves 32nd are provided with holes 33 which are connected to a vacuum source and - regardless of the holes 31 - can be acted upon with suction.

Die Filterstücke 21 werden im Bereich des Segmentrings 30 an den Umfang der Haupttrommel 10 angelegt und fixiert. Des Weiteren wird im Bereich des Segmentrings 30 der Trennschnitt durch das Trennmesser 24 ausgeführt. Der Segmentring 30 hat zu diesem Zweck eine mittige Nut 34, in die das Trennmesser 24 bei der Durchführung des Trennschnitts eintritt.The filter pieces 21 are applied and fixed in the region of the segment ring 30 to the circumference of the main drum 10. Furthermore, in the region of the segment ring 30, the separating cut is carried out by the separating knife 24. The segment ring 30 has for this purpose a central groove 34 into which the separating knife 24 enters when performing the separating cut.

Die Schiebesegmente 27, 28 ermöglichen die (gruppenweise) Verschiebung von Elementen für die Herstellung der Filterzigaretten 25, nämlich zunächst das Auseinanderbewegen der Teilstöcke 16, 17 (Fig. 3) und sodann das Auseinanderbewegen der Filterzigaretten (Fig. 7). Der Abstand der Schiebesegmente 27 28 voneinander bestimmt die Lücke zwischen den Teilstöcken 16, 17 bzw. Filterzigaretten 25.The sliding segments 27, 28 permit the (groupwise) displacement of elements for the production of the filter cigarettes 25, namely first the moving apart of the sub-sticks 16, 17 (Figure 3) and then the moving apart of the filter cigarettes (Figure 7). The distance of the sliding segments 27 28 from each other determines the gap between the part blocks 16, 17 and filter cigarettes 25th

Eine Besonderheit besteht darin, dass während des Transports der Teilstöcke 16 und 17 mit Filterstück 21 sowie der gebildeten Zigaretten-Einheiten 23 außerhalb des Bereichs der Haupttrommel 10, nämlich oberhalb derselben, die auseinanderbewegten Schiebesegmente 27 wieder auf geringeren Abstand voneinander bzw. bis zur Anlage am Segmentring 30 zurückbewegt werden, also in die Position gemäß Fig. 7, oben. In dieser Stellung können die fertigen Zigaretten-Einheiten 23 wieder auf den Schiebesegmenten 27, 28 abgelegt werden.A special feature is that during transport of the sections 16 and 17 with filter piece 21 and the cigarette units 23 formed outside the range of the main drum 10, namely above the same, the moving apart sliding segments 27 again at a smaller distance from each other or until the investment on Segment ring 30 are moved back, ie in the position shown in FIG. 7, above. In this position, the finished cigarette units 23 can again be placed on the sliding segments 27, 28.

Eine Besonderheit ist die Anpassbarkeit der Vorrichtung an unterschiedliche Abmessungen der Filterstücke 21 bzw. Filter 26 oder der Teilstöcke 16, 17 ohne Umrüstung der Haupttrommel bzw. eines Getriebes. Bei dem Ausführungsbeispiel gemäß Fig. 1 bis Fig. 7 wird so vorgegangen, dass die in den Segmentmulden 19, 20 ruhenden Teile, insbesondere Teilstöcke 16, 17 gegen Anschläge bewegt werden, die die Relativstellung entsprechend den jeweiligen Abmessungen der verarbeiteten Elemente bestimmen. Die Schiebesegmente 27, 28 sind getrieblich auf eine formatunabhängige Bewegungsamplitude eingerichtet Diese entspricht einer Maximalabmessung von Filterzigaretten 25. Die in den Segmentmulden 19, 20 ruhenden Teile werden aufgrund von einstellbaren Abstandhaltern unabhängig von der Bewegung der Schiebesegmente 27, 28 an formatgerechter Position angehalten.A special feature is the adaptability of the device to different dimensions of the filter pieces 21 or filter 26 or the sub-sticks 16, 17 without conversion of the main drum or a transmission. In the exemplary embodiment according to FIGS. 1 to 7, the procedure is such that the parts resting in the segment troughs 19, 20, in particular partsticks 16, 17, are moved against stops which determine the relative position corresponding to the respective dimensions of the processed elements. The sliding segments 27, 28 are geared to a format-independent movement amplitude set this corresponds to a maximum dimension of filter cigarettes 25. The resting in the segment troughs 19, 20 parts are stopped due to adjustable spacers regardless of the movement of the sliding segments 27, 28 at the correct position.

Die Abstandhalter sind bei diesem Ausführungsbeispiel (zylindrische) Distanzbolzen 35, die von beiden Seiten in die Mulden, nämlich Segmentmulden 19, 20 der Schiebesegmente 27, 28 eintreten. Die beidseitig der Haupttrommel 10 angeordneten, gleichlangen Distanzbolzen 35 liegen gleichachsig zu den Segmentmulden 19 und treten bei Bewegung der Schiebesegmente 27, 28 nach außen in diese Segmentmulden 19 ein. Endflächen der Teilstöcke 16, 17 laufen gegen die Enden der Distanzbolzen 35 und werden in der erwünschten Relativstellung gehalten bei fortgesetzter Bewegung der Schiebesegmente 27, 28 (Fig. 3, oben). Diese Stellung der Teilstöcke 16, 17 ergibt eine zwischen diesen gebildete Lücke nach Maßgabe der Länge des Filterstücks 21.The spacers are in this embodiment (cylindrical) spacer bolts 35, which enter from both sides into the wells, namely segment troughs 19, 20 of the sliding segments 27, 28. The equally spaced spacer bolts 35 arranged on both sides of the main drum 10 lie equiaxially to the segment depressions 19 and, upon movement of the sliding segments 27, 28, enter the segment depressions 19 outwardly. End surfaces of the sub-sticks 16, 17 run against the ends of the spacer bolts 35 and are held in the desired relative position with continued movement of the sliding segments 27, 28 (Figure 3, top). This position of the sub-sticks 16, 17 results in a gap formed between them in accordance with the length of the filter piece 21st

Eine Formatänderung wird ohne Austausch der Distanzbolzen 35 selbst durchgeführt, sondern durch Veränderung der Relativstellung derselben in achsparalleler Richtung. Die Distanzbolzen 35 sind zu diesem Zweck an beiden Seiten der Haupttrommel 10 mit Tragringen 36 verbunden. Diese wiederum sind verschiebbar an äußeren Festringen 37 als Teil eines Traggestells der Haupttrommel 10 angebracht. Die Tragringe 36 können verstellt werden. Durch Einfügen eines Distanzstücks 38 zwischen Tragring 36 und Festring 37 ergibt sich eine axiale Verstellung der Distanzbolzen 35. Fig. 3, rechts, zeigt eine Stellung mit kürzeren Teilstöcken 16, 17 oder kürzeren Filterstücken 21, während Fig. 3, links, die längere Ausführung, nämlich größere Lücken zwischen den Teilstöcken 16, 17 ermöglicht.A format change is carried out without replacement of the spacer pin 35 itself, but by changing the relative position of the same in the axis-parallel direction. The spacer bolts 35 are connected for this purpose on both sides of the main drum 10 with support rings 36. These in turn are slidably attached to outer race rings 37 as part of a support frame of the main drum 10. The support rings 36 can be adjusted. By inserting a spacer 38 between the support ring 36 and the fixed ring 37 results in an axial adjustment of the spacer pin 35th Fig. 3, right shows a position with shorter sections 16, 17 or shorter filter pieces 21, while Fig. 3, left, the longer version , namely larger gaps between the sections 16, 17 allows.

Die Distanzbolzen 35 sind störend im Bereich der Förderung von Filterzigaretten 25 in den Segmentmulden 19, 20, da die Filterzigaretten 25 auf einen verhältnismäßig großen Abstand voneinander gebracht werden müssen (Fig. 7, unten). Zu diesem Zweck sind die Segmentmulden 19, 20 der Haupttrommel 10 mit einem geringen, minimalen Abstand voneinander angeordnet, der dem halben Abstand der Mulden 18 auf Zuführtrommel 11, Filtertrommel 12, Rückführtrommel 13 und Abfördertrommel 14 entspricht. Die Relativstellung der Förderorgane ist so gewählt, dass die Tabakstöcke 15 bzw. Teilstöcke 16, 17 in erste Segmentmulden 19 eingelegt werden. Diesen ersten Segmentmulden 19 sind die in entsprechendem Abstand voneinander angeordneten Distanzbolzen 35 zugeordnet. Die zweiten Segmentmulden 20 bleiben in diesem Bereich der Haupttrommel 10 frei (Fig. 3). Bei der Rückführung der Zigaretten-Einheiten 23 an die Haupttrommel durch die Rückführtrommel 13 wird aufgrund der Relativstellung der Mulden 18 an der Rückführtrommel 13 gewährleistet, dass die Zigaretten-Einheiten 23 in die (zweiten) Segmentmulden 20 eingelegt werden (Fig. 7). Diese liegen im Bereich zwischen den Distanzbolzen 35.The spacer bolts 35 are disturbing in the promotion of filter cigarettes 25 in the segment troughs 19, 20, since the filter cigarettes 25 must be brought to a relatively large distance from each other (Fig. 7, bottom). For this purpose, the segment troughs 19, 20 of the main drum 10 are arranged with a small, minimum distance from each other, which corresponds to half the distance of the troughs 18 on feed drum 11, filter drum 12, return drum 13 and discharge drum 14. The relative position of the conveying elements is selected such that the tobacco sticks 15 or sub-sticks 16, 17 are inserted into first segment cavities 19. These first segment troughs 19 are assigned in spaced corresponding spacer bolts 35. The second segment wells 20 remain free in this region of the main drum 10 (FIG. 3). In the return of the cigarette units 23 to the main drum by the return drum 13 is ensured due to the relative position of the troughs 18 on the return drum 13 that the cigarette units 23 in the (second) Segmentmulden 20 are inserted (Fig. 7). These lie in the area between the spacer bolts 35.

Die geschilderten Vorgänge sind auch in Fig. 14 und Fig. 15 dargestellt. Es ist erkennbar, dass von der Zuführtrommel 11 und der Rückführtrommel 13 jeweils nur jede zweite (Segment-)Mulde der Haupttrommel 10 beschickt wird.The described processes are also shown in FIGS. 14 and 15. It can be seen that only every second (segment) depression of the main drum 10 is fed from the feed drum 11 and the return drum 13.

Die Distanzbolzen 35 haben zweckmäßigerweise einen besonderen Querschnitt, der sich aus Fig. 2 ergibt. Die im Querschnitt runden Distanzbolzen 35 haben zur besseren Abstützung der Teilstöcke 16, 17 einen größeren Querschnitt als dem Durchmesser der Segmentmulde 19, 20 entsprechend. Der untere, in die Mulden eintretende Querschnittsbereich ist mit einer halbkreisförmigen Aussparung 39 versehen, so dass die Distanzbolzen 35 innerhalb der Mulden mit einem Abstand vom kreisflächenförmigen Boden der Mulden verlaufen.The spacer bolts 35 advantageously have a particular cross-section, which results from FIG. 2. The spacer bolts 35, which are round in cross-section, have a larger cross-section than the diameter of the segment recess 19, 20 in order to better support the part-rods 16, 17. The lower cross-sectional area entering the troughs is provided with a semicircular recess 39 such that the spacer pins 35 extend within the troughs at a distance from the circular bottom of the troughs.

Eine besondere Alternative für die erleichterte Anpassbarkeit der Vorrichtung an unterschiedliche Zigarettenformate ist in Fig. 8a bis Fig. 13b gezeigt. Es geht darum, die Relativstellung der Schiebesegmente 27, 28 in ihrer Ausgangsposition zu verändern, mit der Maßgabe, dass bei gleichbleibenden Bewegungsamplituden unterschiedliche Endstellungen der Schiebesegmente 27, 28 unter Anpassung an das jeweilige Zigarettenformat gegeben sind. Die zeichnerische Darstellung ist so gewählt, dass Fig. 8a, Fig. 9a.... jeweils in Gegenüberstellung ein Schiebesegment 27, 28 für Zigaretten unterschiedlicher Länge in verschiedenen Positionen zeigen, während Fig. 8b, Fig. 9b.... die der gewählten Stellung der Schiebesegmente 27, 28 entsprechende Position an der Haupttrommel 10, also die jeweilige zugehörige Phase der Fertigung schematisch zeigen. Die starke Linie bedeutet dabei den Förderweg der Elemente der Filterzigaretten 25 bzw. der Zigaretten selbst. Fig. 8a bis Fig. 10a zeigen Phasen im Bereich zwischen Zuführtrommel 11 und Filtertrommel 12, während Fig. 11a bis Fig. 13a sich auf den nach der Rückführtrommel 13 folgenden Fertigungsabschnitt bis zur Bereitstellung der Schiebesegmente 27, 28 im Bereich der Zuführtrommel 11 zeigen.A particular alternative for the easier adaptability of the device to different cigarette formats is shown in FIGS. 8a to 13b. The aim is to change the relative position of the sliding segments 27, 28 in their starting position, with the proviso that, given constant amplitudes of movement, different end positions of the sliding segments 27, 28 are accommodated with adaptation to the respective cigarette format. The graphic representation is selected so that Fig. 8a, Fig. 9a .... respectively in juxtaposition a sliding segment 27, 28 for cigarettes of different lengths in different positions, while Fig. 8b, Fig. 9b .... the selected position of the sliding segments 27, 28 corresponding position on the main drum 10, so the respective associated phase of the production show schematically. 8a to 10a show phases in the region between the feed drum 11 and the filter drum 12, while FIGS. 11a to 13a show the direction of the return drum 13 show the following manufacturing section until the provision of the sliding segments 27, 28 in the region of the feed drum 11.

Die Schiebesegmente 27, 28 sind durch eine Steuerkurve bzw. Steuernut 40 hinsichtlich der Bewegung steuerbar. In die in zeichnerischer Vereinfachung als fortlaufende Bahn dargestellte Steuernut 40 tritt ein mit dem Schiebesegment 27, 28 verbundenes Tastorgan ein, nämlich eine Rolle 41. Diese ist über ein Zug- und Druckorgan, nämlich über eine Stange 42, mit dem Schiebesegment 27, 28 verbunden. Das Schiebesegment 27, 28 ist relativ zu der Stange 42 verstellbar, und zwar zur Schaffung einer unterschiedlichen Ausgangsstellung. Zu diesem Zweck ist - schematisch dargestellt - ein mit der Stange 42 verbundener Kopf 43 in einer Ausnehmung 44 des Schiebesegments 27, 28 verstellbar, und zwar gegen die Belastung einer Feder, nämlich Druckfeder 45.The sliding segments 27, 28 are controllable by a control cam or control groove 40 with respect to the movement. In the illustrated in illustrative simplification as a continuous track control groove 40 enters a connected to the sliding segment 27, 28 feeler a, namely a roller 41. This is connected via a tension and pressure member, namely via a rod 42, with the sliding segment 27, 28. The sliding segment 27, 28 is adjustable relative to the rod 42, to provide a different starting position. For this purpose - shown schematically - a connected to the rod 42 head 43 in a recess 44 of the sliding segment 27, 28 adjustable, against the load of a spring, namely compression spring 45th

Bei der Herstellung von Zigaretten normaler Länge bzw. mit üblicher Länge des Filterstücks 21, ist die Druckfeder 45 entspannt. Der Kopf 43 liegt an einer Endwandung der Ausnehmung 44 an (Fig. 8a, Fig. 9a...., jeweils unten). Die Schiebesegmente 27, 28 liegen bei der Fertigung eines derartigen Zigarettentyps in der Ausgangsposition an dem feststehenden Segmentring 30 an.In the production of cigarettes of normal length or with the usual length of the filter piece 21, the compression spring 45 is relaxed. The head 43 bears against an end wall of the recess 44 (FIGS. 8a, 9a,..., Below). The sliding segments 27, 28 are in the starting position on the stationary segment ring 30 in the production of such a cigarette type.

Das jeweils obere Bild in Fig. 8a, Fig. 9a.... zeigt eine Alternative für die Verarbeitung von kürzeren Filterstücken 21, also eine Alternative, bei der zwischen den Teilstöcken 16, 17 eine kleinere Lücke geschaffen wird. Dies wird dadurch erreicht, dass in der Anfangsposition (Fig. 8a, oben) die Schiebesegmente 27, 28 bereits in Richtung auf die Endposition verschoben sind. Dies wird erreicht durch einen zwischen Schiebesegment 27, 28 einerseits und Segmentring 30 andererseits eingesetzten Abstandhalter 46. Dieser bewirkt, dass das Schiebesegment 27, 28 in der Ausgangsposition einen Abstand von dem Segmentring 30 aufweist, also bereits einen ersten Bewegüngsabschnitt in Richtung auf die seitliche Endstellung vollzogen hat. Die Schiebesegmente 27, 28 werden dabei auch relativ zu der einheitlich langen Stange 42 verschoben, und zwar unter Zusammendrücken der Druckfeder 45. Die Tabakstöcke 15 bzw. Teilstöcke 16, 17 werden - unabhängig von der Länge des Filterstücks 21 - stets in derselben Position eingelegt, nämlich mittig zum Segmentring 30. Bei dem nachfolgenden Auseinanderbewegen der Schiebesegmente 27, 28 beginnt der Bewegungsvorgang für das jeweils untere Beispiel der zeichnerischen Darstellung, also ohne Abstandhalter 46, unmittelbar, weil die Bewegung der Stange 42 direkt auf das Schiebesegment 27, 28 übertragen wird. Bei Einsatz des Abstandhalters 46 wird bei der Bewegung der Stange 42 zunächst der freie Raum innerhalb der Ausnehmung 44 überwunden, bis der Kopf 43 an der Endwandung der Ausnehmung 44 anliegt (Fig. 9a, oben). Nun beginnt auch bei dieser Ausführung die achsparallele Verschiebung des Schiebesegments 27, 28, und zwar in die Endstellung gemäß Fig. 10a. Diese entspricht der Stellung der Teilstöcke 16, 17 zum Einlegen des Filterstücks 21. Wie erkennbar, wird bei dem oberen Bild ein geringerer Abstand geschaffen als bei der unteren Ausführung ohne Abstandhalter 46.The respective upper image in FIG. 8a, FIG. 9a .... shows an alternative for the processing of shorter filter pieces 21, ie an alternative in which a smaller gap is created between the partial blocks 16, 17. This is achieved in that in the initial position (FIG. 8a, top) the sliding segments 27, 28 are already displaced in the direction of the end position. This is achieved by means of a spacer 27 inserted between the sliding segment 27, 28 on the one hand and the segment ring 30. This causes the sliding segment 27, 28 to be at a distance from the segment ring 30 in the initial position, ie already a first movement section in the direction of the lateral end position has completed. The sliding segments 27, 28 are also displaced relative to the uniformly long rod 42, namely by compressing the compression spring 45. The tobacco sticks 15 or sub-sticks 16, 17 are - regardless of the length of the filter piece 21 - always inserted in the same position, namely in the middle of the segment ring 30. In the subsequent movement apart of the sliding segments 27, 28, the movement process for the respective lower example of the drawing begins, ie without spacer 46, directly, because the movement of the rod 42 is transmitted directly to the sliding segment 27, 28. When using the spacer 46, the free space within the recess 44 is first overcome during the movement of the rod 42 until the head 43 abuts the end wall of the recess 44 (FIG. 9a, top). Now begins in this embodiment, the axis-parallel displacement of the sliding segment 27, 28, in the end position of FIG. 10a. This corresponds to the position of the sub-sticks 16, 17 for inserting the filter piece 21. Like recognizable, a smaller distance is created in the upper image than in the lower version without spacers 46.

In analoger Weise laufen die Bewegungen nach Rückführung der Zigaretten-Einheiten 23 an die Haupttrommel 10 ab. Das jeweils obere Bild von Fig. 11a, Fig. 12a und Fig. 13a zeigt die Ausführung mit Abstandhalter 46, also mit kürzerem Filterstück 21 bzw. kürzerem Filter 26. In Fig. 11a, nämlich im Bereich der Aufnahme der anderweitig komplettierten Zigaretten-Einheiten 23, befinden sich die Schiebesegmente 27, 28 in derselben Position, und zwar aufgrund entsprechender Gestaltung der Steuernut 40. Fig. 11a definiert darüber hinaus eine "neutrale" Position der Organe. In dieser ist die Feder, nämlich Druckfeder 45, stets entspannt, also nicht zusammengedrückt. Dies ergibt sich aufgrund der Abmessungen der Organe in Verbindung mit einer entsprechenden Gestaltung der Steuemut 40.In an analogous manner, the movements after returning the cigarette units 23 to the main drum 10 from. 11a, FIG. 12a and FIG. 13a shows the embodiment with spacer 46, that is to say with a shorter filter piece 21 or shorter filter 26. In FIG. 11a, namely in the region of the receptacle of the otherwise completed cigarette units 23, the sliding segments 27, 28 are in the same position, due to the corresponding design of the control groove 40. Fig. 11a also defines a "neutral" position of the organs. In this, the spring, namely compression spring 45, always relaxed, so not compressed. This is due to the dimensions of the organs in conjunction with a corresponding design of the control 40th

Nach dem Trennschnitt im Bereich des Filterstücks 21 werden die gebildeten Filterzigaretten 25 auseinanderbewegt bis in die Endstellung gemäß Fig. 12a. Die Filterzigaretten 25 haben dabei - unabhängig von der Länge des Filters 26 - denselben Abstand voneinander. Nach Übernahme der Filterzigaretten 25 durch die Abfördertrommel 14 werden die Schiebesegmente 27, 28 in die Ausgangsstellung für die Übernahme von Tabakstöcken 15 bzw. Teilstöcken 16, 17 zurückbewegt, entsprechend Fig. 13a. Die mit dem Abstandhalter 46 versehenen Schiebesegmente 27, 28 werden dabei durch die Stange 42 nur bis zur Anlage des Abstandhalters 46 an dem Segmentring 30 bewegt. Die weitere Verschiebung der Stange 42 wird durch die Druckfeder 45 aufgefangen (Fig. 13a, oben).After the separation cut in the region of the filter piece 21, the filter cigarettes 25 formed are moved apart into the end position according to FIG. 12a. The filter cigarettes 25 have - regardless of the length of the filter 26 - the same distance from each other. After the filter cigarettes 25 have been taken over by the removal drum 14, the sliding segments 27, 28 are moved back into the starting position for the acceptance of tobacco rods 15 or partial blocks 16, 17, corresponding to FIG. 13a. The provided with the spacer 46 sliding segments 27, 28 are thereby moved by the rod 42 only to the abutment of the spacer 46 on the segment ring 30. The further displacement of the rod 42 is absorbed by the compression spring 45 (FIG. 13a, top).

Bei dieser Lösung der Anpassung an unterschiedliche Abmessungen von Zigaretten bzw. Filterstücken 21 ist die Haupttrommel 10 bzw. sind die Schiebesegmente 27, 28 mit der gleichen Muldenteilung ausgebildet wie die zugeordneten Trommeln, also wie die Zuführtrommel 11, die Filtertrommel 12 etc. Die Schiebesegmente 27, 28 weisen lediglich Segmentmulden 19 auf im Abstand der Mulden 18 (Fig. 16, Fig. 17).In this solution, the adaptation to different dimensions of cigarettes or filter pieces 21 is the main drum 10 and the sliding segments 27, 28 formed with the same Mullenteilung as the associated drums, so as the feed drum 11, the filter drum 12, etc. The sliding segments 27th , 28 only have segment depressions 19 spaced apart from the depressions 18 (FIGS. 16, 17).

BezugszeichenlisteLIST OF REFERENCE NUMBERS

1010
Haupttrommelmain drum
1111
Zuführtrommelfeed drum
1212
Filtertrommelfilter drum
1313
RückführtrommelReturn drum
1414
Abfördertrommelconveyor drum
1515
Tabakstocktobacco rod
1616
Teilstockpart Stock
1717
Teilstockpart Stock
1818
Muldetrough
1919
Segmentmuldesegment depression
2020
Segmentmuldesegment depression
2121
Filterstückfilter piece
2222
Belagpapiertipping paper
2323
Zigaretten-EinheitCigarette Unit
2424
Trennmesserseparating knife
2525
Filterzigarettefilter cigarette
2626
Filterfilter
2727
Schiebesegmentsliding segment
2828
Schiebesegmentsliding segment
2929
Tragstangesupporting rod
3030
Segmentringsegment ring
3131
Bohrungdrilling
3232
Ringmuldering hollow
3333
Bohrungdrilling
3434
Nutgroove
3535
DistanzbolzenDistance bolts
3636
Tragringsupport ring
3737
FestringFestring
3838
DinstanzstückDinstanzstück
3939
Aussparungrecess
4040
SteuemutSteuemut
4141
Rollerole
4242
Stangepole
4343
Kopfhead
4444
Ausnehmungrecess
4545
Druckfedercompression spring
4646
Abstandhalterspacer

Claims (11)

  1. A method for the production of filter-tipped cigarettes (25) from tobacco rods (15), which are severed centrally to produce part-rods (16, 17), the part-rods (16, 17) being moved apart, and being connected by means of wrapping paper (22) to a filter piece (21) and cigarette units (23) thus formed being severed centrally in the region of the filter piece (21), characterized by the following features:
    a) the tobacco rods (15) or the part-rods (16, 17) are fed to a central main cylinder (10) and transported by the latter,
    b) the part-rods (16, 17) are moved to a distance apart from one another by axial displacement during transport on the main cylinder (10),
    c) filter pieces (21) are fed to the main cylinder (10) by a filter cylinder (12) disposed adjacently to the main cylinder (10) and are inserted into a gap formed between the part-rods (16, 17),
    d) the two mutually assigned part-rods (16, 17), each with one filter piece (21), are removed from the main cylinder (10) and transported outside the region thereof, during which they are joined together and connected to one another by means of wrapping paper,
    e) cigarette units (23) thus formed are returned to the main cylinder (10) and, during further transport on the main cylinder (10), are severed centrally in the region of the filter piece (21),
    f) the filter-tipped cigarettes (25) thus formed are displaced in the longitudinal direction during the further transport by the main cylinder (10), a distance being formed between them, and are then removed from the main cylinder.
  2. An apparatus for the production of filter-tipped cigarettes (25) from centrally severed tobacco rods (15), namely part-rods (16, 17) which are each stored in segment troughs (19, 20) of a rotary cylinder, in each case with a plurality of segment troughs (19, 20) being combined as an axial-displaceable sliding segment (27, 28) and in each case with two sliding segments (27, 28), disposed adjacently to one another in the axial direction, receive the mutually assigned part-rods (16, 17), it furthermore being possible to insert a filter piece (21) into a gap formed between mutually assigned part-rods (16, 17) and to connect said filter piece (21) to the two part-rods (16, 17) by a wrapping paper to form a cigarette unit (23), characterized by the following features:
    a) the segment troughs (19, 20) at the circumference of a main cylinder (10) serve to receive tobacco rods (15), part-rods (16, 17), filter pieces (21), cigarette units (23), and filter-tipped cigarettes (25),
    b) tobacco rods (15) can be fed to the segment troughs (19, 20), the latter in a mutually facing, adjacent position, and can be severed centrally in the region of the main cylinder (10) to form part-rods (16, 17),
    c) After the rods (15) have been severed, the sliding segments (27, 28) can be moved apart such that a gap for receiving filter pieces (21) fed from the main cylinder (10) is formed between adjacent part-rods (16, 17),
    d) the mutually assigned part-rods (16, 17) with a filter piece (21) can be taken from the main cylinder (10) and the sliding segments (27, 28) by means of a filter cylinder (12), brought together outside of the main cylinder (10) and joined together by a wrapping paper (22) to form a cigarette unit (23),
    e) after the part-rods (16, 17) and filter pieces (21) have been removed, the sliding segments (27, 28) can be returned to their mutually adjacent position for receiving the cigarette units (23) formed outside of the main cylinder (10) and returned to the main cylinder (10) by means of a return cylinder (13),
    f) the filter piece (21) can be severed centrally in the region of the main cylinder (10) to form two filter-tipped cigarettes lying adjacent to one another in the axial direction,
    g) the sliding segments (27, 28) can be moved apart in the axial direction for separating the formed filter cigarettes (25).
  3. The apparatus according to Claim 2, characterized in that the main cylinder (10) is provided centrally with a circumferential, fixed segment ring (30), which comprises annular troughs (32) extending the segment troughs (19, 20) of the sliding segments (27, 28), the sliding segments (27, 28), in a starting position, resting on either side of the segment ring (30) in a manner such that continuous, aligned troughs are formed by the sliding segments (27, 28) and the segment ring (30).
  4. The apparatus according to Claim 2 or 3, characterized in that the part-rods (16, 17) can be moved apart in a direction parallel to the axis by a distance approximately corresponding to the length of the filter piece (21) to be inserted.
  5. The apparatus according to Claim 4 or one of the subsequent Claims, characterized in that the sideways movement, parallel to the axis, of the sliding segments (27, 28) and/or of the part-rods (16, 17) contained in the segment troughs (19, 20) of the sliding segments (27, 28) is determined by stops.
  6. The apparatus according to Claim 5 or one of the subsequent Claims, characterized in that each trough, specifically each segment trough (19), charged with a part-rod (16, 17) is assigned a stop on the circumference of the cylinder or main cylinder (10), preferably a (cylindrical) spacer bolt (35), which is mounted parallel to the axis and stationary, and enters into the segment trough (19, 20) with a part-region to limit the sideways movement of the part-rods (16, 17) in a manner such that an end position of the part-rods (16, 17) is determined independently of the amplitude of movement of the sliding segments (27, 28).
  7. The apparatus according to Claim 5 or one of the subsequent Claims, characterized in that the position of the stops, in particular of the spacer bolts (35), is adjustable, preferably in a manner such that a displaceable support for the spacer bolts (35), specifically a support ring (36), is displaceable with the insertion of a spacer piece (38).
  8. The apparatus according to Claim 6 and one of the subsequent Claims, characterized in that the spaces between troughs, in particular segment troughs (19, 20), of the (main) cylinder (10) are half as great as the spaces between troughs (18) on the circumference of assigned cylinders (11, 12, 13, 14), the troughs being oriented relative to one another in a manner such that tobacco rods (15) or part-rods (16, 17) can be laid down by the feed cylinder (11) in every second segment trough (19) of the (main) cylinder (10) and the spacer bolts (35) are assigned to these segment troughs (19) and, moreover, the cigarette units (23) can be laid down by the return cylinder (13) in the respective other troughs or segment troughs (20) in a manner such that filter-tipped cigarettes (25) formed from the cigarette units (23) are displaceable offset to the spacer bolts (35).
  9. The apparatus according to Claim 4 or one of the subsequent Claims, characterized in that the amplitude of movement of the sliding segments (27, 28) is controllable in order to produce gaps of different lengths between the mutually assigned part-rods (16, 17), preferably in a manner such that the sliding segments (27, 28) are adjustable relative to an actuating member - bar (42) - controlled by cams, so that, with a constant amplitude of movement of the actuating member or bar (42), the amplitudes of movement of the sliding segments (27, 28) are different.
  10. The apparatus according to Claim 9, characterized in that the actuating member - bar (42) - is connected via an adjustable connection to the assigned sliding segment (27, 28), in particular by the introduction of a thickened portion or a head (43) of the bar (42) into a recess (44) of the sliding segment (27, 28), the actuating member - bar (42) - being constantly forced into a starting position, in particular by a compression spring (45).
  11. The apparatus according to Claim 9 or one of the subsequent Claims, characterized in that, in order to change the position of sliding segments (27, 28) relative to the actuating member - bar (42) - the sliding segment (27, 28) is adjusted by a spacer (46) relative to the bar (42) with a corresponding adjustment of the head (43) when the compression spring (45) is compressed, the spacer (46) being positioned between the sliding segment (27, 28) and the segment ring (30) in the starting position.
EP02787627A 2001-11-19 2002-11-09 Method and device for producing filter cigarettes Expired - Lifetime EP1448070B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10156303 2001-11-19
DE10156303A DE10156303A1 (en) 2001-11-19 2001-11-19 Method and device for producing filter cigarettes
PCT/EP2002/012546 WO2003043449A1 (en) 2001-11-19 2002-11-09 Method and device for producing filter cigarettes

Publications (2)

Publication Number Publication Date
EP1448070A1 EP1448070A1 (en) 2004-08-25
EP1448070B1 true EP1448070B1 (en) 2007-02-21

Family

ID=7705975

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02787627A Expired - Lifetime EP1448070B1 (en) 2001-11-19 2002-11-09 Method and device for producing filter cigarettes

Country Status (6)

Country Link
US (1) US7296579B2 (en)
EP (1) EP1448070B1 (en)
JP (1) JP3970844B2 (en)
AU (1) AU2002351948A1 (en)
DE (2) DE10156303A1 (en)
WO (1) WO2003043449A1 (en)

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DE10349967B4 (en) * 2003-10-24 2006-06-14 Hauni Maschinenbau Ag Multifunction conveyor drum
ITBO20030641A1 (en) * 2003-10-31 2005-05-01 Gd Spa SUPPLY DEVICE FOR FILTER ROPES IN
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Also Published As

Publication number Publication date
JP3970844B2 (en) 2007-09-05
EP1448070A1 (en) 2004-08-25
AU2002351948A1 (en) 2003-06-10
US20040255963A1 (en) 2004-12-23
JP2005509429A (en) 2005-04-14
US7296579B2 (en) 2007-11-20
DE50209553D1 (en) 2007-04-05
WO2003043449A1 (en) 2003-05-30
DE10156303A1 (en) 2003-06-26

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