EP0879564A1 - Method and device for producing a cigarette rod - Google Patents

Method and device for producing a cigarette rod Download PDF

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Publication number
EP0879564A1
EP0879564A1 EP98108594A EP98108594A EP0879564A1 EP 0879564 A1 EP0879564 A1 EP 0879564A1 EP 98108594 A EP98108594 A EP 98108594A EP 98108594 A EP98108594 A EP 98108594A EP 0879564 A1 EP0879564 A1 EP 0879564A1
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EP
European Patent Office
Prior art keywords
belt
bed
strand
compensating
molding
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Granted
Application number
EP98108594A
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German (de)
French (fr)
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EP0879564B1 (en
Inventor
Heinz Focke
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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 EP0879564A1 publication Critical patent/EP0879564A1/en
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    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/14—Machines of the continuous-rod type
    • A24C5/18—Forming the rod
    • A24C5/1807—Forming the rod with compressing means, e.g. garniture

Definitions

  • the invention relates to a method for producing a continuous Strand with an outer covering, in particular one Cigarette strands with an outer wrapping made of (cigarette) paper, where the continuously supplied as strips of material Outer covering with the material to be wrapped, in particular Tobacco lying on a conveyor, especially on a conveyor Form tape, through (fixed) on a free side of the form tape adjacent enveloping organs - shaped bed - during transport be formed into a strand.
  • the invention further relates to a device for performing the method.
  • a cigarette making machine An important part of a cigarette making machine is one Strand machine. This is used for continuous production of a continuous string of cigarettes. This consists of one usually cylindrical tobacco rod with an outer casing Cigarette paper.
  • a tobacco rod is used in the manufacture of the cigarette rod on the also continuously fed as a strip of material Outer covering lying on by a belt conveyor, namely through a forming belt, transported through a strand unit.
  • the strand unit has organs for deforming the tobacco rod and the strip of material, such that the latter the The tobacco rod is completely covered. Exits from the strand unit the finished, continuous cigarette rod.
  • the enveloping elements for shaping tobacco rod and / or outer wrapping are fixed in position and preferably as a shaped bed educated.
  • the belt conveyor i.e. the forming belt, lies on the mold bed and is transported through it deformed together with the outer casing and tobacco rod.
  • the idea of the invention is therefore that of friction generated heat to additional sheet-like organs distribute a quick heat dissipation and thereby a Reduce heat transfer to the strand.
  • the device for performing the method in addition to the forming belt another through the Belt unit provided band, namely a Intermediate band.
  • a Intermediate band This is between the belt conveyor or forming belt on the one hand and the fixed, causing the friction Organ, i.e. the mold bed, positioned.
  • the intermediate band lies accordingly on the mold bed and leads a part of the resulting Heat. Wear on the forming belt is also reduced.
  • the Intermediate belt driven at a lower speed than the ribbon.
  • the embodiment shown in the drawings is concerned deal with making a continuous strand, namely of a cigarette rod 10.
  • This consists of an inner Tobacco strand 11 and an outer wrapper 12 made of cigarette paper.
  • Fig. 1 shows essential organs of a (cigarette) rod machine.
  • the core of this is a strand unit 13.
  • the tobacco rod 11 is combined with the outer casing 12, in such a way that the outer envelope 12 during continuous transport around the tobacco rod 11 formed becomes. Overlapping edges of the outer wrapper 12 are bonded together by gluing.
  • the tobacco rod 11 formed in a known manner is replaced by a Tobacco tape 14 fed from above.
  • the tobacco band 14 is with a conveyor run obliquely at an acute angle.
  • the tobacco belt 14 is designed as a suction belt, so that the tobacco rod held by suction air on the lower run of the tobacco band 14 and is transported.
  • the tobacco band 14 is by side boundaries formed so that the adjacent tobacco band 14 Tobacco strand 11 is already preformed, namely approximately has a round cross section and thus into the strand unit 13 is promoted.
  • the tobacco rod 11 is outside or in front of the rod unit 13 on the outer wrapping supplied as a flat strip of material 12 filed.
  • a unit of tobacco rod 11 and outer wrapper 12 therefore runs in continuous motion into the strand unit 13.
  • the outer casing 12 or the material strip for Formation thereof is subtracted from a bobbin (not shown).
  • the outer covering 12 or the material strip is deposited on a belt conveyor, namely a forming belt 15. This is so guided over deflection rollers 16, 17 that an upper elongated fraudtrum 18 is formed. This will be the first Outer casing 12 and then the tobacco rod 11 fed and deposited on the outer casing 12.
  • the forming belt 15 is in the strand unit 13 together with the Outer casing 12 and the tobacco rod 11 deformed so that the Outer casing 12 to form the cigarette rod 10 den Tobacco strand 11 surrounds.
  • stationary forming tools that extend in the conveying direction or enveloping organs positioned, namely a fixed mold bed 19. This changes continuously in cross-section, namely from a level on the entry side (right in Fig. 1) Starting position up to the tobacco rod or cigarette rod 10 almost completely enveloping hollow shape.
  • a strand machine is the forming belt 15 or its conveyor strand 18 only indirectly on the form bed 19.
  • an intermediate body namely a compensation band 21.
  • This also endless belt is guided over deflecting rollers 22, 23, the horizontal due to the relative arrangement Form strand 24.
  • the compensating belt 21 or its horizontal Run 24 therefore lies against the mold bed 19. Through the mold bed 19 generated friction therefore does not arise compared to the forming belt 15, but compared to the compensation band 21st
  • the compensation band 21 in a special way driven, namely by a drive roller 25.
  • the movement of the compensating belt 21 is aligned with that of the forming belt 15.
  • the speed of the compensating belt 21 is significantly less than that of the forming belt 15.
  • the compensating belt 21 at about half the speed of the forming belt 15 moves.
  • this creates a reduced Friction between compensating belt 21 and form bed 19.
  • Des further reduced friction between Forming belt 15 and compensating belt 21 This in turn leads to a reduced heat.
  • the compensating band creates 21 an additional flat organ for dissipating the heat the strand unit 13.
  • the compensating band 21 expediently consists of special selected material. This is said to have high thermal conductivity and on the other hand have a low coefficient of friction. Suitable is a thin spring steel band. This also has high strength.
  • the mold bed 19 from a molded body with a trough-shaped mold surface 26.
  • a recess 27 is embedded in this, the extends in the conveying direction.
  • the also trough-shaped Well run the forming tape 15 and the Compensation band 21.
  • the shaped surface 26 or the depression 27 changes in the conveying direction such that the belts 15 and 21 increasingly surround the tobacco rod 11 with the outer wrapper 12.
  • the compensation band 21 slides on the molding surface 26 in the area of the recess 27. The dimensions are chosen so that the outer casing 12 over the forming belt 15 and thus protrudes laterally beyond the compensating band 21 and outside the recess 27 abuts the molding surface 26.
  • a special feature is that bores 30 also in the compensation band 21 are arranged.
  • a number of such holes 30 extends in the longitudinal direction of the compensating belt 21, and in the middle of the same, adjacent to the holes 29 in Form bed 19. Via the holes 30, negative pressure in the area of the forming belt 15, so also cooling.
  • the tapes namely forming belt 15 on the one hand and compensating belt 21 on the other hand, outside the strand unit 13 by a cooling unit 32, 33 run.
  • This can consist of a unit with cooling air, but also exist with another cooling medium.

Abstract

The tobacco strand (11) is laid on cigarette paper (12) on a forming belt (15) and is formed into a cigarette strand. In the region of the forming bed (19), heat is extracted by increasing the surface area and/or the use of material with good thermal conductivity. Also claimed is an arrangement for carrying out the method in which a forming belt (15) passes through a forming bed and moves over an intermediate layer (21) which removes heat. The intermediate layer is preferably a compensating belt of spring steel which is driven at slower speed than the forming belt to produce friction.

Description

Die Erfindung betrifft ein Verfahren zum Herstellen eines fortlaufenden Strangs mit einer Außenumhüllung, insbesondere eines Zigarettenstrangs mit einer Außenumhüllung aus (Zigaretten-)Papier, wobei die als Materialstreifen fortlaufend zugeführte Außenumhüllung mit dem einzuhüllenden Material, insbesondere Tabak, auf einem Förderer aufliegend, insbesondere auf einem Formband, durch (feststehende) an einer freien Seite des Formbands anliegende Hüllorgane - Formbett - während des Transports zu einem Strang geformt werden. Weiterhin betrifft die Erfindung eine Vorrichtung zur Durchführung des Verfahrens.The invention relates to a method for producing a continuous Strand with an outer covering, in particular one Cigarette strands with an outer wrapping made of (cigarette) paper, where the continuously supplied as strips of material Outer covering with the material to be wrapped, in particular Tobacco lying on a conveyor, especially on a conveyor Form tape, through (fixed) on a free side of the form tape adjacent enveloping organs - shaped bed - during transport be formed into a strand. The invention further relates to a device for performing the method.

Wichtiger Teil einer Zigaretten-Herstellmaschine ist eine Strangmaschine. Diese dient zur kontinuierlichen Fertigung eines fortlaufenden Zigarettenstrangs. Dieser besteht aus einem üblicherweise zylindrischen Tabakstrang mit Außenumhüllung aus Zigarettenpapier.An important part of a cigarette making machine is one Strand machine. This is used for continuous production of a continuous string of cigarettes. This consists of one usually cylindrical tobacco rod with an outer casing Cigarette paper.

Bei der Fertigung des Zigarettenstrangs wird ein Tabakstrang auf der als Materialstreifen ebenfalls fortlaufend zugeführten Außenumhüllung aufliegend durch einen Bandförderer, nämlich durch ein Formband, durch eine Strangeinheit hindurchtransportiert. Die Strangeinheit weist Organe auf zum Verformen des Tabakstrangs und des Materialstreifens, derart, daß letzterer den Tabakstrang vollständig umhüllt. Aus der Strangeinheit tritt der fertige, fortlaufende Zigarettenstrang aus.A tobacco rod is used in the manufacture of the cigarette rod on the also continuously fed as a strip of material Outer covering lying on by a belt conveyor, namely through a forming belt, transported through a strand unit. The strand unit has organs for deforming the tobacco rod and the strip of material, such that the latter the The tobacco rod is completely covered. Exits from the strand unit the finished, continuous cigarette rod.

Die Hüllorgane zum Verformen von Tabakstrang und/oder Außenumhüllung sind ortsfest positioniert und vorzugsweise als Formbett ausgebildet. Der Bandförderer, also das Formband, liegt auf dem Formbett auf und wird während des Transports durch dieses zusammen mit Außenumhüllung und Tabakstrang verformt. Durch die sehr hohe Fördergeschwindigkeit des Formbandes und dadurch bedingter hoher Reibung entwickelt sich eine entsprechend hohe Reibungswärme, die für den Fertigungsprozeß und das Produkt nachteilig ist.The enveloping elements for shaping tobacco rod and / or outer wrapping are fixed in position and preferably as a shaped bed educated. The belt conveyor, i.e. the forming belt, lies on the mold bed and is transported through it deformed together with the outer casing and tobacco rod. By the very high conveying speed of the forming belt and thereby due to high friction, a correspondingly high level develops Frictional heat needed for the manufacturing process and the product is disadvantageous.

Der Erfindung liegt die Aufgabe zugrunde, bei der Herstellung eines fortlaufenden Strangs mit einer Außenumhüllung, insbesondere bei der Fertigung eines Zigarettenstrangs, die Wärmeentwicklung im Bereich der Strangeinheit bzw. der Hüllorgane zu verringern.The invention has for its object in the manufacture a continuous strand with an outer covering, in particular in the manufacture of a cigarette rod, the heat development in the area of the strand unit or the enveloping organs reduce.

Zur Lösung dieser Aufgabe ist das erfindungsgemäße Verfahren dadurch gekennzeichnet, daß im Bereich der Hüllorgane bzw. des Formbetts entstehende Wärme durch größere bzw. zusätzliche Oberflächen und/oder durch Verwendung von Material mit hoher Wärmeleitfähigkeit abgeführt wird.The method according to the invention is used to achieve this object characterized in that in the area of the enveloping organs or Form bed generated heat by larger or additional Surfaces and / or by using material with high Thermal conductivity is dissipated.

Der Erfindungsgedanke besteht demnach darin, die durch die Reibung entstehende Wärme auf zusätzliche flächenförmige Organe zu verteilen, die eine schnelle Wärmeableitung und dadurch eine Verminderung der Wärmeübertragung auf den Strang bewirken.The idea of the invention is therefore that of friction generated heat to additional sheet-like organs distribute a quick heat dissipation and thereby a Reduce heat transfer to the strand.

Bei der Vorrichtung zur Durchführung des Verfahrens ist erfindungsgemäß zusätzlich zum Formband ein weiteres durch die Strangeinheit hindurchlaufendes Band vorgesehen, nämlich ein Zwischenband. Dieses ist zwischen dem Bandförderer bzw. Formband einerseits und dem die Reibung bewirkenden, feststehenden Organ, also dem Formbett, positioniert. Das Zwischenband liegt demnach am Formbett an und führt einen Teil der entstehenden Wärme ab. Außerdem wird der Verschleiß am Formband reduziert.In the device for performing the method is according to the invention in addition to the forming belt another through the Belt unit provided band, namely a Intermediate band. This is between the belt conveyor or forming belt on the one hand and the fixed, causing the friction Organ, i.e. the mold bed, positioned. The intermediate band lies accordingly on the mold bed and leads a part of the resulting Heat. Wear on the forming belt is also reduced.

Gemäß einem weiteren wichtigen Vorschlag der Erfindung wird das Zwischenband mit einer geringeren Geschwindigkeit angetrieben als das Formband. Dadurch ergibt sich einerseits eine (verringerte) Reibung des Zwischenbandes am Formbett und andererseits eine ebenfalls verminderte Reibung zwischen dem Formband und dem Zwischenband. Dieses besteht aus einem ausgewählten Material mit hoher Festigkeit, Formbarkeit und hoher Wärmeleitfähigkeit sowie niedrigem Reibungsbeiwert.According to another important proposal of the invention, the Intermediate belt driven at a lower speed than the ribbon. On the one hand, this results in a (reduced) Friction of the intermediate belt on the mold bed and on the other hand a reduced friction between the forming belt and the intermediate volume. This consists of a selected material with high strength, formability and high thermal conductivity and low coefficient of friction.

Weitere Einzelheiten der Erfindung werden nachfolgend anhand eines in den Zeichnungen dargestellten Ausführungsbeispiels näher erläutert. Es zeigt:

Fig. 1
eine Strangmaschine in vereinfachter Seitenansicht,
Fig. 2
einen Querschnitt durch eine Strangeinheit der Strangmaschine in vergrößertem Maßstab.
Further details of the invention are explained in more detail below with reference to an embodiment shown in the drawings. It shows:
Fig. 1
a strand machine in a simplified side view,
Fig. 2
a cross section through a strand unit of the strand machine on an enlarged scale.

Das in den Zeichnungen dargestellte Ausführungsbeispiel befaßt sich mit der Herstellung eines fortlaufenden Strangs, und zwar eines Zigarettenstrangs 10. Dieser besteht aus einem inneren Tabakstrang 11 und einer Außenumhüllung 12 aus Zigarettenpapier.The embodiment shown in the drawings is concerned deal with making a continuous strand, namely of a cigarette rod 10. This consists of an inner Tobacco strand 11 and an outer wrapper 12 made of cigarette paper.

Fig. 1 zeigt wesentliche Organe einer (Zigaretten-)Strangmaschine. Kern derselben ist eine Strangeinheit 13. In deren Bereich wird der Tabakstrang 11 mit der Außenumhüllung 12 vereinigt, und zwar in der Weise, daß die Außenumhüllung 12 während fortlaufenden Transports um den Tabakstrang 11 herumgeformt wird. Einander überlappende Ränder der Außenumhüllung 12 werden durch Klebung miteinander verbunden.Fig. 1 shows essential organs of a (cigarette) rod machine. The core of this is a strand unit 13. In its area the tobacco rod 11 is combined with the outer casing 12, in such a way that the outer envelope 12 during continuous transport around the tobacco rod 11 formed becomes. Overlapping edges of the outer wrapper 12 are bonded together by gluing.

Der in bekannter Weise gebildete Tabakstrang 11 wird durch ein Tabakband 14 von oben her zugeführt. Das Tabakband 14 ist mit einem Fördertrum unter einem spitzen Winkel schräggerichtet. Das Tabakband 14 ist als Saugband ausgebildet, so daß der Tabakstrang durch Saugluft am unteren Trum des Tabakbandes 14 gehalten und transportiert wird. Das Tabakband 14 ist durch Seitenbegrenzungen so ausgebildet, daß der am Tabakband 14 anliegende Tabakstrang 11 bereits vorgeformt ist, nämlich einen annähernd runden Querschnitt aufweist und so in die Strangeinheit 13 eingefördert wird.The tobacco rod 11 formed in a known manner is replaced by a Tobacco tape 14 fed from above. The tobacco band 14 is with a conveyor run obliquely at an acute angle. The tobacco belt 14 is designed as a suction belt, so that the tobacco rod held by suction air on the lower run of the tobacco band 14 and is transported. The tobacco band 14 is by side boundaries formed so that the adjacent tobacco band 14 Tobacco strand 11 is already preformed, namely approximately has a round cross section and thus into the strand unit 13 is promoted.

Der Tabakstrang 11 wird außerhalb bzw. vor der Strangeinheit 13 auf der als ebener Materialstreifen zugeführten Außenumhüllung 12 abgelegt. Eine Einheit aus Tabakstrang 11 und Außenumhüllung 12 läuft demnach in kontinuierlicher Bewegung in die Strangeinheit 13. Die Außenumhüllung 12 bzw. der Materialstreifen zur Bildung derselben wird von einer Bobine (nicht gezeigt) abgezogen.The tobacco rod 11 is outside or in front of the rod unit 13 on the outer wrapping supplied as a flat strip of material 12 filed. A unit of tobacco rod 11 and outer wrapper 12 therefore runs in continuous motion into the strand unit 13. The outer casing 12 or the material strip for Formation thereof is subtracted from a bobbin (not shown).

Die Außenumhüllung 12 bzw. der Materialstreifen wird abgelegt auf einem Bandförderer, nämlich einem Formband 15. Dieses ist so über Umlenkwalzen 16, 17 geführt, daß ein oberer langgestreckter Fördertrum 18 gebildet ist. Diesem wird zunächst die Außenumhüllung 12 und danach der Tabakstrang 11 zugeführt und auf der Außenumhüllung 12 abgelegt.The outer covering 12 or the material strip is deposited on a belt conveyor, namely a forming belt 15. This is so guided over deflection rollers 16, 17 that an upper elongated Fördertrum 18 is formed. This will be the first Outer casing 12 and then the tobacco rod 11 fed and deposited on the outer casing 12.

Das Formband 15 wird in der Strangeinheit 13 zusammen mit der Außenumhüllung 12 und dem Tabakstrang 11 verformt, so daß die Außenumhüllung 12 unter Bildung des Zigarettenstrangs 10 den Tabakstrang 11 umgibt. Hierfür sind innerhalb der Strangeinheit 13 ortsfeste, sich in Förderrichtung erstreckende Formwerkzeuge bzw. Hüllorgane positioniert, nämlich ein feststehendes Formbett 19. Dieses verändert sich im Querschnitt fortlaufend, nämlich aus einer an der Eintrittsseite (rechts in Fig. 1) ebenen Ausgangsstellung bis in eine den Tabakstrang bzw. Zigarettenstrang 10 nahezu vollständig umhüllenden Hohlform. Das langgestreckte Formbett 19 vollzieht diese Änderung der Querschnittsform fortlaufend, stufenlos, so daß die unter Anlage am Formbett 19 geförderten streifenförmigen Teile, nämlich Formband 15 und Außenumhüllung 12, während des Transports allmählich bis zur Form des Zigarettenstrangs 10 verformt werden. Das Formbett 19 ist in einer der Form angepaßten Halterung 20 positioniert.The forming belt 15 is in the strand unit 13 together with the Outer casing 12 and the tobacco rod 11 deformed so that the Outer casing 12 to form the cigarette rod 10 den Tobacco strand 11 surrounds. For this are within the strand unit 13 stationary forming tools that extend in the conveying direction or enveloping organs positioned, namely a fixed mold bed 19. This changes continuously in cross-section, namely from a level on the entry side (right in Fig. 1) Starting position up to the tobacco rod or cigarette rod 10 almost completely enveloping hollow shape. The elongated Mold bed 19 performs this change in cross-sectional shape continuously, continuously, so that the under plant on Form bed 19 promoted strip-shaped parts, namely forming tape 15 and outer wrapper 12, gradually during transportation are deformed to the shape of the cigarette rod 10. The Mold bed 19 is positioned in a holder 20 adapted to the shape.

Bei dem vorliegenden Ausführungsbeispiel einer Strangmaschine liegt das Formband 15 bzw. dessen Fördertrum 18 nur mittelbar am Formbett 19 an. Zwischen Formband 15 und Formbett 19 befindet sich ein Zwischenorgan, nämlich ein Ausgleichsband 21. Dieses ebenfalls endlose Band ist über Umlenkwalzen 22, 23 geführt, die aufgrund der Relativanordnung einen horizontalen Trum 24 bilden. Dieser verläuft in einer Ebene zwischen dem Formband 15 bzw. dessen Fördertrum 18 und der Oberfläche des Formbetts 19. Das Ausgleichsband 21 bzw. dessen horizontaler Trum 24 liegt demnach an dem Formbett 19 an. Durch das Formbett 19 erzeugte Reibung entsteht demnach nicht gegenüber dem Formband 15, sondern gegenüber dem Ausgleichsband 21.In the present embodiment, a strand machine is the forming belt 15 or its conveyor strand 18 only indirectly on the form bed 19. Located between the forming belt 15 and the forming bed 19 there is an intermediate body, namely a compensation band 21. This also endless belt is guided over deflecting rollers 22, 23, the horizontal due to the relative arrangement Form strand 24. This runs in a plane between the Form belt 15 or its conveyor strand 18 and the surface of the Formbeds 19. The compensating belt 21 or its horizontal Run 24 therefore lies against the mold bed 19. Through the mold bed 19 generated friction therefore does not arise compared to the forming belt 15, but compared to the compensation band 21st

Um die Auswirkungen der Reibung, insbesondere die Wärmebildung, zu reduzieren, wird das Ausgleichsband 21 in besonderer Weise angetrieben, nämlich durch eine Antriebswalze 25. Die Bewegung des Ausgleichsbandes 21 ist mit der des Formbandes 15 gleichgerichtet. Die Geschwindigkeit des Ausgleichsbandes 21 ist jedoch deutlich geringer als die des Formbandes 15. Zweckmäßigerweise wird das Ausgleichsband 21 etwa mit der halben Geschwindigkeit des Formbandes 15 bewegt. Dadurch entsteht zum einen eine reduzierte Reibung zwischen Ausgleichsband 21 und Formbett 19. Des weiteren entsteht eine ebenfalls reduzierte Reibung zwischen Formband 15 und Ausgleichsband 21. Dies wiederum führt zu einer reduzierten Wärme. Außerdem entsteht durch das Ausgleichsband 21 ein zusätzliches flächiges Organ zum Abführen der Wärme aus der Strangeinheit 13.To understand the effects of friction, especially heat, to reduce the compensation band 21 in a special way driven, namely by a drive roller 25. The movement of the compensating belt 21 is aligned with that of the forming belt 15. However, the speed of the compensating belt 21 is significantly less than that of the forming belt 15. Conveniently is the compensating belt 21 at about half the speed of the forming belt 15 moves. On the one hand, this creates a reduced Friction between compensating belt 21 and form bed 19. Des further reduced friction between Forming belt 15 and compensating belt 21. This in turn leads to a reduced heat. In addition, the compensating band creates 21 an additional flat organ for dissipating the heat the strand unit 13.

Das Ausgleichsband 21 besteht zweckmäßigerweise aus besonderem, ausgewähltem Material. Dieses soll eine hohe Wärmeleitfähigkeit aufweisen und andererseits einen niedrigen Reibungsbeiwert. Geeignet ist ein dünnes Federstahlband. Dieses hat zudem noch eine hohe Festigkeit.The compensating band 21 expediently consists of special selected material. This is said to have high thermal conductivity and on the other hand have a low coefficient of friction. Suitable is a thin spring steel band. This also has high strength.

Bei dem vorliegenden Ausführungsbeispiel gemäß Fig. 2 besteht das Formbett 19 aus einem Formkörper mit muldenförmiger Formfläche 26. In diese ist eine Vertiefung 27 eingelassen, die sich in Förderrichtung erstreckt. In der ebenfalls muldenförmigen Vertiefung laufen aneinanderliegend das Formband 15 und das Ausgleichsband 21. Die Formfläche 26 bzw. die Vertiefung 27 verändert sich in Förderrichtung derart, daß die Bänder 15 und 21 zunehmend mit der Außenumhüllung 12 den Tabakstrang 11 umgeben. Das Ausgleichsband 21 gleitet dabei an der Formfläche 26 im Bereich der Vertiefung 27. Die Abmessungen sind dabei so gewählt, daß die Außenumhüllung 12 über das Formband 15 und damit über das Ausgleichsband 21 seitlich hinwegragt und außerhalb der Vertiefung 27 an der Formfläche 26 anliegt.In the present embodiment shown in FIG. 2 the mold bed 19 from a molded body with a trough-shaped mold surface 26. A recess 27 is embedded in this, the extends in the conveying direction. In the also trough-shaped Well run the forming tape 15 and the Compensation band 21. The shaped surface 26 or the depression 27 changes in the conveying direction such that the belts 15 and 21 increasingly surround the tobacco rod 11 with the outer wrapper 12. The compensation band 21 slides on the molding surface 26 in the area of the recess 27. The dimensions are chosen so that the outer casing 12 over the forming belt 15 and thus protrudes laterally beyond the compensating band 21 and outside the recess 27 abuts the molding surface 26.

Zur zusätzlichen Ableitung von Wärme ist im Körper des Formbetts 19 ein Absaugkanal 28 angeordnet, der mit einer Mehrzahl von in Längsrichtung mit Abstand voneinander angeordneten, quergerichteten Bohrungen 29 mit der Formfläche 26 bzw. der Vertiefung 27 verbunden ist. Über den Absaugkanal 28 kann Luft abgesaugt und damit von außen kühlere Luft zugeführt werden. Alternativ ist es auch möglich, über den Absaugkanal 28 Kühlluft zuzuführen. Dieser wirkt in diesem Falle als Druckluftkanal.For additional heat dissipation is in the body of the molded bed 19 a suction channel 28 arranged with a plurality of spaced apart in the longitudinal direction, transverse bores 29 with the shaped surface 26 and the Recess 27 is connected. Air can pass through the suction channel 28 extracted and thus cooler air can be supplied from the outside. Alternatively, it is also possible to use the suction channel 28 for cooling air feed. In this case, this acts as a compressed air duct.

Eine Besonderheit besteht darin, daß Bohrungen 30 auch im Ausgleichsband 21 angeordnet sind. Eine Reihe solcher Bohrungen 30 erstreckt sich in Längsrichtung des Ausgleichsbands 21, und zwar in der Mitte desselben, benachbart zu den Bohrungen 29 im Formbett 19. Über die Bohrungen 30 wird Unterdruck im Bereich des Formbandes 15 erzeugt, also auch eine Kühlung.A special feature is that bores 30 also in the compensation band 21 are arranged. A number of such holes 30 extends in the longitudinal direction of the compensating belt 21, and in the middle of the same, adjacent to the holes 29 in Form bed 19. Via the holes 30, negative pressure in the area of the forming belt 15, so also cooling.

Eine weitere Besonderheit der Bohrungen 29, 30 und des Absaugkanals 28 besteht darin, daß infolge des Unterdrucks die Bänder 15 und 21 exakt an die Formfläche 26 der Vertiefung 27 bzw. des Formbetts 19 angedrückt bzw. angesaugt werden. Dadurch ergibt sich eine exaktere Verformung beider Bänder 15, 21.Another special feature of the holes 29, 30 and the suction channel 28 is that the tapes due to the negative pressure 15 and 21 exactly on the shaped surface 26 of the recess 27 and the Form bed 19 are pressed or sucked. This gives there is a more precise deformation of both bands 15, 21.

Oberhalb des Tabakstrangs 11 verläuft ein Formschuh 31. Dieser formt den Tabakstrang 11 auf der freien, oberen Seite. Der Formschuh 31 hat ein sich in Längsrichtung veränderndes Profil, nämlich mit abnehmender Wandstärke.A shaped shoe 31 runs above the tobacco rod 11 forms the tobacco rod 11 on the free, upper side. Of the Molded shoe 31 has a profile that changes in the longitudinal direction, namely with decreasing wall thickness.

Zur Verbesserung des Kühleffekts ist vorgesehen, daß die Bänder, nämlich Formband 15 einerseits und Ausgleichsband 21 andererseits, außerhalb der Strangeinheit 13 durch ein Kühlaggregat 32, 33 laufen. Dieses kann aus einem Aggregat mit Kühlluft, aber auch mit einem anderen Kühlmedium bestehen. To improve the cooling effect, it is provided that the tapes, namely forming belt 15 on the one hand and compensating belt 21 on the other hand, outside the strand unit 13 by a cooling unit 32, 33 run. This can consist of a unit with cooling air, but also exist with another cooling medium.

Bezugszeichenliste:Reference symbol list:

1010th
ZigarettenstrangCigarette stick
1111
TabakstrangTobacco rod
1212th
AußenumhüllungOuter wrapping
1313
StrangeinheitStrand unit
1414
TabakbandTobacco ribbon
1515
FormbandForm ribbon
1616
UmlenkwalzeDeflection roller
1717th
UmlenkwalzeDeflection roller
1818th
FördertrumFunding strand
1919th
FormbettShaped bed
2020th
Halterungbracket
2121
AusgleichsbandCompensation band
2222
UmlenkwalzeDeflection roller
2323
UmlenkwalzeDeflection roller
2424th
TrumRun
2525th
AntriebswalzeDrive roller
2626
FormflächeMolding surface
2727
Vertiefungdeepening
2828
AbsaugkanalSuction channel
2929
Bohrungdrilling
3030th
Bohrungdrilling
3131
FormschuhMolded shoe
3232
KühlaggregatCooling unit
3333
KühlaggregatCooling unit

Claims (6)

Verfahren zum Herstellen eines fortlaufenden Strangs mit einer Außenumhüllung (12), insbesondere eines Zigarettenstrangs (10) aus einem Tabakstrang (11) und der Außenumhüllung (12) aus Zigarettenpapier, wobei die als Materialstreifen fortlaufend zugeführte Außenumhüllung (12) mit dem einzuhüllenden Material, insbesondere Tabak, auf einem Förderer aufliegend, insbesondere auf einem Formband (15), durch (feststehende) an einer freien Seite des Formbands (15) anliegende Hüllorgane während des Transports zu einem Strang geformt werden, dadurch gekennzeichnet, daß im Bereich des Formbett (19) durch größere bzw. zusätzliche Oberflächen und/oder durch Verwendung von Material guter Wärmeleitfähigkeit Wärme abgeführt wird.Method for producing a continuous strand with an outer wrapper (12), in particular a cigarette rod (10) from a tobacco rod (11) and the outer wrapper (12) made of cigarette paper, the outer wrapper (12), which is continuously supplied as material strips, with the material to be wrapped, in particular Tobacco, lying on a conveyor, in particular on a shaping belt (15), is formed into a strand by wrapping elements (fixed) lying against a free side of the shaping belt (15) during transport , characterized in that in the region of the shaping bed (19) heat is dissipated by larger or additional surfaces and / or by using material with good thermal conductivity. Vorrichtung zum Herstellen eines fortlaufenden Strangs mit einer Außenumhüllung (12), insbesondere zum Herstellen eines Zigarettenstrangs (10) mit einem Tabakstrang (11) und einer Außenumhüllung (12) aus Zigarettenpapier, wobei die als Materialstreifen fortlaufend zugeführte Außenumhüllung (12) mit dem einzuhüllenden Material auf einem Förderer, insbesondere einem Formband (15) aufliegend an (ortsfesten) Formbetten (19) vorbeibewegbar ist, die während des Transports Außenumhüllung (12) und (Tabak-)Strang (11) zur Bildung eines (Zigaretten-) Strangs (10) verformen, wobei das Formband (15) gleitend am Formbett (19) anliegt, dadurch gekennzeichnet, daß das Formband (15) an einer zwischen dem Formband (15) und dem Formbett (19) angeordneten, warmeableitenden Zwischenlage anliegt.Device for producing a continuous strand with an outer wrapper (12), in particular for producing a cigarette rod (10) with a tobacco rod (11) and an outer wrapper (12) from cigarette paper, the outer wrapper (12) continuously supplied as material strips with the material to be wrapped on a conveyor, in particular a shaping belt (15) lying on (stationary) shaping beds (19) can be moved past, the outer casing (12) and (tobacco) strand (11) during formation to form a (cigarette) strand (10) deform, the molding tape (15) slidingly abutting the molding bed (19), characterized in that the molding tape (15) rests on a heat-dissipating intermediate layer arranged between the molding tape (15) and the molding bed (19). Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß die Zwischenlage ein wärmeabführendes Ausgleichsband (21) ist, welches in derselben Richtung wie das Formband (15) angetrieben und zwischen diesem und dem Formbett (19) verläuft unter Anlage an diesem.Apparatus according to claim 2, characterized in that the intermediate layer is a heat-dissipating compensating belt (21) which is driven in the same direction as the forming belt (15) and runs between it and the forming bed (19) in abutment against the latter. Vorrichtung nach Anspruch 2 oder 3, dadurch gekennzeichnet, daß das Ausgleichsband (21) mit gegenüber dem Formband (15) reduzierter Geschwindigkeit angetrieben ist, insbesondere etwa mit der halben Geschwindigkeit des Formbandes (15), derart, daß zwischen dem Formband (15) einerseits und dem Ausgleichsband (21) andererseits sowie zwischen dem Ausgleichsband (21) einerseits und dem Formbett (19) andererseits Reibung entsteht.Apparatus according to claim 2 or 3, characterized in that the compensating belt (21) is driven at a speed which is reduced compared to the forming belt (15), in particular approximately at half the speed of the forming belt (15), such that on the one hand between the forming belt (15) and the compensating belt (21) on the other hand and between the compensating belt (21) on the one hand and the mold bed (19) on the other hand, friction occurs. Vorrichtung nach Anspruch 3 oder einem der weiteren Ansprüche, dadurch gekennzeichnet, daß das Ausgleichsband (21) aus einem Material von hoher Wärmeleitfähigkeit und geringem Reibungsbeiwert besteht, insbesondere aus Federstahl.Device according to claim 3 or one of the further claims, characterized in that the compensating band (21) consists of a material of high thermal conductivity and a low coefficient of friction, in particular spring steel. Vorrichtung nach Anspruch 2 oder einem der weiteren Ansprüche, dadurch gekennzeichnet, daß Formband (15) und Ausgleichsband (21) durch Unterdruck an das Formbett bzw. an Formflächen (26) desselben andrückbar sind, vorzugsweise über (Saug-)Bohrungen (29, 30) im Formbett (19) und/oder im Ausgleichsband (21).Apparatus according to claim 2 or one of the further claims, characterized in that the molding tape (15) and compensating tape (21) can be pressed against the molding bed or molding surfaces (26) by negative pressure, preferably via (suction) bores (29, 30 ) in the shaped bed (19) and / or in the compensating belt (21).
EP98108594A 1997-05-21 1998-05-12 Method and device for producing a cigarette rod Expired - Lifetime EP0879564B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19721143A DE19721143A1 (en) 1997-05-21 1997-05-21 Method and device for producing a (cigarette) rod
DE19721143 1997-05-21

Publications (2)

Publication Number Publication Date
EP0879564A1 true EP0879564A1 (en) 1998-11-25
EP0879564B1 EP0879564B1 (en) 2001-10-31

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ID=7830018

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Application Number Title Priority Date Filing Date
EP98108594A Expired - Lifetime EP0879564B1 (en) 1997-05-21 1998-05-12 Method and device for producing a cigarette rod

Country Status (7)

Country Link
US (1) US6152145A (en)
EP (1) EP0879564B1 (en)
JP (1) JP3919937B2 (en)
KR (1) KR19980087214A (en)
CN (1) CN1106162C (en)
BR (1) BR9801667A (en)
DE (2) DE19721143A1 (en)

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US6508253B2 (en) 1998-08-06 2003-01-21 Japan Tobacco Inc. Belt-type compression molding apparatus for a tobacco stream
WO2003028493A1 (en) * 2001-09-27 2003-04-10 Japan Tobacco Inc. Bar-like article forming device
WO2018158167A1 (en) 2017-03-02 2018-09-07 International Tobacco Machinery Poland Sp. Z O.O. A method for reducing stress of a garniture belt in a tobacco industry machine, a method for reducing rejection in a tobacco industry machine and a garniture device for a tobacco industry machine

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US7243656B2 (en) 2000-12-13 2007-07-17 Japan Tobacco Inc. Machine for manufacturing rod-like article
CN1655696A (en) * 2002-04-26 2005-08-17 日本烟草产业株式会社 Bar-like article forming device
CA2521320C (en) * 2003-04-07 2008-11-04 Japan Tobacco Inc. Cigarette making machine and method
DE10354815A1 (en) 2003-11-21 2005-06-30 Hauni Maschinenbau Ag cooling
PL2120614T3 (en) * 2006-12-28 2013-08-30 Philip Morris Products Sa Various embodiments for producing a tobacco rod with a hollow passageway extending therethrough
DE102010051894A1 (en) 2010-11-22 2012-05-24 Hauni Maschinenbau Ag Format system and format parts for a strand production machine of the tobacco processing industry
WO2017114871A1 (en) * 2015-12-30 2017-07-06 Philip Morris Products S.A. Filter manufacturing apparatus
DE102016110545B3 (en) * 2016-06-08 2017-11-09 Hauni Maschinenbau Gmbh Cooling of a rotary organ of the tobacco processing industry
DE102017101929A1 (en) * 2017-02-01 2018-08-02 Hauni Maschinenbau Gmbh Method for producing a strand of the tobacco processing industry and strand forming device
US20220117292A1 (en) * 2020-10-21 2022-04-21 Altria Client Services Llc Garniture with insert
CN117750891A (en) * 2021-08-04 2024-03-22 日本烟草产业株式会社 Rolling machine and rolling method for filling rod

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WO2003028493A1 (en) * 2001-09-27 2003-04-10 Japan Tobacco Inc. Bar-like article forming device
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WO2018158167A1 (en) 2017-03-02 2018-09-07 International Tobacco Machinery Poland Sp. Z O.O. A method for reducing stress of a garniture belt in a tobacco industry machine, a method for reducing rejection in a tobacco industry machine and a garniture device for a tobacco industry machine

Also Published As

Publication number Publication date
EP0879564B1 (en) 2001-10-31
JPH1169964A (en) 1999-03-16
DE59801920D1 (en) 2001-12-06
CN1106162C (en) 2003-04-23
DE19721143A1 (en) 1998-11-26
US6152145A (en) 2000-11-28
JP3919937B2 (en) 2007-05-30
BR9801667A (en) 1999-09-14
CN1201627A (en) 1998-12-16
KR19980087214A (en) 1998-12-05

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