EP0595118A1 - Device for feeding a paper web - Google Patents

Device for feeding a paper web Download PDF

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Publication number
EP0595118A1
EP0595118A1 EP93116599A EP93116599A EP0595118A1 EP 0595118 A1 EP0595118 A1 EP 0595118A1 EP 93116599 A EP93116599 A EP 93116599A EP 93116599 A EP93116599 A EP 93116599A EP 0595118 A1 EP0595118 A1 EP 0595118A1
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EP
European Patent Office
Prior art keywords
strand
strip
enveloping
envelope
format
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP93116599A
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German (de)
French (fr)
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EP0595118B1 (en
Inventor
Andreas Herburg
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koerber Technologies GmbH
Original Assignee
Hauni Maschinenbau GmbH
Koerber AG
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Application filed by Hauni Maschinenbau GmbH, Koerber AG filed Critical Hauni Maschinenbau GmbH
Publication of EP0595118A1 publication Critical patent/EP0595118A1/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
    • A24C5/20—Reels; Supports for bobbins; Other accessories
    • 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
    • A24C5/31—Machines of the continuous-rod type with special arrangements coming into operation during starting, slowing-down or breakdown of the machine, e.g. for diverting or breaking the continuous rod

Definitions

  • the invention relates to a device for feeding an enveloping strip to a strand of smokable material or filter material from the tobacco processing industry, with a strand conveyor belt for conveying and transferring the strand onto a conveyor belt (format belt) carrying the enveloping strip, the strand and enveloping strip into a format for continuous Wrapping the strand with the envelope strips promotes.
  • a problem with feeding envelopes to the formats of single-strand or multi-strand machines of the tobacco processing industry for the manufacture of cigarettes or filter rods is that the beginning of an envelope has to be "threaded". This means that it must be ensured that the beginning of the envelope strip is carried along by the format belt during the operation of the strand machine, that is to say while a strand of tobacco or filter material is being conveyed, and is conveyed with the strand to the format.
  • the problem underlying the invention is to provide a new way of taking the beginning of the envelope.
  • the solution according to the invention consists in that a sliding element is provided which can be activated when the beginning of the envelope strip is fed in order to reduce the distance between the strand conveyor belt and the envelope strip.
  • the advantage associated with the invention is that the safety of taking an envelope start, especially when starting a strand machine, is improved.
  • the area of a two-strand cigarette machine e.g. B. of the type PROTOS 2 of the applicant known in the cigarette industry, in which the channel area B ends and the format area C begins.
  • the channel area has two channels 1a, 1b with walls 2a, 2b.
  • endless air-permeable strand conveyor belts 3a, 3b moved in the direction of arrow 5 run along surfaces 3a.1, 3b.1 (FIG. 2) in normal operation.
  • a tobacco rod 4a, 4b is held and conveyed on the strand conveyor belts by means of suction air (not shown).
  • the strand conveyor belts 3a, 3b the normal course of which is indicated in FIG.
  • One of the pairs of format tape rolls is driven, so that the upper runs of the format tapes 17a, 17b convey in the direction of arrow 5.
  • the tobacco rods 4a, 4b are placed in the format area C on the enveloping strips 11a, 11b carried along by the format tapes 17a, 17b.
  • format tapes and enveloping strips from a format bed are already slightly arched (indicated by E), so that the enveloping strips form a type of channel.
  • the enveloping strips are placed around the tobacco rods 4a, 4b, then in the seam area glued and glued to cigarette strands, not shown, from which single cigarettes of single or double fume length are then cut off.
  • so-called single-strand machines for example of the types PROTOS 70, 80, 90 and 100 of the applicant known in the cigarette industry, are designed, but each have only one tobacco channel, one tobacco conveyor belt, one tobacco rod, one envelope strip and one format.
  • a strand or two strands of filter material can also be supplied to format area C, which are also encased and glued with enveloping strips, after which individual filter rods are cut off from the filter strands (not shown) thus formed.
  • the applicant's extruders for producing filter rods are known in the cigarette industry under the type designations KDF 2, KDF 3, MULFI.
  • strand machines e.g. B.
  • strand machines of the aforementioned types of the applicant work in undisturbed operation
  • envelope strips are fed continuously, which get continuously on the format tapes.
  • Strands e.g. tobacco strands
  • both components i.e. the strands and the enveloping strips
  • both enveloping strips are placed around the strands and glued.
  • a displacement element 21a, 21b is provided for each strand conveyor belt 3a, 3b according to the invention, which can be activated when the initial part of an envelope strip is fed to reduce the distance X between the strand conveyor belt and the envelope strip to the distance X1.
  • the sliding element advantageously engages the strand conveyor belt 3a, 3b and shifts it for a certain period of time in the direction of the arrow 22, as a result of which the pressure between the envelope strip and the tobacco rod is increased so that the beginning of the envelope strip is reliably carried along and conveyed to the format.
  • the strand conveyor belts 3a, 3b are shown after moving.
  • the displacement element 21 can have plungers 23a, 23b, which each act on a tobacco conveyor belt 3a, 3b and for this purpose can be displaced by a common power element in the form of an electro-pneumatic actuating cylinder 24.
  • the control part 26 of the actuating cylinder 24 receives an activation pulse of a certain period of time from a control arrangement 27 as soon as it receives a measurement signal from a probe element 28a, 28b in the channel 12 at an input a or b.
  • the sensing elements 28a, 28b can be used as photoelectric buttons, e.g. B. be formed as photodiodes that emit a signal when in their detection area white paper, from which the envelopes mostly consist, appears, ie the previously existing dark color is replaced by a light one. This appearance of the beginning of an envelope strip 11a, 11b can still be coupled with certain operating states of the machine, e.g. B.
  • the electro-pneumatic actuating cylinder moves a piston rod 29 and with it the plungers 23a, 23b from a starting position for a predetermined time (shown in broken lines in FIG. 1) in the direction of arrow 22.
  • the conveyor belts 3a and 3b are moved out of the position shown in broken lines (3a.1, 3b.1 in FIG.

Abstract

The invention relates to a device for feeding a wrapping strip (11a, 11b), in a tow machine in the tobacco processing industry, for a tow (4a, 4b) which may consist of smokable material or filter material, and is conveyed by a tow conveyor belt (3a, 3b). The problem underlying the invention comprises ensuring reliable entrainment of the start of the wrapping strip to the garniture of the machine, in which the tow is wrapped with the wrapping strip. According to the invention, the problem is solved in that a displacement element (21a, 21b) is provided which can be activated, when the start of the wrapping strip is fed, to reduce the distance between the tow conveyor belt and the wrapping strip. As a result of the invention, simple threading of wrapping strips and reliable entrainment of the start of the wrapping strip are guaranteed. <IMAGE>

Description

Die Erfindung betrifft eine Vorrichtung zum Zuführen eines Hüllstreifens zu einem Strang aus rauchfähigem Material oder aus Filtermaterial der tabakverarbeitenden Industrie, mit einem Strangförderband zum Heranfördern und Übergeben des Stranges auf ein den Hüllstreifen tragendes Förderband (Formatband), das Strang und Hüllstreifen zu einem Format zum fortlaufenden Umhüllen des Stranges mit dem Hüllstreifen fördert.The invention relates to a device for feeding an enveloping strip to a strand of smokable material or filter material from the tobacco processing industry, with a strand conveyor belt for conveying and transferring the strand onto a conveyor belt (format belt) carrying the enveloping strip, the strand and enveloping strip into a format for continuous Wrapping the strand with the envelope strips promotes.

Beim Zuführen von Hülllstreifen zu den Formaten von Einstrang- oder Mehrstrangmaschinen der tabakverarbeitenden Industrie zum Herstellen von Zigaretten oder Filterstäben besteht ein Problem darin, daß der Anfang eines Hüllstreifens "eingefädelt" werden muß. Dies bedeutet, daß sichergestellt sein muß, daß der Hüllstreifenanfang während des Arbeitens der Strangmaschine, also während ein Strang aus Tabak oder Filtermaterial zu dem Format gefördert wird, von dem Formatband mitgenommen und mit dem Strang zu dem Format gefördert wird.
Das der Erfindung zugrundeliegende Problem besteht darin, eine neue Art der Mitnahme des Hüllstreifenanfangs vorzusehen.A problem with feeding envelopes to the formats of single-strand or multi-strand machines of the tobacco processing industry for the manufacture of cigarettes or filter rods is that the beginning of an envelope has to be "threaded". This means that it must be ensured that the beginning of the envelope strip is carried along by the format belt during the operation of the strand machine, that is to say while a strand of tobacco or filter material is being conveyed, and is conveyed with the strand to the format.
The problem underlying the invention is to provide a new way of taking the beginning of the envelope.

Die Lösung gemäß der Erfindung besteht darin, daß ein Verschiebeelement vorgesehen ist, das beim Zuführen des Hüllstreifenanfangs zum Verringern des Abstandes zwischen Strangförderband und Hüllstreifen aktivierbar ist.The solution according to the invention consists in that a sliding element is provided which can be activated when the beginning of the envelope strip is fed in order to reduce the distance between the strand conveyor belt and the envelope strip.

Weitere Ausgestaltungen der Erfindung sind den untergeordneten Ansprüchen zu entnehmen.Further embodiments of the invention can be found in the subordinate claims.

Der mit der Erfindung verbundene Vorteil besteht darin, daß die Sicherheit der Mitnahme eines Hüllstreifenanfanges, insbesondere beim Anfahren einer Strangmaschine, verbessert wird.The advantage associated with the invention is that the safety of taking an envelope start, especially when starting a strand machine, is improved.

Die Erfindung wird anhand eines Ausführungsbeispieles näher erläutert.The invention is explained in more detail using an exemplary embodiment.

Es zeigen:

Figur 1
das Ende des Kanalbereichs und den Beginn des Formatbereichs einer Zigarettenstrangmaschine in einer Seitenansicht,
Figur 2
eine Ansicht nach Pfeil A in Figur 1 mit geschnittenem Kanalbereich, in vergrößertem Maßstab.
Show it:
Figure 1
the end of the channel area and the beginning of the format area of a cigarette rod machine in a side view,
Figure 2
a view according to arrow A in Figure 1 with a cut channel area, on an enlarged scale.

In der Zeichnung ist der Bereich einer Zweistrang-Zigarettenmaschine, z. B. vom in der Zigarettenindustrie bekannten Typ PROTOS 2 der Anmelderin, dargestellt, in dem der Kanalbereich B endet und der Formatbereich C beginnt. Der Kanalbereich weist zwei Kanäle 1a, 1b mit Wänden 2a, 2b auf. Am Grunde jedes Kanals 1a, 1b laufen endlose luftdurchlässige in Richtung des Pfeils 5 bewegte Strangförderbänder 3a, 3b im Normalbetrieb an Flächen 3a.1, 3b.1 (Figur 2) entlang. An den Strangförderbändern werden mittels nicht dargestellter Saugluft jeweils ein Tabakstrang 4a, 4b gehalten und gefördert. Die Strangförderbänder 3a, 3b, deren Normalverlauf in Figur 1 mit 3a.1, 3b.1 angedeutet ist, werden über Rollen gefördert, von denen Rollen 8, 7, 8 und 9 dargestellt sind und von denen mindestens eine angetrieben ist.
Dem Formatbereich C werden außer den Tabaksträngen 4a, 4b auch zwei Hüllstreifen 11a, 11b aus Zigarettenpapier zugeführt, die aus einem Kanal 12 (oder aus zwei Kanälen) austreten, in denen sie durch Blasluft aus Kanälen 13.1 und 13.2 in Richtung des Pfeils 14 gefördert werden. Die Hüllstreifen sind über Rollen 16 geführt und werden zu Förderbändern 17a, 17b (Formatbänder) bewegt, die über Rollen geführt sind, von denen ein Rollenpaar 18a, 18b dargestellt ist. Jeweils eines der Formatbandrollenpaare ist angetrieben, so daß die Obertrums der Formatbänder 17a, 17b in Richtung des Pfeils 5 fördern.
Die Tabakstränge 4a, 4b werden im Formathereich C auf die von den Formatbändern 17a, 17b mitgenommenen Hüllstreifen 11a, 11b aufgelegt. In dem Auflagebereich D sind Formatbänder und Hüllstreifen von einem Formatbett schon etwas aufgewölbt (angedeutet mit E), so daß die Hüllstreifen eine Art Rinne bilden. In den im einzelnen nicht dargestellten bekannten Formaten 19a, 19b werden die Hüllstreifen um die Tabakstränge 4a, 4b herumgelegt, anschließend im Nahtbereich beleimt und zu nicht dargestellten Zigarettensträngen verklebt, von denen anschließend einzelne Zigaretten einfacher oder doppelter Gehrauchslänge abgeschnitten werden.
In ähnlicher Weise sind sogenannte Einstrang-Maschinen, z.B. von den in der Zigarettenindustrie bekannten Typen PROTOS 70, 80, 90 und 100 der Anmelderin, ausgebildet, die aber jeweils nur einen Tabakkanal, ein Tabakförderband, einen Tabakstrang, einen Hüllstreifen und ein Format aufweisen. Anstelle eines Tabakstranges kann dem Formatbereich C auch ein Strang oder zwei Stränge aus Filtermaterial zugeführt werden, die ebenfalls mit Hüllstreifen umhüllt und verklebt werden, wonach von den so gebildeten nicht dargestellten Filtersträngen einzelne Filterstäbe abgeschnitten werden. Strangmaschinen der Anmelderin zum Herstellen von Filterstäben sind unter den Typenbezeichnungen KDF 2, KDF 3, MULFI in der Zigarettenindustrie bekannt.In the drawing, the area of a two-strand cigarette machine, e.g. B. of the type PROTOS 2 of the applicant known in the cigarette industry, in which the channel area B ends and the format area C begins. The channel area has two channels 1a, 1b with walls 2a, 2b. At the bottom of each channel 1a, 1b, endless air-permeable strand conveyor belts 3a, 3b moved in the direction of arrow 5 run along surfaces 3a.1, 3b.1 (FIG. 2) in normal operation. A tobacco rod 4a, 4b is held and conveyed on the strand conveyor belts by means of suction air (not shown). The strand conveyor belts 3a, 3b, the normal course of which is indicated in FIG. 1 by 3a.1, 3b.1, are conveyed via rollers, of which rollers 8, 7, 8 and 9 are shown and at least one of which is driven.
In addition to the tobacco strands 4a, 4b, two wrapping strips 11a, 11b made of cigarette paper are fed to the format area C, which emerge from a channel 12 (or from two channels) in which they are conveyed by blowing air from channels 13.1 and 13.2 in the direction of the arrow 14 . The enveloping strips are guided over rollers 16 and are moved to conveyor belts 17a, 17b (format belts) which are guided over rollers, of which a pair of rollers 18a, 18b is shown. One of the pairs of format tape rolls is driven, so that the upper runs of the format tapes 17a, 17b convey in the direction of arrow 5.
The tobacco rods 4a, 4b are placed in the format area C on the enveloping strips 11a, 11b carried along by the format tapes 17a, 17b. In the support area D, format tapes and enveloping strips from a format bed are already slightly arched (indicated by E), so that the enveloping strips form a type of channel. In the known formats 19a, 19b, not shown in detail, the enveloping strips are placed around the tobacco rods 4a, 4b, then in the seam area glued and glued to cigarette strands, not shown, from which single cigarettes of single or double fume length are then cut off.
In a similar manner, so-called single-strand machines, for example of the types PROTOS 70, 80, 90 and 100 of the applicant known in the cigarette industry, are designed, but each have only one tobacco channel, one tobacco conveyor belt, one tobacco rod, one envelope strip and one format. Instead of a tobacco rod, a strand or two strands of filter material can also be supplied to format area C, which are also encased and glued with enveloping strips, after which individual filter rods are cut off from the filter strands (not shown) thus formed. The applicant's extruders for producing filter rods are known in the cigarette industry under the type designations KDF 2, KDF 3, MULFI.

Solange Strangmaschinen, z. B. Strangmaschinen der vorbenannten Typen der Anmelderin, im ungestörten Betrieb arbeiten, werden stetig Hüllstreifen zugeführt, die kontinuierlich auf die Formatbänder gelangen. Auf die Hüllstreifen werden Stränge (z. B. Tabakstränge) übergeben und beide Komponenten, also die Stränge und die Hüllstreifen, von den Formatbändern durch die Formate gefördert, wo beide Hüllstreifen um die Stränge gelegt und verklebt werden. Wird eine Maschine allerdings angehalten, z. B. nach einem Abriß eines Hüllstreifens, so kann das Anfahren der Maschine deshalb Schwierigkeiten bereiten, weil manchmal nicht sichergestellt ist, daß der Anfang eines Hüllstreifens stromabwärts der Rolle 16 von dem zugehörigen Formathand und dem zugehörigem Strang mitgenommen wird, weil bei einer Normalführung des Tabakförderbandes (entsprechend Linie 3a.1, 3b.1 in Figur 1) eine ausreichende Pressung erst kurz vor dem Format vorhanden ist. Um ein sicheres Mitnehmen eines Hüllstreifenanfangs zu gewährleisten, ist gemäß der Erfindung jeweils ein Verschiebeelement 21a, 21b für jedes Strangförderbnd 3a, 3b vorgesehen, das beim Zuführen des Anfangsteils eines Hüllstreifens zum Verringern des Abstandes X zwischen Strangförderband und Hüllstreifen auf den Abstand X1 aktivierbar ist. Vorteilhaft greift das Verschiebeelement an dem Strangförderband 3a, 3b an und verschiebt dieses während einer bestimmten Zeitspanne in Richtung des Pfeiles 22, wodurch die Pressung zwischen Hüllstreifen und Tabakstrang so erhöht wird, daß der Anfang des Hüllstreifens zuverlässig mitgenommen und zum Format gefördert wird. In den Figuren 1 (ausgezogen gezeichnet) und 2 sind die Strangförderbänder 3a, 3b nach dem Verschieben dargestellt. Das Verschiebeelement 21 kann Stößel 23a, 23b aufweisen, die auf jeweils ein Tabakförderband 3a, 3b einwirken und die hierzu von einem gemeinsamen Kraftelelement in Form eines elektro-pneumatischen Betätigungszylinders 24 verschiebbar sind. Der Steuerteil 26 des Betätigungszylinders 24 erhält von einer Steueranordnung 27 einen Aktivierungsimpuls einer bestimmten Zeitdauer, sobald sie an einem Eingang a oder b ein Meßsignal von einem Tastelement 28a, 28b im Kanal 12 erhält. Die Tastelemente 28a, 28b können als fotoelektrische Taster, z. B. als Fotodioden, ausgebildet sein, die ein Signal abgeben, wenn in ihrem Erfassungshereich weißes Papier, aus dem die Hüllstreifen zumeist bestehen, erscheint, d. h. die bisher vorhandene dunkle Farbe durch eine helle abgelöst wird. Dieses Erscheinen des Anfangs eines Hüllstreifens 11a, 11b kann noch mit bestimmten Betriebszuständen der Maschine gekoppelt sein, z. B. mit einem elektrischen Signal, das beim Anfahren der Maschine abgegeben wird, wodurch sichergestellt ist, daß das Tastelement das Erscheinen des Anfangs eines Hüllstreifens anzeigt.
Nach dem Aktivieren des Kraftelementes in Form des Betätigungszylinders 24, d. h. nach Beaufschlagen von dessen Steuerteil 26 durch einen Ausgangsimpuls der Steueranordnung 27, bewegt der elektro-pneumatische Betätigungszylinder eine Kolbenstange 29 und mit ihr die Stößel 23a, 23b, während einer vorgegebenen Zeit aus einer Ausgangsposition (in Figur 1 strichliert dargestellt) in Richtung des Pfeils 22. Dadurch werden die Strangförderbänder 3a und 3b aus der strichliert gezeichneten Position (3a.1, 3b.1 in Figur 1), d. h. von ihrer Anlagepositionan an entsprechenden Flächen in den Kanälen 1a, 1b (Figur 2), in die ausgezogen dargestellten Positionen überführt, so daß die Abstände X sich zu X1 verringern und dadurch die Pressung der Tabakstränge 4a, 4b auf die Anfänge der Hüllstreifen 11a, 11b so erhöht wird, daß die Hüllstreifen sicher mitgenommen werden.
Nach Verschwinden des Steuerimpulses am Steuerteil 26 bewegt der Betätigungszylinder 24 die Kolbenstange 29 und damit die Stößel 23a, 23b wieder entsprechend Pfeil 31 in ihre (in Figur 1 strichliert dargestellten) Ausgangspositionen zurück, in denen die Strangförderbänder 3a, 3b wieder in die in Figur 1 strichliert gezeigte Normalstellung (3a.1, 3b.1) gelangen, in der sie an den in Figur 2 mit 3a.1, 3b.1 bezeichneten Flächen anliegen.
Die Saugluft wird im Bereich der Stößel 23a, 23b zwar kurzzeitig unterbrochen, doch wird dadurch die Fördersicherheit der Tabakstränge 4a, 4b nicht beeinträchtigt.
Bei Strangmaschinen der tabakverarbeitenden Industrie, die jeweils nur einen Strang verarbeiten und die beispielsweise den vorgenannten PROTOS 70, 80, 90 u. 100-Typen entsprechen können, ist selbstverständlich nur ein Verschiebeelement 21 erforderlich.As long as strand machines, e.g. B. strand machines of the aforementioned types of the applicant work in undisturbed operation, envelope strips are fed continuously, which get continuously on the format tapes. Strands (e.g. tobacco strands) are transferred to the enveloping strips and both components, i.e. the strands and the enveloping strips, are conveyed through the formats by the format tapes, where both enveloping strips are placed around the strands and glued. However, if a machine is stopped, e.g. B. after a tear of an envelope, starting the machine can be difficult because sometimes it is not ensured that the start of an envelope downstream of the roller 16 is carried along by the associated format hand and the associated strand, because with normal operation of the tobacco conveyor belt (corresponding to line 3a.1, 3b.1 in Figure 1) sufficient pressing only shortly before Format exists. In order to ensure that a beginning of the envelope strip is carried safely, a displacement element 21a, 21b is provided for each strand conveyor belt 3a, 3b according to the invention, which can be activated when the initial part of an envelope strip is fed to reduce the distance X between the strand conveyor belt and the envelope strip to the distance X1. The sliding element advantageously engages the strand conveyor belt 3a, 3b and shifts it for a certain period of time in the direction of the arrow 22, as a result of which the pressure between the envelope strip and the tobacco rod is increased so that the beginning of the envelope strip is reliably carried along and conveyed to the format. In Figures 1 (drawn solid) and 2, the strand conveyor belts 3a, 3b are shown after moving. The displacement element 21 can have plungers 23a, 23b, which each act on a tobacco conveyor belt 3a, 3b and for this purpose can be displaced by a common power element in the form of an electro-pneumatic actuating cylinder 24. The control part 26 of the actuating cylinder 24 receives an activation pulse of a certain period of time from a control arrangement 27 as soon as it receives a measurement signal from a probe element 28a, 28b in the channel 12 at an input a or b. The sensing elements 28a, 28b can be used as photoelectric buttons, e.g. B. be formed as photodiodes that emit a signal when in their detection area white paper, from which the envelopes mostly consist, appears, ie the previously existing dark color is replaced by a light one. This appearance of the beginning of an envelope strip 11a, 11b can still be coupled with certain operating states of the machine, e.g. B. with an electrical signal that is given when starting the machine, thereby ensuring that the probe element the appearance of the beginning of an envelope.
After the activation of the force element in the form of the actuating cylinder 24, ie after the control part 26 is acted upon by an output pulse from the control arrangement 27, the electro-pneumatic actuating cylinder moves a piston rod 29 and with it the plungers 23a, 23b from a starting position for a predetermined time (shown in broken lines in FIG. 1) in the direction of arrow 22. As a result, the conveyor belts 3a and 3b are moved out of the position shown in broken lines (3a.1, 3b.1 in FIG. 1), ie from their contact position on corresponding surfaces in the channels 1a, 1b (Figure 2), transferred to the positions shown in solid lines, so that the distances X decrease to X1 and thereby the pressure of the tobacco strands 4a, 4b on the beginnings of the wrapping strips 11a, 11b is increased so that the wrapping strips are taken safely.
After the control pulse on the control part 26 has disappeared, the actuating cylinder 24 moves the piston rod 29 and thus the tappets 23a, 23b back to their starting positions (shown in broken lines in FIG. 1) in which the strand conveyor belts 3a, 3b return to the position in FIG. 1 Normal position shown in dashed lines (3a.1, 3b.1), in which they rest on the surfaces designated by 3a.1, 3b.1 in FIG.
The suction air is interrupted briefly in the area of the plungers 23a, 23b, but this does not impair the delivery safety of the tobacco rods 4a, 4b.
In extruders of the tobacco processing industry, each processing only one strand and which, for example, the aforementioned PROTOS 70, 80, 90 u. 100 types can correspond, of course, only one displacement element 21 is required.

Claims (5)

Vorrichtung zum Zuführen eines Hüllstreifens zu einem Strang aus rauchfähigem Material oder Filtermaterial der tabakverarbeitenden Industrie mit einem Strangförderband zum Heranfördern und Übergeben des Stranges auf ein den Hüllstreifen tragendes Förderhand (Formatband), das Strang und Hüllstreifen zu einem Format zum fortlaufenden Umhüllen des Stranges mit dem Hüllstreifen fördert, dadurch gekennzeichnet, daß ein Verschiebeelement (21) vorgesehen ist, das beim Zuführen des Hüllstreifenanfanges zum Verringern des Abstandes (X) zwischen Strangförderband (3) und Hüllstreifen (11) aktivierbar ist.Device for feeding an enveloping strip to a strand of smokable material or filter material of the tobacco processing industry with a strand conveyor belt for conveying and transferring the strand to a conveying hand (format belt) carrying the enveloping strip, the strand and enveloping strip in a format for continuously enveloping the strand with the enveloping strip promotes, characterized in that a sliding element (21) is provided which can be activated when feeding the envelope strip start to reduce the distance (X) between the strand conveyor belt (3) and envelope strip (11). Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß das Verschiebeelement (21) an dem Strangförderband (3) angreift und dieses in Richtung (22) auf den Hüllstreifen (11) verschiebt.Apparatus according to claim 1, characterized in that the displacement element (21) engages the strand conveyor belt (3) and displaces it in the direction (22) on the enveloping strip (11). Vorrichtung nach Anspruch 1 und/oder 2, dadurch gekennzeichnet, daß ein Tastelement (28) für den Hüllsteifenanfang vorgesehen ist, dessen Ausgangssignal ein Kraftelement (24) des Verschiebeelementes (21) im Sinne einer Verschiebung während einer bestimmten Zeit aktiviert.Apparatus according to claim 1 and / or 2, characterized in that a probe element (28) is provided for the beginning of the envelope stiffener, the output signal of which activates a force element (24) of the displacement element (21) in the sense of a displacement during a specific time. Vorrichtung nach einem oder mehreren der vorhergehenden Ansprüche, gekennzeichnet durch zwei nebeneinander angeordnete Strangförderbänder (3a, 3b), denen zwei Hüllstreifen (11a, 11b) zugeordnet sind, und durch zwei Verschiebeelemente (21a, 21b) zum Verringern der Abstände (X) zwischen den Strangförderbändern und den Hüllstreifen.Device according to one or more of the preceding claims, characterized by two strand conveyor belts (3a, 3b) arranged next to one another, to which two enveloping strips (11a, 11b) are assigned, and by two displacement elements (21a, 21b) for reducing the distances (X) between the Strand conveyor belts and the envelope. Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, daß ein gemeinsames Kraftelement (24) für die Verschiebeelemente (21a, 21b) vorgesehen ist.Apparatus according to claim 4, characterized in that a common force element (24) is provided for the displacement elements (21a, 21b).
EP93116599A 1992-10-30 1993-10-14 Device for feeding a paper web Expired - Lifetime EP0595118B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4236646 1992-10-30
DE4236646A DE4236646A1 (en) 1992-10-30 1992-10-30 Device for feeding an enveloping strip

Publications (2)

Publication Number Publication Date
EP0595118A1 true EP0595118A1 (en) 1994-05-04
EP0595118B1 EP0595118B1 (en) 1997-09-24

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Application Number Title Priority Date Filing Date
EP93116599A Expired - Lifetime EP0595118B1 (en) 1992-10-30 1993-10-14 Device for feeding a paper web

Country Status (6)

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US (1) US5361783A (en)
EP (1) EP0595118B1 (en)
JP (1) JP3413255B2 (en)
AT (1) ATE158477T1 (en)
DE (2) DE4236646A1 (en)
ES (1) ES2108183T3 (en)

Cited By (2)

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WO2000013533A1 (en) * 1998-09-04 2000-03-16 Molins Plc Apparatus for forming a tobacco stream
US7210486B2 (en) 2002-02-07 2007-05-01 Hauni Maschinenbau Ag Process and device for conveying a wrapper strip in a machine of the tobacco processing industry

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JP3357410B2 (en) * 1993-01-22 2002-12-16 日本たばこ産業株式会社 Strip feeder for tobacco manufacturing machine
DE19543672A1 (en) * 1995-11-23 1997-05-28 Hauni Maschinenbau Ag Arrangement for transferring a fiber strand of the tobacco processing industry from a suction strand conveyor onto a format belt guiding a wrapping material strip
DE19860391B4 (en) 1998-12-28 2009-12-10 Andreas Stihl Ag & Co. Portable implement with a four-stroke engine
ATE311774T1 (en) * 2003-06-20 2005-12-15 Hauni Maschinenbau Ag METHOD AND DEVICE FOR OPERATING A MACHINE IN THE TOBACCO PROCESSING INDUSTRY
ES2385761T3 (en) * 2006-12-28 2012-07-31 Philip Morris Products S.A. Production of a tobacco rod with a hollow cylindrical tube that extends along it
GB201222438D0 (en) 2012-12-13 2013-01-23 British American Tobacco Co Apparatus for processing a moving web of material

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GB2172490A (en) * 1985-03-19 1986-09-24 Gd Spa Feed mechanism for strip material
GB2187172A (en) * 1986-02-28 1987-09-03 Gd Spa Guiding paper web to cigarette manufacturing machine

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US7210486B2 (en) 2002-02-07 2007-05-01 Hauni Maschinenbau Ag Process and device for conveying a wrapper strip in a machine of the tobacco processing industry

Also Published As

Publication number Publication date
JPH06209754A (en) 1994-08-02
JP3413255B2 (en) 2003-06-03
DE4236646A1 (en) 1994-05-05
DE59307425D1 (en) 1997-10-30
US5361783A (en) 1994-11-08
ATE158477T1 (en) 1997-10-15
ES2108183T3 (en) 1997-12-16
EP0595118B1 (en) 1997-09-24

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