EP1314486B1 - Cleaning device for a glue applying device - Google Patents

Cleaning device for a glue applying device Download PDF

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Publication number
EP1314486B1
EP1314486B1 EP02024067A EP02024067A EP1314486B1 EP 1314486 B1 EP1314486 B1 EP 1314486B1 EP 02024067 A EP02024067 A EP 02024067A EP 02024067 A EP02024067 A EP 02024067A EP 1314486 B1 EP1314486 B1 EP 1314486B1
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EP
European Patent Office
Prior art keywords
chamber
glue
cleaning
glue application
cleaning device
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
Application number
EP02024067A
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German (de)
French (fr)
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EP1314486A2 (en
EP1314486A3 (en
Inventor
Berthold Maiwald
Torsten Mörke
Karl-Heinz Pawelko
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Koerber Technologies GmbH
Original Assignee
Hauni Maschinenbau GmbH
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Publication date
Application filed by Hauni Maschinenbau GmbH filed Critical Hauni Maschinenbau GmbH
Publication of EP1314486A2 publication Critical patent/EP1314486A2/en
Publication of EP1314486A3 publication Critical patent/EP1314486A3/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
    • B05C5/0254—Coating heads with slot-shaped outlet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
    • B05B15/52—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter for removal of clogging particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
    • B05B15/55—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter using cleaning fluids

Definitions

  • the invention relates to a cleaning device of a machine of the tobacco-processing industry for a glue application member, the glue in a working position on a material web, in particular paper web, applying and can be brought into a cleaning position in the cleaning device, wherein at least one scraping element provided for cleaning the glue application member in a chamber is.
  • the invention relates to a device with a glue application member and a cleaning device and a machine of the tobacco processing industry, in particular for the production of cigarettes or the like and a method for cleaning a glue applicator of the tobacco processing industry, from a working position for applying glue to a web , In particular paper web, is brought to a cleaning position in a cleaning device, wherein the glue application member is cleaned by means of at least one scraping element in a chamber.
  • JP-A-11300261 discloses an apparatus for removing paint from a paint coater.
  • the apparatus has a scraper for removing paint remaining on the paint coater and is itself cleaned with a solvent after such a paint removal operation.
  • a glue application nozzle which is immersed in a liquid bath for cleaning the nozzle and preserving the adhesive in the nozzle.
  • the nozzle is closed to the environment during business interruption so that the liquid adhesive in the nozzle does not dry or harden. Since the glue nozzle is repeatedly introduced into the same cleaning bath, with each immersion of the nozzle in the liquid bath, the liquid is increasingly polluted.
  • European Patent Application EP 1 000 863 A1 discloses a glue application device for applying glue to packages.
  • a rotatable roller is used, which serves as a cleaning and closing element for the glue nozzle.
  • the roller is immersed in a water bath. During operation, a contamination of the water bath and the role used here arises.
  • a glue nozzle head which has a plurality of nozzles for applying a specific glue pattern on a continuously running paper strip.
  • the paper strip provided with the glue pattern is subsequently cut and wound around the filter piece of a cigarette.
  • the object is in a cleaning device of a machine of the tobacco-processing industry for a glue applicator, the glue in a working position on a material web, in particular paper web, applying and can be brought into a cleaning position in the cleaning device, wherein at least one scraping element for cleaning the Leim Huaweisorgans in a chamber is provided, solved in that the chamber is provided for receiving a liquid and that the chamber has at least one sealing means for sealing against the glue application member. Stubborn residues are removed in particular by the glueing nozzle according to the invention from a glue nozzle which has been produced or hardened, for example, during the application of the glue. The scraping element can thus scrape off the glue image disturbing glue lugs from the glue application member.
  • the at least one scraping element linear and / or transversely to the glue applicator is movable.
  • the cleaning effect can be enhanced if at least one chamber for receiving a liquid is provided in the cleaning device.
  • the cleaning of Leimaustrittsdüsen or the Leim réellesorgans can be carried out under machine shutdown under exclusion of air.
  • the liquid in the chamber may be admixed with a cleaning action-promoting substance (solvent).
  • At least one level sensor for the liquid is provided in the chamber. Thanks to the level sensor, it is possible to reliably monitor the preservation of a cleaned glue unit.
  • the at least one scraper element is hydraulically and / or pneumatically movable, since such a motion guide is easy to train.
  • the preservation of the glue application member after cleaning can be improved by providing at least one sealing means for sealing the chamber.
  • the seal ensures that the liquid in the chamber is not contaminated by dust particles and prevents the liquid from evaporating during long downtimes of the machine.
  • the cleaning device has at least one overflow. This overflow ensures that excess fluid flows away after filling the chamber and after reaching a predetermined liquid level.
  • the cleaning device is height-adjustable and / or has at least one pressing means for pressing against the glue application member.
  • the cleaning device is advantageously height-adjustable.
  • the pressing means ensure reliable contact of the scraping element and / or the cleaning device with the glue nozzle during cleaning and preservation.
  • a further solution of the problem is provided by a device with a glue application member and a cleaning device according to the invention described above.
  • the device is understood here as a structural unit and entity, so that the advantageous effects are achieved in the interaction of glue application and cleaning device.
  • At least one means for pivoting the glue application member is provided.
  • a glue nozzle is introduced into the cleaning device during machine interruption or shutdown and then cleaned.
  • the glue application member is pivoted back into the working position by the pivot means.
  • a further solution of the problem consists in a method for cleaning a glue applicator of the tobacco processing industry, which is brought from a working position for applying glue on a material web, in particular paper web, in a cleaning position in a cleaning device, wherein the glue application element by means of at least one scraping element in a chamber is cleaned, in that the glue application member is arranged in a chamber for cleaning, wherein the chamber is sealed with at least one sealing means against the glue application member.
  • the at least one scraping element is moved along the glue application member, in particular hydraulically or pneumatically.
  • the cleaning effect by the scraping element is increased if at least one liquid is introduced into at least one chamber of the cleaning device.
  • the glue applicator to be cleaned is arranged.
  • a liquid a solvent for the glue can be used on and in the nozzles of the glue application member.
  • a further advantage results if, after the cleaning of the glue application member, the liquid in the chamber of the cleaning device is exchanged.
  • the sizing agent is preserved in an aqueous, non-polluted atmosphere. Due to the airtight seal succeeds that when restarting the machine, the gluing results in a reliable good glue pattern on a paper web immediately with the start.
  • the liquid level in the chamber is displayed and / or monitored.
  • the object is also achieved by means of a machine of the tobacco processing industry, in particular for the production of cigarettes or the like, with a cleaning device, as described above.
  • FIGs 1 a), 1 b) and 1 c) three positions of a glue application head 3 are shown.
  • the glue application head is part of a device which consists of a nozzle head 3 and a cleaning device 13 for the nozzle head 3.
  • the nozzle head 3 has already been described in the German application DE 100 19 930 A1 by the patent applicant, so that reference is made to this with regard to all further details.
  • Fig. 1 a the working position 15 of the glue application head 3 is shown, on which a paper web 12 is guided past by means of corresponding rollers or pulleys according to the drawn transport direction.
  • the nozzle head 3 is in the working position 15 (12 o'clock position) and brings in a corresponding manner a desired glue pattern on the paper web 12 from below.
  • the device 1 according to the invention belonging to (1) washing device 13 is disposed below the glue nozzle 3.
  • the cleaning position for the glue application head 3 is shown in Fig. 1 b), in which the glue application head 3 from the working position 15 (Fig. 1 a)) is brought to a cleaning position 16 by pivoting the glue application head 3 by 180 °.
  • the glue application head 3 is oriented downwards (6 o'clock position).
  • FIG. 2 shows a detailed view of the device 1, in which the nozzle tip 3 of the glue application head is in a cleaning position 16 (6 o'clock position). Below the downwardly directed nozzle head 3, a washing container 13 for the nozzle tip 3 is arranged. The washing container 13 can be moved vertically up and down via compressed air cylinder 9. Furthermore, the washing container 13 is sealed laterally relative to the glue application head 3 by means of seals 10 in the upper region.
  • a scraper 2 is arranged, which can be moved along the glue nozzle outlet openings.
  • a scraper guide 5 is formed, wherein the scraper 2 is pneumatically moved by compressed air.
  • the washing container has an inlet or outlet 8 for water or another cleaning liquid.
  • an overflow 7 is provided, which is connected via a line with a riser 4 for measuring the liquid level in the washing tank 13.
  • a level sensor 11 is arranged, which may be formed as a capacitive or optical sensor.
  • the design of the level sensor 11 can be realized as a float.
  • FIG. 3 A side view in cross section of the device 1 of Fig. 2 is shown in Fig. 3. It can be seen that the scraper 2 is connected via a guide 5 and linkage with compressed air cylinders 6, so that the scraper 2 in the chamber 17 of the washing container 13 is movable. To the washing tank 13, a line 8 is attached to the supply and discharge of fresh and waste water, so that after the cleaning of the nozzle head 3, the liquid is exchanged in the chamber 17. As a result, the cleaned nozzle head 3 can be preserved until its next use in the aqueous environment.
  • the nozzle head 3 is brought from the working position 15 in the cleaning position 16.
  • the washing container 13 can be additionally lowered, so that the nozzle head 3 is pivoted into the cleaning position 16.
  • the cleaning chamber 13 is raised to the nozzle head 3 and sealed the gap.
  • the chamber 17 is filled with water until the scraper 2 and the glue nozzles are submerged (signal of the level sensor 11).
  • the scraper 2 moves along the nozzle head 3 and the guide 5, so that the nozzle edge or the glue outlet openings be removed from glue or paper dust deposits.
  • the hot water is pumped into a hot water tank via line 8.
  • the chamber 17 is filled with fresh water after draining the hot water.
  • the nozzle head 3 remains in the cleaning position 16 until the machine is restarted.
  • the nozzle gluing is in this waiting position. If the water level does not drop, the nozzle gluing is continuously conserved.
  • the chamber is emptied and then the nozzle head 3 is pivoted into its working position 15.
  • the glue can be pre-pumped into the washing container 13 in the cleaning position 16 of the glue application head 3 to ensure that the glue is not diluted by the water during the first application of glue.

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  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)
  • Coating Apparatus (AREA)
  • Cleaning In General (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Closures For Containers (AREA)
  • Sanitary Thin Papers (AREA)

Abstract

The device (1) has at least one scraper (2) which scrapes excess glue from the glue-spreading unit. <??>An Independent claim is also included for the glue-spreading unit cleaning method.

Description

Die Erfindung betrifft eine Reinigungseinrichtung einer Maschine der Tabak verarbeitenden Industrie für ein Leimauftragsorgan, das Leim in einer Arbeitsposition auf eine Materialbahn, insbesondere Papierbahn, aufbringt und in eine Reinigungsposition in der Reinigungseinrichtung bringbar ist, wobei wenigstens ein Schabelement zur Reinigung des Leimauftragsorgans in einer Kammer vorgesehen ist. Ferner betrifft die Erfindung eine Einrichtung mit einem Leimauftragsorgan und einer Reinigungseinrichtung sowie eine Maschine der Tabak verarbeitenden Industrie, insbesondere zur Herstellung von Zigaretten oder dergleichen und ein Verfahren zum Reinigen eines Leimauftragsorgans der Tabak verarbeitenden Industrie, das von einer Arbeitsposition zum Auftrag von Leim auf eine Materialbahn, insbesondere Papierbahn, in eine Reinigungsposition in einer Reinigungseinrichtung gebracht wird, wobei das Leimauftragsorgan mittels wenigstens eines Schabelements in einer Kammer gereinigt wird.The invention relates to a cleaning device of a machine of the tobacco-processing industry for a glue application member, the glue in a working position on a material web, in particular paper web, applying and can be brought into a cleaning position in the cleaning device, wherein at least one scraping element provided for cleaning the glue application member in a chamber is. Furthermore, the invention relates to a device with a glue application member and a cleaning device and a machine of the tobacco processing industry, in particular for the production of cigarettes or the like and a method for cleaning a glue applicator of the tobacco processing industry, from a working position for applying glue to a web , In particular paper web, is brought to a cleaning position in a cleaning device, wherein the glue application member is cleaned by means of at least one scraping element in a chamber.

In US-A-4 469 043 ist ein gattungsgemäßer Reinigungsmechanismus für eine Düse beschrieben, wobei mittels der Düse Beschichtungen auf Gegenstände und Substrate wie z.B. Textilien oder Metall aufgebracht werden. Zur Reinigung der Düse sind Schabelemente in einer Kammer vorgesehen.In US-A-4 469 043 a generic cleaning mechanism for a nozzle is described, wherein by means of the nozzle coatings on objects and substrates such as e.g. Textiles or metal are applied. To clean the nozzle scraping elements are provided in a chamber.

In JP-A-11300261 ist eine Vorrichtung zur Farbenentfernung einer Farbbeschichtungseinrichtung beschrieben. Die Vorrichtung weist einen Schaber zur Entfernung von auf der Farbbeschichtungseinrichtung verbliebener Farbe auf und wird nach einem solchen Farbentfernungsvorgang selbst mit einem Lösungsmittel gereinigt.JP-A-11300261 discloses an apparatus for removing paint from a paint coater. The apparatus has a scraper for removing paint remaining on the paint coater and is itself cleaned with a solvent after such a paint removal operation.

Aus der Offenlegungsschrift DE 32 06 665 A1 ist eine Leimauftragsdüse bekannt, die zur Reinigung der Düse und Konservierung des Klebers in der Düse in ein Flüssigkeitsbad getaucht wird. Die Düse ist bei Betriebsunterbrechung gegenüber der Umwelt abgeschlossen, so dass der flüssige Klebstoff in der Düse nicht trocknet oder aushärtet. Da die Leimdüse immer wieder in das gleiche Reinigungsbad eingebracht wird, wird mit jedem Eintauchen der Düse in das Flüssigkeitsbad die Flüssigkeit zunehmend verschmutzt.From the published patent application DE 32 06 665 A1 a glue application nozzle is known, which is immersed in a liquid bath for cleaning the nozzle and preserving the adhesive in the nozzle. The nozzle is closed to the environment during business interruption so that the liquid adhesive in the nozzle does not dry or harden. Since the glue nozzle is repeatedly introduced into the same cleaning bath, with each immersion of the nozzle in the liquid bath, the liquid is increasingly polluted.

Aus der europäischen Patentanmeldung EP 1 000 863 A1 ist ein Leimauftragorgan zum Auftrag von Leim auf Packungen bekannt. Zur Reinigung des Aggregats wird eine drehbare Rolle verwendet, die als Reinigungs- und Verschlusselement für die Leimdüse dient. Zur Reinigung der Düse wird die Rolle in ein Wasserbad eingetaucht. Während des Betriebs entsteht auch hier eine Verschmutzung des Wasserbads und der eingesetzten Rolle.European Patent Application EP 1 000 863 A1 discloses a glue application device for applying glue to packages. To clean the unit a rotatable roller is used, which serves as a cleaning and closing element for the glue nozzle. To clean the nozzle, the roller is immersed in a water bath. During operation, a contamination of the water bath and the role used here arises.

Darüber hinaus ist aus der deutschen Offenlegungsschrift DE 100 19 930 A1 ein Leimdüsenkopf bekannt, der zur Aufbringung eines bestimmten Leimbildes auf einen kontinuierlich laufenden Papierstreifen mehrere Düsen aufweist. Der mit dem Leimbild versehene Papierstreifen wird nachfolgend geschnitten und um das Filterstück einer Zigarette gewickelt.In addition, from the German patent application DE 100 19 930 A1 a glue nozzle head is known, which has a plurality of nozzles for applying a specific glue pattern on a continuously running paper strip. The paper strip provided with the glue pattern is subsequently cut and wound around the filter piece of a cigarette.

Ausgehend von diesem Stand der Technik ist es Aufgabe der vorliegenden Erfindung, die Reinigung von Leimauftragsorganen von Maschinen der Tabak verarbeitenden Industrie zu verbessern.Based on this prior art, it is an object of the present invention to improve the cleaning of glue applicators of machines of the tobacco processing industry.

Die Lösung der Aufgabe erfolgt durch die kennzeichnenden Merkmale des Anspruchs 1. Vorteilhafte Ausgestaltungen sind in den Unteransprüchen beschrieben.The object is achieved by the characterizing features of claim 1. Advantageous embodiments are described in the subclaims.

Die Aufgabe wird bei einer Reinigungseinrichtung einer Maschine der Tabak verarbeitenden Industrie für ein Leimauftragsorgan, das Leim in einer Arbeitsposition auf eine Materialbahn, insbesondere Papierbahn, aufbringt und in eine Reinigungsposition in der Reinigungseinrichtung bringbar ist, wobei wenigstens ein Schabelement zur Reinigung des Leimauftragsorgans in einer Kammer vorgesehen ist, dadurch gelöst, dass die Kammer zur Aufnahme von einer Flüssigkeit vorgesehen ist und dass die Kammer wenigstens ein Abdichtmittel zum Abdichten gegen das Leimauftragsorgan aufweist. Durch das erfindungsgemäße Schabelement werden insbesondere auch hartnäckige Rückstände von einer Leimdüse entfernt, die beispielsweise während des Leimauftrags entstanden oder ausgehärtet sind. Das Schabelement kann somit für das Leimbild störende Leimnasen vom Leimauftragsorgan abkratzen.The object is in a cleaning device of a machine of the tobacco-processing industry for a glue applicator, the glue in a working position on a material web, in particular paper web, applying and can be brought into a cleaning position in the cleaning device, wherein at least one scraping element for cleaning the Leimauftragsorgans in a chamber is provided, solved in that the chamber is provided for receiving a liquid and that the chamber has at least one sealing means for sealing against the glue application member. Stubborn residues are removed in particular by the glueing nozzle according to the invention from a glue nozzle which has been produced or hardened, for example, during the application of the glue. The scraping element can thus scrape off the glue image disturbing glue lugs from the glue application member.

Um die Leimdüsen von Leim und/oder Papierstaubablagerungen zu befreien, ist es vorteilhaft, wenn das wenigstens eine Schabelement linear und/oder quer zum Leimauftragsorgan bewegbar ist.In order to free the glue nozzles of glue and / or paper dust deposits, it is advantageous if the at least one scraping element linear and / or transversely to the glue applicator is movable.

Die Reinigungswirkung kann verstärkt werden, wenn bei der Reinigungseinrichtung wenigstens eine Kammer zur Aufnahme einer Flüssigkeit vorgesehen ist. Somit kann die Reinigung der Leimaustrittsdüsen bzw. des Leimauftragsorgans bei Maschinenstillstand unter Luftabschluss durchgeführt werden. Darüber hinaus kann der Flüssigkeit in der Kammer eine, die Reinigungswirkung unterstützende Substanz (Lösungsmittel) beigemischt sein.The cleaning effect can be enhanced if at least one chamber for receiving a liquid is provided in the cleaning device. Thus, the cleaning of Leimaustrittsdüsen or the Leimauftragsorgans can be carried out under machine shutdown under exclusion of air. In addition, the liquid in the chamber may be admixed with a cleaning action-promoting substance (solvent).

Um die in die Kammer der Reinigungseinrichtung eingebrachte Reinigungsflüssigkeit auszutauschen, ist es vorteilhaft, wenn wenigstens ein Mittel zum Zulauf und/oder Ablauf der Flüssigkeit, insbesondere zum Zulauf/Ablauf von Brauch- und Frischwasser, vorgesehen ist. Dieses erfindungsgemäße Mittel ermöglicht einen schnellen Austausch von verunreinigten Flüssigkeiten, so dass nach einer Reinigung des Leimauftragsorgans z.B. Frischwasser, in die Kammer eingeführt wird. Dieses Frischwasser sorgt für eine luftdichte Konservierung der Leimdüsen, bis die Leimdüsen wieder in Arbeitsstellung gebracht werden.In order to exchange the introduced into the chamber of the cleaning device cleaning liquid, it is advantageous if at least one means for the inlet and / or outlet of the liquid, in particular to the inlet / outlet of hot and fresh water, is provided. This means according to the invention enables a rapid exchange of contaminated liquids, so that after a cleaning of the glue application member e.g. Fresh water is introduced into the chamber. This fresh water ensures airtight preservation of the glue nozzles until the glue nozzles are returned to their working position.

Ferner ist es in einer Weiterbildung der Erfindung von Vorteil, wenn wenigstens ein Füllstandssensor für die Flüssigkeit in der Kammer vorgesehen ist. Durch den Füllstandssensor gelingt es, die Konservierung eines gereinigten Leimaggregats zuverlässig zu überwachen.Furthermore, it is advantageous in a development of the invention if at least one level sensor for the liquid is provided in the chamber. Thanks to the level sensor, it is possible to reliably monitor the preservation of a cleaned glue unit.

Des Weiteren ist es vorzugswürdig, wenn das wenigstens eine Schabelement hydraulisch und/oder pneumatisch bewegbar ist, da eine derartige Bewegungsführung leicht auszubilden ist.Furthermore, it is preferable if the at least one scraper element is hydraulically and / or pneumatically movable, since such a motion guide is easy to train.

Darüber hinaus kann die Konservierung des Leimauftragsorgans nach einer Reinigung dadurch verbessert werden, dass wenigstens ein Abdichtmittel zum Abdichten der Kammer vorgesehen ist. Die Abdichtung sorgt dafür, dass die in der Kammer angeordnete Flüssigkeit nicht durch Staubpartikel verschmutzt wird, und verhindert die Verdunstung der Flüssigkeit bei langen Stillstandszeiten der Maschine.In addition, the preservation of the glue application member after cleaning can be improved by providing at least one sealing means for sealing the chamber. The seal ensures that the liquid in the chamber is not contaminated by dust particles and prevents the liquid from evaporating during long downtimes of the machine.

In einer vorteilhaften Weiterbildung weist die Reinigungseinrichtung wenigstens einen Überlauf auf. Dieser Überlauf sorgt dafür, dass überschüssige Flüssigkeit nach Auffüllung der Kammer und nach Erreichen eines vorbestimmten Flüssigkeitsniveaus wegfließt.In an advantageous development, the cleaning device has at least one overflow. This overflow ensures that excess fluid flows away after filling the chamber and after reaching a predetermined liquid level.

Des Weiteren ist es vorzugswürdig, wenn die Reinigungseinrichtung höhenverstellbar ist und/oder wenigstens ein Anpressmittel zum Andrücken an das Leimauftragsorgan aufweist. Hierdurch gelingt es, dass z.B. das wenigstens eine Schabelement unter Spannung an einen Leimdüsenkopf angesetzt werden kann, wodurch hartnäckige Leimnasen entfernt werden können. Zur Nachführung des wenigstens einen Schabelements ist vorteilhafterweise die Reinigungseinrichtung höhenverstellbar. Die Anpressmittel sorgen für einen zuverlässigen Kontakt des Schabelements und/oder der Reinigungseinrichtung mit der Leimdüse während der Reinigung und Konservierung.Furthermore, it is preferable if the cleaning device is height-adjustable and / or has at least one pressing means for pressing against the glue application member. This makes it possible, for example, for the at least one scraper can be applied under tension to a glue nozzle head, whereby stubborn glue lugs can be removed. For tracking the at least one scraping element, the cleaning device is advantageously height-adjustable. The pressing means ensure reliable contact of the scraping element and / or the cleaning device with the glue nozzle during cleaning and preservation.

Eine weitere Lösung der Aufgabe erfolgt durch eine Einrichtung mit einem Leimauftragsorgan und einer voranstehend beschriebenen, erfindungsgemäßen Reinigungseinrichtung. Die Einrichtung wird hierbei als bauliche Einheit und Gesamtheit verstanden, so dass im Zusammenwirken von Leimauftragsorgan und Reinigungseinrichtung die vorteilhaften Wirkungen erreicht werden.A further solution of the problem is provided by a device with a glue application member and a cleaning device according to the invention described above. The device is understood here as a structural unit and entity, so that the advantageous effects are achieved in the interaction of glue application and cleaning device.

In einer Weiterbildung der Einrichtung ist wenigstens ein Mittel zum Schwenken des Leimauftragsorgans vorgesehen. Hierdurch wird bei Maschinenunterbrechung bzw. -stillstand eine Leimdüse in die Reinigungseinrichtung eingebracht und anschließend gereinigt. Bei Anfahren der Maschine wird durch das Schwenkmittel das Leimauftragsorgan wieder in die Arbeitsposition geschwenkt.In a development of the device, at least one means for pivoting the glue application member is provided. As a result, a glue nozzle is introduced into the cleaning device during machine interruption or shutdown and then cleaned. When starting the machine, the glue application member is pivoted back into the working position by the pivot means.

Eine weitere Lösung der Aufgabe besteht bei einem Verfahren zum Reinigen eines Leimauftragsorgans der Tabak verarbeitenden Industrie, das von einer Arbeitsposition zum Auftrag von Leim auf eine Materialbahn, insbesondere Papierbahn, in eine Reinigungsposition in einer Reinigungseinrichtung gebracht wird, wobei das Leimauftragselement mittels wenigstens eines Schabelements in einer Kammer gereinigt wird, darin, dass das Leimauftragsorgan in einer Kammer zur Reinigung angeordnet wird, wobei die Kammer mit wenigstens einem Abdichtmittel gegen das Leimauftragsorgan abgedichtet ist. Außerdem ist es vorteilhaft, wenn das wenigstens eine Schabelement entlang des Leimauftragsorgans, insbesondere hydraulisch oder pneumatisch bewegt wird.A further solution of the problem consists in a method for cleaning a glue applicator of the tobacco processing industry, which is brought from a working position for applying glue on a material web, in particular paper web, in a cleaning position in a cleaning device, wherein the glue application element by means of at least one scraping element in a chamber is cleaned, in that the glue application member is arranged in a chamber for cleaning, wherein the chamber is sealed with at least one sealing means against the glue application member. Moreover, it is advantageous if the at least one scraping element is moved along the glue application member, in particular hydraulically or pneumatically.

Die Reinigungswirkung durch das Schabelement wird gesteigert, wenn wenigstens eine Flüssigkeit in wenigstens eine Kammer der Reinigungseinrichtung eingebracht wird. In der Kammer ist auch das zu reinigende Leimauftragsorgan angeordnet. Als Flüssigkeit kann ein Lösungsmittel für den Leim auf und in den Düsen des Leimauftragsorgans eingesetzt werden.The cleaning effect by the scraping element is increased if at least one liquid is introduced into at least one chamber of the cleaning device. In the chamber and the glue applicator to be cleaned is arranged. As a liquid, a solvent for the glue can be used on and in the nozzles of the glue application member.

Ein weiterer Vorteil ergibt sich, wenn nach der Reinigung des Leimauftragsorgans die Flüssigkeit in der Kammer der Reinigungseinrichtung ausgetauscht wird. Indem eine unverbrauchte und frische Flüssigkeit gegen die verschmutzte Flüssigkeit nach der Reinigung zur Verfügung gestellt wird, wird das Leimauftragsorgan in einer wässrigen, nicht-verschmutzten Atmosphäre konserviert. Durch den luftdichten Abschluß gelingt es, daß beim Wiederanfahren der Maschine die Beleimung unmittelbar mit dem Anlaufen ein zuverlässig gutes Leimbild auf eine Papierbahn ergibt.A further advantage results if, after the cleaning of the glue application member, the liquid in the chamber of the cleaning device is exchanged. By providing an unused and fresh liquid against the contaminated liquid after cleaning, the sizing agent is preserved in an aqueous, non-polluted atmosphere. Due to the airtight seal succeeds that when restarting the machine, the gluing results in a reliable good glue pattern on a paper web immediately with the start.

In einer Weiterbildung der Erfindung wird das Flüssigkeitsniveau in der Kammer angezeigt und/oder überwacht.In a development of the invention, the liquid level in the chamber is displayed and / or monitored.

Von Vorteil ist es ferner, wenn die Kammer entleert wird, bevor das Leimauftragsorgan in seine Arbeitsposition gebracht wird.It is also advantageous if the chamber is emptied before the glue application member is brought into its working position.

Gelöst wird die Aufgabe ebenfalls mittels einer Maschine der tabakverarbeitenden Industrie, insbesondere zur Herstellung von Zigaretten oder dergleichen, mit einer Reinigungseinrichtung, wie sie voranstehend beschrieben wurde.The object is also achieved by means of a machine of the tobacco processing industry, in particular for the production of cigarettes or the like, with a cleaning device, as described above.

Die Erfindung wird nachfolgend ohne Beschränkung des allgemeinen Erfindungsgedankens anhand eines Ausführungsbeispiels unter Bezugnahme auf die Zeichnungen exemplarisch beschrieben. Es zeigen:

Fig. 1 a) bis 1 c)
eine erfindungsgemäße Einrichtung in drei verschiedenen Betriebspositionen;
Fig. 2
eine Detailansicht der Einrichtung (Fig. 1 b)) und
Fig. 3
eine Queransicht der Einrichtung (Fig. 2).
The invention will be described below without limiting the general inventive idea using an exemplary embodiment described by way of example with reference to the drawings. Show it:
Fig. 1 a) to 1 c)
a device according to the invention in three different operating positions;
Fig. 2
a detailed view of the device (Fig. 1 b)) and
Fig. 3
a transverse view of the device (Fig. 2).

In den nachfolgenden Figuren sind jeweils gleiche oder entsprechende Teile mit denselben Bezugszeichen bezeichnet, so daß von einer erneuten Vorstellung entsprechend abgesehen wird.In the following figures, the same or corresponding parts are denoted by the same reference numerals, so that it is disregarded accordingly from a new idea.

In den Figuren 1 a), 1 b) und 1 c) sind drei Positionen eines Leimauftragungskopfes 3 dargestellt. Der Leimauftragungskopf ist Teil einer Einrichtung, die aus einem Düsenkopf 3 und einer Reinigungseinrichtung 13 für den Düsenkopf 3 besteht. Der Düsenkopf 3 wurde in der deutschen Anmeldung DE 100 19 930 A1 von der Patentanmelderin bereits beschrieben, so daß hinsichtlich aller weiteren Einzelheiten hierauf verwiesen wird.In Figures 1 a), 1 b) and 1 c) three positions of a glue application head 3 are shown. The glue application head is part of a device which consists of a nozzle head 3 and a cleaning device 13 for the nozzle head 3. The nozzle head 3 has already been described in the German application DE 100 19 930 A1 by the patent applicant, so that reference is made to this with regard to all further details.

In Fig. 1 a) ist die Arbeitsposition 15 des Leimauftragskopfes 3 dargestellt, an dem eine Papierbahn 12 mittels entsprechender Rollen bzw. Umlenkrollen gemäß der eingezeichneten Transportrichtung vorbeigeführt wird. Der Düsenkopf 3 ist in der Arbeitsstellung 15 (12-Uhr-Stellung) und bringt in entsprechender Weise ein gewünschtes Leimbild auf die Papierbahn 12 von unten auf.In Fig. 1 a), the working position 15 of the glue application head 3 is shown, on which a paper web 12 is guided past by means of corresponding rollers or pulleys according to the drawn transport direction. The nozzle head 3 is in the working position 15 (12 o'clock position) and brings in a corresponding manner a desired glue pattern on the paper web 12 from below.

Die zur Einrichtung 1 dazugehörende (erfindungsgemäße) Wascheinrichtung 13 ist unterhalb der Leimdüse 3 angeordnet.The device 1 according to the invention belonging to (1) washing device 13 is disposed below the glue nozzle 3.

Die Reinigungsposition für den Leimauftragskopf 3 ist in Fig. 1 b) dargestellt, bei der der Leimauftragskopf 3 von der Arbeitsposition 15 (Fig. 1 a)) in eine Reinigungsposition 16 durch Schwenken des Leimauftragskopf 3 um 180° gebracht wird. Der Leimauftragskopf 3 ist nach unten ausgerichtet (6-Uhr-Stellung). Darüber hinaus ist es ferner möglich, Wartungsarbeiten am Leimauftragskopf 3 auszuführen, wenn der Leimauftragskopf 3 beispielsweise um 90° (9-Uhr-Stellung) verschwenkt wird (Fig. 1 c)).The cleaning position for the glue application head 3 is shown in Fig. 1 b), in which the glue application head 3 from the working position 15 (Fig. 1 a)) is brought to a cleaning position 16 by pivoting the glue application head 3 by 180 °. The glue application head 3 is oriented downwards (6 o'clock position). Moreover, it is also possible to perform maintenance on the glue application head 3, when the glue application head 3, for example, by 90 ° (9 o'clock position) is pivoted (Fig. 1 c)).

In Fig. 2 ist eine Detailansicht der Einrichtung 1 dargestellt, bei der sich die Düsenspitze 3 des Leimauftragskopfs in einer Reinigungsposition 16 (6-Uhr-Stellung) befindet. Unterhalb des nach unten gerichteten Düsenkopfs 3 ist ein Waschbehälter 13 für die Düsenspitze 3 angeordnet. Der Waschbehälter 13 kann über Druckluftzylinder 9 vertikal auf- und abbewegt werden. Des weiteren ist der Waschbehälter 13 gegenüber dem Leimauftragskopf 3 mittels Dichtungen 10 im oberen Bereich seitlich abgedichtet.FIG. 2 shows a detailed view of the device 1, in which the nozzle tip 3 of the glue application head is in a cleaning position 16 (6 o'clock position). Below the downwardly directed nozzle head 3, a washing container 13 for the nozzle tip 3 is arranged. The washing container 13 can be moved vertically up and down via compressed air cylinder 9. Furthermore, the washing container 13 is sealed laterally relative to the glue application head 3 by means of seals 10 in the upper region.

Innerhalb des Waschbehälters 13 ist ein Schaber 2 angeordnet, der längs der Leimdüsenaustrittsöffnungen bewegt werden kann. Zur Bewegung des Schabers 2 im Waschbehälter 13 ist eine Schaberführung 5 ausgebildet, wobei der Schaber 2 durch Druckluftbeaufschlagung pneumatisch bewegt wird.Within the washing container 13, a scraper 2 is arranged, which can be moved along the glue nozzle outlet openings. For movement of the scraper 2 in the washing container 13, a scraper guide 5 is formed, wherein the scraper 2 is pneumatically moved by compressed air.

Ferner verfügt der Waschbehälter über einen Zulauf bzw. Ablauf 8 für Wasser oder eine andere Reinigungsflüssigkeit. Darüber hinaus ist auch ein Überlauf 7 vorgesehen, der über eine Leitung mit einem Steigrohr 4 zur Messung des Flüssigkeitsniveaus im Waschbehälter 13 verbunden ist. Am Steigrohr 4 ist ein Füllstandssensor 11 angeordnet, der als kapazitiver oder optischer Sensor ausgebildet sein kann. Darüber hinaus ist auch die Ausbildung des Füllstandssensor 11 als Schwimmer realisierbar.Furthermore, the washing container has an inlet or outlet 8 for water or another cleaning liquid. In addition, an overflow 7 is provided, which is connected via a line with a riser 4 for measuring the liquid level in the washing tank 13. At the riser 4, a level sensor 11 is arranged, which may be formed as a capacitive or optical sensor. In addition, the design of the level sensor 11 can be realized as a float.

Eine Seitenansicht im Querschnitt der Einrichtung 1 aus Fig. 2 ist in Fig. 3 gezeigt. Es ist erkennbar, daß der Schaber 2 über eine Führung 5 und Gestänge mit Druckluftzylindern 6 verbunden ist, so daß der Schaber 2 in der Kammer 17 des Waschbehälters 13 bewegbar ist. An den Waschbehälter 13 ist eine Leitung 8 zur Zuführung und Ableitung von Frisch- und Abwasser angebracht, so daß nach der Reinigung des Düsenkopfs 3 die Flüssigkeit in der Kammer 17 ausgetauscht wird. Hierdurch kann der gereinigte Düsenkopf 3 bis zu seinem nächsten Einsatz in der wässrigen Umgebung konserviert werden.A side view in cross section of the device 1 of Fig. 2 is shown in Fig. 3. It can be seen that the scraper 2 is connected via a guide 5 and linkage with compressed air cylinders 6, so that the scraper 2 in the chamber 17 of the washing container 13 is movable. To the washing tank 13, a line 8 is attached to the supply and discharge of fresh and waste water, so that after the cleaning of the nozzle head 3, the liquid is exchanged in the chamber 17. As a result, the cleaned nozzle head 3 can be preserved until its next use in the aqueous environment.

Nachfolgend wird ein Ausführungsbeispiel eines Reinigungsverfahrens exemplarisch beschrieben. Nachdem die Maschine gestoppt wurde, wird der Düsenkopf 3 aus der Arbeitsposition 15 in die Reinigungsposition 16 gebracht. Hierzu kann der Waschbehälter 13 zusätzlich abgesenkt werden, so daß der Düsenkopf 3 in die Reinigungsposition 16 geschwenkt wird. Anschließend wird die Reinigungskammer 13 an den Düsenkopf 3 angehoben und der Zwischenraum abgedichtet. Anschließend wird die Kammer 17 mit Wasser gefüllt, bis der Schaber 2 und die Leimdüsen unter Wasser gesetzt sind (Signal des Füllstandssensors 11). Zur Reinigung des Düsenkopfs 3 bewegt sich der Schaber 2 längs des Düsenkopfs 3 bzw. der Führung 5, so daß die Düsenkante oder die Leimaustrittsöffnungen von Leim- oder Papierstaubablagerungen befreit werden. Anschließend wird das Brauchwasser in einen Brauchwasserbehälter über die Leitung 8 abgepumpt.Hereinafter, an embodiment of a cleaning method will be described by way of example. After the machine has been stopped, the nozzle head 3 is brought from the working position 15 in the cleaning position 16. For this purpose, the washing container 13 can be additionally lowered, so that the nozzle head 3 is pivoted into the cleaning position 16. Subsequently, the cleaning chamber 13 is raised to the nozzle head 3 and sealed the gap. Subsequently, the chamber 17 is filled with water until the scraper 2 and the glue nozzles are submerged (signal of the level sensor 11). To clean the nozzle head 3, the scraper 2 moves along the nozzle head 3 and the guide 5, so that the nozzle edge or the glue outlet openings be removed from glue or paper dust deposits. Subsequently, the hot water is pumped into a hot water tank via line 8.

Um den Düsenkopf 3 zu konservieren, wird nach Abpumpen des Brauchwassers die Kammer 17 mit frischen Wasser aufgefüllt.In order to preserve the nozzle head 3, the chamber 17 is filled with fresh water after draining the hot water.

Der Düsenkopf 3 bleibt solange in der Reinigungsposition 16 bis die Maschine wieder gestartet wird. Die Düsenbeleimung befindet sich solange in dieser Wartestellung. Wenn das Wasserniveau nicht absinkt, ist die Düsenbeleimung fortlaufend konserviert. Beim Maschinenstart wird die Kammer entleert und anschließend der Düsenkopf 3 in seine Arbeitsposition 15 geschwenkt. Beim Wiederanfahren der Maschine nach einem längeren Stillstand kann in der Reinigungsposition 16 des Leimauftragskopfs 3 der Leim in den Waschbehälter 13 vorgepumpt werden, um sicherzustellen, daß beim ersten Leimauftrag der Leim nicht durch das Wasser verdünnt ist.The nozzle head 3 remains in the cleaning position 16 until the machine is restarted. The nozzle gluing is in this waiting position. If the water level does not drop, the nozzle gluing is continuously conserved. When the machine is started, the chamber is emptied and then the nozzle head 3 is pivoted into its working position 15. When restarting the machine after a longer standstill, the glue can be pre-pumped into the washing container 13 in the cleaning position 16 of the glue application head 3 to ensure that the glue is not diluted by the water during the first application of glue.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
EinrichtungFacility
22
Schaberscraper
33
Leimauftragskopfglue application
44
Steigrohr (Messung Wasserpegel)Riser (measuring water level)
55
Schaberführungscraper guide
66
DruckluftzylinderAir Cylinder
77
Überlaufoverflow
88th
Zulauf/AblaufwasserInlet / outlet water
99
DruckluftzylinderAir Cylinder
1010
Dichtungpoetry
1111
Füllstandsensorlevel sensor
1212
Papierbahnpaper web
1313
Waschbehälterwash tank
1414
Wasserwater
1515
Arbeitspositionworking position
1616
Reinigungspositioncleaning position
1717
Kammerchamber

Claims (16)

  1. Cleaning device (13) of a machine of the tobacco processing industry for a glue application element (3) which applies glue to a web (12) of material, in particular a paper web, in a working position (15) and is movable to a cleaning position (16) in the cleaning device (13), at least one scraping element (2) for cleaning the glue application element (3) being provided in a chamber (17), characterised in that the chamber (17) is provided to hold a liquid (14) and in that the chamber (17) has at least one sealing means (10) for sealing from the glue application element (3).
  2. Cleaning device (13) according to claim 1, characterised in that the at least one scraping element (2) is movable linearly and/or transversely with respect to the glue application element (3).
  3. Cleaning device (13) according to claim 1 or 2, characterised in that at least one means (8) for supplying and/or discharging the liquid (14), in particular service water and/or fresh water, is provided.
  4. Cleaning device (13) according to any one of claims 1 to 3, characterised in that at least one level sensor (11) is provided for the liquid (14) in the chamber (17).
  5. Cleaning device (13) according to one or more of claims 1 to 4, characterised in that at least one scraping element (2) is movable hydraulically and/or pneumatically.
  6. Cleaning device (13) according to one or more of claims 1 to 5, characterised in that the chamber (17) includes at least one overflow element (7).
  7. Cleaning device (13) according to one or more of claims 1 to 6, characterised in that the cleaning device (13) is height-adjustable and/or includes at least one pressure means (9) for pressing against the glue application element (3).
  8. Apparatus (1) comprising a glue application element (3) of the tobacco processing industry and a cleaning device (13) of the tobacco processing industry according to one or more of claims 1 to 7.
  9. Apparatus (1) according to claim 8, characterised in that at least one means for swivelling the glue application element (3) is provided.
  10. Method for cleaning a glue application element (3) of the tobacco processing industry which is movable from a working position (15) for applying glue to a web (12) of material, in particular a paper web, to a cleaning position (16) in a cleaning device (13), the glue application element (3) being cleaned by means of at least one scraping element (2) in a chamber (17), characterised in that the glue application element (3) is arranged in a chamber (17) for cleaning, the chamber (17) being sealed from the glue application element (3) by at least one sealing means (10).
  11. Method according to claim 10, characterised in that the at least one scraping element (2) is moved along the glue application element (3), in particular hydraulically and/or pneumatically.
  12. Method according to claim 10 or 11, characterised in that at least one liquid (14) is introduced into at least one chamber (17) of the cleaning device (13).
  13. Method according to claim 12, characterised in that after the cleaning of the glue application element (3) the liquid (14) is exchanged.
  14. Method according to claim 12 or 13, characterised in that the liquid level in the chamber (17) is displayed and/or monitored.
  15. Method according to one or more of claims 10 to 14, characterised in that the chamber (17) is emptied before the glue application element (3) is moved to its working position (15).
  16. Machine of the tobacco processing industry, in particular for manufacturing cigarettes or the like, including a cleaning device (13) according to one or more of claims 1 to 7.
EP02024067A 2001-11-21 2002-10-29 Cleaning device for a glue applying device Expired - Lifetime EP1314486B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10157054 2001-11-21
DE10157054A DE10157054A1 (en) 2001-11-21 2001-11-21 Cleaning device for a glue application element

Publications (3)

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EP1314486A2 EP1314486A2 (en) 2003-05-28
EP1314486A3 EP1314486A3 (en) 2004-01-28
EP1314486B1 true EP1314486B1 (en) 2006-12-06

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US (1) US7238233B2 (en)
EP (1) EP1314486B1 (en)
JP (1) JP4238295B2 (en)
CN (1) CN1251807C (en)
AT (1) ATE347449T1 (en)
DE (2) DE10157054A1 (en)
ES (1) ES2274939T3 (en)
PL (1) PL200278B1 (en)

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US20030094187A1 (en) 2003-05-22
PL357205A1 (en) 2003-06-02
ATE347449T1 (en) 2006-12-15
JP2003205271A (en) 2003-07-22
EP1314486A2 (en) 2003-05-28
ES2274939T3 (en) 2007-06-01
DE50208889D1 (en) 2007-01-18
PL200278B1 (en) 2008-12-31
CN1419967A (en) 2003-05-28
CN1251807C (en) 2006-04-19
JP4238295B2 (en) 2009-03-18
EP1314486A3 (en) 2004-01-28
US7238233B2 (en) 2007-07-03
DE10157054A1 (en) 2003-06-05

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