EP2007634B1 - Gluing apparatus - Google Patents

Gluing apparatus Download PDF

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Publication number
EP2007634B1
EP2007634B1 EP07723682A EP07723682A EP2007634B1 EP 2007634 B1 EP2007634 B1 EP 2007634B1 EP 07723682 A EP07723682 A EP 07723682A EP 07723682 A EP07723682 A EP 07723682A EP 2007634 B1 EP2007634 B1 EP 2007634B1
Authority
EP
European Patent Office
Prior art keywords
glue
roll
chamber
gluing apparatus
overflow
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.)
Active
Application number
EP07723682A
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German (de)
French (fr)
Other versions
EP2007634A1 (en
Inventor
Lutz Deckert
Klaus Krämer
Oliver Kress
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.)
KHS GmbH
Original Assignee
KHS GmbH
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Publication date
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Priority to PL07723682T priority Critical patent/PL2007634T3/en
Publication of EP2007634A1 publication Critical patent/EP2007634A1/en
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Publication of EP2007634B1 publication Critical patent/EP2007634B1/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65CLABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
    • B65C9/00Details of labelling machines or apparatus
    • B65C9/20Gluing the labels or articles
    • B65C9/22Gluing the labels or articles by wetting, e.g. by applying liquid glue or a liquid to a dry glue coating
    • B65C9/2247Gluing the labels or articles by wetting, e.g. by applying liquid glue or a liquid to a dry glue coating using liquid rollers or bands
    • B65C9/2269Means for controlling the liquid film on the rollers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65CLABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
    • B65C9/00Details of labelling machines or apparatus
    • B65C9/20Gluing the labels or articles
    • B65C9/22Gluing the labels or articles by wetting, e.g. by applying liquid glue or a liquid to a dry glue coating
    • B65C9/2247Gluing the labels or articles by wetting, e.g. by applying liquid glue or a liquid to a dry glue coating using liquid rollers or bands
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65CLABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
    • B65C9/00Details of labelling machines or apparatus
    • B65C2009/0071Details of glueing devices
    • B65C2009/0075Constructional details of glueing rollers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65CLABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
    • B65C9/00Details of labelling machines or apparatus
    • B65C2009/0071Details of glueing devices
    • B65C2009/0078Constructional details of doctor blades
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/17Surface bonding means and/or assemblymeans with work feeding or handling means
    • Y10T156/1702For plural parts or plural areas of single part
    • Y10T156/1744Means bringing discrete articles into assembled relationship
    • Y10T156/1768Means simultaneously conveying plural articles from a single source and serially presenting them to an assembly station
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/17Surface bonding means and/or assemblymeans with work feeding or handling means
    • Y10T156/1798Surface bonding means and/or assemblymeans with work feeding or handling means with liquid adhesive or adhesive activator applying means

Definitions

  • the invention relates to a gluing device with a glue roller and at least one glue application and distribution element.
  • Gluing devices for use in labeling machines are known in various designs and consist essentially of a usually strip-like glue application and distribution element and a glue roller which is circumferentially driven around its roll axis and thereby passes a glue delivery of a glue application and distribution element, so on the glue roller with the help of a glue scraper, a uniform glue application is generated, which is then transferred to the labels to be glued, either directly or indirectly by gluing labels pallets, with which the labels are removed from a label magazine.
  • a special feature of the invention is that the glue delivery of the glue application and distribution element is a glue chamber, which is formed on a bearing against the glue roller contact surface of the glue application and Vertelleriatas and closed at this contact surface by the glue roller. Et al due to the glue volume taken up in the glue chamber, the desired uniform application of glue is guaranteed.
  • the Leimcited- and Vertellerelement an associated with the glue delivery Leimpufferhunt, which serves to receive a certain glue volume.
  • this buffer chamber is also, inter alia, a uniform and Guaranteed independent of the performance of the labeller or the Etlkettieragates glue application, and in particular in a pulsating glue supply, for example via a trained as a piston pump glue pump.
  • connection between a connection for supplying the glue and the glue application, so that z. B. the amount of glue supplied via this connection can be slightly larger than the actual amount of glue applied to the glue roller. Also hereby is u.a. a uniform and independent of the performance of the labeller or the labeling unit glue application achievable.
  • 1 is a gluing device of a labeling unit of a machine, not shown, for labeling bottles or similar containers.
  • the gluing device consists in a conventional manner of a substantially strip-like glue application and distribution element 3 and from around a vertical roll axis circumferentially driven glue roller 4, to be provided with the Etikettenleim at the back and on the periphery of a label transport cylinder 6 (vacuum cylinder) held labels 2 or to be glued past labels pallets, as is known in the art.
  • the glue application and distribution element 3 has a strip-like, with its longitudinal extent parallel to the axis of the glue roller 1 oriented housing 3.1, in which inter alia a Helz worn 6 is provided and which on one longitudinal side
  • the contact surface 7 is for this purpose the circular cylindrical peripheral surface of the glue roller 4 according to part-circular arched.
  • the housing 3.1 is provided with an elongated recess which also parallel or approximately with its axis is oriented parallel to the roll axis of the glue roller 4 and forms a glue chamber 8, with a closed bottom 9 and a closed peripheral surface 10.
  • the glue chamber 8 is closed or covered by the glue roller 4.
  • a glue channel 11 is further formed, which extends in the direction of the longitudinal axis of the strip-like housing 3.1, is closed at the bottom of the housing 3.1 and opens a plurality of openings or holes 12 in the glue chamber 8.
  • the upper end of the glue channel 11 opens into an Leimpufferhunt 13, namely at the bottom of this chamber, which is provided at its upper portion with an overflow 14, in a likewise extending in the direction of the longitudinal axis of the strip-like housing 3.1 Leimüberlauf- or drain passage 15th empties.
  • connection 16 is further provided, which serves for supplying the glue and opens up into the Leimpuffersch 13.
  • the glue application and distribution element 3 and the housing 3.1 is held on a holder 17 which is provided on the labeling machine, not shown, or on the labeling unit, not shown.
  • the holder 17 is designed so that the glue application and distribution element 3, for example, for cleaning and maintenance purposes is completely wegschwenkbar, so in the weggeschwenkten state, the glue roller 4 and the glue application and distribution element 3 itself are freely accessible.
  • the holder 17 is formed so that the glue application and distributor element 3 conforms exactly to the corrugated bearing surface 7 to the glue roller 4, and pressed by at least one compression spring 18th
  • a spatula-like scraper 19 is still provided on the housing 3.1. This is formed, for example, by a biased during operation spring plate and is used to remove glue residues or label residues on the glue roller before the new glue application.
  • the scraper 19 is provided for this purpose in the direction of rotation A of the glue roller 4 in front of the contact surface 7 and the glue chamber 8.
  • a spatula-like glue scraper 20 is provided which serves for distributing and stripping the glue applied to the glue roller 4 and with the thickness of the glue application on the Peripheral surface of the glue roller 4 is adjustable, by adjusting the between the glue scraper 20 and the glue roller 4 formed gap by appropriate delivery of the glue application and distribution element 3.
  • the glue scraper 20 is for example also formed by a spring plate.
  • glue is constantly conveyed from a glue trough 21 to the connection 16 via which the glue chamber 8, the openings 12, the glue channel 11 and also the glue buffer chamber 13 are completely filled with glue. Excess, no longer taken up by the Leimpufferhunt 13 glue passes through the overflow 14 in the Leimüberlaufkanal 15 and from there back into the Leimwanne 21.
  • a vent 22 is provided at the top of the Leimpufferhunt 13, in the illustrated embodiment, directly above the overflow 14th
  • the glue chamber 8 is constantly filled with glue during operation over its entire height, so that the glue roller 4 moving past the open side of the glue chamber 8 is provided with a glue application over a width which corresponds to the longitudinal dimension of the glue chamber 8.
  • the connection 16 supplied amount of glue for example, is slightly larger than the amount of glue delivered to the glue roller 4, so that a portion of the supplied glue flows back into the glue trough 21 via the overflow 14 and the overflow channel 15 and thereby ensures that in the glue application and distribution element 3 always a sufficient amount of glue is present.
  • the housing 3.1 is formed by a block of a suitable material, for example of metal, in which by machining a the glue chamber 8 forming recess, the openings or holes 12, the glue channel 11, the Lei buffer chamber 13, the Overflow 14 and the overflow channel 15 are introduced.
  • the Leimpufferhunt 13 formed by a recess on the upper end face of the block 23 is covered by a lid 24 closed, on which, inter alia, the connection 16 and the venting channel 22 are provided.
  • the overflow 14 is a lateral extension of the Leimpuffersch 13 forming recess into the (extension) of the overflow channel 15 opens.

Landscapes

  • Coating Apparatus (AREA)
  • Labeling Devices (AREA)

Abstract

The invention relates to a glue application apparatus having at least one glue roll (4) which can be driven so as to rotate about its roll axis, and having at least one glue application and distribution element (3) for producing an application of ink on a circular-cylindrical circumferential face of the glue roll, which circumferential face surrounds the roll axis concentrically.

Description

Die Erfindung bezieht sich auf eine Beleimungsvorrichtung mit einer Leimwalze und wenigstens einem Leimauftrag- und Verteilerelement.The invention relates to a gluing device with a glue roller and at least one glue application and distribution element.

Beleimungsvorrichtungen zur Verwendung in Etikettiermaschinen, z.B. In Etikettieraggregaten solcher Maschinen sind In unterschiedlichsten Ausführungen bekannt und bestehen im Wesentlichen aus einen in der Regel leistenartigen Leimauftrag-und Verteilerelement und aus einer Leimwalze, die um ihre Walzenachse umlaufend antreibbar ist und sich dabei an einer Leimabgabe eines Leimauftrag- und Verteilerelementes vorbeibewegt, sodass auf der Leimwalze unter Mitwirkung eines Leimschabers ein gleichmäßiger Leimauftrag erzeugt wird, der dann auf die zu beleimenden Etiketten übertragen wird, und zwar entweder unmittelbar oder aber mittelbar durch Beleimen von Etikettenpaletten, mit denen die Etiketten einem Etikettenmagazin entnommen werden.Gluing devices for use in labeling machines, e.g. In labeling of such machines are known in various designs and consist essentially of a usually strip-like glue application and distribution element and a glue roller which is circumferentially driven around its roll axis and thereby passes a glue delivery of a glue application and distribution element, so on the glue roller with the help of a glue scraper, a uniform glue application is generated, which is then transferred to the labels to be glued, either directly or indirectly by gluing labels pallets, with which the labels are removed from a label magazine.

Aus der US 4,347,095 ist eine solche Beleimungsvorrichtung bekannt, bei der geschmolzener Leim in ein offenes Kopfvolumen geleitet wird und von dort in ein Beleimungsfenster fließt und zur Belegung der Oberfläche einer um eine vertikale Achse rotierende Leimwalze mit Heizlelm dient. Überschüssiger Leim wird vertikal nach oben in den Kopfraum zurück geführt. Problematisch gestaltet sich hierbei die sichere Dosierung des heißen Leims, wozu die US 4,347,095 einen photo-elektrischen Sensor zur Füllstandskontrolle vorschlägt.From the US 4,347,095 Such a gluing device is known in which molten glue is conducted into an open head volume and from there flows into a gluing window and serves to occupy the surface of a glue roller rotating around a vertical axis with a heating helix. Excess glue is returned vertically up to the headspace. The problem here is the safe dosage of hot glue, including the US 4,347,095 proposes a photoelectric sensor for level control.

Aufgabe der Erfindung Ist es, eine Beleimungsvorrichtung aufzuzeigen, die einen besonders gleichmäßigen und von der Leistung der Etikettiermaschine und/oder des Etikettieraggregates unabhängigen Leimauftrag gewährleistet. Zur Lösung dieser Aufgabe ist eine Beleimungsvorrichtung entsprechend dem Patentanspruch 1 ausgebildet.It is the object of the invention to provide a gluing device which ensures a particularly uniform glue application which is independent of the performance of the labeling machine and / or of the labeling unit. To solve this problem, a gluing device according to the patent claim 1 is formed.

Eine Besonderheit der Erfindung besteht darin, dass die Leimabgabe des Leimauftrag- und Verteilerelementes eine Leimkammer ist, die an einer gegen die Leimwalze anliegenden Anlagefläche des Leimauftrag- und Vertellerelementes gebildet und an dieser Anlagefläche durch die Leimwalze geschlossen ist. U.a. durch das in der Leimkammer aufgenommene Leimvolumen ist der angestrebte gleichmäßige Leimauftrag gewährleistet.A special feature of the invention is that the glue delivery of the glue application and distribution element is a glue chamber, which is formed on a bearing against the glue roller contact surface of the glue application and Vertellerelementes and closed at this contact surface by the glue roller. Et al due to the glue volume taken up in the glue chamber, the desired uniform application of glue is guaranteed.

Dabei weist das Leimauftrag- und Vertellerelement eine mit der Leimabgabe in Verbindung stehende Leimpufferkammer auf, die zur Aufnahme eines bestimmten Leim-Volumens dient. Durch diese Pufferkammer ist ebenfalls u. a. ein gleichmäßiger und von der Leistung der Etikettiermaschine bzw. des Etlkettieraggregates unabhängiger Leimauftrag sichergestellt, und zwar Insbesondere auch bei einer pulsierenden Leimzuführung, beispieleweise über eine als Kolbenpumpe ausgebildete Leimpumpe.In this case, the Leimauftrag- and Vertellerelement an associated with the glue delivery Leimpufferkammer, which serves to receive a certain glue volume. Through this buffer chamber is also, inter alia, a uniform and Guaranteed independent of the performance of the labeller or the Etlkettieragates glue application, and in particular in a pulsating glue supply, for example via a trained as a piston pump glue pump.

Weiterhin ist in der Verbindung zwischen einem Anschluss zum Zuführen des Leimes und dem Leimauftrag ein Überlauf vorgesehen, sodass z. B. die über diesen Anschluss zugeführte Leimmenge etwas größer gewählt werden kann als die tatsächliche, auf die Leimwalze ausgebrachte Leimmenge. Auch hiermit Ist u.a. ein gleichmäßiger und von der Leistung der Etikettiermaschine bzw. des Etikettieraggregates unabhängiger Leimauftrag erreichbar.Furthermore, an overflow is provided in the connection between a connection for supplying the glue and the glue application, so that z. B. the amount of glue supplied via this connection can be slightly larger than the actual amount of glue applied to the glue roller. Also hereby is u.a. a uniform and independent of the performance of the labeller or the labeling unit glue application achievable.

Weiterbildungen der Erfindung sind Gegenstand der Unteransprüche. Die Erfindung wird im Folgenden anhand der Figuren an einem Ausführungsbeispiel näher erläutert. Es zeigen-.

Fig. 1
in schematischer Darstellung das Leimauftragselement und die Leimwalze einer Beleimungsvorrichtung für Etiketten, zusammen mit einem Etiketten-übergabezylinder (z.B. Vakuumzylinder) eines ansonsten nicht dargestellten Etikettieraggregates einer Etikettiermaschine;
Fig. 2
in schematischer Darstellung das Leimauftrag- und Verteilerelement;
Fig. 3
eine Draufsicht auf das Leimauftrag- und Verteilerelement mehr im Detail;
Fig. 4
das Leimauftrag- und Verteilerelement in perspektivischer Darstellung;
Fig. 5
in vergrößerter Darstellung das obere Ende des Leimauftrag- und Verteilerelement bei abgenommenem, die Leimpufferkammer verschlleßendem Deckel.
Further developments of the invention are the subject of the dependent claims. The invention will be explained in more detail below with reference to the figures of an embodiment. Show it-.
Fig. 1
a schematic representation of the glue application element and the glue roller of a gluing device for labels, together with a label transfer cylinder (eg vacuum cylinder) of a labeling unit of a labeling machine, not otherwise shown;
Fig. 2
a schematic representation of the glue application and distribution element;
Fig. 3
a plan view of the glue application and distribution element in more detail;
Fig. 4
the glue application and distribution element in perspective view;
Fig. 5
in an enlarged view of the upper end of the glue application and distribution element with removed, the Leimpufferkammer verschlleßendem cover.

In den Figuren Ist 1 eine Beleimungsvorrichtung eines Etikettieraggregates einer nicht dargestellten Maschine zum Etikettieren von Flaschen oder dergleichen Behälter.In the figures, 1 is a gluing device of a labeling unit of a machine, not shown, for labeling bottles or similar containers.

Die Beleimungsvorrichtung besteht in an sich bekannter Weise aus einem im Wesentlichen leistenartigen Leimauftrag- und Verteilerelement 3 und aus der um eine vertikale Walzenachse umlaufend angetriebenen Leimwalze 4, an der die mit dem Etikettenleim an der Rückseite zu versehenen und am Umfang einen Etikettentransportzylinder 6 (Vakuumzylinder) gehaltenen Etiketten 2 oder aber zu beleimende Etikettenpaletten vorbeibewegt werden, wie dies dem Fachmann bekannt ist.The gluing device consists in a conventional manner of a substantially strip-like glue application and distribution element 3 and from around a vertical roll axis circumferentially driven glue roller 4, to be provided with the Etikettenleim at the back and on the periphery of a label transport cylinder 6 (vacuum cylinder) held labels 2 or to be glued past labels pallets, as is known in the art.

Das Leimauftrag- und Verteilerelement 3 besitzt ein leistenartiges, mit seiner Längserstreckung parallel zur Achse der Leimwalze 1 orientiertes Gehäuse 3.1, in welchem u. a. eine Helzeinrichtung 6 vorgesehen ist und welches an einer LängsseiteThe glue application and distribution element 3 has a strip-like, with its longitudinal extent parallel to the axis of the glue roller 1 oriented housing 3.1, in which inter alia a Helzeinrichtung 6 is provided and which on one longitudinal side

eine Anlagefläche 7 bildet, gegen die die Leimwalze 4 jeweils, mit einem Teil ihrer kreiszylinderförmigen Umfangsfläche dicht oder nahezu dicht anliegt. Die Anlagefläche 7 ist hierfür der kreiszylinderförmigen Umfangsfläche der Leimwalze 4 entsprechend teilkreisförmig gewölbt. An der Anlagefläche 7 ist das Gehäuse 3.1 mit einer langgestreckten Ausnehmung versehen, die mit ihrer Achse ebenfalls parallel oder annähernd parallel zur Walzenachse der Leimwalze 4 orientiert ist und eine Leimkammer 8 bildet, und zwar mit einem geschlossenen Boden 9 und einer geschlossenen Umfangsfläche 10. An der Anlagefläche 7 ist die Leimkammer 8 durch die Leimwalze 4 verschlossen bzw. abgedeckt.forms a contact surface 7, against which the glue roller 4 respectively, with a part of its circular cylindrical peripheral surface is tight or almost tight. The contact surface 7 is for this purpose the circular cylindrical peripheral surface of the glue roller 4 according to part-circular arched. At the contact surface 7, the housing 3.1 is provided with an elongated recess which also parallel or approximately with its axis is oriented parallel to the roll axis of the glue roller 4 and forms a glue chamber 8, with a closed bottom 9 and a closed peripheral surface 10. At the contact surface 7, the glue chamber 8 is closed or covered by the glue roller 4.

Im Inneren des Gehäuses 3.1 ist weiterhin ein Leimkanal 11 ausgebildet, der sich in Richtung der Längsachse des leistenartigen Gehäuses 3.1 erstreckt, an der Unterseite des Gehäuses 3.1 verschlossen ist und über eine Vielzahl von Öffnungen oder Bohrungen 12 in die Leimkammer 8 mündet.Inside the housing 3.1, a glue channel 11 is further formed, which extends in the direction of the longitudinal axis of the strip-like housing 3.1, is closed at the bottom of the housing 3.1 and opens a plurality of openings or holes 12 in the glue chamber 8.

Das obere Ende des Leimkanals 11 mündet in eine Leimpufferkammer 13, und zwar am Boden dieser Kammer, die an ihrem oberen Bereich mit einem Überlauf 14 versehen ist, der in einen sich ebenfalls in Richtung der Längsachse des leistenartigen Gehäuses 3.1 erstreckenden Leimüberlauf- oder Ablaufkanal 15 mündet.The upper end of the glue channel 11 opens into an Leimpufferkammer 13, namely at the bottom of this chamber, which is provided at its upper portion with an overflow 14, in a likewise extending in the direction of the longitudinal axis of the strip-like housing 3.1 Leimüberlauf- or drain passage 15th empties.

An der Oberseite des Gehäuses 3.1 ist weiterhin ein Anschluss 16 vorgesehen, der zum Zuführen des Leimes dient und oben in die Leimpufferkammer 13 mündet. Wie insbesondere die Figur 3 zeigt, ist das Leimauftrag- und Verteilerelement 3 bzw. das Gehäuse 3.1 an einer Halterung 17 gehalten, die an der nicht dargestellten Etikettiermaschine bzw. an dem nicht dargestellten Etikettieraggregat vorgesehen ist. Der Halter 17 ist so ausgebildet, dass das Leimauftrag- und Verteilerelement 3 beispielsweise für Reinigungs- und Wartungszwecke komplett wegschwenkbar ist, sodass im weggeschwenkten Zustand die Leimwalze 4 sowie das Leimauftrag- und Verteilerelement 3 selbst frei zugänglich sind. Weiterhin ist der Halter 17 so ausgebildet, dass das Leimauftrag- und Verteilerelement 3 sich mit der gewölbten Anlagefläche 7 exakt an die Leimwalze 4 anschmiegt, und zwar angedrückt durch wenigstens eine Druckfeder 18.At the top of the housing 3.1, a connection 16 is further provided, which serves for supplying the glue and opens up into the Leimpufferkammer 13. How the particular FIG. 3 shows, the glue application and distribution element 3 and the housing 3.1 is held on a holder 17 which is provided on the labeling machine, not shown, or on the labeling unit, not shown. The holder 17 is designed so that the glue application and distribution element 3, for example, for cleaning and maintenance purposes is completely wegschwenkbar, so in the weggeschwenkten state, the glue roller 4 and the glue application and distribution element 3 itself are freely accessible. Furthermore, the holder 17 is formed so that the glue application and distributor element 3 conforms exactly to the corrugated bearing surface 7 to the glue roller 4, and pressed by at least one compression spring 18th

Seitlich von der Anlagefläche 7 ist am Gehäuse 3.1 weiterhin ein spachtelartiger Abstreifer 19 vorgesehen. Dieser ist beispielsweise von einem im Betrieb vorgespannten Federblech gebildet und dient zum Entfernen von Leimresten oder Etikettenresten auf der Leimwalze vor dem neuen Leimauftrag. Der Abstreifer 19 ist hierfür in Umlaufrichtung A der Leimwalze 4 vor der Anlagefläche 7 und der Leimkammer 8 vorgesehen.Laterally from the contact surface 7, a spatula-like scraper 19 is still provided on the housing 3.1. This is formed, for example, by a biased during operation spring plate and is used to remove glue residues or label residues on the glue roller before the new glue application. The scraper 19 is provided for this purpose in the direction of rotation A of the glue roller 4 in front of the contact surface 7 and the glue chamber 8.

Am Gehäuse 3.1 ist seitlich von der Anlagefläche 7, aber in Drehrichtung A der Leimwalze 4 auf die Leimkammer folgend ein ebenfalls spachtelartiger Leimschaber 20 vorgesehen, der zum Verteilen und Abstreifen des auf die Leimwalze 4 aufgebrachten Leims dient und mit dem die Dicke des Leimauftrags auf der Umfangsfläche der Leimwalze 4 einstellbar ist, und zwar durch Einstellung des zwischen dem Leimschaber 20 und der Leimwalze 4 gebildeten Spaltes durch entsprechendes Zustellen des Leimauftrag- und Verteilerelementes 3. Der Leimschaber 20 ist beispielsweise ebenfalls von einem Federblech gebildet.On the housing 3.1 side of the contact surface 7, but in the direction of rotation A of the glue roller 4 following the glue chamber also a spatula-like glue scraper 20 is provided which serves for distributing and stripping the glue applied to the glue roller 4 and with the thickness of the glue application on the Peripheral surface of the glue roller 4 is adjustable, by adjusting the between the glue scraper 20 and the glue roller 4 formed gap by appropriate delivery of the glue application and distribution element 3. The glue scraper 20 is for example also formed by a spring plate.

Während des Betriebes der Beleimungsvorrichtung 1 wird über eine nicht dargestellte Leimpumpe aus einer Leimwanne 21 ständig Leim an den Anschluss 16 gefördert, über den die Leimkammer 8, die Öffnungen 12, der Leimkanal 11 und auch die Leimpufferkammer 13 vollständig mit Leim gefüllt werden. Überschüssiger, von der Leimpufferkammer 13 nicht mehr aufgenommener Leim gelangt über den Überlauf 14 in den Leimüberlaufkanal 15 und von dort zurück in die Leimwanne 21. Um ein blasenfreies Zuführen des Leimes an die Leimkammer 8 und die Leimpufferkammer 13 sowie auch den Überlauf des überschüssigen Leimes in den Überlaufkanal 15 zu ermöglichen, ist an der Oberseite der Leimpufferkammer 13 eine Entlüftung 22 vorgesehen, und zwar bei der dargestellten Ausführungsform unmittelbar über dem Überlauf 14.During operation of the glueing device 1 glue is constantly conveyed from a glue trough 21 to the connection 16 via which the glue chamber 8, the openings 12, the glue channel 11 and also the glue buffer chamber 13 are completely filled with glue. Excess, no longer taken up by the Leimpufferkammer 13 glue passes through the overflow 14 in the Leimüberlaufkanal 15 and from there back into the Leimwanne 21. To a bubble-free feeding of the glue to the glue chamber 8 and the Leimpufferkammer 13 and the overflow of the excess glue in to allow the overflow channel 15, a vent 22 is provided at the top of the Leimpufferkammer 13, in the illustrated embodiment, directly above the overflow 14th

Die Leimkammer 8 ist während des Betriebes ständig über ihre gesamte Höhe mit Leim gefüllt, sodass die sich an der offenen Seite der Leimkammer 8 vorbeibewegende Leimwalze 4 über eine Breite, die der Längsabmessung der Leimkammer 8 entspricht, mit einem Leimauftrag versehen wird. Die dem Anschluss 16 zugeführte Leimmenge ist beispielsweise geringfügig größer als die an die Leimwalze 4 abgegebene Leimmenge, sodass ein Teil des zugeführten Leimes über den Überlauf 14 und den Überlaufkanal 15 in die Leimwanne 21 zurückfließt und hierdurch sichergestellt, dass im Leimauftrag- und Verteilerelement 3 stets eine genügende Menge an Leim vorhanden ist.The glue chamber 8 is constantly filled with glue during operation over its entire height, so that the glue roller 4 moving past the open side of the glue chamber 8 is provided with a glue application over a width which corresponds to the longitudinal dimension of the glue chamber 8. The connection 16 supplied amount of glue, for example, is slightly larger than the amount of glue delivered to the glue roller 4, so that a portion of the supplied glue flows back into the glue trough 21 via the overflow 14 and the overflow channel 15 and thereby ensures that in the glue application and distribution element 3 always a sufficient amount of glue is present.

Durch das Volumen der. Leimkammer 8, insbesondere aber durch das Puffervolumen der Leimpufferkammer 13 ist trotz pulsierender Zuführung des Leimes am Anschluss 16 mittels der beispielsweise als Kolbenpumpe ausgebildeten Leimpumpe ein insbesondere auch von der Leistung und von Leistungsänderungen der Etikettiermaschine (etikettierte Behälter je Zeiteinheit) unabhängiger gleichmäßiger Leimauftrag auf der Leimwalze 4 gewährleistetet.By the volume of. Leimkammer 8, but in particular by the buffer volume of Leimpufferkammer 13 despite pulsating supply of the glue at the terminal 16 by means of, for example, designed as a piston pump Leimpumpe a particular of the performance and changes in performance of the labeling (labeled container per unit time) independent uniform glue on the glue roller 4 guaranteed.

Die Figuren 3 - 5 zeigen das Leimauftrag- und Verteilerelement 3 nochmals mehr im Detail. Wie aus diesen Figuren ersichtlich, ist das Gehäuse 3.1 von einem Block aus einem geeigneten Material, beispielsweise aus Metall gebildet, in welchen durch maschinelle Bearbeitung eine die Leimkammer 8 bildende Ausnehmung, die Öffnungen oder Bohrungen 12, der Leimkanal 11, die Leimpufferkammer 13, der Überlauf 14 und der Überlaufkanal 15 eingebracht sind. Die von einer Ausnehmung an der oberen Stirnseite des Blockes 23 gebildete Leimpufferkammer 13 ist durch einen Deckel 24 verschlossen, an welchem u.a. der Anschluss 16 und der Entlüftungskanal 22 vorgesehen sind. Der Überlauf 14 ist dabei eine seitliche Erweiterung der die Leimpufferkammer 13 bildenden Ausnehmung, in die (Erweiterung) der Überlaufkanal 15 mündet.The Figures 3 - 5 show the glue application and distribution element 3 again in more detail. As can be seen from these figures, the housing 3.1 is formed by a block of a suitable material, for example of metal, in which by machining a the glue chamber 8 forming recess, the openings or holes 12, the glue channel 11, the Lei buffer chamber 13, the Overflow 14 and the overflow channel 15 are introduced. The Leimpufferkammer 13 formed by a recess on the upper end face of the block 23 is covered by a lid 24 closed, on which, inter alia, the connection 16 and the venting channel 22 are provided. The overflow 14 is a lateral extension of the Leimpufferkammer 13 forming recess into the (extension) of the overflow channel 15 opens.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Leimauftragvorrichtungglue application
22
Etikettlabel
33
Leimauftrag- und VerteilerelementGlue application and distribution element
3.13.1
Gehäusecasing
44
Leimwalzeglue roller
55
EtikettentransportzylinderLabel transport cylinder
66
Heizvorrichtungheater
77
Anlageflächencontact surfaces
88th
LeimkammerLeimkammer
99
Boden der LeimkammerBottom of the glue chamber
1010
Umfangsfläche der LeimkammerPeripheral surface of the glue chamber
1111
Leimkanalglue channel
1212
Bohrungdrilling
1313
LeimpufferkammerLeimpufferkammer
1414
Überlaufoverflow
1515
ÜberlaufkanalOverflow channel
1616
Anschlussconnection
1717
Halterholder
1818
Druckfedercompression spring
1919
Abstreiferscraper
2020
Leimschaberglue scraper
2121
Leimwanneglue tank
2222
Entlüftungvent
2323
Gehäuseblockhousing block
2424
Deckelcover
AA
Drehrichtung der Leimwalze 4Direction of rotation of the glue roller 4

Claims (12)

  1. Glue application apparatus having at least one glue roll (4) which can be driven so as to rotate about its roll axis, and having at least one glue application and distribution element (3) with a glue dispenser connected to a line (16) for feeding the glue in order to produce an application of glue on a circular-cylindrical circumferential face of the glue roll (4), which circumferential face surrounds the roll axis concentrically and is moved past the glue dispenser, and having a glue buffer chamber (13) connected to the glue dispenser on the glue roll (4) for accommodating a buffer volume of glue, and wherein there is formed between the line (16) for feeding the glue and the glue delivery point (8) an overflow (14) for conveying away into an overflow channel (15), preferably into an overflow (15) leading to the glue reservoir (21) that supplies the gluing apparatus, an excess quantity of glue not applied to the glue roll (4).
  2. Gluing apparatus according to claim 1, characterised in that the glue dispenser is formed by a glue chamber (8) which the glue application and distribution element (3) comprises in the region of a bearing face (7) that bears against the circumferential face of the glue roll (4), and which is closed on its side facing towards the glue roll (4) by the circumferential face of the glue roll (4).
  3. Gluing apparatus according to any one of claims 1 or 2, characterised in that a ventilation opening or a ventilation channel (22) is provided on the glue buffer chamber (13) and/or on the overflow (14).
  4. Gluing apparatus according to any one of the preceding claims, characterised in that the glue buffer chamber (13) is provided in the connection between the line (16) for feeding the glue and the glue dispenser (6) on the glue roll (4).
  5. Gluing apparatus according to any one of the preceding claims, characterised in that the overflow (14) is formed on the buffer chamber (13).
  6. Gluing apparatus according to any one of the preceding claims, characterised in that the glue buffer chamber (13) is formed by a recess in a housing (3.1) or in a block (23) forming this housing, and in that the overflow (14) is formed by a widening of the recess which forms the glue buffer chamber (13), at the upper edge region of this recess.
  7. Gluing apparatus according to any one of the preceding claims, characterised in that the line (16) for feeding the glue opens into the glue buffer chamber (13), preferably at the top of this chamber.
  8. Gluing apparatus according to any one of the preceding claims, characterised in that the glue chamber (8) is configured as an elongate chamber and is oriented with its longitudinal dimension parallel or approximately parallel to the roll axis of the glue roll (4).
  9. Gluing apparatus according to any one of the preceding claims, characterised by a glue channel (11) which connects the glue chamber (8) to the glue buffer chamber (13).
  10. Gluing apparatus according to claim 9, characterised in that the glue channel (11) opens into the bottom of the glue buffer chamber (13).
  11. Gluing apparatus according to any one of the preceding claims, characterised in that the glue chamber (8) is connected to the glue channel (11) via a plurality of openings or bores (12).
  12. Gluing apparatus according to any one of the preceding claims, characterised by a heating means (6) in the glue application and distribution element (3).
EP07723682A 2006-04-11 2007-03-28 Gluing apparatus Active EP2007634B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07723682T PL2007634T3 (en) 2006-04-11 2007-03-28 Gluing apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006017365A DE102006017365A1 (en) 2006-04-11 2006-04-11 gluing
PCT/EP2007/002736 WO2007118582A1 (en) 2006-04-11 2007-03-28 Gluing apparatus

Publications (2)

Publication Number Publication Date
EP2007634A1 EP2007634A1 (en) 2008-12-31
EP2007634B1 true EP2007634B1 (en) 2012-06-06

Family

ID=38294129

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07723682A Active EP2007634B1 (en) 2006-04-11 2007-03-28 Gluing apparatus

Country Status (10)

Country Link
US (1) US8028496B2 (en)
EP (1) EP2007634B1 (en)
JP (1) JP5143123B2 (en)
CN (1) CN101466603B (en)
BR (1) BRPI0709488A2 (en)
DE (1) DE102006017365A1 (en)
MX (1) MX2008013066A (en)
PL (1) PL2007634T3 (en)
RU (1) RU2400411C2 (en)
WO (1) WO2007118582A1 (en)

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Also Published As

Publication number Publication date
PL2007634T3 (en) 2012-11-30
RU2008144393A (en) 2010-05-20
US20090095372A1 (en) 2009-04-16
JP2009533209A (en) 2009-09-17
CN101466603A (en) 2009-06-24
EP2007634A1 (en) 2008-12-31
WO2007118582A1 (en) 2007-10-25
CN101466603B (en) 2011-03-09
BRPI0709488A2 (en) 2011-07-19
US8028496B2 (en) 2011-10-04
DE102006017365A1 (en) 2007-10-18
RU2400411C2 (en) 2010-09-27
MX2008013066A (en) 2008-10-27
JP5143123B2 (en) 2013-02-13

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