EP2632605B1 - Apparatus for applying a fluid to a web - Google Patents

Apparatus for applying a fluid to a web Download PDF

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Publication number
EP2632605B1
EP2632605B1 EP11764571.3A EP11764571A EP2632605B1 EP 2632605 B1 EP2632605 B1 EP 2632605B1 EP 11764571 A EP11764571 A EP 11764571A EP 2632605 B1 EP2632605 B1 EP 2632605B1
Authority
EP
European Patent Office
Prior art keywords
pressure
chamber
roller
engraving
circumference
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
EP11764571.3A
Other languages
German (de)
French (fr)
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EP2632605A1 (en
Inventor
Ralph Pagendarm
Peter Rose
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Olbrich GmbH
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Olbrich GmbH
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Publication date
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Priority to PL11764571T priority Critical patent/PL2632605T3/en
Publication of EP2632605A1 publication Critical patent/EP2632605A1/en
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Publication of EP2632605B1 publication Critical patent/EP2632605B1/en
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Classifications

    • 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
    • B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
    • B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
    • B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
    • B05C1/0813—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line characterised by means for supplying liquid or other fluent material to the roller
    • 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
    • B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
    • B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
    • B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
    • 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
    • B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
    • B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
    • B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
    • B05C1/0817—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line characterised by means for removing partially liquid or other fluent material from the roller, e.g. scrapers
    • 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
    • B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
    • B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
    • B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
    • B05C1/12—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being fed round the roller
    • 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
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/02—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
    • B05C11/04—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface with blades
    • B05C11/041—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface with blades characterised by means for positioning, loading, or deforming the blades
    • 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
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/02—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
    • B05C11/04—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface with blades
    • B05C11/048—Scrapers, i.e. metering blades having their edge oriented in the upstream direction in order to provide a reverse angle of attack
    • 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
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B3/04—Methods of, or means for, filling the material into the containers or receptacles
    • 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
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/02—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
    • B05C11/04—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface with blades
    • B05C11/041—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface with blades characterised by means for positioning, loading, or deforming the blades
    • B05C11/042—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface with blades characterised by means for positioning, loading, or deforming the blades allowing local positioning, loading or deforming along the blades
    • 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
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/02—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
    • B05C11/04—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface with blades
    • B05C11/044—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface with blades characterised by means for holding the blades
    • 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
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/02—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
    • B05C11/04—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface with blades
    • B05C11/045—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface with blades characterised by the blades themselves

Definitions

  • the invention relates to a device according to the preamble of patent claim 1.
  • the document DE 299 17 981 U1 describes a pressure chamber doctor blade with a chamber which is divided by a displacement body in a pressure chamber and a drainage chamber.
  • the rear, ie downstream mounted doctor blade is pressed by a pressure body sealingly against the lateral surface of the roller to 'avoid media leakage even at high roller peripheral speeds.
  • the object of the invention is to further develop the known device to the effect that it is simpler and thus less expensive to produce.
  • FIG. 1 shows a cross section through a gravure roll 11, which are provided at its periphery with engraving grooves 12 and which rotates in operation in the direction of the arrows in a clockwise direction.
  • a web 4 to be coated passes, on the underside of which the engraving grooves 12 transmit a flowable medium 5, which is fed by means of an applicator head 10.
  • the application head 10 is arranged in the illustrated embodiment under the gravure roll 11 and thus against the web 4. It extends in the manner of a beam parallel to a generatrix of the gravure roll 11 over its entire length in order to provide all engraving grooves 12 with the flowable medium 5 with which the web 4 is to be coated.
  • the application head 10 has a bar-shaped main body 25, on the left side of a collecting tray 27 is mounted for flowable medium 5, which will be discussed in more detail later.
  • the underside of the applicator head 10 has an inlet 14 for a chamber 13 on the left-hand side in the direction of rotation, while an outlet 15 for flowable medium 5 flowing through the chamber 13 is provided on the right-hand side of the applicator head 10 in the direction of rotation.
  • a compressed air line 21 extends into the applicator head 10 upwards in the direction of the gravure roller 11 and ends in a balloon 22, over which a displaceable pressure piece 23 is seated.
  • the pressure piece 23 in turn acts on a compressible Anpress emotions 24.
  • the Pressing body 24 is made of an elastic material, which is compressed by inflating the balloon 22 in a defined manner, which in the FIGS. 2a to 2c is shown.
  • a compressed air line 21 with balloon 22 and eich other construction for acting on the pressure piece 23 can be selected, for example, a punch rod with stamp head or similar.
  • a first or front squeegee 16 which is held by a mounted in the chamber 13 front squeegee holder 17.
  • front squeegee 16 contacts the chamber 13 and closes it at the front in a defined manner.
  • the rear of the chamber 13 is closed by a second or rear squeegee 18, which is also held by a rear squeegee holder 19.
  • the contact pressure of the rear squeegee 18 to the gravure roll 11 is formed by a rigid support 28 on the applicator head 10 connected to the rear squeegee holder 19 which is adjustable in height, as the drawing illustrates.
  • a window 20 which is removably disposed on the right side of the applicator head 10 in order to observe the free flow of emerging from the chamber 13 flowable medium 5, which could no longer be absorbed by the engraving grooves 12.
  • inlets 14 may be provided to achieve a uniform pressure distribution, while the outlet 15 extends an outlet.
  • FIGS. 2a to 2c illustrate the essence of the invention, namely the easy adjustability of the pressure in the single chamber 13 and thus the air bubbles free filling of the engraving grooves 12 with the provided for coating flowable medium fifth
  • the pressing body 24 is compressed by the pressure piece 23, then it presses the front squeegee 16 more strongly against the gravure roll 11 and out of the linear contact A of FIG. 2a becomes a surface contact according to FIG. 2b , where the dashed lines B indicate the width of the surface contact zone.
  • the pressure in the chamber 13 must be increased from p o to p 1 .

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Coating Apparatus (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Description

Die Erfindung betrifft eine Vorrichtung gemäß Oberbegriff des Patentanspruchs 1.The invention relates to a device according to the preamble of patent claim 1.

Aus der EP 1 117 488 B i ist eine derartige Vorrichtung bekannt, die im Auftragskopf allerdings zwei Kammern aufweist, die mit unterschiedlichen Drücken beaufschlagt werden können. In einer Vorkammer herrscht der Druck po, während in der Hauptkammer ein Druck p1 einstellbar ist, und zwar dadurch, dass zwischen Vorkammer und Hauptkammer ein Dichtelement liegt, welches die beiden Kammern trennt. Nach außen ist jede Kammer durch eine Rakel abgedichtet, die gegen eine zugehörige Gravurwalze drückt. Außerdem sind sowohl die Hauptkammer, als auch die Vorkammer mit einem Einlass für das auf eine Bahn aufzutragende fließfähige Medium versehen.From the EP 1 117 488 B Such a device is known, which, however, has two chambers in the application head which can be subjected to different pressures. In an antechamber, the pressure prevails, while in the main chamber, a pressure p1 is adjustable, namely by the fact that between the antechamber and the main chamber is a sealing element which separates the two chambers. Outwardly each chamber is sealed by a squeegee which presses against an associated gravure roll. In addition, both the main chamber and the pre-chamber are provided with an inlet for the flowable medium to be applied to a web.

Das Dokument DE 299 17 981 U1 beschreibt eine Druckkammerrakel mit einer Kammer, die durch einen Verdrängungskörper in einen Druckraum und einen Ablaufraum unterteilt ist. Die hintere, d.h. stromabwärts angebrachte Rakel wird durch einen Andruckkörper dichtend an die Mantelfläche der Walze angedrückt, um' einen Medienaustritt auch bei hohen Walzenumfangsgeschwindigkeiten zu vermeiden.The document DE 299 17 981 U1 describes a pressure chamber doctor blade with a chamber which is divided by a displacement body in a pressure chamber and a drainage chamber. The rear, ie downstream mounted doctor blade is pressed by a pressure body sealingly against the lateral surface of the roller to 'avoid media leakage even at high roller peripheral speeds.

Die Dokumente US 5,768,993 , US 2002/0023587 A1 und DE 10 2006 017 365 A1 zeigen Auftragsvorrichtungen mit einem Auftragskopf der zwei Rakel umfasst, die mit ihrer Rakelkante an die Auftragswalze angestellt sind und die Walzenoberfläche linienförmig berühren. Diese Rakel dienen jedoch nicht zur Abdichtung der Kammer des Auftragskopfs.The documents US 5,768,993 . US 2002/0023587 A1 and DE 10 2006 017 365 A1 show applicators with an applicator head of the two doctor blade, which are employed with their doctor blade edge to the applicator roll and the roller surface line contact. However, these squeegees are not used to seal the chamber of the gun.

Aufgabe der Erfindung ist es, die bekannte Vorrichtung dahingehend weiter zu entwickeln, dass sie einfacher und damit kostengünstiger herstellbar ist. The object of the invention is to further develop the known device to the effect that it is simpler and thus less expensive to produce.

Zur Lösung dieser Aufgabe dient die Vorrichtung mit den Merkmalen des Patentanspruchs 1.To solve this problem, the device with the features of claim 1.

Vorteilhafte Ausgestaltungen der Erfindung sind Gegenstand der Unteransprüche.Advantageous embodiments of the invention are the subject of the dependent claims.

Die Erfindung wird nun anhand von Zeichnungen näher erläutert. Darin zeigen

Fig. 1
eine schematische Darstellung der erfindungsgemäßen Vorrichtung
Fig. 2a bis 2c
verschieden Anpressgrade eines in der Vorrichtung nach Fig. 1 verwendeten Druckstücks.
The invention will now be explained in more detail with reference to drawings. Show in it
Fig. 1
a schematic representation of the device according to the invention
Fig. 2a to 2c
different Anpressgrade one in the device according to Fig. 1 used pressure piece.

In den Figuren sind gleiche Teile durchwegs mit gleichen Bezugszeichen versehen.In the figures, the same parts are consistently provided with the same reference numerals.

Figur 1 zeigt einen Querschnitt durch eine Gravurwalze 11, die an ihrem Umfang mit Gravurrillen 12 versehen sind und die sich im Betrieb in Richtung der Pfeile im Uhrzeigersinn dreht. Über die Gravurwalze 11 läuft eine zu beschichtende Bahn 4, auf deren Unterseite die Gravurrillen 12 ein fließfähiges Medium 5 übertragen, das mit Hilfe eines Auftragskopfs 10 zugeführt wird. FIG. 1 shows a cross section through a gravure roll 11, which are provided at its periphery with engraving grooves 12 and which rotates in operation in the direction of the arrows in a clockwise direction. Via the gravure roll 11, a web 4 to be coated passes, on the underside of which the engraving grooves 12 transmit a flowable medium 5, which is fed by means of an applicator head 10.

Der Auftragskopf 10 ist in der dargestellten Ausführungsform unter der Gravurwalze 11 und damit gegenüber der Bahn 4 angeordnet. Er erstreckt sich in der Art eines Balkens parallel zu einer Erzeugenden der Gravurwalze 11 über deren gesamte Länge, um alle Gravurrillen 12 mit dem fließfähigen Medium 5 zu versehen, mit dem die Bahn 4 beschichtet werden soll.The application head 10 is arranged in the illustrated embodiment under the gravure roll 11 and thus against the web 4. It extends in the manner of a beam parallel to a generatrix of the gravure roll 11 over its entire length in order to provide all engraving grooves 12 with the flowable medium 5 with which the web 4 is to be coated.

Der Auftragskopf 10 besitzt einen balkenförmigen Grundkörper 25, an dessen linker Seite eine Auffangwanne 27 für fließfähiges Medium 5 angebracht ist, auf die später noch näher eingegangen wird. Die Unterseite des Auftragskopfs 10 weist an der in Drehrichtung linken Seite einen Einlass 14 für eine Kammer 13 auf, während an der in Drehrichtung rechten Seite des Auftragskopfs 10 in dessen Unterseite ein Auslass 15 für durch die Kammer 13 strömendes fließfähiges Medium 5 vorgesehen ist. Zwischen dem Einlass 14 und dem Auslass 15 erstreckt sich eine Druckluftleitung 21 in den Auftragskopf 10 nach oben in Richtung Gravurwalze 11 und endet in einem Ballon 22, über dem ein verschiebbares Druckstück 23 sitzt. Das Druckstück 23 wirkt seinerseits auf einen zusammendrückbaren Anpresskörper 24. Der Anpresskörper 24 besteht aus einem elastischen Material, das durch Aufblasen des Ballons 22 auf definierte Weise zusammengedrückt wird, was in den Figuren 2a bis 2c dargestellt ist.The application head 10 has a bar-shaped main body 25, on the left side of a collecting tray 27 is mounted for flowable medium 5, which will be discussed in more detail later. The underside of the applicator head 10 has an inlet 14 for a chamber 13 on the left-hand side in the direction of rotation, while an outlet 15 for flowable medium 5 flowing through the chamber 13 is provided on the right-hand side of the applicator head 10 in the direction of rotation. Between the inlet 14 and the outlet 15, a compressed air line 21 extends into the applicator head 10 upwards in the direction of the gravure roller 11 and ends in a balloon 22, over which a displaceable pressure piece 23 is seated. The pressure piece 23 in turn acts on a compressible Anpresskörper 24. The Pressing body 24 is made of an elastic material, which is compressed by inflating the balloon 22 in a defined manner, which in the FIGS. 2a to 2c is shown.

Es wird darauf hingewiesen, dass anstelle einer Druckluftleitung 21 mit Ballon 22 auch eich andere Konstruktion zum Einwirken auf das Druckstück 23 gewählt werden kann, zum Beispiel eine Stempelstange mit Stempelkopf oder ähnlich.It should be noted that instead of a compressed air line 21 with balloon 22 and eich other construction for acting on the pressure piece 23 can be selected, for example, a punch rod with stamp head or similar.

Über dem Anpresskörper 24 liegt eine erste oder vordere Rakel 16, die von einem in der Kammer 13 montierten vorderen Rakelhalter 17 gehalten wird. Derartige Konstruktionen sind dem Fachmann allgemein bekannt, so dass darauf hier nicht näher eingegangen werden muss. Im Betrieb berührt die vordere Rakel 16 die Kammer 13 und verschließt diese an der Vorderseite in definierter Weise.Above the pressing body 24 is a first or front squeegee 16, which is held by a mounted in the chamber 13 front squeegee holder 17. Such constructions are generally known to the person skilled in the art, so that they need not be discussed in detail here. In operation, the front squeegee 16 contacts the chamber 13 and closes it at the front in a defined manner.

Auf ähnliche Weise wird die Hinterseite der Kammer 13 durch eine zweite oder hintere Rakel 18 verschlossen, die ebenfalls von einem hinteren Rakelhalter 19 gehalten wird. Die Anpresskraft der hinteren Rakel 18 an die Gravurwalze 11 wird durch ein starres Auflager 28 am Auftragskopf 10 verbunden mit der hinteren Rakelhalterung 19 gebildet, die in der Höhe verstellbar ist, wie die die Zeichnung verdeutlicht.Similarly, the rear of the chamber 13 is closed by a second or rear squeegee 18, which is also held by a rear squeegee holder 19. The contact pressure of the rear squeegee 18 to the gravure roll 11 is formed by a rigid support 28 on the applicator head 10 connected to the rear squeegee holder 19 which is adjustable in height, as the drawing illustrates.

Bisher nicht erwähnt ist ein Fenster 20, das an der rechten Seite des Auftragskopfs 10 abnehmbar angeordnet ist, um das freie Abströmen des aus der Kammer 13 austretenden fließfähigen Mediums 5 beobachten zu können, das nicht mehr von den Gravurrillen 12 aufgenommen werden konnte.Not mentioned so far is a window 20 which is removably disposed on the right side of the applicator head 10 in order to observe the free flow of emerging from the chamber 13 flowable medium 5, which could no longer be absorbed by the engraving grooves 12.

Schließlich wird darauf hingewiesen, dass je nach Breite des Auftragskopfs 10 1 - 5 Einlässe 14 vorgesehen sein können, um eine gleichmäßige Druckverteilung zu erreichen, während als Auslass 15 ein Auslass reicht.Finally, it should be noted that, depending on the width of the applicator head 10 1 - 5 inlets 14 may be provided to achieve a uniform pressure distribution, while the outlet 15 extends an outlet.

Die Figuren 2a bis 2c verdeutlichen nun das Wesen der Erfindung, nämlich die einfache Einstellbarkeit des Drucks in der einzigen Kammer 13 und damit das luftbläschenfreie Befüllen der Gravurrillen 12 mit dem zur Beschichtung vorgesehenen fließfähigen Medium 5.The FIGS. 2a to 2c illustrate the essence of the invention, namely the easy adjustability of the pressure in the single chamber 13 and thus the air bubbles free filling of the engraving grooves 12 with the provided for coating flowable medium fifth

In Figur 2a wird der Anpresskörper 24 vom Druckstück 23 nicht zusammengedrückt, so dass die vordere Rakel 16 lediglich auf dem Anpresskörper 24 liegt und die Gravurwalze 11 nur linienförmig berührt, was durch die gestrichelte Linie A angedeutet ist. Dies ist sozusagen die Null oder Ausgangsstellung, die einem Druck po in der Kammer 13 entspricht.In FIG. 2a the pressing member 24 is not compressed by the pressure piece 23, so that the front doctor blade 16 is only on the pressure body 24 and the gravure roller 11 only touched linearly, which is indicated by the dashed line A. This is, so to speak, the zero or initial position, which corresponds to a pressure p o in the chamber 13.

Wird der Anpresskörper 24 aber von dem Druckstück 23 zusammengedrückt, dann presst er die vordere Rakel 16 stärker gegen die Gravurwalze 11 und aus der linienförmigen Berührung A von Figur 2a wird ein flächiger Kontakt gemäß Figur 2b, wobei die gestrichelten Linien B die Breite der Flächenkontaktzone angeben. Um das fließfähige Medium 5 unter diesen Bedingungen aus der Kammer 13 austreten zu lassen, muss der Druck in der Kammer 13 von po auf p1 erhöht werden.However, if the pressing body 24 is compressed by the pressure piece 23, then it presses the front squeegee 16 more strongly against the gravure roll 11 and out of the linear contact A of FIG FIG. 2a becomes a surface contact according to FIG. 2b , where the dashed lines B indicate the width of the surface contact zone. In order to allow the flowable medium 5 to escape from the chamber 13 under these conditions, the pressure in the chamber 13 must be increased from p o to p 1 .

Bei noch stärkerem Andrücken des Druckstücks 23 wird der Anpresskörper 24 noch stärker zusammengedrückt und die Breite der Flächenkontaktzone vergrößert sich weiter von B in Figur 2b auf C in Figur 2c, was bedeutet, dass der Druck in Kammer 13 auf p2 erhöht werden muss, ehe ein Ausströmen aus dem Auslass 15 erfolgen kann.With even stronger pressing of the pressure piece 23 of the pressing body 24 is compressed even more and the width of the surface contact zone increases further from B in FIG. 2b on C in Figure 2c , which means that the pressure in chamber 13 must be increased to p 2 before it can flow out of the outlet 15.

Durch den Druck in der Kammer 13 wird erreicht, dass je nach Breite der Flächenkontaktzone B oder C mehr oder weniger Masse des fließfähigen Mediums 5 an der hinteren Rakel 18 aus der Kammer 13 abströmen muss, da die hintere Rakel 18 mit der Gravurwalze 11 nur Linienberührung hat. Diese aus der Kammer 13 in Drehrichtung hinten austretende Masse verteilt sich auf die Gravurrillen 12 und der Rest fließt in die Auffangwanne 27.Due to the pressure in the chamber 13 it is achieved that, depending on the width of the surface contact zone B or C, more or less mass of the flowable medium 5 must flow out of the chamber 13 at the rear squeegee 18, since the rear squeegee 18 with the gravure roller 11 only makes line contact Has. This emerging from the chamber 13 in the direction of rotation rear mass is distributed to the engraving grooves 12 and the rest flows into the drip pan 27th

Bezugszeichenliste:LIST OF REFERENCE NUMBERS

44
Bahntrain
55
fließfähiges Mediumflowable medium
1010
Auftragskopfgun
1111
Gravurwalzeengraved roll
1212
Gravurrillenengraved grooves
1313
Kammerchamber
1414
Einlassinlet
1515
Auslassoutlet
1616
vordere Rakelfront squeegee
1717
vorderer Rakelhalterfront squeegee holder
1818
hintere Rakelrear squeegee
1919
hinterer Rakelhalterrear squeegee holder
2020
Fensterwindow
2121
DruckluftleitungCompressed air line
2222
Ballonballoon
2323
DruckstückPressure piece
2424
Anpresskörperpressure body
2525
Grundkörperbody
2727
Auffangwannedrip tray
2828
AuflagerIn stock

Claims (4)

  1. Apparatus for applying a fluid (5) to a continuously transported web (4),
    whereby, the fluid (5) is transferred to the web (4) by a continuously rotating transfer roller, for example, by an engraved roller (11) with engraving flutes (12) on the circumference, whereby, an application head (10) is provided, in order to transfer the fluid (5) to the circumference of the engraving roller (11); whereby, the transfer head (10) features a chamber (13) which is open towards the circumference of the engraving roller (11) with an inlet (14) and an outlet (15) for the fluid (5) to be applied, and, whereby, this single chamber (13) is confined in its direction of rotation at the forward outer surface by a front scraper (16) and in its direction of rotation at the rear outer surface by a rear scraper (18), both of which abut the circumference of the engraving roller (11) forming a seal,
    whereby, the contact pressure of the rear scraper (18) on the engraving roller (11) is formed by a rigid support (28) characterized in that,
    both scrapers (16, 18) are arranged negative to the direction of rotation of the transfer roller,
    in order to set the pressure in the chamber (13) the front scraper (16) is pressed onto the circumference of the engraving roller (11) by a pressure body (24) with adjustable contact pressure,
    the pressure body (24) determines the width of a surface contact zone of the front scraper (16) on the engraving roller (11).
  2. Apparatus in accordance with Claim 1, characterized in that, the front scraper (16) only touches the engraving roller (11) in a linear manner when the pressure body (24) is in its initial position, which equates to a pressure (po) in the chamber (13) and, with the aid of the pressure body (24) can increase the pressure (p1, p2) in the chamber (13), by the front scraper (16) extensively touching the engraving roller (11) in the surface contact zone.
  3. Apparatus in accordance with Claim 1, characterized in that, the pressure body (24) can be compressed by a balloon (22) via a pressure piece (23).
  4. Apparatus in accordance with Claim 3, characterized in that, the balloon (22) can be blown up via a pressure airline (21) and, thus, can be moved against the pressure piece (23).
EP11764571.3A 2010-10-26 2011-10-06 Apparatus for applying a fluid to a web Active EP2632605B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL11764571T PL2632605T3 (en) 2010-10-26 2011-10-06 Apparatus for applying a fluid to a web

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010049387A DE102010049387A1 (en) 2010-10-26 2010-10-26 Device for applying a flowable medium to a web
PCT/EP2011/067430 WO2012055686A1 (en) 2010-10-26 2011-10-06 Device for applying a free-flowing medium to a web

Publications (2)

Publication Number Publication Date
EP2632605A1 EP2632605A1 (en) 2013-09-04
EP2632605B1 true EP2632605B1 (en) 2019-05-15

Family

ID=44741338

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EP11764571.3A Active EP2632605B1 (en) 2010-10-26 2011-10-06 Apparatus for applying a fluid to a web

Country Status (9)

Country Link
US (1) US9808823B2 (en)
EP (1) EP2632605B1 (en)
JP (1) JP5763777B2 (en)
KR (1) KR101537538B1 (en)
CN (1) CN103328114B (en)
BR (1) BR112013010184B1 (en)
DE (1) DE102010049387A1 (en)
PL (1) PL2632605T3 (en)
WO (1) WO2012055686A1 (en)

Cited By (6)

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Publication number Priority date Publication date Assignee Title
US11241708B2 (en) 2019-04-12 2022-02-08 Airbus Operations Gmbh Device for lacquer transfer
US11267014B2 (en) 2019-03-29 2022-03-08 Airbus Operations Gmbh Device for lacquer transfer
US11331688B2 (en) 2019-03-29 2022-05-17 Airbus Operations Gmbh Device for lacquer transfer
US11369987B2 (en) 2019-03-29 2022-06-28 Airbus Operations Gmbh Device and system
US11413650B2 (en) 2019-04-11 2022-08-16 Airbus Operations Gmbh Lacquer transfer device
US11504739B2 (en) 2019-03-29 2022-11-22 Airbus Operations Gmbh Device for lacquer transfer

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CN103861769B (en) * 2014-03-07 2016-05-11 中国科学院宁波材料技术与工程研究所 A kind of nick apparatus for coating
CN106423710B (en) * 2016-07-28 2022-08-05 李荣根 Coating device, automatic coating equipment and method thereof
DE102019111982A1 (en) * 2019-05-08 2020-11-12 Airbus Operations Gmbh contraption
CN112295852B (en) * 2019-07-31 2022-07-01 聚合兴企业有限公司 High-speed high-precision single-bundle fiber soaking machine
CN112108315A (en) * 2020-09-25 2020-12-22 孙刚 Sealed good house timber of sound insulation function
CN115283185A (en) * 2022-07-01 2022-11-04 汕头众联机械科技有限公司 Bidirectional closed type double-cavity pressure feeding and coating mechanism

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Cited By (6)

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Publication number Priority date Publication date Assignee Title
US11267014B2 (en) 2019-03-29 2022-03-08 Airbus Operations Gmbh Device for lacquer transfer
US11331688B2 (en) 2019-03-29 2022-05-17 Airbus Operations Gmbh Device for lacquer transfer
US11369987B2 (en) 2019-03-29 2022-06-28 Airbus Operations Gmbh Device and system
US11504739B2 (en) 2019-03-29 2022-11-22 Airbus Operations Gmbh Device for lacquer transfer
US11413650B2 (en) 2019-04-11 2022-08-16 Airbus Operations Gmbh Lacquer transfer device
US11241708B2 (en) 2019-04-12 2022-02-08 Airbus Operations Gmbh Device for lacquer transfer

Also Published As

Publication number Publication date
KR20130114167A (en) 2013-10-16
DE102010049387A1 (en) 2012-04-26
BR112013010184A2 (en) 2016-09-13
WO2012055686A1 (en) 2012-05-03
PL2632605T3 (en) 2019-10-31
EP2632605A1 (en) 2013-09-04
US20130233243A1 (en) 2013-09-12
BR112013010184B1 (en) 2020-12-15
JP2013545603A (en) 2013-12-26
CN103328114B (en) 2016-12-21
US9808823B2 (en) 2017-11-07
KR101537538B1 (en) 2015-07-17
JP5763777B2 (en) 2015-08-12
CN103328114A (en) 2013-09-25

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