EP2632605A1 - VORRICHTUNG ZUM AUFBRINGEN EINES FLIEßFÄHIGEN MEDIUMS AUF EINE BAHN - Google Patents

VORRICHTUNG ZUM AUFBRINGEN EINES FLIEßFÄHIGEN MEDIUMS AUF EINE BAHN

Info

Publication number
EP2632605A1
EP2632605A1 EP11764571.3A EP11764571A EP2632605A1 EP 2632605 A1 EP2632605 A1 EP 2632605A1 EP 11764571 A EP11764571 A EP 11764571A EP 2632605 A1 EP2632605 A1 EP 2632605A1
Authority
EP
European Patent Office
Prior art keywords
circumference
chamber
medium
gravure roll
web
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP11764571.3A
Other languages
English (en)
French (fr)
Other versions
EP2632605B1 (de
Inventor
Ralph Pagendarm
Peter Rose
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.)
Olbrich GmbH
Original Assignee
Olbrich GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Olbrich GmbH filed Critical Olbrich GmbH
Priority to PL11764571T priority Critical patent/PL2632605T3/pl
Publication of EP2632605A1 publication Critical patent/EP2632605A1/de
Application granted granted Critical
Publication of EP2632605B1 publication Critical patent/EP2632605B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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 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 is a schematic representation of the device according to the invention
  • Fig. 2a to 2c different Anpressgrade one used in the apparatus of FIG. 1 pressure piece.
  • Figure 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 underneath the gravure roll 11 and thus opposite 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 in the direction of rotation, while an outlet 15 for flowing through the chamber 13 flowable medium 5 is provided on the right in the direction of rotation of the order head 10 in its underside.
  • 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 consists of an elastic material, which is compressed by inflating the balloon 22 in a defined manner, which is shown in Figures 2a to 2c.
  • 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 stamping 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 application head 10 in order to observe the free flow of emerging from the chamber 13 flowable medium 5, which could not be absorbed by the engraving grooves 12.
  • FIGS. 2a to 2c now illustrate the essence of the invention, namely the simple adjustability of the pressure in the single chamber 13 and thus the air bubble-free filling of the engraving grooves 12 with the flowable medium 5 intended for coating.

Landscapes

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

Abstract

Die Erfindung betrifft eine Vorrichtung zum Aufbringen eines fließfähigen Mediums (5) auf eine kontinuierlich transportierte Bahn (4), wobei das Medium (5) durch eine kontinuierlich drehende Übertragungswalze, beispielsweise durch eine am Umfang mit Gravurrillen (12) versehene Gravurwalze (11), auf die Bahn (4) übertragbar ist; wobei ein Auftragskopf (10) vorgesehen ist, um das fließfähige Medium (5) auf den Umfang der Gravurwalze (11) zu übertragen; wobei der Auftragskopf (10) eine zum Umfang der Gravurwalze (11) hin offene Kammer (13) mit einem Einlass (14) und einem Auslass (15) für das aufzutragende Medium (5) aufweist; und wobei die Kammer (13) an ihrer in Drehrichtung vorderen Außenseite durch eine vordere Rakel (16) und an ihrer in Drehrichtung hinteren Außenseite durch eine hintere Rakel (18) begrenzt ist, die beide dichtend am Umfang der Gravurwalze (11) anliegen. Sie zeichnet sich dadurch aus, dass die vordere Rakel (16) durch einen Anpresskörper (24) mit einstellbarer Anpresskraft an den Umfang der Gravurwalze (11) andrückbar ist.

Description

Vorrichtung zum Aufbringen eines fließfähigen Mediums auf eine
Bahn
Beschreibung
Die Erfindung betrifft eine Vorrichtung gemäß Oberbegriff des Patentanspruchs 1.
Aus der EP 1 117 488 Bl 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 p0, während in der Hauptkammer ein Druck pi 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.
Aufgabe der Erfindung ist es, die bekannte Vorrichtung dahingehend weiter zu entwickeln, dass sie einfacher und damit kostengünstiger herstellbar ist.
Zur Lösung dieser Aufgabe dient die Vorrichtung mit den Merkmalen des Patentanspruchs 1.
Vorteilhafte Ausgestaltungen der Erfindung sind Gegenstand der Unteransprüche .
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.
In den Figuren sind gleiche Teile durchwegs mit gleichen Bezugszeichen versehen.
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.
Der Auftragskopf 10 ist in der dargestellten Aus führungs form 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.
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 Auftrags köpfs 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 .
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 Stempel stange mit Stempelkopf oder ähnlich.
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.
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.
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.
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. 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.
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 p0 in der Kammer 13 entspricht.
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 p0 auf pi erhöht werden.
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.
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. Bezugszeichenliste :
4 Bahn
5 fließfähiges Medium
10 Auftragskopf
11 Gravurwalze
12 Gravurrillen
13 Kammer
14 Einlass
15 Auslass
16 vordere Rakel
17 vorderer Rakelhalter
18 hintere Rakel
19 hinterer Rakelhalter
20 Fenster
21 Druckluftleitung
22 Ballon
23 Druckstück
24 Anpresskörper
25 Grundkörper
27 Auffangwanne
28 Auflager

Claims

Patentansprüche
1. Vorrichtung zum Aufbringen eines fließfähigen Mediums (5) auf eine kontinuierlich transportierte Bahn (4),
wobei das Medium (5) durch eine kontinuierlich drehende Übertragungswalze, beispielsweise durch eine am Umfang mit Gravurrillen (12) versehene Gravurwalze (11), auf die Bahn (4) übertragbar ist;
wobei ein Auftragskopf (10) vorgesehen ist, um das fließfähige Medium (5) auf den Umfang der Gravurwalze (11) zu übertragen;
wobei der Auftragskopf (10) eine zum Umfang der Gravurwalze (11) hin offene Kammer (13) mit einem Einlass (14) und einem Auslass (15) für das aufzutragende Medium (5) aufweist;
und wobei die Kammer (13) an ihrer in Drehrichtung vorderen Außenseite durch eine vordere Rakel (16) und an ihrer in Drehrichtung hinteren Außenseite durch eine hintere Rakel (18) begrenzt ist, die beide dichtend am Umfang der Gravurwalze (11) anliegen;
dadurch gekennzeichnet,
dass die vordere Rakel (16) durch einen Anpresskörper (24) mit einstellbarer Anpresskraft an den Umfang der Gravurwalze (11) andrückbar ist.
2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der Anpresskörper (24) von einem Ballon (22) über ein Druckstück (23) andrückbar ist.
3. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass der Ballon (22) durch eine Druckluftleitung (21) aufblasbar und damit gegen das Druckstück (23) bewegbar ist.
EP11764571.3A 2010-10-26 2011-10-06 VORRICHTUNG ZUM AUFBRINGEN EINES FLIEßFÄHIGEN MEDIUMS AUF EINE BAHN Active EP2632605B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL11764571T PL2632605T3 (pl) 2010-10-26 2011-10-06 Urządzenie do nanoszenia płynnego medium na wstęgę

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DE102010049387A DE102010049387A1 (de) 2010-10-26 2010-10-26 Vorrichtung zum Aufbringen eines fließfähigen Mediums auf eine Bahn
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CN106423710B (zh) * 2016-07-28 2022-08-05 李荣根 一种涂布装置和自动涂布设备及其方法
EP3750637A1 (de) 2019-03-29 2020-12-16 Airbus Operations GmbH Lackiervorrichtung
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EP3722007A1 (de) 2019-03-29 2020-10-14 Airbus Operations GmbH Vorrichtung zur lackübertragung
EP3722009A1 (de) 2019-03-29 2020-10-14 Airbus Operations GmbH Vorrichtung und system
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US9808823B2 (en) 2017-11-07
KR20130114167A (ko) 2013-10-16
JP5763777B2 (ja) 2015-08-12
BR112013010184B1 (pt) 2020-12-15
KR101537538B1 (ko) 2015-07-17
WO2012055686A1 (de) 2012-05-03
BR112013010184A2 (pt) 2016-09-13
DE102010049387A1 (de) 2012-04-26
US20130233243A1 (en) 2013-09-12
CN103328114B (zh) 2016-12-21
EP2632605B1 (de) 2019-05-15
PL2632605T3 (pl) 2019-10-31
JP2013545603A (ja) 2013-12-26
CN103328114A (zh) 2013-09-25

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