EP2179863A1 - Method for refining a carrier plate, in particular a wood or composite plate - Google Patents

Method for refining a carrier plate, in particular a wood or composite plate Download PDF

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Publication number
EP2179863A1
EP2179863A1 EP08018732A EP08018732A EP2179863A1 EP 2179863 A1 EP2179863 A1 EP 2179863A1 EP 08018732 A EP08018732 A EP 08018732A EP 08018732 A EP08018732 A EP 08018732A EP 2179863 A1 EP2179863 A1 EP 2179863A1
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EP
European Patent Office
Prior art keywords
plate
film
press plate
pressing
pressing device
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Granted
Application number
EP08018732A
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German (de)
French (fr)
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EP2179863B1 (en
Inventor
Ingo Lehnhoff
Frank Oldorff
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Flooring Technologies Ltd
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Flooring Technologies Ltd
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Publication date
Application filed by Flooring Technologies Ltd filed Critical Flooring Technologies Ltd
Priority to ES08018732T priority Critical patent/ES2391421T3/en
Priority to PL08018732T priority patent/PL2179863T3/en
Priority to EP08018732A priority patent/EP2179863B1/en
Publication of EP2179863A1 publication Critical patent/EP2179863A1/en
Application granted granted Critical
Publication of EP2179863B1 publication Critical patent/EP2179863B1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C5/00—Processes for producing special ornamental bodies
    • B44C5/04—Ornamental plaques, e.g. decorative panels, decorative veneers
    • B44C5/0469—Ornamental plaques, e.g. decorative panels, decorative veneers comprising a decorative sheet and a core formed by one or more resin impregnated sheets of paper
    • B44C5/0492—Ornamental plaques, e.g. decorative panels, decorative veneers comprising a decorative sheet and a core formed by one or more resin impregnated sheets of paper containing wooden elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44B—MACHINES, APPARATUS OR TOOLS FOR ARTISTIC WORK, e.g. FOR SCULPTURING, GUILLOCHING, CARVING, BRANDING, INLAYING
    • B44B5/00—Machines or apparatus for embossing decorations or marks, e.g. embossing coins
    • B44B5/0052—Machines or apparatus for embossing decorations or marks, e.g. embossing coins by pressing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44F—SPECIAL DESIGNS OR PICTURES
    • B44F9/00—Designs imitating natural patterns
    • B44F9/02—Designs imitating natural patterns wood grain effects

Definitions

  • the invention relates to a method for finishing a support plate, in particular a wood or wood-based panel, on the surface of a non-resin decorative paper is laminated and laminated with the carrier plate, applied to the laminated decorative paper a melamine resin layer as a sealing functional layer and then dried, the layer structure between an upper and a lower pressure plate of a short-cycle press is pressed under the action of heat and pressure and thereby melt the resin layers. Furthermore, the invention relates to a pressing device.
  • the method described above is for example from the EP 1 225 033 B1 known.
  • the plates produced by the process are used, for example, for furniture construction as a table top. They can also be used as panels. especially wall and floor panels.
  • Floor panels with a base plate made of wood material are commonly referred to as laminate panels and have been for many years for the substitution of parquet in the trade.
  • the surface of the support plate is first ground and then applied a primer of one or more melamine resin layers.
  • the primer is then the desired decor (parquet, wood grain, tiles, etc.) printed.
  • a functional layer is applied for sealing the top.
  • wear-resistant particles such as corundum, are embedded in the functional layer.
  • the layer structure is pressed and in the process a structure (relief) corresponding to the decor is embossed in order to match the visual and haptic impression with the natural material reproduced by the decor.
  • WO 2007/059805 A1 From the WO 2007/059805 A1 is a coating system with flowable coating material for smooth or textured surfaces known.
  • a material web with a structured surface is used.
  • a carrier material On the input side of the coating system, a carrier material is supplied, which is coated with a flowable material.
  • a collecting device Below the material web a collecting device is provided, which is funnel-shaped in cross section together with the material web, so that the flowable material can be applied to the carrier plate. While the carrier plate is transported with the overlying web through the device, the coating material hardens and it forms in its surface, the predetermined structure of the material web.
  • the pressing device is very complex. As a coating material expensive UV coatings must be used.
  • a textured film provided with depressions and / or elevations is arranged below the upper press plate, which ensures that the molten synthetic resin flows smoothly to the depressions and / or elevations of the texturing film, whereby a. After curing of the resin Structure forms.
  • the surface created in this way is characterized by a new visual and haptic impression.
  • the product surfaces are softer or more velvety, which is due to the effect of the structuring film instead of a hard steel pressed sheet. Since the structure is carried out in a short-cycle press by means of the structuring sensor film, the desired structure can be quickly and inexpensively changed or replaced. So it can be made on a pressing device a wide range of products.
  • a counteracting layer is preferably applied to the underside prior to pressing.
  • an adhesive is first applied areally.
  • the adhesive can be rolled, brushed or sprayed on.
  • the non-resin decorative paper is applied by unwinding from a roll.
  • the decor paper is pressed under the action of pressure and / or temperature with the large-sized carrier plate.
  • At least one functional layer of melamine-based resin is then applied as a seal on top of the decorative paper laminated with the carrier plate.
  • the surface of the support plate may be primed with a melamine- and / or urea-based resin and then dried.
  • the primer is preferably applied liquid in a direct coating plant.
  • the primer is preferably applied to the ground surface of the top of the carrier plate. As a result, a very smooth surface is achieved and a sharp structuring possible, which improves the visual and haptic impression of the finished finished carrier plate.
  • the laminated with the decor paper backing plate can be supplied as a prefabricated intermediate for liquid coating a direct coating plant. From the direct coating system, the plate is then fed to a pressing device, preferably a KT press (short-cycle press).
  • a pressing device preferably a KT press (short-cycle press).
  • a pressing device for pressing and structuring carrier plate provided with a plurality of resin layers with an upper pressure plate and a lower pressure plate is characterized in that a patterning foil provided with depressions and / or elevations is to be arranged below the upper pressure plate.
  • the texturing film is inexpensive to produce compared to a press plate. Although their wear behavior lags behind that of a press plate, their use is still more economical.
  • the press can be converted quickly if the structure is to be changed because the decorative paper has been changed.
  • decorsynchronous structures are easier to set up. Due to the quick change of decorative paper and associated shear foil can be produced a high quality and wide range of products.
  • the texturizer film is preferably applied to the press plate.
  • it is preferably fixable to the pressing plate, which can be done for example by suction, electrostatic charging or adhesion.
  • an unwinding device is arranged on one side next to the upper press plate, and a winding device for the texturing film is arranged on the opposite side.
  • the structure matching the printed decor is embossed in each case in the associated plate size.
  • the structure can be repeated on the foil tape.
  • the upper pressure plate has a press plate provided with a plurality of openings, and the openings communicate with a pneumatic device.
  • a negative pressure for sucking the pattern generator film can be generated.
  • the structurizer film then completely covers the openings in the press plate.
  • the pneumatic device may preferably generate an overpressure in a pulse-like manner, which blows the structured-film from the press plate.
  • the short-cycle press allows integrated flow production to be realized.
  • FIG. 2 schematically shows the side view of a short-cycle press 60 (KT press) with the upper pressure plate 1 and the lower pressure plate 11.
  • the upper pressure plate 1 consists of the upper frame 2, the press pad 3 and the press plate 4.
  • the arranged on a press table 12 lower Press plate 11 consists of the base 13, the press pad 14 and the press plate 15th
  • the lower press plate 11 is rigid. About the impression cylinder 5, the upper pressure plate 1 can be lowered to the lower pressure plate 11 and pressurized.
  • the press plates 1, 11 are heated by thermal oil in a known manner.
  • the openings in the press plate 4 are connected to a both negative pressure and positive pressure generating pneumatic device 50 in connection.
  • an unwinding device 6 and a winding device 10 are arranged opposite one another.
  • the structuring film 8 is unwound from the unwinding device 6 and simultaneously wound up by the winding device 10.
  • About deflecting rollers 7, 9, the pattern generator film is guided below the press plate 1.
  • the pneumatic device 50 generates negative pressure
  • the structuring film 9 is sucked onto the press plate 4.
  • To release a pneumatic blast is generated via the pneumatic device 50, which blows the structure-sensor film 8 from the press plate 4.
  • the large-sized support plate 100 for example, an MDF or HDF plate, be abraded by 0.1 mm.
  • melamine-based or urea-based liquid resin or a mixture of both may be applied to the top for priming and dried to the layer 101.
  • a non-resin decorative paper 102 is placed by this is unwound from a roll 32. This is done in a known laminating device 30, in which the applied decorative paper 102 is then laminated with the carrier plate 100.
  • a direct coating system 40 into which the laminated carrier plate is introduced as a prefabricated intermediate product, at least one functional layer 103 is applied as a seal of the upper side.
  • the functional layer 103 which consists of a melamine-based synthetic resin, the abrasion and / or the scratch-resistance-increasing particles can be integrated.
  • the functional layer 103 can also be formed antistatic.
  • At least one counter-tensile layer 104 is applied to its underside and dried. Subsequently, the carrier plate 100 is transported into the short-cycle press 60 and placed on the lower press plate 11. The structure of the patterning film 8 corresponding to the decor of the decor paper 102 is selected and then pulled under the upper press plate 1 by driving the take-up device 10. In this case, the structure sensor film 8 is wound from the unwinding device 6. The structuring film 8 is sucked onto the press plate 4 and then the upper press plate 1 is lowered onto the carrier plate 100.
  • the resin layers melt and the liquid resin runs into the recesses or fills the gaps between the elevations of the structuring film 8, so that after curing of the resin, a structure corresponding to the decoration in the surface of the Carrier plate 100 was generated.
  • the decorative paper 102 can directly on the top of the support plate 100th be laminated on.
  • an adhesive 105 is first rolled in the laminating device 30 with a roller 31.
  • the adhesive 105 used are conventional glues or adhesives, in any case those which are subsequently compressible with further layers on the KT press 60.
  • the decorative paper 102 is placed by being deposited by the roller 32.
  • the prefabricated carrier plate 100 can be stored temporarily and later entered into a direct coating system 40, in which a liquid overlay as a functional layer 103 is rolled over a roller 41.
  • the backing layer 104 can be applied liquid to the roller 42 on the underside. From the direct coating system 40, the carrier plate 100 then enters the KT press 60.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Laminated Bodies (AREA)

Abstract

The method involves applying an unvarnished decorative paper (102) on a surface of a carrier plate (100), and laminating the paper with the carrier plate. A melamine resin layer (103) is applied on the laminated paper as a sealing functional layer. A layer structure is compressed between upper and lower press plates (1, 11) of a short-cycle press under influence of heat and pressure to melt the resin layer. A film (8) provided with slots and/or ridges is arranged below the upper plate. The molten resin is smoothly adapted to the slots and/or ridges to form a structure after curing the resin. An independent claim is also included for a pressing device for pressing and structuring a carrier plate.

Description

Die Erfindung betrifft ein Verfahren zum Veredeln einer Trägerplatte, insbesondere einer Holz- oder Holzwerkstoffplatte, auf deren Oberfläche ein unbeharztes Dekorpapier aufgelegt und mit der Trägerplatte kaschiert wird, auf das kaschierte Dekorpapier eine Melaminharzschicht als versiegelnde Funktionsschicht aufgebracht und anschließend getrocknet wird, wobei der Schichtaufbau zwischen einer oberen und einer unteren Pressplatte einer Kurztakt-Presse unter Einwirkung von Wärme und Druck verpresst wird und dabei die Kunstharzschichten aufschmelzen. Ferner betrifft die Erfindung eine Pressvorrichtung.The invention relates to a method for finishing a support plate, in particular a wood or wood-based panel, on the surface of a non-resin decorative paper is laminated and laminated with the carrier plate, applied to the laminated decorative paper a melamine resin layer as a sealing functional layer and then dried, the layer structure between an upper and a lower pressure plate of a short-cycle press is pressed under the action of heat and pressure and thereby melt the resin layers. Furthermore, the invention relates to a pressing device.

Das vorstehend beschriebene Verfahren ist beispielsweise aus der EP 1 225 033 B1 bekannt. Die nach dem Verfahren hergestellten Platten werden beispielsweise für den Möbelbau als Tischplatte verwendet. Aus ihnen können auch Paneele. insbesondere Wand- und Fußbodenpaneele, hergestellt werden.The method described above is for example from the EP 1 225 033 B1 known. The plates produced by the process are used, for example, for furniture construction as a table top. They can also be used as panels. especially wall and floor panels.

Fußbodenpaneele mit einer Trägerplatte aus Holzwerkstoff werden üblicherweise als Laminatpaneele bezeichnet und sind seit vielen Jahren zur Substitution von Parkett im Handel. Um eine glatte Oberfläche zu erhalten, wird die Oberfläche der Trägerplatte zunächst geschliffen und dann eine Grundierung aus einer oder mehrerer Melaminharzschichten aufgetragen. Auf die Grundierung wird dann das gewünschte Dekor (Parkett, Holzmaserung, Fliesen usw.) aufgedruckt. Auf das gedruckte Dekor wird dann eine Funktionsschicht zur Versiegelung der Oberseite aufgebracht. Wenn die Trägerplatte anschließend zu Fußbodenpaneelen weiterverarbeitet werden soll, werden in die Funktionsschicht verschleißhemmende Partikel, beispielsweise Korund, eingebettet. Abschließend wird der Schichtaufbau verpresst und dabei eine zu dem Dekor korrespondierende Struktur (Relief) eingeprägt, um den optischen und haptischen Eindruck dem durch das Dekor nachgebildeten natürlichen Material anzugleichen.Floor panels with a base plate made of wood material are commonly referred to as laminate panels and have been for many years for the substitution of parquet in the trade. To obtain a smooth surface, the surface of the support plate is first ground and then applied a primer of one or more melamine resin layers. On the primer is then the desired decor (parquet, wood grain, tiles, etc.) printed. On the printed decor then a functional layer is applied for sealing the top. If the carrier plate is then to be further processed to floor panels, wear-resistant particles, such as corundum, are embedded in the functional layer. Finally, the layer structure is pressed and in the process a structure (relief) corresponding to the decor is embossed in order to match the visual and haptic impression with the natural material reproduced by the decor.

Aus der WO 2007/059805 A1 ist eine Beschichtungsanlage mit fließfähigem Beschichtungsmaterial für glatte oder strukturierte Oberflächen bekannt. Um die Oberfläche des Beschichtungsmaterials mit einer Struktur zu versehen, wird eine Materialbahn mit strukturierter Oberfläche eingesetzt. Eingangsseitig der Beschichtungsanlage wird ein Trägermaterial zugeführt, das mit einem fließfähigem Material beschichtet wird. Unterhalb der Materialbahn ist eine Auffangeinrichtung vorgesehen, die zusammen mit der Materialbahn im Querschnitt trichterförmig ausgebildet ist, so dass das fließfähige Material auf die Trägerplatte aufgebracht werden kann. Während die Trägerplatte mit der aufliegenden Materialbahn durch die Vorrichtung transportiert wird, härtet das Beschichtungsmaterial aus und es bildet sich in seiner Oberfläche die vorgegebene Struktur aus der Materialbahn aus. Die Pressvorrichtung ist sehr komplex aufgebaut. Als Beschichtungsmaterial müssen teure UV-Lacke verwendet werden.From the WO 2007/059805 A1 is a coating system with flowable coating material for smooth or textured surfaces known. In order to provide the surface of the coating material with a structure, a material web with a structured surface is used. On the input side of the coating system, a carrier material is supplied, which is coated with a flowable material. Below the material web a collecting device is provided, which is funnel-shaped in cross section together with the material web, so that the flowable material can be applied to the carrier plate. While the carrier plate is transported with the overlying web through the device, the coating material hardens and it forms in its surface, the predetermined structure of the material web. The pressing device is very complex. As a coating material expensive UV coatings must be used.

Es ist auch bekannt, Oberflächenstrukturen in auf Holzwerkstoffplatten aufkaschierte Folienpakete über Strukturgeber-Folien auf Umlaufpressen einzubringen. Da das Folienpaket bereits fertig ist, wird sowohl ein hoher Druck als auch eine hohe Temperatur benötigt. Da sowohl der aufbringbare Druck als auch die Temperatur durch den konstruktiven Aufbau der Umlaufpresse begrenzt sind, laufen derartige Anlagen nur sehr langsam. Die wiederverwendbare Strukturgeber-Folie übersteht nur eine begrenzte Anzahl an Durchläufen, so dass dieses Verfahren auch recht kostenintensiv ist.It is also known to introduce surface structures in laminated on wood-based panels film packages on texturizer films on rotary presses. Since the film package is already finished, both a high pressure and a high temperature is needed. Since both the applicable pressure and the temperature are limited by the structural design of the circulating press, such systems run only very slowly. The reusable structurizer film survives only a limited number of passes, so that this method is also quite expensive.

Von dieser Problemstellung ausgehend soll das eingangs beschriebene Verfahren zum Veredeln einer Trägerplatte verbessert werden und es soll eine Pressvorrichtung geschaffen werden, mit der entsprechend beschichtete Trägerplatten rasch und kostengünstig strukturiert werden können.Based on this problem, the method described at the outset for refining a carrier plate is to be improved and a press device is to be created with which correspondingly coated carrier plates can be structured quickly and cost-effectively.

Zur Problemlösung wird unterhalb der oberen Pressplatte eine mit Vertiefungen und/oder Erhöhungen versehene Strukturgeber-Folie angeordnet, die dafür sorgt, dass das aufgeschmolzene Kunstharz sich den Vertiefungen und/oder Erhöhungen der Strukturgeber-Folie fließend anpasst, wodurch sich nach dem Aushärten des Kunstharzes eine Struktur ausbildet.To solve the problem, a textured film provided with depressions and / or elevations is arranged below the upper press plate, which ensures that the molten synthetic resin flows smoothly to the depressions and / or elevations of the texturing film, whereby a. After curing of the resin Structure forms.

Die so hergestellte Oberfläche zeichnet sich durch einen neuen optischen und haptischen Eindruck aus. Die Produktoberflächen sind weicher bzw. samtiger, was durch die Wirkung der Strukturgeber-Folie anstelle eines harten Stahlpressblechs erfolgt. Da die Struktur in einer Kurztakt-Presse mittels der Strukturgeber-Folie erfolgt, kann die gewünschte Struktur schnell und kostengünstig geändert bzw. gewechselt werden. Es kann also eine breite Produktpalette auf einer Pressvorrichtung hergestellt werden.The surface created in this way is characterized by a new visual and haptic impression. The product surfaces are softer or more velvety, which is due to the effect of the structuring film instead of a hard steel pressed sheet. Since the structure is carried out in a short-cycle press by means of the structuring sensor film, the desired structure can be quickly and inexpensively changed or replaced. So it can be made on a pressing device a wide range of products.

Um eine spätere Schüsselung der Trägerplatte oder der daraus hergestellten Paneele zu vermeiden, wird vorzugsweise vor dem Verpressen auf die Unterseite eine Gegenzugschicht aufgebracht.In order to avoid a subsequent buffing of the support plate or the panels produced therefrom, a counteracting layer is preferably applied to the underside prior to pressing.

Auf die Oberseite der Trägerplatte wird zunächst flächig ein Haftmittel aufgetragen. Das Haftmittel kann aufgewalzt, aufgestrichen oder aufgesprüht werden. Danach wird dann das unbeharzte Dekorpapier durch Abwickeln von einer Rolle aufgelegt. Anschließend wird das Dekorpapier unter Wirkung von Druck und/oder Temperatur mit der großformatigen Trägerplatte verpresst. Auf die Oberseite des mit der Trägerplatte kaschierten Dekorpapiers wird dann wenigstens eine Funktionsschicht aus Harz auf Melaminbasis als Versiegelung aufgebracht.On the top of the carrier plate, an adhesive is first applied areally. The adhesive can be rolled, brushed or sprayed on. Thereafter, the non-resin decorative paper is applied by unwinding from a roll. Subsequently, the decor paper is pressed under the action of pressure and / or temperature with the large-sized carrier plate. At least one functional layer of melamine-based resin is then applied as a seal on top of the decorative paper laminated with the carrier plate.

Durch die Verwendung eines nicht imprägnierten Dekorpapiers ist die Herstellung kostengünstig und auf einfachen und bewährten Kaschiermaschinen durchführbar.By using a non-impregnated decor paper, the production is inexpensive and feasible on simple and proven laminating machines.

Vor dem Aufkaschieren des Dekorpapiers kann die Oberfläche der Trägerplatte mit einem Harz auf Melamin- und/oder Harnstoffbasis grundiert und anschließend getrocknet werden. Die Grundierung wird vorzugsweise flüssig in einer Direktbeschichtungsanlage aufgetragen.Before laminating the decorative paper, the surface of the support plate may be primed with a melamine- and / or urea-based resin and then dried. The primer is preferably applied liquid in a direct coating plant.

Die Grundierung wird vorzugsweise auf die geschliffene Oberfläche der Oberseite der Trägerplatte aufgebracht. Dadurch wird eine sehr glatte Oberfläche erreicht und eine scharfe Strukturierung möglich, was den optischen und haptischen Eindruck der fertig veredelten Trägerplatte verbessert.The primer is preferably applied to the ground surface of the top of the carrier plate. As a result, a very smooth surface is achieved and a sharp structuring possible, which improves the visual and haptic impression of the finished finished carrier plate.

Die mit dem Dekorpapier kaschierte Trägerplatte kann als vorgefertigtes Zwischenprodukt zum Flüssigbeschichten einer Direktbeschichtungsanlage zugeführt werden. Aus der Direktbeschichtungsanlage wird die Platte dann einer Pressvorrichtung, vorzugsweise einer KT-Presse (Kurztakt-Presse) zugeführt.The laminated with the decor paper backing plate can be supplied as a prefabricated intermediate for liquid coating a direct coating plant. From the direct coating system, the plate is then fed to a pressing device, preferably a KT press (short-cycle press).

Eine Pressvorrichtung zum Verpressen und Strukturieren von mit einer Mehrzahl von Harzschichten versehenen Trägerplatte mit einer oberen Pressplatte und einer unteren Pressplatte zeichnet sich dadurch aus, dass unterhalb der oberen Pressplatte eine mit Vertiefungen und/oder Erhöhungen versehene Strukturgeber-Folie anzuordnen ist.A pressing device for pressing and structuring carrier plate provided with a plurality of resin layers with an upper pressure plate and a lower pressure plate is characterized in that a patterning foil provided with depressions and / or elevations is to be arranged below the upper pressure plate.

Die Strukturgeber-Folie ist gegenüber einem Pressblech kostengünstig herstellbar. Auch wenn ihr Verschleißverhalten hinter dem eines Pressbleches zurücksteht, ist ihre Verwendung dennoch wirtschaftlicher. Die Presse kann schnell umgerüstet werden, wenn die Struktur gewechselt werden soll, weil das Dekorpapier verändert wurde. Außerdem sind dekorsynchrone Strukturen einfacher einrichtbar. Durch den schnellen Wechsel von Dekorpapier und zugehöriger Strukturgeber-Folie kann eine hochwertige und breite Produktpalette hergestellt werden.The texturing film is inexpensive to produce compared to a press plate. Although their wear behavior lags behind that of a press plate, their use is still more economical. The press can be converted quickly if the structure is to be changed because the decorative paper has been changed. In addition, decorsynchronous structures are easier to set up. Due to the quick change of decorative paper and associated shear foil can be produced a high quality and wide range of products.

Vorzugsweise liegt die Strukturgeber-Folie an der Pressplatte an. Insbesondere vorzugsweise ist sie an der Pressplatte fixierbar, was beispielsweise durch Ansaugen, elektrostatische Aufladung oder Adhäsion erfolgen kann.The texturizer film is preferably applied to the press plate. In particular, it is preferably fixable to the pressing plate, which can be done for example by suction, electrostatic charging or adhesion.

Vorzugsweise ist auf der einen Seite neben der oberen Pressplatte eine Abwickeleinrichtung und auf der gegenüberliegenden Seite eine Aufwickeleinrichtung für die Strukturgeber-Folie angeordnet. Auf der Strukturgeber-Folie ist die zu dem aufgedruckten Dekor passende Struktur jeweils in zugehöriger Plattengröße eingeprägt. Die Struktur kann sich auf dem Folienband wiederholen. Es können aber auch unterschiedliche Strukturen hintereinander (jeweils in Plattengröße) auf der Strukturgeber-Folie vorgesehen sein.Preferably, an unwinding device is arranged on one side next to the upper press plate, and a winding device for the texturing film is arranged on the opposite side. On the structure-forming film, the structure matching the printed decor is embossed in each case in the associated plate size. The structure can be repeated on the foil tape. However, it is also possible for different structures to be provided one behind the other (in each case in plate size) on the structure-forming film.

Vorzugsweise weist die obere Pressplatte ein mit einer Mehrzahl von Öffnungen versehenes Pressblech auf, und die Öffnungen stehen mit einer Pneumatikeinrichtung in Verbindung.Preferably, the upper pressure plate has a press plate provided with a plurality of openings, and the openings communicate with a pneumatic device.

Von der Pneumatik-Einrichtung kann ein Unterdruck zum Ansaugen der Strukturgeber-Folie erzeugt werden. Vorzugsweise deckt die Strukturgeber-Folie die Öffnungen im Pressblech dann vollständig ab. Um die am Pressblech anliegende Strukturgeber-Folie zu entfernen, kann von der Pneumatikeinrichtung vorzugsweise impulsartig ein Überdruck erzeugt werden, der die Strukturgeber-Folie vom Pressblech abbläst.From the pneumatic device, a negative pressure for sucking the pattern generator film can be generated. Preferably, the structurizer film then completely covers the openings in the press plate. In order to remove the structure sensor film applied to the press plate, the pneumatic device may preferably generate an overpressure in a pulse-like manner, which blows the structured-film from the press plate.

Durch die Kurztakt-Presse kann eine integrierte Fließfertigung realisiert werden.The short-cycle press allows integrated flow production to be realized.

Mit Hilfe einer Zeichnung soll ein Ausführungsbeispiel der Erfindung nachfolgend näher erläutert werden.With the aid of a drawing, an embodiment of the invention will be explained in more detail below.

Es zeigt:

Figur 1
- die schematische Ansicht einer Fertigungsstraße.
Figur 2
- die schematische Seitenansicht einer Kurztakt-Presse.
It shows:
FIG. 1
- The schematic view of a production line.
FIG. 2
- The schematic side view of a short-cycle press.

Figur 2 zeigt schematisch die Seitenansicht einer Kurztakt-Presse 60 (KT-Presse) mit der oberen Pressplatte 1 und der unteren Pressplatte 11. Die obere Pressplatte 1 besteht aus dem Obergestell 2, dem Presspolster 3 und dem Pressblech 4. Die auf einem Pressentisch 12 angeordnete untere Pressplatte 11 besteht aus dem Untergestell 13, dem Presspolster 14 und dem Pressblech 15. FIG. 2 schematically shows the side view of a short-cycle press 60 (KT press) with the upper pressure plate 1 and the lower pressure plate 11. The upper pressure plate 1 consists of the upper frame 2, the press pad 3 and the press plate 4. The arranged on a press table 12 lower Press plate 11 consists of the base 13, the press pad 14 and the press plate 15th

Die untere Pressplatte 11 ist starr. Über die Druckzylinder 5 kann die obere Pressplatte 1 auf die untere Pressplatte 11 abgesenkt und mit Druck beaufschlagt werden. Die Pressplatten 1, 11 werden über Thermalöl in bekannter Weise aufgeheizt. An dem Pressblech 4, das mit einer Mehrzahl nicht gezeigten Öffnungen versehen ist, liegt die Strukturgeber-Folie 9 an, in die eine Struktur eingeprägt ist. Die Öffnungen im Pressblech 4 stehen mit einer sowohl Unterdruck als auch Überdruck erzeugenden Pneumatikeinrichtung 50 in Verbindung. Beidseitig neben der oberen Pressplatte 1 sind sich gegenüberliegend eine Abwickelvorrichtung 6 und eine Aufwickelvorrichtung 10 angeordnet. Die Strukturgeber-Folie 8 wird von der Abwickelvorrichtung 6 abgewickelt und gleichzeitig von der Aufwickelvorrichtung 10 aufgewickelt. Über Umlenkrollen 7, 9 wird die Strukturgeber-Folie unterhalb der Pressplatte 1 entlanggeführt. Wenn die Pneumatikeinrichtung 50 Unterdruck erzeugt, wird die Strukturgeber-Folie 9 an das Pressblech 4 angesaugt. Zum Lösen wird über die Pneumatikeinrichtung 50 ein Druckluftstoß erzeugt, der die Strukturgeber-Folie 8 vom Pressblech 4 abbläst.The lower press plate 11 is rigid. About the impression cylinder 5, the upper pressure plate 1 can be lowered to the lower pressure plate 11 and pressurized. The press plates 1, 11 are heated by thermal oil in a known manner. On the press plate 4, which is provided with a plurality of openings, not shown, is applied to the structure sensor film 9, in which a structure is impressed. The openings in the press plate 4 are connected to a both negative pressure and positive pressure generating pneumatic device 50 in connection. On both sides next to the upper pressure plate 1, an unwinding device 6 and a winding device 10 are arranged opposite one another. The structuring film 8 is unwound from the unwinding device 6 and simultaneously wound up by the winding device 10. About deflecting rollers 7, 9, the pattern generator film is guided below the press plate 1. When the pneumatic device 50 generates negative pressure, the structuring film 9 is sucked onto the press plate 4. To release a pneumatic blast is generated via the pneumatic device 50, which blows the structure-sensor film 8 from the press plate 4.

Zum Glätten der Oberfläche kann die großformatige Trägerplatte 100, beispielsweise eine MDF- oder HDF-Platte, um 0,1 mm abgeschliffen werden. Sodann kann flüssiges Harz auf Melaminbasis oder Harnstoffbasis oder eine Mischung aus beiden auf die Oberseite zum Grundieren aufgetragen und zur Schicht 101 getrocknet. Auf die getrocknete Melaminharzschicht 101 wird ein unbeharztes Dekorpapier 102 aufgelegt, indem dieses von einer Rolle 32 abgewickelt wird. Dies geschieht in einer bekannten Kaschier-Einrichtung 30, in der das aufgelegte Dekorpapier 102 dann mit der Trägerplatte 100 kaschiert wird. Hierauf wird dann in einer Direktbeschichtungsanlage 40, in die die kaschierte Trägerplatte als vorgefertigtes Zwischenprodukt eingeführt wird, wenigstens eine Funktionsschicht 103 als Versiegelung der Oberseite aufgetragen. In der Funktionsschicht 103, die aus einem Kunstharz aus Melaminbasis besteht, können den Abrieb und/oder die Kratzfestigkeit erhöhende Partikel integriert sein. Die Funktionsschicht 103 kann auch antistatisch ausgebildet werden.For smoothing the surface, the large-sized support plate 100, for example, an MDF or HDF plate, be abraded by 0.1 mm. Then, melamine-based or urea-based liquid resin or a mixture of both may be applied to the top for priming and dried to the layer 101. On the dried melamine resin layer 101, a non-resin decorative paper 102 is placed by this is unwound from a roll 32. This is done in a known laminating device 30, in which the applied decorative paper 102 is then laminated with the carrier plate 100. Then, in a direct coating system 40 into which the laminated carrier plate is introduced as a prefabricated intermediate product, at least one functional layer 103 is applied as a seal of the upper side. In the functional layer 103, which consists of a melamine-based synthetic resin, the abrasion and / or the scratch-resistance-increasing particles can be integrated. The functional layer 103 can also be formed antistatic.

Zum Ausgleich der Wirkung des Schichtaufbaus 101, 102, 103 auf der Oberseite der Trägerplatte 100 wird auf ihrer Unterseite wenigstens eine Gegenzugschicht 104 aufgebracht und getrocknet. Anschließend wird die Trägerplatte 100 in die Kurztakt-Presse 60 hinein transportiert und auf die untere Pressplatte 11 aufgelegt. Die zu dem Dekor des Dekorpapiers 102 korrespondierende Struktur der Strukturgeber-Folie 8 wird ausgewählt und dann durch Antreiben der Aufwickelvorrichtung 10 unter die obere Pressplatte 1 gezogen. Dabei wickelt sich die Strukturgeber-Folie 8 von der Abwickelvorrichtung 6 ab. Die Strukturgeber-Folie 8 wird an das Pressblech 4 angesaugt und dann die obere Pressplatte 1 auf die Trägerplatte 100 abgesenkt. Durch die Hitze und den Druck schmelzen die Harzschichten auf und das flüssige Harz läuft in die Vertiefungen bzw. füllt die Zwischenräume zwischen den Erhöhungen der Strukturgeber-Folie 8 aus, so dass nach dem Aushärten des Harzes eine zu dem Dekor korrespondierende Struktur in der Oberfläche der Trägerplatte 100 erzeugt wurde.To compensate for the effect of the layer structure 101, 102, 103 on the upper side of the carrier plate 100, at least one counter-tensile layer 104 is applied to its underside and dried. Subsequently, the carrier plate 100 is transported into the short-cycle press 60 and placed on the lower press plate 11. The structure of the patterning film 8 corresponding to the decor of the decor paper 102 is selected and then pulled under the upper press plate 1 by driving the take-up device 10. In this case, the structure sensor film 8 is wound from the unwinding device 6. The structuring film 8 is sucked onto the press plate 4 and then the upper press plate 1 is lowered onto the carrier plate 100. Due to the heat and the pressure, the resin layers melt and the liquid resin runs into the recesses or fills the gaps between the elevations of the structuring film 8, so that after curing of the resin, a structure corresponding to the decoration in the surface of the Carrier plate 100 was generated.

Das Dekorpapier 102 kann unmittelbar auf die Oberseite der Trägerplatte 100 aufkaschiert werden. Hierzu wird in der Kaschiereinrichtung 30 zunächst mit einer Walze 31 ein Haftmittel 105 aufgewalzt. Als Haftmittel 105 werden übliche Leime oder Kleber verwendet, jedenfalls solche, die anschließend mit weiteren Schichten auf der KT-Presse 60 verpressbar sind. Auf die Schicht aus Haftmittel 105 wird das Dekorpapier 102 aufgelegt, indem es von der Rolle 32 abgelegt wird. Über die Walzen 33. 34 wird dann das Dekorpapier 102 aufkaschiert. Die so vorgefertigte Trägerplatte 100 kann zwischengelagert werden und später in eine Direktbeschichtungsanlage 40 eingegeben werden, in der über eine Walze 41 ein flüssiges Overlay als Funktionsschicht 103 aufgewalzt wird. Gleichzeitig kann auf die Unterseite die Gegenzugschicht 104 flüssig mit der Walze 42 aufgetragen werden. Aus der Direktbeschichtungsanlage 40 gelangt die Trägerplatte 100 dann in die KT-Presse 60.The decorative paper 102 can directly on the top of the support plate 100th be laminated on. For this purpose, an adhesive 105 is first rolled in the laminating device 30 with a roller 31. The adhesive 105 used are conventional glues or adhesives, in any case those which are subsequently compressible with further layers on the KT press 60. On the layer of adhesive 105, the decorative paper 102 is placed by being deposited by the roller 32. About the rollers 33. 34 then the decorative paper 102 is laminated. The prefabricated carrier plate 100 can be stored temporarily and later entered into a direct coating system 40, in which a liquid overlay as a functional layer 103 is rolled over a roller 41. At the same time, the backing layer 104 can be applied liquid to the roller 42 on the underside. From the direct coating system 40, the carrier plate 100 then enters the KT press 60.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Obere PressplatteUpper press plate
22
Obergestellupper frame
33
Presspolsterpress pad
44
Pressblechpress plate
55
Druckzylinderpressure cylinder
66
Abwickelvorrichtungunwinding
77
Umlenkrolleidler pulley
88th
Strukturgeber-FolieAerating film
99
Umlenkrolleidler pulley
1010
Aufwickelvorrichtungrewinder
1111
Untere PressplatteLower press plate
1212
Pressentischpress table
1313
Untergestellundercarriage
1414
Presspolsterpress pad
1515
Pressblechpress plate
3030
Kaschiereinrichtunglaminating device
3131
Walzeroller
3232
Walzeroller
3333
Walzeroller
3434
Walzeroller
4040
DirektbeschichtungsanlageDirect coating plant
4141
Walzeroller
4242
Walzeroller
5050
Pneumatikeinrichtungpneumatic equipment
100100
Trägerplatte/HolzwerkstoffplatteCarrier plate / wood material board
101101
Grundierungprimer
102102
Dekorpapierdecorative paper
103103
Funktionsschichtfunctional layer
104104
Gegenzugschichtcounteracting
105105
Haftmitteladhesives

Claims (16)

Verfahren zum Veredeln einer Trägerplatte (100), insbesondere einer Holz- oder Holzwerkstoffplatte, auf deren Oberfläche ein unbeharztes Dekorpapier (102) aufgelegt und mit der Trägerplatte (100) kaschiert wird, auf das kaschierte Dekorpapier (102) mindestens eine Melaminharzschicht (103) als versiegelnde Funktionsschicht aufgebracht und anschließend getrocknet wird, wobei der Schichtaufbau zwischen einer oberen und einer unteren Pressplatte (1, 11) einer Kurztakt-Presse unter Einwirkung von Wärme und Druck verpresst wird und dabei die Kunstharzschichten (101, 103) aufschmelzen, dadurch gekennzeichnet, dass unterhalb der oberen Pressplatte (1) eine mit Vertiefungen und/oder Erhöhungen versehene Strukturgeber-Folie (8) angeordnet wird, und das aufgeschmolzene Kunstharz sich den Vertiefungen und/oder Erhöhungen der Strukturgeber-Folie (8) fließend anpasst, wodurch sich nach dem Aushärten des Kunstharzes eine Struktur ausbildet.Method for finishing a carrier plate (100), in particular a wood or wood-based panel, on the surface of which an unhardened decorative paper (102) is laid and laminated with the carrier plate (100), on the laminated decorative paper (102) at least one melamine resin layer (103) sealing functional layer is applied and then dried, wherein the layer structure between an upper and a lower pressure plate (1, 11) of a short-cycle press under the action of heat and pressure is pressed and thereby melt the synthetic resin layers (101, 103), characterized in that below the upper press plate (1) is provided with a recess and / or elevations textured film (8), and the molten resin is the recesses and / or elevations of the pattern generator film (8) adapts, whereby after curing of the synthetic resin forms a structure. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass das Auflegen des Dekorpapiers (102) durch Abwickeln von einer Rolle erfolgt.A method according to claim 1, characterized in that the laying of the decorative paper (102) takes place by unwinding from a roll. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass vor dem Verpressen auf die Unterseite der Trägerplatte (100) mindestens eine Gegenzugschicht (104) aufgebracht wird.A method according to claim 1 or 2, characterized in that before the pressing on the underside of the carrier plate (100) at least one Gegenzugschicht (104) is applied. Verfahren nach einem oder mehreren der vorstehenden Ansprüche, dadurch gekennzeichnet, dass die Oberfläche vor dem Kaschieren mit einem Harz auf Melamin- und/oder auf Harnstoffbasis grundiert und anschließend getrocknet wird und die Grundierung (101) vorzugsweise flüssig aufgetragen wird.Method according to one or more of the preceding claims, characterized in that the surface is primed prior to lamination with a resin based on melamine and / or urea and then dried and the primer (101) is preferably applied liquid. Verfahren nach Anspruch 4, dadurch gekennzeichnet, dass die Grundierung auf die geschliffene Oberfläche der Oberseite der Trägerplatte (100) aufgebracht wird.A method according to claim 4, characterized in that the primer is applied to the ground surface of the upper side of the carrier plate (100). Verfahren nach einem oder mehreren der vorstehenden Ansprüche, dadurch gekennzeichnet, dass die mit dem Dekorpapier (102) kaschierte Trägerplatte (100) als vorgefertigtes Zwischenprodukt einer Direktbeschichtungsanlage (40) zugeführt wird, in der die Funktionsschicht (103) aufgebracht wird.Method according to one or more of the preceding claims, characterized in that the support plate (100) laminated with the decorative paper (102) is fed as a prefabricated intermediate product to a direct coating installation (40) in which the functional layer (103) is applied. Pressvorrichtung zum Verpressen und Strukturieren von mit einer Mehrzahl von Harzschichten (101, 103, 104) versehenen Trägerplatten (100), insbesondere Holz- oder Holzwerkstoffplatten, mit einer oberen Pressplatte (1) und einer unteren Pressplatte (2), dadurch gekennzeichnet, dass unterhalb der oberen Pressplatte (1) eine mit Vertiefungen und/oder Erhöhungen vorgesehene Strukturgeber-Folie (8) anzuordnen ist.Pressing device for pressing and structuring carrier plates (100) provided with a plurality of resin layers (101, 103, 104), in particular wood or wood-based panels, with an upper press plate (1) and a lower press plate (2), characterized in that below the upper press plate (1) is to be arranged with a structured sensor film (8) provided with depressions and / or elevations. Pressvorrichtung nach Anspruch 7, dadurch gekennzeichnet, dass die Strukturfolie (8) an der Pressplatte (1) anliegt.Pressing device according to claim 7, characterized in that the structure foil (8) rests against the pressing plate (1). Pressvorrichtung nach Anspruch 7 oder 8, dadurch gekennzeichnet, dass die Strukturfolie (8) an der Pressplatte (1) fixierbar ist.Pressing device according to claim 7 or 8, characterized in that the structured film (8) can be fixed to the pressing plate (1). Pressvorrichtung nach Anspruch 9, dadurch gekennzeichnet, dass die Strukturfolie (8) an die Pressplatte (1) ansaugbar ist.Pressing device according to claim 9, characterized in that the structure foil (8) can be sucked onto the pressing plate (1). Pressvorrichtung nach einem oder mehreren der Ansprüche 7 bis 10, dadurch gekennzeichnet, dass auf der einen Seite neben der oberen Pressplatte (1) eine Abwickelvorrichtung (6) und auf der gegenüberliegenden Seite der Pressplatte (1) eine Aufwickelvorrichtung für die Strukturgeber-Folie (8) angeordnet sind.Pressing device according to one or more of claims 7 to 10, characterized in that on the one side next to the upper press plate (1) an unwinding device (6) and on the opposite side of the press plate (1) a take-up device for the texturing film (8 ) are arranged. Pressvorrichtung nach einem oder mehreren der vorstehenden Ansprüche, dadurch gekennzeichnet, dass die obere Pressplatte (1) ein mit einer Mehrzahl von Öffnungen versehenes Pressblech (4) aufweist und die Öffnungen mit einer Pneumatikeinrichtung (50) in Verbindung stehen.Pressing device according to one or more of the preceding claims, characterized in that the upper pressure plate (1) has a pressure plate (4) provided with a plurality of openings and the openings are in communication with a pneumatic device (50). Pressvorrichtung nach Anspruch 12, dadurch gekennzeichnet, dass von der Pneumatikeinrichtung (50) ein Unterdruck zum Ansaugen der Strukturgeber-Folie (8) an das Pressblech (4)/die Pressplatte (1) erzeugbar ist.Pressing device according to claim 12, characterized in that from the pneumatic device (50), a negative pressure for sucking the pattern-forming film (8) to the press plate (4) / the press plate (1) can be generated. Pressvorrichtung nach Anspruch 12 oder 13, dadurch gekennzeichnet, dass von der Pneumatikeinrichtung (50) ein Überdruck zum Abblasen der Strukturfolie (8) vom Pressblech (4)/der Pressplatte (1) erzeugbar ist.Pressing device according to claim 12 or 13, characterized in that from the pneumatic device (50) an overpressure for blowing off the structured film (8) from the press plate (4) / the press plate (1) can be generated. Pressvorrichtung nach Anspruch 14, dadurch gekennzeichnet, dass der Überdruck impulsartig erzeugbar ist.Pressing device according to claim 14, characterized in that the overpressure can be generated in a pulse-like manner. Pressvorrichtung nach Anspruch 12, dadurch gekennzeichnet, dass die Öffnungen im Pressblech (4) von der Strukturgeber-Folie (8) vollständig abdeckbar sind.Pressing device according to claim 12, characterized in that the openings in the press plate (4) of the pattern-forming film (8) are completely coverable.
EP08018732A 2008-10-27 2008-10-27 Method for refining a carrier plate, in particular a wood or composite plate Not-in-force EP2179863B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
ES08018732T ES2391421T3 (en) 2008-10-27 2008-10-27 Procedure for finishing a support plate, in particular a wood or wood composite plate
PL08018732T PL2179863T3 (en) 2008-10-27 2008-10-27 Method for refining a carrier plate, in particular a wood or composite plate
EP08018732A EP2179863B1 (en) 2008-10-27 2008-10-27 Method for refining a carrier plate, in particular a wood or composite plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08018732A EP2179863B1 (en) 2008-10-27 2008-10-27 Method for refining a carrier plate, in particular a wood or composite plate

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EP2179863B1 EP2179863B1 (en) 2012-08-01

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ES2378679A1 (en) * 2010-01-15 2012-04-17 Grupo Alvic Fr Mobiliario, S.L. Procedure for manufacturing elements with bright finish for the realization of furniture or other objects and product. (Machine-translation by Google Translate, not legally binding)
EP3296107A1 (en) * 2016-09-15 2018-03-21 Flooring Technologies Ltd. Method for producing a high pressure laminate
EP3296123A1 (en) * 2016-09-15 2018-03-21 SWISS KRONO Tec AG Structure providing film
EP3539792A1 (en) 2018-03-15 2019-09-18 SWISS KRONO Tec AG Method for creating structures on a substrate

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CN103692839B (en) * 2013-12-24 2016-02-10 吴江华尔美特装饰材料有限公司 A kind of wallpaper printing device
ES2654104B1 (en) * 2016-08-09 2018-12-27 Servifibra S.L. MACHINE FOR THE ADJUSTMENT AND STICKING OF PAPER ON WOOD

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DE2603414A1 (en) * 1976-01-29 1977-08-11 Becker & Van Huellen Hot-press for chipboard plywood or fibre sheets - has treatment plates formed from film or paper webs on either side of the wooden article
EP1225033A1 (en) * 1996-02-28 2002-07-24 Perstorp Ab A process for the manufacture of a decorative laminate
EP1225033B1 (en) 1996-02-28 2004-05-06 Pergo (Europe) AB A process for the manufacture of a decorative laminate
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Cited By (5)

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Publication number Priority date Publication date Assignee Title
ES2378679A1 (en) * 2010-01-15 2012-04-17 Grupo Alvic Fr Mobiliario, S.L. Procedure for manufacturing elements with bright finish for the realization of furniture or other objects and product. (Machine-translation by Google Translate, not legally binding)
EP3296107A1 (en) * 2016-09-15 2018-03-21 Flooring Technologies Ltd. Method for producing a high pressure laminate
EP3296123A1 (en) * 2016-09-15 2018-03-21 SWISS KRONO Tec AG Structure providing film
EP3296107B1 (en) 2016-09-15 2018-10-24 Flooring Technologies Ltd. Method for producing a high pressure laminate
EP3539792A1 (en) 2018-03-15 2019-09-18 SWISS KRONO Tec AG Method for creating structures on a substrate

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EP2179863B1 (en) 2012-08-01
ES2391421T3 (en) 2012-11-26

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