EP4025436A1 - Moule de pressage, pièce, procédé de fabrication d'un moule de pressage et procédé de fabrication d'une pièce - Google Patents

Moule de pressage, pièce, procédé de fabrication d'un moule de pressage et procédé de fabrication d'une pièce

Info

Publication number
EP4025436A1
EP4025436A1 EP20771436.1A EP20771436A EP4025436A1 EP 4025436 A1 EP4025436 A1 EP 4025436A1 EP 20771436 A EP20771436 A EP 20771436A EP 4025436 A1 EP4025436 A1 EP 4025436A1
Authority
EP
European Patent Office
Prior art keywords
shaped
pressing
area
rod
workpiece
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.)
Pending
Application number
EP20771436.1A
Other languages
German (de)
English (en)
Inventor
Berthold Thölen
Jörg Albrecht
Thorsten Hagedorn
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.)
Hueck Rheinische GmbH
Original Assignee
Hueck Rheinische 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 Hueck Rheinische GmbH filed Critical Hueck Rheinische GmbH
Publication of EP4025436A1 publication Critical patent/EP4025436A1/fr
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/06—Platens or press rams
    • B30B15/062—Press plates
    • 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
    • B44B5/02—Dies; Accessories
    • B44B5/026—Dies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
    • B44C1/22—Removing surface-material, e.g. by engraving, by etching
    • B44C1/228—Removing surface-material, e.g. by engraving, by etching by laser radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44F—SPECIAL DESIGNS OR PICTURES
    • B44F1/00—Designs or pictures characterised by special or unusual light effects
    • B44F1/02—Designs or pictures characterised by special or unusual light effects produced by reflected light, e.g. matt surfaces, lustrous surfaces

Definitions

  • the invention relates to a pressing tool with a structured pressing surface, a workpiece, in particular a material plate or a material strip with a structured surface, a method for producing the pressing tool and a method for producing the workpiece.
  • DE 10 2007 055 053 A1 discloses a press plate which comprises a structured press surface with several degrees of gloss.
  • the structured surface includes a structure that has a mountain-like surface with valleys and heights.
  • EP 2289708 B1 discloses a method for producing a surface structure of a metallic press sheet, endless belt or a cylindrical embossing roller with the aid of a laser.
  • the object of the present invention is to provide an alternative pressing tool with a structured pressing surface, which is provided to produce a workpiece, in particular a material plate with a structured surface, by pressing, so that at least one area of the structured surface appears relatively matt.
  • the object of the invention is achieved by a pressing tool having a structured pressing surface, which is provided to produce a workpiece with a structured surface by pressing, wherein at least one area of the Pressing surface has a peg-shaped and / or rod-shaped structure with pegs and / or rods protruding from the pressing surface.
  • the press tool according to the invention which is, for example, an endless belt with the structured press surface, a press roll with the structured press surface or preferably a press plate with the structured press surface, is designed in such a way that at least one area of the press surface includes the peg-shaped and / or rod-shaped structure. This area thus comprises a structure with several pegs and / or rods that protrude from the pressing surface.
  • the pressing tool is intended to produce workpieces that have a structured surface.
  • the workpiece is in particular a material plate with the structured surface or a material web with the structured surface.
  • the workpiece e.g. the material plate
  • the workpiece is produced in particular by pressing a surface of a base material plate with the pressing surface of the pressing tool according to the invention.
  • the crater-shaped depressions are created by pressing the pegs or rods of the cone-shaped or rod-shaped structured area into the surface of the base material plate.
  • the structured surface of the workpiece is in particular a structured decorative surface. This can be monochrome, in particular black or white, or multicolored.
  • a further aspect of the invention thus relates to a workpiece, in particular a material plate or a material web, having a structured surface which has at least one area that includes crater-shaped depressions around it To give the area a relatively matt impression.
  • the workpiece according to the invention is produced in particular by means of the pressing tool according to the invention by pressing a surface of a base workpiece with the pressing surface of the pressing tool according to the invention.
  • the structured surface of the workpiece according to the invention has the area with the crater-shaped depressions, this area absorbs at least part of the incident light, which creates the conditions for this area to appear relatively matt compared to the rest of the structured surface, if not deep black.
  • the workpiece according to the invention designed as a material plate is used, for example, as a laminate for floor coverings, as a front surface of a piece of furniture, etc. It includes, for example, a support made of a synthetic resin or a natural material such as wood.
  • the carrier is e.g. an MDF or chipboard or a sheet of paper that is impregnated with a synthetic resin.
  • the decorative surface can e.g. be provided with a pattern and / or colored or multicolored.
  • the material plate in particular forms a decorative material plate.
  • the material plate can also be a so-called luxurious vinyl tile (LVT).
  • the workpiece for example, designed as a material web, can comprise several plastic layers or webs that are welded together by temperature and structured as a pressing tool with a particularly cooled embossing roller.
  • the peg-shaped and / or rod-shaped structure of the pressing surface can be designed to be uniform. So that the area of the structured surface of the decor surface appears as matt as possible, the peg-shaped and / or rod-shaped structure is preferably an irregularly designed cone-shaped and / or rod-shaped structure.
  • the crater-shaped depressions of the structured surface can be designed to be uniform. So that the area of structured If the surface appears as matt as possible, the crater-shaped depressions are preferably irregularly formed crater-shaped depressions.
  • the structured surface is preferably produced by pressing with the pressing surface of the pressing tool according to the invention. So that the pressing surface can be removed from the structured surface as easily as possible after pressing, the pegs and / or rods are preferably designed without undercuts.
  • the pins and / or rods have a relatively low height of 1 ⁇ m to 50 ⁇ m.
  • the crater-shaped depressions of the structured surface of the workpiece according to the invention preferably have a depth of 1 ⁇ m to 50 ⁇ m. This makes it possible for the crater-shaped depressions to be hardly recognized as such with the naked eye, if so, and for only the matt impression of the area of the structured surface to be perceived.
  • the density per area of the pegs and / or rods is between 10 9 per cm 2 and 6.25 times 10 4 per cm 2 .
  • the crater-shaped depressions of the structured surface of the workpiece according to the invention preferably have a density between 10 9 per cm 2 and 6.25 times 10 4 per cm 2 . This relatively high density makes it possible for the area of the structured surface to be designed in such a way that the crater-shaped depressions can hardly be recognized as such with the naked eye, if so, and only the matt impression of the area of the structured surface is perceived.
  • the height of the pegs and / or rods is preferably greater than the maximum diameter of their cross-sectional areas.
  • the depth of the depressions is preferably greater than the maximum diameter of their cross-sectional areas.
  • the density of the pegs and / or rods or the peg-shaped depressions is preferably selected as a function of the mattness of the area of the pressing surface or structured surface to be achieved.
  • the pins or rods of the pressing surface of the pressing tool according to the invention are, for example, conical, conical, pyramidal, truncated pyramidal and / or cuboid.
  • the components of the pegs and / or rods facing away from the pressing surface can be rounded.
  • the crater-shaped depressions of the structured surface are preferably cone-shaped and / or rod-shaped, in particular conical, pyramid-shaped, cuboid, and / or in particular have rounded surfaces.
  • the pressing surface can be produced, for example, by means of a laser.
  • One aspect of the invention thus relates to a method for producing the press tool according to the invention, having a control of a laser in such a way that it removes material from the press surface in such a way as to produce the area of the press surface with the peg-shaped and / or rod-shaped structure.
  • the pressing surface can have a basic structure which is at least indirectly overlaid in the area of the peg-shaped and / or rod-shaped structure.
  • the pressing surface of the pressing tool can have a basic structure which is superimposed in the area by the peg-shaped and / or rod-shaped structure.
  • a Be arranged wearing layer On the basic structure with the superimposed cone-shaped and / or rod-shaped structure, a Be arranged wearing layer.
  • the wear layer is preferably made of metal, for example chrome.
  • the wear layer may be arranged on the basic structure and for the area with the peg-shaped and / or rod-shaped structure to be arranged in the wear layer.
  • its structured surface can have a basic structure which is superimposed in the area of the crater-shaped depressions.
  • the overall appearance of the structure of the workpiece is determined by the basic structure. This appears more matt in the area in which the basic structure is overlaid by the crater-shaped depressions.
  • the pressing surface is assigned in particular to a natural material, such as wood or stone, and is in particular essentially determined by the basic structure.
  • a template e.g. a piece of wood or a stone
  • image data include, in particular, information about the basic structure that the press surface should have.
  • the image data obtained as a result of the scanning can, for example, be edited manually in order to obtain image data assigned to the basic structure of the press surface.
  • the pressing surface of which has this basic structure which is at least indirectly overlaid in the area of the peg-shaped and / or rod-shaped structure
  • this has a control of the laser depending on the image data assigned to the basic structure.
  • the laser arranges the peg-shaped and / or rod-shaped structure in the wear layer or directly in the basic structure, which is then optionally provided with a wear layer. Due to the activation of the laser as a function of the image data, it is made possible in a relatively simple manner that the To superimpose the basic structure in a targeted manner with the cone-shaped and / or rod-shaped structure.
  • the press tool according to the invention, it is provided that several areas of the press surface have a peg-shaped and / or rod-shaped structure with pegs and / or rods protruding from the press surface, which differ in their properties, so that the areas appear differently matt.
  • cones or rods includes, among other things, their height, density and / or type of cones or rods, or the ratio of the height of the cones or rods to the maximum diameter of the cross-sectional area.
  • the nature of the depressions includes, among other things, their depth, density or the ratio of the depth of the depressions to the maximum diameter of the cross-sectional area.
  • FIG. 2 shows a section of the decorative surface with an area which comprises crater-shaped depressions
  • 4 shows a base material plate
  • 5 shows a pressing tool with a structured pressing surface
  • FIG. 1 shows a material plate 1 which comprises a structured surface, in particular a structured decorative surface 2.
  • the decorative surface 2 can be monochrome or colored and / or provided with a pattern.
  • the material plate 1 comprises, for example, a carrier 5 with the decorative surface 2.
  • the carrier 5 is made, for example, of synthetic resin or of a natural material such as wood.
  • the carrier 5 is, for example, an MDF or chipboard.
  • the material plate 1 comprises, for example, a paper impregnated with synthetic resin.
  • the decorative surface 2 comprises an area 3 which is provided with crater-shaped depressions 4.
  • a section of the decorative surface 2, which shows this area 3, is shown in FIG. 2 as a top view.
  • 3 shows several embodiments of the crater-shaped depressions 4 in section.
  • the crater-shaped depressions 4 are preferably cone-shaped and / or rod-shaped, in particular cone-shaped, pyramidal, truncated pyramidal, conical, cuboid, and / or in particular have rounded surfaces.
  • FIG. 3 An example of a crater-shaped depression having a rounded surface is provided with the reference numeral 4a in FIG. 3.
  • An example of a truncated pyramid-shaped depression is provided in FIG. 3 with the reference symbol 4b.
  • An example of a cuboid recess is shown in FIG. 3 with the Reference numeral 4c provided.
  • An example of a conical or conical recess is provided in FIG. 3 with the reference symbol 4d.
  • the crater-shaped depressions 4 give the decorative surface 2 in this area 3 a more matt appearance.
  • the decorative surface 2 can for the most part be smooth and only structured in the area 3.
  • the decorative surface 2 has a basic structure 6.
  • the crater-shaped depressions 4 overlay this basic structure 6.
  • the basic structure 6 is assigned to a natural material, e.g. wood or natural stone.
  • the decorative surface 2 can have exactly one area 3 with the crater-shaped depressions 4 or several areas 3 with crater-shaped depressions 4.
  • the crater-shaped depressions 4 of the different areas 3 can differ so that the corresponding areas 3 appear matt differently. Different degrees of mattness can be achieved, for example, by the depth t of the crater-shaped depressions 4, by different densities of the crater-shaped depressions 4 per area of the corresponding region 3, or by their order.
  • the crater-shaped depressions 4 are preferably arranged irregularly.
  • the crater-shaped depressions of the decorative surface 2 have, for example, a depth t of 1 ⁇ m to 50 ⁇ m.
  • the density of the crater-shaped depressions per area is, for example, between 10 9 per cm 2 and 6.25 times 10 4 per cm 2 .
  • the depth t of the depressions are in particular greater than the maximum diameter d2 of their cross-sectional areas.
  • the material plate 1 can be produced, for example, by using a base material plate 41 shown in FIG. 4.
  • the base material plate 41 comprises a surface 42.
  • a structured pressing surface of a pressing tool which is for example an endless belt or an embossing roller, the structured decorative surface 2 can be produced, whereby the material plate 1 is created.
  • FIG. 5 shows a pressing tool in the form of a pressing plate 51 which comprises a structured pressing surface 52.
  • the press plate 51 is provided in particular to produce the material plate 1.
  • the pressing surface 52 comprises a region 53 which has a peg-shaped and / or rod-shaped structure 54 with pegs and / or rods protruding from the pressing surface 52.
  • a section of the pressing surface 52, which shows this area 53, is shown in FIG. 6 as a plan view.
  • Fig. 7 shows a sectional view of several embodiments of the pegs and / or rods.
  • the cones or rods are, for example, conical, pyramidal, sock-shaped, conical and / or cuboid.
  • the constituent parts of the pegs and / or rods facing away from the pressing surface 52 can be rounded.
  • pegs or rods having rounded surfaces is provided with the reference symbol 54a in FIG. 7.
  • An example of truncated pyramid-shaped pegs or rods is provided in FIG. 7 with the reference symbol 54b.
  • An example of cuboid pegs or rods is provided in FIG. 7 with the reference number 54c.
  • An example of conical or conical pegs or rods is provided in FIG. 7 with the reference number 54d.
  • the pressing surface 52 can for the most part be smooth and only structured in the area 53.
  • the pressing surface 52 has a basic structure 56 which is assigned to the basic structure 6 of the decorative surface 2.
  • the peg-shaped and / or rod-shaped structures 54 overlay this basic structure 56.
  • the pressing surface 52 can have exactly one area 53 with the peg-shaped and / or rod-shaped structure 54 or a plurality of areas 53 with a peg-shaped and / or rod-shaped structure 54.
  • the peg-shaped and / or rod-shaped structures 54 of the different areas 54 can differ.
  • the heights h of the pegs and / or rods of the peg-shaped and / or rod-shaped structures 54 or their densities per area of the corresponding region 53 can differ or by their order.
  • the pegs and / or rods are preferably arranged irregularly.
  • the cones and / or rods have, for example, a height h of 1 gm to 50 gm.
  • the density of the cones and / or rods per area is, for example, between 10 9 per cm 2 and 6.25 times 10 4 per cm 2 .
  • the height h of the pegs and / or rods is preferably greater than the maximum diameter d1 of their cross-sectional area.
  • the pegs and / or rods are in particular designed without undercuts.
  • the press plate 51 comprises a wear layer 55, in particular made of metal, which is arranged over the basic structure 54.
  • the pressing tool 51 can be designed such that the peg-shaped and / or rod-shaped structure 54 is superimposed on the basic structure 56 in the area 53, and a wear layer 55 is arranged on the basic structure 56 with the cone-shaped and / or rod-shaped structure 54 superimposed on it.
  • the pressing tool 51 can be designed in such a way that the wear layer 55 is arranged on the basic structure 56 in which the area 53 with the peg-shaped and / or rod-shaped structure 54 is arranged.
  • FIG 8 shows, in a plan view, an example of a device 81 which is set up to produce at least the region 53 of the pressing surface 52.
  • the basic structure 56 of the pressing surface 52 can also be produced with this device 81 or, for example, by means of etching, in accordance with the teaching of DE 10 2007 055 053 A1.
  • the device 81 shown in FIG. 8 comprises a support table 82 which has a support surface 84 made from a plurality of individual plane surfaces 83.
  • a support surface 84 made from a plurality of individual plane surfaces 83.
  • the press plate 51 For the lowering position of the press plate 51, it is placed on the support surface 82 in such a way that the press surface 52 faces away from the support surface 84.
  • the device 81 comprises an electronic control device 85 which controls the operation of the device 81.
  • suction openings are formed in the plane surfaces 83, which draws the press plate 51 onto the plane surfaces 83 by means of a vacuum pump of the device 81, which is not shown and controlled by the electronic control device 85, whereby the press plate 51 is fixed on the support surface 84.
  • the device 81 comprises guide rails 86 which are arranged in the longitudinal direction of the support surface 84 and next to the support surface 84.
  • the device 81 comprises, in particular, sliding guides 87 which are mounted so as to be movable along the guide rails 86.
  • the device 81 comprises, in particular, transverse rails 88 which are oriented transversely to the support surface 84 and which are each connected to the sliding guides 87 at their ends.
  • the device 81 further comprises a laser device 95, which is mounted displaceably along the cross rails 89.
  • the laser device 95 comprises a laser 97 controllable by the electronic control device 85.
  • the device 81 comprises an electric drive 89 which is set up, controlled by the electronic control device 85, the sliding guides 87 and thus the transverse rails 88 or the laser device 95 along the guide rails 86 and thus in the longitudinal direction of the support surface 84 move.
  • the device 81 comprises a further electric drive 96 which is set up, controlled by the electronic control device 85, to move the laser device 95 along the transverse rails 88 and thus transversely to the support surface 84.
  • the device 81 is designed in such a way that the press plate 51 fixed on the support surface 84 is arranged between the support surface 84 and the laser device 95 or the laser 97.
  • the device 81 is set up to process the press plate 52 fixed on the support surface 84 by the electronic control device 85 controlling the laser 97 in such a way that it provides the area 53 of the pressing surface with the cone-shaped and / or rod-shaped structure 54 .

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Optics & Photonics (AREA)
  • Toxicology (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)

Abstract

L'invention concerne un moule de pressage (51 ) comprenant une surface de pressage (52) structurée destinée à la fabrication, par compression, d'une pièce (1) dotée d'une surface (2) structurée. Au moins une zone (53) de la surface de pressage (52) présente une structure (54) en forme d'ergots et/ou de bâtonnets pourvue d'ergots et/ou de bâtonnets (54a- 54d) faisant saille de la surface de pressage (52). L'invention concerne également une pièce (1) qui comporte une surface (2) structurée. Au moins une zone (3) de la surface (2) structurée comporte des creux (4) en forme de cratères ménagés dans la surface (2) structurée afin de conférer à cette zone (3) un aspect relativement mat.
EP20771436.1A 2019-09-06 2020-09-02 Moule de pressage, pièce, procédé de fabrication d'un moule de pressage et procédé de fabrication d'une pièce Pending EP4025436A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019124004.2A DE102019124004A1 (de) 2019-09-06 2019-09-06 Presswerkzeug, Werkstück, Verfahren zum Herstellen eines Presswerkzeugs und Verfahren zum Herstellen eines Werkstücks
PCT/EP2020/025398 WO2021043445A1 (fr) 2019-09-06 2020-09-02 Moule de pressage, pièce, procédé de fabrication d'un moule de pressage et procédé de fabrication d'une pièce

Publications (1)

Publication Number Publication Date
EP4025436A1 true EP4025436A1 (fr) 2022-07-13

Family

ID=72473491

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20771436.1A Pending EP4025436A1 (fr) 2019-09-06 2020-09-02 Moule de pressage, pièce, procédé de fabrication d'un moule de pressage et procédé de fabrication d'une pièce

Country Status (4)

Country Link
US (1) US20220347957A1 (fr)
EP (1) EP4025436A1 (fr)
DE (1) DE102019124004A1 (fr)
WO (1) WO2021043445A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021131839B4 (de) 2021-12-02 2023-11-23 Hueck Rheinische Gmbh Verfahren zum Herstellen eines Presswerkzeugs mit tiefer Strukturierung
DE102022116423B4 (de) 2022-06-30 2024-05-16 Hueck Rheinische Gmbh Presswerkzeug und Verfahren zur Herstellung eines Presswerkzeugs

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4110152A (en) * 1975-06-20 1978-08-29 Avery International Corporation Embossing roller and method
DE3120351C1 (de) * 1981-05-22 1982-12-09 Standex International Gmbh, 4150 Krefeld Verfahren zur Herstellung einer Prägegravur auf einem der Oberflächenformung von Preßlaminaten dienenden Prägewerkzeug
DE102004016614A1 (de) * 2004-04-03 2005-10-20 Werthmann Engraving Gmbh Verfahren zum Herstellen von flächen- und tiefenvariablen Prägewerkzeugen
BE1016347A3 (nl) * 2004-12-16 2006-08-01 Flooring Ind Ltd Vloerpaneel.
JP4712051B2 (ja) * 2005-03-04 2011-06-29 ビーエーエスエフ ソシエタス・ヨーロピア 金型
DE102007055053A1 (de) 2007-11-16 2009-05-20 Hueck Engraving Gmbh & Co. Kg Verfahren zur Bearbeitung einer strukturierten Oberfläche
BE1018156A3 (nl) * 2008-05-20 2010-06-01 Flooring Ind Ltd Sarl Werkwijze voor het vervaardigen van beklede panelen en bekleed paneel.
SI2289708T1 (sl) 2009-08-26 2012-04-30 Indaffil Holding Ag Postopek za izdelavo povrĺˇinske strukture kovinske potisne ploĺˇäśe, brezkonäśnega traku ali reliefnega valja
DE102012107827A1 (de) * 2012-08-24 2014-02-27 Sandvik Surface Solutions Division Of Sandvik Materials Technology Deutschland Gmbh Verfahren zur Erzeugung von Glanzeffekten auf Presswerkzeugen
DE102015009786A1 (de) * 2015-07-27 2017-02-02 Giesecke & Devrient Gmbh Prägewerkzeug zur Herstellung eines Sicherheitselements mit einer optisch variablen Struktur
EP3527359A1 (fr) * 2018-02-14 2019-08-21 AKK GmbH Procédé et dispositif de structuration d'une surface pour un outil de gaufrage

Also Published As

Publication number Publication date
US20220347957A1 (en) 2022-11-03
WO2021043445A1 (fr) 2021-03-11
DE102019124004A1 (de) 2021-03-11

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