WO2009130159A1 - Produit en matière plastique à structure superficielle grainée, outil pour la production d'un tel produit et unité de fermeture pour le positionnement d'un tel outil - Google Patents

Produit en matière plastique à structure superficielle grainée, outil pour la production d'un tel produit et unité de fermeture pour le positionnement d'un tel outil Download PDF

Info

Publication number
WO2009130159A1
WO2009130159A1 PCT/EP2009/054528 EP2009054528W WO2009130159A1 WO 2009130159 A1 WO2009130159 A1 WO 2009130159A1 EP 2009054528 W EP2009054528 W EP 2009054528W WO 2009130159 A1 WO2009130159 A1 WO 2009130159A1
Authority
WO
WIPO (PCT)
Prior art keywords
mold
tool
grain
plastic product
producing
Prior art date
Application number
PCT/EP2009/054528
Other languages
German (de)
English (en)
Inventor
Erwin BÜRKLE
Otto Urbanek
Martin Eichlseder
Original Assignee
Kraussmaffei Technologies 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 Kraussmaffei Technologies Gmbh filed Critical Kraussmaffei Technologies Gmbh
Publication of WO2009130159A1 publication Critical patent/WO2009130159A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/37—Mould cavity walls, i.e. the inner surface forming the mould cavity, e.g. linings
    • B29C45/372—Mould cavity walls, i.e. the inner surface forming the mould cavity, e.g. linings provided with means for marking or patterning, e.g. numbering articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1679—Making multilayered or multicoloured articles applying surface layers onto injection-moulded substrates inside the mould cavity, e.g. in-mould coating [IMC]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
    • B29L2031/3005—Body finishings

Definitions

  • the present invention relates to a plastic product with grained surface structure, a tool for producing such and a closing unit for receiving such a tool.
  • the object of the present invention is to produce a plastic product with such a grained surface structure, which feels comfortable to specify a tool for producing such a surface structure and to show a closing unit with such a tool for producing such a surface product.
  • the stated object is solved by the features in claims 1, 5 and 8.
  • the invention is based on the idea of superimposing a microstructure or nanostructure on the macroscopic grain. It has been found in the invention to be surprising that by applying a superimposed micro- or nanostructure on the - known per se - scores achieved a better feel and the ever-increasing demands can be met. Microstructures move in the range of more than 50 ⁇ m, nanostructures in the range of less than 10 ⁇ m. Thus, a grain can have a grain depth in the range of 0.5 mm to 0.05 mm.
  • the surface material consists in particular of a plastic material, for example a thermoplastic or thermosetting plastic material, preferably a polyurethane material.
  • the surface layer may be applied to a carrier, which may consist in particular of an injection-molded part.
  • a molding tool with at least two mold halves which are movable relative to one another.
  • at least one cavity wall as a structure has the negative form of graining, which is superimposed on the negative of a microstructure or nanostructure.
  • these two mold halves can be designed as injection molding tool.
  • the structures can be applied directly to the cavity surface.
  • the macroscopic structures, for example, by etching, the nanostructures superimposed by a specific PVD process (physical-vapor deposition physical vapor deposition).
  • a particularly preferred embodiment is given by the fact that serves as Kavticiansober Design a Galvano Horn, in which the surface structure is introduced.
  • the galvano layer can either be firmly connected to the tool. Alternatively, it can also be designed as an insert that can be replaced.
  • the second alternative makes it possible to produce different ones by exchanging the galvano layer serving as matrix Surface structures.
  • a Galvanoform is already known per se, for example, in the production of slush skins, it being a feature of Galvanoform that it is dynamically tempered, so that it can be heated and cooled very quickly and consists of a material that has a good thermal conductivity, but from which also the plastic product can be easily solved.
  • the invention is characterized by a closing unit with at least two platens, on which molds are arranged as described above.
  • the present invention makes it possible to meet the ever increasing demands in the area of surface structures, in particular of inte- grating and interior design elements.
  • FIG. 1 shows a schematic embodiment of an apparatus for producing a plastic product with a surface design according to the invention
  • Fig. 2 is a partial sectional view of a tool with a Galvanotik and
  • Fig. 3 is a grain of a plastic surface with a superimposed
  • a concrete embodiment for producing a plastic product according to the invention is shown in a very schematic manner, as it can be found in the interior of a motor vehicle use.
  • a closing unit 10 with a movable platens 14, a movable and rotatable central intermediate and insert unit 16 and a fixed platen 12 is shown schematically.
  • the insert unit is, as indicated in Fig. 1 with the upper pivot arrow rotatable about the vertical axis, so that the arranged on the side surfaces of the intermediate and insert 16 mold halves can be assigned to the opposing mold halves of the platens 12 and 14 alternately.
  • the respective mold halves form a first mold 18 between the intermediate and insert plate 16 and the platen 14 and a second mold 20 between the intermediate and insert plate 16 and the platen 12.
  • the mold halves of the molds 18 and 20 at the intermediate - And insert 16 are fixed, identical.
  • Fig. 1 the just described clamping unit 10 is shown without further components such as spars, machine bed or drives in the open state, both molds 18 and 20 are opened.
  • the closing unit and thus also the molds can close in a manner known per se, so that in each case two cavities are formed in the forming tools 18 and 20.
  • a plasticizing and injection unit 22 can be docked on the clamping plate 14 of the closing unit 10. With the plasticizing and injection unit 22, an added plastic granules can be melted and plasticized and then injected into the cavity of the mold 18, wherein it is shaped according to the shape of the cavity.
  • the clamping unit 10 After injecting a thermoplastic material into the cavity of the mold 18, the clamping unit 10 is opened and the intermediate and insert plate 16 is rotated by 180 °, so that now attached to the intermediate and insert 16 mold together with the remaining half in 180 ° ° is converted and now comes to rest against the platen 12. After a further closing of the closing unit 10 is now formed on the one hand in the mold 18 again a empty cavity, on the other hand, an enlarged cavity is formed by appropriate execution of the mold half on the platen 12 during closing, so that a gap remains between the mold half of the platen 12 and the product received in the cavity.
  • a polyurethane material can now be injected by means of the mixing head 26, which can be docked to the clamping plate 12 or an inlet opening embodied therein.
  • the polyurethane material is conveyed by means of pumps 32 and 34 from containers 28 and 30, in which isocyanate and polyol, into the mixer head, mixed and introduced from there into the space (gap) between the cavity surface and the product as a surface layer.
  • the mold half attached to the platen 12 is formed from its surface, as can be seen schematically in Fig. 2.
  • the mold consists for the most part of tool steel 50.
  • the surface is designed as a galvanic layer.
  • the galvano layer In the galvano layer, the negative of a graining and superimposed the negative of a micro and nanostructure is provided.
  • the galvano layer consists for example of a nickel-copper alloy, which is highly thermally conductive.
  • measures are provided, for example tempering, which are not shown here, with which the galvano layer can be heated quickly and also cooled again.
  • electrically heatable tempering such as electrically heatable ceramics, are possible.
  • the cavity surface can be heated and / or cooled rapidly and highly dynamically to a required temperature, so that not only the grain, but also the microstructure impressed in the cavity surface can be easily imaged. Moreover, the introduced polyurethane material reacts very quickly at a higher temperature, so that the cycle time can be shortened.
  • the closing unit 10 can be opened again and removed from the mold 20 so finished product.
  • An example of such a product is shown in Figs. 3 and 4, wherein in the right part of Figure 4, a grain 60 is indicated, which has been superimposed on a non-visible microstructure. With this grain, a particularly good tactile feeling can be achieved.
  • the surface of the grain 60 is surrounded by an envelope 64.
  • the nanostructure is represented by the reference numeral 62 and moves in size in the range below 10 ⁇ m (in one spatial direction).
  • the nanostructure is at least one order of magnitude smaller (ten-power). As a rule, however, the difference is considerably greater, for example the grain depth in the range of 0.5 mm, the nanostructure in the range of 1 ⁇ m, which corresponds to a ratio of 500: 1.
  • the intermediate and turning plate 16 is again rotated by 180 ° and performed an analogous step.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

L'invention concerne un produit en matière plastique présentant une surface sur laquelle est appliqué un grainage en tant que structure. Conformément à l'invention, une micro- ou nano-structure est superposée au grainage. On utilise un outil de moulage présentant au moins deux moitiés de moule qui sont mobiles l'une par rapport à l'autre. Au moins une paroi de la cavité d'un outil de moulage présente, comme structure, la forme négative d'un grainage auquel est superposée une micro- ou une nano-structure. L'invention est caractérisée en ce que l'outil de moulage est positionné dans une unité de fermeture qui est configurée comme support, pour la production d'une pièce moulée par injection.
PCT/EP2009/054528 2008-04-25 2009-04-16 Produit en matière plastique à structure superficielle grainée, outil pour la production d'un tel produit et unité de fermeture pour le positionnement d'un tel outil WO2009130159A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200810020727 DE102008020727A1 (de) 2008-04-25 2008-04-25 Kunststoffprodukt mit genarbter Oberflächenstruktur, Werkzeug zur Herstellung einer solchen und Schließeinheit zur Aufnahme eines solchen Werkzeugs
DE102008020727.6 2008-04-25

Publications (1)

Publication Number Publication Date
WO2009130159A1 true WO2009130159A1 (fr) 2009-10-29

Family

ID=40821683

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2009/054528 WO2009130159A1 (fr) 2008-04-25 2009-04-16 Produit en matière plastique à structure superficielle grainée, outil pour la production d'un tel produit et unité de fermeture pour le positionnement d'un tel outil

Country Status (2)

Country Link
DE (1) DE102008020727A1 (fr)
WO (1) WO2009130159A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009051598B4 (de) 2009-11-02 2022-10-06 Vereinigung zur Förderung des Instituts für Kunststoffverarbeitung in Industrie und Handwerk an der Rhein.-Westf. Technischen Hochschule Aachen e.V. Verfahren zur Herstellung von Vorrichtungen mit Mikrostrukturen aus Kunststoff mittels Verstreckung zum Zwecke der Selbstreinigung, derartige Vorrichtungen und deren Verwendung
FR2989302B1 (fr) * 2012-04-16 2014-05-23 Faurecia Interieur Ind Procede de realisation d'un element de garnissage comprenant une etape de chauffage de la cavite d'injection
DE102013203611A1 (de) 2013-03-04 2014-09-04 Frimo Group Gmbh Verfahren zur Herstellung eines Faserverbundbauteils mit speziellen Compositeoberflächen
EP2899008B1 (fr) * 2014-01-27 2016-08-31 Covestro Deutschland AG Procédé de moulage par injection pour la fabrication d'un élément composite avec structuration de surface dans la zone de contact des couches afin d'améliorer l'adhérence
DE102015006568B3 (de) * 2015-05-21 2016-08-18 Audi Ag Verfahren zum Herstellen eines Kunststoffelements für ein Oberflächenelement, Kraftfahrzeugkunststoffelement und Bedienelement

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5537789A (en) * 1994-07-14 1996-07-23 Therma-Tru Corp. Compression molded door assembly
JPH11192637A (ja) * 1997-12-26 1999-07-21 Toyoda Gosei Co Ltd 樹脂成形品及びその成形方法
US20030173492A1 (en) * 2002-03-12 2003-09-18 Shigeru Kajiyama Resin molded product and mold for molding a resin
JP2006068972A (ja) * 2004-08-31 2006-03-16 World Etching:Kk 樹脂成形用金型及びその低グロス化方法並びに樹脂成形品
DE102005063237A1 (de) * 2004-12-20 2006-06-29 Visteon Global Technologies, Inc., Van Buren Township Bespannkomponente und Verfahren zur Herstellung derselben
JP2006224347A (ja) * 2005-02-15 2006-08-31 Matsushita Electric Works Ltd 水廻り部材の成形金型の製造方法及び水廻り部材
JP2006272564A (ja) * 2005-03-28 2006-10-12 Sumitomo Bakelite Co Ltd マイクロチャネル基板作製用鋳型の作製方法
DE102005039124A1 (de) * 2005-08-15 2007-02-22 Faurecia Innenraum Systeme Gmbh Verfahren zur Herstellung eines zweischichtigen Verbundteils
JP2007050645A (ja) * 2005-08-19 2007-03-01 Toyoda Gosei Co Ltd 立体加飾品の製造方法
WO2007033968A2 (fr) * 2005-09-21 2007-03-29 Basf Aktiengesellschaft Procede de fabrication de matrices pour la fabrication d'elements de decoration
JP2007160637A (ja) * 2005-12-12 2007-06-28 Tanazawa Hakkosha:Kk 樹脂成形品

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5537789A (en) * 1994-07-14 1996-07-23 Therma-Tru Corp. Compression molded door assembly
JPH11192637A (ja) * 1997-12-26 1999-07-21 Toyoda Gosei Co Ltd 樹脂成形品及びその成形方法
US20030173492A1 (en) * 2002-03-12 2003-09-18 Shigeru Kajiyama Resin molded product and mold for molding a resin
JP2006068972A (ja) * 2004-08-31 2006-03-16 World Etching:Kk 樹脂成形用金型及びその低グロス化方法並びに樹脂成形品
DE102005063237A1 (de) * 2004-12-20 2006-06-29 Visteon Global Technologies, Inc., Van Buren Township Bespannkomponente und Verfahren zur Herstellung derselben
JP2006224347A (ja) * 2005-02-15 2006-08-31 Matsushita Electric Works Ltd 水廻り部材の成形金型の製造方法及び水廻り部材
JP2006272564A (ja) * 2005-03-28 2006-10-12 Sumitomo Bakelite Co Ltd マイクロチャネル基板作製用鋳型の作製方法
DE102005039124A1 (de) * 2005-08-15 2007-02-22 Faurecia Innenraum Systeme Gmbh Verfahren zur Herstellung eines zweischichtigen Verbundteils
JP2007050645A (ja) * 2005-08-19 2007-03-01 Toyoda Gosei Co Ltd 立体加飾品の製造方法
WO2007033968A2 (fr) * 2005-09-21 2007-03-29 Basf Aktiengesellschaft Procede de fabrication de matrices pour la fabrication d'elements de decoration
JP2007160637A (ja) * 2005-12-12 2007-06-28 Tanazawa Hakkosha:Kk 樹脂成形品

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"HOCHWERTIGE PREMIUM-OBERFLAECHE AUS SPRITZGIESS- UND REAKTIONSTECHNIK", KUNSTSTOFFE, CARL HANSER VERLAG, MUNCHEN, DE, vol. 10, 1 January 2004 (2004-01-01), pages 180 - 182,184,1, XP001205066, ISSN: 0023-5563 *

Also Published As

Publication number Publication date
DE102008020727A1 (de) 2009-10-29

Similar Documents

Publication Publication Date Title
EP2012992B1 (fr) Procédé pour réaliser une pièce composite
EP1841579B1 (fr) Procede de moulage et de revetement d'un substrat
DE102012110419B4 (de) Vorrichtung und Verfahren zum Herstellen eines Crash-Pads
EP1621313B1 (fr) Procédé pour produire une touche de commande avec un symbole exposé
EP2504144B1 (fr) Procédé et disposotife pour la fabrictaion de pieces décoratives moulées
WO1998023431A1 (fr) Procede et dispositif de production d'un element en matiere plastique multicouche
DE10253725B3 (de) Verfahren zur Herstellung eines mit einer genarbten oder strukturierten Formhaut fest verbundenen Formkörpers sowie Vorrichtung zur Durchführung eines solchen Verfahrens
EP3722062A1 (fr) Ensemble poignée de porte intérieure d'un véhicule et procédé de fabrication d'un ensemble poignée de porte intérieure
EP1810811B1 (fr) Procédé et dispositif destinés à la fabrication d'un élément de formage à partir d'au moins deux matières plastiques différentes
EP2406052B1 (fr) Procédé et dispositif de fabrication de pièces moussées exemptes de carotte
DE60001447T2 (de) Verfahren und Vorrichtung zum Heissformen von Gegenständen aus thermoplastischem Material
WO2009130159A1 (fr) Produit en matière plastique à structure superficielle grainée, outil pour la production d'un tel produit et unité de fermeture pour le positionnement d'un tel outil
DE102014220617A1 (de) Verfahren zur Weiterverarbeitung eines vorgefertigten Produktes sowie zugehöriges vorgefertigtes Produkt
AT503682A2 (de) Verfahren und vorrichtung zur herstellung von beschichteten kunststoffformteilen
DE102014011135B4 (de) Verfahren und Vorrichtung zur Herstellung eines Dekorteils
DE102005024776B4 (de) Verfahren zum Herstellen eines Kunststoffverbundteils
EP3178624A1 (fr) Dispositif et procédé destiné à la fabrication de pièces composites
EP0074473B1 (fr) Procédé et dispositif pour la fabrication de pièces de forme ou des objets en matière plastique
DE102008037131B4 (de) Vorrichtung zum Herstellen eines formstabilen, sichtbaren Verkleidungsteils für ein Kraftfahrzeug sowie form- und narbgebende Schale zum lösbaren Verbinden mit einer Werkzeughälfte einer Spritzgießmaschine
WO2002092331A1 (fr) Procede et dispositif pour produire une piece en matiere plastique renforcee par des fibres
DE102007061241A1 (de) Verfahren zum Herstellen von Formteilen
WO2003097323A1 (fr) Dispositif de fabrication d'un corps moule, profile, coude, decore au moyen d'une feuille estampee
DE112015006020T5 (de) Formwerkzeuge und Verfahren zum Formpressen einer Kunststoffplatte
EP2483049B1 (fr) Moule pour décoration dans le moule (imd), dispositif de moulage par injection comportant un moule imd de ce type et procédé de fabrication d'une pièce en plastique dotée d'une décoration sur film
DE69411917T2 (de) Vorrichtung zum herstellen von einem thermoplastischen artikel mit einem hinterschnittenen querschnitt

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 09735964

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 09735964

Country of ref document: EP

Kind code of ref document: A1