EP2540487A1 - Tôle de presse ou bande sans fin avec structure en sandwich - Google Patents

Tôle de presse ou bande sans fin avec structure en sandwich Download PDF

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Publication number
EP2540487A1
EP2540487A1 EP20110005298 EP11005298A EP2540487A1 EP 2540487 A1 EP2540487 A1 EP 2540487A1 EP 20110005298 EP20110005298 EP 20110005298 EP 11005298 A EP11005298 A EP 11005298A EP 2540487 A1 EP2540487 A1 EP 2540487A1
Authority
EP
European Patent Office
Prior art keywords
adhesive
embossing
endless belt
press plate
carrier
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP20110005298
Other languages
German (de)
English (en)
Other versions
EP2540487B1 (fr
Inventor
Rolf Espe
Oliver Espe
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
Priority to EP11005298.2A priority Critical patent/EP2540487B1/fr
Application filed by Hueck Rheinische GmbH filed Critical Hueck Rheinische GmbH
Priority to PL11005298T priority patent/PL2540487T3/pl
Priority to ES11005298.2T priority patent/ES2550955T3/es
Priority to CN201280031087.8A priority patent/CN103619576B/zh
Priority to JP2014516230A priority patent/JP6102920B2/ja
Priority to BR112013030196A priority patent/BR112013030196A2/pt
Priority to NZ617619A priority patent/NZ617619B2/en
Priority to KR1020167015295A priority patent/KR101742969B1/ko
Priority to PCT/EP2012/002684 priority patent/WO2013000563A1/fr
Priority to US14/114,535 priority patent/US9610748B2/en
Priority to KR1020137034695A priority patent/KR20140012762A/ko
Priority to AU2012278277A priority patent/AU2012278277B2/en
Priority to CA2840544A priority patent/CA2840544C/fr
Priority to RU2013155916A priority patent/RU2626707C2/ru
Publication of EP2540487A1 publication Critical patent/EP2540487A1/fr
Priority to CL2013003726A priority patent/CL2013003726A1/es
Application granted granted Critical
Publication of EP2540487B1 publication Critical patent/EP2540487B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B30B15/02—Dies; Inserts therefor; Mounting thereof; Moulds
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B9/00—Presses specially adapted for particular purposes
    • B30B9/28—Presses specially adapted for particular purposes for forming shaped articles
    • 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

Definitions

  • the invention relates to a press plate or endless belt for embossing materials, in particular wood materials or plastic materials, by means of a surface structuring and a method for producing the press plates or endless belts according to the invention.
  • Press plates or endless belts are required to press wood-based panels with decorative and / or overlay papers.
  • the finished press plates or endless belts are used in the presses to impart a desired surface structure to the wood materials to be produced.
  • a congruent embossing is preferred.
  • a decor paper used is used with a conformable press plate or an endless belt, so that the structure of the decorative paper can be embossed into relief in the surface.
  • the structures used in this case may be of natural origin, for example the imitation of a wood pore structure or rock surface, it is also possible to produce any desired structures according to customer requirements.
  • the decorative and overlay papers used are preferably made of thermoset resins, which pass through pressure and temperature in the press line in a liquid form and enter into a solid connection with the wood material with increasing degree of crosslinking, with simultaneous increase in resin viscosity in the final state.
  • the thermoset resins used include melanin, phenolic or melamine / methylated resins, which have been found to be particularly suitable. During the pressing process will under pressure and temperature, the melamine resin liquid and there is a further polycondensation instead. Press time and temperature determine the degree of crosslinking of the melamine resins and their surface quality.
  • the melamine resin After the pressing time, the melamine resin has the desired degree of crosslinking and has gone into a solid phase, which is achieved by the simultaneously textured embossing of the melamine resin surface a lifelike, the surface of the embossing tool reproducing surface design.
  • embossing tools are produced in the form of press plates or endless belts made of steel sheets, which receive the required surface structure by appropriate processing.
  • various methods are known, for example, by applying a screen printing process to provide an etch resist to make a subsequent etching of the press plate.
  • the sheets used in this case have a very large format, so that it depends on a very precise processing and in particular a cover-compliant further processing, as far as several steps are necessary.
  • Several work steps always occur when particularly deep structures have to be etched and for this purpose several etching operations with a previously applied etching resist are required.
  • these further process steps can be subjected to achieve special effects, for example, to influence the gloss level.
  • the degree of gloss can be made from dull, semi-glossy or glossy, so that after the pressing process the wood-based panels have a desired surface structure have a glossy effect that comes very close to that of natural grown natural wood.
  • wood pore structures are produced by these methods, but equally imaginative surface designs can be made or a leather imitation, tiles or natural stone surfaces can be reproduced. Any conceivable structure can be produced by this method.
  • the overlay papers with abrasion-resistant particles such as corundum
  • the overlay papers with abrasion-resistant particles such as corundum
  • this abrasion resistance leads to negative effects on the used press plates or endless belts. After each pressing operation and opening of the presses, a relative movement takes place between the processed wood material with the pressed surfaces and the press plate or endless belt, so that a gradual deterioration of the surface structure occurs. In such a case, it is necessary to completely rework the press plate or to replace it with a new press plate.
  • the press plates In the coating, for example of HDF (high-density fiberboard) plates, the press plates must be refurbished after a relatively short period of use. The reason is the high proportion of corundum which is used in the melamine resin films for abrasion resistance, whereby the chrome-plated surfaces are abraded relatively quickly.
  • the production of a press plate is very complex and costly, with a scrapping is provided at the end of the term. Among other things, this is due to the fact that the blanks of the press plates or endless belts are first provided with a direction-free intermediate sanding and additionally polished before the surface structuring, before a new structuring can take place, so that gradually after several reworking the thickness of the press plates or endless belts no longer required level reached.
  • the invention has for its object to propose a novel press plate or endless belt for a single or multi-day presses, which allows compared to conventional press plates or endless belts inexpensive production and longer periods of use of the carrier plates.
  • the object is achieved by providing a carrier body which is connected to an embossing body with a surface structuring via an adhesive. Further advantageous embodiments of the invention will become apparent from the dependent claims.
  • the invention proposes to use a carrier body which is connected to an embossing body via an adhesive, wherein only the embossing body has a surface structuring.
  • the embossing body can be produced inexpensively regardless of the carrier body and are connected by the adhesive to the carrier body insofar that a proper use for single or multi-day presses can be done.
  • the embossing body of the Remove carrier body again and replace it with a new embossing body.
  • the carrier body consisting of, for example, stainless steel, for example AISI No. 630, AISI 410 or AISI 304 or brass according to the prior art, is first prepared.
  • the embossing body is produced independently of the carrier body, that is provided with a surface structure, then the support body and the embossing body with the aid of an adhesive are intimately and reversibly connected, so that a sandwich structure is created.
  • This sandwich structure has the particular advantage that in later work-up the expensive carrier body is retained and only the upper embossing body has to be renewed. By this measure, production and raw material costs are saved to a considerable extent. Furthermore, the embossing body, which is usually much thinner and cheaper than the carrier body, already prefabricated and placed in storage for each customer. This saves time and significantly shortens delivery times.
  • an adhesive for example, an adhesive, in particular a high temperature adhesive in question, which is placed or applied in the form of an adhesive film or in spreadable form on the carrier body and / or embossing body.
  • the adhesive is doped with a metal powder, for example, copper, brass, aluminum or Iron.
  • the adhesives used in this case can be used up to temperatures of 250 ° Celsius, so that premature detachment of the embossing, for example, at the temperatures occurring for the production of the material plates of about 220 ° does not occur.
  • the adhesives can be tempered above temperatures of 250 °, so that the embossing body can be detached from the carrier body without further ado.
  • the adhesive consists of magnetic materials or of adhesives doped with magnetic materials.
  • Such adhesives are always suitable when the carrier body and the embossing body are both made of steel and thus have magnetic properties.
  • a high-temperature resistant magnetic film can be used, which ensures the intimate connection between the two bodies as an adhesive.
  • a magnetic sheet for example, a crosslinked silicone elastomer is used, with the addition of high temperature resistant magnetic materials, for example SamarinlKobald, aluminum / nickel / cobalt, neodynium / iron / boron, barium or strontium ferrites or soft ferrites, such as manganese / zinc.
  • All of the aforementioned permanent magnet materials lose very little of their holding power, about 15 to 20% at the existing operating temperatures of about 220 °.
  • the proportion of additional magnetic materials depends on the respective desired adhesive force of the materials, less the loss of adhesion at the respective operating temperature and the total weight of the embossing body.
  • these boundary conditions can be taken into account without problems, so that even with the help of a magnetic film, a permanent, but reversible connection between the carrier body and the embossing body can be produced.
  • the magnetic film offers the possibility of separating both bodies from each other without residue, so that a rapid exchange of the embossing body can take place in the event of wear.
  • modified acrylate adhesives are suitable, for example PMMA adhesives poly (methacrylic methacrylate, PMI poly (methacrylimide), MBS poly (methacryl methacrylate) styrene butadiene, UP unsaturated polyester resins - DAP diallyl phtatlate, Aromatic polymides, silicone resins, epoxy resins, ACM acrylate rubber or FKM fluoro rubber adhesives Some of these adhesives are particularly suitable because they lose their adhesiveness with a solvent and thus also allow a clean separation of the carrier body and the embossing body.
  • the embossing body for example, etching technology or laser engraving, used, these preferably have only a small thickness and thus can be processed much less complicated.
  • One way to do this is to clamp a stamping body in the form of a metal foil or thin sheets on a steel cylinder forrapnpatented structuring, the diameter of the steel cylinder is adaptable to the maximum width of the press plates, so after completion of the embossing body and after removal of the Stahlzylindem this with the Carrier body can be connected.
  • metal foils or thin sheets or other materials such as steel or brass are used, they can be clamped onto the steel cylinder and then engraved accordingly, followed by the above steps until the completion of the surface structuring.
  • the metal foils or thin sheets produced in this way are then cut to the size of the carrier body and connected to it, so that the press plate or endless belt is available for further use.
  • a ballard skin of about 100 microns on a copper base layer, wherein between the base layer and the ballard skin, a release layer can be arranged so that a later lifting of the ballard skin is possible.
  • gravure refers to a peelable layer of copper on a gravure cylinder.
  • the gravure cylinder made of steel covers a 2 mm thick base copper layer on which a second copper layer, the so-called ballard skin, is galvanized. Between the 100 ⁇ m thin ballard skin and the main body lies the separation layer, so that the ballard skin can be easily removed after engraving and replaced with a new one.
  • a metal is preferably used, for example stainless steel, AISI No. 630, AISI 410 or AISI 304 or alternatively a brass sheet.
  • the embossing body may consist of copper, brass or stainless steel, wherein the thickness is freely selectable depending on the required structure depth, preferably 0.3 to 3.0 mm, particularly preferably 0.3 to 1.5 mm.
  • the main advantages of the newly designed press plates or endless belts consists in a later separation of carrier body and embossing body, the embossing body is exposed to significantly higher wear, as the carrier body, the carrier body can therefore be used several times and is repeatedly reconnected with an embossing body, preferably using pressure-sensitive adhesive are used, which allow an intimate connection.
  • a connection can be made with the aid of magnetic materials, in particular a magnetic adhesive film, in order to achieve the desired advantage.
  • the method shown is characterized by a special economy and also allows multiple Wlederverassemble the carrier body, which is exposed to almost no wear.
  • the embossing bodies used in the form of a thin metal foil or a thin sheet can be reversibly removed from the support body, so that a workup of the support body is required only to a small extent.
  • considerable processing time is saved and also a considerable savings potential is achieved through the use of thin sheets or metal foils with a surface structuring, in particular due to the fact that the materials to be processed, wood materials with overlay and decorative papers cause wear of the embossing body.
  • an adhesive compound or a magnetic compound can be used.
  • a further advantage of the press plates or endless belts according to the invention is that less high-quality metals are used for the carrier body and thus the production costs can be significantly reduced. So far, it has been necessary to use high-quality stainless steels, which make it possible to carry out the necessary surface structuring. However, there is no need to be taken into account, since the surface structuring takes place only on the surface of the embossing body.
  • FIG. 1 shows a perspective view of an inventive press plate 1, which is flat in the embodiment shown. In the case of an endless belt, however, this embossing tool can also be curved.
  • the press plate 1 shows a grain 2, which is modeled, for example, the shape of a wood pore structure. However, it is conceivable that other grains or other surface textures in this way by the inventive method and the necessary etching or laser process is made.
  • FIG. 2 shows in an enlarged side view a part of the front edge region of the press plate 1 and the surface structure located thereon.
  • the press plate 1 consists of a carrier body 10, an embossing body 11 and an adhesive 12.
  • the adhesive 12 allows, as far as it consists of an adhesive or a magnetic material, in particular a magnetic film, a detachment of the embossing body 11 from the carrier body 10.
  • the carrier body 10th thus, it can be reused while, on the other hand, a worn embossing body 11 is replaced.
  • the existing on the embossing body 11 surface structuring 13 is prepared for example by means of known etching technologies or a laser engraving, wherein a layer thickness of the embossing body of 0.3 to 3 mm, preferably 0.3 to 1.5 mm is used.
  • a layer thickness of the embossing body of 0.3 to 3 mm, preferably 0.3 to 1.5 mm is used.
  • a particular advantage of this invention Pressbleche.oder endless belts is that for the carrier body 10 less high-quality metals must be used and thus the production cost can be significantly reduced. So far, it has been necessary to use high-grade stainless steels, which make it possible to carry out the necessary surface structuring. However, there is no need to be taken into account, since the surface structuring takes place only on the surface of the embossing body.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Printing Plates And Materials Therefor (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Laminated Bodies (AREA)
  • Adhesives Or Adhesive Processes (AREA)
EP11005298.2A 2011-06-29 2011-06-29 Tôle de presse ou bande sans fin avec structure en sandwich, Procédé de fabrication de telle tôle de presse ou bande sans fin et Procédé de fabrication de pièces étampées par de telle tôle de presse ou bande sans fin Active EP2540487B1 (fr)

Priority Applications (15)

Application Number Priority Date Filing Date Title
PL11005298T PL2540487T3 (pl) 2011-06-29 2011-06-29 Blacha do wytłaczania albo taśma bez końca mające strukturę obudowie warstwowej, sposób wytwarzania takiej blachy i taśmy bez końca oraz sposób wytwarzania wytłaczanych materiałów przy użyciu tego rodzaju blachy lub taśmy ciągłej
ES11005298.2T ES2550955T3 (es) 2011-06-29 2011-06-29 Chapa de presión o prensado o cinta sin fin con una estructura tipo sandwich, procedimiento para fabricar dicha chapa o cinta sin fin y metodo para fabricar materiales estampados en relieve usando dicha chapa de presión o cinta continua
EP11005298.2A EP2540487B1 (fr) 2011-06-29 2011-06-29 Tôle de presse ou bande sans fin avec structure en sandwich, Procédé de fabrication de telle tôle de presse ou bande sans fin et Procédé de fabrication de pièces étampées par de telle tôle de presse ou bande sans fin
CA2840544A CA2840544C (fr) 2011-06-29 2012-06-26 Plaque de pressage ou bande continue presentant une structure de type sandwich
BR112013030196A BR112013030196A2 (pt) 2011-06-29 2012-06-26 mesa de impressão ou correia sem fim para estampagem de materiais, processo para fabricar a mesa de impressão ou correia sem fim para estampar materiais, e placa de material
NZ617619A NZ617619B2 (en) 2011-06-29 2012-06-26 Press platen or endless belt having a sandwich-type structure
KR1020167015295A KR101742969B1 (ko) 2011-06-29 2012-06-26 샌드위치형 구조를 갖는 프레스 압판 또는 순환 벨트
PCT/EP2012/002684 WO2013000563A1 (fr) 2011-06-29 2012-06-26 Plaque de pressage ou bande continue présentant une structure de type sandwich
CN201280031087.8A CN103619576B (zh) 2011-06-29 2012-06-26 具有夹层结构的冲压板或循环带
KR1020137034695A KR20140012762A (ko) 2011-06-29 2012-06-26 샌드위치형 구조를 갖는 프레스 압판 또는 순환 벨트
AU2012278277A AU2012278277B2 (en) 2011-06-29 2012-06-26 Press platen or endless belt having a sandwich-type structure
JP2014516230A JP6102920B2 (ja) 2011-06-29 2012-06-26 サンドイッチ構造を備えたプレスシート又はエンドレスベルト、プレスシート又はエンドレスベルトの製造方法、およびプレスシート又はエンドレスベルトを使用して製造される材料パネル
RU2013155916A RU2626707C2 (ru) 2011-06-29 2012-06-26 Прокладка пресса или бесконечная лента многослойной конструкции
US14/114,535 US9610748B2 (en) 2011-06-29 2012-06-26 Press platen or endless belt having a sandwich-type structure
CL2013003726A CL2013003726A1 (es) 2011-06-29 2013-12-26 Placa prensadora o correa sin fin para materiales de estampado en particular materiales de madera o materiales plasticos porque se proporciona un cuerpo portador que esta unido a un cuerpo de estampado a traves de un agente adhesivo magneticamente activo y/o metalico; proceso para la placa prensadora o correa sin fin.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11005298.2A EP2540487B1 (fr) 2011-06-29 2011-06-29 Tôle de presse ou bande sans fin avec structure en sandwich, Procédé de fabrication de telle tôle de presse ou bande sans fin et Procédé de fabrication de pièces étampées par de telle tôle de presse ou bande sans fin

Publications (2)

Publication Number Publication Date
EP2540487A1 true EP2540487A1 (fr) 2013-01-02
EP2540487B1 EP2540487B1 (fr) 2015-08-26

Family

ID=46651443

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11005298.2A Active EP2540487B1 (fr) 2011-06-29 2011-06-29 Tôle de presse ou bande sans fin avec structure en sandwich, Procédé de fabrication de telle tôle de presse ou bande sans fin et Procédé de fabrication de pièces étampées par de telle tôle de presse ou bande sans fin

Country Status (13)

Country Link
US (1) US9610748B2 (fr)
EP (1) EP2540487B1 (fr)
JP (1) JP6102920B2 (fr)
KR (2) KR20140012762A (fr)
CN (1) CN103619576B (fr)
AU (1) AU2012278277B2 (fr)
BR (1) BR112013030196A2 (fr)
CA (1) CA2840544C (fr)
CL (1) CL2013003726A1 (fr)
ES (1) ES2550955T3 (fr)
PL (1) PL2540487T3 (fr)
RU (1) RU2626707C2 (fr)
WO (1) WO2013000563A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110682579A (zh) * 2019-11-10 2020-01-14 衡阳和富铜业有限公司 一种黄铜加工用废料存储设备
DE102022125370B3 (de) 2022-09-30 2024-01-11 Hueck Rheinische Gmbh Verfahren zur Herstellung eines Presswerkzeuges, Presswerkzeug und Verfahren zum Herstellen einer Werkstoffplatte mit einem Presswerkzeug

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3666514A1 (fr) * 2018-12-12 2020-06-17 Flooring Technologies Ltd. Tôle embouti permettant de produire des structures plus profondes

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WO2006136949A2 (fr) * 2005-06-06 2006-12-28 Flooring Industries Ltd Procede, dispositif et accessoires pour la fabrication de panneaux de plancher
DE102007062123A1 (de) * 2007-12-21 2009-06-25 Giesecke & Devrient Gmbh Werkzeugform zum Erzeugen einer Mikrostruktur
WO2011051116A1 (fr) * 2009-10-29 2011-05-05 Okt Germany Gmbh Procédé de production d'une tôle emboutie, procédé de production d'un dispositif de tôle emboutie, et dispositif de tôle emboutie correspondant
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110682579A (zh) * 2019-11-10 2020-01-14 衡阳和富铜业有限公司 一种黄铜加工用废料存储设备
DE102022125370B3 (de) 2022-09-30 2024-01-11 Hueck Rheinische Gmbh Verfahren zur Herstellung eines Presswerkzeuges, Presswerkzeug und Verfahren zum Herstellen einer Werkstoffplatte mit einem Presswerkzeug

Also Published As

Publication number Publication date
PL2540487T3 (pl) 2015-12-31
KR20160069524A (ko) 2016-06-16
CA2840544C (fr) 2019-02-12
RU2013155916A (ru) 2015-08-10
US20140099395A1 (en) 2014-04-10
CL2013003726A1 (es) 2014-12-19
JP2014522745A (ja) 2014-09-08
BR112013030196A2 (pt) 2016-12-06
US9610748B2 (en) 2017-04-04
JP6102920B2 (ja) 2017-03-29
CA2840544A1 (fr) 2013-01-03
ES2550955T3 (es) 2015-11-13
CN103619576B (zh) 2016-08-17
RU2626707C2 (ru) 2017-07-31
NZ617619A (en) 2016-01-29
WO2013000563A1 (fr) 2013-01-03
CN103619576A (zh) 2014-03-05
KR20140012762A (ko) 2014-02-03
EP2540487B1 (fr) 2015-08-26
KR101742969B1 (ko) 2017-06-02
AU2012278277B2 (en) 2016-03-03

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