EP1533110B1 - Dispositif de pressage à chaud ayant une plaque de pression et au moins une couche élastique - Google Patents

Dispositif de pressage à chaud ayant une plaque de pression et au moins une couche élastique Download PDF

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Publication number
EP1533110B1
EP1533110B1 EP04025006.0A EP04025006A EP1533110B1 EP 1533110 B1 EP1533110 B1 EP 1533110B1 EP 04025006 A EP04025006 A EP 04025006A EP 1533110 B1 EP1533110 B1 EP 1533110B1
Authority
EP
European Patent Office
Prior art keywords
pressing apparatus
pressure plate
lining
resilient
metal
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.)
Active
Application number
EP04025006.0A
Other languages
German (de)
English (en)
Other versions
EP1533110A3 (fr
EP1533110A2 (fr
Inventor
Wolfgang Bachmann
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.)
Heimbach GmbH and Co KG
Original Assignee
Heimbach GmbH and Co KG
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 Heimbach GmbH and Co KG filed Critical Heimbach GmbH and Co KG
Priority to PL04025006T priority Critical patent/PL1533110T3/pl
Publication of EP1533110A2 publication Critical patent/EP1533110A2/fr
Publication of EP1533110A3 publication Critical patent/EP1533110A3/fr
Application granted granted Critical
Publication of EP1533110B1 publication Critical patent/EP1533110B1/fr
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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
    • B30B15/06—Platens or press rams
    • B30B15/061—Cushion plates
    • 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
    • B30B15/064—Press plates with heating or cooling means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31652—Of asbestos
    • Y10T428/31663—As siloxane, silicone or silane

Definitions

  • the invention relates to a pressing device with a press plate for hot pressing of pressed material from the group laminates, wood materials, wood-plastic materials, chipboard, wood-paper, foil and Pappkombinationen for floors, walls and ceilings, wherein the pressing device at least one heatable press plate and wherein between the pressure plate and the press plate at least one elastic coating is arranged.
  • heated pressing devices which may be parts of a single or platen press, it is to achieve short cycle times and uniform pressing effects in order to ensure the highest possible and uniform heat transfer and extremely uniform distribution of high compressive forces over the entire pressed material. It must be remembered that it can be pressed material dimensions of 6 m x 9 m and above.
  • Negative examples of poor heat transfer are - but there wanted - multiple glazing of windows and evacuated thermos.
  • a press pad for hot plate presses in which a fabric of a random fiber nonwoven fabric is coated on both sides with silicone rubber.
  • a press pad is known from a fabric of intersecting filaments, the core of which is, for example, a silicone elastomer thread having a Shore A hardness of 60 to 75 wrapped by at least one metal wire.
  • the metal wires can be connected as electrical heating resistors. Air pockets between the tissue and the pressed material are thereby not excluded.
  • the pure metal sheets or metal plates are referred to in practice, which can be referred to as a support plates as a result, because they have a supporting function for applied coatings and coatings of one or more components in practice.
  • a press plate for hot pressing of pressed material wherein a corrosion-resistant and scratch-resistant glass coating is applied to the press plate for the production of highly smooth surfaces on the pressed material, which is also not elastic in itself. Again, the elasticity to compensate for inhomogeneities in the surface of the pressed material does not matter.
  • a plate press for the production of wood-based panels which comprises an upper press plate and a structural plate arranged thereunder, between which a press pad is arranged, and wherein the structural sheet is held by vacuum on an elastically deformable support plate.
  • the support plate is attached at the open plate press together with the structural sheet hanging on the upper press plate. Due to the sagging structural plate, a rapid closing of the plate press is to be made possible because the air cushion between the upper structural plate and the pressed material pressed out easily when closing the plate press from the slits formed as a result of slack becomes.
  • the advantages in closing and opening the plate press can be achieved even if the press pad is missing. But then air bubbles can not be avoided.
  • the invention is based on the object of specifying a coated press plate of the type described above for hot pressing, with the short cycle times and uniform or full-surface pressing effects for the highest possible and uniform heat transfer by avoiding air inclusions and Kältenestern and an extremely uniform distribution of high pressing forces over the entire Pressing material, long service lives and a low product scrap are achieved, especially for pressed material dimensions up to 6 mx 9 m and above.
  • the application of the elastic coating can be done either by uniform brushing, extruding from a slot or by pouring a first easily flowable mass of one or more nozzles according to a predetermined, very narrow and uniform distribution pattern on the press plate, wherein the first flowable mass at least largely distributed by itself, and then let the mass stand up to reach the predetermined Shore A hardness, for which silicone resins are particularly well suited.
  • FIG. 1 2 shows a section of a press device 1, which denotes a machine lower part 2, also referred to as a machine table, and a press plate 3, also referred to as a machine upper part, which is movable in the vertical direction by a plurality of synchronously acting drive elements 4, wherein the drive elements are used as hydraulic actuators. or pneumatic cylinders, but can also be designed as mechanical drive elements such as spindle drives.
  • a press device 1 denotes a machine lower part 2, also referred to as a machine table, and a press plate 3, also referred to as a machine upper part, which is movable in the vertical direction by a plurality of synchronously acting drive elements 4, wherein the drive elements are used as hydraulic actuators. or pneumatic cylinders, but can also be designed as mechanical drive elements such as spindle drives.
  • the usual, these components surrounding press frame is not shown for simplicity. Since it is a device for hot pressing of pressed material 5, machine base 2 and press plate 3 are provided with heaters.
  • the pressed material 5 solidifies in itself, be provided with a flat decorative coating and / or a surface profiling such as a wood pattern.
  • a press plate 6 is suspended from metal, by vertical bends 6a with vertical slots 7 and horizontal screws 8 at the peripheral edge 3a of the press plate 3 and / or by vertical, preferably only in the edge region arranged countersunk screws 9, not from the Press plate 6 protrude below.
  • Decisive in this case is the intermediate layer of an inherently elastic covering 10 which is either single-layered or multi-layered in the vertical direction can be, or even in the horizontal direction zones or areas of different Shore A hardness may have. This will be discussed in more detail in connection with other figures.
  • those with Shore A hardnesses between 40 and 80 even better those with Shore A hardnesses between 50 and 70, in particular those with Shore A hardnesses of about 60 in question. It is according to DIN 53 505 to dimensionless units. Very suitable are silicones or silicone materials. It will be on the RöMMP CHEMIE LEXIKON, Edition 1995, page 4137 and pages 4168 to 4172 directed.
  • the elasticity of the lining 10 must be sufficiently high, on the other hand, but also the thermal conductivity, which can be improved by the incorporation of particles, tissues or networks of metal.
  • the thickness of the elastic covering 10 or the sum of all elastic layer components of the lining 10 is a range between 1 and 4 mm in question.
  • the compound of the lining 10 with the press plate 6 can preferably be improved by a bonding agent.
  • Such adhesion promoters or adhesives are known per se and are commercially available. Please refer RöMMP CHEMIE LEXIKON, 1995 Edition, pages 1703 and 1704 ,
  • FIG. 2 shows a vertical section through a press plate 6 with a single, single-layer elastic coating 10.
  • Die FIG. 3 shows a vertical section through a press plate 6 with an elastic covering 10, the zones or regions 10a and 10b of different Shore A hardness, having, preferably, the area 10a with the larger Shore A hardness above all over the entire peripheral region of the press plate 6 extends.
  • the FIG. 4 shows the item of FIG. 3 with an additional metal layer 11, eg a soft metal foil.
  • FIG. 5 shows a corner of a protruding edge 6 b pressing plate 6 with an elastic coating 10 after FIG. 2 on which a layer 11 made of a soft metal foil is applied, which is partially removed for better clarity.
  • the FIG. 6 shows a corner of a press plate 6 after FIG. 3 in plan view with zones or regions 10a and 10b of different Shore A hardnesses.
  • This layer design enables a compensation of different surface geometries of the pressed material 5 (FIG. FIG. 1 ). With the subject invention, it is possible to exert the same compressive forces on the pressed material 5 with each surface element of the lining at the same temperatures.
  • FIG. 7 shows a vertical section through a press plate 6 with a coating 10, which is composed alternately of three elastic layers 10c and two soft metal layers 11, which consist for example of copper sheet and / or a copper fabric with a thickness of 0.3 to 0.4 mm ,

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Claims (18)

  1. Presse avec une plaque de pressage (6) pour le pressage à chaud de matériaux de pressage (5) du groupe comprenant les laminés, le bois d'ingénierie, le bois composite, les panneaux de particules, les composites de bois, papier, films et papier pour les planchers, murs et plafonds, la presse (1) présentant au moins une plaque de pression chauffante (3) et au moins un revêtement élastique (10) étant disposé entre la plaque de pressage (3) et la plaque de pression (6), caractérisée en ce que
    la plaque de pression (6) présente sur des côtés opposés des coudes verticaux (6a) avec des trous oblongs verticaux (7) par lesquels la plaque de pression (6) est suspendue, à l'aide de vis horizontales (8), au rebord périphérique (3a) de la plaque de pressage (3), que
    la plaque de pression (6) présente, entre les coudes (6a) sur son côté faisant face à la plaque de pressage (3), au moins un revêtement (6) adhérant à la plaque de pression (6) composé d'un plastique conducteur élastique, que la plaque de pression (6), avec son revêtements (10), touche à la plaque de pressage (3) sans donner lieu à un entrefer, et que
    la structure globale de la plaque de pression (6) munie du revêtement adhérent (10) est configurée de façon totalement plane et que le revêtement (10) est disposé de telle façon entre la plaque de pressage (3) et le matériau de pressage (5) qu'il est exempt d'inclusions d'air.
  2. Presse selon la revendication 1, caractérisée en ce que le revêtement élastique (10) présente une dureté Shore A de 40 à 80.
  3. Presse selon la revendication 2, caractérisée en ce que le revêtement élastique (10) présente une dureté Shore A de 50 à 70.
  4. Presse selon la revendication 2, caractérisée en ce que le revêtement élastique (10) présente une dureté Shore A d'environ 60.
  5. Presse selon la revendication 1, caractérisée en ce que le revêtement élastique (10) est composé d'un matériau de silicone.
  6. Presse selon la revendication 1, caractérisée en ce que le revêtement élastique (10) est pourvu d'un insert métallique particulaire.
  7. Presse selon la revendication 1, caractérisée en ce que le revêtement élastique (10) est relié à la plaque de pression (6) au moyen d'un agent adhésif.
  8. Presse selon la revendication 1, caractérisée en ce que le revêtement élastique (10) présente une épaisseur de 1 à 4 mm.
  9. Presse selon la revendication 1, caractérisée en ce que le revêtement élastique (10) présente des duretés Shore A différentes selon la zone (10a, 10b).
  10. Presse selon la revendication 9, caractérisée en ce que le revêtement élastique (10) présente la dureté Shore A relative la plus élevée sur les rebords de la plaque de pression (6).
  11. Presse selon la revendication 1, caractérisée en ce que la plaque de pression (6) présente une épaisseur de 2 à 8 mm.
  12. Presse selon la revendication 11, caractérisée en ce que la plaque de pression (6) présente une épaisseur de 3 à 5 mm.
  13. Presse selon la revendication 1, caractérisée en ce que la plaque de pression (6) est composée d'au moins un métal du groupe comprenant l'acier inoxydable, le cuivre et le laiton.
  14. Presse selon la revendication 1, caractérisée en ce que le revêtement élastique (10) de la plaque de pression (6) est pourvu, sur son côté faisant face à la plaque de pressage (3), d'une couche (11) composée d'un métal mou.
  15. Presse selon la revendication 14, caractérisée en ce que la couche métallique (11) est composée d'une tôle de cuivre et présente une épaisseur de 0,3 à 0,4 mm.
  16. Presse selon la revendication 14, caractérisée en ce que la couche métallique (11) est composée d'une toile métallique fine logée dans le revêtement élastique (10).
  17. Presse selon la revendication 1, caractérisée en ce que la plaque de pression (6) présente sur son côté faisant face à la plaque de pressage (3) une succession de couches comprenant au moins deux couches élastiques (10e) et au moins deux couches (11) composées d'un métal mou du groupe comprenant les feuilles métalliques et toiles métalliques.
  18. Presse selon la revendication 1, caractérisée en ce que la structure globale de la plaque de pression revêtue (6) est renforcée au-dessous de la plaque de pressage (3) avec au moins une vis (9) traversant la plaque de pression (6).
EP04025006.0A 2003-11-12 2004-10-21 Dispositif de pressage à chaud ayant une plaque de pression et au moins une couche élastique Active EP1533110B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL04025006T PL1533110T3 (pl) 2003-11-12 2004-10-21 Urządzenie do prasowania na gorąco z blachą dociskową i co najmniej jedną elastyczną okładziną

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2003152754 DE10352754B3 (de) 2003-11-12 2003-11-12 Heiss-Pressvorrichtung mit einem Pressblech und mindestens einem elastischen Belag
DE10352754 2003-11-12

Publications (3)

Publication Number Publication Date
EP1533110A2 EP1533110A2 (fr) 2005-05-25
EP1533110A3 EP1533110A3 (fr) 2007-11-07
EP1533110B1 true EP1533110B1 (fr) 2016-01-06

Family

ID=34428680

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04025006.0A Active EP1533110B1 (fr) 2003-11-12 2004-10-21 Dispositif de pressage à chaud ayant une plaque de pression et au moins une couche élastique

Country Status (6)

Country Link
US (1) US7465371B2 (fr)
EP (1) EP1533110B1 (fr)
CA (1) CA2487552C (fr)
DE (1) DE10352754B3 (fr)
ES (1) ES2558863T3 (fr)
PL (1) PL1533110T3 (fr)

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EP1974896A1 (fr) * 2007-03-26 2008-10-01 Heimbach GmbH & Co. KG Coussinet pour presse doté d'un renfort aux extrémités
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IT1395322B1 (it) * 2009-08-20 2012-09-14 Maccaferri Spa Off Struttura di rivestimento di terreni comprendente uno strato di geocomposito ed un elemento di rinforzo ad elevata resistenza meccanica, e impianto e procedimento di fabbricazione di tale struttura
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ES2609328T3 (es) * 2010-10-05 2017-04-19 Schwartz Gmbh Procedimiento y horno para tratar piezas de trabajo
US9944424B2 (en) * 2013-02-13 2018-04-17 Illinois Tool Works Inc. Method and apparatus for applying heat transfer label
CN104097322A (zh) * 2013-04-01 2014-10-15 纬创资通股份有限公司 热压成型设备
KR102471022B1 (ko) * 2018-01-25 2022-11-25 삼성디스플레이 주식회사 패드 및 이를 이용한 필름의 접착 방법
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IT202000016021A1 (it) * 2020-07-02 2022-01-02 Millutensil S R L Apparato di pressatura
CN112339290A (zh) * 2020-10-16 2021-02-09 陈扬辉 一种塑料制品加工装置
AT17830U1 (de) * 2021-10-18 2023-04-15 Iag Ind Automatisierungsgesellschaft M B H Presswerkzeug zum Verpressen von Compoundmischungen

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Also Published As

Publication number Publication date
CA2487552C (fr) 2013-01-22
DE10352754B3 (de) 2005-06-30
ES2558863T3 (es) 2016-02-09
US20050112384A1 (en) 2005-05-26
EP1533110A3 (fr) 2007-11-07
EP1533110A2 (fr) 2005-05-25
US7465371B2 (en) 2008-12-16
PL1533110T3 (pl) 2016-06-30
CA2487552A1 (fr) 2005-05-12

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