EP0384958B2 - Multi-platen press - Google Patents

Multi-platen press Download PDF

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Publication number
EP0384958B2
EP0384958B2 EP89118667A EP89118667A EP0384958B2 EP 0384958 B2 EP0384958 B2 EP 0384958B2 EP 89118667 A EP89118667 A EP 89118667A EP 89118667 A EP89118667 A EP 89118667A EP 0384958 B2 EP0384958 B2 EP 0384958B2
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EP
European Patent Office
Prior art keywords
pressure medium
pressure
press
platen press
press according
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.)
Expired - Lifetime
Application number
EP89118667A
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German (de)
French (fr)
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EP0384958B1 (en
EP0384958A1 (en
Inventor
Wild Maschinen Gmbh Wm
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.)
CESSIONE;WM WILD MASCHINEN GMBH
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WM Wild Maschinen GmbH
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Application filed by WM Wild Maschinen GmbH filed Critical WM Wild Maschinen GmbH
Priority to AT89118667T priority Critical patent/ATE75649T1/en
Publication of EP0384958A1 publication Critical patent/EP0384958A1/en
Application granted granted Critical
Publication of EP0384958B1 publication Critical patent/EP0384958B1/en
Publication of EP0384958B2 publication Critical patent/EP0384958B2/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27D—WORKING VENEER OR PLYWOOD
    • B27D3/00—Veneer presses; Press plates; Plywood presses
    • B27D3/02—Veneer presses; Press plates; Plywood presses with a plurality of press plates, i.e. multi- platen hot presses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B7/00—Presses characterised by a particular arrangement of the pressing members
    • B30B7/02—Presses characterised by a particular arrangement of the pressing members having several platens arranged one above the other

Definitions

  • the invention relates to a multi-daylight press, in particular with panels made of wood-based materials or veneers or the like can be pressed.
  • DE-U1-8806883 describes a device for hot pressing of plate-shaped workpieces with two on top of each other arranged pressure chambers, each of formed independently of each other hot presses become.
  • Each hot press has a pressure bar on which Attack the pressure cylinder.
  • Each pressure chamber is divided into several Levels divided, in each of which the same working parameters available.
  • Both hot presses have a common, stationary center table, which is like the pressure cylinder a common frame is supported.
  • the object of the invention is to provide a multi-daylight press in which the individual pressure chambers, which are delimited by the upper and lower press plate, operated with variable, different press parameters can be in order to press different plates in thickness on the one hand or only to subject individual pressure chambers to a pressing process, while other pressure chambers are open and can be loaded separately.
  • the pressure medium cylinders and the piston rods displaceable therein stored in brackets that are supported against each other as guides and thus a precisely directed Ensure piston rod movement.
  • the preferably U-shaped brackets can be used against each other directed openings can be guided into each other, the legs of each bracket by means of tabs on the press plates are attached.
  • the two brackets are thus in a plane parallel to their front edge.
  • the two brackets which are connected by the piston rod, according to their extended length at a distance from each other and thus give the opening width of the Pressure chambers on, while in the closed state of the chambers the brackets leading each other lie in one another.
  • (10) is a multi-chamber floor press referred to, in which several press plates (11) can be changed to a certain extent Spacing are vertically displaceable on a frame.
  • the pressure medium cylinder (21 a) is attached below so that the piston rod (21 b) moves upwards (extends) to open.
  • the pairs of tabs (16 a) each carry a U-shaped, open at the bottom Bracket (17) (see. Fig. 3) on which the piston rod (12 b to 15 b) opposite end of the pressure cylinder (12 a to 15 a) is attached.
  • the piston rod (15 b) is on a further bracket (18) by means of a joint (19) attached, which is open at the top and the tabs (16 b) are attached to the cover plate (20), while the tabs (16 a) of the other bracket (17) on the base plate (11) are attached.
  • Each pressure medium cylinder (12 a to 15 a) is via a pressure medium line with a control center (not shown), through which each pressure medium cylinder (12 a to 15 a) individually and independently of the neighboring pressure medium cylinder (12 a to 15 a) can be controlled.
  • the opening side of the pressure chamber (22) can be up to 150 mm with one stroke of the pressure piston rod of also 150 mm.
  • a pressure of up to 300 bar can be exerted.
  • the two U-shaped brackets (17, 18) are correspondingly the extended length of the piston rod (12 b to 15 b, 21 b) at a distance from each other.
  • the inner bracket (18) engages in the outer bracket (17) in a guided manner.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Veneer Processing And Manufacture Of Plywood (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)

Abstract

In a multi-platen press for pressing wooden boards or veneering or the like, comprising a plurality of superposed pressure chambers (22) with a total pressure-medium line which opens and closes the latter, each pressure chamber (22) is equipped with separate pressure-medium devices (12 to 15) which can be controlled independently of one another. <IMAGE>

Description

Die Erfindung bezieht sich auf eine Mehretagenpresse, mit der insbesondere Platten aus Holzwerkstoff oder Furniere o. dgl. verpreßt werden können.The invention relates to a multi-daylight press, in particular with panels made of wood-based materials or veneers or the like can be pressed.

Bei Mehretagenpressen ist es bekannt, mehrere Druckkammern übereinander anzuordnen, die gemeinsam beschickt werden und dann mit einer Gesamtdruckmitteleinrichtung verpreßt werden. In multi-daylight presses, it is known to arrange several pressure chambers one above the other be loaded together and then pressed with a total pressure medium device.

Die DE-U1-8806883 beschreibt eine Vorrichtung zum Heißverpressen von plattenförmigen Werkstücken mit zwei übereinander angeordneten Druckkammern, welche jeweils von unabhängig voneinander arbeitenden Heißpressen gebildet werden. Jede Heißpresse weist einen Druckbalken auf, an dem Druckmittelzylinder angreifen. Jede Druckkammer ist in mehrere Etagen unterteilt, in welchen jeweils gleiche Arbeitsparameter vorliegen. Beide Heißpressen weisen einen gemeinsamen, ortsfesten Mitteltisch auf, der wie die Druckmittelzylinder an einem gemeinsamen Gestell abgestützt ist. DE-U1-8806883 describes a device for hot pressing of plate-shaped workpieces with two on top of each other arranged pressure chambers, each of formed independently of each other hot presses become. Each hot press has a pressure bar on which Attack the pressure cylinder. Each pressure chamber is divided into several Levels divided, in each of which the same working parameters available. Both hot presses have a common, stationary center table, which is like the pressure cylinder a common frame is supported.

Aufgabe der Erfindung ist es, eine Mehretagenpresse zu schaffen, bei der die einzelnen Druckkammern, die von oberer und unterer Preßplatte begrenzt sind, mit variablen, unterschiedlichen Preßparametern betrieben werden können, um damit einerseits in der Dicke unterschiedliche Platten zu verpressen oder nur einzelne Druckkammern einem Preßvorgang zu unterwerfen, während andere Druckkammern offenstehen und gesondert beschickt werden können.The object of the invention is to provide a multi-daylight press in which the individual pressure chambers, which are delimited by the upper and lower press plate, operated with variable, different press parameters can be in order to press different plates in thickness on the one hand or only to subject individual pressure chambers to a pressing process, while other pressure chambers are open and can be loaded separately.

Gemäß der Erfindung wird diese Aufgabe durch die Merkmale des Hauptanspruchs gelöst. Somit ist jede Druckkammer mit gesonderten Druckmitteleinrichtungen ausgestattet , die unabhängig voneinander steuerbar sind. Dabei können in den einzelnen Druckkammern unterschiedliche Drücke herrschen und auch Heissplatten unterschiedliche Temperaturen aufweisen.According to the invention, this object solved by the features of the main claim. So is every pressure chamber equipped with separate pressure medium devices that can be controlled independently of each other are. Different pressures and hot plates can prevail in the individual pressure chambers have different temperatures.

Dadurch ist es auch möglich, die einzelnen Druckkammern unterschiedlich lange einem Preßvorgang auszusetzen.This also makes it possible to subject the individual pressure chambers to a pressing process for different lengths of time.

Bei einer bevorzugten Ausführungsform sind die Druckmittelzylinder und die darin verschiebbaren Kolbenstangen in Bügeln gelagert, die als Führungen sich gegeneinander abstützen und damit eine genau gerichtete Kolbenstangenbewegung gewährleisten. Dabei können die vorzugsweise U-förmigen Bügel in gegeneinander gerichteten Öffnungen ineinander geführt sein, wobei die Schenkel jedes Bügels mittels Laschen an den Preßplatten befestigt sind. Die beiden Bügel liegen damit in einer Ebene parallel zu deren Stirnkante. Im geöffneten Zustande der Preßplatten stehen die beiden Bügel, die durch die Kolbenstange miteinander verbunden sind, entsprechend deren ausgefahrener Länge im Abstande zueinander und geben damit die Öffnungsweite der Druckkammern an, während im geschlossenen Zustande der Kammern die Bügel sich gegenseitig führend ineinanderliegen.In a preferred embodiment, the pressure medium cylinders and the piston rods displaceable therein stored in brackets that are supported against each other as guides and thus a precisely directed Ensure piston rod movement. The preferably U-shaped brackets can be used against each other directed openings can be guided into each other, the legs of each bracket by means of tabs on the press plates are attached. The two brackets are thus in a plane parallel to their front edge. In the open Condition of the press plates are the two brackets, which are connected by the piston rod, according to their extended length at a distance from each other and thus give the opening width of the Pressure chambers on, while in the closed state of the chambers the brackets leading each other lie in one another.

Weitere Merkmale ergeben sich aus den Unteransprüchen.Further features emerge from the subclaims.

Auf der Zeichnung sind Ausführungsbeispiele dargestellt. Es zeigen:

  • Fig. 1 eine Vorderansicht einer Etagenpresse mit drei Kammern mit jeweils zwei Preß- und Heissplatten, die mittels nach unten wirkender Kolben höhenveränderbar sind;
  • Fig. 2 eine perspektivische Ansicht einer Kammer mit Boden- und Deckenplatte, mit zwei Heissplatten und mit die Öffnungsweite einstellenden Hydraulikzylindern, deren Kolben nach oben wirken;
  • Fig. 3 eine Seitenansicht eines Teiles einer Kammer mit Halterung eInes Hydraulikzylinders mit Kolben.
    • Exemplary embodiments are shown in the drawing. Show it:
  • Figure 1 is a front view of a deck press with three chambers, each with two press and hot plates, which are height-adjustable by means of pistons acting downwards.
  • Figure 2 is a perspective view of a chamber with a floor and ceiling plate, with two hot plates and with the opening width adjusting hydraulic cylinders, the pistons of which act upwards;
  • Fig. 3 is a side view of part of a chamber with a hydraulic cylinder with a piston.

    • Mit (10) ist eine Mehrkammeretagenpresse bezeichnet, bei der mehrere Preßplatten (11) in gewissem veränderbaren Abstand übereinander an einem Gestell senkrecht verschiebbar gelagert sind.With (10) is a multi-chamber floor press referred to, in which several press plates (11) can be changed to a certain extent Spacing are vertically displaceable on a frame.

    Dazu sind an zwei sich gegenüberliegenden Seiten der Etagenpresse jeweils mehrere Druckmittelzylinder (12 a bis 15 a) mit Kolbenstangen (12 b bis 15 b) an Laschen (16 a, 16 b) übereinander befestigt.For this purpose, there are several pressure medium cylinders on each of the two opposite sides of the deck press (12 a to 15 a) with piston rods (12 b to 15 b) on tabs (16 a, 16 b) one above the other.

    Bei der Ausführung gemäß Fig. 1 ist der Druckmittelzylinder ( 15 a) oben befestigt, so daß die Kolbenstange (15 b) nach unten wirkt (ausfährt).1, the pressure medium cylinder (15 a) is attached above, so that the piston rod (15 b) acts downwards (extends).

    Bei der Ausführung gemäß Fig. 2 ist der Druckmittelzylinder (21 a) unten befestigt so daß die Kolbenstange (21 b) nach oben sich bewegt (ausfährt) zum Öffnen.2 the pressure medium cylinder (21 a) is attached below so that the piston rod (21 b) moves upwards (extends) to open.

    Die paarweise befestigten Laschen (16 a) tragen nach außen jeweils einen U-förmigen, nach unten offenen Bügel (17) (vgl. Fig. 3), an dem das der Kolbenstange (12 b bis 15 b) gegenüberliegende Ende des Druckmittelzylinders (12 a bis 15 a) befestigt ist. Die Kolbenstange (15 b) ist an einem weiteren Bügel (18) mittels Gelenk (19) befestigt, der nach oben offen ist und dessen Laschen (16 b) dazu an der Deckplatte (20) befestigt sind, während die Laschen (16 a) des anderen Bügels (17) an der Bodenplatte (11) befestigt sind.The pairs of tabs (16 a) each carry a U-shaped, open at the bottom Bracket (17) (see. Fig. 3) on which the piston rod (12 b to 15 b) opposite end of the pressure cylinder (12 a to 15 a) is attached. The piston rod (15 b) is on a further bracket (18) by means of a joint (19) attached, which is open at the top and the tabs (16 b) are attached to the cover plate (20), while the tabs (16 a) of the other bracket (17) on the base plate (11) are attached.

    Jeder Druckmittelzylinder (12 a bis 15 a) ist über eine Druckmittelleitung mit einer Steuerzentrale (nicht dargestellt) verbunden, durch welche jeder Druckmittelzylinder (12 a bis 15 a) einzeln und unabhängig von dem benachbarten Druckmittelzylinder (12 a bis 15 a) gesteuert werden kann.Each pressure medium cylinder (12 a to 15 a) is via a pressure medium line with a control center (not shown), through which each pressure medium cylinder (12 a to 15 a) individually and independently of the neighboring pressure medium cylinder (12 a to 15 a) can be controlled.

    Die Lagerung des Kolbenzylinders (15 a) in einem inneren U-förmigen Bügel (18), der innerhalb des äußeren U-förmigen Bügels (17) geführt ist, gewährleistet, daß eine genaue Druckrichtung der Kolben stange (15 b) beim Öffnen und beim Schließen eingehalten ist, die ein Verkanten verhindert.The storage of the piston cylinder (15 a) in an inner U-shaped bracket (18) inside the outer U-shaped bracket (17) is guided, ensures that an accurate pressure direction of the piston rod (15th b) when opening and closing is observed, which prevents tilting.

    Dabei ist es bevorzugt, die Seiten der Preßplatten mit zwei oder mehr im Abstand zueinander befestigten Druckmittelzylindern (15 a) zu bestücken.It is preferred to fasten the sides of the press plates with two or more spaced apart Pressure medium cylinders (15 a) to be equipped.

    Eine derartige Ausbildung gestattet es, daß jede Druckkammer (22) zwischen zwei Preßplatten (11) mit unterschiedlichen Drücken und Temperaturen gefahren werden kann.Such a design allows each pressure chamber (22) between two press plates (11) different pressures and temperatures can be driven.

    In Fig. 3 ist mit (23) und mit (24) jeweils eine Sperrholzplatte bezeichnet, die an der Preßplatte (11) befestigt ist. In Fig. 3 with (23) and (24) each have a plywood panel, which is attached to the press plate (11) is.

    Die Öffnungsseite der Druckkammer (22) kann bis zu 150 mm betragen bei einem Hub der Druckkolbenstange von ebenfalls 150 mm. Beim Verpressen kann beispielsweise ein Druck bis zu 300 bar ausgeübt werden.The opening side of the pressure chamber (22) can be up to 150 mm with one stroke of the pressure piston rod of also 150 mm. When pressing, for example, a pressure of up to 300 bar can be exerted.

    Im geöffneten Zustande der einzelnen Druckkammern stehen die beiden U-förmigen Bügel (17, 18) entsprechend der ausgefahrenen Länge der Kolbenstange (12 b bis 15 b, 21 b) in einem Abstande zueinander. Bei geschlossener Druckkammer (22) greift der innere Bügel (18) in den äußeren Bügel (17) geführt ein.In the opened state of the individual pressure chambers, the two U-shaped brackets (17, 18) are correspondingly the extended length of the piston rod (12 b to 15 b, 21 b) at a distance from each other. When the pressure chamber (22) is closed, the inner bracket (18) engages in the outer bracket (17) in a guided manner.

    Claims (10)

    1. A multi-platen press for pressing panels of derived timber material or veneers or the like, comprising a plurality of pressure chambers (22) disposed one above the other and an overall pressure medium device which opens or closes said chambers, wherein each pressure chamber (22) is provided with separate pressure medium devices (12 to 15) which are controllable independently of one another, wherein each pressure chamber (22) is defined by two press plates (11) mounted in the press frame so as to be displaceable vertically relative to one another, wherein two adjacent press chambers (22) comprise a common press plate (11), and wherein pressure medium cylinders (12a to 15a) with pressure medium pistons (12b to 15b) are each attached to two opposing sides of the displaceably mounted press plates (11) respectively defining a pressure chamber (22), said pressure medium cylinders (12a to 15a) with pressure medium pistons (12b to 15b) connecting the press plates (11) defining the pressure chambers (22).
    2. A multi-platen press according to claim 1, characterised in that the pressure medium cylinders (12a to 15a) are disposed one above the other.
    3. A multi-platen press according to either one of claims 1 or 2, characterised in that the pressure medium cylinders (12a to 15a) are each attached laterally to a press plate (11) by means of lugs (16b).
    4. A multi-platen press according to any one of claims 1 to 3, characterised in that each piston rod (12b to 15b) is coupled to the corresponding press plate by means of a lug (16a).
    5. A multi-platen press according to any one of claims 1 to 4, characterised in that the pressure medium cylinders (12a to 15a) with piston rods (12b to 15b) are arranged in pairs on each side of the press plate (11).
    6. A multi-platen press according to any one of claims 1 to 5, characterised in that the piston rod (12b to 15b) or the pressure medium cylinder (12a to 15a) is respectively attached to a U-shaped bracket (17, 18), which is attached to the lugs (16a, 16b).
    7. A multi-platen press according to any one of claims 1 to 6, characterised in that the piston rod (12b to 15b) is coupled at the end to a U-shaped bracket (18) which is attached to the lug (16b) of the corresponding press plate (11).
    8. A multi-platen press according to any one of claims 1 to 7, characterised in that, when the pressure chambers are in the closed state, the two U-shaped brackets (17, 18) are mounted guidingly one inside the other and oriented in opposite directions.
    9. A multi-platen press according to any one of claims 1 to 8, characterised in that the piston rods (12b to 15b) are mounted so as to be extendable downwards out of the pressure medium cylinder (12a to 15a).
    10. A multi-platen press according to any one of claims 1 to 9, characterised in that the piston rods (21b) are mounted so as to be extendable upwards out of the pressure medium cylinder (21a).
    EP89118667A 1989-02-28 1989-10-07 Multi-platen press Expired - Lifetime EP0384958B2 (en)

    Priority Applications (1)

    Application Number Priority Date Filing Date Title
    AT89118667T ATE75649T1 (en) 1989-02-28 1989-10-07 MULTI-DAY PRESS.

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    DE8902360U 1989-02-28
    DE8902360U DE8902360U1 (en) 1989-02-28 1989-02-28 Multi-daylight press

    Publications (3)

    Publication Number Publication Date
    EP0384958A1 EP0384958A1 (en) 1990-09-05
    EP0384958B1 EP0384958B1 (en) 1992-05-06
    EP0384958B2 true EP0384958B2 (en) 1999-07-07

    Family

    ID=6836495

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP89118667A Expired - Lifetime EP0384958B2 (en) 1989-02-28 1989-10-07 Multi-platen press

    Country Status (4)

    Country Link
    EP (1) EP0384958B2 (en)
    AT (1) ATE75649T1 (en)
    DE (2) DE8902360U1 (en)
    ES (1) ES2033063T5 (en)

    Families Citing this family (10)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    DE4119528A1 (en) * 1991-06-13 1992-12-17 Herbert Wild MULTI-DAY PRESS
    DE4327030C2 (en) * 1993-08-12 1995-06-29 Wild Foerderanlagen Gmbh Press with at least two pressure rooms
    DE4428768C2 (en) * 1994-08-13 2001-12-06 Herbert Wild Press with at least two superimposed pressure rooms
    DE29622858U1 (en) * 1996-05-06 1997-07-03 OTW-Oberflächentechnik Wild GmbH, 32457 Porta Westfalica Press, in particular for pressing plate-shaped workpieces
    DE19718557B4 (en) * 1997-05-02 2005-01-20 Heinrich Wemhöner GmbH & Co KG Maschinenfabrik floor Press
    DE19816073B4 (en) * 1998-04-09 2006-02-09 Robert Bürkle GmbH Multi-chamber press
    ITMI20060946A1 (en) * 2006-05-12 2007-11-13 Ormamacchine S P A MULTI-LAYER PRESS FOR HIGH PRODUCTIVITY FOR BONDING OF FLAT ELEMENTS, PARTICULARLY FOR HOT OR COLD GLUING OF SHEETS, LAMINATES, VENEERS OR SIMILAR ON TAMBURARTI, TRUCIOLARI, ALVEOLARI OR SIMILAR, AND FOR PRODUCTION PANELS
    DE102007012496B3 (en) * 2007-03-15 2008-11-06 Iac Group Gmbh Platen press for molded parts
    JP4209458B1 (en) * 2008-04-01 2009-01-14 日清紡績株式会社 Laminating equipment
    CN110815432A (en) * 2019-11-15 2020-02-21 徐州中嘉木业有限公司 Plywood hot press unit

    Family Cites Families (2)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    AT290101B (en) * 1967-05-16 1971-05-25 Becker & Van Huellen Multi-day press, especially for the production of chipboard, fiberboard or the like.
    DE1807433B2 (en) * 1968-11-07 1973-06-20 Becker & van Hüllen Niederrheini sehe Maschinenfabrik, 4150 Krefeld MULTI-LEVEL PRESS FOR PRESSING CHIPBOARD OR DGL. WITHOUT SPACERS

    Also Published As

    Publication number Publication date
    DE58901346D1 (en) 1992-06-11
    ES2033063T5 (en) 1999-12-16
    DE8902360U1 (en) 1989-06-29
    ES2033063T3 (en) 1993-03-01
    EP0384958B1 (en) 1992-05-06
    ATE75649T1 (en) 1992-05-15
    EP0384958A1 (en) 1990-09-05

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