EP0938957B1 - Apparatus for producing a top layer for laminated parquet flooring - Google Patents

Apparatus for producing a top layer for laminated parquet flooring

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Publication number
EP0938957B1
EP0938957B1 EP98123209A EP98123209A EP0938957B1 EP 0938957 B1 EP0938957 B1 EP 0938957B1 EP 98123209 A EP98123209 A EP 98123209A EP 98123209 A EP98123209 A EP 98123209A EP 0938957 B1 EP0938957 B1 EP 0938957B1
Authority
EP
European Patent Office
Prior art keywords
press
cylinder
board
work station
trains
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
EP98123209A
Other languages
German (de)
French (fr)
Other versions
EP0938957A3 (en
EP0938957A2 (en
Inventor
Herbert Basner
Rolf Exner
Herbert Hille
Wolfgang Melies
Michael Zellermann
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.)
Robert Buerkle GmbH
Original Assignee
Robert Buerkle 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 claimed from DE19812478A external-priority patent/DE19812478C1/en
Application filed by Robert Buerkle GmbH filed Critical Robert Buerkle GmbH
Publication of EP0938957A2 publication Critical patent/EP0938957A2/en
Publication of EP0938957A3 publication Critical patent/EP0938957A3/en
Application granted granted Critical
Publication of EP0938957B1 publication Critical patent/EP0938957B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
    • B27M3/00—Manufacture or reconditioning of specific semi-finished or finished articles
    • B27M3/04—Manufacture or reconditioning of specific semi-finished or finished articles of flooring elements, e.g. parqueting blocks
    • B27M3/06—Manufacture or reconditioning of specific semi-finished or finished articles of flooring elements, e.g. parqueting blocks of composite floor plates per se by assembling or jointing the parqueting blocks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
    • B27M3/00—Manufacture or reconditioning of specific semi-finished or finished articles
    • B27M3/0013—Manufacture or reconditioning of specific semi-finished or finished articles of composite or compound articles
    • B27M3/0026—Manufacture or reconditioning of specific semi-finished or finished articles of composite or compound articles characterised by oblong elements connected laterally
    • B27M3/0033—Manufacture or reconditioning of specific semi-finished or finished articles of composite or compound articles characterised by oblong elements connected laterally by a plurality of clamps each used with similar articles and each functionning similarly but time-delayed

Definitions

  • the invention relates to a device for producing top layers for multilayer parquet planks, with Transport device for feeding strands of wood slats, Kantenbeleim pleasing, transfer device following the transport device for the lateral consolidation of the strands, a plurality of heatable plate presses, each with a force acting in the transverse direction of the strands Vorpreß driven and an acting on the top and bottom of the strands Fertigpreß Road and Conveyor for the removal of the finished products, wherein the plate presses are associated with a longitudinal pressing of the strands acting on the front sides of the strands Lijnspreß perceived.
  • the transfer device consists of a wedge-shaped guide channel, in the several parallel strands of wooden slats shrink, wherein the previously glued longitudinal edges of the Strands create each other. At a stop occurs an alignment of the strands in the longitudinal direction.
  • a lifting device is made of several parallel Strands existing lamellar arrangement on a conveyor belt filed a plate press. Find on the conveyor belt a plurality of fin arrangements space. These will pressed together in the plate press, the lamellae for joint-tight installation of the individual slats in the longitudinal and transverse directions against each other pre-pressed and then the final pressing by means of one acting on the top and bottom of the strands Fertigpreß listening done.
  • Top layers for multi-layer parquet planks are made of high quality Wooden. They have to be manufactured with high precision to be a precise concern of the slats of the To ensure parquet and to columns between each To avoid fins. Irregularities on the circumference single lamellae and / or foreign bodies, between lamellae are trapped, disrupt the construction of a unified Pressing pressure on the longitudinal edges and can the Pressing the batch affect. irregularities on individual lamellae are the more effective, depending larger is the area that is compressed in a stroke.
  • a Parallel connection of several small presses, each with an associated transport device for the strand feed and an associated conveyor for the removal of the finished products is technical very expensive, requires a lot of space and a large number of operators.
  • the invention is based on the object, a device indicate that at high production output a single pressing of top layers for multi-layer parquet planks.
  • the object is achieved according to the invention, that the plate presses on the circumference of a rotatably mounted Drum are arranged, wherein the press chambers of the plate presses in a workstation to the drum outside and open to the drum inside, that the transfer device and the conveyor for removal of the finished products at the same level of funding drum outside and drum inside the workstation connect, whereby by an adjusting movement of Transfer device transverse to the strand feed a predetermined Number of strands under parallel alignment in the open press chamber of a positioned in the workstation Plate press are insertable and with the insertion movement the strands a finished product from the Press chamber on the conveyor for removal is pushed out and where the plate presses by a Step by step rotation of the drum in succession are movable in the workstation and closed Fertigpreß worn during a rotary motion the drum the finished presses under heat executable is.
  • the plate pressing in equidistant Interspaces arranged on the circumference of the drum.
  • the drum a Rotary movement only in one direction of rotation or rotational movements with alternating direction of rotation.
  • Another version of the Invention provides that the drum with a rotational movement changing direction of rotation executes, with the plate presses with the rotational movement in a first direction of rotation successively the workstation are presented and then the first loaded plate press by a Return movement of the drum back to the workstation is moved.
  • the conveyor for the removal of the finished products is expedient drum inside arranged and has an adjusting device, which the distance of Support surface to the press chamber according to the power stroke the plate press changed.
  • a platen press positioned in the workstation closes the bearing surface of the conveyor close to the lower press plate of the plate press.
  • To Receiving the finished product will be the bearing surface of the press plate moved away, being between the finished product and the slat strands inserted into the press chamber a gap is created. After that, the finished product can dissipated and a new in the workstation Pressing operation by pressing the Vorpreß worn and by longitudinal compression of the positioned in the press chamber Strands are initiated.
  • the transfer device has according to a preferred embodiment the invention a slider and a top side Cover for guiding the strands forming the strands on.
  • the transverse movement of the strands from the strand feed to the press chamber is advantageously carried out under a light Top pressure, to tilting and sliding over the Exclude slats.
  • the device according to the invention is characterized that the top layers for multi-layer parquet planks that off consist of a few parallel lamellar strands and a length of usually 1.5 to 3 m, be pressed individually can, due to the inventive arrangement a high throughput is achievable.
  • Another Throughput increase is possible if, according to another Embodiment of the invention, two workstations diametrically on Scope of the drum are arranged, each workstation a transfer device and a conveyor assigned for the removal of the finished products is.
  • the plate presses are also at this embodiment arranged at equidistant intervals and the actuation takes place in the two workstations positioned plate presses synchronously.
  • the plate presses are executable as modular units. They have according to a preferred embodiment of the invention each a support table with a support surface for the Pressed material, a press table and one against the pressed material movable press plate, wherein the press plate by cylinder-piston assemblies connected to the press table and wherein the support table and the press table by a Plural arranged in the longitudinal direction of the platen press Tensile elements are locked against each other. The Consequently, compressive pressures do not transfer to the drum.
  • the tension elements are expediently made of brackets, the pivotally connected to the press table and can be actuated by cylinder-piston assemblies.
  • Device includes a transport device 1 for the supply of strands 2 of wooden slats 3, a Kantenbeleim raised 4, one subsequent to the transport device 1 Transfer device 5 for lateral merge the strands 2, one explained in more detail below Arrangement of several heatable plate presses 6 and a conveyor 7 for the removal of the Finished products 8.
  • the arrangement of the plate presses 6 is made of a comparative Consideration of Figs. 1 and 2 understandable.
  • a rotating drivable drum 9 are in equidistant Distances several plate presses 6 each a drum-resistant support table 10 and a vertical arranged adjustable press plate 11, wherein the press chambers 12 of the plate presses 6 in a workstation A towards the outside of the drum and towards the inside of the drum to open.
  • the transfer device 5 and the conveyor 7 for the removal of the finished products 8 Close on the same conveyor level drum outside and drum inside the workstation A.
  • the drum 9 performs a rotational movement with alternating direction of rotation, wherein the plate presses 6 with the rotational movement in one first direction of rotation of the workstation A presented and then the first loaded Platen press 6 by a provision of the drum. 9 is moved back to the workstation A.
  • the plate presses 6 each have one in the transverse direction the strands 2 acting pre-pressing device 13, e.g. in shape pivotable printing plates, as well as the upper and Bottom of the strands 2 acting Fertigpreß worn 14 on. Further, in the workstation A is a Lekspreß noticed 15 arranged. It is as pneumatic Pressure device formed and has a plurality of pneumatic cylinder-piston assemblies 16, wherein each strand 2 of a positioned in the press chamber 12 Slat arrangement a pressure ram for compression of the Stranges 2 is assigned.
  • the conveyor 7 for the removal of the finished products 8 is arranged drum inside and has a not shown in detail adjusting device, which the distance of the support surface to the press chamber 12th changed according to the power stroke of the platen press 6.
  • To Takeover of the finished product 8 becomes the bearing surface moved away from the support table 10, wherein between the Finished product 8 and in the press chamber 12th inserted, still to be pressed strands 2 a gap arises and the finished product 8 transported away and the pre-pressing device 13 can be operated again.
  • the transfer device 5 has in the embodiment a slider 17 and a top cover for Guide the strands 2 on.
  • the plate presses 6 are constructed as modular units. They each have a support table 10 with a support surface for the pressed material, a press table 18 and a against the pressed material movable pressing plate 11.
  • the press plate 11 is by cylinder-piston assemblies 19 at the Press table 18 connected.
  • the support table 10 and the Press table 18 are by a plurality of longitudinally the platen press 6 arranged tension elements 20th locked against each other.
  • the tension elements 20 consist of Clamps pivotally connected to the press table 18 and operable by cylinder-piston assemblies 21 are.
  • the device according to the invention operates as follows. Strands 2 each of several wooden slats 3 are at the Kantenbeleim Anlagen 4 passed, with each other to be joined longitudinal edges of the strands 2 with a thermosetting hot glue (PVAC or urea resin glue) be painted.
  • the strands 2 are successively laterally displaced by means of the transfer device 5 and into the open press chamber 12 of one in the workstation A positioned platen press 6 inserted.
  • the Sliding operations are carried out under slight top pressure, so that the wooden slats 3 do not tilt or themselves slide over each other.
  • the in the open press chamber 12th inserted strands 2 displace that in the Press chamber 12 still contained finished product 8, which is pushed onto the adjacent conveyor 7.
  • the Prepressing device 13 of the platen press 6 and the Lssenspreß Nur 15 actuated, wherein by the Compaction in transverse and longitudinal joints closed and the edge pressure required for gluing be generated.
  • the Fertigpreß listening 14 is subsequently closed, reducing the location of all Wooden slats 3 is fixed.
  • the drum 9 is rotated, wherein the circumferentially subsequent press chamber 12th is introduced into the workstation A.
  • the plate presses 6 are heated. During a full rotation of the drum 9 hardens the glue clamped in the press chamber 12 Slat arrangement off. After a full turn, the Press chamber 12 opened again and the finished product 8 in the manner already described to the conveyor 7th to transfer the finished product 8 handed over.
  • FIG. 3 and 4 are two workstations A, A 'diametrically on the circumference of the drum 9 arranged.
  • Each work station A, A ' is a transfer device 5 and a conveyor 7 for removal the finished products 8 assigned.
  • FIG. 4 one takes that on the circumference of the drum 9 is a straight Number of plate presses 6, 6 ', each with a drum-resistant Support table 10, one clamped against the support table Press table 18 and a vertically adjustable Preßplatte 11 are arranged.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Veneer Processing And Manufacture Of Plywood (AREA)
  • Floor Finish (AREA)
  • Press Drives And Press Lines (AREA)

Abstract

The press platens (6) are mounted on the circumference of a rotary drum (9) so that their pressure spaces are positioned on the drum exterior and extend into the interior. The reciprocating transfer frame (5) is on a similar feed plane to the drum exterior. The prepared work (8) is supplied on a frame parallel to the drum face.

Description

Die Erfindung betrifft eine Vorrichtung zur Herstellung von Oberlagen für Mehrschichtenparkettdielen, mit
   Transporteinrichtung für die Zuführung von Strängen aus Holzlamellen,
   Kantenbeleimeinrichtung,
   an die Transporteinrichtung anschließender Transfereinrichtung für die seitliche Zusammenführung der Stränge,
   mehreren beheizbaren Plattenpressen mit jeweils einer in Querrichtung der Stränge wirkenden Vorpreßeinrichtung sowie einer die Ober- und Unterseite der Stränge beaufschlagenden Fertigpreßeinrichtung und
   Fördereinrichtung für den Abtransport der Fertigerzeugnisse,
wobei den Plattenpressen eine in Längsrichtung der Stränge wirkende, die Stirnseiten der Stränge beaufschlagende Längspreßeinrichtung zugeordnet ist.The invention relates to a device for producing top layers for multilayer parquet planks, with
Transport device for feeding strands of wood slats,
Kantenbeleimeinrichtung,
transfer device following the transport device for the lateral consolidation of the strands,
a plurality of heatable plate presses, each with a force acting in the transverse direction of the strands Vorpreßeinrichtung and an acting on the top and bottom of the strands Fertigpreßeinrichtung and
Conveyor for the removal of the finished products,
wherein the plate presses are associated with a longitudinal pressing of the strands acting on the front sides of the strands Längspreßeinrichtung.

Bei einer aus DE 44 21 786 C1 bekannten Vorrichtung besteht die Transfereinrichtung aus einem keilförmigen Führungskanal, in den mehrere parallele Stränge aus Holzlamellen einlaufen, wobei die zuvor beleimten Längskanten der Stränge sich aneinander anlegen. An einem Anschlag erfolgt eine Ausrichtung der Stränge in Längsrichtung. Mittels einer Hebeeinrichtung wird die aus mehreren parallelen Strängen bestehende Lamellenanordnung auf einem Förderband einer Plattenpresse abgelegt. Auf dem Förderband finden eine Mehrzahl von Lamellenanordnungen Platz. Diese werden in der Plattenpresse gemeinsam verpreßt, wobei die Lamellenanordnungen zur fugendichten Anlage der einzelnen Lamellen in Längs- und Querrichtung gegeneinander vorgepreßt werden und erst anschließend die Fertigpressung mittels einer die Ober- und Unterseite der Stränge beaufschlagenden Fertigpreßeinrichtung erfolgt.In one known from DE 44 21 786 C1 device the transfer device consists of a wedge-shaped guide channel, in the several parallel strands of wooden slats shrink, wherein the previously glued longitudinal edges of the Strands create each other. At a stop occurs an alignment of the strands in the longitudinal direction. through a lifting device is made of several parallel Strands existing lamellar arrangement on a conveyor belt filed a plate press. Find on the conveyor belt a plurality of fin arrangements space. These will pressed together in the plate press, the lamellae for joint-tight installation of the individual slats in the longitudinal and transverse directions against each other pre-pressed and then the final pressing by means of one acting on the top and bottom of the strands Fertigpreßeinrichtung done.

Oberlagen für Mehrschichtenparkettdielen bestehen aus hochwertigen Hölzern. Sie müssen mit hoher Präzision hergestellt werden, um ein präzises Anliegen der Lamellen des Parketts zu gewährleisten und um Spalten zwischen den einzelnen Lamellen zu vermeiden. Unregelmäßigkeiten am Umfang einzelner Lamellen und/oder Fremdkörper, die zwischen Lamellen eingeklemmt sind, stören den Aufbau eines einheitlichen Preßdrucks an den Längskanten und können die Verpressung der Charge beeinträchtigen. Unregelmäßigkeiten an einzelnen Lamellen wirken sich dabei um so mehr aus, je größer die Fläche ist, die in einem Hub verpreßt wird. Eine Parallelschaltung mehrerer kleiner Pressen mit jeweils einer zugeordneten Transporteinrichtung für die Strangzuführung sowie einer zugeordneten Fördereinrichtung für den Abtransport der Fertigerzeugnisse ist anlagentechnisch sehr aufwendig, erfordert einen hohen Platzbedarf und eine große Zahl an Bedienungspersonal. Top layers for multi-layer parquet planks are made of high quality Wooden. They have to be manufactured with high precision to be a precise concern of the slats of the To ensure parquet and to columns between each To avoid fins. Irregularities on the circumference single lamellae and / or foreign bodies, between lamellae are trapped, disrupt the construction of a unified Pressing pressure on the longitudinal edges and can the Pressing the batch affect. irregularities on individual lamellae are the more effective, depending larger is the area that is compressed in a stroke. A Parallel connection of several small presses, each with an associated transport device for the strand feed and an associated conveyor for the removal of the finished products is technical very expensive, requires a lot of space and a large number of operators.

Der Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung anzugeben, die bei hoher Produktionsleistung eine Einzelpressung von Oberlagen für Mehrschichtenparkettdielen ermöglicht.The invention is based on the object, a device indicate that at high production output a single pressing of top layers for multi-layer parquet planks.

Ausgehend von einer Vorrichtung des eingangs beschriebenen Aufbaus wird die Aufgabe erfindungsgemäß dadurch gelöst, daß die Plattenpressen am Umfang einer drehbar gelagerten Trommel angeordnet sind, wobei die Pressenkammern der Plattenpressen sich in einer Arbeitsstation zur Trommelaußenseite und zur Trommelinnenseite hin öffnen, daß die Transfereinrichtung sowie die Fördereinrichtung für den Abtransport der Fertigerzeugnisse auf gleicher Förderebene trommelaußenseitig und trommelinnenseitig an die Arbeitsstation anschließen, wobei durch eine Stellbewegung der Transfereinrichtung quer zur Strangzuführung eine vorgegebene Anzahl Stränge unter paralleler Ausrichtung in die geöffnete Pressenkammer einer in der Arbeitsstation positionierten Plattenpresse einführbar sind sowie mit der Einschubbewegung der Stränge ein Fertigerzeugnis aus der Pressenkammer auf die Fördereinrichtung zum Abtransport ausschiebbar ist und wobei die Plattenpressen durch eine schrittweise ausgeführte Drehbewegung der Trommel nacheinander in die Arbeitsstation bewegbar sind und bei geschlossener Fertigpreßeinrichtung während einer Drehbewegung der Trommel die Fertigpressen unter Wärme ausführbar ist. Vorzugsweise sind die Plattenpressung in äquidistanten Abständen am Umfang der Trommel angeordnet. Starting from a device of the type described above Structure, the object is achieved according to the invention, that the plate presses on the circumference of a rotatably mounted Drum are arranged, wherein the press chambers of the plate presses in a workstation to the drum outside and open to the drum inside, that the transfer device and the conveyor for removal of the finished products at the same level of funding drum outside and drum inside the workstation connect, whereby by an adjusting movement of Transfer device transverse to the strand feed a predetermined Number of strands under parallel alignment in the open press chamber of a positioned in the workstation Plate press are insertable and with the insertion movement the strands a finished product from the Press chamber on the conveyor for removal is pushed out and where the plate presses by a Step by step rotation of the drum in succession are movable in the workstation and closed Fertigpreßeinrichtung during a rotary motion the drum the finished presses under heat executable is. Preferably, the plate pressing in equidistant Interspaces arranged on the circumference of the drum.

Im Rahmen der Erfindung liegt es, daß die Trommel eine Drehbewegung nur in einer Drehrichtung oder Drehbewegungen mit wechselnder Drehrichtung ausführt. In weiterer Ausgestaltung lehrt die Erfindung daher, daß die Plattenpressen durch eine schrittweise ausgeführte Rotation der Trommel in einer Drehrichtung nacheinander in die Arbeitsstation bewegbar sind und bei geschlossener Fertigpreßeinrichtung während einer Vollumdrehung der Trommel die Fertigpressung unter Wärme ausführbar ist. Eine andere Ausführung der Erfindung sieht vor, daß die Trommel eine Drehbewegung mit wechselnder Drehrichtung ausführt, wobei die Plattenpressen mit der Drehbewegung in einer ersten Drehrichtung nacheinander der Arbeitsstation vorgestellt werden und anschließend die zuerst beschickte Plattenpresse durch eine Rückstellbewegung der Trommel wieder in die Arbeitsstation bewegt wird.In the context of the invention it is that the drum a Rotary movement only in one direction of rotation or rotational movements with alternating direction of rotation. In a further embodiment teaches the invention, therefore, that the plate presses through a gradual rotation of the drum in one direction of rotation in the work station successively movable are and closed Fertigpreßeinrichtung during one full turn of the drum the finishing pressure is carried out under heat. Another version of the Invention provides that the drum with a rotational movement changing direction of rotation executes, with the plate presses with the rotational movement in a first direction of rotation successively the workstation are presented and then the first loaded plate press by a Return movement of the drum back to the workstation is moved.

Die Fördereinrichtung für den Abtransport der Fertigerzeugnisse ist zweckmäßig trommelinnenseitig angeordnet und weist eine Stelleinrichtung auf, welche den Abstand der Auflagefläche zur Pressenkammer entsprechend dem Arbeitstakt der Plattenpresse verändert. Bei geöffneter Pressenkammer einer in der Arbeitsstation positionierten Plattenpresse schließt die Auflagefläche der Fördereinrichtung dicht an die untere Preßplatte der Plattenpresse an. Nach Aufnahme des Fertigerzeugnisses wird die Auflagefläche von der Preßplatte abgerückt, wobei zwischen dem Fertigerzeugnis und den in die Pressenkammer eingeschobenen Lamellensträngen eine Lücke erzeugt wird. Danach kann das Fertigerzeugnis abgeführt und in der Arbeitsstation ein neuer Preßvorgang durch Betätigung der Vorpreßeinrichtung sowie durch Längsverpressung der in der Pressenkammer positionierten Stränge eingeleitet werden.The conveyor for the removal of the finished products is expedient drum inside arranged and has an adjusting device, which the distance of Support surface to the press chamber according to the power stroke the plate press changed. When the press chamber is open a platen press positioned in the workstation closes the bearing surface of the conveyor close to the lower press plate of the plate press. To Receiving the finished product will be the bearing surface of the press plate moved away, being between the finished product and the slat strands inserted into the press chamber a gap is created. After that, the finished product can dissipated and a new in the workstation Pressing operation by pressing the Vorpreßeinrichtung and by longitudinal compression of the positioned in the press chamber Strands are initiated.

Im Rahmen der Erfindung liegt es, daß alle am Umfang der Trommel angeordneten Plattenpressen eine Längspreßeinrichtung aufweisen. Gemäß einer bevorzugten Ausführung der Erfindung ist jedoch nur eine Längspreßeinrichtung vorgesehen, die maschinenfest in der Arbeitsstation angeordnet ist. Die Längspreßeinrichtung ist zweckmäßig als pneumatische Druckeinrichtung ausgebildet, wobei jedem Strang, der in der Pressenkammer einer Plattenpresse positioniert ist, der Druckstößel einer Zylinder-Kolbenanordnung zur Verdichtung des Stranges zugeordnet ist. Die Verdichtung des Stranges in Längsrichtung schließt die nicht miteinander verleimten Fugen zwischen den einzelnen Lamellen eines Stranges.In the context of the invention it is that all the circumference of Drum-mounted plate presses a Längspreßeinrichtung exhibit. According to a preferred embodiment of Invention, however, only one longitudinal pressing device is provided, the machine fixed in the workstation arranged is. The Längspreßeinrichtung is expedient as a pneumatic Pressure device is formed, each strand, which is positioned in the press chamber of a platen press is the plunger of a cylinder-piston assembly for Compaction of the strand is assigned. The compression the strand in the longitudinal direction does not close to each other glued joints between the individual slats a strand.

Die Transfereinrichtung weist gemäß einer bevorzugten Ausführung der Erfindung einen Schieber und eine oberseitige Abdeckung zur Führung der die Stränge bildenden Lamellen auf. Die Querbewegung der Stränge von der Strangzuführung zur Pressenkammer erfolgt zweckmäßig unter einem leichten Oberdruck, um ein Verkanten und Übereinanderschieben der Lamellen auszuschließen.The transfer device has according to a preferred embodiment the invention a slider and a top side Cover for guiding the strands forming the strands on. The transverse movement of the strands from the strand feed to the press chamber is advantageously carried out under a light Top pressure, to tilting and sliding over the Exclude slats.

Die erfindungsgemäße Vorrichtung zeichnet sich dadurch aus, daß die Oberlagen für Mehrschichtenparkettdielen, die aus wenigen parallelen Lamellensträngen bestehen und eine Länge von zumeist 1,5 bis 3 m aufweisen, einzeln verpreßt werden können, wobei aufgrund der erfindungsgemäßen Anordnung eine hohe Durchsatzleistung erreichbar ist. Eine weitere Durchsatzsteigerung ist möglich, wenn gemäß einer weiteren Ausführung der Erfindung zwei Arbeitsstationen diametral am Umfang der Trommel angeordnet sind, wobei jeder Arbeitsstation eine Transfereinrichtung sowie eine Fördereinrichtung für den Abtransport der Fertigerzeugnisse zugeordnet ist. Bei dieser Ausführung der Erfindung sind am Umfang der Trommel eine gerade Anzahl von Plattenpressen mit jeweils einem trommelfesten Auflagetisch sowie einer vertikal verstellbaren Preßplatte angeordnet, wobei die in der Folge benachbarten Plattenpressen zueinander spiegelsymmetrische Preßplattenanordnungen aufweisen und die Preßplattenanordnungen der ersten Art an jeweils einer Arbeitsstation positioniert werden und die dazu spiegelsymmetrischen Preßplattenanordnungen an der anderen Arbeitsstation positioniert werden. Vorzugsweise sind die Plattenpressen auch bei dieser Ausführung in äquidistanten Abständen angeordnet und erfolgt die Betätigung der in den beiden Arbeitsstationen positionierten Plattenpressen synchron.The device according to the invention is characterized that the top layers for multi-layer parquet planks that off consist of a few parallel lamellar strands and a length of usually 1.5 to 3 m, be pressed individually can, due to the inventive arrangement a high throughput is achievable. Another Throughput increase is possible if, according to another Embodiment of the invention, two workstations diametrically on Scope of the drum are arranged, each workstation a transfer device and a conveyor assigned for the removal of the finished products is. In this embodiment of the invention are on the periphery of Drum an even number of plate presses each with a drum-resistant support table and a vertically adjustable Preßplatte arranged, in the consequence adjacent plate presses to each other mirror-symmetrical Preßplattenanordnungen have and the Preßplattenanordnungen the first type positioned on each workstation and the mirror-symmetrical Preßplattenanordnungen positioned at the other workstation become. Preferably, the plate presses are also at this embodiment arranged at equidistant intervals and the actuation takes place in the two workstations positioned plate presses synchronously.

Die Plattenpressen sind als modulare Einheiten ausführbar. Sie weisen gemäß einer bevorzugten Ausführung der Erfindung jeweils einen Auflagetisch mit einer Auflagefläche für das Preßgut, einen Pressentisch und eine gegen das Preßgut bewegbare Preßplatte auf, wobei die Preßplatte durch Zylinder-Kolbenanordnungen an den Pressentisch angeschlossen ist und wobei der Auflagetisch und der Pressentisch durch eine Mehrzahl von in Längsrichtung der Plattenpresse angeordneten Zugelementen gegeneinander arretierbar sind. Die Preßdrücke übertragen sich folglich nicht auf die Trommel. Die Zugelemente bestehen zweckmäßigerweise aus Klammern, die schwenkbeweglich an den Pressentisch angeschlossen und durch Zylinder-Kolbenanordnungen betätigbar sind.The plate presses are executable as modular units. They have according to a preferred embodiment of the invention each a support table with a support surface for the Pressed material, a press table and one against the pressed material movable press plate, wherein the press plate by cylinder-piston assemblies connected to the press table and wherein the support table and the press table by a Plural arranged in the longitudinal direction of the platen press Tensile elements are locked against each other. The Consequently, compressive pressures do not transfer to the drum. The tension elements are expediently made of brackets, the pivotally connected to the press table and can be actuated by cylinder-piston assemblies.

Im folgenden wird die Erfindung anhand einer lediglich ein Ausführungsbeispiel darstellenden Zeichnung ausführlich erläutert. Es zeigen in schematischer Darstellung

Fig. 1
die Draufsicht auf eine Vorrichtung zur Herstellung von Oberlagen für Mehrschichtenparkettdielen,
Fig. 2
den Schnitt A-A aus Fig. 1,
Fig. 3
eine weitere Ausführung der in Fig. 1 dargestellten Vorrichtung, ebenfalls in der Draufsicht,
Fig. 4
den Schnitt B-B aus Fig. 3.
In the following the invention will be explained in detail with reference to a drawing showing only one embodiment. It show in a schematic representation
Fig. 1
the top view of an apparatus for producing top layers for multi-layer parquet planks,
Fig. 2
the section AA of Fig. 1,
Fig. 3
FIG. 2 shows a further embodiment of the device shown in FIG. 1, likewise in plan view,
Fig. 4
the section BB of Fig. 3.

Zum grundsätzlichen Aufbau der in den Figuren dargestellten Vorrichtung gehören eine Transporteinrichtung 1 für die Zuführung von Strängen 2 aus Holzlamellen 3, eine Kantenbeleimeinrichtung 4, eine an die Transporteinrichtung 1 anschließende Transfereinrichtung 5 für die seitliche Zusammenführung der Stränge 2, eine im folgenden noch näher erläuterte Anordnung aus mehreren beheizbaren Plattenpressen 6 sowie eine Fördereinrichtung 7 für den Abtransport der Fertigerzeugnisse 8.For the basic structure of the illustrated in the figures Device includes a transport device 1 for the supply of strands 2 of wooden slats 3, a Kantenbeleimeinrichtung 4, one subsequent to the transport device 1 Transfer device 5 for lateral merge the strands 2, one explained in more detail below Arrangement of several heatable plate presses 6 and a conveyor 7 for the removal of the Finished products 8.

Die Anordnung der Plattenpressen 6 wird aus einer vergleichenden Betrachtung der Fig. 1 und 2 verständlich. Am Umfang einer rotierend antreibbaren Trommel 9 sind in äquidistanten Abständen mehrere Plattenpressen 6 mit jeweils einem trommelfesten Auflagetisch 10 sowie einer vertikal verstellbaren Preßplatte 11 angeordnet, wobei die Pressenkammern 12 der Plattenpressen 6 in einer Arbeitsstation A sich zur Trommelaußenseite und zur Trommelinnenseite hin öffnen. Die Transfereinrichtung 5 sowie die Fördereinrichtung 7 für den Abtransport der Fertigerzeugnisse 8 schließen auf gleicher Förderebene trommelaußenseitig und trommelinnenseitig an die Arbeitsstation A an. Durch eine Stellbewegung der Transfereinrichtung 5 quer zur Strangzuführung wird eine vorgegebene Anzahl Stränge 2 aus jeweils mehreren gereiht angeordneten Holzlamellen 3 unter paralleler Ausrichtung nacheinander in die geöffneten Pressenkammer 12 einer in der Arbeitsstation A positionierten Plattenpresse 6 eingeführt. Mit der Einschubbewegung der Stränge 2 wird ein Fertigerzeugnis 8 aus der Pressenkammer 12 auf die benachbarte Fördereinrichtung 7 zum Abtransport ausgeschoben. Die Plattenpressen 6 sind durch eine Rotation der Trommel 9 nacheinander in die Arbeitsstation A bewegbar. Es versteht sich, die Rotation der Trommel 9 schrittweise erfolgt, also die Plattenpressen 6 in der Arbeitsstation A verweilen. Während einer Vollumdrehung der Trommel 9 ist die Fertigpressung in den geschlossenen Plattenpressen 6 unter Wärme ausführbar.The arrangement of the plate presses 6 is made of a comparative Consideration of Figs. 1 and 2 understandable. At the Scope of a rotating drivable drum 9 are in equidistant Distances several plate presses 6 each a drum-resistant support table 10 and a vertical arranged adjustable press plate 11, wherein the press chambers 12 of the plate presses 6 in a workstation A towards the outside of the drum and towards the inside of the drum to open. The transfer device 5 and the conveyor 7 for the removal of the finished products 8 Close on the same conveyor level drum outside and drum inside the workstation A. By a Actuating movement of the transfer device 5 transversely to the strand feed is a predetermined number strands 2 from each several arranged wooden slats 3 under parallel Align one after the other in the open press chamber 12 of a positioned in the workstation A. Plate press 6 introduced. With the insertion movement of Strands 2 is a finished product 8 from the press chamber 12 on the adjacent conveyor 7 for removal ejected. The plate presses 6 are rotated the drum 9 in succession in the work station A movable. It is understood, the rotation of the drum 9 gradually takes place, so the plate presses 6 in the workstation A linger. During a full turn of the Drum 9 is the finished pressing in the closed Plate press 6 under heat executable.

Im Rahmen der Erfindung liegt es auch, daß die Trommel 9 eine Drehbewegung mit wechselnder Drehrichtung ausführt, wobei die Plattenpressen 6 mit der Drehbewegung in einer ersten Drehrichtung nacheinander der Arbeitsstation A vorgestellt werden und anschließend die zuerst beschickte Plattenpresse 6 durch eine Rückstellung der Trommel 9 wieder in die Arbeitsstation A bewegt wird.In the context of the invention, it is also that the drum 9 performs a rotational movement with alternating direction of rotation, wherein the plate presses 6 with the rotational movement in one first direction of rotation of the workstation A presented and then the first loaded Platen press 6 by a provision of the drum. 9 is moved back to the workstation A.

Die Plattenpressen 6 weisen jeweils eine in Querrichtung der Stränge 2 wirkende Vorpreßeinrichtung 13, z.B. in Form verschwenkbarer Druckplatten, sowie eine die Ober- und Unterseite der Stränge 2 beaufschlagende Fertigpreßeinrichtung 14 auf. Ferner ist in der Arbeitsstation A eine Längspreßeinrichtung 15 angeordnet. Sie ist als pneumatische Druckeinrichtung ausgebildet und weist eine Mehrzahl von pneumatischen Zylinder-Kolbenanordnungen 16 auf, wobei jedem Strang 2 einer in der Pressenkammer 12 positionierten Lamellenanordnung ein Druckstößel zur Verdichtung des Stranges 2 zugeordnet ist.The plate presses 6 each have one in the transverse direction the strands 2 acting pre-pressing device 13, e.g. in shape pivotable printing plates, as well as the upper and Bottom of the strands 2 acting Fertigpreßeinrichtung 14 on. Further, in the workstation A is a Längspreßeinrichtung 15 arranged. It is as pneumatic Pressure device formed and has a plurality of pneumatic cylinder-piston assemblies 16, wherein each strand 2 of a positioned in the press chamber 12 Slat arrangement a pressure ram for compression of the Stranges 2 is assigned.

Die Fördereinrichtung 7 für den Abtransport der Fertigerzeugnisse 8 ist trommelinnenseitig angeordnet und weist eine im einzelnen nicht dargestellte Stelleinrichtung auf, welche den Abstand der Auflagefläche zur Pressenkammer 12 entsprechend dem Arbeitstakt der Plattenpresse 6 verändert. Bei der Übergabe des Fertigerzeugnisses 8 aus der Pressenkammer 12 auf die Fördereinrichtung 7 ist die Auflagefläche dicht an die Preßplatte 11 der in der Arbeitsstation A positionierten Plattenpresse 6 herangefahren. Nach Übernahme des Fertigerzeugnisses 8 wird die Auflagefläche von dem Auflagetisch 10 abgerückt, wobei zwischen dem Fertigerzeugnis 8 und den in die Pressenkammer 12 eingeschobenen, noch zu verpressenden Stränge 2 eine Lücke entsteht und das Fertigerzeugnis 8 abtransportiert sowie die Vorpreßeinrichtung 13 wieder betätigt werden kann.The conveyor 7 for the removal of the finished products 8 is arranged drum inside and has a not shown in detail adjusting device, which the distance of the support surface to the press chamber 12th changed according to the power stroke of the platen press 6. When transferring the finished product 8 from the press chamber 12 on the conveyor 7 is the support surface close to the pressure plate 11 in the work station A. moved up positioned platen press 6. To Takeover of the finished product 8 becomes the bearing surface moved away from the support table 10, wherein between the Finished product 8 and in the press chamber 12th inserted, still to be pressed strands 2 a gap arises and the finished product 8 transported away and the pre-pressing device 13 can be operated again.

Die Transfereinrichtung 5 weist im Ausführungsbeispiel einen Schieber 17 sowie eine oberseitige Abdeckung zur Führung der Stränge 2 auf.The transfer device 5 has in the embodiment a slider 17 and a top cover for Guide the strands 2 on.

Die Plattenpressen 6 sind als modulare Einheiten aufgebaut. Sie weisen jeweils einen Auflagetisch 10 mit einer Auflagefläche für das Preßgut, einen Pressentisch 18 und eine gegen das Preßgut bewegbare Preßplatte 11 auf. Die Preßplatte 11 ist durch Zylinder-Kolbenanordnungen 19 an dem Pressentisch 18 angeschlossen. Der Auflagetisch 10 und der Pressentisch 18 sind durch eine Mehrzahl von in Längsrichtung der Plattenpresse 6 angeordneten Zugelementen 20 gegeneinander arretierbar. Die Zugelemente 20 bestehen aus Klammern, die schwenkbeweglich an den Pressentisch 18 angeschlossen und durch Zylinder-Kolbenanordnungen 21 betätigbar sind.The plate presses 6 are constructed as modular units. They each have a support table 10 with a support surface for the pressed material, a press table 18 and a against the pressed material movable pressing plate 11. The press plate 11 is by cylinder-piston assemblies 19 at the Press table 18 connected. The support table 10 and the Press table 18 are by a plurality of longitudinally the platen press 6 arranged tension elements 20th locked against each other. The tension elements 20 consist of Clamps pivotally connected to the press table 18 and operable by cylinder-piston assemblies 21 are.

Die erfindungsgemäße Vorrichtung arbeitet folgendermaßen. Stränge 2 aus jeweils mehreren Holzlamellen 3 werden an der Kantenbeleimeinrichtung 4 vorbeigeführt, wobei die miteinander zu verbindenden Längskanten der Stränge 2 mit einem unter Wärme aushärtenden Heißleim (PVAC oder Harnstoff-Harzleim) bestrichen werden. Die Stränge 2 werden nacheinander mittels der Transfereinrichtung 5 seitlich verschoben und in die geöffnete Pressenkammer 12 einer in der Arbeitsstation A positionierten Plattenpresse 6 eingeschoben. Die Schiebevorgänge erfolgen unter leichtem oberseitigen Druck, so daß die Holzlamellen 3 nicht verkanten oder sich übereinanderschieben. Die in die geöffnete Pressenkammer 12 eingeschobenen Stränge 2 verdrängen das in der Pressenkammer 12 noch enthaltene Fertigerzeugnis 8, welches auf die benachbarte Fördereinrichtung 7 aufgeschoben wird. Nachdem eine vorgegebene Anzahl paralleler Stränge 2 in die Pressenkammer 12 eingebracht worden ist, werden die Vorpreßeinrichtung 13 der Plattenpresse 6 sowie die Längspreßeinrichtung 15 betätigt, wobei durch die Verdichtung in Quer- und Längsrichtung Fugen geschlossen und die für die Verleimung erforderlichen Kantenpressungen erzeugt werden. Die Fertigpreßeinrichtung 14 wird anschließend geschlossen, wodurch die Lage aller Holzlamellen 3 fixiert ist. Nach Lösen der Längspreßeinrichtung 15, im übrigen aber bei geschlossener Pressenkammer 12, wird die Trommel 9 in Rotation versetzt, wobei die in Umfangsrichtung nachfolgende Pressenkammer 12 in die Arbeitsstation A eingeführt wird. Die Plattenpressen 6 sind beheizt. Während einer Vollumdrehung der Trommel 9 härtet der Leim der in der Pressenkammer 12 eingespannten Lamellenanordnung aus. Nach einer Vollumdrehung wird die Pressenkammer 12 wieder geöffnet und das Fertigerzeugnis 8 in der schon beschriebenen Weise an die Fördereinrichtung 7 zum Abtransport des Fertigerzeugnisses 8 übergeben.The device according to the invention operates as follows. Strands 2 each of several wooden slats 3 are at the Kantenbeleimeinrichtung 4 passed, with each other to be joined longitudinal edges of the strands 2 with a thermosetting hot glue (PVAC or urea resin glue) be painted. The strands 2 are successively laterally displaced by means of the transfer device 5 and into the open press chamber 12 of one in the workstation A positioned platen press 6 inserted. The Sliding operations are carried out under slight top pressure, so that the wooden slats 3 do not tilt or themselves slide over each other. The in the open press chamber 12th inserted strands 2 displace that in the Press chamber 12 still contained finished product 8, which is pushed onto the adjacent conveyor 7. After a predetermined number of parallel strands 2 in the Press chamber 12 has been introduced, the Prepressing device 13 of the platen press 6 and the Längspreßeinrichtung 15 actuated, wherein by the Compaction in transverse and longitudinal joints closed and the edge pressure required for gluing be generated. The Fertigpreßeinrichtung 14 is subsequently closed, reducing the location of all Wooden slats 3 is fixed. After loosening the Längspreßeinrichtung 15, but otherwise closed Press chamber 12, the drum 9 is rotated, wherein the circumferentially subsequent press chamber 12th is introduced into the workstation A. The plate presses 6 are heated. During a full rotation of the drum 9 hardens the glue clamped in the press chamber 12 Slat arrangement off. After a full turn, the Press chamber 12 opened again and the finished product 8 in the manner already described to the conveyor 7th to transfer the finished product 8 handed over.

Bei der in den Fig. 3 und 4 dargestellten Ausführung sind zwei Arbeitsstationen A, A' diametral am Umfang der Trommel 9 angeordnet. Jeder Arbeitsstation A, A' ist eine Transfereinrichtung 5 sowie eine Fördereinrichtung 7 für den Abtransport der Fertigerzeugnisse 8 zugeordnet. Der Fig. 4 entnimmt man, daß am Umfang der Trommel 9 eine gerade Anzahl von Plattenpressen 6, 6' mit jeweils einem trommelfesten Auflagetisch 10, einem gegen den Auflagetisch verklammerbaren Pressentisch 18 sowie einer vertikal verstellbaren Preßplatte 11 angeordnet sind. Man erkennt auch, daß die in der Folge benachbarten Plattenpressen 6, 6' zueinander spiegelsymmetrische Preßplattenanordnungen aufweisen und die Preßplattenanordnungen der ersten Art an jeweils einer Arbeitsstation A positioniert werden und die dazu spiegelsymmetrischen Preßplattenanordnungen an der anderen Arbeitsstation A' positioniert werden. Stets schließt der trommelfeste Auflagetisch 10 in der zugeordneten Arbeitsstation A, A' bündig mit der Förderebene ab. Die Plattenpressen 6, 6' sind, bezogen auf die Auflagefläche des Auflagetisches 10, in äquidistanten Abständen angeordnet, so daß in den Arbeitsstationen A, A' gleichzeitig jeweils eine Plattenpresse 6, 6' positioniert ist und die Arbeitsvorgänge in den Arbeitsstationen A'A' synchron ablaufen.In the embodiment shown in Figs. 3 and 4 are two workstations A, A 'diametrically on the circumference of the drum 9 arranged. Each work station A, A 'is a transfer device 5 and a conveyor 7 for removal the finished products 8 assigned. FIG. 4 one takes that on the circumference of the drum 9 is a straight Number of plate presses 6, 6 ', each with a drum-resistant Support table 10, one clamped against the support table Press table 18 and a vertically adjustable Preßplatte 11 are arranged. One recognizes also that the adjacent adjacent plate presses 6, 6 'to each other have mirror-symmetrical Preßplattenanordnungen and the Preßplattenanordnungen the first kind of each a workstation A are positioned and the mirror symmetric Preßplattenanordnungen on the other Workstation A 'are positioned. Always closes the drum-resistant support table 10 in the assigned Workstation A, A 'flush with the conveyor plane. The Plate presses 6, 6 ', based on the support surface of the support table 10, at equidistant intervals arranged so that in the workstations A, A 'at the same time in each case a platen press 6, 6 'is positioned and the operations in the workstations A'A ' run synchronously.

Claims (11)

  1. A device for producing top layers for multilayer parquet floor boards, comprising
    transport device (1) for the supply of trains (2) of wood lamellae (3);
    edge gluing device (4);
    transfer device (5), downstream of the transport device (1) for lateral bringing together of the trains (2);
    several heatable board presses (6, 6'), in each instance comprising a pre-press device (13) which acts in transverse direction of the trains (2) as well as a finish press device (14) which acts on the top and bottom of the trains (2); and
    conveyor device (7) for removing the finished products (8);
    wherein a longitudinal press device (15) which acts in longitudinal direction of the trains (2) and which acts upon the face ends of the trains (2) is associated with the board presses (6, 6'), characterised in that the board presses (6, 6') are arranged at the circumference of a rotatably held cylinder (9), wherein the press chambers (12) of the board presses (6, 6') in a work station (A, A') open up towards the outside of the cylinder and towards the inside of the cylinder, that the transfer device (5) and the conveyor device (7) for removing the finished products (8) outside the cylinder and inside the cylinder connect to the work station (A, A') on the same conveying plane, wherein by way of an actuator movement of the transfer device (5) transversely to the train supply, a specified number of trains (2) can be inserted while aligned parallel, to the open press chamber (12) of a board press (6, 6') positioned in the work station (A, A'), and with the slide-in movement of the trains (2) a finished product (8) can be pushed from the press chamber (12) onto the conveyor device (7) for removal, and wherein the board presses (6, 6') as a result of a step-by-step rotary movement of the cylinder (9) can be moved into the work station (A, A') one after the other, and finish pressing can be carried out, with the application of heat, during a rotary movement of the cylinder (9) while the finish press device (14) is closed.
  2. The device according to claim 1, characterised in that through a step-by-step rotation of the cylinder (9) in one direction of rotation, the board presses (6, 6') one after the other can be moved into the work station (A, A') and with the finish press device (14) closed, finish pressing with the application of heat can be carried out during a full rotation of the cylinder (9).
  3. The device according to claim 1, characterised in that the cylinder (9) rotates in alternate directions of rotation, wherein the board presses (6, 6') with rotation in a first direction of rotation are placed in front of the work station (A, A') one after the other and subsequently the first-loaded board press (6, 6') is returned to the work station (A, A') by a return movement of the cylinder (9).
  4. The device according to any one of claims 1 to 3, characterised in that the conveyor device (7) for removal of the finished products (8) is arranged on the inside of the cylinder and comprises an actuator device which varies the distance between the support surface and the press chamber (12) according to the work cycle of the board press (6, 6').
  5. The device according to any one of claims 1 to 4, characterised in that the longitudinal press device (15) is arranged in the work station (A, A') so as to be fixed in relation to the machine.
  6. The device according to any one of claims 1 to 5, characterised in that the longitudinal press device (15) is a pneumatic pressure device, wherein each train (2) which is positioned in the press chamber (12) of a board press (6, 6') is associated with the pressure plunger of a cylinder-piston arrangement (16) for compressing the train (2).
  7. The device according to any one of claims 1 to 6, characterised in that the transfer device (5) comprises a slide (17) and a top cover for guiding the trains (2).
  8. The device according to any one of claims 1 to 7, characterised in that two work stations (A, A') are diametrically arranged at the circumference of the cylinder (9), wherein a transfer device (5) and a conveyor device (7) for removing the finished products (8) are associated with each work station (A, A'), and in that at the circumference of the cylinder (9) an even number of board presses (6, 6'), each with a support table (10) fixed in relation to the cylinder, as well as a vertically adjustable press plate (11) are arranged, wherein the subsequent adjacent board presses (6, 6') comprise press plate arrangements which are axially symmetrical in relation to each other, and in each instance the press plate arrangements of the first type are positioned on a work station (A), and the press plate arrangements which are axially symmetrical to them are positioned on the other work station (A').
  9. The device according to any one of claims 1 to 8, characterised in that the board presses (6, 6') are arranged at equidistant spacing, and in that activation of the board presses (6, 6') positioned in the work stations (A, A') takes place synchronously.
  10. The device according to any one of claims 1 to 9, characterised in that each of the board presses (6, 6') as modular units comprises a support table (10) with a support surface for the material to be pressed, a press table (18) and a press plate (11) which can be moved towards the material to be pressed, wherein the press plate (11) is connected to the press table (18) by way of cylinder-piston arrangements (19), and wherein the support table (10) and the press table (18) are lockable in relation to each other by means of a plural number of tension elements (20) arranged in longitudinal direction of the board press.
  11. The device according to claim 10, characterised in that the tension elements (20) comprise clamps which are swivellably connected to the press table (18) and are activatable by way of cylinder-piston arrangements (21).
EP98123209A 1998-02-26 1998-12-05 Apparatus for producing a top layer for laminated parquet flooring Expired - Lifetime EP0938957B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19808010 1998-02-26
DE19808010 1998-02-26
DE19812478A DE19812478C1 (en) 1998-02-26 1998-03-21 press for plywood floor tiles
DE19812478 1998-03-21

Publications (3)

Publication Number Publication Date
EP0938957A2 EP0938957A2 (en) 1999-09-01
EP0938957A3 EP0938957A3 (en) 2004-03-31
EP0938957B1 true EP0938957B1 (en) 2005-07-06

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Application Number Title Priority Date Filing Date
EP98123209A Expired - Lifetime EP0938957B1 (en) 1998-02-26 1998-12-05 Apparatus for producing a top layer for laminated parquet flooring

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AT (1) ATE299085T1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109732935B (en) * 2019-02-28 2024-03-29 济南微尔激光设备有限公司 Automatic edge covering equipment

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI92026C (en) * 1992-11-06 1994-09-26 Risto Pitkaenen gluing Press
US5505812A (en) * 1994-01-18 1996-04-09 James L. Taylor Mfg. Co., Inc. Articulated glue applicator conveyor
DE4421786C1 (en) * 1994-06-22 1996-02-01 Wild Maschinen Gmbh Method and device for producing a top layer for finished parquet

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ATE299085T1 (en) 2005-07-15
EP0938957A2 (en) 1999-09-01

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