EP0974435A2 - Device for transferring glued plates to a veneering station - Google Patents

Device for transferring glued plates to a veneering station Download PDF

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Publication number
EP0974435A2
EP0974435A2 EP99113837A EP99113837A EP0974435A2 EP 0974435 A2 EP0974435 A2 EP 0974435A2 EP 99113837 A EP99113837 A EP 99113837A EP 99113837 A EP99113837 A EP 99113837A EP 0974435 A2 EP0974435 A2 EP 0974435A2
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EP
European Patent Office
Prior art keywords
clipboard
plate
station
feed conveyor
veneer
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP99113837A
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German (de)
French (fr)
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EP0974435A3 (en
EP0974435B1 (en
Inventor
Hans Bohn
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Robert Buerkle GmbH
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Robert Buerkle GmbH
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Publication of EP0974435A3 publication Critical patent/EP0974435A3/en
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Publication of EP0974435B1 publication Critical patent/EP0974435B1/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
    • B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring

Definitions

  • the invention relates to a device for transferring adhesive Panels from a feed conveyor to a veneer station, one movable clipboard at least one plate from the feed conveyor removed and moved towards the veneer station.
  • the plates in question are generally on both sides Adhesive, especially glue, coated so that it can be attached of the cover layers in a plate press under the influence of heat and Pressure can be pressed into a composite body.
  • the clipboard always carries with it a storage area a plate from the feed conveyor to the intermediate station, with its other shelf a plate from the intermediate station to Veneer station.
  • the path the plates take from the feed conveyor to the Intermediate station and then from the intermediate station to the veneer station cover is always the same length, since the two storage surfaces of the Clipboard are mounted in the same frame.
  • the object of the present invention is that improve known transfer device in that it for different plate sizes can be used without doing the above Having to accept disadvantages.
  • the Characterize invention with a high conveying speed.
  • This object is achieved in that the movable Clipboard places the plate on another clipboard that is movable relative to the first clipboard and the plate in the veneer station promoted.
  • the essence of the invention is, therefore, the two storage surfaces to become independent clipboard, so that two receives independently working units.
  • the transfer device is therefore much more flexible and can be optimally adapted to the respective Plate sizes are adjusted, both with regard to their route, as well as their driving speed.
  • the two clipboards are so movable against each other that they are in one Position overlap one another, whereas in the other position they overlap Transfer area of the feed conveyor on the one hand or the veneer station on the other hand. Due to the contradiction and the common Overlap area can be very short cycle times and accordingly achieve high implementation capacities.
  • the specialist has various options. It is particularly favorable if the one clipboard is in one Movement direction extending vertical slot and in this The other clipboard is supported. Let it through Both clipboards are supported on the floor with short frames and there is no need for portal storage.
  • the vertical slot mentioned is expediently located in the downstream, second clipboard because then the first clipboard, which, in addition to the horizontal method, also vertical lifting movements must perform, supported in the center of the center of gravity can be. For the rest, both clipboards are supported through trolleys.
  • both clipboards can be moved vertically.
  • the downstream clipboard can only be moved horizontally and not vertically and the transfer of the board they carry to the veneer station by at least one adjustable stop behind the rear panel edge.
  • Preferably two swiveling stops are used, the Frame of the veneer station are stored.
  • Figures 1 to 5 show in the left part a feed conveyor 1, on which one-sided, mostly double-sided glued panels 2 arrive.
  • the feed conveyor 1 extends vertically to the drawing level and it consists of numerous, in the conveying direction with successive spiked rollers 1a.
  • Figures 1 to 5 show a veneer station 3, in which the plates 2 fit snugly on a ready covering layer be laid on and in most cases also the top of the Plate is covered with another top layer.
  • the onward transport of the such plates in the press are perpendicular to the plane of the drawing and is not shown any further.
  • Both clipboards are on trolleys 14 or 15 assembled and horizontally movable in the plane of the drawing, the first clipboard 4 also in the vertical direction.
  • the glued panels 2 from the feed conveyor 1 lifted and passed to the second clipboard 5. This then places the panels on a ready top layer in the veneer station 3 from. In general, this top layer is also there on one Conveyor belt, so that the coated plate is then in the press can be driven.
  • the clipboards 4 and 5 consist of rakes arranged Support arms 4a and 5a, which extend in the plane of the drawing and are spaced from each other perpendicular to the plane of the drawing.
  • FIG. 1 shows a plate 2 on the feed conveyor, under which clipboard 4 is already located.
  • This clipboard extends with their rake-like support arms 4a in the spaces between the spiked rollers 1a and can thus pass between them Drive up and lift out plate 2. This state is in Figure 2 shown.
  • both clipboards move outwards again, whereby the carrying arms 4a may still perform a slight lowering movement, to get below the level of the spiked rollers 1a, while the Support arms 5a preferably always maintain their height.
  • the support arms 5a have reached their desired position above the veneer station 3, so swivel stops 6 from the side or from above behind the rear edge the plate 2 - see Figure 5 - so that when moving back the support arms 5a stripped the plate and onto the one below it Top layer is deposited.
  • the support arms 5a are on it Top sloping down towards the free ends and the stops 6 make a slight downward movement when the support arms 5a are retracted, so that they remain in contact with the plate to be stripped.
  • the first clipboard lifts 4 the next plate out of the feed conveyor 1 and drives this to the right in the transfer position, as shown in Figure 3 is. As soon as the second clipboard 5 has also arrived there, the handover and subsequent transport continues in the described Way on.
  • the height of the first clipboard 4 is adjusted by an above of the carriage arranged lifting member, in particular a cylinder-piston unit.
  • FIG 6 shows a cross section through the two clipboards, wherein the feed conveyor is shown exaggerated for reasons of clarity becomes.
  • the first clipboard 4 can be seen below in the transverse direction continuous support arms 4a. Your storage on the trolley 14, which like said height must be adjustable, takes place in the middle via a carrier 4b.
  • the support arms 5a of the second clipboard 5 are not centrally, but at its two outer ends with the trolley 15 connected.
  • the support arms 5a do not run through, but leave in the middle Area a slot 7 running in the conveying direction is free.
  • This slot allows it, the central horizontal support 4b with its support arms 4a to move past the support arms 5a up or down and thus the lifting movement from the feed conveyor as well as the depositing movement to realize on the second clipboard.
  • the support arms 4a are dashed shown in an upper position 4a '.
  • the invention is therefore characterized by higher positioning accuracy, higher Working speed and optimal adaptation to different Plate sizes.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Veneer Processing And Manufacture Of Plywood (AREA)
  • Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
  • Labeling Devices (AREA)
  • Branching, Merging, And Special Transfer Between Conveyors (AREA)
  • Warehouses Or Storage Devices (AREA)

Abstract

A board (2), glued on the underside, is picked up from the platform (1a) by arms (4a) and a veneer sheet is held on another set of arms (5a). The board is deposited on the veneer by the arms (4a) passing through the arms (5a) and the board is transferred to the veneering press (3).

Description

Die Erfindung betrifft eine Vorrichtung zur Übergabe mit Klebstoff versehener Platten von einem Zufuhr-Förderer zu einer Furnierstation, wobei eine verfahrbare Zwischenablage zumindest eine Platte aus dem Zufuhrförderer entnimmt und in Richtung zur Furnierstation verfährt.The invention relates to a device for transferring adhesive Panels from a feed conveyor to a veneer station, one movable clipboard at least one plate from the feed conveyor removed and moved towards the veneer station.

Die Platten, um die es sich hier handelt, sind im allgemeinen beidseitig mit Klebstoff, insbesondere Leim, beschichtet, damit sie nach dem Anbringen der Deckschichten in einer Plattenpresse unter Einwirkung von Hitze und Druck zu einem Verbundkörper verpreßt werden können.The plates in question are generally on both sides Adhesive, especially glue, coated so that it can be attached of the cover layers in a plate press under the influence of heat and Pressure can be pressed into a composite body.

Aufgrund der Beleimung der Platten ist ihr Transport problematisch. Ein Vakuumtransport scheidet aus, weil die Platten in der Fläche beleimt sind und dadurch die Sauggreifer verschmutzen. Außerdem würden Sauggreifer die Leimschicht zerstören oder lokale Leimansammlungen verursachen, die entweder zur Fehlverleimung oder zu sichtbaren Veränderungen in der Deckschicht führen.Due to the gluing of the panels, their transport is problematic. On Vacuum transport is ruled out because the panels are glued to the surface and soiling the suction pads. In addition, suction cups would destroy the glue layer or cause local glue accumulations, either for incorrect gluing or for visible changes in the Lead surface layer.

In der DE 38 11 034, von der der Oberbegriff des Anspruches 1 ausgeht, wird eine Übergabevorrichtung beschrieben, bei der die verfahrbare Zwischenablage zwei in Förderrichtung benachbarte Ablageflächen aufweist. Die stromaufwärts liegende Ablagefläche dient zum Herausheben einer beleimten Platte aus dem Zufuhrförderer. Anschließend verfährt die Zwischenablage in Förderrichtung und legt diese Platte auf eine ortsfeste Zwischenstation, die an ihrer Oberseite eine Vielzahl von Stiften trägt, damit die Leimschicht so wenig wie möglich zerstört wird. Danach fahren beide Ablageflächen nach unten und wieder zurück in die Ausgangsstellung, so daß die stromaufwärtige Ablagefläche eine neue Platte aus dem Zufuhrförderer entnehmen kann, während die stromabwärtige Ablagefläche die zuvor in der Zwischenstation abgelegte Platte übernimmt. Beim erneuten Verfahren der Zwischenablage in stromabwärtiger Richtung gelangt die stromaufwärts liegende Ablagefläche wieder in die genannte Zwischenstation, die stromabwärtige Ablagefläche jedoch in die Furnierstation. Die beiden Ablageflächen werden dann wieder abgesenkt, so daß die darauf liegenden beleimten Platten in ihre neuen Stationen übergeben werden und anschließend fährt die Zwischenablage wieder zurück, worauf sich das Spiel wiederholt.DE 38 11 034, from which the preamble of claim 1 is based, describes a transfer device in which the movable clipboard has two adjacent storage surfaces in the conveying direction. The upstream shelf serves to lift one glued plate from the feed conveyor. The clipboard then moves in the conveying direction and places this plate on a stationary intermediate station, which carries a multitude of pins on its top, so the glue layer is destroyed as little as possible. Then both drive Storage areas down and back to the starting position, see above that the upstream storage surface is a new plate from the feed conveyor can remove while the downstream shelf the previous plate placed in the intermediate station takes over. When again The clipboard moves in the downstream direction upstream storage area again in the intermediate station mentioned, the downstream storage surface, however, is in the veneer station. The Both shelves are then lowered again, so that the lying glued panels in their new stations and then the clipboard moves back, whereupon that Game repeated.

Im bekannten Fall transportiert die Zwischenablage also immer mit ihrer einen Ablagefläche eine Platte vom Zuführförderer in die Zwischenstation, mit ihrer anderen Ablagefläche eine Platte von der Zwischenstation zur Furnierstation. Der Weg, den die Platten dabei vom Zufuhrförderer zur Zwischenstation und anschließend von der Zwischenstation zur Furnierstation zurücklegen, ist immer gleich lang, da die beiden Ablageflächen der Zwischenablage im gleichen Gestell montiert sind.In the known case, the clipboard always carries with it a storage area a plate from the feed conveyor to the intermediate station, with its other shelf a plate from the intermediate station to Veneer station. The path the plates take from the feed conveyor to the Intermediate station and then from the intermediate station to the veneer station cover is always the same length, since the two storage surfaces of the Clipboard are mounted in the same frame.

Um eine ordnungsgemäße Übergabe vom Zufuhrförderer zur Zwischenablage sicherzustellen, werden die auf dem Zufuhrförderer ankommenden Platten im allgemeinen durch einen Anschlag in Längsrichtung positioniert. Dabei ist die Lage der Vorderkante maßgebend. Wird nun die anschließende Übergabe nach Lage der Vorderkante gefahren, so muß der Fahrweg der Übergabevorrichtung so eingestellt werden, daß die Hinterkante der längsten Platte noch vollständig in der Furnierstation zu liegen kommt, d. h., daß sie bei Verwendung eines Abstreifers diesen passieren muß. Dies hat den Nachteil, daß dann kürzere Platten mit ihrer Hinterkante unnötig weit in die Furnierstation hineinfahren. To ensure proper transfer from the feed conveyor to the clipboard ensure that those arriving on the feed conveyor Panels generally positioned longitudinally by a stop. The position of the front edge is decisive. Now becomes the subsequent one Transfer driven according to the position of the front edge, the route must the transfer device can be adjusted so that the rear edge the longest board is still completely in the veneer station, d. that is, when a wiper is used, it must pass through it. This has the disadvantage that then shorter plates with their rear edge unnecessary drive far into the veneer station.

Außerdem ergibt sich dann das Problem, daß bei dem aus Kapazitätsgründen erwünschten schnellen Zurückfahren der Zwischenablage die kurze Platte mit hoher Geschwindigkeit gegen die Abstreifer der Furnierstation prallt, was zu Positionsungenauigkeiten und sogar zur Beschädigung der Platte führen kann.In addition, there then arises the problem that, for reasons of capacity desired quick retraction of the clipboard the short Board at high speed against the wipers of the veneer station bounces, causing position inaccuracies and even damaging the Plate can lead.

Hiervon ausgehend liegt die Aufgabe der vorliegenden Erfindung darin, die bekannte Übergabevorrichtung dahingehend zu verbessern, daß sie für unterschiedliche Plattengrößen einsetzbar ist, ohne dabei die oben geschilderten Nachteile in Kauf nehmen zu müssen. Außerdem soll sich die Erfindung durch eine hohe Fördergeschwindigkeit auszeichnen.Proceeding from this, the object of the present invention is that improve known transfer device in that it for different plate sizes can be used without doing the above Having to accept disadvantages. In addition, the Characterize invention with a high conveying speed.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß die verfahrbare Zwischenablage die Platte auf eine weitere Zwischenablage ablegt, die relativ zur ersten Zwischenablage verfahrbar ist und die Platte in die Furnierstation befördert.This object is achieved in that the movable Clipboard places the plate on another clipboard that is movable relative to the first clipboard and the plate in the veneer station promoted.

Der Kern der Erfindung besteht also darin, die beiden Ablageflächen der vorbekannten Zwischenablage zu verselbständigen, so daß man zwei voneinander unabhängig arbeitende Einheiten erhält. Die Übergabevorrichtung ist dadurch wesentlich flexibler und kann optimal an die jeweiligen Plattengrößen angepaßt werden, und zwar sowohl hinsichtlich ihres Fahrweges, wie auch hinsichtlich ihrer Fahrgeschwindigkeit.The essence of the invention is, therefore, the two storage surfaces to become independent clipboard, so that two receives independently working units. The transfer device is therefore much more flexible and can be optimally adapted to the respective Plate sizes are adjusted, both with regard to their route, as well as their driving speed.

In Weiterbildung der Erfindung empfiehlt es sich, daß die beiden Zwischenablagen derart gegeneinander verfahrbar sind, daß sie in der einen Position einander überlappen, wogegen sie in der anderen Position im Übergabebereich des Zufuhrförderers einerseits bzw. der Furnierstation andererseits liegen. Durch die Gegenläufigkeit und den gemeinsamen Überlappungsbereich lassen sich sehr kurze Taktzeiten und dementsprechend hohe Umsetzkapazitäten erzielen. In a development of the invention, it is recommended that the two clipboards are so movable against each other that they are in one Position overlap one another, whereas in the other position they overlap Transfer area of the feed conveyor on the one hand or the veneer station on the other hand. Due to the contradiction and the common Overlap area can be very short cycle times and accordingly achieve high implementation capacities.

Damit die beiden Zwischenablagen während des Verfahrens nicht miteinander kollidieren, bieten sich dem Fachmann verschiedene Möglichkeiten. Besonders günstig ist es, wenn die eine Zwischenablage einen sich in Verfahrrichtung erstreckenden vertikalen Schlitz aufweist und in diesem Schlitz die Abstützung der anderen Zwischenablage erfolgt. Dadurch lassen sich beide Zwischenablagen mit kurzen Gestellen auf dem Boden abstützen und es entfällt der Aufwand einer Portallagerung.So that the two clipboards are not with each other during the procedure collide, the specialist has various options. It is particularly favorable if the one clipboard is in one Movement direction extending vertical slot and in this The other clipboard is supported. Let it through Both clipboards are supported on the floor with short frames and there is no need for portal storage.

Zweckmäßig ist der genannte vertikale Schlitz in der stromabwärts liegenden, zweiten Zwischenablage angeordnet, weil dann die erste Zwischenablage, die neben dem horizontalen Verfahren auch vertikale Hubbewegungen durchführen muß, mittig im Bereich des Schwerpunktes abgestützt werden kann. Im übrigen erfolgt die Abstützung beider Zwischenablagen durch Fahrwagen.The vertical slot mentioned is expediently located in the downstream, second clipboard because then the first clipboard, which, in addition to the horizontal method, also vertical lifting movements must perform, supported in the center of the center of gravity can be. For the rest, both clipboards are supported through trolleys.

Grundsätzlich können beide Zwischenablagen vertikal verfahrbar sein. Aus Kostengründen empfiehlt es sich aber, daß die stromabwärtige Zwischenablage nur horizontal und nicht vertikal verfahrbar ist und die Übergabe der von ihre getragenen Platte auf die Furnierstation durch zumindest einen hinter die rückwärtige Plattenkante einstellbaren Anschlag erfolgt. Vorzugsweise werden zwei einschwenkbare Anschläge verwendet, die am Gestell der Furnierstation gelagert sind.In principle, both clipboards can be moved vertically. Out For cost reasons, it is recommended that the downstream clipboard can only be moved horizontally and not vertically and the transfer of the board they carry to the veneer station by at least one adjustable stop behind the rear panel edge. Preferably two swiveling stops are used, the Frame of the veneer station are stored.

Hinsichtlich der konstruktiven Ausgestaltung der beiden Zwischenablagen ist es zweckmäßig, daß sie parallele, beabstandete, rechenartige Tragarme aufweisen, so daß sie zur Übergabe eines Produktes einander passieren können.With regard to the design of the two clipboards it is appropriate that they have parallel, spaced, rake-like support arms have so that they pass each other to hand over a product can.

Weitere Merkmale und Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung von Ausführungsbeispielen anhand der Zeichnung; dabei zeigt

Figur 1 - 5
eine Seitenansicht der Übergabevorrichtung in aufeinanderfolgenden Arbeitsstellungen und
Figur 6
einen Querschnitt durch die Übergabevorrichtung.
Further features and advantages of the invention result from the following description of exemplary embodiments with reference to the drawing; shows
Figure 1-5
a side view of the transfer device in successive working positions and
Figure 6
a cross section through the transfer device.

Die Figuren 1 bis 5 zeigen übereinstimmend im linken Teil einen Zufuhrförderer 1, auf dem einseitig, meist beidseitig beleimte Platten 2 ankommen. Im Ausführungsbeispiel erstreckt sich der Zufuhrförderer 1 senkrecht zur Zeichnungsebene und er besteht aus zahlreichen, in Förderrichtung mit Abstand aufeinanderfolgenden Stachelrollen 1a.Figures 1 to 5 show in the left part a feed conveyor 1, on which one-sided, mostly double-sided glued panels 2 arrive. In the exemplary embodiment, the feed conveyor 1 extends vertically to the drawing level and it consists of numerous, in the conveying direction with successive spiked rollers 1a.

Im rechten Teil zeigen die Figuren 1 bis 5 übereinstimmend eine Furnierstation 3, in der die Platten 2 paßgenau auf eine bereitliegende Deckschicht aufgelegt werden und in der meistens auch die Oberseite der Platte mit einer weiteren Deckschicht belegt wird. Der Weitertransport der derart belegten Platten in die Presse erfolgt senkrecht zur Zeichnungsebene und ist nicht weiter dargestellt.In the right part, Figures 1 to 5 show a veneer station 3, in which the plates 2 fit snugly on a ready covering layer be laid on and in most cases also the top of the Plate is covered with another top layer. The onward transport of the such plates in the press are perpendicular to the plane of the drawing and is not shown any further.

Wesentlich ist nun, daß die Übergabe der Platten vom Zufuhrförderer 1 in die Furnierstation 3 durch zwei unabhängig voneinander arbeitende Zwischenablagen 4 und 5 erfolgt. Beide Zwischenablagen sind an Fahrwagen 14 bzw. 15 montiert und horizontal in der Zeichnungsebene verfahrbar, die erste Zwischenablage 4 darüberhinaus auch in Vertikalrichtung.It is now essential that the transfer of the plates from the feed conveyor 1 in the veneer station 3 by two intermediate shelves working independently of one another 4 and 5 takes place. Both clipboards are on trolleys 14 or 15 assembled and horizontally movable in the plane of the drawing, the first clipboard 4 also in the vertical direction.

Mit der Zwischenablage 4 werden die beleimten Platten 2 vom Zufuhrförderer 1 ausgehoben und an die zweite Zwischenablage 5 übergeben. Diese legt die Platten dann auf eine bereitgelegte Deckschicht in der Furnierstation 3 ab. Im allgemeinen liegt diese Deckschicht dort ebenfalls auf einem Förderband, damit die beschichtete Platte anschließend in die Presse gefahren werden kann.With the clipboard 4, the glued panels 2 from the feed conveyor 1 lifted and passed to the second clipboard 5. This then places the panels on a ready top layer in the veneer station 3 from. In general, this top layer is also there on one Conveyor belt, so that the coated plate is then in the press can be driven.

Die Zwischenablagen 4 und 5 bestehen aus rechenartig angeordneten Tragarmen 4a bzw. 5a, die sich in der Zeichnungsebene erstrecken und senkrecht zur Zeichnungsebene beabstandet zueinander angeordnet sind. The clipboards 4 and 5 consist of rakes arranged Support arms 4a and 5a, which extend in the plane of the drawing and are spaced from each other perpendicular to the plane of the drawing.

Sie sind oben scharfkantig ausgebildet, damit sie den Leimauftrag auf den Platten 2 möglichst wenig beeinträchtigen. Dabei ist die Zuordnung der Tragarme 4a und 5a der beiden Zwischenablagen so gewählt, daß die Tragarme 4a der Zwischenablage 4 durch die der Zwischenablage 5 hindurchtauchen können. Dies wird nachfolgend am Beispiel einer Plattenübergabe näher erläutert.They are sharp-edged at the top, so that they apply the glue to the Affect plates 2 as little as possible. The assignment is the Support arms 4a and 5a of the two clipboards selected so that the Support arms 4a of the clipboard 4 dip through the clipboard 5 can. This is shown below using the example of a plate handover explained in more detail.

Figur 1 zeigt eine auf dem Zufuhrförderer bereitliegende Platte 2, unter der sich bereits die Zwischenablage 4 befindet. Diese Zwischenablage erstreckt sich mit ihren rechenartigen Tragarmen 4a in die Zwischenräume zwischen den Stachelrollen 1a und kann somit zwischen diesen hindurch nach oben fahren und die Platte 2 ausheben. Dieser Zustand ist in Figur 2 dargestellt.FIG. 1 shows a plate 2 on the feed conveyor, under which clipboard 4 is already located. This clipboard extends with their rake-like support arms 4a in the spaces between the spiked rollers 1a and can thus pass between them Drive up and lift out plate 2. This state is in Figure 2 shown.

Sodann fährt die Zwischenablage 4 nach rechts in die in Figur 3 dargestellte Position zwischen Zufuhrförderer 1 und Furnierstation 3. In dieser Übergabeposition, jedoch unterhalb der Tragarme 4a befindet sich auch die andere Zwischenablage 5, deren Tragarme 5a so angeordnet sind, daß die Tragarme 4a hindurchtauchen können. Die Platte 2 wird dann von den Tragarmen 5a übernommen. Dieser Zustand ist in Figur 4 dargestellt.Then the clipboard 4 moves to the right into that shown in Figure 3 Position between feed conveyor 1 and veneer station 3. In this Transfer position, but below the support arms 4a is also the other clipboard 5, the support arms 5a are arranged so that the support arms 4a can dive through. The plate 2 is then from the Support arms 5a taken over. This state is shown in Figure 4.

Anschließend fahren beide Zwischenablagen wieder nach außen, wobei die Tragarme 4a eventuell noch eine leichte Absenkbewegung durchführen, um unter das Niveau der Stachelrollen 1a zu kommen, während die Tragarme 5a ihre Höhe vorzugsweise immer beibehalten.Then both clipboards move outwards again, whereby the carrying arms 4a may still perform a slight lowering movement, to get below the level of the spiked rollers 1a, while the Support arms 5a preferably always maintain their height.

Haben die Tragarme 5a ihre Sollposition über der Furnierstation 3 erreicht, so schwenken von der Seite oder von oben Anschläge 6 hinter die Hinterkante der Platte 2 - siehe Figur 5 - so daß beim anschließenden Zurückfahren der Tragarme 5a die Platte abgestreift und auf die darunter befindliche Deckschicht abgelegt wird. Um den Abstreifvorgang zu erleichtern, insbesondere die Ablegehöhe zu verringern, sind die Tragarme 5a an ihrer Oberseite zu den freien Enden hin nach unten geneigt und die Anschläge 6 machen beim Zurückfahren der Tragarme 5a eine leichte Abwärtsbewegung, so daß sie in Kontakt mit der abzustreifenden Platte bleiben.If the support arms 5a have reached their desired position above the veneer station 3, so swivel stops 6 from the side or from above behind the rear edge the plate 2 - see Figure 5 - so that when moving back the support arms 5a stripped the plate and onto the one below it Top layer is deposited. To make the stripping process easier, In particular to reduce the storage height, the support arms 5a are on it Top sloping down towards the free ends and the stops 6 make a slight downward movement when the support arms 5a are retracted, so that they remain in contact with the plate to be stripped.

Während des beschriebenen Abstreifvorganges hebt die erste Zwischenablage 4 die nächste Platte aus dem Zufuhrförderer 1 heraus und fährt diese nach rechts in die Übergabeposition, wie sie in Figur 3 dargestellt ist. Sobald die zweite Zwischenablage 5 ebenfalls dort angekommen ist, setzt sich die Übergabe und der anschließende Weitertransport in der beschriebenen Weise fort.During the stripping process described, the first clipboard lifts 4 the next plate out of the feed conveyor 1 and drives this to the right in the transfer position, as shown in Figure 3 is. As soon as the second clipboard 5 has also arrived there, the handover and subsequent transport continues in the described Way on.

Der Horizontaltransport der beiden Zwischenlagen 4 und 5 über ihre Fahrwagen 14 und 15 erfolgt längs Führungsschienen, an denen die Fahrwagen durch umlaufende Zugmittel hin und her gezogen werden. Selbstverständlich sind statt dessen auch Spindelantriebe oder andere Konstruktionen möglich.The horizontal transport of the two intermediate layers 4 and 5 via their carriages 14 and 15 takes place along guide rails on which the trolleys be pulled back and forth by rotating traction devices. Of course are also spindle drives or other constructions possible.

Die Höhenverstellung der ersten Zwischenablage 4 erfolgt durch ein oberhalb des Fahrwagens angeordnetes Huborgan, insbesondere ein Zylinder-Kolben-Aggregat.The height of the first clipboard 4 is adjusted by an above of the carriage arranged lifting member, in particular a cylinder-piston unit.

Da für die konstruktive Ausbildung dieser Fahrbewegungen und der Antriebe zahlreiche konstruktive Varianten bestehen, wird auf eine genauere Beschreibung verzichtet.As for the constructive training of these movements and the drives numerous constructive variants exist, is based on a more detailed description waived.

Figur 6 zeigt einen Querschnitt durch die beiden Zwischenablagen, wobei der Zufuhrförderer aus Übersichtlichkeitsgründen überhöht dargestellt wird. Man erkennt unten die erste Zwischenablage 4 mit in Querrichtung durchgehenden Tragarmen 4a. Ihre Lagerung am Fahrwagen 14, die wie gesagt höhenverstellbar sein muß, erfolgt mittig über einen Träger 4b.Figure 6 shows a cross section through the two clipboards, wherein the feed conveyor is shown exaggerated for reasons of clarity becomes. The first clipboard 4 can be seen below in the transverse direction continuous support arms 4a. Your storage on the trolley 14, which like said height must be adjustable, takes place in the middle via a carrier 4b.

Demgegenüber sind die Tragarme 5a der zweiten Zwischenablage 5 nicht zentral, sondern an ihren beiden äußeren Enden mit dem Fahrwagen 15 verbunden. In contrast, the support arms 5a of the second clipboard 5 are not centrally, but at its two outer ends with the trolley 15 connected.

Außerdem laufen die Tragarme 5a nicht durch, sondern lassen im mittleren Bereich einen in Förderrichtung laufenden Schlitz 7 frei. Dieser Schlitz gestattet es, den zentralen horizontalen Träger 4b mit seinen Tragarmen 4a an den Tragarmen 5a vorbei nach oben oder unten zu verfahren und somit die Aushebebewegung aus dem Zufuhrförderer wie auch die Ablegebewegung auf die zweite Zwischenablage zu realisieren. Zur Verdeutlichung der Hubbewegung durch den Schlitz 7 hindurch sind die Tragarme 4a gestrichelt in einer oberen Position 4a' dargestellt.In addition, the support arms 5a do not run through, but leave in the middle Area a slot 7 running in the conveying direction is free. This slot allows it, the central horizontal support 4b with its support arms 4a to move past the support arms 5a up or down and thus the lifting movement from the feed conveyor as well as the depositing movement to realize on the second clipboard. To illustrate the Lifting movement through the slot 7, the support arms 4a are dashed shown in an upper position 4a '.

Die beschriebene Zweiteilung der Übergabevorrichtung hat folgende Vorteile:

  • 1. Die zweite Zwischenablage kann eine Platte auf eine Deckschicht in der Furnierstation ablegen, unabhängig davon, ob die nächste Platte auf dem Zufuhrförderer bereitliegt, noch nicht da ist oder erst in die Endposition transportiert wird.
  • 2. Unabhängig von der Plattenlänge kann die erste Zwischenablage die Platte stets genau auf die Sollposition der zweiten Zwischenablage ablegen, so daß es beim Rückhub der zweiten Zwischenablage nicht zu dem geschilderten Aufprall auf die Abstreiferanschläge kommt.
  • 3. Durch die unabhängige Wegstreckensteuerung beider Zwischenablagen richtet sich der Fahrweg der zweiten Zwischenablage ausschließlich nach der Plattenlänge. Es muß also nicht immer der maximale Fahrweg durchfahren werden.
    • The described division of the transfer device has the following advantages:
  • 1. The second clipboard can place a board on a top layer in the veneer station, regardless of whether the next board is ready on the feed conveyor, is not there yet or is only being transported to the end position.
  • 2. Regardless of the plate length, the first clipboard can always place the plate exactly on the target position of the second clipboard, so that the described impact on the stripper stops does not occur when the second clipboard is lifted back.
  • 3. Due to the independent route control of both clipboards, the route of the second clipboard depends exclusively on the plate length. So the maximum travel path does not always have to be traveled.

    • Die Erfindung zeichnet sich somit durch höhere Positioniergenauigkeit, höhere Arbeitsgeschwindigkeit und optimale Anpassung an unterschiedliche Plattengrößen aus.The invention is therefore characterized by higher positioning accuracy, higher Working speed and optimal adaptation to different Plate sizes.

    Claims (9)

    Vorrichtung zur Übergabe mit Klebstoff versehener Platten (2) von einem Zufuhrförderer (1) zu einer Furnierstation (3), wobei eine verfahrbare Zwischenablage (4) zumindest eine Platte (2) aus dem Zufuhrförderer (1) entnimmt und in Richtung zur Furnierstation (3) verfährt,
    dadurch gekennzeichnet,
    daß die verfahrbare Zwischenablage (4) die Platte auf eine weitere Zwischenablage (5) ablegt und daß die weitere Zwischenablage (5) relativ zur ersten Zwischenablage (4) verfahrbar ist und die Platte (2) in die Furnierstation (3) befördert.    Device for transferring plates (2) provided with adhesive from a feed conveyor (1) to a veneer station (3), a movable intermediate store (4) removing at least one plate (2) from the feed conveyor (1) and in the direction of the veneer station (3 ) moves,
    characterized,
    that the movable clipboard (4) places the plate on a further clipboard (5) and that the further clipboard (5) can be moved relative to the first clipboard (4) and conveys the plate (2) into the veneer station (3).         Vorrichtung nach Anspruch 1,
    dadurch gekennzeichnet,
    daß die beiden Zwischenablagen (4, 5) derart gegeneinander verfahrbar sind, daß sie in der einen Position einander überlappen, wogegen sie in der anderen Position im Übergabebereich des Zufuhrförderers (1) bzw. der Furnierstation (3) liegen.    Device according to claim 1,
    characterized,
    that the two intermediate shelves (4, 5) can be moved against each other in such a way that they overlap in one position, whereas in the other position they lie in the transfer area of the feed conveyor (1) or the veneer station (3).         Vorrichtung nach Anspruch 1,
    dadurch gekennzeichnet,
    daß die eine Zwischenablage (5) einen vertikalen, sich in Verfahrrichtung erstreckenden Schlitz (7) aufweist und daß in diesem Schlitz (7) die Abstützung der anderen Zwischenablage (4) erfolgt.     Device according to claim 1,
    characterized,
    that one clipboard (5) has a vertical slot (7) extending in the direction of travel and that the other clipboard (4) is supported in this slot (7).         Vorrichtung nach Anspruch 3,
    dadurch gekennzeichnet,
    daß der vertikale Schlitz (7) in der weiteren Zwischenablage (5) angeordnet ist.    Device according to claim 3,
    characterized,
    that the vertical slot (7) is arranged in the further clipboard (5).         Vorrichtung nach Anspruch 1,
    dadurch gekennzeichnet,
    daß die Abstützung der beiden Zwischenablagen (4, 5) durch Fahrwagen (14, 15) erfolgt.    Device according to claim 1,
    characterized,
    that the two intermediate shelves (4, 5) are supported by carriages (14, 15).         Vorrichtung nach Anspruch 1,
    dadurch gekennzeichnet,
    daß die weitere Zwischenablage (5) nur horizontal, nicht vertikal verfahrbar ist und daß die Übergabe der von ihr getragenen Platte (2) auf die Furnierstation (3) durch zumindest einen hinter die rückwärtige Plattenkante verstellbaren Anschlag (6) erfolgt.    Device according to claim 1,
    characterized,
    that the further clipboard (5) can only be moved horizontally, not vertically, and that the transfer of the plate (2) carried by it to the veneer station (3) takes place by at least one stop (6) which can be adjusted behind the rear edge of the plate.         Vorrichtung nach Anspruch 6,
    dadurch gekennzeichnet,
    daß der zumindest eine Anschlag (6) verschwenkbar an der Furnierstation (3) gelagert ist.    Apparatus according to claim 6,
    characterized,
    that the at least one stop (6) is pivotally mounted on the veneer station (3).         Vorrichtung nach Anspruch 1,
    dadurch gekennzeichnet,
    daß die beiden Zwischenablagen (4, 5) zueinander parallele, in Verfahrrichtung laufende, voneinander beabstandete Tragarme (4a, 5a) aufweisen, die in Querrichtung zueinander versetzt sind, so daß sie zur Übergabe einer Platte (2) zumindest teilweise ineinander eintauchen können.    Device according to claim 1,
    characterized,
    that the two intermediate shelves (4, 5) have mutually parallel, in the direction of travel, spaced apart support arms (4a, 5a), which are offset in the transverse direction to each other, so that they can at least partially dip into the transfer of a plate (2).         Vorrichtung nach Anspruch 1,
    dadurch gekennzeichnet,
    daß die eine Zwischenablage (4) durch die andere in Vertikalrichtung hindurchfahren kann.    Device according to claim 1,
    characterized,
    that one clipboard (4) can pass through the other in the vertical direction.
    EP99113837A 1998-07-20 1999-07-15 Device for transferring glued plates to a veneering station Expired - Lifetime EP0974435B1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    DE19832534 1998-07-20
    DE19832534A DE19832534C1 (en) 1998-07-20 1998-07-20 Device for transferring glued panels to a veneer station

    Publications (3)

    Publication Number Publication Date
    EP0974435A2 true EP0974435A2 (en) 2000-01-26
    EP0974435A3 EP0974435A3 (en) 2004-03-31
    EP0974435B1 EP0974435B1 (en) 2006-01-25

    Family

    ID=7874649

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP99113837A Expired - Lifetime EP0974435B1 (en) 1998-07-20 1999-07-15 Device for transferring glued plates to a veneering station

    Country Status (5)

    Country Link
    EP (1) EP0974435B1 (en)
    AT (1) ATE316452T1 (en)
    DE (2) DE19832534C1 (en)
    DK (1) DK0974435T3 (en)
    ES (1) ES2253850T3 (en)

    Families Citing this family (1)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    DE102005035804A1 (en) * 2005-07-27 2007-02-01 Robert Bürkle GmbH Device for producing veneer boards comprises an aligning table for aligning support plates and veneers using stops which are distributed over the table surface

    Citations (2)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    US3989235A (en) * 1974-03-09 1976-11-02 G. Siempelkamp & Co. Method of and means for sandwiching a central layer and two outer layers preparatorily to lamination
    DE3811034A1 (en) * 1988-03-31 1989-10-12 Wemhoener Foerdertechnik Gmbh Apparatus for feeding glued boards to a veneer station

    Patent Citations (2)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    US3989235A (en) * 1974-03-09 1976-11-02 G. Siempelkamp & Co. Method of and means for sandwiching a central layer and two outer layers preparatorily to lamination
    DE3811034A1 (en) * 1988-03-31 1989-10-12 Wemhoener Foerdertechnik Gmbh Apparatus for feeding glued boards to a veneer station

    Also Published As

    Publication number Publication date
    ATE316452T1 (en) 2006-02-15
    EP0974435A3 (en) 2004-03-31
    ES2253850T3 (en) 2006-06-01
    DE59913068D1 (en) 2006-04-13
    DK0974435T3 (en) 2006-04-18
    DE19832534C1 (en) 2000-04-20
    EP0974435B1 (en) 2006-01-25

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