EP0512503B1 - Finger jointing press and combined finger jointing milling, gluing and press installation - Google Patents

Finger jointing press and combined finger jointing milling, gluing and press installation Download PDF

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Publication number
EP0512503B1
EP0512503B1 EP92107634A EP92107634A EP0512503B1 EP 0512503 B1 EP0512503 B1 EP 0512503B1 EP 92107634 A EP92107634 A EP 92107634A EP 92107634 A EP92107634 A EP 92107634A EP 0512503 B1 EP0512503 B1 EP 0512503B1
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EP
European Patent Office
Prior art keywords
press
workpieces
press table
table according
parts
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EP92107634A
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German (de)
French (fr)
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EP0512503A3 (en
EP0512503A2 (en
Inventor
Reinhard Dimter
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DIMTER, ERWIN
DIMTER, IRMA
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Individual
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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
    • B27D1/10—Butting blanks of veneer; Joining same along edges; Preparatory processing of edges, e.g. cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27F—DOVETAILED WORK; TENONS; SLOTTING MACHINES FOR WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES
    • B27F1/00—Dovetailed work; Tenons; Making tongues or grooves; Groove- and- tongue jointed work; Finger- joints
    • B27F1/16—Making finger joints, i.e. joints having tapers in the opposite direction to those of dovetail joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
    • B27G11/00—Applying adhesives or glue to surfaces of wood to be joined
    • 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
    • B27M3/002—Manufacture or reconditioning of specific semi-finished or finished articles of composite or compound articles characterised by oblong elements connected at their ends

Definitions

  • the invention relates to a finger joint press and finger joint glue and press system for the production of Finger joint connections on the front side with finger joint provided and glued boards.
  • the end faces of the boards are attached in finger jointing machines 10-50 mm long finger joints milled and then with glue Mistake.
  • the boards are then individually one after the other Longitudinal direction of the finger press supplied.
  • the boards have a different length of approx. 20-600 cm and are individually one after the other in the finger jointing press pressed together so that a high initial strength arises, so a cut to length according to the order of the endlessly produced boards is possible.
  • the boards are then stacked where the glue in the Finger joint hardens and firmly connects both boards or that Brett is e.g. immediately glued to the glulam beam without that the finger joint is mechanically loaded.
  • All finger presses on the market are performance-reducing link in the overall system.
  • the boards are coming in packets from the finger jointing machine in different lengths, the package is separated by a cross transport of the Inlet valve fed to the finger press.
  • Board by board, coming from cross transport, is aligned in front of or in the infeed path, positioned for the subsequent longitudinal transport in the finger press, where the end of the last board with glue and finger prongs is positioned on the end.
  • the geometrically precise finger joints with a pitch of approx. 2-4 mm or larger must be positioned precisely in the press before the connection, so that the transition in the connection is geometrically precise and as invisible as possible.
  • Repeated positioning in front of the infeed belt and again in the press takes up unnecessary time.
  • the transport path is too long, unnecessary waiting time arises because the last board has to be transported through until the last end face 11 of the board 24 in the middle of the pressing zone, according to.
  • Figure 1 is positioned. Only then is the subsequent board to be joined transported through the closed long press frame to the center of the press.
  • the required longitudinal pressure is approx. 50-100 kg per qcm
  • the Holding pressure on the two boards to be pressed together or Wood is usually twice the feed pressure.
  • the press shoe it is possible for the press shoe to slip on the wood if Spann- u. Baling pressure does not come in sync or through Contamination of the clamping pressure was delayed. Then arise Connections that have the high initial strength in the Do not have finger joint. This results in rejects.
  • a press table according to the preamble of claim 1 is made SU-A-882 750 known.
  • the object of the invention was to develop a finger press with higher connection performance and less space requirement.
  • Figure 1 shows the transverse transport with the pulleys 3 and 42 connect the conveyor belt 43, whereupon the boards 22 and 23 in the direction of arrow 33, over the press tables 1 against the stop 20 be transported where a switch, not shown, the Transport stops.
  • the board 24 with the end 11 and the geometrically accurate tine profile 12, which also on the Board ends 10 is present.
  • the boards 24 and 23 are in Direction stop 20 and 21, geometrically accurate in a known manner positioned.
  • the table 1 is in the middle for receiving Cross transport 43 has been separated.
  • the guide shafts 4 and 5 are movably mounted in table 1.
  • the table 1 is movable in the direction of arrow 34 to the rigid table 2 with the guide shafts 6 and 7 and the stop 21.
  • the flat steel 26 is at the Tables 1 and 2 firmly connected, where the bolts 18 the have triangular lever 16 rotatably connected.
  • the front one Press table extension 8 and 9 from the press table 1 becomes a support of the board 22 and enables immediate positioning in Direction of arrow 33 against the stop 20 when the board 24 in Arrow direction 46 is promoted and positioned as far. If both boards 23 and 24 with geometrically precise profile 12 are positioned, then the cylinder 39 ( Figure 2) on the Fluidic media applied to piston rod side 38, whereby the piston 37 moves in the direction of arrow 41, whereby the distance between the holes with bolts 17 becomes smaller.
  • the cylinder 39 is then energized on the other side of the piston 37, whereby the bores with bolts 17 move the triangular levers 16 apart in the direction of arrow 41, whereby the bores 19 with the bolts move the flat steel 29 in the direction of arrow 36, whereby the Flat steel 32 connected with bolts 28, guide shafts 4,5,6,7 and press tables 14,15 connected with bolts 48 by moving in the direction of arrow 36 release boards 23 and 24.
  • the board 23 connected by finger jointing with board 24 is transported through the press tables until the end of the board 23 with the glue joint finger profile is in the position of the previous board 24.
  • the workflow is initiated again by means of transport belts 43 or other thrust forces.
  • the leverage of the triangular lever is from hole 17 to 18 to 19 in a ratio of approx. 2: 1 according to the metal-wood coefficient.
  • FIG. 5 Another very advantageous execution acc. Figure 5 is when the press and milling glue and press construction are loaded with boards 23 from both sides.
  • An adjustable allowance in the direction of arrows 71 and 72 enables the boards 22 to lie non-positively next to the boards 23. During the pressing process, the allowance means that only the boards 23 are pressed with the boards 24.
  • FIG. 6 shows an embodiment as a finger joint milling gluing and pressing system, where the boards 23 and 22 are in position in front of the clamping table.
  • the clamping table can be moved and positioned in the direction of the arrows 73, 74 and 74.
  • Position 73 is a retracted position to enable loading without the processing unit of FIG. 7 with the milling cutter 76, the hardener specification 77 and the following glue specification 78 being obstructed when it moves in the direction of the arrows 79 and 80.
  • the glue indication is rotatably supported about the axis 81, so that a reliable friction with the boards 23 and 24 is always provided by means of spring-loaded rotary movement 82 and 83 rotary movement.
  • the glue supply in area 84 enables glue to be specified and even dosing for both profile rolls or optional dosing.
  • the pre-built hardener indication system is identical in construction and effect to the glue specification, which can also be designed as a brush or as a non-rotatable sprung rigid counter profile, the glue supply takes place in a known manner through holes in the counter profile.
  • the drive rollers 85 and 86 work independently and convey the boards into the pressing and processing position 75.
  • the respective positions are carried out by known controls.
  • the processing unit with the individual units 76, 77 and 78 can be moved in the direction of the arrows 87 and 88 and can be swiveled in the end position in the direction of the arrows 89 and 90, so that only 1 milling spindle is required and all other units only once.
  • the glue specification is heated by known structures.
  • the glue and hardener can be added to the individual data when heated.
  • the chemical setting is reduced to a few minutes or seconds.
  • the temperature can be adjusted accordingly by known regulators.
  • the boards 22, 23 and 24 to be connected can be from machined on both sides without an idle stroke, as is the case with all finger jointing machines on the market, glueing and pressing systems is the case.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Veneer Processing And Manufacture Of Plywood (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
  • Stringed Musical Instruments (AREA)
  • Eyeglasses (AREA)

Abstract

All finger jointing presses and finger jointing milling, gluing and pressing installations on the market are limited in their output because the pieces of timber pushed in one after the other have to cover lengthwise too long a transporting path until the individual positions, readying for longitudinal transport, for threading in and for pressing or for working, are reached. The subsequent setting time of the glue is too great, since there must be intermediate stops prior to selling or working, corresponding to at least one day's production. An increase in output and reduced setting time is required. This is remedied by an invention where the boards or pieces of timber are widthwise laterally ahead of the pressing or processing position and the glue and hardener is specified in the heated state. The installations may advantageously also be heatable. <IMAGE>

Description

Die Erfindung betrifft eine Keilzinkenpresse sowie Keilzinkenfräs-beleim und -preßanlage zur Herstellung von Keilzinkenverbindungen an ihrer Stirnseite mit Keilzinken versehenen und mit Leim angegebenen Brettern.The invention relates to a finger joint press and finger joint glue and press system for the production of Finger joint connections on the front side with finger joint provided and glued boards.

In Keilzinkenfräsen werden die Stirnseiten der Bretter mit 10-50 mm langen Keilzinken gefräst und anschließend mit Leim versehen. Die Bretter werden dann einzeln hintereinander in Längsrichtung der Keilzinkenpresse zugeführt.The end faces of the boards are attached in finger jointing machines 10-50 mm long finger joints milled and then with glue Mistake. The boards are then individually one after the other Longitudinal direction of the finger press supplied.

Die Bretter haben eine unterschiedliche Länge von ca. 20-600 cm und werden in der Keilzinkenpresse einzeln hintereinander so zusammengepreßt, daß eine hohe Anfangsfestigkeit entsteht, damit eine auftragsgemäße Ablängung der endlos hergestellten Bretter möglich ist. Die Bretter werden dann gestapelt, wo der Leim im Keilzinken aushärtet und beide Bretter fest verbindet oder das Brett wird z.B. sofort zum Brettschichtholzträger verleimt, ohne daß die Keilzinkenverbindung mechanisch belastet wird.The boards have a different length of approx. 20-600 cm and are individually one after the other in the finger jointing press pressed together so that a high initial strength arises, so a cut to length according to the order of the endlessly produced boards is possible. The boards are then stacked where the glue in the Finger joint hardens and firmly connects both boards or that Brett is e.g. immediately glued to the glulam beam without that the finger joint is mechanically loaded.

Alle auf dem Markt befindlichen Keilzinkentpressen sind das leistungshemmende Glied in der Gesamtanlage. Die Bretter kommen paketweise von der Keilzinkenfräse in unterschiedlichen Längen, das Paket wird vereinzelt über einen Quertransport der Einlaufhahn zur Keilzinkenpresse zugeführt.All finger presses on the market are performance-reducing link in the overall system. The boards are coming in packets from the finger jointing machine in different lengths, the package is separated by a cross transport of the Inlet valve fed to the finger press.

Brett für Brett wird vom Quertransport kommend vor oder in der Einlaufbahn ausgerichtet, positioniert zum folgenden Längstransport in die Keilzinkenpresse, wo das Ende des letzten Brettes mit Leim und Kieilzinken versehen stirnseitig positioniert ist.
Die geometrisch genauen Keilzinken mit einer Teilung von ca. 2-4 mm oder auch größer müssen vor der Verbindung in der Presse nochmals genau positioniert werden, damit der Übergang in der Verbindung geometrisch genau und möglichst unsichtbar ist. Das wiederholte Positionieren vor dem Einlaufband und nochmals in der Presse bringt unnötigen Zeitaufwand. Besonders bei unterschiedlich langen zu verbindenden Brettern ist der Transportweg zu lang, unnötige Wartezeit entsteht, weil das letzte Brett durchtransportiert werden muß bis die letzte Stirnseite 11 des Brettes 24 in der Mitte der Preßzone, gem. Figur 1 positioniert ist. Erst dann erfolgt der Nachtransport des folgenden zu verbindenden Brettes durch den geschlossenen langen Preßrahmen zur Pressenmitte. Board by board, coming from cross transport, is aligned in front of or in the infeed path, positioned for the subsequent longitudinal transport in the finger press, where the end of the last board with glue and finger prongs is positioned on the end.
The geometrically precise finger joints with a pitch of approx. 2-4 mm or larger must be positioned precisely in the press before the connection, so that the transition in the connection is geometrically precise and as invisible as possible. Repeated positioning in front of the infeed belt and again in the press takes up unnecessary time. Especially with boards of different lengths to be connected, the transport path is too long, unnecessary waiting time arises because the last board has to be transported through until the last end face 11 of the board 24 in the middle of the pressing zone, according to. Figure 1 is positioned. Only then is the subsequent board to be joined transported through the closed long press frame to the center of the press.

Bei Keilzinkenfräs-beleim und -pressanlagen und Keilzinkenpressen ist der erforderliche Längspreßdruck ca. 50-100 kg pro qcm, der Festhaltedruck auf die beiden zusammenzupressenden Bretter oder Hölzer ist in der Regel das Doppelte des Vorschubdruckes. Oft ist ein Durchrutschen des Preßschuhes auf dem Holz möglich, wenn Spann- u. Preßdruck nicht synchron kommen oder durch Verschmutzung der Spanndruck sich verzögerte. Es entstehen dann Verbindungen, welche die hohe Anfangsfestigkeit in der Keilzinkenfuge nicht besitzen. Dadurch ergibt es Ausschuß.For finger joint gluing and pressing systems and finger joint presses the required longitudinal pressure is approx. 50-100 kg per qcm, the Holding pressure on the two boards to be pressed together or Wood is usually twice the feed pressure. Often it is possible for the press shoe to slip on the wood if Spann- u. Baling pressure does not come in sync or through Contamination of the clamping pressure was delayed. Then arise Connections that have the high initial strength in the Do not have finger joint. This results in rejects.

Dasselbe Problem tritt auch bei den kombinierten Keilzinkenfräsbeleim und-pressanlagen auf, weil die zu verbindenden Bretter in Längsrichtung hintereinander zur Bearbeitung eingeschoben werden müssen. Die Wartezeit ist durch die Postionierung vor dem Einschub, dem Längstransport und der Positionierung in der Presse unverhältnismässig groß. Das Bearbeitungsaggregat muß bei allen auf dem Markt befindlichen Konstruktionen einmal leer zurücklaufen , bis der nächste Arbeitsgang eingeleitet wird. Der Leerhub kostet unnötige Zeit. Die anschliessende Lagerung und Bearbeitung benötigt ca 1 Tag bis die Keilzinkenfuge ausgehärtet/ist. Der Lagerplatz und die Kapitalbindung ist zu groß.The same problem occurs with the combined finger jointing glue and press systems because the boards to be connected in Can be inserted one behind the other for processing have to. The waiting time is due to the positioning in front of the Insertion, longitudinal transport and positioning in the press disproportionately large. The processing unit must be with everyone constructions on the market once empty run back until the next operation is initiated. The idle stroke costs unnecessary time. The subsequent storage and Processing takes about 1 day until the finger joint has hardened. The storage space and the capital commitment is too large.

Ein Preßtisch gemäß dem Oberbegriff des Anspruch 1 ist aus SU-A-882 750 bekannt.A press table according to the preamble of claim 1 is made SU-A-882 750 known.

Aufgabe der Erfindung war die Entwicklung einer Keilzinkenpresse mit höherer Verbindungsleistung und geringerem Platzbedarf.The object of the invention was to develop a finger press with higher connection performance and less space requirement.

Diese Aufgabe wird durch die in Anspruch 1 angegebenen Merkmale gelöst.This object is achieved by the features specified in claim 1.

Eine Ausführungsart der Erfindung betrifft eine kombinierte Keilzinkenfräs-beleim und-preßanlage ohne Leerhub des Bearbeitungsaggregates mit weniger Energieverbrauch, bei immer hoher Anfangsfestigkeit der verpressten Keilzinkenverbindungen und optimaler Betriebssicherheit. Die Abbindung des Leimes in der Leimfuge muß dabei so verkürzt werden, daß nach wenigen Minuten die Abbindung des Leimes in der Keilzinkenfuge erfolgt. Ausführungsbeispiele der Erfindung sind anhand der Zeichnungen beschrieben und dargestellt. In den folgenden Darstellungen zeigen

Figur 1
schematische Darstellung als Draufsicht der Pressenebene
Figur 2
eine schematische Seitenansicht der Keilzinkentaktpresse
Figur 3
einen schematischen Schnitt des vorderen beweglichen Preßtisches
Figur 4
eine Draufsicht , wo 2 Bretter auf einmal verbunden werden.
Figur 5
zeigt eine beidseitige Beschickung einer derartigen Anlage
Figur 6
zeigt eine schematische Daraufsicht einer Keilzinkenfräs-beleim und -preßanlage.
Figur 7
zeigt Daraufsicht des Bearbeitungsaggregates.
One embodiment of the invention relates to a combined finger joint gluing and pressing system without idle stroke of the processing unit with less energy consumption, with always high initial strength of the pressed finger joint connections and optimum operational safety. The setting of the glue in the glue joint must be shortened so that after a few minutes the glue sets in the finger joint. Embodiments of the invention are described and illustrated with reference to the drawings. Show in the following illustrations
Figure 1
schematic representation as a top view of the press plane
Figure 2
is a schematic side view of the finger jointing press
Figure 3
a schematic section of the front movable press table
Figure 4
a top view where 2 boards are joined at once.
Figure 5
shows a two-sided loading of such a system
Figure 6
shows a schematic plan view of a finger jointing gluing and pressing system.
Figure 7
shows top view of the processing unit.

Dies wird erfindungsgemäß dadurch erreicht, daß die Keilzinkenpressen oder die kombinierte Keilzinkenfräs-beleim und- preßanlagen, zumindest im Bereich der Bretterzufuhr einseitig offen ist, gem. Figur 1 und Figur 3.This is achieved in that the Finger jointing presses or the combined finger jointing gluing and pressing systems, at least is open on one side in the area of the board feed, acc. Figure 1 and Figure 3.

Figur 1 zeigt den Quertransport mit den Riemenscheiben 3 und 42 verbinden den Transportriemen 43, worauf die Bretter 22 und 23 in Pfeilrichtung 33, über die Preßtische 1 gegen Anschlag 20 transportiert werden, wo ein nicht dargestellter Schalter den Transport stoppt. Das Brett 24 mit dem Ende 11 und des geometrisch genauen Zinkenprofiles 12, welches auch an den Brettenden 10 vorhanden ist. Die Bretter 24 und 23 werden in Richtung Anschlag 20 und 21, auf bekannte Weise geometrisch genau positioniert. Der Tisch 1 ist in der Mitte zur Aufnahme von Quertransport 43 getrennt worden. Die Führungswellen 4 und 5 sind bewegbar im Tisch 1 gelagert. Der Tisch 1 ist bewegbar in Pfeilrichtung 34 zum starren Tisch 2 mit den Führungswellen 6 und 7 und dem Anschlag 21. Der Flachstahl 26 ist jeweils an den Tischen 1 und 2 fest verbunden, wo die Bolzen 18 die dreieckförmigen Hebel 16 drehbar verbunden haben. Die vordere Preßtischverlängerung 8 und 9 vom Preßtisch 1 wird zur Auflage des Brettes 22 und ermöglicht sofortige Postitionierung in Pfeilrichtung 33 gegen den Anschlag 20, wenn das Brett 24 in Pfeilrichtung 46 so weit gefördert und positioniert wird. Wenn beide Bretter 23 und 24 mit geometrisch genauem Profil 12 positioniert sind, dann wird der Zylinder 39 (Figur 2) auf der Kolbenstangenseite 38 mit fluidischen Medien beaufschlagt, wodurch der Kolben 37 sich in Pfeilrichtung 41 bewegt, wodurch der Abstand zwischen den Bohrungen mit Bolzen 17 geringer wird. Dadurch bewegen sich die dreieckförmigen Hebel 17 um die Bohrung 18 , dessen Bolzen sich bewegt, wobei die Bohrung 19 mit dem Bolzen im Flachstahl 26 die Kraft auf den Flachstahl 31 über die Welle 27 auf die Führungswellen 4,5,6 und 7 überträgt, wodurch die oberen Preßtische 14 und 15 sich in Pfeilrichtung 35 durch die Führungen der Preßtische bewegen, bis die Bretter 24 und 23 zwischen den Preßtischen 1, 1 und 14 sowie 2 und 14 sowie 2 und 15 kraftschlüssig aufliegen. Jede weitere zugeführte Energie im Zylinder führt dazu, daß sich die Preßtische zueinander in Richtung 46 bewegen, wodurch die kraftschlüssig gespannten Bretter 23 und 24 sich mit den Brettenden 10,11 und deren Keilzinkenprofil 12 , fest verbinden. Figure 1 shows the transverse transport with the pulleys 3 and 42 connect the conveyor belt 43, whereupon the boards 22 and 23 in the direction of arrow 33, over the press tables 1 against the stop 20 be transported where a switch, not shown, the Transport stops. The board 24 with the end 11 and the geometrically accurate tine profile 12, which also on the Board ends 10 is present. The boards 24 and 23 are in Direction stop 20 and 21, geometrically accurate in a known manner positioned. The table 1 is in the middle for receiving Cross transport 43 has been separated. The guide shafts 4 and 5 are movably mounted in table 1. The table 1 is movable in the direction of arrow 34 to the rigid table 2 with the guide shafts 6 and 7 and the stop 21. The flat steel 26 is at the Tables 1 and 2 firmly connected, where the bolts 18 the have triangular lever 16 rotatably connected. The front one Press table extension 8 and 9 from the press table 1 becomes a support of the board 22 and enables immediate positioning in Direction of arrow 33 against the stop 20 when the board 24 in Arrow direction 46 is promoted and positioned as far. If both boards 23 and 24 with geometrically precise profile 12 are positioned, then the cylinder 39 (Figure 2) on the Fluidic media applied to piston rod side 38, whereby the piston 37 moves in the direction of arrow 41, whereby the distance between the holes with bolts 17 becomes smaller. As a result, the triangular levers 17 move around the bore 18, the bolt moves, the bore 19 with the Bolts in flat steel 26 the force on the flat steel 31 over the Transmits shaft 27 to the guide shafts 4,5,6 and 7, whereby the upper press tables 14 and 15 through in the direction of arrow 35 move the guides of the press tables until the boards 24 and 23 between the press tables 1, 1 and 14 and 2 and 14 and 2 and 15 rest firmly. Every additional energy supplied in the Cylinder causes the press tables to face each other Move direction 46, causing the frictionally tensioned Boards 23 and 24 with the board ends 10, 11 and their Finger joint profile 12, firmly connect.

Der Zylinder 39 wird dann mit Energie auf der anderen Seite des Kolbens 37 beaufschlagt, wodurch die Bohrungen mit Bolzen 17 die dreieckförmigen Hebel 16 in Pfeilrichtung 41 auseinander bewegen, wodurch die Bohrungen 19 mit den Bolzen, den Flachstahl 29 in Pfeilrichtung 36 bewegen, wodurch der Flachstahl 32 mit Bolzen 28 verbundene Führungswellen 4,5,6,7 und Preßtische 14,15 mit Bolzen 48 verbunden durch die Bewegung in Pfeilrichtung 36 die Bretter 23 und 24 freigeben.
Das Brett 23 durch Keilzinken mit Brett 24 verbunden, wird so weit durch die Presstische transportiert, bis das Ende des Brettes 23 mit dem Leim angegebenen Keilzinkenprofil in Position des früheren Brettes 24 ist. Durch Transportriemen 43 oder andere Schubkräfte wird der Arbeitsablauf von neuem eingeleitet.
Ein Rutschen der Preßtische ist nicht möglich, weil erst durch den Abstützeffekt der Spannnung eine Bewegung der Bretter 23 und 24 zueinander erfolgt. Die Hebelkraft vom dreieckförmigen Hebel ist von Bohrung 17 zu 18 bis 19 im Verhältnis von ca. 2 : 1 entsprechend des Koeffizienten Metall-Holz.The cylinder 39 is then energized on the other side of the piston 37, whereby the bores with bolts 17 move the triangular levers 16 apart in the direction of arrow 41, whereby the bores 19 with the bolts move the flat steel 29 in the direction of arrow 36, whereby the Flat steel 32 connected with bolts 28, guide shafts 4,5,6,7 and press tables 14,15 connected with bolts 48 by moving in the direction of arrow 36 release boards 23 and 24.
The board 23 connected by finger jointing with board 24 is transported through the press tables until the end of the board 23 with the glue joint finger profile is in the position of the previous board 24. The workflow is initiated again by means of transport belts 43 or other thrust forces.
Sliding of the press tables is not possible because the boards 23 and 24 only move towards one another due to the supporting effect of the tension. The leverage of the triangular lever is from hole 17 to 18 to 19 in a ratio of approx. 2: 1 according to the metal-wood coefficient.

Eine weitere sehr vorteihafte Ausführung gem. Figur 5 ist, wenn die Preßen -und Fräs-leim und -pressenkonstruktion von beiden Seiten mit Brettern 23 beschickt werden .
Eine verstellbare Zulage in Pfeilrichtung 71 und 72 ermöglicht, daß die Bretter 22 kraftschlüssig neben den Brettern 23 liegen. Während des Preßvorganges bewirkt die Zulage, daß nur die Bretter 23 mit den Brettern 24 verpresst werden.Another very advantageous execution acc. Figure 5 is when the press and milling glue and press construction are loaded with boards 23 from both sides.
An adjustable allowance in the direction of arrows 71 and 72 enables the boards 22 to lie non-positively next to the boards 23. During the pressing process, the allowance means that only the boards 23 are pressed with the boards 24.

Die Figur 6 zeigt eine Ausführung als Keilzinken-fräs-beleim- und--Preßanlage , wo die Bretter 23 und 22 vor dem Spanntisch in Position liegen. Der Spanntisch ist in der Pfeilrichtung 73 , 74 und 74 beweg- und positionierbar. Die Position 73 ist als zurückgezogene Postion, uni die Beschickung zu ermöglichen ohne daß das Bearbeitungsaggregat der Figur 7 mit dem Fräser 76, der Härterangabe 77 und der folgenden Leimangabe 78 behinder wird, wenn es in Pfeilrichtung 79 und 80 sich bewegt.
Die Leimangabe ist drehbar um die Achse 81 gelagert, dadurch ist mittels gefedert Drehbewegung 82 und 83 Drehbewgung immer eine zuverlässige friktion mit den Bretter 23 und 24 gegeben. Die Leimzufuhr im Bereich 84 ermöglicht eine Leimangabe und gleichmässige Dosierung für beide Profilrollen oder wahlweise Dosierung. Die vorgebaute Härterangabeanlage ist in der Konstruktion und Wirkung gleich der Leimangabe, welche auch als Bürste oder als nicht drehbares gefedertes starres Gegenprofil ausgeführt sein kann, die Leimzufuhr erfolgt in bekannter Weise durch Bohrungen im Gegenprofil. FIG. 6 shows an embodiment as a finger joint milling gluing and pressing system, where the boards 23 and 22 are in position in front of the clamping table. The clamping table can be moved and positioned in the direction of the arrows 73, 74 and 74. Position 73 is a retracted position to enable loading without the processing unit of FIG. 7 with the milling cutter 76, the hardener specification 77 and the following glue specification 78 being obstructed when it moves in the direction of the arrows 79 and 80.
The glue indication is rotatably supported about the axis 81, so that a reliable friction with the boards 23 and 24 is always provided by means of spring-loaded rotary movement 82 and 83 rotary movement. The glue supply in area 84 enables glue to be specified and even dosing for both profile rolls or optional dosing. The pre-built hardener indication system is identical in construction and effect to the glue specification, which can also be designed as a brush or as a non-rotatable sprung rigid counter profile, the glue supply takes place in a known manner through holes in the counter profile.

Die Antriebsrollen 85 und 86 arbeiten unabhängig und fördern die Bretter in die Preß- und Bearbeitungsposition 75. Die jeweiligen Positonen werden durch bekannte Steuerungen vorgenommen.
Das Bearbeitungsaggregat mit den Einzelaggregaten 76,77 und 78 ist in Pfeilrichtung 87 und 88 bewegbar und in der Endposition in Pfeilrichtung 89 und 90 schwenkbar, dadurch wird nur 1 Frässpindel benötigt und alle anderen Aggregate nur 1 mal.
Um die schnelle Abbindung des Leimes zu erreichen, ist die Leimangabe beheizt durch beakannte Konstruktionen. Der Leim und der Härter kann in erhitztem Zustand den einzelnen Angaben zugeführt werden.. Die chemische Abbindung wird auf wenige Minuten oder Sekunden verkürzt. Die Tempratur ist durch bekannte Regler entsprechend einstellbar.The drive rollers 85 and 86 work independently and convey the boards into the pressing and processing position 75. The respective positions are carried out by known controls.
The processing unit with the individual units 76, 77 and 78 can be moved in the direction of the arrows 87 and 88 and can be swiveled in the end position in the direction of the arrows 89 and 90, so that only 1 milling spindle is required and all other units only once.
In order to achieve the quick setting of the glue, the glue specification is heated by known structures. The glue and hardener can be added to the individual data when heated. The chemical setting is reduced to a few minutes or seconds. The temperature can be adjusted accordingly by known regulators.

Die zu verbindenden Bretter 22, 23 und 24 können von beiden Seiten bearbeitet werden, ohne daß ein Leerhub entsteht, wie es sonst bei allen auf dem Markt befindlichen Keilzinkenfräs, beleim und -pressanlagen der Fall ist. The boards 22, 23 and 24 to be connected can be from machined on both sides without an idle stroke, as is the case with all finger jointing machines on the market, glueing and pressing systems is the case.

BEZUGSQUELLEN-VERZEICHNISREFERENCES DIRECTORY

1,11.1
linker Preßtischleft press table
22nd
rechter Preßtischright press table
3,3,33,3,3
RiemenscheibenPulleys
4,5,6,74,5,6,7
FührungswelleGuide shaft
8,98.9
PreßtischverlängerungPress table extension
10,1110.11
BrettendenBoard ends
12,12,12.12,
geometrisch gleiche Zinkenprofilegeometrically identical tine profiles
14,14,1514,14,15
obere Spannvorrichtungupper jig
16,1616.16
dreieckförmige Hebeltriangular lever
17,1717.17
Bohrungen für Bolzen zur ZylinderaufnahmeBores for bolts to hold the cylinder
18,1818.18
Bohrungen mit Bolzen als DrehpunktHoles with bolts as the fulcrum
19,1919.19
Bohrungen mit BolzenBores with bolts
20,20,2120,20,21
Anschlägeattacks
22,2322.23
Bretter (linker Preßtisch)Boards (left press table)
2424th
Brett (rechte Preßtischseite)Board (right side of press table)
25,25,2525, 25, 25
obere Preßtischkanteupper edge of the press table
26,26,2626,26,26
FlachstahlFlat steel
27,2827.28
Wellewave
29,2929.29
FlachstahlFlat steel
3030th
BohrungenHoles
3131
FlachstahlFlat steel
3232
FlachstahlFlat steel
33,3333.33
Pfeilrichtung Anschlag 20 Direction of arrow stop 20
3434
Pfeilrichtung zu Preßtisch 2Direction of arrow to press table 2
35,3535.35
Pfeilrichtung schließenClose arrow direction
36,3636.36
Pfeilrichtung öffnenOpen the direction of the arrow
3737
Kolbenpiston
3838
KolbenstangePiston rod
3939
Zylindercylinder
4040
Pfeilrichtung zueinanderArrow direction to each other
41,4141.41
Pfeilrichtung auseinanderArrow direction apart
42,42,4242,42,42
RiemenscheibenPulleys
43,43,4343.43.43
TransportriemenConveyor belts
44,4544.45
Pfeilrichtung dar Bewegung 29Direction of arrow represents movement 29
4646
Pfeilrichtung des endlos verpreßten BrettesDirection of arrow of the endless pressed board
4747
Pfeilrichtung des endlos verpreßten Brettes Direction of arrow of the endless pressed board
48 + 4948 + 49
Bretter mit Keilzinken + Leim angegebenBoards indicated with finger joints + glue
50 + 5150 + 51
Bretter 48+49 in der PresspositionBoards 48 + 49 in the press position
52 + 5352 + 53
Presstische bewegbar in Pfeilrichtung 54 + 67Press tables movable in the direction of the arrow 54 + 67
5454
Pfeilrichtung der PressrichtungArrow direction of the pressing direction
5555
hinterer Presstischstarrrigid rear table
56 + 5756 + 57
Brettenden mit Keilzinken + Leim versehenProvide board ends with finger joint + glue
58 + 5958 + 59
in Pressposition befindliche Brettendenboard ends in pressing position
60 + 6160 + 61
VorschubmotorFeed motor
62 + 6362 + 63
Brettenden der einzuschiebenden HölzerBoard ends of the wood to be inserted
6464
PreßpositionPress position
65 + 6665 + 66
Pfeilrichtungen in Richtung Einschubposition unter Preßtischen 52-53Direction of arrow in direction of insertion position below Press tables 52-53
6767
Pfeilrichtung der Bewegung der Preßtische 52+53Direction of arrow of movement of press tables 52 + 53
68-6968-69
hockant stehende, keilgezinkte + mit Leim angegebene Bretter, welche um 90 Grad automatisch in Flachposition gebracht sind, entsprechend Brett 48+49 crouching, finger-jointed + indicated with glue Boards that are automatically in a flat position by 90 degrees brought, according to board 48 + 49
7070
verstellbare Zulageadjustable allowance
71 , 7271, 72
Pfeilrichtung der Bewegung zu 70Arrow direction of movement to 70
73,74,7573,74,75
Pfeilrichtung der BrettpositionenArrow direction of the board positions
7676
FräßaggregatMilling unit
7777
HärteraggregatHardening unit
7878
LeimaggregatGlue aggregate
8181
DrehachseAxis of rotation
82,8382.83
Pfeilrichtung für DrehbewegungDirection of arrow for rotary movement
8484
LeimvolumenGlue volume
85,8585.85
VorschubrollenFeed rollers
87,8887.88
Pfeilrichtung der LängsbewegungDirection of arrow of longitudinal movement
89,9089.90
Pfeilrichtung DrehbewegungDirection of arrow rotation

Claims (10)

  1. A press table for joining together under pressure bar-shaped wood workpieces to be provided previously at their ends with wedge fingers and to be glued, with stationary and movable table parts, in which a hydraulic linear motor and a lever linkage effect clamping by application of force of the workpiece ends to one of the table parts each and reciprocation of the table parts and thus pressing into one another of the wedge fingered and glued workpiece ends, characterized in that the feed (33, 43) of the workpieces (22, 23) to the movable table part (1) takes place transversely to the direction (46) in which the workpieces (24) to be joined together extend.
  2. A press table according to claim 1, characterized in that the movable table part (1) is centrally divided in the feed direction of the workpieces (23, 33) and in that transport means (3, 42, 43) for feeding the workpieces are arranged along the outer side boundaries of the movable table part and between its parts (1, 1).
  3. A press table according to claim 1 or 2, characterized in that the movable table part (1, 8, 9) is widened in the transverse direction in order to support a further workpiece (22), as well as the workpiece (23) to be processed.
  4. A press table according to claim 3, characterized in that the further workpiece (22) is held clamped beside the workpiece to be processed on the movable table part (1) by means of an adjustable positioning device (70).
  5. A press table according to one or more of the preceding claims, characterized in that the table parts (1, 2) are extended on both sides of the direction in which the workpieces to be joined extend, in order to double its working capacity, and the feed of the workpieces to the movable table part is effected transversely on both sides.
  6. A press table according to one or more of the preceding claims, characterized in that the feed of the workpieces (48, 49; 50, 51) is effected in pairs alongside one another.
  7. A press table according to one or more of the preceding claims, characterized in that a machining unit (76, 77, 78) for milling fingers (12) on opposed end faces (10, 11) of workpieces to be joined together on the table parts and following gluing of the milled fingers is associated with the press table, wherein the machining unit with a mill (76) and a following gluing device (77, 78) is arranged to reciprocate transversely to the direction in which the workpieces to be joined together extend between the table parts positioned spaced apart.
  8. A press table according to claim 7, characterized in that the mill (76) and the gluing device (77, 78) can pivot relative to one another, so that the gluing device is arranged to trail the cutter in each case during the reciprocation of the machining unit (76, 77, 78).
  9. A press table according to claim 8 and 9, characterized in that the gluing device (77, 78) consists of separate individual units for separate application of the components of a multi-component adhesive to the fingers (12).
  10. A press table according to any of claims 8 to 10, characterized in that the gluing device (77, 78) is provided with heating for hot delivery of the adhesive components.
EP92107634A 1991-05-07 1992-05-06 Finger jointing press and combined finger jointing milling, gluing and press installation Expired - Lifetime EP0512503B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4114820A DE4114820A1 (en) 1991-05-07 1991-05-07 FINGER JOINT PRESS AND COMBINED FINGER JOINT GLUING AND PRESSING PLANTS
DE4114820 1991-05-07

Publications (3)

Publication Number Publication Date
EP0512503A2 EP0512503A2 (en) 1992-11-11
EP0512503A3 EP0512503A3 (en) 1993-05-05
EP0512503B1 true EP0512503B1 (en) 1999-10-13

Family

ID=6431121

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92107634A Expired - Lifetime EP0512503B1 (en) 1991-05-07 1992-05-06 Finger jointing press and combined finger jointing milling, gluing and press installation

Country Status (3)

Country Link
EP (1) EP0512503B1 (en)
AT (1) ATE185510T1 (en)
DE (2) DE4114820A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10225329A1 (en) * 2002-06-06 2004-03-04 Dimter, Reinhard Erwin Dovetail joint gluing device for horizontal and vertical dovetailing has dovetailing machine working synchronously with connected longitudinal gluing machine

Families Citing this family (12)

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Publication number Priority date Publication date Assignee Title
DE59307743D1 (en) * 1993-01-18 1998-01-08 Erwin Dimter Processes and devices for the production of endless wood by finger jointing to glulam beams and other wood products
ES2154517B1 (en) * 1997-05-23 2001-10-16 Barberan Sa PROCEDURE FOR CONTINUOUS MANUFACTURE OF COVERED PROFILES FOR DRAWERS OR SIMILAR.
DE20303629U1 (en) * 2003-03-07 2004-07-22 Howidal Keilzinkenanlagen Woodworking machine tool for the preparation of wedge finger joins between lengths of timber has bench-mounted milling tool pillar
CN100395091C (en) * 2006-06-07 2008-06-18 商继红 Multifunctional plate splicing machine
CN102225562B (en) * 2011-05-04 2013-05-29 烟台黄海木工机械有限责任公司 Full-automatic infinitely-long finger jointing machine
CN103419256B (en) * 2013-09-03 2015-03-11 柳州市悟新木工机械有限公司 Automatic board splicing machine
CN106182226B (en) * 2015-04-22 2018-05-25 青岛一木金菱家具有限公司 Automatic plate-splicing machine with multiple functions
CN106239648B (en) * 2015-04-22 2018-04-20 浙江齐嘉消防科技有限公司 There is the automatic plate-splicing machine of automatic stirring materials
CN110815435B (en) * 2019-08-30 2021-09-10 台州市意利欧机械有限公司 Method for movably receiving and cutting materials for woodworker
CN113927681A (en) * 2021-11-18 2022-01-14 江苏建筑职业技术学院 Multi-functional splicing apparatus of assembled building
CN114368049A (en) * 2022-01-11 2022-04-19 福建双羿竹木发展有限公司 Standard bamboo board finger joint equipment and finger joint method
CN114701024B (en) * 2022-04-27 2022-09-23 丰县泰宏全屋定制有限公司 Full-automatic wood splicing machine for short square wood of door edge material

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DE2545274C3 (en) * 1975-10-09 1980-02-14 Sauter Maschinenbau Kg, 7519 Zaisenhausen System for the production of finger joints at the ends of wooden workpieces for longitudinal wood gluing
GB1509473A (en) * 1976-11-29 1978-05-04 Cook Bolinders Ltd Finger jointing machine
US4248280A (en) * 1978-12-07 1981-02-03 Taylor Keith A Method and machine structure for finger jointing of lumber
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DE3035797C2 (en) * 1980-09-23 1983-12-08 Dimter GmbH Maschinenfabrik, 7918 Illertissen Method for longitudinal pressing of finger-jointed boards
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DE4035423A1 (en) * 1990-01-12 1992-06-04 Erwin Dimter ENERGY- SPACE- AND COST-SAVING METHOD FOR THE PRODUCTION OF ENDLESS WOODS THROUGH WEDGE-JOINTING TO GLUE-PLATED WOODEN CARRIERS AND OTHER WOODEN PRODUCTS THAT, TOO WELL, TOO WELL, TOO WELL

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10225329A1 (en) * 2002-06-06 2004-03-04 Dimter, Reinhard Erwin Dovetail joint gluing device for horizontal and vertical dovetailing has dovetailing machine working synchronously with connected longitudinal gluing machine

Also Published As

Publication number Publication date
DE4114820A1 (en) 1992-11-12
EP0512503A3 (en) 1993-05-05
EP0512503A2 (en) 1992-11-11
DE59209756D1 (en) 1999-11-18
ATE185510T1 (en) 1999-10-15

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