EP0512503A2 - 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
EP0512503A2
EP0512503A2 EP92107634A EP92107634A EP0512503A2 EP 0512503 A2 EP0512503 A2 EP 0512503A2 EP 92107634 A EP92107634 A EP 92107634A EP 92107634 A EP92107634 A EP 92107634A EP 0512503 A2 EP0512503 A2 EP 0512503A2
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EP
European Patent Office
Prior art keywords
press
glue
boards
pressing
finger jointing
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Granted
Application number
EP92107634A
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German (de)
French (fr)
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EP0512503A3 (en
EP0512503B1 (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 gluing and pressing system for the production of finger joint connections on its end face with finger joints and boards indicated with glue.
  • the end faces of the boards are milled in finger joint cutters with 10-50 mm long finger joints and then provided with glue.
  • the boards are then fed one after the other in the longitudinal direction of the finger press.
  • the boards have a different length of approx. 20-600 cm and are pressed together one after the other in the finger joint press in such a way that a high initial strength is created so that the boards can be cut to length according to the order.
  • the boards are then stacked, where the glue hardens in the finger joint and firmly connects both boards or the board is e.g. immediately glued to the glulam beam without mechanical stress on the finger joint.
  • All finger presses on the market are the performance-inhibiting link in the overall system.
  • the boards come in packets from the finger jointing machine in different lengths, and the pack is fed individually to the finger press via a cross feed of the inlet tap.
  • Board by board, coming from the transverse 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 front.
  • 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 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 or pieces of wood to be pressed together is usually twice the feed pressure. It is often possible for the press shoe to slip on the wood if tensioning and. Bale pressure does not come in sync or the clamping pressure is delayed due to contamination. This creates connections that do not have the high initial strength in the finger joint. This results in rejects.
  • the object of the invention was to develop a finger joint press and a combined finger joint gluing and pressing system with higher connection performance, less space requirement, 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 reliability.
  • the setting of the glue in the glue joint must be shortened so that the setting of the glue in the finger joint takes place after a few minutes.
  • Figure 1 shows the transverse transport with the pulleys 3 and 42 connect the transport belt 43, whereupon the boards 22 and 23 are transported in the direction of arrow 33, over the press tables 1 against the stop 20, where a switch, not shown, stops the transport.
  • the board 24 with the end 11 and the geometrically accurate tine profile 12, which is also present at the board ends 10.
  • the boards 24 and 23 are positioned in the direction of the stop 20 and 21 in a known manner in a geometrically precise manner.
  • the table 1 has been separated in the middle for receiving transverse transport 43.
  • the guide shafts 4 and 5 are movably mounted in the table 1.
  • the table 1 is movable in the direction of the arrow 34 to the rigid table 2 with the guide shafts 6 and 7 and the stop 21.
  • the flat steel 26 is firmly connected to the tables 1 and 2, where the bolts 18 have rotatably connected the triangular levers 16.
  • the front press table extension 8 and 9 from the press table 1 becomes the support for the board 22 and enables immediate positioning in the direction of arrow 33 against the stop 20 when the board 24 is conveyed and positioned as far in the direction of arrow 46. If both boards 23 and 24 are positioned with a geometrically precise profile 12, then the cylinder 39 (FIG. 2) is acted upon by fluidic media on the piston rod side 38, as a result of which the piston 37 moves in the direction of the arrow 41, which increases the distance between the bores with bolts 17 becomes lower.
  • 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 release the boards 23 and 24 by moving in the direction of arrow 36.
  • the board 23 connected to the board 24 by finger jointing is transported through the press tables until the end of the board 23 with the finger joint profile indicated in the glue 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 jointing, 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 the 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 feed 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 machined from both sides without an idle stroke, as is otherwise the case with all finger jointing, gluing and pressing systems on the market.

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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 gluing and pressing system for the production of finger joint connections on its end face with finger joints and boards indicated with glue.

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 milled in finger joint cutters with 10-50 mm long finger joints and then provided with glue. The boards are then fed one after the other in the longitudinal direction of the finger press.

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 pressed together one after the other in the finger joint press in such a way that a high initial strength is created so that the boards can be cut to length according to the order. The boards are then stacked, where the glue hardens in the finger joint and firmly connects both boards or the board is e.g. immediately glued to the glulam beam without mechanical stress on the finger joint.

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 the performance-inhibiting link in the overall system. The boards come in packets from the finger jointing machine in different lengths, and the pack is fed individually to the finger press via a cross feed of the inlet tap.

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 the transverse 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 front.
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 joined, the transport path is too long, unnecessary waiting time arises because the last board has to be transported through until the last 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 or pieces of wood to be pressed together is usually twice the feed pressure. It is often possible for the press shoe to slip on the wood if tensioning and. Bale pressure does not come in sync or the clamping pressure is delayed due to contamination. This creates connections that do not have the high initial strength in the 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 also occurs with the combined finger joint gluing and pressing systems because the boards to be connected have to be inserted one after the other for processing. The waiting time is disproportionately long due to the positioning before insertion, the longitudinal transport and the positioning in the press. The processing unit must run back empty for all constructions on the market until the next work step is initiated. The idle stroke takes up unnecessary time. The subsequent storage and processing takes approx. 1 day until the finger joint has hardened. The storage space and the capital commitment is too large.

Aufgabe der Erfindung war die Entwicklung einer Keilzinkenpresse und einer kombinierten Keilzinkenfräs-beleim und-preßanlage mit höherer Verbindungsleistung, geringerem Platzbedarf, 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 so verkürzt werden, daß nach wenigen Minuten die Abbindung des Leimes in der Keilzinkenfuge erfolgt.The object of the invention was to develop a finger joint press and a combined finger joint gluing and pressing system with higher connection performance, less space requirement, 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 reliability. The setting of the glue in the glue joint must be shortened so that the setting of the glue in the finger joint takes place after a few minutes.

Diese Aufgabe wird durch die in den Ansprüchen angegebenen Konstruktionen und Maßnahmen gelöst.This object is achieved by the constructions and measures specified in the claims.

Die erfindungsgemäßen Pressen und kombinierten Keilzinkenfräs-beleim und-pressanlagen erfüllen die zur Aufgabe gestellten Forderungen, welche den Ausführungsbeispielen der Erfindung durch Zeichnungen beschrieben und dargestellt sind. In den folgenden Beschreibungen und 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.
The presses and combined finger jointing gluing and pressing systems according to the invention meet the requirements set out for the task, which are described and illustrated in the exemplary embodiments of the invention by drawings. Show in the descriptions and illustrations below
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 connected at once.
Figure 5
shows a two-sided loading of such a system
Figure 6
shows a schematic plan view of a finger joint 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 according to the invention in that the finger presses or the combined finger jointing gluing and pressing systems are open on one side, at least in the area of the board feed, according to 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 40 bewegen, wodurch die kraftschlüssig gespannten Bretter 23 und 24 sich mit den Brettenden 10,11 und deren Keilzinkenprofil 12 , 13 fest verbinden.Figure 1 shows the transverse transport with the pulleys 3 and 42 connect the transport belt 43, whereupon the boards 22 and 23 are transported in the direction of arrow 33, over the press tables 1 against the stop 20, where a switch, not shown, stops the transport. The board 24 with the end 11 and the geometrically accurate tine profile 12, which is also present at the board ends 10. The boards 24 and 23 are positioned in the direction of the stop 20 and 21 in a known manner in a geometrically precise manner. The table 1 has been separated in the middle for receiving transverse transport 43. The guide shafts 4 and 5 are movably mounted in the table 1. The table 1 is movable in the direction of the arrow 34 to the rigid table 2 with the guide shafts 6 and 7 and the stop 21. The flat steel 26 is firmly connected to the tables 1 and 2, where the bolts 18 have rotatably connected the triangular levers 16. The front press table extension 8 and 9 from the press table 1 becomes the support for the board 22 and enables immediate positioning in the direction of arrow 33 against the stop 20 when the board 24 is conveyed and positioned as far in the direction of arrow 46. If both boards 23 and 24 are positioned with a geometrically precise profile 12, then the cylinder 39 (FIG. 2) is acted upon by fluidic media on the piston rod side 38, as a result of which the piston 37 moves in the direction of the arrow 41, which increases the distance between the bores with bolts 17 becomes lower. As a result, the triangular levers 17 move around the bore 18, the bolt of which moves, the bore 19 with the bolt in the flat steel 26 transmitting the force on the flat steel 31 via the shaft 27 to the guide shafts 4, 5, 6 and 7, whereby the upper press tables 14 and 15 move in the direction of arrow 35 through the guides of the press tables until the boards 24 and 23 are non-positively between the press tables 1, 1 and 14 and 2 and 14 and 2 and 15. Any further energy supplied in the cylinder causes the press tables to move towards each other in the direction 40, as a result of which the non-positively tensioned boards 23 and 24 firmly connect to the board ends 10, 11 and their finger joint profiles 12, 13.

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 release the boards 23 and 24 by moving in the direction of arrow 36.
The board 23 connected to the board 24 by finger jointing is transported through the press tables until the end of the board 23 with the finger joint profile indicated in the glue 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 jointing, 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 the 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 feed 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 machined from both sides without an idle stroke, as is otherwise the case with all finger jointing, gluing and pressing systems on the market.

Stand der Technik, Recherchen beim Patentamt München Besuch der Messen Hannover,. Prüfung bei der FMPA im Pfaffenwald der TH Stuttgart - Vaihingen.State of the art, research at the Munich Patent Office, visit to the Hanover trade fairs. Exam at the FMPA in the Pfaffenwald of the TH Stuttgart - Vaihingen.

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
9,99.9
PreßtischverlängerungPress table extension
10,1110.11
BrettendenBoard ends
12,12,1312, 12, 13
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 (rechtc 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 20Arrow direction 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 BrettesDirection 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 under 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+49squatting, finger-jointed + glued boards, which are automatically brought into a flat position by 90 degrees, 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 rotary motion

Claims (2)

Keilzinkenpresse sowie kombinierte Keilzinkenfräs-beleim und- pressanlagen dadurch gekennzeichnet,Finger jointing press and combined finger jointing gluing and pressing systems characterized in that nach Anspruch 1, daß der Preßtisch 1 einseitig offen ist um eine seitliche Zuführung in die Preß- oder Bearbeitungsposition zu ermöglichen. 2. nach Anspruch 1, dadurch gekennzeichnet, daß die Abstützende Vorschubkraft als Festhaltekraft eingestzt ist. 3. nach Anspruch 1+2, dadurch gekennzeichnet, daß die zu verarbeitenden Hölzer paarweise nebeneinander eingeschoben werden, gemäß Figur 4 4. nach Anspruch 1+2, dadurch gekennzeichnet, daß von beiden Seiten die Hölzer eingeschoben werden , gem. Figur 5 und 6. 5. nach 1 oder mehreren Ansprüchen dadurch gekennzeichnet, daß die Härter- und Leimangabe gemäß Figur 6 und 7, um die Achse 81 drehbar ist. 6. nach einem oder mehreren Ansprüchen, dadurch gekennzeichnet, daß die Bearbeitung der Bretter von jeder Seite erfolgt. 7. nach einem oder mehreren Ansprüchen, dadurch gekennzeichnet, daß der Leim und Härter im erhitztem Zustand angebeben wird. according to claim 1, that the press table 1 is open on one side to allow lateral feeding in the pressing or processing position. 2. according to claim 1, characterized in that the supporting feed force is used as a holding force. 3. according to claim 1 + 2, characterized in that the woods to be processed are inserted in pairs next to each other, according to Figure 4 4. according to claim 1 + 2, characterized in that the woods are inserted from both sides, according to. Figures 5 and 6. 5. according to 1 or more claims, characterized in that the hardener and glue specification according to Figures 6 and 7, is rotatable about the axis 81. 6. according to one or more claims, characterized in that the processing of the boards takes place from each side. 7. according to one or more claims, characterized in that the glue and hardener is indicated in the heated state.
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 true EP0512503A2 (en) 1992-11-11
EP0512503A3 EP0512503A3 (en) 1993-05-05
EP0512503B1 EP0512503B1 (en) 1999-10-13

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Country Status (3)

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

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0607480A1 (en) * 1993-01-18 1994-07-27 Erwin Dimter Method and apparatus for producing laminated wooden beams and other wooden products from continuously finger jointed wooden boards
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
CN102225562A (en) * 2011-05-04 2011-10-26 烟台黄海木工机械有限责任公司 Full-automatic infinitely-long finger jointing machine
CN103419256A (en) * 2013-09-03 2013-12-04 柳州市悟新木工机械有限公司 Automatic board splicing machine
CN104786302A (en) * 2015-04-22 2015-07-22 常熟市力恒木业机械厂 Multifunctional automatic lath splicing machine
CN106217511A (en) * 2015-04-22 2016-12-14 王和根 A kind of automatic plate-splicing machine with automatic stirring function
CN110815435A (en) * 2019-08-30 2020-02-21 台州市意利欧机械有限公司 Method for movably receiving and cutting materials for woodworker
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
CN114701024A (en) * 2022-04-27 2022-07-05 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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ES2154517B1 (en) * 1997-05-23 2001-10-16 Barberan Sa PROCEDURE FOR CONTINUOUS MANUFACTURE OF COVERED PROFILES FOR DRAWERS OR SIMILAR.
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
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

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US2300728A (en) * 1939-05-29 1942-11-03 Oliver P M Goss Method of manufacturing lumber
GB1509473A (en) * 1976-11-29 1978-05-04 Cook Bolinders Ltd Finger jointing machine
DE2854621A1 (en) * 1975-10-09 1980-07-03 Sauter Maschbau End dovetailing machine with wooden workpiece clamping mechanism - has divider plate above conveyor providing two piles with side clamping faces
US4248280A (en) * 1978-12-07 1981-02-03 Taylor Keith A Method and machine structure for finger jointing of lumber
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DE2854621A1 (en) * 1975-10-09 1980-07-03 Sauter Maschbau End dovetailing machine with wooden workpiece clamping mechanism - has divider plate above conveyor providing two piles with side clamping faces
GB1509473A (en) * 1976-11-29 1978-05-04 Cook Bolinders Ltd Finger jointing machine
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SU882750A1 (en) * 1979-11-29 1981-11-23 Южный Зональный Проектный И Научно-Исследовательский Институт Сельского Строительства Machine for spike-type connecting of wood materials
FR2490537A1 (en) * 1980-09-23 1982-03-26 Dimter Maschf Gmbh Dovetailed boards lengthways pressing mechanism - has boards moved for pressing during slide movement and removed on slide
DE3303162A1 (en) * 1983-01-31 1984-08-09 Maschinenfabrik Gubisch GmbH & Co KG, 2390 Flensburg End moulding machine
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Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0607480A1 (en) * 1993-01-18 1994-07-27 Erwin Dimter Method and apparatus for producing laminated wooden beams and other wooden products from continuously finger jointed wooden boards
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
DE102004010533B4 (en) * 2003-03-07 2012-10-11 Alfred Hofmann E.K. Plant for frontal joining of boards and similar workpieces
CN100395091C (en) * 2006-06-07 2008-06-18 商继红 Multifunctional plate splicing machine
CN102225562A (en) * 2011-05-04 2011-10-26 烟台黄海木工机械有限责任公司 Full-automatic infinitely-long finger jointing machine
CN103419256A (en) * 2013-09-03 2013-12-04 柳州市悟新木工机械有限公司 Automatic board splicing machine
CN106182226A (en) * 2015-04-22 2016-12-07 王笑梅 There is the automatic plate-splicing machine of several functions
CN104786302B (en) * 2015-04-22 2016-09-07 宁波江东甬风工业设计有限公司 Multi-functional automatic plate-splicing machine
CN104786302A (en) * 2015-04-22 2015-07-22 常熟市力恒木业机械厂 Multifunctional automatic lath splicing machine
CN106217511A (en) * 2015-04-22 2016-12-14 王和根 A kind of automatic plate-splicing machine with automatic stirring function
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
CN106217511B (en) * 2015-04-22 2018-07-20 宣城市捷信家具有限公司 A kind of automatic plate-splicing machine with automatic stirring materials function
CN110815435A (en) * 2019-08-30 2020-02-21 台州市意利欧机械有限公司 Method for movably receiving and cutting materials for woodworker
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
CN114701024A (en) * 2022-04-27 2022-07-05 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
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

Also Published As

Publication number Publication date
DE4114820A1 (en) 1992-11-12
EP0512503A3 (en) 1993-05-05
EP0512503B1 (en) 1999-10-13
DE59209756D1 (en) 1999-11-18
ATE185510T1 (en) 1999-10-15

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