EP0167112B1 - Procédé et appareil pour fraiser et rainurer des parties d'un cadre en bois - Google Patents

Procédé et appareil pour fraiser et rainurer des parties d'un cadre en bois Download PDF

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Publication number
EP0167112B1
EP0167112B1 EP85107968A EP85107968A EP0167112B1 EP 0167112 B1 EP0167112 B1 EP 0167112B1 EP 85107968 A EP85107968 A EP 85107968A EP 85107968 A EP85107968 A EP 85107968A EP 0167112 B1 EP0167112 B1 EP 0167112B1
Authority
EP
European Patent Office
Prior art keywords
workpiece
milling
tool
clamping device
bevels
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
EP85107968A
Other languages
German (de)
English (en)
Other versions
EP0167112A1 (fr
Inventor
Ludolf Stegherr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to AT85107968T priority Critical patent/ATE37819T1/de
Publication of EP0167112A1 publication Critical patent/EP0167112A1/fr
Application granted granted Critical
Publication of EP0167112B1 publication Critical patent/EP0167112B1/fr
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • 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

Definitions

  • the invention relates to a method and an apparatus for milling mitres arranged symmetrically to the central axis of a rung frame part and a plating connecting the miters to one another.
  • DE-PS 869 555 discloses a device and a method for milling mitres arranged symmetrically to the central axis of a rung frame part and a plating connecting the miters to one another.
  • finger mills are provided on two perpendicular, mutually associated spindles for milling the mitres in the rung frame part (workpiece), with the aid of which a miter is simultaneously milled from above and below into a rung that is clamped on a main slide and movable relative to the tool.
  • the workpiece is then unclamped and clamped on an additional slide arranged at another point on the machine housing, which moves the workpiece against a end mill that mills the central groove.
  • the object of the invention is to provide a method and an apparatus for mitering and simultaneously plating on rung frame parts and the like.
  • the miter is milled on one side on the workpiece to be milled in a clamping device by the milling tool being moved horizontally in one direction over the workpiece and transversely to the workpiece, the workpiece in the clamping device is pivoted through 180 °, during this pivoting of the workpiece through the working area of a grooving tool, a cylinder jacket-shaped plating is automatically milled, the milling unit is moved back in the opposite direction to the starting position and the other miter is milled into the second workpiece side, and then that Workpiece is swung back into the starting position and relaxed.
  • a device which is characterized by a guide device connected to the machine stand for receiving a milling cutter tool, which for milling the miter is horizontally displaceable and adjustable in height along the device, one connected to the frame and the workpiece underneath Workpiece holding device holding the clamping pressure, in which the workpiece can be positioned on the tools and which can be pivoted through 180 ° about its central axis, in such a way that the upper edge of the workpiece assumes the same height relative to the milling tool in both swivel positions, and a holding device arranged in the frame for a grooving tool with drive, which is arranged below the workpiece so that the grooving tool comes into engagement with the workpiece when pivoting the workpiece receiving device in order to mill the plating between the two tongues.
  • the two opposite miters and the cladding in between can be milled without unclamping or reclamping in that the milling cutter tool is displaced relative to the workpiece.
  • the operation includes a forward and a backward movement, at the end of the forward movement the workpiece with the receiving device is pivoted through 180 ° about the central axis of the workpiece, so that the miter milled during the forward movement with respect to the workpiece is identical to that in the Backward movement of the milling tool milled miter on the opposite side of the workpiece.
  • the height of the milling tool can be adjusted so that mitres of different depths or workpieces of different thicknesses can be milled.
  • This height adjustment is preferably carried out manually by adjusting a screw spindle, but can also be carried out in any other way.
  • a lock is also expediently provided, in which the selected height setting of the milling tool is locked.
  • the milling tool can be moved horizontally across the workpiece.
  • the grooving tool is adjustable in height as well as laterally, the latter in order to be able to make side corrections from z. B. when sharpening the tools occurring differences from nut to milling tool.
  • the present invention proposes to provide a correction setting between the milling tool and the grooving tool in that the grooving tool is arranged to be adjustable relative to the milling tool.
  • the milling tool is shown with 1 or 1 '.
  • the milling cutter 2 is fastened with its shaft 3 to a holding head 4.
  • Shank 3 with milling cutter 2 are driven by a drive motor 3.
  • the holder 4 of the shaft is fastened in a tool guide 6 and can be displaced in the direction of the arrow 7 relative to a workpiece holder 8 which holds the workpiece 9, e.g. a rung frame bar, with a T-shaped cross-section.
  • the workpiece 9 has legs 10 and 11 into which the milling cutter mills the mitres 12, 13.
  • the workpiece 9 is positioned in a clamping device 14, 15.
  • a clamping pressure is exerted against the clamping device via a clamping device 16 in order to block the workpiece on the clamping device 14, 15.
  • the workpiece holder 8 is then pivoted about an axis of rotation 17 in a circular line 18.
  • the workpiece 9 comes into engagement with a nuting unit 19, the nuting tool 20 of which milled a plating 21 into the workpiece 9.
  • the groove unit 19 is arranged in a height-adjustable manner in the frame configuration of the overall device.
  • the operation of the device according to the invention is as follows:
  • the milling tool 1 is shifted to the right in the direction of arrow 7 in the schematic illustration according to FIG. 1 and mills a miter 12 into the workpiece 9 during this movement.
  • This movement process is indicated at 1 ' completed.
  • the workpiece holder 8 with the workpiece 9 is then pivoted about the axis of rotation 17 along the line 18 by 180 °. With a partial pivoting by 90 °, the workpiece 9 in the workpiece holder 8 engages with the grooving tool 20, which mills a plate 21 in the workpiece. Then the workpiece 9 is pivoted further with the workpiece holder into the position 8 'and thus assumes a position pivoted by 180 ° with respect to the starting position.
  • the milling cutter 1 In this position of the workpiece 9, the milling cutter 1 is shifted from the position 1 'from right to left in the drawing, the milling cutter 2 seizing the second miter 13 and the milling cutter 1 finally assuming the starting position on the left in the drawing. This completes one working cycle of the device.
  • the finished workpiece 9 provided with the two opposing miters 12, 13 and the plating 21 is shown in FIG. 2 shown in perspective view.
  • the structure of the device according to the invention is shown in more detail in FIGS. 3, 4 and 5.
  • the machine frame 22 of the device consists of a lower part 23, which receives the grooving unit 19, and an upper part 24, which receives the milling tool 1 and the workpiece holder 8 with a piece 9, in the lower part 23 is the grooving unit 19, which includes the grooving drive, in fixed a frame part 25 which is suspended from an intermediate floor 26 on the machine frame.
  • the height adjustment of the nut unit 19 is carried out by means of height adjustment devices 27, 27.
  • the height adjustment of the nut tool 20 or the nut unit 19 can, however, be carried out in any other manner. Irrespective of and in addition to the height adjustment, the grooving tool can be adjusted to a small extent laterally in order to carry out a correction movement in the assignment to the milling cutter tool, as indicated by arrow 28.
  • the lower part 23 and the upper part 24 of the device consist of vertical and horizontal supports which are closed to form a frame and are enclosed by a housing 29 which is open laterally and at the front in the region of the upper part 23.
  • Carriers 30, 31 are fixed on the upper side of the upper part 24 and receive the bearing blocks 32, 33 for guide rods 34, 35, on which a carrier plate 36, which receives the milling cutter tool 1, can be displaced in the direction of the arrow 39 (FIG. 3).
  • a handle 37 on the milling tool 1 the milling tool with milling cutter 2 is moved by the operator via the total depth 1 -1 'of the device.
  • a height adjustment device 38 is attached, the z. B.
  • the workpiece holder 8 with the workpiece 9 is fastened on the frame or on the housing 29 so as to be adjustable in height about an axis 17.
  • Cylindrical rotary members 44, 45 are mounted on pins 42, 43 fixed to the housing, with the outer ends of which actuating levers 46, 47 are fastened and to which the workpiece holding device 8 is connected. With the aid of the actuating levers 46, 47, the workpiece holding device 8 with the workpiece 9 is rotated along the dash-dotted line 18 in FIG. 1.
  • Both rotary members 44, 45 are of identical design and each take up a receiving plate 48 which is fixedly connected to the rotary member in question.
  • the vertical mounting plate 48 has a horizontal leg 49 through which a bolt 50 is guided, the z. B. is provided with a screw thread, with which height adjustment is connected in the thread adjusting wheel 51.
  • the bolt 50 is connected to a horizontal support plate 52, which receives a second, movable receiving plate 53.
  • the workpiece 9 is arranged between the two mounting plates 48 and 53.
  • 54 designates a slide acting against the receiving plate 53, which is guided in a guide member 55 which is connected to the carrier plate 52 via a flange 56.
  • a lever arm 57 is fastened, which is articulated to an intermediate lever 58 articulated on the slide 54, such that when the lever 57 is actuated about the pivot point 59, the slide 54 is pressed against the movable mounting plate 53 is and thus the workpiece 9 is fixed between the mounting plate 48 and 53 by clamping pressure.
  • the workpieces can optionally also be clamped pneumatically, namely via pressure cylinders.
  • the workpiece holder plates 48 and 53 are cut out and divided according to the shape of the milling cutter 2 and at 62 according to the shape of the grooving tool 20, they represent a splinter guard.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Forests & Forestry (AREA)
  • Milling Processes (AREA)
  • Dovetailed Work, And Nailing Machines And Stapling Machines For Wood (AREA)
  • Door And Window Frames Mounted To Openings (AREA)

Claims (7)

1. Procédé pour le fraisage d'onglets disposés symétriquement par rapport à l'axe médian d'une partie de cadre à barreaux et d'une rainure reliant ensemble les onglets, dans lequel l'ébauche à fraiser est solidement fixée dans un dispositif de maintien, caractérisé en ce que
a) l'ébauche est fraisée d'un seul côté, tandis que l'outil de fraisage se déplace dans une direction horizontale sur l'ébauche et transversalement à l'ébauche,
b) le dispositif de maintien de l'ébauche subit une rotation de 180°.
c) par cette rotation de l'ébauche dans le champ de travail de l'outil de rainurage, une rainure en forme de paroi cylindrique est automatiquement fraisée,
d) l'outil de fraisage est ramené dans la direction opposée, dans la position de départ, et de ce fait le fraisage de l'onglet dans le deuxième côté de l'ébauche est effectué,
e) l'ébauche est retournée et débloquée dans la position de départ.
2. Dispositif pour le fraisage d'onglets disposés symétriquement par rapport à l'axe médian d'une partie de cadre à barreaux et d'une rainure reliant ensemble les onglets, caractérisé par
a) un dispositif de guidage (34, 35) lié au bâti de la machine (22, 24) pour recevoir un outil de fraisage (1) qui est déplaçable horizontalement le long du dispositif et réglable en hauteur, et qui fraise les onglets,
b) un dispositif de maintien d'ébauche (8) lié au cadre de la machine (22, 24) et maintenant l'ébauche (9) sous pression, qui peut tourner de 180° autour de son axe médian de telle sorte que, dans les deux positions terminales, l'arête supérieure de l'ébauche prend la même place en hauteur pour l'outil de fraisage (1), et
c) un dispositif de support disposé sur le cadre de la machine (22, 24) pour un outil de rainurage (20) avec entraînement, qui est disposé sous l'ébauche (9) de telle sorte qu'en retournant le dispositif de maintien d'ébauche, l'outil de rainurage vient s'engager avec l'ébauche pour le fraisage de la rainure (21).
3. Dispositif selon la revendication 2, caractérisé en ce que le dispositif de guidage (34, 35) comporte deux tiges de guidage parallèles sur lesquelles l'outil de fraisage (1) est disposé pour glisser.
4. Dispositif selon la revendication 2, caractérisé en ce que le dispositif de maintien d'ébauche (8) est solidement fixé à des parties du bâti de la machine, dans lesquelles il peut pivoter d'une position d'ébauche à une autre position d'ébauche décalée de 180°.
5. Dispositif selon l'une des revendications 2 ou 4, caractérisé en ce que le dispositif de maintien d'ébauche (8) comporte un dispositif de serrage sous pression pour fixer l'ébauche (9).
6. Dispositif selon l'une des revendications 2,4 ou 5, caractérisé en ce que le dispositif de maintien d'ébauche (8) est réglable en hauteur.
7. Dispositif selon la revendication 2, caractérisé en ce que l'outil de rainurage (20) est réglable latéralement pour alignement sur l'outil de fraisage (1), c'est-à-dire dans la direction de l'axe de l'ébauche (9).
EP85107968A 1984-07-05 1985-06-27 Procédé et appareil pour fraiser et rainurer des parties d'un cadre en bois Expired EP0167112B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85107968T ATE37819T1 (de) 1984-07-05 1985-06-27 Verfahren und vorrichtung zum fraesen und nuten von rahmenteilen aus holz.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3424680A DE3424680A1 (de) 1984-07-05 1984-07-05 Verfahren und vorrichtung zum fraesen und nuten von rahmenteilen aus holz
DE3424680 1984-07-05

Publications (2)

Publication Number Publication Date
EP0167112A1 EP0167112A1 (fr) 1986-01-08
EP0167112B1 true EP0167112B1 (fr) 1988-10-12

Family

ID=6239855

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85107968A Expired EP0167112B1 (fr) 1984-07-05 1985-06-27 Procédé et appareil pour fraiser et rainurer des parties d'un cadre en bois

Country Status (4)

Country Link
US (1) US4632165A (fr)
EP (1) EP0167112B1 (fr)
AT (1) ATE37819T1 (fr)
DE (2) DE3424680A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3609331C1 (de) * 1986-03-20 1986-12-04 Erwin 7261 Gechingen Jenkner Saege- und Bohrmaschine zum Aufteilen und Bohren plattenfoermiger Werkstuecke
US4934421A (en) * 1989-08-01 1990-06-19 Colonial Saw Company, Inc. Wood cutting machine
US5305812A (en) * 1993-03-05 1994-04-26 Ferencsik Robert P Programmable woodworking dovetail machine
GB2552355A (en) * 2016-07-20 2018-01-24 Mighton Products Ltd Cross joint milling machine

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1200836A (en) * 1915-03-22 1916-10-10 Harzer Holzwaren Fabrik Gebr Lohoff Wood-turning machine.
DE869555C (de) * 1951-05-08 1953-03-05 Ferdinand Fromm Vorrichtung und Verfahren zum Ausklinken von stabfoermigen Werk-stuecken, insbesondere von Fenstersprossenkreuze ergebenden Holzstaeben
US3735787A (en) * 1970-10-28 1973-05-29 Platt E A Stud and dado cutter
DE2215308C2 (de) * 1972-03-29 1973-11-22 Huebel & Platzer Maschinenbau-Gmbh, 6550 Bad Kreuznach Vorrichtung zum Fräsen von Keil zinken

Also Published As

Publication number Publication date
EP0167112A1 (fr) 1986-01-08
ATE37819T1 (de) 1988-10-15
DE3424680C2 (fr) 1989-06-15
DE3565490D1 (en) 1988-11-17
DE3424680A1 (de) 1986-02-06
US4632165A (en) 1986-12-30

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