EP0455962A2 - Dispositif pour travailler les zones de jonction en bois naturel, en particulier de cadres pour châssis et dormants de fenêtre - Google Patents

Dispositif pour travailler les zones de jonction en bois naturel, en particulier de cadres pour châssis et dormants de fenêtre Download PDF

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Publication number
EP0455962A2
EP0455962A2 EP91104275A EP91104275A EP0455962A2 EP 0455962 A2 EP0455962 A2 EP 0455962A2 EP 91104275 A EP91104275 A EP 91104275A EP 91104275 A EP91104275 A EP 91104275A EP 0455962 A2 EP0455962 A2 EP 0455962A2
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EP
European Patent Office
Prior art keywords
milling
forming
scantling
profile
drilling
Prior art date
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Granted
Application number
EP91104275A
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German (de)
English (en)
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EP0455962A3 (en
EP0455962B1 (fr
Inventor
Alfred Ullrich Berger
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Individual
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Publication of EP0455962A3 publication Critical patent/EP0455962A3/de
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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
    • B27F1/02—Making tongues or grooves, of indefinite length
    • 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
    • B27M1/00—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching
    • B27M1/08—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching by multi-step processes

Definitions

  • the invention relates to a device for processing parts to be joined from natural wood, in particular scantlings for window frames and casements.
  • DE-OS 35 33 404 shows a device for processing parts to be made from natural wood, in particular Kantein for window frames and sashes, consisting of a movable workpiece carrier for supporting the scantling, which is attached to a sawing device for cutting to length, a drilling device for the front Drilling blind holes in mullions and transoms and a milling device to form slot and tenon connections or counter profiling. Furthermore, drilling units are provided for double-sided drilling of blind holes in the longitudinal profile for the fastening of mullions and transoms. The front processing of the wooden scantlings is carried out again in the second part of the facility on the opposite side.
  • the starting point is scantlings, the end profiles of which are designed as slot and peg connections.
  • This requires milling devices that design the end profiles that are suitable for both sash and window frames of windows and design certain scantlings accordingly.
  • the above-described work processes take place in such a way that the workpiece, that is to say the wooden scantling to be machined, is clamped on a workpiece carrier and is then guided past it by a one-piece milling tool by means of a feed device.
  • the workpiece is arranged on the workpiece carrier so that it is perpendicular to the feed direction.
  • the feed device is reversed so that the workpiece carrier moves back to its starting position.
  • the workpiece is then released from the clamping device, rotated by 180 ° and clamped again.
  • the workpiece is guided past the milling tool again by means of the feed device, so that the final profiling of the still unprocessed end of the workpiece can be carried out.
  • the feed device is stopped and the workpiece is pushed onto a transport device arranged approximately perpendicular to the previous feed direction, which advantageously consists of a roller conveyor, which guides the workpiece resting on a fixed table past a milling tool, which the longitudinal profile, namely the window sash inner profile or the inner frame profile performed laterally and below.
  • the workpiece processed in this way is then fed from the transport device to a glazing bead separating saw, which, in conjunction with the milling tool, separates the window sash inner profile and the glazing bead from the window rebate ( " Unicontrol" angle machine from Michael Weinig AG in Tauberbischofsheim).
  • This known device has the serious disadvantage of cost complexity, which is primarily due to the milling tool for shaping the end profiles with the associated tool carriers.
  • the transfer device that is absolutely necessary to change the feed direction and that feeds the workpiece to the milling devices for longitudinal profiling after the final profiling.
  • the object of the invention is to reduce the constructional effort and the tooling effort of the device known in the prior art to a minimum.
  • the inventive measure eliminates the conventional, structurally complex milling device for forming the end profile of the wooden frame for slot and tenon connections.
  • This compact and also complicated device is thus replaced by an extremely simple drilling device, which only creates the conditions for a cheap dowel connection of the individual scantlings for the purpose of completing a sash or window frame. Due to the aligned arrangement of all devices, the linearity of the transport path of the scantling is preserved across all work processes, so that a transfer device for deflecting the transport path is completely unnecessary.
  • the deeply engaging, complex tools for the double-slot pin connection in the area of the window corners for the blind and casement frames are no longer required and are completely replaced via the dowel connection that is created via the blind holes.
  • the drilling device expediently has one or more drills which can be moved into the working position by means of compressed air.
  • the milling device for cutting the scraper to length is a circular saw that can be raised and lowered.
  • a workpiece carrier is designated, which has the shape of a table, which is along a guide 2, z. B. a round tour, guided and in the feed direction, so in the two Figures 1 and 2 from right to left.
  • the workpiece carrier 1 is driven by an electric motor 2a, which is connected to a pinion (not shown in the drawing for the sake of clarity), which in turn engages in a rack 3. It is clear that this feed device can also be designed differently.
  • a clamping device 4 On the workpiece carrier 1, a clamping device 4 is arranged, which in the embodiment shown has a pressure medium-actuated cylinder 5, with the piston rod of which a pressure member 6 is connected, which in the operating position is the workpiece 7 - in the present case the wooden scantling to be processed - is.
  • a clamping device 4 On the workpiece carrier 1, a clamping device 4 is arranged, which in the embodiment shown has a pressure medium-actuated cylinder 5, with the piston rod of which a pressure member 6 is connected, which in the operating position is the workpiece 7 - in the present case the wooden scantling to be processed - is.
  • more than one wooden scantling can be spanned.
  • the workpiece carrier 1 can be swiveled by 60 ° on both sides, so that the end faces of the workpiece can also be machined at a certain angle.
  • Reference number 8 indicates a milling device for cutting the workpiece 7 to length, which cuts it transversely to the wood fiber to the desired length.
  • a lifting and lowering circular saw is provided as the milling device, the invention of course not being limited to this particular embodiment. By lowering the circular saw is brought into the cutting position, by lifting it into the non-operating position.
  • FIG. 3 of the drawing shows a partial representation of a scantling with the two blind holes 10 and the dowels 11 used as connecting elements.
  • the drilling device 9 has one or more drills 12 which can expediently be moved into the working position by means of compressed air.
  • each drill is assigned a cylinder which can be pressurized with a pressure medium Drawing is not shown for the sake of clarity. If the pressure medium supply is interrupted, then the individual drills 12 automatically move back into their rest position. The return movement can also be carried out by means of springs.
  • the workpiece 7 clamped on the workpiece carrier 1 moves past a milling device 13 to form the counter profile, where counter profiles for the elements of the window frame or sash frame for the window are milled in at the end.
  • These counter profiles are indicated in FIG. 3 of the drawing with the reference numbers 14 and 15, respectively.
  • the milling device 13 consists of two lifting and lowering milling drums 17, 18 which are arranged separately on a driven spindle 16, and by loosening a nut 18a one or the other milling drums 17, 18 can be removed and possibly replaced by another milling drum.
  • the workpiece carrier 1 is intercepted by a buffer 19, the movement of the workpiece carrier 1 being reversed via a switching mechanism (not shown), which then stops in the starting position.
  • the one-sided processed wooden scantling is now released from the tensioning device 4, rotated by 180 ° in the horizontal plane and placed against a stop 20 which can be adjusted by hand or mechanically or electronically. After tensioning, the wooden scantling is cut to the desired length by the milling device 8. With the facilities 8, 9 and 13, in turn, all those machining operations are carried out that were previously carried out on one end of the wooden frame.
  • milling roll 17 While the milling roll 17 is used in the counter-profiling of parts of the casement, this machining process is carried out with parts of the window frame with the milling roll 18. This is the reason why a total of two milling drums 17 and 18 are provided.
  • the two milling drums 17 and 18 can be moved pneumatically, hydraulically or else mechanically into the respective operating position.
  • the former If the workpiece carrier 1 strikes against the buffer 19, the former is stopped. Then the workpiece 7 machined on the two end faces in the desired shape is released from the clamping device 4, pivoted 90 ° counterclockwise by hand and placed on a transport device 20, which the workpiece 7 is a device 21 for forming the longitudinal profile and a device 22 leads to the formation of the glass holding strip of the cantilever.
  • the device 21 for forming the longitudinal profile of the scantling consists of three milling rollers 24 - 26, which can be raised and lowered separately on a driven spindle 23 and can be detached from the associated spindle 23 by loosening the screw nut 27.
  • the device 21 mills the sash profiles with the glazing rebate profile with an integrated glazing bead, the device 22, which is switched on and lowered if necessary, takes over the removal of the glazing bead.
  • the upper frame part and the two upright frame wing parts are provided with the same inner longitudinal profile. This longitudinal profiling set is located as a further tool on the spindle 23 of the device 21.
  • a frame or sash consists of two upright and two transverse wooden scantlings.
  • the machining of workpieces 7 was described at the beginning.
  • the upright parts to be joined are cut to a predetermined length by means of the milling device 8.
  • the workpiece carrier 1 moves back to the starting position.
  • the joining portion is relaxed, o pivoted through 90 and again clamped by the clamping device 4 parallel to the stop edge of the workpiece carrier. 1
  • the position of the wooden frame now runs coaxially to the feed direction of the workpiece carrier 1.
  • This workpiece carrier 1 then travels to the drilling device 9, where 12 blind holes are now drilled perpendicular to the grain of the workpiece 7 by means of the preselected drilling pattern with the drills.
  • This aforementioned work operation takes place at the beginning and end of each upright wooden frame.
  • intermediate drilling positions can naturally be arranged, depending on the architectural division ratio of the element.
  • the device described above can be equipped extremely simply to form a frame milling machine.
  • the mobile workpiece carrier 1 is advanced as a workpiece support up to the axis A-A of the device 13.
  • the upper longitudinal profiling tool 17 is exchanged for a second, co-rotating wing profile profiling set.
  • the end grain is machined in synchronous milling.
  • the milling drum 24 is replaced by the wing milling set 28 of the device 23. It works in the opposite direction and cuts in the area of longitudinal profiling.
  • the set working in synchronism works in the device 13 and is pneumatically or hydraulically immersed as a plunge milling unit about 150 mm before the end of the frame. In this way, a wing milling according to FIG. 3 of the drawing is possible.
  • the frame profile 29 represents the upper and the two lateral inner profiles of the associated frame. This inner profile is produced with the device 21 and the frame milling rollers 24 in counter-milling.
  • the associated counter profile 30 is carried out with the milling device 13 and the milling drum 18.
  • the milling drum 25 provides the frame profile inside below.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Forests & Forestry (AREA)
  • Dovetailed Work, And Nailing Machines And Stapling Machines For Wood (AREA)
  • Joining Of Corner Units Of Frames Or Wings (AREA)
  • Milling, Drilling, And Turning Of Wood (AREA)
EP19910104275 1990-05-10 1991-03-20 Dispositif pour travailler les zones de jonction en bois naturel, en particulier de cadres pour châssis et dormants de fenêtre Expired - Lifetime EP0455962B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4014921 1990-05-10
DE19904014921 DE4014921C1 (fr) 1990-05-10 1990-05-10

Publications (3)

Publication Number Publication Date
EP0455962A2 true EP0455962A2 (fr) 1991-11-13
EP0455962A3 EP0455962A3 (en) 1992-04-08
EP0455962B1 EP0455962B1 (fr) 1994-07-06

Family

ID=6406057

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19910104275 Expired - Lifetime EP0455962B1 (fr) 1990-05-10 1991-03-20 Dispositif pour travailler les zones de jonction en bois naturel, en particulier de cadres pour châssis et dormants de fenêtre

Country Status (3)

Country Link
EP (1) EP0455962B1 (fr)
DE (1) DE4014921C1 (fr)
ES (1) ES2055481T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2854343A1 (fr) * 2003-04-29 2004-11-05 Mecanic Worker Outillages et methode pour realiser des fenetres en bois
EP0917935A3 (fr) * 1997-11-19 2004-11-17 Michael Weinig Aktiengesellschaft Procédé d'usinage de pièces en bois, plastique ou similaires dans une moulurière et moulurière pour la mise en oeuvre d'une telle méthode

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1260244B (it) * 1992-12-23 1996-04-02 Paride Sacchi Macchina per la lavorazione di pezzi in legno.
ITBO20060360A1 (it) * 2006-05-12 2007-11-13 Scm Group Spa Macchina tenonatrice.

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2907304A1 (de) * 1979-02-24 1980-08-28 Paul Hoffmeister Verfahren zur herstellung von endprofilen an einem werkstueck
BR8003369A (pt) * 1979-10-25 1981-04-28 Scm Finanz Maquinas para a usinagem de paineis, pranchas, perfilados ou semelhantes, em particular para madeira e seus derivados
DE3522278A1 (de) * 1984-12-08 1986-06-12 Erwin 7261 Gechingen Jenkner Verfahren zur herstellung von konstruktionsbohrungen aufweisenden plattenfoermigen werkstuecken, insbesondere aus holz oder holzaehnlichem material, sowie einrichtung zur durchfuehrung des verfahrens
DE3533404A1 (de) * 1985-09-19 1987-03-26 Okoma Maschf Gmbh Holzbearbeitungsmaschine
GB2202790B (en) * 1987-03-04 1991-01-30 Wadkin Public Ltd Co Improved spindle moulder
DE3741171A1 (de) * 1987-12-04 1989-06-15 Hans Kuehl Zimmerei-abbundanlage

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0917935A3 (fr) * 1997-11-19 2004-11-17 Michael Weinig Aktiengesellschaft Procédé d'usinage de pièces en bois, plastique ou similaires dans une moulurière et moulurière pour la mise en oeuvre d'une telle méthode
FR2854343A1 (fr) * 2003-04-29 2004-11-05 Mecanic Worker Outillages et methode pour realiser des fenetres en bois

Also Published As

Publication number Publication date
EP0455962A3 (en) 1992-04-08
EP0455962B1 (fr) 1994-07-06
DE4014921C1 (fr) 1991-10-10
ES2055481T3 (es) 1994-08-16

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