EP0157161A1 - Strickholzbalken, Fräsmaschine zum Herstellen desselben und Gebäude hergestellt mit Strickholzbalken - Google Patents

Strickholzbalken, Fräsmaschine zum Herstellen desselben und Gebäude hergestellt mit Strickholzbalken Download PDF

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Publication number
EP0157161A1
EP0157161A1 EP85102079A EP85102079A EP0157161A1 EP 0157161 A1 EP0157161 A1 EP 0157161A1 EP 85102079 A EP85102079 A EP 85102079A EP 85102079 A EP85102079 A EP 85102079A EP 0157161 A1 EP0157161 A1 EP 0157161A1
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EP
European Patent Office
Prior art keywords
knitted
milling
wood
milling machine
machine according
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.)
Withdrawn
Application number
EP85102079A
Other languages
German (de)
English (en)
French (fr)
Inventor
Ignaz Düringer
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.)
Oertli Werkzeuge AG
Original Assignee
Oertli Werkzeuge AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Oertli Werkzeuge AG filed Critical Oertli Werkzeuge AG
Publication of EP0157161A1 publication Critical patent/EP0157161A1/de
Withdrawn legal-status Critical Current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
    • 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
    • B27M3/0066—Manufacture or reconditioning of specific semi-finished or finished articles of composite or compound articles characterised by tongue and groove or tap hole connections
    • 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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
    • E04B2/70—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of wood
    • E04B2/701—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of wood with integrated supporting and obturation function
    • E04B2/702—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of wood with integrated supporting and obturation function with longitudinal horizontal elements

Definitions

  • the invention relates to a knitted wooden beam, which in each case has a cut running transversely to the beam direction to produce a connection to another such knitted wooden beam, the beam end being connected to the central part of the beam via a connecting piece.
  • Sealing is a problem with such block buildings. In the past, layers of moss were often used for this. But other materials are also available today. Sealing in the area of the Crossing points, because there have to be cutouts on the beams. As a rule, this recess has the shape of a semicircular incision running transversely to the beam direction. The disadvantage here is that this incision never fits perfectly with the other log and rather has to be somewhat oversized, in which case the resulting gap then has to be sealed. For the stability of the building, it is also unfavorable if one bar at the crossing point can move relative to the other bar.
  • both the sealing and the stability problems are eliminated in that cutouts are arranged on two sides of the knitted wooden beam in such a way that the connecting piece has a profile which corresponds to the profile of an incision.
  • cutouts are arranged on two sides of the knitted wooden beam in such a way that the connecting piece has a profile which corresponds to the profile of an incision.
  • the side recesses are expediently adapted to the shape of the knitted wooden beam. This ensures a visually pleasing design, as can also be found in the previous knitted wooden beams.
  • the width of the sipe and thus also of the matching in this incision Verbindun g s tee in the range of one-third to two-thirds of the knitting width of wooden beams.
  • the width of the cut in round timber beams is advantageously around a second of the beam diameter.
  • a groove extending in the longitudinal direction which has a radius which practically corresponds to the radius of the round timber beam. This enables a good seal, in particular if a sealing strip in the form of a foam tape or the like is inserted between the beams during construction.
  • the invention also relates to a building which is produced using the knitted wooden beams described. It is expedient if, in such a building, the knitted wooden beams are arranged with the incisions upward, because then the overlapping wood in the area of the lateral cutouts largely prevents moisture from penetrating into the connecting pieces.
  • the invention also relates to a milling machine for producing knitted wooden beams.
  • the milling machine according to the invention is characterized by a milling cutter which is relatively displaceable in the transverse direction to the beam for milling out a cut running transversely to the beam axis, and by a pair of cutters which are used to cut out recesses on both sides of the knitted timber beam and to form a cut into the cut a connecting piece of the beam part of a knitted wood beam is practically displaceable practically perpendicular to the beam axis.
  • a milling cutter which is relatively displaceable in the transverse direction to the beam for milling out a cut running transversely to the beam axis
  • a pair of cutters which are used to cut out recesses on both sides of the knitted timber beam and to form a cut into the cut a connecting piece of the beam part of a knitted wood beam is practically displaceable practically perpendicular to the beam axis.
  • each milling cutter of the milling cutter pair can be driven by a separate drive axis.
  • These drive axes can be arranged so that they do not limit the depth of penetration of the cutters of the pair of cutters.
  • the cutters of the pair of cutters are advantageously driven by a common motor. This simplifies the construction and control of the milling machine.
  • the thickness of the beam part in the area of the knitted connection can be adjusted without the need to replace milling cutters.
  • the cutter for the incision is advantageously arranged on a horizontally displaceable slide. It would be possible to arrange the router firmly and to move the knitting beam. However, this would have the disadvantage that a larger mass would have to be moved. It is therefore advantageous if the milling cutter can be moved by means of a slide for the incision. The same applies to the pair of cutters for milling the cutouts on both sides of the knitted beam.
  • One embodiment therefore provides that the pair of milling cutters is arranged on a vertically displaceable slide.
  • the pair of cutters is arranged on a swivel arm, in which case the motor for driving the pair of cutters could be arranged in a stationary manner.
  • means are provided for blocking movement of the incision milling cutter and the milling cutter pair. This means that a possible collision of the incision milling cutter with the milling cutter pair is avoided.
  • the milling machine advantageously has a table for supporting the beam and clamping means for clamping the beam. This results in a very simple construction of the machine.
  • the processing of the beam is made easier if at least one adjustable stop is provided for one beam end.
  • Another embodiment of the invention provides that, instead of a table, a beam transport carriage or carriage is provided for transporting the knitted wood beam into the working position.
  • the invention provides that drive devices are provided for the horizontal and vertical carriages and optionally for the beam transport carriage or carriage, and a control device for these drive devices.
  • FIG. 1 shows the crossing point of knitted wooden beams 10, all of which have an incision 11 running in an identical manner transverse to the beam direction.
  • the advance 13 is connected to the central part 17 of the beam via a connecting piece 15 (only that of the lowest beam is visible).
  • This design which is the same for all knitted wooden beams, can be seen particularly well from the perspective illustration in FIG. 2.
  • longitudinal grooves 19 are provided in the beams above and below, which prevent lateral tearing and can also serve to insert a sealing strip.
  • FIGS. 3 to 5 The more detailed design of the knitted wood beam in the area of the crossing point also results from FIGS. 3 to 5.
  • recesses 21 are arranged on two sides of the knitted wood beam in such a way that the connecting piece 15 has a profile, which corresponds to the profile of an incision 11.
  • the connector 15 of the one bar thus fits into the recess 11 of the other bar.
  • the lateral cutouts are adapted to the shape of the knitted wooden beam, which comes to lie at the bottom (see FIG. 1). Since the cross-section of the knitted wood beam is round in FIGS. 1 to 5, the recess 21 is semicircular.
  • the upper knitted wood beam therefore covers the lower knitted wood beam in the area of the cross connection and thus largely prevents rainwater from penetrating to the connecting piece.
  • the width b of the incision 11 is approximately half the beam diameter D. Accordingly, the width B of the connecting piece is also selected such that it corresponds to the width b of the incision, i.e. is smaller by a small amount. However, it is also possible to dimension the width of the incision or of the connecting piece differently. However, it should be in the range of one third to two thirds of the width of the knitted beam. In order to achieve a better seal, a round groove or cutout 23, which has a radius (D / 2) which practically corresponds to the radius of the round wood beam, is advantageously provided at the bottom in the case of round wood beams.
  • Figures 6 to 8 show a knitted wooden beam made of profiled wood. Different profiles are possible.
  • the profile shown in FIG. 7 gives a particularly pleasing appearance to the structure erected with the knitted wooden beam.
  • the profile of Figure 7 can be seen as a kind of square wood.
  • an incision 11 and two lateral cutouts 21 are also provided in this embodiment, but the shape of the cutouts 21 is somewhat different in order to take into account the special shape of the knitted wooden beam.
  • this has curved side surfaces 22.
  • At the bottom of the beam 10 there are two parallel grooves 19 ', while corresponding springs 25 are provided at the top, which fit into such grooves 19' of a beam. This enables a good seal.
  • Such springs 25 are expediently also arranged in the region of the connecting piece 15.
  • FIG. 9 explains the principle of the production of knitted wood beams with the milling machine according to the invention.
  • the milling cutter 25 can be displaced in the direction of the beam in order to mill out the incision 11 running transversely to the beam axis.
  • the pair of cutters with the cutters 27, 29 can be displaced practically perpendicular to the beam axis in order to mill out the cutouts 21 on both sides of the beam 10.
  • Each of the milling cutters 27, 29 can be driven by a separate drive axle 31, 33, so that the depth of penetration of the milling cutters 27, 29 in the direction of arrow 35 is not limited by a drive axle.
  • the distance between the milling cutters 27, 29 determines the thickness of the beam part 15, which serves as a connecting piece between the central part 17 and the advance 13 of the knitted beam 10. As mentioned earlier, the connector 15 of one knitted beam fits into the cut 11 of the other knitted beam.
  • the milling cutter 25 is designed as a round milling cutter in order to produce a radius which corresponds to the radius of the knitted wooden beam. However, it is also possible to use a milling cutter 25 which does not produce a rounding but an incision 11 with a rectangular profile.
  • the incision cutter 25 is mounted on a horizontally displaceable slide 35.
  • the pair of cutters 27, 29 is arranged on a vertically displaceable carriage 37.
  • the horizontal slide 35 can be moved with the handle 36.
  • the handle 38 serves to move the carriage 37.
  • a table 39 serves to receive the bar 10 to be machined.
  • the bar is guided to the table 39 for machining via the roller conveyor 41 until it strikes the stop 43.
  • the beam 10 is then clamped with the clamping devices 45, whereupon one slide 35 after the other 37 can be moved with the handles 36 or 38 in order to mill out the incision 11 (FIG. 9) and the cutouts 21.
  • the beam 10 is then moved to the roller conveyor 42 and then struck at the stop 44 with the other end, whereupon it can in turn be clamped and processed.
  • the motor 47 drives the drive shaft 33 of the milling cutter 29 via the pulley 48, the V-belt 49 and the pulley 50.
  • the same motor 47 drives the drive shaft 31 of the milling cutter 27 via the pulley 51, the V-belt 52 and the pulley 53.
  • the pair of milling cutters 27, 29 is therefore able to penetrate into the wood bes beam 10 via the axis of rotation.
  • the drive shafts 31, 33 are mounted in bearings 55, 56 which can be axially displaced on a guide 57.
  • the screws 59, 60 serve to lock the bearings in the desired position. This axial displaceability makes it possible to set the distance between the milling cutters 27, 29 so that the beam part 15 (FIG. 9) has the desired width.
  • the slides 35 and 37 are guided through a pair of columns 61 and 63, respectively. So that a possible collision between the cutter 25 and the Milling cutter pair 27, 29 is avoided, a stop 65 is arranged on the carriage 35, which can strike the carriage 37. Conversely, the carriage 37 can also strike the lower part of the stop 65 when the carriage 37 is moved upwards and the milling cutter 25 is in the working position.
  • the weight of the slide 37 together with the drive mechanism and milling cutter acts on a pivotable counterweight 67.
  • the cable pull 72 running over the rollers 69 and 71 is provided for this purpose.
  • clamping devices 45 are arranged on a column 73 with screws 75 so that they can be locked. This enables a rough adjustment.
  • Two adjustable side stops 77 can be provided to facilitate the positioning of the beam 10 on the machine.
  • guide means engaging in the groove 23 can also be used advantageously for lateral positioning.
  • the positioning of the beam transport carriage 81 is effected by a suitable arrival triebseinrichtun g 89 which is also controlled by the control device 87th
  • Probes 91, 93 for example light scanners or light barriers, can be provided in order to scan the ends of the bar 10.
  • the probes 91, 93 then act in a similar way to the stops 43, 44 in the machine of FIG. 10. However, it would also be possible to determine the distances between the millings by means of a numerical control. In this case, the corresponding data would have to be entered into the control device 87.
  • the finished knitted wooden beam 10 can be detached from the beam transport slide 81, whereupon the machine is ready to receive a new beam.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Dovetailed Work, And Nailing Machines And Stapling Machines For Wood (AREA)
EP85102079A 1984-03-02 1985-02-26 Strickholzbalken, Fräsmaschine zum Herstellen desselben und Gebäude hergestellt mit Strickholzbalken Withdrawn EP0157161A1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CH104584 1984-03-02
CH1045/84 1984-03-02
CH313984 1984-06-29
CH3139/84 1984-06-29

Publications (1)

Publication Number Publication Date
EP0157161A1 true EP0157161A1 (de) 1985-10-09

Family

ID=25686471

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85102079A Withdrawn EP0157161A1 (de) 1984-03-02 1985-02-26 Strickholzbalken, Fräsmaschine zum Herstellen desselben und Gebäude hergestellt mit Strickholzbalken

Country Status (2)

Country Link
EP (1) EP0157161A1 (fi)
FI (1) FI850841L (fi)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988009852A1 (en) * 1987-06-10 1988-12-15 Anton Plankensteiner Wooden beam for blockhouses or similar and milling machine for a wooden beam
FR2855998A1 (fr) * 2003-06-16 2004-12-17 Patrick Marcel Strzyzewski Usinage par fraise diabolo de diametre exterieur sur tous les types de poteaux de diametres differents pour emboitement en coin
BE1019536A3 (nl) * 2010-10-12 2012-08-07 Arelli Nv Inrichting en werkwijze voor het bewerken van boomstammen.
LT5986B (lt) 2013-04-17 2014-01-27 Ritsu Ehituse OÜ Tašų kampinis dyginis sujungimas, išlaikantis proporcijas

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB278966A (en) * 1927-03-25 1927-10-20 Alexandre Maes Improvements in machines for grooving or shaping wooden frame members or the like
US2130231A (en) * 1935-05-09 1938-09-13 Ernest A Forciea Log cabin structure
DE869555C (de) * 1951-05-08 1953-03-05 Ferdinand Fromm Vorrichtung und Verfahren zum Ausklinken von stabfoermigen Werk-stuecken, insbesondere von Fenstersprossenkreuze ergebenden Holzstaeben
US3010495A (en) * 1960-02-04 1961-11-28 Harold N Ipsen Log notching machine
DE1528354A1 (de) * 1965-04-01 1970-08-13 Saemmtliche Riedesel Freiherre Vorrichtung zur maschinellen Bearbeitung ungleichmaessiger Hoelzer
GB1338573A (en) * 1971-05-21 1973-11-28 Gray Contractors Ltd David Machine for cutting transverse slots in wooden beams

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB278966A (en) * 1927-03-25 1927-10-20 Alexandre Maes Improvements in machines for grooving or shaping wooden frame members or the like
US2130231A (en) * 1935-05-09 1938-09-13 Ernest A Forciea Log cabin structure
DE869555C (de) * 1951-05-08 1953-03-05 Ferdinand Fromm Vorrichtung und Verfahren zum Ausklinken von stabfoermigen Werk-stuecken, insbesondere von Fenstersprossenkreuze ergebenden Holzstaeben
US3010495A (en) * 1960-02-04 1961-11-28 Harold N Ipsen Log notching machine
DE1528354A1 (de) * 1965-04-01 1970-08-13 Saemmtliche Riedesel Freiherre Vorrichtung zur maschinellen Bearbeitung ungleichmaessiger Hoelzer
GB1338573A (en) * 1971-05-21 1973-11-28 Gray Contractors Ltd David Machine for cutting transverse slots in wooden beams

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988009852A1 (en) * 1987-06-10 1988-12-15 Anton Plankensteiner Wooden beam for blockhouses or similar and milling machine for a wooden beam
FR2855998A1 (fr) * 2003-06-16 2004-12-17 Patrick Marcel Strzyzewski Usinage par fraise diabolo de diametre exterieur sur tous les types de poteaux de diametres differents pour emboitement en coin
BE1019536A3 (nl) * 2010-10-12 2012-08-07 Arelli Nv Inrichting en werkwijze voor het bewerken van boomstammen.
LT5986B (lt) 2013-04-17 2014-01-27 Ritsu Ehituse OÜ Tašų kampinis dyginis sujungimas, išlaikantis proporcijas

Also Published As

Publication number Publication date
FI850841A0 (fi) 1985-03-01
FI850841L (fi) 1985-09-03

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Effective date: 19860920

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Inventor name: DUERINGER, IGNAZ