EP0430070B1 - Verfahren und Fräsmaschine zum gleichzeitigen Längsprofilieren von Fenstersprossen - Google Patents

Verfahren und Fräsmaschine zum gleichzeitigen Längsprofilieren von Fenstersprossen Download PDF

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Publication number
EP0430070B1
EP0430070B1 EP90122308A EP90122308A EP0430070B1 EP 0430070 B1 EP0430070 B1 EP 0430070B1 EP 90122308 A EP90122308 A EP 90122308A EP 90122308 A EP90122308 A EP 90122308A EP 0430070 B1 EP0430070 B1 EP 0430070B1
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EP
European Patent Office
Prior art keywords
moulding
moulded
support surface
feed direction
web
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 - Lifetime
Application number
EP90122308A
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German (de)
English (en)
French (fr)
Other versions
EP0430070A2 (de
EP0430070A3 (en
Inventor
Wilhelm Hirsch
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to AT90122308T priority Critical patent/ATE103849T1/de
Publication of EP0430070A2 publication Critical patent/EP0430070A2/de
Publication of EP0430070A3 publication Critical patent/EP0430070A3/de
Application granted granted Critical
Publication of EP0430070B1 publication Critical patent/EP0430070B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B27F1/02—Making tongues or grooves, of indefinite length
    • B27F1/06—Making tongues or grooves, of indefinite length simultaneously along opposite edges of a board
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B31/00—Arrangements for conveying, loading, turning, adjusting, or discharging the log or timber, specially designed for saw mills or sawing machines
    • B27B31/08—Discharging equipment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27C—PLANING, DRILLING, MILLING, TURNING OR UNIVERSAL MACHINES FOR WOOD OR SIMILAR MATERIAL
    • B27C5/00—Machines designed for producing special profiles or shaped work, e.g. by rotary cutters; Equipment therefor
    • B27C5/02—Machines with table
    • B27C5/04—Guide fences for work

Definitions

  • the invention relates to a method for the simultaneous longitudinal profiling of fixed rungs or similar wood to be profiled on two opposite sides, in which the respective wood blank to be profiled or the window rung on a workpiece table having a horizontal support surface between two vertical longitudinal center planes running on both sides in the feed direction arranged on the machine, extending in the direction of the longitudinal center plane, on opposite vertical surfaces of the wood blank to be profiled or on milled vertical surfaces of the profiled window rung, and two side guide rails mounted on opposite sides of the longitudinal center plane and rotating about vertical axes by means of a milling tool set rotating from above onto the Wood blank or the window unit acting feed unit is passed through, wherein the window bar an essentially T-shaped profile with a web and receives a glass cheek extending perpendicularly thereto and the web is milled vertically to the support surface.
  • the invention relates to a milling machine for simultaneous longitudinal profiling of window rungs or similar wood to be profiled on two opposite sides, with a workpiece table having a horizontal bearing surface, with a vertical longitudinal center plane of the milling machine arranged in the direction of advance and extending in the direction of the longitudinal center plane opposite vertical surfaces of the wood blank to be profiled, or side guide strips resting on milled vertical surfaces of the profiled window rung, with a feed unit provided above the contact surface, which acts on the wood blank or the window rung from above, and with two vertical milling spindles mounted on opposite sides of the longitudinal median plane, each carrying a set of milling tools, the window rung having an essentially T-shaped profile with a web and a glass cheek extending perpendicularly to it, and the web being milled standing vertically to the support surface.
  • the milling tool sets are arranged relative to the contact surface of the workpiece table in such a way that the Glass cheek is milled in the area adjacent to the support surface and the web of the window rung protrudes vertically upwards from the glass cheek.
  • the side guide strips lie only on the vertical surfaces of the wood blank or the milled web of the profiled window rung and are also used exclusively for lateral support and guidance.
  • the milled window rung is supported horizontally only by the fact that it is supported on the supporting surface with the outside of its glass wall facing downwards.
  • the feed device presses with its feed rollers or a feed belt from above first onto the upward-facing surface of the wood blank and after milling onto the upward-facing narrow side of the web.
  • This web is often only 10 mm thick or less.
  • the glass cheek is narrow in its extension perpendicular to the web, and / or if the glass cheek also has a profile on its outside which slopes towards its outer edges. In this case, the glass cheek is then only supported with a very narrow surface on the support surface of the workpiece table and the side guide strips no longer offer sufficient support to ensure that the window rung is profiled with dimensional accuracy. For this reason too, the blanks must be pre-profiled by sawing.
  • a height adjustment of the side guide rails is provided by means of ring-like documents, but this height adjustment serves the sole purpose of arranging the side guide rails so high that they can rest against the upwardly milled web of the window rung and that the glass cheek located below is unimpeded can pass under the side rails.
  • a horizontally arranged milling spindle is provided, which is arranged below the support surface of the work table.
  • the window rung is profiled here so that first half is profiled in a first operation and then in a second pass through the machine, the other half arranged symmetrically to it.
  • the web extends parallel to the support surface of the workpiece table.
  • the feed unit has a feed belt which first lies on the upward-facing surface of the wood blank and then on the side surface of the glass cheek. Since the side surface of the glass cheeks is often very narrow, short window rungs can be used Feed problems occur, which, however, are lower here because only one milling tool set works. Running the window rungs twice, however, requires twice the work. In addition, there is no upward support of the web, so that in the case of narrow webs, the rung can flutter during milling. This flutter leads to irregularities in the milled surface.
  • the invention has for its object to provide a method and a milling machine for the simultaneous longitudinal profiling of window bars or similar profiled woods on two opposite sides of the type mentioned, with which even very short rungs can be profiled quickly, accurately and with perfect surface quality without pre-profiling the wood blanks can, especially when the glass cheeks are narrow and / or profiled on their outer surfaces.
  • the method is characterized according to the invention in that the window rung is milled on opposite sides so that its glass cheek is formed on the upper side of the window rung facing away from the support surface of the workpiece table and its web is directed downwards towards the support surface, and that the When longitudinal profiling is created, the downward-facing horizontal inner surfaces of the glass cheek are supported in the feed direction behind the respective milling tool set on horizontal contact surfaces by horizontal guide strips.
  • the milling machine is characterized according to the invention in that on each side of the longitudinal center plane in the feed direction behind each milling tool set there is a horizontal guide bar extending in the feed direction is provided, which is adjustable in height relative to the support surface of the workpiece table and has an upward-facing, horizontal guide surface arranged at a height from the support surface, on which the window rung in an arrangement with an overhead glass cheek and a downward-facing web, each with one downward to the support surface towards the inner surface of its glass cheek can be supported, the height distance being adjustable to the same size or slightly larger than the height of the web of the window rung.
  • the invention is based on the idea of simultaneously milling the window rungs on opposite sides so that the glass cheek is formed on the upper side of the window rung facing away from the support surface of the workpiece table.
  • the web of the window rung is directed downwards towards the support surface.
  • the support in the vertical direction does not take place on the downward narrow side of the web, but on the downward horizontal inner surfaces of the glass cheek.
  • These inner surfaces are surfaces which in the later window frame lie in the plane of the glass pane and on which the outside of the glass pane is supported with the interposition of a seal.
  • the inner surfaces of the glass cheek are relatively wide and are supported on the horizontal guide surfaces of the horizontal guide rails.
  • the feed device acts on the outside of the glass cheek from above. Since this outside is generally wider than the narrow side of the web and because the feed rollers of the feed unit are also provided with a covering of elastic material are and can therefore adapt to the outside of the glass cheek, a relatively wide contact area is created between the feed rollers and the outside of the glass cheek. This wide contact area also enables the transfer of larger feed forces. In conjunction with the good support, it is therefore possible to machine window bars directly from wooden blanks that have a rectangular cross-section. It is not necessary to pre-profile these wood blanks in a separate operation by sawing.
  • the horizontal guide rails are adjustable in height relative to the support surface of the workpiece table so that the height distance of the horizontal guide surfaces from the support surface is the same or slightly larger than the height of the web of the window rung.
  • This sensitive height adjustment is necessary because the wood blank is supported on the support surface of the workpiece table before profiling, while the wood profile or the milled window rung should only be supported by the horizontal guide rails after profiling.
  • the milling machine is only shown in principle.
  • the milling machine has a workpiece table 1 with a horizontal support surface 2.
  • This workpiece table 1 extends in the longitudinal direction of the machine, i.e. in the feed direction V.
  • a vertical milling spindle 3, 4 is provided on each side of a vertical longitudinal center plane E-E extending in the feed direction V.
  • the milling spindles 3, 4 are driven by motors (not shown) and each carry a milling tool set 5, 6 consisting of a plurality of milling disks.
  • One milling spindle 3 can be stationary in a machine frame, while the other milling spindle 4 is perpendicular to the longitudinal center plane E-E in direction B is horizontally adjustable.
  • the milling spindles 3, 4 are supported in spindle supports 7, 8.
  • a first support bracket 9, 10 is provided on each spindle support 7, 8 in the feed direction V in front of the associated milling spindle 3, 4 and a second support bracket 11, 12 behind the milling spindles 3, 4.
  • Lateral guide strips 13, 14 are arranged on the first trestles 9, 10 and extend in the feed direction V. These side guide strips 13, 14 have vertical guide surfaces 13a, 14a.
  • the wooden blank R from which the window rung S is to be milled, initially initially has a rectangular cross section.
  • the vertical guide surfaces 13a, 14a serve for lateral support and guidance of the wood blank R and bear against its vertical surfaces R1 and R2.
  • Lateral guide strips 15, 16 are provided on the second trestles 11, 12, their vertical guide surfaces 15a, 16a, which extend parallel to the longitudinal center plane EE, bear against vertical surfaces 17a of the web 17 of the profiled window rung S and support the web 17 laterally.
  • one of the two side guide strips 16, as is indicated schematically by the spring 18, is resiliently supported on the support bracket 12, so that the web 17 is guided between the two side guide strips 15, 16 without play.
  • a horizontal guide bar 19, 20 extending in the feed direction V is provided in the feed direction V behind each milling tool set 5, 6.
  • Each of the two horizontal guide strips 19, 20 has an upwardly directed horizontal guide surface 19a, 20a, which is arranged at a height H from the support surface 2. This height distance H is the same size or slightly larger than the height h of the web 17, measured from its narrow side 17b to the inner surfaces 21a of the glass cheek 21 of the finished window rung S.
  • a fully profiled window rung S is shown in cross section in FIG.
  • This window rung S essentially has a T-shaped profile, with a web 17 and a glass cheek 21 extending perpendicularly thereto.
  • the outside 21b of the glass cheek 21 can be profiled as desired and, for example, have the shape as shown in FIG.
  • a window rung S is shown for the sake of simplicity, whose glass cheek 21 has a trapezoidal profile.
  • the inner surfaces 21a of the glass cheek 21 serve to support the window pane in the finished window sash. They extend parallel to the disc plane.
  • the outer surface of the window pane lies against the inner surfaces 21a with the interposition of a seal.
  • the web 17 extends between two adjacent window panes and is used to fasten glass retaining strips 22, which are shown in broken lines in FIG.
  • the window rungs S are milled so that the web 17 is arranged vertically and the support surface 2 faces, while the glass cheek 21 faces away from the support surface 2, is formed at the upper end of the web 17.
  • the horizontal guide rails 19, 20 are also arranged and supported on the trestles 11, 12.
  • the downwardly directed inner surfaces 21a of the glass cheek 21 are supported on their horizontal guide surfaces 19a, 20a.
  • the two horizontal guide strips 19, 20 can be adjusted in height in relation to the contact surface 2 of the workpiece table 1.
  • This height adjustment takes place in the embodiment shown, in which the trestles 11, 12 are connected to the spindle supports 7, 8, expediently in that the workpiece table 1, as indicated by the arrow C, is adjustable in height.
  • each milling tool set 5, 6 in the feed direction V is expediently combined with the associated horizontal guide bar 19 or 20 in a guide rail.
  • this guide rail is expediently an angular profile.
  • a feed unit which can have a plurality of synchronously driven feed rollers 23 arranged one behind the other in the feed direction. For the sake of clarity, only one feed roller 23 is shown in FIG. 1.
  • the feed rollers 23 are pressed from above against the upward-facing surface R3 of the wooden blank R or the outside 21b of the window rung S milled therefrom. You press the wooden blank R against the support surface 2 of the workpiece table 1 and also against the horizontal guide surfaces 19a and 20a of the horizontal guide rails 19, 20th
  • the new milling machine works as follows: A wooden blank R of rectangular cross section is inserted between the side guide strips 13, 14 in the feed direction V and then also reaches the area of the first feed roller 23. It is gripped by the latter and moved between the rotating milling tool sets 5, 6.
  • the side guide strips 13, 14 guide the wooden blank R by abutting the vertical surfaces R1 and R2.
  • the right side of the wood blank R is processed and profiled by the right milling tool set 5, the half of the later window rung S lying on the right in relation to the longitudinal center plane EE receiving its final profile.
  • the horizontal surface 2a of the workpiece table 1 is expedient in the area lying in the feed direction V behind the milling tool sets 5, 6 opposite the Support surface 2 in the area lying in front of the milling tool sets 5, 6 is arranged somewhat lower by about 0.3 to 0.5 mm. It is avoided that the height support takes place via the narrow web 17.
  • the glass holding strips 22 can be produced and profiled simultaneously with the window rung S, they are profiled by means of appropriately designed milling tool sets 5, 6 during the passage of the wooden blank R.
  • the glass holding strips 22 are then after they have passed through the milling tool sets 5, 6 Web 17 integrally formed and still have to be separated from this.
  • the two milling tool sets 24, 25 can be arranged on a common milling spindle 26, which is arranged below the horizontal surface 2a of the workpiece table 1 transversely to the feed direction V.
  • the two milling tool sets 24, 25 are indicated by dash-dotted lines in FIG. 1.
  • the glass holding strips 22 are separated from the web 17 by means of the milling tool sets 24, 25 and at the same time are also profiled on their underside.
  • each angle profile on its side guide strip 15, 16 in the area behind the milling tool sets 24, 25 has an extension 15 ', 16' extending down into the milling slot.
  • These extensions 15 ', 16' serve as an additional guide for the web 17 and also as guides for the glass retaining strips 22.
  • they also have the function of a so-called riving knife as is customary in circular saws.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Forests & Forestry (AREA)
  • Milling, Drilling, And Turning Of Wood (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Shovels (AREA)
EP90122308A 1989-11-30 1990-11-22 Verfahren und Fräsmaschine zum gleichzeitigen Längsprofilieren von Fenstersprossen Expired - Lifetime EP0430070B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90122308T ATE103849T1 (de) 1989-11-30 1990-11-22 Verfahren und fraesmaschine zum gleichzeitigen laengsprofilieren von fenstersprossen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3939564A DE3939564A1 (de) 1989-11-30 1989-11-30 Fraesmaschine zum gleichzeitigen laengsprofilieren von fenstersprossen
DE3939564 1989-11-30

Publications (3)

Publication Number Publication Date
EP0430070A2 EP0430070A2 (de) 1991-06-05
EP0430070A3 EP0430070A3 (en) 1991-09-18
EP0430070B1 true EP0430070B1 (de) 1994-04-06

Family

ID=6394483

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90122308A Expired - Lifetime EP0430070B1 (de) 1989-11-30 1990-11-22 Verfahren und Fräsmaschine zum gleichzeitigen Längsprofilieren von Fenstersprossen

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EP (1) EP0430070B1 (zh)
AT (1) ATE103849T1 (zh)
DE (3) DE8914116U1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69634103T2 (de) * 1995-07-24 2005-05-19 Jfe Steel Corp. Gerät zum Oberflächenbearbeiten von heissgewalzten Stahlmaterialien
CN103978521B (zh) * 2014-05-28 2016-01-06 浙江乐韵钢琴有限公司 肋木和弦码加工用铣机

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1711342A (en) * 1928-02-10 1929-04-30 Russell G Dishman Device for holding moldings
DE1690473U (de) * 1954-11-02 1954-12-30 Festo Maschf Stoll G Vorrichtung zur fuehrung der werkstuecke an einer stabfraese fuer holzleisten.
US3454062A (en) * 1967-02-21 1969-07-08 Calvert H Wiley Bench saw moulding head guide
DE2749546A1 (de) * 1977-11-05 1979-05-10 Bernd Teichmann Fensterhoelzer-bearbeitungsmaschine
IT8220780V0 (it) * 1982-02-10 1982-02-10 Celaschi S R L Squadratrice doppia automatica per la lavorazione del legno, di struttura alquanto compatta e a frese multiple.
DE3312067A1 (de) * 1983-04-02 1984-10-04 Robert Bosch Gmbh, 7000 Stuttgart Elektromagnetisch betaetigbares ventil
DE8707547U1 (de) * 1987-05-26 1987-10-29 Okoma Maschinenfabrik Gmbh, 7082 Oberkochen Glasleistensäge
IT1221235B (it) * 1988-03-09 1990-06-21 Scm Ind Spa Metodo e gruppo per il raddrizzamento su quattro lati di pezzi di lagno a sezione quadrangolare

Also Published As

Publication number Publication date
EP0430070A2 (de) 1991-06-05
DE59005261D1 (de) 1994-05-11
EP0430070A3 (en) 1991-09-18
ATE103849T1 (de) 1994-04-15
DE3939564A1 (de) 1991-06-06
DE8914116U1 (de) 1991-03-28
DE3939564C2 (zh) 1991-09-12

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