EP0385056B1 - Fräsmaschine zum Längsprofilieren von Rahmenhölzern für Fenster oder Türen - Google Patents

Fräsmaschine zum Längsprofilieren von Rahmenhölzern für Fenster oder Türen Download PDF

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Publication number
EP0385056B1
EP0385056B1 EP90100073A EP90100073A EP0385056B1 EP 0385056 B1 EP0385056 B1 EP 0385056B1 EP 90100073 A EP90100073 A EP 90100073A EP 90100073 A EP90100073 A EP 90100073A EP 0385056 B1 EP0385056 B1 EP 0385056B1
Authority
EP
European Patent Office
Prior art keywords
guide
machine according
tongue
guide tongue
milling
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
EP90100073A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0385056A2 (de
EP0385056A3 (de
Inventor
Wilhelm Hirsch
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
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
Priority claimed from DE3906921A external-priority patent/DE3906921A1/de
Application filed by Individual filed Critical Individual
Priority to AT90100073T priority Critical patent/ATE97849T1/de
Publication of EP0385056A2 publication Critical patent/EP0385056A2/de
Publication of EP0385056A3 publication Critical patent/EP0385056A3/de
Application granted granted Critical
Publication of EP0385056B1 publication Critical patent/EP0385056B1/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
    • 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
    • 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 milling machine for longitudinal profiling of frame timber for windows or doors, with a workpiece table having a horizontal support surface, with at least one vertical tool spindle mounted in a spindle housing which is vertically adjustable relative to the workpiece table and which carries a plurality of milling tool sets, one of which is arranged one above the other can be brought into the working position by adjusting the height of the spindle housing, with a guide bar arranged on both sides of the tool spindle, which has a vertical contact surface for the frame wood and is adjustable perpendicular to its contact surface with respect to the tool spindle, and with a guide surface assigned to each guide bar aligned guide tongue, the free end of which in the working position of the respective milling tool set extends as close as possible.
  • Milling machines of this type are used for longitudinal profiling of frame timber for windows and doors.
  • the frame members have different profiles on the inside and the outside, whereby the profiles on the horizontal frame parts can also differ from those of the vertical frame parts.
  • the profiles of the frame wood for the casement and the frame are different. So that the various profiles can be milled one after the other without changing tools, several milling tool sets are arranged on the tool spindle, one of which can be brought into the working position by adjusting the height of the spindle housing. In practice, such tool spindles also known as "lifting spindles".
  • guide strips are provided on both sides of each tool spindle, on the vertical contact surfaces of which the frame wood is pressed during its longitudinal displacement.
  • guide tongues are screwed onto the ends of the guide rails facing the tool spindle.
  • the free ends of these guide tongues should extend as close as possible to the milling tool set in the working position so that the opening that remains between the facing ends of the guide tongues is as small as possible, since the frame wood is not guided in the area of the opening.
  • they In order to achieve the smallest possible opening between the facing ends of the guide tongues, they have been made of plastic or glued plywood.
  • the opening is then in each case in Milling tool set located in the working position is milled into the guide tongues when the tool spindle is shifted horizontally forward from its rear rest position into its working position with respect to the guide strips.
  • the individual milling tool sets are composed of milling cutters with very different diameters and also different working widths and the different milling tool sets are used one after the other, the opening width between the free ends of the guide tongues ultimately depends on the milling cutter with the largest working diameter.
  • This opening width is relatively large and shorter frame members are then no longer exactly guided when they are moved longitudinally.
  • the opening width is too large even if the tool spindle is only adjusted in height and is not moved back and forth. In this case, the guide tongues are then milled away from the milling cutter with the largest diameter.
  • the invention is an object of the invention to provide a milling machine for longitudinal profiling of frame timber for windows or doors of the type mentioned, in which the opening width between the free ends of the guide tongues is as small as possible to ensure optimal guidance of the frame timbers, whereby At the same time, better dust and chip extraction should also be guaranteed.
  • this is achieved by that between each guide bar and the associated guide tongue one guide tongue carrier is provided, which on the associated guide bar by means of a guide device is vertically displaceable so that the guide tongue arranged on it is always aligned with the contact surface of the associated guide bar, that the guide tongue carrier is height-adjustable synchronously with the spindle housing, and that the guide tongues extend in the vertical direction over all the milling tool sets arranged one above the other and have several cutouts which are graded according to the individual milling cutters of the milling tool sets and are closely matched to the working diameter and the working width of the assigned milling cutters, through which the milling cutter assigned to each cutout passes with a part of its diameter and can protrude beyond the guide tongues.
  • the invention is therefore based on the idea of initially designing the guide tongues so high that they extend over all milling tool sets arranged one above the other and then moving the guide tongues up and down in synchronism with the tool spindle or the milling tool sets arranged thereon.
  • a certain area of the guide tongue therefore always remains at the same height as the milling tool set assigned to this area.
  • the recesses required in the guide tongues for the milling cutters to pass through can thus be optimally adapted to the respective working diameters and working widths of the individual milling cutters.
  • This adaptation expediently takes place in that the cutouts in the guide tongue directly through the milling tool set assigned to a specific area of the guide tongue are milled.
  • the cutouts required for the partial passage of a milling cutter are precisely adapted to the milling cutter diameter and the working width, the opening width between the mutually facing ends of the two guide tongues is as small as possible.
  • the frame timbers are supported as they move into the immediate vicinity of the milling tool sets and are accordingly given good guidance.
  • the guide tongues more precisely, their vertical contact surfaces facing the frame wood, are also exactly aligned with the contact surface of the associated guide bar, which in turn is horizontally adjustable to adjust the chip removal.
  • the guide tongue carrier is guided on the associated guide bar so as to be vertically displaceable by means of a guide device. Since in the embodiment according to the invention the guide tongues extend over the entire height of the milling tool sets of a tool spindle arranged one above the other and since the cutouts in the guide tongues can also be kept optimally small, the guide tongues form, so to speak, a completely closed end wall, the openings formed by the cutouts also are closed by the individual milling cutters.
  • This self-contained end wall can be part of a suction hood enclosing the milling tool sets at the rear be, parts of the guide tongue carrier can form lateral boundary walls.
  • the guide tongues designed according to the invention thus also ensure better dust and chip extraction and thus also have a second important function.
  • a particularly advantageous embodiment of the invention consists in the fact that the guide tongue carrier is mechanically coupled to the spindle housing via a driving device. This direct mechanical coupling between the guide tongue carrier and the spindle housing ensures a particularly simple and reliable synchronous height adjustment between the two parts. If necessary, the height adjustment of the guide tongue carrier could also be carried out via a separate servomotor.
  • the milling machine for longitudinal profiling of frame timber has a workpiece table 1 with a horizontal contact surface 1a.
  • a vertical tool spindle which can be driven by means of a motor (not shown) is mounted in a spindle housing 2 which is vertically adjustable relative to the workpiece table 1.
  • This tool spindle 3 carries a plurality of milling tool sets 4, 5, 6 arranged one above the other, each of which consists of a plurality of milling cutters 4a, 4b, 4c; 5a, 5b, 5c and 6a, 6b, 6c is composed.
  • these milling cutters shown in the drawing can have very different working diameters D1, D2 and D3 and also very different working widths B1, B2, B3.
  • Such tool spindles 3 with milling tool sets 4, 5, 6 can be provided at a distance next to one another on one and the same milling machine.
  • one of the milling tool sets 4, 5, 6 can be brought into the working position, the bottom milling cutter 4c, 5c, 6c then being located approximately at the level of the support surface 1a of the workpiece table.
  • the lowest milling tool set 4 is in the working position.
  • a guide bar 7, 8 is arranged on each side of the tool spindle 3.
  • Each of the guide strips 7, 8 has a vertical contact surface 7a, 8a for the frame wood.
  • the two guide strips 7, 8 can be adjusted perpendicular to their contact surfaces 7a, 8a independently of one another in the direction of arrow C.
  • the adjustability is about 10 mm and is used to adjust the chip removal.
  • guide tongues 9, 10 There are also two guide tongues 9, 10, the vertical contact surfaces 9a, 10a of which must be aligned with the contact surfaces 7a, 8a of the associated guide strips 7, 8.
  • the guide tongues 9, 10 extend in the vertical direction over all milling tool sets 4, 5, 6 arranged one above the other, as can be seen from FIG.
  • a guide tongue support 11, 12 is provided between each guide bar 7, 8 and the associated guide tongue 9, 10.
  • Each guide tongue carrier 11, 12 is guided on the associated guide bar 7, 8 so as to be vertically displaceable by means of a guide device 13, 14 in such a way that the contact surface 9a, 10a of the guide tongue 9, 10 arranged thereon is always in contact with the contact surface 7a, 8a of the associated guide bar 7, 8 is aligned.
  • the guide device 13 has a vertical guide rail 15 which is fixedly connected to the end of the guide bar 7 facing the tool spindle 3.
  • a guide block 16 is fixedly connected to the guide tongue support 11 and partially grips around the guide rail 15 with its two legs 16a, 16b.
  • sliding plates 17 are arranged between the guide block 16 and the guide rail, which are adjustable by the set screws 18 and held by the retaining screws 19.
  • Each guide tongue carrier 11, 12 is also mechanically coupled to the spindle housing 2 via a driving device 20, 21 such that the height of the guide tongue carriers 11, 12 can be adjusted synchronously with the spindle housing 2.
  • the two entrainment devices 20, 21 are of the same design, which is why only the entrainment device 20 is described in more detail below.
  • this has a horizontal driving plate 22 which is fixedly connected to the spindle housing 2.
  • the guide tongue carrier 11 rests on the top of this driving plate.
  • the driving plate 22 is provided with a longitudinal slot 23 which extends perpendicular to the contact surface 7a or 9a.
  • the guide tongue support 11 is also slidably guided on the driving plate 22 perpendicular to the contact surface 7a or 9a.
  • this is achieved in that the guide tongue carrier 11 engages with a shoulder 11a in a guide groove 22a of the driving plate 22.
  • This additional guide 11a, 22a ensures that the guide tongue 9 fastened to the guide tongue carrier 11 is always aligned with its contact surface 9a with the contact surface 7a of the guide bar 7, even if greater forces act on the free end 9b of the guide tongue 9.
  • the guide tongue support 11, 12 has horizontal support ribs 26 in the area between the individual milling tool sets and at its upper and lower ends.
  • these supporting ribs 26 serve to support the guide tongues 9, 10 also in the region of their free ends 9b, 10b.
  • these support ribs 26 also have the function of controlling the removal of chips and ensuring better dust extraction. Larger waste, such as branches or other wooden parts, cannot fall down thanks to the support ribs 26.
  • the spindle housing 2 is expediently adjustable in the horizontal direction perpendicular to the contact surfaces 7a, 8a, 9a, 10a in the direction D. This adjustability is provided so that in the case of several tool spindles, the tool spindles that are not used in each case can be returned to their rear rest position, in which a milling cutter with the largest working diameter lies behind the vertical plane running through the contact surfaces 7a-10a.
  • the guide tongues 9, 10 have stepped cutouts 27, 28 which are closely matched to the working diameter D2, D3 and the working width B2, B3 of the assigned milling cutter 4b, 4c, of which only the two lowest in FIG. 1 Cutouts are provided with reference numerals.
  • the guide tongues 9, 10 consist of plastic or glued plywood. They can be exchangeably attached to the guide tongue supports 11, 12.
  • the cutouts 27, 28 are expediently milled directly by the assigned milling tool set 4, 5, 6.
  • the guide tongues 9, 10 originally have a width b.
  • the cutouts 27, 28 are now produced by slowly moving the spindle housing 2 horizontally from its rearward position into its forward position.
  • the milling cutters 4c, 5a, 6c with the largest working diameter come into contact with the milling tongues 9, 10 and, in turn, the milling cutters with the smaller diameters. They cut the cutouts 27, 28 according to their profile. In the case of the cutters 4a, 5c and 6a with the smallest working diameters, these cutters do not cut any cutouts which are visible from the outside. It will only be on the inside of the outer ends 9b, 10b of the guide plates, the arcuate cutouts 29 shown in FIG. 3 are milled.
  • the opening widths W1, W2, W3 between the mutually facing edges of the guide tongues 9, 10 are optimally small. This also provides optimal support for the frame timber that is guided along the contact surfaces 7a, 8a, 9a, 10a. Furthermore, it can also be seen from FIG. 1 that the two guide tongues 9, 10 form a type of end wall. It must be taken into account here that the cutters of the individual milling tool sets 4, 5, 6, when the tool spindle 3 is in its forward position, almost completely fill the openings remaining between the facing edges of the guide tongues 9, 10. Like guide tongues 9, 19, the space in which the milling tool sets rotate is closed from the front. 2, the guide tongue carriers 11, 12 are extended to the rear.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Milling, Drilling, And Turning Of Wood (AREA)
EP90100073A 1989-03-03 1990-01-03 Fräsmaschine zum Längsprofilieren von Rahmenhölzern für Fenster oder Türen Expired - Lifetime EP0385056B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90100073T ATE97849T1 (de) 1989-03-03 1990-01-03 Fraesmaschine zum laengsprofilieren von rahmenhoelzern fuer fenster oder tueren.

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE3906921 1989-03-03
DE3906921A DE3906921A1 (de) 1989-03-03 1989-03-03 Fraesmaschine zum laengsprofilieren von rahmenhoelzern fuer fenster oder tueren
DE8902590U DE8902590U1 (nl) 1989-03-03 1989-03-03

Publications (3)

Publication Number Publication Date
EP0385056A2 EP0385056A2 (de) 1990-09-05
EP0385056A3 EP0385056A3 (de) 1991-08-14
EP0385056B1 true EP0385056B1 (de) 1993-12-01

Family

ID=25878437

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90100073A Expired - Lifetime EP0385056B1 (de) 1989-03-03 1990-01-03 Fräsmaschine zum Längsprofilieren von Rahmenhölzern für Fenster oder Türen

Country Status (2)

Country Link
EP (1) EP0385056B1 (nl)
DE (1) DE8902590U1 (nl)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024003655A1 (en) * 2022-07-01 2024-01-04 Flooring Industries Limited, Sarl Set of milling tools and method for manufacturing panels

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4035512C1 (nl) * 1990-10-31 1992-02-20 Wilhelm 7417 Pfullingen De Hirsch
IT1257800B (it) * 1992-05-21 1996-02-13 Scm Spa Macchina scorniciatrice per la lavorazione del legno
CN108214703A (zh) * 2018-03-15 2018-06-29 东北林业大学 一种门窗材刨铣成型加工中心自动换刀机构
DE102020116297A1 (de) * 2020-06-19 2021-12-23 Urban Gesellschaft mit beschränkter Haftung & Co. Maschinenbau Kommanditgesellschaft Verfahren und Vorrichtung zum Bearbeiten eines Endbereichs eines Profils

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU29502A1 (nl) * 1949-03-01 Joos Heintz
US3664394A (en) * 1969-11-14 1972-05-23 Kenwal Machine Co Inc Double head notching machine
DE3317409A1 (de) * 1983-05-13 1984-11-15 Maschinenfabrik Gubisch GmbH & Co KG, 2390 Flensburg Vorrichtung zum absaugen von spaenen
US4557303A (en) * 1984-07-23 1985-12-10 Powermatic - Houdaille, Inc. Spindle shaper
DE8610914U1 (de) * 1986-04-21 1986-06-05 Siegfried Hoomann GmbH, 4800 Bielefeld Fräsanschlag für eine Tischfräsmaschine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024003655A1 (en) * 2022-07-01 2024-01-04 Flooring Industries Limited, Sarl Set of milling tools and method for manufacturing panels
BE1030681B1 (nl) * 2022-07-01 2024-01-29 Flooring Ind Ltd Sarl Set van freeswerktuigen en werkwijze voor het vervaardigen van panelen

Also Published As

Publication number Publication date
EP0385056A2 (de) 1990-09-05
EP0385056A3 (de) 1991-08-14
DE8902590U1 (nl) 1990-07-05

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