EP0133197B1 - Outillage à raboter et profilmètre s'y adaptant - Google Patents

Outillage à raboter et profilmètre s'y adaptant Download PDF

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Publication number
EP0133197B1
EP0133197B1 EP84104180A EP84104180A EP0133197B1 EP 0133197 B1 EP0133197 B1 EP 0133197B1 EP 84104180 A EP84104180 A EP 84104180A EP 84104180 A EP84104180 A EP 84104180A EP 0133197 B1 EP0133197 B1 EP 0133197B1
Authority
EP
European Patent Office
Prior art keywords
planing tool
knife
tool according
groove
clamping
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
EP84104180A
Other languages
German (de)
English (en)
Other versions
EP0133197A1 (fr
Inventor
Otto Bergler
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.)
Eugen Lutz and Co
Black and Decker Overseas GmbH
Original Assignee
Eugen Lutz and Co
Black and Decker Overseas GmbH
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 DE19833318820 external-priority patent/DE3318820C2/de
Priority claimed from DE19833318799 external-priority patent/DE3318799A1/de
Application filed by Eugen Lutz and Co, Black and Decker Overseas GmbH filed Critical Eugen Lutz and Co
Priority to AT84104180T priority Critical patent/ATE27562T1/de
Publication of EP0133197A1 publication Critical patent/EP0133197A1/fr
Application granted granted Critical
Publication of EP0133197B1 publication Critical patent/EP0133197B1/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
    • B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
    • B27G13/00—Cutter blocks; Other rotary cutting tools
    • B27G13/08—Cutter blocks; Other rotary cutting tools in the shape of disc-like members; Wood-milling cutters
    • B27G13/10—Securing the cutters, e.g. by clamping collars
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
    • B27G13/00—Cutter blocks; Other rotary cutting tools
    • B27G13/02—Cutter blocks; Other rotary cutting tools in the shape of long arbors, i.e. cylinder cutting blocks
    • B27G13/04—Securing the cutters by mechanical clamping means

Definitions

  • the invention relates to a planing tool with at least two planing knives, which are arranged symmetrically to a common axis of rotation and are each fastened by a flap to a common and driven center piece, which is pressed against the center piece by fastening screws.
  • Planing tools of this type are known in the form of folding shafts.
  • the flaps consist of segments separated from the middle section, which are held firmly by the fastening screws on the middle section and clamp the planing knives between themselves and the middle section.
  • Similar designs are also known for planing heads, which are only shorter in the axial direction than flap shafts.
  • a disadvantage of known planing tools is that only tools or knives could be clamped which protrude a maximum of about 1 mm in circumference of the plane body flight circle or could be adjusted to this position.
  • the safety standards for all tools in which the workpieces are fed by hand also stipulate that the tool protrudes from the body.
  • the invention has for its object to provide a safety-related planing head that is particularly suitable for profile work.
  • each flap starting from the associated planing knife, extends over the circumferential area which extends to the chip ejection groove of the next planing knife and is held in a form-fitting manner on the center piece at its end facing away from the associated planing knife.
  • This configuration makes it possible to assign a flap designed in a certain way to each planing knife, so that the entire circumference of the planing tool is adapted to the profile to be machined, without the knife edge or a deflector protruding outwards and without having to use separate planing heads.
  • the flaps are held at two points in the planing tool and can therefore be arranged over a much larger circumferential area than was the case with known flaps.
  • the connection of a form-fitting attachment with the known screw attachment leads, despite the easy interchangeability of the knives and flaps, to a stable cohesion of the parts of the new planing tool, which due to this configuration can not only be used for profiling work that was previously not possible with hand planers.
  • the invention makes it possible to adapt the clamping flaps to the flight circle of the associated tool and their end to the subsequent planer knife as part of the chip ejection groove, so that they can be changed together with the required tool on the planer head.
  • the planing tool therefore enables a whole range of machining processes that could previously only be carried out with special machines and not at the installation site.
  • the form fit between the flap and the middle piece can be achieved in a particularly simple manner in that each flap engages behind a fastening projection on the middle piece with a fastening claw arranged at its end.
  • This fastening claw can be designed as a fastening claw as a fastening strip which is inserted axially into a groove lying behind the fastening projection. The new flap is therefore pushed axially onto the center piece and sits securely and stably on the center piece after attachment by the assigned screws.
  • the tensioning flap is provided with a steel sheet which can also cover the outer surface of the flap facing the knife. It will then be possible to manufacture both the center piece of the planing tool and the flap from light metal, for example from aluminum or aluminum alloy, without the clamping surface becoming too soft and being damaged during use.
  • the steel sheet can be processed very easily together with the aluminum or another material and can be inserted when the flap is cast, for example.
  • the fastening screws extend through openings in the planer knife, at the same time a groove running parallel to the plane in which the central axes of the openings lie is provided on the side of the openings facing away from the knife edge, into which the collar of the Engage adjusting screws.
  • This embodiment also has the advantage that the planer knife has no weakening in the area of the cutting edge and in the adjacent clamping area due to an adjustment groove or other openings.
  • the clamping points of the planing head also remain unaffected by the arrangement of holes or guides flows and can only be designed for the clamping effect.
  • the groove is arranged on the chest of the knife so that the collar of the adjusting screws can engage the knife from the inside of the planing head, where there is more space for accommodating the adjusting screws.
  • the groove can also run continuously over the length of the knife, which is then inserted in a simple manner from the end face of the planing head, the groove, which is preferably provided with a rectangular cross section, being pushed over the corresponding collar.
  • the new knives can also be easily manufactured.
  • both a smooth, continuous breast and a corresponding back of the knife are provided in the area of the knife edge to be hardened.
  • the new knife is particularly suitable for specially designed planing heads, as described below.
  • a planing tool is shown, which is designed as a rotary body, which can preferably be used in an electric motor-driven hand plane. This is done in that the planing tool with the centering recesses 1 indicated in dashed lines in FIGS. 1 and 2, which are provided on the end faces, is placed on corresponding centering pins of the hand plane and is connected in a rotationally fixed manner to a drive with a stub shaft running through the through bore 2 .
  • 1 to 3 consists of a center piece 3 provided with the bore 2, to which two flaps 5 arranged rotationally symmetrically to the longitudinal center plane 4 are connected, each of which is firmly connected to the center piece 3 with three fastening screws 6 and 6 ' .
  • the fastening screws 6 engage in the internal thread 7 in the middle piece 3.
  • the clamping flaps 5 have circular recesses 8, through which a hexagon socket 9 of the fastening screws 6 can be tightened or loosened.
  • the contour of the profile knives 10 corresponds to the outer contour 5a of the clamping flaps 5, but the knives each protrude slightly beyond the flight circle diameter of the clamping flap 5, as can be seen from FIG. 3.
  • the middle piece 3 there is also an adjustment thread for adjustment screws 11, which engage with a collar 12 in a groove 13 of the profile knives 10 and are accessible through a further recess 14 for adjustment from the outside. With their help, the position of the profile knife 10 can be adjusted relative to the center piece, as long as the tensioning flap 5 has not yet been tightened.
  • the clamping flap 5 itself extends from the associated knife 10 over approximately half the circumference of the planing tool to the chip recess 30 provided for the next planer knife.
  • the back 5d facing this chip recess forms part of the chip ejection groove, the bottom of which is from a recess 31 on Center piece 3 is formed.
  • each tensioning flap 5 sits positively on the middle piece 3. In the exemplary embodiment, this is done via a fastening bar 5b, which engages in a groove 3b in the middle piece 3, in such a way that a fastening projection 3c on the middle piece 3 and the fastening bar 5b is attacked.
  • the tensioning flap 5 is therefore inserted into the groove 3b of the center piece 3 before the fastening screws 6 are inserted into its fastening strip 5b. After the subsequent insertion of the associated profile knife 10, the fastening screws 6 are inserted. Before these are tightened, the profile knives 10 are finely adjusted via the adjusting screws 11, two of which are provided in the exemplary embodiment. After tightening the fastening screws 6, the clamping flaps 5 and the profiled knife 10 are seated firmly and precisely on the middle piece 3. With a screw fastening along a longitudinal plane, a fast, stable fastening of a clamping flap can be achieved, which at the same time forms about half the circumference of the entire planing tool.
  • profiling work can be carried out with this planing tool without endangering the operator, because the scope of the tool is adapted to the profile knife used. Nevertheless, a quick conversion to another type of profile knife is possible. For this purpose, only the corresponding profile knives and new tensioning flaps adapted to them are used.
  • the cutting edges of the normal planing knives 5c which are designed as reversible knives and are held by guide plates 16, lie on a flight circle 21 which is considerably smaller than the flight circle diameter 22 shown for comparison, on which the outermost cutting parts of the Profile knife 10 lie.
  • the recess 31 here forms the chip ejection groove. It is designed for this smallest flight circle diameter.
  • the middle piece 3 and the clamping flaps 5, 5 ' can be made from light metal by non-cutting deformation.
  • the tensioning flap can then be provided with a steel sheet 20.
  • At least two bores 20a are provided in the tensioning flap for the adjusting screws 11 of the planing knife, which bores are arranged perpendicular to the passage bore 8 for the fastening screws 6.

Claims (13)

1. Outil de rabotage comportant au moins deux couteaux de rabot (10) qui sont montés symétriquement par rapport à l'axe de rotation commun et sont fixés sur une pièce centrale (3), commune, entraînée, par l'intermédiaire d'un patin de serrage (5) interchangeable, respectif, ces patins étant poussés contre la pièce centrale (3) par des vis de serrage (6), caractérisé en ce que chaque patin de serrage (5, 5') s'étend par-dessus la zone périphérique respective en arrivant jusqu'à la rainure d'éjection de copeaux du couteau de rabot suivant (10), en ce que chaque patin de serrage (5, 5') est adapté quant à la trajectoire circulaire, sur sa zone périphérique à l'outil (10) correspondant et vient prendre à son extrémité (5b) opposée à celle correspondant au couteau de rabot, par une griffe de fixation (5b) dans une saillie de fixation (3c) de la pièce centrale (3).
2. Outil de rabotage selon la revendication 1, caractérisé en ce que l'extrémité (5b) opposée au couteau de rabot (10) est prévue dans la zone de la périphérie extérieure à une distance telle par rapport à l'outil de rabot qui suit dans la direction périphérique de façon qu'une cavité (31) prévue à la périphérie de la pièce centrale (3) forme indépendamment du contour du patin de serrage, le fond de la rainure (30) pour l'éjection des copeaux.
3. Outil de rabotage selon la revendication 2, caractérisé en ce que pour des patins de serrage (5) dont le contour déborde par rapport à la périphérie de la pièce centrale (3), le dos (5) tourné vers le couteau de rabot suivant dans le sens de rotation constitue une partie de la rainure (30) d'éjection de copeaux.
4. Outil de rabotage selon la revendication 1, caractérisé en ce que la griffe de fixation est réalisée sous forme de longeron de fixation (5b) qui est glissé dans une rainure (3b) se trouvant derrière la saillie de fixation (3c).
5. Outil de rabotage selon la revendication 4, caractérisé en ce que le patin de serrage (5) est muni d'une lame d'acier (20).
6. Outil de rabotage selon la revendication 5, caractérisé en ce que la lame d'acier (20) recouvre la surface extérieure du patin (5), surface tournée vers le couteau (10).
7. Outil de rabotage selon l'une quelconque des revendications 1 à 6, caractérisé en ce que la pièce centrale (3) et les patins de serrage (5, 5') sont fabriqués en métal léger ou analogue par une mise en forme sans enlèvement de copeaux.
8. Outil de rabotage selon les revendications 5 et 7, caractérisé en ce que la lame d'acier (20) est formée sur le patin de serrage (5).
9. Outil de rabotage selon l'une des revendications 1 à 8, caractérisé en ce que le patin de serrage (5) comporte au moins deux perçages (20a) pour les vis de réglage (11) du couteau de rabot, vis qui sont perpendiculaires à l'orifice de passage (8) des vis de fixation (6).
10. Outil de rabotage selon la revendication 9, caractérisé en ce que les vis de fixation (6) traversent des orifices (10b) des couteaux de rabot (10) et en ce que sur le côté des orifices (10b) opposés aux arêtes de couteaux (10a), il est prévu une rainure (13) parallèle au plan dans lequel se trouvent les axes des orifices (10b), et dans lesquels viennent prennent les collets (12) des vis de réglage (11).
11. Outil de rabotage selon la revendication 10, caractérisé en ce que la rainure (13) est prévue dans le corps du couteau (10).
12. Outil de rabotage selon les revendications 10 et 11, caractérisé en ce qùe la rainure (13) est continue sur la longueur du couteau (10).
13. Outil de rabotage selon les revendications 10 à 12, caractérisé en ce que la rainure (13) a une section rectangulaire.
EP84104180A 1983-05-24 1984-04-13 Outillage à raboter et profilmètre s'y adaptant Expired EP0133197B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84104180T ATE27562T1 (de) 1983-05-24 1984-04-13 Hobelwerkzeug und dafuer geeignetes profilmesser.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3318820 1983-05-24
DE19833318820 DE3318820C2 (de) 1983-05-24 1983-05-24 Hobelwerkzeug
DE19833318799 DE3318799A1 (de) 1983-05-24 1983-05-24 Hobelmesser, insbesondere profilmesser
DE3318799 1983-05-24

Publications (2)

Publication Number Publication Date
EP0133197A1 EP0133197A1 (fr) 1985-02-20
EP0133197B1 true EP0133197B1 (fr) 1987-06-03

Family

ID=25810994

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84104180A Expired EP0133197B1 (fr) 1983-05-24 1984-04-13 Outillage à raboter et profilmètre s'y adaptant

Country Status (3)

Country Link
US (1) US4572259A (fr)
EP (1) EP0133197B1 (fr)
DE (1) DE3464022D1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4137623A1 (de) * 1991-11-15 1993-05-19 Bosch Gmbh Robert Handhobelmaschine mit rotierendem messertraeger
ES2067364B1 (es) * 1992-06-02 1997-02-16 Margareto Juan Fernandez Sistema de fijacion de cabezal portacuchillas en maquinas tupi y moldureras para el trabajo de la madera.
DE19856278A1 (de) * 1998-12-07 2000-06-08 Bosch Gmbh Robert Hobelmesser für Hobelmaschinen, insbesondere Handhobelmaschinen für die Holzbearbeitung
GB9903677D0 (en) * 1999-02-18 1999-04-14 Machell & Sons Ltd W Method and apparatus for wood board manufacture
AT411125B (de) * 2001-04-12 2003-09-25 Siemens Ag Oesterreich Halteelement für elektrische bauteile zur montage auf schaltungsträgern
IT1395455B1 (it) * 2009-04-10 2012-09-21 F&P Rusticolegno S R L Apparecchiatura per la finitura superficiale di manufatti in legno e metodo implementato dalla stessa
TWM531893U (zh) * 2016-06-01 2016-11-11 Shinmax Industry Co Ltd 刀軸

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE172912C (fr) *
DE368930C (de) * 1923-02-12 Georg V Hassel Mit elektrisch leitendem Anstrich arbeitende Vorrichtung zum Ausloesen von Alarm-, Abwehr- und Loeschvorrichtungen bei Zerstoerung von Tueren, Mauern, Schaufenstern u. dgl.
US552435A (en) * 1895-12-31 Oe grooving wood
US203442A (en) * 1878-05-07 Improvement in bench-planes
US1013540A (en) * 1905-12-14 1912-01-02 Karl Schurz Faucette Cutter-head.
US920549A (en) * 1907-09-14 1909-05-04 Albert Pryibil Cutter-head.
US1021202A (en) * 1910-03-31 1912-03-26 Hermance Machine Co Cutter-head.
US1026053A (en) * 1911-12-19 1912-05-14 Stanley Rule & Level Co Router-plane cutter.
US1150677A (en) * 1913-11-29 1915-08-17 Crescent Machine Company Cutter-blade for jointers and planers.
US1629760A (en) * 1926-02-17 1927-05-24 Yates American Machine Co Cutter head
FR807398A (fr) * 1936-06-18 1937-01-11 Chatelot & Fils A Rabot à fût métallique
US2710635A (en) * 1953-02-20 1955-06-14 Improved Machinery Inc Wood chipper
CH320043A (de) * 1954-01-09 1957-03-15 Lennartz & Co Messerkopf mit zwei Spannbacken mit in Führungsnuten eingesetzten, nachstellbaren Kehlmessern
DE2811669C2 (de) * 1978-03-17 1983-11-17 Karl M. Reich Maschinenfabrik GmbH, 7440 Nürtingen Hobelkopf mit Wendemessern
DE3102065C2 (de) * 1980-03-08 1986-01-09 Eugen Lutz GmbH u. Co Maschinenfabrik, 7130 Mühlacker Messerhalterung für Messerwellen oder Messerköpfe
EP0048303B1 (fr) * 1980-10-07 1985-06-26 Black & Decker Inc. Porte-outil pour robot à main mû par un moteur

Also Published As

Publication number Publication date
EP0133197A1 (fr) 1985-02-20
DE3464022D1 (en) 1987-07-09
US4572259A (en) 1986-02-25

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