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EP0598218B1 - Support d'outil pour supporter et guider longitudinalement des outils, notamment des forets pour la pierre ou des scies - Google Patents

Support d'outil pour supporter et guider longitudinalement des outils, notamment des forets pour la pierre ou des scies Download PDF

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Publication number
EP0598218B1
EP0598218B1 EP93116533A EP93116533A EP0598218B1 EP 0598218 B1 EP0598218 B1 EP 0598218B1 EP 93116533 A EP93116533 A EP 93116533A EP 93116533 A EP93116533 A EP 93116533A EP 0598218 B1 EP0598218 B1 EP 0598218B1
Authority
EP
European Patent Office
Prior art keywords
stand
holder
base
tool
guide profile
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
EP93116533A
Other languages
German (de)
English (en)
Other versions
EP0598218A1 (fr
Inventor
Jürgen Meissner
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.)
MASCHINENBAU MEISSNER GmbH
Original Assignee
MASCHINENBAU MEISSNER 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
Application filed by MASCHINENBAU MEISSNER GmbH filed Critical MASCHINENBAU MEISSNER GmbH
Publication of EP0598218A1 publication Critical patent/EP0598218A1/fr
Application granted granted Critical
Publication of EP0598218B1 publication Critical patent/EP0598218B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
    • B28D1/04—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with circular or cylindrical saw-blades or saw-discs
    • B28D1/041—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with circular or cylindrical saw-blades or saw-discs with cylinder saws, e.g. trepanning; saw cylinders, e.g. having their cutting rim equipped with abrasive particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
    • B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
    • B25H1/0021—Stands, supports or guiding devices for positioning portable tools or for securing them to the work
    • B25H1/0057—Devices for securing hand tools to the work
    • B25H1/0064—Stands attached to the workpiece

Definitions

  • the invention relates to a tool stand for holding and longitudinally displaceable guiding of tools, in particular stone drills and saws, with a stand base, a guide profile on which the tool is guided and along which it can be moved, a holder for holding the guide profile on the stand base, one between the guide profile and the stand base arranged support strut, which is articulated to the guide profile and with the stand base, and a first pivot bearing on the bracket with a first axis of rotation for pivoting the guide profile relative to the stand base in the plane spanned by the guide profile and the support strut.
  • the guide profile (the drilling column) is attached to the stand base in an upstanding manner.
  • the tool in this case the (stone) drill, can be moved along the guide profile by hand or by machine.
  • Such tool stands can normally be used to drill holes whose axes are perpendicular to the plane in which the stand base is aligned. Due to the limited space and the desired alignment of the holes to be drilled, the possibility of aligning the guide profile relative to the stand base at an angle other than 90 ° is often desirable.
  • the drill column of which can be pivoted about a (first) axis relative to the stand foot.
  • a holder for the guide profile is pivotally connected to the stand base in such a way that the guide profile can be pivoted in a plane perpendicular to the stand base, which is spanned by the guide profile and a support strut arranged between it and the stand base.
  • the known drill stands allow the guide profile to be pivoted out of the vertical up to angles of up to approximately 50 ° to the vertical or up to 30 ° between the guide profile and the stand base. With a guide profile that is oriented at an angle to the stand base, drill holes can be drilled obliquely away from the stand base.
  • the invention has for its object to provide a tool stand for holding and longitudinally displaceable guiding tools, in particular stone drills and saws, with the machining of workpieces, in particular of rock, the machining of which even in confined spaces and in areas that are difficult to access tool held and guided is possible.
  • the invention proposes in a tool stand of the type mentioned at the outset to provide the holder for the guide profile with a second pivot bearing whose (second) axis of rotation for pivoting the guide profile relative to the stand base is perpendicular to the first axis of rotation, the two Axes of rotation of the bracket are spaced apart.
  • the guide profile holder that is to say the unit via which the guide profile is connected to the stand base, has two axes of rotation which run at right angles to one another without crossing each other.
  • the two axes of rotation are therefore spaced apart.
  • the guide profile can be aligned obliquely in space to a greater extent than in the prior art, in order to be able to carry out the work on the workpiece or stone. Both axes of rotation are perpendicular to the longitudinal axis of the guide profile.
  • the two pivot bearings of the holder can be locked in the respective (stepless) rotational position, in particular by clamping, so that an unwanted rotation is prevented.
  • the axes of rotation are preferably arranged above that region of the upper side of the stand base above which the guide profile can be pivoted when it is rotated about the axis of rotation in question.
  • the two axes of rotation each represent "highest" points for regions of the stand base.
  • the first axis of rotation should preferably be arranged above the second axis of rotation. Due to the arrangement of the two axes of rotation at the positions of the stand base exposed as described above, it is possible on the one hand to pivot the guide profile around the second pivot bearing on both sides of the stand base by a total of 180 ° (or, depending on the design, more), namely by 90 ° ( or more) on either side of the vertical orientation.
  • the guide profile can be pivoted about this from the vertical to the front and to the rear by 90 ° in extreme cases.
  • a pivoting about the first axis of rotation by more than 60 ° to 70 ° forwards out of the vertical is of little use in this respect If the base of the stand base was processed immediately below it, which is not absolutely recommended for reasons of stability.
  • the holder has a holder element to which the guide profile is fastened and an intermediate piece which is connected to the holder element rotatably about the first axis of rotation and to the stand base rotatably about the second axis of rotation.
  • the mounting element and the stand base are thus coupled to one another via the intermediate piece.
  • the two pivot bearings of the holder can preferably be fixed by friction (clamping) force.
  • the parts which can be rotated relative to one another can be clamped together, with the result that the clamping force for fixing the rotary bearings is applied.
  • the tool stand is particularly user-friendly in that only the two rotary bearings are released for pivoting the guide profile, the guide profile is brought into the desired orientation in space and then the rotary bearings are tightened again.
  • the stand base is preferably provided with a crossbeam and two splayed support beams arranged on its two sides.
  • the second pivot bearing of the holder or the intermediate piece of the holder is around the second Rotational axis rotatably mounted
  • This second axis of rotation runs parallel to the longitudinal axis of the crossbar.
  • the two support beams run at an angle to the cross beam and protrude beyond the (front) end of the cross beam provided with the second pivot bearing.
  • the tops of the two support beams are preferably arranged below the top of the crossbar.
  • the second axis of rotation lies above the two support beams, while the first axis of rotation is arranged above the crossbar and thus also above the second axis of rotation.
  • the support strut arranged between the guide profile and the stand base is rotatably mounted at one end on the stand base and displaceably at the other end on the guide profile and can be fixed thereon in its respective displacement position.
  • the support strut which is rigid in its length, changes its articulation point on the guide profile when it is pivoted in space.
  • the displacement and fixing of the support strut on the guide profile is preferably stepless.
  • Such a design of the tool stand means that tool extensions, such as drill bit extensions, which lead to tool instability, can be dispensed with. Due to the displaceability of the guide profile, the entire tool length can be used for machining the workpiece or rock even when the guide profile is inclined.
  • a tool stand 10 for a stone drill is shown in side view.
  • the tool stand 10 has a stand base 12 on which a guide profile 14 is arranged so as to protrude.
  • the guide profile is articulated at its lower end section via a holder 16 to the stand base 12.
  • a support strut 18 is provided, which is connected at one end to the stand base 12 and at the other end to the guide profile 14.
  • the ends of the support strut 18 are rotatably connected to the stand base 12 and the guide profile 14 about two axes which run at right angles to one another.
  • One of the two axes runs at right angles to the stand base 12 or to the guide profile 14, while the other axis runs at right angles to the former and crosses them. These two other axes also run parallel to each other. Furthermore, one of the two ends of the support strut 18 is designed to be rotatable about the longitudinal axis of the support strut 18 with respect to the remaining part of the support strut 18. This situation should be indicated at 20 in FIG. 1. While the connection of the support strut 18 to the stand base 12 is fixed (except for the rotatability about two axes), the other end of the support strut 18 is guided on the guide profile 14 so as to be longitudinally displaceable.
  • the guide profile 14 has one indicated at 22 in the longitudinal direction extending guide groove in which a bearing block 24 is guided, on which the rotatable end 20 of the support strut 18 is articulated.
  • the bearing block can be fixed in position relative to the guide profile 14 by clamping force.
  • the reason for this configuration of the support strut 18, with its ends rotatably mounted about two axes each, is due to the design of the guide profile 14, which can also be pivoted about two axes of rotation extending at right angles to one another, which will be explained in more detail below.
  • the guide profile 14 has a toothed rack 26 on its front side facing away from the support strut 18 and the guide groove 22.
  • a tool slide 28 is arranged to be longitudinally displaceable. This tool slide 28 encompasses the guide profile 14 laterally and is guided on the sides along guide rails 30.
  • the tool slide 28 is provided with a gear (not shown) that meshes with the rack 26.
  • the gearwheel can be set in rotation by means of a handwheel 32 and thus the tool slide 28 can be moved along the guide profile 14.
  • the handwheel 32 can be plugged onto the axis of the gearwheel.
  • the gearwheel axis extends transversely to the guide profile 14 through the tool slide 28 and laterally beyond it.
  • the handwheel 32 can be plugged onto both projecting ends of the gearwheel axis and can thus be implemented in order to be able to be fitted in accordance with the available space.
  • the housing of a drilling machine 34 is flanged to the tool carriage 28 and is equipped with a stone drill crown 36.
  • the stand base 12 is, as indicated at 38, pegged to the floor 40 on which it rests.
  • the stand base 12 has a cross bar 42 with a rectangular cross section, at the front end of which, on which the guide profile 14 is held via the holder 16, two side support bars 44 are welded, which run at an acute angle to the cross bar 42 and over the front end survive.
  • the support beams 44 which are also square in cross section, are flatter than the cross beam 42, with all of the undersides being flush with one another.
  • the stand base 12 rests on the floor 40 via support pieces 46 attached to the undersides of the support beams 42, 44 and a support 47 attached to the rear end of the cross beam 42, which also receives the pivot bearing for the support strut 18.
  • the holder 16 has two rotary bearings 48, 50, the two axes of rotation 52, 54 of which run at right angles to one another without intersecting.
  • the first rotary bearing 48 represents the (rotary) connection between a mounting element 56 and an intermediate piece 58 of the mounting 16.
  • the mounting element 56 encompasses the guide profile 14 on both sides and is in the guide groove 22 of the guide profile and in two side guide grooves 60 are also formed in the guide profile 14, guided.
  • the bracket 56 can be tightened by screws or the like. in clamping engagement with the guide profile 14 bring to keep the guide profile, secured against longitudinal displacement relative to the support member 56.
  • the holding element 56 has an essentially disk-like part 62, which rests with its one circular surface on one of the two circular surfaces of another disk part 64, which in turn is part of the intermediate piece 58.
  • the two disk parts 62, 64 can be rotated relative to one another about the first axis of rotation 52 and are oriented in the direction of the plane spanned by the guide profile 14 and the support strut.
  • the first axis of rotation 52 thus runs perpendicular to the plane spanned by the guide profile 14 and the support strut 18.
  • the two washer parts 62, 64 are connected to one another by a threaded bolt 66 which penetrates one of the two washer parts and is in threaded engagement with an internally threaded hole of the other washer part. By tightening this threaded bolt 66, the two disk parts 62, 64 of the holding element 56 and the intermediate piece 58 are clamped together, whereby the relative rotational position of the holding element and the intermediate piece is fixed.
  • the intermediate piece 58 has a further disk-like part 68 which is firmly connected to the disk part 64 and is rotated by approximately 90 ° with respect to the disk part 64.
  • the disk part 68 is oriented transversely to the longitudinal extent of the crossbar 42 and is located at its front end in the region of the lower end of the guide profile 14.
  • a counterpressure plate 70 is welded to the front end of the crossbar 42, with which a pressure plate 72 having an L-shaped cross section is welded is attached. In the space between these two plates 70.72 the disk part 68 of the intermediate piece 58 is immersed.
  • a threaded bolt 74 extends through the pressure plate 72, the disk part 68 of the intermediate piece 58 and the counter pressure plate 70, in which it is in threaded engagement with the internal thread of a through hole.
  • the receptacle of the holding element 56 encompassing the guide profile 14 is so far upstream that the guide profile 14 is freely displaceable past the pressure plate 72.
  • the first axis of rotation 52 is arranged above the second axis of rotation 54 and above the crossbar 42 at such a distance that the guide profile 14 can be pivoted about the first axis of rotation 52 such that it is parallel to the crossbar 52 and runs above it.
  • the guide profile 14 can also be pivoted about the first axis of rotation 52 in the opposite direction, preferably by up to 60 ° to 70 ° to the vertical.
  • the second axis of rotation 54 is arranged above the upper sides of the support beams 44 of the stand base 12, which results in particular from FIG. 1. This makes it possible to pivot the guide profile 14 by a total of 180 ° about the second axis of rotation 54 without parts of the stand base restricting this pivoting range of 180 °.
  • FIG. 5 shows in perspective a spatial orientation of the guide profile 14 when rotated about the axes of rotation both pivot bearings 48, 50 of the holder 16.
  • This illustration of the tool stand 10 also shows the feature of the longitudinal displaceability of the guide profile in the receptacle of the holder element 56.
  • the guide profile 14 can be moved until its lower end is arranged directly above the bottom 40, so that the full tool length (length of the stone drill bit 36) can be used to carry out the processing of the bottom 40, so tool extensions are not required.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)

Claims (9)

  1. Support d'outil pour supporter et guider longitudinalement des outils notamment des forets et des scies pour la pierre, équipé d'un pied support (12), d'un profilé de guidage (14), sur lequel l'outil (34, 36) est guidé et le long duquel il peut se déplacer, d'une fixation (16) pour supporter le profilé de guidage (14) sur le pied support (12), d'une poutrelle de support (18) disposée entre le profilé de guidage (14) et le pied support (12), qui est reliée de façon articulée au profilé de guidage (14) et au pied support (12), et d'un premier coussinet de pivotement (48) sur la fixation (16) avec un premier axe de rotation (52) pour le pivotement du profilé de guidage (14) par rapport au pied support (12) dans le plan formé par le profilé de guidage (14) et la poutrelle de support (18), caractérisé en ce que la fixation (16) présente un deuxième coussinet de pivotement (50) avec un deuxième axe de rotation (54) perpendiculaire au premier axe de rotation (52) pour le pivotement du profilé de guidage (14) par rapport au pied support (12) et en ce que les deux axes de rotation (52, 54) sont espacés l'un de l'autre.
  2. Support d'outil selon la revendication 1, caractérisé en ce que le premier axe de rotation (52) est disposé au-dessus du deuxième axe de rotation (54).
  3. Support d'outil selon la revendication 1 ou 2, caractérisé on ce que le profilé de guidage (14) peut pivoter d'environ 160° autour du premier axe de rotation (52) et d'environ 180° autour du deuxième axe de rotation (54).
  4. Support d'outil selon l'une quelconque des revendications 1 à 3, caractérisé en ce que la fixation (16) présente un élément de fixation (56) pour supporter le profilé de guidage (14), en ce qu'une pièce intermédiaire (58) est logée sur l'élément de fixation (56) de façon pivotante autour du premier axe de rotation (52) de la fixation (16) et en ce que la pièce intermédiaire (58) est logée sur le pied support (12) de façon pivotante autour du deuxième axe de rotation (54) de la fixation (16).
  5. Support d'outil selon l'une quelconque des revendications 1 à 4, caractérisé en ce que les pièces pivotantes les unes par rapport aux autres (parties de disque 62, 64, 68, plaque de contre-pression 70, plaque d'appui 72) des deux coussinets de pivotement (48, 50) peuvent être bloquées entre elles par la force de frottement pour fixer les positions relatives.
  6. Support d'outil selon l'une quelconque des revendications 1 à 5, caractérisé en ce que le pied support (12) présente une poutrelle transversale (42) sur une extrémité avant frontale de laquelle est disposée la fixation (16) au moyen du deuxième coussinet de pivotement (50), le deuxième axe de rotation (54) étant parallèle à l'axe longitudinal de la poutrelle transversale (42), et en ce que le pied support (12) présente deux poutrelles de support (44), qui sont inclinées par rapport à la poutrelle transversale (42) sont reliées aux deux extrémités de celle-ci et dépassent latéralement de l'extrémité frontale avant de la poutrelle transversale (42).
  7. Support d'outil selon l'une quelconque des revendications 4 à 6, caractérisé en ce que le pied support (12) présente une poutrelle transversale (42), sur une extrémité avant frontale de laquelle est disposée la pièce intermédiaire (58) entre une plaque de contre-pression (70) de la poutrelle transversale (42) et une plaque d'appui (72) de façon pivotante autour du deuxième axe de rotation (54), parallèle à l'axe longitudinal de la poutrelle transversale (42), de la fixation (16).
  8. Support d'outil selon l'une quelconque des revendications 1 à 7, caractérisé en ce que la poutrelle de support (18) est logée de façon pivotante sur le pied support (12) et de façon coulissante sur le profilé de guidage (14) et peut être fixée sur le profilé de guidage (14).
  9. Support d'outil selon l'une quelconque des revendications 1 à 8, caractérisé en ce que le profilé de guidage (14) est logé sur la fixation (16) de façon à pouvoir coulisser longitudinalement et peut être relié de façon fixe à la fixation (16) dans la position occupée respectivement.
EP93116533A 1992-10-16 1993-10-13 Support d'outil pour supporter et guider longitudinalement des outils, notamment des forets pour la pierre ou des scies Expired - Lifetime EP0598218B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4234935 1992-10-16
DE4234935A DE4234935A1 (de) 1992-10-16 1992-10-16 Werkzeugständer zum Halten und längsverschiebbaren Führen von Werkzeugen, insbesondere Steinbohrern und -sägen

Publications (2)

Publication Number Publication Date
EP0598218A1 EP0598218A1 (fr) 1994-05-25
EP0598218B1 true EP0598218B1 (fr) 1996-03-20

Family

ID=6470640

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93116533A Expired - Lifetime EP0598218B1 (fr) 1992-10-16 1993-10-13 Support d'outil pour supporter et guider longitudinalement des outils, notamment des forets pour la pierre ou des scies

Country Status (3)

Country Link
EP (1) EP0598218B1 (fr)
AT (1) ATE135617T1 (fr)
DE (2) DE4234935A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9406622U1 (de) * 1994-04-20 1995-02-02 Gateway Werkzeug- und Maschinen Vertriebs GmbH, 46446 Emmerich Alu-Profil mit Führungsrollen zur Vorschubsführung von Kernbohrständer
FR2744665B1 (fr) * 1996-02-13 1998-04-03 Lattanzi Pietro Systeme de carottage pour la realisation de percage ou de carotte dans les murs en parpaings ou en beton
DE10226866A1 (de) 2002-06-17 2004-01-08 Hilti Ag Bohrständer für eine transportable Kernbohrmaschine
WO2008026975A1 (fr) * 2006-09-01 2008-03-06 Husqvarna Aktiebolag Support de foret pour dispositif de carottage
WO2010059084A1 (fr) * 2008-11-18 2010-05-27 Husqvarna Ab Support de foreuse pour appareil à forer le béton avec indicateur de niveau
SE534760C2 (sv) * 2010-04-14 2011-12-13 Anders Johnsen Bearbetningsaggregat med överföringsenhet inställbar i olika vridlägen
US10799959B2 (en) 2017-02-24 2020-10-13 Milwaukee Electric Tool Corporation Rotary power tool including threaded bit attachment
US10710172B2 (en) 2017-07-31 2020-07-14 Milwaukee Electric Tool Corporation Rotary power tool
SE544057C2 (en) * 2019-04-10 2021-11-23 Husqvarna Ab Drill column end section assembly for a drill stand

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2909083A (en) * 1958-06-13 1959-10-20 Isaac O Chestnut Drill press stand attachment
US3552239A (en) * 1968-06-12 1971-01-05 Roy L Yeaman Portable drill press
DE2847115A1 (de) * 1978-10-30 1980-05-08 Carl Zenses Bohrstaender
US4431171A (en) * 1982-03-04 1984-02-14 Bailey Industrial Products, Inc. Apparatus for opening the tap hole of a metallurgical furnace
DE3619632A1 (de) * 1986-06-11 1987-12-17 Robert Wolff Aufspannvorrichtung fuer eine antriebsmaschine, z.b. eine handbohrmaschine
DE3643176A1 (de) * 1986-12-18 1988-06-30 Hilti Ag Verfahren und vorrichtung zur herstellung von durchbruechen
DE8702964U1 (de) * 1987-02-26 1987-04-16 Eisl, Johann, 8570 Pegnitz Einrichtung zum linearen Führen eines Werkzeugs

Also Published As

Publication number Publication date
DE4234935A1 (de) 1994-05-05
DE59301955D1 (de) 1996-04-25
ATE135617T1 (de) 1996-04-15
EP0598218A1 (fr) 1994-05-25

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