EP2436490A2 - Dispositif destiné au guidage d'un outil - Google Patents

Dispositif destiné au guidage d'un outil Download PDF

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Publication number
EP2436490A2
EP2436490A2 EP11181197A EP11181197A EP2436490A2 EP 2436490 A2 EP2436490 A2 EP 2436490A2 EP 11181197 A EP11181197 A EP 11181197A EP 11181197 A EP11181197 A EP 11181197A EP 2436490 A2 EP2436490 A2 EP 2436490A2
Authority
EP
European Patent Office
Prior art keywords
guide rail
guide
coupling
locking
contour
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Withdrawn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
EP11181197A
Other languages
German (de)
English (en)
Other versions
EP2436490A3 (fr
Inventor
John van Taak
Friedemann Möller
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.)
Hilti AG
Original Assignee
Hilti 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 Hilti AG filed Critical Hilti AG
Publication of EP2436490A2 publication Critical patent/EP2436490A2/fr
Publication of EP2436490A3 publication Critical patent/EP2436490A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • B25H1/0042—Stands

Definitions

  • the present invention relates to a device for guiding a tool device with the features according to the preamble of patent claim 1.
  • Drilling rigs especially core drilling rigs, are very heavy, allowing the operator to apply the required feed force only by hand for a short time.
  • Stand-guided device systems consist of a tool device which is attached to a device designed as a device device for guiding a tool device. Drilling, sawing and other tooling tools are grouped under the name tooling tool.
  • Out DE 93 19 008 is a trained as a drill stand device for guiding a core drilling known.
  • the drill stand comprises a guide rail, a guide carriage for receiving the core drill and a feed device.
  • the core drill is arranged on the guide slide on the guide rail and displaceable by means of the feed device along the guide rail.
  • the feed device comprises a drive device designed as a handwheel and a transmission device which transmits the movement of the handwheel to the guide carriage.
  • the drill stand also has a locking device in the form of a wedge bolt, with which the guide carriage is lockable on the guide rail.
  • the guide rail has a contour device in the form of a rack, which can be brought into engagement with an engagement element of the guide carriage.
  • the locking device is adjustable between a locking position, in which engages the engaging element in the rack, and a displacement position in which the engaging element and the rack are disengaged.
  • the known drill stand has the disadvantage that the guide rail and / or the guide carriage can be damaged by operator error in the locked position.
  • the handwheel is moved when the guide carriage is detected, large forces act on the locking device due to the lever ratios. Due to the large forces there is a risk that the rack of the guide rail breaks out and / or the guide carriage is damaged.
  • the object of the present invention is to develop a device for guiding a tool device of the type mentioned in that the risk of damage is reduced by operating errors in the locked position.
  • a decoupling device which, when a preset force is exceeded, decouples the guide carriage from the guide rail, which is fastened to the guide rail by means of the locking device.
  • the locking means comprises an engaging member engageable with the contouring means and an adjusting means connected to the engaging member, the engaging member being displaced by means of the adjusting means between an adjustment position in which the engaging member and the contouring means are disengaged , and a locking position, in which the engaging element and the contour device are engaged, is adjustable.
  • the adjusting device comprises an operating element and a coupling device with a first coupling element which is connected to the operating element, and a second coupling element which is connected to the engagement element, wherein the decoupling device is arranged between the first and second coupling element.
  • the decoupling device comprises a first and second spring element and the first and second coupling element are formed as U-shaped frame members. This structure allows the coupling device to be located outside the guide rail.
  • the first and second coupling element on guide surfaces for guiding the spring elements.
  • the guide surfaces limit the adjustment for the spring elements on the direction in which the engaging element is displaced from the contour device.
  • the first and second coupling element are formed as one-piece stamped and bent parts.
  • the coupling elements are formed as stamped and bent parts.
  • the engagement element is formed as a hole contour and is produced by punching.
  • Fig. 1 shows a schematic representation of a stand-run equipment system 1 consisting of a tool 2, which is arranged on a drill rig designed as a guide device. 3
  • the tool device is designed as a core drilling device 2 and comprises a machine unit 5 arranged in a machine housing 4 , which drives a drill bit 6 about an axis of rotation 7 .
  • the drill stand 3 is arranged on a base 8 and consists of a foot plate 9, which can be fastened by means of a fastening device 10 to the substrate 8, and a guide rail 11, which is connected by means of a connecting device 12 with the foot plate 9.
  • the core drilling device 2 is arranged on the drill stand 3 via a guide carriage 13 and can be displaced by means of a feed device 14 along the guide rail 11 in a feed direction 15 .
  • the feed device 14 comprises a drive device 16 designed as a rotatable clamping rod and a transmission device 17 which transmits the movement of the drive device 16 to the guide carriage 13.
  • the rotational movement of the clamping rod 16 is converted by means of a gear and a rack into a displacement of the guide carriage 13 along the guide rail 11.
  • the guide rail 11 comprises a contouring device 18, which is designed as a toothed rack and engages in a counter-contouring device 19 of the transmission device 17 designed as a toothed wheel.
  • the contour device 18 and the counter contour device 19 are adapted to the drive device 16.
  • the feed movement of the guide carriage 13 can be generated by a manual or motor drive device via a rotary motion or a linear movement. In a linear drive movement, the transmission takes place for example via two gears.
  • Fig. 2 shows a device 20 for detecting the guide carriage 13 on the guide rail 11.
  • the guide carriage 13 is by means of the locking device 20 from an adjustment position in which the guide carriage 13 is slidable over the feed device 14 along the guide rail 11, in a locking position in which the guide carriage 13 is fixed to the guide rail 11, adjustable.
  • the locking device comprises an engaging element 21 which engages in the locking position in the contouring device 18 of the guide rail 11, and an adjusting device 22, the is connected to the engaging element 21.
  • the engagement element 21 is adjustable by means of the adjusting device 22 between the adjustment position in which the engagement element 21 and the contour device 18 are disengaged, and the locking position in which the engagement element 21 engages in the contour device 18.
  • the adjusting device 22 comprises an operating element 23, which is rotatably connected to a shaft 24 and is adjustable about a rotational axis 25 between a first and second position, a motion converter 26 which converts a rotational movement of the operating element 23 into a translational movement, and a coupling device 27, the is connected to the engaging member 21 and the motion converter 26 and transmits the translational movement to the engaging member 21.
  • the coupling device 27 consists of a first coupling element 28, which is coupled to the motion converter 26, and a second coupling element 29, which is coupled to the engagement element 21. Between the first and second coupling element 28, 29 a decoupling device 30 is arranged. If a preset force is exceeded, the guide carriage 13 fixed to the guide rail 11 is decoupled from the guide rail 11 by means of the decoupling device 30.
  • the guide carriage 13 has guide elements 31, 32 , which guide the coupling device 27 during the displacement between the adjustment position and the locking position.
  • Fig. 3 shows the coupling device 27 with the first coupling element 28, the second coupling element 29 and the decoupling device 30 in an exploded view.
  • the first coupling element 28 is formed as a U-shaped frame part having a first and second legs 35, 36 and a middle part 37 connected to the legs 35, 36 at a first end.
  • the legs 35, 36 are connected at a second end with a first and second stop surface 38, 39 .
  • the first frame part 28 is coupled to the motion converter 26 via the middle part 37.
  • the second coupling element 29 is likewise designed as a U-shaped frame part with a first and second leg 40, 41, a middle part 42 and a first and second stop face 43, 44 .
  • the engagement element 21 is arranged in the middle part 42 of the second frame part 29 and formed as a hole contour.
  • the frame parts 28, 29 are formed, for example, as sheet metal bent parts and the engaging element 21 is produced by punching.
  • first and second spring element 45, 46 which form the decoupling device 30, are arranged.
  • the first spring element 45 is mounted with a first end 47 on the first stop surface 38 of the first frame part 28 and with a second end 48 on the first stop surface 43 of the second frame part 29.
  • the second spring element 46 is connected to a first end 49 the second stop surface 39 of the first frame part 28 and with a second end 50 on the second stop surface 44 of the second frame part 29 stored.
  • the first frame part 28 and the second frame part 29 have a plurality of guide surfaces 51, 52 which limit the movement of the two spring elements 45, 46.
  • the guide surfaces 51, 52 are integrated in the bent sheet metal parts.
  • Fig. 4A shows the locking device 20 in the adjustment position in a view from above.
  • the contour device 18 of the guide rail 11 and the engagement element 21 are disengaged and the guide carriage 13 is adjustable by means of the feed device 14 along the guide rail 11.
  • the motion converter is designed as a rotary slide control 26 from a first link element 55 and a second link element 56 .
  • the rotary slide control 26 is designed such that the first and second slide element 55, 56 have a minimum distance in the adjustment position and a maximum distance in the locking position.
  • the first link element 55 is coupled to the first frame part 28.
  • the second link element 56 is rotationally fixedly coupled to the shaft 24 and the operating element 23 and adjustable by the operating element 23 between a first position corresponding to the adjustment position of the engaging element 21 and a second position corresponding to the locking position of the engaging element 21. In the adjustment position, the distance between the first and second link element 55, 56 is minimal.
  • the second link element 56 is adjusted to the first link element 55.
  • the second frame part 29 abuts with the first and second stop faces 43, 44 on the middle part 37 of the first frame part 28.
  • the first spring element 45 is mounted between the first stop surfaces 38, 43 and the second spring element 46 between the second stop surfaces 39, 44 of the frame parts 28, 29.
  • Fig. 4B shows the locking device 20 according to the invention in the locked position in a view from above.
  • the engagement element 21 engages in the contour device 18 of the guide rail 11 and fixes the guide carriage 13 on the guide rail 11th
  • the rotation of the control element 23 leads to a displacement of the first link element 55 in a displacement direction 58, since the second link element 56 rotatably connected to the shaft 24 and the shaft 24 is rigid.
  • the first link element 55 is coupled to the first frame part 28 and the displacement of the first link element 55 is transferred to the first frame part 28.
  • the second frame part 29 rests with the first and second stop surfaces 43, 44 on the first frame part 28 and is displaced with the first frame part 28 in the displacement direction 58.
  • the engagement element 21 engages in the contour device 18 of the guide rail 11 and fixes the guide carriage 13 on the guide rail 11.
  • Fig. 4C shows the locking device 20 according to the invention in the coupling-out position in a view from above.
  • the second frame part 29 rests with the first and second stop faces 43, 44 on the first frame part 28, as long as the forces acting on the locking device 20 fall below the pretensioning of the first and second spring elements 45, 46. Exceeding the applied forces, the bias of the first and second spring element 45, 46, the second frame member 29 is moved by the interaction of the geometry of the engaging element 21 and the contouring device 18 so far that the engaging element 21 and the contouring device 18 of the guide rail 11 are disengaged and the guide carriage 13 is decoupled from the guide rail 11.
  • the engagement element 21 follows the geometry of the contour device 18. In this case, the coupling-out position changes with the locking position. Without movement of the drive means 16, the locking device 20 remains in the locked position. The bias of the first and second spring elements 45, 46 is adjusted so that the guide carriage 13 can be moved in the locked position only by the drive means 16, but not by the weight of the core drill 2.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling And Boring (AREA)
  • Automatic Tool Replacement In Machine Tools (AREA)
  • Machine Tool Units (AREA)
EP11181197.2A 2010-09-30 2011-09-14 Dispositif destiné au guidage d'un outil Withdrawn EP2436490A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010041778A DE102010041778A1 (de) 2010-09-30 2010-09-30 Vorrichtung zur Führung eines Werkzeuggeräts

Publications (2)

Publication Number Publication Date
EP2436490A2 true EP2436490A2 (fr) 2012-04-04
EP2436490A3 EP2436490A3 (fr) 2015-04-08

Family

ID=44651300

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11181197.2A Withdrawn EP2436490A3 (fr) 2010-09-30 2011-09-14 Dispositif destiné au guidage d'un outil

Country Status (3)

Country Link
EP (1) EP2436490A3 (fr)
JP (1) JP2012076217A (fr)
DE (1) DE102010041778A1 (fr)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9319008U1 (de) 1993-12-10 1994-08-25 Fleischer, Roland, 83564 Soyen Bohrständer mit Rollenführung für Diamant-Kernbohrmaschinen o.ä.

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5560217U (fr) * 1978-10-16 1980-04-24
JPS6093032U (ja) * 1983-12-02 1985-06-25 日本信号株式会社 割出し電気転てっ機の不正解錠防止用ばねの保持構造
DE8407099U1 (de) * 1984-03-08 1986-07-03 Podobnik, Karin, 6904 Eppelheim Bohrständer für Kernbohrgrundgeräte für die Betonbearbeitung
DE3724232A1 (de) * 1987-07-22 1989-02-02 Fein C & E Bohrstaender
DE9015266U1 (de) * 1990-11-02 1991-02-21 Maxion Werkzeuge und Maschinen GmbH, O-6840 Pößneck Manuell betätigbare Feststelleinrichtung
JP3516572B2 (ja) * 1997-05-30 2004-04-05 株式会社コンセック コアドリル
JPH11278287A (ja) * 1998-03-31 1999-10-12 Fuji Kiko Co Ltd ステアリングラック軸及びその製造方法
US6722865B2 (en) * 2001-09-07 2004-04-20 Terumorcardiovascular Systems Corporation Universal tube clamp assembly
US7214007B2 (en) * 2003-02-03 2007-05-08 Husqvarna Outdoor Products Inc. Composite track, column and other supports, including for machinery

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9319008U1 (de) 1993-12-10 1994-08-25 Fleischer, Roland, 83564 Soyen Bohrständer mit Rollenführung für Diamant-Kernbohrmaschinen o.ä.

Also Published As

Publication number Publication date
EP2436490A3 (fr) 2015-04-08
DE102010041778A1 (de) 2012-04-05
JP2012076217A (ja) 2012-04-19

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