EP1881883B1 - Machine-outil a moteur dotee d'un dispositif de blocage/deblocage pour la broche - Google Patents

Machine-outil a moteur dotee d'un dispositif de blocage/deblocage pour la broche Download PDF

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Publication number
EP1881883B1
EP1881883B1 EP05750161A EP05750161A EP1881883B1 EP 1881883 B1 EP1881883 B1 EP 1881883B1 EP 05750161 A EP05750161 A EP 05750161A EP 05750161 A EP05750161 A EP 05750161A EP 1881883 B1 EP1881883 B1 EP 1881883B1
Authority
EP
European Patent Office
Prior art keywords
component
machine housing
tool
spindle
shaft
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.)
Not-in-force
Application number
EP05750161A
Other languages
German (de)
English (en)
Other versions
EP1881883A1 (fr
Inventor
Jörg Seyerle
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.)
Metabowerke GmbH and Co
Original Assignee
Metabowerke GmbH and Co
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 Metabowerke GmbH and Co filed Critical Metabowerke GmbH and Co
Publication of EP1881883A1 publication Critical patent/EP1881883A1/fr
Application granted granted Critical
Publication of EP1881883B1 publication Critical patent/EP1881883B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
    • B25F5/001—Gearings, speed selectors, clutches or the like specially adapted for rotary tools

Definitions

  • the invention relates to a motor-driven tool device, in particular hand tool, also battery-operated, such as drill, percussion drill, hammer drill or screwdriver, with the features of the preamble of claim 1.
  • Such a tool device is known from US 2002/0130007 A1.
  • Tool devices with a locking / releasing device for the spindle have become widely known, for example by DE 199 42 271 A1 .
  • EP 0 982 103 B1
  • the locking / releasing device If when switching off the motor drive of these tool devices by running the tool chuck with tool inserted therein the locking / releasing device is activated, so goes with the setting of the spindle, that the clamping body is brought into a blocking clamping position, a noise and a shock load, which is disadvantageously audible but noticeable to the user.
  • the present invention has set itself the task of countering this and to further improve the generic tool device.
  • the component comprises at least one radially extending approach, which projects into a slightly larger in the circumferential direction recess of the machine housing and rotatably cooperating with the machine housing and a circumferentially effective hard stop forms, which limited by conditioning against the machine housing mobility of the component.
  • the clamping body does not start directly against an absolutely fixed housing component and is suddenly fixed, or abruptly the drive spindle or the output part relative to the machine housing sets, but it is a relation to the machine housing with interposition the damper limited movable member provided opposite to the clamping body starts.
  • the component is limited rotatable relative to the machine housing, preferably in both directions of rotation. It is especially annular. It is further proposed that the component of the machine housing or a component of the machine housing (limited) is rotatably mounted.
  • the damping means may be formed in any desired manner. It could be a spring device.
  • an elastic material in particular a rubber body is used.
  • the damping means may advantageously have a Shore hardness of 30 to 80 Shore A.
  • the coupling of the component to the machine housing by the mentioned damping means may be formed in any desired manner, with an arrangement of the damping means in the radial direction between the component and the machine housing has proven to be expedient. It is also conceivable and advantageous that a plurality of damping means are provided at different locations, such as at diametrically opposite locations or offset by 120 ° in the circumferential direction points.
  • the invention proves to be particularly advantageous in battery-operated electric hand tool devices, in particular those with a planetary gear, since the problem described at the outset is particularly pronounced here.
  • the single figure illustrates schematically the principle of the inventively embodied locking / releasing device (spindle lock) in a hand tool.
  • a spindle 2 on which a tool chuck, not shown, for receiving a tool can be arranged rotationally fixed.
  • the spindle 2 is a spindle-side driven part or is rotatably and rigidly connected to such a spindle-side driven part 4.
  • a clamping body 6 is provided which is received in a space between the spindle 2 and a circumferentially closed component 8, which forms a machine-fixed brake ring 10.
  • Reference numeral 12 designates a machine housing or a component of the machine housing of the tool device.
  • the component 8, which acts as a brake ring 10, comprises a radial projection 14 which is somewhat larger in a circumferential direction formed recess 16 of the machine housing 12 protrudes.
  • a damping means 18 of an elastomeric material 20 is provided in the radial direction between the projection 14 and the machine housing 12.
  • the damping means 18 is received in complementary shaped recesses 22 in the projection 20, and 24 in the machine housing 12. It forms a limited deformable coupling between the component 8 and the machine housing 12.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Auxiliary Devices For Machine Tools (AREA)
  • Springs (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Braking Arrangements (AREA)
  • Drilling And Boring (AREA)
  • Percussive Tools And Related Accessories (AREA)

Claims (9)

  1. Outillage à moteur, en particulier outillage à main, également alimenté par accumulateurs, comme une perceuse, une perceuse à percussion, un marteau perforateur ou une visseuse, avec un carter de machine, un moteur d'entraînement, une broche (2) pouvant être entraînée par le moteur d'entraînement, dans lequel entre le moteur d'entraînement et la broche (2) est prévu un dispositif de verrouillage/déverrouillage avec une partie d'entraînement côté moteur, une partie de sortie de couple (4) côté broche, cette dernière étant reliée de façon verrouillée en rotation ou intégralement avec la broche (2), et avec au moins un corps de serrage (6), et avec un mandrin pouvant être relié à la broche (2) et destiné au serrage d'un outil, dans lequel la broche (2) peut être arrêtée par rapport au carter de machine (12) lorsqu'un couple de rotation agissant du mandrin en direction du moteur d'entraînement est introduit, et dans lequel la broche peut tourner librement par rapport au carter de machine (12) lorsqu'un couple de rotation agissant du moteur entraînement en direction de la broche (2) est introduit, dans lequel le corps de serrage (6), lorsque la broche (2) est arrêtée, s'applique contre un élément de construction (8) qui est relié au carter de machine (12) par un moyen d'amortissement (18) déformable de façon limitée, caractérisé en ce que l'élément de construction (8) comprend au moins une extension (14) étendue dans la direction radiale et qui fait saillie dans un évidement (16), réalisé de façon légèrement plus grande dans la direction circonférentielle, du carter de machine (12) et coopère en limitation de rotation avec le carter de machine (12) et forme une butée (30) dure, effective dans la direction circonférentielle, et limite par une application contre le carter de machine (12) une mobilité de l'élément de construction (8).
  2. Outillage selon la revendication 1, caractérisé en ce que l'élément de construction (8) est rotatif par rapport au carter de machine (12) de façon limitée.
  3. Outillage selon la revendication 2, caractérisé en ce que l'élément de construction (8) est rotatif par rapport au carter de machine (12) de façon limitée dans les deux sens.
  4. Outillage selon la revendication 1, 2 ou 3, caractérisé en ce que l'élément de construction (8) est annulaire.
  5. Outillage selon la revendication 2, 3 ou 4, caractérisé en ce que l'élément de construction (8) est logé par le carter de machine ou par un composant du carter de machine (12) de façon à pouvoir tourner de façon limitée.
  6. Outillage selon l'une quelconque des revendications précédentes, caractérisé en ce que le moyen d'amortissement (18) comprend un corps en caoutchouc (20).
  7. Outillage selon l'une quelconque des revendications précédentes, caractérisé en ce que le moyen d'amortissement (18) présente une dureté Shore de 30 à 80 Shore A.
  8. Outillage selon l'une quelconque des revendications précédentes, caractérisé en ce qu'au moment de l'arrêt le moyen d'amortissement (18) est sollicité en cisaillement.
  9. Outillage selon l'une quelconque des revendications précédentes, caractérisé en ce que le moyen d'amortissement (18) est agencé dans la direction radiale entre l'élément de construction (8) et le carter de machine (12).
EP05750161A 2005-05-14 2005-05-14 Machine-outil a moteur dotee d'un dispositif de blocage/deblocage pour la broche Not-in-force EP1881883B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2005/005308 WO2006122571A1 (fr) 2005-05-14 2005-05-14 Machine-outil a moteur dotee d'un dispositif de blocage/deblocage pour la broche

Publications (2)

Publication Number Publication Date
EP1881883A1 EP1881883A1 (fr) 2008-01-30
EP1881883B1 true EP1881883B1 (fr) 2009-04-29

Family

ID=35976773

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05750161A Not-in-force EP1881883B1 (fr) 2005-05-14 2005-05-14 Machine-outil a moteur dotee d'un dispositif de blocage/deblocage pour la broche

Country Status (6)

Country Link
EP (1) EP1881883B1 (fr)
CN (1) CN101175610A (fr)
AT (1) ATE430000T1 (fr)
DE (1) DE502005007214D1 (fr)
ES (1) ES2323426T3 (fr)
WO (1) WO2006122571A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009060203A1 (de) 2009-12-23 2011-06-30 Lucas Automotive GmbH, 56070 Baugruppe für einen elektromechanischen Bremsaktor
DE102010043182A1 (de) * 2010-10-29 2012-05-03 Robert Bosch Gmbh Tragbare Werkzeugmaschine
DE102011005812A1 (de) * 2011-03-18 2012-09-20 Robert Bosch Gmbh Werkzeugmaschinenbremsvorrichtung
CN104416545B (zh) * 2013-08-23 2016-08-10 苏州宝时得电动工具有限公司 电动工具端头连接附件和电动工具
EP3083156A4 (fr) * 2013-12-20 2018-04-25 Black & Decker, Inc. Ensemble de verrouillage de broche pour outil motorisé
CN105500296A (zh) * 2015-12-31 2016-04-20 宁波中旺工具有限公司 一种具有减振隔断的电动螺丝刀

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19942271C2 (de) * 1999-09-04 2002-01-31 Metabowerke Kg Elektrowerkzeug mit einem Klemmgesperre und einer Sicherheitskupplung
JP2002137179A (ja) * 2000-08-04 2002-05-14 Hitachi Koki Co Ltd 電動工具
US6702090B2 (en) * 2001-03-14 2004-03-09 Milwaukee Electric Tool Corporation Power tool and spindle lock system

Also Published As

Publication number Publication date
ES2323426T3 (es) 2009-07-15
EP1881883A1 (fr) 2008-01-30
CN101175610A (zh) 2008-05-07
ATE430000T1 (de) 2009-05-15
WO2006122571A1 (fr) 2006-11-23
DE502005007214D1 (de) 2009-06-10

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