EP1170093A2 - Outil de vissage - Google Patents

Outil de vissage Download PDF

Info

Publication number
EP1170093A2
EP1170093A2 EP01810620A EP01810620A EP1170093A2 EP 1170093 A2 EP1170093 A2 EP 1170093A2 EP 01810620 A EP01810620 A EP 01810620A EP 01810620 A EP01810620 A EP 01810620A EP 1170093 A2 EP1170093 A2 EP 1170093A2
Authority
EP
European Patent Office
Prior art keywords
screw
spindle
hollow spindle
coupling
screwing device
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.)
Granted
Application number
EP01810620A
Other languages
German (de)
English (en)
Other versions
EP1170093B1 (fr
EP1170093A3 (fr
Inventor
Horst Rahmsdorf
Thomas Hofbrucker
Markus Looser
Thomas Bader
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 EP1170093A2 publication Critical patent/EP1170093A2/fr
Publication of EP1170093A3 publication Critical patent/EP1170093A3/fr
Application granted granted Critical
Publication of EP1170093B1 publication Critical patent/EP1170093B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
    • B25B21/02—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose with means for imparting impact to screwdriver blade or nut socket
    • B25B21/023—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose with means for imparting impact to screwdriver blade or nut socket for imparting an axial impact, e.g. for self-tapping screws

Definitions

  • the invention relates to a screwing device according to the preamble of patent claim 1.
  • a reduction in this contact pressure is achieved, for example, with pneumatically operated ones Screwdrivers achieved, as is known for example from DE-1 478 914.
  • This Pneumatically operated screwdriver has a screw-in spindle that counteracts the Force of a spring against a direction of rotation relative to a housing of the Screwdriver is displaceable.
  • One between the screw-in spindle and a hollow spindle arranged coupling ensures a non-rotatable connection between the screw and the hollow spindle, which can be driven by a drive motor, if the screwing device is equipped with a corresponding contact pressure is pressed against the surface, so that a The insertion spindle is moved in the direction of the hollow spindle.
  • the screw When fastening a plasterboard to a sheet metal frame, the screw is first driven by the drive motor via the hollow spindle, so that the Drywall screw drills through the plasterboard until the tip of the drywall screw comes to rest on the surface of the sheet metal frame. Then practice a striking mass that can be accelerated in the direction of rotation strikes the screw and the quick-build screw that interacts with the screw. The screw-in spindle is accelerated in the screw-in direction and the tip of the drywall screw creates a hole in the sheet metal frame into which the drywall screw Is driven far. Because the rotational connection between the screw and the hollow spindle is interrupted during the axial displacement of the screw-in spindle is a purely axial displacement of the drywall screw without twisting the same.
  • the thread of the drywall screw widens the hole in the Sheet metal frame so far that a remaining part of the thread of the drywall screw in a subsequent screwing-in process, there is no receiving thread in the wall of the Hole can do more by the fast construction screw finds sufficient hold.
  • the compressed air required to operate this pneumatically operated screwdriver is generated with an external compressor and, for example, also in one externally arranged compressed air tank provided.
  • the external arrangement of the Compressor or the compressed air tank makes the use of a compressed air hose necessary, which significantly affects the handling of the screwdriver.
  • the invention has for its object to a manageable screwdriver create with which you can get a good screwing quality of the fast construction screws in the sheet metal frame with significantly reduced contact pressure for the user. It the screw should be displaceable in the direction of rotation without impact that the rotational connection between the insertion spindle and the hollow spindle is interrupted.
  • the rotary movement emanating from a drive motor is in the inventive Screwdriver via an axially limited displaceable relative to the housing and rotatably mounted hollow spindle transferred to a screw-in spindle, the axial is movable but rotatably guided in the hollow spindle.
  • the drywall screw creates a hole in the sheet metal frame and the thread of the drywall screw cuts a corresponding mounting thread in the Wall of the hole in the sheet metal frame in which the drywall screw is secure is definable.
  • a particularly secure and non-rotatable connection between the hollow spindle and the screw-in spindle is preferably carried out with at least one spherical locking element, which is arranged in a radial receiving bore of the hollow spindle and in a longitudinal groove of the screw protrudes.
  • An automatic transfer of the hollow spindle from a working position to its direction of rotation Starting position and a resolution of the non-rotatable connection between the hollow spindle and the drive shaft of the drive motor is preferred with at least one spring of the clutch when lifting the screwdriver from the Plasterboard, reached.
  • a particularly compact design which particularly affects the overall length of the Screwdriver has a positive effect, is preferably achieved in that advantageously the hollow spindle, the coupling and a rotary connection with the drive shaft of the Interacting drive motor passes through gear.
  • the hollow spindle is expedient firmly connected to a first coupling part of the coupling on the direction of rotation, the first coupling part, against the force of a spring of the coupling, against the direction of rotation to an axially displaceable and freely rotatable relative to the hollow spindle second clutch part of the clutch displaceable and the second clutch part against Force of a second spring of the clutch, against the direction of rotation to the gear of the Movable gear.
  • the gear can be arranged in the immediate vicinity of the hollow spindle, the Coupling and the gear wheel of the gearbox together with the hollow spindle and the screw-in spindle Prefabricated as a unit and when assembling the screwdriver in one Operation can be inserted into the housing.
  • the impact mass interacting with the screw-in spindle is preferably one Electromagnets can be accelerated in the direction of rotation. With the help of the electromagnet uniformly strong impacts can be generated, which affect the screw quality in particular of the fast construction screws have a positive effect.
  • the impact mass is, for example, made up of at least two coaxially arranged to each other Single impact masses formed, with a first individual impact mass on the direction of rotation made of a non-magnetizable material and a second single impact mass is formed from a magnetizable material.
  • the magnetizable single impact mass is not permanently magnetized, but is only magnetized as long the coil of a magnet is under tension.
  • the impact mass can, for example also be a piston that is guided within a cylinder and can be counteracted with compressed air the force of a return spring can be moved in the working direction. But it is also possible the impact mass - the piston - against the direction of rotation with the help of compressed air offset. A spring is biased to accelerate the impact mass takes over at the desired time. The displacement of the piston against the direction of rotation for example with compressed air.
  • the compressed air can be generated for example with a compressor that with the housing of the screwdriver is connected.
  • This compressor can be driven, for example with the electric drive motor of the screwdriver. It means that the compressor, the necessary valves and, if necessary, a compressed air reservoir directly are attached to the housing of the screwdriver or installed in the housing.
  • the impact energy can be metered, for example, by adjusting the operating pressure.
  • the impact mass can preferably be displaced with the aid of a fast-erecting screw or the screw-in spindle and a conductive surface standing electronics take place when touching the screw of the surface emits a corresponding trigger signal to the electromagnet.
  • the electronics are there for example with the sheet metal frame forming the subsurface and with the drywall screw or the screw-in spindle in electrical connection. With the help of a capacity comparison measurement, which occurs with the electronics, the corresponding trigger signal can be produce.
  • An automatic acceleration of the impact mass in the direction of rotation can, for example can also be achieved by the speed of the drilling progress Drywall screw is monitored by the plasterboard or the sheet metal frame.
  • This Monitoring can be carried out, for example, with a measuring sensor electrical potentiometer, which is coupled to a movable depth stop is. If the drilling progress when hitting the drywall screw on the Sheet metal frame slows down, a certain current or voltage curve changes that arises when drilling through the plasterboard. This change can be made by an evaluation electronics be detected and form the signal for triggering the blow.
  • the invention is based on a drawing, which is a partially shown in longitudinal section Illustrates embodiment, explained in more detail.
  • the screwing device has a housing which is not shown completely 1, an electric drive motor 2, a hollow spindle rotatably mounted in the housing 1 3, a gear 24 and a coupling 6 which interacts with the hollow spindle 3.
  • the hollow spindle 3 serves for the axially movable but non-rotatable reception of a screw-in spindle 5, in the end region on the direction of rotation with a tool holder 4 is provided.
  • a screwdriver bit 18 is used, which is on a head of a screwdriver screw 22 matched rotary driving surfaces having.
  • An end area of the screw that points against the direction of screwing 5 has a rounded face.
  • the non-rotatable arrangement of the screw 5 in the hollow spindle 3 serve spherical locking elements 13 which in radial receiving bores 14 of the hollow spindle 3 are mounted and in corresponding Longitudinal grooves 12 of the screw 5 protrude.
  • the drive shaft 19 of the drive motor 2 extends essentially perpendicular to the direction of rotation.
  • the transmission 24 has a bevel gear.
  • the screwing device shown is used to fasten plasterboard 20 Sheet metal frame 21 with the help of drywall screws 22, through the plasterboard 20th can be screwed into the sheet metal frame 21.
  • the illustration shows one in the Plasterboard 20 screwed drywall screw 22.
  • the hollow spindle 3 and Coupling 6 are drawn in the disengaged position.
  • the transmission of one from Drive motor 2 outgoing rotary movement on the screw 5 is interrupted.
  • the one arranged in the drive train between the drive motor 2 and the hollow spindle 3 Coupling 6 has a first coupling part 7 on the direction of rotation, which with the hollow spindle 3 is firmly connected. Against the force of a first spring 9, this is first coupling part 7 against the direction of rotation with respect to the hollow spindle 3 axially displaceable and freely rotatable second coupling part 8 displaceable.
  • the second Coupling part 8 is against the force of a second spring 10, against the direction of rotation to a gear 11 of the gear 24 displaceable, which is also from the hollow spindle 3rd is penetrated and in a rotationally locked connection with the drive shaft 19 of the drive motor 2 stands.
  • the coil of an electromagnet 17 and is located coaxially behind the hollow spindle 3 an impact mass 15 arranged in the coil and displaceable parallel to the direction of insertion with a hardened insert 16.
  • the one with the rounded face of the screw 5 interacting, hardened insert, for example a commercially available, hardened cylinder pin, over which the impact energy of the entire impact mass 15 is transferred to the screw 5.
  • the impact mass 15 is returned by a return spring 23 in held in a starting position in which a magnetizable part of the impact mass 15 for the most part is arranged outside the coil of the electromagnet 17.
  • the length of the screw 5 is dimensioned so that only then a blow to it Striking surface can take place when the clutch 6 by axially moving the hollow spindle 3 is engaged against the direction of rotation. This means there are no additional components ensures the function of a pressure lock.
  • An empty stroke of the batter 15 is caught by a corresponding stop 25 in a holder of the coil.
  • the coil of the electromagnet 17 is, for example, by a not shown Electronic circuit can be controlled. This is designed so that it responds to the signal of a also not shown sensor for sheet metal frame detection out the coil of Electromagnets 17 are supplied with a defined voltage for a defined period of time. The resulting magnetic force makes the magnetizable impact mass 15 accelerated against the force of the return spring 23 in the direction of rotation.
  • the impact mass 15 hits behind the Hollow spindle 3 on the screw 5 and their kinetic energy in the form of a elastic impact on the screw 5 and thus on the screwdriver bit 18 and Transfer the quick-assembly screw 22 to be moved. After the blow, the Impact mass 15 moved back to its starting position by the return spring 23. After the tip of the drywall screw 22 as described by the wall of the Sheet metal frame 21 was driven, the initiated screwing process ends until the clutch 6 disengages.
  • the strike trigger can, for example, automatically as a result of a response schematically illustrated sensor electronics 26, the contact of the Drywall screw tip detected with the surface of the sheet metal frame 21, take place.
  • the sensor electronics 26 with the coupling engaged with the screw-in spindle Surface of the sheet metal frame 21 and the Elektromangnet 17 be conductively connected.
  • the connecting lines are shown in dashed lines.
  • the screw is here For example, using plastic bushings and non-conductive ceramic balls Torque transmission installed electrically insulated to avoid disruptive influences off.
  • This electrical contact is made here by connecting to a conductive bearing bush.
  • the stepped end of the screw-in spindle provides for when the clutch is disengaged an electrically separating gap between the socket and the tool holder. First the axial movement when the clutch is pressed in, the contact closes and avoids additional ones False triggers and blanks.
  • the sensor electronics that can be used here, for example, are Capacity comparison measurement of the system screw-in spindle, screwdriver bit, self-drilling screw without and with the sheet metal frame.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
  • Transmission Devices (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Graft Or Block Polymers (AREA)
  • Dowels (AREA)
  • Materials For Medical Uses (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Auxiliary Devices For Machine Tools (AREA)
  • Portable Power Tools In General (AREA)
EP01810620A 2000-07-06 2001-06-26 Outil de vissage Expired - Lifetime EP1170093B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10032949 2000-07-06
DE10032949A DE10032949A1 (de) 2000-07-06 2000-07-06 Schraubgerät

Publications (3)

Publication Number Publication Date
EP1170093A2 true EP1170093A2 (fr) 2002-01-09
EP1170093A3 EP1170093A3 (fr) 2002-11-27
EP1170093B1 EP1170093B1 (fr) 2009-03-11

Family

ID=7648058

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01810620A Expired - Lifetime EP1170093B1 (fr) 2000-07-06 2001-06-26 Outil de vissage

Country Status (9)

Country Link
US (1) US6526852B2 (fr)
EP (1) EP1170093B1 (fr)
JP (1) JP4785279B2 (fr)
KR (1) KR100719822B1 (fr)
AT (1) ATE424971T1 (fr)
DE (2) DE10032949A1 (fr)
ES (1) ES2320411T3 (fr)
MX (1) MXPA01006629A (fr)
TW (1) TW495420B (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008085465A2 (fr) 2006-12-29 2008-07-17 Illinois Tool Works Inc. Outil de fixation sans fil avec fonctions de rotation et d'entraînement d'éléments de fixation
WO2014049035A1 (fr) * 2012-09-28 2014-04-03 Gustav Klauke Gmbh Outil de travail à main, outil élargisseur à main, système piston/cylindre hydraulique et procédé pour faire fonctionner un outil de travail à main
WO2020160782A1 (fr) * 2019-02-08 2020-08-13 KYOCERA UNIMERCO Fastening A/S Dispositif de fixation à vis et kit de fixation pour fixer un panneau, et procédé pour fixer un panneau

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10209293A1 (de) * 2002-03-01 2003-09-18 Hilti Ag Pneumatisches Schlagwerk
US6796477B2 (en) * 2002-10-30 2004-09-28 Aplus Pneumatic Corp. Nail-hammering apparatus
DE102004042952A1 (de) 2004-09-06 2006-03-23 Hilti Ag Schraubgerät mit axial wirkendem Schlagmechanismus
JP2006315093A (ja) * 2005-05-10 2006-11-24 Hitachi Koki Co Ltd インパクト工具
US8316958B2 (en) * 2006-07-13 2012-11-27 Black & Decker Inc. Control scheme for detecting and preventing torque conditions in a power tool
SE531658C2 (sv) * 2006-10-02 2009-06-23 Atlas Copco Rock Drills Ab Slagverk jämte bergborrmaskin och bergborrigg
EP2099587B1 (fr) * 2006-11-09 2016-02-10 Stanely Fastening Systems, L.P. Dispositif d'entraînement d'éléments de fixation sans fil
EP3031581A1 (fr) * 2014-12-12 2016-06-15 HILTI Aktiengesellschaft Appareil de pose et procédé de fonctionnement d'un appareil de pose
US10589413B2 (en) 2016-06-20 2020-03-17 Black & Decker Inc. Power tool with anti-kickback control system
CN110449873B (zh) * 2019-07-26 2024-04-12 浙江联宜电机有限公司 太阳能电机推杆螺母安装设备
US11607779B2 (en) 2020-05-14 2023-03-21 Daniel Soucy Shaft spring clutch apparatus

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1478914A1 (de) * 1964-07-08 1969-11-20 Gkn Screws Fasteners Ltd Werkzeug zum Einbringen selbstlochender und selbstgewindeherstellender Schrauben in ein Werkzeug
GB1187585A (en) * 1966-08-17 1970-04-08 Gkn Screws Fasteners Ltd New or improved Tool for Driving Fasteners and the like with Impact and/or Rotary Motion
US3550243A (en) * 1967-06-23 1970-12-29 Robert Trevor Allsop Method and tool for driving self-tapping screws
US3584695A (en) * 1969-02-18 1971-06-15 Gkn Screws Fasteners Ltd Power tools
US4370906A (en) * 1980-05-05 1983-02-01 Resonant Technology Company Sequenced fastener installation system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5771779A (en) * 1980-10-22 1982-05-04 Katsuyuki Totsu Recoilless motor driver
US5497555A (en) * 1994-12-19 1996-03-12 Averbukh; Moshe Electromagnetic percussion device
JP3292969B2 (ja) * 1995-08-18 2002-06-17 株式会社マキタ ハンマードリル
JP3582760B2 (ja) * 1997-04-18 2004-10-27 日立工機株式会社 ハンマドリル
DE19844064A1 (de) * 1998-09-25 2000-03-30 Hilti Ag Schraubgerät
DE10025371A1 (de) * 2000-05-23 2001-11-29 Hilti Ag Handwerkzeuggerät mit elektromagnetischem Schlagwerk

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1478914A1 (de) * 1964-07-08 1969-11-20 Gkn Screws Fasteners Ltd Werkzeug zum Einbringen selbstlochender und selbstgewindeherstellender Schrauben in ein Werkzeug
GB1187585A (en) * 1966-08-17 1970-04-08 Gkn Screws Fasteners Ltd New or improved Tool for Driving Fasteners and the like with Impact and/or Rotary Motion
US3550243A (en) * 1967-06-23 1970-12-29 Robert Trevor Allsop Method and tool for driving self-tapping screws
US3584695A (en) * 1969-02-18 1971-06-15 Gkn Screws Fasteners Ltd Power tools
US4370906A (en) * 1980-05-05 1983-02-01 Resonant Technology Company Sequenced fastener installation system

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008085465A2 (fr) 2006-12-29 2008-07-17 Illinois Tool Works Inc. Outil de fixation sans fil avec fonctions de rotation et d'entraînement d'éléments de fixation
EP2104593A2 (fr) * 2006-12-29 2009-09-30 Illinois Tool Works Inc. Outil de fixation sans fil avec fonctions de rotation et d'entraînement d'éléments de fixation
EP2104593A4 (fr) * 2006-12-29 2011-06-29 Illinois Tool Works Outil de fixation sans fil avec fonctions de rotation et d'entraînement d'éléments de fixation
WO2014049035A1 (fr) * 2012-09-28 2014-04-03 Gustav Klauke Gmbh Outil de travail à main, outil élargisseur à main, système piston/cylindre hydraulique et procédé pour faire fonctionner un outil de travail à main
CN104797357A (zh) * 2012-09-28 2015-07-22 古斯塔夫.克劳克有限责任公司 手持式加工设备、手持式扩张设备、液压活塞/液压缸装置和用于运行手持式加工设备的方法
AU2013322656B2 (en) * 2012-09-28 2017-02-16 Gustav Klauke Gmbh Portable tool, portable expanding apparatus, hydraulic piston/cylinder arrangement and method for operating a portable tool
CN104797357B (zh) * 2012-09-28 2017-08-04 古斯塔夫.克劳克有限责任公司 手持式加工设备、手持式扩张设备、液压活塞/液压缸装置和用于运行手持式加工设备的方法
US10406586B2 (en) 2012-09-28 2019-09-10 Gustav Klauke Gmbh Portable tool and method of operating same
WO2020160782A1 (fr) * 2019-02-08 2020-08-13 KYOCERA UNIMERCO Fastening A/S Dispositif de fixation à vis et kit de fixation pour fixer un panneau, et procédé pour fixer un panneau

Also Published As

Publication number Publication date
DE50114752D1 (de) 2009-04-23
KR100719822B1 (ko) 2007-05-18
DE10032949A1 (de) 2002-01-17
ES2320411T3 (es) 2009-05-22
US6526852B2 (en) 2003-03-04
ATE424971T1 (de) 2009-03-15
JP2002059372A (ja) 2002-02-26
US20020002883A1 (en) 2002-01-10
JP4785279B2 (ja) 2011-10-05
EP1170093B1 (fr) 2009-03-11
TW495420B (en) 2002-07-21
EP1170093A3 (fr) 2002-11-27
KR20020005412A (ko) 2002-01-17
MXPA01006629A (es) 2002-10-23

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