EP1935572B1 - Handgeführtes Eintreibgerät - Google Patents

Handgeführtes Eintreibgerät Download PDF

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Publication number
EP1935572B1
EP1935572B1 EP07122209A EP07122209A EP1935572B1 EP 1935572 B1 EP1935572 B1 EP 1935572B1 EP 07122209 A EP07122209 A EP 07122209A EP 07122209 A EP07122209 A EP 07122209A EP 1935572 B1 EP1935572 B1 EP 1935572B1
Authority
EP
European Patent Office
Prior art keywords
end position
motor
travelling nut
drive
driving tool
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
EP07122209A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1935572A1 (de
Inventor
Matthias Blessing
Hans Gschwend
Ulrich Schiestl
Robert Spasov
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 EP1935572A1 publication Critical patent/EP1935572A1/de
Application granted granted Critical
Publication of EP1935572B1 publication Critical patent/EP1935572B1/de
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
    • B25C—HAND-HELD NAILING OR STAPLING TOOLS; MANUALLY OPERATED PORTABLE STAPLING TOOLS
    • B25C1/00—Hand-held nailing tools; Nail feeding devices
    • B25C1/06—Hand-held nailing tools; Nail feeding devices operated by electric power
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25C—HAND-HELD NAILING OR STAPLING TOOLS; MANUALLY OPERATED PORTABLE STAPLING TOOLS
    • B25C5/00—Manually operated portable stapling tools; Hand-held power-operated stapling tools; Staple feeding devices therefor
    • B25C5/10—Driving means
    • B25C5/15—Driving means operated by electric power

Definitions

  • the present invention relates to a hand-held tacker referred to in the preamble of claim 1.
  • Art Such hand-held tackers have a displaceably guided Eintreibstössel on the fasteners are driven into a ground.
  • the tackers are z. B. electrically operated, being used as energy storage for the drive ram a drive spring which can be tensioned via an electrically operated clamping mechanism.
  • a designed as an electronic nailer tackler is from the US 3,810,572 known. This has a drive-in ram, at the end remote from the driving direction, a spindle-shaped threaded portion is formed. A sleeve arranged radially outward about the drive ram is rotatably movable by means of a drive motor, wherein balls running in the sleeve engage in the thread of the threaded section in order to displace the drive ram axially against a drive spring element. To trigger a driving operation, a first locking sleeve is provided, which is displaceably guided outside on the sleeve and which can be displaced axially via the trigger in order to release locking balls radially outwards. Another locking sleeve, which is guided on the outside of the first locking sleeve controls the radial disengagement of the balls engaging in the thread.
  • a generic, trained as an electric tacker tacker according to the preamble of claim 1 is known from DE 32 37 087 A1 known.
  • this Eintreibrace designed as a firing pin drive ram is moved by a rotating electric motor against a drive spring in a clamping position.
  • a toothing is provided, which can be brought into engagement with a driven via the electric motor threaded spindle.
  • the threaded spindle pivots out of engagement with the teeth on the drive ram.
  • this clamping position of the driving ram can be locked by a locking member.
  • a trigger switch such as a release lever or a push button must be actuated, over which the locking member is released from its locked position on the drive ram.
  • the retractable with the electrotacker fasteners can, for. B. be stored in a magazine.
  • the object of the present invention is to develop a tacker of the aforementioned type, which avoids the aforementioned disadvantages.
  • a nut is secured against rotation axially displaceable, which is controlled by a control unit for the motor for the threaded spindle between a first end position and a second end position reciprocally movable, wherein the running nut in a clamping cycle from the first end position to the second End position is displaceable in order to put the drive spring element in the clamping position, and the running nut (temporally directly) subsequently from the second end position back into the first end position is displaceable.
  • the running nut is again in its starting position before a driving operation, so that the path for the drive spring element is free.
  • the drive-in ram can likewise run freely into its starting position after the ram nut has been moved. Complicated mechanisms for swinging away the threaded spindle are no longer required. Also no edge breakage of the thread of the threaded spindle is more to be feared.
  • At least one ball is provided as a thread engagement means for the threaded spindle on the running nut.
  • control unit is connected to the blocking device via a first control line and to the motor via a second control line.
  • the reversal of the direction of motor rotation could also occur when a certain engine load is reached, which occurs when the drive spring (and possibly also the drive tappet) are in the cocked position.
  • a technically simple design of the rotation of the nut is achieved when a second guide member is provided, on which the nut is guided against rotation.
  • the axial distance to a cooperating with the damping element first stop of the driving ram is smaller than an axial distance of the running nut in its first end position to a stop of the drive nut opposite the drive nut.
  • a compact design can be achieved if the motor is arranged with its output shaft axis parallel to the axis of rotation of the threaded spindle, wherein the motor is arranged between two planes defined by the end faces of the threaded spindle.
  • FIGS. 1 to 4 shown hand-held tacker 10 is electrically operated and has a housing 11 and disposed therein, generally designated 30 drive arrangement for a drive-in ram 13 which is displaceably guided in a guide 12 and which is further guided with a guide portion 35 on a first guide member 17 (see in particular Fig. 2 ).
  • the drive assembly 30 includes a drive spring member 31 which is supported at one end to a support point 32 on the housing 11 and which engages with another end on the drive tappet 13.
  • a fastener magazine 61 is arranged, can be stored in the fasteners.
  • the tacker 10 further includes a handle 20 on which a trigger switch 19 is arranged to trigger a driving operation with the tacker 10.
  • a handle 20 on which a trigger switch 19 is arranged to trigger a driving operation with the tacker 10.
  • the handle 20 is also still a total designated 21 power supply arranged, via which the tacker 10 is supplied with electrical energy.
  • the power supply 21 includes at least one accumulator.
  • the power supply 21 is connected via electrical supply lines 24 both to an electrical control unit 23 and to the release switch 19.
  • the trigger switch 19 is also connected via a switch line 57 to the control unit 23.
  • a safety device 25 is arranged, via which an electrical contact pressure switch 29 of the safety device 25 is actuated, via a Switching line 28 is electrically connected to the control unit 23.
  • the electrical pressure switch 29 sends an electrical signal to the control unit 23 as soon as the tacker 10 is pressed with a mouth 18 of the mouth part 15 to a workpiece U, as from Fig. 1 can be seen, thus ensuring that the tacker 10 can be triggered only when it has been properly pressed against a workpiece U.
  • the pressing element 14 is displaceable along an axis A defined by the driving channel 16 and between an initial position (not shown in the figures) and a pressing position 37 (see FIG Fig. 1 . 3 and 4 ) displaceable.
  • the pressing element 14 is acted upon elastically via a spring element 22 in the direction of its initial position.
  • This clamping device 70 comprises an electrically operated motor 71 via which a threaded spindle 76 can be driven, which is rotatable on two bearings 77, but otherwise not displaceable, is mounted in the housing 11.
  • the motor 71 is electrically connected to the control unit 23 via a second control line 74 and can be put into operation via this, z. B. when the Anpressschalter 29 is actuated via the contact pressure element 14 or already after successful Eintreibvorgang when the tacker 10 is lifted from a workpiece U again.
  • the motor 71 is connected so that it can be operated in both possible directions of rotation.
  • the motor 71 On an output shaft of the motor 71 sits a driven gear 72 which is coupled to a spindle wheel 75 of the threaded spindle 76 via a transmission element 73 in order to enable the threaded spindle 76 to rotate during operation of the motor 71.
  • the transmission element 73 is z. B. as belt, timing belt, chain, propeller shaft, push rod or gear.
  • the motor 71 is arranged with its output shaft axis parallel to the axis of rotation of the threaded spindle 76, wherein it is arranged between two planes defined by the end faces of the threaded spindle 76.
  • the running nut 78 On the threaded spindle 76 designed as a ball nut running nut 78 is guided, which is at least one ball 78a with the thread of the threaded spindle 76 in engagement. Via a second guide member 79, the running nut 78 is rotatably but axially displaceable out (see in particular Fig. 2 ), so that rotation of the threaded spindle 76 results in an axial movement of the nut 78.
  • the running nut 78 moves in a movement counter to the driving direction 27 against a projection 59 formed as a projection of the driving rod 13, which are thereby moved with the running nut 78 and can be moved to its set ready position.
  • the drive spring element 31 can in this case from its relaxation position 34 in its clamping position 33 (see Fig. 3 ) are transferred.
  • a generally designated 50 locking device is provided, which has a pawl 51 which engages in a blocking position 54 on a locking surface 53 on a projection 58 of the driving ram 13 and this holds against the force of the drive spring means 31.
  • the pawl 51 is mounted on a servomotor 52 and about this in a in Fig. 4 illustrated release position 55 can be transferred.
  • the servo motor 52 is connected via an electrical first control line 56 to the control unit 23, which transmits control commands to the servomotor 52.
  • the control unit 23 is first set on the pressing element 14 and the electrical contact pressure switch 29 in setting readiness and issued a switching command to the motor 71, via the output gear 72, the transmission element 73 and the spindle wheel 75, the threaded spindle 76 in a rotation in the direction of rotation offset from the first arrow 80. Due to the rotation of the threaded spindle 76, the running on her running nut 78 is axially offset against the driving direction 27 and from its first end position 83 (see Fig.
  • the control unit 23 receives a corresponding signal, whereupon the control unit 23 switches the motor 71 in its second direction of rotation.
  • the motor 71 now offset via the driven gear 72, the transmission element 73 and the spindle wheel 75, the threaded spindle 76 in a rotation in the direction of rotation of the second arrow 81.
  • the blocking device 50 is moved into its release position 55 via the control unit 23 (see FIG Fig. 4 ), wherein the pawl 51 is lifted by the servomotor 52 by pivoting in the direction of the third arrow 82 of the locking surface 53 on the drive tappet 13.
  • the driving ram 13 is then moved via the drive spring element 31 of the drive assembly 30 in the drive-in direction 27, wherein a fastening element 60 is driven into the workpiece U (see Fig. 4 ).
  • the drive ram is braked at the end of Eintreibweges of a damping element 40 before it can bounce on the nut 78 so as not to damage them.
  • this at least one damping element 40 has an axial distance D1 to a cooperating with the first stop of the drive rod 13, which is smaller than an axial distance D2 of the nut 78 in its first end position 83 to the running nut 78 opposite stop 59 of Impact pestle 13.
  • the clamping device 70 via the Control unit 23 is reactivated and the process described above repeated.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Portable Nailing Machines And Staplers (AREA)
EP07122209A 2006-12-12 2007-12-04 Handgeführtes Eintreibgerät Not-in-force EP1935572B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006000517A DE102006000517A1 (de) 2006-12-12 2006-12-12 Handgeführtes Eintreibgerät

Publications (2)

Publication Number Publication Date
EP1935572A1 EP1935572A1 (de) 2008-06-25
EP1935572B1 true EP1935572B1 (de) 2009-11-04

Family

ID=39110538

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07122209A Not-in-force EP1935572B1 (de) 2006-12-12 2007-12-04 Handgeführtes Eintreibgerät

Country Status (6)

Country Link
US (1) US7520414B2 (ja)
EP (1) EP1935572B1 (ja)
JP (1) JP5276312B2 (ja)
CN (1) CN101224570B (ja)
AU (1) AU2007240251C1 (ja)
DE (2) DE102006000517A1 (ja)

Families Citing this family (41)

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Publication number Priority date Publication date Assignee Title
WO2007142997A2 (en) * 2006-05-31 2007-12-13 Stanley Fastening Systems, L.P. Fastener driving device
WO2009046076A1 (en) * 2007-10-05 2009-04-09 Senco Products, Inc. Fastener driving tool using gas spring
US8763874B2 (en) * 2007-10-05 2014-07-01 Senco Brands, Inc. Gas spring fastener driving tool with improved lifter and latch mechanisms
DE102008042699A1 (de) * 2008-10-09 2010-04-22 Hilti Aktiengesellschaft Handgeführtes Eintreibgerät
DE102010030080A1 (de) * 2010-06-15 2011-12-15 Hilti Aktiengesellschaft Eintreibvorrichtung
DE102010030088A1 (de) * 2010-06-15 2011-12-15 Hilti Aktiengesellschaft Eintreibvorrichtung
DE102010030057A1 (de) 2010-06-15 2011-12-15 Hilti Aktiengesellschaft Elektrisch betätigbares Bolzensetzgerät
DE102011075882A1 (de) * 2010-06-15 2011-12-15 Hilti Aktiengesellschaft Eintreibvorrichtung
DE102010030118A1 (de) * 2010-06-15 2011-12-15 Hilti Aktiengesellschaft Eintreibvorrichtung
DE102010030055A1 (de) * 2010-06-15 2011-12-15 Hilti Aktiengesellschaft Elektrisch betreibbares Bolzensetzgerät und Verfahren zum Betreiben des Bolzensetzgerätes
DE102010030059A1 (de) 2010-06-15 2011-12-15 Hilti Aktiengesellschaft Handgeführtes Eintreibgerät
DE102010030097A1 (de) * 2010-06-15 2011-12-15 Hilti Aktiengesellschaft Eintreibvorrichtung
DE102010030098A1 (de) * 2010-06-15 2011-12-15 Hilti Aktiengesellschaft Eintreibvorrichtung
DE102010030077A1 (de) 2010-06-15 2011-12-15 Hilti Aktiengesellschaft Eintreibvorrichtung
DE102010030065A1 (de) 2010-06-15 2011-12-15 Hilti Aktiengesellschaft Eintreibvorrichtung
DE102010030825A1 (de) 2010-07-01 2012-01-05 Hilti Aktiengesellschaft Handwerkzeuggerät
DE102010063176A1 (de) * 2010-12-15 2012-06-21 Hilti Aktiengesellschaft Elektrisch betreibbares Bolzensetzgerät
JP5652320B2 (ja) * 2011-05-11 2015-01-14 マックス株式会社 打込工具
DE102011076087A1 (de) * 2011-05-19 2012-11-22 Hilti Aktiengesellschaft Eintreibgerät
DE102011089860A1 (de) * 2011-12-23 2013-06-27 Hilti Aktiengesellschaft Eintreibvorrichtung
DE102011089725A1 (de) * 2011-12-23 2013-06-27 Hilti Aktiengesellschaft Eintreibvorrichtung
US9827658B2 (en) 2012-05-31 2017-11-28 Black & Decker Inc. Power tool having latched pusher assembly
US11229995B2 (en) 2012-05-31 2022-01-25 Black Decker Inc. Fastening tool nail stop
DE102012216189A1 (de) 2012-09-12 2014-03-13 Hilti Aktiengesellschaft Handgeführtes Arbeitsgerät
DE102012223007A1 (de) 2012-12-13 2014-06-18 Hilti Aktiengesellschaft Handgeführtes oder halbstationäres Werkzeuggerät und Verfahren zum Betreiben eines derartigen Werkzeuggeräts
EP2934819B1 (en) * 2012-12-21 2017-04-26 Atlas Copco Industrial Technique AB Impulse wrench with push start feature
EP2826601A1 (de) * 2013-07-16 2015-01-21 HILTI Aktiengesellschaft Steuerungsverfahren und Handwerkzeugmaschine
US10434634B2 (en) 2013-10-09 2019-10-08 Black & Decker, Inc. Nailer driver blade stop
EP2868437A1 (de) 2013-10-29 2015-05-06 HILTI Aktiengesellschaft Handgeführtes oder halbstationäres Werkzeuggerät oder Arbeitsgerät
US9643306B2 (en) 2014-04-15 2017-05-09 Illinois Tool Works Inc. Fastener-driving tool including a driving device
US9636812B2 (en) * 2015-01-23 2017-05-02 Tricord Solutions, Inc. Fastener driving apparatus
CN208289826U (zh) * 2015-02-06 2018-12-28 米沃奇电动工具公司 以气弹簧为动力的紧固件驱动器
CN108068059B (zh) 2016-11-09 2022-07-08 创科无线普通合伙 气弹簧紧固件驱动器的卡塞释放和升降器机构
CN206614481U (zh) * 2016-12-09 2017-11-07 南京德朔实业有限公司 打钉枪
CN107471159B (zh) * 2017-08-02 2020-09-22 金华乾缘智能科技有限公司 弹簧压缩快速释放循环冲击结构及冲击方法
CN112405442A (zh) * 2019-08-20 2021-02-26 苏州宝时得电动工具有限公司 钉枪
AT523156B1 (de) * 2019-12-18 2021-06-15 Rohrmoser Florian Elektrisch-mechanisch betriebenes Werkzeug zum Eintreiben von Befestigungsmitteln
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WO2022159538A1 (en) 2021-01-20 2022-07-28 Milwaukee Electric Tool Corporation Powered fastener driver
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Also Published As

Publication number Publication date
AU2007240251B2 (en) 2010-06-03
EP1935572A1 (de) 2008-06-25
JP2008142888A (ja) 2008-06-26
CN101224570A (zh) 2008-07-23
CN101224570B (zh) 2011-08-03
AU2007240251A1 (en) 2008-06-26
US7520414B2 (en) 2009-04-21
US20080210736A1 (en) 2008-09-04
JP5276312B2 (ja) 2013-08-28
AU2007240251C1 (en) 2011-01-20
DE502007001893D1 (de) 2009-12-17
DE102006000517A1 (de) 2008-06-19

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