EP1980369A2 - Dispositif d'enfoncement manuel - Google Patents

Dispositif d'enfoncement manuel Download PDF

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Publication number
EP1980369A2
EP1980369A2 EP08103315A EP08103315A EP1980369A2 EP 1980369 A2 EP1980369 A2 EP 1980369A2 EP 08103315 A EP08103315 A EP 08103315A EP 08103315 A EP08103315 A EP 08103315A EP 1980369 A2 EP1980369 A2 EP 1980369A2
Authority
EP
European Patent Office
Prior art keywords
drive
drive spring
spring element
spring
ram
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
EP08103315A
Other languages
German (de)
English (en)
Other versions
EP1980369B1 (fr
EP1980369A3 (fr
Inventor
Harald Fielitz
Walter Odoni
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
Priority to PL08103315T priority Critical patent/PL1980369T3/pl
Publication of EP1980369A2 publication Critical patent/EP1980369A2/fr
Publication of EP1980369A3 publication Critical patent/EP1980369A3/fr
Application granted granted Critical
Publication of EP1980369B1 publication Critical patent/EP1980369B1/fr
Active 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 of the type mentioned in the preamble of claim 1.
  • Such hand-held tackers have a displaceably guided Eintreibstössel about the fasteners are driven into a ground.
  • the drive source for the drive ram is a mechanical drive spring, which can be tensioned via a clamping mechanism.
  • the advantage here is that the mechanical drive spring is inexpensive, whereby such a tacker is inexpensive to manufacture.
  • mechanical springs compared to gas springs have the advantage that it does not cause temperature increases during tensioning of the mechanical spring gas springs as well as that a tensioned spring does not lose the stored energy for a long time, while in a gas spring, the energy is gradually lost by leakage.
  • a generic tacker is from the DE 40 13 022 A1 known, which has a propelled by a spring to an orifice impact device for driving a nail.
  • An adjusting device for transferring the impact device into an initial position has an electric motor and a speed reduction mechanism for this.
  • a rotational movement of the electric motor is transmitted via the speed reduction mechanism and a meshing toothed disc on a hammer body of the impact device to convert this against the force of the spring in the starting position, in which the impact device is ready for a beating operation.
  • a disadvantage of the known driving tool is that the maximum impact energy that can be exerted on the hammer body via the spring is rather low at about 5 to 10 joules, which is why such a tacker is not suitable for use on hard substrates such as steel and concrete suitable. If you want to increase the impact energy of Eintreibuzes, so you have to provide a stronger spring, which can store correspondingly more energy. As a result, however, the net mass of the spring is increased, which in turn increases the recoil of the tacker.
  • the object of the present invention is to develop a tacker of the aforementioned type, which avoids the aforementioned disadvantages and in which the recoil is small even when using stronger drive springs.
  • the drive means comprises a first drive spring member having a first expansion direction and a second drive spring member having a second expansion direction opposite to the first expansion direction. This ensures that during a setting process, the masses of the springs are moved in opposite directions, so that the recoil accelerations of the drive spring elements compensate at least partially.
  • the drive spring elements can be z. B. be designed as coil springs, leaf springs, disc springs, torsion springs or torsion springs.
  • the first drive spring element and the second drive spring element each define a spring axis, both of which run coaxially with one another, whereby rotational accelerations of the tacker can be avoided during drive-in processes.
  • both the first drive spring element and the second drive spring element are supported opposite each other with a first end on a housing-fixed support element.
  • the support element can be z. B. be designed as a housing transverse wall or housing strut. Due to the mirror-symmetrical arrangement of the drive spring elements whose force vectors act exactly opposite, so that not only cancel the recoil with appropriately balanced spring mass on both sides exactly, but also act no high loads on the housing-fixed support.
  • the spring axes of the first drive spring element and of the second drive spring element each extend axially parallel to an axis defined by the drive ram, whereby a compact design is made possible.
  • the second drive spring element to a mass which is at least as large as the mass of the first drive spring element, whereby the recoil accelerations of both drive spring elements compensate almost completely.
  • the second drive spring element has a mass which corresponds to a tolerance of +/- 10% of the total mass of driving ram and the first drive spring element.
  • first drive spring element and the second drive spring element are coupled to each other via a transmission device, wherein the transmission device is coupled on the output side with the drive-in ram.
  • the transmission device can be z. B. be designed as a cable transmission.
  • the transmission device may also have a translation between input movement and output movement, such. Example, a transmission ratio of about 1: 4, whereby for a given expansion path of the drive spring elements, a 4 times longer stroke of Eintreibstössels is achieved.
  • FIGS. 1 and 2 illustrated tackle 10 has a housing 11 and disposed therein, generally designated 30 drive arrangement for a drive-in ram 13 which is guided in a guide 12 displaceable.
  • the drive-in ram 13 has a drive-in section 14 and a head section 15.
  • end of the guide 12 is a coaxial with the guide 12 extending bolt guide 17 connects to this.
  • a fastener magazine 61 is arranged in the fasteners 60 are stored.
  • the drive arrangement 30 includes a first drive spring element 31 and a second drive spring element 32, both of which have substantially the same spring mass and which are supported opposite one another on a housing-fixed support element 36, which in the present case is designed as a housing strut.
  • Both drive spring elements 31, 32 are formed here as coil springs.
  • Each of the two drive spring elements 31, 32 each defines a spring axis F1, F2 which are arranged coaxially with each other in the illustrated drive arrangement 30.
  • the spring axes F1 and F2 also still run parallel to an axis A defined by the drive-in ram 13 Fig.
  • both drive spring elements 31, 32 have expansion directions 37, 38, which are opposite to each other, ie at a relaxation of the drive spring elements 31, 32 move their, the support member 36 facing away from free ends in exactly opposite directions, causing their oppositely acting recoil accelerations Compensate each other in a drive-in.
  • Both drive spring elements 31, 32 engage on a total of 39 designated gear means on the head portion 15 of the drive-in ram 13.
  • the transmission device 39 is in the embodiment according to the FIGS. 1 and 2 it is designed as a cable transmission.
  • the first drive spring element 31 and the second drive spring element 32 are in each case clamped between the housing-fixed support element 36 and in each case a spring output element 35.
  • the ring-shaped spring output elements 35 carry on their side facing away from the associated drive spring element 31, 32 side rollers 34 for a rope or band-shaped transmission means 33 of the transmission device 39th
  • the rope or band-shaped transmission means 33 which is fixed with its first and second free end 42, 43 on the support member fixed to the housing 36, is above this Rollers 34 are guided around the spring output element 35. At the same time, the transmission means 33 is guided around the free end of the head section 15 of the drive rod 13.
  • a generally designated 50 locking device having a pawl 51 which in a blocking position 54 (see Fig. 1 ) engages a locking surface 53 on a projection 58 of the drive-in ram 13 and holds it against the force of the drive spring element 31.
  • the pawl 51 is mounted on a servomotor 52 and about this in a Fig. 2 apparent release position 55 can be transferred, as will be described below.
  • the servomotor 52 is connected via an electrical first control line 56 to a control unit 23.
  • 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 the control unit 23 and to the trigger switch 19.
  • the control unit 23 is further connected via a switch line 57 to the trigger switch 19.
  • a switching means 29 is arranged, which is electrically connected via a switching means 28 to the control unit 23.
  • the switching means 29 sends an electrical signal to the control unit 23 as soon as the tacker 10 is pressed against a workpiece U, as shown Fig. 2 can be seen, and so ensures that the tacker 10 can only be triggered when it has been properly pressed against a workpiece U.
  • This tensioning device 70 comprises a motor 71, via which a drive roller 72 is drivable.
  • 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 driving ram 13 is in its lying in the driving direction 27 end position or when the tacker is lifted off the ground again.
  • the motor 71 has an output means 75, such as a driven wheel, which can be coupled to the drive roller 72.
  • the drive roller 72 is rotatably mounted on a longitudinally adjustable actuating arm 78 of a solenoid 76 designed as a solenoid.
  • the adjusting means 76 is connected via an actuating line 77 to the control unit 23. In operation, the drive roller 72 rotates in the direction of the arrow 73 indicated by dashed lines.
  • the control unit 23 first ensures that the drive-in ram 13 is in its off Fig. 1 apparent starting position 22 is located. If this is not the case, then the drive roller 72 is moved up by the adjusting means 76 to the output means 75, which has already been rotated via the motor 71, and is engaged therewith. At the same time, the drive roller 72 engages the drive-in ram 13 so that it is offset in the direction of the drive arrangement 30 via the drive roller 72 rotating in the direction of the arrow 73. In this case, the drive spring element 32 of the drive assembly 30 is tensioned.
  • the motor 71 can then be turned off via the control unit 23 and the actuating means 76 moves the Drive roller 72 also controlled by the control unit 23 from its engaged position on the output means 75 and the drive tappet 13 in its disengaged position (see. Fig. 2 ).
  • the control unit 23 is first set in Setzrschaft via the switching means 29. If the trigger switch 19 is then actuated by an operator, then the blocking device 50 is displaced into its release position 55 via the control unit 23, wherein the pawl 51 is lifted off the blocking surface 53 on the drive ram 13 via the positioning motor 52.
  • the pawl 51 may be spring-loaded in the direction of the drive-in ram 13 in order to automatically move it back into its blocking position 54.
  • the drive-in ram 13 is then moved via the transmission device 39 via the drive spring elements 31, 32 of the drive arrangement 30 in the drive-in direction 27, wherein a fastening element 60 is driven into the workpiece U.
  • the first drive spring element 31 expands in the direction of the first expansion direction 37, the coincides with the driving direction 27 of the drive rod 13.
  • the second drive spring element 32 expands in exactly the opposite direction, ie in the direction of the second expansion direction 38, as a result of which the recoil of both drive spring elements 31, 32 is canceled out.
  • the expansion path of the drive spring elements 31, 32 is translated via the transmission device 39 such that the acceleration travel of the drive tappet 13 is longer than the respective expansion travel of the drive spring elements 31, 32.
  • the transmission ratio of the transmission device 39 is approximately 1: 4 in the exemplary embodiment ,
  • the clamping device 70 is activated via the control unit 23 at the end of a drive-in operation when the drive-in device 10 is lifted off the workpiece U again.
  • the switching means 29 supplies to a signal to the control unit 23.
  • About the tensioning device 70 of the driving ram 13 is driven in the manner already described against the drive spring element 31 of the drive assembly 30 and the drive spring member 31 while again clamped to the pawl 51 again in its blocking position 54 at the blocking surface 53 on Eintreibstössel 13 can occur.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Steering Controls (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
  • Manipulator (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
EP08103315A 2007-04-13 2008-04-02 Dispositif d'enfoncement manuel Active EP1980369B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL08103315T PL1980369T3 (pl) 2007-04-13 2008-04-02 Prowadzony ręcznie przyrząd wbijający

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007000226A DE102007000226A1 (de) 2007-04-13 2007-04-13 Handgeführtes Eintreibgerät

Publications (3)

Publication Number Publication Date
EP1980369A2 true EP1980369A2 (fr) 2008-10-15
EP1980369A3 EP1980369A3 (fr) 2010-05-26
EP1980369B1 EP1980369B1 (fr) 2011-05-25

Family

ID=39671342

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08103315A Active EP1980369B1 (fr) 2007-04-13 2008-04-02 Dispositif d'enfoncement manuel

Country Status (9)

Country Link
US (1) US7815088B2 (fr)
EP (1) EP1980369B1 (fr)
JP (1) JP5192275B2 (fr)
CN (1) CN101284375B (fr)
AT (1) ATE510661T1 (fr)
AU (1) AU2008201446B2 (fr)
DE (1) DE102007000226A1 (fr)
ES (1) ES2363652T3 (fr)
PL (1) PL1980369T3 (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102642192A (zh) * 2011-02-18 2012-08-22 美克司株式会社 打入工具
EP2582490A2 (fr) * 2010-06-15 2013-04-24 HILTI Aktiengesellschaft Dispositif d'enfoncement
EP2514567A3 (fr) * 2011-04-19 2013-09-04 HILTI Aktiengesellschaft Outil d'enfoncement
EP2397265A3 (fr) * 2010-06-15 2013-09-04 HILTI Aktiengesellschaft outil d'enfoncement d'éléments de fixation
EP2397272A3 (fr) * 2010-06-15 2013-11-20 HILTI Aktiengesellschaft Dispositif d'enfoncement
EP2397270A3 (fr) * 2010-06-15 2013-12-25 HILTI Aktiengesellschaft outil d'enfoncement d'éléments de fixation
US9205546B2 (en) 2010-06-15 2015-12-08 Hilti Aktiengesellschaft Driving device
EP3028817A4 (fr) * 2013-07-31 2017-03-15 Hitachi Koki Co., Ltd. Machine d'enfoncement
US10525575B2 (en) 2013-03-29 2020-01-07 Koki Holdings Co., Ltd. Driver

Families Citing this family (23)

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US8186554B2 (en) * 2008-07-16 2012-05-29 Powernail Company Tapered guide bushing for reciprocating driver and tool incorporating same
US8074858B2 (en) * 2008-07-17 2011-12-13 Tyco Healthcare Group Lp Surgical retraction mechanism
DE102008042699A1 (de) 2008-10-09 2010-04-22 Hilti Aktiengesellschaft Handgeführtes Eintreibgerät
DE102010030092A1 (de) * 2010-06-15 2011-12-15 Hilti Aktiengesellschaft Eintreibvorrichtung
DE102010030127A1 (de) * 2010-06-15 2011-12-15 Hilti Aktiengesellschaft Eintreibvorrichtung
DE102010030097A1 (de) * 2010-06-15 2011-12-15 Hilti Aktiengesellschaft Eintreibvorrichtung
JP5983796B2 (ja) * 2011-02-18 2016-09-06 マックス株式会社 打ち込み工具
DE102011089720A1 (de) * 2011-12-23 2013-06-27 Hilti Aktiengesellschaft Eintreibvorrichtung
DE102011089860A1 (de) * 2011-12-23 2013-06-27 Hilti Aktiengesellschaft Eintreibvorrichtung
DE102011089725A1 (de) * 2011-12-23 2013-06-27 Hilti Aktiengesellschaft Eintreibvorrichtung
EP2881222A1 (fr) * 2013-12-04 2015-06-10 HILTI Aktiengesellschaft Dispositif d'entraînement
TWI659811B (zh) * 2014-08-28 2019-05-21 日商工機控股股份有限公司 釘入機
JP6284032B2 (ja) * 2014-08-28 2018-02-28 日立工機株式会社 打込機
JP6520079B2 (ja) * 2014-11-28 2019-05-29 工機ホールディングス株式会社 打込機
EP3159113A1 (fr) 2015-10-21 2017-04-26 HILTI Aktiengesellschaft Dispositif d'enfoncement manuel et procede de fonctionnement d'un tel dispositif d'enfoncement manuel
US10363650B2 (en) * 2015-11-05 2019-07-30 Makita Corporation Driving tool
JP6852570B2 (ja) * 2017-05-31 2021-03-31 工機ホールディングス株式会社 打込機
JP6897789B2 (ja) * 2017-10-31 2021-07-07 工機ホールディングス株式会社 打込機
US11712791B2 (en) 2018-04-26 2023-08-01 Koki Holdings Co., Ltd. Driving tool
US20220176584A1 (en) * 2020-12-07 2022-06-09 Dongguan Good-Tech Design Consulting Co., Ltd. Double-cam fastener driving machine
JP2022173699A (ja) * 2021-05-10 2022-11-22 マックス株式会社 打込工具
JP2022173737A (ja) 2021-05-10 2022-11-22 マックス株式会社 打込工具
JP2022173701A (ja) * 2021-05-10 2022-11-22 マックス株式会社 打込工具

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Cited By (21)

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Publication number Priority date Publication date Assignee Title
US9498872B2 (en) 2010-06-15 2016-11-22 Hilti Aktiengesellschaft Driving device
EP2582490B1 (fr) * 2010-06-15 2022-07-06 HILTI Aktiengesellschaft Dispositif d'enfoncement
EP2582490A2 (fr) * 2010-06-15 2013-04-24 HILTI Aktiengesellschaft Dispositif d'enfoncement
US9527197B2 (en) 2010-06-15 2016-12-27 Hilti Aktiengesellschaft Driving device
EP2397265A3 (fr) * 2010-06-15 2013-09-04 HILTI Aktiengesellschaft outil d'enfoncement d'éléments de fixation
EP2397272A3 (fr) * 2010-06-15 2013-11-20 HILTI Aktiengesellschaft Dispositif d'enfoncement
EP2397270A3 (fr) * 2010-06-15 2013-12-25 HILTI Aktiengesellschaft outil d'enfoncement d'éléments de fixation
US8978953B2 (en) 2010-06-15 2015-03-17 Hilti Aktiengesellschaft Driving device
US9061409B2 (en) 2010-06-15 2015-06-23 Hilti Aktiengesellschaft Driving device
US9205546B2 (en) 2010-06-15 2015-12-08 Hilti Aktiengesellschaft Driving device
US9302381B2 (en) 2011-02-18 2016-04-05 Max Co., Ltd. Driving tool with reaction absorbing mechanism
CN102642192B (zh) * 2011-02-18 2016-05-04 美克司株式会社 打入工具
CN102642192A (zh) * 2011-02-18 2012-08-22 美克司株式会社 打入工具
US9505115B2 (en) 2011-02-18 2016-11-29 Max Co., Ltd. Driving tool with reaction absorbing mechanism
US10377026B2 (en) 2011-02-18 2019-08-13 Max Co., Ltd. Driving tool with reaction absorbing mechanism
EP2489474A3 (fr) * 2011-02-18 2012-09-19 Max Co., Ltd. Outil de commande
US11396094B2 (en) 2011-02-18 2022-07-26 Max Co., Ltd. Driving tool with reaction absorbing mechanism
EP2514567A3 (fr) * 2011-04-19 2013-09-04 HILTI Aktiengesellschaft Outil d'enfoncement
US10525575B2 (en) 2013-03-29 2020-01-07 Koki Holdings Co., Ltd. Driver
EP3028817A4 (fr) * 2013-07-31 2017-03-15 Hitachi Koki Co., Ltd. Machine d'enfoncement
US10195728B2 (en) 2013-07-31 2019-02-05 Koki Holdings Co., Ltd. Fastener driving tool

Also Published As

Publication number Publication date
DE102007000226A1 (de) 2008-10-16
JP2008260124A (ja) 2008-10-30
AU2008201446A1 (en) 2008-10-30
EP1980369B1 (fr) 2011-05-25
PL1980369T3 (pl) 2011-10-31
ATE510661T1 (de) 2011-06-15
AU2008201446B2 (en) 2010-08-05
CN101284375B (zh) 2011-08-31
CN101284375A (zh) 2008-10-15
JP5192275B2 (ja) 2013-05-08
ES2363652T3 (es) 2011-08-11
US20080296339A1 (en) 2008-12-04
US7815088B2 (en) 2010-10-19
EP1980369A3 (fr) 2010-05-26

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