EP2465642A2 - Appareil de fixation de boulons et procédé de fonctionnement d'un appareil de fixation de boulons - Google Patents

Appareil de fixation de boulons et procédé de fonctionnement d'un appareil de fixation de boulons Download PDF

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Publication number
EP2465642A2
EP2465642A2 EP11189319A EP11189319A EP2465642A2 EP 2465642 A2 EP2465642 A2 EP 2465642A2 EP 11189319 A EP11189319 A EP 11189319A EP 11189319 A EP11189319 A EP 11189319A EP 2465642 A2 EP2465642 A2 EP 2465642A2
Authority
EP
European Patent Office
Prior art keywords
setting
bolt
piston
fastener
operating
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.)
Ceased
Application number
EP11189319A
Other languages
German (de)
English (en)
Other versions
EP2465642A3 (fr
Inventor
Tilo Dittrich
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 EP2465642A2 publication Critical patent/EP2465642A2/fr
Publication of EP2465642A3 publication Critical patent/EP2465642A3/fr
Ceased legal-status Critical Current

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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
    • B25C1/08—Hand-held nailing tools; Nail feeding devices operated by combustion pressure
    • 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

Definitions

  • the invention relates to a bolt setting device for setting fasteners in a substrate, with a working piston which is abruptly translationally movable to set a fastener, such as a bolt or a nail.
  • the invention further relates to a method for operating such a bolt setting device.
  • the object of the invention is to improve the operation and / or energy efficiency in the operation of a bolt gun according to the preamble of claim 1 on.
  • the object is in a bolt gun for setting fasteners in a substrate, with a working piston which is abruptly translationally movable to set a fastener, such as a bolt or a nail, achieved in that the bolt setting device comprises an operating device, a Switching between a manual and an automatic power setting mode allows.
  • the set power is preferably set by a user via the operating device.
  • the set power is preferably calculated and set by a particular electronic control based on previous set information.
  • the bolt gun according to the invention is preferably operated with gas.
  • the gas may, for example, be taken from a gas cartridge located in the bolt gun.
  • the gas is mixed with air in a combustion chamber in the bolt gun. Air and gas form an ignitable mixture, which expands abruptly to drive the working piston.
  • a respective desired amount of the gas is preferably metered into the combustion chamber via a metering valve in a volume-dependent or time-dependent manner.
  • the set energy is adjusted via the metered amount of gas and / or via the optionally variable volume of the combustion chamber.
  • the working piston can alternatively be electrically driven with the aid of an intermediate storage device which, for example, comprises a spring.
  • an intermediate storage device which, for example, comprises a spring.
  • a bolt setting device is provided to the user in which the user has control over the optimization target of the automatic transmission.
  • the user or user of the bolt gun is easily enabled to respond to different fastening needs. In particular, no or a desired nail overhang can be set.
  • a preferred embodiment of the bolt-firing device is characterized in that the operating device comprises at least one operating element, by the actuation and / or adjustment of the movement of the working piston in the automatic power adjustment mode when setting a fastener is interrupted so that the fastener projects with a defined distance from the ground or sunk in the underground.
  • the automatic power setting ensures that even with fluctuating background strengths a constant Nail overhang can be ensured.
  • the automatic prevents undesired overloading of the bolt gun.
  • a further preferred exemplary embodiment of the bolt-setting tool is characterized in that the distance with which the fastening element protrudes from the ground is infinitely adjustable in the automatic power adjustment mode.
  • the operating device may comprise a scale on which the desired nail projection can be adjusted.
  • a further preferred embodiment of the bolt-firing device is characterized in that the operating device comprises at least one operating element, by the actuation and / or adjustment of the working piston when setting a fastener supplied piston energy and / or the piston flow of the working piston can be adjusted continuously in the manual power setting mode / can ,
  • piston advance for example, the path is referred to, the working piston travels between the exit of a bolt guide and the impact on a brake and / or buffer element.
  • the piston advance determines significantly how far a fastener, in particular a nail, is driven into the ground. With a reduced piston advance, the working piston is decelerated prematurely and the fastening element or the nail is driven less deeply into the ground.
  • a further preferred exemplary embodiment of the bolt setting device is characterized in that the bolt setting device comprises a display device which displays power information in the manual and / or automatic power setting mode.
  • the user or user of the bolt-firing device is informed, for example, whether the device is in an open, optimal operating point or whether the bolt-firing device is currently adjusting due to over or under energy, in particular if the bolt-firing device is currently in the automatic power adjustment mode ,
  • the above-mentioned object is alternatively or additionally achieved in that the bolt gun is switched as needed between the manual and the automatic power adjustment mode. This allows the user or user of the bolt gun in a simple manner, on different To enter needs of a fixture. It is automatically prevented that occurs in a desired attachment task overloading the bolt gun.
  • a preferred embodiment of the method is characterized in that the movement of the working piston is interrupted by actuating and / or adjusting the operating device in the automatic power adjustment mode when setting a fastener so that the fastener projects at a defined distance from the ground or is sunk in the ground ,
  • the distance at which the fastener protrudes from the ground is preferably infinitely adjustable in the automatic power adjustment mode.
  • a further preferred exemplary embodiment of the method is characterized in that the piston energy supplied to the working piston when setting a fastening element and / or the piston advance of the working piston is / are continuously adjusted by actuating and / or adjusting the operating device in the manual power adjustment mode.
  • piston advance for example, the path is referred to, the working piston travels between the exit of a bolt guide and the impact on a brake and / or buffer element.
  • a further preferred embodiment of the method is characterized in that in the manual and / or automatic power adjustment mode, power information is displayed on the bolt setting device.
  • the user or user can be warned at too high a device load or too low driving energy.
  • the user or user is informed about the control state of the automatic in the automatic power setting mode.
  • a further preferred exemplary embodiment of the method is characterized in that, on the basis of the actuation and / or adjustment of the operating device and / or an evaluation of previous settlements, if necessary taking into account device parameters and / or environmental parameters, approximately a desired energy for setting the fastening element is determined.
  • the target energy it is taken into account, for example, whether the fastening element or the nail was driven in with too much or too little energy (over-energy or under-energy) during previous settling.
  • the over- or under-energy can be detected by detecting a front piston reversal point or by a load sensor on one Buffer means are determined.
  • the load history is stored over up to six settlements. The burden of the last settlement has the highest weight. The longer the load lasts, the lower the weighting of this load in the determination of the target energy.
  • FIG. 1 an inventive bolt setting device 1 with a housing 2 is shown in a simplified longitudinal section.
  • the housing 2 comprises a handle 4, on which the bolt setting device 1 can be tacked for driving in a fastening element which emerges from the bolt setting device 1 at a bolt setting end 5 and can be driven into a ground.
  • the energy required for driving the fastening element into the ground is provided, for example, in a gas cartridge 8 in the interior of the bolt setting device 1.
  • the gas cartridge 8 is connected via an adjustable or controllable throttle valve 10 with a combustion chamber 12.
  • gas from the gas canister 8 is mixed with air to form a combustible mixture which is ignited to drive a fastener such as a bolt or a nail into the ground.
  • the combustion chamber 12 is surrounded by a cylinder 14 inside the housing 2. At one end face of the cylinder 14, the combustion chamber 12 is closed by an adjustable combustion chamber wall 15.
  • the combustion chamber wall 15 can be adjusted by means of an electric motor 16 via a control gear 17, as indicated by a double arrow 18. By adjusting the combustion chamber wall 15 in the direction of the double arrow 18, the size of the combustion chamber 12 can be varied in a simple manner.
  • State variables in the combustion chamber 12 and / or the position of the adjustable combustion chamber wall 15 can be detected with the aid of a sensor device 20.
  • the sensor device 20 is connected via a sensor line 21 to an electronic controller 25.
  • the electronic control 25 is connected via a control line 26 in terms of control with the electric motor 16. From an accumulator 28, for example a battery, the electronic control 25 is supplied with electrical energy. Via a further control line 29, the electronic control 25 is connected to the control valve 10 in terms of control.
  • the combustion chamber 12 is closed at its end facing away from the adjustable combustion chamber wall 15 by a piston head 32 of a working piston 34.
  • the working piston 34 is guided at its end remote from the piston head 32 in a guide sleeve 36.
  • the working piston 34 extends through a buffer device 38 therethrough. The movement of the working piston 34 when driving in a fastening element is braked by the buffer device 38.
  • the buffer device 38 is associated with a further sensor device 40, which is connected via a sensor line 41 to the electronic controller 25.
  • the driving of a fastener is triggered by a trigger 42 which is on the handle 4, for example, with the index finger operable.
  • the bolt setting device 1 according to the invention comprises, in addition to the trigger 42, an operating device 44 with an operating element 45.
  • the operating device 44 is assigned a sensor device 50.
  • the sensor device 50 is also assigned to the guide sleeve 36. Via a control line 52, the operating device 44 is connected in terms of control with the electronic control 25.
  • the bolt setting device 1 comprises, in addition to the trigger 42 and the operating device 44, a display device 55 for displaying power information during operation of the bolt setting device 1.
  • the display device 55 is connected to the electronic control 25 and comprises, for example, a display with which the information is displayed alphanumerically can be. Alternatively or additionally, the display device 55 may have a color display.
  • FIG. 2 is in a breakout 59 a fastener indicated, so driven into the ground that a head of the fastener completely in the fastened part is sunk.
  • a fastener is shown, which still protrudes with a head from the attached part. The distance at which the head protrudes from the ground, is also referred to as a supernatant or board.
  • the slot 61 is associated with an automatic power adjustment mode.
  • the slots 64 and 65 are associated with a manual power adjustment mode.
  • the slots 62 and 63 indicate that the user can switch between manual and automatic power adjustment modes.
  • the operating element 45 is located in FIG. 2 in a mode in which the fastener is buried in the ground.
  • a dashed circle 68 indicates a second position of the control element in the automatic power adjustment mode. If the operating element 45 is arranged in the second switching position 68, then the fastener is not sunk, but still protrudes with a certain supernatant from the ground, as indicated at 58.
  • the control element 45 can be adjusted continuously in the automatic power adjustment mode between the mode 59 (recessed) and the mode 58 (protruding). Instead of a stepless adjustment, the operator 44 may have two fixed settings for the modes 58 and 59 in the automatic power adjustment mode.
  • manual power adjustment mode 64 65 is indicated by minus sign and plus sign that the user or user of the bolt-firing device 1, the piston energy and the piston lead can individually set directly and continuously.
  • manual Power adjustment mode are indicated by dashed circles 71 to 74 different switching positions.
  • triangles 75 and 76 are each indicated that an operating element or the control element 45 between the switching positions 71 and 72 or 73 and 74 is infinitely adjustable.
  • the switching positions 71 and 73 as indicated by the minus, a rather low combustion energy or Eintreibleist and the switching positions 72 and 74, as indicated by the plus, associated with a rather high combustion energy or Eintrebaresistung.
  • approximately a required target energy is determined or calculated with the aid of the electronic control 25 on the basis of the setting of the operating device 44, an evaluation of previous settlements and further device parameters and environmental parameters.
  • the nominal energy it is taken into account in particular whether the fastening element was driven in with too much or too little energy (over-energy or under-energy) during previous settling.
  • the over-energy or under-energy can be determined by detecting a front piston reversal point or by the sensor device 40 on the buffer device 38.
  • the load history is stored in the electronic control 25 over up to six settlements.
  • the last load of the buffer device 38 has the highest weight. The longer the load of the buffer device 38, the lower the weighting of this load in the calculation of the target energy.
  • the target energy is reduced. If no over-energy degradation occurs in the buffer device 38, the target energy is increased by an amount delta.
  • the target energy is preferably chosen so that the buffer device 38 is lightly touched at the desired operating point.
  • the piston energy of the working piston 34 is adjusted on the basis of the calculated target energy.
  • the necessary combustion chamber volume and the required dosage are determined.
  • the combustion chamber volume is adjusted by means of the adjustable Combustion chamber wall 15 is set.
  • the necessary dosage is set by means of the throttle valve 10.
  • the dosing amount is determined taking into account ambient conditions such as ambient temperature and ambient air pressure of the selected combustion chamber volume, and other device parameters such as the device temperature, the gas cartridge pressure, the gas cartridge type and the gas cartridge level.
  • the electronic control 25 opens the normally closed throttle valve 10 for a certain time. In this case, the calculated amount of gas from the gas cartridge 8 flows into the combustion chamber 12.
  • the user or user of the bolt-firing device 1 is informed during operation, whether the bolt gun 1 is in a controlled, optimal operating point, or whether the bolt gun 1 is currently readjusting due to over-energy or under-energy.
  • the user or user can separately adjust the piston advance and piston energy.
  • the display device 55 warns the user of over-energy or under-energy.
  • These alert situations are stored in the electronic controller 25 over a larger number of settlements, approximately fifty to one hundred settlements. For example, if a massive device load occurs with more than thirty percent over-energy, then the electronic controller 25 jumps to a safety mode in which the over-energy is reduced to about twenty-five percent.
  • the user or user can with the bolt gun according to the invention both countersunk fasteners, such as nails, sink in the ground, as may be required when attaching wood to concrete, as well as fasteners, such as nails, survive, as in the attachment of steel rails on concrete is the case. In both cases the device load can be automatically reduced.
  • the bolt gun 1 can also ensure a constant nail board, even if the surface texture varies within certain limits.
  • the bolt gun is operated with a certain over-energy, which covers the fluctuation range of the underground strength.
  • the bolt gun is with respect to its stability and strength designed for this low over-energy.
  • the automatic power adjustment mode is particularly advantageous when long-term fixings on similar surfaces are performed.
  • a very efficient utilization of the gas cartridge 8 is ensured. Accordingly, more settlements can be carried out with a gas cartridge 8.
  • the manual power adjustment mode allows the user to control device behavior by adjusting the device power and piston advance itself.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • User Interface Of Digital Computer (AREA)
EP11189319A 2010-12-15 2011-11-16 Appareil de fixation de boulons et procédé de fonctionnement d'un appareil de fixation de boulons Ceased EP2465642A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010063173A DE102010063173A1 (de) 2010-12-15 2010-12-15 Bolzensetzgerät und Verfahren zum Betreiben eines Bolzensetzgerätes

Publications (2)

Publication Number Publication Date
EP2465642A2 true EP2465642A2 (fr) 2012-06-20
EP2465642A3 EP2465642A3 (fr) 2013-01-16

Family

ID=45350638

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11189319A Ceased EP2465642A3 (fr) 2010-12-15 2011-11-16 Appareil de fixation de boulons et procédé de fonctionnement d'un appareil de fixation de boulons

Country Status (8)

Country Link
US (1) US20120153003A1 (fr)
EP (1) EP2465642A3 (fr)
JP (1) JP5864052B2 (fr)
CN (1) CN102528748A (fr)
AU (1) AU2011253991B2 (fr)
CA (1) CA2761541A1 (fr)
DE (1) DE102010063173A1 (fr)
TW (1) TW201238722A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014026971A3 (fr) * 2012-08-17 2014-05-22 Hilti Aktiengesellschaft Procédé de commande de processus d'injection dans des pistolets de scellement à combustible
WO2014026980A3 (fr) * 2012-08-17 2014-09-12 Hilti Aktiengesellschaft Procédé et système de commande de processus d'injection dans des pistolets de scellement à combustible

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Publication number Priority date Publication date Assignee Title
EP2826600A1 (fr) * 2013-07-16 2015-01-21 HILTI Aktiengesellschaft Procédé de commande et machine-outil manuelle
EP2886257A1 (fr) * 2013-12-18 2015-06-24 HILTI Aktiengesellschaft Appareil d'enfoncement
EP3349946B1 (fr) * 2015-09-14 2020-08-05 Hilti Aktiengesellschaft Cloueur entraine par combustible comprenant un magazin
JP6634883B2 (ja) * 2016-02-29 2020-01-22 工機ホールディングス株式会社 打込機
EP3473385A1 (fr) * 2017-10-18 2019-04-24 Joh. Friedrich Behrens AG Clouseuse à air comprimé pourvue d'un actionneur de sécurité
EP3520967A1 (fr) * 2018-01-19 2019-08-07 Max Co., Ltd. Outil d'enfoncement de type combustion à gaz
US11338422B2 (en) 2018-01-19 2022-05-24 Max Co., Ltd. Driving tool
JP7004154B2 (ja) * 2018-01-19 2022-01-21 マックス株式会社 ガス燃焼式打込み工具
DK3572189T3 (da) 2018-01-19 2021-09-20 Max Co Ltd Inddrivningsværktøj
DE102020131036A1 (de) * 2020-10-12 2022-04-14 Gustav Klauke Gmbh Hydraulisch betätigbare, als Handgerät ausgebildete Arbeitsvorrichtung
TW202300259A (zh) 2021-03-04 2023-01-01 日商美克司股份有限公司 緊固工具
US12521854B2 (en) 2021-07-16 2026-01-13 Milwaukee Electric Tool Corporation Gas spring-powered fastener driver with pressure mechanism
CN217168397U (zh) 2021-12-07 2022-08-12 南京腾亚精工科技股份有限公司 一种防尘紧固件击打工具
WO2024112516A1 (fr) * 2022-11-23 2024-05-30 Hubbell Incorporated Élément de réglage d'application de force dans un ensemble à va-et-vient

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DE10325920B4 (de) 2003-06-07 2005-09-01 Hilti Ag Über expandierbare Gase antreibbares Setzgerät

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014026971A3 (fr) * 2012-08-17 2014-05-22 Hilti Aktiengesellschaft Procédé de commande de processus d'injection dans des pistolets de scellement à combustible
WO2014026980A3 (fr) * 2012-08-17 2014-09-12 Hilti Aktiengesellschaft Procédé et système de commande de processus d'injection dans des pistolets de scellement à combustible

Also Published As

Publication number Publication date
US20120153003A1 (en) 2012-06-21
AU2011253991B2 (en) 2016-01-21
CN102528748A (zh) 2012-07-04
JP2012125919A (ja) 2012-07-05
AU2011253991A1 (en) 2012-07-05
TW201238722A (en) 2012-10-01
EP2465642A3 (fr) 2013-01-16
DE102010063173A1 (de) 2012-06-21
CA2761541A1 (fr) 2012-06-15
JP5864052B2 (ja) 2016-02-17

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