EP2801449A1 - Dispositif d'entraînement et procédé d'utilisation d'un dispositif d'enfoncement - Google Patents

Dispositif d'entraînement et procédé d'utilisation d'un dispositif d'enfoncement Download PDF

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Publication number
EP2801449A1
EP2801449A1 EP13166697.6A EP13166697A EP2801449A1 EP 2801449 A1 EP2801449 A1 EP 2801449A1 EP 13166697 A EP13166697 A EP 13166697A EP 2801449 A1 EP2801449 A1 EP 2801449A1
Authority
EP
European Patent Office
Prior art keywords
energy
electrical
control device
mechanical energy
mechanical
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.)
Withdrawn
Application number
EP13166697.6A
Other languages
German (de)
English (en)
Inventor
Wolfgang Beck
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 EP13166697.6A priority Critical patent/EP2801449A1/fr
Priority to TW103114777A priority patent/TWI674955B/zh
Priority to PCT/EP2014/058672 priority patent/WO2014180706A2/fr
Priority to EP14723384.5A priority patent/EP2994273B1/fr
Priority to US14/888,478 priority patent/US10160108B2/en
Priority to CN201480026106.7A priority patent/CN105377511B/zh
Priority to AU2014264823A priority patent/AU2014264823B2/en
Priority to ES14723384.5T priority patent/ES2623289T3/es
Priority to CA2911281A priority patent/CA2911281C/fr
Publication of EP2801449A1 publication Critical patent/EP2801449A1/fr
Withdrawn legal-status Critical Current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
    • B25C1/06—Hand-held nailing tools; Nail feeding devices operated by electric power
    • 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 application relates to a device for driving a fastener into a substrate and a method of using such a device.
  • Such devices usually have a piston for transmitting energy to the fastener.
  • the energy required for this must be provided in a very short time, which is why, for example, in the case of so-called Federnaglind first a spring which abruptly emits the clamping energy to the piston during the driving operation and this accelerates to the fastener.
  • the spring is tensioned by means of a clamping device, which in turn is powered by a battery.
  • a drive-in device in which such a spring is automatically relaxed as soon as the drive-in device is released by a user. The energy is dissipated by the engine or returned to the battery.
  • a device for driving a fastening element into a substrate has a mechanical energy store for storing mechanical energy, an energy transmission device for transmitting energy from an electrical energy source to the mechanical energy store, and an electronic device supplied with electrical energy by the electrical energy source Control device on.
  • the control device is suitable for initiating an energy extraction process in the event of an interruption in the power supply of the control device by the electrical energy source, in which energy stored in the mechanical energy store is converted into electrical energy and supplied to the control device for supplying it.
  • the control device is able to control the energy extraction process despite the interrupted power supply by the electrical energy source.
  • the device comprises a generator with which the energy stored in the mechanical energy store can be converted into electrical energy and supplied to the control device.
  • the device is characterized in that the energy transmission device comprises an electric motor with which the energy stored in the mechanical energy store can be converted into electrical energy and supplied to the control device.
  • An additional generator is not required.
  • the device is characterized by an electronic circuit for regulating, preferably increasing, the electrical voltage of the energy taken from the mechanical energy store and converted into electrical energy.
  • the electronic circuit preferably comprises a step-up converter for increasing the electrical voltage of the energy taken from the mechanical energy store and converted into electrical energy.
  • the boost converter comprises an inductance, a switching element, preferably a field emission transistor, and a storage capacitor.
  • the transmission device preferably the electric motor, an inductance of the boost converter on.
  • the device is characterized by a movable between an initial position and a setting position energy transfer element for the transmission of energy from the mechanical energy store on the fastener.
  • the mechanical energy store preferably comprises a spring, particularly preferably a helical spring.
  • the spring comprises two spaced-apart and in particular mutually supported spring elements.
  • a device for driving a fastening element into a substrate comprising a mechanical energy store for storing mechanical energy, an energy transmission device for transmitting energy from an electrical energy source to the mechanical energy storage, and one of electrical energy source supplied with electrical power electronic control device, in the event of interruption of the power supply to the control device by the electrical energy source initiated an energy extraction process, in which stored in the mechanical energy storage energy is converted into electrical energy and the control device is supplied to the supply.
  • the method is characterized in that the control device controls the energy extraction process when the power supply is interrupted by the electrical energy source.
  • a device for driving a fastening element into a substrate has an energy transmission element for transmitting energy from the mechanical energy store to the fastening element.
  • the energy transmission element is movable in the direction of a setting axis between a starting position and a setting position, wherein the energy transmission element is in the setting position before a driving operation in the starting position and after the driving operation.
  • setting direction the direction from the starting position to the setting position will be referred to below.
  • the energy transmission device is suitable for conveying the energy transmission element from the setting position to the starting position.
  • the electrical energy source is a battery or a rechargeable battery.
  • the device preferably has the energy source.
  • the energy transmission device is suitable for conveying the energy transmission element from the setting position in the direction of the starting position, without transmitting energy to the mechanical energy store. This makes it possible for the mechanical energy store to absorb and / or release energy without moving the energy transfer element into the setting position. The energy store can thus be discharged without a fastener is driven out of the device.
  • the energy transfer device is suitable for transferring energy to the mechanical energy store without moving the energy transfer element.
  • the control device preferably supplies the motor with electrical current via a first electrical line in commutated phases.
  • the energy transmission device comprises a motor with a motor output, which is uninterruptible power-coupled to the mechanical energy store. Movement of the engine output causes charging or discharging of the energy storage and vice versa.
  • the power flow between the engine output and the mechanical energy store can preferably not be interrupted, for example by means of a clutch.
  • the device comprises a safety mechanism by means of which the electrical energy source can be coupled or coupled to the device in such a way that the mechanical energy store is automatically released when the electrical energy source is separated from the device.
  • the stored energy in the mechanical energy storage is degraded controlled.
  • the device comprises a holding device which holds stored energy in the mechanical energy store and which automatically releases a discharge of the mechanical energy store when the electrical energy source is disconnected from the device.
  • the safety mechanism includes an electromechanical actuator that automatically unlocks a barrier device that holds stored energy in the mechanical energy storage when the electrical energy source is disconnected from the device.
  • the device comprises a coupling and / or braking device in order to reduce the energy stored in the mechanical energy store in a controlled manner when the mechanical energy store is being discharged.
  • the safety mechanism comprises at least one safety switch which shorts phases of the electric drive motor in order to reduce energy stored in the mechanical energy store in a controlled manner when the mechanical energy store is being discharged.
  • the safety switch is designed as a self-conductive electronic switch, in particular as a J-Fet.
  • the motor comprises three phases and is controlled by a 3-phase motor bridge circuit with free-wheeling diodes, which rectify a voltage generated during the discharge of the mechanical energy store.
  • Fig. 1 shows a driving-in device 10 for driving a fastener, such as a nail or bolt, into a ground in a side view.
  • the driving-in device 10 has an energy transmission element (not shown) for transmitting energy to the fastening element and a housing 20, in which the energy transmission element and a likewise not shown drive device for conveying the energy transmission element are accommodated.
  • the driving-in device 10 furthermore has a handle 30, a magazine 40 and a bridge 50 connecting the handle 30 to the magazine 40.
  • the magazine is not removable. Attached to the bridge 50 are a scaffold hook 60 for suspending the driving-in device 10 on a scaffold or the like, and an electrical energy store designed as a battery 590.
  • a trigger 34 and designed as a hand switch 35 Grifflagler are arranged.
  • the driving-in device 10 has a guide channel 700 for guiding the fastening element and a pressing device 750 for detecting a distance of the driving-in device 10 from a substrate, not shown. Aligning the driving device perpendicular to a substrate is supported by an alignment aid 45.
  • Fig. 2 1 shows a schematic view of a driving-in device 10.
  • the driving-in device 10 comprises a housing 20, in which a piston 100, a coupling device 150 held closed by a holding element designed as a pawl 800, a spring 200 with a front spring element 210 and a rear spring element 220 Role train 260 with a trained as a band 270 force deflector, a front roller holder 281 and a rear roller holder 282, a spindle drive 300 with a spindle 310 and a spindle nut 320, a gear 400, a motor 480 and a control device 500 are added.
  • the force deflector is designed as a rope.
  • the driving-in device 10 furthermore has a guide channel 700 for the fastening element and a pressing device 750.
  • the housing 20 has a handle 30 on which a manual switch 35 is arranged.
  • the control device 500 communicates with the manual switch 35 as well as with a plurality of sensors 990, 992, 994, 996, 998 in order to detect the operating state of the driving-in device 10.
  • the 990, 992, 994, 996, 998 each have a Hall probe, which the Detected movement of a magnet armature, not shown, which is arranged on the respectively to be detected element, in particular fixed.
  • a bolt guide sensor also preferably provides the information as to whether a bolt guide is attached to or removed from the equipment nose.
  • a trigger sensor preferably provides the information as to whether the trigger has been pulled.
  • a piston sensor preferably provides the information as to whether the energy transfer element is in its initial position or in the set position.
  • a band sensor preferably provides the information as to whether the force transmitting member is in a cocked or in a relaxed position.
  • sensors such as Hall sensors, inductive sensors or switches, capacitive sensors or switches or mechanical switches are used.
  • the drive-in device has a flexible printed circuit board, to which some or all sensors are attached and via which the sensors are connected to the control device. This facilitates the mounting of the sensors in the manufacture of the driving device.
  • the control device preferably comprises a processor, particularly preferably a microprocessor, for processing the sensor signals and / or other data, in particular information about currents, voltages and the temperature of the electronics.
  • a sensor board preferably processes the sensor signals, in particular of the spindle sensor, of the roll holder sensor, of the pawl sensor, of the pin guide sensor or of the contact pressure sensor.
  • a motor control device preferably processes the signal for the motor commutation.
  • the accumulator control arranged in the accumulator preferably processes Information about the temperature, the type, the state of charge and any malfunctions of the battery.
  • control device preferably processes the temperature of the engine, the electronics, the ambient air and / or the battery, wherein the signal for the battery temperature can also be used for the identification of a battery fault by a battery electronic arranged in the battery.
  • the control device also preferably processes the current drawn from the battery, the current strength of individual commutated phases, the voltage applied to the battery contacts, the voltage applied to the intermediate circuit of a power bridge, the voltage applied to individual components, in particular sensors, and / or the rotational speed of the motor wherein the rotational speed of the motor is detected, for example, based on the switched commutation steps, on the basis of a mutual induction or by means of position sensors and / or switches in the motor.
  • the controller communicates with a battery control in the battery. In particular, information such as a power requirement, a number of completed cycles with the battery used, a state of charge, the type, the maximum current or voltage each of the battery are exchanged.
  • the power to the motor is preferably regulated as a function of the voltage applied to the battery contacts and / or to the intermediate circuit.
  • the full power is applied to the motor until the voltage has fallen to a defined value, for example 12 V. If this value is reached, the control reduces the power and regulates this voltage value. So that the currents to the motor are not too high in the case of a powerful battery, a current limiting regulation is additionally used, which ensures that a predetermined current is not exceeded.
  • these control systems can ensure and optimize the operation of the device against low voltage. These parameters can be adapted for different battery types and states by the controller.
  • the control device of the driving-in device 10 is suitable for initiating an energy extraction process in the event of an interruption of the power supply of the control device by the electrical energy source, that is, for example if a user inadvertently removes the battery from the driving-in device 10.
  • Energy extraction process is energy that is optionally stored in the mechanical energy storage, converted by the electric motor into electrical energy.
  • the electric motor then operates as a generator whose electrical energy is supplied to the control device for the supply thereof.
  • the control device is able to control the energy extraction process despite the interrupted power supply by the electrical energy source.
  • the boost converter 1 comprises an inductance L, a switching element S, which comprises a field emission transistor, and a storage capacitor C.
  • the storage capacitor C can hereby be used to generate an output voltage which is higher than an input voltage V.
  • a current I flows in the direction of the arrow.
  • a motor winding L is used as an inductor, a switching bridge S H , S L as a switching element and a buffer capacitor C as a storage capacitor of the boost converter, so that no additional electronic components for representation of the boost converter are required.
  • the desired behavior of the boost converter circuit 2 can be generated by suitable control of the field emission transistors S H , S L from the switching bridge.
  • suitable control of the field emission transistors S H , S L from the switching bridge a generator operation of the motor without increasing the voltage can be achieved, if desired.
  • By selecting the desired mode it is possible to regulate the voltage at the buffer capacitor C to any desired values.
  • the controller detects the loss of the battery when removing.
  • the supply voltage of the control device is maintained with the aid of the invention on the one hand and optionally regulated to a constant value, whereby safe operation of the control device is ensured, as long as energy is present in the mechanical energy storage.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Portable Nailing Machines And Staplers (AREA)
EP13166697.6A 2013-05-06 2013-05-06 Dispositif d'entraînement et procédé d'utilisation d'un dispositif d'enfoncement Withdrawn EP2801449A1 (fr)

Priority Applications (9)

Application Number Priority Date Filing Date Title
EP13166697.6A EP2801449A1 (fr) 2013-05-06 2013-05-06 Dispositif d'entraînement et procédé d'utilisation d'un dispositif d'enfoncement
TW103114777A TWI674955B (zh) 2013-05-06 2014-04-24 用於將緊固件打入基底的裝置及使用該裝置的方法
PCT/EP2014/058672 WO2014180706A2 (fr) 2013-05-06 2014-04-29 Dispositif d'enfoncement et procédé pour utiliser un dispositif d'enfoncement
EP14723384.5A EP2994273B1 (fr) 2013-05-06 2014-04-29 Dispositif d'entraînement et procédé d'utilisation d'un dispositif d'enfoncement
US14/888,478 US10160108B2 (en) 2013-05-06 2014-04-29 Driving-in device and method for using a driving-in device
CN201480026106.7A CN105377511B (zh) 2013-05-06 2014-04-29 击入设备和使用击入设备的方法
AU2014264823A AU2014264823B2 (en) 2013-05-06 2014-04-29 Driving-in device and method for using a driving-in device
ES14723384.5T ES2623289T3 (es) 2013-05-06 2014-04-29 Dispositivo de fijación por impacto y método para utilizar un dispositivo de fijación por impacto
CA2911281A CA2911281C (fr) 2013-05-06 2014-04-29 Dispositif d'enfoncement et procede pour utiliser un dispositif d'enfoncement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP13166697.6A EP2801449A1 (fr) 2013-05-06 2013-05-06 Dispositif d'entraînement et procédé d'utilisation d'un dispositif d'enfoncement

Publications (1)

Publication Number Publication Date
EP2801449A1 true EP2801449A1 (fr) 2014-11-12

Family

ID=48288922

Family Applications (2)

Application Number Title Priority Date Filing Date
EP13166697.6A Withdrawn EP2801449A1 (fr) 2013-05-06 2013-05-06 Dispositif d'entraînement et procédé d'utilisation d'un dispositif d'enfoncement
EP14723384.5A Active EP2994273B1 (fr) 2013-05-06 2014-04-29 Dispositif d'entraînement et procédé d'utilisation d'un dispositif d'enfoncement

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP14723384.5A Active EP2994273B1 (fr) 2013-05-06 2014-04-29 Dispositif d'entraînement et procédé d'utilisation d'un dispositif d'enfoncement

Country Status (8)

Country Link
US (1) US10160108B2 (fr)
EP (2) EP2801449A1 (fr)
CN (1) CN105377511B (fr)
AU (1) AU2014264823B2 (fr)
CA (1) CA2911281C (fr)
ES (1) ES2623289T3 (fr)
TW (1) TWI674955B (fr)
WO (1) WO2014180706A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

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CN103944419B (zh) * 2013-01-17 2016-07-06 北京大风时代科技有限责任公司 功率型倍压驱动电路及使用该功率型倍压驱动电路的电钉枪
WO2020007706A1 (fr) * 2018-07-03 2020-01-09 Hilti Aktiengesellschaft Système d'outil de pose pour systèmes d'ancrage
EP3670090A1 (fr) * 2018-12-18 2020-06-24 Hilti Aktiengesellschaft Dispositif, appareil d'entraînement et procédé
US11285593B2 (en) * 2020-05-05 2022-03-29 Apex Mfg. Co., Ltd. Electric stapler
JP7459648B2 (ja) * 2020-05-14 2024-04-02 マックス株式会社 打ち込み工具
JP7746803B2 (ja) * 2021-10-26 2025-10-01 マックス株式会社 結束機
CN116175490B (zh) * 2021-11-29 2025-06-17 台州市大江实业有限公司 射钉控制装置以及射钉枪
WO2023158729A1 (fr) 2022-02-18 2023-08-24 Milwaukee Electric Tool Corporation Visseuse de fermeture motorisée
US12318899B2 (en) 2023-01-27 2025-06-03 Milwaukee Electric Tool Corporation Powered fastener driver
US12479075B2 (en) 2023-01-27 2025-11-25 Milwaukee Electric Tool Corporation Powered fastener driver
DE102024112566A1 (de) 2023-05-05 2024-11-07 Milwaukee Electric Tool Corporation Fremdkraftbetätigter befestigungsmitteleintreiber

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WO2007048006A2 (fr) * 2005-10-21 2007-04-26 Black & Decker Inc. Outil d'entrainement a combustion
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US20110303428A1 (en) * 2010-06-15 2011-12-15 Hilti Aktiengesellschaft Bolt-firing device that can be operated electrically and method for operating the bolt-firing device
WO2011157775A2 (fr) 2010-06-15 2011-12-22 Hilti Aktiengesellschaft Dispositif d'enfoncement

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040182334A1 (en) * 2002-12-19 2004-09-23 Mario Grazioli Combustion - powered working tool, in particular a setting tool for fastening elements
WO2007048006A2 (fr) * 2005-10-21 2007-04-26 Black & Decker Inc. Outil d'entrainement a combustion
US20090090759A1 (en) * 2007-10-05 2009-04-09 Leimbach Richard L Fastener driving tool using a gas spring
US20110303428A1 (en) * 2010-06-15 2011-12-15 Hilti Aktiengesellschaft Bolt-firing device that can be operated electrically and method for operating the bolt-firing device
WO2011157775A2 (fr) 2010-06-15 2011-12-22 Hilti Aktiengesellschaft Dispositif d'enfoncement

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
WO2017067911A1 (fr) * 2015-10-21 2017-04-27 Hilti Aktiengesellschaft Appareil d'enfoncement portatif et procédé de fonctionnement d'un appareil d'enfoncement de ce type

Also Published As

Publication number Publication date
US10160108B2 (en) 2018-12-25
AU2014264823A1 (en) 2015-11-12
CN105377511B (zh) 2017-08-22
CN105377511A (zh) 2016-03-02
WO2014180706A2 (fr) 2014-11-13
EP2994273B1 (fr) 2017-01-25
TWI674955B (zh) 2019-10-21
WO2014180706A3 (fr) 2014-12-31
US20160167210A1 (en) 2016-06-16
ES2623289T3 (es) 2017-07-10
AU2014264823B2 (en) 2017-01-19
TW201507826A (zh) 2015-03-01
EP2994273A2 (fr) 2016-03-16
CA2911281A1 (fr) 2014-11-13
CA2911281C (fr) 2017-10-17

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