EP3230012A1 - Setzgerät und verfahren zum betreiben eines setzgeräts - Google Patents
Setzgerät und verfahren zum betreiben eines setzgerätsInfo
- Publication number
- EP3230012A1 EP3230012A1 EP15807877.4A EP15807877A EP3230012A1 EP 3230012 A1 EP3230012 A1 EP 3230012A1 EP 15807877 A EP15807877 A EP 15807877A EP 3230012 A1 EP3230012 A1 EP 3230012A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- drive
- piston
- primary
- setting device
- setting
- 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
Links
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
- 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
- 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 invention relates to a setting device for fastening elements, with a driving piston which can be driven by a primary drive, and with a secondary drive.
- the invention further relates to a method for operating such a setting device.
- the object of the invention is to provide a lightweight and handy setting tool which enables the provision of a large setting energy.
- the object is in a setting device for fasteners, with a driving piston, which is driven by a primary drive, and with a secondary drive, achieved in that the primary drive is combined in a hybrid drive for the drive piston so with the secondary drive that the Drive piston is drivingly driven with both the primary and the secondary drive.
- the secondary drive is used not only, as in the setting device known from German Patent DE 103 25 920 B4, for returning the drive piston.
- the secondary drive in the hybrid drive is combined with primary drive, that the secondary drive can also be used in addition, at least supportive, or alone for accelerating the drive piston.
- a preferred embodiment of the setting device is characterized in that the primary drive is a gas drive.
- gas drive in connection with the setting tool means that the drive piston is driven by an expandable gas.
- a defined amount of the expandable gas is preferably ignited in a combustion chamber by a suitable ignition device, such as a spark plug. Then the expandable gas expands abruptly, whereby the driving piston is accelerated.
- the secondary drive is an electric motor drive.
- the electromotive drive is used not only for applying a force to the driving piston, but particularly advantageous for applying a driving force to the driving piston in order to accelerate it.
- the electromotive drive can also be used to move the drive piston in the direction of a combustion chamber to compress expandable gas in the combustion chamber, in particular vorzukomprim Schlieren or recharge.
- Another preferred embodiment of the setting tool is characterized in that the secondary drive is drivingly connected to a piston rod of the driving piston.
- the driving connection between the secondary drive and the piston rod of the drive piston can be represented, for example, by intermeshing gears or by a friction gear.
- a further preferred embodiment of the setting device is characterized in that the primary and the secondary drive are connected in terms of control with a common control unit.
- the common control unit controls, for example, the primary drive designed as a gas drive, in particular a combustion process in the combustion chamber of the primary drive.
- the gas metering and ignition of the expanding gas in the combustion chamber are controlled to control the combustion.
- the electromotive drive which is preferably the secondary drive, for example, at least one electric motor is connected in terms of control with the common control unit.
- the control of the two drives via the common control unit preferably takes place as a function of a current Einforergie band.
- a further preferred embodiment of the setting device is characterized in that the secondary drive is associated with a coupling which allows uncoupling of the secondary drive from the driving piston. This provides the advantage that the secondary drive, in particular the electric motor drive, depending on demand on or can be disengaged.
- the invention also relates to a method for operating a setting device described above.
- the inventive combination of the two drives in the hybrid drive for the drive piston operating modes of the setting device are possible, which can not be displayed with conventional setting devices. This has a particularly advantageous effect on an optimized with regard to the required energy consumption operation of the setting device, which is controlled in particular depending on the current Einsteinergie band.
- a preferred embodiment of the method is characterized in that the setting device comprises at least a first mode in which the driving piston is accelerated solely by the primary drive, and at least a second mode in which the driving piston is accelerated by the primary and the secondary drive.
- the first operating mode corresponds to a standard combustion drive.
- the driving piston can be returned to an initial position by means of a thermal piston recirculation typical for gas appliances and / or by the secondary drive.
- the second mode is also referred to as hybrid drive.
- the drive piston is preferably accelerated by the combustion pressure provided by the primary drive and by the electric drive representing the secondary drive.
- a further preferred embodiment of the method is characterized in that the setting device has at least one third mode in which the driving piston is accelerated solely by the secondary drive.
- This operating mode is also referred to as electric drive.
- the third mode is particularly advantageous for applications in which a relatively low set energy is needed.
- a further preferred embodiment of the method is characterized in that the secondary drive is used to charge a combustion chamber of the primary drive by means of the drive piston.
- This operating mode is also referred to as a combustion drive with charging.
- the secondary drive is used to compress expandable gas in the combustion chamber of the primary drive, in particular pre-compress.
- a subsequent piston acceleration of the drive piston is then carried out by the increased combustion pressure as a result of the charge. As a result, more set energy can be released than with conventional setting tools.
- a further preferred embodiment of the method is characterized in that the primary drive, in particular a gas metering and / or an ignition of the primary drive, is controlled by a common control, via which the secondary drive is also controlled.
- the common control makes it possible in a simple way to optimize the operation of the setting device depending on Einandergie point energetically.
- the invention further relates to a computer program product with a program code for carrying out the method described above, in particular when the program is executed in the common control of the setting device.
- the single accompanying figure shows a simplified representation of a setting device according to the invention.
- a setting device 1 with a housing 2 is shown greatly simplified.
- the housing 2 comprises a (not shown) handle on which the setting device 1 for driving a fastener 6 can be tacked, which emerges at a setting end 5 of the setting tool 1 and in a (also not shown) is driven in the ground.
- the fastening elements 6 used are preferably provided via a device-internal (not shown) magazine, which is mounted in the vicinity of the setting end 5 on the setting tool 1. From the magazine, the fastening elements 6, preferably individually, automatically removed and provided in an element guide 4 at the setting end 5. Energy required for driving the fastening elements 6 into the ground is transmitted to the fastening element 6 in the piston guide 3 via a drive piston 7, which is guided in a piston guide 3.
- a device-internal (not shown) magazine which is mounted in the vicinity of the setting end 5 on the setting tool 1. From the magazine, the fastening elements 6, preferably individually, automatically removed and provided in an element guide 4 at the setting end 5. Energy required for driving the fastening elements 6 into the ground is transmitted to the fastening element 6 in the piston guide 3 via a drive piston 7, which is guided in a piston guide 3.
- the fuel in the fuel tank 8 is preferably an expandable gas such as LPG. Therefore, the fuel container 8 is also referred to as a gas can or gas cartridge.
- the fuel container 8 is connected via an adjustable or controllable metering device 10 and a connecting line 1 1 with a combustion chamber or a combustion chamber 12.
- the metering device 10 is preferably designed as a metering valve.
- a control or control unit 20 is arranged in the setting device 1. From the controller 20, a control line 16, which is also referred to as ignition cable extends to the ignition device 14 in the combustion chamber 12. About the ignition cable 16, the ignitable mixture is ignited in the combustion chamber 12 by means of the ignition device 14.
- the metering device I O is connected to the controller 20 via a control line 17.
- the combustion chamber 12, the ignition device 14 and the metering device 10 with the fuel container 8 represent a primary drive 21 for the drive piston 7.
- the primary drive 21 is combined in a hybrid drive for the drive piston 7 with a secondary drive 22.
- the secondary drive 22 is designed as an electric motor drive with an electrical power supply device 23 and an electric motor 24.
- the electrical power supply device 23 is designed, for example, as a battery or rechargeable battery and connected to the electric motor 24 via a power supply line.
- the electric motor 24 is connected via a control line 18 in terms of control with the controller 20.
- the controller 20 provides a common control for the primary drive 21 and the secondary drive 22.
- the electromotive drive representing the secondary drive 22 is drivingly connected to a piston rod 30 of the drive piston 7 via a coupling device 25.
- the coupling device 25 comprises a gear wheel 26 which is connected in a rotationally fixed manner to a drive shaft of the electric motor 24.
- the gear 26 has an external toothing 27, which is in engagement with a linear toothing 28, which is formed on the piston rod 30 of the driving piston 7.
- the coupling device 25 may be combined with a coupling (not shown) which allows engagement and disengagement of the electric motor 24.
- a display of the setting device 1 is indicated.
- an input device of the setting device 1 is indicated.
- About the display 34 operation-dependent information of the setting device 1 are displayed externally visible to an operator.
- About the input device 35 can be made by the operator inputs to the setting device 1.
- a first position or starting position of the driving piston 7 is indicated by a line 38.
- a magnetic device 40 of the driving piston 7 is held in its first position or initial position.
- the magnetic device 40 includes, for example, two magnets whose north and south poles are indicated by rectangles.
- the drive piston 7 can be held by friction in its initial position or first position 38.
- the primary drive 21 and / or the secondary drive 22 of the driving piston 7 can be moved from its first position or starting position 38 in its second position shown in the figure. Due to the associated acceleration of the driving piston 7, the fastening element 6 can be driven at the end 5 of the setting device 1 in the ground.
- the driving piston 7 can be brought back into its starting position or first position 38 by the thermal piston recirculation typical for gas appliances or by the secondary drive 22 with the electric motor 24 and the coupling device 25.
- the electromotive drive 22, which represents the secondary drive, can take place via the motor unit 24, which acts mechanically on the piston rod 30, as shown.
- the electric drive via a (not shown) coil system on the piston guide side and a corresponding counterpart on the piston side, for example in the form of a plunger, done.
- This type of electric drive is similar to a reciprocating solenoid.
- the setting device can be operated in five different operating modes.
- a first operating mode which is also referred to as standard combustion drive
- the drive piston 7 is accelerated exclusively via the combustion pressure provided with the primary drive 21.
- the driving piston 7 is located before the combustion in its initial position or first position 38, which is also referred to as the rearmost position.
- first position 38 which is also referred to as the rearmost position.
- the driving piston 7 is accelerated both by the combustion pressure provided by the primary drive 21 and by the electric drive which constitutes the secondary drive 22.
- the combustion process is started in the hybrid drive as well as in the first operating mode.
- the common control 20 for the two drives 21 and 22 is at the piston acceleration additionally the electric motor 24, which is assigned to the secondary drive 22, switched on.
- the secondary or electromotive drive 22 which is also referred to as an electric drive, is used for precompression of the combustible mixture in the combustion chamber 12.
- the piston acceleration is due to the increased combustion pressure due to the charge.
- the third operating mode is also referred to as a combustion drive with charging.
- the drive piston 7 is initially in its second position shown in the figure in front of the rear position 38. To achieve a higher oxygen concentration in the combustion chamber 12 of the electric motor drive 22 moves the drive piston 7 to the rear, that is to the combustion chamber 12 to. As a result, the air in the combustion chamber 12 is compressed.
- the electromotive drive 22 is preferably coupled to the drive piston 7 in the third operating mode only during the charging phase. Subsequently, the driving piston 7 is brought mechanically or electrically controlled out of engagement with the driving piston 7. As a result, an undesirable incorrect load during the working stroke of the driving piston 7 is prevented in a simple manner.
- the driving piston 7 is additionally accelerated by the electric drive 22 in the working direction.
- the pre-compression of the air in the combustion chamber 12 is carried out as in the third mode.
- the electric motor drive 22 is switched on to accelerate the driving piston 7.
- the fourth mode is also referred to as a hybrid drive with charging.
- the drive piston 7 is accelerated exclusively by the electromotive drive 22.
- the fifth mode is also called Electric drive designates.
- the fifth operating mode with the electric drive is particularly suitable for applications in which only a relatively low setting energy is needed to drive the fastener 6 in the ground.
- the driving piston 7 is also at the beginning of the electric drive in its first position or starting position 38th
- the setting device 1 according to the invention with the hybrid drive can be made lighter than a conventional gas appliance and also lighter than a battery-powered setting device. With the setting tool 1 according to the invention higher set energies can be achieved by the hybrid drive than with conventional setting tools.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Portable Nailing Machines And Staplers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP14197559.9A EP3031581A1 (de) | 2014-12-12 | 2014-12-12 | Setzgerät und Verfahren zum Betreiben eines Setzgeräts |
| PCT/EP2015/079055 WO2016091920A1 (de) | 2014-12-12 | 2015-12-09 | Setzgerät und verfahren zum betreiben eines setzgeräts |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3230012A1 true EP3230012A1 (de) | 2017-10-18 |
| EP3230012B1 EP3230012B1 (de) | 2021-08-25 |
Family
ID=52023329
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP14197559.9A Withdrawn EP3031581A1 (de) | 2014-12-12 | 2014-12-12 | Setzgerät und Verfahren zum Betreiben eines Setzgeräts |
| EP15807877.4A Active EP3230012B1 (de) | 2014-12-12 | 2015-12-09 | Setzgerät und verfahren zum betreiben eines setzgeräts |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP14197559.9A Withdrawn EP3031581A1 (de) | 2014-12-12 | 2014-12-12 | Setzgerät und Verfahren zum Betreiben eines Setzgeräts |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US10744631B2 (de) |
| EP (2) | EP3031581A1 (de) |
| JP (1) | JP6473819B2 (de) |
| CN (1) | CN107107319A (de) |
| AU (1) | AU2015359436B2 (de) |
| WO (1) | WO2016091920A1 (de) |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4042036A (en) * | 1973-10-04 | 1977-08-16 | Smith James E | Electric impact tool |
| US4928868A (en) * | 1983-03-17 | 1990-05-29 | Duo-Fast Corporation | Fastener driving tool |
| US4946087A (en) * | 1985-11-01 | 1990-08-07 | Arrow Fastener Company, Inc. | Staple driving tool |
| US5098004A (en) * | 1989-12-19 | 1992-03-24 | Duo-Fast Corporation | Fastener driving tool |
| DE4032204C2 (de) * | 1990-10-11 | 1999-10-21 | Hilti Ag | Setzgerät für Befestigungselemente |
| US5398537A (en) * | 1991-12-06 | 1995-03-21 | Gemcor Engineering Corporation | Low amperage electromagnetic apparatus and method for uniform rivet upset |
| US6276050B1 (en) * | 1998-07-20 | 2001-08-21 | Emhart Inc. | Riveting system and process for forming a riveted joint |
| DE10032949A1 (de) * | 2000-07-06 | 2002-01-17 | Hilti Ag | Schraubgerät |
| US6796477B2 (en) * | 2002-10-30 | 2004-09-28 | Aplus Pneumatic Corp. | Nail-hammering apparatus |
| DE10325920B4 (de) * | 2003-06-07 | 2005-09-01 | Hilti Ag | Über expandierbare Gase antreibbares Setzgerät |
| US7165305B2 (en) * | 2004-04-02 | 2007-01-23 | Black & Decker Inc. | Activation arm assembly method |
| SE527762C2 (sv) * | 2004-10-14 | 2006-05-30 | Atlas Copco Rock Drills Ab | Slagverk |
| DE102005000062A1 (de) | 2005-05-18 | 2006-11-23 | Hilti Ag | Elektrisch betriebenes Eintreibgerät |
| JP2007222989A (ja) * | 2006-02-23 | 2007-09-06 | Max Co Ltd | ガスネイラにおける打撃ピストン保持構造 |
| JP5011903B2 (ja) * | 2006-09-15 | 2012-08-29 | マックス株式会社 | 手持ち工具 |
| JP2008255813A (ja) * | 2007-04-02 | 2008-10-23 | Max Co Ltd | ガス内燃式釘打機 |
| US8550321B2 (en) * | 2008-05-21 | 2013-10-08 | Poly Systems Pty Ltd | Tool for driving fasteners |
-
2014
- 2014-12-12 EP EP14197559.9A patent/EP3031581A1/de not_active Withdrawn
-
2015
- 2015-12-09 CN CN201580072878.9A patent/CN107107319A/zh active Pending
- 2015-12-09 WO PCT/EP2015/079055 patent/WO2016091920A1/de not_active Ceased
- 2015-12-09 AU AU2015359436A patent/AU2015359436B2/en active Active
- 2015-12-09 JP JP2017531621A patent/JP6473819B2/ja active Active
- 2015-12-09 EP EP15807877.4A patent/EP3230012B1/de active Active
- 2015-12-09 US US15/534,717 patent/US10744631B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JP2017538593A (ja) | 2017-12-28 |
| CN107107319A (zh) | 2017-08-29 |
| WO2016091920A1 (de) | 2016-06-16 |
| JP6473819B2 (ja) | 2019-02-27 |
| US10744631B2 (en) | 2020-08-18 |
| US20170334050A1 (en) | 2017-11-23 |
| AU2015359436A1 (en) | 2017-06-29 |
| AU2015359436B2 (en) | 2019-01-17 |
| EP3031581A1 (de) | 2016-06-15 |
| EP3230012B1 (de) | 2021-08-25 |
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