WO2020120122A1 - Driving-in device - Google Patents

Driving-in device Download PDF

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Publication number
WO2020120122A1
WO2020120122A1 PCT/EP2019/082563 EP2019082563W WO2020120122A1 WO 2020120122 A1 WO2020120122 A1 WO 2020120122A1 EP 2019082563 W EP2019082563 W EP 2019082563W WO 2020120122 A1 WO2020120122 A1 WO 2020120122A1
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WO
WIPO (PCT)
Prior art keywords
workpiece
driving
driving direction
support element
pressure sensor
Prior art date
Application number
PCT/EP2019/082563
Other languages
German (de)
French (fr)
Inventor
Thomas Foser
Original Assignee
Hilti Aktiengesellschaft
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 Aktiengesellschaft filed Critical Hilti Aktiengesellschaft
Publication of WO2020120122A1 publication Critical patent/WO2020120122A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B31/00—Hand tools for applying fasteners
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00—Riveting
    • B21J15/10—Riveting machines
    • B21J15/105—Portable riveters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00—Riveting
    • B21J15/10—Riveting machines
    • B21J15/30—Particular elements, e.g. supports; Suspension equipment specially adapted for portable riveters
    • 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
    • B25C1/008—Safety devices
    • 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
    • B25C1/10—Hand-held nailing tools; Nail feeding devices operated by combustion pressure generated by detonation of a cartridge
    • B25C1/18—Details and accessories, e.g. splinter guards, spall minimisers
    • B25C1/188—Arrangements at the forward end of the barrel, e.g. splinter guards, spall minimisers, safety arrangements, silencers, bolt retainers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25C—HAND-HELD NAILING OR STAPLING TOOLS; MANUALLY OPERATED PORTABLE STAPLING TOOLS
    • B25C7/00—Accessories for nailing or stapling tools, e.g. supports

Definitions

  • the invention relates to a device for driving fasteners in a driving direction in a workpiece, such as a setting tool for setting fasteners such as nails, bolts, rivets, screws or anchors.
  • Driving-in devices are known from the prior art, each comprising a housing and a pressure sensor, the pressure sensor being able to be pressed against a workpiece in a driving-in direction and thereby being displaceable relative to the housing in the opposite direction to the driving-in direction.
  • Support elements are known which support the respective workpiece against the driving direction.
  • a device for driving fasteners in a driving direction into a workpiece comprising a housing, a pressure sensor which can be pressed against the workpiece in the driving direction and thereby displaceable relative to the housing against the driving direction, and a support element which supports the workpiece against the driving direction while a fastener is driven into the workpiece.
  • the support element can be displaced transversely, preferably perpendicularly, to the driving direction relative to the pressing sensor, while the pressing sensor is displaced relative to the housing against the driving direction. With such a configuration, the support element can reach behind the workpiece while the driving device is pressed against the workpiece.
  • An advantageous embodiment is characterized in that the device comprises a drive-in element and a drive accommodated in the housing, which drives the drive-in element onto a fastening element in order to drive the fastening element into the workpiece.
  • the pressure sensor can be moved relative to the housing in the opposite direction to a pressing position, the pressing sensor releasing a driving process when the pressing sensor is in the pressing position and blocking the driving process when the pressing sensor is outside the pressing position.
  • Pressure sensor has a guide channel in which a fastening element is guided while the fastening element is being driven into the workpiece.
  • Support element engages behind the workpiece when the pressure sensor is pressed onto the workpiece.
  • Support element has a protrusion protruding counter to the driving direction, which engages in a recess on the workpiece.
  • Support element is linearly displaceable transversely to the driving direction, while the pressure sensor is displaced relative to the housing against the driving direction.
  • Support element can be pivoted transversely to the driving-in direction about a pivot axis which is preferably oriented perpendicular to the driving-in direction, while the pressure sensor is displaced relative to the housing in the opposite direction to the driving-in direction.
  • the fastening elements are preferably driven into the workpiece along a driving axis, the pivot axis intersecting the driving axis.
  • the support element likewise preferably comprises a swivel arm which is mounted on the housing so as to be rotatable about the swivel axis.
  • Support element has a deflecting surface inclined to the driving-in direction, which abuts the workpiece when the driving-in device is moved towards the workpiece, and thereby displaces the supporting element transversely to the driving-in direction. This makes it possible to automatically deflect the support element transversely to the driving direction during a pressing movement against the workpiece.
  • Support element has an actuating element for manual displacement of the support element transversely to the driving direction. This further simplifies the entire driving process.
  • Fig. 3 shows a longitudinal section of the driving device during application to the
  • Fig. 4 shows a longitudinal section of the driving device applied to the workpiece.
  • a device 1 designed as a bolt-setting device, for driving in fastening elements 2 along a drive-in axis 14 in a drive-in direction 3 into a workpiece 4 is shown.
  • the fastening elements 2 are designed as nails, in the case of exemplary embodiments that are not shown, for example as bolts, pins, clamps or screws.
  • the device 1 comprises a drive-in element 5, for example in the form of a setting piston or screw bit, and a drive 7, shown only schematically and accommodated in a housing 6, which drives the drive-in element 5 onto a respective fastening element 2 in order to drive the fastening element 2 into the workpiece 4.
  • the drive 7 comprises, for example, a gas or powder-operated combustion drive, a compressed air drive or a spring, flywheel or electrodynamic electric drive, in particular with an electric motor and an electric battery.
  • the device 1 further comprises a pressure sensor 8 which can be pressed against the workpiece 4 in the driving-in direction 3 and can thus be displaced relative to the housing 6 against the driving-in direction 3 up to a pressing position shown in FIGS. 1 and 4.
  • the pressing sensor 8 In the pressing position, the pressing sensor 8 enables the device to be driven in, but outside the pressing position, the pressing sensor 8 blocks it
  • the pressure sensor 8 has a guide channel 9, in which a fastening element 2 is guided while it is being driven into the workpiece 4.
  • the device has a guide channel which is separate from the pressure sensor, the pressure sensor then preferably being arranged along the guide channel in the driving-in direction.
  • the workpiece 4 is designed as a connecting sleeve for elongated elements such as pipes or rods, for example reinforcement rods.
  • the workpiece 4 and / or the elements to be connected are preferably made of a metal such as iron or an alloy such as steel.
  • fastening elements are driven tangentially into a gap between an inside of the workpiece 4 and an outside of the elongated elements in order to connect the elongated elements to the workpiece 4 in a frictional and / or form-fitting manner.
  • the fastening elements 2 are preassembled on the workpiece 4, for example by being inserted into prefabricated passages such as bores, preferably by means of a press fit.
  • the fastening elements are fed to the guide channel individually or in a magazine.
  • the device preferably has a magazine which opens into the guide channel.
  • the device 1 comprises a support element 10, which supports the workpiece 4 against the driving direction 3, while a fastening element 2 is driven into the workpiece 4. This enables the device 1 to be pressed securely onto the workpiece 4.
  • the support element 10 advantageously engages behind the workpiece 4 in the pressing position, that is to say when the pressing sensor 8 is pressed against the workpiece 4. For a secure support of the workpiece 4 by the support element 10, this has Support element 10 has a protrusion 11 protruding counter to the driving-in direction 3, which engages in a recess 12 in the form of a groove on the workpiece 4.
  • the support element 10 can be pivoted relative to the pressure sensor 8 perpendicular to the drive-in direction 3 about a pivot axis 13 oriented perpendicular to the drive-in direction 3 and intersecting the drive-in axis 14, while the pressure sensor 8 is displaced relative to the housing 6 against the drive-in direction 3.
  • the support element 10 comprises two swivel arms 15, which are each mounted on the housing 6 so as to be rotatable about the swivel axis 13 by means of a pivot pin 16.
  • the support element 10 has a deflecting surface 17 inclined to the driving-in direction 3, through which the driving-in axis 14 runs, so that the deflecting surface 17 abuts the workpiece 4 and / or the preassembled fastening elements 2 when the device in the driving-in direction 3 on the workpiece 4 is moved to. Due to the inclination of the deflecting surface 17 to the driving-in direction 3, the support element 10 is displaced transversely to the driving-in direction 3 (upwards in FIG. 3) when the deflecting surface 17 abuts the workpiece 4. As a result, the support element 10 is automatically pivoted out of the driving-in axis 14 transversely to the driving-in direction 3 during a pressing movement against the workpiece 4.
  • the projection 11 can move back into the setting axis 14, so that the support element 10 engages behind the workpiece 4 while the device 1 is pressed onto the workpiece 4.
  • This is supported by two return springs 18, each of which is mounted between a swivel arm 15 and the housing 6, in order to move the support element 10 into the position shown in FIGS. 1, 2 and 4, in which the drive-in axis 14 runs through the projection 11. preload.
  • the swivel arms 15 each have a damping element 19, on each of which a return spring 18 is mounted.
  • the support element can be displaced linearly transversely to the driving direction, while the pressure sensor is displaced relative to the housing against the driving direction.
  • the support element 10 comprises an actuating element 20 for manually displacing the support element 10 transversely to the driving-in direction 3, with which the supporting element 10 can be released again from the workpiece 4, for example after a driving-in process has taken place.
  • the invention has been described using several exemplary embodiments of a driving-in device for fastening elements. It goes without saying that all the features of the individual exemplary embodiments can also be implemented in any combination in a single device, provided that they do not contradict one another. It is also pointed out that the invention is also suitable for other applications, in particular for screwing devices and the like.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Automatic Assembly (AREA)

Abstract

The invention relates to a device for driving fasteners into a workpiece in a driving-in direction, comprising a housing, a contact sensor, which can be pressed against the workpiece in the driving-in direction and thereby can be moved relative to the housing against the driving-in direction, and a support element, which supports the workpiece against the driving-in direction while a fastener is driven into the workpiece, characterized in that the support element can be moved relative to the contact sensor transversely to the driving-in direction while the contact sensor is moved relative to the housing against the driving-in direction.

Description

Eintreibvorrichtung Driving device
Die Erfindung betrifft eine Vorrichtung zum Eintreiben von Befestigungselementen in einer Eintreibrichtung in ein Werkstück, wie beispielsweise ein Setzgerät zum Setzen von Befestigungselementen wie Nägeln, Bolzen, Nieten, Schrauben oder Ankern. The invention relates to a device for driving fasteners in a driving direction in a workpiece, such as a setting tool for setting fasteners such as nails, bolts, rivets, screws or anchors.
Aus dem Stand der Technik sind Eintreibvorrichtungen bekannt, die jeweils ein Gehäuse und einen Anpressfühler umfassen, wobei der Anpressfühler in einer Eintreibrichtung an ein Werkstück anpressbar und dadurch relativ zu dem Gehäuse entgegen der Eintreibrichtung versetzbar ist. Es sind Stützelemente bekannt, welche das jeweilige Werkstück entgegen der Eintreibrichtung abstützen. Driving-in devices are known from the prior art, each comprising a housing and a pressure sensor, the pressure sensor being able to be pressed against a workpiece in a driving-in direction and thereby being displaceable relative to the housing in the opposite direction to the driving-in direction. Support elements are known which support the respective workpiece against the driving direction.
Es ist eine Aufgabe der Erfindung, eine Eintreibvorrichtung anzugeben, mit der ein Befestigungselement auf einfache Weise in ein Werkstück eintreibbar ist. It is an object of the invention to provide a drive-in device with which a fastening element can be driven into a workpiece in a simple manner.
Die Aufgabe ist gelöst bei einer Vorrichtung zum Eintreiben von Befestigungselementen in einer Eintreibrichtung in ein Werkstück, umfassend ein Gehäuse, einen Anpressfühler, welcher in der Eintreibrichtung an das Werkstück anpressbar und dadurch relativ zu dem Gehäuse entgegen der Eintreibrichtung versetzbar ist, und ein Stützelement, welches das Werkstück entgegen der Eintreibrichtung abstützt, während ein Befestigungselement in das Werkstück eingetrieben wird. Dabei ist das Stützelement relativ zu dem Anpressfühler quer, bevorzugt senkrecht, zur Eintreibrichtung versetzbar, während der Anpressfühler relativ zu dem Gehäuse entgegen der Eintreibrichtung versetzt wird. Durch eine solche Ausgestaltung kann das Stützelement das Werkstück hintergreifen, während die Eintreibvorrichtung an das Werkstück angepresst wird. Dies erspart einen zusätzlichen Arbeitsschritt, der unter Umständen erforderlich ist, um das Stützelement in eine gewünschte Position zu bringen, in welcher das Stützelement das Werkstück entgegen der Eintreibrichtung abstützt. Eine vorteilhafte Ausführungsform ist dadurch gekennzeichnet, dass die Vorrichtung ein Eintreibelement und einen in dem Gehäuse aufgenommenen Antrieb umfasst, welcher das Eintreibelement auf ein Befestigungselement zu antreibt, um das Befestigungselement in das Werkstück einzutreiben. The object is achieved in a device for driving fasteners in a driving direction into a workpiece, comprising a housing, a pressure sensor which can be pressed against the workpiece in the driving direction and thereby displaceable relative to the housing against the driving direction, and a support element which supports the workpiece against the driving direction while a fastener is driven into the workpiece. The support element can be displaced transversely, preferably perpendicularly, to the driving direction relative to the pressing sensor, while the pressing sensor is displaced relative to the housing against the driving direction. With such a configuration, the support element can reach behind the workpiece while the driving device is pressed against the workpiece. This saves an additional work step, which may be necessary to bring the support element into a desired position in which the support element supports the workpiece against the driving direction. An advantageous embodiment is characterized in that the device comprises a drive-in element and a drive accommodated in the housing, which drives the drive-in element onto a fastening element in order to drive the fastening element into the workpiece.
Eine weitere vorteilhafte Ausführungsform ist dadurch gekennzeichnet, dass derA further advantageous embodiment is characterized in that the
Anpressfühler relativ zu dem Gehäuse entgegen der Eintreibrichtung bis zu einer Anpressposition versetzbar ist, wobei der Anpressfühler einen Eintreibvorgang freigibt, wenn sich der Anpressfühler in der Anpressposition befindet, und den Eintreibvorgang sperrt, wenn sich der Anpressfühler ausserhalb der Anpressposition befindet. The pressure sensor can be moved relative to the housing in the opposite direction to a pressing position, the pressing sensor releasing a driving process when the pressing sensor is in the pressing position and blocking the driving process when the pressing sensor is outside the pressing position.
Eine weitere vorteilhafte Ausführungsform ist dadurch gekennzeichnet, dass derA further advantageous embodiment is characterized in that the
Anpressfühler einen Führungskanal aufweist, in welchem ein Befestigungselement geführt ist, während das Befestigungselement in das Werkstück eingetrieben wird. Pressure sensor has a guide channel in which a fastening element is guided while the fastening element is being driven into the workpiece.
Eine weitere vorteilhafte Ausführungsform ist dadurch gekennzeichnet, dass dasAnother advantageous embodiment is characterized in that the
Stützelement das Werkstück hintergreift, wenn der Anpressfühler an das Werkstück angepresst ist. Support element engages behind the workpiece when the pressure sensor is pressed onto the workpiece.
Eine weitere vorteilhafte Ausführungsform ist dadurch gekennzeichnet, dass dasAnother advantageous embodiment is characterized in that the
Stützelement einen entgegen der Eintreibrichtung vorstehenden Vorsprung aufweist, welcher in eine Vertiefung an dem Werkstück eingreift. Support element has a protrusion protruding counter to the driving direction, which engages in a recess on the workpiece.
Eine weitere vorteilhafte Ausführungsform ist dadurch gekennzeichnet, dass dasAnother advantageous embodiment is characterized in that the
Stützelement quer zur Eintreibrichtung linear versetzbar ist, während der Anpressfühler relativ zu dem Gehäuse entgegen der Eintreibrichtung versetzt wird. Support element is linearly displaceable transversely to the driving direction, while the pressure sensor is displaced relative to the housing against the driving direction.
Eine weitere vorteilhafte Ausführungsform ist dadurch gekennzeichnet, dass dasAnother advantageous embodiment is characterized in that the
Stützelement quer zur Eintreibrichtung um eine bevorzugt senkrecht zur Eintreibrichtung orientierte Schwenkachse verschwenkbar ist, während der Anpressfühler relativ zu dem Gehäuse entgegen der Eintreibrichtung versetzt wird. Bevorzugt werden die Befestigungselemente entlang einer Eintreibachse in das Werkstück eingetrieben, wobei die Schwenkachse die Eintreibachse schneidet. Ebenfalls bevorzugt umfasst das Stützelement einen Schwenkarm, welcher um die Schwenkachse drehbar am Gehäuse gelagert ist. Eine weitere vorteilhafte Ausführungsform ist dadurch gekennzeichnet, dass dasSupport element can be pivoted transversely to the driving-in direction about a pivot axis which is preferably oriented perpendicular to the driving-in direction, while the pressure sensor is displaced relative to the housing in the opposite direction to the driving-in direction. The fastening elements are preferably driven into the workpiece along a driving axis, the pivot axis intersecting the driving axis. The support element likewise preferably comprises a swivel arm which is mounted on the housing so as to be rotatable about the swivel axis. Another advantageous embodiment is characterized in that the
Stützelement eine zur Eintreibrichtung geneigte Abweisfläche aufweist, welche an das Werkstück anstösst, wenn die Eintreibvorrichtung auf das Werkstück zu bewegt wird, und dadurch das Stützelement quer zu der Eintreibrichtung versetzt. Dadurch wird ermöglicht, das Stützelement während einer Anpressbewegung an das Werkstück automatisch quer zur Eintreibrichtung auszulenken. Support element has a deflecting surface inclined to the driving-in direction, which abuts the workpiece when the driving-in device is moved towards the workpiece, and thereby displaces the supporting element transversely to the driving-in direction. This makes it possible to automatically deflect the support element transversely to the driving direction during a pressing movement against the workpiece.
Eine weitere vorteilhafte Ausführungsform ist dadurch gekennzeichnet, dass dasAnother advantageous embodiment is characterized in that the
Stützelement ein Betätigungselement für ein manuelles Versetzen des Stützelements quer zur Eintreibrichtung aufweist. Dadurch wird der gesamte Eintreibvorgang zusätzlich vereinfacht. Support element has an actuating element for manual displacement of the support element transversely to the driving direction. This further simplifies the entire driving process.
Weitere Merkmale und Vorteile der Erfindung ergeben sich aus den Ausführungsbeispielen, welche nachfolgend anhand der anliegenden Zeichnungen näher erläutert werden. Es zeigen: Further features and advantages of the invention result from the exemplary embodiments which are explained in more detail below with reference to the attached drawings. Show it:
Fig. 1 eine Eintreibvorrichtung und ein Werkstück in einer Schrägansicht, 1 is a driving device and a workpiece in an oblique view,
Fig. 2 einen Längsschnitt der Eintreibvorrichtung vor einem Anlegen an das Werkstück, 2 shows a longitudinal section of the driving device before it is placed against the workpiece,
Fig. 3 einen Längsschnitt der Eintreibvorrichtung während des Anlegens an das Fig. 3 shows a longitudinal section of the driving device during application to the
Werkstück und Workpiece and
Fig. 4 einen Längsschnitt der an das Werkstück angelegten Eintreibvorrichtung. Fig. 4 shows a longitudinal section of the driving device applied to the workpiece.
In den Fig. 1 , 2, 3 und 4 ist eine als Bolzensetzgerät ausgebildete Vorrichtung 1 zum Eintreiben von Befestigungselementen 2 entlang einer Eintreibachse 14 in einer Eintreibrichtung 3 in ein Werkstück 4 dargestellt. Die Befestigungselemente 2 sind vorliegend als Nägel, bei nicht gezeigten Ausführungsbeispielen beispielsweise als Bolzen, Stifte, Klammern oder Schrauben ausgebildet. Die Vorrichtung 1 umfasst ein beispielsweise als Setzkolben oder Schraubenbit ausgebildetes Eintreibelement 5 und einen nur schematisch dargestellten, in einem Gehäuse 6 aufgenommenen Antrieb 7, welcher das Eintreibelement 5 auf jeweils ein Befestigungselement 2 zu antreibt, um das Befestigungselement 2 in das Werkstück 4 einzutreiben. Der Antrieb 7 umfasst beispielsweise einen gas- oder pulverbetriebenen Verbrennungsantrieb, einen Druckluftantrieb oder einen feder-, Schwungrad- oder elektrodynamischen Elektroantrieb insbesondere mit einem Elektromotor und einer elektrischen Batterie. 1, 2, 3 and 4, a device 1, designed as a bolt-setting device, for driving in fastening elements 2 along a drive-in axis 14 in a drive-in direction 3 into a workpiece 4 is shown. In the present case, the fastening elements 2 are designed as nails, in the case of exemplary embodiments that are not shown, for example as bolts, pins, clamps or screws. The device 1 comprises a drive-in element 5, for example in the form of a setting piston or screw bit, and a drive 7, shown only schematically and accommodated in a housing 6, which drives the drive-in element 5 onto a respective fastening element 2 in order to drive the fastening element 2 into the workpiece 4. The drive 7 comprises, for example, a gas or powder-operated combustion drive, a compressed air drive or a spring, flywheel or electrodynamic electric drive, in particular with an electric motor and an electric battery.
Die Vorrichtung 1 umfasst weiterhin einen Anpressfühler 8, welcher in der Eintreibrichtung 3 an das Werkstück 4 anpressbar und dadurch relativ zu dem Gehäuse 6 entgegen der Eintreibrichtung 3 bis zu einer in den Fig. 1 und 4 dargestellten Anpressposition versetzbar ist. In der Anpressposition gibt der Anpressfühler 8 einen Eintreibvorgang der Vorrichtung frei, ausserhalb der Anpressposition sperrt der Anpressfühler 8 dagegen denThe device 1 further comprises a pressure sensor 8 which can be pressed against the workpiece 4 in the driving-in direction 3 and can thus be displaced relative to the housing 6 against the driving-in direction 3 up to a pressing position shown in FIGS. 1 and 4. In the pressing position, the pressing sensor 8 enables the device to be driven in, but outside the pressing position, the pressing sensor 8 blocks it
Eintreibvorgang. Der Anpressfühler 8 weist einen Führungskanal 9 auf, in welchem ein Befestigungselement 2 geführt ist, während es in das Werkstück 4 eingetrieben wird. Bei nicht gezeigten Ausführungsbeispielen weist die Vorrichtung einen von dem Anpressfühler separaten Führungskanal auf, wobei der Anpressfühler dann in der Eintreibrichtung bevorzugt entlang dem Führungskanal angeordnet ist. Driving process. The pressure sensor 8 has a guide channel 9, in which a fastening element 2 is guided while it is being driven into the workpiece 4. In exemplary embodiments not shown, the device has a guide channel which is separate from the pressure sensor, the pressure sensor then preferably being arranged along the guide channel in the driving-in direction.
Das Werkstück 4 ist im vorliegenden Ausführungsbeispiel als Verbindungshülse für langgestreckte Elemente wie Rohre oder Stangen, beispielsweise Bewehrungsstangen, ausgebildet. Das Werkstück 4 und/oder die zu verbindenden Elemente sind dabei bevorzugt aus einem Metall wie Eisen oder einer Legierung wie Stahl gefertigt. DieIn the present exemplary embodiment, the workpiece 4 is designed as a connecting sleeve for elongated elements such as pipes or rods, for example reinforcement rods. The workpiece 4 and / or the elements to be connected are preferably made of a metal such as iron or an alloy such as steel. The
Befestigungselemente werden im vorliegenden Beispiel tangential in einen Spalt zwischen einer Innenseite des Werkstücks 4 und einer Aussenseite der langgestreckten Elemente eingetrieben, um die langgestreckten Elemente mit dem Werkstück 4 reib- und/oder formschlüssig zu verbinden. Die Befestigungselemente 2 sind an dem Werkstück 4 vormontiert, indem sie beispielsweise in vorgefertigten Durchgängen, wie Bohrungen, gesteckt sind, bevorzugt mittels eines Presssitzes. Bei nicht gezeigten Ausführungsbeispielen werden die Befestigungselemente dem Führungskanal einzeln oder magaziniert zugeführt. Die Vorrichtung weist hierzu bevorzugt ein Magazin auf, welches in den Führungskanal mündet. In the present example, fastening elements are driven tangentially into a gap between an inside of the workpiece 4 and an outside of the elongated elements in order to connect the elongated elements to the workpiece 4 in a frictional and / or form-fitting manner. The fastening elements 2 are preassembled on the workpiece 4, for example by being inserted into prefabricated passages such as bores, preferably by means of a press fit. In exemplary embodiments not shown, the fastening elements are fed to the guide channel individually or in a magazine. For this purpose, the device preferably has a magazine which opens into the guide channel.
Die Vorrichtung 1 umfasst ein Stützelement 10, welches das Werkstück 4 entgegen der Eintreibrichtung 3 abstützt, während ein Befestigungselement 2 in das Werkstück 4 eingetrieben wird. Dadurch wird ein sicheres Anpressen der Vorrichtung 1 an das Werkstück 4 ermöglicht. Vorteilhaft hintergreift das Stützelement 10 das Werkstück 4 in der Anpressposition, das heisst wenn der Anpressfühler 8 an das Werkstück 4 angepresst ist. Für ein sicheres Abstützen des Werkstücks 4 durch das Stützelement 10 weist das Stützelement 10 einen entgegen der Eintreibrichtung 3 vorstehenden Vorsprung 1 1 auf, welcher in eine als Nut ausgebildete Vertiefung 12 an dem Werkstück 4 eingreift. The device 1 comprises a support element 10, which supports the workpiece 4 against the driving direction 3, while a fastening element 2 is driven into the workpiece 4. This enables the device 1 to be pressed securely onto the workpiece 4. The support element 10 advantageously engages behind the workpiece 4 in the pressing position, that is to say when the pressing sensor 8 is pressed against the workpiece 4. For a secure support of the workpiece 4 by the support element 10, this has Support element 10 has a protrusion 11 protruding counter to the driving-in direction 3, which engages in a recess 12 in the form of a groove on the workpiece 4.
Das Stützelement 10 ist relativ zu dem Anpressfühler 8 senkrecht zur Eintreibrichtung 3 um eine senkrecht zur Eintreibrichtung 3 orientierte und die Eintreibachse 14 schneidende Schwenkachse 13 verschwenkbar, während der Anpressfühler 8 relativ zu dem Gehäuse 6 entgegen der Eintreibrichtung 3 versetzt wird. Zu diesem Zweck umfasst das Stützelement 10 zwei Schwenkarme 15, welche jeweils mittels eines Drehzapfens 16 um die Schwenkachse 13 drehbar am Gehäuse 6 gelagert sind. Ausserdem weist das Stützelement 10 eine zur Eintreibrichtung 3 geneigte Abweisfläche 17 auf, durch welche die Eintreibachse 14 verläuft, so dass die Abweisfläche 17 an das Werkstück 4 und/oder an die vormontierten Befestigungselemente 2 anstösst, wenn die Vorrichtung in der Eintreibrichtung 3 auf das Werkstück 4 zu bewegt wird. Aufgrund der Neigung der Abweisfläche 17 zur Eintreibrichtung 3 wird das Stützelement 10 quer zu der Eintreibrichtung 3 (in Fig. 3 nach oben) versetzt, wenn die Abweisfläche 17 an das Werkstück 4 stösst. Dadurch wird das Stützelement 10 während einer Anpressbewegung an das Werkstück 4 automatisch quer zur Eintreibrichtung 3 aus der Eintreibachse 14 ausgeschwenkt. The support element 10 can be pivoted relative to the pressure sensor 8 perpendicular to the drive-in direction 3 about a pivot axis 13 oriented perpendicular to the drive-in direction 3 and intersecting the drive-in axis 14, while the pressure sensor 8 is displaced relative to the housing 6 against the drive-in direction 3. For this purpose, the support element 10 comprises two swivel arms 15, which are each mounted on the housing 6 so as to be rotatable about the swivel axis 13 by means of a pivot pin 16. In addition, the support element 10 has a deflecting surface 17 inclined to the driving-in direction 3, through which the driving-in axis 14 runs, so that the deflecting surface 17 abuts the workpiece 4 and / or the preassembled fastening elements 2 when the device in the driving-in direction 3 on the workpiece 4 is moved to. Due to the inclination of the deflecting surface 17 to the driving-in direction 3, the support element 10 is displaced transversely to the driving-in direction 3 (upwards in FIG. 3) when the deflecting surface 17 abuts the workpiece 4. As a result, the support element 10 is automatically pivoted out of the driving-in axis 14 transversely to the driving-in direction 3 during a pressing movement against the workpiece 4.
Sobald der Vorsprung 11 das Werkstück 4 passiert hat, kann sich der Vorsprung 11 in die Setzachse 14 zurückbewegen, so dass das Stützelement 10 das Werkstück 4 hintergreift, während die Vorrichtung 1 an das Werkstück 4 angepresst wird. Dies wird durch zwei Rückstellfedern 18 unterstützt, welche jeweils zwischen einem Schwenkarm 15 und dem Gehäuse 6 gelagert sind, um das Stützelement 10 in die in den Fig. 1 , 2 und 4 dargestellte Stellung, in der die Eintreibachse 14 durch den Vorsprung 11 verläuft, vorzubelasten. Für eine gedämpfte Lagerung der Rückstellfedern 18 weisen die Schwenkarme 15 jeweils ein Dämpfelement 19 auf, an welchem jeweils eine Rückstellfeder 18 gelagert ist. Bei nicht gezeigten Ausführungsbeispielen ist das Stützelement quer zur Eintreibrichtung linear versetzbar ist, während der Anpressfühler relativ zu dem Gehäuse entgegen der Eintreibrichtung versetzt wird. As soon as the projection 11 has passed the workpiece 4, the projection 11 can move back into the setting axis 14, so that the support element 10 engages behind the workpiece 4 while the device 1 is pressed onto the workpiece 4. This is supported by two return springs 18, each of which is mounted between a swivel arm 15 and the housing 6, in order to move the support element 10 into the position shown in FIGS. 1, 2 and 4, in which the drive-in axis 14 runs through the projection 11. preload. For a damped mounting of the return springs 18, the swivel arms 15 each have a damping element 19, on each of which a return spring 18 is mounted. In exemplary embodiments not shown, the support element can be displaced linearly transversely to the driving direction, while the pressure sensor is displaced relative to the housing against the driving direction.
Weiterhin umfasst das Stützelement 10 ein Betätigungselement 20 für ein manuelles Versetzen des Stützelements 10 quer zur Eintreibrichtung 3, mit welchem das Stützelement 10 wieder von dem Werkstück 4 gelöst werden kann, beispielsweise nach einem erfolgten Eintreibvorgang. Die Erfindung wurde anhand mehrerer Ausführungsbeispiele einer Eintreibvorrichtung für Befestigungselemente beschrieben. Es versteht sich, dass sich sämtliche Merkmale der einzelnen Ausführungsbeispiele auch in einer einzigen Vorrichtung in beliebiger Kombination verwirklichen lassen, sofern sie sich nicht gegenseitig widersprechen. Es wird auch darauf hingewiesen, dass die Erfindung auch für andere Anwendungen geeignet ist, insbesondere für Schraubgeräte und dergleichen. Furthermore, the support element 10 comprises an actuating element 20 for manually displacing the support element 10 transversely to the driving-in direction 3, with which the supporting element 10 can be released again from the workpiece 4, for example after a driving-in process has taken place. The invention has been described using several exemplary embodiments of a driving-in device for fastening elements. It goes without saying that all the features of the individual exemplary embodiments can also be implemented in any combination in a single device, provided that they do not contradict one another. It is also pointed out that the invention is also suitable for other applications, in particular for screwing devices and the like.

Claims

PATENTANSPRUECHE PATENT CLAIMS
1. Vorrichtung zum Eintreiben von Befestigungselementen in einer Eintreibrichtung in ein Werkstück, umfassend ein Gehäuse, einen Anpressfühler, welcher in der Eintreibrichtung an das Werkstück anpressbar und dadurch relativ zu dem Gehäuse entgegen der Eintreibrichtung versetzbar ist, und ein Stützelement, welches das Werkstück entgegen der Eintreibrichtung abstützt, während ein Befestigungselement in das Werkstück eingetrieben wird, dadurch gekennzeichnet, dass das Stützelement relativ zu dem Anpressfühler quer zur Eintreibrichtung versetzbar ist, während der Anpressfühler relativ zu dem Gehäuse entgegen der Eintreibrichtung versetzt wird. 1.Device for driving fasteners in a driving direction into a workpiece, comprising a housing, a pressure sensor, which can be pressed against the workpiece in the driving direction and thereby displaced relative to the housing against the driving direction, and a support element which opposes the workpiece Driving direction supports while a fastener is driven into the workpiece, characterized in that the support element is displaceable relative to the pressure sensor transversely to the driving direction, while the pressure sensor is displaced relative to the housing against the driving direction.
2. Vorrichtung nach Anspruch 1 , weiterhin umfassend ein Eintreibelement und einen in dem Gehäuse aufgenommenen Antrieb, welcher das Eintreibelement auf ein Befestigungselement zu antreibt, um das Befestigungselement in das Werkstück einzutreiben. 2. The apparatus of claim 1, further comprising a drive-in element and a drive accommodated in the housing, which drives the drive-in element on a fastening element in order to drive the fastening element into the workpiece.
3. Vorrichtung nach einem der vorhergehenden Ansprüche, wobei der Anpressfühler relativ zu dem Gehäuse entgegen der Eintreibrichtung bis zu einer Anpressposition versetzbar ist, und wobei der Anpressfühler einen Eintreibvorgang freigibt, wenn sich der Anpressfühler in der Anpressposition befindet, und den Eintreibvorgang sperrt, wenn sich der Anpressfühler ausserhalb der Anpressposition befindet. 3. Device according to one of the preceding claims, wherein the pressure sensor is displaceable relative to the housing against the driving direction up to a pressing position, and wherein the pressing sensor enables a driving operation when the pressure sensor is in the pressing position and blocks the driving process when the contact probe is outside the contact position.
4. Vorrichtung nach einem der vorhergehenden Ansprüche, wobei der Anpressfühler einen Führungskanal aufweist, in welchem ein Befestigungselement geführt ist, während das Befestigungselement in das Werkstück eingetrieben wird. 4. Device according to one of the preceding claims, wherein the pressure sensor has a guide channel in which a fastening element is guided, while the fastening element is driven into the workpiece.
5. Vorrichtung nach einem der vorhergehenden Ansprüche, wobei das Stützelement relativ zu dem Anpressfühler senkrecht zur Eintreibrichtung versetzbar ist, während der Anpressfühler relativ zu dem Gehäuse entgegen der Eintreibrichtung versetzt wird. 5. Device according to one of the preceding claims, wherein the support element is displaceable relative to the pressure sensor perpendicular to the driving direction, while the pressure sensor is displaced relative to the housing against the driving direction.
6. Vorrichtung nach einem der vorhergehenden Ansprüche, wobei das Stützelement das Werkstück hintergreift, wenn der Anpressfühler an das Werkstück angepresst ist. 6. Device according to one of the preceding claims, wherein the support element engages behind the workpiece when the pressure sensor is pressed onto the workpiece.
7. Vorrichtung nach einem der vorhergehenden Ansprüche, wobei das Stützelement einen entgegen der Eintreibrichtung vorstehenden Vorsprung aufweist, welcher in eine Vertiefung an dem Werkstück eingreift. 7. Device according to one of the preceding claims, wherein the support element has a projection protruding counter to the driving direction, which engages in a recess on the workpiece.
8. Vorrichtung nach einem der vorhergehenden Ansprüche, wobei das Stützelement quer zur Eintreibrichtung linear versetzbar ist, während der Anpressfühler relativ zu dem Gehäuse entgegen der Eintreibrichtung versetzt wird. 8. Device according to one of the preceding claims, wherein the support element is linearly displaceable transversely to the driving direction, while the pressure sensor is displaced relative to the housing against the driving direction.
9. Vorrichtung nach einem der vorhergehenden Ansprüche, wobei das Stützelement quer zur Eintreibrichtung um eine Schwenkachse verschwenkbar ist, während der Anpressfühler relativ zu dem Gehäuse entgegen der Eintreibrichtung versetzt wird. 9. Device according to one of the preceding claims, wherein the support element is pivotable transversely to the driving direction about a pivot axis, while the pressure sensor is offset relative to the housing against the driving direction.
10. Vorrichtung nach Anspruch 9, wobei die Schwenkachse senkrecht zur Eintreibrichtung orientiert ist. 10. The device according to claim 9, wherein the pivot axis is oriented perpendicular to the driving direction.
1 1. Vorrichtung nach einem der Ansprüche 9 bis 10, wobei die Befestigungselemente entlang einer Eintreibachse in das Werkstück eingetrieben werden, und wobei die Schwenkachse die Eintreibachse schneidet. 1 1. Device according to one of claims 9 to 10, wherein the fastening elements are driven into the workpiece along a driving axis, and wherein the pivot axis intersects the driving axis.
12. Vorrichtung nach einem der Ansprüche 9 bis 1 1 , wobei das Stützelement einen Schwenkarm umfasst, welcher um die Schwenkachse drehbar am Gehäuse gelagert ist. 12. The device according to one of claims 9 to 1 1, wherein the support element comprises a pivot arm which is rotatably mounted on the housing about the pivot axis.
13. Vorrichtung nach einem der vorhergehenden Ansprüche, wobei das Stützelement eine zur Eintreibrichtung geneigte Abweisfläche aufweist, welche an das Werkstück anstösst, wenn die Vorrichtung auf das Werkstück zu bewegt wird, und dadurch das Stützelement quer zu der Eintreibrichtung versetzt. 13. Device according to one of the preceding claims, wherein the support element has a deflecting surface inclined to the driving direction, which abuts the workpiece when the device is moved towards the workpiece, and thereby displaces the supporting element transversely to the driving direction.
14. Vorrichtung nach einem der vorhergehenden Ansprüche, wobei das Stützelement ein Betätigungselement für ein manuelles Versetzen des Stützelements quer zur Eintreibrichtung aufweist. 14. Device according to one of the preceding claims, wherein the support element has an actuating element for manual displacement of the support element transversely to the driving direction.
PCT/EP2019/082563 2018-12-12 2019-11-26 Driving-in device WO2020120122A1 (en)

Applications Claiming Priority (2)

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EP18211941.2 2018-12-12
EP18211941.2A EP3666467A1 (en) 2018-12-12 2018-12-12 Driving device

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Citations (3)

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Publication number Priority date Publication date Assignee Title
US6237827B1 (en) * 1998-11-12 2001-05-29 Senco Products, Inc. Stapler and method for the attachment of steel framing
US20150102086A1 (en) * 2013-10-14 2015-04-16 Senco Brands, Inc. Clenching adapter for automatic nailers
US20170297188A1 (en) * 2016-04-15 2017-10-19 Everwin Pneumatic Corp. Clamping device for a nail gun

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Publication number Priority date Publication date Assignee Title
US10611009B2 (en) * 2017-06-13 2020-04-07 Everwin Pneumatic Corporation Nail gun structure

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6237827B1 (en) * 1998-11-12 2001-05-29 Senco Products, Inc. Stapler and method for the attachment of steel framing
US20150102086A1 (en) * 2013-10-14 2015-04-16 Senco Brands, Inc. Clenching adapter for automatic nailers
US20170297188A1 (en) * 2016-04-15 2017-10-19 Everwin Pneumatic Corp. Clamping device for a nail gun

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