EP3898111A1 - Driving-in device - Google Patents

Driving-in device

Info

Publication number
EP3898111A1
EP3898111A1 EP19808838.7A EP19808838A EP3898111A1 EP 3898111 A1 EP3898111 A1 EP 3898111A1 EP 19808838 A EP19808838 A EP 19808838A EP 3898111 A1 EP3898111 A1 EP 3898111A1
Authority
EP
European Patent Office
Prior art keywords
driving
fastening element
magazine
receptacle
slot
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19808838.7A
Other languages
German (de)
French (fr)
Other versions
EP3898111B1 (en
Inventor
Dominik Schmidt
Ajinkya Hemant DANGE
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 EP3898111A1 publication Critical patent/EP3898111A1/en
Application granted granted Critical
Publication of EP3898111B1 publication Critical patent/EP3898111B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • B25C1/001—Nail feeding 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
    • B25C1/008—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
    • B25C1/04—Hand-held nailing tools; Nail feeding devices operated by fluid pressure, e.g. by air pressure
    • B25C1/047—Mechanical details
    • 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

Definitions

  • the invention relates to a device for driving a fastener in a driving direction into a substrate.
  • Fastening element from which the fastening element is driven into the ground, and a magazine for feeding fastening elements in a transport direction to the receptacle. If such a device is used in a dusty environment, for example on a construction site, there is a risk that dust will enter the magazine and impair the supply of the fastening elements to the receptacle.
  • the object of the invention is to provide a device for driving a fastening element into an underground, in which a transport of the fastening element within the device is improved.
  • the object is achieved in a device for driving a fastening element in a driving direction into a substrate, with a receptacle for the fastening element, from which the fastening element is driven into the substrate, with a Magazine for feeding fasteners in a transport direction to the receptacle, the magazine having a slot on its side pointing in the driving direction, which runs in the transport direction, and with a dust deflector which covers the slot.
  • the dust deflector has a brush seal.
  • the brush seal preferably comprises a plurality of bristles, each of which protrudes from the magazine in a bristle direction, the transport direction and the bristle direction enclosing an acute angle.
  • the bristle direction is particularly preferably inclined with respect to the driving-in direction.
  • An advantageous embodiment is characterized in that the device has a guide channel for the fastening element during driving into the ground.
  • the device comprises a setting piston which can be driven from the starting position, in which the setting piston is at rest, to the recording for the transmission of energy to the fastening element arranged in the recording.
  • the device preferably comprises a drive device for driving the setting piston towards the fastening element, and a trigger, the actuation of which triggers the driving of the piston towards the fastening element.
  • the device comprises a pressing device for querying whether the working device is pressed against a surface, the pressing device being in a pressing position when the working device is pressed against a surface.
  • the pressing device preferably permits the piston to be driven onto the fastening element only in the pressing position.
  • An advantageous embodiment is characterized in that the device comprises a feed device for transporting the fastening element from the magazine into the receptacle.
  • An advantageous embodiment is characterized in that the magazine is provided for the transport of fastening elements which extend through the slot.
  • the fastening elements preferably protrude beyond the dust deflector in the driving direction.
  • FIG. 2 shows the driving device from FIG. 1 with the housing open
  • FIG. 3 shows a detail of a driving-in device with a dust deflector
  • FIG. 5 shows a further section of the driving device from FIG. 3 and a rail
  • FIG. 6 shows a detail of a driving-in device with a dust deflector and FIG. 7 schematically shows a dust deflector.
  • the driving device 10 for driving a fastening element, for example a nail or bolt, in a driving direction 740 into a substrate.
  • the driving 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 drive device (also not shown) for conveying the energy transmission element are accommodated.
  • the driving-in device 10 also has a handle 30, a magazine 40 and a bridge 50 connecting the handle 30 to the magazine 40.
  • a scaffold hook 60 for suspending the driving device 10 on a scaffold or the like and an electrical energy store designed as an electrical accumulator 590 are fastened to the bridge 50.
  • a trigger 34 and a handle sensor designed as a manual switch 35 are arranged on the handle 30.
  • the driving-in device 10 has a guide channel 700 for guiding the fastening element, a receptacle 710 (FIG. 2) for the fastening element, from which the fastening element is driven into the ground, and one Pressing device 750 for recognizing a distance of the driving-in device 10 from a substrate (not shown).
  • the pressing device 750 is in a pressing position when the driving device 10 is pressed against a surface. Only then does it allow the driving element to be driven towards the fastening element. Alignment of the driving device perpendicular to a surface is supported by an alignment aid 45.
  • the magazine 40 is used to feed fastening elements in a transport direction 41 to the receptacle 710.
  • a feed device is preferably arranged in the magazine 40 for this purpose.
  • the magazine 40 has a slot (not visible in FIGS. 1 and 2) which runs in the transport direction 41 and which is covered by a dust deflector 720 designed as a brush seal.
  • the dust deflector 720 comprises a multiplicity of bristles, which each protrude from the magazine 40 in a bristle direction 721.
  • the transport direction 41 and the bristle direction 721 form an acute angle, the bristle direction 721 is also inclined with respect to the driving-in direction 740.
  • FIG. 2 shows the driving-in device 10 with the housing 20 open.
  • a drive device 70 for conveying the energy transmission element 730 designed as a setting piston is accommodated in the housing 20.
  • the setting piston 730 can be driven from the starting position, in which the setting piston 730 is at rest, to the mounting 710 to transmit energy to the fastening element arranged in the mounting 710.
  • the drive device 70 comprises an electric motor (not shown) for converting electrical energy from the rechargeable battery 590 into rotational energy, a torque transmission device comprising a transmission 400 for transmitting a torque of the electric motor to a motion converter designed as a spindle drive 300, and a force transmission device comprising a roller train 260 for transmitting a force from the motion converter to a mechanical energy store designed as a spring 200 and for transmitting a force from the spring 200 to the energy transmission element.
  • a torque transmission device comprising a transmission 400 for transmitting a torque of the electric motor to a motion converter designed as a spindle drive 300
  • a force transmission device comprising a roller train 260 for transmitting a force from the motion converter to a mechanical energy store designed as a spring 200 and for transmitting a force from the spring 200 to the energy transmission element.
  • the magazine is provided for the transport of fastening elements which extend through the slot. The fastening elements preferably protrude beyond the dust deflector in the driving direction.
  • the driving-in device 310 comprises a receptacle for a fastening element, which is hidden by a guide channel 315 in FIGS. 3, 4 and 5, from which the fastening element is in one Driving direction 330 is driven into an underground. Furthermore, the driving-in device 310 comprises a magazine 340 for feeding fastening elements 345 in a transport direction 350 to the receptacle, the magazine 340 having a slot 360 on its side pointing in the driving-in direction 330, which runs in the transport direction 350.
  • the driving device 310 includes the dust deflector 320, which covers the slot 360.
  • the dust deflector 320 comprises a brush seal with a plurality of bristles 375, which each protrude from the magazine 340 in a bristle direction 380.
  • the transport direction 350 and the bristle direction 380 enclose an acute angle
  • the bristle direction 380 is additionally inclined with respect to the driving-in direction 310. This reduces frictional forces that may occur between the fastening elements 345 and the bristles 375 during nail transport in the magazine 340.
  • the fasteners 345 extend through the slot 360.
  • FIG. 5 shows the driving device 310 in use in a rail 390 which is fastened with the fastening elements 345.
  • the guide channel 315 dips into the rail 390.
  • the bristles 375 evade the rail 390 due to their flexibility, so that the accessibility of the driving device 310 is not impaired by the dust deflector 320.
  • the driving-in device 410 comprises a receptacle for a fastening element, which is hidden by a guide channel 415 in FIGS. 3, 4 and 5, from which the fastening element in a driving-in direction 430 is driven into an underground.
  • the driving device 410 further comprises a magazine 440 for feeding fastening elements 445 in a transport direction 450 to the receptacle, the magazine 440 having a slot 460 on its side pointing in the driving direction 430 which runs in the transport direction 450.
  • the driving-in device 410 comprises a dust deflector 470, which covers the slot 460.
  • the dust deflector 470 comprises a brush seal with a plurality of bristles 475, which each protrude from the magazine 440 in a bristle direction 480.
  • the transport direction 450 and the bristle direction 480 form an acute angle
  • the bristle direction 480 is additionally inclined with respect to the driving-in direction 410. This reduces frictional forces that may occur between the fastening elements 445 and the bristles 475 during nail transport in the magazine 440.
  • the fastening elements 445 extend through the slot 460 and between two rows of bristles of the dust deflector 420 because the fastening elements 445 protrude beyond the dust deflector 420 in the driving-in direction 430.

Abstract

The invention relates to a device for driving a fastening element into a substrate in a driving-in direction, having a receptacle for the fastening element, from which the fastening element is driven into the substrate, having a magazine for feeding fastening elements to the receptacle in a transport direction, wherein the magazine has, on the side thereof pointing in the driving-in direction, a slot which extends in the transport direction, and having a dust deflector, which covers the slot.

Description

Eintreibvorrichtung Driving device
Technisches Gebiet Technical field
Die Erfindung betrifft eine Vorrichtung zum Eintreiben eines Befestigungselements in einer Eintreibrichtung in einen Untergrund. The invention relates to a device for driving a fastener in a driving direction into a substrate.
Stand der Technik Derartige Vorrichtungen umfassen üblicherweise eine Aufnahme für dasPRIOR ART Such devices usually comprise a receptacle for the
Befestigungselement, von welcher aus das Befestigungselement in den Untergrund eingetrieben wird, und ein Magazin für eine Zuführung von Befestigungselementen in einer Transportrichtung zu der Aufnahme. Wird eine derartige Vorrichtung in einer staubreichen Umgebung, beispielsweise auf einer Baustelle eingesetzt, besteht die Gefahr, dass Staub in das Magazin eintritt und die Zuführung der Befestigungselemente zu der Aufnahme beeinträchtigt. Fastening element, from which the fastening element is driven into the ground, and a magazine for feeding fastening elements in a transport direction to the receptacle. If such a device is used in a dusty environment, for example on a construction site, there is a risk that dust will enter the magazine and impair the supply of the fastening elements to the receptacle.
Aufgabe der Erfindung ist es, eine Vorrichtung zum Eintreiben eines Befestigungselements in einen Untergrund zur Verfügung zu stellen, bei der ein Transport des Befestigungselements innerhalb der Vorrichtung verbessert ist. The object of the invention is to provide a device for driving a fastening element into an underground, in which a transport of the fastening element within the device is improved.
Darstellung der Erfindung Presentation of the invention
Die Aufgabe ist gelöst bei einer Vorrichtung zum Eintreiben eines Befestigungselements in einer Eintreibrichtung in einen Untergrund, mit einer Aufnahme für das Befestigungselement, von welcher aus das Befestigungselement in den Untergrund eingetrieben wird, mit einem Magazin für eine Zuführung von Befestigungselementen in einer Transportrichtung zu der Aufnahme, wobei das Magazin auf seiner in die Eintreibrichtung weisenden Seite einen Schlitz aufweist, welcher in der Transportrichtung verläuft, und mit einem Staubabweiser, welcher den Schlitz bedeckt. The object is achieved in a device for driving a fastening element in a driving direction into a substrate, with a receptacle for the fastening element, from which the fastening element is driven into the substrate, with a Magazine for feeding fasteners in a transport direction to the receptacle, the magazine having a slot on its side pointing in the driving direction, which runs in the transport direction, and with a dust deflector which covers the slot.
Eine vorteilhafte Ausführungsform ist dadurch gekennzeichnet, dass der Staubabweiser eine Bürstendichtung. Bevorzugt umfasst die Bürstendichtung eine Vielzahl von Borsten, welche jeweils in einer Borstenrichtung von dem Magazin abragen, wobei die Transportrichtung und die Borstenrichtung einen spitzen Winkel einschliessen. Besonders bevorzugt ist die Borstenrichtung gegenüber der Eintreibrichtung geneigt. An advantageous embodiment is characterized in that the dust deflector has a brush seal. The brush seal preferably comprises a plurality of bristles, each of which protrudes from the magazine in a bristle direction, the transport direction and the bristle direction enclosing an acute angle. The bristle direction is particularly preferably inclined with respect to the driving-in direction.
Eine vorteilhafte Ausführungsform ist dadurch gekennzeichnet, dass die Vorrichtung einen Führungskanal für das Befestigungselement während des Eintreibens in den Untergrund aufweist. An advantageous embodiment is characterized in that the device has a guide channel for the fastening element during driving into the ground.
Eine vorteilhafte Ausführungsform ist dadurch gekennzeichnet, dass die Vorrichtung einen Setzkolben umfasst, welcher zur Übertragung von Energie auf das in der Aufnahme angeordnete Befestigungselement von einer Ausgangsstellung, in der der Setzkolben in Ruhe ist, auf die Aufnahme zu antreibbar ist. Bevorzugt umfasst die Vorrichtung eine Antriebseinrichtung zum Antreiben des Setzkolbens auf das Befestigungselement zu, und einen Auslöser, dessen Betätigung das Antreiben des Kolbens auf das Befestigungselement zu auslöst. An advantageous embodiment is characterized in that the device comprises a setting piston which can be driven from the starting position, in which the setting piston is at rest, to the recording for the transmission of energy to the fastening element arranged in the recording. The device preferably comprises a drive device for driving the setting piston towards the fastening element, and a trigger, the actuation of which triggers the driving of the piston towards the fastening element.
Eine vorteilhafte Ausführungsform ist dadurch gekennzeichnet, dass die Vorrichtung eine Anpresseinrichtung zum Abfragen, ob das Arbeitsgerät an einen Untergrund angepresst ist, umfasst, wobei sich die Anpresseinrichtung in einer Anpressstellung befindet, wenn das Arbeitsgerät an einen Untergrund angepresst ist. Bevorzugt lässt die Anpresseinrichtung das Antreiben des Kolbens auf das Befestigungselement zu nur in der Anpressstellung zu. An advantageous embodiment is characterized in that the device comprises a pressing device for querying whether the working device is pressed against a surface, the pressing device being in a pressing position when the working device is pressed against a surface. The pressing device preferably permits the piston to be driven onto the fastening element only in the pressing position.
Eine vorteilhafte Ausführungsform ist dadurch gekennzeichnet, dass die Vorrichtung eine Vorschubeinrichtung zum Transport des Befestigungselements von dem Magazin in die Aufnahme umfasst. An advantageous embodiment is characterized in that the device comprises a feed device for transporting the fastening element from the magazine into the receptacle.
Eine vorteilhafte Ausführungsform ist dadurch gekennzeichnet, dass das Magazin für einen Transport von Befestigungselementen vorgesehen ist, welche sich durch den Schlitz hindurch erstrecken. Bevorzugt überragen die Befestigungselemente den Staubabweiser in der Eintreibrichtung. Ausführungsbeispiele An advantageous embodiment is characterized in that the magazine is provided for the transport of fastening elements which extend through the slot. The fastening elements preferably protrude beyond the dust deflector in the driving direction. Embodiments
Die Erfindung wird nachstehend anhand von Ausführungsbeispielen unter Bezugnahme auf die Zeichnungen näher erläutert. Es zeigen: The invention is explained in more detail below using exemplary embodiments with reference to the drawings. Show it:
Fig.1 eine Eintreibvorrichtung in einer Seitenansicht, 1 shows a driving device in a side view,
Fig. 2 die Eintreibvorrichtung aus Fig. 1 mit geöffnetem Gehäuse, 2 shows the driving device from FIG. 1 with the housing open,
Fig. 3 einen Ausschnitt einer Eintreibvorrichtung mit einem Staubabweiser, 3 shows a detail of a driving-in device with a dust deflector,
Fig. 4 schematisch einen Staubabweiser, 4 schematically shows a dust deflector,
Fig. 5 einen weiteren Ausschnitt der Eintreibvorrichtung aus Fig. 3 und eine Schiene, 5 shows a further section of the driving device from FIG. 3 and a rail,
Fig. 6 einen Ausschnitt einer Eintreibvorrichtung mit einem Staubabweiser und Fig. 7 schematisch einen Staubabweiser. 6 shows a detail of a driving-in device with a dust deflector and FIG. 7 schematically shows a dust deflector.
Fig. 1 zeigt eine Eintreibvorrichtung 10 zum Eintreiben eines Befestigungselements, beispielsweise eines Nagels oder Bolzens, in einer Eintreibrichtung 740 in einen Untergrund in einer Seitenansicht. Die Eintreibvorrichtung 10 weist ein nicht dargestelltes Energieübertragungselement zur Übertragung von Energie auf das Befestigungselement sowie ein Gehäuse 20 auf, in welchem das Energieübertragungselement und eine ebenfalls nicht dargestellte Antriebseinrichtung zur Beförderung des Energieübertragungselementes aufgenommen sind. 1 shows a side view of a driving device 10 for driving a fastening element, for example a nail or bolt, in a driving direction 740 into a substrate. The driving 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 drive device (also not shown) for conveying the energy transmission element are accommodated.
Die Eintreibvorrichtung 10 weist ferner einen Griff 30, ein Magazin 40 und eine den Griff 30 mit dem Magazin 40 verbindende Brücke 50 auf. An der Brücke 50 sind ein Gerüsthaken 60 zur Aufhängung der Eintreibvorrichtung 10 an einem Gerüst oder dergleichen und ein als elektrischer Akku 590 ausgebildeter elektrischer Energiespeicher befestigt. An dem Griff 30 sind ein Abzug 34 sowie ein als Handschalter 35 ausgebildeter Grifffühler angeordnet. Weiterhin weist die Eintreibvorrichtung 10 einen Führungskanal 700 für eine Führung des Befestigungselements, eine Aufnahme 710 (Fig. 2) für das Befestigungselement, von welcher aus das Befestigungselement in den Untergrund eingetrieben wird, und eine Anpresseinrichtung 750 zur Erkennung eines Abstandes der Eintreibvorrichtung 10 von einem nicht dargestellten Untergrund auf. Die Anpresseinrichtung 750 befindet sich in einer Anpressstellung, wenn die Eintreibvorrichtung 10 an einen Untergrund angepresst ist. Nur dann erlaubt sie das Antreiben des Eintreibelements auf das Befestigungselement zu. Ein Ausrichten der Eintreibvorrichtung senkrecht zu einem Untergrund wird durch eine Ausrichthilfe 45 unterstützt. The driving-in device 10 also has a handle 30, a magazine 40 and a bridge 50 connecting the handle 30 to the magazine 40. A scaffold hook 60 for suspending the driving device 10 on a scaffold or the like and an electrical energy store designed as an electrical accumulator 590 are fastened to the bridge 50. A trigger 34 and a handle sensor designed as a manual switch 35 are arranged on the handle 30. Furthermore, the driving-in device 10 has a guide channel 700 for guiding the fastening element, a receptacle 710 (FIG. 2) for the fastening element, from which the fastening element is driven into the ground, and one Pressing device 750 for recognizing a distance of the driving-in device 10 from a substrate (not shown). The pressing device 750 is in a pressing position when the driving device 10 is pressed against a surface. Only then does it allow the driving element to be driven towards the fastening element. Alignment of the driving device perpendicular to a surface is supported by an alignment aid 45.
Das Magazin 40 dient einer Zuführung von Befestigungselementen in einer Transportrichtung 41 zu der Aufnahme 710. Bevorzugt ist dazu eine Vorschubeinrichtung in dem Magazin 40 angeordnet. Das Magazin 40 weist einen in Fig. 1 und 2 nicht sichtbaren, in der Transportrichtung 41 verlaufenden Schlitz auf, welcher von einem als Bürstendichtung ausgebildeten Staubabweiser 720 bedeckt ist. Hierzu umfasst der Staubabweiser 720 eine Vielzahl von Borsten, welche jeweils in einer Borstenrichtung 721 von dem Magazin 40 abragen. Die Transportrichtung 41 und die Borstenrichtung 721 schliessen dabei einen spitzen Winkel ein, die Borstenrichtung 721 ist darüber hinaus gegenüber der Eintreibrichtung 740 geneigt. The magazine 40 is used to feed fastening elements in a transport direction 41 to the receptacle 710. A feed device is preferably arranged in the magazine 40 for this purpose. The magazine 40 has a slot (not visible in FIGS. 1 and 2) which runs in the transport direction 41 and which is covered by a dust deflector 720 designed as a brush seal. For this purpose, the dust deflector 720 comprises a multiplicity of bristles, which each protrude from the magazine 40 in a bristle direction 721. The transport direction 41 and the bristle direction 721 form an acute angle, the bristle direction 721 is also inclined with respect to the driving-in direction 740.
Fig. 2 zeigt die Eintreibvorrichtung 10 mit geöffnetem Gehäuse 20. In dem Gehäuse 20 ist eine Antriebseinrichtung 70 zur Beförderung des als Setzkolben ausgebildeten Energieübertragungselementes 730 aufgenommen. Der Setzkolben 730 ist zur Übertragung von Energie auf das in der Aufnahme 710 angeordnete Befestigungselement von einer Ausgangsstellung, in der der Setzkolben 730 in Ruhe ist, auf die Aufnahme 710 zu antreibbar. Die Antriebseinrichtung 70 umfasst einen nicht dargestellten Elektromotor zur Umwandlung von elektrischer Energie aus dem Akku 590 in Drehenergie, eine ein Getriebe 400 umfassende Drehmomentübertragungseinrichtung zur Übertragung eines Drehmomentes des Elektromotors auf einen als Spindeltrieb 300 ausgebildeten Bewegungsumwandler, eine einen Rollenzug 260 umfassende Kraftübertragungseinrichtung zur Übertragung einer Kraft von dem Bewegungsumwandler auf einen als Feder 200 ausgebildeten mechanischen Energiespeicher und zur Übertragung einer Kraft von der Feder 200 auf das Energieübertragungselement. Eine vorteilhafte Ausführungsform ist dadurch gekennzeichnet, dass das Magazin für einen Transport von Befestigungselementen vorgesehen ist, welche sich durch den Schlitz hindurch erstrecken. Bevorzugt überragen die Befestigungselemente den Staubabweiser in der Eintreibrichtung. FIG. 2 shows the driving-in device 10 with the housing 20 open. A drive device 70 for conveying the energy transmission element 730 designed as a setting piston is accommodated in the housing 20. The setting piston 730 can be driven from the starting position, in which the setting piston 730 is at rest, to the mounting 710 to transmit energy to the fastening element arranged in the mounting 710. The drive device 70 comprises an electric motor (not shown) for converting electrical energy from the rechargeable battery 590 into rotational energy, a torque transmission device comprising a transmission 400 for transmitting a torque of the electric motor to a motion converter designed as a spindle drive 300, and a force transmission device comprising a roller train 260 for transmitting a force from the motion converter to a mechanical energy store designed as a spring 200 and for transmitting a force from the spring 200 to the energy transmission element. An advantageous embodiment is characterized in that the magazine is provided for the transport of fastening elements which extend through the slot. The fastening elements preferably protrude beyond the dust deflector in the driving direction.
Die Fig. 3, 4 und 5 zeigen einen Ausschnitt einer Eintreibvorrichtung 310 mit einem Staubabweiser 320. Die Eintreibvorrichtung 310 umfasst eine in den Fig. 3, 4 und 5 von einem Führungskanal 315 verdeckte Aufnahme für ein Befestigungselement, von welcher aus das Befestigungselement in einer Eintreibrichtung 330 in einen Untergrund eingetrieben wird. Weiterhin umfasst die Eintreibvorrichtung 310 ein Magazin 340 für eine Zuführung von Befestigungselementen 345 in einer Transportrichtung 350 zu der Aufnahme, wobei das Magazin 340 auf seiner in die Eintreibrichtung 330 weisenden Seite einen Schlitz 360 aufweist, welcher in der Transportrichtung 350 verläuft. 3, 4 and 5 show a section of a driving-in device 310 with a dust deflector 320. The driving-in device 310 comprises a receptacle for a fastening element, which is hidden by a guide channel 315 in FIGS. 3, 4 and 5, from which the fastening element is in one Driving direction 330 is driven into an underground. Furthermore, the driving-in device 310 comprises a magazine 340 for feeding fastening elements 345 in a transport direction 350 to the receptacle, the magazine 340 having a slot 360 on its side pointing in the driving-in direction 330, which runs in the transport direction 350.
Ausserdem umfasst die Eintreibvorrichtung 310 den Staubabweiser 320, welcher den Schlitz 360 bedeckt. Der Staubabweiser 320 umfasst eine Bürstendichtung mit einer Vielzahl von Borsten 375, welche jeweils in einer Borstenrichtung 380 von dem Magazin 340 abragen. Einerseits schliessen die Transportrichtung 350 und die Borstenrichtung 380 einen spitzen Winkel ein, andererseits ist die Borstenrichtung 380 zusätzlich gegenüber der Eintreibrichtung 310 geneigt. Dadurch sind Reibungskräfte, die möglicherweise während eines Nageltransports in dem Magazin 340 zwischen den Befestigungselementen 345 und den Borsten 375 auftreten, reduziert. In dem gezeigten Beispiel erstrecken sich die Befestigungselemente 345 durch den Schlitz 360 hindurch. In addition, the driving device 310 includes the dust deflector 320, which covers the slot 360. The dust deflector 320 comprises a brush seal with a plurality of bristles 375, which each protrude from the magazine 340 in a bristle direction 380. On the one hand, the transport direction 350 and the bristle direction 380 enclose an acute angle, on the other hand the bristle direction 380 is additionally inclined with respect to the driving-in direction 310. This reduces frictional forces that may occur between the fastening elements 345 and the bristles 375 during nail transport in the magazine 340. In the example shown, the fasteners 345 extend through the slot 360.
Fig. 5 zeigt die Eintreibvorrichtung 310 im Einsatz in einer Schiene 390, welche mit den Befestigungselementen 345 befestigt wird. Hierzu taucht der Führungskanal 315 in die Schiene 390 ein. Die Borsten 375 weichen dabei aufgrund ihrer Flexibilität der Schiene 390 aus, so dass die Zugänglichkeit der Eintreibvorrichtung 310 durch den Staubabweiser 320 nicht beeinträchtigt ist. FIG. 5 shows the driving device 310 in use in a rail 390 which is fastened with the fastening elements 345. For this purpose, the guide channel 315 dips into the rail 390. The bristles 375 evade the rail 390 due to their flexibility, so that the accessibility of the driving device 310 is not impaired by the dust deflector 320.
Die Fig. 6 und 7 zeigen einen Ausschnitt einer Eintreibvorrichtung 410 mit einem Staubabweiser 420. Die Eintreibvorrichtung 410 umfasst eine in den Fig. 3, 4 und 5 von einem Führungskanal 415 verdeckte Aufnahme für ein Befestigungselement, von welcher aus das Befestigungselement in einer Eintreibrichtung 430 in einen Untergrund eingetrieben wird. Weiterhin umfasst die Eintreibvorrichtung 410 ein Magazin 440 für eine Zuführung von Befestigungselementen 445 in einer Transportrichtung 450 zu der Aufnahme, wobei das Magazin 440 auf seiner in die Eintreibrichtung 430 weisenden Seite einen Schlitz 460 aufweist, welcher in der Transportrichtung 450 verläuft. 6 and 7 show a section of a driving-in device 410 with a dust deflector 420. The driving-in device 410 comprises a receptacle for a fastening element, which is hidden by a guide channel 415 in FIGS. 3, 4 and 5, from which the fastening element in a driving-in direction 430 is driven into an underground. The driving device 410 further comprises a magazine 440 for feeding fastening elements 445 in a transport direction 450 to the receptacle, the magazine 440 having a slot 460 on its side pointing in the driving direction 430 which runs in the transport direction 450.
Ausserdem umfasst die Eintreibvorrichtung 410 einen Staubabweiser 470, welcher den Schlitz 460 bedeckt. Der Staubabweiser 470 umfasst eine Bürstendichtung mit einer Vielzahl von Borsten 475, welche jeweils in einer Borstenrichtung 480 von dem Magazin 440 abragen. Einerseits schliessen die Transportrichtung 450 und die Borstenrichtung 480 einen spitzen Winkel ein, andererseits ist die Borstenrichtung 480 zusätzlich gegenüber der Eintreibrichtung 410 geneigt. Dadurch sind Reibungskräfte, die möglicherweise während eines Nageltransports in dem Magazin 440 zwischen den Befestigungselementen 445 und den Borsten 475 auftreten reduziert. In dem gezeigten Beispiel erstrecken sich die Befestigungselemente 445 durch den Schlitz 460 und zwischen zwei Borstenreihen des Staubabweisers 420 hindurch, weil die Befestigungselemente 445 den Staubabweiser 420 in der Eintreibrichtung 430 überragen. In addition, the driving-in device 410 comprises a dust deflector 470, which covers the slot 460. The dust deflector 470 comprises a brush seal with a plurality of bristles 475, which each protrude from the magazine 440 in a bristle direction 480. On the one hand, the transport direction 450 and the bristle direction 480 form an acute angle, on the other hand the bristle direction 480 is additionally inclined with respect to the driving-in direction 410. This reduces frictional forces that may occur between the fastening elements 445 and the bristles 475 during nail transport in the magazine 440. In the example shown, the fastening elements 445 extend through the slot 460 and between two rows of bristles of the dust deflector 420 because the fastening elements 445 protrude beyond the dust deflector 420 in the driving-in direction 430.
Vorstehend wurde die Erfindung anhand mehrerer Ausführungsbeispiele einer Eintreibvorrichtung erläutert. Die beschriebenen Merkmale sind dabei von jedem Ausführungsbeispiel auf alle anderen Ausführungsbeispiele einzeln oder in Kombination übertragbar, so lange sie sich nicht widersprechen. Es wird darauf hingewiesen, dass die erfindungsgemässe Vorrichtung auf für andere Zwecke einsetzbar ist. The invention was explained above using several exemplary embodiments of a driving-in device. The described features can be transferred from each exemplary embodiment to all other exemplary embodiments individually or in combination, as long as they do not contradict each other. It is pointed out that the device according to the invention can also be used for other purposes.

Claims

PATENTANSPRÜCHE PATENT CLAIMS
1. Vorrichtung zum Eintreiben eines Befestigungselements in einer Eintreibrichtung in einen Untergrund, mit einer Aufnahme für das Befestigungselement, von welcher aus das Befestigungselement in den Untergrund eingetrieben wird, mit einem Magazin für eine Zuführung von Befestigungselementen in einer Transportrichtung zu der Aufnahme, wobei das Magazin auf seiner in die Eintreibrichtung weisenden Seite einen Schlitz aufweist, welcher in der Transportrichtung verläuft, und mit einem Staubabweiser, welcher den Schlitz bedeckt. 1.Device for driving a fastener in a driving direction into a surface, with a receptacle for the fastening element, from which the fastening element is driven into the ground, with a magazine for feeding fasteners in a transport direction to the receptacle, the magazine has on its side pointing in the direction of driving a slot which runs in the transport direction, and with a dust deflector which covers the slot.
2. Vorrichtung nach Anspruch 1 , wobei der Staubabweiser eine Bürstendichtung umfasst. 2. The apparatus of claim 1, wherein the dust deflector comprises a brush seal.
3. Vorrichtung nach Anspruch 2, wobei die Bürstendichtung eine Vielzahl von Borsten umfasst, welche jeweils in einer Borstenrichtung von dem Magazin abragen, und wobei die Transportrichtung und die Borstenrichtung einen spitzen Winkel einschliessen. 3. The apparatus of claim 2, wherein the brush seal comprises a plurality of bristles, each of which protrude from the magazine in a bristle direction, and wherein the transport direction and the bristle direction form an acute angle.
4. Vorrichtung nach Anspruch 3, wobei die Borstenrichtung gegenüber der Eintreibrichtung geneigt ist. 4. The device according to claim 3, wherein the bristle direction is inclined relative to the driving direction.
5. Vorrichtung nach einem der vorhergehenden Ansprüche, weiterhin aufweisend einen Führungskanal für das Befestigungselement während des Eintreibens in den Untergrund. 5. Device according to one of the preceding claims, further comprising a guide channel for the fastener during driving into the ground.
6. Vorrichtung nach einem der vorhergehenden Ansprüche, mit einem Setzkolben, welcher zur Übertragung von Energie auf das in der Aufnahme angeordnete Befestigungselement von einer Ausgangsstellung, in der der Setzkolben in Ruhe ist, auf das Befestigungselement zu antreibbar ist. 6. Device according to one of the preceding claims, with a setting piston which can be driven to the fastening element for transmitting energy to the fastening element arranged in the receptacle from an initial position in which the setting piston is at rest.
7. Vorrichtung nach Anspruch 6, umfassend eine Antriebseinrichtung zum Antreiben des Setzkolbens auf das Befestigungselement zu, und einen Auslöser, dessen Betätigung das Antreiben des Kolbens auf das Befestigungselement zu auslöst. 7. The device according to claim 6, comprising a drive device for driving the setting piston towards the fastening element, and a trigger, the actuation of which triggers the driving of the piston towards the fastening element.
8. Vorrichtung nach einem der vorhergehenden Ansprüche, umfassend eine Anpresseinrichtung zum Abfragen, ob das Arbeitsgerät an einen Untergrund angepresst ist, wobei sich die Anpresseinrichtung in einer Anpressstellung befindet, wenn das Arbeitsgerät an einen Untergrund angepresst ist. 8. Device according to one of the preceding claims, comprising a pressing device for querying whether the working device is pressed against a substrate, the pressing device being in a pressing position when the working device is pressed against a substrate.
9. Vorrichtung nach Anspruch 8, wobei die Anpresseinrichtung das Antreiben des Kolbens auf das Befestigungselement zu nur in der Anpressstellung zulässt. 9. The device according to claim 8, wherein the pressing device allows the piston to be driven onto the fastening element only in the pressing position.
10. Vorrichtung nach einem der vorhergehenden Ansprüche, umfassend eine Vorschubeinrichtung zum Transport des Befestigungselements von dem Magazin in die Aufnahme. 10. Device according to one of the preceding claims, comprising a feed device for transporting the fastening element from the magazine into the receptacle.
1 1. Vorrichtung nach einem der vorhergehenden Ansprüche, wobei das Magazin für einen Transport von Befestigungselementen vorgesehen ist, welche sich durch den Schlitz hindurch erstrecken. 1 1. Device according to one of the preceding claims, wherein the magazine is provided for a transport of fasteners which extend through the slot.
12. Vorrichtung nach Anspruch 1 1 , wobei die Befestigungselemente den Staubabweiser in der Eintreibrichtung überragen. 12. The apparatus of claim 1 1, wherein the fastening elements protrude the dust deflector in the driving direction.
EP19808838.7A 2018-12-20 2019-11-29 Driving device Active EP3898111B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP18214320.6A EP3670087A1 (en) 2018-12-20 2018-12-20 Driving device
PCT/EP2019/083016 WO2020126406A1 (en) 2018-12-20 2019-11-29 Driving-in device

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EP3898111A1 true EP3898111A1 (en) 2021-10-27
EP3898111B1 EP3898111B1 (en) 2022-11-09

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EP19808838.7A Active EP3898111B1 (en) 2018-12-20 2019-11-29 Driving device

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WO2020126406A1 (en) 2020-06-25
EP3670087A1 (en) 2020-06-24
EP3898111B1 (en) 2022-11-09
US20220072689A1 (en) 2022-03-10

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