EP0166303A1 - Fastener driving tool - Google Patents

Fastener driving tool Download PDF

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Publication number
EP0166303A1
EP0166303A1 EP85107223A EP85107223A EP0166303A1 EP 0166303 A1 EP0166303 A1 EP 0166303A1 EP 85107223 A EP85107223 A EP 85107223A EP 85107223 A EP85107223 A EP 85107223A EP 0166303 A1 EP0166303 A1 EP 0166303A1
Authority
EP
European Patent Office
Prior art keywords
chopping knife
fasteners
tether
compressed air
wrapping device
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
EP85107223A
Other languages
German (de)
French (fr)
Other versions
EP0166303B1 (en
Inventor
Werner Maurer
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.)
Karl M Reich Maschinenfabrik GmbH
Original Assignee
Karl M Reich Maschinenfabrik GmbH
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 Karl M Reich Maschinenfabrik GmbH filed Critical Karl M Reich Maschinenfabrik GmbH
Priority to AT85107223T priority Critical patent/ATE38170T1/en
Publication of EP0166303A1 publication Critical patent/EP0166303A1/en
Application granted granted Critical
Publication of EP0166303B1 publication Critical patent/EP0166303B1/en
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25C—HAND-HELD NAILING OR STAPLING TOOLS; MANUALLY OPERATED PORTABLE STAPLING TOOLS
    • B25C1/00—Hand-held nailing tools; Nail feeding devices
    • B25C1/001—Nail feeding devices
    • B25C1/003—Nail feeding devices for belts of nails

Definitions

  • the invention relates to a wrapping device for fasteners according to the preamble of claim 1.
  • Such known wrapping machines are used to drive in fasteners of various types, e.g. Nails, pins, screws, etc., which are connected to at least one holding belt to form a fastener strip and are rolled up from a drum magazine and fed to the discharge channel in the cylinder base.
  • fasteners of various types e.g. Nails, pins, screws, etc.
  • the fastener When driving in, the fastener is separated from the tether and this leaves the cylinder base through an outlet slot. He achieves a certain length so - it can be a hindrance in the operation and handling of the steering device. It is therefore known to provide predetermined breaking points in the holding belt at certain intervals, so that it breaks off after leaving the outlet slot after a certain length.
  • the invention is therefore based on the object to provide a wrapping device of the type mentioned, in which the empty tether can be detached with simple means and reliably.
  • the obstructing tether can be removed quickly without the need for predetermined breaking points and their disadvantages.
  • the supply of the fastener strip and the handling of the wrapping device are thus trouble-free.
  • a compressed air piston connected to it, which in turn can be triggered by a suitable, manually actuated push button valve.
  • a pressure impact piston 2 with impact ram 3 is slidably mounted in a housing 1.
  • a cylinder base 4 is connected to the housing 1, and the fastening means, i.e. e.g. the nail 6 is provided and from there can be driven into a workpiece not shown with the ram 3.
  • the nails 6 are bound by a tether 7 to form a nail strip and are spirally rolled up in a drum magazine 8. From there, they are fed to the discharge channel 5 via a conveyor shaft 9 by means of a conveyor device 10 and made available for the next stroke.
  • a guide sleeve 15 is fastened to the cylinder base 4 in the vicinity of the outlet slot 13 with screws 14, in which a chopping knife 16 is slidably mounted.
  • the cutting edge 17 of chopping knife 16 moves perpendicular to the feed shaft 9 via the outlet slot 13.
  • a compression spring 19 is arranged in a longitudinal bore 18 of the chopping knife 16 and pushes the chopping knife away from the outlet slot 13 in the rest position. It is held in its rest position by a pin 20 connected to it, which engages in a groove 21 of the guide sleeve 15.
  • An actuating pin 22 projects over the outside of the guide sleeve 15, with which the wrapping device thus hits a suitable surface, e.g. can be encountered on the workbench or workpiece that the chopping knife 16 moves in the direction of the conveyor shaft 9 and detaches the empty tether 7.
  • the chopping knife 16 can be connected to a compressed air piston 23 which is displaceably mounted in a compressed air cylinder 25 connected to the guide sleeve 24.
  • Compressed air cylinder 25 is connected via a compressed air line 26 to a tactile valve, not shown, by means of which the chopping knife can be triggered again after manual operation.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Slide Fasteners (AREA)

Abstract

A driving apparatus for fasteners, which receives the fasteners, such as nails, pins, or screws attached to a supply belt, has a cutter for cutting off sections of the supply belt as the latter comes out empty of a belt guide channel in which the fasteners are removed, one by one, from the supply belt. Thus, the empty supply belt can be easily removed and prevented from hindering the operation of the driving apparatus. The cutter may be operated manually or by pressure applied by a piston cylinder.

Description

Die Erfindung betrifft ein Einschlaggerät für Befestigungsmittel gemäß Oberbegriff von Anspruch 1.The invention relates to a wrapping device for fasteners according to the preamble of claim 1.

Solche bekannten Einschlaggeräte dienen zum Einschlagen von Befestigungsmitteln verschiedener Art z.B. Nägeln, Stiften, Schrauben usw., die mit mindestens einem Haltegurt zu einem Befestigungsmittelstreifen verbunden sind und spiralig aufgerollt von einem Trommelmagazin dem Ausstoßkanal im Zylinderfuß zugeführt werden.Such known wrapping machines are used to drive in fasteners of various types, e.g. Nails, pins, screws, etc., which are connected to at least one holding belt to form a fastener strip and are rolled up from a drum magazine and fed to the discharge channel in the cylinder base.

Beim Einschlagen wird das Befestigungsmittel vom Haltegurt abgetrennt und dieser verläßt den Zylinderfuß durch einen Austrittsschlitz. Erreicht er dabei eine bestimmte Länge, so-kann er bei der Bedienung und Handhabung des Einschlaggerätes hinderlich sein. Es ist daher bekannt, in bestimmten Abständen im Haltegurt Sollbruchstellen vorzusehen, so daß dieser nach Verlassen des Austrittsschlitzes nach einer bestimmten Länge abbricht.When driving in, the fastener is separated from the tether and this leaves the cylinder base through an outlet slot. He achieves a certain length so - it can be a hindrance in the operation and handling of the steering device. It is therefore known to provide predetermined breaking points in the holding belt at certain intervals, so that it breaks off after leaving the outlet slot after a certain length.

Diese Sollbruchstellen können nun aus Fertigungsgründen verschieden ausfallen, so daß der Haltegurt entweder schon vor Eintritt des Befestigungsmittels in den Ausstoßkanal abbricht oder aber kein zuverlässiges Abbrechen nach Verlassen des Austrittsschlitzes stattfindet. Damit können sich Störungen bei der Zuführung oder Handhabung ergeben.These predetermined breaking points can now turn out differently for manufacturing reasons, so that the tether either breaks off before the fastener enters the ejection channel or there is no reliable breaking off after leaving the outlet slot. This can lead to malfunctions in feeding or handling.

Der Erfindung liegt daher die Aufgabe zugrunde, ein Einschlaggerät der eingangs genannten Art zu schaffen, bei dem der leere Haltegurt mit einfachen Mitteln und zuverlässig abtrennbar ist.The invention is therefore based on the object to provide a wrapping device of the type mentioned, in which the empty tether can be detached with simple means and reliably.

Diese Aufgabe wird erfindungsgemäß durch das im kennzeichnenden Teil des Anspruchs 1 angegebene Merkmal gelöst.This object is achieved by the feature specified in the characterizing part of claim 1.

Durch das manuell betätigbare Abhackmesser läßt sich auf einfache Weise der hindernde Haltegurt rasch abtrennen, ohne daß Sollbruchstellen mit ihren Nachteilen nötig wären. Die Zuführung des Befestigungsmittelstreifens und die Handhabung des Einschlaggerätes erfolgt somit störungsfrei.Due to the manually operated chopping knife, the obstructing tether can be removed quickly without the need for predetermined breaking points and their disadvantages. The supply of the fastener strip and the handling of the wrapping device are thus trouble-free.

Anstelle der manuellen Betätigung des Abhackmessers kann auch vorgesehen sein, dieses durch einen mit ihm verbundenen Druckluftkolben zu betätigen, der seinerseits durch ein geeignetes, manuell betätigbares Tastventil auslösbar ist.Instead of the manual actuation of the chopping knife, provision can also be made to actuate it by means of a compressed air piston connected to it, which in turn can be triggered by a suitable, manually actuated push button valve.

Im folgenden sind Ausführungsbeispiele der Erfindung unter Bezugnahme auf die Zeichnungen näher beschrieben.Exemplary embodiments of the invention are described in more detail below with reference to the drawings.

Es zeigen:

  • Fig. 1 Einschlaggerät, von der Seite.
  • Fig. 2 Schnitt nach Linie II - II in Fig. 1, manuelle Betätigung.
  • Fig. 3 Schnitt entsprechend Fig. 2, Betätigung durch Druckluftkolben.
Show it:
  • Fig. 1 wrapping machine, from the side.
  • Fig. 2 section along line II - II in Fig. 1, manual operation.
  • Fig. 3 section corresponding to Fig. 2, actuation by compressed air pistons.

Bei dem in Fig. 1 gezeigten Einschlaggerät ist in einem Gehäuse 1 ein Druckschlagkolben 2 mit Schlagstößel 3 verschiebbar gelagert. Mit dem Gehäuse 1 ist ein Zylinderfuß 4 verbunden, in dessen Ausstoßkanal 5 das Befestigungsmittel,also z.B. der Nagel 6, bereitgestellt ist und von dort mit dem Schlagstößel 3 in ein nicht.dargestelltes Werkstück eingeschlagen werden kann. Die Nägel 6 sind durch einen Haltegurt 7 zu einem Nagelstreifen werbunden und spiralig aufgerollt in einem Trommelmagazin 8 gespeichert. Von dort werden sie über einen Förderschacht 9 mittels einer Fördervorrichtung 10 dem Ausstoßkanal 5 zugeführt und für den nächsten Schlag bereitgestellt.In the impact device shown in FIG. 1, a pressure impact piston 2 with impact ram 3 is slidably mounted in a housing 1. A cylinder base 4 is connected to the housing 1, and the fastening means, i.e. e.g. the nail 6 is provided and from there can be driven into a workpiece not shown with the ram 3. The nails 6 are bound by a tether 7 to form a nail strip and are spirally rolled up in a drum magazine 8. From there, they are fed to the discharge channel 5 via a conveyor shaft 9 by means of a conveyor device 10 and made available for the next stroke.

Beim Einschlagen des Nagels wird dieser vom Haltegurt 7 abgerissen, so daß von diesem noch der Rücken 11 und die (Siehe Fig.2) aufgerissenen Haltespangen 12 übrig blei en./Der Haltegurt.7 wird dabei beim nächsten Schlaghub durch die Fördervorrichtung 10 durch einen Austrittsschlitz 13 ins Freie befördert.When the nail is hammered in, it is torn off the holding belt 7, so that the back 11 and the holding clips 12 (see FIG. 2) which are torn open remain Exit slot 13 transported outdoors.

Wie besonders Fig. 2 zeigt, ist am Zylinderfuß 4 in der Nähe von Austrittsschlitz 13 mit Schrauben 14 eine Führungshülse 15 befestigt, in der ein Abhackmesser 16 verschiebbar gelagert ist.As particularly shown in FIG. 2, a guide sleeve 15 is fastened to the cylinder base 4 in the vicinity of the outlet slot 13 with screws 14, in which a chopping knife 16 is slidably mounted.

Die Schneidkante 17 von Abhackmesser 16 bewegt sich dabei senkrecht zum Förderschacht 9 über den Austrittsschlitz 13.The cutting edge 17 of chopping knife 16 moves perpendicular to the feed shaft 9 via the outlet slot 13.

In einer Längsbohrung 18 von Abhackmesser 16 ist eine Druckfeder 19 angeordnet, die das Abhackmesser in Ruhestellung vom Austrittsschlitz 13 wegdrückt. Es wird dabei in seiner Ruhestellung von einem mit ihm verbundenen Stift 20 gehalten, der in eine Nut 21 von Führungshülse 15 eingreift.A compression spring 19 is arranged in a longitudinal bore 18 of the chopping knife 16 and pushes the chopping knife away from the outlet slot 13 in the rest position. It is held in its rest position by a pin 20 connected to it, which engages in a groove 21 of the guide sleeve 15.

Nach außen wird die Führungshülse 15 von einem Betätigungsstift 22 überragt, mit dem das Einschlaggerät so gegen eine passende Fläche, z.B. am Werkbank oder Werkstück gestoßen werden kann, daß sich das Abhackmesser 16 in Richtung Förderschacht 9 verschiebt und den leeren Haltegurt 7 abtrennt.An actuating pin 22 projects over the outside of the guide sleeve 15, with which the wrapping device thus hits a suitable surface, e.g. can be encountered on the workbench or workpiece that the chopping knife 16 moves in the direction of the conveyor shaft 9 and detaches the empty tether 7.

Wie Fig. 3 zeigt, kann bei einer weiteren Ausführungsform der Erfindung das Abhackmesser 16 mit einem Druckluftkolben 23 verbunden sein, der in einem mit der Führungshülse 24 verbundenen Druckluftzylinder 25 verschiebbar gelagert ist. Druckluftzylinder 25 ist dabei über eine Druckluftleitung 26 mit einem nicht dargestellten Tastventil verbunden, durch das nach Betätigung von Hand das Abhackmesser wieder auslösbar ist.As shown in FIG. 3, in a further embodiment of the invention the chopping knife 16 can be connected to a compressed air piston 23 which is displaceably mounted in a compressed air cylinder 25 connected to the guide sleeve 24. Compressed air cylinder 25 is connected via a compressed air line 26 to a tactile valve, not shown, by means of which the chopping knife can be triggered again after manual operation.

Claims (4)

1) Einschlaggerät für Befestigungsmittel, die mit mindestens einem Haltegurt zu einem Befestigungsmittelstreifen verbunden sind, mit einem Zylinderfuß, in dessen Ausstoßkanal ein kraftbetriebener Schlagstößel verschiebbar gelagert ist, mit einem Magazin zur Aufnahme des Befestigungsmittelstreifens, aus dem dieser über einen Förderschacht dem Ausstoßkanal zuführbar ist und mit einem Austrittsschlitz für den leeren Haltegurt, dadurch gekennzeichnet, daß am Zylinderfuß (4) in der Nähe des Austrittsschlitzes (13) ein Abhackmesser (16) für den Haltegurt (7) angeordnet ist.1) Wrapping device for fasteners, which are connected to at least one holding belt to form a fastener strip, with a cylinder foot, in the ejection channel of which a power-operated impact tappet is slidably mounted, with a magazine for receiving the fastener strip, from which this can be fed to the ejection channel via a conveyor shaft and With an exit slot for the empty tether, characterized in that a chopping knife (16) for the tether (7) is arranged on the cylinder base (4) in the vicinity of the exit slot (13). 2) Einschlaggerät nach Anspruch 1, dadurch gekennzeichnet, _daß mit dem Zylinderfuß (4) eine Führungshülse (15) verbunden ist, in der das Abhackmesser (16) senkrecht zum Förderschacht (9) verschiebbar gelagert ist.2) Wrapping device according to claim 1, characterized in that a guide sleeve (15) is connected to the cylinder base (4), in which the chopping knife (16) is slidably mounted perpendicular to the conveyor shaft (9). 3) Einschlaggerät nach Anspruch 2, dadurch gekennzeichnet, daß das Abhackmesser (16) einen Betätigungsstift (22) aufweist, mit dem es gegen Wirkung einer Feder (19) manuell betätigbar ist.3) Wrapping device according to claim 2, characterized in that the chopping knife (16) has an actuating pin (22) with which it can be actuated manually against the action of a spring (19). 4) Einschlaggerät nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß mit der Führungshülse (24) ein Druckluftzylinder (25) verbunden ist, mit dessen Druckluftkolben (23) das Abhackmesser (16) betätigbar ist.4) impact device according to claim 1 or 2, characterized in that with the guide sleeve (24) a compressed air cylinder (25) is connected, with the compressed air piston (23) the chopping knife (16) can be actuated.
EP85107223A 1984-06-27 1985-06-12 Fastener driving tool Expired EP0166303B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85107223T ATE38170T1 (en) 1984-06-27 1985-06-12 IMPACTING DEVICE FOR FASTENERS.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19843423578 DE3423578A1 (en) 1984-06-27 1984-06-27 IMPACT DEVICE FOR FASTENERS
DE3423578 1984-06-27

Publications (2)

Publication Number Publication Date
EP0166303A1 true EP0166303A1 (en) 1986-01-02
EP0166303B1 EP0166303B1 (en) 1988-10-26

Family

ID=6239207

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85107223A Expired EP0166303B1 (en) 1984-06-27 1985-06-12 Fastener driving tool

Country Status (5)

Country Link
US (1) US4619393A (en)
EP (1) EP0166303B1 (en)
JP (1) JPS6114866A (en)
AT (1) ATE38170T1 (en)
DE (1) DE3423578A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011058297A1 (en) * 2009-11-11 2011-05-19 Henrob Limited Fastener dispensing apparatus
EP3822027A1 (en) * 2019-11-12 2021-05-19 Hilti Aktiengesellschaft Separation device, magazine attachment and fixing system

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2146590T3 (en) * 1991-11-20 2000-08-16 Henrob Ltd USEFUL TO JOIN THROUGH FIXING ELEMENTS AND TAPE FOR THEMSELVES.
US5697541A (en) * 1994-12-30 1997-12-16 Senco Products, Inc. Canister-type magazine for a fastener driving tool
USD379912S (en) * 1996-02-28 1997-06-17 Senco Products, Inc. Pneumatic coil nailer
US6170366B1 (en) 1997-09-12 2001-01-09 Stanley Fastening Systems, L.P. Power operated screwdriving device
DE10206588A1 (en) * 2002-02-15 2003-08-28 Hilti Ag setting tool
US7134367B2 (en) 2002-12-09 2006-11-14 Milwaukee Electric Tool Corporation Fastener feeding system
US6966476B2 (en) * 2003-07-30 2005-11-22 Stanley Fastening Systems, L.P. Integrated check pawl, last nail-retaining, and dry fire lock-out mechanism for fastener-driving tool
US8070034B1 (en) * 2009-05-29 2011-12-06 Cardica, Inc. Surgical stapler with angled staple bays
JP2012171030A (en) * 2011-02-18 2012-09-10 Koriyama Chip Industry Corp Cutting mechanism of connection band residual part in nailing machine
DE102012010565B4 (en) * 2012-05-26 2014-02-06 Festo Ag & Co. Kg Linear unit and method for attaching a guide rail to a housing of a linear unit
SE541414C2 (en) * 2016-09-01 2019-09-24 Ruben Haegglunds Maskin Ab Tape reels

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Publication number Priority date Publication date Assignee Title
GB1389955A (en) * 1972-03-10 1975-04-09 Haubold Ind Nagelgeraete D Nail driving apparatus
DE1957746B2 (en) * 1967-02-13 1975-05-07 Chicago, Ill. (V.St.A.) Driving device for fasteners
US4485954A (en) * 1982-06-01 1984-12-04 Japan Bano'k Co., Ltd. Tag assembly feeding mechanism
DD216890A1 (en) * 1983-05-25 1985-01-02 Forsttech Waren Veb K HAND BOOK DEVICE

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US1162678A (en) * 1913-06-17 1915-11-30 Boden S Automatic Hammer Co Automatic hammer.
US3099837A (en) * 1959-09-17 1963-08-06 Internat Staple And Machine Co Pneumatic driver
DE1961114A1 (en) * 1969-12-05 1971-08-19 Holz Elektro Feinmechanik Magazine tape cutter
US3661312A (en) * 1970-07-22 1972-05-09 Illinois Tool Works Detection and cutoff mechanism for power driven devices
US4313552A (en) * 1978-09-01 1982-02-02 Firma Karl M. Reich Maschinenfabrik Gmbh Apparatus for driving fasteners
JPS5777427A (en) * 1980-10-24 1982-05-14 Japan Banok Shokai Kk Mounting device for connecting piece
JPS59156673A (en) * 1983-02-25 1984-09-05 日立工機株式会社 Device for removing residual section of connecting piece of driving machine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1957746B2 (en) * 1967-02-13 1975-05-07 Chicago, Ill. (V.St.A.) Driving device for fasteners
GB1389955A (en) * 1972-03-10 1975-04-09 Haubold Ind Nagelgeraete D Nail driving apparatus
US4485954A (en) * 1982-06-01 1984-12-04 Japan Bano'k Co., Ltd. Tag assembly feeding mechanism
DD216890A1 (en) * 1983-05-25 1985-01-02 Forsttech Waren Veb K HAND BOOK DEVICE

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011058297A1 (en) * 2009-11-11 2011-05-19 Henrob Limited Fastener dispensing apparatus
US9120141B2 (en) 2009-11-11 2015-09-01 Henrob Limited Fastener dispensing apparatus
EP3822027A1 (en) * 2019-11-12 2021-05-19 Hilti Aktiengesellschaft Separation device, magazine attachment and fixing system
WO2021094084A1 (en) * 2019-11-12 2021-05-20 Hilti Aktiengesellschaft Separating device, magazine attachment and fastening system

Also Published As

Publication number Publication date
JPS6114866A (en) 1986-01-23
ATE38170T1 (en) 1988-11-15
DE3423578C2 (en) 1990-09-06
US4619393A (en) 1986-10-28
DE3423578A1 (en) 1986-01-30
EP0166303B1 (en) 1988-10-26

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