EP1023957B1 - Rivet setting tool - Google Patents

Rivet setting tool Download PDF

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Publication number
EP1023957B1
EP1023957B1 EP99118992A EP99118992A EP1023957B1 EP 1023957 B1 EP1023957 B1 EP 1023957B1 EP 99118992 A EP99118992 A EP 99118992A EP 99118992 A EP99118992 A EP 99118992A EP 1023957 B1 EP1023957 B1 EP 1023957B1
Authority
EP
European Patent Office
Prior art keywords
rivet setting
piston
rivet
roll
setting 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.)
Expired - Lifetime
Application number
EP99118992A
Other languages
German (de)
French (fr)
Other versions
EP1023957A2 (en
EP1023957A3 (en
Inventor
Marcus Dipl.-Ing.(Fh) Weiland
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.)
MH Honsel Beteiligungs GmbH
Sartam Industries Inc
Sartam Ind Inc
Original Assignee
MH Honsel Beteiligungs GmbH
Sartam Industries Inc
Sartam Ind Inc
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 MH Honsel Beteiligungs GmbH, Sartam Industries Inc, Sartam Ind Inc filed Critical MH Honsel Beteiligungs GmbH
Publication of EP1023957A2 publication Critical patent/EP1023957A2/en
Publication of EP1023957A3 publication Critical patent/EP1023957A3/en
Application granted granted Critical
Publication of EP1023957B1 publication Critical patent/EP1023957B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B21J15/32—Devices for inserting or holding rivets in position with or without feeding arrangements
    • 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
    • B21J15/02—Riveting procedures
    • B21J15/04—Riveting hollow rivets mechanically
    • B21J15/043—Riveting hollow rivets mechanically by pulling a mandrel
    • 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
    • B21J15/32—Devices for inserting or holding rivets in position with or without feeding arrangements
    • B21J15/323—Devices for inserting or holding rivets in position with or without feeding arrangements using a carrier strip
    • 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
    • B21J15/32—Devices for inserting or holding rivets in position with or without feeding arrangements
    • B21J15/326—Broken-off mandrel collection
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53478—Means to assemble or disassemble with magazine supply
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53478—Means to assemble or disassemble with magazine supply
    • Y10T29/53487—Assembling means comprising hand-manipulatable implement
    • Y10T29/53496—Assembling means comprising hand-manipulatable implement comprising driver for snap-off-mandrel fastener; e.g., Pop [TM] riveter
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53709—Overedge assembling means
    • Y10T29/53717—Annular work
    • Y10T29/53726—Annular work with second workpiece inside annular work one workpiece moved to shape the other
    • Y10T29/5373—Annular work with second workpiece inside annular work one workpiece moved to shape the other comprising driver for snap-off-mandrel fastener; e.g., Pop [TM] riveter
    • Y10T29/53739—Pneumatic- or fluid-actuated tool
    • Y10T29/53743—Liquid
    • Y10T29/53748—Liquid and gas

Definitions

  • the invention relates to a rivet setting device with a rivet setting device and the rivet setting device actuating drive and a magazine strip pulling device, which has a roller connected to the drive, and a mouthpiece for receiving at least one rivet and a pulling device belonging to the rivet setting device, wherein to carry out a rivet setting process the device by Piston-cylinder device from a position closer to the mouthpiece to one of the Mouthpiece is transferred to a more distant position and the pulling device after the rivet setting process is returned.
  • Such rivet setting tools are known from the prior art. (see e.g. US-A-5,184,497). It is a matter of battery-operated rivet setting tools for setting blind rivets.
  • the rivet setting device performs a pulling motion and is via a gearbox with that by an electric motor formed drive connected.
  • the gearbox converts the rotary motion of the electric motor into a linear movement of the rivet setting device.
  • the blind rivets are open the magazine strip and are arranged via a feed device of the rivet setting device fed.
  • the magazine strip pulling device is intended for the magazine strip after removing the blind rivet and winding up the magazine strip to drive further blind rivets.
  • the magazine strip pulling device has this via a roll that winds up the empty magazine strip under tension.
  • the object of the invention is therefore a rivet setting device with a magazine strip pulling device To provide which can also be operated pneumatically and / or hydraulically is.
  • the drive has a pneumatic and / or hydraulic linear drive with a piston-cylinder device and a gear is provided that linear movement of the piston-cylinder unit translated at least temporarily into a rotating movement of the roll, whereby the piston-cylinder device and the roller are operatively connected during the return transfer are.
  • a freewheel can be provided that the linear movement of the piston-cylinder device in only one direction on the Role is transferred.
  • the gearbox can be opened in a simple manner adapt the requirements of the magazine strip pulling device. Because the piston-cylinder device can perform a reciprocating linear movement Freewheel only one direction of movement of the piston-cylinder device for driving the Role. This is particularly important since the winding of the Magazine strip can only take place with one direction of rotation of the roll.
  • a locking device can also be provided, which prevents the roller from rotating at least during the rivet setting process. Then there is also an unintentional rotation of the roller during the rivet setting process prevent.
  • the roll is used as a winding roll for rolling up a magazine strip is trained. Then the magazine strip can not only through the roll driven, but also wound and reusably stored at the same time become.
  • the gearbox can be a rack and pinion gearbox have, with a on the piston-cylinder device and / or traction device provided rack, in which at least indirectly connected to the role Gear meshes. In this way, a particularly simple transmission can be implemented.
  • the piston-cylinder device can be arranged between the rivet setting device and the transmission.
  • the rivet setting tool can also be made particularly compact if the piston-cylinder device has a continuous piston rod. This piston rod. can then on the one hand with the rivet setting device and on the other hand with the gear be connected.
  • the piston of the piston-cylinder device in the pulling direction of the pulling device of the rivet setting device for carrying out of a rivet setting process being movable, for performing the rivet setting process the piston moves from a starting position closer to the mouthpiece to a position from the mouthpiece can be transferred.
  • This design can also lead to a simplification of the structure of the rivet setting tool.
  • piston-cylinder device passes through a spring device is biased into the starting position. This can make a special simple drive can be realized, the return transfer of the piston Piston-cylinder device can be done by the spring device.
  • the spring device has at least one in the Cylinder of the piston-cylinder device arranged compression spring, which is between supports an end cylinder inner wall and the piston. This can also realized a particularly compact and simple design of the rivet setting tool become.
  • a further simplification of the design of the rivet setting tool can be achieved if the rack is integral with the piston rod in this way can further reduce the number of components required.
  • roller is inserted into the housing protruding in the housing rotatably mounted roller axis and that with the tooth edge connected to the roller is connected to the roller axis in the housing. On in this way, a particularly simple gear can be built.
  • the freewheel between the roller axis and Roller is arranged and the gear is rotatably connected to the roller axles. Then the transmission can also be made particularly compact, with the freewheel can be arranged outside the housing and thereby the housing again can be made more compact.
  • FIG. 1 shows the rivet setting device 1 according to the invention in a sectional view.
  • the Rivet setting tool essentially consists of a housing 2 in which a rivet setting device 3 with a traction device 4, a piston-cylinder device 5, a transmission 6, a rivet collecting container 7, a handle 8 and actuating device 9.
  • the aforementioned components are either accommodated in the housing 2 or attached to this.
  • the rivet feed device is shown schematically in a dash-dot line as a drum. on which a magazine strip filled with blind rivets is wound
  • To the feed device an illustrated magazine strip pulling device 10 is provided.
  • the rivet setting device 3 has a mouthpiece 11 which has an opening 12 for Inserting the rivet mandrel of a blind rivet. Inserting the rivet dome takes place in a known manner.
  • the mouthpiece 11 is essentially sleeve-shaped and axially displaceably mounted in the housing 2 This is supported by a spring 13 Mouthpiece 11 in relation to the housing 2 in the axial direction.
  • a stop 14 provided, against which the mouthpiece opposes itself in the illustration in FIG supports the housing.
  • the pulling device 4 has three clamping jaws 15 which are in a cone 16 of the pulling device 4 are slidably received, the jaws in known Are biased against each other by a spring 17.
  • the spring force 13 By inserting one Blind rivets in the mouthpiece 11 and pushing the mouthpiece against the spring the spring force 13 reaches the rivet dome in a known manner with the clamping jaws 15 Intervention and is held by these.
  • the traction device 4 is an integral part of a piston rod 18, which is tubular is formed and has a passage 19 which leads into the rivet collecting container 7 opens
  • the piston rod is mounted in the housing 2 and is displaceable in the axial direction is also part of the piston-cylinder device 5.
  • the piston-cylinder device 5 also has a piston 20 which is integral with a front portion 18a of the piston rod 18 is formed and slidable in a cylinder 21 is received.
  • the piston 20 has grooves 22 in which Ring seals 23 are provided, which hold the piston 20 relative to the cylinder 21 caulk.
  • a spring device 24 is provided concentrically with the piston rod 18, which consists of two concentrically arranged compression springs that they on the one hand in the piston 20 and on the other hand on a cylinder inner wall 25 within the cylinder Support 21.
  • the piston 20 is moved in the direction of by the spring device 24 Mouthpiece 11 biased.
  • An air inlet 26 opens into the cylinder 21. Air is over an air supply duct 27, which is arranged in the handle, supplied, the air can get into the cylinder 21 through the air inlet 26 from the air supply duct and thereby moving the piston 20 away from the mouthpiece 11 in a known manner can.
  • a rear section 18b On the side of the piston-cylinder device facing away from the mouthpiece 11 is a rear section 18b, piston rod 18 with two opposite one another Rack sections 28 and 29 are provided, in each of which gear wheels 30 and 31 comb.
  • the upper rack 28 shown in Figure 2 and the associated gear 30 are part of the transmission 6.
  • the gear 30 is rotatably with a roller axis 32 connected; which is rotatably received in bearings 33 and 34 in the housing 2
  • a freewheel 35 is arranged on the roller axis 32, on which in turn a roller 36 is stored. Due to the freewheel only one occurs in one direction of rotation of the roller axis 32 non-rotatable connection between roller axis 32 and roller 36.
  • the freewheel is such designed that with a movement of the piston 20 away from the mouthpiece no non-rotatable Connection between roller axis 32 and roller 36 and when the piston is guided towards the mouthpiece, the roller axis 32 and the roller 36 rotatably are interconnected.
  • the lower gear 31 is rotatably mounted on an axis 37 in the housing and serves as a support gear for the piston rod 18th
  • a Release flap 38 On the side of the gear 6 facing away from the mouthpiece 11 there is also a Release flap 38, which has an end portion 39 which can be moved into the passage 19 and can be moved out of it.
  • the release flap 38 is around an axis pivotable which is substantially perpendicular to the longitudinal axis of the piston rod 18 is.
  • FIG. 2 also shows a holder 40 with a holding mandrel 41.
  • the holder 40 is fixed in the housing 2 by a screw connection 42 and a pinning 43.
  • the receiving mandrel 41 serves to receive the one shown in dashed lines in FIG Drum with the magazine strip, the drum 44 rotatable on the mandrel 41 is arranged
  • the actuator 9 consists of a switch 45, which in a known manner Handle 8 is slidably mounted and is biased by a spring 46.
  • the desk 45 actuated by pushing into the handle 8, a valve 47, which only compressed air lines 48 shown in sections with a compressed air source in connection stands.
  • the exact design of the valve 47 is known from the prior art. Also how the compressed air from the valve 47 got into the air supply duct 27 known in the prior art by depressing the switch 45 and thus actuation of the valve 47, compressed air is released and enters the air supply duct 27 to get into the piston-cylinder device from there.
  • the drum (not shown) is first used 44 stuck on the recording dome 41 and the magazine strip located on it with rivets arranged thereon in a known manner in the feed device and the end of the magazine strip connected to the roller 36.
  • the roller 36 When the piston 20 is returned, the roller 36 is non-rotatably with the roller axis 32 connected so that the roller 36 during the return of the Piston 20 rotates. This exerts a pull on the magazine strip and the magazine strip continues to be conveyed until the next rivet dome is fed to the mouthpiece 11 is.
  • the length of the rack portion 28 and the number of teeth of the gear 30 is dimensioned accordingly. The through the gear 6 and the roller 36 with the Freewheel 35 formed magazine strip pulling device thus promotes the magazine strip, to allow the blind rivets to be fed.
  • the torn-off rivet domes come from the clamping jaws 15, which follow the rivet dome release the rivet setting process in a known manner, in the passage 19 of the piston rod 18 and get into the rivet collecting container 7, in which the piston rod 18 opens.
  • the release flap 38 was also controlled in a known manner Wise.
  • a hydraulic rivet setting tool gives way in the same way like the pneumatic one, using a hydraulic fluid instead of air.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Insertion Pins And Rivets (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Dowels (AREA)

Abstract

A pop rivet gun is driven by a reciprocating linear drive with hydraulic or pneumatic power. The pop rivets are supplied fastened to a magazine strip with the empty strip taken up by a reel (11) driven by a gearing (6) which meshes with the linear drive. The gearing includes a freewheel coupling which only moves the reel during the return stroke of the linear drive. The reel drive is blocked during the power stroke of the linear drive.

Description

Die Erfindung bezieht sich auf ein Nietsetzgerät mit einer Nietsetzeinrichtung und einem die Nietsetzeinrichtung betätigenden Antrieb und einer Magazinstreifenzugeinrichtung, die eine mit dem Antrieb verbundene Rolle aufweist, und einem Mundstück zur Aufnahme zumindest eines Nietes und einer zur Nietsetzeinrichtung gehörenden Zugeinrichtung, wobei zum Durchführen eines Nietsetzvorganges die Zueinrichtung durch eine Kolben-Zylinder-Einrichtung von einer dem Mundstück näheren Stellung in eine vom Mundstück entferntere Stellung überführt wird und nach dem Nietsetzvorgang die Zugeinrichtung rücküberführt wird.The invention relates to a rivet setting device with a rivet setting device and the rivet setting device actuating drive and a magazine strip pulling device, which has a roller connected to the drive, and a mouthpiece for receiving at least one rivet and a pulling device belonging to the rivet setting device, wherein to carry out a rivet setting process the device by Piston-cylinder device from a position closer to the mouthpiece to one of the Mouthpiece is transferred to a more distant position and the pulling device after the rivet setting process is returned.

Derartige Nietsetzgeräte sind aus dem Stand der Technik bekannt. (siehe z.B. US-A-5 184 497). Es handelt sich um batteriebetriebene Nietsetzgeräte zum Setzen von Blindnieten. Die Nietsetzeinrichtung führt eine Zugbewegung aus und ist über ein Getriebe mit dem durch einen Elektromotor gebildeten Antrieb verbunden. Das Getriebe wandelt die Drehbewegung des Elektromotors in eine Linearbewegung der Nietsetzeinrichtung um. Die Blindnieten sind auf dem Magazinstreifen angeordnet und werden über eine Zuführeinrichtung der Nietsetzeinrichtung zugeführt. Die Magazinstreifenzugeinrichtung ist dafür vorgesehen, den Magazinstreifen nach der Entnahme der Blindniete aufzuwickeln und den Magazinstreifen zum Zuführen weiterer Blindniete anzutreiben. Dazu verfügt die Magazinstreifenzugeinrichtung über eine Rolle, die den leeren Magazinstreifen unter Spannung aufwickelt.Such rivet setting tools are known from the prior art. (see e.g. US-A-5,184,497). It is a matter of battery-operated rivet setting tools for setting blind rivets. The rivet setting device performs a pulling motion and is via a gearbox with that by an electric motor formed drive connected. The gearbox converts the rotary motion of the electric motor into a linear movement of the rivet setting device. The blind rivets are open the magazine strip and are arranged via a feed device of the rivet setting device fed. The magazine strip pulling device is intended for the magazine strip after removing the blind rivet and winding up the magazine strip to drive further blind rivets. The magazine strip pulling device has this via a roll that winds up the empty magazine strip under tension.

Bislang konnten derartige Magazinstreifenzugeinrichtungen nicht für pneumatisch und / oder hydraulisch betriebene Nietsetzgeräte verwendet werden.So far, such magazine strip pulling devices could not be used for pneumatic and / or hydraulically operated riveting tools are used.

Aufgabe der Erfindung ist es daher, ein Nietsetzgerät mit einer Magazinstreifenzugeinrichtung bereitzustellen, welches auch pneumatisch und / oder hydraulisch betätigbar ist.The object of the invention is therefore a rivet setting device with a magazine strip pulling device To provide which can also be operated pneumatically and / or hydraulically is.

Die Aufgabe wird erfindungsgemäß dadurch gelöst, dass der Antrieb einen pneumatischen und / oder hydraulischen Linearantrieb mit einer Kolben-Zylinder-Einrichtung aufweist und ein Getriebe vorgesehen ist, das eine Linearbewegung der KolbenZylindereinheit zumindest zeitweise in eine Drehbewegung der Rolle übersetzt, wobei die Kolben-Zylinder-Einrichtung und die Rolle während des Rücküberführens wirkverbunden sind. The object is achieved in that the drive has a pneumatic and / or hydraulic linear drive with a piston-cylinder device and a gear is provided that linear movement of the piston-cylinder unit translated at least temporarily into a rotating movement of the roll, whereby the piston-cylinder device and the roller are operatively connected during the return transfer are.

Diese Lösung ist einfach und ermöglicht es auch bei hydraulisch und / oder pneumatisch betriebenen Nietsetzgeräten eine mit herkömmlichen Nietzuführeinrichtungen kompatible Magazinstreifenzugeinrichtung vorzusehen.This solution is simple and also enables hydraulic and / or pneumatic operated rivet setting tools with conventional rivet feeding devices provide compatible magazine strip pulling device.

In einer vorteilhaften Weiterbildung der Erfindung kann ein Freilauf vorgesehen sein, so dass die Linearbewegung der Kolben-Zylinder-Einrichtung in nur einer Richtung auf die Rolle übertragen wird. Auf diese Weise lässt sich das Getriebe auf einfache Weise auf die Erfordernisse der Magazinstreifenzugeinrichtung anpassen. Da die Kolben-Zylinder-Einrichtung eine hin- und hergehende Linearbewegung ausführt, kann durch diesen Freilauf nur eine Bewegungsrichtung der Kolben-Zylinder-Einrichtung zum Antreiben der Rolle verwendet werden. Dies ist insbesondere von Bedeutung, da das Aufwickeln des Magazinstreifens immer nur bei einer Drehrichtung der Rolle erfolgen kann.In an advantageous development of the invention, a freewheel can be provided that the linear movement of the piston-cylinder device in only one direction on the Role is transferred. In this way, the gearbox can be opened in a simple manner adapt the requirements of the magazine strip pulling device. Because the piston-cylinder device can perform a reciprocating linear movement Freewheel only one direction of movement of the piston-cylinder device for driving the Role. This is particularly important since the winding of the Magazine strip can only take place with one direction of rotation of the roll.

In einer vorteilhaften Weiterbildung kann zudem eine Sperreinrichtung vorgesehen sein, die zumindest während des Nietsetzvorganges ein Drehen der Rolle verhindert. Dann lässt sich auch ein unbeabsichtigtes Verdrehen der Rolle während des Nietsetzvorganges verhindern.In an advantageous development, a locking device can also be provided, which prevents the roller from rotating at least during the rivet setting process. Then there is also an unintentional rotation of the roller during the rivet setting process prevent.

Von Vorteil kann es zudem sein, wenn die Rolle als Wickelrolle zum Aufrollen eines Magazinstreifens ausgebildet ist. Dann kann der Magazinstreifen durch die Rolle nicht nur angetrieben, sondern auch gleichzeitig aufgewickelt und wiederverwendbar gelagert werden. It can also be advantageous if the roll is used as a winding roll for rolling up a magazine strip is trained. Then the magazine strip can not only through the roll driven, but also wound and reusably stored at the same time become.

In einer vorteilhaften Weiterbildung der Erfindung kann das Getriebe ein Zahnstangengetriebe aufweisen, mit einer an der Kolben-Zylinder-Einrichtung und / oder Zugeinrichtung vorgesehenen Zahnstange, in der zumindest mittelbar ein mit der Rolle verbundenes Zahnrad kämmt. Auf diese Weise läßt sich ein besonders einfaches Getriebe realisieren.In an advantageous development of the invention, the gearbox can be a rack and pinion gearbox have, with a on the piston-cylinder device and / or traction device provided rack, in which at least indirectly connected to the role Gear meshes. In this way, a particularly simple transmission can be implemented.

Um eine besonders kompakte Bauweise zu erzielen, kann die Kolben-Zylinder-Einrichtung zwischen der Nietsetzeinrichtung und dem Getriebe angeordnet sein.In order to achieve a particularly compact design, the piston-cylinder device can be arranged between the rivet setting device and the transmission.

Das Nietsetzgerät kann zudem besonders kompakt gestaltet werden, wenn die Kolben-Zylinder-Einrichtung eine durchgehende Kolbenstange aufweist. Diese Kolbenstange . kann dann einerseits mit der Nietsetzeinrichtung und andererseits mit dem Getriebe verbunden sein.The rivet setting tool can also be made particularly compact if the piston-cylinder device has a continuous piston rod. This piston rod. can then on the one hand with the rivet setting device and on the other hand with the gear be connected.

Von Vorteil kann es dabei sein, wenn die Kolbenstange als Rohr zum Durchleiten abgerissener Nietdomen ausgebildet ist. Dann können die während des Nietsetzvorganges abgerissenen Nietdome aus der Nietsetzeinrichtung durch die als Rohr ausgebildete Kolbenstange aus dem Gehäuse des Nietsetzgerätes abgeführt werden.It can be advantageous if the piston rod is torn off as a tube for passing it through Rivet domes is formed. Then you can during the rivet setting process torn rivet domes from the rivet setting device through the tube Piston rod are removed from the housing of the rivet setting tool.

Dazu kann es sich als günstig erweisen, wenn die Kolbenstange in einem Nietdomauffangbehälter mündet. Auch dies kann zu einer kompakteren Gestaltung des Nietsetzgerätes führen. Außerdem werden herumliegende Nietrdome vermieden.It can also prove to be advantageous if the piston rod is in a rivet dome container empties. This can also lead to a more compact design of the rivet setting tool to lead. In addition, rivet domes lying around are avoided.

Auch kann es sich als vorteilhaft erweisen, wenn das Getriebe zwischen Nietdomauffangbehälter und Kolben-Zylinder-Einrichtung angeordnet ist. Auch dadurch läßt sich das Nietsetzgerät kompakter gestalten.It can also prove to be advantageous if the transmission between the rivet dome collecting container and piston-cylinder device is arranged. This can also be done make the riveting tool more compact.

in einer vorteilhaften Weiterbildung der Erfindung kann der Kolben der Kolben-Zylinder-Einrichtung in Zugrichtung der Zugeinrichtung der Nietsetzeinrichtung zum Durchführen eines Nietsetzvorganges beweglich sein, wobei zum Durchführen des Nietsetzvorganges der Kolben von einer näher am Mundstück angeordneten Ausgangsstellung in eine vom Mundstück entferntere Stellung überführbar sein kann. Auch diese Gestaltung kann zu einer Vereinfachung des Aufbaues des Nietsetzgeräte führen.In an advantageous development of the invention, the piston of the piston-cylinder device in the pulling direction of the pulling device of the rivet setting device for carrying out of a rivet setting process, being movable, for performing the rivet setting process the piston moves from a starting position closer to the mouthpiece to a position from the mouthpiece can be transferred. This design can also lead to a simplification of the structure of the rivet setting tool.

Auch kann es sich als vorteilhaft erweisen, wenn die Kolben-Zylinder-Einrichtung durch eine Federeinrichtung in die Ausgangsstellung vorgespannt ist. Dadurch kann ein besonders einfacher Antrieb realisiert werden, wobei das Rücküberführen des Kolbens der Kolben-Zylinder-Einrichtung durch die Federeinrichtung erfolgen kann.It can also prove to be advantageous if the piston-cylinder device passes through a spring device is biased into the starting position. This can make a special simple drive can be realized, the return transfer of the piston Piston-cylinder device can be done by the spring device.

Dabei kann es auch von Vorteil sein, wenn die Federeinrichtung zumindest eine in dem Zylinder der Kolben-Zylinder-Einrichtung angeordnete Druckfeder aufweist, die sich zwischen einer stirnseitigen Zylinderinnenwand und dem Kolben abstützt. Dadurch kann ebenfalls eine besonders kompakte und einfache Gestaltung des Nietsetzgerätes realisiert werden.It can also be advantageous if the spring device has at least one in the Cylinder of the piston-cylinder device arranged compression spring, which is between supports an end cylinder inner wall and the piston. This can also realized a particularly compact and simple design of the rivet setting tool become.

Eine weitere Vereinfachung der Gestaltung des Nietsetzgerätes kann erzielt werden, wenn die Zahnstange integral mit der Kolbenstange ausgebildet ist Auf diese Weise läßt sich Anzahl der benötigten Bauteile weiter reduzieren.A further simplification of the design of the rivet setting tool can be achieved if the rack is integral with the piston rod in this way can further reduce the number of components required.

Dabei kann es sich als vorteilhaft erweisen, wenn eine zweite, der ersten Zahnstange gegenüberliegende, an der Kolbenstange angeordnete und vorzugsweise integral mit dieser ausgebildete zweite Zahnstange vorgesehen ist, in der ein zweites, im Gehäuse drehbar gelagertes Führungszahnrad kämmt. Damit läßt sich eine präzise Abstützung der Kolbenstange zwischen den beiden Zahnrädern realisieren.It can prove to be advantageous if a second, the first rack opposite, arranged on the piston rod and preferably integral with this trained second rack is provided in the second, in the housing rotatable guide gear meshes. This enables precise support the piston rod between the two gears.

Auch kann es sich als vorteilhaft erweisen, wenn die Rolle durch eine in das Gehäuse hineinragende im dem Gehäuse drehbar gelagerte Rollenachse gelagert ist und das mit der Rolle verbundene Zahnrand im Gehäuse mit der Rollenachse verbunden ist. Auf diese Weise läßt sich ein besonders einfaches Getriebe bauen.It can also prove to be advantageous if the roller is inserted into the housing protruding in the housing rotatably mounted roller axis and that with the tooth edge connected to the roller is connected to the roller axis in the housing. On in this way, a particularly simple gear can be built.

Auch kann es sich als günstig erweisen, wenn der Freilauf zwischen Rollenachse und Rolle angeordnet ist und das Zahnrad drehfest mit der Rollenachsen verbunden ist. Dann läßt sich das Getriebe zusätzlich besonders kompakt gestalten, wobei der Freilauf außerhalb des Gehäuses angeordnet sein kann und dadurch das Gehäuse nochmals kompakter gestaltet werden kann.It can also prove to be advantageous if the freewheel between the roller axis and Roller is arranged and the gear is rotatably connected to the roller axles. Then the transmission can also be made particularly compact, with the freewheel can be arranged outside the housing and thereby the housing again can be made more compact.

Nachfolgend wird die Erfindung anhand eines Ausführungsbeispieles näher erläutert.The invention is explained in more detail below using an exemplary embodiment.

Es zeigen:

  • Figur 1, daß erfindungsgemäße Nietsetzgerät in einer Schnittansicht;
  • Figur 2 das Nietsetzgerät aus Figur 1 in einer Schnittansicht entlang der Linie II-II in Figur 1.
    • Show it:
  • Figure 1 that rivet setting device according to the invention in a sectional view;
  • 2 shows the rivet setting tool from FIG. 1 in a sectional view along the line II-II in FIG. 1.

    • Figur 1 zeigt das erfindungsgemäße Nietsetzgerät 1 in einer Schnittansicht. Das Nietsetzgerät besteht im wesentlichen aus einem Gehäuse 2, in dem eine Nietsetzeinrichtung 3 mit einer Zugeinrichtung 4, einer Kolben-Zylinder-Einrichtung 5, einem Getriebe 6, einem Nietauffangbehälter 7, einem Handgriff 8 und Betätigungseinrichtung 9. Die zuvor genannten Komponenten sind entweder im Gehäuse 2 aufgenommen oder an diesem befestigt. Zusätzlich ist noch eine nicht näher dargestellte Nietzuführeinrichtung mit einem ebenfalls nicht näher dargestellten Magazinstreifen vorhanden. Von der Nietzuführeinrichtung ist lediglich schematisch in Strich-Punkt-Linie eine Trommel dargestellt, auf der ein mit Blindnieten gefüllter Magazinstreifen aufgewickelt ist Zur Zuführeinrichtung gehörend ist eine abgebildete Magazinstreifenzugeinrichtung 10 vorgesehen.Figure 1 shows the rivet setting device 1 according to the invention in a sectional view. The Rivet setting tool essentially consists of a housing 2 in which a rivet setting device 3 with a traction device 4, a piston-cylinder device 5, a transmission 6, a rivet collecting container 7, a handle 8 and actuating device 9. The aforementioned components are either accommodated in the housing 2 or attached to this. In addition, there is a rivet feed device, not shown with a magazine strip, also not shown, available. Of the The rivet feed device is shown schematically in a dash-dot line as a drum. on which a magazine strip filled with blind rivets is wound To the feed device an illustrated magazine strip pulling device 10 is provided.

    Die Nietsetzeinrichtung 3 verfügt über ein Mundstück 11, welches eine Öffnung 12 zum Einstecken des Nietdornes eines Blindnietes aufweist. Das Einstecken des Nietdomes erfolgt in bekannter Weise. Das Mundstück 11 ist im wesentlichen hülsenförmig gestaltet und axial verschieblich im Gehäuse 2 gelagert Über eine Feder 13 stützt sich das Mundstück 11 gegenüber dem Gehäuse 2 in Axialrichtung ab. Zudem ist ein Anschlag 14 vorgesehen, gegen den in der Darstellung in Figur 1 sich das Mundstück gegenüber dem Gehäuse abstützt. The rivet setting device 3 has a mouthpiece 11 which has an opening 12 for Inserting the rivet mandrel of a blind rivet. Inserting the rivet dome takes place in a known manner. The mouthpiece 11 is essentially sleeve-shaped and axially displaceably mounted in the housing 2 This is supported by a spring 13 Mouthpiece 11 in relation to the housing 2 in the axial direction. There is also a stop 14 provided, against which the mouthpiece opposes itself in the illustration in FIG supports the housing.

    Die Zugeinrichtung 4 verfügt über drei Spannbacken 15, die in einem Konus 16 der Zugeinrichtung 4 verschieblich aufgenommen sind, wobei die Spannbacken in bekannter Weise durch eine Feder 17 gegeneinander vorgespannt sind. Durch Einsetzen eines Blindnietes in das Mundstück 11 und Eindrücken des Mundstückes entgegen der Feder der Federkraft 13 gelangt der Nietdom in bekannter Weise mit den Spannbacken 15 in Eingriff und wird von diesen gehalten.The pulling device 4 has three clamping jaws 15 which are in a cone 16 of the pulling device 4 are slidably received, the jaws in known Are biased against each other by a spring 17. By inserting one Blind rivets in the mouthpiece 11 and pushing the mouthpiece against the spring the spring force 13 reaches the rivet dome in a known manner with the clamping jaws 15 Intervention and is held by these.

    Die Zugeinrichtung 4 ist integraler Bestandteil einer Kolbenstange 18, die rohrförmig ausgebildet ist und einen Durchgang 19 aufweist, der in den Nietauffangbehälter 7 mündet Die Kolbenstange ist in Axialrichtung verschieblich im Gehäuse 2 gelagert und ist gleichzeitig Bestandteil der Kolben-Zylinder-Einrichtung 5.The traction device 4 is an integral part of a piston rod 18, which is tubular is formed and has a passage 19 which leads into the rivet collecting container 7 opens The piston rod is mounted in the housing 2 and is displaceable in the axial direction is also part of the piston-cylinder device 5.

    Die Kolben-Zylinder-Einrichtung 5 verfügt zudem über einen Kolben 20, der integral mit einen vorderen Abschnitt 18a der Kolbenstange 18 ausgebildet ist und verschieblich in einem Zylinder 21 aufgenommen ist Der Kolben 20 verfügt über Nuten 22, in denen Ringdichtungen 23 vorgesehen sind, die den Kolben 20 gegenüber dem Zylinder 21 abdichten. Konzentrisch zur Kolbenstange 18 ist eine Federeinrichtung 24 vorgesehen, die aus zwei konzentrisch zueinander angeordneten Druckfedern besteht, die sie einerseits im Kolben 20 und andererseits an einer Zylinderinnenwand 25 innerhalb des Zylinders 21 abstützen. Durch die Federeinrichtung 24 wird der Kolben 20 in Richtung zum Mundstück 11 vorgespannt. Ein Lufteinlaß 26 mündet in den Zylinder 21. Luft wird über einen Luftzuführkanal 27, der im Handgriff angeordnet ist, zugeführt, wobei die Luft durch den Lufteinlaß 26 aus dem Luftzuführkanal in den Zylinder 21 gelangen kann und dadurch den Kolben 20 in bekannter Weise in Richtung vom Mundstück 11 wegbewegen kann.The piston-cylinder device 5 also has a piston 20 which is integral with a front portion 18a of the piston rod 18 is formed and slidable in a cylinder 21 is received. The piston 20 has grooves 22 in which Ring seals 23 are provided, which hold the piston 20 relative to the cylinder 21 caulk. A spring device 24 is provided concentrically with the piston rod 18, which consists of two concentrically arranged compression springs that they on the one hand in the piston 20 and on the other hand on a cylinder inner wall 25 within the cylinder Support 21. The piston 20 is moved in the direction of by the spring device 24 Mouthpiece 11 biased. An air inlet 26 opens into the cylinder 21. Air is over an air supply duct 27, which is arranged in the handle, supplied, the air can get into the cylinder 21 through the air inlet 26 from the air supply duct and thereby moving the piston 20 away from the mouthpiece 11 in a known manner can.

    Auf der vom Mundstück 11 abgewandten Seite der Kolben-Zylinder-Einrichtung ist ein hinterer Abschnitt 18b, Kolbenstange 18 mit zwei sich einander gegenüberliegenden Zahnstangenabschnitten 28 und 29 vorgesehen, in denen jeweils Zahnräder 30 und 31 kämmen. Die in Figur 2 dargestellte ober Zahnstange 28 und das zugehörige Zahnrad 30 sind Bestandteil des Getriebes 6. Das Zahnrad 30 ist drehfest mit einer Rollenachse 32 verbunden; die in Lagerstellen 33 und 34 im Gehäuse 2 drehbar aufgenommen ist On the side of the piston-cylinder device facing away from the mouthpiece 11 is a rear section 18b, piston rod 18 with two opposite one another Rack sections 28 and 29 are provided, in each of which gear wheels 30 and 31 comb. The upper rack 28 shown in Figure 2 and the associated gear 30 are part of the transmission 6. The gear 30 is rotatably with a roller axis 32 connected; which is rotatably received in bearings 33 and 34 in the housing 2

    Auf der Rollenachse 32 ist ein Freilauf 35 angeordnet, auf dem wiederum eine Rolle 36 gelagert ist. Durch den Freilauf erfolgt nur in einer Drehrichtung der Rollenachse 32 eine drehfeste Verbindung zwischen Rollenachse 32 und Rolle 36. Der Freilauf ist dabei derart gestaltet, daß bei einer Bewegung des Kolbens 20 weg vom Mundstück keine drehfeste Verbindung zwischen Rollenachse 32 und Rolle 36 besteht und, wenn der Kolben in Richtung zum Mundstück geführt wird, die Rollenachse 32 und die Rolle 36 drehfest miteinander verbunden sind.A freewheel 35 is arranged on the roller axis 32, on which in turn a roller 36 is stored. Due to the freewheel only one occurs in one direction of rotation of the roller axis 32 non-rotatable connection between roller axis 32 and roller 36. The freewheel is such designed that with a movement of the piston 20 away from the mouthpiece no non-rotatable Connection between roller axis 32 and roller 36 and when the piston is guided towards the mouthpiece, the roller axis 32 and the roller 36 rotatably are interconnected.

    Das untere Zahnrad 31 ist drehbar auf einer Achse 37 im Gehäuse gelagert und dient als Stützzahnrad für die Kolbenstange 18.The lower gear 31 is rotatably mounted on an axis 37 in the housing and serves as a support gear for the piston rod 18th

    Auf der vom Mundstück 11 abgewandten Seite des Getriebes 6 findet sich zudem eine Freigabeklappe 38, die einen Endabschnitt 39 aufweist, der in den Durchgang 19 hineinbewegbar und aus diesem hinausbewegbar ist. Die Freigabeklappe 38 ist dabei um eine Achse schwenkbar die im wesentlichen senkrecht zur Längsachse der Kolbenstange 18 ist.On the side of the gear 6 facing away from the mouthpiece 11 there is also a Release flap 38, which has an end portion 39 which can be moved into the passage 19 and can be moved out of it. The release flap 38 is around an axis pivotable which is substantially perpendicular to the longitudinal axis of the piston rod 18 is.

    In Figur 2 ist zudem ein Halter 40 mit einem Aufnahmedorn 41 dargestellt Der Halter 40 ist durch ein Schraubverbindung 42 und eine Verstiftung 43 fest im Gehäuse 2 angebracht. Der Aufnahemdorn 41 dient zur Aufnahme der in Figur 1 gestrichelt dargestellte Trommel mit dem Magazinstreifen, wobei die Trommel 44 drehbar auf dem Aufnahmedorn 41 angeordnet istFIG. 2 also shows a holder 40 with a holding mandrel 41. The holder 40 is fixed in the housing 2 by a screw connection 42 and a pinning 43. The receiving mandrel 41 serves to receive the one shown in dashed lines in FIG Drum with the magazine strip, the drum 44 rotatable on the mandrel 41 is arranged

    Die Betätigungseinrichtung 9 besteht aus einem Schalter 45, der in bekannter Weise im Handgriff 8 verschieblich gelagert und durch eine Feder 46 vorgespannt ist. Der Schalter 45 betätigt durch Hineindrücken in den Handgriff 8 ein Ventil 47, welches über nur abschnittsweise dargestellte Druckluftleitungen 48 mit einer Druckluftquelle in Verbindung steht. Die genaue Gestaltung des Ventiles 47 ist aus dem Stand der Technik bekannt. Auch wie die Druckluft vom Ventil 47 in den Luftzufuhrkanal 27 gelangt ist aus dem Stand der Technik bekannt Durch Niederdrücken des Schalters 45 und somit Betätigung des Ventiles 47 wird Druckluft freigegeben und gelangt in den Luftzufuhrkanal 27, um von dort aus in die Kolben-Zylinder-Einrichtung zu gelangen. Zudem ist eine nicht dargestellte Entlüftung vorgesehen, durch die Druckluft aus dem Zylinder 21 wieder entweichen kann.The actuator 9 consists of a switch 45, which in a known manner Handle 8 is slidably mounted and is biased by a spring 46. The desk 45 actuated by pushing into the handle 8, a valve 47, which only compressed air lines 48 shown in sections with a compressed air source in connection stands. The exact design of the valve 47 is known from the prior art. Also how the compressed air from the valve 47 got into the air supply duct 27 known in the prior art by depressing the switch 45 and thus actuation of the valve 47, compressed air is released and enters the air supply duct 27 to get into the piston-cylinder device from there. In addition, one Ventilation, not shown, provided by the compressed air from the cylinder 21 again can escape.

    Nachfolgend wird die Wirkungs- und Funktionsweise der Erfindung näher erläutert:The mode of operation and functioning of the invention are explained in more detail below:

    Um das Nietsetzgerät in Betrieb zu nehmen, wird zunächst die nicht dargestellte Trommel 44 auf den Aufnahmedom 41 gesteckt und der auf ihr befindliche Magazinstreifen mit darauf angeordneten Nieten in bekannter Weise in der Zuführeinrichtung angeordnet und das Ende des Magazinstreifens mit der Rolle 36 verbunden.In order to put the rivet setting tool into operation, the drum (not shown) is first used 44 stuck on the recording dome 41 and the magazine strip located on it with rivets arranged thereon in a known manner in the feed device and the end of the magazine strip connected to the roller 36.

    Zu Beginn des Nietsetzvorganges befindet ein nicht dargestellter Blindniet im Mundstück 11, wobei sein Nietdorn in bekannter Weise in das Mundstück 11 durch die Öffnung 12 hineinragt. Wird der Niet in dem zu vemietenden Bauteil angesetzt, wird das Mundstück entgegen der Federkraft der Feder 13 bewegt, wobei der Nietdom zwischen die durch die Feder 17 vorgespannten Spannbacken 15 in bekannter Weise gelangt und durch die Spannbacken 15 festgehalten wird.At the beginning of the rivet setting process there is a blind rivet (not shown) in the mouthpiece 11, its rivet mandrel in a known manner in the mouthpiece 11 through the opening 12 protrudes. If the rivet is placed in the component to be rented, it will Mouthpiece moves against the spring force of the spring 13, the rivet dome between the jaws 15 biased by the spring 17 arrive in a known manner and is held by the jaws 15.

    Wenn die Bedienperson nun Schalter 45 in bekannter Weise betätigt, gelangt Druckluft über den Lufteinlaß 26 in den Zylinder 21, wobei der Zylinder 21 zusammen mit der Kolbenstange 18 dadurch in Richtung weg vom Mundstück 11 bewegt wird. Die mit der Kolbenstange 18 integral ausgebildete Zugeinrichtung 4 wird dadurch ebenfalls vom Mundstück wegbewegt, wobei der Blindniet gesetzt wird und der Nietdom während dieses Setzvorganges, bzw. nach seiner Beendigung, jedoch während des Bewegens des Kolbens weg vom Mundstück 11, abgerissen. Wenn sich der Kolben 20 in seiner vom Mundstück 11 am weitesten entfernten Stellung befindet, wird die Luft aus dem Zylinder 21 abgelassen, wobei die Federeinrichtung 24 den Kolben 20 wieder in seine Ausgangsstellung zurückdrückt.If the operator now operates switch 45 in a known manner, compressed air arrives via the air inlet 26 into the cylinder 21, the cylinder 21 together with the piston rod 18 is thereby moved in the direction away from the mouthpiece 11. The one with the Piston rod 18 integrally formed traction device 4 is also from Mouthpiece moved away, the blind rivet being set and the rivet dome during this Setting process, or after its completion, but while moving the Piston away from the mouthpiece 11, torn off. If the piston 20 in its from Mouthpiece 11 is the most distant position, the air from the cylinder 21 drained, the spring device 24 returning the piston 20 to its starting position pushes back.

    Während des Überführens des Kolbens 20 von seiner Ausgangsstellung in die Figur 1 am weitesten rechts liegende Stellung des Kolbens 20 beim Durchführen des Nietsetzvorganges ist die Rolle 36 durch den Freilauf 35 von der Rollenachse 32 entkoppelt Es erfolgt somit während des Nietversetzvorganges keine Drehbewegung der Rolle 36. During the transfer of the piston 20 from its initial position to FIG. 1 rightmost position of the piston 20 when performing the rivet setting operation the roller 36 is decoupled from the roller axis 32 by the freewheel 35 there is thus no rotational movement of the roller 36 during the riveting process.

    Beim Rücküberführen des Kolbens 20 ist die Rolle 36 jedoch drehfest mit der Rollenachse 32 verbunden, so daß die Rolle 36 sich während des Rücküberführens des Kolbens 20 dreht. Dadurch wird durch ein Zug auf den Magazinstreifen ausgeübt und der Magazinstreifen weiter gefördert, bis der nächste Nietdom dem Mundstück 11 zugeführt ist. Die Länge des Zahnstangenabschnittes 28 und die Zähnezahl des Zahnrades 30 ist entsprechend bemessen. Die durch das Getriebe 6 und die Rolle 36 mit dem Freilauf 35 gebildete Magazinstreifenzugeinrichtung fördert somit den Magazinstreifen, um ein Zuführen der Blindniete zu ermöglichen.When the piston 20 is returned, the roller 36 is non-rotatably with the roller axis 32 connected so that the roller 36 during the return of the Piston 20 rotates. This exerts a pull on the magazine strip and the magazine strip continues to be conveyed until the next rivet dome is fed to the mouthpiece 11 is. The length of the rack portion 28 and the number of teeth of the gear 30 is dimensioned accordingly. The through the gear 6 and the roller 36 with the Freewheel 35 formed magazine strip pulling device thus promotes the magazine strip, to allow the blind rivets to be fed.

    Die abgerissenen Nietdome gelangen von den Spannbacken 15, die den Nietdom nach dem Beenden des Nietsetzvorganges in bekannter Weise freigeben, in den Durchgang 19 der Kolbenstange 18 und gelangen in Nietauffangbehälter 7, in den die Kolbenstange 18 mündet. Das Steuern der Freigabeklappe 38 erfolgte dabei ebenfalls in bekannter Weise.The torn-off rivet domes come from the clamping jaws 15, which follow the rivet dome release the rivet setting process in a known manner, in the passage 19 of the piston rod 18 and get into the rivet collecting container 7, in which the piston rod 18 opens. The release flap 38 was also controlled in a known manner Wise.

    Aufgrund der Gestaltung des Getriebes 6 ist nunmehr auch möglich, eine bekannte Magazinstreifenzuführeinrichtung auch bei pneumatisch oder hydraulisch betriebenen Nietsetzgeräten zu verwenden. Ein hydraulisches Nietsetzgerät weicht in gleicher Weise wie das pneumatische, wobei anstelle von Luft ein Hydraulikfluid verwendet wird.Due to the design of the gear 6, it is now also possible to use a known magazine strip feed device also with pneumatically or hydraulically operated To use riveting tools. A hydraulic rivet setting tool gives way in the same way like the pneumatic one, using a hydraulic fluid instead of air.

    Claims (15)

    1. A rivet setting device comprising a rivet setting means (4) and a drive (5) which actuates the rivet setting means, as well as a magazine-strip pulling means which comprises a roll (36) connected to the drive, and a mouthpiece (11) for receiving at least one rivet, and the rivet setting means (3) comprising a pulling means (4), the pulling means being moved by a piston-cylinder means from a position closer to the mouthpiece into a position further away from the mouthpiece so as to perform a rivet setting operation, and the pulling means being returned after the rivet setting operation,
      characterized in that
      the drive comprises a pneumatic and/or hydraulic linear drive including a piston-cylinder means, and a gearing (6) is provided for translating a linear movement of the piston-cylinder means into a rotational movement of the roll at least temporarily with the piston-cylinder means and the roll being in operative communication during the return movement.
    2. The rivet setting device according to claim 1, characterized in that a freewheel (35) is provided so that the linear movement of the piston-cylinder means can be transmitted to the roll in one direction only.
    3. The rivet setting device according to any one of the preceding claims, characterized in that there is provided a blocking means which inhibits a rotation of the roll at least during the rivet setting operation.
    4. The rivet setting device according to any one of the preceding claims, characterized in that the roll is a winding roll for winding up the magazine strip.
    5. The rivet setting device according to any one of the preceding claims, characterized in that the gearing comprises a rack gear including a rack (28) which is preferably provided on the piston-cylinder means and/or pulling means and in which a gear (30) which is connected to the roll is meshing at least indirectly.
    6. The rivet setting device according to any one of the preceding claims, characterized in that the piston-cylinder means is arranged between rivet setting means and gearing.
    7. The rivet setting device according to any one of the preceding claims, characterized in that the piston-cylinder means comprises a continuous piston rod (18).
    8. The rivet setting device according to any one of the preceding claims, characterized in that the piston rod is designed as a tube for passing torn-off rivet mandrels therethrough.
    9. The rivet setting device according to any one of the preceding claims, characterized in that the piston rod terminates in a rivet-mandrel collecting container (7).
    10. The rivet setting device according to any one of the preceding claims, characterized in that the gearing is arranged between rivet-mandrel collecting container and piston-cylinder means.
    11. The rivet setting device according to any one of the preceding claims, characterized in that the piston of the piston-cylinder means is movable in the pulling direction of the pulling means of the rivet setting means for carrying out a rivet setting operation, the piston being movable from an initial position arranged closer to the mouthpiece into a position further away from the mouthpiece for carrying out the rivet setting operation.
    12. The rivet setting device according to any one of the preceding claims, characterized in that the piston-cylinder means is biased by a spring means into the initial position.
    13. The rivet setting device according to any one of the preceding claims, characterized in that the spring means comprises at least one pressure spring which is arranged within the cylinder of the piston-cylinder means and is supported between an inner cylinder wall at the front side and the piston.
    14. The rivet setting device according to any one of the preceding claims, characterized in that there is provided a second rack which is opposite to the first rack and which is arranged on the piston rod and preferably made integral therewith and in which a second guide gear which is rotatably supported in the housing is meshing.
    15. The rivet setting device according to any one of the preceding claims, characterized in that the roll is supported by a roll shaft which projects into the housing and is rotatably supported therein, and the gear which is connected to the roll is connected within the housing to the roll shaft and the freewheel is arranged between roll shaft and roll and the gear is connected to the roll shaft for rotation therewith.
    EP99118992A 1999-01-26 1999-09-27 Rivet setting tool Expired - Lifetime EP1023957B1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    DE19903020A DE19903020A1 (en) 1999-01-26 1999-01-26 Rivet setting tool
    DE19903020 1999-01-26

    Publications (3)

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    EP1023957A2 EP1023957A2 (en) 2000-08-02
    EP1023957A3 EP1023957A3 (en) 2001-09-19
    EP1023957B1 true EP1023957B1 (en) 2003-05-07

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    US (1) US6301948B1 (en)
    EP (1) EP1023957B1 (en)
    JP (1) JP3445545B2 (en)
    AT (1) ATE239568T1 (en)
    AU (1) AU723510B1 (en)
    BR (1) BR0000171A (en)
    DE (2) DE19903020A1 (en)

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    EP1023957A2 (en) 2000-08-02
    ATE239568T1 (en) 2003-05-15
    US6301948B1 (en) 2001-10-16
    DE59905438D1 (en) 2003-06-12
    JP3445545B2 (en) 2003-09-08
    BR0000171A (en) 2000-09-05
    DE19903020A1 (en) 2000-08-03
    AU723510B1 (en) 2000-08-31
    JP2000210749A (en) 2000-08-02
    EP1023957A3 (en) 2001-09-19

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