WO2005025772A1 - Rivet processing apparatus - Google Patents

Rivet processing apparatus Download PDF

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Publication number
WO2005025772A1
WO2005025772A1 PCT/DE2004/001918 DE2004001918W WO2005025772A1 WO 2005025772 A1 WO2005025772 A1 WO 2005025772A1 DE 2004001918 W DE2004001918 W DE 2004001918W WO 2005025772 A1 WO2005025772 A1 WO 2005025772A1
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WO
WIPO (PCT)
Prior art keywords
rivet
processing device
housing
rivet processing
sensor
Prior art date
Application number
PCT/DE2004/001918
Other languages
German (de)
French (fr)
Inventor
Uwe Kaddatz
Original Assignee
Avdel Verbindungselemente 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 Avdel Verbindungselemente Gmbh filed Critical Avdel Verbindungselemente Gmbh
Priority to DE112004002227T priority Critical patent/DE112004002227D2/en
Publication of WO2005025772A1 publication Critical patent/WO2005025772A1/en

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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
    • B21J15/28—Control devices specially adapted to riveting machines not restricted to one of the preceding subgroups
    • B21J15/285—Control devices specially adapted to riveting machines not restricted to one of the preceding subgroups for controlling the rivet upset cycle
    • 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
    • B21J15/16—Drives for riveting machines; Transmission means therefor
    • B21J15/22—Drives for riveting machines; Transmission means therefor operated by both hydraulic or liquid pressure and gas pressure
    • 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

Definitions

  • the present invention relates to a rivet processing device for broken mandrel rivets with monitoring of the setting process.
  • this object is achieved in that a pressure measurement sensor is arranged between the mouthpiece sleeve and the housing of the rivet processing device. This makes subsequent assembly considerably easier, since the mouthpiece sleeve must be replaceable anyway, since on the one hand it wears out very heavily and on the other hand the mouthpiece sleeves when changing to a different rivet type or a different rivet size usually have to be replaced anyway.
  • the pressure measurement sensor is particularly preferred to design the pressure measurement sensor as a length measurement plug or a measurement washer.
  • the invention further teaches that a considerable improvement in the accuracy of the monitoring of the riveting process is possible if, in addition to the pressure measurement between the mouthpiece sleeve and the housing, a displacement measuring device is arranged on a piston rod of the rivet processing device. A pressure-path diagram can then be generated for each riveting process, which allows even more precise conclusions to be drawn about the quality of the riveting process.
  • a displacement measuring device preferably comprises a conical section on the piston rod and a distance sensor which is firmly connected to the housing.
  • This distance sensor is preferably designed as an inductive analog displacement sensor.
  • Figure 1 is a sectional view of a rivet processing device according to the invention from the side.
  • Figure 1 shows a conventional rivet processing device for broken mandrel rivets in a sectional view seen from the side, which is equipped with a device according to the invention for monitoring the setting process.
  • a strain gauge plug 2 is arranged in an adapter 1 between the mouthpiece sleeve 12 and the housing 14.
  • the strain gage 2 is provided with a protective cover 3.
  • the pressure force between the housing 14 and the mouthpiece 12 can be continuously measured and monitored by means of the strain gauge plug 2.
  • an inductive analog displacement sensor 5 is provided according to the invention. With this, the course of the setting process is measured simultaneously.
  • the inductive analog displacement sensor 5 is arranged in an intermediate piece 4, which is located between the housing 14 and the rivet mandrel collecting container 16. Retrofitting is also relatively easy here, since the rivet mandrel collecting container 16 and the housing 14 are only screwed together and the adapter can therefore be placed in between.
  • the setting path is now measured by arranging a conical section 7 on the extended piston rod 6.
  • the conical section 7 is laterally moved past the analog displacement sensor 5, the distance between the conical section and the analog displacement sensor changes proportionally, as a result of which a signal is generated which is exactly proportional to the setting path.
  • the corresponding data is collected via a cable 8 and passed to the device compressed air connection via the hand protection, where the data can be forwarded to a corresponding recording or processing device separately or in connection with the compressed air line.
  • any conventional rivet processing device for broken mandrel rivets can be retrofitted with a monitoring device according to the invention.
  • the force - displacement sensor system for process-controlled processing of broken mandrel rivets is particularly advantageous here.
  • a length measuring plug strain sensor
  • This version can be used advantageously in the immediate vicinity of the riveting equipment (mouthpiece sleeve) and in the direction of the reaction force. This leads to a small size.
  • the reaction force is measured in an adapter 1, which is located between the device housing 14 and the mouthpiece sleeve 12.
  • the adapter 1 is screwed. Through the application of force during When the rivet is placed in the mouthpiece sleeve 12, this force is transmitted to the adapter 1 and provides measurable values for the change in the modulus of elasticity of the material of the rivet.
  • the adapter 1 Since the adapter 1 is firmly connected to the housing 14 of the device, it is not touched when the riveting equipment is changed, for example because of wear or to change to a different rivet size. This avoids additional calibrations.
  • measuring washers can also be used according to the invention. These are then also arranged between the adapter 1 and the device housing 14. Alternatively, an expansion transmitter could be screwed onto the adapter or the device housing.
  • the compensation for the increased distance between the mouthpiece sleeve 12 and the housing 14 by the present invention takes place by an extension of the pulling part, which is screwed between the piston rod 6 and the riveting equipment (clamping jaw cartridge).
  • a parallel displacement measurement is carried out.
  • this can take place directly on the piston rod 6 of the device.
  • the rear piston rod 6 is extended and protrudes from the space of the hydraulic cylinder.
  • a conical section (measuring bush) is mounted on this piston rod. This can be adjusted in the axial direction on the piston rod 6 and thus offers fine setting options for the distance measurement.
  • an inductive analog position sensor is permanently attached in an adapter. This inductive analog displacement sensor can be designed to be adjustable in the adapter radially to the conical section of the piston rod.
  • the adapter 4 according to the invention is placed on the rear part of the housing 14 instead of the rivet mandrel collecting container 16. screwed.
  • the analog position encoder thus has an unchangeable position. While a rivet is being set, the piston rod is moved backwards (device stroke), as a result of which the conical section 7 of the piston rod 6 moves past the measuring surface of the analog displacement sensor 5.
  • the conicity of the conical section 7 measures the distance between the surface of the conical section 7 and the analog displacement sensor 5, which changes during the stroke in accordance with the horizontal movement of the piston rod 6.
  • This embodiment preferably results in a particularly small installation space, the rivet mandrel collecting container is then screwed onto the other end of the adapter 4.
  • an analog displacement sensor instead of an analog displacement sensor, other displacement measurement methods can of course also be used.
  • a magnet can be attached to the piston rod instead.
  • an inductive displacement sensor is then used.
  • the corresponding cable connections run from the adapter 4 for the inductive analog displacement sensor 5 along the outside of the housing 14 to the adapter 1 of the strain gauge plug 3 and from there through the hand guard 8 to the preumatic connection located below.
  • the present invention allows a very simple and inexpensive retrofit of commercially available mandrel break rivet processing devices with a device for monitoring the riveting process.

Abstract

Disclosed is a rivet processing apparatus (10) for break-mandrel rivets, comprising a mouthpiece sleeve (12) that is mounted on a housing (14). A pressure sensor (2) is disposed between the mouthpiece sleeve (12) and the housing (14) of the inventive rivet processing apparatus (10).

Description

Nietverabeitungsgerät Nietverabeitungsgerät
Die vorliegende Erfindung betrifft ein Nietverarbeitungsgerät für Dornbruchniete mit Überwachung des Setzvorganges.The present invention relates to a rivet processing device for broken mandrel rivets with monitoring of the setting process.
Bei der Verarbeitung von Nieten, insbesondere bei der Verarbeitung von Blindnieten ist es von entscheidender Bedeutung, nach dem Setzeh des Nietes feststellen zu können, ob die Vernietung korrekt erfolgt ist oder ob das Niet keine ausreichende Festigkeit aufweist. Dies ist insbesondere bei Blindnieten von Bedeutung, bei denen ja die Schließkopfbildung auf der Blindseite nicht optisch kontrolliert werden kann.When processing rivets, in particular when processing blind rivets, it is of crucial importance to be able to determine after the rivet has been set whether the riveting has been done correctly or whether the rivet is not sufficiently strong. This is particularly important for blind rivets, where the closing head formation on the blind side cannot be checked optically.
Für die Überwachung des Setzvorgangs sind bereits Lösungen im Stand der Technik bekannt, beispielsweise wurde versucht, ü- ber eine Überwachung der Zugkraft, mit der der Niet gesetzt wurde, Rückschlüsse auf die Güte der Nietverbindung zu ziehen. Eine entsprechende Zugkraftmessung ist jedoch nur darstellbar, wenn das entsprechende Nietsetzgerät von Anfang an entsprechend ausgerüstet ist.Solutions for monitoring the setting process are already known in the prior art, for example attempts have been made to draw conclusions about the quality of the rivet connection by monitoring the tensile force with which the rivet was set. A corresponding tensile force measurement can only be displayed if the corresponding rivet setting tool is equipped accordingly from the start.
Es ist daher Aufgabe der vorliegenden Erfindung, ein Nietverarbeitungsgerät für Dornbruchniete zu schaffen, wobei eine entsprechende Überwachungseinrichtung für den Setzvorgang nachträglich nachgerüstet werden kann.It is therefore an object of the present invention to provide a rivet processing device for broken mandrel rivets, wherein a corresponding monitoring device for the setting process can be retrofitted.
Erfindungsgemäß wird diese Aufgabe dadurch gelöst, dass ein Druckmesssensor zwischen der Mundstückhülse und dem Gehäuse des Nietverarbeitungsgerätes angeordnet ist. Hierdurch ist die nachträgliche Montage erheblich erleichtert, da die Mundstückhülse sowieso auswechselbar sein muß, da sie sich zum einen sehr stark abnutzt und zum anderen die Mundstückhülsen bei Umstellung auf einen anderen Niettyp bzw. eine andere Nietgröße sowieso meist ausgetauscht werden müssen.According to the invention, this object is achieved in that a pressure measurement sensor is arranged between the mouthpiece sleeve and the housing of the rivet processing device. This makes subsequent assembly considerably easier, since the mouthpiece sleeve must be replaceable anyway, since on the one hand it wears out very heavily and on the other hand the mouthpiece sleeves when changing to a different rivet type or a different rivet size usually have to be replaced anyway.
Es ist dabei besonders bevorzugt, den Druckmesssensor als Längenmessdübel oder Messunterlagscheibe auszubilden.It is particularly preferred to design the pressure measurement sensor as a length measurement plug or a measurement washer.
Weiter lehrt die Erfindung, dass eine erhebliche Verbesserung der Genauigkeit der Überwachung des Nietvorganges möglich ist, wenn zusätzlich zu der Druckmessung zwischen der Mundstückhülse und dem Gehäuse eine Wegmessvorrichtung an einer Kolbenstange des Nietverarbeitungsgerätes angeordnet ist. Es läßt sich dann für jeden Nietvorgang ein Druck-Wegdiagramm erzeugen, welches noch genauere Rückschlüsse auf die Qualität der Nietverarbeitung zuläßt.The invention further teaches that a considerable improvement in the accuracy of the monitoring of the riveting process is possible if, in addition to the pressure measurement between the mouthpiece sleeve and the housing, a displacement measuring device is arranged on a piston rod of the rivet processing device. A pressure-path diagram can then be generated for each riveting process, which allows even more precise conclusions to be drawn about the quality of the riveting process.
Vorzugsweise umfaßt eine erfindungsgemäße Wegmessvorrichtung einen konischen Abschnitt an der Kolbenstange und einen fest mit dem Gehäuse verbundenen Abstandssensor.A displacement measuring device according to the invention preferably comprises a conical section on the piston rod and a distance sensor which is firmly connected to the housing.
Dieser Abstandssensor ist vorzugsweise als induktiver Analogweggeber ausgebildet.This distance sensor is preferably designed as an inductive analog displacement sensor.
Im folgenden wird die Erfindung anhand des in der Zeichnung dargestellten Ausführungsbeispiels näher erläutert . Es zeigt :The invention is explained in more detail below on the basis of the exemplary embodiment shown in the drawing. It shows :
Figur 1 eine Schnittdarstellung eines erfindungsgemäßen Niet- verarbeitungsgerätes von der Seite.Figure 1 is a sectional view of a rivet processing device according to the invention from the side.
Figur 1 zeigt ein übliches Nietverarbeitungsgerät für Dornbruchniete in Schnittdarstellung von der Seite gesehen, welches mit einer erfindungsgemäßen Vorrichtung zur Überwachung des Setzvorgangs ausgestattet ist. Zu diesem Zweck ist zwischen der Mundstückhülse 12 und dem Gehäuse 14 ein Dehnungsmessdübel 2 in einem Adapter 1 angeordnet. Der Dehnungsmess- dübel 2 ist dabei mit einer Schutzabdeckung 3 versehen. Mittels des Dehnungsmessdübels 2 kann ständig die Druckkraft zwischen dem Gehäuse 14 und dem Mundstück 12 gemessen und ü- berwacht werden. Zusätzlich ist erfindundsgemäß ein induktiver Analogweggeber 5 vorgesehen. Mit diesem wird der Wegverlauf des Setzvorgang gleichzeitig gemessen. Der induktive Analogweggeber 5 ist zu diesem Zweck in einem Zwischenstück 4 angeordnet, welches sich zwischen dem Gehäuse 14 und dem Nietdornsammelbehälter 16 befindet. Auch hier ist eine Nachrüstung relativ leicht möglich, da auch der Nietdornsammelbehälter 16 und das Gehäuse 14 lediglich verschraubt sind und das dazwischen setzen des Adapters somit leicht möglich ist.Figure 1 shows a conventional rivet processing device for broken mandrel rivets in a sectional view seen from the side, which is equipped with a device according to the invention for monitoring the setting process. For this purpose, a strain gauge plug 2 is arranged in an adapter 1 between the mouthpiece sleeve 12 and the housing 14. The strain gage 2 is provided with a protective cover 3. The pressure force between the housing 14 and the mouthpiece 12 can be continuously measured and monitored by means of the strain gauge plug 2. In addition, an inductive analog displacement sensor 5 is provided according to the invention. With this, the course of the setting process is measured simultaneously. For this purpose, the inductive analog displacement sensor 5 is arranged in an intermediate piece 4, which is located between the housing 14 and the rivet mandrel collecting container 16. Retrofitting is also relatively easy here, since the rivet mandrel collecting container 16 and the housing 14 are only screwed together and the adapter can therefore be placed in between.
Die Messung des Setzweges erfolgt nun dadurch, dass auf der verlängerten Kolbenstange 6 ein konischer Abschnitt 7 angeordnet ist. Wi<rd der konische Abschnitt 7 nun seitlich an den Analogweggeber 5 vorbeibewegt, ändert sich proportional der Abstand zwischen dem konischen Abschnitt und dem Analogweggeber, wodurch ein Signal erzeugt wird, welches exakt proportional zu dem Setzweg ist.The setting path is now measured by arranging a conical section 7 on the extended piston rod 6. When the conical section 7 is laterally moved past the analog displacement sensor 5, the distance between the conical section and the analog displacement sensor changes proportionally, as a result of which a signal is generated which is exactly proportional to the setting path.
Die entsprechenden Daten werden über ein Kabel 8 gesammelt und über den Handschutz zum Gerätedruckluftanschluss geführt, wo separat oder in Verbindung mit der Druckluftleitung die Daten zu einem entsprechenden Aufzeichnungs- bzw. Verarbeitungsgerät weitergeleitet werden können.The corresponding data is collected via a cable 8 and passed to the device compressed air connection via the hand protection, where the data can be forwarded to a corresponding recording or processing device separately or in connection with the compressed air line.
Auf diese Weise kann jedes übliche Nietverarbeitungsgerät für Dornbruchniete nachträglich mit einer erfindungsgemäßen Überwachungsvorrichtung nachgerüstet werden.In this way, any conventional rivet processing device for broken mandrel rivets can be retrofitted with a monitoring device according to the invention.
Besonders vorteilhaft ist hier die erstmals gezeigte Kraft - Weg-Sensorik für das prozessüberwachte Verarbeiten von Dornbruchnieten. Vorzugsweise wird ein Längenmessdübel (Dehnungs- sensor) als Kraftsensor verwendet. Dieser kann in axialer Lage zur Kraftrichtung eingesetzt werden. Diese Ausführung kann vorteilhaf er Weise in unmittelbarer Nähe der Nietausrüstung (Mundstückhülse) und in Reaktionskraftrichtung eingesetzt werden. Dies führt zu einer kleinen Bauform. Die Messung der Reaktionskraft erfolgt in einem Adapter 1, der sich zwischen dem Gerätegehäuse 14 und der Mundstückhülse 12 befindet. Der Adapter 1 wird verschraubt. Durch die Krafteinleitung während des Setzens des Nietes in die Mundstückhülse 12 wird diese Kraft auf den Adapter 1 übertragen und liefert meßbare Werte für die Änderung des Elastizitätsmoduls des Werkstoffs des Nietes .The force - displacement sensor system for process-controlled processing of broken mandrel rivets is particularly advantageous here. A length measuring plug (strain sensor) is preferably used as the force sensor. This can be used in the axial position to the direction of force. This version can be used advantageously in the immediate vicinity of the riveting equipment (mouthpiece sleeve) and in the direction of the reaction force. This leads to a small size. The reaction force is measured in an adapter 1, which is located between the device housing 14 and the mouthpiece sleeve 12. The adapter 1 is screwed. Through the application of force during When the rivet is placed in the mouthpiece sleeve 12, this force is transmitted to the adapter 1 and provides measurable values for the change in the modulus of elasticity of the material of the rivet.
Da der Adapter 1 mit dem Gehäuse 14 des Gerätes fest verbunden ist, wird dieser bei einem Wechsel der Nietausrüstung, beispielsweise wegen Abnutzung oder zur Umstellung auf eine andere Nietgröße, nicht berührt. Dadurch werden zusätzliche Kalibrierungen vermieden.Since the adapter 1 is firmly connected to the housing 14 of the device, it is not touched when the riveting equipment is changed, for example because of wear or to change to a different rivet size. This avoids additional calibrations.
An Stelle eines Dehnungsmessdübels können erfindungsgemäß auch Messunterlegscheiben verwendet werden. Diese werden dann ebenfalls zwischen dem Adapter 1 und dem Gerätegehäuse 14 angeordnet. Alternativ könnte auf dem Adapter oder dem Gerätegehäuse ein Dehnungstransmiter angeschraubt werden.Instead of a strain gauge plug, measuring washers can also be used according to the invention. These are then also arranged between the adapter 1 and the device housing 14. Alternatively, an expansion transmitter could be screwed onto the adapter or the device housing.
Der Ausgleich für den durch die vorliegende Erfindung vergrößerten Abstand zwischen Mundstückhülse 12 und Gehäuse 14 erfolgt durch eine Verlängerung des Zugteils, welche zwischen der Kolbenstange 6 und der Nietausrüstung (Spannbackenpatrone) eingeschraubt wird.The compensation for the increased distance between the mouthpiece sleeve 12 and the housing 14 by the present invention takes place by an extension of the pulling part, which is screwed between the piston rod 6 and the riveting equipment (clamping jaw cartridge).
Besonders bevorzugt ist es erfindungsgemäß, wenn zusätzlich zur Messung der Setzkräfte eine parallele Wegmessung erfolgt . Diese kann erfindungsgemäß direkt auf der Kolbenstange 6 des Geräts erfolgen. Hierzu wird die hintere Kolbenstange 6 verlängert und steht aus dem Raum des hydraulischen Zylinders hervor. Auf dieser Kolbenstange wird ein konisch verlaufender Abschnitt (Meßbuchse) montiert. Dieser kann auf der Kolbenstange 6 in axialer Richtung verstellt werden und bietet somit feine Einstellungsmöglichkeiten für die Wegmessung. Auf der Höhe dieses konischen Abschnittes ist ein induktiver Analogweggeber fest in einem Adapter angebracht. Dieser induktive Analogweggeber kann in dem Adapter radial zu dem konischen Abschnitt der Kolbenstange einstellbar ausgebildet sein.It is particularly preferred according to the invention if, in addition to measuring the setting forces, a parallel displacement measurement is carried out. According to the invention, this can take place directly on the piston rod 6 of the device. For this purpose, the rear piston rod 6 is extended and protrudes from the space of the hydraulic cylinder. A conical section (measuring bush) is mounted on this piston rod. This can be adjusted in the axial direction on the piston rod 6 and thus offers fine setting options for the distance measurement. At the level of this conical section, an inductive analog position sensor is permanently attached in an adapter. This inductive analog displacement sensor can be designed to be adjustable in the adapter radially to the conical section of the piston rod.
Der erfindungsgemäße Adapter 4 wird auf den hinteren Teil des Gehäuses 14 an Stelle des Nietdornsammelbehälters 16 aufge- schraubt. Der Analogweggeber hat damit eine unveränderbare Position. Während ein Niet gesetzt wird, wird die Kolbenstange nach hinten bewegt (Gerätehub) , dadurch bewegt sich der konische Abschnitt 7 der Kolbenstange 6 an der Meßfläche des Analogweggebers 5 vorbei. Durch die Konizität des konischen Abschnitts 7 wird der Abstand zwischen der Oberfläche des konischen Abschnitts 7 zum Analogweggeber 5 gemessen, der sich während des Hubes entsprechend der Horizontalbewegung der Kolbenstange 6 ändert .The adapter 4 according to the invention is placed on the rear part of the housing 14 instead of the rivet mandrel collecting container 16. screwed. The analog position encoder thus has an unchangeable position. While a rivet is being set, the piston rod is moved backwards (device stroke), as a result of which the conical section 7 of the piston rod 6 moves past the measuring surface of the analog displacement sensor 5. The conicity of the conical section 7 measures the distance between the surface of the conical section 7 and the analog displacement sensor 5, which changes during the stroke in accordance with the horizontal movement of the piston rod 6.
Diese Ausführung ergibt vorzugsweise einen besonders kleinen Bauraum, der Nietdornsammelbehälter wird dann am anderen Ende des Adapters 4 angeschraubt .This embodiment preferably results in a particularly small installation space, the rivet mandrel collecting container is then screwed onto the other end of the adapter 4.
Anstelle eines analogen Weggebers können natürlich auch andere Wegemessverfahren Verwendung finden. Beispielsweise kann statt dessen ein Magnet auf der Kolbenstange angebracht werden. Es findet dann anstelle eines induktiven Analogweggebers ein induktiver Wegsensor Verwendung. Die entsprechenden Kabelverbindungen verlaufen von dem Adapter 4 für den induktiven Analogweggeber 5 entlang der Außenseite des Gehäuses 14 zu dem Adapter 1 des Dehnungsmessdübels 3 und von dort durch den Handschutz 8 hindurch zum unten liegenden Preumatik- anschluss .Instead of an analog displacement sensor, other displacement measurement methods can of course also be used. For example, a magnet can be attached to the piston rod instead. Instead of an inductive analog displacement sensor, an inductive displacement sensor is then used. The corresponding cable connections run from the adapter 4 for the inductive analog displacement sensor 5 along the outside of the housing 14 to the adapter 1 of the strain gauge plug 3 and from there through the hand guard 8 to the preumatic connection located below.
Die vorliegende Erfindung erlaubt eine sehr einfache und kostengünstige Nachrüstung handelsüblicher Dornbruchnietverar- beitungsgeräte mit einer Vorrichtung zur Überwachung des Nietvorgangs . The present invention allows a very simple and inexpensive retrofit of commercially available mandrel break rivet processing devices with a device for monitoring the riveting process.

Claims

'• PATENTANSPRUCHE '• PATENT CLAIMS
1. Nietverarbeitungsgerät (10) für Dornbruchniete mit einer an einem Gehäuse (14) angebrachten Mundstückhülse (12), dadurch gekennzeichnet, dass ein Druckmesssensor (2) zwischen der Mundstückhülse (12) und dem Gehäuse (14) des Nietverarbeitungsgerätes (10) angeordnet ist.1. rivet processing device (10) for broken mandrel rivets with a mouthpiece sleeve (12) attached to a housing (14), characterized in that a pressure measuring sensor (2) is arranged between the mouthpiece sleeve (12) and the housing (14) of the rivet processing device (10) ,
2. Nietverarbeitungsgerät nach Anspruch 1, dadurch gekennzeichnet, dass der Druckmesssensor (2) als Längenmessdübel oder Messunterlagscheibe ausgebildet ist .2. Rivet processing device according to claim 1, characterized in that the pressure measuring sensor (2) is designed as a length measuring plug or measuring washer.
3. Nietverarbeitungsgerät nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass zusätzlich eine Wegmessvorrichtung (5,7) an einer Kolbenstange (6) des Nietverarbeitungsgerätes (10) angeordnet ist.3. rivet processing device according to claim 1 or 2, characterized in that in addition a displacement measuring device (5,7) is arranged on a piston rod (6) of the rivet processing device (10).
4. Nietverarbeitungsgerät nach Anspruch 3, dadurch gekennzeichnet, dass die Wegmessvorrichtung (5,7) einen konischen Abschnitt an der Kolbenstange (7) und einen fest mit dem Gehäuse verbundenen Abstandssensor (5) umfaßt.4. rivet processing device according to claim 3, characterized in that the displacement measuring device (5,7) comprises a conical section on the piston rod (7) and a distance sensor (5) fixedly connected to the housing.
5. Nietverarbeitungsgerät nach Anspruch 4, dadurch gekennzeichnet, dass der Abstandssensor (5) als induktiver Analogweggeber ausgebildet ist. 5. rivet processing device according to claim 4, characterized in that the distance sensor (5) is designed as an inductive analog displacement sensor.
PCT/DE2004/001918 2003-09-12 2004-08-31 Rivet processing apparatus WO2005025772A1 (en)

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Application Number Priority Date Filing Date Title
DE112004002227T DE112004002227D2 (en) 2003-09-12 2004-08-31 Nietverarbeitungsgerät

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DE20314362U DE20314362U1 (en) 2003-09-12 2003-09-12 Nietverarbeitungsgerät
DE20314362.0 2003-09-12

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WO2007031760A1 (en) * 2005-09-16 2007-03-22 Avdel Uk Limited Monitoring system for fastener placing tool
WO2007107751A1 (en) * 2006-03-22 2007-09-27 Avdel Uk Limited Improved hydraulic damper valve
US11654475B2 (en) 2020-06-03 2023-05-23 Milwaukee Electric Tool Corporation Rivet setting tool

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US11654475B2 (en) 2020-06-03 2023-05-23 Milwaukee Electric Tool Corporation Rivet setting tool

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