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EP2564949B1 - Appareil de rivetage à tête inclinable - Google Patents

Appareil de rivetage à tête inclinable Download PDF

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Publication number
EP2564949B1
EP2564949B1 EP12182332.2A EP12182332A EP2564949B1 EP 2564949 B1 EP2564949 B1 EP 2564949B1 EP 12182332 A EP12182332 A EP 12182332A EP 2564949 B1 EP2564949 B1 EP 2564949B1
Authority
EP
European Patent Office
Prior art keywords
hydraulic
riveting device
piston
pressure generator
pressure
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.)
Active
Application number
EP12182332.2A
Other languages
German (de)
English (en)
Other versions
EP2564949A2 (fr
EP2564949A3 (fr
Inventor
Klaus Reitzig
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.)
Ws Wielaender and Schill Engineering & Co KG GmbH
Original Assignee
Ws Wielander and Schill Engineering & Co KG 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
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Application filed by Ws Wielander and Schill Engineering & Co KG GmbH filed Critical Ws Wielander and Schill Engineering & Co KG GmbH
Priority to EP17206995.7A priority Critical patent/EP3311935B1/fr
Publication of EP2564949A2 publication Critical patent/EP2564949A2/fr
Publication of EP2564949A3 publication Critical patent/EP2564949A3/fr
Application granted granted Critical
Publication of EP2564949B1 publication Critical patent/EP2564949B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B21J15/02—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 invention relates to a blind riveting tool with a hydraulically actuated pulling device.
  • Riveting equipment with a hydraulically operated pulling or pressing device are known.
  • Handniet oversee which are compressed air.
  • a pneumatic piston is moved over the connected compressed air, via which a hydraulically operated traction device is supplied with pressure.
  • Blindnietella with which the components to be joined can be riveted from one side. It draws a claw comprehensive traction device on a rivet pin, this breaks off after formation of a rivet.
  • a disadvantage of known riveting tools is that they are relatively unwieldy and can not be used in many places, for example in cavities of a vehicle body to be manufactured. Among other things, this is due to the necessary diameter of the pneumatic piston installed in the devices.
  • the invention is based on the object to reduce the mentioned disadvantages of the prior art.
  • the generic document DE 103 16 578 A1 shows a blind riveting tool with rotatable head.
  • the invention relates to a riveting device with a hydraulically operated traction device, which is designed as a blind riveting tool.
  • a component to be processed is deformed in such a way that the component itself is fastened and / or connects two components to be joined together.
  • a head piece comprising a hydraulic piston and a rivet receiving means is pivotable about a support about at least one axis.
  • the basic idea of the invention is based on the fact that it is possible to decouple the traction device with a hydraulically actuated piston, which as a rule has a substantially smaller diameter than the pneumatic piston which is used for pneumatically driven riveting devices, from the remaining components of the riveter this is pivotable about at least one axis.
  • the carrier is connected via a quick coupling with a pressure generator, wherein the quick coupling comprises a fluid passage for hydraulic fluid.
  • Hydraulic fluid which drives the piston of the traction device at high pressure, typically with a pressure of more than 20, preferably more than 50, is thus produced in a separate pressure generator, which can be connected to the carrier. According to the invention, this is done via a quick coupling, which has a self-closing valve for hydraulic fluid.
  • This has the advantage that the front part of the riveting device consists only of relatively small carrier and traction device, where against the other Components, in particular the pneumatic range of the device, is spaced therefrom.
  • the riveting device can be designed in particular together with the pressure generator as Handniet Meeting.
  • an actuating device for triggering the riveting device is part of the pressure generator.
  • the head piece is according to the invention at least by an angle of 45 °, more preferably at least 90 ° pivotable about the carrier.
  • the hydraulic fluid is passed according to the invention via the rotary feedthrough of a pivot joint in the head piece.
  • the riveting device has a pivot joint with a latch, in which the head piece is locked at defined angles and can be moved again, for example by pressing an actuator. This has the advantage that the head does not rotate unintentionally when using the riveting tool.
  • a pressure generator As a pressure generator, a pressure generator is used in a preferred embodiment of the invention, which comprises a pneumatic piston over which a hydraulic piston for generating the hydraulic pressure is moved.
  • a pressure generator which operates on the principle of a pump.
  • a pneumatic piston which is moved in an oscillating manner by means of a reversal, is connected to a hydraulic piston which, via a suction and pressure valve, pumps hydraulic fluid into the working space of the hydraulic piston of the traction device upon actuation of the device.
  • This principle allows, on the side of the pressure generator, the use of a hydraulic piston with a relatively small diameter and thus large transmission ratio relative to the pneumatic piston used.
  • a relatively small pneumatic piston can be installed in order nevertheless to be able to generate high pressures, in particular pressures of more than 50 bar, preferably of more than 500 bar.
  • Fig. 1 shows a perspective view of a riveting device.
  • the riveting tool 1 comprises a head piece 2 with a receiving device 4 for a rivet, in this case for a blind rivet.
  • the head piece 2 is pivotable about the carrier 3 by means of a pivot bearing 5, which is mounted in the front region on the head piece.
  • the carrier 3 comprises a quick coupling 6, by means of which the carrier 3 in this embodiment, for example, with a pressure generator (not shown) can be connected.
  • the quick coupling 6 comprises a self-closing valve for hydraulic fluid.
  • Fig. 2 shows a sectional view of the in Fig. 1 Riveter shown.
  • the head piece 2 which has a piston 9 to reset the traction device, which claws 7, reset.
  • hydraulic fluid is passed via the channel 12 into the working chamber 10 of the piston 9.
  • the piston 9 is held by a spring 11 under prestress.
  • the head piece 2 is very compact, since it has only the diameter of the housing of the working space 10.
  • the head piece 2 corresponds to essentially known pulling devices of riveting devices and has a removable sleeve 8, in which a replaceable Receiving device 4 can be used to adjust the head piece 2 different rivet sizes.
  • sleeve 8 and receptacle 4 may also be integrally formed.
  • the head piece 2 comprises a removable container 13, in which torn-off rivet pins are collected.
  • the channel 12, which supplies the working space 10 with hydraulic fluid is connected via a rotary feedthrough 14 with the channel 15 which passes through the carrier 3, respectively.
  • the channel 15 passes into the quick coupling 6, which includes a self-closing valve 16 for hydraulic fluid.
  • Fig. 3 is a detailed view of the Fig. 2 shows, the essential components of the quick coupling are explained in detail.
  • the quick coupling comprises a housing 19, which via a sealing connection piece 21 with the carrier (3 in Fig. 2 ) connected is.
  • the sleeve 17 has a central bore in which the non-axially displaceable pin 20 is seated.
  • the housing 19 also has a groove, which serves the positive mechanical connection of the corresponding quick coupling.
  • Fig. 3 shows a view of the rivet receiving the head piece 2. It should be noted that the support 3 in the front region is not substantially wider than the head piece, thus maximally twice the width.
  • the latching 22 includes a plurality of circular segment-shaped recesses 23 in this embodiment, into which, when not pressed, as in the detail view according to FIG Fig. 6 shown, an engagement element 24 engages.
  • the recesses 23 are distributed along a circular arc around the center of the pivot bearing 5.
  • Fig. 7 shows a sectional view taken along the line DD Fig. 4 , Evident is the quick coupling 6, which is connected by means of the connecting piece 21 with the carrier 3.
  • the hydraulic channel 15 along the carrier 3 merges into the vertical channel 26. This is introduced via a hole from the side, which is then closed. Then adjoins a channel 26 perpendicular channel 27 to laterally introduce hydraulic fluid into the rotary feedthrough 14.
  • the rotary feedthrough 14 is part of the pivot bearing fifth
  • FIGS. 9 and 10 show sectional views along the lines BB and CC of FIG Fig. 8 shown side views of the riveting device.
  • Fig. 10 shows a further detail of the locking mechanism.
  • This comprises an actuating element 25, which is held by means of a spring 29 under bias. Upon depression of the actuating element 25, the engagement element 24 connected thereto is displaced to the left in this view and releases the latching.
  • Fig. 11 shows a riveting in which the carrier 3 previously shown with the head piece 2 with a pressure generator 100 is connected.
  • the quick coupling 6 of the carrier 3 is connected to the quick coupling 800 of the pressure generator.
  • the pressure generator 100 comprises a compressed air connection 600 and an actuator 200 for triggering the riveting operation.
  • Fig. 12 shows a perspective view of a pressure generator 100th
  • the pressure generator 100 comprises a housing 500 which, in this exemplary embodiment, has three parts and comprises a head piece, a middle piece and an end piece.
  • an actuator 200 is mounted, via which the pressure generator is put into operation.
  • the actuating device 200 is arranged under a handle 400.
  • Behind the actuator 200 is a pressure regulator 300, via which the pressure in the pneumatic range and thus also the pressure in the hydraulic range can be adjusted. Via a compressed air connection 600, the pressure generator 100 can be connected to compressed air.
  • a quick coupling 800 which centrally has a self-closing hydraulic valve 900.
  • a pulling or pressing device (not shown) can be attached to the pressure generator 100.
  • hydraulic fluid can be passed into the pulling or pressing device in this case.
  • a safety actuator 700 is arranged at the front housing part.
  • a device with a two-hand operation can be provided via the safety actuation device 700 such that both the safety actuation device 700 and the actuation device 200 must be actuated in order to generate pressure.
  • the safety actuator 700 must be moved to the active position shown herein prior to actuation of the actuator 200. After the actuating device 200 has been released again upon completion of a riveting operation, the safety actuating device 700 folds forward and the next pulling or pressing operation can only be carried out again when the safety actuating device 700 is folded back into the position shown here.
  • Fig. 13 shows a sectional view of the in Fig. 12 shown pressure generator 100, based on which the function of the pressure generator to be explained in more detail.
  • the pressure regulator 300 is designed as a so-called upstream pressure regulator.
  • the valve seat 6300 is set in position via a threaded drive of the pressure regulator 300.
  • the piston 6400 which is biased downwards by a spring, is flowed through in the middle by compressed air. By adjusting the valve seat 6300, the spring force and thus the adjusted working pressure changes.
  • the flow control valve 6100 regulates the air volume.
  • Compressed air can be conducted via the switching valve 6600 into the working chamber 1400 of the pneumatic piston 1300 via the channel 6800.
  • the pneumatic piston 1300 is moved to the right via the spring 1700 until the piston 1300 touches on the pilot control valve 5400 and closes it again. Now, the working space 1400 is closed again and through the incoming air via the channel 1500 compressed air can build up working pressure again.
  • pilot control valve 5400 which is axially aligned in a row with both the pneumatic piston 1300 and the hydraulic piston 1800, provides reliable, high lift and hence high power control.
  • the system operates as a hydraulic pump, that is, the pneumatic piston 1300 and thus the hydraulic piston 1800 is oscillated. Consequently, hydraulic fluid can be continuously conveyed and a small working volume of the hydraulic piston 1800 is sufficient to be able to provide a sufficient amount of hydraulic fluid.
  • the hydraulic region has a pressure valve 5900 and a suction valve 1900, via which a fluid delivery only in the direction of the hydraulic valve 900, to which the pulling or pressing device is connected, is possible.
  • the design of pressure valve 5900, which opens at each pumping operation in which the piston is moved to the left, and of suction valve 1900, which flows when resetting the piston hydraulic fluid in the working space of the hydraulic piston is known in the art and requires no further explanation.
  • the hydraulic valve 900 consists of a sleeve 900a and a plug 900b, which closes the valve by means of spring force when the pulling or pressing device is not connected.
  • the hydraulic valve 900 is part of the quick coupling 800, which is connected to the hydraulic area 2000 by means of a fitting 5700 comprising seals.
  • the quick coupling 800 can be loosened by turning and locked in the attached state via the locking lever 2300 to ensure that the clutch is not inadvertently loosened under applied pressure.
  • the housing 4700 of the quick coupling 800 is preferably screwed to the housing of the pressure generator or to the front housing part.
  • the pressure generator comprises a relief valve 2100. It is in this embodiment, a three-two-way valve.
  • the relief valve 2100 is in the ground state with applied compressed air through the channel 2200 open. For this purpose, the compressed air flows through the channel 2200 in a working space and presses the discharge piston 6000 down.
  • a safety actuator 700 is still provided, which is arranged as an eccentric above the discharge piston 6000.
  • a pressure build-up is possible only in the position of the safety actuator 700 shown here, since when moving the safety actuator of the eccentric keeps the relief piston 6000 in the open position, thus preventing a closing of the relief valve 2100.
  • the safety actuating device 700 may be designed such that it can be used, for example, by means of a spring automatically moves to an open position of the relief valve. Before each new actuation of the actuator 200 then the safety actuator 700 must be put back into the position shown here, in which it first remains, as it is determined due to the spring bias of the relief valve 2100. Upon actuation of the actuator, the safety actuator 700 returns to the inactive position.
  • a two-hand operation can also be provided via the safety actuating device 700, in which case it must be operated continuously in order to build up pressure at all (not shown).
  • Fig. 14 shows a handle 80, with an alternative embodiment of the invention will be explained in more detail.
  • the handle 80 includes a quick coupling 81, to which in Figs Fig. 1 to Fig. 10 described riveting device can be connected.
  • the handle 80 further includes an actuator 82 for triggering the riveting operation.
  • the pressure generator is operated stationary in this embodiment.
  • the handle 80 comprises a hydraulic connection 83 which communicates with the hydraulic region of the pressure generator is connected, and pneumatic control lines 84 and 85, via which the pressure generator is controlled.
  • This embodiment of the invention has the advantage that the handle is still much smaller and lighter than the pressure generator and thus the accessibility can be further improved.
  • the pressure generator in comparison to the direct coupling with the pressure generator, it is disadvantageous that the pressure generator must be carried as a stationary unit located nearby and the range of action is not comparable, as if the device merely has to be connected to a compressed air connection.
  • a riveting tool could be provided, which allows a high tensile force and in which the accessibility of hard to reach areas in the body area is significantly improved.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Shovels (AREA)
  • Actuator (AREA)

Claims (7)

  1. Outil à poser des rivets aveugles (1) comprenant un dispositif de traction à actionnement hydraulique, comprenant :
    (i) une pièce de tête (2), laquelle comporte un piston (9) à actionnement hydraulique ainsi qu'un dispositif de réception (4) pour un rivet,
    (ii) un support et une articulation pivotante comprenant un passage tournant (14) pour un fluide hydraulique, par l'intermédiaire de laquelle la pièce de tête (2) peut pivoter autour du support au moins selon un angle de 45°,
    caractérisé en ce que :
    le support (3) est relié à un générateur de pression (100) par l'intermédiaire d'un raccord rapide (6), lequel comprend un passage de fluide pour le liquide hydraulique et une soupape à fermeture automatique pour un canal de liquide hydraulique.
  2. Outil à poser des rivets aveugles selon la revendication 1, l'outil à poser des rivets aveugles (1) étant caractérisé en ce qu'il est réalisé sous la forme d'un outil à poser des rivets à main.
  3. Outil à poser des rivets aveugles selon l'une quelconque des revendications précédentes, caractérisé en ce que la pièce de tête (2) peut pivoter autour du support au moins selon un angle de 90°.
  4. Outil à poser des rivets aveugles selon l'une quelconque des revendications précédentes, l'outil à poser des rivets aveugles étant caractérisé en ce qu'il comprend une articulation pivotante pourvue d'un encliquetage (22).
  5. Outil à poser des rivets aveugles selon l'une quelconque des revendications précédentes, caractérisé en ce que le générateur de pression (100), auquel le support peut être relié, comprend une soupape à fermeture automatique (16) pour un canal de liquide hydraulique.
  6. Outil à poser des rivets aveugles selon l'une quelconque des revendications précédentes, l'outil à poser des rivets aveugles étant caractérisé en ce qu'il est relié à un générateur de pression (100), lequel comporte un piston pneumatique (1300) par l'intermédiaire duquel un piston hydraulique (1800) est déplacé pour générer la pression hydraulique.
  7. Outil à poser des rivets aveugles selon la revendication précédente, caractérisé en ce que le générateur de pression (100) est réalisé sous la forme d'une pompe hydraulique.
EP12182332.2A 2011-08-31 2012-08-30 Appareil de rivetage à tête inclinable Active EP2564949B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP17206995.7A EP3311935B1 (fr) 2011-08-31 2012-08-30 Appareil de rivetage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011111535.1A DE102011111535B4 (de) 2011-08-31 2011-08-31 Nietgerät

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP17206995.7A Division EP3311935B1 (fr) 2011-08-31 2012-08-30 Appareil de rivetage
EP17206995.7A Division-Into EP3311935B1 (fr) 2011-08-31 2012-08-30 Appareil de rivetage

Publications (3)

Publication Number Publication Date
EP2564949A2 EP2564949A2 (fr) 2013-03-06
EP2564949A3 EP2564949A3 (fr) 2013-08-21
EP2564949B1 true EP2564949B1 (fr) 2018-03-07

Family

ID=46880957

Family Applications (2)

Application Number Title Priority Date Filing Date
EP17206995.7A Active EP3311935B1 (fr) 2011-08-31 2012-08-30 Appareil de rivetage
EP12182332.2A Active EP2564949B1 (fr) 2011-08-31 2012-08-30 Appareil de rivetage à tête inclinable

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP17206995.7A Active EP3311935B1 (fr) 2011-08-31 2012-08-30 Appareil de rivetage

Country Status (2)

Country Link
EP (2) EP3311935B1 (fr)
DE (2) DE102011111535B4 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012102428A1 (de) * 2012-03-21 2013-09-26 Tkr Spezialwerkzeuge Gmbh Hydraulikwerkzeugvorrichtung
US11724304B2 (en) * 2015-11-02 2023-08-15 Goran Olsson Handheld handle-powered pull riveter
MX2018005052A (es) * 2015-11-02 2020-01-23 Olsson Gorn Maquina remachadora portatil manejado por manivela.
DE102015122374B4 (de) * 2015-12-21 2023-12-07 Honsel Distribution Gmbh & Co. Kg Verfahren zum Betrieb eines handhaltbaren Nietgerätes und handhaltbares Nietgerät
DE102017102756A1 (de) * 2017-02-13 2018-08-16 WS Wieländer + Schill Engineering GmbH & Co. KG Druckerzeuger sowie Niet-, Stanz-, Press- oder Ziehwerkzeug
CN207915402U (zh) 2018-02-13 2018-09-28 米沃奇电动工具公司 用于铆钉设置工具的鼻夹组
CN113828695B (zh) * 2021-11-29 2022-04-01 苏州托克斯冲压设备有限公司 一种防倾倒的螺钉送料压铆机构

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US2365538A (en) 1939-11-18 1944-12-19 Chicago Pneumatic Tool Co Riveting tool
US2365537A (en) 1939-11-18 1944-12-19 Chicago Pneumatic Tool Co Hydraulic riveter
FR2542226A1 (fr) 1983-03-09 1984-09-14 Saint Chamond Granat Ets Verin hydraulique de poussee portatif notamment pour bouteroller des rivets
DE10316578A1 (de) 2003-04-10 2004-10-28 Liu, Pao-Fang, San-Yi Druckmittel-Nietmaschine mit drehbarem Kopfstück

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US1970999A (en) * 1930-05-31 1934-08-21 Oilgear Co Hydraulic press
DE29518335U1 (de) * 1995-11-18 1996-01-18 Miki-Plastik Oskar Milz Kg, 68309 Mannheim Verbindungsvorrichtung für ein hydropneumatisches Gerät
DE20100122U1 (de) * 2001-01-05 2001-06-21 Reiplinger, Günter, 54669 Bollendorf Druckübersetzer
TW500010U (en) * 2001-06-22 2002-08-21 Karat Ind Corp Fully round rotating rivet (hood activated) tool with micro adjustment angle and alignment effect
US6532635B1 (en) * 2002-03-01 2003-03-18 Huck International, Inc. Installation tool for pull type fasteners
DE202004012795U1 (de) * 2004-08-16 2005-12-29 Voss Automotive Gmbh Steckverbindung für Fluid-Leitungen
DE102008021988A1 (de) * 2008-05-02 2008-12-18 Daimler Ag Vorrichtung zum Stanznieten
DE102011052115B4 (de) * 2011-07-25 2015-02-19 Tkr Spezialwerkzeuge Gmbh Druckübersetzer
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Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2365538A (en) 1939-11-18 1944-12-19 Chicago Pneumatic Tool Co Riveting tool
US2365537A (en) 1939-11-18 1944-12-19 Chicago Pneumatic Tool Co Hydraulic riveter
FR2542226A1 (fr) 1983-03-09 1984-09-14 Saint Chamond Granat Ets Verin hydraulique de poussee portatif notamment pour bouteroller des rivets
DE10316578A1 (de) 2003-04-10 2004-10-28 Liu, Pao-Fang, San-Yi Druckmittel-Nietmaschine mit drehbarem Kopfstück

Non-Patent Citations (1)

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Title
ANONYMOUS: "Automechanika Spezial", AUDI SERVICE MAGAZIN, 2010, pages 1 - 36, XP055535170

Also Published As

Publication number Publication date
DE202012013277U1 (de) 2015-11-11
EP3311935B1 (fr) 2020-03-04
EP2564949A2 (fr) 2013-03-06
EP2564949A3 (fr) 2013-08-21
EP3311935A1 (fr) 2018-04-25
DE102011111535B4 (de) 2020-06-18
DE102011111535A1 (de) 2013-02-28

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