EP1329270A1 - Vorrichtung zum Nieten von Längsverstärkungselementen auf Aluminiumplatten - Google Patents

Vorrichtung zum Nieten von Längsverstärkungselementen auf Aluminiumplatten Download PDF

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Publication number
EP1329270A1
EP1329270A1 EP02009853A EP02009853A EP1329270A1 EP 1329270 A1 EP1329270 A1 EP 1329270A1 EP 02009853 A EP02009853 A EP 02009853A EP 02009853 A EP02009853 A EP 02009853A EP 1329270 A1 EP1329270 A1 EP 1329270A1
Authority
EP
European Patent Office
Prior art keywords
riveting
panel
hole
tool
mandrel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP02009853A
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English (en)
French (fr)
Other versions
EP1329270B1 (de
Inventor
Bruno Bisiach
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Individual
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Individual
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Publication date
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Publication of EP1329270A1 publication Critical patent/EP1329270A1/de
Application granted granted Critical
Publication of EP1329270B1 publication Critical patent/EP1329270B1/de
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
    • B21J15/16—Drives for riveting machines; Transmission means therefor
    • B21J15/26—Drives for riveting machines; Transmission means therefor operated by rotary drive, e.g. by electric motor
    • 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
    • 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
    • B21J15/14—Riveting machines specially adapted for riveting specific articles, e.g. brake lining machines
    • B21J15/142—Aerospace structures

Definitions

  • the present invention relates to a device for riveting longitudinal reinforcing members onto aluminium panels.
  • the invention concerns a device for riveting the so-called “stringers” onto aluminium panels for preparing parts of aircraft fuselages or wings.
  • the stringers which may have different cross-sectional shapes, for instance the shape of a T or of an upset J, are secured to the aluminium panels either by riveting, if they have a suitable flap, or, according to more recent techniques, by laser welding.
  • Riveting is at present the preferred technique, since it exploits a widely tested technology, less critical than welding.
  • riveting of metal parts entails a sequence of simple operations, namely boring both parts to be joined, inserting a bonding agent into the hole and lastly inserting the rivet and clinching it.
  • the above operations are generally performed in automatic manner, by moving the workpiece relative to the boring and riveting tools, which remain stationary.
  • a known device for automatically riveting panels, in particular for aircraft wings, is disclosed in US patent No. 4,762,261.
  • the device disclosed therein uses two robotised arms, which are equipped each with a riveting tool and work in opposed relationship onto an aircraft wing, arranged in substantially vertical position.
  • the robotised arms are movable in a vertical plane perpendicular to the longitudinal wing direction, and a moving system including a carriage slidable on rails is provided to allow displacing the wing during working.
  • the device disclosed in said patent while allowing automatically riveting a whole panel, has however some limits.
  • the system for longitudinally moving the panel has to support and displace with extreme accuracy even a whole wing: hence it is a complex, cumbersome and expensive system, since it must ensure the greatest stability during working and it can hardly ensure that no oscillation at all occurs.
  • the present invention therefore aims at solving the problem of how to simplify the process of riveting the stringers onto aluminium panels, while ensuring a high level of reliability and accuracy.
  • an automatic riveting system is provided that is capable of performing the whole of the operations included in the working cycle, from the boring to the final rivet clinching, in a quick manner and without requiring panel displacement during working.
  • a device for the automatic riveting of a longitudinal reinforcing member, a so-called stringer, onto an aluminium panel comprises two robotised arms, namely a first arm 2 equipped with a multiple-tool head, and a second arm 4 equipped with a backing tool 22.
  • the riveting device is controlled by a numerical control system of known type that guides robotised arms 2 and 4 in pre-set movements in space according to a given working program. Thanks to the freedom of movement of robotised arms 2 and 4 in space, the system is generally capable of performing riveting operations onto an entire panel 7 without need for displacing or rotating the panel. Indeed, panel 6 being worked is secured to a stationary support 8, of which only two end portions are shown in Fig. 1, firmly supporting the panel in vertical position. The vertical panel position depends on the supporting structure of robotised arms 2 and 4, but in no way it affects the working cycle to be described hereinbelow.
  • the size of the panel shown in Fig. 1 is merely indicative, and the actual panel size can change, as far as both the height and the width are concerned, compatibly with the range of reach of the robotised arms.
  • Robotised arm 2 bears a powered double slide 10, shown in detail in Figs. 2 and 3, which allows the independent displacement of two moving plates 30, 32 along a same axis.
  • a bearing foot 12 and a rotating table 14, respectively, are secured to said plates.
  • both moving plates 30, 32 slide along the same guides 24, 26 and are coupled each with a threaded shaft 36, 34, which is rotated by a respective electric motor 40, 38 by means of a belt 45, 46.
  • the rotation of each threaded shaft is therefore converted into a linear displacement of the associated plate.
  • the stroke of each plate is therefore limited by the position taken by the other plate.
  • Moving plate 32 has a substantially square shape and it is provided with a plurality of bores 35 for securing rotating table 14.
  • Rotating table 14 is internally equipped with a hydraulic or electric driving system for rotating it, also controlled by the numerical control system of the device, and is externally provided with bores 15 for securing a plurality of tools circumferentially distributed on its surface.
  • Fig. 1 shows by way of example a mandrel 16, rotated into its working position, and two riveters 18, 20, arranged at 45° relative to the mandrel.
  • moving plate 32 allows longitudinally displacing the tool being used (mandrel 16 in the drawing), whereas the rotating table allows changing the tool, after having withdrawn the tool being used by moving back moving plate 32.
  • Table 14 is designed to house up to 8 tools. Yet generally it is sufficient to use a single mandrel, in which it is possible to automatically change the boring drills to make holes of different diameters, and one or two riveters for applying rivets of different sizes.
  • Fig. 3 is a side view of the double slide 10.
  • electric motor 40 has been removed in that Figure, to show the details said motor hides.
  • the Figure shows means 42, 44 for coupling the slide to arm 2, moving plates 30, 32 and rubber bellows 37, 39, 41 protecting the internal slide members while allowing at the same time plates 30, 32 to displace longitudinally of the slide.
  • Fig. 4 shows instead in detail the lower end of slide 10, with bearing foot 12 secured to plate 30 thereof, and a device 48 for supplying a bonding agent in correspondence of the bore made by mandrel 16, before the riveting operation.
  • Bearing foot 12 forms, at its lower end, an internally hollow circular portion 12a, the internal cavity of which is connected with device 60 for aspirating boring chips (a flexible duct connected with a suitable aspirator).
  • the internal diameter of input opening 12b giving access to hollow circular portion 12a of the foot slightly exceeds the external diameter of chuck 17 of mandrel 16: thus, during boring, an air-tight sealed chamber is formed that favours chip aspiration by chip aspirating device 60.
  • Device 48 for supplying a bonding agent is coupled with bearing foot 12 through an actuating system, such as an oil-pressure piston, allowing its reciprocation for moving close to and away from the hole.
  • actuating system such as an oil-pressure piston
  • device 48 for supplying a bonding agent is moved close to and away from the hole during a rotation phase of rotating table 14, whereby the dead times during tool change are exploited.
  • Fig. 5 shows in greater detail hollow circular portion 12a of bearing foot 12, which presses panel 5 against stringer 6a, and the lower end of device 48 for supplying a bonding agent in its lowered position, when it is brought in correspondence with hole 52.
  • a channel 50 through which the bonding agent passes is provided inside device 48.
  • Channel 50 in its end portion, is divided into two or more oblique channels 50a, 50b, preferably three channels arranged at 120° relative to each other, favouring a homogeneous distribution of the bonding agent onto the internal hole walls.
  • the tip of device 48 i. e. the portion where oblique channels 50a, 50b are provided, is so shaped that it becomes positioned onto hole 52 as if it would arrive in axial alignment therewith, notwithstanding the oblique approaching movement.
  • a hole and a countersink can be obtained with minimum errors relative to the required specifications. It is important that especially the countersink has minimum tolerance, since the head of rivet 51, at the riveting end, must be at the same level as the external surface of panel 6. The depths of the hole and the countersink are kept constant in that mandrel 16, before starting boring, is positioned again, thereby recovering possible errors with respect to the theoretical zero, based on the actual point where foot 12 is located when it is pressed against panel 6.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Automatic Assembly (AREA)
  • Drilling And Boring (AREA)
  • Panels For Use In Building Construction (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Connection Of Plates (AREA)
EP02009853A 2002-01-11 2002-05-02 Vorrichtung zum Nieten von Längsverstärkungselementen auf Aluminiumplatten Expired - Lifetime EP1329270B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2002TO000030A ITTO20020030A1 (it) 2002-01-11 2002-01-11 Dispositivo per la chiodatura di elementi longitudinali di rinforzo su pannelli di alluminio.
ITTO20020030 2002-01-11

Publications (2)

Publication Number Publication Date
EP1329270A1 true EP1329270A1 (de) 2003-07-23
EP1329270B1 EP1329270B1 (de) 2004-08-25

Family

ID=11459372

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02009853A Expired - Lifetime EP1329270B1 (de) 2002-01-11 2002-05-02 Vorrichtung zum Nieten von Längsverstärkungselementen auf Aluminiumplatten

Country Status (5)

Country Link
EP (1) EP1329270B1 (de)
AT (1) ATE274385T1 (de)
DE (1) DE60201065T2 (de)
ES (1) ES2225686T3 (de)
IT (1) ITTO20020030A1 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005077568A1 (de) * 2004-02-10 2005-08-25 Daimlerchrysler Ag Vorrichtung zum automatisierten setzen ei­nes blindniets
WO2007110406A1 (fr) * 2006-03-27 2007-10-04 Sonaca S.A. Dispositif et procede pour l'assemblage par rivetage de toles
WO2008149306A2 (en) 2007-06-06 2008-12-11 Bruno Bisiach Method for controlling a drilling machine, and apparatus for carrying out said method
CN102387885B (zh) * 2009-03-06 2013-10-23 蒂森克虏伯系统技术有限公司 用于确保预设的加工深度的加工装置和方法
JP2016016455A (ja) * 2014-07-09 2016-02-01 ザ・ボーイング・カンパニーＴｈｅＢｏｅｉｎｇ Ｃｏｍｐａｎｙ 二段階鋲打

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTO20060581A1 (it) 2006-08-04 2008-02-05 Bruno Bisiach Dispositivo e metodo di lavorazione di un pezzo da lavorare, quale per esempio una struttura a guscio di un velivolo

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4762261A (en) * 1985-10-07 1988-08-09 Messerschmitt-Boelkow Blohm Gesellschaft Mit Beschraenkter Haftung Riveting robot
US4854491A (en) * 1987-05-13 1989-08-08 Messerschmitt-Boelkow-Blohm Gmbh Riveting
US4919321A (en) * 1986-10-15 1990-04-24 Saab-Scania Ab Arrangement for riveting
WO2000015373A1 (en) * 1998-09-11 2000-03-23 General Electro Mechanical Corporation Rotary turret head apparatus

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4762261A (en) * 1985-10-07 1988-08-09 Messerschmitt-Boelkow Blohm Gesellschaft Mit Beschraenkter Haftung Riveting robot
US4919321A (en) * 1986-10-15 1990-04-24 Saab-Scania Ab Arrangement for riveting
US4854491A (en) * 1987-05-13 1989-08-08 Messerschmitt-Boelkow-Blohm Gmbh Riveting
WO2000015373A1 (en) * 1998-09-11 2000-03-23 General Electro Mechanical Corporation Rotary turret head apparatus

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005077568A1 (de) * 2004-02-10 2005-08-25 Daimlerchrysler Ag Vorrichtung zum automatisierten setzen ei­nes blindniets
WO2007110406A1 (fr) * 2006-03-27 2007-10-04 Sonaca S.A. Dispositif et procede pour l'assemblage par rivetage de toles
US8533932B2 (en) 2006-03-27 2013-09-17 Sonaca S.A. Device and process for assembly of panels using riveting
WO2008149306A2 (en) 2007-06-06 2008-12-11 Bruno Bisiach Method for controlling a drilling machine, and apparatus for carrying out said method
US20100183389A1 (en) * 2007-06-06 2010-07-22 Bruno Bisiach Method for controlling a drilling machine, and apparatus for carrying out said method
CN102387885B (zh) * 2009-03-06 2013-10-23 蒂森克虏伯系统技术有限公司 用于确保预设的加工深度的加工装置和方法
EP2403672B1 (de) * 2009-03-06 2014-03-12 ThyssenKrupp System Engineering GmbH Bearbeitungseinrichtung und verfahren zur gewährleistung einer vorbestimmten überarbeitungstiefe
JP2016016455A (ja) * 2014-07-09 2016-02-01 ザ・ボーイング・カンパニーＴｈｅＢｏｅｉｎｇ Ｃｏｍｐａｎｙ 二段階鋲打
US10792728B2 (en) 2014-07-09 2020-10-06 The Boeing Company Two-stage fastener installation

Also Published As

Publication number Publication date
DE60201065T2 (de) 2005-09-01
DE60201065D1 (de) 2004-09-30
ES2225686T3 (es) 2005-03-16
ATE274385T1 (de) 2004-09-15
ITTO20020030A0 (it) 2002-01-11
EP1329270B1 (de) 2004-08-25
ITTO20020030A1 (it) 2003-07-11

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