EP3259093A1 - Élément de fixation - Google Patents

Élément de fixation

Info

Publication number
EP3259093A1
EP3259093A1 EP16705054.1A EP16705054A EP3259093A1 EP 3259093 A1 EP3259093 A1 EP 3259093A1 EP 16705054 A EP16705054 A EP 16705054A EP 3259093 A1 EP3259093 A1 EP 3259093A1
Authority
EP
European Patent Office
Prior art keywords
fastening element
flange
guide
shaft
region
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.)
Withdrawn
Application number
EP16705054.1A
Other languages
German (de)
English (en)
Inventor
Dieter Mauer
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.)
Ejot GmbH and Co KG
Original Assignee
Ejot GmbH and Co KG
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 Ejot GmbH and Co KG filed Critical Ejot GmbH and Co KG
Publication of EP3259093A1 publication Critical patent/EP3259093A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
    • B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
    • B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
    • B23K20/127—Friction stir welding involving a mechanical connection
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
    • B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
    • B23K20/129—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding specially adapted for particular articles or work
    • B23K20/1295—Welding studs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/02—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
    • B23K35/0255—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in welding
    • B23K35/0288—Welding studs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B37/00—Nuts or like thread-engaging members
    • F16B37/04—Devices for fastening nuts to surfaces, e.g. sheets, plates
    • F16B37/06—Devices for fastening nuts to surfaces, e.g. sheets, plates by means of welding or riveting
    • F16B37/061—Devices for fastening nuts to surfaces, e.g. sheets, plates by means of welding or riveting by means of welding
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B37/00—Nuts or like thread-engaging members
    • F16B37/04—Devices for fastening nuts to surfaces, e.g. sheets, plates
    • F16B37/06—Devices for fastening nuts to surfaces, e.g. sheets, plates by means of welding or riveting
    • F16B37/062—Devices for fastening nuts to surfaces, e.g. sheets, plates by means of welding or riveting by means of riveting
    • F16B37/065—Devices for fastening nuts to surfaces, e.g. sheets, plates by means of welding or riveting by means of riveting by deforming the material of the nut
    • F16B37/067—Devices for fastening nuts to surfaces, e.g. sheets, plates by means of welding or riveting by means of riveting by deforming the material of the nut the material of the nut being deformed by a threaded member generating axial movement of the threaded part of the nut, e.g. blind rivet type

Definitions

  • the invention relates to a fastening element having a shank according to the preamble of claim 1 and to a tool for setting such a fastening element according to the preamble of claim 1.
  • Fixing element on the side facing away from the connecting portion of the flange on a shaft In order to connect the fastening element to a component, it is provided that a drive tool with a tubular pressure piece, which is pushed over the shaft region, applies an axial force to the flange surface. About a recording, the fastener is fixed in rotation rectification and can be welded by rotation of the drive tool with the device.
  • the pressure piece ensures that the bolt rotates without impact and thus uniformly rotates about its axis of rotation, which lies on the shaft axis.
  • This arrangement has the disadvantage that a very accurate vote of the inner diameter of the pressure piece on the shaft diameter is necessary to ensure the intended function.
  • An insertion aid in the form of a conical bevel facilitates in this design the fitting of the precisely fitting workpiece. So for each shaft diameter a tool adapted to this is needed.
  • this design is subject to wear, since due to the requirement for accuracy of fit only a slight Materiaiabtrag can be tolerated.
  • a fastening element for connection to a component comprises a flange which carries drive structures, wherein on the flange, a connection region is formed, under the melting of which the fastening element can be fastened by friction welding to the component. Furthermore, the fastening element has a shank, which at the connecting region
  • the fastening element has a guide region which comprises a guide surface which comprises at least one segment of a lateral surface which is assigned to a cone widening in the direction of the connecting region.
  • the invention is characterized in that an axial pressure surface is provided on the guide region at its end facing the shaft, wherein the extent of the axial pressure surface in a radial direction is greater than the diameter of the shank, since the axial pressure forces necessary for mounting over the particular plane , orthogonal to the shaft axis lying plane surface can be transmitted, the guide area must only take over a centering function. As a result, the wear in the tool is significantly minimized. A non-circular rotational movement can be avoided in this way.
  • the Axiaiyak the Axiaiyak the Axiaiyak the Axiaiyak the annular surface is designed in the form of an annular surface which is offset from the flange or the shaft. At this annular surface, which merges into the lateral guide surface, an annular surface and a conical recess exhibiting pressure piece for transmitting the contact pressure and the centered guide engage during operation.
  • the area within the ring surface can thus be made largely free, regardless of Zentri mecanicsauf interconnection.
  • a drive tool which comprises a pressure piece, which has an annular surface whose recess is larger than that
  • Shank diameter is and in its outer dimension corresponds approximately to the extent of the plane surface.
  • the pressure piece can be designed so that the annular surface forms the upper surface of a truncated cone, which expands conically in the fastening direction. In this way one forms Such lateral surface a contact area with the guide surfaces of the guide portion, at the same time the annular surface presses on the Axial réelle repertoire.
  • the rotating fastener can be kept centered during the attachment process. Due to the lateral conical guidance of the fastener in the
  • the shaft can be designed independently of centering requirements. So it is possible that with only one drive tool fasteners with different
  • Shank diameters which are smaller than the diameter of the recess, can be processed.
  • a unified management area can meet this need.
  • the guide region is arranged between the shaft and the flange.
  • the flange with its drive means can be designed independently of centering requirements.
  • the guide portion is located radially within the drive means. So a smoother guidance can be guaranteed.
  • this shape is particularly suitable for Kaltumformischen production,
  • the guide area can be discontinued from the flange in the aforementioned embodiment. This allows a good separation of pressure range and guidance range and drive range.
  • the flange may comprise the guide region. This means that the guide region merges without offset into the flange carrying the drive structures in the direction of the connection region.
  • the guide surface is as a completely circumferential
  • This embodiment has a particularly rotationally symmetrical design and thus avoids imbalances about the shaft axis.
  • the cone of the guide portion may include an angle of 35 ° to 65 ° with the axis of the fastener. In this angle range results in a particularly good
  • Pressure piece of the drive tool can be transferred to the fastener
  • the extent of the pressure surface is essentially dependent on the material of the component and on the material of the fastening element.
  • a dimension sufficient for transmitting the contact pressure can be present if the extension of the plane surface facing the shaft is at least 10% larger than the diameter of the shaft.
  • a sufficient pressure surface for the fastening element can be provided. For example, with a common shaft diameter of 6 mm, a diameter of the plane surface of at least 7 mm makes sense.
  • a further preferred embodiment results when the outer diameter of the flat surface is 7 mm and that of the shaft 6 mm or 5 mm or 4 mm.
  • the shaft is thread-bearing, wherein the diameter of the shaft the
  • Outer diameter of the thread corresponds.
  • the plane surface is preferably normal to the shaft axis and thereby receives a particularly rotationally symmetrical shape, which greatly improves the centering during the setting process.
  • the fastening element may preferably have a connection region whose end is designed such that it defines a footprint.
  • the fastening element may be configured such that the contact surface defined by the connection region is plane-parallel to the plane surface, preferably both are orthogonal to the shaft axis. Due to the parallelism of the
  • the invention relates to a fastening system
  • a fastening system comprising a fastening element for connection to a component, wherein the fastening element has a flange with drive structures, wherein on the flange, a connecting portion is formed, under the melting of which Fastening element can be fastened by friction welding to the component, wherein the fastening element has a shank, which is arranged on the side opposite the Verbtndungs Scheme of the flange.
  • the attachment element between the joint and the connection region has a guide region in the axial direction, which comprises a guide surface which comprises at least one segment of a lateral surface which projects in the direction of the
  • Connection area is associated with widening cone.
  • the fastening system further comprises a tool for fastening a prescribed fastening element, wherein the tool has a drive receptacle for transmitting a
  • a pressure piece comprises, which is partially hollow, and which has at the end facing the fastening element has a frusto-conical recess which forms a tool-side guide surface.
  • the pressure piece and the Axialdruck requirements are coordinated so that the necessary for the setting pressure force is transmitted, and the tool-side guide surface and the fastening element side guide area are coordinated such that a juxtaposition of the pressure piece and the Plantik Chemistry is possible, and the guide area and the Guide surface can be brought into abutment by an eccentric position of the fastener used.
  • the small distance may preferably be between 10 ⁇ and 1 mm.
  • the fastening element can preferably be designed as described above.
  • FIG. 1 shows a friction element, which can be connected via a rotational movement with application of an axial force with a component.
  • FIG. 2 shows a further embodiment of a friction element according to the invention
  • Fig. 3a is a sectional view of a fastener of FIG. 1;
  • 3b shows the representation after complete reception of the fastening element in the drive tool
  • FIG. 4 shows an embodiment in which a drive tool is provided, which comprises a pressure piece, which is provided radially outside of the drive means;
  • Fig. 5a shows a fastening system in a sectional view before complete reception of a
  • FIG. 5b shows a fastening system in a sectional view after complete reception of a
  • the fastener 10 includes a flange 14 on which drive means are provided to provide a rotational
  • the drive means are in the form of an external hex drive.
  • To the flange 14 includes in the direction of the shaft 16, a guide portion 18 at.
  • the guide portion 18 is frustoconical and offset from the flange 14. At its end facing the shaft has the
  • Connecting portion 22 with the component 12 form a friction joint.
  • a centering of the fastener 10 takes place at corresponding Guide surfaces of a driving tool (not shown) during the fastening operation., This ensures a uniform rotation of the fastener 10 about its axis and prevents a so-called hitting the fastener 10 during the friction welding process.
  • FIG. 2 shows a further embodiment of a fastening element 30 according to the invention.
  • the guide region 32 passes over into the flange 24 without any offset.
  • Fastener has on one side of the flange 34 has a connecting portion 36 and on the opposite side of the connecting portion a shaft 38.
  • the drive means are designed in the form of a toothing 35.
  • the fastening element 30 is described in more detail in a sectional view of this embodiment in Fig. 3a and 3b.
  • the necessary contact forces are transmitted via the plane, annular Axialdruck phenomenon 37.
  • FIG. 3a shows a sectional view of a fastening element 30 according to FIG.
  • Fastening element 30 has drive means 35, which are introduced in the form of recesses in the flange 34.
  • drive tool 50 On the drive tool 50 corresponding corresponding drive means 52 are formed for transmitting the rotational movement.
  • the drive tool 50 has a pressure piece 54.
  • the pressure piece 54 is responsible for the transmission of the contact pressure on the fastening element 30.
  • This has for this purpose an annular thrust surface 58, which merges into a conical guide surface 58.
  • the fastening element 30 is first encompassed by the drive means 35 during the feed process and then inserted with its guide region 32 into a corresponding receptacle of the pressure piece 54.
  • the Axial réelle structure 37 which is formed as an annular surface around the shaft, pressed by the annular Axial réelle Structure 56 in the mounting direction.
  • the fastener 30 is centered over the guide surfaces 34 and the corresponding tapered guide surface 58 of the drive tool 50. This ensures a smooth running of the fastening element 30, without resulting in wear due to the high contact pressures, since no contact force on the conical guide surface 58 of the
  • FIG. 3b shows the illustration after complete reception of the fastener in
  • Axialdruck resonance 56 of the pressure piece 54 results in a distance of the drive means 52 of the
  • the fastening element 80 has a guide region 82 which is arranged between the flange 84 carrying the drive means 84 and the connection region 88.
  • Embodiment already pre-assembled elements such as here a fastener 80, are mounted with a nut 92 on a component, which still a smooth-running stable attachment is possible.
  • FIG. 5a shows a fastening system 100 comprising a fastening element 102 and a tool 104 for fastening the fastening element 102.
  • the fastening element has a flange 106 with drive structures 108.
  • On the flange 106 is a
  • the fastening element 102 has a guide region with a guide surface 114 between its shaft 112 and the connection region 110. Femer points the fastening element 102 has an axial pressure surface 116. This cooperates with an axial pressure surface 118 of the tool 104 in order to transmit the contact pressure from the tool to the fastening element 102.
  • the guide surface 114 of the fastener 102 is parallel to
  • Fastener 102 is formed corresponding to the guide surface 120 of the tool as a conical recess.
  • Fastening element 102 is shown, the pressure force on the Axialdruck vom 1 16, 118 transferred to lie one above the other, wherein between the guide surfaces 120. 114 remains a small distance, which does not affect the Axial réelleübertragung, but a tilting of the fastener 102 from his Keeping rotation axis out within tight limits. This allows a particularly efficient and high-quality attachment can be achieved.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Insertion Pins And Rivets (AREA)

Abstract

L'invention concerne un élément de fixation (10) destiné à être raccordé à une pièce (12). L'élément de fixation (10) présente une collerette munie de structures d'entraînement, au niveau de la collerette est formée une zone de raccordement qui, sous l'effet de sa fusion, permet la fixation de l'élément de fixation à la pièce (12) par soudage par friction, et l'élément de fixation (10) présente une tige qui est agencée au niveau du côté de la collerette opposé à la zone de raccordement. L'élément de fixation (10) présente par ailleurs entre la tige et la zone de raccordement en direction axiale une zone de guidage qui comprend une surface de guidage qui comprend un segment de surface extérieure qui est associé à un cône s'élargissant en direction de la zone de raccordement. L'invention est caractérisée en ce que la zone de guidage présente une surface plane au niveau de son extrémité faisant face à la tige, l'étendue de la surface plane en direction radiale étant plus grande que le diamètre de la tige.
EP16705054.1A 2015-02-16 2016-02-03 Élément de fixation Withdrawn EP3259093A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015202776.7A DE102015202776A1 (de) 2015-02-16 2015-02-16 Befestigungselement
PCT/EP2016/052292 WO2016131655A1 (fr) 2015-02-16 2016-02-03 Élément de fixation

Publications (1)

Publication Number Publication Date
EP3259093A1 true EP3259093A1 (fr) 2017-12-27

Family

ID=55398261

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16705054.1A Withdrawn EP3259093A1 (fr) 2015-02-16 2016-02-03 Élément de fixation

Country Status (6)

Country Link
US (1) US20180036833A1 (fr)
EP (1) EP3259093A1 (fr)
JP (1) JP2018509299A (fr)
CN (1) CN107438493A (fr)
DE (1) DE102015202776A1 (fr)
WO (1) WO2016131655A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021122031A1 (fr) * 2019-12-19 2021-06-24 Ejot Gmbh & Co. Kg Élément de raccordement et outil servant à fixer un élément de raccordement sur un composant par soudage par friction

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10478916B2 (en) * 2017-11-02 2019-11-19 GM Global Technology Operations LLC Method and apparatus for joining components with friction pins
JP6988559B2 (ja) * 2018-02-23 2022-01-05 トヨタ自動車株式会社 接合装置
US20240117836A1 (en) * 2022-10-09 2024-04-11 Joseph Anthony Hauser Cut and compression device

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4850772A (en) * 1988-04-15 1989-07-25 Trw Inc. Friction-weldable stud
US5054980A (en) * 1990-09-28 1991-10-08 Trw Inc. Composite weldable stud and method of using same
DE9111565U1 (de) * 1991-09-17 1992-01-09 Emhart Inc., Newark, Del. Schweißbolzen
JP2002224854A (ja) * 2001-01-31 2002-08-13 Izumi Kogyo Kk 摩擦圧接方法及び摩擦圧接装置
DE102004034498A1 (de) * 2004-07-16 2006-02-16 Ejot Gmbh & Co. Kg Verfahren zum Reibschweißen von Bauteilen
DE202004014071U1 (de) 2004-09-09 2006-02-02 Ejot Gmbh & Co. Kg Befestigungselement zur Reibschweißverbindung mit einem flächigen Bauteil
DE102004034497A1 (de) * 2004-07-16 2006-02-16 Ejot Gmbh & Co. Kg Befestigungselement zur Reibschweißverbindung mit einem flächigen Bauteil
DE102006044378A1 (de) * 2006-09-20 2008-04-03 Ejot Gmbh & Co. Kg Befestigungselement für eine Reibschweißverbindung
DE102007021891A1 (de) * 2007-05-10 2008-11-13 Ejot Gmbh & Co. Kg Verfahren zur Herstellung einer Reibschweißverbindung und Gestaltung der Reibschweißverbindung
DE102008028687A1 (de) * 2008-06-17 2009-12-24 Ejot Gmbh & Co. Kg Reibschweißverbindung von mehreren aufeinanderliegenden flächigen Bauteilen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021122031A1 (fr) * 2019-12-19 2021-06-24 Ejot Gmbh & Co. Kg Élément de raccordement et outil servant à fixer un élément de raccordement sur un composant par soudage par friction

Also Published As

Publication number Publication date
DE102015202776A1 (de) 2016-08-18
CN107438493A (zh) 2017-12-05
WO2016131655A1 (fr) 2016-08-25
US20180036833A1 (en) 2018-02-08
JP2018509299A (ja) 2018-04-05

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