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WO2008138286A2 - Procédé pour installer un élément d'assemblage ou fonctionnel sur un matériau plat et élément d'assemblage ou fonctionnel utilise a cet effet - Google Patents

Procédé pour installer un élément d'assemblage ou fonctionnel sur un matériau plat et élément d'assemblage ou fonctionnel utilise a cet effet Download PDF

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Publication number
WO2008138286A2
WO2008138286A2 PCT/DE2008/000508 DE2008000508W WO2008138286A2 WO 2008138286 A2 WO2008138286 A2 WO 2008138286A2 DE 2008000508 W DE2008000508 W DE 2008000508W WO 2008138286 A2 WO2008138286 A2 WO 2008138286A2
Authority
WO
WIPO (PCT)
Prior art keywords
joining
rivet
section
opening
workpiece
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.)
Ceased
Application number
PCT/DE2008/000508
Other languages
German (de)
English (en)
Other versions
WO2008138286A3 (fr
Inventor
Heiko Schmidt
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of WO2008138286A2 publication Critical patent/WO2008138286A2/fr
Publication of WO2008138286A3 publication Critical patent/WO2008138286A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • F16B37/068—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 support, e.g. the sheet or plate

Definitions

  • the invention relates to a method according to the preamble of claim 1 or 8.
  • the invention further relates to a joining or functional element according to the preamble of claim 16.
  • the dome-like section is shaped back in such a way that the diameter of the joining opening in the flat material is reduced and its edge is pressed into the rivet collar to produce a radial pressure ring tension, specifically to achieve this an additional anchoring.
  • this known method requires a relatively expensive tool.
  • this method significantly improves the anchorage, i. In particular, the pull-out strength of the functional element in the workpiece or in the flat material is not achieved.
  • the object of the invention is to show a method which can be carried out with simplified means and still allows anchoring of functional elements in a flat material with high tear propagation resistance.
  • To solve this Task is a method according to claim 1 or 8 formed.
  • a joining or functional element is the subject of patent claim 16.
  • the attachment of the respective functional element on the flat material or on a workpiece made of the flat material for example, although also in such a way that the functional element is then in the range of a dome-like portion or at a base of such a section.
  • the deformed rivet collar is received in the recess formed by the dome-like portion and thus does not project beyond a surface side of the workpiece.
  • the functional element in which the functional element is inserted into a joining opening formed in the region of a dome-like section or at the base of such a section and then the riveting by shear riveting of the rivet section of the functional or joining element takes place, in any case no Deformation of the dome-like portion in such a way that the diameter of the joint opening is reduced.
  • the anchoring of the functional element takes place solely by riveting, ie by clamping the flat material in the edge region surrounding the joining opening and plastic or flowing deformation of the flat material in such a way that in addition to the clamping between the deformed Nietbund and the opposite end face of the joining element also anchoring by linking or constriction results.
  • the latter is achieved in that at least one region of the flat material or workpiece is formed between the deformed rivet collar and the contact surface opposite thereto, which has a reduced material thickness compared to at least one further region located further inwardly relative to the axis of the joining opening.
  • the linking is then carried out, for example, so that when riveting within a recess formed on the contact surface between the rivet and the periphery of the contact surface, for example within an annular groove by flowing the sheet of this material, an annular bead is produced with a material thickness which is greater than the material thickness of the clamped between the deformed Nietbund and the contact surface sheet.
  • the forming of the rivet collar receiving dome-like portion takes place during the joining and
  • Riveting process in such a way that in a first process step by pre-punching the joining opening is generated, that then after joining or inserting the rivet of the functional or joining element in the joining opening in a further process step by preforming or pre-embossing of the rivet is partially formed, so that the pre-formed rivet collar protrudes beyond the edge of the joining opening, that then formed in a third process step, a dome-shaped section in the region of the joint opening and the pre-formed Nietbundes that then take place in a fourth process step by final embossing the final riveting and forming the Nietbund, ie the riveting process initiated by preforming the rivet collar is completed.
  • the aforementioned method steps are carried out e.g. in chronological order.
  • flat material is to be understood as meaning a flat material made of a permanently deformable material, in particular of a metallic material, for example of steel, but also of workpieces produced from such a flat material.
  • joining element or “functional element” are in the context of the invention quite generally in such a sheet or workpiece to be fastened elements to understand, in particular, fasteners, such as nuts, bolts, etc.
  • Fig. 1 in a simplified representation of an inserted into an opening of a workpiece function or joining element in the form of a nut;
  • Fig. 2 is a representation as Figure 1, but after connecting the
  • FIG. 3 in a simplified representation of a plan view of the lower in the figure 1
  • FIG. 4 - 6 representations similar to Figures 1 and 2, but in a further embodiment of the invention.
  • Fig. 7 is a representation, similar to Figures 4 and 6 in another
  • 1 is a workpiece made of a metallic flat material, for example of sheet steel, in which a connecting or joining element 2 designed as a rivet nut is anchored by means of joining and shear riveting.
  • the workpiece 1 is provided with a joining opening 3, which is located on a base 4.1 of a dome-like section 4, which is made of the flat material of the workpiece 1 by permanent deformation with a 4.1 surrounding the base edge 4.2.
  • the dome-like section 4 is formed in the illustrated embodiment at its edge 4.2 frustoconical so that opens the corresponding cone angle to the plane of the base 4.1 out.
  • the rivet nut or the joining element 2 which is also made of a metallic, by shear rivets permanently deformable material, for example made of steel, essentially consists of a rivet nut body 5, which is formed in the illustrated embodiment is substantially circular cylindrical relative to a rivet nut axis NA and having a coaxially arranged with the axis NA, open at both ends bore 6 with female thread.
  • One of the two end faces of the body 5 forms an end-face abutment surface 5.1, against which the joining element 2 bears after riveting or joining with the workpiece 1 against the side of the base 4.1 facing away from the plane E2.
  • About the contact surface 5.1 is in not yet processed joining element 2 before a rivet section 8, which is hollow cylinder-like and the axis NA concentrically enclosing formed, with an outer diameter smaller than the outer diameter of the body 5.
  • the axial length of the rivet 8 is shown in the illustrated Embodiment smaller than the axial length of the body 5 and the distance between the contact surface 5.1 and the opposite end face 5.2 of the body fifth
  • annular groove 9 is introduced into the end face or contact surface 5.1, which surrounds the axis NA annularly.
  • the annular groove 9 is spaced from the outer edge 7, so that between the annular groove 9 and the outer edge 7, an annular surface 10 is formed, on which the contact surface 5.1 in the illustrated embodiment groove-shaped recesses 1 1, so that on the annular surface 10 for torque transmission between the Workpiece and anchored in the workpiece joining element 2 is a profiling consisting of the recesses 1 1 and formed therebetween protrusions.
  • the recesses 1 1 extend into the annular groove 9 and each extend to the outer edge 7.
  • the joining element with the rivet section 8 is inserted into the joining opening 3 in advance, in such a way that the rivet section 8 with its ends remote from the body 5 extends into the interior of the dome-like section 4 and the contact surface 5.1 abuts against the plane E2 facing away from the base 5.1.
  • Rivet section 8 After inserting the rivet section 8 in the joint opening 3 by anchoring the anchoring of the joining element 2 in the workpiece 1.
  • Nietbund 8.1 generates, but at the same time the material of the workpiece 1 in the region of the joint opening 3 is permanently or plastically deformed by partially tiling this material so that a the opening 3 enclosing, recorded in the annular groove 9 and also slightly above the plane forming the upper side of the base 4 projecting annular bead 12 with increased material thickness, in particular with a material thickness which is greater than the distance that the deformed Nietbund 8.1 from the opposite annular surface 10, so that formed on the within the annular groove 9 and between the deformed Rivet collar 8.1 and the opposite ring surface 10 clamped bead 10 results in a high pull-out strength for the anchored in the workpiece joining element 2, not only by the link 12 produced in the region of
  • the reduced diameter portion 8 is further received in the interior of the dome-like portion 4, namely such that neither the remaining rivet section 8 nor the rivet collar 8.1 formed by shear rivets project beyond the underside of the workpiece 1.
  • FIGS. 4 to 6 show a method in which, however, the dome-like section 4 is inserted only after the insertion of the joining element 2 into the joining opening 3 and during the
  • Riveting process is produced, but again in the form that when riveting the recorded in the annular groove 9 and the periphery or edge of the joining element 2 and the Fügeelement stressess 5 between the deformed Nietbund 8.1 and the opposite annular surface 10 constricted, surrounding the joint opening 3 Bead 12 trains.
  • FIG. 7 shows a joining element 2a on the left before and on the right after joining to the workpiece 1.
  • the joining element 2a differs from the joining element 2 in that it is profiled on the outer surface of the section 8 at 13, ie for example parallel to the axis NA extending ribs or projections, which after the final riveting in the material of the component. 1 are pressed, in particular auc in the area of the rivet collar 8.1 and thereby secure the riveted joining element 2a very effective against rotation.
  • joining element 2 is a rivet nut.
  • other embodiments of the joining element are conceivable, for example in the form of a different type of connecting element, such as. a Bozen, also threaded bolt etc.
  • the joining element 2a with the profiling 13 has been described above in a method in which the section 8 is completely deformed into the rivet collar 8.1.
  • the joining element can also be used in a method in which the rivet collar is produced by shear riveting.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Plates (AREA)
  • Insertion Pins And Rivets (AREA)

Abstract

L'invention concerne un procédé pour installer un élément fonctionnel ou d'assemblage sur un matériau plat ou un outil déformables de manière élastique, l'élément fonctionnel présentant une partie à rivets faisant saillie au-dessus de la surface d'appui, l'installation de l'élément fonctionnel sur le matériau plat selon un processus d'assemblage et de rivetage, comprenant l'introduction de la partie dans un orifice d'assemblage et la déformation plastique de la partie à rivets dans une fixation à rivets entrant en prise avec l'orifice d'installation, de sorte que le matériau plat peut être encastré dans une partie périphérique entourant l'orifice d'assemblage, entre la fixation à rivets déformée et la surface d'appui de l'élément fonctionnel.
PCT/DE2008/000508 2007-05-14 2008-03-26 Procédé pour installer un élément d'assemblage ou fonctionnel sur un matériau plat et élément d'assemblage ou fonctionnel utilise a cet effet Ceased WO2008138286A2 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102007022907.2 2007-05-14
DE102007022907 2007-05-14
DE102008010868 2008-02-25
DE102008010868.5 2008-02-25

Publications (2)

Publication Number Publication Date
WO2008138286A2 true WO2008138286A2 (fr) 2008-11-20
WO2008138286A3 WO2008138286A3 (fr) 2009-05-14

Family

ID=39666156

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2008/000508 Ceased WO2008138286A2 (fr) 2007-05-14 2008-03-26 Procédé pour installer un élément d'assemblage ou fonctionnel sur un matériau plat et élément d'assemblage ou fonctionnel utilise a cet effet

Country Status (1)

Country Link
WO (1) WO2008138286A2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102174941A (zh) * 2011-03-24 2011-09-07 贵州航天精工制造有限公司 一种钢板铆装尼龙自锁螺母的连接方法及结构
CN109570369A (zh) * 2018-10-10 2019-04-05 上海奥林汽车配件有限公司 一种改善螺母铆接性能的工艺

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1579875A (en) * 1924-03-24 1926-04-06 Briggs Mfg Co Snap-on nut
DE4410475A1 (de) * 1994-03-25 1995-09-28 Profil Verbindungstechnik Gmbh Vernietbares Element, Zusammenbauteil mit einem vernietbaren Element sowie Nietmatrize und Verfahren zur Herstellung des Zusammenbauteils
US5251370A (en) * 1991-10-31 1993-10-12 Profil Verbindungstechnik Gmbh & Co. Method of attaching a fastening element to a panel
DE20215488U1 (de) * 2002-10-09 2002-12-12 Stolfig, Peter, 85290 Geisenfeld Mutterbefestigung mit einem Magnesiumplatinenteil oder Magnesium-Legierungsblechteil
DE102004031379A1 (de) * 2003-07-25 2005-02-10 Profil Verbindungstechnik Gmbh & Co. Kg Verfahren zur Anbringung eines Funktionselementes an ein Bleichteil sowie Zusammenbauteil
US8156631B2 (en) * 2005-12-09 2012-04-17 Heiko Schmidt Process for attaching a functional element to a flat material and a connection between a functional element and a flat material

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102174941A (zh) * 2011-03-24 2011-09-07 贵州航天精工制造有限公司 一种钢板铆装尼龙自锁螺母的连接方法及结构
CN109570369A (zh) * 2018-10-10 2019-04-05 上海奥林汽车配件有限公司 一种改善螺母铆接性能的工艺

Also Published As

Publication number Publication date
WO2008138286A3 (fr) 2009-05-14

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