WO2009077217A1 - Procédé de rivetage et soudage - Google Patents

Procédé de rivetage et soudage Download PDF

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Publication number
WO2009077217A1
WO2009077217A1 PCT/EP2008/063406 EP2008063406W WO2009077217A1 WO 2009077217 A1 WO2009077217 A1 WO 2009077217A1 EP 2008063406 W EP2008063406 W EP 2008063406W WO 2009077217 A1 WO2009077217 A1 WO 2009077217A1
Authority
WO
WIPO (PCT)
Prior art keywords
component
rivet
welding
dome
welding rib
Prior art date
Application number
PCT/EP2008/063406
Other languages
German (de)
English (en)
Inventor
Gernot GÜRICH
Original Assignee
Faurecia Innenraum Systeme 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 Faurecia Innenraum Systeme Gmbh filed Critical Faurecia Innenraum Systeme Gmbh
Publication of WO2009077217A1 publication Critical patent/WO2009077217A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
    • B29C65/081—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations having a component of vibration not perpendicular to the welding surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/56—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
    • B29C65/60—Riveting or staking
    • B29C65/606—Riveting or staking the rivets being integral with one of the parts to be joined, i.e. staking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/56—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
    • B29C65/60—Riveting or staking
    • B29C65/606—Riveting or staking the rivets being integral with one of the parts to be joined, i.e. staking
    • B29C65/607—Riveting or staking the rivets being integral with one of the parts to be joined, i.e. staking the integral rivets being hollow
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81411—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat
    • B29C66/81421—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being convex or concave
    • B29C66/81423—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being convex or concave being concave
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/832—Reciprocating joining or pressing tools
    • B29C66/8322—Joining or pressing tools reciprocating along one axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0065—Permeability to gases
    • B29K2995/0067—Permeability to gases non-permeable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0068—Permeability to liquids; Adsorption
    • B29K2995/0069—Permeability to liquids; Adsorption non-permeable

Definitions

  • the invention relates to a method for rivet welding two components.
  • plastic parts are nowadays preferably riveted together.
  • Corresponding riveting methods have in common that two components which are to be riveted together are pressed against one another only by a rivet head, which was produced, for example, by means of an ultrasound sonotrode. This has the disadvantage that, for example due to temperature fluctuations and twisting occurring, the two riveted parts still have a certain freedom of movement against each other, which in particular can lead to unpleasant friction noise, vibration and leaks to gases and liquids.
  • DE 101 24 920 A1 discloses a stand-rivet method in which, with the aid of ultrasound, the part to be joined is adhesively connected to the connecting element.
  • DE 199 24 623 A1 discloses a method for controlling and regulating process parameters in an ultrasonic welding device, wherein the molten material undergoes a material-locking connection with the welding material during ultrasonic riveting.
  • DE 202 066 83 describes a component connection for connecting a functional element of a motor vehicle door to a part of a partition wall of the motor vehicle door using a rivet shank, wherein the rivet shank forms a rivet head by heating.
  • the aim of the present invention is to provide an improved method for rivet welding two components.
  • a method for rivet-welding a first component to a second component, the first component having a rivet dome, the second component having an opening for receiving the rivet dome, and the second component having at least one welding rib on the side facing away from the first component has, wherein the welding rib is arranged at the opening of the second component.
  • the method comprises the step of inserting the rivet dome of the first component into the opening of the second component, wherein the rivet mandrel is inserted from the side of the second component facing away from the welding rib.
  • the application of a sonotrode on the rivet dome and the formation of a cohesive connection between the rivet dome and the welding rib by welding together by means of the sonotrode takes place.
  • the inventive method has the advantage that the first and the second component are connected to each other so that a relative movement of the two components to each other is no longer possible.
  • the welding rib it is ensured that in a defined manner a cohesive connection between the first and second component is achieved, so that in the manufacture of jointly formed by welding ribs and Nietdom rivet head, the mechanical integrity of the second component is not affected. If the weld rib were missing here, this could lead to a material weakening of the second component in the region of the trained rivet head, which could lead to a rupture of the rivet dome in the region of the rivet weld under load.
  • the rivet dome after insertion into the opening of the second component, projects beyond the welding rib in the direction of extent of the Rivet dome. This ensures that sufficient material of the rivet dome is available and thus a large-area welding of the rivet dome with the welding ribs is possible.
  • the material of the rivet dome and the welding ribs form a homogeneous mass welded together.
  • the first component has an abutment, wherein the abutment is provided for supporting the second component, wherein in the rivet welding, the first and the second component are pressed against each other.
  • the use of an abutment has the advantage that a relative movement of the first and second component in the direction of extension of the rivet dome is excluded because no longer such a degree of freedom by the cohesive connection between the rivet and the nip and the additional pressing of the second component to the abutment is available. This further increases the overall stability of the components welded together.
  • the welding rib completely surrounds the rivet dome after insertion of the rivet dome into the opening of the second component.
  • the rivet dome is pin-shaped or cuboidal. It is also possible that the rivet dome can be designed as a solid material or hollow material. According to one embodiment of the invention, the edges of the rivet dome have a chamfer. Alternatively, the end of the rivet dome is rounded off. In addition, the sonotrode preferably has a concave shape, wherein the rounding of the rivet dome end or the bevel for positive reception by the sonotrode is formed. This has the advantage that after placement of the sonotrode due to the large-area contact between the sonotrode and rivet dome due to the beveled edges can be done in a very quick way, a melting of the rivet dome. The same applies to the welding rib, the horizontal edges also preferably have a bevel.
  • the end of the rivet mandrel in the case of a rounding is preferably designed so that the rounding of the rivet dome has an equal or greater curvature than the concave shape of the sonotrode. This ensures optimum surface contact between the sonotrode and the rivet end.
  • the sonotrode covers the welding rib and the rivet dome. This is done in a uniform manner a melting of the welding rib and rivet, whereby a homogeneous welding of the two components is possible.
  • the rivet dome is melted by the sonotrode in time before the welding rib.
  • the fused dome of the rivet dome forms a liquid mass which seals the weld rib during the welding operation covered.
  • the rivet dome and the welding rib are formed from the same plastic material.
  • the first and second components are injection-molded parts.
  • the first and second components are parts of an instrument panel of a motor vehicle.
  • 1a and 1b a schematic view of two components to be connected to the method according to the invention for rivet welding;
  • FIG. 2 shows a further schematic view of two components to be connected with the method according to the invention for rivet welding
  • Rivet welding a first component with a second component Rivet welding a first component with a second component.
  • FIG. 1a shows a schematic view of two components to be connected, namely the component 100 and the component 102.
  • the component 100 has a rivet dome 106
  • the second component 102 has an opening 104 for receiving the rivet dome 106.
  • the second component 102 has two welding ribs 108 on the side facing away from the first component 100, wherein the two welding ribs 108 are arranged on the opening 104 of the second component 102.
  • the first component 100 has an abutment 118, wherein the abutment 118 is provided for supporting the second component 102.
  • a sonotrode 114 is pressed in the direction 110 from above onto the welding dome 106. By relative movements of the sonotrode 114 with respect to the welding dome 106 in the ultrasonic range, for example in the direction 112, the welding dome 106 begins to melt.
  • the sonotrode 114 spatially covers both the welding ribs 108 and the rivet dome, after the rivet mandrel 106 has melted, the sonotrode 114 will also come into contact with the welding ribs 108, which subsequently also melt kick off.
  • the melt resulting from the rivet dome 106 and the melt resulting from the welding ribs 108 run into one another, resulting in a homogeneous mass in the form of a rivet head after removal of the sonotrode 114 and cooling of the melt which integrally connects the first component 100 and the second component 102 in the opening region 104 on the side of the second component facing away from the first component.
  • FIG. 1b shows the components of FIG. 1a to be welded together after the rivet welding process.
  • FIG. 1b shows the components of FIG. 1a to be welded together after the rivet welding process.
  • FIG. 1b shows the components of FIG. 1a to be welded together after the rivet welding process.
  • FIG. 1b shows the components of FIG. 1a to be welded together after the rivet welding process.
  • the mushroom-like fusion of the originally existing rivet dome 106 and the welding ribs 108 whereby an integral material connection between the first component 100 and the second component 102 was created in the regions 120, the former region of the welding ribs 108.
  • there is only a loose contact between the first component 100 and the second component 102 in the region 118 since in this region 118 only the first and second components are pressed against one another.
  • FIG. 2 shows a further schematic view of two components to be connected.
  • the welding ribs 108 are again shown by way of example, which surround the rivet dome 106 on the left and on the right.
  • the welding ribs 108 completely surround the rivet dome 106, so that after a welding process in the radial direction to the rivet dome 106 a complete welding of the rivet dome and the welding ribs is present. This gas and liquid tightness is achieved, so that the opening 104 is completely closed by the forming rivet head. This can be forgiven for additional sealing elements. be.
  • Decisive in the embodiment of Figure 2 is now that a rounding or beveling of the edges of the Nietdomendes is given.
  • a bevel 200 of the rivet dome end is shown in FIG. 2, but preferably all edges 202 and 206 of the weld ribs 108 and all edges 204 of the rivet dome 106 are provided with such bevels or fillets. This ensures that, as already described above, there is an optimum contact action between the sonotrode surface, the rivet dome and the welding ribs.
  • FIG. 3 shows a flow chart of the method according to the invention for rivet welding a first component to a second component.
  • the first and second components are provided.
  • the first component has a rivet dome and the second component has an opening for receiving the rivet dome.
  • the second component has on the side facing away from the first component at least one welding rib, wherein the welding rib is arranged at the opening of the second component.
  • step 302 the insertion of the rivet dome of the first component in the opening of the second component, wherein the rivet dome is used from the side facing away from the welding rib side of the second component from.
  • step 304 the sonotrode is applied to the rivet dome, thereby resulting in an ablation of the rivet mandrel in step 306 by an ultrasonic welding process. Since the rivet dome preferably projects beyond the welding rib in the direction of extension of the rivet dome, the rivet dome first melts. After the rivet dome has melted so far that the sonotrode now also touches the welding rib, a further melting of the welding rib takes place, which ultimately results in a joint welding of rivet dome and welding rib. By the welded material, the first and second components are integrally connected to each other, wherein this compound has the shape of a rivet head.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Plates (AREA)

Abstract

L'invention concerne un procédé de rivetage et soudage d'une première pièce (100) avec une deuxième pièce, sachant : que la première pièce (100) présente un dôme de rivet (106) ; que la deuxième pièce (102) présente une ouverture (104) pour recevoir le dôme de rivet (106) ; que la deuxième pièce (102) présente, sur le côté opposé à la première pièce, au moins une ailette de soudure (108) ; et que l'ailette de soudure (108) est disposée sur l'ouverture (104) de la deuxième pièce (102). Le procédé comprend les étapes suivantes : insertion du dôme de rivet (106) de la première pièce (100) dans l'ouverture (104) de la deuxième pièce (102), le dôme de rivet (106) étant inséré par le côté de la deuxième pièce (102) qui est opposé à l'ailette de soudure (108) ; mise en place d'une sonotrode (114) sur le dôme de rivet ; réalisation d'une liaison de matière entre le dôme de rivet (106) et l'ailette de soudure (108) par soudage conjoint au moyen de la sonotrode (114).
PCT/EP2008/063406 2007-12-18 2008-10-07 Procédé de rivetage et soudage WO2009077217A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007055856.4 2007-12-18
DE102007055856A DE102007055856A1 (de) 2007-12-18 2007-12-18 Nietschweißverfahren

Publications (1)

Publication Number Publication Date
WO2009077217A1 true WO2009077217A1 (fr) 2009-06-25

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2008/063406 WO2009077217A1 (fr) 2007-12-18 2008-10-07 Procédé de rivetage et soudage

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DE (1) DE102007055856A1 (fr)
WO (1) WO2009077217A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3108552A1 (fr) 2020-03-24 2021-10-01 Smrc Automotive Holdings Netherlands B.V. Procédé de réalisation d’un point d’assemblage verrouillé et point d’assemblage résultant

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FR2971191B1 (fr) * 2011-02-07 2014-03-21 Faurecia Interieur Ind Procede d'assemblage d'au moins deux pieces en matiere plastique l'une a l'autre.
DE102011108707A1 (de) * 2011-07-27 2013-01-31 Volkswagen Aktiengesellschaft Außenspiegeleinheit für ein Fahrzeug und Verfahren zum Zusammenbau der Außenspiegeleinheit
FR2997261B1 (fr) * 2012-10-23 2014-11-21 Valeo Sys Controle Moteur Sas Boitier comprenant un bouterollage etanche
EP2886305B1 (fr) 2013-12-20 2018-05-30 LANXESS Deutschland GmbH Procédé de jonction

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WO2007085560A2 (fr) * 2006-01-26 2007-08-02 Faurecia Innenraum Systeme Gmbh Procédé de soudage par ultrasons et module, en particulier module de portière de véhicule automobile
US20070283547A1 (en) * 2006-05-31 2007-12-13 Denslow Clark A Aligner for use with a staked fastener
WO2007141454A1 (fr) * 2006-06-09 2007-12-13 Compagnie Plastic Omnium Ensemble d'un pistolet de soudure et de son systeme de controle, sonotrode pour pistolet de soudure
EP2020285A2 (fr) * 2007-07-28 2009-02-04 Dr. Ing. h.c. F. Porsche Aktiengesellschaft Agencement de composant

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Publication number Priority date Publication date Assignee Title
WO2007085560A2 (fr) * 2006-01-26 2007-08-02 Faurecia Innenraum Systeme Gmbh Procédé de soudage par ultrasons et module, en particulier module de portière de véhicule automobile
US20070283547A1 (en) * 2006-05-31 2007-12-13 Denslow Clark A Aligner for use with a staked fastener
WO2007141454A1 (fr) * 2006-06-09 2007-12-13 Compagnie Plastic Omnium Ensemble d'un pistolet de soudure et de son systeme de controle, sonotrode pour pistolet de soudure
EP2020285A2 (fr) * 2007-07-28 2009-02-04 Dr. Ing. h.c. F. Porsche Aktiengesellschaft Agencement de composant

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3108552A1 (fr) 2020-03-24 2021-10-01 Smrc Automotive Holdings Netherlands B.V. Procédé de réalisation d’un point d’assemblage verrouillé et point d’assemblage résultant

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