WO2011042326A1 - Anchor and method for mounting an anchor in a lightweight building board - Google Patents

Anchor and method for mounting an anchor in a lightweight building board Download PDF

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Publication number
WO2011042326A1
WO2011042326A1 PCT/EP2010/064247 EP2010064247W WO2011042326A1 WO 2011042326 A1 WO2011042326 A1 WO 2011042326A1 EP 2010064247 W EP2010064247 W EP 2010064247W WO 2011042326 A1 WO2011042326 A1 WO 2011042326A1
Authority
WO
WIPO (PCT)
Prior art keywords
sleeve
cover plate
dowel
bolt
anchor
Prior art date
Application number
PCT/EP2010/064247
Other languages
German (de)
French (fr)
Inventor
Uwe Sobolewski
Oliver Schael
Original Assignee
Hettich-Heinze Gmbh & 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 Hettich-Heinze Gmbh & Co. Kg filed Critical Hettich-Heinze Gmbh & Co. Kg
Publication of WO2011042326A1 publication Critical patent/WO2011042326A1/en

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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
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/01—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening elements specially adapted for honeycomb panels
    • 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
    • B29C65/567—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits using a tamping or a swaging operation, i.e. at least partially deforming the edge or the rim of a first part to be joined to clamp a second part to be joined
    • B29C65/568—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits using a tamping or a swaging operation, i.e. at least partially deforming the edge or the rim of a first part to be joined to clamp a second part to be joined using a swaging operation, i.e. totally deforming the edge or the rim of a first part to be joined to clamp a second part to be joined
    • 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
    • B29C65/64—Joining a non-plastics element to a plastics element, e.g. by force
    • B29C65/645—Joining a non-plastics element to a plastics element, e.g. by force using friction or 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • 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
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • 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
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/114—Single butt joints
    • 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
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/13—Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
    • B29C66/131—Single flanged joints, i.e. one of the parts to be joined being rigid and flanged in the joint area
    • B29C66/1312—Single flange to flange joints, the parts to be joined being rigid
    • 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
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
    • B29C66/21—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being formed by a single dot or dash or by several dots or dashes, i.e. spot joining or spot welding
    • 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
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
    • B29C66/23—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being multiple and parallel or being in the form of tessellations
    • B29C66/232—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being multiple and parallel or being in the form of tessellations said joint lines being multiple and parallel, i.e. the joint being formed by several parallel joint lines
    • 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
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/302—Particular design of joint configurations the area to be joined comprising melt initiators
    • B29C66/3022—Particular design of joint configurations the area to be joined comprising melt initiators said melt initiators being integral with at least one of the parts to be joined
    • 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
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/47—Joining single elements to sheets, plates or other substantially flat surfaces
    • B29C66/474—Joining single elements to sheets, plates or other substantially flat surfaces said single elements being substantially non-flat
    • 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
    • B29C66/53—Joining single elements to tubular articles, hollow articles or bars
    • 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
    • B29C66/63—Internally supporting the article during joining
    • 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
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/725—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being hollow-walled or honeycombs
    • B29C66/7252—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being hollow-walled or honeycombs hollow-walled
    • 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
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/725—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being hollow-walled or honeycombs
    • B29C66/7252—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being hollow-walled or honeycombs hollow-walled
    • B29C66/72525—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being hollow-walled or honeycombs hollow-walled comprising honeycomb cores
    • 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
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
    • 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
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/74—Joining plastics material to non-plastics material
    • B29C66/748—Joining plastics material to non-plastics material to natural products or their composites, not provided for in groups B29C66/742 - B29C66/746
    • B29C66/7487—Wood
    • 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
    • B29C66/81—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
    • B29C66/81427—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 comprising a single ridge, e.g. for making a weakening line; comprising a single tooth
    • B29C66/81429—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 comprising a single ridge, e.g. for making a weakening line; comprising a single tooth comprising a single tooth
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • 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
    • B29C66/81431—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 comprising a single cavity, e.g. a groove
    • 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
    • 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
    • F16B12/00—Jointing of furniture or the like, e.g. hidden from exterior
    • F16B12/10—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like
    • F16B12/12—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like for non-metal furniture parts, e.g. made of wood, of plastics
    • F16B12/24—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like for non-metal furniture parts, e.g. made of wood, of plastics using separate pins, dowels, or the like
    • 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
    • F16B37/12—Nuts or like thread-engaging members with thread-engaging surfaces formed by inserted coil-springs, discs, or the like; Independent pieces of wound wire used as nuts; Threaded inserts for holes
    • F16B37/122—Threaded inserts, e.g. "rampa bolts"
    • 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
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • 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
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
    • B29C66/73921—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/737—Articles provided with holes, e.g. grids, sieves

Definitions

  • the present invention relates to a dowel for insertion into a lightweight panel according to the preamble of claim 1, a lightweight board and a method for mounting a dowel in a lightweight panel.
  • the lightweight board consists of two cover plates and an intermediate middle layer.
  • a hole is made in one of the two cover plates, which extends as far as the second cover plate but does not penetrate it. Then the dowel is inserted into this hole.
  • it is known, for example from DE 10 2005 060 528 A1, to weld the anchor made of a thermoplastic by ultrasound in the lightweight board. To weld the dowels shown there, a high energy input is necessary in order to allow a fusion of a part of the dowel outer surface with the cover plates.
  • Object of the present invention is to provide a dowel and a method for mounting a dowel, with which the thermal load of the components can be further reduced and with a defined proceedingsngewwei- tion is made possible.
  • the frontal end of the dowel which faces the perforated cover plate opposite cover plate of the lightweight board, on ceremonitizbare energy directors on.
  • the energy directors concentrate the energy transferred to the dowel over a small area, which results in a defined melting of the dowel at certain points on the dowel
  • the dowel is formed in two parts as a sleeve with a fixable in the sleeve bolt, the Energyrich- donors are at least provided on the cover plate opposite the pierced cover plate facing end side of the sleeve.
  • the two-part design of an anchor makes it possible that in the method according to the invention in a first step, a first sonotrode can be inserted into the sleeve to perform an application of ultrasound to the sleeve only in the area of the sleeve bottom and thereby the thermal load of the sleeve to reduce.
  • the insertable into the sleeve bolt consists in a variant of an insertable into the sleeve bolt rod and an attachable on the open end of the sleeve bolt head, wherein the base of the bolt head of
  • Base surface of the sleeve corresponds and the bolt head is ultrasonically welded in the mounted state of the anchor with the sleeve.
  • the bolt head is formed on its underside facing the open end side of the sleeve with several reflow stages, so that the thickness of the Botzenkopfes increases radially to the bolt rod. This ensures that the outer stage and the edge of the sleeve are first melted by the application of ultrasound before a step located further in the interior comes into contact with the inner surface of the sleeve and so the already melted edge of the sleeve can be pushed outwards, so that there is a positive undercut and optionally a fusion between the edge of the sleeve and the upper cover layer.
  • the open end of the dowel protrudes from the outer surface of the cover plate provided with the bore. This makes it possible, by fitting suitably shaped sonotrodes, to form a connecting part which positively holds the upper cover layer.
  • FIG. 1 shows a schematic perspective view of a lightweight building board with an inventive dowel to be inserted therein;
  • FIG. 2 shows a schematic sectional view of an exemplary embodiment of a two-part anchor according to the invention
  • FIGS. 3 and 4 show detail enlargements of the region of FIG. 2 designated by A after or before exposure to ultrasound
  • FIG. 5 shows an enlarged detail of the area designated by B in FIG. 2,
  • Figure 6 is a sectional view of a sleeve with inserted first
  • Figure 7 is a sectional view of a sleeve with inserted bolt and mounted on the bolt head sonotrode,
  • FIG. 8 a sectional view of a further exemplary embodiment of an integrally formed plug prior to the application of ultrasound
  • FIG. 9 shows the embodiment of the plug shown in FIG. 8 with the first sonotrode inserted
  • FIG. 10 shows the embodiment shown in FIG. 8 with the second sonotrode attached
  • FIG. 1 shows a lightweight building panel 1 which, in a manner known per se, consists of a first and a second cover plate 3, 4 and a middle layer 6 arranged therebetween.
  • the middle layer 6 can be embodied as a honeycomb or a similar structure and can differ in its chemical and / or physical property of the cover plates.
  • Lightweight panels which are used for example in furniture construction, often have a lower density for their middle layers than the cover plates 3,4.
  • the two cover plates 3, 4 may for example be made of wood or a wood-like material or of a thermoplastic.
  • a bore 5 for receiving a designated by the reference numeral 2 anchor is introduced in the upper of the two cover plates 4, a bore 5 for receiving a designated by the reference numeral 2 anchor is introduced.
  • the dowel 2 is preferably made of a thermoplastic such as polyoxymethylene (POM) or polyamide (PA).
  • the open end side of the dowel 2 is preferably provided with a channel 7, which is formed for example as Einschraubkanal and for receiving a fastening screw (not shown).
  • the dowel 2 is ultrasonically welded to the lightweight panel 1.
  • dowel 2 consisting of an outer sleeve 8 and an insertable into the sleeve 8 bolts 9, on a front side, the pierced cover plate 4 opposite cover plate 3 facing end of the plug 2 fusible energy directors 12 is formed.
  • the bolt 9 consists of an insertable into the sleeve 8 bolt rod 10 and an attachable to the open end of the sleeve 8 bolt head 11th
  • a sonotrode 13 is placed on the bolt head 11 to apply ultrasound to the sleeve.
  • the ultrasound transmitted to the bolt via the sonotrode 13 initially causes a melting of a contact region between sleeve 8 and pin 9 in the region of the open end of the sleeve 8.
  • the open end side of the sleeve 8 facing bottom of the bolt head 1 1 is formed with a plurality of Aufschmelz processn 14, 15.
  • the inner edge of the open end of the sleeve 8 is provided with a chamfer. If the bolt 9 is introduced into the sleeve 8, then the bolt 9 rests with the radially outer reflow stage 14 on the chamfered end of the sleeve 8, in order to ensure that this contact area is initially melted when the plug 2 is subjected to ultrasound, before the chamfered surface 16 of the sleeve 8 comes into contact with the further inside step 15 of the bolt head 11 and also melts.
  • the pin 9 is pressed further into the sleeve 8, so that the molten material is pressed in the wall region of the open end of the sleeve 8 to the outside, so that forms a positive undercut 22 at the open end of the sleeve 8.
  • This undercut 22 extends radially from the bore 5 in the upper cover plate 4 over the edge of the bore 5 on the lower cover plate 3 facing side of the upper cover plate 4 and thus prevents movement of the dowel 2 from the bore 5 out.
  • the end position and final design of the anchor 2 is shown in FIG. Furthermore, it can be seen in FIG.
  • a crimp seam 21 has formed in the area of contact between sleeve 8 and pin 9, with which pin 9 is securely welded to sleeve 8. If between the lateral surface of the bolt head 1 and the upper cover plate 4 after insertion of the sleeve 8 and the bolt 9 still a certain amount of play was present, this is at least partially also filled by the crimp 21.
  • the sleeve bottom facing end face of the bolt 9 is also provided with energy directors 18 to fix the bolt 9 in the sleeve 8 in this area and the strength of the connection between Bolt and sleeve continue to increase.
  • the assembly of the anchor 2 in the lightweight panel 1 can be done in a preferred embodiment by inserting the anchor 2 in the bore 5 in the cover plate 4 and subsequent application of the anchor 2 with ultrasound through the sonotrode 13, as shown in Figure 2.
  • the dowel 2 is subjected to ultrasound, as described above, the dowel 2 is welded to the cover plate 3 opposite the pierced cover plate 4 by melting the energy directors 12 present at the front end of the dowel 2.
  • the sleeve 8 is inserted into the bore 5 in the cover plate 4 and subsequently a sonotrode 19 is inserted into the sleeve 8 so that the active surface of the sonotrode 19 contacts the sleeve bottom of the sleeve 8 and so on an ultrasonic impingement of the sleeve 8 in the immediate vicinity of the energy directors 12 takes place.
  • the bolt 9 is inserted into the sleeve 8 and the sonotrode 13 from above on the
  • connection between the dowel 2 and the upper covering layer 4 of the lightweight building board 1 is realized by ultrasound riveting or ultrasound riveting.
  • a one-piece dowel is used in a first variant, which consists essentially only of a sleeve 8 ', to which for welding to the lower cover plate 3 energy directors 12 are arranged on the lower cover plate facing the front side of the dowel 8'.
  • the sleeve 8 ' is formed in its not yet deformed initial shape so long that it protrudes a little way from the upper cover plate 4 after insertion into the bore 5 of the upper cover plate 4.
  • the sonotrode 19 is inserted into the sleeve 8 'and subjected to ultrasound in order to establish a connection between the sleeve 8' and the lower cover plate 3.
  • an undercut 22' is formed in this step between the sleeve 8 'and the upper cover plate 4, formed in this step between the sleeve 8 'and the upper cover plate 4, an undercut 22'.
  • a second step the sleeve 8 'is acted upon from above by a sonotrode 13', which is shaped in such a way that the part 23 'of the sleeve 8' projecting beyond the upper cover plate 4 is deformed in such a way that a positive connection is formed - Formation between the sleeve 8 ⁇ the undercut 22 'and the intermediate upper cover plate 4 results.
  • the dowel 2' is designed as a solid component into which an inlet channel 7 for a fastening element ⁇ not shown) is embedded from above. To fix this dowel 2 'is in a first step, the dowel 2' via a
  • Sonotrode 13 is subjected to ultrasound, so that it comes to form a weld 20 with the lower cover plate 3 and an undercut 22 "to the upper cover plate 4.
  • the sleeve is in turn acted upon by a sonotrode 13" with ultrasound, so that in this case, a beading of the edge 23 "projecting beyond the upper cover plate occurs and thus a positive fit of the dowel 2 'with the upper cover layer 4.
  • the sonotrode 13" is designed such that the inlet channel 7 remains excluded from deformation.
  • the plug is designed as a solid component, on whose lower cover plate 3 facing end side of the plug 2 "turn the Energyrich- donors 12 are formed and on the opposite end face centrally protrudes a web 24 which protrudes outwardly in the inserted state in the bore 5 of the upper cover plate 4 on the upper cover plate 4.
  • a furniture fitting 25 is pre-assembled and then placed on the furniture fitting 25, a first sonotrode 13 "' The ultrasound is transmitted to the dowel 2 "via the furniture fitting 25.
  • a first sonotrode 13"' can be placed, in which the dowel 2 "is formed with the lower cover plate 3 a weld 20.
  • this web 24 is then replaced by A ufêt a second sonotrode 13 "” transformed so that the furniture fitting 25 riveted to the dowel 2 ".

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Connection Of Plates (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Standing Axle, Rod, Or Tube Structures Coupled By Welding, Adhesion, Or Deposition (AREA)

Abstract

The invention relates to an anchor (2, 2', 2'') for a fixing element for insertion into a lightweight building board (1) which comprises a first and a second outer plate (3, 4) and an intermediate layer (6) lying in between. The anchor (2, 2', 2'') consists at least partially of a thermoplastic material and can be fixed in the lightweight building board by way of ultrasonic welding. In the mounted state, the anchor passes through a bore (5) in an outer plate (4) and with the end face rests on the outer plate (3) lying opposite the bored-through outer plate (4). The end face of the anchor (2, 2', 2'') facing the outer plate (3) lying opposite the bored-through outer plate (4) comprises energy directors (12) capable of being fused by applying ultrasound. The invention further relates to a lightweight building board and a method for mounting an anchor in a light-weight building board.

Description

Dübel und Verfahren zur Montage eines Dübels in eine Leichtbauplatte  Dowels and method for mounting a dowel in a lightweight board
Die vorliegende Erfindung betrifft einen Dübel zum Einsetzen in eine Leichtbau- platte gemäß dem Oberbegriff des Anspruchs 1 , eine Leichtbauplatte und ein Verfahren zur Montage eines Dübels in eine Leichtbauplatte. The present invention relates to a dowel for insertion into a lightweight panel according to the preamble of claim 1, a lightweight board and a method for mounting a dowel in a lightweight panel.
Solche an sich aus dem Stand der Technik bekannten Dübel dienen dazu, Beschlagteile oder dergleichen an einer Leichtbauplatte festlegen zu können, wobei die Belastungen in dem Verbindungsbereich in der Regel statisch und relativ klein sind. Die Leichtbauplatte besteht dabei in der Regel aus zwei Deckplatten und einer dazwischen liegenden Mittelschicht. Zur Montage des Dübels wird in eine der beiden Deckplatten eine Bohrung eingebracht, die bis an die zweite Deckplatte heranreicht, diese aber nicht durchdringt. Anschließend wird der Dübel in diese Bohrung eingesetzt. Zur Fixierung des Dübels in der Bohrung ist beispielsweise aus der DE 10 2005 060 528 A1 bekannt, den aus einem Thermoplast bestehenden Dübel per Ultraschall in der Leichtbauplatte zu verschweißen. Zur Verschweißung der dort gezeigten Dübel ist ein hoher Energieeintrag notwendig, um ein Verschmelzen eines Teils der Dübelaußenfläche mit den Deckplatten zu er- möglichen. Such known per se from the prior art dowels serve to be able to determine fittings or the like on a lightweight panel, the stresses in the connection area are usually static and relatively small. As a rule, the lightweight board consists of two cover plates and an intermediate middle layer. To assemble the dowel, a hole is made in one of the two cover plates, which extends as far as the second cover plate but does not penetrate it. Then the dowel is inserted into this hole. For fixing the anchor in the bore, it is known, for example from DE 10 2005 060 528 A1, to weld the anchor made of a thermoplastic by ultrasound in the lightweight board. To weld the dowels shown there, a high energy input is necessary in order to allow a fusion of a part of the dowel outer surface with the cover plates.
Aufgabe der vorliegenden Erfindung ist es, einen Dübel sowie ein Verfahren zur Montage eines Dübels bereitzustellen, mit dem sich die thermische Belastung der Bauteile weiter reduzieren lässt und mit dem eine definierte Flächenverschwei- ßung ermöglicht ist. Object of the present invention is to provide a dowel and a method for mounting a dowel, with which the thermal load of the components can be further reduced and with a defined Flächengewwei- tion is made possible.
Diese Aufgabe wird durch einen Dübel mit den Merkmalen des Anspruchs 1 sowie ein Verfahren zur Montage eines Dübels mit den Merkmalen des Anspruchs 1 1 gelöst. This object is achieved by a dowel with the features of claim 1 and a method for assembling a dowel with the features of claim 1 1.
Erfindungsgemäß weist das stirnseitige Ende des Dübels, das der durchbohrten Deckplatte gegenüberliegenden Deckplatte der Leichtbauplatte zugewandt ist, aufschmeizbare Energierichtungsgeber auf. Durch die Energierichtungsgeber wird die auf den Dübel übertragene Energie auf eine kleine Fläche konzentriert, wodurch ein definiertes Aufschmelzen des Dübels an bestimmten Stellen desAccording to the invention, the frontal end of the dowel, which faces the perforated cover plate opposite cover plate of the lightweight board, on aufzutizbare energy directors on. The energy directors concentrate the energy transferred to the dowel over a small area, which results in a defined melting of the dowel at certain points on the dowel
Dübels erst möglich ist. Außerdem reduziert sich durch die Energierichtungsgeber der Energiebedarf zum Aufschmelzen der Dübelteile, so dass die Bauteile auch insgesamt weniger stark thermisch belastet werden. Zusätzlich kann durch den Einsatz dieser Energierichtungsgeber die Schweißzeit verkürzt werden, was ebenfalls zu einer Reduzierung der thermischen Belastung der Bauteile führt. Vorteilhafte Ausgestaltungen der Erfindung sind Gegenstand der Unteransprüche. Dowels is only possible. In addition, reduced by the energy directors of the energy demand for melting the dowel parts, so that the components also be less thermally stressed overall. In addition, the use of these energy directors, the welding time can be shortened, which also leads to a reduction in the thermal load of the components. Advantageous embodiments of the invention are the subject of the dependent claims.
Gemäß einer besonderen Ausführungsvariante ist der Dübel zweiteilig als Hülse mit einem in der Hülse festlegbaren Bolzen ausgebildet, wobei die Energierich- tungsgeber zumindest an der der durchbohrten Deckplatte gegenüberliegenden Deckplatte zugewandten Stirnseite der Hülse vorgesehen sind. Durch die zweiteilige Gestaltung eines Dübels ist ermöglicht, dass bei dem erfindungsgemäßen Verfahren in einem ersten Arbeitsschritt eine erste Sonotrode in die Hülse eingeführt werden kann, um eine Beaufschlagung der Hülse mit Ultraschall nur im Be- reich des Hülsenbodens auszuführen und dadurch die thermische Belastung der Hülse zu reduzieren. According to a particular embodiment, the dowel is formed in two parts as a sleeve with a fixable in the sleeve bolt, the Energierich- donors are at least provided on the cover plate opposite the pierced cover plate facing end side of the sleeve. The two-part design of an anchor makes it possible that in the method according to the invention in a first step, a first sonotrode can be inserted into the sleeve to perform an application of ultrasound to the sleeve only in the area of the sleeve bottom and thereby the thermal load of the sleeve to reduce.
Der in die Hülse einführbare Bolzen besteht in einer Ausführungsvariante aus einem in die Hülse einführbaren Bolzenstab und einem auf dem offenen Ende der Hülse aufsetzbaren Bolzenkopf, wobei die Grundfläche des Bolzenkopfes derThe insertable into the sleeve bolt consists in a variant of an insertable into the sleeve bolt rod and an attachable on the open end of the sleeve bolt head, wherein the base of the bolt head of
Grundfläche der Hülse entspricht und der Bolzenkopf im montierten Zustand des Dübels mit der Hülse ultraschallverschweißt ist. Der Bolzenkopf ist dabei auf seiner der offenen Stirnseite der Hülse zugewandten Unterseite mit mehreren Aufschmelzstufen ausgebildet, so dass die Dicke des Botzenkopfes radial zum Bolzenstab hin zunimmt. Dadurch wird sichergestellt, dass durch die Beaufschlagung mit Ultraschall zunächst die äußere Stufe und der Rand der Hülse aufgeschmolzen werden, ehe eine weiter innen gelegene Stufe mit der Innenfläche der Hülse in Kontakt tritt und so der bereits aufgeschmolzene Rand der Hülse nach außen gedrückt werden kann, so dass sich ein formschlüssiger Hinterschnitt und gegebenenfalls ein Verschmelzen zwischen dem Rand der Hülse und der oberen Deckschicht ergibt. in einer weiteren Ausführungsvariante steht das offene Ende des Dübels aus der Außenfläche der mit der Bohrung versehenen Deckplatte hervor. Dadurch ist er- möglicht, dass durch Aufsetzen geeignet geformter Sonotroden ein die obere Deckschicht formschlüssig haltendes Verbindungsteil geformt wird. Ausführungsbeispiele der Erfindung sind in den beigefügten Zeichnungen dargestellt und werden im Folgenden näher beschrieben. Es zeigen: Base surface of the sleeve corresponds and the bolt head is ultrasonically welded in the mounted state of the anchor with the sleeve. The bolt head is formed on its underside facing the open end side of the sleeve with several reflow stages, so that the thickness of the Botzenkopfes increases radially to the bolt rod. This ensures that the outer stage and the edge of the sleeve are first melted by the application of ultrasound before a step located further in the interior comes into contact with the inner surface of the sleeve and so the already melted edge of the sleeve can be pushed outwards, so that there is a positive undercut and optionally a fusion between the edge of the sleeve and the upper cover layer. In a further embodiment, the open end of the dowel protrudes from the outer surface of the cover plate provided with the bore. This makes it possible, by fitting suitably shaped sonotrodes, to form a connecting part which positively holds the upper cover layer. Embodiments of the invention are illustrated in the accompanying drawings and will be described in more detail below. Show it:
Figur 1 eine schematische perspektivische Ansicht einer Leichtbauplatte mit darin einzusetzendem erfindungsgemäßem Dübel, FIG. 1 shows a schematic perspective view of a lightweight building board with an inventive dowel to be inserted therein;
Figur 2 eine schematische Schnittansicht eines Ausführungsbeispiels eines erfindungsgemäßen zweiteilig ausgebildeten Dübels, Figuren 3 und 4 Ausschnittsvergrößerungen des mit A bezeichneten Bereiches der Figur 2 nach bzw. vor Beaufschlagung mit Ultraschall, 2 shows a schematic sectional view of an exemplary embodiment of a two-part anchor according to the invention, FIGS. 3 and 4 show detail enlargements of the region of FIG. 2 designated by A after or before exposure to ultrasound,
Figur 5 eine Ausschnittsvergrößerung des mit B bezeichneten Bereiches aus Figur 2, FIG. 5 shows an enlarged detail of the area designated by B in FIG. 2,
Figur 6 eine Schnittansicht einer Hülse mit eingesetzter erster Figure 6 is a sectional view of a sleeve with inserted first
Sonotrode, Figur 7 eine Schnittansicht einer Hülse mit eingesetztem Bolzen und auf den Bolzenkopf aufgesetzter Sonotrode,  Sonotrode, Figure 7 is a sectional view of a sleeve with inserted bolt and mounted on the bolt head sonotrode,
Figur 8 eine Schnittansicht eines weiteren Ausführungsbeispiels eines einteilig ausgebildeten Dübels vor der Beaufschlagung mit Ultraschall, FIG. 8 a sectional view of a further exemplary embodiment of an integrally formed plug prior to the application of ultrasound,
Figur 9 das in Figur 8 gezeigte Ausführungsbeispiel des Dübels mit eingesetzter erster Sonotrode, Figur 10 das in Figur 8 gezeigte Ausführungsbeispiel mit aufgesetzter zweiter Sonotrode, 9 shows the embodiment of the plug shown in FIG. 8 with the first sonotrode inserted, FIG. 10 shows the embodiment shown in FIG. 8 with the second sonotrode attached,
Figuren 11 bis 13 unterschiedliche Schnittansichten eines weiteren Ausführungsbeispiels eines einteilig ausgebildeten Dübels vor und während der Beaufschlagung mit Ultraschall und Figuren 14 und 5 zwei Schnittansichten eines weiteren Ausführungsbeispiels eines einteilig ausgebildeten Dübels mit vormontiertem Möbelbeschlag und aufgesetzter erster bzw. zweiter Sonotrode. In der Figur 1 ist eine Leichtbauplatte 1 gezeigt, die in an sich bekannter Weise aus einer ersten und einer zweiten Deckplatte 3, 4 sowie einer dazwischen angeordneten Mittelschicht 6 besteht. Die Mittelschicht 6 kann dabei als Waben- oder einer ähnlichen Struktur ausgeführt sein und kann sich in ihrer chemischen und / oder physikalischen Eigenschaft von den Deckplatten unterscheiden. Leichtbau- platten, die beispielsweise im Möbelbau eingesetzt werden, haben oft für Ihre Mittelschichten eine geringere Dichte als die Deckplatten 3,4. Die beiden Deckplatten 3, 4 können beispielsweise aus Holz oder einem holzartigen Werkstoff hergestellt sein oder auch aus einem Thermoplast. In die obere der beiden Deckplatten 4 ist eine Bohrung 5 zur Aufnahme eines mit dem Bezugszeichen 2 bezeichneten Dübels eingebracht. Der Dübel 2 ist bevorzugt aus einem Thermoplast wie beispielsweise Polyoxymethylen (POM) oder Polyamid (PA) hergestellt. Die offene Stirnseite des Dübels 2 ist bevorzugt mit einem Kanal 7 versehen, der beispielsweise als Einschraubkanal ausgebildet ist und zur Aufnahme einer Befestigungsschraube (nicht gezeigt) dient. Figures 11 to 13 different sectional views of another embodiment of a one-piece plug before and during the application of ultrasound and Figures 14 and 5 are two sectional views of another embodiment of an integrally formed anchor with pre-assembled furniture fitting and attached first or second sonotrode. FIG. 1 shows a lightweight building panel 1 which, in a manner known per se, consists of a first and a second cover plate 3, 4 and a middle layer 6 arranged therebetween. The middle layer 6 can be embodied as a honeycomb or a similar structure and can differ in its chemical and / or physical property of the cover plates. Lightweight panels, which are used for example in furniture construction, often have a lower density for their middle layers than the cover plates 3,4. The two cover plates 3, 4 may for example be made of wood or a wood-like material or of a thermoplastic. In the upper of the two cover plates 4, a bore 5 for receiving a designated by the reference numeral 2 anchor is introduced. The dowel 2 is preferably made of a thermoplastic such as polyoxymethylene (POM) or polyamide (PA). The open end side of the dowel 2 is preferably provided with a channel 7, which is formed for example as Einschraubkanal and for receiving a fastening screw (not shown).
Zur Festlegung des Dübels 2 in der Leichtbauplatte 1 wird der Dübel 2 mit der Leichtbauplatte 1 ultraschaliverschweißt. Um eine zielgerichtete Aufschmelzung des Dübelmaterials zu erreichen, sind, wie bei dem in einer ersten Ausführungsvariante zweiteilig ausgebildeten Dübel 2, bestehend aus einer äußeren Hülse 8 und einem in die Hülse 8 einführbaren Bolzen 9, an einem stirnseitigen, dem der durchbohrten Deckplatte 4 gegenüberliegenden Deckplatte 3 zugewandten Ende des Dübels 2 aufschmelzbare Energierichtungsgeber 12 angeformt. Der Bolzen 9 besteht dabei aus einem in die Hülse 8 einführbaren Bolzenstab 10 und einem auf dem offenen Ende der Hülse 8 aufsetzbaren Bolzenkopf 11. To fix the anchor 2 in the lightweight panel 1, the dowel 2 is ultrasonically welded to the lightweight panel 1. In order to achieve a targeted melting of the dowel material, as in the case of the two-piece in a first embodiment dowel 2, consisting of an outer sleeve 8 and an insertable into the sleeve 8 bolts 9, on a front side, the pierced cover plate 4 opposite cover plate 3 facing end of the plug 2 fusible energy directors 12 is formed. The bolt 9 consists of an insertable into the sleeve 8 bolt rod 10 and an attachable to the open end of the sleeve 8 bolt head 11th
Wird die Hülse 8 nach dem Einführen in die Bohrung 5 der oberen Deckplatte 4 mit Ultraschall beaufschlagt, werden die Energierichtungsgeber 2 aufgeschmolzen und sorgen so für eine zuverlässige Verbindung mit der unteren Deckplatte 3. Bei der in Figur 2 gezeigten Ausführungsvaräante wird zur Beaufschlagung der Hülse mit Ultraschall eine Sonotrode 13 auf den Bolzenkopf 1 1 aufgelegt. Der über die Sonotrode 13 auf den Bolzen übertragene Ultraschall bewirkt dabei zunächst ein Aufschmelzen eines Kontaktbereiches zwischen Hülse 8 und Bolzen 9 im Bereich des offenen Endes der Hülse 8. If the sleeve 8 is subjected to ultrasound after insertion into the bore 5 of the upper cover plate 4, the energy directors 2 are melted and thus ensure a reliable connection with the lower cover plate 3. In the case of the embodiment shown in FIG. 2, a sonotrode 13 is placed on the bolt head 11 to apply ultrasound to the sleeve. The ultrasound transmitted to the bolt via the sonotrode 13 initially causes a melting of a contact region between sleeve 8 and pin 9 in the region of the open end of the sleeve 8.
Wie in den Figuren 3 und 4 zu erkennen ist, ist die der offenen Stirnseite der Hülse 8 zugewandte Unterseite des Bolzenkopfes 1 1 mit mehreren Aufschmelzstufen 14, 15 ausgebildet. Gleichzeitig ist die Innenkante des offenen Endes der Hülse 8 mit einer Fase versehen. Führt man den Bolzen 9 in die Hülse 8 ein, so liegt der Bolzen 9 mit der radial außen liegenden Aufschmelzstufe 14 auf dem angefasten Ende der Hülse 8 auf, um sicherzustellen, dass bei Beaufschlagung des Dübels 2 mit Ultraschall zunächst dieser Kontaktbereich aufgeschmolzen wird, ehe die angefaste Fläche 16 der Hülse 8 mit der weiter innen liegenden Stu- fe 15 des Bolzenkopfes 11 in Kontakt kommt und ebenfalls aufschmilzt. Während des Aufschmelzvorgangs wird der Bolzen 9 weiter in die Hülse 8 hinein gedrückt, so dass das aufgeschmolzene Material im Wandbereich des offenen Endes der Hülse 8 nach außen gedrückt wird, so dass sich ein formschlüssiger Hinterschnitt 22 am offenen Ende der Hülse 8 ausbildet. Dieser Hinterschnitt 22 ragt radial von der Bohrung 5 in der oberen Deckplatte 4 über den Rand der Bohrung 5 auf der der unteren Deckplatte 3 zugewandten Seite der oberen Deckplatte 4 hinaus und verhindert damit eine Bewegung des Dübels 2 aus der Bohrung 5 heraus. Die Endlage und Endgestaltung des Dübels 2 ist in Figur 7 gezeigt. Des Weiteren ist in Figur 7 zu erkennen, dass sich im Kontaktbereich zwischen Hülse 8 und Bol- zen 9 eine Quetschnaht 21 gebildet hat, mit der der Bolzen 9 sicher an der Hülse 8 verschweißt ist. Sofern zwischen der Mantelfläche des Bolzenkopfes 1 und der oberen Deckplatte 4 nach dem Einsetzen der Hülse 8 und des Bolzens 9 noch ein gewisses Spiel vorhanden war, so ist dieses zumindest teilweise ebenfalls durch die Quetschnaht 21 ausgefüllt. As can be seen in Figures 3 and 4, the open end side of the sleeve 8 facing bottom of the bolt head 1 1 is formed with a plurality of Aufschmelzstufen 14, 15. At the same time, the inner edge of the open end of the sleeve 8 is provided with a chamfer. If the bolt 9 is introduced into the sleeve 8, then the bolt 9 rests with the radially outer reflow stage 14 on the chamfered end of the sleeve 8, in order to ensure that this contact area is initially melted when the plug 2 is subjected to ultrasound, before the chamfered surface 16 of the sleeve 8 comes into contact with the further inside step 15 of the bolt head 11 and also melts. During the melting process, the pin 9 is pressed further into the sleeve 8, so that the molten material is pressed in the wall region of the open end of the sleeve 8 to the outside, so that forms a positive undercut 22 at the open end of the sleeve 8. This undercut 22 extends radially from the bore 5 in the upper cover plate 4 over the edge of the bore 5 on the lower cover plate 3 facing side of the upper cover plate 4 and thus prevents movement of the dowel 2 from the bore 5 out. The end position and final design of the anchor 2 is shown in FIG. Furthermore, it can be seen in FIG. 7 that a crimp seam 21 has formed in the area of contact between sleeve 8 and pin 9, with which pin 9 is securely welded to sleeve 8. If between the lateral surface of the bolt head 1 and the upper cover plate 4 after insertion of the sleeve 8 and the bolt 9 still a certain amount of play was present, this is at least partially also filled by the crimp 21.
In einer bevorzugten Ausgestaltung des Bolzens 9 ist, wie in Figur 5 gezeigt ist, die dem Hülsenboden zugewandte Stirnseite des Bolzens 9 ebenfalls mit Energierichtungsgebern 18 versehen, um den Bolzen 9 in der Hülse 8 auch in diesem Bereich zu fixieren und die Festigkeit der Verbindung zwischen Bolzen und Hülse weiter zu erhöhen. Die Montage des Dübels 2 in der Leichtbauplatte 1 kann in einer bevorzugten Ausführungsvariante durch Einsetzen des Dübels 2 in die Bohrung 5 in die Deckplatte 4 und anschließender Beaufschlagung des Dübels 2 mit Ultraschall durch die Sonotrode 13 erfolgen, wie es in Figur 2 dargestellt ist. Bei der Beaufschla- gung des Dübels 2 mit Ultraschall wird, wie oben beschrieben, der Dübel 2 mit der der durchbohrten Deckplatte 4 gegenüberliegenden Deckplatte 3 durch Aufschmelzen der am stirnseitigen Ende des Dübels 2 vorhandenen Energierichtungsgeber 12 verschweißt. In einer alternativen Montagevariante gemäß Fig.6 wird zunächst die Hülse 8 in die Bohrung 5 in der Deckplatte 4 eingesetzt und an- schließend eine Sonotrode 19 in die Hülse 8 eingeführt, so dass die Wirkfläche der Sonotrode 19 den Hülsenboden der Hülse 8 berührt und so eine Ultraschall- beaufschlagung der Hülse 8 in unmittelbarer Nähe der Energierichtungsgeber 12 erfolgt. Nach dem Verschweißen der Hülse 8 mit der unteren Deckschicht 3 wird der Bolzen 9 in die Hülse 8 eingesetzt und die Sonotrode 13 von oben auf den In a preferred embodiment of the bolt 9, as shown in Figure 5, the sleeve bottom facing end face of the bolt 9 is also provided with energy directors 18 to fix the bolt 9 in the sleeve 8 in this area and the strength of the connection between Bolt and sleeve continue to increase. The assembly of the anchor 2 in the lightweight panel 1 can be done in a preferred embodiment by inserting the anchor 2 in the bore 5 in the cover plate 4 and subsequent application of the anchor 2 with ultrasound through the sonotrode 13, as shown in Figure 2. When the dowel 2 is subjected to ultrasound, as described above, the dowel 2 is welded to the cover plate 3 opposite the pierced cover plate 4 by melting the energy directors 12 present at the front end of the dowel 2. In an alternative assembly variant according to FIG. 6, first the sleeve 8 is inserted into the bore 5 in the cover plate 4 and subsequently a sonotrode 19 is inserted into the sleeve 8 so that the active surface of the sonotrode 19 contacts the sleeve bottom of the sleeve 8 and so on an ultrasonic impingement of the sleeve 8 in the immediate vicinity of the energy directors 12 takes place. After welding the sleeve 8 with the lower cover layer 3, the bolt 9 is inserted into the sleeve 8 and the sonotrode 13 from above on the
Bolzenkopf 11 des Bolzens 9 aufgesetzt und so der Bolzen 9 mit der Hülse 8 unter Ausbildung einer Quetschnaht 21 ultraschallverschweißt. Gemäß weiterer alternativer Ausgestaltungen, die in den Figuren 8 bis 15 gezeigt sind, wird die Verbindung zwischen dem Dübel 2 und der oberen Deckschicht 4 der Leichtbauplatte 1 durch Ultraschallbördeln bzw. Ultraschailnieten realisiert. Dazu wird in einer ersten Variante ein einteiliger Dübel verwendet, der im wesentlichen nur aus einer Hülse 8' besteht, an dem zur Verschweißung mit der unteren Deckplatte 3 Energierichtungsgeber 12 an der der unteren Deckplatte zugewandten Stirnseite des Dübels 8' angeordnet sind. Die Hülse 8' ist in ihrer noch nicht verformten Ausgangsgestalt so lang ausgebildet, dass sie nach dem Einschieben in die Bohrung 5 der oberen Deckplatte 4 ein Stück weit aus der oberen Deckplatte 4 heraussteht. Zur Fixierung der Hülse 8' wird nach dem Einführen der Hülse 8' in die Bohrung 5 der Deckplatte 4 die Sonotrode 19 in die Hülse 8' eingeführt und mit Ultraschall beaufschlagt, um eine Verbindung zwischen der Hülse 8' und der unteren Deckplatte 3 herzustellen. Außerdem formt sich in diesem Arbeitsschritt zwischen der Hülse 8' und der oberen Deckplatte 4 ein Hinterschnitt 22'. In einem zweiten Arbeitsschritt wird die Hülse 8' von oben mit einer Sonotrode 13' beauf- schlagt, die so geformt ist, dass der über die obere Deckplatte 4 hinaus ragende Teil 23' der Hülse 8' derart verformt wird, dass sich eine formschlüssige Verbin- dung zwischen der Hülse 8\ dem Hinterschnitt 22' und der dazwischen liegenden oberen Deckplatte 4 ergibt. Bolt head 11 of the bolt 9 placed and so the bolt 9 with the sleeve 8 to form a crimp seam 21 ultrasonically welded. According to further alternative embodiments, which are shown in FIGS. 8 to 15, the connection between the dowel 2 and the upper covering layer 4 of the lightweight building board 1 is realized by ultrasound riveting or ultrasound riveting. For this purpose, a one-piece dowel is used in a first variant, which consists essentially only of a sleeve 8 ', to which for welding to the lower cover plate 3 energy directors 12 are arranged on the lower cover plate facing the front side of the dowel 8'. The sleeve 8 'is formed in its not yet deformed initial shape so long that it protrudes a little way from the upper cover plate 4 after insertion into the bore 5 of the upper cover plate 4. To fix the sleeve 8 ', after insertion of the sleeve 8' into the bore 5 of the cover plate 4, the sonotrode 19 is inserted into the sleeve 8 'and subjected to ultrasound in order to establish a connection between the sleeve 8' and the lower cover plate 3. In addition, formed in this step between the sleeve 8 'and the upper cover plate 4, an undercut 22'. In a second step, the sleeve 8 'is acted upon from above by a sonotrode 13', which is shaped in such a way that the part 23 'of the sleeve 8' projecting beyond the upper cover plate 4 is deformed in such a way that a positive connection is formed - Formation between the sleeve 8 \ the undercut 22 'and the intermediate upper cover plate 4 results.
In einem nochmals alternativ gestalteten Dübel 2', gezeigt in den Figuren 1 1 bis 13, ist der Dübel 2' als massives Bauteil ausgeführt, in das von oben ein Einlass- kanal 7 für ein Befestigungselement {nicht gezeigt) eingelassen ist. Zur Fixierung dieses Dübels 2' wird in einem ersten Arbeitsschritt der Dübel 2' über eine In an alternative dowel 2 ', shown in FIGS. 11 to 13, the dowel 2' is designed as a solid component into which an inlet channel 7 for a fastening element {not shown) is embedded from above. To fix this dowel 2 'is in a first step, the dowel 2' via a
Sonotrode 13 mit Ultraschall beaufschlagt, so dass es zur Ausbildung einer Verschweißung 20 mit der unteren Deckplatte 3 sowie zu einem Hinterschnitt 22" zur oberen Deckplatte 4 kommt. In einem zweiten Arbeitsschritt wird die Hülse wiederum über eine Sonotrode 13" mit Ultraschall beaufschlagt, so dass es hier zu einer Umbördelung des über die obere Deckplatte hinaus stehenden Randes 23" und somit zu einem Formschluss des Dübels 2' mit der oberen Deckschicht 4 kommt. Die Sonotrode 13" ist dabei derart ausgebildet, dass der Einlasskanal 7 von einer Verformung ausgenommen bleibt. Sonotrode 13 is subjected to ultrasound, so that it comes to form a weld 20 with the lower cover plate 3 and an undercut 22 "to the upper cover plate 4. In a second step, the sleeve is in turn acted upon by a sonotrode 13" with ultrasound, so that in this case, a beading of the edge 23 "projecting beyond the upper cover plate occurs and thus a positive fit of the dowel 2 'with the upper cover layer 4. The sonotrode 13" is designed such that the inlet channel 7 remains excluded from deformation.
In einer nochmals weiteren alternativen Ausgestaltung, die in den Figuren 14 und 15 gezeigt ist, ist der Dübel als massives Bauteil gestaltet, auf dessen der unteren Deckplatte 3 zugewandten Stirnseite des Dübels2" wiederum die Energierich- tungsgeber 12 ausgebildet sind und auf der gegenüber liegenden Stirnseite zentral ein Steg 24 herausragt, der im in die Bohrung 5 der oberen Deckplatte 4 eingesetzten Zustand über die obere Deckplatte 4 nach außen hervorsteht. Auf diesen Steg 24 wird sodann ein Möbelbeschlag 25 vormontiert und anschließend auf den Möbelbeschlag 25 eine erste Sonotrode 13"' aufgesetzt, wobei der Ultra- schall über den Möbelbeschlag 25 auf den Dübel 2" übertragen wird. Alternativ kann auch vor dem Vormontieren des Möbelbeschlags 25 ein Aufsetzen einer ersten Sonotrode 13"' erfolgen, bei dem der Dübel 2" mit der unteren Deckplatte 3 unter Ausbildung einer Verschweißung 20 verschweißt wird. In einem zweiten Arbeitsschritt wird dieser Steg 24 dann durch Aufsetzen einer zweiten Sonotrode 13"" derart umgeformt, dass der Möbelbeschlag 25 am Dübel 2"vernietet ist. Bezugszeichenliste In yet another alternative embodiment, which is shown in FIGS. 14 and 15, the plug is designed as a solid component, on whose lower cover plate 3 facing end side of the plug 2 "turn the Energierich- donors 12 are formed and on the opposite end face centrally protrudes a web 24 which protrudes outwardly in the inserted state in the bore 5 of the upper cover plate 4 on the upper cover plate 4. On this web 24 then a furniture fitting 25 is pre-assembled and then placed on the furniture fitting 25, a first sonotrode 13 "' The ultrasound is transmitted to the dowel 2 "via the furniture fitting 25. Alternatively, prior to the premounting of the furniture fitting 25, a first sonotrode 13"'can be placed, in which the dowel 2 "is formed with the lower cover plate 3 a weld 20. In a second step, this web 24 is then replaced by A ufsetzen a second sonotrode 13 "" transformed so that the furniture fitting 25 riveted to the dowel 2 ". LIST OF REFERENCE NUMBERS
Leichtbauplatte 1 Lightweight Panel 1
Dübel 2  Dowel 2
Dübel 2'  Dowel 2 '
Dübel 2"  Dowel 2 "
Deckplatte 3  Cover plate 3
Deckplatte 4  Cover plate 4
Bohrung 5  Hole 5
Mittelschicht 6  Middle class 6
Kanal 7  Channel 7
Hülse 8  Sleeve 8
Hülse 8'  Sleeve 8 '
Bolzen 9  Bolt 9
Bolzenstab 10  Stud rod 10
Bolzenkopf 11  Bolt head 11
Energierichtungsgeber 12  Energy directors 12
Sonotrode 13  Sonotrode 13
Sonotrode 13'  Sonotrode 13 '
Sonotrode 13"  Sonotrode 13 "
Sonotrode 13"  Sonotrode 13 "
Sonotrode 13"  Sonotrode 13 "
Aufschmeizstufe 14  Slicing stage 14
Aufschmelzstufe 15  Melting stage 15
Fläche 16  Area 16
Fläche 17  Area 17
Energierichtungsgeber 18  Energy directors 18
Sonotrode 19  Sonotrode 19
Verschweißung 20  Welding 20
Quetschnaht 21  Crimp seam 21
Hinterschnitt 22  Undercut 22
Hinterschnitt 22'  Undercut 22 '
Rand 23' Edge 23 '
Rand 23'  Edge 23 '
Steg 24  Footbridge 24
Möbelbeschtag 25  Furniture challenge 25

Claims

Ansprüche claims
1. Dübel (2,2', 2") für ein Befestigungselement zum Einsetzen in eine Leichtbauplatte (1), die eine erste und eine zweite Deckplatte (3, 4) und eine dazwischen Hegende Mittelschicht (6) aufweist, wobei der Dübel (2, 2', 2") zumindest teilweise aus einem Thermoplast besteht und in der Leichtbauplatte (1) durch Ultraschallschweißen festlegbar ist und im montierten Zustand eine Bohrung (5) in einer Deckplatte (4) durchtritt und mit einem stirnseitigen Ende auf der der durchbohrten Deckplatte (4) gegenüberliegenden Deckplatte (3) aufliegt, dadurch gekennzeichnet, dass das stirnseitige, der der durchbohrten Deckplatte (4) gegenüberliegenden Deckplatte (3) zugewandte Ende des Dübels (2,2\2") durch Einwirkung von Ultraschall aufschmelzbare Energierichtungsgeber (12) aufweist. 1. dowel (2,2 ', 2 ") for a fastener for insertion into a lightweight panel (1) having a first and a second cover plate (3, 4) and a middle layer between them (6), wherein the dowel ( 2, 2 ', 2 ") at least partially made of a thermoplastic and in the lightweight board (1) by ultrasonic welding is fixed and in the assembled state a hole (5) in a cover plate (4) passes through and with an end face on the pierced Cover plate (4) opposite cover plate (3) rests, characterized in that the front side of the pierced cover plate (4) opposite cover plate (3) facing the end of the dowel (2,2 \ 2 ") by the action of ultrasonically fusible energy directors (12 ) having.
2. Dübel nach Anspruch 1 , dadurch gekennzeichnet, dass der Dübel als Hülse (8, 8') oder als massives Bauteil 2' ,2" ausgebildet ist, wobei die Energierichtungsgeber (12) zumindest an der der durchbohrten Deckplatte (4) gegenüberliegenden Deckplatte (3) zugewandten Stirnseite der Hülse (8, 8') oder des Dübels 2', 2") vorgesehen sind. 2. Dowel according to claim 1, characterized in that the dowel as a sleeve (8, 8 ') or as a solid component 2', 2 "is formed, wherein the energy directors (12) at least on the pierced cover plate (4) opposite cover plate (3) facing the end face of the sleeve (8, 8 ') or the dowel 2', 2 ") are provided.
3. Dübel nach Anspruch 1 , dadurch gekennzeichnet, dass der Dübel (2) zweiteilig als Hülse (8) mit einem in der Hülse (8) festlegbaren Bolzen (9) ausgebildet ist, wobei die Energierichtungsgeber (12) zumindest an der der durchbohrten Deckplatte (4) gegenüberliegenden Deckplatte (3) zugewandten Stirnseite der Hülse (8) vorgesehen sind. 3. Dowel according to claim 1, characterized in that the dowel (2) in two parts as a sleeve (8) with a in the sleeve (8) fixable bolt (9) is formed, wherein the energy directors (12) at least at the pierced cover plate (4) opposite cover plate (3) facing the end face of the sleeve (8) are provided.
4. Dübel nach Anspruch 3, dadurch gekennzeichnet, dass an der dem Hülsenboden zugewandten Stirnseite des Bolzens (9) Energierichtungsgeber (18) vorgesehen sind. 4. Dowel according to claim 3, characterized in that on the sleeve bottom facing the end face of the bolt (9) energy directors (18) are provided.
5. Dübel nach einem der Ansprüche 3 oder 4, dadurch gekennzeichnet, dass die Verbindung zwischen der Hülse (8) und dem Bolzen (9) am offenen Ende der Hülse (8) als Quetschnaht (21) ausgebildet ist. 5. Dowel according to one of claims 3 or 4, characterized in that the connection between the sleeve (8) and the bolt (9) at the open end of the sleeve (8) is designed as a crimp seam (21).
6. Dübel nach Anspruch 5, dadurch gekennzeichnet, dass der Bolzen (9) aus einem in die Hülse (8) einführbaren Bolzenstab (10) und einem auf dem offe- nen Ende der Hülse (8) aufsetzbaren Bolzenkopf (11) gebildet ist, wobei der Bolzenkopf (11) im montierten Zustand des Dübels (2) mit der Hülse (8) ultraschallverschweißt ist. 6. Anchor according to claim 5, characterized in that the bolt (9) from a in the sleeve (8) insertable bolt rod (10) and one on the open NEN end of the sleeve (8) attachable bolt head (11) is formed, wherein the bolt head (11) in the mounted state of the dowel (2) with the sleeve (8) is ultrasonically welded.
7. Dübel nach Anspruch 6, dadurch gekennzeichnet, dass eine Innenkante des offenen Endes der Hülse (8) mit einer Fase ( 6) und eine der offenen Stirnseite der Hülse (8) zugewandte Unterseite des Bolzenkopfes (11) mit mehreren Aufschmelzstufen (14, 15) ausgebildet ist, so dass die Dicke des Bolzenkopfes (11) radial zum Bolzenstab (10) hin zunimmt. 7. Dowel according to claim 6, characterized in that an inner edge of the open end of the sleeve (8) with a chamfer (6) and one of the open end side of the sleeve (8) facing bottom of the bolt head (11) with several Aufschmelzstufen (14, 15) is formed, so that the thickness of the bolt head (11) increases radially to the pin rod (10) out.
8. Dübel nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass das offene Ende des Dübels (2) bündig mit der Außenfläche der mit der Bohrung (5) versehenen Deckplatte (4) ausgebildet ist. 8. Dowel according to one of the preceding claims, characterized in that the open end of the dowel (2) is formed flush with the outer surface of the bore (5) provided with the cover plate (4).
9. Dübel nach einem der vorstehenden Ansprüche 1 bis 7, dadurch gekennzeichnet, dass das offene Ende der Hülse (8') bzw. Dübels 2', 2") aus der Außenfläche der mit der Bohrung (5) versehenen Deckplatte (4) hervorsteht. 9. Dowel according to one of the preceding claims 1 to 7, characterized in that the open end of the sleeve (8 ') or dowel 2', 2 ") from the outer surface of the bore (5) provided with the cover plate (4) protrudes ,
10. Leichtbauplatte (1), aufweisend eine erste und eine zweite Deckplatte (3, 4) und eine dazwischen liegende Mittelschicht (6) in Wabenstruktur oder ähnlicher Struktur mit geringerer Dichte als die Deckplatten (3,4) und mindestens eine Bohrung (5) in einer Deckplatte (4), durch die ein Dübel (2,2'2") durchtritt, der mit einem stirnseitigen Ende auf der der durchbohrten Deckplatte (4) gegenüberliegenden Deckplatte (3) aufliegt und mit seinem anderen Ende innerhalb der Bohrung (5) liegt, dadurch gekennzeichnet, dass der in der mindestens einen Bohrung (5) vorgesehene Dübel (2,2', 2") nach einem der vorstehenden Ansprüche ausgebildet ist. 10. lightweight building panel (1), comprising a first and a second cover plate (3, 4) and an intermediate middle layer (6) in honeycomb structure or similar structure with a lower density than the cover plates (3,4) and at least one bore (5) in a cover plate (4), through which passes through an anchor (2,2'2 "), which rests with a front end on the cover plate (3) opposite the pierced cover plate (4) and with its other end within the bore (5 ), characterized in that in the at least one bore (5) provided dowel (2,2 ', 2 ") is designed according to one of the preceding claims.
11. Verfahren zur Montage eines Dübeis gemäß einem der vorstehenden Ansprüche 1 bis 9 in einer Leichtbauplatte (1), die eine erste und eine zweite Deckplatte (3, 4) und eine dazwischen liegende Mittelschicht (6) in Wabenstruktur oder ähnlicher Struktur mit geringerer Dichte als die Deckplatten (3,4) aufweist, wobei der Dübel zumindest teilweise aus einem Thermoplast besteht und in der Leichtbauplatte (1) durch Ultraschallschweißen festgelegt wird, aufweisend die folgenden Verfahrensschritte: A method of assembling a dive according to any of the preceding claims 1 to 9 in a lightweight panel (1) comprising a first and a second cover plate (3, 4) and an intermediate middle layer (6) of lesser density in honeycomb or similar structure as the cover plates (3,4), wherein the dowel consists at least partially of a thermoplastic and in the lightweight panel (1) is determined by ultrasonic welding, comprising the following steps:
a. Einsetzen des Dübels in eine Bohrung (5) in der Deckplatte (4), b. Beaufschlagen des Dübels mit Ultraschall, a. Inserting the dowel into a hole (5) in the cover plate (4), b. Applying the plug with ultrasound,
c. Verschweißen des Dübels mit der der durchbohrten Deckplatte (4) gegenüberliegenden Deckplatte (3) durch Aufschmelzen der am stirnseitigen, der der durchbohrten Deckplatte (4) gegenüberliegenden Deckplatte (3) zugewandte Ende des Dübels vorhandenen Energierichtungsgeber (12).  c. Welding the anchor with the cover plate (4) opposite the cover plate (3) by melting on the front side of the pierced cover plate (4) opposite the cover plate (3) facing the end of the anchor existing energy directors (12).
12. Verfahren nach Anspruch 11 , aufweisend die folgenden Verfahrensschritte: d. Einsetzen der Hülse (8, 8', 8"), bzw. des Dübels 2',2"( in eine Bohrung (5) der Deckplatte (4), 12. The method according to claim 11, comprising the following method steps: d. Inserting the sleeve (8, 8 ', 8 "), or the anchor 2', 2" (in a bore (5) of the cover plate (4),
e. Einführen einer ersten Ultraschall erzeugenden Sonotrode (19) in die Hülse (8, 8'), oder  e. Introducing a first ultrasonic sonotrode (19) in the sleeve (8, 8 '), or
f. Heranführen einer ersten Ultraschall erzeugenden Sonotrode (13) an den Dübel 2'2"  f. Bringing a first ultrasonic sonotrode (13) to the dowel 2'2 "
g. Verschweißen der Hülse (8, 8')bzw. des Dübels 2',2" mit der der durchbohrten Deckplatte (4) gegenüberliegenden Deckplatte (3) durch Aufschmelzen der am stirnseitigen, der der durchbohrten Deckplatte (4) gegenüberliegenden Deckplatte (3) zugewandte Ende der Hülse (8, 8'), bzw. des Dübels 2', 2" vorhandenen Energierichtungsgeber (12).  G. Welding the sleeve (8, 8 ') or. of the dowel 2 ', 2 "with the cover plate (3) opposite the pierced cover plate (4) by melting the end of the sleeve (8, 8') facing the cover plate (4) opposite the pierced cover plate (4), respectively of the dowel 2 ', 2 "existing energy directors (12).
13. Verfahren nach Anspruch 12, wobei in einem weiteren Verfahrensschritt die Hülse (8) mit dem Bolzen (9) am offenen Ende der Hülse (8) unter Ausbildung einer Quetschnaht (21) durch Aufsetzen einer Sonotrode (13) auf den Bolzen (9) ultraschallverschweißt wird. 13. The method according to claim 12, wherein in a further method step, the sleeve (8) with the bolt (9) at the open end of the sleeve (8) to form a crimping seam (21) by placing a sonotrode (13) on the bolt (9 ) is ultrasonically welded.
14. Verfahren nach Anspruch 13, wobei bei der Ultraschallbeaufschlagung des Bolzens (9) und der Hülse (8) die Aufschmelzstufen (14, 15) auf der der Hülse (8) zugewandte Unterseite des Bolzenkopfes (1 ) von außen nach innen aufgeschmolzen werden, dabei der Bolzen (9) tiefer in die Hülse (8) eingefahren wird, wobei der bereits aufgeschmolzene Rand der Hülse (8) aus dem Hülseninneren über den oberen Hülsenrand nach außen gedrückt wird und dabei unter Ausbildung der Quetschnaht (21) die Hülse (8) mit dem Bolzen (9) verbindet. 14. The method of claim 13, wherein in the ultrasonic application of the bolt (9) and the sleeve (8) the reflow stages (14, 15) on the sleeve (8) facing bottom of the bolt head (1) are melted from the outside in, while the bolt (9) is moved deeper into the sleeve (8), wherein the already melted edge of the sleeve (8) from the sleeve inside over the upper edge of the sleeve is pressed to the outside while forming the crimp (21), the sleeve (8 ) connects with the bolt (9).
15. Verfahren nach Anspruch 12, wobei so viel aufgeschmolzenes Hülsen- und Bolzenmaterial aus dem Hülseninneren über den oberen Hülsenrand nach außen gedrückt wird, dass die dabei ausgebildete Quetschnaht (21) die Hülse (8) und den Bolzen (9) mit der durchbohrten Deckschicht (4) verbindet. 15. The method of claim 12, wherein so much melted sleeve and bolt material from the sleeve inside over the upper edge of the sleeve after is pressed outside, that the crimping seam (21) formed thereby connects the sleeve (8) and the bolt (9) with the pierced cover layer (4).
16. Verfahren nach Anspruch 15, wobei in einem weiteren Verfahrensschritt der über die Deckschicht (4) hervorstehende Rand oder Steg (23\23",24) der Hülse (8') bzw. des Dübels 2'durch Aufsetzen einer Sonotrode (13', 13", 13"") auf den Rand oder Steg (23', 23", 24) der Hülse (8') bzw. des Dübel 2', 2",) zu einem zusammen mit einem zuvor geformten Hinterschnitt (22', 22") die obere Deckschicht (4) formschlüssig haltenden Verbindungsteil geformt wird. 16. The method according to claim 15, wherein in a further step of the over the cover layer (4) projecting edge or web (23 \ 23 ", 24) of the sleeve (8 ') and the anchor 2'auf placing a sonotrode (13'. , 13 ", 13" ") on the edge or web (23 ', 23", 24) of the sleeve (8') or the dowel 2 ', 2 ",) to one together with a previously formed undercut (22'; , 22 "), the upper cover layer (4) is molded in a form-locking manner.
PCT/EP2010/064247 2009-10-08 2010-09-27 Anchor and method for mounting an anchor in a lightweight building board WO2011042326A1 (en)

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