JP2013059770A - Member connecting method - Google Patents

Member connecting method Download PDF

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Publication number
JP2013059770A
JP2013059770A JP2011198217A JP2011198217A JP2013059770A JP 2013059770 A JP2013059770 A JP 2013059770A JP 2011198217 A JP2011198217 A JP 2011198217A JP 2011198217 A JP2011198217 A JP 2011198217A JP 2013059770 A JP2013059770 A JP 2013059770A
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JP
Japan
Prior art keywords
resin
rivet
self
members
matrix resin
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2011198217A
Other languages
Japanese (ja)
Inventor
Yuji Urayama
裕司 浦山
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyota Motor Corp
Original Assignee
Toyota Motor Corp
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 Toyota Motor Corp filed Critical Toyota Motor Corp
Priority to JP2011198217A priority Critical patent/JP2013059770A/en
Publication of JP2013059770A publication Critical patent/JP2013059770A/en
Pending legal-status Critical Current

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    • 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
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00—Riveting
    • B21J15/02—Riveting procedures
    • B21J15/025—Setting self-piercing rivets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00—Riveting
    • B21J15/02—Riveting procedures
    • B21J15/08—Riveting by applying heat, e.g. to the end parts of the rivets to enable heads to be formed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00—Riveting
    • B21J15/10—Riveting machines
    • B21J15/36—Rivet sets, i.e. tools for forming heads; Mandrels for expanding parts of hollow rivets
    • 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
    • B29C65/562—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 extra joining elements, i.e. which are not integral with the parts to be joined
    • B29C65/564—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 extra joining elements, i.e. which are not integral with the parts to be joined hidden in the joint, e.g. dowels or Z-pins
    • 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
    • B29C65/601—Riveting or staking using extra riveting elements, i.e. the rivets being non-integral with the parts to be joined
    • B29C65/602—Riveting or staking using extra riveting elements, i.e. the rivets being non-integral with the parts to be joined using hollow rivets
    • 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
    • B29C65/72—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by combined operations or combined techniques, e.g. welding and stitching
    • 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
    • B29C65/74—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area
    • B29C65/743—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area using the same tool for both joining and severing, said tool being monobloc or formed by several parts mounted together and forming a monobloc
    • B29C65/7437—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area using the same tool for both joining and severing, said tool being monobloc or formed by several parts mounted together and forming a monobloc the tool being a perforating tool
    • 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
    • B29C66/20—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
    • B29C66/40—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
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said 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
    • B29C66/70—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
    • B29C66/721—Fibre-reinforced materials
    • 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
    • B29C66/73—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
    • 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
    • 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
    • B29C66/81431—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
    • B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
    • B29C66/824—Actuating mechanisms
    • B29C66/8242—Pneumatic or hydraulic drives
    • 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
    • F16B19/00—Bolts without screw-thread; Pins, including deformable elements; Rivets
    • F16B19/04—Rivets; Spigots or the like fastened by riveting
    • F16B19/08—Hollow rivets; Multi-part rivets
    • F16B19/086—Self-piercing rivets
    • 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
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    • 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
    • B29C66/721—Fibre-reinforced materials
    • B29C66/7212—Fibre-reinforced materials characterised by the composition of the fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • 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
    • B29C66/721—Fibre-reinforced materials
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • 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
    • B29C66/721—Fibre-reinforced materials
    • B29C66/7214—Fibre-reinforced materials characterised by the length of the fibres
    • B29C66/72143—Fibres of discontinuous lengths
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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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
    • B29C66/81411—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
    • B29C66/81422—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 convex
    • 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
    • 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
    • F16B5/04—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of riveting

Landscapes

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

Abstract

PROBLEM TO BE SOLVED: To provide a member connecting method that connects two or more members to one another, in which at least one of the members is a resin member, and even if a connecting method with a self-piercing rivet is applied to the connecting method, the connecting method can firmly connect two or more members to one another via the rivet without breaking a matrix resin.SOLUTION: The member connecting method includes steps of: disposing the resin member 6 formed of a thermoplastic resin at at least the lowermost layer constituting a superposed part of two or more members; placing the superposed part on a rivet dies 3 having an annular recessed groove 3b at the top surface 3a thereof; and positioning a tip of a barrel 5a at the recessed groove 3b while the matrix resin is softened by heating the resin member 6 and driving the self-piercing rivet 5 from above, in a member 7 positioned at the uppermost layer of the superposed part, wherein the tip of the barrel 5a spreads in the annular recessed groove 3b while deforming plastically, and then the matrix resin is cured to connect the superposed part.

Description

本発明は、２以上の部材の重ね合わせ箇所を接続する部材の接続方法に係り、特に、重ね合わせ箇所を形成する少なくとも最下層に熱可塑性樹脂をマトリックス樹脂とする樹脂部材が配され、重ね合わせ箇所の最上層の部材の上方からセルフピアスリベットを打ち込んで部材同士を接続する方法に関するものである。   The present invention relates to a connecting method for connecting members where two or more members are overlapped, and in particular, a resin member having a thermoplastic resin as a matrix resin is disposed at least at the lowest layer forming the overlapping portion, and the overlapping is performed. The present invention relates to a method of connecting members by driving self-piercing rivets from above the uppermost layer member.

樹脂に強化用繊維材が混入されてなる繊維強化樹脂部材（繊維強化プラスチック、ＦＲＰ）は、軽量かつ高強度であることから、自動車産業、建設産業、航空産業など、様々な産業分野で使用されている。   Fiber reinforced resin members (fiber reinforced plastics, FRP), in which fiber materials for reinforcement are mixed with resin, are lightweight and high in strength, so they are used in various industrial fields such as the automobile industry, construction industry, and aviation industry. ing.

そして、繊維強化樹脂部材同士の接合方法に関しては、接着剤を介して接合する方法やボルトによる接合方法、さらにはそれらを組み合わせた接合方法などが一般に用いられている。   And about the joining method of fiber reinforced resin members, the method of joining via an adhesive agent, the joining method by a volt | bolt, Furthermore, the joining method etc. which combined them are generally used.

ところで、部材同士の接合に関し、被接合部材がアルミ板や鋼板等からなる場合に、スポット溶接や摩擦攪拌接合、メカニカルクリンチ、ろう付け、ネジ留めといった様々な接合方法がある中で、セルフピアスリベットによる接合方法が適用されることがある。   By the way, regarding the joining of members, when the member to be joined is made of an aluminum plate, a steel plate or the like, there are various joining methods such as spot welding, friction stir welding, mechanical clinching, brazing, and screwing. May be applied.

このセルフピアスリベットによる接合方法は、リベットダイスの頂面にたとえば２枚の金属板を積層姿勢で載置し、端面とこの端面から突出する筒状の胴部（ピアス）とからなるセルフピアスリベットを金属板の上方で位置決めし、パンチでこの胴部を金属板に打ち込むことで胴部を上板に貫通させ、この過程で胴部の先端を外側に塑性変形させながら広げ、さらに胴部を打ち込むことでその先端が下板内でさらに広げられ、この胴部の打ち込み過程で上下の金属板も塑性変形させて双方を胴部を介してインターロック接続するものである。   This self-piercing rivet joining method is a self-piercing rivet comprising, for example, two metal plates placed in a stacked posture on the top surface of a rivet die, and an end surface and a cylindrical body (pierce) protruding from the end surface. Is positioned above the metal plate and punched into the metal plate by punching the barrel into the upper plate. In this process, the tip of the barrel is expanded while plastically deforming outward, and the barrel is further expanded. By driving in, the tip is further expanded in the lower plate, and the upper and lower metal plates are also plastically deformed in the process of driving the barrel, and both are interlocked via the barrel.

セルフピアスリベットによる接合方法によれば、たとえば金属上板に対して事前に穴あけをおこなう必要がなく、さらに３枚、４枚といった金属板同士の接合も可能であることから、効率的に２以上の金属部材同士を高強度で接合することができる。   According to the joining method using the self-piercing rivet, for example, it is not necessary to make a hole in advance on the metal upper plate, and further, it is possible to join three or four metal plates to each other. These metal members can be joined with high strength.

たとえば特許文献１においては、２つのマグネシウム板同士をセルフピアスリベットで接続するに当たり、接合部を２８０℃以上に加熱してリベットを打ち込むことによって接合部の延性を高めることのできるリベット接合方法が開示されている。   For example, Patent Document 1 discloses a rivet joining method capable of increasing the ductility of a joint by heating the joint to 280 ° C. or higher and driving the rivet when two magnesium plates are connected by a self-piercing rivet. Has been.

ところで、上記するように様々なメリットを奏するセルフピアスリベットによる接合方法を被接続部材の少なくとも一つが上記する樹脂部材（繊維強化樹脂部材を含む）である２以上の部材の接合に適用せんとする試みもおこなわれており、さらには公開技術である特許文献２にもその内容が開示されている。ここで開示される接合方法は、接合される２つの繊維強化樹脂部材間に接着剤を塗工し、この接着剤が未硬化の状態でセルフピアスリベットを打ち込んで、リベットを上方の繊維強化樹脂部材を貫通させて下方の繊維強化樹脂部材内にその先端を留まらせるものである。   By the way, as described above, the joining method by the self-piercing rivet that exhibits various merits is not applied to the joining of two or more members in which at least one of the members to be connected is the above-described resin member (including a fiber reinforced resin member). Attempts have also been made, and the contents are also disclosed in Patent Document 2, which is a publicly available technology. In the joining method disclosed herein, an adhesive is applied between two fiber reinforced resin members to be joined, and a self-piercing rivet is driven in a state where the adhesive is uncured, and the rivet is placed on the upper fiber reinforced resin. A member is penetrated and the tip is retained in the lower fiber-reinforced resin member.

しかし、このように被接続部材の少なくとも一方が繊維強化樹脂部材である部材同士の接続にセルフピアスリベットによる接合方法を適用すると、リベットの先端の突き刺さりによってマトリックス樹脂が割れたり、繊維強化樹脂部材中の繊維材が切れたりしてしまい、リベットと繊維強化樹脂部材が金属板のように十分に固定され難い。このことから、特許文献２に開示される接続方法では、繊維強化樹脂部材同士の接続箇所が接着剤のみで接合されるのと実質的に同じとなり、セルフピアスリベット接合の奏する強固なインターロック接続構造を形成できないことから、せん断や曲げといった外力に弱い接続構造となってしまう。   However, when a joining method using a self-piercing rivet is applied to the connection between members in which at least one of the members to be connected is a fiber reinforced resin member, the matrix resin may break due to the piercing of the tip of the rivet, or the fiber reinforced resin member The fiber material is cut, and the rivet and the fiber-reinforced resin member are not easily fixed like the metal plate. For this reason, in the connection method disclosed in Patent Document 2, the connection portion between the fiber reinforced resin members is substantially the same as that bonded only by an adhesive, and a strong interlock connection with self-piercing rivet bonding is achieved. Since the structure cannot be formed, the connection structure is weak against external forces such as shearing and bending.

また、特許文献１で開示される２つの金属部材の接合部を加熱処理する方法を少なくとも樹脂部材を含む２以上の部材の接合部に適用した場合であっても、単に接合部を加熱処理するのみでは、セルフピアスリベットが十分に塑性変形して広がることを保証し得ず、少なくとも樹脂部材を含む２以上の部材同士を強固に接続できるか否かは不明である。   Moreover, even if it is a case where the method of heat-processing the junction part of two metal members disclosed by patent document 1 is applied to the junction part of two or more members containing a resin member at least, a junction part is only heat-processed. However, it is not possible to guarantee that the self-piercing rivet is sufficiently plastically deformed and spread, and it is unclear whether two or more members including at least the resin member can be firmly connected to each other.

特開２０１０−１８８３８３号公報JP 2010-188383 A 特開２００７−２２９９８０号公報JP 2007-229980 A

本発明は上記する問題に鑑みてなされたものであり、２以上の部材を接続する接続方法であってそのうちの少なくとも一方は樹脂部材からなる接続方法に関し、この接続方法にセルフピアスリベットによる接続方法を適用した場合でも、マトリックス樹脂が割れることがなく、セルフピアスリベットを介して強固に２以上の部材を接続することのできる部材の接続方法を提供することを目的とする。   The present invention has been made in view of the above problems, and relates to a connection method for connecting two or more members, at least one of which is made of a resin member. This connection method includes a connection method using self-piercing rivets. It is an object of the present invention to provide a member connection method capable of firmly connecting two or more members via a self-piercing rivet without causing the matrix resin to break even when applied.

前記目的を達成すべく、本発明による部材の接続方法は、２以上の部材の重ね合わせ箇所を筒状の胴部を有するセルフピアスリベットで接続する部材の接続方法であって、前記重ね合わせ箇所を形成する少なくとも最下層に熱可塑性樹脂をマトリックス樹脂とする樹脂部材を配し、環状の凹溝と該凹溝の中にある凸部をその頂面に備えたリベットダイスの該頂面に該重ね合わせ箇所を載置し、前記樹脂部材を熱処理してマトリックス樹脂を軟化させた状態で、セルフピアスリベットの前記胴部の先端をリベットダイスの前記環状の凹溝に位置合わせしながら重ね合わせ箇所の最上層の部材の上方からセルフピアスリベットを打ち込んで前記樹脂部材の内部まで到達させ、この到達の過程で、セルフピアスリベットの胴部の先端が前記環状の凹溝内で塑性変形しながら広がり、マトリックス樹脂の硬化によって重ね合わせ箇所の接続をおこなうものである。   In order to achieve the above object, a member connecting method according to the present invention is a member connecting method in which two or more members are overlapped by a self-piercing rivet having a cylindrical body, A resin member having a thermoplastic resin as a matrix resin is disposed at least in the lowermost layer, and an annular concave groove and a convex portion in the concave groove are provided on the top surface of the rivet die. Place the overlapping part and place the tip of the body part of the self-piercing rivet in the annular concave groove of the rivet die while the resin resin is heat treated to soften the matrix resin. A self-piercing rivet is driven from above the uppermost layer member to reach the inside of the resin member, and in the process of reaching, the tip of the body portion of the self-piercing rivet is Spread while plastically deforming the inner and performs a connection points superimposed upon curing of the matrix resin.

本発明の部材の接続方法は、２以上の部材を筒状の胴部（ピアス）を有するセルフピアスリベットを用いて接続するに当たり、少なくとも胴部の先端が留まる最下層の部材に熱可塑性樹脂をマトリックス樹脂とする樹脂部材を配し、この最下層の樹脂部材を熱処理してマトリックス樹脂を軟化させた状態でセルフピアスリベットを打ち込んで接続するものであり、セルフピアスリベットの打ち込みに当たり、環状の凹溝と凹溝の中にある凸部をその頂面に備えたリベットダイスの該頂面に該重ね合わせ箇所を載置し、胴部の先端をリベットダイスの環状の凹溝に位置合わせしながらセルフピアスリベットを打ち込むことによって、胴部の先端が凹溝に案内されながら効果的に塑性変形することができ、もって接続強度の高い接続構造を形成することができるものである。   In the method for connecting members according to the present invention, when two or more members are connected using a self-piercing rivet having a cylindrical body (pierce), a thermoplastic resin is applied to at least the lowermost member where the tip of the body stays. A resin member serving as a matrix resin is disposed, and a self-piercing rivet is driven and connected in a state where the matrix resin is softened by heat-treating the lowermost resin member. The overlapping portion is placed on the top surface of a rivet die having a groove and a convex portion in the concave groove on the top surface, and the tip of the body portion is aligned with the annular concave groove of the rivet die. By driving the self-piercing rivet, the tip of the body can be effectively plastically deformed while being guided by the concave groove, thereby forming a connection structure with high connection strength. It is what it is.

セルフピアスリベットが最上層の部材の上方から打ち込まれて最下層の部材以外の部材を貫通し、この過程で胴部の先端が塑性変形して側方へ広がり、最下層の部材内部にこの先端が留まろうとする際に、この最下層の部材が軟化していることで、リベット打ち込みの際に最下層の樹脂部材が割れるといった課題は効果的に解消される。そして、この樹脂部材の割れの解消に加えて、軟化した樹脂部材が硬化することによってセルフピアスリベットと樹脂部材間のシール性も良好となる。   The self-piercing rivet is driven from above the uppermost member and penetrates the members other than the lowermost member. In this process, the tip of the body is plastically deformed and spreads to the side, and this tip is inserted inside the lowermost member. The problem that the lowermost layer resin member breaks when the rivet is driven is effectively eliminated by the softening of the lowermost layer member when trying to stay. In addition to eliminating the cracks in the resin member, the softened resin member is hardened to improve the sealing performance between the self-piercing rivet and the resin member.

ここで、「少なくとも最下層に熱可塑性樹脂をマトリックス樹脂とする樹脂部材を配し」とは、複数部材のうちの最下層の部材のみが熱可塑性樹脂をマトリックス樹脂とする樹脂部材であることのほかに、２つの部材を接続する場合にその双方の部材がともに熱可塑性樹脂をマトリックス樹脂とする樹脂部材からなる形態や、３つの部材を接続する場合に全ての部材が熱可塑性樹脂をマトリックス樹脂とする樹脂部材からなる形態、３つの部材のうちの最上層および最下層もしくは中間層および最下層の２つの部材が熱可塑性樹脂をマトリックス樹脂とする樹脂部材からなり、残りの部材が熱硬化性樹脂をマトリックス樹脂とする樹脂部材やアルミニウムやその合金、高張力鋼板などの金属板からなる形態など、接合部材の組み合わせのバリエーションは多様に存在する。   Here, “at least a resin member having a thermoplastic resin as a matrix resin is arranged at the lowest layer” means that only the lowermost member of the plurality of members is a resin member having a thermoplastic resin as a matrix resin. In addition, when two members are connected, both of them are made of a resin member having a thermoplastic resin as a matrix resin, or when three members are connected, all members are made of a thermoplastic resin as a matrix resin. Of the three members, the uppermost layer and the lowermost layer or the middle layer and the lowermost layer of the three members are composed of resin members having a thermoplastic resin as a matrix resin, and the remaining members are thermosetting. Variants of combinations of joining members, such as resin members that use resin as matrix resin, aluminum, alloys thereof, and metal plates such as high-tensile steel plates Shon is present diverse.

少なくとも最下層の樹脂部材を形成する熱可塑性樹脂としては、ポリアミド（PA）やポリプロピレン（PP）などの結晶性プラスチック、ポリスチレン（PS）やポリ塩化ビニル（PVC）などの非結晶性プラスチックなどを挙げることができる。   Examples of the thermoplastic resin that forms at least the lowermost resin member include crystalline plastics such as polyamide (PA) and polypropylene (PP), and amorphous plastics such as polystyrene (PS) and polyvinyl chloride (PVC). be able to.

さらに、マトリックス樹脂内に繊維材が含有されていてもよく、炭素繊維や、ガラス繊維等の無機繊維、金属繊維、ポリアミド等の有機繊維のいずれか一種もしくは２種以上の混合材を使用することができる。   Furthermore, a fiber material may be contained in the matrix resin, and one or a mixture of two or more of carbon fibers, inorganic fibers such as glass fibers, metal fibers, and organic fibers such as polyamide is used. Can do.

ここで、「軟化させた状態で」とは、熱可塑性樹脂からなる樹脂部材を軟化点以上の温度であって、かつ融点未満の温度条件で熱処理することにより、樹脂部材が硬質な固体状態ではなく、セルフピアスリベットを挿入し易い程度に軟らかくなっており、しかも液体状態にまでは至っていない硬さ状態を意味している。たとえば熱可塑性樹脂にナイロン６（PA6）を使用した際に、その軟化点は180℃、融点が220℃であることから、180℃〜220
℃の範囲で熱処理して樹脂部材を軟化させることになる。また、熱可塑性樹脂にポリプロピレン（PP）を使用した際に、その軟化点は140℃、融点が165℃であることから、140℃〜165℃の範囲で熱処理して樹脂部材を軟化させることになる。 Here, “in a softened state” means that the resin member is made of a thermoplastic resin at a temperature equal to or higher than the softening point and lower than the melting point, so that the resin member is in a hard solid state. This means that the self-piercing rivet is soft enough to be inserted, and the hardness does not reach the liquid state. For example, when nylon 6 (PA6) is used as a thermoplastic resin, the softening point is 180 ° C and the melting point is 220 ° C.
The resin member is softened by heat treatment in the range of ° C. In addition, when polypropylene (PP) is used as the thermoplastic resin, the softening point is 140 ° C. and the melting point is 165 ° C. Therefore, the resin member is softened by heat treatment in the range of 140 ° C. to 165 ° C. Become.

また、たとえば胴部の先端の内側をテーパー状の先鋭形状に加工しておくことで、非軟化状態で剛性の高い上層の部材を胴部が貫通する過程で胴部の内側にある高剛性の上層部材によってその先端が塑性変形して外側に広がり易くなり、さらにリベットダイスの環状の凹溝に案内されるようにして軟化した最下層の部材内で胴部の先端が塑性変形し、好ましくは胴部の先端がカールして（上方に巻き上がる）最下層の部材内で定着される。   In addition, for example, by processing the inside of the front end of the body part into a tapered sharp shape, the high rigidity inside the body part in the course of the body part passing through the upper layer member having high rigidity in a non-softened state. The upper layer member is plastically deformed and easily spreads outward, and further, the distal end of the body is plastically deformed in the lowermost member softened so as to be guided by the annular concave groove of the rivet die. The front end of the body portion is curled (rolled upward) and fixed in the lowermost member.

樹脂部材が硬化することによって２以上の部材がセルフピアスリベット接続され、最下層の樹脂部材内で外側に広げられたリベットと各部材との間の摩擦力によって２以上の部材を強固にインターロック接続することができる。   Two or more members are self-piercing rivet-connected by curing the resin member, and the two or more members are firmly interlocked by the frictional force between each member and the rivet spread outward in the lowermost resin member Can be connected.

本発明の接続方法を適用することで、セルフピアスリベットの打ち込みに際して最下層の部材のマトリックス樹脂が軟化しているために、最下層の部材がマトリックス樹脂内に繊維材を包含する繊維強化樹脂部材の場合であっても、セルフピアスリベットの打ち込みによって最下層の部材のマトリックス樹脂を割ることなく、さらには繊維材を切断することなくリベット先端を最下層の部材内に配設することができる。   By applying the connection method of the present invention, since the matrix resin of the lowermost member is softened when the self-piercing rivet is driven, the lowermost member includes a fiber material in the matrix resin. Even in this case, the rivet tip can be disposed in the lowermost layer member without breaking the matrix resin of the lowermost layer member by driving the self-piercing rivet, and further without cutting the fiber material.

なお、最下層の樹脂部材を軟化させる方法は、ヒータ(ファン、遠赤外線、電熱線など)による熱処理のほか、超音波溶着や振動溶着などの接触加熱処理などを挙げることができる。   Examples of the method for softening the lowermost resin member include heat treatment using a heater (fan, far infrared ray, heating wire, etc.) and contact heat treatment such as ultrasonic welding and vibration welding.

さらに、ヒータ内蔵のリベットダイス上に重ね合わせ箇所を載置し、このヒータによる熱処理によってマトリックス樹脂を軟化させてもよい。   Furthermore, the overlapping portion may be placed on a rivet die with a built-in heater, and the matrix resin may be softened by heat treatment using the heater.

また、本発明の部材の接続方法の他の実施の形態は、前記重ね合わせ箇所を形成する少なくとも最下層に熱可塑性樹脂をマトリックス樹脂とする樹脂部材を配し、前記樹脂部材を熱処理してマトリックス樹脂を軟化させた状態で、環状の凹溝と該凹溝の中にある凸部をその頂面に備えたリベットダイスの該頂面に該重ね合わせ箇所を載置し、セルフピアスリベットの前記胴部の先端をリベットダイスの前記環状の凹溝に位置合わせしながら重ね合わせ箇所の最上層の部材の上方からセルフピアスリベットを打ち込んで前記樹脂部材の内部まで到達させ、この到達の過程で、セルフピアスリベットの胴部の先端が前記環状の凹溝内で塑性変形しながら広がり、マトリックス樹脂の硬化によって重ね合わせ箇所の接続をおこなうものである。   In another embodiment of the method for connecting members according to the present invention, a resin member having a thermoplastic resin as a matrix resin is disposed at least on the lowest layer forming the overlapping portion, and the resin member is heat-treated to form a matrix. With the resin softened, the overlapping portion is placed on the top surface of a rivet die provided with an annular concave groove and a convex portion in the concave groove on the top surface, and the self-piercing rivet While aligning the front end of the body portion with the annular concave groove of the rivet die, the self-piercing rivet is driven from above the uppermost member of the overlapping portion to reach the inside of the resin member. The front end of the body portion of the self-piercing rivet spreads while being plastically deformed in the annular concave groove, and the overlapping portions are connected by hardening of the matrix resin.

この実施の形態の接続方法は、リベットダイスに２以上の部材の重ね合わせ箇所を載置するに当たり、最下層の樹脂部材を熱処理して軟化させた後に重ね合わせ箇所をリベットダイスの頂面に載置する方法である。この方法によっても、リベットダイスの環状の凹溝に案内されるようにして軟化した最下層の部材内で胴部の先端を良好に塑性変形させることができ、２以上の部材を強固にインターロック接続することができる。また、軟化した樹脂部材内にセルフピアスリベットが入り込むことから、樹脂部材の割れが抑制され、軟化した樹脂部材が硬化することによってセルフピアスリベットと樹脂部材間のシール性も良好となる。   In the connection method of this embodiment, when placing the overlapping portion of two or more members on the rivet die, the lowermost resin member is softened by heat treatment and then the overlapping portion is placed on the top surface of the rivet die. It is a method to put. Also by this method, the tip of the body can be plastically deformed well in the lowermost member softened by being guided by the annular concave groove of the rivet die, and two or more members can be firmly interlocked. Can be connected. Further, since the self-piercing rivet enters the softened resin member, cracking of the resin member is suppressed, and the softened resin member is hardened to improve the sealing performance between the self-piercing rivet and the resin member.

以上の説明から理解できるように、本発明の部材の接続方法によれば、接続される２以上の部材の重ね合わせ箇所を形成する少なくとも最下層に熱可塑性樹脂をマトリックス樹脂とする樹脂部材を配し、環状の凹溝と該凹溝の中にある凸部をその頂面に備えたリベットダイスの該頂面に該重ね合わせ箇所を載置し、これを熱処理してマトリックス樹脂を軟化させた状態で最上層の部材の上方からセルフピアスリベットを打ち込んでこの軟化した樹脂部材の内部まで到達させ、マトリックス樹脂の硬化によって重ね合わせ箇所の接続をおこなうことにより、胴部の先端を環状の凹溝内で良好に塑性変形させながら広げることができ、好ましくはカールさせることによって、セルフピアスリベット打ち込みの際に樹脂部材を割ることなく、しかも高い接続強度で部材同士を接続することができる。   As can be understood from the above description, according to the member connecting method of the present invention, a resin member having a thermoplastic resin as a matrix resin is disposed at least in the lowermost layer forming the overlapping portion of two or more members to be connected. Then, the overlapping portion was placed on the top surface of a rivet die provided with an annular concave groove and a convex portion in the concave groove on the top surface, and this was heat treated to soften the matrix resin. In the state, a self-piercing rivet is driven from above the uppermost member to reach the inside of the softened resin member, and the overlapped portion is connected by curing the matrix resin, so that the tip of the body portion is formed in an annular groove. It can be spread while being plastically deformed well, preferably by curling, without breaking the resin member during self-piercing rivet driving, It can be connected to members together with have connection strength.

（ａ）はセルフピアスリベット接続に供されるシリンダ機構とリベットダイスの縦断面図であり、（ｂ）は（ａ）のｂ−ｂ矢視図である。(A) is a longitudinal cross-sectional view of a cylinder mechanism and a rivet die provided for self-piercing rivet connection, and (b) is a view taken along the line bb of (a). ２つの部材の重ね合わせ箇所がリベットダイスの載置台上に載置されている状態を説明した図である。It is the figure explaining the state by which the overlapping location of two members is mounted on the mounting table of a rivet die. リベットダイス内のヒータにて下方の樹脂部材が軟化され、セルフピアスリベットが打ち込まれている状態を説明した図である。It is a figure explaining the state where the lower resin member was softened with the heater in a rivet die, and the self-piercing rivet was driven. セルフピアスリベットが完全に打ち込まれ、下方の樹脂部材が硬化して２つの部材が接続された状態を説明した図である。It is a figure explaining the state where the self-piercing rivet was driven completely, the lower resin member was hardened, and two members were connected.

以下、図面を参照して本発明の部材の接続方法の実施の形態を説明する。なお、図示例は２つの部材を接続する方法を示したものであるが、図示する方法を用いて３以上の部材を接続してもよいことは勿論のことである。   Embodiments of a method for connecting members according to the present invention will be described below with reference to the drawings. Although the illustrated example shows a method of connecting two members, it is needless to say that three or more members may be connected using the illustrated method.

（部材の接続方法）
図１〜４はその順に、本発明の部材の接続方法を説明するフロー図となっている。具体的には、図１はセルフピアスリベット接続に供されるシリンダ機構とリベットダイスの縦断面図であり、図２は２つの部材がリベットダイスの載置台上に載置されている状態を説明した図であり、図３はリベットダイス内のヒータにて下方の樹脂部材が溶融され、セルフピアスリベットが打ち込まれている状態を説明した図であり、図４はセルフピアスリベットが完全に打ち込まれ、下方の樹脂部材が硬化して２つの部材が接続された状態を説明した図である。 (Member connection method)
1 to 4 are flowcharts for explaining the connecting method of members of the present invention in that order. Specifically, FIG. 1 is a longitudinal sectional view of a cylinder mechanism and a rivet die provided for self-piercing rivet connection, and FIG. 2 illustrates a state in which two members are mounted on a mounting table for the rivet die. FIG. 3 is a diagram illustrating a state in which the lower resin member is melted by the heater in the rivet die and the self-piercing rivet is driven, and FIG. 4 is a diagram in which the self-piercing rivet is completely driven. It is the figure explaining the state where the lower resin member hardened and two members were connected.

以下、本発明の部材の接続方法を適用して上下２つの繊維強化樹脂部材同士を接続する方法を説明する。   Hereinafter, a method of connecting two upper and lower fiber reinforced resin members by applying the member connecting method of the present invention will be described.

図１ａで示すように、２つの繊維強化樹脂部材の一部を重ね合わせた重ね合わせ箇所が載置されるリベットダイス３と、その上方に位置してシリンダ１内をパンチ２が摺動自在なシリンダ機構とからなる製造システムを用意する。   As shown in FIG. 1a, a rivet die 3 on which an overlapped portion where two fiber reinforced resin members are overlapped is placed, and a punch 2 is slidable in a cylinder 1 positioned above the rivet die. A manufacturing system comprising a cylinder mechanism is prepared.

リベットダイス３は、図１ｂで示すようにその平面視が円形であり、繊維強化樹脂材が載置される頂面３ａには環状の凹溝３ｂが形成されている。   As shown in FIG. 1b, the rivet die 3 is circular in plan view, and an annular groove 3b is formed on the top surface 3a on which the fiber-reinforced resin material is placed.

さらに、リベットダイス３内にはヒータ４が内蔵されている。   Further, a heater 4 is built in the rivet die 3.

シリンダ１内では、その内部で摺動するパンチ２の下面にリベット５が吸着等で仮固定されるようになっている。   In the cylinder 1, the rivet 5 is temporarily fixed to the lower surface of the punch 2 that slides inside the cylinder 1 by suction or the like.

使用されるセルフピアスリベット５は、その平面視が円形の端面５ｂと、この端面５ｂから突出する筒状の胴部５ａとからなる縦断面視が門形を呈したものであり、その素材はアルミニウムやその合金、鋼などから形成される。   The self-piercing rivet 5 to be used has a gate shape in a longitudinal sectional view composed of an end surface 5b having a circular shape in plan view and a cylindrical body portion 5a protruding from the end surface 5b. It is formed from aluminum, its alloys, steel, etc.

図２で示すように、用意された製造システムを構成するリベットダイス３の頂面３ａ上に、繊維強化樹脂部材からなる上方の樹脂部材７と下方の樹脂部材６の重ね合わせ箇所を位置決めし、上方の樹脂部材７上にシリンダ１をセットする。   As shown in FIG. 2, on the top surface 3a of the rivet die 3 constituting the prepared manufacturing system, the overlapping position of the upper resin member 7 made of a fiber reinforced resin member and the lower resin member 6 is positioned, The cylinder 1 is set on the upper resin member 7.

ここで、上方部材７、下方部材６を形成する繊維強化樹脂部材のうち、少なくとも下方部材６のマトリックス樹脂は熱可塑性樹脂からなり、このマトリックス樹脂の内部に適宜の繊維材が混入されている。   Here, among the fiber reinforced resin members forming the upper member 7 and the lower member 6, at least the matrix resin of the lower member 6 is made of a thermoplastic resin, and an appropriate fiber material is mixed inside the matrix resin.

樹脂部材６，７のマトリックス樹脂として使用される熱可塑性樹脂としては、ポリエチレン（PE）やポリプロピレン（PP）、ポリアミド（PA：ナイロン6、ナイロン66など）、ポリアセタール（POM）、ポリエチレンテレフタレート（PET）などの結晶性プラスチック、ポリスチレン（PS）、ポリ塩化ビニル（PVC）、ポリメタクリル酸メチル（PMMA）、ABS樹脂、熱可塑性エポキシなどの非結晶性プラスチックなどのうちのいずれか一種もしくはそれらの２種以上を混合した材料を適用することができる。   The thermoplastic resin used as the matrix resin for resin members 6 and 7 includes polyethylene (PE), polypropylene (PP), polyamide (PA: nylon 6, nylon 66, etc.), polyacetal (POM), polyethylene terephthalate (PET) Crystalline plastics such as, polystyrene (PS), polyvinyl chloride (PVC), polymethyl methacrylate (PMMA), ABS resin, amorphous plastics such as thermoplastic epoxy, or two of them A material in which the above is mixed can be applied.

また、マトリックス樹脂内に含有されている繊維材（短繊維、長繊維、連続繊維）としては、ボロンやアルミナ、炭化ケイ素、窒化ケイ素、ジルコニアなどのセラミック繊維や、ガラス繊維や炭素繊維といった無機繊維、銅や鋼、アルミニウム、ステンレス等の金属繊維、ポリアミドやポリエステルなどの有機繊維のいずれか一種もしくは２種以上の混合材を適用することができる。   Moreover, as fiber materials (short fibers, long fibers, continuous fibers) contained in the matrix resin, ceramic fibers such as boron, alumina, silicon carbide, silicon nitride, and zirconia, and inorganic fibers such as glass fibers and carbon fibers Any one kind or a mixture of two or more kinds of metal fibers such as copper, steel, aluminum and stainless steel, and organic fibers such as polyamide and polyester can be applied.

なお、下方部材６は熱可塑性樹脂をマトリックス樹脂としながら繊維材が混入されていない樹脂部材であってもよい。   The lower member 6 may be a resin member in which a thermoplastic resin is a matrix resin and a fiber material is not mixed therein.

また、上方部材７は、熱硬化性樹脂をマトリックス樹脂として繊維材が混入された繊維強化樹脂部材や繊維材が混入されていない樹脂部材、さらには、アルミニウムやその合金、高張力鋼板などの金属素材からなる部材であってもよい。   The upper member 7 includes a fiber reinforced resin member in which a fiber material is mixed using a thermosetting resin as a matrix resin, a resin member in which a fiber material is not mixed, and a metal such as aluminum, an alloy thereof, and a high-tensile steel plate. It may be a member made of a material.

上方部材７と下方部材６の重ね合わせ箇所を頂面３ａ上に位置決めした状態で、リベットダイス３に内蔵されたヒータ４を稼動させ、リベットダイス３を介して下方部材６を加熱する。より具体的には、下方部材６のマトリックス樹脂として適用された熱可塑性樹脂の軟化点以上の温度であって、かつ融点未満の温度で下方部材６を熱処理し、このマトリックス樹脂を軟化させる。   In a state where the upper member 7 and the lower member 6 are positioned on the top surface 3 a, the heater 4 built in the rivet die 3 is operated, and the lower member 6 is heated via the rivet die 3. More specifically, the lower member 6 is heat-treated at a temperature equal to or higher than the softening point of the thermoplastic resin applied as the matrix resin of the lower member 6 and lower than the melting point to soften the matrix resin.

なお、下方部材６のマトリックス樹脂が軟化した際に、上方部材７のマトリックス樹脂は軟化しておらず、したがって下方部材６に比して上方部材７は高剛性を有している。   When the matrix resin of the lower member 6 is softened, the matrix resin of the upper member 7 is not softened. Therefore, the upper member 7 has higher rigidity than the lower member 6.

図３で示すように、下方部材６のみが軟化している状態でシリンダ１内でパンチ２を摺動させ、パンチ２からセルフピアスリベット５を上方部材７側に押し込むことにより（押圧力Ｑ）、リベット５の胴部５ａが上方部材７に打ち込まれてこれを貫通し、さらに軟化状態の下方部材６に胴部５ａの先端が入り込むことになる。   As shown in FIG. 3, the punch 2 is slid in the cylinder 1 with only the lower member 6 softened, and the self-piercing rivet 5 is pushed from the punch 2 toward the upper member 7 (pressing force Q). The body 5a of the rivet 5 is driven into and penetrates the upper member 7, and the tip of the body 5a enters the lower member 6 in a softened state.

そして、この胴部５ａは上方部材７を貫通する過程で内側から圧力ｑを受けて塑性変形しながら外側に開き、さらに軟化した下方部材６内に打ち込まれる過程でも内側から圧力ｑを受けて塑性変形しながら外側に開くことになる。   The body 5a receives the pressure q from the inside in the process of passing through the upper member 7 and opens outward while being plastically deformed, and further receives the pressure q from the inside to be plasticized in the process of being driven into the softened lower member 6. It will open outward while deforming.

特に、胴部５ａの先端がリベットダイス３の頂面３ａにある環状の凹溝３ｂに位置合わせされた状態で打ち込まれることから、軟化した下方部材６の内部では、胴部５ａが環状の凹溝３ｂに案内されながら外側に効果的に塑性変形することができる。   In particular, since the front end of the body portion 5a is driven in a state of being aligned with the annular groove 3b on the top surface 3a of the rivet die 3, the body portion 5a has an annular recess inside the softened lower member 6. It can be effectively plastically deformed outside while being guided by the groove 3b.

そして、セルフピアスリベット５の端面５ｂが上方部材７の上面と面一となるまで打ち込まれ、次いで軟化状態の下方部材６を硬化させることにより、上方部材７と下方部材６の重ね合わせ箇所を接続することができる。   Then, the self-piercing rivet 5 is driven until the end surface 5b is flush with the upper surface of the upper member 7, and then the softened lower member 6 is cured, thereby connecting the overlapping portions of the upper member 7 and the lower member 6. can do.

図４で示すように、リベット５の胴部５ａはリベットダイス３の凹溝３ｂ内にその一部が収容されるように外側に開き、上方部材７および下方部材６と胴部５ａの間の摩擦力によって双方の部材６，７を強固に接続することができる。   As shown in FIG. 4, the body portion 5a of the rivet 5 opens outward so that a part of the body portion 5a is accommodated in the recessed groove 3b of the rivet die 3, and the space between the upper member 7 and the lower member 6 and the body portion 5a. Both members 6 and 7 can be firmly connected by the frictional force.

なお、接続方法の他の実施の形態として、下方部材の重ね合わせ箇所を熱処理して軟化させた後にこの重ね合わせ箇所をリベットダイス上に載置し、セルフピアスリベットの打ち込みをおこなう方法であってもよい。   As another embodiment of the connecting method, the overlapping portion of the lower member is heat-treated and softened, and then the overlapping portion is placed on a rivet die and a self-piercing rivet is driven. Also good.

以上、本発明の実施の形態を図面を用いて詳述してきたが、具体的な構成はこの実施形態に限定されるものではなく、本発明の要旨を逸脱しない範囲における設計変更等があっても、それらは本発明に含まれるものである。   The embodiment of the present invention has been described in detail with reference to the drawings. However, the specific configuration is not limited to this embodiment, and there are design changes and the like without departing from the gist of the present invention. They are also included in the present invention.

１…シリンダ、２…パンチ、３…リベットダイス、３ａ…頂面、３ｂ…凹溝、４…ヒータ、５…セルフピアスリベット、５ａ…筒状の胴部、５ｂ…端面、６…下方部材（樹脂部材、繊維強化樹脂部材）、７…上方部材（樹脂部材、繊維強化樹脂部材）   DESCRIPTION OF SYMBOLS 1 ... Cylinder, 2 ... Punch, 3 ... Rivet die, 3a ... Top surface, 3b ... Groove, 4 ... Heater, 5 ... Self-piercing rivet, 5a ... Cylindrical trunk | drum, 5b ... End surface, 6 ... Lower part ( Resin member, fiber reinforced resin member), 7 ... upper member (resin member, fiber reinforced resin member)

Claims (5)

２以上の部材の重ね合わせ箇所を筒状の胴部を有するセルフピアスリベットで接続する部材の接続方法であって、
前記重ね合わせ箇所を形成する少なくとも最下層に熱可塑性樹脂をマトリックス樹脂とする樹脂部材を配し、環状の凹溝と該凹溝の中にある凸部をその頂面に備えたリベットダイスの該頂面に該重ね合わせ箇所を載置し、
前記樹脂部材を熱処理してマトリックス樹脂を軟化させた状態で、セルフピアスリベットの前記胴部の先端をリベットダイスの前記環状の凹溝に位置合わせしながら重ね合わせ箇所の最上層の部材の上方からセルフピアスリベットを打ち込んで前記樹脂部材の内部まで到達させ、この到達の過程で、セルフピアスリベットの胴部の先端が前記環状の凹溝内で塑性変形しながら広がり、マトリックス樹脂の硬化によって重ね合わせ箇所の接続をおこなう部材の接続方法。 A method for connecting members in which two or more members are overlapped by a self-piercing rivet having a cylindrical body,
A resin member having a thermoplastic resin as a matrix resin is disposed at least on the lowermost layer forming the overlapping portion, and the rivet die having an annular groove and a convex portion in the groove on the top surface thereof. Place the overlapping part on the top surface,
With the matrix resin softened by heat-treating the resin member, the top end of the barrel portion of the self-piercing rivet is aligned with the annular concave groove of the rivet die from above the uppermost layer member at the overlapping position. A self-piercing rivet is driven to reach the inside of the resin member, and in this process, the tip of the body of the self-piercing rivet spreads while being plastically deformed in the annular groove, and overlaps by hardening of the matrix resin. The connection method of the member which connects a location. ２以上の部材の重ね合わせ箇所を筒状の胴部を有するセルフピアスリベットで接続する部材の接続方法であって、
前記重ね合わせ箇所を形成する少なくとも最下層に熱可塑性樹脂をマトリックス樹脂とする樹脂部材を配し、前記樹脂部材を熱処理してマトリックス樹脂を軟化させた状態で、環状の凹溝と該凹溝の中にある凸部をその頂面に備えたリベットダイスの該頂面に該重ね合わせ箇所を載置し、
セルフピアスリベットの前記胴部の先端をリベットダイスの前記環状の凹溝に位置合わせしながら重ね合わせ箇所の最上層の部材の上方からセルフピアスリベットを打ち込んで前記樹脂部材の内部まで到達させ、この到達の過程で、セルフピアスリベットの胴部の先端が前記環状の凹溝内で塑性変形しながら広がり、マトリックス樹脂の硬化によって重ね合わせ箇所の接続をおこなう部材の接続方法。 A method for connecting members in which two or more members are overlapped by a self-piercing rivet having a cylindrical body,
A resin member having a thermoplastic resin as a matrix resin is disposed at least on the lowermost layer forming the overlapping portion, and the resin member is heat treated to soften the matrix resin, and the annular groove and the groove Placing the overlapping portion on the top surface of a rivet die having a convex portion on the top surface;
The self-piercing rivet is driven from above the uppermost member of the overlapping portion while the tip of the body portion of the self-piercing rivet is aligned with the annular concave groove of the rivet die to reach the inside of the resin member. A method of connecting members in which, in the process of reaching, the tip of the body portion of the self-piercing rivet spreads while being plastically deformed in the annular concave groove and the overlapping portions are connected by hardening of the matrix resin. 前記樹脂部材が前記マトリックス樹脂の内部に繊維材を含む繊維強化樹脂部材である請求項１または２に記載の部材の接続方法。   The method for connecting members according to claim 1, wherein the resin member is a fiber-reinforced resin member including a fiber material inside the matrix resin. 最下層の前記樹脂部材をヒータ内蔵のリベットダイス上に載置し、ヒータによる熱処理によってマトリックス樹脂を軟化させる請求項１〜３のいずれかに記載の部材の接続方法。   The member connection method according to claim 1, wherein the lowermost resin member is placed on a rivet die with a built-in heater, and the matrix resin is softened by heat treatment using the heater. 接続される部材のすべてが熱可塑性樹脂をマトリックス樹脂としてその内部に繊維材を含む繊維強化樹脂部材である請求項１〜４のいずれかに記載の部材の接続方法。   The method for connecting members according to any one of claims 1 to 4, wherein all of the members to be connected are fiber reinforced resin members including a thermoplastic resin as a matrix resin and a fiber material therein.
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