WO2005075178A1 - 超音波溶着構造及び超音波溶着方法 - Google Patents
超音波溶着構造及び超音波溶着方法 Download PDFInfo
- Publication number
- WO2005075178A1 WO2005075178A1 PCT/JP2005/001608 JP2005001608W WO2005075178A1 WO 2005075178 A1 WO2005075178 A1 WO 2005075178A1 JP 2005001608 W JP2005001608 W JP 2005001608W WO 2005075178 A1 WO2005075178 A1 WO 2005075178A1
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- WO
- WIPO (PCT)
- Prior art keywords
- heated
- resonator
- ultrasonic welding
- resin
- welding structure
- Prior art date
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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
- 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
- B29C66/32—Measures for keeping the burr form under control; Avoiding burr formation; Shaping the burr
- B29C66/322—Providing cavities in the joined article to collect the burr
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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
- B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
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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
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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
- B29C65/24—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools characterised by the means for heating the tool
- B29C65/245—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools characterised by the means for heating the tool the heat transfer being achieved contactless, e.g. by radiation
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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
- B29C65/56—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
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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
- B29C65/56—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
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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
- B29C65/56—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
- B29C65/60—Riveting or staking
- B29C65/606—Riveting or staking the rivets being integral with one of the parts to be joined, i.e. staking
- B29C65/607—Riveting or staking the rivets being integral with one of the parts to be joined, i.e. staking the integral rivets being hollow
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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
- B29C65/72—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
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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
- 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
- B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
- B29C66/024—Thermal pre-treatments
- B29C66/0242—Heating, or preheating, e.g. drying
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- 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
- B29C66/73—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
- B29C66/737—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 state of the material of the parts to be joined
- B29C66/7377—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 state of the material of the parts to be joined amorphous, semi-crystalline or crystalline
- B29C66/73771—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 state of the material of the parts to be joined amorphous, semi-crystalline or crystalline the to-be-joined area of at least one of the parts to be joined being amorphous
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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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
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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
- 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
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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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
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- 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
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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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
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- 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
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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
- 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
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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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/90—Measuring or controlling the joining process
- B29C66/95—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94
- B29C66/951—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94 by measuring or controlling the vibration frequency and/or the vibration amplitude of vibrating joining tools, e.g. of ultrasonic welding tools
- B29C66/9512—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94 by measuring or controlling the vibration frequency and/or the vibration amplitude of vibrating joining tools, e.g. of ultrasonic welding tools by controlling their vibration frequency
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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
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C66/01—General aspects dealing with the joint area or with the area to be joined
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- B29C66/30221—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 said melt initiators being point-like
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- 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
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- 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
- B29C66/73—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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C66/80—General aspects of machine operations or constructions and parts thereof
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- 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
- B29C66/81415—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 bevelled
- B29C66/81417—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 bevelled being V-shaped
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B29C66/80—General aspects of machine operations or constructions and parts thereof
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- 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
- B29C66/90—Measuring or controlling the joining process
- B29C66/95—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94
- B29C66/951—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94 by measuring or controlling the vibration frequency and/or the vibration amplitude of vibrating joining tools, e.g. of ultrasonic welding tools
- B29C66/9513—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94 by measuring or controlling the vibration frequency and/or the vibration amplitude of vibrating joining tools, e.g. of ultrasonic welding tools characterised by specific vibration frequency values or ranges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2055/00—Use of specific polymers obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in a single one of main groups B29K2023/00 - B29K2049/00, e.g. having a vinyl group, as moulding material
- B29K2055/02—ABS polymers, i.e. acrylonitrile-butadiene-styrene polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2069/00—Use of PC, i.e. polycarbonates or derivatives thereof, as moulding material
Definitions
- the present invention relates to an ultrasonic welding structure and an ultrasonic welding method for performing welding using vibration energy by ultrasonic waves, and particularly relates to a columnar object to be heated made of resin and a resonator.
- the present invention relates to an ultrasonic welding structure and an ultrasonic welding method for heating and welding the object to be heated to a predetermined object by applying high-frequency vibration from the resonator to the object to be heated.
- ultrasonic welding has been used in which an object to be heated composed of a thermoplastic resin is heated by ultrasonic vibration energy to be fixed to another object to be bonded such as a resin or a metal. It has been.
- a resonator called a horn is pressed against an object to be heated, and the force of the resonator also applies high-frequency mechanical vibration.
- the heated body that has received the mechanical vibrations rises in temperature due to the conversion of the vibration energy into frictional heat therein, melts and is fixed to the welded body (for example, see Patent Document 1).
- FIG. 26 is a perspective view showing an example of the use of ultrasonic welding in an actuator
- FIG. 27 is an enlarged perspective view of the welded portion before welding
- FIG. 28 is an enlarged perspective view of the welded portion after welding.
- the scanning movable part 100 is fixed to the fixed part 102 via the power panel panel 101.
- the movable portion 100 and the fixed portion 102 are provided with a columnar resin (boss) 103 as a heated object.
- An object to be joined is formed at an end of the panel panel 101 by sandwiching the panel panel 101 with a fixing resin 104.
- the fixing resin 104 is provided with a through hole for passing a heat-receiving body. Then, as shown in FIG. 27, after the resin 103 is passed through the through hole, the end of the resin 103 is melted by ultrasonic welding, and as shown in FIG. Is fixed to the fixing resin 104.
- FIG. 29 is a longitudinal sectional view of the periphery of the welded portion before welding, and FIG.
- FIG. 30 is a longitudinal sectional view of the periphery of the welded portion after welding.
- a concave portion 106a that contacts the resin 103 is provided on the bottom surface of the horn 106, and a projection 106b that projects toward the resin 103 is provided inside the concave portion 106a. Is formed. This is because when the entire horn 106 is pressed against the resin 103 before softening, cracks and the like may be generated in the resin 103 due to vibration energy from the horn 106. By pressing against the resin 103, only a part of the resin 103 is softened, and then the other part of the resin 103 is gradually softened, thereby preventing the occurrence of cracks and the like. That's why.
- an amorphous resin is generally used as the resin 103 constituting the object to be heated.
- the amorphous resin has an irregular molecular arrangement and a wide range of softening temperature, so that the resin 103 gradually softens and melts and has good ultrasonic conduction properties.
- Patent Document 1 JP-A-2000-79638
- FIG. 31 is a diagram showing a correlation between a phenomenon that can occur in conventional ultrasonic welding and a main cause thereof. As shown in FIG. 31, it is considered that the void 107 is caused by too much vibration energy applied to the resin 103. In this case, only a portion of the resin 103 is melted and deformed, thereby entraining air between the resin 103 and other non-melted portions, or forming air contained in the resin 103 into bubbles. It is thought to change.
- the crack 109 is apt to cause stress concentration like the base of the resin 103 because the vibration energy applied to the resin 103 is too large or the amount of deformation of the dissolved resin 103 is excessive. It is thought to be caused by the minimal destruction of resin 103 in the part.
- the present invention has been made in view of the above, and has an ultrasonic welding structure capable of improving the durability by reducing the occurrence of voids, ridges, or cracks in a welded portion. And an ultrasonic welding method.
- the present invention presses a resonator against a columnar heated body formed of resin and simultaneously removes the resonator from the resonator.
- An ultrasonic welding structure in which the object to be heated is heated and welded to a predetermined object by applying high-frequency vibration to the object to be heated, and the object to be welded passes through the object to be heated.
- the through hole of the member to be joined is provided with a notch at an inner edge on a side facing the resonator.
- the cutout portion of the insertion hole is a receiving portion that receives the heated object in a molten state.
- the notch of the insertion hole is formed by contacting an inner edge of the through hole with the inside of the joined body.
- the feature is that it is a stress relieving part for relieving the stress generated in the.
- the present invention according to claim 4 is characterized in that a resonator is pressed against a columnar object to be heated made of resin, and high-frequency vibration is applied from the resonator to the object to be heated.
- the resonator is pressed against a columnar heated body made of resin, and high-frequency vibration is applied from the resonator to the heated body,
- the portion is formed in a substantially hemispherical or substantially conical shape.
- the resonator is pressed against a columnar object to be heated made of resin, and high-frequency vibration is applied from the resonator to the object to be heated.
- An ultrasonic welding structure for heat-welding the object to be heated to a predetermined object, wherein the resonator has a resonance projection projecting from a bottom surface thereof toward the object to be heated, and the resonator has a bottom surface provided on the resonance body. Force An inclined surface reaching the base of the resonance projection is formed.
- the resonator is pressed against a columnar object to be heated made of resin, and high-frequency vibration is applied from the resonator to the object to be heated.
- An ultrasonic welding structure for heating and welding the object to be heated to a predetermined object to be bonded, wherein the resonator has a bottom surface force and a resonance protrusion projecting toward the object to be heated.
- a resonator receiving portion formed at least in a concave shape with respect to the resonator.
- the resonance protrusion of the resonator is formed in a substantially hemispherical shape, and the resonator of the heated object is formed.
- the receiving portion is formed in a substantially conical shape having a diameter capable of containing the substantially hemispherical resonance protrusion.
- the resonator receiving portion is formed in a long hole shape along a pressing direction of the resonator. It shall be.
- the present invention described in claim 10 is the present invention according to claim 7, wherein the resonance
- the body receiving portion is formed as a through hole extending along the pressing direction of the resonator and reaching the bottom surface of the body to be heated.
- the present invention according to claim 11 is the invention according to any one of claims 7 to 10, wherein a notch portion is provided at an upper edge of the resonator receiving portion.
- the resonator is pressed against a columnar object to be heated made of resin, and high-frequency vibration is applied from the resonator to the object to be heated.
- An ultrasonic welding structure that heat-welds the object to be heated to a predetermined object, wherein the object to be heated includes a large-diameter portion located on the base side of the object to be heated, and a large-diameter portion.
- the object to be heated includes a large-diameter portion located on the base side of the object to be heated, and a large-diameter portion.
- the object to be bonded includes a through hole for passing the object to be heated, and A boundary surface between the large-diameter portion and the small-diameter portion of the body is disposed below the upper surface of the body to be joined in a state where the body to be heated passes through the insertion hole.
- the resonator is pressed against a columnar object to be heated made of resin, and high-frequency vibration is applied from the resonator to the object to be heated.
- An ultrasonic welding structure for heating and welding the object to be heated to a predetermined object, wherein the resonator has a substantially hemispherical or substantially conical resonance projection projecting from the bottom surface toward the object to be heated; Part, and an inclined surface extending from the bottom surface to the base of the resonance projection.
- the object to be heated is a through hole extending along the pressing direction of the resonator and reaching the bottom surface of the object to be heated.
- a cavity-shaped resonator receiving portion is provided.
- the present invention as set forth in claim 15 is characterized in that a resonator is pressed against a columnar object to be heated made of resin and high-frequency vibration is applied from the resonator to the object to be heated.
- An ultrasonic welding method for heat-welding the object to be heated to a predetermined object to be welded comprising: a preheating step of heating a joint portion of the resonator with the object to be heated; A heating step of applying the high-frequency vibration by pressing the joined portion heated by heating to the object to be heated.
- the notch portion accepts molten resin or relieves stress generated in the resin, so that cracks and the like that have conventionally occurred can be reduced.
- the molten resin is received in the receiving portion, so that the mutual contact area between the resin and the fixing resin is increased, and the fixing force is improved. At the same time, the mutual contact portion between the resin and the fixing resin becomes thicker, and the strength is improved.
- the inner edge of the through hole since the inner edge of the through hole is cut out to form the stress relaxation portion, the inner edge of the through hole does not contact the outer surface of the resin, Alternatively, stress concentration in the resin is reduced even in the case of contact, so that all or a part of the conventional problems can be solved.
- the resin is fixed at three points by both ends of the resin base and the resonator connecting portion, an error occurs in the positioning of the resonator with respect to the resin.
- the three fixed positions on the resin side are always the same, the three-point fixed state can always be kept in a balanced state, and the occurrence of cracks and the like can be reduced.
- the resonance projection of the resonator is formed in a substantially hemispherical or substantially conical shape, even if there is an error in the positioning of the resonator, an appropriate position can be obtained. Welding can be advanced in a positional relationship, and all or some of the conventional problems can be solved
- the object to be heated is pressed by the inclined surface, so that the softened resin is pushed outward, so that welding can be performed with a weak force, and excessive pressing can be performed.
- the ultrasonic welding structure of the present invention even when there is an error in the positioning of the resonator, the resonance protrusion is received by the resonator receiver, and the proper position is obtained by the resonator receiver. Since a correcting force for correcting the wedge is applied, welding can be performed in an appropriate positional relationship, and all or a part of the conventional problems can be solved.
- the substantially hemispherical resonance projection is smoothly guided by the substantially conical resonator receiving portion, and the positioning error of the resonator is smoothly corrected.
- the resonator presses the long hole-shaped resonator receiving portion.
- the softened resin is pushed outward, so that the pressing force of the resonator can be weakened as compared with the conventional method, and welding can be performed with a weak force, which is caused by excessive pressing force. The problem can be solved.
- the rod-shaped portion for the resin mold can be fixed at both ends supported. Molding of the body receiving part is easy.
- the resonance protrusion of the resonator is cut by the notch so as to be inside the resonator receiving portion. And misalignment can be reduced.
- the ultrasonic welding structure of the present invention only the small diameter portion is melted to achieve the function of fixing the fixing resin, while the large diameter portion is not melted to increase the resin strength. Maintaining them can solve all or some of the conventional problems.
- the ultrasonic welding structure of the present invention welding can be performed while holding the most inflected surface of the structural change with the fixing resin, so that the inflected surface can be stably held. All or some of the existing problems can be solved. In particular, the generation of void ridges can be reduced as compared with the case where the inflection surface is disposed above the upper surface of the fixing resin.
- the pressing force since the inclined surface presses the resonator receiving portion, the pressing force generates an outward component corresponding to the inclination of the inclined surface, and the softening is performed. Flip the soaked resin outward.
- the fixed resin can be fixed by fixing the fallen resin on the upper surface of the fixing resin.
- the pressing force of the resonator can be weakened compared to before, and welding can be performed with a weak force, so that the problem caused by excessive pressing force can be solved obtain.
- the rod-shaped portion for the resin mold can be fixed by supporting both ends, so that the molding of the resonator receiving portion is easy.
- the resin is softened by the heat of the resonator at the initial stage of welding where the Young's modulus of the resin is high. After the Young's modulus has decreased, ultrasonic welding can be performed with a smaller vibration stroke as a whole than before, so that excessive vibration is not applied to the resin and Can be reduced.
- FIG. 1 is a perspective view schematically showing an ultrasonic welding apparatus according to Embodiment 1 of the present invention.
- FIG. 2 is a diagram showing a relationship between a conventional countermeasure for a cause of a problem and its effect.
- FIG. 3 is a longitudinal sectional view of a resin.
- FIG. 4 is a longitudinal sectional view of the ultrasonic welding structure according to Example 1 before welding.
- FIG. 5 is a longitudinal sectional view of the ultrasonic welding structure according to the first embodiment after welding.
- FIG. 6 is a longitudinal sectional view of an ultrasonic welding structure according to Example 2 before welding.
- FIG. 7 is a longitudinal sectional view of the ultrasonic welding structure according to Example 2 after welding.
- FIG. 8 is a longitudinal sectional view of the ultrasonic welding structure according to Example 3 before welding.
- FIG. 9 is a longitudinal sectional view of the ultrasonic welding structure according to Example 3 after welding.
- FIG. 10 is a longitudinal sectional view of an ultrasonic welding structure according to Example 4 before welding.
- FIG. 11 is a longitudinal sectional view of the ultrasonic welding structure according to Example 4 after welding.
- FIG. 12 is a longitudinal sectional view of a resonance protrusion of a horn according to a fifth embodiment.
- FIG. 13 is a longitudinal sectional view of an ultrasonic welding structure according to Example 5 before welding.
- FIG. 14 is a longitudinal sectional view of the ultrasonic welding structure according to Example 5 after welding.
- FIG. 15 is a longitudinal sectional view of an ultrasonic welding structure according to Example 6 before welding.
- FIG. 16 is a longitudinal sectional view of the ultrasonic welding structure according to Example 6 after welding.
- FIG. 17 is a longitudinal sectional view of an ultrasonic welding structure according to Example 7 before welding.
- FIG. 18 is a longitudinal sectional view of the ultrasonic welding structure according to Example 7 after welding.
- FIG. 19 is a perspective view schematically showing an ultrasonic welding device according to an eighth embodiment.
- FIG. 20 is a longitudinal sectional view of an ultrasonic welding structure according to Example 8 before welding.
- FIG. 21 is a longitudinal sectional view of the ultrasonic welding structure according to Example 8 after welding.
- FIG. 22 is a longitudinal sectional view of an ultrasonic welding structure according to Example 9 before welding.
- FIG. 23 is a longitudinal sectional view of the ultrasonic welding structure according to Example 9 after welding.
- FIG. 24 is a longitudinal sectional view of an ultrasonic welding structure according to Example 10 before welding.
- FIG. 25 is a longitudinal sectional view of the ultrasonic welding structure according to Example 10 after welding.
- FIG. 26 is a perspective view showing an example of use of ultrasonic welding in an actuator.
- FIG. 27 is an enlarged perspective view of a welding portion before welding.
- FIG. 28 is an enlarged perspective view of a welded portion after welding.
- FIG. 29 is a longitudinal sectional view of the vicinity of a welded portion before welding.
- FIG. 30 is a longitudinal sectional view of a portion around a welded portion after welding.
- FIG. 31 is a diagram showing a correlation between a phenomenon that can occur in conventional ultrasonic welding and a main cause thereof.
- Example 1 of an ultrasonic welding structure and an ultrasonic welding method according to the present invention will be described.
- the first embodiment is characterized in that a notch is formed on the inner edge of the through hole of the member to be joined, which is on the side facing the resonator, and the like. And a receiving portion for receiving a heated object in a molten state.
- FIG. 1 is a perspective view schematically showing an ultrasonic welding apparatus according to the first embodiment.
- the ultrasonic welding machine 1 includes a booster 2, a horn 3 as a resonator provided at an end of the booster 2, and a jig arranged to face the horn 3. 4 is configured.
- a vibrator (not shown) is provided inside the booster 2, and vibration from the vibrator is transmitted to the horn 3.
- the booster 2 is pressurized by a pressurizing source (not shown) and moves in a direction toward the receiving jig 4 (downward in the figure, which is a pressing direction), so that the horn 3 at the tip thereof is attached to the receiving jig. Press against resin 10 which is the object to be heated set on the upper surface of 4.
- FIG. 2 is a diagram showing the relationship between the countermeasures against the cause of the conventional problem and the effect thereof, as clarified by the applicant, and some or all of the countermeasures are shown in FIG. Will be achieved.
- FIG. 3 is a longitudinal sectional view of the resin.
- This resin 10 is formed of an amorphous resin, and can be made of polycarbonate or ABS (Acrylonitrile Butadiene Styrene). More preferably, the resin 10 is manufactured by Mitsubishi Engineering-Plastics Co., Ltd. Flowable resins can be used. However, the shape of the resin 10 can be arbitrarily changed.
- FIG. 4 is a longitudinal sectional view of the ultrasonic welding structure according to the first embodiment before welding
- FIG. 5 is a longitudinal sectional view of the ultrasonic welding structure according to the first embodiment after welding.
- the horn 3 is basically formed in the same shape as the conventional horn shown in FIG. That is, the bottom of the horn 3 is provided with a concave portion 3a that comes into contact with the resin, and the concave portion 3a is formed with a protrusion 3b that protrudes toward the resin side.
- the joined body is configured by sandwiching a plate panel 20 with a fixing resin 21 similarly to the conventional example shown in FIG.
- a through hole 23 for passing resin is formed substantially at the center of the hole.
- the through hole 23 of the fixing resin 21 has a receiving portion 24 for receiving the resin in a molten state at an inner edge on a side facing the horn 3. That is, since the inner edge of the through hole 23 is cut out over the entire circumference, the receiving portion 24 as a space having a substantially conical slope is formed at the upper edge of the through hole 23.
- the function of the receiving part 24 is as follows. That is, as shown in FIG. 5, the resin 10 melted by the vibration energy of the horn 3 is received by the receiving portion 24, so that the mutual contact area between the resin 10 and the fixing resin 21 increases. The adhesion force is improved, and the mutual contact portion between the resin 10 and the fixing resin 21 becomes thicker, so that the strength is improved. Thereby, all or a part of the conventional problems can be solved.
- the formation angle and diameter of the receiving portion 24 can be arbitrarily determined.
- the receiving portion 24 is formed to have a conical inclined surface, but may be formed as a rectangular or hemispherical space.
- the contact surface of the resonator with the object to be heated is formed substantially in a plane, and the object to be heated includes a resonator connecting portion formed to project from the resonator.
- the heated object is generally located at a large diameter portion located on the base side of the heated object and at a resonator side of the large diameter portion. And a small diameter portion having a small diameter. Structures and methods that are not particularly described are the same as those in the first embodiment described above, and the same configurations are denoted by the same reference numerals.
- FIG. 6 is a longitudinal sectional view of the ultrasonic welding structure according to the second embodiment before welding
- FIG. 7 is a longitudinal sectional view of the ultrasonic welding structure according to the second embodiment after welding.
- the concave portion 3a which is a contact surface with the resin 10
- the resin 10 has a resonator connecting portion 14 formed in a protruding shape with respect to the horn 3.
- the resonator connecting portion 14 is integrally formed of the same material as the resin 10 and is formed in a substantially conical shape toward the horn 3 at a substantially central position on the upper surface of the resin 10. Formed!
- the function of the resonator connecting portion 14 is as follows. That is, in the conventional example shown in FIG. 29, the projection 106b is formed on the bottom surface of the horn 3. In this case, when the protrusion 106b is pressed against the resin 10 before softening, the resin 10 is fixed at three points by both ends of the base and the protrusion 106b. Therefore, if there is an error in the positioning of the horn 3 with respect to the resin 10 in the horizontal direction, the three-point fixed state will become imbalanced, and excessive stress will be applied to the resin 10 to cause cracks and the like. Can be. On the other hand, in the configuration as in the second embodiment, the resin 10 is fixed at three points by both ends of the base and the resonator connecting portion 14.
- the formation angle and diameter of the resonator connecting portion 14 can be arbitrarily determined.
- the resonator connecting portion 14 is formed in a conical shape, but may be formed in a cylindrical shape.
- the resin 10 has a large diameter portion 15 and a small diameter portion 16 integrally provided.
- the large-diameter portion 15 is located on the base side of the resin 10 and is joined to the base via an inclined portion that gradually increases in diameter as the head portion is applied to the resin.
- the small-diameter portion 16 is located closer to the horn 3 than the large-diameter portion 15 and is formed to have a smaller diameter than the large-diameter portion 15.
- the inflection surface P is located closer to the horn than the upper surface of the fixing resin 21.
- resin 10 is formed.
- the functions of the large diameter portion 15 and the small diameter portion 16 are as follows. That is, in the conventional example shown in FIG. 29, the cylindrical portion of the resin 10 is formed with substantially the same diameter. In this case, not only the upper part but also the lower part of the resin 10 is melted by the vibration energy from the horn 3, which causes cracks and the like. On the other hand, in the configuration as in the third embodiment, only the small-diameter portion 16 is melted to achieve the function of adhering to the fixing resin 21, while the large-diameter portion 15 is not melted to increase the resin strength. The maintenance can solve all or a part of the conventional problems.
- the diameter and shape of the large diameter portion 15 and the small diameter portion 16 can be arbitrarily determined.
- the ratio of the length and diameter of the small diameter portion 16 to the large diameter portion 15 can be changed.
- the present invention is not limited to the two-stage configuration of the large-diameter portion 15 and the small-diameter portion 16, and may have a configuration having three or more stages by forming portions having different diameters.
- the resonator includes a resonance protrusion that also has a bottom surface force protruding toward the object to be heated
- the object to be heated includes a resonator receiver that is formed at least in a concave shape with respect to the resonator. It is characterized by having.
- the object to be heated is generally a large-diameter portion located on the base side of the object to be heated and a resonator located closer to the resonator than the large-diameter portion. And a small-diameter portion having a smaller diameter. Structures and methods that are not particularly described are the same as those in the second embodiment described above, and the same configurations are denoted by the same reference numerals.
- FIG. 8 is a longitudinal sectional view of the ultrasonic welding structure according to the third embodiment before welding
- FIG. 9 is a longitudinal sectional view of the ultrasonic welding structure according to the third embodiment after welding.
- horn 3 It is provided with a vibration projection 3c.
- the resonance projection 3c also has a substantially central force of the concave portion 3a on the bottom surface of the horn 3 protruding toward the resin 10, and has a substantially hemispherical vertical cross-sectional shape as illustrated.
- the resin 10 is provided with the resonator receiving portion 17.
- the resonator receiving portion 17 is formed at the center of the upper surface of the resin 10 and is formed in a substantially conical shape (concave shape) so as to include the substantially hemispherical resonance protrusion 3c. That is, the upper portion of the opening of the resonator receiving portion 17 is formed to be slightly wider than the maximum diameter of the resonance projection 3c, and the diameter is gradually reduced toward the base of the resin 10.
- the functions of the resonance projection 3c and the resonator receiving part 17 are as follows. That is, in the conventional example shown in FIG. 29, the projection 106b is formed on the bottom surface of the horn 3. On the other hand, the upper surface of the resin 10 was simply formed in a planar shape. In such a structure, if there is an error in the positioning of the horn 3 with respect to the resin 10 in the horizontal direction, a welding force proceeds without allowing the error because no correction force acts on the error. On the other hand, in the configuration of the third embodiment, even when there is an error in the positioning of the horn 3, the resonance projection 3c is received by the resonator receiving portion 17, and the resonance receiving portion 17 corrects the horn 3 to an appropriate position.
- the resonance protrusion 3c since a corrective force acts to perform welding, welding can be performed in an appropriate positional relationship, and all or a part of the conventional problems can be solved.
- the substantially hemispherical resonance protrusion 3c is smoothly guided by the substantially conical resonator receiving portion 17, the positioning error of the horn 3 is smoothly corrected.
- the shapes of the resonance protrusion 3c and the resonator receiving portion 17 can be arbitrarily determined.
- the resonance protrusion 3c may have a substantially conical shape.
- the object to be bonded is provided with a through hole for passing the object to be heated, and the interface between the large diameter portion and the small diameter portion in the object to be heated is heated.
- the body is disposed below the upper surface of the joined body in a state where the body is inserted through the through hole.
- the through hole of the joined body is provided with a notch on the inner edge on the side facing the resonator, and the notch is formed with the inner edge of the through hole.
- FIG. 10 is a longitudinal sectional view of the ultrasonic welding structure according to the fourth embodiment before welding
- FIG. 11 is a longitudinal sectional view of the ultrasonic welding structure according to the fourth embodiment after welding.
- the bottom of the horn 3 is provided with a concave portion 3b that comes into contact with the resin 10, as in the related art, and the concave portion 3b has a protrusion 3b protruding toward the resin. Is formed.
- the resin 10 includes a large diameter portion 15 and a small diameter portion 16 integrally.
- the inflection surface P which is the boundary surface between the large-diameter portion 15 and the small-diameter portion 16, is disposed below the upper surface of the fixing resin 21. That is, the inflection surface P is lowered by increasing the length of the small-diameter portion 16 with respect to the large-diameter portion 15 as compared with the case of Example 2-3.
- inflection surface P which has the most severe structural change, can be welded while being held by the fixing resin 21, the inflection surface P can be stably held, and all or a part of the conventional problems can be solved. I can do it. In particular, the occurrence of void ridges can be reduced as compared with the case where the inflection surface P is disposed above the upper surface of the fixing resin 21 (in the case of Examples 2-3).
- the diameter and the shape of the large-diameter portion 15 and the small-diameter portion 16 can be arbitrarily determined as long as this function can be achieved.
- the ratio of the length and diameter of the small diameter portion 16 to the large diameter portion 15 can be changed.
- the present invention is not limited to the two-stage configuration of the large-diameter portion 15 and the small-diameter portion 16, and may have a configuration having three or more stages by forming portions having different diameters.
- the inflection surface P is preferably between the upper surface and the lower surface of the fixing resin 21, but may be arranged below the lower surface of the fixing resin 21.
- a stress relaxation portion 25 is provided in the through hole 23 of the fixing resin 21.
- the stress relaxation portion 25 is formed by cutting out the inner edge of the through hole 23 on the side facing the resonator.
- the stress relieving portion 25 is smaller than the receiving portion of the first embodiment, for example, about 2 mm in RO.
- the function of the stress relaxation unit 25 is as follows. That is, in Example 2-3, after the resin 10 was dissolved, there was no notch in the inner edge of the through hole 23. Touch the surface. Therefore, stress concentration occurs at the periphery of the through hole 23 in the resin 10, which may cause cracks or the like.
- the stress relief portion 25 is formed by notching the inner edge, the inner edge does not contact the surface of the resin 10 after the resin 10 is dissolved. Alternatively, even in the case of contact, the stress that can be generated by this contact is reduced as compared with the conventional case. Therefore, stress concentration at the periphery of the through hole 23 in the resin 10 can be avoided, and cracks and the like can be reduced. Note that the diameter and shape of the stress relaxation portion 25 can be arbitrarily determined as long as this function can be achieved.
- the fifth embodiment is characterized in that the resonator is provided with a resonance projection whose bottom surface force also projects toward the object to be heated, and the resonance projection is formed in a substantially hemispherical or substantially conical shape. And Furthermore, the fifth embodiment is characterized in that the inclined surface is formed on the resonator from the bottom surface to the base of the resonance projection. Structures and methods that are not particularly described are the same as those in the above-described fourth embodiment, and the same configurations are denoted by the same reference numerals.
- FIG. 12 is a longitudinal sectional view of the resonance protrusion of the horn 3 according to the fifth embodiment
- FIG. 13 is a longitudinal sectional view before welding of the ultrasonic welding structure according to the fifth embodiment
- FIG. FIG. 14 is a longitudinal sectional view of the ultrasonic welding structure according to Example 5 after welding.
- the horn 3 is formed with a concave portion 3a, and the concave portion 3a is provided with a resonance protrusion 3d having a substantially hemispherical vertical cross-sectional shape.
- the resonance projection 3d is formed such that its bottom surface projects below the bottom surface of the recess 3a.
- the horn 3 has an inclined surface 3e.
- the inclined surface 3e is formed integrally with the horn 3 and the resonance protrusion 3d, and is a gentle continuous surface extending from the bottom surface of the concave portion of the horn 3 to the base of the resonance protrusion 3d.
- a specific example of the dimensions of the resonance projection 3d is that the spherical radius R4 is 0.3 mm, and the heights HI and H2 are 0.7 mm and 0.5 mm, respectively.
- the functions of the resonance projection 3d and the inclined surface 3e are as follows. That is, by pressing the resonance projection 3d against the resin 10 first, only a part of the resin 10 is softened and the welding can be gradually advanced. In particular, when the inclined surface 3e presses the resonator receiving portion 18, This pressing force generates an outward component force corresponding to the inclination of the inclined surface 3e, and causes the softened resin 10 to fall outward. Then, the fallen resin 10 is fixed to the upper surface of the fixing resin 21 to fix the resin. By using the component force derived from the pressing force in this way, the pressing force of the horn 3 can be weakened compared to the conventional method, and welding can be performed with a weak force. The problem can be solved.
- the resonator has a resonance protrusion that also has a bottom surface force protruding toward the object to be heated, and the object to be heated has a resonator receiving portion formed at least concavely with respect to the resonator. It is characterized by having. In particular, the resonator receiving portion is formed in a long hole shape along the pressing direction of the resonator. Further, the sixth embodiment is characterized in that an inclined surface reaching the base of the bottom surface force resonance projection is formed on the resonator.
- the through hole of the joined body is provided with a notch at the inner edge on the side facing the resonator, and the notch is formed with the inner edge of the through hole. It is characterized in that it is a stress relieving part for relieving the stress generated inside the object to be joined by the contact. Structures and methods that are not particularly described are the same as those of the above-described fifth embodiment, and the same components are denoted by the same reference numerals.
- FIG. 15 is a longitudinal sectional view of the ultrasonic welding structure according to the sixth embodiment before welding
- FIG. 16 is a longitudinal sectional view of the ultrasonic welding structure according to the sixth embodiment after welding.
- a resonator receiving portion 18 formed at least in a concave shape with respect to the horn 3 is formed.
- the resonator receiving portion 18 has a long hole shape (cylindrical space shape) substantially along the pressing direction of the horn 3 (vertical direction in the drawing) as shown in FIG. Is formed. Note that the bottom of the resonator receiving portion 18 is located slightly above the upper surface of the fixing resin 21.
- the functions of the resonance projection 3d, the resonator receiving portion 18, and the inclined surface 3e are as follows. That is, by first pressing the resonance projection 3d against the resin 10, only a part of the resin 10 is softened, and the welding can be gradually advanced. In particular, when the inclined surface 3e presses the resonator receiving portion 18, the pressing force is directed outward in accordance with the inclination of the inclined surface 3e. Apply force and push softened resin 10 outward. Further, since the resonator receiving portion 18 is in the shape of a long hole, the softened resin 10 can be more easily knocked down. Then, the fallen resin 10 is fixed to the upper surface of the fixing resin 21 so that the fixing can be performed.
- the pressing force of the horn 3 can be weakened compared to the conventional method, and welding can be performed with a weak force, so that the problem caused by excessive pressing force can be solved. obtain.
- the total amount of the resin 10 is reduced by the formation of the resonator receiving portion 18, most of the resin 10 falls on the upper surface of the fixing resin 21 when the resin 10 falls down. And the required fixing force can be obtained.
- the shapes of the resonance projection 3d, the resonator receiving portion 18, and the inclined surface 3e can be arbitrarily determined.
- the resonator receiving portion 18 may be formed as a prismatic space.
- the bottom of the resonator receiving portion 18 may be arranged below the upper surface of the fixing resin 21.
- a counterbore 16b is further provided below the fixing resin 21, thereby increasing the curvature of the base of the resin 10 to avoid excessive stress concentration and the like. can do.
- Example 7 is substantially the same as Example 6, except that the resonator receiving portion is formed as a through hole extending along the pressing direction of the resonator and reaching the bottom surface of the heated object.
- the resonator receiving portion is formed as a through hole extending along the pressing direction of the resonator and reaching the bottom surface of the heated object.
- FIG. 17 is a longitudinal sectional view of the ultrasonic welding structure according to the seventh embodiment before welding
- FIG. 18 is a longitudinal sectional view of the ultrasonic welding structure according to the seventh embodiment after welding.
- a resonator receiving portion 19 formed at least in a concave shape with respect to the horn 3 is formed.
- the resonator receiving portion 19 is formed as a through hole extending along the pressing direction of the horn 3 and reaching the bottom surface of the resin 10.
- the functions of the resonance projection 3d, the resonator receiving portion 19, and the inclined surface 3e are as follows. That is, as in the case of the sixth embodiment, the resin 3 is applied by the component force derived from the pressing force. Can be fixed by inverting it toward the fixing resin 21.
- the resonator receiving portion 19 is formed in a long hole shape as in the sixth embodiment as in the sixth embodiment, it is necessary to provide a rod-shaped portion corresponding to the resonator receiving portion 19 in the resin mold. In particular, it is necessary to fix the rod portion by supporting it at one end. However, it is difficult to form the resonator receiving portion 19 because such a one-end supporting structure is weak to an external force and the rod-shaped portion is easily bent.
- the rod-shaped portion for the resin mold can be fixed by supporting both ends. Is easy.
- Example 8 is substantially the same as Example 7, except that a preheating step of heating the joint portion of the resonator with the object to be heated and a joint portion heated in the heating step are heated. A heating step of applying high-frequency vibration by pressing against a body. Structures and methods that are not particularly described are the same as those of the above-described seventh embodiment, and the same components are denoted by the same reference numerals.
- FIG. 19 is a perspective view schematically showing an ultrasonic welding apparatus according to the eighth embodiment
- FIG. 20 is a longitudinal sectional view of the ultrasonic welding structure according to the eighth embodiment before welding
- FIG. FIG. 15 is a longitudinal sectional view of the ultrasonic welding structure according to Example 8 after welding.
- the ultrasonic welding machine 1 is provided with a heater 5.
- the heater 5 is a heating unit for heating the horn 3.
- the heater 5 is preferably heating means for performing indirect heating by far-infrared heating, for example, a ceramic heater can be used. This is because far-infrared heating makes it easy to control the heating portion, and indirect heating does not inadvertently hinder the vibration of the horn 3.
- the horn 3 is heated by the heater 5 (preliminary heating step).
- the upper limit of the heating temperature is set below the glass transition temperature (transition point) of the resin 10. This is because when heated to a temperature higher than the glass transition temperature, the resin 10 melts, and the vibration energy is no longer conducted. It is a force that can be hindered.
- the lower limit of the heating temperature is 10% This is the minimum temperature required to reduce the Young's modulus of the steel by about 20%. This is a force that, when the Young's modulus is reduced by 20% or more, softening of the resin 10 starts, and the effect of Example 8 described later can be exerted empirically.
- the melting point of resin 10 is 140 degrees
- horn 3 is heated to 100-110 degrees. Note that it is not always necessary to heat the entire horn 3, but at least the joint with the resin 10 may be heated.
- the heated horn 3 is pressed against the resin 10 and subjected to high-frequency vibration to perform heat welding (heating step). From this, while the resin 10 is softened by the heat of the horn 3, heating by high frequency vibration is performed, and welding as shown in FIG. 21 can be performed.
- the effect of performing welding by the heat of the horn 3 in addition to the high-frequency vibration is as follows. That is, conventionally, before and after heating, the vibration stroke of the horn 3 was simply kept constant, and the vibration stroke was relatively large. In this case, there is no problem in the initial stage because the Young's modulus of the resin 10 is high. However, even after the Young's modulus has decreased, the heating of the resin 10 is excessive because the vibration stroke does not fall with a relatively large stroke. This caused the resin 10 to dissolve too much and deteriorated. On the other hand, in the eighth embodiment, the vibration stroke of the horn 3 is also kept constant.
- the oscillation frequency is increased, and only the upper part of the resin is limited to the object to be heated. This is because it is sufficient that only the upper small diameter portion of the resin 10 can be softened.
- the oscillation frequency is generally about 28-40 kHz, but in the eighth embodiment, the oscillation frequency of the horn 3 is set to around 40 kHz!
- control of the horn 3 is generally performed under two control conditions of the pressing force and the vibration time management or the vibration stroke management. Strike Rook management and management. This is because the stroke control for preventing the vibration from being applied to the resin 10 can be directly performed by performing the vibration stroke management rather than the vibration time management.
- the oscillation timing of the horn 3 is as follows: oscillation before starting the oscillation before the horn 3 is brought into contact with the resin 10, and oscillation after starting the oscillation after the horn 3 is brought into contact with the resin 10.
- Embodiment 8 employs post-oscillation. This is because, when the horn 3 comes into contact with the resin 10, a rebound (rebound) may occur in the horn 3, so that the force starts to vibrate after waiting for the reaction to disappear, so that stable vibration energy can be obtained. This is for transmitting to the fat 10.
- the ninth embodiment is substantially the same as the eighth embodiment, but is characterized in that a notch is provided at the upper edge of the resonator receiving portion. Structures and methods that are not particularly described are the same as those in the eighth embodiment described above, and the same configurations are denoted by the same reference numerals.
- FIG. 22 is a longitudinal sectional view of the ultrasonic welding structure according to the ninth embodiment before welding
- FIG. 23 is a longitudinal sectional view of the ultrasonic welding structure according to the ninth embodiment after welding.
- a notch 19a is formed over the entire periphery of the upper edge of the resonator receiving portion 19 formed in the resin 10 so as to penetrate therethrough. Therefore, even when the position of the horn 3 with respect to the resin 10 is displaced in the horizontal direction, the resonance projection 3d of the horn 3 is guided to the inside of the resonator receiving portion 19 by the notch portion 19a, and the displacement is reduced. can do.
- the shape of the notch 19a is arbitrary as long as this function can be achieved.
- the tenth embodiment is substantially the same as the ninth embodiment, but is characterized in that the resonance projection of the horn 3 is formed in a substantially hemispherical shape. Structures and methods that are not particularly described are the same as those in the ninth embodiment described above, and the same configurations are denoted by the same reference numerals.
- FIG. 24 is a longitudinal sectional view of an ultrasonic welding structure according to Example 10 before welding
- FIG. FIG. 11 is a longitudinal sectional view after welding of the ultrasonic welding structure according to FIG.
- a resonance projection 3f is formed in the recess 3a of the horn 3.
- the resonance projection 3f has a moderately conical top that is continuous with the inclined surface extending downward from the base. Therefore, even when the position of the horn 3 with respect to the resin 10 is displaced in the horizontal direction, any one of the wide tops of the resonance projections 3f of the horn 3 contacts the resonator receiving portion 19, and The top portion is guided to the inside of the resonator receiving portion 19 by the notch portion 19a, and the displacement can be reduced.
- the detailed shape of the resonance projection 3f is arbitrary as long as this function can be achieved.
- the ultrasonic welding structure and the ultrasonic welding method according to the present invention are useful for heat-welding a columnar object to be welded to an object to be welded. It is suitable for an ultrasonic welding structure and an ultrasonic welding method for improving the durability by reducing the occurrence of ridges or cracks.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05709701A EP1712342A4 (en) | 2004-02-03 | 2005-02-03 | ULTRASONIC WELDING STRUCTURE AND ULTRASONIC WELDING METHOD |
US10/587,746 US20070158011A1 (en) | 2004-02-03 | 2005-02-03 | Ultrasonic welding structure and ultrasonic welding method |
CN2005800040262A CN1914026B (zh) | 2004-02-03 | 2005-02-03 | 超声波焊接构造及超声波焊接方法 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-027410 | 2004-02-03 | ||
JP2004027410 | 2004-02-03 | ||
JP2004-084532 | 2004-03-23 | ||
JP2004084532A JP4265987B2 (ja) | 2004-02-03 | 2004-03-23 | 超音波溶着構造及び超音波溶着方法 |
Publications (1)
Publication Number | Publication Date |
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WO2005075178A1 true WO2005075178A1 (ja) | 2005-08-18 |
Family
ID=34840132
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2005/001608 WO2005075178A1 (ja) | 2004-02-03 | 2005-02-03 | 超音波溶着構造及び超音波溶着方法 |
Country Status (4)
Country | Link |
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EP (1) | EP1712342A4 (ja) |
JP (1) | JP4265987B2 (ja) |
KR (1) | KR100803263B1 (ja) |
WO (1) | WO2005075178A1 (ja) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
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JP4577115B2 (ja) * | 2005-06-23 | 2010-11-10 | トヨタ自動車株式会社 | 樹脂部品および樹脂部品の接合方法 |
DE102007013518A1 (de) * | 2007-03-21 | 2008-09-25 | Wilhelm Karmann Gmbh | Verbindung zweier Funktionselemente, insbesondere einer Scheibe mit einem Verdeckelement, und Verfahren zur Festlegung einer Scheibe an einem Verdeckelement |
CN201363474Y (zh) * | 2009-02-20 | 2009-12-16 | 厦门科际精密器材有限公司 | 一种结构改进的电磁线性阀 |
JP5284835B2 (ja) | 2009-03-17 | 2013-09-11 | オリンパス株式会社 | 部材同士の固定方法 |
DE102009020180A1 (de) | 2009-05-06 | 2010-11-11 | Maschinenfabrik Spaichingen Gmbh | Vorrichtung zum Verbinden von Gegenständen über wenigstens ein durch Wärme plastifizierbares Verbindungselement |
EP2485841A1 (de) * | 2009-10-05 | 2012-08-15 | Boehringer Ingelheim Microparts GmbH | Fügeverfahren und fügeverbindung für mikrofluidische bauteile |
JP2015193080A (ja) * | 2012-08-24 | 2015-11-05 | ソニー株式会社 | 構造体 |
TWI483839B (zh) * | 2013-06-26 | 2015-05-11 | Inventec Corp | 熱熔組裝結構及其組裝方法 |
EP3124210B1 (en) | 2014-03-25 | 2020-07-22 | Teijin Limited | Fiber-reinforced resin assembly having crimping part, and method for manufacturing same |
JP5883545B1 (ja) | 2014-04-24 | 2016-03-15 | 帝人株式会社 | 繊維強化樹脂接合体、中間体及び締結棒 |
JP6861924B2 (ja) * | 2016-07-06 | 2021-04-21 | 智將 今井 | 加工機の制御装置及び方法 |
JP7005342B2 (ja) * | 2017-12-27 | 2022-01-21 | キヤノン株式会社 | カートリッジの生産方法およびカートリッジ |
JP7179476B2 (ja) | 2018-04-05 | 2022-11-29 | キヤノン株式会社 | 支持ユニットの製造方法、現像剤容器の製造方法、感光体ユニットの製造方法及びプロセスカートリッジの製造方法 |
KR102499029B1 (ko) * | 2021-07-29 | 2023-02-16 | 카이스 주식회사 | 석션컵이 형성된 융착 장치 및 이를 이용한 융착 방법 |
FR3126061A1 (fr) * | 2021-08-04 | 2023-02-10 | Silmach | Procédé d’assemblage d’une pièce en silicium sur un support |
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JPH02130130A (ja) * | 1988-10-28 | 1990-05-18 | Emerson Electric Co | 超音波を利用した加工片の組立方法 |
JPH07117134A (ja) * | 1993-10-21 | 1995-05-09 | Takayoshi Iwao | プラスチック部材のかしめ方法及びその装置 |
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JP2528671Y2 (ja) * | 1991-11-05 | 1997-03-12 | 河西工業株式会社 | 樹脂部品のカシメ構造 |
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JP2001171008A (ja) * | 1999-12-21 | 2001-06-26 | Kasai Kogyo Co Ltd | 超音波溶着方法並びに超音波溶着装置 |
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- 2004-03-23 JP JP2004084532A patent/JP4265987B2/ja not_active Expired - Fee Related
-
2005
- 2005-02-03 EP EP05709701A patent/EP1712342A4/en not_active Withdrawn
- 2005-02-03 WO PCT/JP2005/001608 patent/WO2005075178A1/ja not_active Application Discontinuation
- 2005-02-03 KR KR1020067015225A patent/KR100803263B1/ko active IP Right Grant
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JPH02130130A (ja) * | 1988-10-28 | 1990-05-18 | Emerson Electric Co | 超音波を利用した加工片の組立方法 |
JP2528671Y2 (ja) * | 1991-11-05 | 1997-03-12 | 河西工業株式会社 | 樹脂部品のカシメ構造 |
US5435863A (en) * | 1992-04-21 | 1995-07-25 | Branson Ultrasonics Corporation | Method for processing workpieces by ultrasonic energy |
JPH07117134A (ja) * | 1993-10-21 | 1995-05-09 | Takayoshi Iwao | プラスチック部材のかしめ方法及びその装置 |
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Also Published As
Publication number | Publication date |
---|---|
KR100803263B1 (ko) | 2008-02-13 |
JP4265987B2 (ja) | 2009-05-20 |
KR20060127930A (ko) | 2006-12-13 |
EP1712342A4 (en) | 2008-12-24 |
EP1712342A1 (en) | 2006-10-18 |
JP2005246941A (ja) | 2005-09-15 |
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