JP3789178B2 - 熱かしめ装置 - Google Patents

熱かしめ装置 Download PDF

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Publication number
JP3789178B2
JP3789178B2 JP30777196A JP30777196A JP3789178B2 JP 3789178 B2 JP3789178 B2 JP 3789178B2 JP 30777196 A JP30777196 A JP 30777196A JP 30777196 A JP30777196 A JP 30777196A JP 3789178 B2 JP3789178 B2 JP 3789178B2
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Japan
Prior art keywords
jig
workpiece
heat
movable
caulking
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JP30777196A
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JPH10146897A (ja
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東 遠藤
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株式会社アズマ工機
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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/56—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
    • B29C65/567—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits using a tamping or a swaging operation, i.e. at least partially deforming the edge or the rim of a first part to be joined to clamp a second part to be joined
    • B29C65/568—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits using a tamping or a swaging operation, i.e. at least partially deforming the edge or the rim of a first part to be joined to clamp a second part to be joined using a swaging operation, i.e. totally deforming the edge or the rim of a first part to be joined to clamp a second part to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/56—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
    • B29C65/60—Riveting or staking
    • B29C65/601—Riveting or staking using extra riveting elements, i.e. the rivets being non-integral with the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—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
    • B29C66/47—Joining single elements to sheets, plates or other substantially flat surfaces
    • B29C66/474—Joining single elements to sheets, plates or other substantially flat surfaces said single elements being substantially non-flat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/53—Joining single elements to tubular articles, hollow articles or bars
    • B29C66/534—Joining single elements to open ends of tubular or hollow articles or to the ends of bars
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
    • 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
    • B29C66/7394—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 thermoset
    • 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
    • B29C66/7394—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 thermoset
    • B29C66/73941—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 thermoset characterised by the materials of both parts being thermosets
    • 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
    • B29C66/81425—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 stepped, e.g. comprising a shoulder
    • 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
    • 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
    • B29C66/816—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 mounting of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8161—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 mounting of the pressing elements, e.g. of the welding jaws or clamps said pressing elements being supported or backed-up by springs or by resilient material
    • 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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    • 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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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C66/90—Measuring or controlling the joining process
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/13—Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
    • B29C66/135—Single hemmed joints, i.e. one of the parts to be joined being hemmed in the joint area
    • 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
    • B29C66/96—Measuring or controlling the joining process characterised by the method for implementing the controlling of the joining process
    • B29C66/967—Measuring or controlling the joining process characterised by the method for implementing the controlling of the joining process involving special data inputs or special data outputs, e.g. for monitoring purposes
    • B29C66/9672—Measuring or controlling the joining process characterised by the method for implementing the controlling of the joining process involving special data inputs or special data outputs, e.g. for monitoring purposes involving special data inputs, e.g. involving barcodes, RFID tags
    • 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
    • B29C66/96—Measuring or controlling the joining process characterised by the method for implementing the controlling of the joining process
    • B29C66/967—Measuring or controlling the joining process characterised by the method for implementing the controlling of the joining process involving special data inputs or special data outputs, e.g. for monitoring purposes
    • B29C66/9674—Measuring or controlling the joining process characterised by the method for implementing the controlling of the joining process involving special data inputs or special data outputs, e.g. for monitoring purposes involving special data outputs, e.g. special data display means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2011/00—Optical elements, e.g. lenses, prisms
    • B29L2011/0016—Lenses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/727—Fastening elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/727—Fastening elements
    • B29L2031/7288—Rivets

Description

【０００１】
【発明の属する技術分野】
本発明は、小型プラスチック成形品等を熱かしめするための装置である。
【０００２】
【従来の技術】
一般にこの種の熱かしめ装置は、固定治具の上に載置したプラスチック成形品の上に可動治具を下降させ、成形品の一部を可動治具のヒータ部で熱しながら加圧してかしめるものである。
【０００３】
【発明が解決しようとする課題】
しかしながら、上記従来の熱かしめ装置にあっては、可動治具をエアー圧によって駆動しているために、微小のエアー圧でワークを加圧するのが難しく、加圧によってワークに歪みが発生してしまうような成形品のかしめには利用することができなかった。
【０００４】
また、上述のようにエアー圧によって可動治具を駆動させる場合、予め設定した可動治具の最下降位置でワークに所定圧が加わるようにしてあるために、ワークの成形誤差などによって加圧力にばらつきを生じ、ワークをかしめ過ぎたり、また逆にかしめ力が不足するなどの問題があった。
【０００５】
更に、エアー圧の場合には、可動治具の下降スピードを途中で切り換えることができないので可動治具を常に一定速で下降させなければならず、小形の成形品をかしめる時などには加圧力が小さいことから可動治具の下降スピードも制約を受け、かしめ作業に時間が掛かってしまうといった問題があった。
【０００６】
そこで、本発明は微小の加圧力によってワークをかしめることができる熱かしめ装置の提供を目的とする。
【０００７】
また、本発明はワークに成形誤差などがあってもワークを常に一定の加圧力でかしめられるようにして品質の均一化を図ることができる熱かしめ装置の提供を目的とする。
【０００８】
更に、本発明は可動治具の下降スピードを途中で切り換えられるようにして、かしめ作業に要する時間の短縮を図ることのできる熱かしめ装置の提供を目的とする。
【０００９】
【課題を解決するための手段】
本発明の請求項１に係る熱かしめ装置は、本体部と、この本体部に上下動可能に取り付けられたヒータ付きの可動治具と、前記本体部側に設けられた固定治具とを備え、固定治具に載置したワーク上に可動治具を下降させて加圧する熱かしめ装置において、前記可動治具の下降スピードをサーボモータによって制御すると共に、予め設定した所定の加圧力がワークに加わったことをサーボモータのトルクによって検出し、その検出信号に基づいて可動治具の加圧を制限することを特徴とする。
【００１０】
また、本発明の請求項２に係る熱かしめ装置は、前記可動治具の下端部にワーク押えを配置し、前記可動治具を下降させてワークを加圧する際、固定治具に載置されたワークを前記ワーク押えによって固定することを特徴とする。
【００１１】
更に、本発明の請求項３に係る熱かしめ装置は、前記可動治具の下降スピードは、固定治具に載置されるワークの上方近傍位置まで下降する際の移動スピードと、ワークに所定の加圧力を加える時の移動スピードとが異なり、前者の移動スピードの方が後者より速くなるようにサーボモータによって駆動制御されることを特徴とする。
【００１２】
【発明の実施の形態】
以下添付図面に基づいて本発明に係る熱かしめ装置の一形態を詳細に説明する。図１及び図２において、卓上型の熱かしめ装置１は、コントロールユニット３およびタワーユニット４で構成される本体部２と、タワーユニット４に上下動可能に取り付けられたホーンユニット５とで構成される。前記コントロールユニット３内には、サーボモータ６及びこれを制御するコンピュータ７等の電装部品が内蔵されている。また、コントロールユニット３の上面には固定治具８が取り付けられ、更に前面には表示部９が設けられている。タワーユニット４内には前記サーボモータ６の駆動によって回転するボールネジ１０が上下方向に長く配置されると共に、このボールネジ１０にホーンユニット５のナット部１１がボールベアリング（図示せず）を介して取り付けられている。また、タワーユニット４の前面にはテンキーによってかしめ条件の数値などを設定する操作パネル１９が設けられている。
【００１３】
上記ホーンユニット５には、図２に示したように、ホーン取付ベース５ａに可動治具１２が着脱可能に設けられている他、可動治具１２の上部にはヒータ１３及び断熱材１４が内蔵されており、かしめ時にはヒータ１３によって可動治具１２を加熱している。また、ホーンユニット５の中心部には加圧時にワークを動かないように固定するためのワーク押え１５が配置されている。このワーク押え１５には下方向に付勢するスプリング１６が巻装され、その先端には各ワークに対応した押え部材１７が着脱可能に取り付けられている。
【００１４】
次に上記コントロールユニット３による制御方法を説明する。ホーンユニット５は、コンピュータ７からの指令信号に基づいて駆動するサーボモータ６によって制御されているが、この実施例では図３に示したように、可動治具１２の移動制限位置として、固定治具８に載置したワーク１８の上方近傍に設定された切替位置と、それより下方に設定された可動治具１２の最大下降制限位置と、この最大下降制限位置と前記切替位置との間に設定された加圧制限位置とが設けられている。
【００１５】
上記切替位置は、ホーンユニット５の下降スピードを切り替えるための位置であり、ホームポジションから切替位置までの間はサーボモータ６の回転を速くしてホーンユニット５を素早く移動させ作業時間の短縮を図る一方、切替位置から最大下降制限位置まではホーンユニット５の下降スピードを低速に抑えて微小圧のかしめにも対応できるようにしてある。
【００１６】
また、加圧制限位置は、ワーク１８に適正なかしめ力が得られるように設けたものであり、可動治具１２がかしめ代１８ａまで達して所定の加圧力が得られた時の位置である。ホーンユニット５の下降は、この加圧制限位置の検出によって停止される。従って、各ワーク１８毎に予め設定した所定の加圧力に応じて加圧制限位置の高さは異なってくる。また、ワーク１８の成形誤差などによって固定治具８の上に載置した各ワーク１８の高さにばらつきがあったとしても、可動治具１２がかしめ代１８ａまで加圧して所定の加圧力に達したときには検出信号が出力されてかしめが解除されるので、かしめ過ぎたりかしめ力が足りなかったりといったことがない。なお、上記加圧制限位置は、可動治具１２の加圧力をサーボモータ６が直接に感知することで検出されるが、このように可動治具１２の加圧力をサーボモータ６でトクル制御することにより、最小５００ｇ／ｃｍ2 、分解能１００ｇ／ｃｍ2 程度までの微小加圧力でワーク１８をかしめることが可能となった。
【００１７】
一方、最大下降制限位置は、ホーンユニット５が下降する際の最大ストロークを定めたものである。この最大下降制限位置を定めたことによって、例えば固定治具８の上にワーク１８を載置し忘れた場合や、ワーク１８に異常が発生して所定の加圧力が得られない場合に、ホーンユニット５の下降位置を制限することで、装置の安全性を図ることができると共に異常を知らせることができる。なお、この最大下降制限位置は、上記加圧制限位置と同一位置となる場合もある。
【００１８】
図４は、上記コントロールユニット３における制御のフローチャートを示したものである。この制御では先ず熱かしめ装置１の電源スイッチを入れて数値設定画面を表示する（Ｓ１）。この数値設定画面には切替位置、最大下降制限位置、ワーク個数、加圧制限値、加圧回数のモードが表示されるから、各モードを順番に選択してテンキーから必要な数値を入力していく。先ず切替位置を選択し、ホームポジションから切替位置までの移動距離Ｋ１と、停止時間を設定する（Ｓ２）。切替位置はワーク１８の種類によって異なるが、一般には固定治具８にワーク１８を載置した時のワーク１８の上方近傍である。停止時間は切替位置から最大下降制限位置に移る際の待ち時間であり、切替位置までの移動とそれ以降では制御方法が異なるので、その切り替えに必要な時間を考慮して入力する。次いで最大下降制限位置モードを選択し、切替位置から最大下降制限位置までの移動距離Ｋ２と停止時間とを設定する（Ｓ３）。停止時間は、後述する所定の加圧力が得られた時にその位置で加圧力を保持したまま停止するもので、ワーク１８が適性なかしめ力を得るのに必要かつ十分な時間を設定する。
【００１９】
上記切替位置および最大下降制限位置を設定したのち、ワーク個数モードを選択し、ワーク１８の作業個数を設定する（Ｓ４）。次いで、加圧制限位置を決定するための加圧制限値をモード選択して所定の加圧力を設定する（Ｓ５）。最後にワーク１８をかしめる際の加圧回数を設定する（Ｓ６）。これら任意に打ち込んだ数値はコントロールユニット３前面の表示部９に表示されると共にコンピュータ７に入力される。各モードの入力を完了した後、スタートボタンを押すと、上記入力条件に基づいてサーボモータ６によるホーンユニット５の駆動制御が開始される（Ｓ７）。ホーンユニット５は切替位置までハイスピードで下降し、その位置で一旦停止した後徐々に下降し始める。可動治具１２がワーク１８に当接した後更に下降することで次第に加圧力を高めていき、所定の加圧力に達した時に検出信号が出力されてホーンユニット５の下降が止まり、そこで所定時間停止したのち切替位置もしくはホームポジションまで戻る（Ｓ８）。なお、ワーク１８を加圧する際、上記加圧回数に基づいて可動治具１２でワーク１８の頭を打つ。
【００２０】
図５は、上記熱かしめ装置１を用いてエポキシ基板２０に端子ピン２１を取り付ける場合の実施例を示したものである。かしめ前の端子ピン２１は頭部２１ａが長く伸びており、脚部２１ｂを固定治具８に差し込んで固定する。その上から端子ピン２１の頭部２１ａにエポキシ基板２０のピン開孔を嵌め入れる。このようにして、熱かしめ装置１のスタートボタンを押すと、予め設定された数値に基づいてサーボモータ６が駆動し、ホーンユニット５が切替位置まで素早く下降する。この切替位置は、例えば図５に示したように、可動治具１２の先端が端子ピン２１の長く伸びた頭部２１ａの上面すれすれの位置である。待ち時間を経た後、加圧力制御に切り換わり、可動治具１２で端子ピン２１の頭部２１ａを加熱しながら徐々に押圧していく。頭部２１ａを何回か打つことで次第に潰れて所定の加圧力を検出し、その加圧制限位置において所定の停止時間だけ加圧力を保持することで図５に示したような形状に頭部２１ａが潰れ、適正なかしめ力が得られる。かしめが終了するとホーンユニット５は切替位置に戻るので、次のワークを固定治具８にセットする。
【００２１】
図６はプラスチックレンズを複数枚重ねて構成したレンズ群３０をケーシング３１に組み込んでかしめる場合の例を示したものである。この場合にはケーシング３１にレンズ群３０を組み込み、ケーシング３１の下部側を固定治具８の上に載置する。この状態でスタートボタンを押すと、ホーンユニット５はケーシング３１の上部近傍位置まで素早く移動する。加圧力制御に切り替わった後、押え部材１７でレンズ群３０を押さえて固定すると共に、可動治具１２がケーシング３１の上端部を加熱しながら徐々に押圧し、加圧制限位置において図６に示したようにケーシング３１の上縁部３１ａをレンズ群３０の周囲にかしめる。ケーシング３１の上部側のかしめが終了したらケーシング３１を上下逆にし、かしめが終了したケーシング３１の上部側を固定治具８の上に載置し、再び上述の同様の制御によってケーシング３１の下縁部をレンズ群３０の周囲にかしめ、レンズ群３０とケーシング３１とを一体に固定する。
【００２２】
【発明の効果】
以上説明したように、本発明の請求項１に係る熱かしめ装置によれば、可動治具の駆動をサーボモータによって制御し、予め設定した所定の加圧力がワークに加わったことを検出して可動治具の下降を停止する加圧制限位置を設けたから、微小の加圧力による制御が可能となり、小型プラスチック成形品等の熱かしめの適用範囲が広くなる他、ワークに成形誤差などがあってもワークを常に一定の加圧力でかしめられるから、かしめ過ぎたりかしめ不足になるといったことがなく品質の均一化を図ることができる。
【００２３】
また、本発明の請求項２に係る熱かしめ装置によれば、加圧制限位置とは別に可動治具の最大下降制限位置を設けたので、ワークのトラブル等で所定の加圧力を得られなくても装置の安全性が確保されることになる。
【００２４】
更に、本発明の請求項３に係る熱かしめ装置によれば、固定治具に載置したワークの上方近傍位置までと、それより下方の加圧制限位置までとで可動治具が下降する際の移動スピードを異ならせ、前者での移動スピードを速く、後者での移動スピードを遅く設定したので、かしめ作業に要する時間の短縮を図ることのできる。
【図面の簡単な説明】
【図１】本発明に係る熱かしめ装置の側面図である。
【図２】上記熱かしめ装置のホーンユニットの構造を示す断面図である。
【図３】ホーンユニットが下降する際の制限位置を示す説明図である。
【図４】上記熱かしめ装置を作動させる際のフローチャート図である。
【図５】上記熱かしめ装置を用いて基板に端子ピンをかしめる際の説明図である。
【図６】上記熱かしめ装置を用いてケーシングにレンズ群を取り付ける場合の説明図である。
【符号の説明】
１ 熱かしめ装置
２ 本体部
５ ホーンユニット
６ サーボモータ
８ 固定治具
１２ 可動治具
１３ ヒータ
１８ ワーク

Claims (3)

  1. 本体部と、この本体部に上下動可能に取り付けられたヒータ付きの可動治具と、前記本体部側に設けられた固定治具とを備え、固定治具に載置したワーク上に可動治具を下降させて加圧する熱かしめ装置において、
    前記可動治具の下降スピードをサーボモータによって制御すると共に、予め設定した所定の加圧力がワークに加わったことをサーボモータのトルクによって検出し、その検出信号に基づいて可動治具の加圧を制限することを特徴とする熱かしめ装置。
  2. 前記可動治具の下端部にワーク押えを配置し、前記可動治具を下降させてワークを加圧する際、固定治具に載置されたワークを前記ワーク押えによって固定する請求項１記載の熱かしめ装置。
  3. 前記可動治具の下降スピードは、固定治具に載置されるワークの上方近傍位置まで下降する際の移動スピードと、ワークに所定の加圧力を加える時の移動スピードとが異なり、前者の移動スピードの方が後者より速くなるようにサーボモータによって駆動制御される請求項１記載の熱かしめ装置。
JP30777196A 1996-11-19 1996-11-19 熱かしめ装置 Expired - Lifetime JP3789178B2 (ja)

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JP2001252729A (ja) * 2000-03-10 2001-09-18 Aida Eng Ltd プレス加工装置
US6329629B1 (en) * 2000-04-28 2001-12-11 Branson Ultrasonics Corporation Distance mode control for laser welding
JP4827306B2 (ja) * 2001-03-19 2011-11-30 株式会社リコー 複合部品の製造方法
JPWO2003021755A1 (ja) * 2001-08-31 2004-12-24 三菱電機株式会社 電磁式バルブ駆動装置
JP4203446B2 (ja) * 2004-05-25 2009-01-07 富士フイルム株式会社 テープリール用金属プレートのかしめ方法
JP4815328B2 (ja) * 2006-11-07 2011-11-16 オリンパス株式会社 熱かしめ方法、レンズ鏡枠の製造方法、及び、熱かしめ装置
JP5000286B2 (ja) * 2006-12-25 2012-08-15 日本アビオニクス株式会社 熱かしめ方法および熱かしめ装置
EP2285520B1 (en) * 2008-05-02 2019-01-02 Sonics & Materials Inc. System to prevent overloads for ultrasonic staking applications
JP5013616B2 (ja) * 2008-06-26 2012-08-29 日本アビオニクス株式会社 熱かしめ装置および熱かしめ方法
JP5634205B2 (ja) * 2009-11-12 2014-12-03 川澄化学工業株式会社 医療用チューブシール装置
JP6137543B2 (ja) * 2013-09-09 2017-05-31 日本アビオニクス株式会社 熱加工方法および装置
JP6971563B2 (ja) * 2016-11-24 2021-11-24 キヤノン株式会社 液体供給ユニットの製造方法および液体吐出ヘッドの製造方法

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