JP3745586B2 - Automotive storage member having a drain and its manufacturing method - Google Patents

Automotive storage member having a drain and its manufacturing method Download PDF

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Publication number
JP3745586B2
JP3745586B2 JP2000156839A JP2000156839A JP3745586B2 JP 3745586 B2 JP3745586 B2 JP 3745586B2 JP 2000156839 A JP2000156839 A JP 2000156839A JP 2000156839 A JP2000156839 A JP 2000156839A JP 3745586 B2 JP3745586 B2 JP 3745586B2
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Japan
Prior art keywords
storage member
drain
main body
flange
thermoplastic resin
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Expired - Fee Related
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JP2000156839A
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JP2001334880A (en
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敏逸 岩井
秀一 近藤
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Toyota Boshoku Corp
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Toyota Boshoku Corp
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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
    • B29C66/50—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
    • B29C66/61—Joining from or joining on the inside
    • 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
    • B29C65/04—Dielectric heating, e.g. high-frequency welding, i.e. radio frequency welding of plastic materials having dielectric properties, e.g. PVC
    • 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
    • B29C65/78—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
    • B29C65/7841—Holding or clamping means for handling purposes
    • 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
    • B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/122—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section
    • B29C66/1222—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section comprising at least a lapped joint-segment
    • 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
    • B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/122—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section
    • B29C66/1224—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section comprising at least a butt joint-segment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/13—Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
    • B29C66/131—Single flanged joints, i.e. one of the parts to be joined being rigid and flanged in the joint area
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/302—Particular design of joint configurations the area to be joined comprising melt initiators
    • B29C66/3022—Particular design of joint configurations the area to be joined comprising melt initiators said melt initiators being integral with at least one of the parts to be joined
    • B29C66/30223—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 rib-like
    • 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
    • B29C66/326—Shaping the burr, e.g. by the joining tool
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—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
    • B29C66/532—Joining single elements to the wall of tubular articles, hollow articles or bars
    • B29C66/5324—Joining single elements to the wall of tubular articles, hollow articles or bars said single elements being substantially annular, i.e. of finite length
    • B29C66/53245—Joining single elements to the wall of tubular articles, hollow articles or bars said single elements being substantially annular, i.e. of finite length said articles being hollow
    • B29C66/53246—Joining single elements to the wall of tubular articles, hollow articles or bars said single elements being substantially annular, i.e. of finite length said articles being hollow said single elements being spouts, e.g. joining spouts to containers
    • B29C66/53247—Joining single elements to the wall of tubular articles, hollow articles or bars said single elements being substantially annular, i.e. of finite length said articles being hollow said single elements being spouts, e.g. joining spouts to containers said spouts comprising flanges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/63—Internally supporting the article during joining
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—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
    • B29C66/731—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 intensive physical properties of the material of the parts to be joined
    • B29C66/7315—Mechanical properties
    • B29C66/73151—Hardness
    • B29C66/73152—Hardness of different hardness, i.e. the hardness of one of the parts to be joined being different from the hardness of the other part
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
    • B29C66/73921—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81411—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
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81431—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined comprising a single cavity, e.g. a groove
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/832—Reciprocating joining or pressing tools
    • B29C66/8322—Joining or pressing tools reciprocating along one axis
    • 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
    • B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/124—Tongue and groove joints
    • B29C66/1242—Tongue and groove joints comprising interlocking undercuts
    • B29C66/12423—Dovetailed interlocking undercuts

Description

【０００１】
【発明の属する技術分野】
本発明は、幌付き自動車の幌を収納する幌収納体や、雨傘収納容器のような排水口を有する自動車用収納部材およびその製造法に関するものである。
【０００２】
【従来の技術】
幌付き自動車の幌を収納する幌収納体や、雨傘収納容器のような排水口を有する自動車用収納部材には雨水を車外に排水するためのドレーンを接続する必要があるため、例えば、図４、図５に示すように、底部に排水口を設けた軟質の熱可塑性樹脂よりなる肉薄の収納部材本体１と、フランジ２を有する排水口部材３と、この排水口部材３に嵌め込み式で結合されるドレーン管４とにより構成されているものが広く知られているが、このようなものにおける収納部材本体１と排水口部材３とは、図６に示すように、肉薄の収納部材本体１に設けられた穴に、この収納部材本体１より厚めの平坦なフランジ２を有する排水口部材３を嵌め込んだあとに、収納部品本体１とフランジ２との当接部を、下側定盤５の上に配置した溶接歯形６と上側定盤７との間に挟み、電極である溶接歯形６と上側定盤７により上下から押圧しながら高周波加熱して排水口部材３を収納部材本体１に溶着一体化していた。
【０００３】
しかしながら、収納部材本体１は軟質の熱可塑性樹脂からなる肉薄のものであり、一方の排水口部材３は硬質の熱可塑性樹脂からなるものであって、両者は軟化温度が異なるため、両者を高周波溶着するにしても、印加時間、冷却時間、同調ダイアル等の高周波加熱条件の設定が困難なものであった。特に、硬質の熱可塑性樹脂は溶融するまでに時間を要するとともに、一旦溶融を開始すると瞬時に軟化して形状を維持することが困難であるという問題があった。
また、軟質の熱可塑性樹脂は、溶融すると、図７に示すように、溶接歯形６の押圧により凹状に変形したり、溶融部の一部がフランジ外周から押し出されて溶融塊８を形成し、これが表皮部材を跳ね上げたりして見栄えの良くない溶着部が形成されるものであった。
従って、上記したような硬質熱可塑性樹脂の形状維持および軟質熱可塑性樹脂の溶融を回避するために、溶着温度を低下させたり溶着時間を短くしたりする必要があり、このため溶け込みが少なく溶着強度も低くなって指定の強度を確保することが困難であるという問題があった。
【０００４】
【発明が解決しようとする課題】
本発明は上記した従来の問題点を解決し、熱可塑性樹脂よりなる収納部材本体に形成された排水口に硬質の熱可塑性樹脂よりなる排水口部材を的確容易に取付けた排水口を有する自動車用収納部材およびこのような排水口を有する自動車用収納部材を容易に量産できる自動車用収納部材の製造法を提供するためになされたものである。
【０００５】
【課題を解決するための手段】
上記の課題を解決するためになされた本発明は、熱可塑性樹脂よりなる収納部材本体に形成された排水口に一端がフランジ部とされた硬質の熱可塑性樹脂よりなる短筒状の排水口部材を前記フランジ部が収納部品本体の片面の排水口周辺に当接されるように組み込んでその当接部位において両者を高周波溶着した自動車用収納部材であって、前記収納部材本体とフランジ部との溶着部位が、フランジ部の片面に連設された環状隆起が高周波溶着時に加圧変形されて収納部品本体の排水口周辺に埋め込まれた一連のアンカー部を有するものであることを特徴とする排水口を有する自動車用収納部材と、所要個所に排水口を形成してある熱可塑性樹脂よりなる収納部材本体と、片面に環状隆起を備えたフランジ部が一端に形成された硬質の熱可塑性樹脂よりなる排水口部材とを各別に成形する工程と、前記した収納部材本体の排水口に前記した排水口部材を前記フランジ部の環状隆起が収納部材本体の片面の排水口周辺に当接されるように組み込む工程と、前記収納部材本体の排水口周辺とフランジ部とを高周波溶着装置の電極間で加圧印加して、環状隆起の頂部が収納部材本体の片面の排水口周辺の片面に一連のアンカー部として埋め込まれた状態となるように高周波溶着してフランジ部を収納部材本体に一体化する工程とからなることを特徴とする排水口を有する自動車用収納部材の製造法とよりなるものである。
【０００６】
【発明の実施の形態】
以下に本発明の好ましい実施形態として、幌付き自動車の幌を収納する幌収納体に応用した場合について、図１〜図５を参照しながら詳細に説明する。
１は高周波溶着可能な軟質の熱可塑性合成樹脂シートよりなる収納部材本体であって、その所要個所には排水口が透設されている。そして、この収納部材本体１の排水口には、一端にフランジ部２を備えた硬質の熱可塑性樹脂よりなる短筒状の排水口部材３が収納部品本体１の片面の排水口周辺に前記フランジ部２が当接されるように組み込まれて、この当接部位において両者は高周波溶着されている。前記した排水口部材３は、図３に示すように、口径が先方にゆくに従って３段階に縮径された排水管接続用の短筒体の基端にフランジ部２を連設したもので、フランジ部２の片面にあたる収納部材本体１との当接面の中程には筒孔と同心状として断面が四角形の環状隆起９を一体に成形してある。なお、図示する環状隆起９は断面が四角形としているが、半円形、台形、三角形、不定形等連続した一連の隆起であれば良く、その断面形状に何ら制限はない。
【０００７】
そして、この排水口部材３は前記したフランジ部２が収納部品本体１の片面の排水口周辺に当接されるように短筒体を排水口に嵌め込んで両者の当接部位においてフランジ部２を収納部材本体１に高周波溶着し、これにより排水口を有する幌収納体とされているが、前記フランジ部２の前記した収納部材本体１との当接面に形成されている環状隆起９は高周波の印加により軟化してその頂部が収納部材本体１の排水口周辺の片面に変形して埋め込まれたアンカー部９ａとされ、このアンカー部９ａの投錨効果で環状隆起９との収納部材本体１の排水口周辺との当接部位は強固に一体化された状態に高周波溶着されている。
【０００８】
このように排水口部材３を収納部材本体１の排水口に高周波溶着するには、先ず、図４に示すように収納部材本体１をその排水口周辺が下部電極である溶接歯形６に支持されるように高周波溶着装置にセットし、次に、収納部材本体１の内部より排水口部材３を収納部材本体１の排水口に嵌め込んで前記フランジ部２を下部電極である溶接歯形６に支持されている収納部品本体１の内面の排水口周辺に当接させれば、排水口部材３はそのフランジ部２の片面に形成されている環状隆起９のみをもって収納部品本体１を介して下部電極である溶接歯形６に支持されることとなるから、続いて、上部電極である上側定盤７を降下させてこの溶接歯形６と上側定盤７間で常法により高周波溶着処理を行なえば、環状隆起９は高周波加熱により集中的に加熱されるため、図５に示すように、フランジ部２はその環状隆起９の頂部がくさび状のアンカー部９ａに変形されてこのアンカー部９ａが同じく軟化した軟質の熱可塑性樹脂からなる収納部材本体１に食い込むこととなり、これにより収納部材本体１に形成された排水口の周辺にフランジ部２の片面が高周波溶着されてこのフランジ部２で補強された状態として収納部材本体１と排水口部材３との溶着一体化は的確なうえ美麗な仕上がりが得られることとなる。
【０００９】
なお、本発明においては一連の環状隆起９が片面に形成されているフランジ部２としたことが極めて重要であり、たとえフランジ部２に隆起があっても、所要形状の突起を断続的に配置したのでは、食い込み面積が小さいために本発明のように強固な溶着を施すことができない。
【００１０】
【発明の効果】
以上に説明したように、本発明に係る排水口を有する自動車用収納部材は、収納部材本体とフランジ部との溶着部位が、フランジ部の片面に連設された環状隆起が高周波溶着時に加圧変形されて収納部品本体の排水口周辺に埋め込まれたアンカー部を有するものであるから、収納部材本体がたとえ肉薄の場合でも、この収納部材本体に形成された排水口に主として環状隆起により溶着されることとなって、硬質の熱可塑性樹脂よりなる排水口部材は収納部材本体との溶着部位が的確且つ美麗なものとなり、このため、体裁がよいうえに長期耐用できる利点がある。また、本発明に係る排水口を有する自動車用収納部材は、環状隆起が優先的に軟化溶融されることとなるために溶着部位の形状変化がなく、この結果、高周波加熱条件の設定範囲が緩和され、溶着装置によるバラツキ、材料の極性のバラツキ等が吸収されて、高周波加熱条件を容易に設定することができ、また、軟質の熱可塑性樹脂が溶着面から流出したり、収納部材本体の跳ね上がりの発生などを防止でき、その結果、前記したような排水口を有する自動車用収納部材を周知の高周波溶着装置によって的確容易に量産できる利点がある。
【図面の簡単な説明】
【図１】本発明に係る排水口を有する自動車用収納部材の好ましい実施の形態を示す要部の一部切欠斜視図である。
【図２】図１の部分断面図である。
【図３】本発明に用いる排水口部材の斜視図である。
【図４】本発明に係る排水口を有する自動車用収納部材の製造法の溶着前の状態を示す工程説明図である。
【図５】図５のＢ部の溶着後の状態を説明する断面図である。
【図６】従来の排水口を有する自動車用収納部材の製造法の１例を溶着前の状態で示す工程説明図である。
【図７】図６のＣ部における溶着後の状態を説明する断面図である。
【符号の説明】
１ 収納部材本体
２ フランジ部
３ 排水口部材
６ 溶接歯形
９ 環状隆起
9a アンカー部[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a hood storage body for storing a hood of an automobile with a hood, an automobile storage member having a drain outlet such as an umbrella storage container, and a manufacturing method thereof.
[0002]
[Prior art]
Since it is necessary to connect a drain for draining rainwater to the outside of the vehicle, it is necessary to connect a drain for draining rainwater to the outside of the vehicle, such as a hood housing body that houses a hood of a car with a hood, or a rain umbrella storage container. As shown in FIG. 5, a thin housing member body 1 made of a soft thermoplastic resin having a drain port at the bottom, a drain port member 3 having a flange 2, and a fitting type coupled to the drain port member 3. The storage member main body 1 and the drain port member 3 in such a structure are constituted by a thin storage member main body 1 as shown in FIG. After the drain port member 3 having the flat flange 2 thicker than the storage member main body 1 is fitted into the hole provided in the storage member main body 1, the contact portion between the storage component main body 1 and the flange 2 is set to the lower surface plate. Welding tooth profile 6 placed on top of 5 Sandwiched between 7 had integrated welded drain outlet member 3 by high-frequency heating while pressing from above and below by welding tooth 6 and the upper surface plate 7 as an electrode in the housing member body 1.
[0003]
However, the storage member main body 1 is a thin one made of a soft thermoplastic resin, and one drain port member 3 is made of a hard thermoplastic resin, and the two have different softening temperatures. Even if welding is performed, it is difficult to set high-frequency heating conditions such as application time, cooling time, and tuning dial. In particular, a hard thermoplastic resin has a problem that it takes time until it is melted, and once melting starts, it is difficult to soften instantaneously and maintain its shape.
Further, when the soft thermoplastic resin is melted, as shown in FIG. 7, it is deformed into a concave shape by pressing the welding tooth profile 6, or a part of the melted part is extruded from the outer periphery of the flange to form a molten mass 8. This formed a welded portion having a poor appearance by jumping up the skin member.
Therefore, it is necessary to lower the welding temperature or shorten the welding time in order to maintain the shape of the hard thermoplastic resin and avoid the melting of the soft thermoplastic resin as described above. There is a problem that it is difficult to secure the specified strength.
[0004]
[Problems to be solved by the invention]
The present invention solves the above-mentioned conventional problems, and has a drain port in which a drain port member made of a hard thermoplastic resin is easily attached to a drain port formed in a storage member body made of a thermoplastic resin. The present invention has been made in order to provide a method of manufacturing a storage member for a vehicle that can easily mass-produce a storage member and a storage member for a vehicle having such a drain port.
[0005]
[Means for Solving the Problems]
In order to solve the above-mentioned problems, the present invention provides a short cylindrical drainage port member made of a rigid thermoplastic resin having a flange portion at one end of a drainage port formed in a storage member body made of a thermoplastic resin. Is a storage member for automobiles in which the flange portion is assembled so as to be in contact with the periphery of the drain outlet on one side of the storage component main body, and both are welded at a high frequency at the contact portion, and the storage member main body and the flange portion Drainage characterized in that the welded portion has a series of anchor portions embedded in the vicinity of the drainage port of the storage component main body, in which an annular ridge connected to one surface of the flange portion is pressure-deformed during high-frequency welding. An automotive storage member having a mouth, a storage member body made of a thermoplastic resin having a drain outlet formed at a required location, and a rigid thermoplastic having a flange portion with an annular ridge on one side formed at one end The step of molding the drain port member made of resin separately, and the above-described drain port member on the drain port of the storage member main body are abutted around the drain port on one side of the storage member main body. And applying pressure between the electrodes of the high-frequency welding apparatus and the top of the annular ridge on one side of the storage member main body around the drain outlet. And a method for producing a storage member for an automobile having a drain port, characterized by comprising a step of high-frequency welding so as to be embedded as a series of anchor portions and integrating the flange portion with the storage member main body. Is.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, as a preferred embodiment of the present invention, a case where the present invention is applied to a hood housing body that houses a hood of a car with a hood will be described in detail with reference to FIGS.
Reference numeral 1 denotes a housing member body made of a soft thermoplastic synthetic resin sheet that can be welded at a high frequency, and a drainage port is provided through a required portion thereof. A short cylindrical drainage port member 3 made of a hard thermoplastic resin having a flange portion 2 at one end is provided at the drainage port of the storage member main body 1 around the drainage port on one side of the storage component main body 1. The part 2 is assembled so as to be in contact with each other, and both are welded at a high frequency at the contact part. As shown in FIG. 3, the drain port member 3 has a flange portion 2 continuously provided at the base end of a drain tube connecting short tube whose diameter is reduced in three stages as the diameter goes forward. An annular ridge 9 that is concentric with the cylindrical hole and has a square cross section is integrally formed in the middle of the contact surface with the housing member body 1 corresponding to one side of the flange portion 2. Although the illustrated annular ridge 9 has a quadrangular cross section, it may be a series of continuous bulges such as a semicircular shape, a trapezoidal shape, a triangular shape, and an indefinite shape, and the cross sectional shape is not limited.
[0007]
And this drain port member 3 inserts a short cylinder into a drain port so that the above-mentioned flange part 2 may contact | abut the periphery of the drain port of the one side of the storage component main body 1, and flange part 2 in both contact site | parts Is formed into a hood housing body having a drain outlet, and an annular ridge 9 formed on the contact surface of the flange portion 2 with the housing member body 1 is The anchor member 9a is softened by application of a high frequency and its top portion is deformed and embedded on one surface around the drain outlet of the housing member body 1, and the housing member body 1 with the annular ridge 9 by the anchoring effect of the anchor portion 9a. The contact portion with the periphery of the drain outlet is high-frequency welded in a strongly integrated state.
[0008]
In order to weld the drain port member 3 to the drain port of the storage member main body 1 in this way, first, as shown in FIG. 4, the storage member main body 1 is supported by a welding tooth profile 6 whose periphery is the lower electrode. Next, the drain port member 3 is fitted into the drain port of the storage member main body 1 from the inside of the storage member main body 1 and the flange portion 2 is supported by the welding tooth profile 6 as the lower electrode. The drain port member 3 has only an annular ridge 9 formed on one surface of the flange portion 2 through the storage component main body 1 if it is brought into contact with the periphery of the drain port on the inner surface of the stored component main body 1. If the upper surface plate 7 which is the upper electrode is lowered and then the high frequency welding process is performed between the weld tooth shape 6 and the upper surface plate 7 by a conventional method, Annular ridge 9 is concentrated by high frequency heating As shown in FIG. 5, the flange portion 2 of the flange portion 2 is heated to be deformed into a wedge-shaped anchor portion 9 a so that the anchor portion 9 a is also softened, and the housing portion is made of a soft thermoplastic resin. The storage member main body 1 and the drain port member are in a state in which one side of the flange portion 2 is high-frequency welded to the periphery of the drain port formed in the storage member main body 1 and thereby reinforced by the flange portion 2. The welding and integration with No. 3 will give an accurate and beautiful finish.
[0009]
In the present invention, it is extremely important that a series of annular ridges 9 are formed on the flange portion 2 formed on one side. Even if the flange portion 2 has a bulge, protrusions of a required shape are intermittently arranged. In this case, since the biting area is small, it is not possible to perform strong welding as in the present invention.
[0010]
【The invention's effect】
As described above, the automotive storage member having a drain port according to the present invention has a welded portion between the storage member main body and the flange portion, and an annular ridge that is continuously provided on one surface of the flange portion is pressurized during high-frequency welding. Since the anchor part is deformed and embedded around the drain outlet of the storage component main body, even if the storage member main body is thin, it is welded mainly to the drain outlet formed in the storage member main body by an annular ridge. In other words, the drain port member made of a hard thermoplastic resin has a precise and beautiful welded part with the housing member body, and therefore has an advantage that it has a good appearance and can be used for a long time. In addition, the storage member for automobiles having the drain according to the present invention has no change in the shape of the welded portion because the annular bulge is preferentially softened and melted. In this way, variations due to welding equipment, material polarity variations, etc. are absorbed, so that high-frequency heating conditions can be set easily, and a soft thermoplastic resin can flow out of the welding surface, or the storage member body can spring up. As a result, there is an advantage that an automobile storage member having a drain outlet as described above can be mass-produced accurately and easily by a known high-frequency welding apparatus.
[Brief description of the drawings]
FIG. 1 is a partially cutaway perspective view of a main part showing a preferred embodiment of an automotive storage member having a drain according to the present invention.
FIG. 2 is a partial cross-sectional view of FIG.
FIG. 3 is a perspective view of a drain port member used in the present invention.
FIG. 4 is a process explanatory view showing a state before welding in the method for manufacturing a storage member for an automobile having a drain according to the present invention.
5 is a cross-sectional view illustrating a state after welding of a portion B in FIG.
FIG. 6 is a process explanatory view showing an example of a conventional method for manufacturing an automotive storage member having a drain outlet in a state before welding.
7 is a cross-sectional view for explaining a state after welding at a portion C in FIG. 6. FIG.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Storage member main body 2 Flange part 3 Drain outlet member 6 Welding tooth form 9 Annular ridge
9a Anchor part

Claims (2)

熱可塑性樹脂よりなる収納部材本体(1) に形成された排水口に一端がフランジ部(2) とされた硬質の熱可塑性樹脂よりなる短筒状の排水口部材(3) を前記フランジ部(2) が収納部品本体(1) の片面の排水口周辺に当接されるように組み込んでその当接部位において両者を高周波溶着した自動車用収納部材であって、前記収納部材本体(1) とフランジ部(2) との溶着部位が、フランジ部(2) の片面に連設された環状隆起が高周波溶着時に加圧変形されて収納部品本体(1) の排水口周辺に埋め込まれた一連のアンカー部(9a)を有するものであることを特徴とする排水口を有する自動車用収納部材。A short cylindrical drainage port member (3) made of a rigid thermoplastic resin, one end of which is a flange portion (2) at a drainage port formed in a storage member body (1) made of a thermoplastic resin, is connected to the flange portion ( 2) is an automotive storage member that is assembled so as to be in contact with the periphery of the drain outlet on one side of the storage component body (1), and both are welded at a high frequency at the contact portion, and the storage member body (1) and The welded part with the flange (2) is a series of annular ridges connected to one side of the flange (2) that are pressed and deformed at the time of high-frequency welding and embedded around the drainage port of the housing part (1). An automobile storage member having a drain outlet, characterized by having an anchor portion (9a). 所要個所に排水口を形成してある熱可塑性樹脂よりなる収納部材本体と、片面に環状隆起を備えたフランジ部が一端に形成された硬質の熱可塑性樹脂よりなる排水口部材とを各別に成形する工程と、前記した収納部材本体の排水口に前記した排水口部材を前記フランジ部の環状隆起が収納部材本体の片面の排水口周辺に当接されるように組み込む工程と、前記収納部材本体の排水口周辺とフランジ部とを高周波溶着装置の電極間で加圧印加して、環状隆起の頂部が収納部材本体の片面の排水口周辺の片面に一連のアンカー部として埋め込まれた状態となるように高周波溶着してフランジ部を収納部材本体に一体化する工程とからなることを特徴とする排水口を有する自動車用収納部材の製造法。The storage member body made of a thermoplastic resin with a drain outlet formed at the required location, and the drain outlet member made of a rigid thermoplastic resin with a flange with an annular ridge on one side are formed separately. A step of incorporating the drain port member into the drain port of the storage member main body so that the annular bulge of the flange portion comes into contact with the periphery of the drain port on one side of the storage member main body, and the storage member main body The periphery of the drain and the flange are pressurized between the electrodes of the high-frequency welding device, and the top of the annular ridge is embedded as a series of anchors on one side of the storage member body around the drain A method for manufacturing a storage member for an automobile having a drain outlet, comprising: a step of high-frequency welding and integrating a flange portion with a storage member body.
JP2000156839A 2000-05-26 2000-05-26 Automotive storage member having a drain and its manufacturing method Expired - Fee Related JP3745586B2 (en)

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