JP3328214B2 - 合成樹脂成形品の溶着装置 - Google Patents

合成樹脂成形品の溶着装置

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Publication number
JP3328214B2
JP3328214B2 JP09648999A JP9648999A JP3328214B2 JP 3328214 B2 JP3328214 B2 JP 3328214B2 JP 09648999 A JP09648999 A JP 09648999A JP 9648999 A JP9648999 A JP 9648999A JP 3328214 B2 JP3328214 B2 JP 3328214B2
Authority
JP
Japan
Prior art keywords
synthetic resin
pressure
reducing valve
pressure reducing
welding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP09648999A
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English (en)
Other versions
JP2000280351A (ja
Inventor
彰 力石
肇 工藤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yachiyo Industry Co Ltd
Original Assignee
Yachiyo Industry Co Ltd
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Filing date
Publication date
Application filed by Yachiyo Industry Co Ltd filed Critical Yachiyo Industry Co Ltd
Priority to JP09648999A priority Critical patent/JP3328214B2/ja
Publication of JP2000280351A publication Critical patent/JP2000280351A/ja
Application granted granted Critical
Publication of JP3328214B2 publication Critical patent/JP3328214B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/90Measuring or controlling the joining process
    • B29C66/92Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools
    • B29C66/929Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools characterized by specific pressure, force, mechanical power or displacement values or ranges
    • B29C66/9292Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools characterized by specific pressure, force, mechanical power or displacement values or ranges in explicit relation to another variable, e.g. pressure diagrams
    • B29C66/92921Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools characterized by specific pressure, force, mechanical power or displacement values or ranges in explicit relation to another variable, e.g. pressure diagrams in specific relation to time, e.g. pressure-time diagrams
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B29C65/20Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools with direct contact, e.g. using "mirror"
    • B29C65/2053Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools with direct contact, e.g. using "mirror" characterised by special ways of bringing the welding mirrors into position
    • B29C65/2061Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools with direct contact, e.g. using "mirror" characterised by special ways of bringing the welding mirrors into position by sliding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B29C65/24Joining 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
    • B29C65/30Electrical means
    • B29C65/305Electrical means involving the use of cartridge heaters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/05Particular design of joint configurations
    • B29C66/10Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11Joint 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
    • B29C66/112Single lapped joints
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/05Particular design of joint configurations
    • B29C66/10Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11Joint 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
    • B29C66/114Single butt joints
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/05Particular design of joint configurations
    • B29C66/10Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/13Single 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
    • B29C66/131Single flanged joints, i.e. one of the parts to be joined being rigid and flanged in the joint area
    • B29C66/1312Single flange to flange joints, the parts to be joined being rigid
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/50General 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
    • B29C66/51Joining 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
    • B29C66/53Joining single elements to tubular articles, hollow articles or bars
    • B29C66/532Joining single elements to the wall of tubular articles, hollow articles or bars
    • B29C66/5324Joining single elements to the wall of tubular articles, hollow articles or bars said single elements being substantially annular, i.e. of finite length
    • B29C66/53245Joining 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
    • B29C66/53246Joining 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
    • B29C66/53247Joining 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/80General aspects of machine operations or constructions and parts thereof
    • B29C66/82Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
    • B29C66/824Actuating mechanisms
    • B29C66/8242Pneumatic or hydraulic drives
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/80General aspects of machine operations or constructions and parts thereof
    • B29C66/83General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/832Reciprocating joining or pressing tools
    • B29C66/8322Joining or pressing tools reciprocating along one axis
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/90Measuring or controlling the joining process
    • B29C66/92Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools
    • B29C66/924Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force, the mechanical power or the displacement of the joining tools
    • B29C66/9241Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force or the mechanical power
    • B29C66/92441Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force or the mechanical power the pressure, the force or the mechanical power being non-constant over time
    • B29C66/92443Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force or the mechanical power the pressure, the force or the mechanical power being non-constant over time following a pressure-time profile
    • B29C66/92445Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force or the mechanical power the pressure, the force or the mechanical power being non-constant over time following a pressure-time profile by steps
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/80General aspects of machine operations or constructions and parts thereof
    • B29C66/84Specific machine types or machines suitable for specific applications
    • B29C66/863Robotised, e.g. mounted on a robot arm
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/712Containers; Packaging elements or accessories, Packages
    • B29L2031/7172Fuel tanks, jerry cans

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Description

【発明の詳細な説明】
【0001】
【発明の属する技術分野】本発明は、熱可塑性合成樹脂
材からなる燃料タンクに形成された開口の周囲に熱可塑
性合成樹脂材からなる筒状のフィラーチューブ接続口
形成されたフランジを溶着する合成樹脂成形品の溶着装
置に関する。
【0002】
【従来の技術】例えば合成樹脂材でブロー成型された燃
料タンクなどの本体部品に対する合成樹脂材で射出成型
されたフィラーチューブの接続口などの小部品の溶着
は、従来、先ず、電熱線が組み込まれた熱板を本体部品
と小部品との間に挟み込み、所定の圧力で小部品を本体
部品側へ押し付けることによって本体部品と小部品との
互いの接合面を溶融して両者の平行度を整え、かつ溶着
可能な程度に両部品の互いの接合面の溶融を促進させ、
次に、熱板を離脱させた上で小部品を本体部品に押し付
けた状態を維持しつつ冷却する、といった工程がとられ
ていた。
【0003】
【発明が解決しようとする課題】しかるに、本体部品、
小部品共に製造誤差に基因する個体差があり、面精度に
ばらつきが生じるのを避けられないことから、両者の溶
着面の平行度を整えた上で溶着可能な程度に両部品の互
いの接合面の溶融を促進させるのに要する時間は、低精
度のものに合わせて長めに設定せざるを得なかった。そ
のため、両部品の溶融深さの均一化が阻害される結果、
溶着強度にばらつきが生じかねなかった。
【0004】本発明は、このような従来技術の問題点を
解消するべく案出されたものであり、その主な目的は、
サイクルタイムを増大せずに溶着強度を均一化し得るよ
うに改良された合成樹脂成形品の溶着方法並びに溶着装
置を提供することにある。
【0005】
【課題を解決するための手段】このような目的を果たす
ために、本発明に於いては、熱可塑性合成樹脂材からな
る燃料タンク(T)に形成された開口(12)の周囲に
熱可塑性合成樹脂材からなる筒状のフィラーチューブ接
続口(F)に形成されたフランジ(13)を溶着する合
成樹脂成形品の溶着装置であって、前記燃料タンクに向
けて前記フランジに押圧力を加えるべく空気圧で作動す
るシリンダ装置(実施の形態中のエアシリンダ7)と、
前記開口の周囲と前記フランジとの間に熱板(11)を
挟んで互いの接合面の平行度が整うように溶融する過程
(図6中の面出し過程)における前記シリンダ装置への
供給圧力を設定する第1減圧弁(2)と、前記熱板を取
り外した上で互いの接合面を溶着する過程(図6中の溶
着過程)における前記シリンダ装置への供給圧力を設定
する第2減圧弁(3)と、前記第1減圧弁並びに前記第
2減圧弁と前記シリンダ装置との間の連通状態を切り換
える3位置の4方電磁弁(4)とを備えることを特徴と
する合成樹脂成形品の溶着装置を提供することとした。
【0006】このようにすれば、接合面同士の平行度を
整えるのに要する圧力および接合面同士を溶着するのに
要する圧力が個々に最適設定されるので、面出しに要す
る時間を短縮でき、かつ溶融深さが不均一になることを
回避できる。
【0007】
【発明の実施の形態】以下に添付の図面を参照して本発
明について詳細に説明する。
【0008】図1は、本発明に基づく加圧装置の概略構
成図である。エアコンプレッサからの元圧が加わる管路
1は2つに分岐され、それぞれ異なる圧力に設定された
減圧弁2・3を介して3位置の4方電磁弁4の2つの入
力ポート5A・5Bにそれぞれ接続されている。そして
電磁弁4の第1出力ポート6Aは、スプリングリターン
型のエアシリンダ7に接続されている。
【0009】この電磁弁4は、第1位置LPで、第1入
力ポート5Aと第1出力ポート6Aとが連通し、かつ第
2入力ポート5Bがブロックされ、中立位置CPで、両
入力ポート5A・5Bが共にブロックされ、かつ両出力
ポート6A・6B間が短絡され、第2位置RPで、第2
入力ポート5Bと第1出力ポート6Aとが連通し、かつ
第1入力ポート5Aがブロックされるようになってい
る。
【0010】電磁弁4を第1位置LPにすると、第1入
力ポート5Aと第1出力ポート6Aとが連通するので、
第1入力ポート5Aに接続された第1減圧弁2で設定さ
れた比較的高圧P1がエアシリンダ7に作用する。そし
て電磁弁4を中立位置CPにすると、エアシリンダ7に
空気圧が作用しないので、コイルばね8の弾発力でピス
トンロッド9が収縮位置となる無負荷状態が維持され
る。そして電磁弁4を第2位置RPにすると、第2入力
ポート5Bと第1出力ポート6Aとが連通するので、第
2入力ポート5Bに接続された第2減圧弁3で設定され
た比較的低圧P3がエアシリンダ7に作用する。
【0011】このようにして、電磁弁4の位置切換によ
り、高圧〜無負荷〜低圧とエアシリンダ7の作動圧を切
り換えることができる。
【0012】次に燃料タンクTにフィラーチューブ接続
口Fを溶着する過程について図2〜図6を参照して説明
する。
【0013】先ず、図2に示すように、電熱線10が組
み込まれた熱板11を、燃料タンクTの開口12の周囲
とフィラーチューブ接続口Fのフランジ13との間に挟
み込み、電磁弁4を第1位置LPにして上記のエアシリ
ンダ7に高圧エア(P1)を供給した状態でフランジ1
3を開口12の周囲に押し付ける。これを所定時間継続
し、開口12の周囲とフランジ13との平行度が整う程
度に互いの接合面同士を面出し溶融する。
【0014】次に電磁弁4を中立位置CPにしてエアシ
リンダ7を無負荷にし、例えば加圧装置の自重(P2)
のみが加わるようにする(図3参照)。この状態を所定
時間維持し、開口12の周囲とフランジ13との接合面
同士を溶着可能な程度に溶融する。この時の圧力は、シ
リンダ内圧を大気解放として自重のみが加わるようにす
ることに限定されず、別の減圧弁で設定された適宜な圧
力が加わるようにしても良いし、場合によっては自重よ
りも軽くなるようにシリンダに逆向きのストロークを与
えるように構成しても良い。
【0015】次いで図4に示すようにタンクTからフィ
ラーチューブ接続口Fを引き出し、熱板11を離脱させ
る。なお、このフィラーチューブ接続口F並びに熱板1
1の移動工程は、公知のスイングアームを用いた工業用
ロボットなどを適宜に利用することができる。
【0016】次に図5に示すように、フィラーチューブ
接続口FをタンクT内に再び挿入し、電磁弁4を第2位
置RPにしてエアシリンダ7に低圧エア(P3)を供給
した状態で開口12の周囲にフランジ13を押し付け
る。この状態を所定時間継続し、両者の溶融部分を接着
させ、かつ冷却固化させる。
【0017】
【発明の効果】以上説明したように本発明によれば、接
合面同士の平行度を整えるのに要する圧力および接合面
同士を溶着するのに要する圧力が個々に最適設定される
ので、面出しに要する時間を短縮でき、かつ溶融深さが
不均一になることを回避できることから、製造効率を高
め、かつ溶着品質を均一化する上に多大な効果を奏する
ことができる。
【図面の簡単な説明】
【図1】本発明の加圧装置の概略構成図
【図2】面出し過程の説明図
【図3】溶融過程の説明図
【図4】熱板離脱過程の説明図
【図5】溶着過程の説明図
【図6】全過程のタイムチャート
【符号の説明】
T タンク F フィラーチューブ接続口 2・3 減圧弁 4 電磁弁 7 エアシリンダ 11 熱板 12 開口 13 フランジ

Claims (1)

    (57)【特許請求の範囲】
  1. 【請求項1】 熱可塑性合成樹脂材からなる燃料タンク
    に形成された開口の周囲に熱可塑性合成樹脂材からなる
    筒状のフィラーチューブ接続口に形成されたフランジを
    溶着する合成樹脂成形品の溶着装置であって、 前記燃料タンクに向けて前記フランジに押圧力を加える
    べく空気圧で作動するシリンダ装置と、 前記開口の周囲と前記フランジとの間に熱板を挟んで互
    いの接合面の平行度が整うように溶融する過程における
    前記シリンダ装置への供給圧力を設定する第1減圧弁
    と、 前記熱板を取り外した上で互いの接合面を溶着する過程
    における前記シリンダ装置への供給圧力を設定する第2
    減圧弁と、 前記第1減圧弁並びに前記第2減圧弁と前記シリンダ装
    置との間の連通状態を切り換える3位置の4方電磁弁と
    を備えることを特徴とする合成樹脂成形品の溶着装置。
JP09648999A 1999-04-02 1999-04-02 合成樹脂成形品の溶着装置 Expired - Lifetime JP3328214B2 (ja)

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JP4863200B2 (ja) * 2005-12-28 2012-01-25 株式会社不二越 樹脂部品の溶融装置、樹脂部品の溶融ロボットシステム及び樹脂部品の溶融方法
JP2008030262A (ja) * 2006-07-27 2008-02-14 Toyo Roshi Kaisha Ltd 樹脂の溶融接合方法及び樹脂の溶融接合装置
JP6268755B2 (ja) * 2013-05-31 2018-01-31 キョーラク株式会社 タンク及びその製造方法

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