JPS6245885Y2 - - Google Patents

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Publication number
JPS6245885Y2
JPS6245885Y2 JP1980085395U JP8539580U JPS6245885Y2 JP S6245885 Y2 JPS6245885 Y2 JP S6245885Y2 JP 1980085395 U JP1980085395 U JP 1980085395U JP 8539580 U JP8539580 U JP 8539580U JP S6245885 Y2 JPS6245885 Y2 JP S6245885Y2
Authority
JP
Japan
Prior art keywords
center electrode
electrode support
heating element
center
heat
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
Application number
JP1980085395U
Other languages
English (en)
Other versions
JPS5743128U (ja
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Priority to JP1980085395U priority Critical patent/JPS6245885Y2/ja
Publication of JPS5743128U publication Critical patent/JPS5743128U/ja
Application granted granted Critical
Publication of JPS6245885Y2 publication Critical patent/JPS6245885Y2/ja
Expired legal-status Critical Current

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Classifications

    • 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
    • B29C66/8167—Quick change joining tools or surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B29C65/22—Heated wire resistive ribbon, resistive band or resistive strip
    • B29C65/221—Heated wire resistive ribbon, resistive band or resistive strip characterised by the type of heated wire, resistive ribbon, band or strip
    • B29C65/224—Heated wire resistive ribbon, resistive band or resistive strip characterised by the type of heated wire, resistive ribbon, band or strip being a resistive ribbon, a resistive band or a resistive strip
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B29C65/24—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools characterised by the means for heating the tool
    • B29C65/30—Electrical means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/56—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
    • B29C65/60—Riveting or staking
    • B29C65/606—Riveting or staking the rivets being integral with one of the parts to be joined, i.e. staking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
    • B29C66/21—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being formed by a single dot or dash or by several dots or dashes, i.e. spot joining or spot welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81411—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat
    • B29C66/81421—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being convex or concave
    • B29C66/81423—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being convex or concave being concave
    • 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
    • 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

Landscapes

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

Description

【考案の詳細な説明】 本考案は熱可塑性プラスチツクに形成した突起
を他の部材に貫通して鉄リベツトと同様に加熱し
てカシメる装置に関する。
従来プラスチツクの突起を加熱軟化してカシメ
るには、常時先端が一定の温度を維持するように
加熱されている半田ゴテ様の工具を、プラスチツ
クの突起に圧接して突起を変形させるという方法
で行なわれている。
このような方法では、カシメ部分から工具を離
した直後のプラスチツクの部分は未だ軟化状態に
ある為、それに隣接する加熱変形の少ない部分の
プラスチツクが元の状態に復元しようとする反発
圧力によつてカシメられた部分が幾分変形し、完
全なカシメ状態を形成できず、接合強度が低下す
る欠点があり、更にこの方法では工具先端に溶融
したプラスチツクが付着したまゝ引去られる糸引
き現象が起こりカシメ部分の外観が汚なくなる欠
点がある。又この糸引き現象が起らないように、
カシメ工具の温度が低下するまでのカシメ部分に
工具を接しておけばよいが、そうすると１個当り
の加工に要する時間が長くなる。
本考案はカシメ部分を短時間で上記のような問
題なく、カシメ加工のできるプラスチツク突起カ
シメ装置を提供することを目的とするものであ
る。
本考案はこの目的を達するために、金属製の中
心電極支持具と、一端が閉じておりこの閉じた一
端に成形用型部が形成され他端が開放した円筒状
であつて、中心電極支持具の一端にこの一端と成
形用型部との間に間隙を有するよう前記他端で嵌
合して取付けた薄い発熱体と、中心電極支持具の
他端側に接続した金属製の放熱器と、中心電極支
持具内に耐熱性電気絶縁物を介して挿入され一端
を発熱体の内側から成形用型部内面中心に圧接せ
しめた中心電極と、中心電極及び放熱器をシーケ
ンス制御電源に夫々接続したリード線とを具えた
プラスチツク突起カシメ装置を構成したものであ
る。
第１図は本案装置の外観図で１はニクロムリボ
ン等のシート状の金属の電気抵抗体からなるシー
ト状発熱体を、第３図に示すように中央から折り
曲げて円筒状にし、その中央部に外に向つて凹面
をなす成形用型部１ａを形成した発熱体で、２は
発熱体１を支持する固定ネジ筒、３はフイン等を
有する放熱器４にネジを介して接合した外周電極
を兼ねた中心電極支持具、５はリード線６及び７
を固定するスクリユーキヤツプ、８は給電用のシ
ーケンス制御電源である。
第２図はカシメ装置の内部を示す断面図であつ
て発熱体１は、中心電極支持具３の一端外周に設
けたネジと固定ネジ筒２によつて中心電極支持具
３の一端と成形用型部１ａとの間に間隙を有して
他端周縁で中心電極支持具３に嵌合固定されてお
り、更に中心電極支持具３の他端側は放熱器４に
ネジ結合している。放熱器４及び中心電極支持具
３は夫々給電用の導体及び外周電極を兼ねさせた
ものである。中心電極支持具３及び放熱器４の中
心に両者を貫通して設けた孔に中心電極１３が軸
方向に上下に可動できるように備えられており、
中心電極支持具３の上端の凹腔３ａに収納した圧
接用のバネ１６及び中心電極１３の途中より膨出
させたバネ受座１７によつて、中心電極１３の一
端１８は発熱体１の内側から成形用型部１ａの裏
面の中央部分に適当な圧力で圧接している。
更に中心電極１３は中心電極支持具３及び放熱
器４とはテフロン、シリコンゴム、ガラス織物、
マイカ等の耐熱性電気絶縁物１４及び１５によつ
て絶縁されている。
リード線６はネジ２０によつて放熱器４を介し
て中心電極支持具３に接続され、外周電極ならび
にアース電極として、電気的な危害を防ぐように
なつている。又、中心電極１３の上部の他端に
は、電極の摺動を自由にするため伸縮自在の網銅
線１９の一端がロウ付け等によつて接合されてお
り、網銅線１９の他端はリード線７を介してシー
ケンス制御電源に接続されている。
本案装置は第１図Ａに示す熱可塑性部材１１に
設けた突起９を金属板あるいは異種プラスチツク
等の被カシメ板１０に設けた孔に貫通させて、突
起の先端に発熱体１の成形用型部１ａを圧接し
て、加圧力、通電時間、通電停止後の冷却時間等
をシーケンス制御により適当に設定して、圧接し
ながら通電すれば突起９は先端より加熱されて軟
化してカシメられ、加圧したまゝ冷却されて第１
図Ｂの丸鋲頭１２のようなカシメ形状にカシメを
行なうものである。
本案装置では、発熱体１の成形用型部１ａの裏
面の中央部に中心電極が圧接されており、そこか
ら周囲に電流が供給されるためと、接触抵抗によ
り、また成形用型部１ａは中心電極支持具３から
離されているので、その中央が最も早く高温とな
り、突起９の先端部分を一番効率的に加熱でき、
加工速度を著しく早くできる。カシメに不用な発
熱体側面の発熱や損失電流も少なく、エネルギー
の利用効率が高い。
プラスチツクの突起９を軟化させてカシメた後
通電を停止すると、薄く熱容量の小さい発熱体１
に与えられた熱は、熱容量の大きい中心電極支持
具３及び放熱器４に円筒状部を通して素早く放熱
されるため、成形用型部１ａの温度を急速に低下
でき、カシメた状態のまゝ突起９を素早く冷却固
化でき、短時間で仕上り外観が良く、強固にカシ
メ加工を施すことができる。
なお中心電極支持具３には真鍮、放熱器４には
アルミニウム等の一般に電気・熱の良伝導性材料
として用いられている金属が用いられるので、こ
れらに生ずる通電抵抗による電力損失や発熱は殆
どない。また後記のように使用電圧は1V程度
で、これらはリード線６を介してアースに接続さ
れるので、使用に際して危険を生ずることはな
い。
本案装置を用いて、小型ラジオ、カセツトレコ
ーダー等の表示板のABS樹脂製の本体に形成し
た直径３mmのカシメ用突起を、照明用のアクリル
ランプシエードの孔に貫通し、突出した部分をカ
シメる場合の条件の一例を示すと次の通りであ
る。
加工諸元は 発熱体先端直径 4.5mm 加熱電流 30A（AC） 加熱電圧 1V（AC） 加工荷重 ２Kg 通電時間 2sec 冷却時間 2sec 発熱体消費電力 約10W
【図面の簡単な説明】
第１図は本案装置の一実施例の側面図と加工物
の加工前と加工後の状態を示した図、第２図は第
１図の本案装置の縦断面図、第３図は第２図中の
発熱体１の斜視図である。 １……発熱体、１ａ……成形用型部、２……固
定ネジ筒、３……中心電極支持具、４……放熱
器、５……スクリユーキヤツプ、６……リード
線、７……リード線、８……シーケンス制御電
源、９……熱可塑性プラスチツクの突起、１０…
…被カシメ材、１１……熱可塑性部材、１２……
丸鋲頭、１３……中心電極、１４，１５……耐熱
電気絶縁物、１６……圧接用バネ、１７……バネ
受座、１８……中心電極の一端、１９……網銅
線、２０……ネジ。

Claims (1)

    【実用新案登録請求の範囲】
  1. 金属製の中心電極支持具と、一端が閉じており
    この閉じた一端に成形用型部が形成され他端が開
    放した円筒状であつて中心電極支持具の一端にこ
    の一端と成形用型部との間に間隙を有するように
    前記他端で嵌合して取付けた薄い発熱体と、中心
    電極支持具の他端側に接続した金属製の放熱器
    と、中心電極支持具内に耐熱電気絶縁物を介して
    挿入され一端を発熱体の内側から成形用型部内面
    中心に圧接せしめた中心電極と、中心電極及び放
    熱器をシーケンス制御電源に夫々接続したリード
    線とを具えたプラスチツク突起カシメ装置。
JP1980085395U 1980-06-18 1980-06-18 Expired JPS6245885Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1980085395U JPS6245885Y2 (ja) 1980-06-18 1980-06-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1980085395U JPS6245885Y2 (ja) 1980-06-18 1980-06-18

Publications (2)

Publication Number Publication Date
JPS5743128U JPS5743128U (ja) 1982-03-09
JPS6245885Y2 true JPS6245885Y2 (ja) 1987-12-09

Family

ID=29447647

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1980085395U Expired JPS6245885Y2 (ja) 1980-06-18 1980-06-18

Country Status (1)

Country Link
JP (1) JPS6245885Y2 (ja)

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Publication number Priority date Publication date Assignee Title
JPS5946213U (ja) * 1982-09-20 1984-03-27 三洋電機株式会社 加熱溶融装置

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JPS5743128U (ja) 1982-03-09

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