JPS6198528A - 高周波ウエルダ加工法 - Google Patents

高周波ウエルダ加工法

Info

Publication number
JPS6198528A
JPS6198528A JP59220121A JP22012184A JPS6198528A JP S6198528 A JPS6198528 A JP S6198528A JP 59220121 A JP59220121 A JP 59220121A JP 22012184 A JP22012184 A JP 22012184A JP S6198528 A JPS6198528 A JP S6198528A
Authority
JP
Japan
Prior art keywords
work
skin material
pressure
electrode
upper electrode
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.)
Pending
Application number
JP59220121A
Other languages
English (en)
Inventor
Masami Fujiwara
藤原　正己
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.)
Toyota Motor Corp
Original Assignee
Toyota Motor Corp
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
Application filed by Toyota Motor Corp filed Critical Toyota Motor Corp
Priority to JP59220121A priority Critical patent/JPS6198528A/ja
Publication of JPS6198528A publication Critical patent/JPS6198528A/ja
Pending legal-status Critical Current

Links

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
    • B29C66/50—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
    • B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
    • B29C66/545—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles one hollow-preform being placed inside the other
    • 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
    • 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
    • B29C66/301—Three-dimensional joints, i.e. the joined area 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
    • B29C66/80—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
    • B29C66/8145—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 constructional aspects of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/81455—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 constructional aspects of the pressing elements, e.g. of the welding jaws or clamps being a fluid inflatable bag or bladder, a diaphragm or a vacuum bag for applying isostatic pressure
    • 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
    • B29C66/80—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
    • B29C66/81433—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 being toothed, i.e. comprising several teeth or pins, or being patterned
    • 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
    • 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
    • B29L2009/00—Layered products

Landscapes

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

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。

Description

【発明の詳細な説明】 （産業上の利用分野） 本発明は例えば自動車のドアトリム等の内装製品の表面
に模様を付したり、或いは別表皮を溶着したりするとき
に利用される高周波多エルダ加工法に関する。
（従来の技術） 従来、塩化ビニル等の表皮材を備えた被加工物を一対の
電極間に挟み、この一対の電極によって被加工物に加圧
しつつ高周波電界を作用させ、表皮材中に誘電体損失を
生じさせることにより内部発熱させて、この表皮材を溶
融する高周波ウエルダ加工法が知られている。この加工
法において、例えば一対の電極のうちの表皮材に圧接さ
れるものに模様を施しておけば１、表皮材にこの模様を
転写することができ、また。
被加工物と電極との間に別表皮材を挿し込んでおけば、
被加工物に対し表皮材と溶着することができるものであ
る。
（発明が解決しようとする問題点） しかし、この加工法により曲面形状を有した被加工物の
加工を行う場合には、電極による加圧力が被加工物に対
して均一にかかりにくり。
そのため模様ムラや接着不良等を起すという問題があっ
た。
したがって、本発明は、電極による加圧力が被加工物に
均一にかかるようにすることをその技術的課題としてい
る。
（問題点を解決するための手段） そのため本発明は、圧力を加えると変形する材料により
中空状に形成した加圧゛電極の中空部に流体を圧入して
被加工物に加圧することを特徴とする。
（発明の作用） かかる構成を有する本発明によれば、加圧電極の各部に
亘って均一・な圧力が加わるため、その変形を通じて被
加工物に対しても均一な圧力が加えられることとなり、
曲面形状を有した被加工物であっても模様ムラや接着不
良を起すことのない良好な加工を施すことができること
となる。
（実施例） 以下本発明の実施例を図面を参照しつつ説明すると、ま
ずＷは被加工物であり、塩化ビニルシート等の表皮材ｗ
１と発泡体ｗ２とプラスチックｗ３とからなる３層構造
をもって曲面形状を有す；　　　　　る。
１は上電極、２は下電極であり、これら両電極１．２は
夫々装置の土足ｍ３、下定盤４に固着され上下方向に対
向しており、ウエルダ型として使用可能なシリコン等の
ダー性材により形成される。上電極１は加圧電極として
機能するもので、中空状に形成されており、５はその中
空部である。この中空部５には注油管６が接続されてい
る。そして両電極１，２間には高周波電源７が接続され
ている。
このように構成された装置において、まず下電極ｚ上に
、表皮材Ｗ１を上に被加工物Ｗをセットし、次いで上電
極１を下降され、これら一対の電極１．２間に被加工物
Ｗを挟む。そして、この状態で図示しない油送ポンプに
よって注油バイブロを介して上電極１の中空部５内にオ
イルを圧入する。すると、このオイルの圧力が上電極１
に対して作用し、これによって被加工物Ｗが各部におい
て均一に加圧される。このオイルの圧入後、高周波電源
７によって両電極ｌ。
２間に約４０〜７０ＭＨｚの高周波電圧を印加する。
すると、被加工物Ｗに対し高周波電界が作用し、表皮材
ｗｌ中に誘電体損失を生じ、この表皮材ｗ１は内部発熱
により軟化する。したがって上電極ｌに模様を施してお
けば、表皮材ｗ１表面に、この模様が転写されることに
なり、また、別の表皮を上電極ｌと被加工物Ｗとの間に
入れておけば、これが溶着されることになる。
すなわち、ここでは圧力媒体がオイルであるため、上電
極１の中空部５内における各受圧面に対し、その圧力が
垂直方向に作用することになるので、全域に亘って均一
な圧力が得られることとなる。
（発明の効果） 以上述べて来たように本発明によれば、加圧電極に、そ
の中空部から流体により圧力を加えて被加工物に加圧す
るようにしたため、被加工物の各部に均一な圧力が加わ
ることとなり、曲面形状を有した被加工物であっても模
様ムラや接着不良を起すことのない良好な加工を施すこ
とができるという効果を奏する。これにより、高周波ウ
エルダ加１工法の適用範囲が大巾に拡大されることにな
る。
【図面の簡単な説明】
図は本発明方法の実施に使用する装置の一例を示す要部
断面図である。

Claims (1)

    【特許請求の範囲】
  1. （１）圧力を加えると変形する材料により中空状に形成
    した加圧電極の中空部に流体を圧入して被加工物に加圧
    することを特徴とする高周波ウェルダ加工法。
JP59220121A 1984-10-19 1984-10-19 高周波ウエルダ加工法 Pending JPS6198528A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59220121A JPS6198528A (ja) 1984-10-19 1984-10-19 高周波ウエルダ加工法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59220121A JPS6198528A (ja) 1984-10-19 1984-10-19 高周波ウエルダ加工法

Publications (1)

Publication Number Publication Date
JPS6198528A true JPS6198528A (ja) 1986-05-16

Family

ID=16746243

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59220121A Pending JPS6198528A (ja) 1984-10-19 1984-10-19 高周波ウエルダ加工法

Country Status (1)

Country Link
JP (1) JPS6198528A (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5558015A (en) * 1993-12-28 1996-09-24 Hitachi Techno Engineering Co., Ltd. Hot press with pressure vessels to uniformly distribute pressure to the work piece
EP0755774A3 (en) * 1995-07-28 1997-02-05 FIAT AUTO S.p.A. Method and apparatus for producing structural parts made of plastics material

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5558015A (en) * 1993-12-28 1996-09-24 Hitachi Techno Engineering Co., Ltd. Hot press with pressure vessels to uniformly distribute pressure to the work piece
EP0755774A3 (en) * 1995-07-28 1997-02-05 FIAT AUTO S.p.A. Method and apparatus for producing structural parts made of plastics material

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