JPH0356172B2 - - Google Patents

Info

Publication number
JPH0356172B2
JPH0356172B2 JP58054507A JP5450783A JPH0356172B2 JP H0356172 B2 JPH0356172 B2 JP H0356172B2 JP 58054507 A JP58054507 A JP 58054507A JP 5450783 A JP5450783 A JP 5450783A JP H0356172 B2 JPH0356172 B2 JP H0356172B2
Authority
JP
Japan
Prior art keywords
members
tube
welding
tool
vibration
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
JP58054507A
Other languages
English (en)
Other versions
JPS59178215A (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
Application filed filed Critical
Priority to JP58054507A priority Critical patent/JPS59178215A/ja
Publication of JPS59178215A publication Critical patent/JPS59178215A/ja
Publication of JPH0356172B2 publication Critical patent/JPH0356172B2/ja
Granted 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
    • B29C65/088—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations using several cooperating sonotrodes, i.e. interacting with each other, e.g. for realising the same joint
    • 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
    • B29C66/345—Progressively making the joint, e.g. starting from the middle
    • B29C66/3452—Making complete joints by combining partial 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
    • B29C66/50—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
    • B29C66/5326—Joining single elements to the wall of tubular articles, hollow articles or bars said single elements being substantially flat
    • B29C66/53261—Enclosing tubular articles between substantially flat elements
    • B29C66/53262—Enclosing spouts between the walls of bags, e.g. of medical bags
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/53—Joining single elements to tubular articles, hollow articles or bars
    • B29C66/534—Joining single elements to open ends of tubular or hollow articles or to the ends of bars
    • B29C66/5344—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially annular, i.e. of finite length, e.g. joining flanges to tube ends
    • 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
    • B29C66/612—Making circumferential 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
    • B29C66/81411—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
    • B29C66/814—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
    • B29C66/81463—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 comprising a plurality of single pressing elements, e.g. a plurality of sonotrodes, or comprising a plurality of single counter-pressing elements, e.g. a plurality of anvils, said plurality of said single elements being suitable for making a single joint
    • 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
    • B29C66/83221—Joining or pressing tools reciprocating along one axis cooperating reciprocating tools, each tool 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
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/04—Polymers of ethylene
    • B29K2023/06—PE, i.e. polyethylene
    • B29K2023/0608—PE, i.e. polyethylene characterised by its density
    • B29K2023/0633—LDPE, i.e. low density polyethylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
    • B29K2027/06—PVC, i.e. polyvinylchloride

Landscapes

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

Description

【発明の詳細な説明】 本発明は、合成樹脂部材の溶着方法に係るもの
で、さらに詳しくは、一方の管状部材の内部に他
方の部材を挿入し複数個の超音波振動ホーンにて
一度に超音波振動溶着する合成樹脂部材の溶着方
法に関するものである。
従来、二つの合成樹脂部材を治具と工具ホーン
との間に設置し、工具ホーンより超音波振動を印
加して接触面を溶着してなる合成樹脂部材の超音
波溶着方法はほとんどの熱可塑性合成樹脂に適用
できることから広く使用されている。
しかしながら、超音波振動溶着方法にあつては
重ね合わせた部材の加圧接触された特定部分に強
い応力が集中し、この応力の集中した部分が超音
波振動にて内部発熱し溶融することから、一方の
管状部材の内部に他の部材を挿入し、該挿入して
重なり合つた周面を溶着するには欠点を生じるも
のであつた。即ち、第５図に示すように超音波を
印加する工具ホーン２７側の両部材の接触面Ａは
加圧接触して比較的強い応力が集中し内部発熱が
良好に行なわれるが、工具ホーン２７より遠い部
分である治具２３側の接触面Ｂは加圧接触されに
くく内部発熱が良好に行なわれない。さらに被溶
着部材である管状部材が軟質の場合超音波振動が
治具２３側の接触面Ｂまで有効に作用せず充分な
溶着強度が得られなかつた。
そこで、充分な接合強度を得るために、両部材
を回転させ、数度に分けて、超音波を印加させる
という方法が採られている。しかし、この方法で
あれば、超音波を数回に分けて印加せねばならず
工程数が増え、作業性がすこぶる悪いという欠点
があり、又そればかりではなく、溶着された面と
されない面との境界Ｃに於いて、再度超音波を印
加しても、溶着強度に劣るという欠点を有してい
る。
本発明は上記の欠点を解消するものであり、以
下に本発明の一実施例として、血圧測定に使用さ
れるマンセツターの吸排気用管体の溶着方法を説
明する。
１は軟質ポリ塩化ビニルをブロー成形してなる
マンセツターであり、１ａは空気収容室である。
そしてマンセツター１の吸排気用管体は薄肉の大
口径管状部材２と厚肉の小口径管状部材３とを溶
着して構成される。
まず一方の比較的柔い大口径管状部材２の内部
に他方の小口径管状部材３を挿入し、その二つの
管状部材が重なり合つた部分を被着部１１とす
る。次に該被着部１１の外周面１２を二つの工具
ホーン７ａ，７ｂで押さえ、工具ホーン７ａ，７
ｂと大口径管状部材２との間に圧力を有するよう
に二つの工具ホーン７ａ，７ｂで管状部材を包囲
する。二つの工具ホーン７ａ，７ｂは、若干の間
隙を有しており、工具ホーン７ａ，７ｂ同志が接
触しないように配置する、次いで、それぞれの高
周波発振機４にて、電気的振動を発生させ、その
電気的振動を振動子５にて機械的振動に変え、振
動子５に連接されている固定ホーン６にて、前記
機械的振動を増巾させる。増巾された機械的振動
は、工具ホーン７ａ，７ｂにて接合される管状部
材の材質あるいは肉厚に適した振動に変換され、
この振動により被着部１１の全周面を加熱溶着す
る。この振動の振動数は、管状部材により異なる
が、20KHz前後の超音波域の振動を使用するもの
とする。溶着完了後、該工具ホーンを脱着して、
本発明の溶着方法を完了する。
工具ホーン７ａ，７ｂの形状は、特に限定する
ものではないが、発明者の実験によれば、二つの
工具ホーン７ａ，７ｂの分割Ｐ１の位置は、管状
部材の径の中心Ｐ２より若干、分割の方向へ偏心
させたほうが、均一な溶着強度が得られることが
わかつた。
被溶着部材の材質は合成樹脂である以外特に限
定されるものではないが、特に本発明においては
超音波振動を内部に吸収しやすい、即ち溶着が一
般的に困難な比較的軟質の低密度ポリエチレン、
軟質ポリ塩化ビニル、半硬質ポリ塩化ビニル及び
ポリエステル系エラストマー、ポリウレタン系エ
ラストマー、EPDM等の各種エラストマー的性
質を有する合成樹脂を溶着するのに好適である。
なお、エラストマー的性質とはシヨアA30〜99
（ASTM，Ｄ−2240）の硬度のものをいう。
被溶着部材の形状は、一方が中空体、筒体等の
管状であればよく、他部材は実施例のように管状
でなくともよく、中実状、棒状の形状であつても
よい。
工具ホーンの数は、上記実施例では、２個であ
るが、２個に限定されることなく、例へば、第４
図に示す如く、４個の工具ホーン１７ａ，１７
ｂ，１７ｃ，１７ｄにしてもよく、あるいはそれ
以上というように２個以上の複数個であればよ
い。又高周波発振機の数も工具ホーンの数に応じ
て設ける必要はなく、例へば一つの高周波発振機
より電気的振動を各振動子に与えるという機構も
可能である。
本発明の溶着方法によれば、複数個の工具ホー
ンから超音波振動が一度に与えられるので、従来
この種の超音波溶着方法に必要であつた数度に分
けて両部材を回転させて溶着するという複数の接
合工程を一度にできるという利点を有するばかり
でなく、溶着強度も従来のように数度に分けた溶
着の部分と他の溶着の部分の境界において溶着強
度の劣化が生じることもなく全周面均一に溶着す
ることができる。
【図面の簡単な説明】
第１図は本発明の溶着方法を適用する製品の一
実施例を示すマンセツターの斜視図、第２図は、
本発明の一実施例に係る装置の概略正面図、第３
図は第１図の工具ホーン部分の拡大断面図、第４
図は、他の実施例に係る装置の工具ホーン部分の
拡大断面図、第５図は従来の溶着方法を示す工具
ホーン部分の拡大断面図である。 １……マンセツター、２……大口径管状部材、
３……小口径管状部材、４……高周波発振機。

Claims (1)

    【特許請求の範囲】
  1. １ 管状合成樹脂部材の内部に他の部材を挿入
    し、両部材が重なり合つた部分の周面を複数個の
    ホーンで包囲し、該ホーンに超音波振動を加えて
    両部材を溶着することを特徴とする合成樹脂部材
    の溶着方法。
JP58054507A 1983-03-30 1983-03-30 合成樹脂部材の溶着方法 Granted JPS59178215A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58054507A JPS59178215A (ja) 1983-03-30 1983-03-30 合成樹脂部材の溶着方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58054507A JPS59178215A (ja) 1983-03-30 1983-03-30 合成樹脂部材の溶着方法

Publications (2)

Publication Number Publication Date
JPS59178215A JPS59178215A (ja) 1984-10-09
JPH0356172B2 true JPH0356172B2 (ja) 1991-08-27

Family

ID=12972548

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58054507A Granted JPS59178215A (ja) 1983-03-30 1983-03-30 合成樹脂部材の溶着方法

Country Status (1)

Country Link
JP (1) JPS59178215A (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007253177A (ja) * 2006-03-22 2007-10-04 Denso Corp 超音波接合方法、超音波接合装置および超音波接合された接合管
DE102007015167A1 (de) * 2007-03-27 2008-10-02 Rehau Ag + Co. Stützwendel
EP2263860A1 (en) * 2009-06-17 2010-12-22 3L-Ludvigsen A/S Ultrasonic sealing jaw and method for ultrasonic sealing
DE102013104227A1 (de) 2013-04-25 2014-11-13 Herrmann Ultraschalltechnik Gmbh & Co. Kg Ultraschallschweißvorrichtung mit mehreren Sonotroden
ES2711084T3 (es) * 2015-07-15 2019-04-30 Mespack S L Máquina envasadora automática horizontal
DE102017107151A1 (de) * 2017-04-03 2018-10-04 Herrmann Ultraschalltechnik Gmbh & Co. Kg Ultraschallbearbeitungsmaschine mit zwei Sonotroden und Verfahren zum Betreiben einer solchen

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