JPS6253335B2 - - Google Patents

Info

Publication number
JPS6253335B2
JPS6253335B2 JP59012461A JP1246184A JPS6253335B2 JP S6253335 B2 JPS6253335 B2 JP S6253335B2 JP 59012461 A JP59012461 A JP 59012461A JP 1246184 A JP1246184 A JP 1246184A JP S6253335 B2 JPS6253335 B2 JP S6253335B2
Authority
JP
Japan
Prior art keywords
horn
drive
tool
tool horn
plastic film
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
JP59012461A
Other languages
English (en)
Other versions
JPS60155434A (ja
Inventor
Takashi Nakajima
Shigemasa Tsubone
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.)
Seidensha Electronics Co Ltd
Original Assignee
Seidensha Electronics Co Ltd
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 Seidensha Electronics Co Ltd filed Critical Seidensha Electronics Co Ltd
Priority to JP59012461A priority Critical patent/JPS60155434A/ja
Publication of JPS60155434A publication Critical patent/JPS60155434A/ja
Publication of JPS6253335B2 publication Critical patent/JPS6253335B2/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
    • 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
    • B29C66/834—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools moving with the parts to be joined
    • B29C66/8341—Roller, cylinder or drum types; Band or belt types; Ball types
    • B29C66/83411—Roller, cylinder or drum types
    • B29C66/83413—Roller, cylinder or drum types cooperating rollers, cylinders or drums
    • 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
    • B29C65/083—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations using a rotary sonotrode or a rotary anvil
    • B29C65/087—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations using a rotary sonotrode or a rotary anvil using both a rotary sonotrode and a rotary anvil
    • 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
    • B29C66/40—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
    • B29C66/43—Joining a relatively small portion of the surface of said 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
    • B29C66/70—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
    • B29C66/70—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
    • 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
    • B29C66/735—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 extensive physical properties of the parts to be joined
    • B29C66/7352—Thickness, e.g. very thin

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】 本発明は重ねられたプラスチツクシートに連続
して超音波振動により溶着線を形成するための装
置に関する。
従来、重ねられたプラスチツクシートに連続し
た溶着線を形成するには、第１図に示した装置が
使用されている。
この装置は、超音波発振機１と、超音波発振機
１で発生した超音波の電気振動エネルギーを機械
的振動エネルギーに変換する振動子２と、振動子
２に連結され振動子２の振動変位（振幅）を拡大
するための駆動ホーン（固定ホーン、ブースター
ホーンともいう）と、駆動ホーン３に接続され、
被加工物を加工するための工具ホーン４と、工具
ホーン４の被加工物と接する部分に設けられたチ
ツプ５と、チツプ５に対向し固定して配置された
受台９と、駆動ホーン３に設けられたフランジと
結合され、振動子２と駆動ホーン３の一部を囲み
これらを加圧装置に結合するためのケース６とか
らなつており、チツプ５と受台９との間にプラス
チツクフイルム１０をはさみ込み、工具ホーン４
によりチツプ５を介してプラスチツクフイルム１
０に超音波振動を加え、受台９に向つて加圧しな
がら、巻取装置７によつて供給装置８から、プラ
スチツクフイルム１０を巻取装置７の方に移動さ
せて、プラスチツクフイルム１０に連続した溶着
線を形成するようになつている。第２図ａ，ｂ
に、チツプ５の正面及び側面を示す。チツプ５及
び受台９と、プラスチツクフイルム１０との間の
摩擦は、超音波振動を加えると、加えないときの
１／100程度となるので、チツプ５及び受台９を
ローラー状にして回転させなくても、プラスチツ
クフイルム１０を滑らかに移動させることができ
る。しかしこの装置によつて溶着できるプラスチ
ツクフイルムの厚さは一枚の厚さで0.1mmまでで
あつて、これ以上の厚さのものは連続的に溶着す
ることができない。その理由は厚さ0.1mm以上の
プラスチツクフイルムになると、第１図、第２図
に示したチツプ５が、工具ホーン４が縮んだ時、
フイルム面から完全に離れた状態にならなくなる
ため、プラスチツクフイルム１０とチツプ５との
間の摩擦が減少しなくなつて加工スピードが低下
し、さらに、厚さが増すとチツプ５がフイルム１
０に埋め込まれた状態となつて不動となり溶着で
きなくなるからである。
本発明は、一枚の厚さが0.1mm以上のプラスチ
ツクフイルムも連続的に溶着できる超音波プラス
チツク連続溶着装置を供することを目的とする。
本発明はこの目的を達するために、平らな一面
の中心に直角に駆動ホーンを接続し駆動装置によ
り駆動ホーンの中心線を軸として回転しうるよう
に設けられ、駆動ホーンにより生ぜしめられたた
わみ振動のループ位置かその付近の直径に形成さ
れた円板からなる工具ホーンと、工具ホーンと円
筒面が互に近接して対向するように配置され工具
ホーンと同周速で駆動装置により回転しうるよう
に設けられた円板状受台とを備えた超音波プラス
チツク連続溶着装置を構成したことにある。
第３図は本発明装置の要部斜視図であつて、１
１は円板からなる工具ホーンで、工具ホーン１１
の平らな一面の中心に直角に駆動ホーン３が接続
されている。この工具ホーン１１の直径は、駆動
ホーン３が縦振動した時、駆動ホーン３を中心と
するたわみ振動のループ位置かその付近となるよ
うに形成されている。工具ホーン１１と駆動ホー
ン３は、駆動ホーン３の中心線を軸として図示さ
れていない駆動装置により一体に回転しうるよう
に設けられている。１２は円板状受台で、工具ホ
ーン１１と円筒面が互に近接し対向するように配
置され、工具ホーン１１と同周速で図示されてい
ない駆動装置により回転しうるように設けられて
いる。第３図に示すようにプラスチツクフイルム
１０を円板状受台１２と工具ホーン１１とで挾
み、駆動ホーン３を中心線に沿つて縦振動させる
と、工具ホーン１１は、駆動ホーン３を中心とす
る円環状のたわみ振動と、フイルム面を叩く、叩
き振動を行ない、外周の円筒面は、プラスチツク
フイルム１０に対してこすり振動を行ない、プラ
スチツクフイルム１０を溶融し上下二枚を互に融
着させる。そこで工具ホーン１１と円板状受台１
２の円周面が同周速となるような速度でプラスチ
ツクフイルム１０を送出するように回転させるこ
とにより、プラスチツクフイルム１０に連続して
溶着線を形成できる。
本発明では円板状の工具ホーン１１によつて、
フイルム面に第１図のチツプ５のような叩き振動
を与えうるようにしたことにより、フイルム表面
と同時にフイルム内部まで加熱出来るので、従来
の超音波連続溶着装置では溶着できなかつた厚い
シートの連続溶着を従来より早い速度で溶着する
ことが可能となる。工具ホーン１１の外径を、工
具ホーン１１に生ぜしめられるたわみ振動のルー
プ（腹）位置と一致するようにしたときが最も大
きな振幅が得られ、駆動ホーン３の縦振動を最も
効率的に利用できるが、たわみ振動のノードに近
ずくほど振幅が小さくなるので、塩化ビニールシ
ートのように急激に温度上昇させると、炭化、発
泡するようなシートに対して振動のループ位置か
ら若干内外にずれた位置になるように工具ホーン
１１の外径を適当に選定することにより、表面よ
り徐々に溶融でき、溶着スピードはループ位置に
外径を選定した場合よりも遅くなるが、炭化、発
泡を避けて連続溶着できる。
なお工具ホーン１１のたわみ振動のループ位置
は、工具ホーン１１の厚さと、駆動ホーン３に与
える縦振動の周波数を選定することにより変更で
きる。
【図面の簡単な説明】
第１図は従来のプラスチツクフイルムの超音波
連続溶着装置の説明図、第２図ａ，ｂは第１図の
チツプ部分の正面図及び側面図、第３図は本発明
装置の要部斜視図である。 １…超音波発振機、２…振動子、３…駆動ホー
ン、４…工具ホーン、５…チツプ、６…ケース、
７…巻取装置、８…供給装置、９…受台、１０…
プラスチツクフイルム、１１…工具ホーン、１２
…円板状受台。

Claims (1)

    【特許請求の範囲】
  1. １ 平らな一面の中心に直角に駆動ホーンを接続
    し駆動装置により駆動ホーンの中心線を軸として
    回転しうるように設けられ駆動ホーンにより生ぜ
    しめられたたわみ振動のループ位置がその付近の
    直径に形成された円板からなる工具ホーンと、工
    具ホーンと円筒面が互に近接して対向するように
    配置され工具ホーンと同周速で駆動装置により回
    転しうるように設けられた円板状受台とを備えた
    ことを特徴とする超音波プラスチツク連続溶着装
    置。
JP59012461A 1984-01-25 1984-01-25 超音波プラスチツク連続溶着装置 Granted JPS60155434A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59012461A JPS60155434A (ja) 1984-01-25 1984-01-25 超音波プラスチツク連続溶着装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59012461A JPS60155434A (ja) 1984-01-25 1984-01-25 超音波プラスチツク連続溶着装置

Publications (2)

Publication Number Publication Date
JPS60155434A JPS60155434A (ja) 1985-08-15
JPS6253335B2 true JPS6253335B2 (ja) 1987-11-10

Family

ID=11805990

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59012461A Granted JPS60155434A (ja) 1984-01-25 1984-01-25 超音波プラスチツク連続溶着装置

Country Status (1)

Country Link
JP (1) JPS60155434A (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6799867B1 (ja) * 2019-08-22 2020-12-16 プロソニック株式会社 超音波ロールシーム装置
CN114393839B (zh) * 2022-01-14 2024-03-26 台州至诚自动化科技有限公司 光片棉带裁切焊接机构

Also Published As

Publication number Publication date
JPS60155434A (ja) 1985-08-15

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