JPH0820071A - 超音波溶着装置 - Google Patents

超音波溶着装置

Info

Publication number
JPH0820071A
JPH0820071A JP18766494A JP18766494A JPH0820071A JP H0820071 A JPH0820071 A JP H0820071A JP 18766494 A JP18766494 A JP 18766494A JP 18766494 A JP18766494 A JP 18766494A JP H0820071 A JPH0820071 A JP H0820071A
Authority
JP
Japan
Prior art keywords
vibration
plastic
welded
welding
torsional
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
JP18766494A
Other languages
English (en)
Inventor
Kiyoshi Shinoda
清 篠田
Yoneo Tsuda
米雄 津田
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP18766494A priority Critical patent/JPH0820071A/ja
Publication of JPH0820071A publication Critical patent/JPH0820071A/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
    • 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
    • B29C65/06—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using friction, e.g. spin welding
    • B29C65/0609—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using friction, e.g. spin welding characterised by the movement of the parts to be joined
    • B29C65/0627—Angular, i.e. torsional
    • 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
    • B29C65/081—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations having a component of vibration not perpendicular to the welding surface
    • B29C65/082—Angular, i.e. torsional ultrasonic 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
    • B29C66/01—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
    • 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
    • B29C66/74—Joining plastics material to non-plastics material
    • B29C66/742—Joining plastics material to non-plastics material to metals or their alloys
    • 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
    • B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
    • B29C66/822—Transmission mechanisms
    • B29C66/8221—Scissor or lever mechanisms, i.e. involving a pivot point
    • 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
    • B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
    • B29C66/822—Transmission mechanisms
    • B29C66/8227—Transmission mechanisms using springs
    • 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
    • B29C66/8324—Joining or pressing tools pivoting around 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
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/84—Specific machine types or machines suitable for specific applications
    • B29C66/861—Hand-held tools
    • B29C66/8614—Tongs, pincers or scissors
    • 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
    • B29C65/64—Joining a non-plastics element to a plastics element, e.g. by force
    • B29C65/645—Joining a non-plastics element to a plastics element, e.g. by force using friction or 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
    • 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

Abstract

(57)【要約】 【目的】 小型で携帯も出来るプラスチック溶着装置で
完全に溶着ができ、操作の簡単な効率のよいプラスチッ
ク溶着機を提供する。 【構成】 ケース本体１と発信機９を接続コード８でつ
なぎ、ケース本体１の内部にたわみ振動体２を収納した
プラスチック溶着装置でねじれ棒５と受台６に取り付け
たアンビル４の間にプラスチックを挿入してプラスチッ
クを溶着する。

Description

【発明の詳細な説明】
【０００１】
【産業上の利用分野】本発明はプラスチックや金属等を
溶着する溶着装置に関する。
【０００２】
【従来の技術】超音波による溶着は圧電振動素子に電圧
をかけ、縦振動を発生させその振動を振動ホーンに伝
え、この振動振巾を増幅して被溶着物に振動を伝え被溶
着物はこの振動を受けて、自己振動し加圧されることに
より被溶着物接触面で内部応力により熱が発生しこの熱
で被溶着物は溶着される。超音波によるプラスチック等
の溶着装置は縦振動を用いることが殆どである。縦振動
を用いて溶着した場合、音が発生してうるさい欠点があ
る。また振動が上下振動のため駆動時間中振動ホーンと
被加工物の接触加圧状態は保持できず接合部に超音波エ
ネルギーを間隙的な供給となるため作業効率が極めて低
い。
【０００３】縦振動の欠点を解決する方法として、近
年、ねじり振動を活用したものが利用されはじめている
が、ねじり振動用溶着装置の製作はむづかしく手軽に入
手できないし高価なので、なかなか利用することができ
ない。
【０００４】
【発明が解決しようとしている課題】ねじり振動による
溶着は接触面か均一化して完全な溶着が期待できるた
め、利用されはじたが、振動子駆動素子は複雑な形状と
なるため製作がむずかしく、更に電気音響変換器の内部
振動の動作は単純なものでなく複合振動となり、しかも
大出力を必要とするため、組立て調整が難しく高価なも
のとなっている。よって簡単に縦振動を活用し、ねじり
振動を発生させる装置を作ることを目的とする。
【０００５】
【課題を解決するための手段】そこで電気音響変換素子
を組み込んだたわみ振動をする振動体において回転変位
が最大である地点にたわみ振動と同一共振周波数で、ね
じり方向に振動をするねじれ棒を接合し、ねじり振動を
得る。
【０００６】
【作用】たわみ振動をおこす振動の駆動は振動駆動効率
の良い位置に、圧電素子を挿入する。駆動用振動子は２
分割に、切断したものを振動体に組込み、圧電素子の分
極方向は同位置のものは互いに対抗させ、左右位置のも
のは左右で分極方向が逆になるようにする。したがって
左右の圧電素子は反対の動作をし、たわみ振動の駆動源
となり、たわみ振動を発生する。たわみ振動をする振動
体の回転変位の最大位置にたわみ振動と同一共振周波数
でねじり振動をするねじれ棒を接合する。たわみ振動が
発生し最大振巾のところにねじれ棒があり、この振巾が
ねじれ棒に伝わると、たわみ振動はねじり振動に変換し
ねじれ棒はねじられる。ねじり振動は周波数と同数交互
にくり返される。このねじり振動を被溶着物に押しつけ
ることにより被溶着物接合面は溶着する。
【０００７】
【実施例】本発明の一実施例に基づいて説明する。図１
は本発明の装置で、小型超音波溶着機の構成を説明する
もので、図２は上記装置のねじり振動を発生主要部の詳
細図であり、たわみ振動からねじり振動が発生する原理
説明図である。
【０００８】図１でこの装置の構成と動作を説明する。
ねじれ棒５とアンビル４の間に溶着するプラスチック１
３を差し込み、ケース本体１と受台６をにぎりプラスチ
ック１３を加圧すると、スプリング７の圧縮によりスイ
ッチ１１とスイッチ開閉器１０で電源がＯＮされ、発振
器９から接続コード８を通して高周波電流が供給され
る。高周波電流は圧電素子３に供給され、圧電素子３は
伸縮運動力をおこす。この伸縮運動力は周波数と同数の
伸縮力で、たわみ振動体２はたわみ振動をおこす。この
たわみ振動は回転変位の最大位置に直角に取り付けられ
ているねじれ棒５にねじり振動力を伝達する。
【０００９】ねじれ棒５はたわみ振動により最大振巾点
でねじれ振動を励振される。このねじり振動がねじれ棒
５とアンビル４の間のプラスチック１３の接触面を応力
によって発熱し瞬時に溶融して溶着する。たわみ振動体
２とねじり棒５はフランジにゴムバッキン１２をとりつ
けケース本体１にとりつけられている。フランジ部分は
振動のない部分に設けられているので、ケース本体１に
振動は伝わらない。従って発熱もなく動力の損失もな
い。
【００１０】
【発明の効果】本発明の超音波溶着装置は、上記説明し
た如く縦振動をねじり振動に変換するので、始めからね
じり振動を作るのと異なり製造が容易である。縦振動を
使用して溶着するのと異なりねじり振動は常に平面的な
振動として伝達されるので溶着の不良がなく、効率がよ
く溶着時間も短縮出来、被溶着物の厚さにより振巾を変
える必要もない。更にねじり振動は縦振動と比べて叩い
て溶着するのではなく、被溶着物をねじることで溶着す
るので音がなく静かである。従って熱効率がよく経済的
な超音波溶着装置である。
【図面の簡単な説明】
【図１】本発明の超音波溶着装置の一実施例を示す概略
斜視図である。
【図２】本発明のねじり振動発生の構造を示す主要部の
断面図である。
【図３】本発明のねじり振動が発生する原理構造図であ
る。
【符号の説明】
１ ケース本体 ２ たわみ振動体 ３ 圧電素子 ４ アンビル ５ ねじれ棒 ６ 受台 ７ スプリング ８ 接続コード ９ 発振機 １０ スイッチ開閉器 １１ スイッチ １２ ゴムパッキン １３ プラスチック

Claims (1)

    【特許請求の範囲】
  1. 【請求項１】 超音波振動を利用してプラスチック
    や金属を溶着する装置において、圧電振動素子の縦振動
    を曲げ振動に変換し、更にねじり振動に変換する。曲
    げ、ねじり振動はともに共振とし、ねじり振動の一端で
    プラスチックや金属等を溶着するようにしたことを特徴
    とする溶着装置。
JP18766494A 1994-07-07 1994-07-07 超音波溶着装置 Pending JPH0820071A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18766494A JPH0820071A (ja) 1994-07-07 1994-07-07 超音波溶着装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18766494A JPH0820071A (ja) 1994-07-07 1994-07-07 超音波溶着装置

Publications (1)

Publication Number Publication Date
JPH0820071A true JPH0820071A (ja) 1996-01-23

Family

ID=16210021

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18766494A Pending JPH0820071A (ja) 1994-07-07 1994-07-07 超音波溶着装置

Country Status (1)

Country Link
JP (1) JPH0820071A (ja)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003011227A (ja) * 2002-06-04 2003-01-15 Suzuki Motor Corp 超音波ホッチキス
JP2010131847A (ja) * 2008-12-04 2010-06-17 San-Ai Industries Inc 超音波溶着機
JP2020023172A (ja) * 2018-07-27 2020-02-13 Ａｓｔｉ株式会社 超音波ホッチキスと超音波溶着方法
JP2020512939A (ja) * 2017-04-04 2020-04-30 クリック アンド ソッファ インダストリーズ、インク． 超音波溶接システムおよびその使用方法
CN111958982A (zh) * 2020-08-24 2020-11-20 重庆工商大学 一种具有防护结构的便携式手持超声波焊接机

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003011227A (ja) * 2002-06-04 2003-01-15 Suzuki Motor Corp 超音波ホッチキス
JP2010131847A (ja) * 2008-12-04 2010-06-17 San-Ai Industries Inc 超音波溶着機
JP2020512939A (ja) * 2017-04-04 2020-04-30 クリック アンド ソッファ インダストリーズ、インク． 超音波溶接システムおよびその使用方法
US11364565B2 (en) 2017-04-04 2022-06-21 Kulicke And Soffa Industries, Inc. Ultrasonic welding systems and methods of using the same
JP2020023172A (ja) * 2018-07-27 2020-02-13 Ａｓｔｉ株式会社 超音波ホッチキスと超音波溶着方法
CN111958982A (zh) * 2020-08-24 2020-11-20 重庆工商大学 一种具有防护结构的便携式手持超声波焊接机

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