JPH1110737A - Ultrasonic welding apparatus - Google Patents

Ultrasonic welding apparatus

Info

Publication number
JPH1110737A
JPH1110737A JP9166002A JP16600297A JPH1110737A JP H1110737 A JPH1110737 A JP H1110737A JP 9166002 A JP9166002 A JP 9166002A JP 16600297 A JP16600297 A JP 16600297A JP H1110737 A JPH1110737 A JP H1110737A
Authority
JP
Japan
Prior art keywords
vibrator
ultrasonic welding
unit
ultrasonic
support rail
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.)
Granted
Application number
JP9166002A
Other languages
Japanese (ja)
Other versions
JP3314864B2 (en
Inventor
Toshiki Mori
俊樹 森
Akira Suzuki
章 鈴木
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.)
Kasai Kogyo Co Ltd
Original Assignee
Kasai Kogyo 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 Kasai Kogyo Co Ltd filed Critical Kasai Kogyo Co Ltd
Priority to JP16600297A priority Critical patent/JP3314864B2/en
Publication of JPH1110737A publication Critical patent/JPH1110737A/en
Application granted granted Critical
Publication of JP3314864B2 publication Critical patent/JP3314864B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B29C66/832—Reciprocating joining or pressing tools
    • B29C66/8322—Joining or pressing tools 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
    • 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
    • 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
    • B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/128—Stepped joint cross-sections
    • B29C66/1282—Stepped joint cross-sections comprising at least one overlap joint-segment
    • 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
    • B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/128—Stepped joint cross-sections
    • B29C66/1284—Stepped joint cross-sections comprising at least one butt joint-segment
    • B29C66/12841—Stepped joint cross-sections comprising at least one butt joint-segment comprising at least two butt joint-segments
    • 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
    • B29C66/14—Particular design of joint configurations particular design of the joint cross-sections the joint having the same thickness as the thickness 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
    • B29C66/40—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
    • B29C66/433—Casing-in, i.e. enclosing an element between two sheets by an outlined seam
    • 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
    • B29C66/8167—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
    • 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
    • B29C66/824—Actuating mechanisms
    • B29C66/8242—Pneumatic or hydraulic drives
    • 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
    • B29L2031/00—Other particular articles
    • B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
    • B29L2031/3005—Body finishings
    • B29L2031/3035—Sun visors

Landscapes

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

Abstract

PROBLEM TO BE SOLVED: To prevent welding failure by simplifying maintenance such as the replacement work of an ultrasonic welding horn and securing an oscillator and an ultrasonic welding horn to the side of a press machine accurately in an ultrasonic welding apparatus for weld joining resin parts. SOLUTION: An oscillator 31 and an ultrasonic horn 32 are incorporated previously, and an oscillator unit 30 cover supported by a case 33 is slide mounted on the inner surface of a support rail 21 of a press table at a touch so as to prevent the positional displacement thereof in front and rear and left and right directions by a ball plunger mechanism or the like as well as the positional displacement in the vertical direction in abutment of respective inclined surfaces 26, 36 between the inner surface of the support rail 21 and the outer surface of the case 33, thereby simplifying a maintenance work of the ultrasonic horn 32 and making an ultrasonic welding work possible accurately.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【０００１】[0001]

【発明の属する技術分野】この発明は、樹脂部品同士の
超音波溶着接合に使用する超音波溶着装置に関するもの
で、特に、超音波ホーンを振動子に組み付けた振動子ユ
ニットをプレス機側にワンタッチで簡単、かつ精度良く
装着でき、溶着不良等を確実に防止できる超音波溶着装
置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an ultrasonic welding apparatus used for ultrasonic welding of resin parts, and more particularly, to a press unit having a vibrator unit in which an ultrasonic horn is assembled to a vibrator. The present invention relates to an ultrasonic welding device that can be easily and accurately mounted, and can reliably prevent welding defects and the like.

【０００２】[0002]

【従来の技術】一般に、樹脂部品同士の接合方法とし
て、接着剤を使用する接着方法では、有機溶媒の揮発
等、作業環境上の問題があり、かつ接着特性の悪い樹脂
部品同士の接合には不向きであり、また、高周波溶着方
法では、ポリオレフィン系樹脂等、高周波ウエルダ特性
の劣る材質では接着が困難であるなどの傾向がある。そ
の点、超音波溶着加工方法は、良好な作業環境が確保で
きるとともに、樹脂材料に制約を受けることがないなど
の利点がある。2. Description of the Related Art In general, a bonding method using an adhesive as a method for bonding resin parts has problems in working environment such as volatilization of an organic solvent and has a problem in bonding resin parts having poor adhesive characteristics. In addition, the high frequency welding method tends to be difficult to bond with materials having poor high frequency welder characteristics, such as a polyolefin resin. In that respect, the ultrasonic welding method has advantages that a favorable working environment can be ensured and that the resin material is not restricted.

【０００３】例えば、自動車用サンバイザの補助ノブを
溶着固定する際に、この方法が使用されている。すなわ
ち、図４に示すように、サンバイザ１は回動用シャフト
２により回動可能に支承されているが、回動用シャフト
２の反対側の上縁部には車体側のホルダ（図示せず）に
係合する補助ノブ３が設置されており、この補助ノブ３
は図５に示すように、サンバイザ１内に内装されている
ワイヤフレーム４を挾み込むように半割円筒状の分割体
３ａ，３ｂを超音波ホーン５により両分割体３ａ，３ｂ
を超音波溶着接合して形成されている。[0003] For example, this method is used for welding and fixing an auxiliary knob of a sun visor for an automobile. That is, as shown in FIG. 4, the sun visor 1 is rotatably supported by the rotation shaft 2, but is provided at the upper edge of the opposite side of the rotation shaft 2 with a holder (not shown) on the vehicle body side. An auxiliary knob 3 to be engaged is provided.
As shown in FIG. 5, a half-cylindrical divided body 3a, 3b is sandwiched by an ultrasonic horn 5 so as to sandwich a wire frame 4 housed in the sun visor 1.
Are formed by ultrasonic welding.

【０００４】そして、超音波ホーン５は、図６に示すよ
うに、振動子ケース６に内蔵されている振動子６ａに捩
込み式に固定されており、かつ振動子ケース６は、プレ
ス機のシリンダ７のピストンロッド７ａに固定されたサ
ポートプレート８ａと押えプレート８ｂとの間に振動子
ケース６のフランジ６ｂを挾み込んで捩子９により捩子
止め固定され、振動子ケース６のフランジ６ｂの表裏面
側には防振ゴム６ｃが介装されている。As shown in FIG. 6, the ultrasonic horn 5 is fixed to a vibrator 6a incorporated in a vibrator case 6 in a screw-in manner, and the vibrator case 6 is mounted on a press machine. The flange 6b of the vibrator case 6 is sandwiched between the support plate 8a fixed to the piston rod 7a of the cylinder 7 and the holding plate 8b, and is screwed and fixed by the screw 9, and the flange 6b of the vibrator case 6 A vibration isolating rubber 6c is interposed on the front and back sides of the.

【０００５】[0005]

【発明が解決しようとする課題】このように、従来の超
音波溶着装置においては、プレス機側に固定されている
振動子６ａに対して超音波ホーン５を捩込み式に固定す
るという構成であるため、超音波ホーン５の捩込み量に
バラツキが生じた場合、図７に示すように、超音波ホー
ン５が適正位置に対してθの角度ずれて取り付けられる
ため、再現性を確保することが難しく、超音波溶着時に
溶着不良が発生するという不具合がある。As described above, in the conventional ultrasonic welding apparatus, the ultrasonic horn 5 is fixed to the vibrator 6a fixed to the press machine side by screwing. For this reason, when the amount of screwing of the ultrasonic horn 5 varies, as shown in FIG. 7, the ultrasonic horn 5 is attached at an angle of θ with respect to a proper position, so that reproducibility is ensured. However, there is a problem that welding failure occurs during ultrasonic welding.

【０００６】また、振動子ケース６のフランジ６ｂに設
ける捩子孔６ｄは捩子９との間に遊び（図６中符号ｄで
示す）が設定されるため、この遊びのために前後左右方
向に振動子ケース６がずれたり、また、捩子９の締付力
のバラツキにより傾きが生じ易く、樹脂部品同士を精度
良く溶着固定することができず、バリが多量に発生した
り、溶着不良等の原因となる。Further, a play (indicated by reference numeral d in FIG. 6) is set between the screw hole 6d provided in the flange 6b of the vibrator case 6 and the screw 9, so that the play is performed in the front-rear and left-right directions. The vibrator case 6 is displaced, and the inclination is likely to occur due to the variation in the tightening force of the screw 9, so that the resin parts cannot be welded and fixed with high precision, and a large amount of burrs are generated or welding failure occurs. Etc.

【０００７】従って、超音波ホーン５の再現性を確保
し、かつ振動子ケース６の適正姿勢を維持するために、
超音波溶着装置は、超音波ホーン５，振動子ケース６を
取り替える毎に繁雑なチューニング作業を必要とし、メ
ンテナンスに多くの時間を費やすという問題点があっ
た。Accordingly, in order to ensure the reproducibility of the ultrasonic horn 5 and maintain the proper posture of the vibrator case 6,
The ultrasonic welding device requires a complicated tuning operation every time the ultrasonic horn 5 and the transducer case 6 are replaced, and has a problem that much time is required for maintenance.

【０００８】この発明は、このような事情に鑑みてなさ
れたもので、樹脂部品同士を超音波溶着接合する超音波
溶着装置において、振動子ケース，超音波ホーンの交換
が簡単に行なえ、かつプレス機側に取り付けられる振動
子は前後左右及び上下方向にずれることがなく、精度良
く取り付けることができ、溶着不良のない超音波溶着加
工が行なえる超音波溶着装置を提供することを目的とし
ている。The present invention has been made in view of such circumstances, and in an ultrasonic welding apparatus for ultrasonically welding resin parts to each other, the exchanging of a vibrator case and an ultrasonic horn can be easily performed, and a press is provided. It is an object of the present invention to provide an ultrasonic welding apparatus which can be mounted with high precision without vibrating the vibrator attached to the machine side in the front-rear, left-right and up-down directions, and which can perform ultrasonic welding processing without welding defects.

【０００９】[0009]

【課題を解決するための手段】上記目的を達成するため
に、本発明は、支持盤上のワーク台にセットされたワー
クに対して、プレス機のシリンダに設けたプレス架台に
連結した振動子，超音波ホーンを降下させ、超音波ホー
ンをワークに押し当て、振動子からの振動によりワーク
を溶着する超音波溶着装置において、前記振動子と超音
波ホーンとを予め組み込み、振動子を振動子ケース内に
収容した振動子ユニットを、プレス架台のサポートレー
ルにスライド装着するとともに、このサポートレールに
設けたボールプランジャー機構により振動子ユニットの
前後左右方向の位置ズレを規制したことを特徴とする。In order to achieve the above object, the present invention relates to a vibrator connected to a press stand provided on a cylinder of a press machine for a work set on a work stand on a support board. The ultrasonic horn is lowered, the ultrasonic horn is pressed against the work, and the work is welded by the vibration from the vibrator. In the ultrasonic welding apparatus, the vibrator and the ultrasonic horn are pre-installed, and the vibrator is mounted on the vibrator. The vibrator unit housed in the case is slid onto the support rail of the press stand, and the displacement of the vibrator unit in the front, rear, left and right directions is regulated by a ball plunger mechanism provided on the support rail. .

【００１０】ここで、超音波溶着装置は、支持盤上にワ
ークをセットするワーク台が取り付けられており、支持
盤上には支柱が立設され、この支柱に対してシリンダが
固定されている。支柱に対してシリンダは上下位置調整
可能に取り付けられており、シリンダのピストンロッド
にプレス架台が取り付けられ、プレス架台に装着された
振動子ユニットは、シリンダの上下動作により所定スト
ローク上下動作する。尚、シリンダやプレス架台の外側
を覆うようにカバーが設置されている。[0010] In the ultrasonic welding apparatus, a work table on which a work is set is mounted on a support board, and a support is erected on the support board, and a cylinder is fixed to the support. . The cylinder is attached to the column so that the vertical position can be adjusted. A press gantry is attached to the piston rod of the cylinder, and the vibrator unit attached to the press gantry moves up and down a predetermined stroke by the vertical movement of the cylinder. Note that a cover is provided so as to cover the outside of the cylinder and the press stand.

【００１１】更に、振動子ユニットは、振動子と超音波
ホーンとをボルト締着等で予め組み込み、振動子を振動
ケース内に収容した構成であり、プレス架台に対してワ
ンタッチで装着できる構成である。すなわち、プレス架
台には振動子ユニットのフランジ両側を支持する一対の
サポートレールが設けられており、このサポートレール
の対向する内面に設けた溝部に沿って振動子ユニットを
スライド装着するとともに、適正位置で振動子ユニット
を位置決めし、前後左右方向にずれることがないように
ロック機構が配設されている。Further, the vibrator unit has a structure in which the vibrator and the ultrasonic horn are previously assembled by bolting or the like, and the vibrator is housed in a vibrating case. is there. That is, the press frame is provided with a pair of support rails that support both sides of the flange of the vibrator unit. The vibrator unit is slid along the grooves provided on the inner surfaces of the support rails facing each other, and is positioned at an appropriate position. A lock mechanism is provided so that the vibrator unit is positioned in the direction of the arrow and does not shift in the front, rear, left and right directions.

【００１２】ロック機構の一形態としてのボールプラン
ジャー機構は、付勢バネにより突出方向にバネ付勢され
たボールがサポートレールの溝部内面に埋設されてお
り、振動子ユニットのフランジ下面対応箇所には円錐状
係合部が形成され、この円錐状係合部内にボールが入り
込み、バネ付勢されることにより、前後左右方向のずれ
を規制し、振動子ユニットをプレス架台の適正位置でロ
ックする。In a ball plunger mechanism as one form of a lock mechanism, a ball urged in a projecting direction by an urging spring is buried in an inner surface of a groove of a support rail, and is provided at a position corresponding to a lower surface of a flange of a vibrator unit. Is formed with a conical engagement portion, and a ball enters the conical engagement portion and is biased by a spring, thereby restricting displacement in the front-rear and left-right directions, and locking the vibrator unit at an appropriate position on the press stand. .

【００１３】更に、プレス架台に対して振動子ユニット
の上下方向のグラツキをなくすために、振動子ユニット
のスライド方向に沿ってサポートレールの溝部内面と振
動子ユニットのフランジ上面とが傾斜面で当接し、傾斜
面同士の突き当て作用により振動子ユニットの上下方向
のずれを規制できる。また、サポートレール内に振動子
ユニットをスライド装着した後は、サポートレールの先
端側に設けた脱落防止片により振動子ユニットの脱落が
防止される。Further, in order to eliminate the vertical fluctuation of the vibrator unit with respect to the press stand, the inner surface of the groove of the support rail and the upper surface of the flange of the vibrator unit are inclined along the sliding direction of the vibrator unit. The displacement of the vibrator unit in the vertical direction can be restricted by the abutting action of the contacting and inclined surfaces. Further, after the transducer unit is slidably mounted in the support rail, the transducer unit is prevented from falling off by the drop-off preventing piece provided on the tip side of the support rail.

【００１４】以上の構成から明らかなように、本発明に
係る超音波溶着装置は、振動子ユニットをプレス架台の
サポートレールに沿ってスライド装着すれば、適正位置
で振動子ケース下面の円錐状係合部内にサポートレール
に設けたボールプランジャーのボールが嵌まり込み、こ
の位置で振動子ユニットがロックされ、前後左右方向に
位置ズレが生じることがない。As is apparent from the above configuration, in the ultrasonic welding apparatus according to the present invention, if the vibrator unit is slid and mounted along the support rail of the press stand, the conical coupling on the lower surface of the vibrator case is at an appropriate position. The ball of the ball plunger provided on the support rail fits into the joint portion, the vibrator unit is locked at this position, and there is no positional displacement in the front, rear, left and right directions.

【００１５】更に、バネにより押圧された脱落防止片が
設置されていれば、多少の振動や衝撃があってもサポー
トレールに装着された振動子ユニットが前方側にずれ込
んだりすることがない。また、サポートレールの内面と
振動子ユニットのケース外面との間はスライド方向に沿
ってそれぞれ当接する傾斜面同士であるため、上下方向
の位置ズレもない。Furthermore, if the falling-off preventing piece pressed by the spring is provided, the vibrator unit mounted on the support rail will not be displaced forward even if there is some vibration or impact. In addition, since there is a slope between the inner surface of the support rail and the outer surface of the case of the vibrator unit in contact with each other in the sliding direction, there is no vertical displacement.

【００１６】従って、従来の振動子部分の交換作業に比
べ、工具を必要とすることなくワンタッチで振動子ユニ
ットをプレス機側に装着することができる。Accordingly, the vibrator unit can be mounted on the press machine with one touch without requiring any tools, as compared with the conventional vibrator replacement operation.

【００１７】また、超音波ホーンを振動子に対して予め
組み込む構成としたため、超音波ホーンの再現性を確保
できるとともに、プレス架台に取り付けた振動子ユニッ
トは、前後左右方向，上下方向にずれることがなく、精
度良く取り付けることが可能となる。Further, since the ultrasonic horn is incorporated in the vibrator in advance, the reproducibility of the ultrasonic horn can be ensured, and the vibrator unit mounted on the press stand can be shifted in the front-rear, left-right, and vertical directions. And can be mounted with high accuracy.

【００１８】[0018]

【発明の実施の形態】以下、本発明に係る超音波溶着装
置の実施形態について、添付図面を参照しながら詳細に
説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the ultrasonic welding apparatus according to the present invention will be described below in detail with reference to the accompanying drawings.

【００１９】図１は超音波溶着装置の全体構成を示す側
面図、図２は本発明に係る超音波溶着装置における振動
子ユニットの取付構造を示す一部破断正面図、図３は同
振動子ユニットの取付構造を示す平面図である。FIG. 1 is a side view showing the entire structure of the ultrasonic welding apparatus, FIG. 2 is a partially cutaway front view showing a mounting structure of a transducer unit in the ultrasonic welding apparatus according to the present invention, and FIG. It is a top view which shows the mounting structure of a unit.

【００２０】図１において、超音波溶着装置１０の全体
構成について説明する。超音波溶着装置１０は、支持盤
１１上に支柱１２が立設形成されており、支持盤１１上
にはワークＷをセットするワーク台１３が載置されてい
るとともに、支柱１２にはシリンダ１４が固定され、こ
のシリンダ１４のピストンロッド１５にプレス架台２０
が連結され、このプレス架台２０に振動子ユニット３０
が取り付けられ、シリンダ１４の動作により振動子ユニ
ット３０は所定ストローク上下動作を行なう。尚、シリ
ンダ１４のプレス架台２０を覆うようにカバー１６が設
けられている。Referring to FIG. 1, the overall structure of the ultrasonic welding apparatus 10 will be described. In the ultrasonic welding apparatus 10, a support 12 is formed upright on a support board 11, a work table 13 on which a work W is set is placed on the support board 11, and a cylinder 14 is mounted on the support 12. Is fixed, and a press stand 20 is attached to the piston rod 15 of the cylinder 14.
Are connected, and the vibrator unit 30 is
The vibrator unit 30 moves up and down a predetermined stroke by the operation of the cylinder 14. The cover 16 is provided so as to cover the press gantry 20 of the cylinder 14.

【００２１】ところで、本発明に係る超音波溶着装置１
０に設置される振動子ユニット３０としては、振動子３
１と、捩子により振動子３１に捩子込み固着される超音
波ホーン３２と、振動子３１を覆い、振動子３１及び超
音波溶着ホーン３２を支持する振動子ケース３３とから
構成されており、この振動子ユニット３０をワンタッチ
でプレス架台２０側に取り付けることができ、かつ超音
波ホーン３２の再現性があり、面倒なチューニングに伴
なうメンテナンスが著しく簡素化でき、かつユニット３
０を前後左右方向は基より上下方向のガタツキがなく、
精度良く取り付け、超音波溶着不良を皆無としたことが
特徴である。Incidentally, the ultrasonic welding apparatus 1 according to the present invention.
The vibrator unit 30 installed in the vibrator 3 includes the vibrator 3
1, an ultrasonic horn 32 screwed into and fixed to the vibrator 31 by a screw, and a vibrator case 33 that covers the vibrator 31 and supports the vibrator 31 and the ultrasonic welding horn 32. The vibrator unit 30 can be attached to the press gantry 20 side with one touch, and the ultrasonic horn 32 has reproducibility, so that maintenance accompanying troublesome tuning can be significantly simplified, and the unit 3
0 is less in the vertical direction than in the front, rear, left and right directions,
It is characterized in that it is mounted with high accuracy and there is no ultrasonic welding defect.

【００２２】そのために、図２，図３に示すように、プ
レス架台２０側には振動子ユニット３０の両側フランジ
部３４を支持する一対のサポートレール２１が両側に設
けられており、このサポートレール２１の内面の溝部２
２に沿って振動子ケース３３の両側フランジ３４をスラ
イド装着するとともに、適正位置で振動子ユニット３０
をサポートレール２１にロック固定できるように、本実
施形態ではボールプランジャー機構が採用されている。
すなわち、サポートレール２１の溝部２２におけるユニ
ット支持面２３には、ボール２４がスプリング２５にバ
ネ付勢されて埋設される一方、振動子ユニット３０の両
側フランジ３４の下面には上記ボール２４が嵌まり込む
円錐状係合部３５が設けられている。For this purpose, as shown in FIGS. 2 and 3, a pair of support rails 21 for supporting both side flange portions 34 of the vibrator unit 30 are provided on both sides of the press gantry 20. Groove 2 on the inner surface of 21
2, slide the flanges 34 on both sides of the vibrator case 33 along with the vibrator unit 30 at an appropriate position.
In the present embodiment, a ball plunger mechanism is employed so that the ball can be locked to the support rail 21.
That is, while the ball 24 is buried in the unit support surface 23 in the groove 22 of the support rail 21 by being urged by the spring 25, the ball 24 fits on the lower surface of both side flanges 34 of the vibrator unit 30. A conical engagement portion 35 is provided.

【００２３】従って、サポートレール２１に沿って振動
子ユニット３０の両側フランジ３４を嵌め込んでスライ
ドさせていけば、サポートレール２１に設けたボール２
４がユニット３０の円錐状係合部３５内に嵌まり込み、
この地点で振動子ユニット３０がプレス架台２０にロッ
ク保持され、前後左右方向にユニット３０が位置ずれを
起こすことがない。更に、両側フランジ３４の肩部に傾
斜面３６を設けるとともに、この傾斜面３６と面接触す
るようにサポートレール２１側にも溝部２２の上部面に
傾斜面２６を設置し、傾斜面２６，３６同士の突き当て
作用により、振動子ユニット３０は上下方向の位置ずれ
が生じない。Therefore, if the flanges 34 on both sides of the vibrator unit 30 are fitted and slid along the support rail 21, the ball 2 provided on the support rail 21
4 fits into the conical engagement portion 35 of the unit 30,
At this point, the vibrator unit 30 is locked and held by the press frame 20, so that the unit 30 does not shift in the front-rear, left-right direction. Further, an inclined surface 36 is provided on the shoulder portion of the flanges 34 on both sides, and the inclined surface 26 is provided on the upper surface of the groove 22 on the support rail 21 side so as to make surface contact with the inclined surface 36. Due to the abutting action of the two, the transducer unit 30 does not shift vertically.

【００２４】また、サポートレール２１の先端側には脱
落防止片２７が押圧バネ２８により振動子ユニット３０
の押圧方向にバネ付勢されて取り付けられ、振動子ユニ
ット３０を装着する際には、この脱落防止片２７を起立
させてスライドスペースを確保して振動子ユニット３０
のスライド動作を行ない、振動子ユニット３０のスライ
ド操作が完了すれば、脱落防止片２７をそれぞれ内側に
倒し込み、ストッパーとして機能させ、振動子ユニット
３０がサポートレール２１から脱落することがないよう
に構成されている。尚、図中符号３７は振動子３１の平
行度を調節する捩子を示す。At the tip end of the support rail 21, a drop-off preventing piece 27 is provided by a pressing spring 28 with a vibrator unit 30.
When the vibrator unit 30 is mounted, the stopper 27 is erected to secure a slide space when the vibrator unit 30 is mounted.
When the sliding operation of the vibrator unit 30 is completed, the falling-off preventing pieces 27 are respectively tilted inward to function as stoppers so that the vibrating unit 30 does not fall off the support rail 21. It is configured. Reference numeral 37 in the figure denotes a screw for adjusting the parallelism of the vibrator 31.

【００２５】このように、本発明に係る超音波溶着装置
１０は、振動子３１と超音波ホーン３２とを予め一体化
した振動子ユニット３０をプレス架台２０に取り付ける
という構成であるため、従来のようにプレス機側に固定
されている振動子に対して超音波ホーンを捩子止め固定
するという構成ではないため、図８中θで示す角度ズレ
がなく、超音波ホーン３２の取り付けに再現性を付与で
きる。As described above, the ultrasonic welding apparatus 10 according to the present invention has a structure in which the vibrator unit 30 in which the vibrator 31 and the ultrasonic horn 32 are integrated in advance is mounted on the press gantry 20. Since the ultrasonic horn is not fixed to the vibrator fixed to the press machine by screwing as described above, there is no angle shift indicated by θ in FIG. Can be given.

【００２６】更に、振動子ユニット３０をサポートレー
ル２１内面にスライド装着することにより、ワンタッチ
で取り付けが可能となり、従来のように捩子止め工具等
を必要とせず、簡単な操作で振動子や超音波ホーンの交
換が可能となる。加えて、ボールプランジャー機構や傾
斜面の突き当て作用により、振動子，超音波ホーンの前
後左右方向及び上下方向の位置ズレを規制でき、精度の
良い取り付けが可能となり、超音波溶着時に溶着不良や
多量のバリの発生等の不具合がなくなり、精度の良い超
音波溶着加工が期待できるという種々の利点がある。Further, the oscillator unit 30 is slidably mounted on the inner surface of the support rail 21 so that the oscillator unit 30 can be mounted with a single touch, and does not require a screw fixing tool or the like as in the prior art. The sonic horn can be replaced. In addition, the displacement of the vibrator and ultrasonic horn in the front-rear, left-right and up-down directions can be regulated by the ball plunger mechanism and the abutting action of the inclined surface, enabling accurate mounting, and poor welding during ultrasonic welding. There are various advantages that defects such as generation of a large amount of burrs and the like are eliminated, and high-accuracy ultrasonic welding can be expected.

【００２７】[0027]

【発明の効果】以上説明した通り、本発明に係る超音波
溶着装置は、以下に記載する格別な作用効果を有する。As described above, the ultrasonic welding apparatus according to the present invention has the following special functions and effects.

【００２８】（１）請求項１記載の発明によれば、超音
波ホーンと振動子とを予め組み込んだユニットをプレス
機側にスライド装着するとともに、ボールプランジャー
等のロック機構により、前後左右方向の位置ずれを規制
するという構成であるため、工具を必要とすることなく
簡単に振動子，超音波ホーンを交換でき、メンテナンス
作業を著しく簡素化できるという効果を有する。(1) According to the first aspect of the present invention, a unit in which an ultrasonic horn and a vibrator are pre-installed is slidably mounted on the press machine side, and a locking mechanism such as a ball plunger is used to move the unit in the front-rear and left-right directions. Since the displacement is restricted, the vibrator and the ultrasonic horn can be easily replaced without the need for tools, and the maintenance work can be greatly simplified.

【００２９】（２）請求項１記載の発明によれば、超音
波ホーンと振動子とを予め組み込んだユニットをプレス
機側にスライド装着するとともに、ボールプランジャー
等のロック機構により、前後左右方向の位置ずれを規制
するという構成であるため、面倒なチューニング作業を
必要とすることなく、超音波ホーンの再現性を確保でき
るという効果を有する。(2) According to the first aspect of the present invention, the unit in which the ultrasonic horn and the vibrator are preliminarily mounted is slid and mounted on the press machine side, and the locking mechanism such as a ball plunger is used to move the unit in the front-rear and left-right directions. This configuration has an effect that the reproducibility of the ultrasonic horn can be ensured without requiring a troublesome tuning operation.

【００３０】（３）請求項２記載の発明によれば、プレ
ス架台側のサポートレールの内面と、振動子ユニットの
両側フランジの肩部面との間にスライド方向に沿って当
接する傾斜面を設定したため、振動子ユニットが上下方
向に沿う位置ずれがなく、より精度の高い超音波溶着加
工が期待できるという効果を有する。(3) According to the second aspect of the present invention, the inclined surface that abuts along the sliding direction between the inner surface of the support rail on the press stand side and the shoulder surfaces of the flanges on both sides of the vibrator unit. Since this is set, there is no displacement of the vibrator unit in the vertical direction, and there is an effect that more accurate ultrasonic welding can be expected.

【００３１】（４）請求項３記載の発明によれば、プレ
ス架台側のサポートレール先端側に起倒可能な脱落防止
片を設定し、ユニットの装着時には、脱落防止片を起立
させ、ユニットのスライド装着後は脱落防止片を内側に
倒し込み、ユニットの脱落を防止するというものである
から、衝撃や外力が加わっても、プレス架台側にユニッ
トを確実に保持でき、装置の安全性を高めることができ
るという効果を有する。(4) According to the third aspect of the present invention, a fall-off preventing piece is set on the tip end side of the support rail on the press stand side, and when the unit is mounted, the fall-off prevention piece is set up to stand up. After the slide is mounted, the fall-off prevention piece is folded inward to prevent the unit from falling off, so that even if an impact or external force is applied, the unit can be securely held on the press stand side, increasing the safety of the device It has the effect of being able to.

【図面の簡単な説明】[Brief description of the drawings]

【図１】本発明に係る超音波溶着装置の全体構成を示す
側面図。FIG. 1 is a side view showing the overall configuration of an ultrasonic welding apparatus according to the present invention.

【図２】本発明に係る超音波溶着装置における振動子ユ
ニットの取付構造を示す一部破断正面図。FIG. 2 is a partially cutaway front view showing a mounting structure of a transducer unit in the ultrasonic welding device according to the present invention.

【図３】同超音波溶着装置における振動子ユニットの取
付構造を示す平面図。FIG. 3 is a plan view showing a mounting structure of a transducer unit in the ultrasonic welding device.

【図４】自動車用サンバイザを示す外観図。FIG. 4 is an external view showing a sun visor for an automobile.

【図５】サンバイザにおける補助ノブの加工状態を示す
説明図。FIG. 5 is an explanatory view showing a processing state of an auxiliary knob in the sun visor.

【図６】従来の超音波溶着装置の要部を示す説明図。FIG. 6 is an explanatory view showing a main part of a conventional ultrasonic welding device.

【図７】従来の超音波溶着装置のチューニング時の不具
合を示す説明図。FIG. 7 is an explanatory view showing a problem during tuning of the conventional ultrasonic welding device.

【符号の説明】[Explanation of symbols]

１０ 超音波溶着装置 １４ シリンダ ２０ プレス架台 ２１ サポートレール ２４ ボール ２５ 押圧バネ ２６ 傾斜面 ２７ 脱落防止片 ２８ 押圧バネ ３０ 振動子ユニット ３１ 振動子 ３２ 超音波ホーン ３３ 振動子ケース ３４ 両側フランジ ３５ 円錐状係合部 ３６ 傾斜面 DESCRIPTION OF SYMBOLS 10 Ultrasonic welding device 14 Cylinder 20 Press stand 21 Support rail 24 Ball 25 Press spring 26 Inclined surface 27 Fall prevention piece 28 Press spring 30 Vibrator unit 31 Vibrator 32 Ultrasonic horn 33 Vibrator case 34 Both side flange 35 Conical engagement Joint 36 slope

Claims (3)

【特許請求の範囲】[Claims] 【請求項１】 支持盤（１１）上のワーク台（１３）に
セットされたワーク（Ｗ）に対して、プレス機のシリン
ダ（１４）に設けたプレス架台（２０）に連結した振動
子（３１），超音波ホーン（３２）を降下させ、超音波
ホーン（３２）をワーク（Ｗ）に押し当て、振動子（３
１）からの振動によりワーク（Ｗ）を溶着する超音波溶
着装置において、 前記振動子（３１）と超音波ホーン（３２）とを予め組
み込み、振動子（３１）を振動子ケース（３３）内に収
容した振動子ユニット（３０）を、プレス架台（２０）
のサポートレール（２１）にスライド装着するととも
に、このサポートレール（２１）に設けたボールプラン
ジャー機構により振動子ユニット（３０）の前後左右方
向の位置ズレを規制したことを特徴とする超音波溶着装
置。A vibrator (1) connected to a press frame (20) provided on a cylinder (14) of a press machine for a work (W) set on a work table (13) on a support board (11). 31), the ultrasonic horn (32) is lowered, the ultrasonic horn (32) is pressed against the work (W), and the vibrator (3) is pressed.
In an ultrasonic welding apparatus for welding a work (W) by the vibration from 1), the vibrator (31) and the ultrasonic horn (32) are pre-installed, and the vibrator (31) is placed in a vibrator case (33). The vibrator unit (30) housed in the press stand (20)
Characterized in that the vibrator unit (30) is slidably mounted on the support rail (21) and the displacement of the vibrator unit (30) in the front, rear, left and right directions is regulated by a ball plunger mechanism provided on the support rail (21). apparatus. 【請求項２】 前記振動子ユニット（３０）とサポート
レール（２１）は、振動子ユニット（３０）のスライド
方向に沿って、傾斜面（２６，３６）同士の突き当て構
造により、振動子ユニット（３０）の上下方向の位置ズ
レを規制したことを特徴とする請求項１記載の超音波溶
着装置。2. The vibrator unit (30) and the support rail (21) have a structure in which inclined surfaces (26, 36) abut against each other along the sliding direction of the vibrator unit (30). 2. The ultrasonic welding apparatus according to claim 1, wherein the vertical displacement of (30) is restricted. 【請求項３】 前記サポートレール（２１）の先端部分
の両側には、振動子ユニット（３０）の抜け落ちを規制
する起倒可能な脱落防止片（２７）が設置されているこ
とを特徴とする請求項１，２記載の超音波溶着装置。3. A falling-off preventing piece (27) for restricting the vibrator unit (30) from falling off is provided on both sides of a tip portion of the support rail (21). The ultrasonic welding device according to claim 1.
JP16600297A 1997-06-23 1997-06-23 Ultrasonic welding equipment Expired - Fee Related JP3314864B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10301423A1 (en) * 2003-01-16 2004-07-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Ultrasonic welding assembly, especially for plastics housing for electrical/electronic sensors, has a sonotrode projecting from a stack with a guide pin to work with a guide drilling at the component holder
CN106984895A (en) * 2017-04-28 2017-07-28 厦门建霖工业有限公司 Digitalized ultrasonic ripple flexible intelligent welding jig and its application method
CN108857112A (en) * 2018-07-18 2018-11-23 佛山科学技术学院 A kind of two dimensional ultrasonic vibration auxiliary fusion welding device and method
CN114701174A (en) * 2022-04-24 2022-07-05 长江智能科技(广东)股份有限公司 High-precision ultrasonic welding mechanism
CN115609134A (en) * 2022-11-23 2023-01-17 广东锐军智能设备有限公司 Ultrasonic metal welding machine

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CN108995233A (en) * 2018-07-20 2018-12-14 泰州劲松股份有限公司 A kind of rivet hot welder with pre-pressing mechanism

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10301423A1 (en) * 2003-01-16 2004-07-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Ultrasonic welding assembly, especially for plastics housing for electrical/electronic sensors, has a sonotrode projecting from a stack with a guide pin to work with a guide drilling at the component holder
DE10301423B4 (en) * 2003-01-16 2008-03-27 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Ultrasonic welding machine and method for positioning sonotrodes and component holders
CN106984895A (en) * 2017-04-28 2017-07-28 厦门建霖工业有限公司 Digitalized ultrasonic ripple flexible intelligent welding jig and its application method
CN108857112A (en) * 2018-07-18 2018-11-23 佛山科学技术学院 A kind of two dimensional ultrasonic vibration auxiliary fusion welding device and method
CN114701174A (en) * 2022-04-24 2022-07-05 长江智能科技(广东)股份有限公司 High-precision ultrasonic welding mechanism
CN115609134A (en) * 2022-11-23 2023-01-17 广东锐军智能设备有限公司 Ultrasonic metal welding machine

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