JP4783941B2 - Ultrasonic welder - Google Patents

Ultrasonic welder Download PDF

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Publication number
JP4783941B2
JP4783941B2 JP2005373548A JP2005373548A JP4783941B2 JP 4783941 B2 JP4783941 B2 JP 4783941B2 JP 2005373548 A JP2005373548 A JP 2005373548A JP 2005373548 A JP2005373548 A JP 2005373548A JP 4783941 B2 JP4783941 B2 JP 4783941B2
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Japan
Prior art keywords
horn
ultrasonic
welded
anvil
ultrasonic welder
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Expired - Fee Related
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JP2005373548A
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Japanese (ja)
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JP2007175879A (en
Inventor
一寿 山元
和政 久保田
雅祐 豊田
喜和 村松
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Honda Electronics Co Ltd
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Honda Electronics Co Ltd
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    • 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
    • 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
    • B29C66/32—Measures for keeping the burr form under control; Avoiding burr formation; Shaping the burr
    • B29C66/328—Leaving the burrs unchanged for providing particular properties to the joint, e.g. as decorative effect
    • B29C66/3282—Leaving the burrs unchanged for providing particular properties to the joint, e.g. as decorative effect for reinforcing the 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
    • B29C66/40—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
    • B29C66/431—Joining the articles to themselves
    • B29C66/4312—Joining the articles to themselves for making flat seams in tubular or hollow articles, e.g. transversal seams
    • 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
    • B29C66/737—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 state of the material of the parts to be joined
    • B29C66/7373—Joining soiled or oxidised materials
    • 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
    • B29C66/824—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
    • 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
    • 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
    • B29C66/857—Medical tube welding machines
    • 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
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • B29L2023/005—Hoses, i.e. flexible
    • B29L2023/007—Medical tubes other than catheters

Description

本発明は、超音波振動子のホーンの周囲に被溶着物の溶融物質が溜まるように支持板を設けた超音波溶着器に関するものである。   The present invention relates to an ultrasonic welder in which a support plate is provided so that a molten material of an object to be welded is collected around a horn of an ultrasonic vibrator.

従来、図６、図７及び図８に示すように、ハンドピース１の一端に超音波振動子２のホーン２ａの端部が突出され、ハンドピース１の側部にアンビル部３の摺動部材３ａが摺動可能に装着され、摺動部材３ａからアンビル３ｂがほぼ垂直に形成され、アンビル３ｂの端部は超音波振動子２のホーン２ａの端部と接触するように構成され、ハンドピース１の両側面に装着された回動軸４で回動部材５の三角部材５ａの頂点部分が支持され、又、回動部材５は三角部材５ａからハンドピース１の下方に斜めにレバー５ｂが形成され、さらに、回動部材５の三角部材５ａの底部近傍に駆動軸６が固着され、又、アンビル部３の摺動部材３ａを貫通して支持軸７が摺動部材３ａに固着され、駆動軸６と支持軸７の間にＵ字状のバネ８が装着され、又、ハンドピース１の側部に発振スイッチ９が装着され、レバー３ｂに装着した突出部５ｃで発振スイッチ９を押すようにした超音波溶着器が提案されている。   Conventionally, as shown in FIGS. 6, 7, and 8, the end of the horn 2 a of the ultrasonic vibrator 2 protrudes from one end of the handpiece 1, and the sliding member of the anvil portion 3 protrudes from the side of the handpiece 1. 3a is slidably mounted, an anvil 3b is formed substantially vertically from the sliding member 3a, and an end of the anvil 3b is configured to come into contact with an end of the horn 2a of the ultrasonic transducer 2, and the handpiece 1 is supported at the apex portion of the triangular member 5a of the rotating member 5, and the rotating member 5 has a lever 5b obliquely below the handpiece 1 from the triangular member 5a. Further, the drive shaft 6 is fixed near the bottom of the triangular member 5a of the rotating member 5, and the support shaft 7 is fixed to the sliding member 3a through the sliding member 3a of the anvil portion 3. A U-shaped spring 8 is mounted between the drive shaft 6 and the support shaft 7, Oscillation switch 9 on the side of Ndopisu 1 is mounted, ultrasonic welding instrument which has to press the oscillation switch 9 protruding portion 5c attached to the lever 3b are proposed.

しかしながら、この超音波溶着器では、図８及び図９に示すように、超音波振動子２のホーン２ａの周囲とハンドピース１の端部の覆い板１ａの間に隙間１ｂが形成されているため、超音波振動子２のホーン２ａとの間に被溶着物１０を挟持して溶着する時、図１０に示すように、ホーン２ａが振動しているために、被溶着物１０の溶融物質１０ａが振動しているホーン２ａの周囲と覆い板１ａの間の隙間１ｂから下方に運ばれて伸びてしまい、この溶着部分１０ｂが薄くなり、強度に弱い部分ができるという問題がある。
特願２００４−２５２２２６ However, in this ultrasonic welder, as shown in FIGS. 8 and 9, a gap 1 b is formed between the periphery of the horn 2 a of the ultrasonic transducer 2 and the cover plate 1 a at the end of the handpiece 1. Therefore, when the object to be welded 10 is sandwiched and welded between the horn 2a of the ultrasonic vibrator 2 and the horn 2a vibrates as shown in FIG. There is a problem in that the welded portion 10b becomes thin and a weak portion is formed due to being conveyed downward from the gap 1b between the periphery of the horn 2a and the cover plate 1a where the vibrating plate 10a vibrates.
Japanese Patent Application No. 2004-252226

解決しようとする問題点は、従来の超音波溶着器では、超音波振動子のホーンとハンドピースの覆い板との隙間に被溶着物の溶融部分がホーンの振動で運ばれて伸びてしまい、強度に弱い部分ができるという点である。   The problem to be solved is that in the conventional ultrasonic welder, the melted portion of the welded object is carried by the vibration of the horn and stretched in the gap between the horn of the ultrasonic vibrator and the cover plate of the handpiece, It is a point that a weak part is made.

本発明では、ハンドピースは超音波振動子を内蔵し、超音波振動子のホーンの先端が端部に突出し、アンビル部はハンドピースの側部に摺動部材を装着し、該摺動部材から突出するアンビルの接触部が超音波振動子のホーンと対向するように装着され、支持板は超音波振動子のホーンの先端の周囲に装着され、内端に鋭角に突出するエッジをホーンの側面に接触され、被溶着物を溶着する時に、超音波振動子のホーンと支持板のエッジとの間に被溶着物の溶着物質を溜めるようにするものである。   In the present invention, the handpiece incorporates an ultrasonic transducer, the tip of the horn of the ultrasonic transducer protrudes from the end, the anvil portion has a sliding member attached to the side of the handpiece, and the sliding member The protruding contact part of the anvil is mounted so as to face the horn of the ultrasonic transducer, the support plate is mounted around the tip of the horn of the ultrasonic transducer, and the edge that protrudes at an acute angle at the inner end is attached to the side of the horn. When the object to be welded is welded, the welding substance of the object to be welded is stored between the horn of the ultrasonic vibrator and the edge of the support plate.

本発明の超音波溶着器は、超音波振動子のホーンと支持板のエッジとの間に被溶着物の溶着物質を溜めるようにすることにより、被溶着物はこの溜まった溶融物質により、溶着部分の周囲が厚くなり、強度が強くなるという利点がある。   In the ultrasonic welder of the present invention, the welded material is deposited between the horn of the ultrasonic vibrator and the edge of the support plate, so that the welded material is welded by the accumulated molten material. There is an advantage that the periphery of the portion becomes thick and the strength becomes strong.

図１は本発明の実施例の超音波溶着器のアンビルとホーンの側面図、図２は図１の超音波溶着器の一部を切り欠いた断面図で、１はハンドピース、２は超音波振動子、３はアンビル部、３ａは摺動部材、３ｂはアンビル、４は回動軸、５は回動部材、６は駆動軸、７は支持軸、８はバネで、これらの構成は上記従来例と同じであるので、説明は省略するが、本実施例では、図３に示すように、超音波振動子２のホーン２ａの先端の周囲に合成樹脂製の板状の支持板１１を覆い板１ａに固着させ、この板状の支持板１１の中央部分に超音波振動子２のホーン２ａが挿入される孔１１ａが形成され、板状の支持板１１の孔１１ａの内端に鋭角に突出するエッジ１１ｂが形成され、このエッジ１１ｂをホーン２ａの側面に接触させるように構成する。   FIG. 1 is a side view of an anvil and a horn of an ultrasonic welder according to an embodiment of the present invention, FIG. 2 is a cross-sectional view of a portion of the ultrasonic welder of FIG. The sound wave vibrator, 3 is an anvil part, 3a is a sliding member, 3b is an anvil, 4 is a rotation shaft, 5 is a rotation member, 6 is a drive shaft, 7 is a support shaft, and 8 is a spring. Since it is the same as the above-described conventional example, the description is omitted. In this embodiment, as shown in FIG. 3, a plate-like support plate 11 made of synthetic resin is provided around the tip of the horn 2a of the ultrasonic transducer 2. Is fixed to the cover plate 1a, and a hole 11a into which the horn 2a of the ultrasonic vibrator 2 is inserted is formed in the central portion of the plate-like support plate 11, and is formed at the inner end of the hole 11a of the plate-like support plate 11. An edge 11b protruding at an acute angle is formed, and the edge 11b is configured to contact the side surface of the horn 2a.

このように構成された本実施例の超音波溶着器では、図４に示すように、被溶着物１０をアンビル部３のアンビル３ｂと超音波振動子２のホーン２ａの先端で挟持して、超音波振動子２に発振器（図示せず）から発振出力を印加しながらアンビル３ｂをホーン２ａに近づけると、被溶着物１０が溶着されるとともに、被溶着物１０の溶融部分１０ｂが板状の支持板１１のエッジ１１ｂとホーン２ａの間に溜まるので、被溶着物１０をアンビル３ｂとホーン２ａの間から離すと、図５に示すように、この溜まった溶融部分１０ｂによって被溶着物１０に強度がでるという利点がある。   In the ultrasonic welder of this example configured as described above, as shown in FIG. 4, the object to be welded 10 is sandwiched between the anvil 3b of the anvil part 3 and the tip of the horn 2a of the ultrasonic vibrator 2, When the anvil 3b is brought close to the horn 2a while applying an oscillation output from an oscillator (not shown) to the ultrasonic vibrator 2, the object to be welded 10 is welded and the molten portion 10b of the object to be welded 10 is plate-shaped. Since it accumulates between the edge 11b of the support plate 11 and the horn 2a, when the object to be welded 10 is separated from between the anvil 3b and the horn 2a, as shown in FIG. There is an advantage that strength comes out.

なお、上記実施例では、板状の支持板１１を合成樹脂製で構成するようにしたが、この合成樹脂としては、テフロン（登録商標）等の耐熱樹脂で構成され、又、樹脂に限らず、ホーン２からの振動が伝わり難く、耐熱があり、強度のある物質を使用してもよい。   In the above embodiment, the plate-like support plate 11 is made of a synthetic resin. However, the synthetic resin is made of a heat-resistant resin such as Teflon (registered trademark), and is not limited to a resin. Moreover, it is difficult to transmit vibration from the horn 2, and a heat resistant and strong substance may be used.

本発明の実施例の超音波溶着器の上面図である。It is a top view of the ultrasonic welder of the Example of this invention. 図１の超音波溶着器のホーン部分の断面図である。It is sectional drawing of the horn part of the ultrasonic welder of FIG. 図１の超音波溶着器の支持板部分の斜視図である。It is a perspective view of the support plate part of the ultrasonic welder of FIG. 図１の超音波溶着器で被溶着物を溶着する状態を示した図である。It is the figure which showed the state which welds a to-be-welded object with the ultrasonic welder of FIG. 溶着した被溶着物の断面図である。It is sectional drawing of the to-be-welded thing welded. 従来の超音波溶着器の側面図である。It is a side view of the conventional ultrasonic welder. 図６の超音波溶着器の側面透視図である。FIG. 7 is a side perspective view of the ultrasonic welder of FIG. 6. 図６の超音波溶着器の上面透視図である。FIG. 7 is a top perspective view of the ultrasonic welder of FIG. 6. 図６の超音波溶着器のホーン部分の断面図である。It is sectional drawing of the horn part of the ultrasonic welder of FIG. 図６の従来の超音波溶着器で被溶着物を溶着した状態を示したずである。FIG. 7 is a diagram illustrating a state in which an object to be welded is welded by the conventional ultrasonic welder of FIG.

符号の説明Explanation of symbols

２ 超音波振動子
２ａ ホーン
３ アンビル部
３ａ 摺動部材
３ｂ アンビル
４ 回動軸
５ 回動部材
６ 駆動軸
７ 支持軸
８ バネ
９ スイッチ
１０ 被溶着物
１１ 板状の支持板
１１ａ 孔
１１ｂ エッジ DESCRIPTION OF SYMBOLS 2 Ultrasonic vibrator 2a Horn 3 Anvil part 3a Sliding member 3b Anvil 4 Rotating shaft 5 Rotating member 6 Drive shaft 7 Support shaft 8 Spring 9 Switch 10 To-be-welded object 11 Plate-shaped support plate 11a Hole 11b Edge

Claims (3)

超音波振動子を内蔵し、該超音波振動子のホーンの先端が端部に突出したハンドピースと、該ハンドピースの側部に摺動部材を装着し、該摺動部材から突出するアンビルの接触部が前記超音波振動子のホーンと対向するように装着されたアンビル部と、前記超音波振動子のホーンの先端の周囲に装着され、内端に鋭角に突出するエッジを前記ホーンの側面に接触させた支持板とからなり、前記被溶着物を溶着する時に、前記超音波振動子の前記ホーンと前記支持板の前記エッジとの間に前記被溶着物の溶着物質を溜めるようにすることを特徴とする超音波溶着器。   An ultrasonic vibrator is built-in, and a handpiece in which the tip of the horn of the ultrasonic vibrator protrudes to the end, and a sliding member is attached to a side portion of the handpiece, and an anvil protruding from the sliding member An anvil portion mounted so that a contact portion faces the horn of the ultrasonic transducer, and an edge that is mounted around the tip of the horn of the ultrasonic transducer and protrudes at an acute angle at the inner end is a side surface of the horn. The welding material is deposited between the horn of the ultrasonic vibrator and the edge of the supporting plate when welding the welding material. An ultrasonic welder characterized by that. 前記支持板はテフロン（登録商標）等の耐熱樹脂で構成することを特徴とする請求項１記載の超音波溶着器。   2. The ultrasonic welder according to claim 1, wherein the support plate is made of a heat-resistant resin such as Teflon (registered trademark). 前記支持板は振動が伝わり難く、耐熱で、強度がある物質で構成されることを特徴とする請求項１記載の超音波溶着器。   The ultrasonic welder according to claim 1, wherein the support plate is made of a material that hardly transmits vibration, is heat resistant, and has strength.
JP2005373548A 2005-12-26 2005-12-26 Ultrasonic welder Expired - Fee Related JP4783941B2 (en)

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JPS54103191A (en) * 1978-01-31 1979-08-14 Yoshino Kogyosho Co Ltd Seal device of tail portion of tube vessel in synthetic resin

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