JPS61220592A - Speaker device - Google Patents
Speaker deviceInfo
- Publication number
- JPS61220592A JPS61220592A JP60061395A JP6139585A JPS61220592A JP S61220592 A JPS61220592 A JP S61220592A JP 60061395 A JP60061395 A JP 60061395A JP 6139585 A JP6139585 A JP 6139585A JP S61220592 A JPS61220592 A JP S61220592A
- Authority
- JP
- Japan
- Prior art keywords
- diaphragm
- edge
- speaker device
- adhesive
- shape
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- 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
-
- 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
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/13—Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
- B29C66/131—Single flanged joints, i.e. one of the parts to be joined being rigid and flanged in the joint area
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/53—Joining single elements to tubular articles, hollow articles or bars
- B29C66/534—Joining single elements to open ends of tubular or hollow articles or to the ends of bars
- B29C66/5344—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially annular, i.e. of finite length, e.g. joining flanges to tube ends
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—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
- B29C66/81433—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 being toothed, i.e. comprising several teeth or pins, or being patterned
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/16—Mounting or tensioning of diaphragms or cones
- H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
-
- 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
-
- 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
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
- B29L2031/3418—Loud speakers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は振動板の周辺に沿ってその振動板と異なる材
料で構成されたエツジが接合形成されたスピーカ装置に
おいて、振動板とエツジとの接合強度を改善したスピー
カ装置に関するものである。[Detailed Description of the Invention] [Field of Industrial Application] This invention relates to a speaker device in which an edge made of a material different from that of the diaphragm is bonded along the periphery of the diaphragm. The present invention relates to a speaker device with improved bonding strength.
従来、一般に用いられているスピーカ装置には電気信号
を空気の振動に変換する振動板と、この振動板を周辺で
保持するエツジとが備えられ、それぞれ独立した目的、
機能を達成されるように構成されている。そして代表的
なスピーカ装置の構成は、主として小型スピーカに実施
されているような振動板とエツジとがプラスチック材料
で一体になされたフィックス・エツジ（エツジレス）と
呼ばれるものが知られている。しかしながら、このフィ
ックス・エツジ方式のスピーカ装置は、振動板とエツジ
とが一体になされているため量産性に優れる反面、振動
板とエツジとに要求される機能、性能を同時に満足する
ことができなかった。Conventionally, commonly used speaker devices are equipped with a diaphragm that converts electrical signals into air vibrations and an edge that holds this diaphragm around the periphery, each of which has an independent purpose.
It is configured to accomplish its functions. A typical structure of a speaker device is known as a fixed edge (edgeless) structure in which a diaphragm and an edge are integrally made of a plastic material, which is mainly used in small speakers. However, although this fixed edge type speaker device has excellent mass productivity because the diaphragm and the edge are integrated, it cannot simultaneously satisfy the functions and performance required of the diaphragm and the edge. Ta.
そこで振動板とエツジとをそれぞれの目的特性に応じた
異種材料で構成し、接着剤により接合したスピーカ装置
が実用化されるに至った。この接合されたスピーカ装置
は、紙、パルプ、繊維を主体とした複合材料（ガラス繊
維、カーボン繊維などの無機質繊維）および熱可塑性樹
脂（ポリプロピレン、ポリエステル、ポリカーボネート
など）から構成され、所望形状に加工、成形された振動
板の周辺に、熱可塑性発泡樹脂（ポリウレタン、合成ゴ
ム等）を含浸加工した動植植物繊維から構成されたエツ
ジが接着剤を介して接合される構成になっており、その
接着剤加工は金型によるプレス加工加熱が行なわれてい
た。ここで接着加工に用いる金型には高温度（通常９０
〜２００℃）に加熱するため熱源としてヒータを使用す
るが、その金型の熱分布は所定温度で均等になさなけれ
ば、接着むら等の不都合が生じる。そして金型の形状、
ヒータの形状：配置ａ：金型のプレス加圧時間等により
すべて条件を均等に保持することは困難を極め、接着幅
の表面を所定温度に維持するには、この金型に消費され
る熱エネルギーの帽当量が失なわれる。たとえば１０ｃ
ｒｎ径の振動板の場合、接着加工を最適条件に保持する
にけ２圓の電力を要し、作業開始のための予備加熱電力
、作業途中での金型温度低下による熱電力等を考えると
熱損失は２０％以上にも達する。また作業開始時と同時
に金型の表面温度は順次低下するので、接着加工時にお
ける振動板とエツジとの温度にも影響し、その強度が弱
まり接着加工による品質は均一性を損なうことになる。Therefore, a speaker device has been put into practical use in which the diaphragm and the edge are made of different materials depending on their respective intended characteristics and are bonded together with an adhesive. This bonded speaker device is made of paper, pulp, fiber-based composite materials (inorganic fibers such as glass fibers and carbon fibers) and thermoplastic resins (polypropylene, polyester, polycarbonate, etc.) and is processed into the desired shape. Edges made of animal and plant fibers impregnated with thermoplastic foam resin (polyurethane, synthetic rubber, etc.) are bonded to the periphery of the molded diaphragm using an adhesive. Adhesive processing was performed by pressing and heating using a mold. The mold used for the bonding process is heated to a high temperature (usually 90°C).
A heater is used as a heat source to heat the mold to a temperature of ~200°C, but unless the heat distribution of the mold is uniform at a predetermined temperature, problems such as uneven adhesion will occur. And the shape of the mold,
Heater shape: Arrangement a: It is extremely difficult to maintain all conditions equally due to the pressing time of the mold, etc., and in order to maintain the surface of the bonding width at a predetermined temperature, the heat consumed by this mold must be Capacity of energy is lost. For example 10c
In the case of a diaphragm with a diameter of rn, it takes 2 mils of power to maintain the bonding process under optimal conditions, and considering the preheating power to start work, the thermal power due to the mold temperature drop during work, etc. Heat loss reaches over 20%. Furthermore, since the surface temperature of the mold gradually decreases at the same time as the start of work, it also affects the temperature of the diaphragm and edge during the bonding process, weakening their strength and impairing the uniformity of the quality of the bonding process.
このように所望する目的達成のため異種材料で構成した
振動板とエツジとを接合したスピーカ装置においては、
その接着による接合に外して、まず加熱温度管理が困難
であり、その作業も熟練を要し、接着接合部分の強度低
下を招き微小な非接合部分による異状音を発生させ、忠
実な音響再生が行なわれない欠点があった。In order to achieve the desired purpose, a speaker device in which a diaphragm and an edge made of different materials are joined,
Apart from adhesive bonding, it is difficult to control the heating temperature, which requires skill, reduces the strength of the adhesive joint, and generates abnormal sounds due to minute non-bonded parts, making it difficult to reproduce faithful sound. There was a drawback that it was not done.
この発明は上記した従来の欠点を除去するものであり、
振動板とエツジとが接合されるスピーカ装置にあって、
その接合作業性を向上すると共に、その接合部分の強度
を良好にすることを目的とするものである。This invention eliminates the above-mentioned conventional drawbacks,
In a speaker device in which a diaphragm and an edge are joined,
The purpose is to improve the joining workability and to improve the strength of the joined portion.
この発明はかかる目的を達成するため、所望形状に成形
され、それぞれ独立して異種素材で構成された振動板と
エツジとを備え、前記振動板の周辺に沿って前記エツジ
が接合されたスピーカ装置において、前記振動板と前記
エツジとが接着剤を介して超音波加工による融着で接合
されるように構成したことを特徴とするものである。In order to achieve such an object, the present invention provides a speaker device comprising a diaphragm and an edge formed into a desired shape and each independently made of different materials, and the edge is joined along the periphery of the diaphragm. In the present invention, the diaphragm and the edge are bonded to each other by fusion using ultrasonic processing via an adhesive.
以下、この発明の実施例を図面に基づき説明する。 Embodiments of the present invention will be described below based on the drawings.
第１図は所望形状に成形された振動板の周辺に沿ってエ
ツジが接合されたスピーカ装置の断面図であり、この第
１図において、■は所望形状に成形された振動板であり
、紙、バルブ線維又は熱可塑性樹脂から構成されている
。２け振動板ｌの周辺に接合されたエツジであり、動植
物繊維で構成されている。８は振動板１、ｔ−３よびエ
ツジ２を接合する接着剤であり、ポリウレタン、合成ゴ
ム等の熱可塑性発泡樹脂又は熱可塑性樹脂から構成され
、超音波加工による融着により振動板１とエツジ２とを
接合している。Fig. 1 is a sectional view of a speaker device in which edges are joined along the periphery of a diaphragm formed into a desired shape. In this Fig. 1, ■ is a diaphragm formed into a desired shape; , valve fiber or thermoplastic resin. This is an edge bonded to the periphery of the two-piece diaphragm l, and is made of animal and plant fibers. 8 is an adhesive for joining the diaphragm 1, t-3, and edge 2, and is made of thermoplastic foam resin such as polyurethane or synthetic rubber, or thermoplastic resin, and is bonded to the diaphragm 1 and the edge by fusing by ultrasonic processing. 2 are joined.
第２図は超音波加工を行なう溶着機の構成を示し、この
第２図において、４は超音波溶着機であり、所望形状に
形成された振動板１およびエツジ２を載置するための振
動板受部４１Ａおよびエツジ受部４＝ ｌ Ｅを有する
受台４１と、超音波を発生する超音波工具の先端に取付
けたホーン４２とを備えている。受台４１に、ｆ′ｉ振
動板受部４１Ａとエツジ受部４１Ｂとの間で載置される
振動板１とエツジ２との接合部分に対応する位置に凹凸
形状のギザ４１０が形成されている。FIG. 2 shows the configuration of a welding machine that performs ultrasonic processing. In this FIG. It includes a pedestal 41 having a plate holder 41A and an edge holder 4=lE, and a horn 42 attached to the tip of an ultrasonic tool that generates ultrasonic waves. The pedestal 41 is provided with uneven serrations 410 at positions corresponding to the joints between the diaphragm 1 and the edges 2 placed between the f'i diaphragm holder 41A and the edge holder 41B. There is.
ギザ４１０は第８図に示すように、深さ０１〜０５３、
ピッチ０８〜１． Ｏ１ｌｌｌｌｌに形成されて複数の
凸部および四部から構成されかつ、凸部から四部に向っ
て先細妙になるようにティーパ状になされている。ギザ
４１０の深さは０．１−０．５ ｗｎ 、ピッチ０８〜
１．０簡になされ、またギザ４１０の平面形状は複数の
凸部および四部により第４図（ａ）、（ｂ）、（０）に
示されるように、格子目、綾目、千どり等の網目状にな
されている。As shown in FIG. 8, the serrations 410 have a depth of 01 to 053,
Pitch 08-1. It is formed in an O1llllll shape and is composed of a plurality of convex parts and four parts, and is tapered in a tapered shape from the convex part to the four parts. The depth of the notches 410 is 0.1-0.5 wn, the pitch is 08~
1.0, and the planar shape of the serrations 410 has a plurality of convex parts and four parts, as shown in FIGS. It is made into a mesh pattern.
このように構成された超音波溶着機４の受台４１に所望
形状に成形された振動板１およびエツジ２を載置し、そ
の接合部分に接着剤８を塗布して超音波加工を施すこと
により、ギザ４１０とホーン４２とに挾持された振動板
ｌおよびエツジ２の接合部分は加圧されてホーン４２か
ら超音波エネルギーが発生され、挾持された振動板ｌお
よびエツジ２の接合部分が接着剤の溶融により接合され
令
る。ここで超音波溶接機の溶着条件は接合される振動板
１、エツジ２および接着剤８の材質、厚さ、並びにギザ
４１０の形状により決定される。The diaphragm 1 and the edge 2 formed into a desired shape are placed on the pedestal 41 of the ultrasonic welding machine 4 configured as described above, and the adhesive 8 is applied to the bonded portion to perform ultrasonic processing. As a result, the joint portion between the diaphragm l and the edge 2, which are held between the serrations 410 and the horn 42, is pressurized and ultrasonic energy is generated from the horn 42, and the joint portion between the diaphragm l and the edge 2, which are held between the serrations 410 and the horn 42, is bonded. They are joined by melting the agent. Here, the welding conditions of the ultrasonic welding machine are determined by the materials and thicknesses of the diaphragm 1, edge 2, and adhesive 8 to be joined, and the shape of the serrations 410.
ここで、この発明に用いられる「接着剤」とけて接着剤
８を塗布した得られるもののほか、振動・１揖
板】およびエツジ２にあらかじめ接着加工を施こした複
合材料を用いる場合の「接着層」を含むものである。Here, in addition to the "adhesive" used in this invention that is obtained by melting and applying adhesive 8, "adhesive layer”.
実施例１゜
厚さ１００声のパルプ繊維質の振動板１を所望形状に成
形すると共に、厚さ８０μｍの植物繊維を主体としたリ
ング状のエツジ２を所望形状に成形する。この振動板ｌ
およびエツジ２の接合部分に熱可塑性合成ゴム等の再加
熱加工接着剤８を幅２〜Ｂ咽のリング状に塗布する。接
着剤８が塗布された振動板】およびエツジ２を超音波溶
着機４の受台に載置し、超音波加工出力６００Ｗ、周波
数１９ Ｍｌ（Ｚ 、、 ４−加圧力２１’５／（−４
，加圧サイクル０８秒の条件で超音波加工を行なう。Example 1 A pulp fiber diaphragm 1 with a thickness of 100 tones is molded into a desired shape, and a ring-shaped edge 2 mainly made of vegetable fibers with a thickness of 80 μm is molded into a desired shape. This diaphragm
A reheating adhesive 8 such as thermoplastic synthetic rubber is applied to the joint portion of the edge 2 in a ring shape with a width of 2 to B. The diaphragm coated with adhesive 8 and the edge 2 were placed on the pedestal of the ultrasonic welding machine 4, and the ultrasonic processing output was 600 W, the frequency was 19 Ml(Z,, 4-pressure force 21'5/(- 4
, Ultrasonic processing is performed under the conditions of a pressure cycle of 08 seconds.
ここでエツジ２に植物繊維質を用いる場合には超音波加
工による振動熱の損失を最小限に留めるため、下金型に
相当する受台４１のギザ４１０部分は全体的に数筋に突
出させ、その上に鋭いギザ加工した金型受台を用いるこ
とが好ましい。When using vegetable fiber for the edge 2, in order to minimize the loss of vibrational heat due to ultrasonic processing, the serrations 410 of the pedestal 41, which corresponds to the lower mold, are made to protrude in several lines throughout. , it is preferable to use a mold pedestal with sharp serrations thereon.
実施例２゜
厚さ２００島のパルプ繊維質より構成される振動板１を
所望形状に成形すると共に、その片側表面に網目状の凹
凸部ＩＡを形成する。振動板１の凹凸形状はパルプ繊維
質を抄いて形成する際に、その金型に形成される形状に
より決定することができる。一方、所望形状になされた
リング状で布製のエツジ２には接着剤８が含浸されてお
り、このエツジ２が振動板ｌの凹凸部ｌＡ側に重ね合さ
れて超音波溶着機４の受台に載置し、超音波加工出力６
００Ｗ、周波数１９ ＭＨ２、加圧力１．５ Ｋｇ／ｄ
１加圧サイクル０５秒の条件で超音波加工を行なう。Example 2 A diaphragm 1 made of pulp fiber having a thickness of 200° is molded into a desired shape, and a mesh-like uneven portion IA is formed on one surface of the diaphragm 1. The uneven shape of the diaphragm 1 can be determined by the shape formed in a mold when pulp fiber is formed. On the other hand, a ring-shaped cloth edge 2 formed into a desired shape is impregnated with adhesive 8, and this edge 2 is superimposed on the uneven portion 1A side of the diaphragm 1, and is placed on the cradle of the ultrasonic welding machine 4. and ultrasonic machining output 6
00W, frequency 19 MH2, pressure 1.5 Kg/d
Ultrasonic processing is performed under conditions of 05 seconds per pressurization cycle.
このようにｍ成された振動板ｌとエツジ２の接合部分け
、第５図に示されるように、従来の接着に比べてその強
度を一段と高めることができ、完全に固着してスピーカ
として動作させた場合、歪の減少に寄与することができ
る。As shown in Figure 5, the joint between the diaphragm 1 and the edge 2 formed in this manner can have a much higher strength than conventional adhesives, and is completely fixed and operates as a speaker. This can contribute to reducing distortion.
実施例３
厚さ１００声の主としてパルプ繊維質の振動板ｌを所望
形状に成形すると共に、厚さ７０声の植グ状に切断され
ている。この振動板ｌおよびエツジ２を第６図に示され
るように、所望のコルゲージ日ンの加工成形が行なわれ
ると共に、接着加工を行ならしめるために、超音波溶着
機４のホーン４２には、受台４１のエツジ受部４１Ｂ１
ギザ４１０に対接する部分の形状に加工されている。そ
して振動・板ｌおよびエツジ２を超音波溶着機４の受台
４１に載置し、超音波加工出力５００Ｗ、加圧力２に４
／Ｊ、加圧サイクル０８秒の条件でエツジ２の形状成形
と、振動板ｌおよびエツジ２の接着加工を同時に行なう
。Example 3 A 100-tone thick diaphragm 1 made mainly of pulp fibers was molded into a desired shape and cut into a 70-tone thick diaphragm. The horn 42 of the ultrasonic welding machine 4 is equipped with the horn 42 of the ultrasonic welding machine 4 in order to process and form the diaphragm 1 and the edge 2 into a desired corrugated shape as shown in FIG. Edge holder 41B1 of pedestal 41
It is processed into the shape of the portion that contacts the serrations 410. Then, the vibration plate 1 and the edge 2 are placed on the pedestal 41 of the ultrasonic welding machine 4, and the ultrasonic machining output is 500 W and the pressing force 2 is set to 4.
/J, the shape forming of edge 2 and the bonding process of diaphragm 1 and edge 2 are performed simultaneously under the conditions of 08 seconds of pressure cycle.
また上記した実施例にみられるように接着剤８による溶
着加工の幅は従来のπ〜に程度であっても極めて高い接
着強度が得られるため、エツジ２を含めた振動板ｌの実
質径を増大すると共に、その振動による歪が少なくなる
利点を有する。したがってこの発明による振動板ｌとエ
ツジ２との接合強度は同一条件の従来の構成に比べて１
．５〜２倍に向上することが可能である。Furthermore, as seen in the above-mentioned embodiment, even if the width of the welding process using the adhesive 8 is about π to that of the conventional method, extremely high adhesive strength can be obtained. It has the advantage that the distortion caused by the vibration decreases as the vibration increases. Therefore, the bonding strength between the diaphragm l and the edge 2 according to the present invention is 1
．． It is possible to improve it by 5 to 2 times.
以上説明したように、この発明のスピーカ装置は、振動
板の周辺に沿ってエツジが接着剤を介して超音波加工に
よる融着して接合するように構成されているので振動板
およびエツジがそれぞれ目的に応じて異種材料に選定で
き、かつその接合部分の強度が作業性を低下することな
く向上させることができる。As explained above, the speaker device of the present invention is configured such that the edges along the periphery of the diaphragm are fused and bonded by ultrasonic processing via an adhesive, so that the diaphragm and the edges are Different materials can be selected depending on the purpose, and the strength of the joint can be improved without reducing workability.
第１図は振動板の周辺に沿ってエツジが接合されたスピ
ーカ装置の半断面図、第２図はこの発明のスピーカ装置
を得るのに用いられる超音波溶着機の構成図、第３図は
超音波溶着機の受台に形成されたギザの拡大図、第４図
（ａ）、（ｂ）、（０）はそれぞれギザ部の平面形状図
、第５図はこの発明によるスピーカ装置の他の実施例を
示す半断面図、第６図はこの発明によるスピーカ装置を
製造する時の超音波溶着機の断面図である。
■・・・・・・振動板 ２・・・・・・エツジ８・・
・・・・接着剤 ４・・・・・−超音波溶着機４１・
・・・・・受台 ４１Ａ・・・・・・振動板受部４・
ＩＢ・・・・・・エツジ受部 ４１０・・・・・・ギ
ザ４２・・・・・・ホーン
ＬＡ・・・・・・振動板の凹凸面側
十
寸１
手 続 補 正 書
昭和６１年１月２０日
１、事件の表示
昭和６０年特許願第６１３９５号
２、発明の名称
スピーカ装置
３、補正をする者
事件との関係 特許出願人
明細書の「発明の詳細な説明」の欄
５、補正の内容
（１）明細書第８亘第１行目のｒ１９ＭＨ２ｊをｒ１９
ＫＨ７Ｊに補正ずろ。
月細書第８頁第１８行目のｒ１９ＭＨ２ｊをｒ １９
Ｋ ＨＺ Ｊに補正する。FIG. 1 is a half-sectional view of a speaker device in which edges are joined along the periphery of a diaphragm, FIG. 2 is a block diagram of an ultrasonic welding machine used to obtain the speaker device of the present invention, and FIG. An enlarged view of the notches formed on the pedestal of the ultrasonic welding machine, FIGS. 4(a), (b), and (0) are plan views of the notches, respectively, and FIG. FIG. 6 is a cross-sectional view of an ultrasonic welding machine used to manufacture a speaker device according to the present invention. ■・・・Diaphragm 2...Edge 8...
...Adhesive 4...-Ultrasonic welding machine 41.
...Base 41A...Diaphragm holder 4.
IB... Edge receiver 410... Notch 42... Horn LA... Concave and convex surface side of diaphragm 1 inch Procedure Correction Book 1986 January 20th 1, Indication of the case Patent Application No. 61395 of 1985 2, Name of the invention Speaker device 3, Person making the amendment Relationship to the case Column 5 of "Detailed description of the invention" in the patent applicant's specification , Details of amendment (1) r19MH2j in the 8th line 1st line of the specification is changed to r19
Correction to KH7J. r19MH2j on page 8, line 18 of the monthly report
Correct to K HZ J.
Claims (1)
された振動板とエッジとを備え、前記振動板の周辺に沿
って前記エッジが接合されたスピーカ装置において、前
記振動板と前記エッジとが接着剤を介して超音波加工に
よる融着で接合されていることを特徴とするスピーカ装
置。In a speaker device comprising a diaphragm and an edge formed into a desired shape and each independently made of different materials, the edge being joined along the periphery of the diaphragm, the diaphragm and the edge are A speaker device characterized in that the speaker device is bonded by fusion using ultrasonic processing via an adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60061395A JPS61220592A (en) | 1985-03-26 | 1985-03-26 | Speaker device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60061395A JPS61220592A (en) | 1985-03-26 | 1985-03-26 | Speaker device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61220592A true JPS61220592A (en) | 1986-09-30 |
Family
ID=13169921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60061395A Pending JPS61220592A (en) | 1985-03-26 | 1985-03-26 | Speaker device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61220592A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0685981A2 (en) * | 1994-06-01 | 1995-12-06 | NOKIA TECHNOLOGY GmbH | Loudspeaker |
-
1985
- 1985-03-26 JP JP60061395A patent/JPS61220592A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0685981A2 (en) * | 1994-06-01 | 1995-12-06 | NOKIA TECHNOLOGY GmbH | Loudspeaker |
| EP0685981A3 (en) * | 1994-06-01 | 1996-06-05 | Nokia Technology Gmbh | Loudspeaker. |
| US5699439A (en) * | 1994-06-01 | 1997-12-16 | Nokia Technology Gmbh | Loudspeakers |
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