JPH02295300A - Speaker component and its manufacturing method - Google Patents
Speaker component and its manufacturing methodInfo
- Publication number
- JPH02295300A JPH02295300A JP11656289A JP11656289A JPH02295300A JP H02295300 A JPH02295300 A JP H02295300A JP 11656289 A JP11656289 A JP 11656289A JP 11656289 A JP11656289 A JP 11656289A JP H02295300 A JPH02295300 A JP H02295300A
- Authority
- JP
- Japan
- Prior art keywords
- damper
- speaker
- cone
- diaphragm
- mold
- 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
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 23
- 238000000071 blow moulding Methods 0.000 claims abstract description 17
- 238000000465 moulding Methods 0.000 claims abstract description 7
- 229920003002 synthetic resin Polymers 0.000 claims abstract description 7
- 239000000057 synthetic resin Substances 0.000 claims abstract description 7
- 229920001169 thermoplastic Polymers 0.000 claims abstract description 7
- 239000004416 thermosoftening plastic Substances 0.000 claims abstract description 7
- 238000005520 cutting process Methods 0.000 claims description 7
- 238000007664 blowing Methods 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims 1
- 230000004927 fusion Effects 0.000 abstract description 2
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
Abstract
Description
【発明の詳細な説明】
〈産業上の利用分野〉
本発明は、一体に結合成形した合成用脂材料製のコーン
形振動板とダンパとからなるスビー力部品と、それを吹
込み成形法により製造する方法と、その製造に使用する
製造ＶＣ置に関するものである。[Detailed Description of the Invention] <Industrial Application Field> The present invention is directed to a smooth force component consisting of a cone-shaped diaphragm and a damper made of a synthetic resin material that are integrally bonded and molded, and which is manufactured by blow molding. It relates to a manufacturing method and a manufacturing VC equipment used for the manufacturing.
〈従米の技術〉
従米この種のスピーカの部品は、それぞれ単品で別々に
製造され、それらを寄せ集めて、アツセンブル工程で、
接着剤による接着によりスピーカに組み立てている。す
なわち、ｆｊＳ１３図において、マグネ′ット（３１ａ
）、センタボール（：］１１３）、プレー｝ （３１ｃ
）等から組み立てた磁気回路（３１）に、７レーム（３
２）を取り付けた磯情部品（３３）を基体として、ボイ
スコイル（８）を磁気空隙（３１ｇ）に保持して、ボイ
スコイルボビン（６）にグンパ（４）の中心穴を挿通し
て、周囲をフレーム（３２）に接着する。更にコーン形
振動板（３６）の中心穴を、ボビン（６）のその上に挿
通し、外周をフレーム（３２）にそれぞれ接着するとと
もに、ボイスフイル（８）の両端を振動板（３６）上で
かしめた八トメ（３７）によって、他端を入力端子に接
続したリード＃ｉ（３８）にハンダ付け接続している。〈Jubei technology〉 The parts of this type of speaker are manufactured separately, and then put together in an assembly process.
It is assembled into a speaker using adhesive. That is, in the fjS13 diagram, the magnet (31a
), center ball (:]113), play} (31c
) etc. to the magnetic circuit (31) assembled from 7 reams (3
Using the Isojo parts (33) with 2) attached as a base, hold the voice coil (8) in the magnetic gap (31g), insert the voice coil bobbin (6) through the center hole of the Gunpa (4), and is glued to the frame (32). Furthermore, insert the center hole of the cone-shaped diaphragm (36) onto the bobbin (6), adhere the outer periphery to the frame (32), and place both ends of the voice fill (8) on the diaphragm (36). The other end is soldered and connected to the lead #i (38) connected to the input terminal using the caulked eight tabs (37).
〈発明が解決しようとする課題〉
従来のこの種のスピーカの組み立で力法は、以上のごと
く、構成部品の一つ一つを順番に組み合わせていたので
、長いベルトコンベヤが必要で、その上、接着工程の数
が多いのでその乾燥のために、広い面積の場所と、時間
を多く要した。したがって、機械化による自動化は不可
能に近い有様で、大量生産は困難であるという問題があ
った。<Problem to be solved by the invention> As described above, in the conventional force method for assembling this type of speaker, each of the component parts was assembled one by one in order, which required a long belt conveyor. Since there are many bonding steps, a large area and a lot of time are required for drying. Therefore, automation through mechanization is nearly impossible, and mass production is difficult.
そこで、本発明はかかる従米の問題，αを解決するため
に、スピーカの情成部品の材質に新規の材料、新規の製
法、装置を採用して、一発成形、一体成形の可能な吹込
み成形法によって、自動化による大量生産を可能ならし
めるスピー力部品と、その製造方法、及び製造ｖｃ置を
提供することを目的とする。Therefore, in order to solve this problem, α, the present invention adopts a new material, a new manufacturing method, and a new device for the information component of the speaker, and uses a blow molding method that enables one-shot molding and integral molding. The object of the present invention is to provide speed parts that can be mass-produced by automation using a molding method, a manufacturing method thereof, and a manufacturing equipment.
く９題を解決するための手段〉
該目的を達成するための本発明の構成を、実施例に対応
する図面を用いて説明すると、弟１発明は、同一の合成
！｛脂材料製のコーン形振動板（３）とダンパ（４）の
それぞれの中心部（３ａ），（４ａ）を連接して一体に
成形したスピーカ部品であり、第２発明は、弟１〜９図
に示すように熱可塑性合成樹脂材料製の円筒状の素材（
２）を、コーン形振動板（３）とグンパ（４）の各々の
中心部（３ａ），（４ａ）において連接せしめて、吹込
み成形金型（２１），（２２）で加熱膨張させて一体に
成形するスピーカ部品製造方法であり、＠３発明は、弟
１〜８図に示すようにコーン形の四面を有する下型（２
１）と、ダンパ（４）のコルデーシ３ンを凸面に有する
上型（２２）からなる成形金型と、成形品の外周をカッ
トするカッタ（２５）とカット台（２４ａ），（２４Ｌ
＋）からなる整形型と、圧搾空気の吹き込み口（２３ａ
）とからなる吹込み成形によるスビー力部品製造装置で
ある。Means for Solving the Nine Problems> The structure of the present invention for achieving the object will be explained using drawings corresponding to the embodiments. {This is a speaker component in which the central parts (3a) and (4a) of a cone-shaped diaphragm (3) and a damper (4) made of a fat material are connected and integrally molded. As shown in Figure 9, a cylindrical material made of thermoplastic synthetic resin material (
2) are connected at the center portions (3a) and (4a) of the cone-shaped diaphragm (3) and gunpa (4), respectively, and heated and expanded using blow molding molds (21) and (22). This is a method for manufacturing a speaker component that is integrally molded, and the @3 invention consists of a lower mold (2) having four cone-shaped sides as shown in Figs.
1), a molding die consisting of an upper mold (22) having the cordesi 3 of the damper (4) on its convex surface, a cutter (25) for cutting the outer periphery of the molded product, and cutting tables (24a), (24L).
+) and a compressed air blowing port (23a
) is a blow molding machine for producing smooth parts.
く作用〉
杢弟１〜３発明は、このような構成としたものであるか
ら、振動板とグンパとが同一材質であり、しがも、熱可
塑性であるので熱による溶融融合が可能であり、両者の
金型を連結させて振動板とダンパを同時に成形が可能と
なる。そして、この金型が吹込み成形金型の場合、上と
下に成形品を連続した態様で取り出すことができる。し
かも、その接続する繋ぎ目は、両端をボイスフイルボビ
ンと略同径の円筒形にすることによって、後の工程にお
いて大変便利を得ることができるのである。Since the inventions 1 to 3 have such a structure, the diaphragm and the gunpa are made of the same material, and since they are thermoplastic, they can be melted and fused by heat. By connecting both molds, it is possible to mold the diaphragm and the damper at the same time. If this mold is a blow molding mold, the molded product can be taken out in a continuous manner from the top and bottom. Moreover, by forming the connecting joint into a cylindrical shape with both ends having approximately the same diameter as the voice fill bobbin, it is possible to obtain great convenience in the subsequent process.
〈実施例〉 以下本発明の実施例について図面に基づいて説明する。<Example> Embodiments of the present invention will be described below based on the drawings.
図中弟１図乃至ｔ５１ ２１ｌは、本第１〜３発明の実
施例を示す図で（従釆例と共通の部分，は共通の付番を
してある）、該実施例において、（１）は円筒状の熱可
塑性合成樹脂材料製の素材（２）を吹込み成形した成形
品で、コーン形振動板部（３）とフルデーシａングンパ
部（４）とからなる。The younger brother figures 1 to t51 to 21l in the figure are diagrams showing embodiments of the first to third inventions (parts common to the subordinate examples are given common numbers), and in the embodiments, (1 ) is a molded product made by blow molding a cylindrical thermoplastic synthetic resin material (2), and consists of a cone-shaped diaphragm part (3) and a full-diameter pump part (4).
前記の両者の繋ぎ目（５）は、素材（２）と同じ径の円
筒状で、後にボイスコイルボビン（６）を挿入して接着
する（ｆ５９図）。The joint (5) between the two is cylindrical with the same diameter as the material (2), and the voice coil bobbin (6) is later inserted and bonded thereto (Fig. f59).
（７）はボイスコイル（８）へ通電するリード線で、吹
込み成形工程の前に金型の上に直径方向に挿通してダン
パｇ（４）にインサート成形してある（ｆｊｒＪ４図）
。このとき、円簡内部において第６図に示すように撓ま
せ゛てあると、後の工程でボイスコイルボビン（６）の
上方で接続する時便である。(7) is a lead wire that conducts electricity to the voice coil (8), which is inserted into the damper g (4) by inserting it diametrically over the mold before the blow molding process (Fig. fjrJ4).
. At this time, if the inside of the circular ring is bent as shown in FIG. 6, it will be convenient to connect it above the voice coil bobbin (6) in a later process.
（１０）はコーン形振動板部（３）に形成した繋ぎ日（
５）の吹込み成形時ｆｆｉ！ｔ用のくびれで、たとえば
十字形に形成してあるとコーン形振動板部（３）とダン
パ部（４）との接続が安定できる。（くびれ（１０）は
、必要あれば後に加熱押圧して溶融圧着した上で、中心
部を打ち抜くとコーン形振動板（３）とグンパ（４）の
連結がより強固かつ確実になる。）そして、ダンパ部（
４）のコルデーシ５ンの外側（１１）と、リード＃Ｘ（
７）に沿った両側をカツトする（ｆ：ｔＳ１１図》と、
コーン形振動板部（３）とグンパ部（４）とが繋ぎ目の
円簡部（５）を介して連結したスピーカ部品（１）が完
成する（第９図）。(10) is the connection point (
5) ffi during blow molding! If the constriction for T is formed, for example, in the shape of a cross, the connection between the cone-shaped diaphragm portion (3) and the damper portion (4) can be stabilized. (If necessary, the constriction (10) can be heated and pressed later to melt and press, and then the center part is punched out to make the connection between the cone-shaped diaphragm (3) and the gunpa (4) stronger and more reliable.) , damper section (
4) outside Cordesi 5 (11) and lead #X (
7) Cut both sides along (f: tS11 figure),
A speaker component (1) is completed in which the cone-shaped diaphragm portion (3) and the gunpa portion (4) are connected via the circular joint portion (5) (FIG. 9).
ｆｊＳ２図は製造用金型の図で、使用法を説明すると、
（２１ａ），（２Ｈ＋）は表面にコーン形の四部を形成
した分割雌金型（２１）で、中心穴（２１ｃ）の内壁に
前記のくびれ（１０）を形成する凸ｎ（１２）を設けて
ある。（２２ａ），（２２１））は下面にダンパ（４）
のフルデーションを形成した分割雄金型（２２）である
。fjS2 diagram is a diagram of the manufacturing mold, and to explain how to use it,
(21a) and (2H+) are split female molds (21) with four cone-shaped parts formed on the surface, and a convex n (12) forming the aforementioned constriction (10) is provided on the inner wall of the center hole (21c). There is. (22a), (221)) have a damper (4) on the bottom surface.
This is a split male mold (22) in which a fuldation is formed.
上方に配置した押し出しｆｆｉ（２３）から、円筒状の
素材（２）を前記の金型（２１），（２２）の中心穴（
２１ｃ），（２２ｃ ）内に押し出し、前記のりードＭ
（７）を間に挾んで（弟１図），（弟７図）、上下両金
型（２１），（２２）を合わせて組み合わせると、前記
の金型（２１）の凸部（１２）によって円筒状素材（２
）の先端が押圧されて十字形のくびれ（１０）が形成さ
れる。From the extrusion ffi (23) placed above, the cylindrical material (2) is inserted into the center hole (
21c), (22c), and the above-mentioned glued M
When the upper and lower molds (21) and (22) are combined with (7) in between (younger brother figure 1) and (younger brother figure 7), the convex part (12) of the die (21) is formed. Cylindrical material (2
) is pressed to form a cross-shaped constriction (10).
しかして、萌記の押し出しＦｌ（２３）に設けた吹き込
み口（２３ａ ）から圧搾空気を金型内に吹き込むと、
円筒状の素材（２）が高温度で軟化しているところへ吹
き込まれる圧搾空気によって膨張して金型（２１），（
２２）に沿った形態に成形される（第４図），（ｆｆｉ
Ｇ図）。冷却してから金型（２１．），（２２）を左右
に分離して押し出しｆｆｉ（２３）を朝１くと、成形品
はリード線（７）をグンパ部（４）にインサートした状
態で金型（２１）．（２２）から下へ下がり、次の素材
（２）が金型（２１），（２２）の内部に挿入されて次
の吹込み成形工程の準備が完了する（ｆ５５図）。However, when compressed air is blown into the mold from the blowing port (23a) provided in Moeki's extrusion Fl (23),
The cylindrical material (2) is softened at high temperature and expands with compressed air, forming a mold (21), (
22) (Fig. 4), (ffi
Figure G). After cooling, the molds (21.) and (22) are separated into left and right sides and extruded. When the ffi (23) is turned on in the morning, the molded product is with the lead wire (7) inserted into the gunpa part (4). Mold (21). (22), the next material (2) is inserted into the molds (21) and (22), and preparation for the next blow molding process is completed (Figure f55).
このようにして、連続して成形品が取り出される。In this way, molded products are continuously taken out.
取り出された成形品は分割カット台（２４ａ），（２４
［＋）に載せてカッタ（２５）によって振動板（：｛）
の外周（１１）でカットすると、前記したように、コー
ン形振動板部（３）とグンパ部（４）とが繋ぎ口の円筒
部（５）を介して連結したスピーカ部品（１）が完成す
る（第８図）。The taken out molded product is split into cutting tables (24a) and (24).
Place it on [+] and use the cutter (25) to cut the diaphragm (:{)
When cut at the outer periphery (11), the speaker part (1) is completed, in which the cone-shaped diaphragm part (3) and the gunpa part (4) are connected via the cylindrical part (5) of the joint, as described above. (Figure 8).
このようにして完成したスピーカ部品（１）は、ｆｊＳ
１２図に示すように、マグネッ｝ （３１ａ）、センタ
ボール（３１ら）、プレート（３１ｃ）！＄がら組み立
てた磁気回路（３１）に、７レーム（３２）を取り付け
た機構部品（３３）を基体として次のように組み立てる
ことができる。．ボイスコイル（８）のボビン（６）を
コーン形振動板（３）の中心部の円筒状の繋ぎ目（５）
に挿入して接着する（ｆｊＳ９，１０図）と、振動板（
３）、ダンパ（４）、ボイスコイル（８）をそれぞれ関
係位置を保持した振動系（４１）が完成する。この振動
Ｍ（４１）を、ボイスコイル（８）を磁気空隙（３１ｇ
）に保持して、グンパ（４）の周囲をフレーム（３２）
に接着する。更にコーン形振動板（３）の外周をフレー
ム（３２）にそれぞれ接着するとともに、ボイスフイル
（８）の両端をボビン（６）の上方で、他端を入力端子
に接続した、グンパ（４）にインサートされたリード線
（７）にハング付け接続する（ＰｔＳ１０図）。The speaker part (1) completed in this way is fjS
As shown in Figure 12, a magnet} (31a), a center ball (31 et al.), a plate (31c)! It is possible to assemble the magnetic circuit (31) assembled using $100,000 using the mechanism component (33) with seven frames (32) attached as a base in the following manner. ．． Connect the bobbin (6) of the voice coil (8) to the cylindrical joint (5) in the center of the cone-shaped diaphragm (3).
When inserted into the diaphragm and glued (fjS9 and 10), the diaphragm (
3), a vibration system (41) is completed in which the damper (4) and voice coil (8) are held in their respective relative positions. This vibration M (41) is passed through the voice coil (8) through the magnetic air gap (31g
) and frame (32) around Gunpa (4).
Glue to. Furthermore, the outer periphery of the cone-shaped diaphragm (3) is glued to the frame (32), and both ends of the voice fill (8) are connected to the gunpa (4) above the bobbin (6) and the other end is connected to the input terminal. Connect to the inserted lead wire (7) by hanging (Fig. PtS10).
以上本発明の代表的と思われる実施例について説明した
が、本発明は必ずしもこれらの実施例の構成及び方法の
みに限定されるものではなく、本発明にいう枯成要件を
備え、かつ本発明にいう目的を達成し、以下にいう効果
を有する範囲内において適宜改変して実施することがで
きるものである。Although the embodiments considered to be representative of the present invention have been described above, the present invention is not necessarily limited to the configurations and methods of these embodiments. This invention can be implemented with appropriate modifications within the scope of achieving the objectives mentioned above and having the effects mentioned below.
く発明の効果〉
以上の説明から既に明らかなように本ｆ５１発明は、こ
のような構成としたものであるから、振動板とグンパと
が同一材質であり、しかも、熱可塑性であるので熱によ
る溶＠融合が可能であり、両者の金型を連続させて同時
に吹込み成形が可能となり、精密な仕上がり寸法のスビ
ー力部品の自動化、成械化ができるので、大量生産が容
易にできる。そして、吹込み成形金型（こよって上と下
に成形品を連続した！Ｂ様で取り出すことができる。
しかも、その接続する繋ぎ口は、ボイスコイルボビンと
略同径の円筒形にすることによって、後の工程において
大変便利を得ることができるのである。Effects of the Invention> As is clear from the above description, the f51 invention has such a structure, so the diaphragm and the gunpa are made of the same material, and moreover, they are thermoplastic, so they are not easily affected by heat. Melting @ fusion is possible, and simultaneous blow molding is possible by connecting both molds, and automation and machining of smooth parts with precise finished dimensions is possible, making mass production easy. Then, the molded product can be removed from the blow molding mold (thereby, the molded product can be removed from the upper and lower parts in a continuous manner!B).
Moreover, by making the connecting port cylindrical with approximately the same diameter as the voice coil bobbin, it is possible to obtain great convenience in subsequent steps.
第２発明においては、円匍状の熱可塑性合成用上材料製
素材から、吹込み成形法による一発成形によって、コー
ン形振動板とダンパと繋ぎ口とが一体になった振動系の
基本となるスビー力部品を、精密に、かつコストを低く
多量に完成することができる製造方法である。In the second invention, the basic structure of a vibration system in which a cone-shaped diaphragm, a damper, and a connecting port are integrated is created by one-shot molding using a blow molding method from a circular thermoplastic synthetic top material. This is a manufacturing method that allows for the production of large quantities of durable parts with high precision and low cost.
第３発明は、入手容易な熱可塑性介成樹ｊ財材料を利眉
して、簡単なｈη造の金型を組み合わせて、吹込み成形
によって、スピーカの振ｒＥＪ系を製造コストを低くお
さえて、大量生産でさる製造装置である。The third invention utilizes easily available thermoplastic resin materials, combines a simple hη-shaped mold, and blow molds to reduce the manufacturing cost of the speaker's vibration rEJ system. This is a manufacturing device for mass production.
以上のとおり、本第１〜３発明は種々の実用上の顕著な
効果を期待することができるに至ったのである。As described above, the first to third inventions can be expected to have various significant practical effects.
第１〜１２図は本発明の実施例の説明図である。１１図
は吹込み成形金型と押し出し磯と素材とリード線の関係
位置を示す分解断面図、第２図は同金型の外観図、第３
図：よ弟１図の作業開始時の関係位置を示す断面図、第
４図は圧搾空気を吹き込んだ時点の断面図、ｉ５図は最
初のショット完了後の段階を示す断面図、第６図は次の
ショット完了後の段階を示す断面図、第７図は第６図の
次のショット完了後の段階を示す断面図、ｆ５８図は縁
切り抜き時の成品を示す断面図、第９図は吹込み成形完
了成品の断面図、弟１０図は振ｍｈ系部の完成断面図、
第１１図はグンパ部のみを抽出した外観図、第１２図は
本発明スピーカ部品を使用した構造を示す断面図、１１
３図は一般のスピーカの構造を示す断面図である．
図中、（２）は素材、（３）は振動板、（３ａ）は振動
板の中心部、（４）はグンパ、（４ａ）グンパの中心部
、（２１）は下型金型、（２２）上型金型、（２３ａ）
２気吹き込み口、（２４ａ），（２４ｂ）はカット台、
（２５）はカツタである。
第３図
Ｎ1 to 12 are explanatory diagrams of embodiments of the present invention. Figure 11 is an exploded cross-sectional view showing the relative positions of the blow molding mold, extrusion rock, material, and lead wire, Figure 2 is an external view of the same mold, and Figure 3
Figures: Cross-sectional view showing the relative positions at the start of work in Figure 1, Figure 4 is a cross-sectional view when compressed air is blown, Figure i5 is a cross-sectional view showing the stage after the first shot is completed, Figure 6 is a sectional view showing the stage after the next shot is completed, Fig. 7 is a sectional view showing the stage after the completion of the next shot in Fig. 6, f58 is a sectional view showing the finished product when edge cutting is completed, and Fig. A cross-sectional view of the completed blow molded product, the younger figure 10 is a completed cross-sectional view of the shaken mh system part,
Fig. 11 is an external view extracting only the Gunpa part, Fig. 12 is a sectional view showing the structure using the speaker parts of the present invention, Fig. 11
Figure 3 is a cross-sectional view showing the structure of a general speaker. In the figure, (2) is the material, (3) is the diaphragm, (3a) is the center of the diaphragm, (4) is Gunpa, (4a) is the center of Gunpa, (21) is the lower mold, ( 22) Upper mold, (23a)
2 air blowing ports, (24a) and (24b) are cutting tables,
(25) is a katsuta. Figure 3 N
Claims (1)
ダンパ（４）のそれぞれの中心部（３ａ）、（４ａ）を
連接して一体に成形したスピーカ部品。 ［２］熱可塑性合成樹脂材料製の円筒状の素材（２）を
、吹込み成形金型（２１）、（２２）で加熱膨張させて
、コーン形振動板（３）とダンパ（４）の各々の中心部
において連接せしめて、一体に成形するスピーカ部品製
造方法。 ［３］コーン形の凹面を有する下型（２１）と、ダンパ
（４）のコルゲーションを凸面に有する上型（２２）か
らなる成形金型と、成形品の外周をカットするカッタ（
２５）とカット台（２４ａ）、（２４ｂ）からなる整形
型と、圧搾空気の吹き込み口（２３ａ）とからなる吹込
み成形によるスピーカ部品製造装置。[Claims] [1] A speaker component in which the central parts (3a) and (4a) of a cone-shaped diaphragm (3) and a damper (4) made of the same synthetic resin material are connected and integrally formed. . [2] A cylindrical material (2) made of thermoplastic synthetic resin material is heated and expanded using blow molding molds (21) and (22) to form a cone-shaped diaphragm (3) and a damper (4). A method of manufacturing speaker parts in which each part is connected at the center and molded as one piece. [3] A molding die consisting of a lower mold (21) having a concave cone surface and an upper mold (22) having a convex corrugation of the damper (4), and a cutter (21) for cutting the outer periphery of the molded product.
25), a shaping mold consisting of cutting tables (24a) and (24b), and a blow-molding blow molding inlet (23a) for blowing compressed air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1116562A JP2775170B2 (en) | 1989-05-10 | 1989-05-10 | Method and apparatus for manufacturing speaker component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1116562A JP2775170B2 (en) | 1989-05-10 | 1989-05-10 | Method and apparatus for manufacturing speaker component |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02295300A true JPH02295300A (en) | 1990-12-06 |
| JP2775170B2 JP2775170B2 (en) | 1998-07-16 |
Family
ID=14690184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1116562A Expired - Fee Related JP2775170B2 (en) | 1989-05-10 | 1989-05-10 | Method and apparatus for manufacturing speaker component |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2775170B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008124589A (en) * | 2006-11-09 | 2008-05-29 | Asahi Kasei Fibers Corp | Speaker damper |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57148997U (en) * | 1981-03-14 | 1982-09-18 |
-
1989
- 1989-05-10 JP JP1116562A patent/JP2775170B2/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57148997U (en) * | 1981-03-14 | 1982-09-18 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008124589A (en) * | 2006-11-09 | 2008-05-29 | Asahi Kasei Fibers Corp | Speaker damper |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2775170B2 (en) | 1998-07-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4489019A (en) | Method for producing a longitudinal molding with nonuniform sections | |
| JPH02295300A (en) | Speaker component and its manufacturing method | |
| JP2003277085A (en) | Optical parts having a plurality of glass optical elements and method for manufacturing the same | |
| JP2011105019A (en) | Method for manufacturing plastic product and apparatus of the same | |
| CN204761695U (en) | A casing, vibrating diaphragm subassembly and speaker for moulding plastics vibrating diaphragm | |
| JPH06364B2 (en) | INTECOMNI HOLD AND METHOD FOR PRODUCING THE SAME | |
| US5407377A (en) | Miniature toy football helmet and method of making | |
| CN108773023A (en) | A kind of ball-shaped toy processing injection mold | |
| JPS58217330A (en) | Manufacture of shape with hollow section | |
| JPH04175100A (en) | Manufacture of resin film molding die and diaphragm using the same | |
| US20060070975A1 (en) | Bottle with grooves on an inner side and injection molding method for making the bottle | |
| JP3293093B2 (en) | Mirror rice cake molded container and method for producing the same | |
| JP3383020B2 (en) | Manufacturing method of hollow resin molded product | |
| JPH0158991B2 (en) | ||
| JPH0716356A (en) | Doll molding method | |
| JPH04162025A (en) | Joining aspherical lens | |
| TWM605688U (en) | Glass straw and shaping mechanism thereof | |
| JPS5889343A (en) | Manufacture of thermosetting resin molded product | |
| JPH0716944A (en) | Method and apparatus for molding hollow product | |
| JPH01319396A (en) | Diaphragm for speaker | |
| JPS6342300A (en) | Manufacture of speaker diaphragm | |
| JPS60116416A (en) | Manufacture of blank body of vessel made of synthetic resin | |
| JPH01200900A (en) | Speaker diaphragm and its manufacture | |
| JPH1158437A (en) | Method for manufacture of molded item with fine hollow conduit | |
| JPH0744008Y2 (en) | Coil bobbin |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |