【発明の詳細な説明】本発明は、コンピューター関連機器95通信関連機器、
家電機器及び遊戯機器等に使用される各種押釦スイッチ
用押釦の製造方法に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention provides computer-related equipment 95 communication-related equipment,
This invention relates to a method of manufacturing push buttons for various push button switches used in home appliances, play equipment, etc.
この種押釦スイッチは、例えば、第1図に示すように、
比較的硬い例えば合成樹脂製の押釦頂部成形体1と、と
の押釦頂部成形体1に当接また、は固着されていて全体
が例えばホーン状をなすゴム状弾性体よシ成る成形体2
と、該成形体2の内空部天井に固着された導電片3とか
ら・成っていて、離間配置された導電パターン4a、4
bを有する例えばプリント基板4上に、導電片3が導電
パターン4a、4bと対向するように成形体2を数例け
ることにより、使用状態に組立てられるようになってい
る。従って、押釦頂部成形体1を矢印方向に押圧すれば
、ホーン状成形体2(は潰れて導電片3は導電パターン
4a、4’bに圧接し、導電パターーン4 a、 4
’o間を短絡して図示しない回路をスイッチ・オンする
。また押釦頂部成形体1への押圧を解除すれば、成形体
2は原形に復帰して再び図示の状態に戻り、導電パター
ン4a、4b間を離開状態となして、図示しない回路を
スイッチ・オフせしめる。This type of push button switch is, for example, as shown in FIG.
A relatively hard push button top molded body 1 made of, for example, synthetic resin, and a molded body 2 made of a rubber-like elastic body having a horn shape as a whole, which is in contact with or fixed to the push button top molded body 1.
and a conductive piece 3 fixed to the ceiling of the inner cavity of the molded body 2, and conductive patterns 4a, 4 spaced apart.
By placing several molded bodies 2 on, for example, a printed circuit board 4 having a conductive piece 3 facing the conductive patterns 4a and 4b, the molded body 2 can be assembled into a state of use. Therefore, when the push button top molded body 1 is pressed in the direction of the arrow, the horn-shaped molded body 2 (is crushed and the conductive pieces 3 are pressed against the conductive patterns 4a, 4'b, and the conductive patterns 4a, 4
'o is shorted and a circuit (not shown) is switched on. Furthermore, when the pressure on the push button top molded body 1 is released, the molded body 2 returns to its original shape and returns to the state shown in the drawing, which separates the conductive patterns 4a and 4b and switches off the circuit (not shown). urge
以上(d押釦スイッチ1個を例にとって1′(イ)示例
説したが、実際には、との押釦スイッチは縦横に多数個
隣接して配列された状態で使用に供される場合が多いた
め、例えば第2図に示すように、成形体2は板状体へに
突起を配列した如き状態で所定個数一度に形成され、こ
れをプリント基板4上に整合させた彼、押釦頂部成形体
1を各成形体2上に載f(f: +遊嵌または17着さ
せ、最後に各押釦頂部成形体1の]′l+ r<II突
起1aに嵌合する多数の透孔5をイアする化粧板Bを被
冠、して、プリント基板、1と板状体Aと化粧板Bとを
取イ」けネジ6等により −外的に固定することにより
、製品として完成される0このように多数の押釦スイッチが隣接配置された状態で
使用される場合には、機能上、導νL バター74aお
よび4b、成形体2.押釦頂部成形体1゜透孔5がそれ
ぞれ一線上に整合することが要求されるが、従来の成形
体1および2を別々に製作する方法においては、成形体
2上に押釦頂部成形体1を載置または遊嵌する構成の場
合は組立てに多くの時間を要するばかりか部品管理や検
査工程が多様化して好ましくなく、又成形体2に押釦頂
部成形体1を接着する構成の場合は成形体1と2を接着
するための下紐工程が必要となるばかり、か接着剤の表
面何着による汚れや寸法の狂いが生じ易く製品の歩出り
が悪くなると云う欠点があった。Above, we have explained 1'(a) by taking one d pushbutton switch as an example, but in reality, many pushbutton switches are often used in a state where they are arranged adjacent to each other vertically and horizontally. For example, as shown in FIG. 2, a predetermined number of molded bodies 2 are formed at once in a state in which protrusions are arranged on a plate-like body, and these are aligned on a printed circuit board 4. is placed on each molded body 2 (f: +loosely fitted or 17), and finally a number of through holes 5 are made to fit into the protrusions 1a of each push button top molded body 1. Cover the board B, remove the printed circuit board 1, the board A and the decorative board B, and fix them externally with screws 6, etc. to complete the product. When a large number of push button switches are used in a state where they are arranged adjacent to each other, it is functionally necessary for the guide νL butters 74a and 4b, the molded body 2, the push button top molded body 1, and the through hole 5 to be aligned in a straight line. However, in the conventional method of manufacturing the molded bodies 1 and 2 separately, if the push button top molded body 1 is placed or loosely fitted onto the molded body 2, it takes a lot of time to assemble. Otherwise, parts management and inspection processes become diversified, which is undesirable.In addition, in the case of a structure in which the push button top molded body 1 is bonded to the molded body 2, a lower strap process for bonding the molded bodies 1 and 2 is required, and There is a drawback that the surface of the adhesive tends to become dirty and the dimensions become distorted due to repeated wear, resulting in poor product yield.
更に、別途成形された押釦頂部成形体1を従来の押釦ス
イッチを成形するだめの型内に挿入して成形一体化接着
する方法の場合には、押釦頂部成形体1の接合面以外の
面部分の」二に成形原利料が薄膜状に再現性のない状態
で流れ込み、そのために仕上げか可能な状態であったと
しても、その仕上げ工程に多くの労を要すると云う欠点
があった。Furthermore, in the case of a method in which a separately molded push button top molded body 1 is inserted into a mold for molding a conventional push button switch and integrally bonded, the surface portion of the push button top molded body 1 other than the joint surface Second, the molding raw material flows in a thin film in a non-reproducible manner, and even if finishing is possible, the finishing process requires a lot of effort.
本発明は、上述の如きこの種従来の押釦スイッチ装置の
有する欠点を除去し得る押釦の製造方法を提供せんとす
るものであるが、以下図示した実施例に基づき、第1図
及°び第2図に示したのと実質上同一の部品及び部分に
は同一符号を付してこれを詳述すれば、第3図において
、7は二つの押釦頂部成形体1を所定の間隔1ノを置い
て連接保持するため各押釦頂部成形体1を囲む外枠部7
aと該外枠γ’ili 7 aと押釦頂部成形体1とを
連結する腹数の連結部7bとを有する保持部分て、これ
ら押釦頂部成形体1と保持部7と(d合成樹脂および/
せ/こは金目で予め一体成形される。f’I]ち、合成
樹脂の場合は、ポリエチレノテレフタレート、ボリデト
ジメチレンテレフクンート、その他のポリエステル、
66−、l−イロン、71−イロン、6ナイロン。The present invention aims to provide a method for manufacturing a pushbutton that can eliminate the drawbacks of this type of conventional pushbutton switch device as described above. Substantially the same parts and portions as shown in FIG. 2 are given the same reference numerals and will be described in detail. In FIG. An outer frame part 7 surrounding each push button top molded body 1 for placing and holding the push button top part 1
a and a connecting portion 7b connecting the outer frame γ'ili 7a and the push button top molded body 1.
Se/ko is pre-molded with gold grain. f'I] In the case of synthetic resins, polyethylene terephthalate, boridet dimethylene terephthalate, other polyesters,
66-, l-ylon, 71-ylon, 6-nylon.
その他のポリアミド、ポリカーボネート、ボリイζ1・
、ボリンエニレンオキザイド、或い:dこれらの変成体
4だ(はと!′1らを含む鼓型合体等の耐:j+、 ゛
1g15熱川グl性面脂、カラス繊瀦1′その他の無機
質せ/こけ金1’jsカーボンブランク等の充填剤で補
強され/こ、(巻11」塑性捷た一熱硬化性合成樹脂が
用いらね、公知の射出成形仄−または射出反此、成形法
(RM C’)等により成形され、金(−4の場合は、
エツチング法。Other polyamides, polycarbonates, Bollyζ1・
, borine enylene oxide, or :d These metamorphoses are 4 (Resistance of drum-shaped combinations, etc., including Dove!'1 etc.: j+, ゛1g15 Atagawa Glycan greasy, Karasu fiber 1' Other inorganic materials/Kokekin 1'jsReinforced with fillers such as carbon blanks/(Volume 11) Plastically deformed thermosetting synthetic resin is not used, and the well-known injection molding or injection molding method is used. , molding method (RM C'), etc., and gold (-4 in the case of
Etching method.
ダイカストθく、パンチング法等により成形される。It is molded by die-casting, punching, etc.
これらの成形体は形成後必要に応じ化学メッキ。These molded bodies are chemically plated as necessary after forming.
電解メッキ、蒸着メソギア或いはスパッタリングやイオ
ンプレーティング等でメッキが施されてもよい。Plating may be performed by electroplating, vapor deposition mesogear, sputtering, ion plating, or the like.
第4図において’18,9.10は押釦頂部成形体1を
収容し得るキャビティ部分11aと成形体2を成形し得
るキャビティ部分1111)とを有する押釦スイッチ用
押釦の成形用キャビティ11.11と、喰い切り刃様部
分12において実質上保持部分7の連結部7bの厚さに
対応する間隙を介して上記押釦成形用キャビティ11と
連通していて保持部分7の外枠部7aと連結部7bとを
収容し得るキャビティ13とを第3図に示した成形体に
対応して配設した三枚型であるが、押釦頂部成形体1の
配列間隔りは、成形用キャビティ11の配列間隔に金型
材と押釦頂部成形体1の構成拐との熱膨張率をjJIJ
味した寸法で決められる。なお、この金型には、図示し
てないが、スプール、ランナー。In Fig. 4, '18, 9.10 is a cavity 11.11 for molding a push button for a push button switch, which has a cavity part 11a that can accommodate the push button top molded body 1 and a cavity part 1111 that can mold the molded body 2. , the cutting blade-like portion 12 communicates with the push button molding cavity 11 through a gap substantially corresponding to the thickness of the connecting portion 7b of the holding portion 7, and the outer frame portion 7a of the holding portion 7 and the connecting portion 7b. This is a three-piece type in which cavities 13 capable of accommodating molded bodies 1 are arranged corresponding to the molded bodies shown in FIG. The coefficient of thermal expansion between the mold material and the structure of the push button top molded body 1 is jJIJ
You can decide based on the size you taste. Although not shown, this mold includes a spool and a runner.
フラソンユの喰い切り構造、突き出しピン等か必要によ
り設けられる。Frasonille's cut-out structure, ejector pins, etc. may be provided as necessary.
次に第3図に示した成形体と第4図に示した金型とを用
いて押印スイッチ用押釦の製造方法を説明する。第4図
はキャビティ11.13内て第3図に示したtJ、[1
き予め用意された成形体を挿入した状卯を示しているが
、この成形体の挿入は金型1゜を金を9から1η1(間
することにより行われる。この場合、押釦11:i f
sl(成形体1の下面1a(第4図では]二側になる)
には、必要に応じて接着剤7またはカプリング剤すたは
プライマー処j:jlが施される。又キャビティ部分]
、]、bの底面11b′上には必要に1ノドじて予め用
、はされた導電片3を仕込むこともできる。゛このよつ
VCして、押釦]′L″1部成形体1と保持部分7とを
含むj5M形体をキャビティ11内に挿入しプζ後キャ
ビディ11のキャビティ部分1 ] ’D内に、硬化後
コム状弾性を呈する原料が充填されてIglJ着j′6
めされ、呵9j化状態で必要なだけ加1.Eされて(I
J、(化するが、この際、]介い明り刃様部分12によ
り、押釦1↓′[部成形体lと保持815分7との切断
およびキャピテイ13内へ流出して硬化したゴム状弾・
il1体部分とホーン状成形体2との切断が行われる。Next, a method of manufacturing a push button for a stamp switch will be explained using the molded body shown in FIG. 3 and the mold shown in FIG. 4. Figure 4 shows tJ, [1
The figure shows a state in which a molded body prepared in advance has been inserted, and the molded body is inserted by inserting the molded body 1° into the metal mold 9 to 1η1 (in this case, push button 11: i f
sl (lower surface 1a of molded body 1 (in Fig. 4) is the second side)
An adhesive 7, a coupling agent, or a primer treatment j:jl is applied as necessary. Also, cavity part]
If necessary, a conductive piece 3, which has been cut out in advance, can be placed on the bottom surface 11b' of the plate 11b'.゛Press the VC and press the button] ``L'' Insert the j5M shape including the one-part molded body 1 and the holding part 7 into the cavity 11. The raw material exhibiting comb-like elasticity is then filled and the IglJ arrives at j'6.
Add as much as necessary in the 9j state. E (I
J, (at this time, the blade-like part 12 cuts the push button 1↓' [part molded body l and the holding part 815/7, and the rubber bullet flows out into the cavity 13 and hardens.・
The il1 body portion and the horn-shaped molded body 2 are cut.
かくして金11714を開けば、第5図に示す如き押釦
スイッチ用押釦が二個取り出される。この工程は、射出
成形、加圧注入成形、圧縮成形の何れの方法によっても
実施され得る。When the gold 11714 is opened in this way, two push buttons for push button switches as shown in FIG. 5 are taken out. This step can be carried out by injection molding, pressure injection molding, or compression molding.
一般に、加熱されて可塑化状態となる原料としては、ポ
リテトラメチレンテレフタレート及びその変成体、スチ
レンーブクジエン熱可塑性ポ、リマー。In general, raw materials that become plasticized by heating include polytetramethylene terephthalate and its modified products, and styrene-bucdiene thermoplastic polymers and remers.
ポリ塩化ビニール等の熱1丁塑性ゴム状弾性を呈する合
成樹脂があり、又冷却されて可塑化状1嶺となるか或い
は練りにより僅かに加温されて加端化状態となる原料と
しては、7リコーンゴム、ニトリルゴム、フテルコム、
フタジエンゴム、ウレタンコム、インプレンゴム、エチ
レンープロピレンゴム4(Lm it。There are synthetic resins such as polyvinyl chloride that exhibit plastic rubber-like elasticity when heated, and raw materials that become plasticized when cooled or become rounded when slightly warmed by kneading. 7 Recone rubber, nitrile rubber, Ftelcom,
Phtadiene rubber, urethane rubber, imprene rubber, ethylene-propylene rubber 4 (Lmit.
ム、アクリル酸コム、その他17(1”t’l ’に
V ’)コンゴムコンパウン′ド、二液性の液状ウレタ
ンゴムIQ 料等が挙げられる。従って、第4図に示さ
れる金型は使用されるべき原料の種類によって冷却され
たり加熱されたりして使用される。図示した実施例では
、押釦頂部成形体1とキャビティ部分11aとがゆるく
嵌合するようにキャビティ11が形成されているが、こ
の寸法は、間隔りの決宇の場合と同(,12金型、(オ
と押釦頂部成形体1の構成層との熱1jl引、、)+′
を加味して決定される。又実施例では、金桿ノー二層1
′77肖貴であるが、二層或いは四層’ttllt造で
あっても良< ’It!rにI!IV!定されない。キ
ャビティ1:3は型数9に設けられても良い。com, acrylic acid com, and 17 others (in 1"t'l')
V') Container rubber compounds, two-component liquid urethane rubber IQ materials, and the like. Therefore, the mold shown in FIG. 4 is used while being cooled or heated depending on the type of raw material to be used. In the illustrated embodiment, the cavity 11 is formed so that the push button top molded body 1 and the cavity portion 11a are loosely fitted, but the dimensions of the cavity 11 are the same as in the case of the spacing (12 molds). , (heat 1jl subtraction between O and the constituent layers of the push button top molded body 1, ,)+'
Determined by taking into account. In addition, in the embodiment, the metal rod no two layers 1
It's a '77 model, but it can also be a two- or four-layer structure. I to r! IV! Not determined. Cavities 1:3 may be provided in nine molds.
以」−1実細例では、押釦スイッチ用押、D11を二個
取りする場合について説明したが、三個取り以上のもの
にすることができることは云う贅でもなく、又11i、
話用r 屯弓’用その他の機器のセットに心安な押釦配
列や金型における取り数やキャビティの割り振りに都合
の良いような配列にすることができることは云う捷でも
ない。更に、押釦の色違いの配色配列に適するように金
型を作ることも出来るし、押釦を二体以上に分かれた形
で成形するようにすることも11■能である。又金型の
喰い切り刃碌部分12の)l’) J’Uやキャビティ
部分11bとキャビティ13との連通路となるべき間隙
の大きさは、使用されるべき原利別、取り数、成杉機能
力等により決定されるが、この金型構迄によれば、型締
め圧力、射出注入圧力、仕込み或いは射出、注入量を制
御するだけで、押釦頂部成形体の表面を汚染したり或い
は被憶するような薄パリは生じない。Hereinafter, in the detailed example 1, the case where the push button switch D11 is provided with two pieces is explained, but it is needless to say that it can be made with three or more pieces, and 11i,
Needless to say, it is possible to create a push button arrangement that is safe for the set of other equipment, and an arrangement that is convenient for the number of holes in the mold and the allocation of cavities. Furthermore, it is possible to make a mold suitable for the different color arrangement of the push buttons, and it is also possible to mold the push buttons into two or more parts. Also, the size of the gap that should serve as a communication path between J'U of the cutting edge portion 12 of the mold and the cavity portion 11b and the cavity 13 will depend on the raw material to be used, the number of cavities, and the size of the gap. This is determined by Sugi's functional ability, etc., but with this mold structure, by simply controlling the mold clamping pressure, injection pressure, preparation or injection, and injection amount, there is no possibility of contaminating the surface of the push button top molded product. There is no thinning like you remember.
上述の如く、発明によれば、押釦頂部成形体に対するホ
ーン形のゴム状弾性成形体の成形と接着とが金型内で同
時に行われるのみならず、製品取出し時押釦頂部成形体
と上記ゴム状弾性成形体、との接合部外周に形成される
フラッシュ部が確実に切断、除去され得る。又押釦頂部
成形体が、押釦スイッチの押釦配列単位或いは金型の取
り数にそってブロックを形成したもので仕込みができる
ので、押釦スイッチ用押釦の成形操作を極めて合理化し
得るし、自動化装置の簡略化も容易であり、仕上げ処理
も殆んど必要としない製品を再現性良く犬h;i−生産
することができる。As described above, according to the invention, not only is the horn-shaped rubber-like elastic molded body molded and bonded to the push-button top molded body simultaneously performed in the mold, but also the push-button top molded body and the rubber-like elastic molded body are bonded together when the product is taken out. The flash portion formed on the outer periphery of the joint with the elastic molded body can be reliably cut and removed. In addition, since the push button top molded body can be prepared by forming blocks according to the push button array unit of the push button switch or the number of molds, the molding operation of the push button for the push button switch can be extremely streamlined, and the automation equipment can be It is easy to simplify, and products that require almost no finishing treatment can be produced with good reproducibility.
第1図は本発明方法により製造されるべき押釦スイッチ
の一構造例を示す縦断面図、第2図は本発明方法により
製造されるべき押釦スイッチの実用例を示す分解斜視図
、第3図は押釦頂部成形体とその保持部分とを含む成形
体の平面図、第4図(d不発明方法を実施するだめの成
形金型の一例を示ず縦N’+i面図、第5図は本発明方
法、により製造されだ押釦スイソナ用押釦の斜視図であ
る。1・・・・押釦頂部成形体、2・・・・ゴム状軒性体よ
り成る成形体、7・・・・保1寺部分、、8,9,1.
0・・・・金型(三枚型)、11・・・・押釦スイッチ
用押釦の成形用キャビティ、12・・・・喰い切り刃部
分、13・・・・押釦スイッチ用押釦の成形用キャビテ
イ外のギャビテイ。オ■FIG. 1 is a vertical cross-sectional view showing an example of the structure of a push-button switch to be manufactured by the method of the present invention, FIG. 2 is an exploded perspective view showing a practical example of the push-button switch to be manufactured by the method of the present invention, and FIG. FIG. 4 is a plan view of a molded body including a press button top molded body and its holding portion; FIG. 1 is a perspective view of a push button for a push button swissona produced by the method of the present invention. 1... Push button top molded body, 2... Molded body made of a rubber-like eaves body, 7... Holder 1. Temple part, 8, 9, 1.
0... Mold (three-piece type), 11... Cavity for molding the push button for the push button switch, 12... Cutting blade portion, 13... Cavity for molding the push button for the push button switch Gabity outside. O■
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58030360AJPS59157924A (en) | 1983-02-25 | 1983-02-25 | Method of producing pushbutton for pushbutton switch |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58030360AJPS59157924A (en) | 1983-02-25 | 1983-02-25 | Method of producing pushbutton for pushbutton switch |
| Publication Number | Publication Date |
|---|---|
| JPS59157924Atrue JPS59157924A (en) | 1984-09-07 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58030360APendingJPS59157924A (en) | 1983-02-25 | 1983-02-25 | Method of producing pushbutton for pushbutton switch |
| Country | Link |
|---|---|
| JP (1) | JPS59157924A (en) |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61140009A (en)* | 1984-12-12 | 1986-06-27 | 信越ポリマ−株式会社 | Push button switch |
| JPS63143832U (en)* | 1987-03-12 | 1988-09-21 | ||
| JPS63299026A (en)* | 1987-05-29 | 1988-12-06 | Yamashiro Seiki Seisakusho:Kk | Keyboard switch and its manufacture |
| JPH0311509A (en)* | 1989-06-08 | 1991-01-18 | Taisei Plus Kk | Push button and manufacturing thereof |
| JPH0583347A (en)* | 1991-09-20 | 1993-04-02 | San Aroo Kk | Illumination type key |
| JPH08227628A (en)* | 1995-11-13 | 1996-09-03 | Taisei Plus Kk | Control panel including push button and manufacture thereof |
| JP2007529949A (en)* | 2004-03-17 | 2007-10-25 | センステック カンパニー,リミテッド | Cell phone keypad assembly and method for manufacturing the keypad |
| JP2010108850A (en)* | 2008-10-31 | 2010-05-13 | Shin Etsu Polymer Co Ltd | Method of manufacturing member for push-button switch, and member for push-button switch |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61140009A (en)* | 1984-12-12 | 1986-06-27 | 信越ポリマ−株式会社 | Push button switch |
| JPS63143832U (en)* | 1987-03-12 | 1988-09-21 | ||
| JPS63299026A (en)* | 1987-05-29 | 1988-12-06 | Yamashiro Seiki Seisakusho:Kk | Keyboard switch and its manufacture |
| JPH0311509A (en)* | 1989-06-08 | 1991-01-18 | Taisei Plus Kk | Push button and manufacturing thereof |
| JPH0583347A (en)* | 1991-09-20 | 1993-04-02 | San Aroo Kk | Illumination type key |
| JPH08227628A (en)* | 1995-11-13 | 1996-09-03 | Taisei Plus Kk | Control panel including push button and manufacture thereof |
| JP2007529949A (en)* | 2004-03-17 | 2007-10-25 | センステック カンパニー,リミテッド | Cell phone keypad assembly and method for manufacturing the keypad |
| JP2010108850A (en)* | 2008-10-31 | 2010-05-13 | Shin Etsu Polymer Co Ltd | Method of manufacturing member for push-button switch, and member for push-button switch |
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