JPH0411088B2 - - Google Patents
Info
- Publication number
- JPH0411088B2 JPH0411088B2 JP61174286A JP17428686A JPH0411088B2 JP H0411088 B2 JPH0411088 B2 JP H0411088B2 JP 61174286 A JP61174286 A JP 61174286A JP 17428686 A JP17428686 A JP 17428686A JP H0411088 B2 JPH0411088 B2 JP H0411088B2
- Authority
- JP
- Japan
- Prior art keywords
- sealing material
- mold
- cavity
- valve body
- valve
- 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.)
- Expired - Lifetime
Links
- 239000003566 sealing material Substances 0.000 claims description 42
- 229920003002 synthetic resin Polymers 0.000 claims description 11
- 239000000057 synthetic resin Substances 0.000 claims description 11
- 238000000465 moulding Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000001746 injection moulding Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
Description
【発明の詳細な説明】
〔発明の目的〕
（産業上の利用分野）
本発明は、例えば自動車などのベンチレータの
ダクトを開閉するシヤツターバルブの成形方法に
関する。DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial Field of Application) The present invention relates to a method for molding a shutter valve for opening and closing a duct of a ventilator in, for example, an automobile.
（従来の技術）
従来、シヤツターバルブの形成にあたつては、
例えば実開昭54−27558号公報に示される方法が
用いられている。(Prior art) Conventionally, when forming a shutter valve,
For example, the method disclosed in Japanese Utility Model Application Publication No. 54-27558 is used.
この方法は、第９図に示すように、バルブ本体
１を射出成形によつて成形し、また、シール材２
に接着剤を塗布するとともにバルブ本体１の形状
に合せて切断し、そして、組立ラインにおいて、
バルブ本体１とシール材２とを接着してシヤツタ
ーバルブを形成するようになつている。 In this method, as shown in FIG. 9, the valve body 1 is molded by injection molding, and the sealing material 2 is
Apply adhesive to the valve body 1 and cut it to match the shape of the valve body 1. Then, on the assembly line,
A shutter valve is formed by bonding a valve body 1 and a sealing material 2.
（発明が解決しようとする問題点）
しかし、上記のような従来のシヤツターバルブ
の形成方法では、シール材２に接着剤を塗布する
とともにバルブ本体１の形状に合せて切断した
後、そのシール材２をバルブ本体１に接着すると
いう作業が必要であり、手間ならびに時間がかか
る問題点があつた。(Problems to be Solved by the Invention) However, in the conventional method for forming a shutter valve as described above, adhesive is applied to the sealing material 2 and the sealing material is cut to fit the shape of the valve body 1. The work of gluing the material 2 to the valve body 1 was required, which caused the problem that it was time-consuming and labor-intensive.
本発明は、上述のような問題点に鑑みてなされ
たもので、バルブ本体とシール材とを成形時に一
体化することにより、手間ならびに時間を削減す
ることができるシヤツターバルブの成形方法を提
供することを目的とするものである。 The present invention has been made in view of the above-mentioned problems, and provides a shutter valve molding method that can reduce labor and time by integrating the valve body and the sealing material during molding. The purpose is to
（問題点を解決するための手段）
本発明は、ベンチレータ２２のダクト２３を開
閉するシヤツターバルブ２１の成形方法におい
て、シール材１７を金型１１内に配置してその金
型１１のキヤビテイ１５の外縁部にあたる挟み込
み部１６にシール材１７の部分を金型開放後に復
元可能に押しつぶして挟み込み、この金型１１の
キヤビテイ１５内に溶融合成樹脂を射出してキヤ
ビテイ１５内に臨むシール材１７とバルブ本体２
０とを一体化するようにしたものである。
(Means for Solving the Problems) The present invention provides a method for molding a shutter valve 21 for opening and closing a duct 23 of a ventilator 22, in which a sealing material 17 is placed in a mold 11 and a cavity 15 of the mold 11 is formed. A portion of the sealing material 17 is compressed and sandwiched between the pinching portions 16 corresponding to the outer edges of the mold so that it can be restored after opening the mold, and the molten synthetic resin is injected into the cavity 15 of the mold 11 to form the sealing material 17 facing inside the cavity 15. Valve body 2
It is designed to integrate with 0.
（作 用）
本発明では、バルブ本体２０の外縁部のシール
材１７にシヤツターバルブとしてのシール機能を
持たせるために、金型１１のキヤビテイ１５の外
縁部にあたる挟み込み部１６にシール材１７の部
分を金型開放後に復元可能に押しつぶして挟み込
み、この状態で、キヤビテイ１５内に臨むシール
材１７にのみ溶融合成樹脂を射出する。これによ
り、キヤビテイ１５の外縁部のシール材１７に溶
融合成樹脂が浸透するのを防止し、バルブ本体２
０の外縁部のシール材１７のシール機能を損なう
ことなく、バルブ本体２０とキヤビテイ１５に臨
むシール材１７とを一体化する。(Function) In the present invention, in order to provide the sealing material 17 at the outer edge of the valve body 20 with a sealing function as a shutter valve, the sealing material 17 is attached to the sandwiching portion 16 at the outer edge of the cavity 15 of the mold 11. After the mold is opened, the parts are crushed and sandwiched so as to be restorable, and in this state, the molten synthetic resin is injected only to the sealing material 17 facing inside the cavity 15. This prevents the molten synthetic resin from penetrating the sealing material 17 on the outer edge of the cavity 15, and
To integrate a valve body 20 and a sealing material 17 facing a cavity 15 without impairing the sealing function of the sealing material 17 at the outer edge of the valve.
（実施例）
以下、本発明の一実施例の構成を図面を参照し
て説明する。(Example) Hereinafter, the configuration of an example of the present invention will be described with reference to the drawings.
第１図において、１１は金型で、スプール１２
を有する固定型１３と可動型１４とを対設し、そ
の固定型１３には、可動型１４が接合した際に構
成されるキヤビテイ１５が設けられているととも
に、このキヤビテイ１５の周囲に可動型１４に当
接（後述するシール材１７を介して）する挟み込
み部１６が設けられている。 In FIG. 1, 11 is a mold, and a spool 12
A fixed mold 13 and a movable mold 14 are disposed opposite to each other, and the fixed mold 13 is provided with a cavity 15 that is formed when the movable mold 14 is joined, and the movable mold is disposed around this cavity 15. A sandwiching portion 16 is provided that comes into contact with 14 (via a sealing material 17, which will be described later).
そして、この金型１１の固定型１３と可動型１
４の間に、例えば軟質発泡ウレタンシートやネオ
プレンスポンジラバー等からなるシール材１７が
供給配置され、このシール材１７は、固定型１３
のキヤビテイ１５の横幅より広い幅寸法でもつて
長尺の帯状に設けられ、固定型１３の上面に取付
けられたリール台１８にロール状に巻付けられて
おり、そのロール部から下方に繰出されて固定型
１３と可動型１４との間に連続的に供給されるよ
うになつている。 The fixed mold 13 and the movable mold 1 of this mold 11 are
A sealing material 17 made of, for example, a soft urethane foam sheet or neoprene sponge rubber is supplied between the fixed molds 13 and 4.
It is provided in the form of a long band with a width wider than the width of the cavity 15, and is wound in a roll shape around a reel stand 18 attached to the upper surface of the fixed mold 13, and is let out downward from the roll part. It is designed to be continuously supplied between the fixed mold 13 and the movable mold 14.
そうして、シヤツターバルブの製造にあたつて
は、第１図に示すように、型開された固定型１３
と可動型１４との間にシール材１７が供給された
状態で、第２図に示すように、固定型１３と可動
型１４とが型閉され、固定型１３の挟み込み部１
６と可動型１４との間に、キヤビテイ１５の外縁
部のシール材１７の部分が後述する型開後に復元
可能に押しつぶされて挟み込まれる。 In manufacturing the shutter valve, as shown in FIG.
With the sealing material 17 being supplied between the mold 14 and the movable mold 14, the fixed mold 13 and the movable mold 14 are closed as shown in FIG.
6 and the movable mold 14, a portion of the sealing material 17 at the outer edge of the cavity 15 is crushed and sandwiched so that it can be restored after the mold is opened, which will be described later.
次に、第３図に示すように、スプール１２から
熱可塑性合成樹脂の溶融合成樹脂１９を注入する
と、この溶融合成樹脂１９は、シール材１７を注
入側とは反対の可動型１４の型面に押付けてキヤ
ビテイ１５内に充填される。このとき、キヤビテ
イ１５の外縁部のシール材１７の部分は、押しつ
ぶされて挟み込まれているため、溶融合成樹脂が
浸透するのが防止される。 Next, as shown in FIG. 3, when a molten synthetic resin 19 of thermoplastic synthetic resin is injected from the spool 12, the molten synthetic resin 19 spreads over the sealing material 17 on the mold surface of the movable mold 14 opposite to the injection side. The inside of the cavity 15 is filled by pressing it. At this time, the portion of the sealing material 17 at the outer edge of the cavity 15 is crushed and sandwiched, so that the molten synthetic resin is prevented from penetrating.
そして、適度な冷却期間を経て成形が完了し、
キヤビテイ１５内に臨むシール材１７の部分とバ
ルブ本体２０とが一体化される。 After a suitable cooling period, the molding is completed.
The portion of the sealing material 17 facing into the cavity 15 and the valve body 20 are integrated.
そして、第４図に示すように、固定型１３と可
動型１４とが型開されることにより、固定型１３
の挟み込み部１６と可動型１４との間に挟み込ま
れていたシール材１７は押しつぶされる前の状態
に復元する。また、バルブ本体２０と一体化され
たキヤビテイ１５内に臨むシール材１７は、射出
成形時に、溶融合成樹脂１９がシール材１７の内
部に浸透して押しつぶされたままの状態にある。 Then, as shown in FIG. 4, by opening the fixed mold 13 and the movable mold 14, the fixed mold 13
The sealing material 17 that was sandwiched between the sandwiching part 16 and the movable mold 14 is restored to the state before being crushed. Further, the sealing material 17 facing into the cavity 15 integrated with the valve body 20 remains in a crushed state as the molten synthetic resin 19 penetrates into the interior of the sealing material 17 during injection molding.
そして、リール台１８からシール材１７が所定
量繰出され、バルブ本体２０およびシール材１７
の先端側が下方に送出される。 Then, a predetermined amount of the sealing material 17 is fed out from the reel stand 18, and the valve body 20 and the sealing material 17
The tip side is sent out downward.
そして、第５図に示すように、シール材１７を
切断するとともに、バルブ本体２０のスプルー部
分を切断して、第６図に示すような、シヤツター
バルブ２１が成形される。 Then, as shown in FIG. 5, the sealing material 17 is cut and the sprue portion of the valve body 20 is cut to form a shutter valve 21 as shown in FIG. 6.
このようにして成形されたシヤツターバルブ２
１は、バルブ本体２０の外縁部のシール材１７の
シール機能を損なうことなく、バルブ本体２０と
キヤビテイ１５に臨むシール材１７とが一体化さ
れている。 Shutter valve 2 molded in this way
1, the valve body 20 and the seal material 17 facing the cavity 15 are integrated without impairing the sealing function of the seal material 17 on the outer edge of the valve body 20.
第７図および第８図はシヤツターバルブ２１の
使用状態を示し、バルブ本体２０の両端上部に設
けられた支軸２０ａを介してベンチレータ２２の
矩形状のダクト２３内に回動可能に配置され、そ
して、図示しない開閉機構によつてそのダクト２
３を開閉するようになつている。このダクト２３
の閉塞時に、バルブ本体２０の外縁部のシール材
１７がダクト２３の内面に圧接してダクト２３を
閉塞するようになつている。 FIGS. 7 and 8 show the usage state of the shutter valve 21, which is rotatably arranged in the rectangular duct 23 of the ventilator 22 via a support shaft 20a provided at the top of both ends of the valve body 20. , and the duct 2 is opened by an opening/closing mechanism (not shown).
3 to open and close. This duct 23
When the valve body 20 is closed, the sealing material 17 on the outer edge of the valve body 20 comes into pressure contact with the inner surface of the duct 23 to close the duct 23.
また、第４図に示したように、成形されたバル
ブ本体２０およびシール材１７の先端側を下方に
所定量送出することにより、シール材１７が固定
型１３と可動型１４との間に供給されるので、連
続して射出成形することが可能である。 Further, as shown in FIG. 4, the sealing material 17 is supplied between the fixed mold 13 and the movable mold 14 by sending a predetermined amount of the molded valve body 20 and the distal end of the sealing material 17 downward. Therefore, continuous injection molding is possible.
なお、上記実施例では、シール材１７が帯状の
ものでバルブ本体２０の一側面全体と一体化され
る構成であつたが、そのバルブ本体２０の一側面
の中央部分に対応してシール材１７に開口部を設
けて、バルブ本体２０の外縁部のみと一体化させ
るようにしてもよく、その開口部は長尺に設けた
シール材１７に所定間隔毎に設けるようにする。 In the above embodiment, the sealing material 17 is band-shaped and is integrated with the entire one side surface of the valve body 20. Openings may be provided in the valve body 20 so as to be integrated with only the outer edge of the valve body 20, and the openings may be provided at predetermined intervals in the long sealing material 17.
本発明によれば、バルブ本体の外縁部のシール
材にシヤツターバルブとしてのシール機能を持た
せるために、金型のキヤビテイの外縁部にあたる
挟み込み部にシール材の部分を金型開放後に復元
可能に押しつぶして挟み込み、この状態で、キヤ
ビテイ内に臨むシール材にのみ溶融合成樹脂を射
出することにより、キヤビテイの外縁部のシール
材に溶融合成樹脂が浸透するのを防止し、バルブ
本体の外縁部のシール材のシール機能を損なうこ
となく、バルブ本体とキヤビテイに臨むシール材
とを一体化することができ、したがつて、従来の
接着作業を省略し、手間ならびに時間がかからず
に成形することができる。
According to the present invention, in order to give the sealing material on the outer edge of the valve body a sealing function as a shutter valve, the sealing material can be restored to the sandwiched portion at the outer edge of the mold cavity after the mold is opened. In this state, the molten synthetic resin is injected only into the sealing material facing the inside of the cavity, thereby preventing the molten synthetic resin from penetrating into the sealing material on the outer edge of the cavity. The valve body and the sealing material facing the cavity can be integrated without impairing the sealing function of the sealing material. Therefore, the conventional gluing work can be omitted and molding can be done without much effort or time. be able to.
第１図は本発明のシヤツターバルブの成形方法
の一実施例を示すシール材の配置状態の断面図、
第２図はその型閉状態の断面図、第３図その射出
状態の断面図、第４図はその成形後の状態の断面
図、第５図はその切断状態の断面図、第６図はそ
のシヤツターバルブの斜視図、第７図および第８
図はそれぞれ使用状態の斜視図、第９図は従来の
シヤツターバルブの形成方法を示す斜視図であ
る。
１１…金型、１５…キヤビテイ、１６…挟み込
み部、１７…シール材、２０…バルブ本体、２１
…シヤツターバルブ、２２…ベンチレータ、２３
…ダクト。
FIG. 1 is a cross-sectional view of the arrangement of sealing materials showing an embodiment of the shutter valve molding method of the present invention;
Figure 2 is a cross-sectional view of the mold in its closed state, Figure 3 is a cross-sectional view of its injection state, Figure 4 is a cross-sectional view of its molded state, Figure 5 is a cross-sectional view of its cut state, and Figure 6 is a cross-sectional view of its molded state. Perspective views of the shutter valve, Figures 7 and 8.
Each figure is a perspective view of the state of use, and FIG. 9 is a perspective view showing a conventional method of forming a shutter valve. DESCRIPTION OF SYMBOLS 11... Mold, 15... Cavity, 16... Sandwiching part, 17... Seal material, 20... Valve body, 21
... Shutter valve, 22 ... Ventilator, 23
…duct.
Claims (1)
バルブの成形方法において、 シール材を金型内に配置してその金型のキヤビ
テイの外縁部にあたる挟み込み部にシール材の部
分を金型開放後に復元可能に押しつぶして挟み込
み、この金型のキヤビテイ内に溶融合成樹脂を射
出してキヤビテイ内に臨むシール材とバルブ本体
とを一体化することを特徴とするシヤツターバル
ブの成形方法。[Scope of Claims] 1. A method for molding a shutter valve for opening and closing a duct of a ventilator, in which a sealing material is placed in a mold, and a portion of the sealing material is placed in a sandwiching portion corresponding to the outer edge of a cavity of the mold. A method for molding a shutter valve, which comprises crushing and sandwiching the mold so that it can be restored after opening, and injecting molten synthetic resin into the cavity of the mold to integrate the sealing material facing into the cavity with the valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17428686A JPS6330219A (en) | 1986-07-24 | 1986-07-24 | Molding method of shutter valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17428686A JPS6330219A (en) | 1986-07-24 | 1986-07-24 | Molding method of shutter valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6330219A JPS6330219A (en) | 1988-02-08 |
| JPH0411088B2 true JPH0411088B2 (en) | 1992-02-27 |
Family
ID=15976016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17428686A Granted JPS6330219A (en) | 1986-07-24 | 1986-07-24 | Molding method of shutter valve |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6330219A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2519096B2 (en) * | 1988-02-12 | 1996-07-31 | 東京エレクトロン株式会社 | Processing apparatus, resist processing apparatus, processing method, and resist processing method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55109659A (en) * | 1979-02-19 | 1980-08-23 | Kanto Seiki Co | Surface cloth resin molding and its molding method |
-
1986
- 1986-07-24 JP JP17428686A patent/JPS6330219A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55109659A (en) * | 1979-02-19 | 1980-08-23 | Kanto Seiki Co | Surface cloth resin molding and its molding method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6330219A (en) | 1988-02-08 |
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