JPS6018533B2 - Pipe fitting manufacturing equipment - Google Patents
Pipe fitting manufacturing equipmentInfo
- Publication number
- JPS6018533B2 JPS6018533B2 JP753312A JP331273A JPS6018533B2 JP S6018533 B2 JPS6018533 B2 JP S6018533B2 JP 753312 A JP753312 A JP 753312A JP 331273 A JP331273 A JP 331273A JP S6018533 B2 JPS6018533 B2 JP S6018533B2
- Authority
- JP
- Japan
- Prior art keywords
- mold
- movable
- core
- cylindrical
- fixed
- 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
Links
Landscapes
- Control Of Electrical Variables (AREA)
- Power Conversion In General (AREA)
Description
【発明の詳細な説明】
この発明は、様部内周面にシールリング装着用溝をもつ
合成樹脂製管継手の製造菱直に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to the production of a synthetic resin pipe joint having a seal ring mounting groove on the inner circumferential surface of the side part.
合成樹脂製管継手は合成樹脂管から加工したり射出成形
法により成形しているが、射出成形法により合成樹脂製
管継手を製造する方法は同一品種のものを大量に生産出
釆るが、総部内周面にシールリング装着用溝をもつ合成
樹脂製瞥継手の如く、筒状製品の内面全周にわたって比
較的深いアンダーカット部を有するような成形品を製造
する場合、その製造用型の芯型を成型品から離脱させる
ためには、製造用型は極めて複雑な機構が必要となるの
で高価となり、また操作も煩頚となり故障が生じやすい
欠点があった。この発明は、叙上の点に鑑みてなされた
ものであって、後加工で溝を形成することなく、簡単な
機構でシールリング装着用溝をもつ管継手の製造装置を
提供することを目的とする。本発明の要旨は、芯型２と
、その外側に設けられる外型１と、外型１内において芯
型２の麹方向に移動可能になされた筒状補助型３とから
なり、芯型２と外型１とは閉合時筒状型遼Ａを形成し、
筒状型窓Ａに通ずる湯道１２６が外型１に設けられ、外
型１は固定型部１１と移動型部１２からなり、固定型部
１１は固定型本体１１１と移動ブロック１１２から構成
され、移動型部１２は移動型本体１２１と移動ブロック
１２２から構成され、固定型部１１及び移動型部１２の
各移動ブロック１１２，１２２は芯型２の外側に位置し
芯型２の軸万向と直角方向に移動するようになされ、前
記各移動ブロック１１２，１２２が移動して形成される
空間部に前記筒状補助型３が移動挿入されて節状型濁の
外周に環状空間Ｃを形成するようになされ、芯型２には
前記環状空間Ｃに位置する周壁に開口する流体通路２１
が設けられている、管継手の製造装置に存する。Synthetic resin pipe fittings are processed from synthetic resin pipes or molded by injection molding, but the method of manufacturing synthetic resin pipe fittings by injection molding allows large quantities of the same type to be produced. When manufacturing a molded product that has a relatively deep undercut over the entire inner circumference of a cylindrical product, such as a synthetic resin joint that has a seal ring mounting groove on the inner circumference of the entire part, it is necessary to In order to separate the core mold from the molded product, the manufacturing mold requires an extremely complicated mechanism, which makes it expensive, and also has the disadvantage of being cumbersome to operate and prone to failure. This invention has been made in view of the above points, and an object of the present invention is to provide a manufacturing device for a pipe joint having a groove for attaching a seal ring using a simple mechanism without forming a groove in post-processing. shall be. The gist of the present invention is to consist of a core mold 2, an outer mold 1 provided outside the core mold 2, and a cylindrical auxiliary mold 3 movable in the direction of the koji of the core mold 2 within the outer mold 1. and outer mold 1 form a cylindrical mold A when closed,
A runner 126 leading to the cylindrical mold window A is provided in the outer mold 1, the outer mold 1 consists of a fixed mold part 11 and a movable mold part 12, and the fixed mold part 11 consists of a fixed mold main body 111 and a movable block 112. , the movable mold part 12 is composed of a movable mold main body 121 and a movable block 122, and each of the movable blocks 112, 122 of the fixed mold part 11 and the movable mold part 12 is located outside the core mold 2, and is oriented in all directions of the axis of the core mold 2. The cylindrical auxiliary mold 3 is moved and inserted into the space formed by the movement of each of the movable blocks 112 and 122, thereby forming an annular space C around the outer periphery of the nodular mold. The core mold 2 has a fluid passage 21 opening in the peripheral wall located in the annular space C.
A pipe joint manufacturing apparatus is provided with a pipe fitting manufacturing apparatus.
以下、この発明の管継手の製造装置を図面の実施例を参
照しながら説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS The pipe joint manufacturing apparatus of the present invention will be described below with reference to embodiments of the drawings.
１は外型で、固定型部１１と移動型部１２とからなる。Reference numeral 1 denotes an outer mold, which consists of a fixed mold part 11 and a movable mold part 12.
固定型部１１は固定型本体１１１と移動ブロック１１２
から構成され、また移動型部１２も同様に移動型本体１
２１と移動ブロック１２２から構成されている。２は芯
型であり、加圧流体を送給する流体通路２１が設けられ
、この通路２１は芯型２の外周面に閉口２２しており他
端は図示していないがコンブレッサーに連結され必要時
加圧流体が送られるようになされている。The fixed mold part 11 includes a fixed mold main body 111 and a movable block 112.
Similarly, the movable mold part 12 is composed of the movable mold main body 1.
21 and a moving block 122. 2 is a core type, and is provided with a fluid passage 21 for feeding pressurized fluid, this passage 21 has a closed opening 22 on the outer peripheral surface of the core type 2, and the other end is connected to a compressor (not shown). Pressurized fluid is delivered when necessary.
尚、流体通路２１の関口部２２は溶融樹脂が入り込まな
いが加圧流体が通る程度の大きさ、たとえば２／１００
肌／肌程度となされているが、弁を設け必要時閉口する
ようにしてもよい。上記固定型部１ １「移動型部１２
及び芯型２は閉合した場合筒状型商Ａが形成なされるよ
うになっている。The entrance portion 22 of the fluid passage 21 has a size that does not allow the molten resin to enter, but allows the pressurized fluid to pass through, for example, 2/100.
Although it is designed to be skin to skin level, a valve may be provided to close it when necessary. Fixed mold part 1 1 "Movable mold part 12"
When the core mold 2 is closed, a cylindrical mold quotient A is formed.
尚、１２６は筒状型溝Ａ内に溶融樹脂を注入するための
傷道である。固定型部１１の移動ブロック１１２及び移
動型部１２の移動ブロック１２２は芯型２の関口部２２
の外側に位置し、芯型２の軸と直角方向に図示していな
い油圧装置などにより移動し得るようになされている。Note that 126 is a cut hole for injecting molten resin into the cylindrical mold groove A. The movable block 112 of the fixed mold part 11 and the movable block 122 of the movable mold part 12 are connected to the entrance part 22 of the core mold 2.
It is located outside of the core mold 2 and can be moved in a direction perpendicular to the axis of the core mold 2 by a hydraulic device (not shown) or the like.
３は筒状補助型であり、芯型２と同０的に設けられ図示
していない駆動装置により芯型２の軸方向に往復移動す
るようになされている。Reference numeral 3 denotes a cylindrical auxiliary mold, which is provided identically to the core mold 2 and is configured to reciprocate in the axial direction of the core mold 2 by a drive device (not shown).
この筒状補助型３はその軸方向に二分割され、その夫々
３１，３２が固定型部１１、移動型部１２夫々の閉合時
その分割線は固定型部１１と移動型部１２とが閉合した
ときの合せ面に合致するようになされている。尚、１１
４，１２４は筒状補助型３の各半部３１，３２が移動し
たときその先端部を受ける受溝である。次に、この発明
の装置の使用態様を説する。This cylindrical auxiliary mold 3 is divided into two parts in the axial direction, and when the fixed mold part 11 and the movable mold part 12 are closed, the dividing line is the dividing line when the fixed mold part 11 and the movable mold part 12 are closed. It is designed to match the mating surface when In addition, 11
Reference numerals 4 and 124 designate receiving grooves for receiving the tip ends of the respective half portions 31 and 32 of the cylindrical auxiliary mold 3 when they move. Next, the mode of use of the device of this invention will be explained.
先ず、芯型２及び移動型部１２を所定の位置に移動させ
て閉合させ、節状型商Ａを形成する（第１図）。この筒
状型溝Ａ内に図示していない射出成形機から湯道１２６
を通じて溶融樹脂を注入充填し、樹脂筒状体Ｂを成形す
る。樹脂筒状体Ｂが軟化状態にあるうちに、固定型部１
１及び移動型部１２の移動ブロック１１２，１２２を芯
型２の軸と直角方向外側に移動させ、続いて筒状補助型
３を芯型２の鞠方向に移動させ、その先端部を移動ブロ
ック１１２，１２２の移動した空間部に導き、樹脂筒状
体８の外周に周方向に沿って環状空間Ｃを形成させる（
第２図）。尚、環状空間Ｃは芯型２の加圧流体通路２２
の関口部に対応した位置に形成される。図示していない
コンブレッサーから加圧流体を加圧流体通路２１を通じ
て関口部２２から噴出させ、その部分の樹脂筒状体Ｂ壁
を環状空間Ｃに押し拡げ管継手Ｄを形成する（第３図）
。First, the core mold 2 and the movable mold part 12 are moved to a predetermined position and closed to form a knotted mold quotient A (FIG. 1). A runner 126 from an injection molding machine (not shown) is inserted into this cylindrical mold groove A.
Molten resin is injected and filled through the tube to form a resin cylindrical body B. While the resin cylindrical body B is in a softened state, the fixed mold part 1
1 and the movable blocks 112, 122 of the movable mold part 12 are moved outward in the direction perpendicular to the axis of the core mold 2, and then the cylindrical auxiliary mold 3 is moved in the direction of the ball of the core mold 2, and its tip part is moved to the outside in the direction perpendicular to the axis of the core mold 2. 112 and 122 to form an annular space C along the circumferential direction on the outer periphery of the resin cylindrical body 8 (
Figure 2). Note that the annular space C is the pressurized fluid passage 22 of the core mold 2.
It is formed at a position corresponding to the entrance of the gate. Pressurized fluid is ejected from a compressor (not shown) from the entrance part 22 through the pressurized fluid passage 21, and that part of the wall of the resin cylindrical body B is expanded into the annular space C to form the pipe joint D (Fig. 3). )
.
この状態において管継手Ｄを冷却固化させ、移動型部１
２及び芯型２を移動させ型を開き管継手Ｄを取り出す。In this state, the pipe fitting D is cooled and solidified, and the movable mold part 1
2 and core mold 2, open the mold, and take out the pipe fitting D.
第３図の実施例の装置においてもほぼ同様の作動により
管継手Ｄを取り出したのちは、上述の作動とは逆に作動
させ第１図の状態に戻し、以下この作動をサイクル的に
繰返して管継手Ｄを順次製造する。以上のとおり、この
発明装置は、各移動ブロックが芯型の藤と直角方向に移
動して形成される空間に筒状補助型が移動挿入されるか
ら、極めて簡単に筒状型窓の外周に環状空間が形成され
、この環状空間へ加圧流体により筒状型商内に注入した
樹脂を膨出させることができ、従って容易に膨出部即ち
内周面に凹溝をもつ管継手を製造できる。In the apparatus of the embodiment shown in Fig. 3, after taking out the pipe fitting D by almost the same operation, the operation is performed in the opposite direction to the above-mentioned operation to return to the state shown in Fig. 1, and this operation is repeated cyclically. Pipe fittings D are manufactured one by one. As described above, in the device of this invention, the cylindrical auxiliary mold is moved and inserted into the space formed by each movable block moving in a direction perpendicular to the core window. An annular space is formed, and the resin injected into the cylindrical mold can be bulged into this annular space by pressurized fluid. Therefore, it is easy to manufacture a pipe joint with a bulge, that is, a concave groove on the inner peripheral surface. can.
第１図は型閉じ状態を示す部分縦断面図、第２図は環状
空間を形成する状態の部分縦断面図、第３図は管継手を
形成する状態の部分縦断面図、第４図は型開き状態を示
す部分縦断面図、第５図は第１図の０ーロ線における横
断面図である。
１・・・・・・外型、２・・・・・・芯型、３・・・・
・・筒状補助型、１１・・・・・・固定型部、１２・・
・・・・移動型部、１１１・・・・・・固定型本体、１
２１・・・・・・移動型本体、１１２，１２２・・・・
・・移動ブロック。
第１図
第２図
第３図
第４図
第５図Fig. 1 is a partial longitudinal sectional view showing the mold closed state, Fig. 2 is a partial longitudinal sectional view showing the state in which an annular space is formed, Fig. 3 is a partial longitudinal sectional view showing the state in which a pipe joint is formed, and Fig. 4 is a partial longitudinal sectional view showing the state in which a pipe joint is formed. FIG. 5 is a partial vertical cross-sectional view showing the mold opened state, and FIG. 5 is a cross-sectional view taken along the 0-Ro line in FIG. 1... Outer type, 2... Core type, 3...
...Cylindrical auxiliary mold, 11...Fixed mold part, 12...
...Movable part, 111...Fixed main body, 1
21...Movable main body, 112, 122...
...Moving block. Figure 1 Figure 2 Figure 3 Figure 4 Figure 5
Claims (1)
いて芯型の軸方向に移動可能になされた筒補助型とから
なり、芯型と外型とは閉合時筒状型窩を形成し、筒状型
窩に通ずる湯道が外型に設けられ、外型は固定型部と移
動型部からなり、固定型部は固定型本体と移動ブロツク
から構成され、移動型部は移動型本体と移動ブロツクか
ら構成され、固定型部及び移動型部の各移動ブロツクは
芯型の外側に位置し芯型の軸方向と直角方向に移動する
ようになされ、前記各移動ブロツクが移動して形成され
る空間部に前記筒状補助型が移動挿入されて筒状型窩の
外周に環状空間を形成するようになされ、芯型には前記
環状空間に位置する周壁に開口する流体通路が設けられ
ている、管継手の製造装置。1 Consists of a core mold, an outer mold provided on the outer mold, and a cylinder auxiliary mold that is movable in the axial direction of the core mold within the outer mold, and the core mold and the outer mold form a cylindrical mold cavity when closed. A runner is provided in the outer mold that leads to the cylindrical mold cavity.The outer mold consists of a fixed mold part and a movable mold part.The fixed mold part consists of a fixed mold main body and a movable block, and the movable mold part is composed of a fixed mold body and a movable block. It is composed of a movable mold main body and a movable block, and each of the movable blocks of the fixed mold part and the movable mold part is located outside the core mold and moves in a direction perpendicular to the axial direction of the core mold. The cylindrical auxiliary mold is movably inserted into the space formed by the cylindrical mold cavity to form an annular space around the outer periphery of the cylindrical mold cavity, and the core mold has a fluid passage opening in the peripheral wall located in the annular space. Pipe joint manufacturing equipment equipped with
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP753312A JPS6018533B2 (en) | 1972-12-22 | 1972-12-22 | Pipe fitting manufacturing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP753312A JPS6018533B2 (en) | 1972-12-22 | 1972-12-22 | Pipe fitting manufacturing equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4985536A JPS4985536A (en) | 1974-08-16 |
| JPS6018533B2 true JPS6018533B2 (en) | 1985-05-10 |
Family
ID=11553829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP753312A Expired JPS6018533B2 (en) | 1972-12-22 | 1972-12-22 | Pipe fitting manufacturing equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6018533B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0433127B2 (en) * | 1984-01-04 | 1992-06-02 | Murata Manufacturing Co |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5625061Y2 (en) * | 1975-06-20 | 1981-06-12 |
-
1972
- 1972-12-22 JP JP753312A patent/JPS6018533B2/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0433127B2 (en) * | 1984-01-04 | 1992-06-02 | Murata Manufacturing Co |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4985536A (en) | 1974-08-16 |
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