JP3537718B2 - Switching valve for discharging molten material - Google Patents
Switching valve for discharging molten materialInfo
- Publication number
- JP3537718B2 JP3537718B2 JP33363199A JP33363199A JP3537718B2 JP 3537718 B2 JP3537718 B2 JP 3537718B2 JP 33363199 A JP33363199 A JP 33363199A JP 33363199 A JP33363199 A JP 33363199A JP 3537718 B2 JP3537718 B2 JP 3537718B2
- Authority
- JP
- Japan
- Prior art keywords
- valve
- valve block
- flow path
- valve member
- molten material
- 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 - Fee Related
Links
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、プラスチック等の
可塑化材料を可塑化溶融するための加熱シリンダ等と、
成形用の各種ダイあるいは反応機、ペレタイザ等との間
に、いわゆるダイバータバルブとして配設される溶融材
料排出用の切換バルブに関するものである。The present invention relates to a heating cylinder or the like for plasticizing and melting a plasticizing material such as plastic,
The present invention relates to a switching valve for discharging a molten material, which is disposed as a so-called diverter valve between various molding dies or reactors, pelletizers and the like.
【０００２】[0002]
【従来の技術】プラスチック等の成形装置、反応機、ペ
レタイザ等においては、溶融材料であるポリマーを供給
する加熱シリンダ等の可塑化装置と、前記ポリマーを成
形するダイ等との間に切換バルブを配設し、射出や押出
工程の終了時等においては、前記切換バルブによる流路
の切り換えを行なってポリマーを系外へ排出し、ダイ等
に対するポリマーの供給を停止する。2. Description of the Related Art In plastic molding apparatuses, reactors, pelletizers, etc., a switching valve is provided between a plasticizing apparatus such as a heating cylinder for supplying a polymer as a molten material and a die for molding the polymer. At the end of the injection or extrusion process, the flow path is switched by the switching valve, the polymer is discharged out of the system, and the supply of the polymer to the die or the like is stopped.
【０００３】図３は一従来例による溶融材料排出用の切
換バルブを示すもので、これは、図示しない加熱シリン
ダと成形用のダイ等の間にバルブブロック１１０を介在
させ、該バルブブロック１１０を貫通してダイ等に連通
する流路１１１，１１２を、バルブ部材１２０によって
開閉するものである。FIG. 3 shows a switching valve for discharging a molten material according to a conventional example. This valve valve 110 is interposed between a heating cylinder (not shown) and a molding die or the like. The valve members 120 open and close the flow paths 111 and 112 that penetrate and communicate with the die or the like.
【０００４】バルブ部材１２０は、円柱状の本体を有
し、該本体はバルブブロック１１０に設けられた円筒穴
１１０ａ内に摺動自在に嵌合しており、その嵌合部に
は、ポリマーが洩れないようにピストンリング１１０ｂ
が設けられている。バルブ部材１２０には、その断面を
径方向に横断する貫通孔１２１が溶融材料供給用の流路
として設けられ、さらに、バルブ部材１２０の本体の円
筒面に開口し、内部で軸方向に曲げられてバルブ部材１
２０の一端において開口する排出用流路１２２が設けら
れている。The valve member 120 has a cylindrical main body, and the main body is slidably fitted into a cylindrical hole 110a provided in the valve block 110, and a polymer is contained in the fitting portion. Piston ring 110b to prevent leakage
Is provided. The valve member 120 is provided with a through-hole 121 that crosses the cross section in the radial direction as a flow path for supplying a molten material, and further opens in the cylindrical surface of the main body of the valve member 120 and is bent in the axial direction inside. Valve member 1
A discharge flow path 122 that opens at one end of 20 is provided.
【０００５】バルブ部材１２０の一部分はバルブブロッ
ク１１０の外へ突出しており、ここに取り付けたピスト
ン棒１３０を、タイロッド１３１によってバルブブロッ
ク１１０上に支持された流体圧シリンダ１３２によって
往復移動させることで、後述するようなポリマーの流路
切り換えが行なわれる。A part of the valve member 120 protrudes out of the valve block 110, and the piston rod 130 attached thereto is reciprocated by a hydraulic cylinder 132 supported on the valve block 110 by a tie rod 131. The polymer flow path is switched as will be described later.
【０００６】図３の（ａ）に示すように、通常運転にお
いては、バルブ部材１２０の貫通孔１２１とバルブブロ
ック１１０の流路１１１，１１２を連通させた状態で、
加熱シリンダからダイ等へのポリマーの供給が行なわれ
る。このとき排出用流路１２２の開口端は、バルブ部材
１２０の下端に当接する弁座１２３によって閉じられて
いる。As shown in FIG. 3A, in normal operation, the through-hole 121 of the valve member 120 and the flow paths 111 and 112 of the valve block 110 are in communication with each other.
The polymer is supplied from the heating cylinder to the die. At this time, the open end of the discharge flow path 122 is closed by a valve seat 123 that contacts the lower end of the valve member 120.
【０００７】ダイ等に対するポリマーの押出工程が終了
したら、流体圧シリンダ１３２を駆動してバルブ部材１
２０を上昇させ、図３の（ｂ）に示すように、加熱シリ
ンダ側の流路１１１をバルブ部材１２０の排出用流路１
２２に連通させ、弁座１２３との間に形成された流路１
２０ａを経て、弁座１２３の開口１２３ａから外部へ排
出する。このようにして、押出工程以外は溶融材料であ
るポリマーの供給を停止して、ポリマーが流出するのを
防ぐように構成されている。When the process of extruding the polymer to the die or the like is completed, the fluid pressure cylinder 132 is driven and the valve member 1 is driven.
20 is raised, and as shown in FIG. 3 (b), the flow path 111 on the heating cylinder side is set to the discharge flow path 1 of the valve member 120.
22, a flow path 1 formed between the valve seat 123 and the valve seat 123.
After passing through 20a, the air is discharged from the opening 123a of the valve seat 123 to the outside. In this way, the supply of the polymer which is a molten material is stopped except for the extrusion step, and the polymer is prevented from flowing out.
【０００８】[0008]
【発明が解決しようとする課題】しかしながら上記従来
の技術によれば、バルブブロック１１０とバルブ部材１
２０の嵌合部には、バルブブロック１１０の円筒穴１１
０ａ内でバルブ部材１２０を移動させるための微小な隙
間が必要であるから、特に、通常運転中はポリマーが前
記嵌合部の隙間に入り込み、長時間滞留する。このよう
に長時間ポリマーが嵌合部に滞留すると、隙間の中で炭
化し、固化されて、バルブ部材１２０を摺動させるため
の隙間が無くなってしまい、その結果、バルブ切換動作
が阻害され、最終的には、バルブ部材１２０が動かなく
なる。However, according to the prior art, the valve block 110 and the valve member 1 are used.
20 is fitted into the cylindrical hole 11 of the valve block 110.
Since a minute gap for moving the valve member 120 within 0a is necessary, particularly during normal operation, the polymer enters the gap in the fitting portion and stays for a long time. When the polymer stays in the fitting portion for a long time in this way, the gap is carbonized and solidified in the gap, and there is no gap for sliding the valve member 120. As a result, the valve switching operation is hindered, Eventually, the valve member 120 stops moving.
【０００９】本発明は上記従来の技術の有する未解決の
課題に鑑みてなされたものであり、バルブブロックに対
してバルブ部材が密着されており、両者の間にポリマー
等の溶融材料が侵入してバルブの動作不良が生じるおそ
れがなく、従って、高性能で信頼性が高く、しかも構造
が簡単で長寿命である溶融材料排出用の切換バルブを提
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 unsolved problems of the prior art. A valve member is in close contact with a valve block, and a molten material such as a polymer enters between the two. Accordingly, it is an object of the present invention to provide a switching valve for discharging a molten material that does not cause a malfunction of the valve, and therefore has high performance, high reliability, simple structure, and long life.
【００１０】[0010]
【課題を解決するための手段】上記の目的を達成するた
めに本発明の溶融材料排出用の切換バルブは、溶融材料
を導入する流入側流路および前記溶融材料を吐き出す流
出側流路を有するバルブブロックと、前記バルブブロッ
クの一端面にそれぞれ面した連通流路形成凹所と排出流
路形成凹所を備えたバルブ部材と、前記バルブ部材を前
記バルブブロックの前記端面に沿って第１および第２の
位置へ交互に移動させるための駆動手段と、前記バルブ
部材を前記バルブブロックの前記端面に弾力的に押圧す
るための付勢手段を有し、前記バルブブロックの前記流
入側流路と前記流出側流路が前記バルブブロックの前記
端面に開口しており、前記バルブ部材が前記第１の位置
にあるときに前記連通流路形成凹所によって前記バルブ
ブロックの前記流入側流路と前記流出側流路が互いに連
通し、前記バルブ部材が前記第２の位置にあるときに前
記排出流路形成凹所が前記バルブブロックの前記流入側
流路に連通するように構成されていることを特徴とす
る。In order to achieve the above object, a switching valve for discharging a molten material according to the present invention has an inflow side channel for introducing the molten material and an outflow side channel for discharging the molten material. A valve block, a valve member provided with a communication flow path forming recess and a discharge flow path forming recess respectively facing one end surface of the valve block, and the valve member along the end surface of the valve block. Drive means for alternately moving to a second position; and biasing means for elastically pressing the valve member against the end face of the valve block; and the inflow side flow path of the valve block; The outflow side flow path opens at the end face of the valve block, and the flow path of the valve block is formed by the communication flow path forming recess when the valve member is in the first position. A side flow path and the outflow side flow path communicate with each other, and the discharge flow path forming recess communicates with the inflow side flow path of the valve block when the valve member is in the second position. It is characterized by being.
【００１１】バルブブロックが、バルブ部材を前記バル
ブブロックの端面に沿って摺動自在に支持するバルブガ
イドを有し、前記バルブガイドと一体である押え板がサ
ラバネによって前記バルブ部材を前記バルブブロックの
前記端面に押圧するように構成されているとよい。The valve block has a valve guide for slidably supporting the valve member along the end face of the valve block, and a presser plate integrated with the valve guide holds the valve member by a flat spring. It is good to be comprised so that it may press on the said end surface.
【００１２】[0012]
【作用】バルブブロックの端面に対してバルブ部材を弾
力的に押圧し、密着させた状態で摺動させることによっ
て、流路の切り換えが行なわれる。バルブブロックとバ
ルブ部材の間に隙間がないため、溶融材料が隙間に入り
込んで固化し、いわゆるポリマー等の焼けによってバル
ブ部材の移動が阻害され、動作不良等を起こすおそれが
ない。The flow path is switched by elastically pressing the valve member against the end face of the valve block and sliding it in a close contact state. Since there is no gap between the valve block and the valve member, the molten material enters the gap and solidifies, so that the movement of the valve member is hindered by burning of so-called polymer or the like, and there is no possibility of causing a malfunction.
【００１３】加えて、バルブ部材の側面に連通流路形成
凹所や排出流路形成凹所を設けた簡単な構造であり、長
期間良好で信頼性の高い切換動作を期待できる。In addition, it has a simple structure in which a communication flow path forming recess and a discharge flow path forming recess are provided on the side surface of the valve member, and a switching operation which is good and reliable for a long time can be expected.
【００１４】[0014]
【発明の実施の形態】本発明の実施の形態を図面に基づ
いて説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described with reference to the drawings.
【００１５】図１は一実施の形態による溶融材料排出用
の切換バルブを示すもので、これは、押出機の加熱シリ
ンダ等の可塑化装置と、成形用のダイの間に配設される
バルブブロック１０を有する。バルブブロック１０は方
形の断面を有し、可塑化装置から押し出される溶融材料
であるポリマーを受け入れる導入側の流入側流路１１
と、前記ダイにポリマーを供給する吐出側の流出側流路
１２を備えており、バルブブロック１０の図示左側の側
面１０ａには導入側の流入側流路１１の一端が開口し、
反対側の図示右側の側面１０ｂには吐出側の流出側流路
１２の一端が開口しており、両流路１１，１２は、バブ
ルブロック１０内でその一端面である底面１０ｃに向か
って曲折し、流入側流路１１と流出側流路１２が並んで
バルブブロック１０の底面１０ｃに開口する。FIG. 1 shows a switching valve for discharging a molten material according to an embodiment, which is a valve disposed between a plasticizing device such as a heating cylinder of an extruder and a molding die. It has a block 10. The valve block 10 has a square cross section, and an inflow channel 11 on the introduction side for receiving a polymer which is a molten material extruded from the plasticizing apparatus.
And an outlet-side flow channel 12 for supplying a polymer to the die, and one end of the inlet-side flow channel 11 is opened on the left side surface 10a of the valve block 10 in the figure,
One end of the discharge-side outflow passage 12 is opened on the opposite side surface 10b on the opposite side in the drawing, and both the passages 11 and 12 are bent toward the bottom surface 10c as one end face in the bubble block 10. Then, the inflow side flow path 11 and the outflow side flow path 12 are aligned and open to the bottom surface 10 c of the valve block 10.
【００１６】バルブ部材２０は、後述する付勢手段によ
ってバルブブロック１０の底面１０ｃに密着した状態で
摺動し、バルブブロック１０に導入されたポリマーの流
路の切り換えを行なうもので、バルブ部材２０の上向き
の側面には、前述のようにバルブブロック１０の底面１
０ｃに並んで開口する流入側流路１１と流出側流路１２
を互いに連通させるための連通流路形成凹所２１と、流
入側流路１１のみに連通する排出流路形成凹所２２と、
排出流路形成凹所２２のポリマーを系外へ排出するため
の排出口２３を備えている。The valve member 20 is slid in a state of being in close contact with the bottom surface 10c of the valve block 10 by an urging means which will be described later, and the flow path of the polymer introduced into the valve block 10 is switched. On the upward side surface of the valve block 10 as described above.
An inflow side channel 11 and an outflow side channel 12 that open in parallel with 0c
A communication channel forming recess 21 for communicating with each other, a discharge channel forming recess 22 communicating only with the inflow side channel 11,
A discharge port 23 is provided for discharging the polymer in the discharge flow path forming recess 22 out of the system.
【００１７】バルブブロック１０の底面１０ｃには、一
対のバルブガイド１３ａが固着されており、各バルブガ
イド１３ａには、バルブ部材２０の一対の支持部２０ａ
を摺動自在に支持する押え板１３ｂと、押え板１３ｂと
バルブブロック１０の底面１０ｃとの間でバルブ部材２
０の支持部２０ａを弾力的に挟持するための付勢手段で
あるサラバネ１３ｃが設けられている。A pair of valve guides 13a are fixed to the bottom surface 10c of the valve block 10, and a pair of support portions 20a of the valve member 20 are attached to each valve guide 13a.
A pressure plate 13b that slidably supports the valve member 2 and the valve member 2 between the pressure plate 13b and the bottom surface 10c of the valve block 10.
A flat spring 13c, which is an urging means for elastically holding the zero support portion 20a, is provided.
【００１８】すなわち、バルブ部材２０は、サラバネ１
３ｃの付勢力により押え板１３ｂを介してバルブブロッ
ク１０の底面１０ｃに対して弾力的に押圧されて密着
し、バルブブロック１０とバルブ部材２０との間に隙間
を生じないように構成されている。That is, the valve member 20 is made of the flat spring 1
3c is configured to be elastically pressed and tightly contact with the bottom surface 10c of the valve block 10 through the presser plate 13b by the urging force 3c so that no gap is generated between the valve block 10 and the valve member 20. .
【００１９】バルブ部材２０の一端には、バルブ部材２
０をバルブブロック１０の底面１０ｃに沿って矢印Ｒで
示す方向に摺動させるための駆動手段である流体圧シリ
ンダ３０が設けられる。流体圧シリンダ３０のピストン
棒３１は、リンク３２を介してバルブ部材２０の突出部
２０ｂに結合されており、バルブ部材２０を往復移動さ
せることで、以下のようにポリマーの流路切り換えを行
なう。One end of the valve member 20 is connected to the valve member 2.
A fluid pressure cylinder 30 is provided as a driving means for sliding 0 in the direction indicated by the arrow R along the bottom surface 10 c of the valve block 10. The piston rod 31 of the fluid pressure cylinder 30 is coupled to the protruding portion 20b of the valve member 20 via the link 32, and the flow path of the polymer is switched as follows by moving the valve member 20 back and forth.
【００２０】まず、通常運転中は、バルブ部材２０が図
１に示す第１の位置にあり、バルブ部材２０の連通流路
形成凹所２１によってバルブブロック１０の流入側流路
１１と流出側流路１２が互いに連通した状態にある。従
って、加熱シリンダ等から押し出されるポリマーがバル
ブブロック１０を通ってダイに供給される。First, during normal operation, the valve member 20 is in the first position shown in FIG. 1, and the inflow side flow path 11 and the outflow side flow of the valve block 10 are formed by the communication flow path forming recess 21 of the valve member 20. The roads 12 are in communication with each other. Accordingly, the polymer extruded from the heating cylinder or the like is supplied to the die through the valve block 10.
【００２１】運転終了時には、流体圧シリンダ３０が駆
動され、バルブ部材２０はバルブブロック１０の底面１
０ｃに沿って、図２に示す第２の位置へ移動する。この
状態で、バルブブロック１０の流入側流路１１はバルブ
部材２０の排出流路形成凹所２２に開口し、流出側流路
１２はバルブ部材２０の側面によって閉鎖される。その
結果、流入側流路１１に流入したポリマーは排出流路形
成凹所２２を経て排出口２３から系外へ排出される。成
形サイクル等を再開するときは流体圧シリンダ３０を逆
駆動し、バルブ部材２０を図１の位置へ移動させる。At the end of the operation, the fluid pressure cylinder 30 is driven and the valve member 20 is moved to the bottom surface 1 of the valve block 10.
It moves along the line 0c to the second position shown in FIG. In this state, the inflow side flow path 11 of the valve block 10 opens into the discharge flow path forming recess 22 of the valve member 20, and the outflow side flow path 12 is closed by the side surface of the valve member 20. As a result, the polymer that has flowed into the inflow side flow path 11 is discharged from the discharge port 23 to the outside through the discharge flow path forming recess 22. When restarting the molding cycle or the like, the fluid pressure cylinder 30 is reversely driven to move the valve member 20 to the position shown in FIG.
【００２２】通常運転中、バルブ部材２０はサラバネ１
３ｃの付勢力によってバルブブロック１０の底面１０ｃ
に密着している。このために、バルブブロック１０とバ
ルブ部材２０の間には隙間がなく、両者の間にポリマー
が侵入して焼けを起こすことによってバルブの切換動作
が不良になる等のトラブルはない。また、バルブ部材２
０をバルブブロック１０に当接し、サラバネ１３ｃによ
って密着させた状態を維持しながら、バルブ部材２０を
移動させて切り換えを行なうものであるため、流路の切
換作業を迅速かつスムーズに行なうことができるという
利点を有する。During normal operation, the valve member 20 is driven by the spring spring 1.
The bottom surface 10c of the valve block 10 by the urging force of 3c
It is in close contact with. For this reason, there is no gap between the valve block 10 and the valve member 20, and there is no trouble that the switching operation of the valve becomes defective due to the polymer entering between them and causing burning. The valve member 2
Since the switching is performed by moving the valve member 20 while maintaining 0 in contact with the valve block 10 and being brought into close contact with the flat spring 13c, the switching operation of the flow path can be performed quickly and smoothly. Has the advantage.
【００２３】本実施の形態によれば、従来例のようにバ
ルブブロックの円筒穴にバルブ部材を嵌合させる構成に
比べて、バルブ部材の嵌合部に侵入したポリマーの焼け
によって切換動作が不良になる等のトラブルがない。従
って、高性能で信頼性が高く、しかも、バルブ部材の片
側に連通流路形成凹所や排出流路形成凹所を設けた極め
て簡単な構造であるから、製造コストも低く、メンテナ
ンスも簡単で、長寿命であるという数多くの長所を有す
る切換バルブを実現できる。According to the present embodiment, the switching operation is poor due to the burning of the polymer that has entered the fitting portion of the valve member, compared to the configuration in which the valve member is fitted into the cylindrical hole of the valve block as in the conventional example. There is no trouble such as. Therefore, it has high performance and high reliability, and also has a very simple structure with a communication flow path formation recess and a discharge flow path formation recess on one side of the valve member, so manufacturing costs are low and maintenance is easy. Therefore, it is possible to realize a switching valve having many advantages such as long life.
【００２４】[0024]
【発明の効果】本発明は上述のとおり構成されているの
で、次に記載するような効果を奏する。Since the present invention is constructed as described above, the following effects can be obtained.
【００２５】バルブブロックに対してバルブ部材を密着
させ、両者の間に隙間のない状態で切換作業が行なわれ
るため、バルブブロックとバルブ部材の間に侵入したポ
リマーによる動作不良等のトラブルを起こすおそれがな
い。Since the switching operation is performed with the valve member in close contact with the valve block and there is no gap between the two, there is a risk of causing malfunction such as malfunction due to polymer entering between the valve block and the valve member. There is no.
【００２６】また、バルブ部材の側面に連通流路形成凹
所と排出流路形成凹所を設けた簡単な構成であるから、
メンテナンス等も簡単で、長期間良好で信頼性の高いバ
ルブ性能を維持することができる。In addition, since the side surface of the valve member is a simple structure provided with a communication channel forming recess and a discharge channel forming recess,
Maintenance and the like are also easy, and the valve performance can be maintained for a long time with good reliability.
【図１】一実施の形態による溶融材料排出用の切換バル
ブを示すもので、（ａ）は垂直方向の一断面を示す模式
断面図、（ｂ）は（ａ）のＡ−Ａ線に沿った断面図であ
る。1A and 1B show a switching valve for discharging a molten material according to an embodiment, in which FIG. 1A is a schematic sectional view showing one section in a vertical direction, and FIG. 1B is taken along line AA in FIG. FIG.
【図２】図１の装置のポリマー排出のために切換動作を
行なった後の状態を示すもので、（ａ）は垂直方向の一
断面を示す模式断面図、（ｂ）は（ａ）のＡ−Ａ線に沿
ってとった断面図である。2 shows a state after the switching operation for discharging the polymer of the apparatus of FIG. 1, wherein (a) is a schematic cross-sectional view showing one vertical cross section, and (b) is a cross-sectional view of (a). It is sectional drawing taken along the AA line.
【図３】一従来例による切換バルブを説明する図であ
る。FIG. 3 is a diagram illustrating a switching valve according to a conventional example.
１０ バルブブロック １０ｃ 底面 １１ 流入側流路 １２ 流出側流路 １３ａ バルブガイド １３ｂ 押え板 １３ｃ サラバネ ２０ バルブ部材 ２１ 連通流路形成凹所 ２２ 排出流路形成凹所 ２３ 排出口 ３０ 流体圧シリンダ 10 Valve block 10c Bottom 11 Inflow channel 12 Outflow channel 13a Valve guide 13b Presser plate 13c Sarabane 20 Valve member 21 Communication channel formation recess 22 Discharge channel formation recess 23 Discharge port 30 Fluid pressure cylinder
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) B29C 47/00 - 47/96 F16K 11/06 - 11/065 ──────────────────────────────────────────────────── ─── Continued from front page (58) Fields surveyed (Int.Cl. 7 , DB name) B29C 47/00-47/96 F16K 11/06-11/065
Claims (2)
および前記溶融材料を吐き出す流出側流路（１２）を有
するバルブブロック（１０）と、前記バルブブロックの
一端面（１０ｃ）にそれぞれ面した連通流路形成凹所
（２１）と排出流路形成凹所（２２）を備えたバルブ部
材（２０）と、前記バルブ部材を前記バルブブロックの
前記端面に沿って第１および第２の位置へ交互に移動さ
せるための駆動手段（３０）と、前記バルブ部材を前記
バルブブロックの前記端面に弾力的に押圧するための付
勢手段（１３ｃ）を有し、前記バルブブロックの前記流
入側流路と前記流出側流路が前記バルブブロックの前記
端面に開口しており、前記バルブ部材が前記第１の位置
にあるときに前記連通流路形成凹所によって前記バルブ
ブロックの前記流入側流路と前記流出側流路が互いに連
通し、前記バルブ部材が前記第２の位置にあるときに前
記排出流路形成凹所が前記バルブブロックの前記流入側
流路に連通するように構成されていることを特徴とする
溶融材料排出用の切換バルブ。1. An inflow channel for introducing a molten material (11)
And a valve block (10) having an outflow side channel (12) for discharging the molten material, a communication channel forming recess (21) and a discharge channel forming recess respectively facing one end surface (10c) of the valve block. A valve member (20) having a location (22), drive means (30) for moving the valve member alternately to the first and second positions along the end face of the valve block, and the valve There is an urging means (13c) for elastically pressing a member against the end face of the valve block, and the inflow side flow path and the outflow side flow path of the valve block open to the end face of the valve block. When the valve member is in the first position, the inflow side flow path and the outflow side flow path of the valve block communicate with each other by the communication flow path forming recess, and the valve portion There changeover valve for molten material discharged, characterized in that it is configured such that the discharge passage formed recess when in the second position is communicated with the inflow side flow passage of the valve block.
ルブブロックの端面に沿って摺動自在に支持するバルブ
ガイド（１３ａ）を有し、前記バルブガイドと一体であ
る押え板（１３ｂ）がサラバネ（１３ｃ）によって前記
バルブ部材を前記バルブブロックの前記端面に押圧する
ように構成されていることを特徴とする請求項１記載の
溶融材料排出用の切換バルブ。2. The valve block has a valve guide (13a) that slidably supports a valve member along an end face of the valve block, and a presser plate (13b) integrated with the valve guide has a flat spring (13). The switching valve for discharging a molten material according to claim 1, wherein the valve member is pressed against the end face of the valve block according to 13c).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33363199A JP3537718B2 (en) | 1999-11-25 | 1999-11-25 | Switching valve for discharging molten material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33363199A JP3537718B2 (en) | 1999-11-25 | 1999-11-25 | Switching valve for discharging molten material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001150516A JP2001150516A (en) | 2001-06-05 |
| JP3537718B2 true JP3537718B2 (en) | 2004-06-14 |
Family
ID=18268216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP33363199A Expired - Fee Related JP3537718B2 (en) | 1999-11-25 | 1999-11-25 | Switching valve for discharging molten material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3537718B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202011106715U1 (en) * | 2011-10-12 | 2012-01-19 | Maag Pump Systems Gmbh | Device for distributing a plastic melt |
| CN107244055B (en) * | 2017-07-21 | 2023-08-29 | 四川业峰塑业有限公司 | Production system of spiral noise reduction pipe |
| WO2020262480A1 (en) * | 2019-06-26 | 2020-12-30 | 株式会社プラ技研 | Flexible tube manufacturing device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0673892B2 (en) * | 1990-11-09 | 1994-09-21 | 株式会社三葉製作所 | Extrusion-coated wire rod color changing device and color changing method |
| JP2977997B2 (en) * | 1992-05-13 | 1999-11-15 | 東海興業株式会社 | Molding and manufacturing method thereof |
-
1999
- 1999-11-25 JP JP33363199A patent/JP3537718B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2001150516A (en) | 2001-06-05 |
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