JP2009050895A - Degassing device, pressure receiving valve, and method for stably operating valve - Google Patents

Degassing device, pressure receiving valve, and method for stably operating valve Download PDF

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JP2009050895A
JP2009050895A JP2007220525A JP2007220525A JP2009050895A JP 2009050895 A JP2009050895 A JP 2009050895A JP 2007220525 A JP2007220525 A JP 2007220525A JP 2007220525 A JP2007220525 A JP 2007220525A JP 2009050895 A JP2009050895 A JP 2009050895A
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pressure receiving
valve
pressure
valve rod
receiving valve
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JP5099420B2 (en
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Itsuki Morikawa
巖 森川
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DIE ENGINEERING KK
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a degassing device used for vacuum die casting, and to provide a method for stably operating a valve, with which reliability in the operation of valves used for the device, particularly, in a pressure receiving valve can be improved, and productivity in die casting can be improved. <P>SOLUTION: The degassing device is provided with a pressure receiving valve 3 operated by the impulsive load of a molten metal M made to flow into a degassing groove 10 from a cavity, and a lever 9 transferring the movement of the valve to a closing valve 6, and is also provided with a connection port 12 from a lever chamber 19 communicating with the valve to an air feed circuit. The pressure receiving valve is composed of a pressure receiving bush 5 and a pressure receiving valve rod 4. The pressure receiving valve rod comprises a valve part 4b at the lower side of a barrel part 4a and a flange 4c restricting sliding at the upper side. The pressure receiving bush is provided with a pouring basin 5b at the lower side of a cylindrical part 5a and a communication path 14 at the upper side, a space with the barrel part of the valve rod is provided with a connection path 13 communicating with the communication path, thus, the passing-through of air is made possible in an opening state where the valve part is rushed into the pouring basin, and, even when there is vibration in die closing or the like, the pressure receiving valve rod in the pressure receiving valve is pressed in an opening direction with air pressure so as to maintain the opening state. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

この発明は、ダイカスト金型に用いるガス抜き装置と、そのガス抜き装置に用いる受圧バルブ、及びガス抜き装置におけるバルブ安定作動方法に関する。   The present invention relates to a gas venting device used in a die casting mold, a pressure receiving valve used in the gas venting device, and a valve stable operation method in the gas venting device.

２バルブタイプのガス抜き装置として、図８の如く、製品成形金型のキャビティに連通して設けているガス抜き溝１０の入口側に溶湯圧力の上昇によって作動する受圧バルブ３を、出口側に閉鎖バルブ６を備えると共に、受圧バルブ３の作動にて閉鎖バルブ６を閉鎖するレバー９を設け、更に、レバー９の途中に閉鎖ピストン２０と開放ピストン２１とを備えているものが知られている。
この種のガス抜き装置におけるバルブは、溶湯圧を受けて閉鎖し、型開きされている間に開状態となり、レバーからも離れ、自由に移動可能になる。 As a two-valve type gas venting device, as shown in FIG. 8, a pressure-receiving valve 3 that operates by increasing the molten metal pressure is provided on the outlet side of the gas vent groove 10 provided in communication with the cavity of the product molding die. It is known that a closing valve 6 is provided, a lever 9 for closing the closing valve 6 by the operation of the pressure receiving valve 3 is provided, and a closing piston 20 and an opening piston 21 are provided in the middle of the lever 9. .
The valve in this type of gas venting device is closed by receiving the molten metal pressure, and is opened while the mold is opened, and is also moved away from the lever.

特開２００１−４７１８７号公報JP 2001-47187 A 特開２００２−９６１５１号公報JP 2002-96151 A 特開２００２−１４４００８号公報JP 2002-144008 A 特開２００２−１４４００９号公報JP 2002-144209 A 特開２００２−３６１３６４号公報JP 2002-361364 A 特開２００３−１２６９５２号公報JP 2003-126952 A

従来ガス抜き装置におけるレバーとバルブの弁棒とは、型開きされている間に自由に移動可能となる為、型閉めの振動が加わると、振動により弁棒が閉まる不都合があった。又、高速、高圧でキャビティより受圧バルブに侵入してきた溶湯の一部が、受圧弁棒と受圧ブッシュとの隙間に侵入し、その一部が固化して堆積し、受圧弁棒の作動性を低下させることもあった。   In the conventional gas venting device, the lever and the valve stem of the valve can be freely moved while the mold is opened. Therefore, when the vibration of closing the mold is applied, the valve stem is closed due to the vibration. In addition, a part of the molten metal that has entered the pressure receiving valve from the cavity at high speed and high pressure enters the gap between the pressure receiving valve rod and the pressure receiving bush, and a part thereof solidifies and accumulates, thereby improving the operability of the pressure receiving valve rod. There was also a decrease.

そこでこの発明は、従来技術の有するこのような問題点に鑑みてなされたものであり、その目的とするところは、真空ダイカストに使用されるガス抜き装置と、そのガス抜き装置に用いるバルブ作動の信頼性、特に受圧バルブの信頼性を改善し、ダイカストにおける生産性を向上することにある。   Therefore, the present invention has been made in view of such problems of the prior art, and the object of the present invention is to provide a gas venting device used for vacuum die casting and a valve operation used for the gas venting device. It is to improve the reliability, especially the reliability of the pressure receiving valve, and to improve the productivity in die casting.

上記目的を達成するために、本発明のガス抜き装置は、請求項１として、キャビティよりガス抜き溝を通り流入してきた溶湯の衝撃荷重で作動する受圧バルブと、該バルブの動きを閉鎖バルブに伝達するレバーとを備え、且つ空気送圧回路への接続口と、接続口から少なくとも受圧バルブに連通するレバー室とを備え、受圧バルブは受圧ブッシュと、該ブッシュに沿って往復動する受圧弁棒とから成り、型開きされている間に開放され、開放状態の受圧バルブ内を接続口からレバー室に送気されたエアー圧が通り抜けることを特徴とする。   In order to achieve the above object, a degassing apparatus according to the present invention includes, as claimed in claim 1, a pressure-receiving valve that operates with an impact load of a molten metal that has flowed from a cavity through a degassing groove, and the movement of the valve is a closing valve. And a lever for communicating with at least the pressure receiving valve from the connection port. The pressure receiving valve includes a pressure receiving bush and a pressure receiving valve that reciprocates along the bush. It consists of a rod and is opened while the mold is open, and the air pressure sent from the connection port to the lever chamber passes through the open pressure receiving valve.

ここでガス抜き溝とは、キャビティに連通し、キャビティにおいて発生するガスの通過を可能にし、且つ溶湯の流入も規制するものを言う。
ここで閉鎖バルブとは、ガス抜き溝の出口側に配置され、ガス抜き溝の末端部を開閉するもので、キャビティ内から真空装置へのガスの通過を可能にし、溶湯の通過を阻止するものを言い、流動物に直接触れ、しかも摺動抵抗が少なく、且つガスの通過を容易にするものであれば形状は自由である。
ここでレバーとは、受圧バルブの閉鎖作動を閉鎖バルブに伝え、溶湯が閉鎖バルブに到達する前に閉鎖バルブを閉鎖し、型開き後、閉鎖バルブを閉鎖状態から開放状態に復帰させることに伴い逆方向に揺動するものを言い、レバー室とは、レバーを揺動自在に納めることができて、しかも空気漏れの少ない空室を言う。
ここで空気送圧回路とは、圧縮空気を送気する回路を言い、接続口とは、空気送圧回路をガス抜き装置に繋ぐものを言う。 Here, the gas vent groove refers to one that communicates with the cavity, allows gas generated in the cavity to pass therethrough, and restricts the inflow of the molten metal.
Here, the closing valve is arranged on the outlet side of the gas vent groove and opens and closes the end portion of the gas vent groove, which allows gas to pass from the cavity to the vacuum device and prevents the melt from passing. As long as it is in direct contact with the fluid and has low sliding resistance and facilitates the passage of gas, the shape is arbitrary.
Here, the lever refers to closing operation of the pressure receiving valve to the closing valve, closing the closing valve before the molten metal reaches the closing valve, and returning the closing valve from the closed state to the open state after mold opening. The lever chamber refers to a vacant chamber in which the lever can be swung freely and has little air leakage.
Here, the air pressure supply circuit refers to a circuit that supplies compressed air, and the connection port refers to a connection between the air pressure supply circuit and the gas venting device.

本発明の受圧バルブは、請求項２として、受圧ブッシュと、該ブッシュに沿って往復動する受圧弁棒とから成り、受圧弁棒は胴部の一端側に弁部を、他端側に受圧弁棒の開放を制限する鍔を備え、受圧ブッシュは筒部の一端側に湯溜りを、他端側に外部と連通する連通路を備え、且つ弁棒胴部との間に連通路に連通する連絡路を設け、弁部が湯溜りに突入した開放状態において受圧弁棒の往復動方向に通気可能となることを特徴とする。   According to a second aspect of the present invention, there is provided a pressure receiving valve comprising a pressure receiving bush and a pressure receiving valve rod that reciprocates along the bush. The pressure receiving valve rod receives a valve portion at one end side of the body portion and a pressure receiving valve rod at the other end side. Equipped with a flange that restricts the opening of the pressure valve rod, the pressure receiving bush has a hot water reservoir on one end side of the cylinder portion, a communication passage communicating with the outside on the other end side, and communicates with the communication passage between the valve rod body portion The communication path is provided, and the valve portion can be vented in the reciprocating direction of the pressure receiving valve rod in the open state where the valve portion enters the hot water pool.

ここで受圧バルブとは、ガス抜き溝の入口側に配置され、受圧ブッシュ内に受圧弁棒を往復自在に嵌挿するものを言い、高温の流動物（気体を含む）、特に溶湯金属、溶湯樹脂にて作動するものであり、摺動抵抗が少なく、しかも開放時にエアーの通過を容易にするものであれば形状は自由である。
ここで受圧ブッシュの筒部とは、筒状を成す部位を言い、閉鎖時に受圧弁棒との間に連通路を形成するものを言い、湯溜りとは、ガス抜き溝に向けてノズル状の開口し、ガス抜き溝に流入した溶湯を溜め、溶湯圧の上昇を図り、受圧弁棒の閉方向への押圧を助ける部位を言う。
ここで受圧弁棒の弁部は、閉鎖時に受圧ブッシュの筒部内に挿入し、開放時に受圧ブッシュの湯溜りに突出する部位を言い、鍔とは、受圧ブッシュより大径で、開放時に受圧ブッシュの上端に当接し、開放ストロークを制限するものを言い、胴部とは、受圧ブッシュ筒部との間に連絡路を形成するものを言い、その横断面形状は、円形、楕円形、矩形の何れでもよい。 Here, the pressure receiving valve refers to a valve that is disposed on the inlet side of the gas vent groove, and in which the pressure receiving valve rod is reciprocally inserted into the pressure receiving bush. Any shape can be used as long as it operates with resin, has low sliding resistance, and facilitates the passage of air when opened.
Here, the cylindrical portion of the pressure receiving bush refers to a portion that forms a cylindrical shape, and refers to a portion that forms a communication path with the pressure receiving valve rod when closed. It refers to a portion that opens and accumulates the molten metal that has flowed into the gas vent groove to increase the molten metal pressure and assist in pressing the pressure receiving valve rod in the closing direction.
Here, the valve portion of the pressure-receiving valve rod is inserted into the cylinder portion of the pressure-receiving bush when closed, and refers to a portion that protrudes into the sump of the pressure-receiving bush when opened. The body part is a part that forms a communication path with the pressure-receiving bushing cylinder part, and its cross-sectional shape is circular, elliptical, or rectangular. Either may be used.

本発明のガス抜き装置におけるバルブ安定作動方法は、請求項３として、キャビティよりガス抜き溝を通り流入してきた溶湯の衝撃荷重で作動する受圧バルブと、該バルブの動きを閉鎖バルブに伝達するレバーとを備えたガス抜き装置において、バルブは接続口を介して空気送圧回路に連通し、エアー圧にて少なくとも受圧バルブの受圧弁棒を開放方向に押圧し、型閉め等の振動があっても受圧弁棒を開放状態に維持し得るようにしたことを特徴とする。
請求項４として、請求項３記載のガス抜き装置におけるバルブ安定作動方法において、受圧バルブに供給されるエアーは、受圧ブッシュと開放状態にある受圧弁棒との隙間を通り抜けて外部に噴出し、受圧弁棒と受圧ブッシュの隙間に侵入したバリ等を外部に排出し得るようにしたことを特徴とする。 According to a third aspect of the present invention, there is provided a method for stably operating a valve in a degassing apparatus according to a third aspect of the present invention, in which a pressure receiving valve that operates with an impact load of a molten metal flowing in from a cavity through a degassing groove, In the gas venting device, the valve communicates with the air pressure supply circuit through the connection port, and at least the pressure receiving valve rod of the pressure receiving valve is pressed in the opening direction by air pressure, and there is vibration such as mold closing. Is also characterized in that the pressure-receiving valve rod can be kept open.
According to a fourth aspect of the present invention, in the valve stable operation method in the gas venting device according to the third aspect, the air supplied to the pressure receiving valve passes through a gap between the pressure receiving bush and the pressure receiving valve rod in an open state, and is ejected to the outside. It is characterized in that burrs and the like that have entered the gap between the pressure receiving valve rod and the pressure receiving bush can be discharged to the outside.

ここで受圧弁棒を開放方向とは、受圧弁棒が受圧ブッシュ内に挿入する閉鎖状態からガス抜き溝に向けて摺動することを言い、受圧ブッシュと開放状態にある受圧弁棒との隙間より外部に噴出しとは、開放状態にある固定型本体の接合面側から外界にエアーが噴出することを言い、接続口よりレバー室に供給されたエアーが受圧バルブを加圧し、受圧弁棒を突出方向（開放方向）に押圧し、型閉め完了まで維持する。そのことにより、型閉めの振動があっても、受圧バルブを開放状態に維持する。また、この時、受圧弁棒と受圧ブッシュの隙間に侵入したバリ等を外部に排出する。   Here, the direction in which the pressure receiving valve rod is opened means that the pressure receiving valve rod slides from the closed state where the pressure receiving valve rod is inserted into the pressure receiving bush toward the gas vent groove, and the gap between the pressure receiving bush and the pressure receiving valve rod in the open state. More to the outside means that air is ejected to the outside from the joint surface side of the fixed mold body in the open state, and the air supplied to the lever chamber from the connection port pressurizes the pressure receiving valve, and the pressure receiving valve rod Is pushed in the protruding direction (opening direction) and maintained until the mold closing is completed. As a result, the pressure receiving valve is maintained in an open state even when there is vibration of closing the mold. At this time, burrs and the like that have entered the gap between the pressure receiving valve rod and the pressure receiving bush are discharged to the outside.

本発明のガス抜き装置は上記構造のとおりであるから、次に記載する効果を奏する。
型開きされている間に開放した受圧バルブを、接続口よりレバー室に供給されたエアーにて加圧し、受圧弁棒をエアー圧により開放方向に押出し、開放状態を型閉め完了まで維持する結果、例え型閉め工程において振動があっても、受圧バルブを開状態に維持することができる。その結果、受圧バルブの作動の信頼性が著しく改善される。即ち、その分、バルブの使用期間が長くなり、修理や交換頻度が軽減され、低価格化に貢献する。 Since the degassing apparatus of the present invention is as described above, the following effects are achieved.
The result is that the pressure receiving valve opened while the mold is open is pressurized with air supplied to the lever chamber from the connection port, the pressure receiving valve rod is pushed out in the opening direction by air pressure, and the open state is maintained until the mold closing is completed Even if there is vibration in the mold closing process, the pressure receiving valve can be kept open. As a result, the operation reliability of the pressure receiving valve is significantly improved. That is, the usage period of the valve becomes longer, the frequency of repairs and replacements is reduced, and the cost is reduced.

本発明の受圧バルバは上記構造のとおりであるから、次に記載する効果を奏する。
受圧ブッシュは、上部に連通路を、筒部と受圧弁棒との間に連絡路を備えているため、鍔が受圧ブッシュの上端に当接するまで受圧弁棒を開放方向に摺動しても、連通路と連絡路とが連通状態にあり、しかも、受圧弁棒の弁部は受圧ブッシュの湯溜りに突入し、湯溜りとの間に隙間が生じているので、受圧バルブの往復動方向にエアーが貫通する。その結果、１サイクル毎に受圧バルブ内をエアーで掃除することができる。 Since the pressure receiving barba of the present invention has the above structure, the following effects can be obtained.
Since the pressure-receiving bush is provided with a communication path in the upper part and a communication path between the cylinder part and the pressure-receiving valve rod, the pressure-receiving valve rod can be slid in the opening direction until the rod contacts the upper end of the pressure-receiving bush. The communication path and the communication path are in communication with each other, and the valve portion of the pressure receiving valve rod enters the hot water pool of the pressure receiving bush, and a gap is formed between the hot water pool and the reciprocating direction of the pressure receiving valve. Air penetrates through. As a result, the pressure receiving valve can be cleaned with air every cycle.

本発明のガス抜き装置におけるバルブ安定作動方法は上記のとおりであるから、次に記載する効果を奏する。
型開きされている間に開放した受圧バルブを、接続口よりレバー室に供給されたエアーにて加圧し、受圧弁棒を突出方向（開放方向）に押圧する。エアー圧は型閉め完了まで維持されるので、例え型閉め工程において振動があっても、受圧バルブを確実に開放状態に維持することができる。この結果、受圧バルブの作動の信頼性が著しく改善される。
また、受圧バルブに供給されたエアーは、受圧ブッシュと開放状態になる受圧弁棒との隙間より外部に向けて噴出するので、その噴出エアーにより受圧弁棒と受圧ブッシュの隙間に侵入したバリ等を外部に排出される。その結果、バルブの作動性が著しく改善される。即ち、成形サイクルの高速化が可能となり、しかも歩留まりも向上する。 Since the valve stable operation method in the degassing apparatus of the present invention is as described above, the following effects can be obtained.
The pressure receiving valve opened while the mold is open is pressurized with air supplied to the lever chamber from the connection port, and the pressure receiving valve rod is pressed in the protruding direction (opening direction). Since the air pressure is maintained until the mold closing is completed, even if there is vibration in the mold closing process, the pressure receiving valve can be reliably maintained in the open state. As a result, the operation reliability of the pressure receiving valve is significantly improved.
In addition, since the air supplied to the pressure receiving valve is ejected to the outside through the gap between the pressure receiving bush and the pressure receiving valve rod that is in the open state, burrs that have entered the gap between the pressure receiving valve rod and the pressure receiving bush due to the blown air Discharged to the outside. As a result, the operability of the valve is significantly improved. That is, the molding cycle can be speeded up and the yield is improved.

本発明によるガス抜き装置の最良形態を図１−１、図１−２、及び図２乃至図３に基づき説明すれば、製品成形金型の固定金型３１に取付ける固定型１と、製品成形金型の可動金型３２に取付ける可動型２とから成り、固定型１と可動型２との型合せ側（パーテングライン側）に製品成形金型のキャビティに連続するガス抜き溝１０を備え、固定型１はブロック状を成す固定型本体１ａと、板状を成す固定型蓋体１ｂとから成り、固定型本体１ａは型合せ側（下面）にガス抜き溝１０を、反対側（上側）に外部に向けて開口するレバー室１９を備え、ガス抜き溝１０の入口側にレバー室１９に連通する受圧バルブ３を、出口側に真空吸引装置（図示せず）に連続する閉鎖バルブ６を配置し、受圧バルブ３の作動を閉鎖バルブ６に伝える開閉レバー９がレバー室１９内で上下揺動可能となる。   The best mode of the degassing apparatus according to the present invention will be described with reference to FIGS. 1-1, 1-2, and FIGS. 2 to 3. The fixed mold 1 attached to the fixed mold 31 of the product molding mold, and the product molding It comprises a movable mold 2 attached to a movable mold 32 of the mold, and is provided with a gas vent groove 10 that is continuous with the cavity of the product molding mold on the mating side (parting line side) of the fixed mold 1 and the movable mold 2. The fixed mold 1 is composed of a fixed mold main body 1a having a block shape and a fixed mold lid 1b having a plate shape. The fixed mold main body 1a has a gas vent groove 10 on the mold matching side (lower surface) and an opposite side (upper side). ) Is provided with a lever chamber 19 that opens to the outside, the pressure receiving valve 3 communicating with the lever chamber 19 on the inlet side of the gas vent groove 10, and the closing valve 6 continuous with a vacuum suction device (not shown) on the outlet side. To open and close the opening and closing lever that transmits the operation of the pressure receiving valve 3 to the closing valve 6. -9 is vertically swingably in the lever chamber 19.

ガス抜き装置に用いる本発明受圧バルブの最良形態を図５（イ）と図６に基づき説明すれば、受圧バルブ３は受圧ブッシュ５と、該ブッシュ５内で往復動可能に挿入する受圧弁棒４とから成り、受圧ブッシュ５は、筒状を成す筒部５ａの上側に、受圧弁棒４との間にレバー室１９に連通する連通路１４を形成し、筒部５ａの下部にガス抜き溝１０に向けてノズル状に開口する湯溜り５ｂを備えている。
受圧弁棒４は、胴部４ａの下側に弁部４ｂを、上側に受圧ブッシュ筒部５ａの上端に当接可能となる鍔４ｃを有し、弁部４ｂは、受圧バルブ３の閉鎖時に受圧ブッシュ筒部５ａ内まで挿入し、受圧バルブ３の開放時に受圧ブッシュ湯溜り５ｂに突入し、鍔４ｃは、中心部にレバー９に当接する突起部４ｄを備え、受圧バルブ３の開放時に受圧ブッシュ５の上端に当接し、開放ストロークを制限し、胴部４ａは横断面形状を円形、楕円形、矩形に形成し、受圧ブッシュ筒部５ａとの間に連通路１４を介してレバー室１９と連通する連絡路１３を備え、弁部４ｂが湯溜り５ｂに突入した開放状態において、受圧ブッシュ５の上下方向に通気可能となる。 The best mode of the pressure receiving valve of the present invention used in the degassing apparatus will be described with reference to FIGS. 5 (a) and 6. The pressure receiving valve 3 is a pressure receiving bush 5 and a pressure receiving valve rod inserted in the bush 5 so as to be reciprocally movable. The pressure receiving bush 5 includes a communication passage 14 communicating with the lever chamber 19 between the pressure receiving valve rod 4 and an upper side of the cylindrical tube portion 5a. A hot water reservoir 5b that opens in a nozzle shape toward the groove 10 is provided.
The pressure receiving valve rod 4 has a valve part 4b on the lower side of the body part 4a and a flange 4c on the upper side that can come into contact with the upper end of the pressure receiving bushing cylinder part 5a. The valve part 4b is provided when the pressure receiving valve 3 is closed. The pressure receiving bushing cylinder portion 5a is inserted into the pressure receiving bush 3 and when the pressure receiving valve 3 is opened, it enters the pressure receiving bush hot water reservoir 5b. The flange 4c is provided with a protrusion 4d in contact with the lever 9 at the center. The body 4a is in contact with the upper end of the bush 5 to limit the opening stroke. The body 4a is formed in a circular, oval or rectangular cross-sectional shape. The lever chamber 19 is connected to the pressure-receiving bush cylinder 5a via the communication passage 14. In the open state where the valve portion 4b has entered the hot water reservoir 5b, the pressure receiving bush 5 can be ventilated in the vertical direction.

ガス抜き装置Ａが図４の如く型開きされている間に、受圧弁棒４の弁部４ｂは受圧ブッシュ５の筒部５ａ内から湯溜り５ｂ内に突入し、開放状態となり、レバー室１９と連通路１４と連絡路１３と湯溜り５ｂとが連通する。その結果、圧縮空気は接続口１２からレバー室１９を経由して受圧バルブ３内に送気され、突出状態にある弁部４ｂの廻りから外部に排出する。このことにより、受圧弁棒４と受圧ブッシュ５との隙間に付着するカスを吹き飛ばし、滑らかな活動を長期間に亘り可能にする。
受圧弁棒４の鍔４ｃが受圧バルブ３の開放時に受圧ブッシュ５の上端に当接した時、弁部４ｂは湯溜り５ｂ内に突入している。
製品成型金型の型締め後、受圧バルブ３の受圧弁棒４は溶湯圧を受けてレバー室１９方向に押圧され、弁部４ｂが受圧ブッシュ５の筒部５ａ内に押込まれて閉鎖状態となり、溶湯Ｍの侵入を遮断する。 While the gas venting device A is opened as shown in FIG. 4, the valve portion 4 b of the pressure receiving valve rod 4 rushes into the hot water pool 5 b from the inside of the cylindrical portion 5 a of the pressure receiving bush 5, and is opened. The communication path 14, the communication path 13, and the hot water reservoir 5b communicate with each other. As a result, the compressed air is supplied from the connection port 12 through the lever chamber 19 into the pressure receiving valve 3 and discharged to the outside from around the protruding valve portion 4b. As a result, the residue adhering to the gap between the pressure-receiving valve rod 4 and the pressure-receiving bush 5 is blown away, and a smooth activity can be performed over a long period of time.
When the flange 4c of the pressure receiving valve rod 4 comes into contact with the upper end of the pressure receiving bush 5 when the pressure receiving valve 3 is opened, the valve portion 4b enters the hot water reservoir 5b.
After clamping the product molding die, the pressure receiving valve rod 4 of the pressure receiving valve 3 receives the molten metal pressure and is pressed in the direction of the lever chamber 19, and the valve portion 4 b is pushed into the cylindrical portion 5 a of the pressure receiving bush 5 to be closed. , Blocking the intrusion of the molten metal M.

閉鎖バルブ６は図５（ロ）の如く、筒状を成す閉鎖ブッシュ８と、該ブッシュ８内で往復動可能となる閉鎖弁棒７とから成り、空気送圧回路への接続口１２に連通し、閉鎖ブッシュ８は、溶湯ガスの排出口１６と、レバー９が貫通する切欠部１８とを備え、排出口１６に真空吸引装置に接続するパイプ２６を取付け、製品成型金型の型締め後、キャビティ内に圧入した溶湯ガスを真空吸引装置にて吸引する際、溶湯Ｍの通過を阻止するものである。
閉鎖弁棒７は、胴部７ａの下側に弁部７ｂを、上側に頭部７ｃを備え、頭部７ｃにレバー９と係合する横向溝１７を、胴部７ａと閉鎖ブッシュ８との間に排出口１６と連通する排出路１５を形成し、ガス抜き装置Ａの型開き時に、ガス抜き溝１０側に摺動し、弁部７ｂが閉鎖ブッシュ８内からガス抜き溝１０側に突出し、閉鎖バルブ６の上下通気が可能となり、ガス抜き装置Ａの型締め時に、ガス抜き溝１０と排出口１６と排出路１５とが連通し、ガス抜き溝１０から真空吸引装置への溶湯ガスの吸引を可能にする。
閉鎖バルブ６まで溶湯Ｍが達し、溶湯圧にて閉鎖弁棒７の弁部７ｂを閉鎖ブッシュ８内まで押込むことにより、閉鎖バルブ６は完全に閉鎖して溶湯Ｍの通過を遮断する。 As shown in FIG. 5 (b), the closing valve 6 comprises a cylindrical closing bush 8 and a closing valve rod 7 which can reciprocate in the bush 8, and communicates with a connection port 12 to the air pressure supply circuit. The closing bush 8 includes a melt gas discharge port 16 and a notch 18 through which the lever 9 penetrates. After the pipe 26 connected to the vacuum suction device is attached to the discharge port 16, the product molding die is clamped. When the melt gas press-fitted into the cavity is sucked by the vacuum suction device, the passage of the melt M is prevented.
The closing valve stem 7 includes a valve portion 7b on the lower side of the body portion 7a, a head portion 7c on the upper side, a lateral groove 17 that engages with the lever 9 on the head portion 7c, and a portion between the body portion 7a and the closing bush 8. A discharge passage 15 communicating with the discharge port 16 is formed therebetween, and when the gas venting device A is opened, it slides to the gas vent groove 10 side, and the valve portion 7b projects from the closed bush 8 to the gas vent groove 10 side. When the gas venting device A is clamped, the gas venting groove 10, the discharge port 16, and the discharge passage 15 communicate with each other, and the melt gas from the gas venting groove 10 to the vacuum suction device can be communicated. Allows suction.
When the molten metal M reaches the closing valve 6 and the valve portion 7b of the closing valve rod 7 is pushed into the closing bush 8 by the molten metal pressure, the closing valve 6 is completely closed to block the passage of the molten metal M.

レバー９は、受圧バルブ３と閉鎖バルブ６との配置間隔より長く、受圧弁棒４の上側に位置し、基部をレバー室１９の下面と固定型蓋体１ｂとによって恰も軸支したかのように保持し、先部を閉鎖弁棒７の横向溝１７に係合し、基部を中心にして上下方向に揺動可能となる。
受圧バルブ３の受圧弁棒４が溶湯圧によって押し上げられた時、その押し上げ作動によりレバー９の先部が上方向（閉鎖バルブ６の閉鎖弁棒７を閉鎖方向）に摺動する。
反対に、閉鎖バルブ６の閉鎖弁棒７が開放方向（下向き）に作動した時、閉鎖弁棒７の作動に伴いレバー９が下方向に摺動され、それに伴い受圧バルブ３の受圧弁棒４が開放方向（下向き）に作動される。 The lever 9 is longer than the arrangement interval between the pressure receiving valve 3 and the closing valve 6 and is positioned on the upper side of the pressure receiving valve rod 4, as if the base portion was also pivotally supported by the lower surface of the lever chamber 19 and the fixed lid 1 b. And the tip is engaged with the lateral groove 17 of the closing valve rod 7 so that it can swing in the vertical direction around the base.
When the pressure-receiving valve rod 4 of the pressure-receiving valve 3 is pushed up by the molten metal pressure, the tip of the lever 9 slides upward (the closing valve rod 7 of the closing valve 6 is closed) by the pushing-up operation.
On the contrary, when the closing valve rod 7 of the closing valve 6 is operated in the opening direction (downward), the lever 9 is slid downward along with the operation of the closing valve rod 7, and accordingly the pressure receiving valve rod 4 of the pressure receiving valve 3. Is actuated in the opening direction (downward).

製品成型金型を型開きすれば、同金型に取付けられているガス抜き装置Ａの固定型１と可動型２も型開きされる。ガス抜き装置Ａが型開きされると、ガス抜き溝１０内で溶湯Ｍが凝固した余剰部材は、ガス抜き溝１０から放出され、或いは押出ピンによって突き出され、鋳造製品と共にガス抜き装置Ａから排出される。それに伴い受圧バルブ３と閉鎖バルブ６は閉状態から開放状態に復帰される。   If the product mold is opened, the fixed mold 1 and the movable mold 2 of the gas venting apparatus A attached to the mold are also opened. When the gas venting device A is opened, the surplus member in which the molten metal M has solidified in the gas venting groove 10 is discharged from the gas venting groove 10 or protruded by an extrusion pin and discharged from the gas venting device A together with the cast product. Is done. Accordingly, the pressure receiving valve 3 and the closing valve 6 are returned from the closed state to the opened state.

キャビティから真空吸引装置に吸引されるガスは、ガス抜き装置Ａを通過する際、受圧バルブ３を押し出すことなくガス抜き溝１０を通過し、開放状態にある閉鎖バルブ６に達し、閉鎖ブッシュ８と閉鎖弁棒７との隙間である排出路１５を通り排出口１６に達し、排出口１６に取付けたパイプ２６を介して真空吸引装置に吸収される。   When the gas sucked into the vacuum suction device from the cavity passes through the gas venting device A, it passes through the gas vent groove 10 without pushing out the pressure receiving valve 3, reaches the closing valve 6 in the open state, It passes through the discharge passage 15 which is a gap with the closing valve rod 7, reaches the discharge port 16, and is absorbed by the vacuum suction device via the pipe 26 attached to the discharge port 16.

接続口１２よりレバー室１９に供給されたエアーは、受圧バルブ３の受圧弁棒４を開放方向に押圧し、受圧弁棒４を湯溜り５ｂに突入させ、型閉めが完了するまで開状態に保持する。即ち、エアーはレバー室１９を通過し、受圧バルブ３の連通路１４と連絡路１３とを通り、開放状態にある弁部４ｂの周りから外部に噴出する。その結果、型閉めの振動があっても受圧バルブ３を確実に開状態に保持し、作動の信頼性を改善することができる。また、この時、受圧弁棒４と受圧ブッシュ５の隙間に侵入したバリを外部に排出することにより、生産性も改善される。   The air supplied from the connection port 12 to the lever chamber 19 presses the pressure-receiving valve rod 4 of the pressure-receiving valve 3 in the opening direction, causes the pressure-receiving valve rod 4 to enter the hot water reservoir 5b, and remains open until the mold closing is completed. Hold. That is, the air passes through the lever chamber 19, passes through the communication path 14 and the communication path 13 of the pressure receiving valve 3, and is ejected to the outside from around the valve portion 4 b in an open state. As a result, it is possible to reliably hold the pressure receiving valve 3 in an open state even when there is vibration of closing the mold, and to improve operation reliability. At this time, productivity is also improved by discharging the burrs that have entered the gap between the pressure receiving valve rod 4 and the pressure receiving bush 5 to the outside.

開放状態にある受圧弁棒４は、型閉め工程において可動型２に当接し、閉鎖方向（上方向）に押され、型閉めの完了時に初期閉鎖状態となる。
キャビティに溶湯Ｍを充填すると同時に、キャビティよりガスを吸引すると、先ずガスがガス抜き装置Ａのガス抜き溝１０を通過し、次いで溶湯Ｍがガス抜き溝１０に流入する。ガス抜き溝１０に流入した溶湯Ｍが受圧ブッシュ５の湯溜まり６ｂに達し、溶湯圧が高くなることで受圧弁棒４が閉方向に押出され、その作動によりレバー９が基部を支点として押上げられ、時計方向に回転し、閉鎖弁棒７に伝え、閉鎖バルブ６を初期閉鎖状態にする。即ち、開閉レバー９にて閉鎖バルブ６を初期閉鎖状態にする。
キャビティとガス抜き溝１０内で溶湯Ｍが固化した後、製品成型金型を型開きすれば、固定型１と可動型２も同時に型開きされ、ガス抜き溝１０で固化した余剰部材は固定型１、及び可動型２から切り離され、製品と共に放出される。 The pressure-receiving valve rod 4 in the open state abuts on the movable mold 2 in the mold closing process, is pushed in the closing direction (upward), and enters the initial closed state when the mold closing is completed.
When the molten metal M is filled in the cavity and gas is sucked from the cavity, the gas first passes through the degassing groove 10 of the degassing apparatus A, and then the molten metal M flows into the degassing groove 10. The molten metal M flowing into the gas vent groove 10 reaches the hot water pool 6b of the pressure receiving bush 5 and the molten metal pressure is increased, whereby the pressure receiving valve rod 4 is pushed out in the closing direction, and the lever 9 is pushed up with the base as a fulcrum by the operation. Rotate clockwise and transmit to the closing valve stem 7 to place the closing valve 6 in the initial closed state. That is, the closing valve 6 is brought into the initial closed state by the opening / closing lever 9.
If the product mold is opened after the molten metal M is solidified in the cavity and the gas vent groove 10, the fixed mold 1 and the movable mold 2 are also opened at the same time, and the surplus member solidified in the gas vent groove 10 is the fixed mold. 1 and separated from the movable mold 2 and released with the product.

なお、本発明の形態は実施例に限定されるものではない。例えば、レバー９の基部をピンで軸支することも可能であるし、レバー９と固定型蓋体１ｂとの間に軸支蓋２９を介在し、レバー９の揺動範囲を調整することも可能である。
ブッシュ内面から弁棒外面までの隙間ｈは、実施可能な範囲として１／１０００〜６／１０００μ、最適な範囲として１／１０００〜３／０００μである。
また、実施形態においてガス抜き溝１０を可動型２に形成しているが、固定型１と可動型２とに跨って形成する場合もあるし、図７の如くガス抜き溝１０の途中に遅延路１１を形成することもある。
固定金型３１に可動型２を、可動金型３２に固定型１を取付けても、略同様の目的を達成するし、余剰部材の排出手段として、可動型２に余剰部材の排出機能部（図示せず）を備えておくことも可能である。 In addition, the form of this invention is not limited to an Example. For example, the base portion of the lever 9 can be pivotally supported by a pin, or the pivoting range of the lever 9 can be adjusted by interposing the pivotal support lid 29 between the lever 9 and the fixed lid 1b. Is possible.
The gap h from the inner surface of the bush to the outer surface of the valve stem is 1/1000 to 6/1000 μ as a feasible range, and 1/1000 to 3/000 μ as an optimum range.
Further, in the embodiment, the gas vent groove 10 is formed in the movable mold 2. However, the gas vent groove 10 may be formed across the fixed mold 1 and the movable mold 2, and may be delayed in the middle of the gas vent groove 10 as shown in FIG. A path 11 may be formed.
Even if the movable mold 2 is attached to the fixed mold 31 and the fixed mold 1 is attached to the movable mold 32, substantially the same purpose can be achieved, and as a surplus member discharge means, the surplus member discharge function part ( (Not shown) can be provided.

受圧バルバ３と閉鎖バルブ６は、単体で流通することもあるが、一般に、ガス抜き装置Ａに組み込まれて流通する。
閉鎖ピストン２０と開放ピストン２１は、空気送圧回路に各々接続され、レバー９に当接した状態で往復動可能となる。又、閉鎖ピストン２０と開放ピストン２１との何れか一方をスプリングにすることも可能であるし、省略することも可能である。 The pressure receiving barba 3 and the closing valve 6 may be circulated as a single unit, but are generally incorporated into the gas venting apparatus A and circulate.
The closing piston 20 and the opening piston 21 are connected to an air pressure supply circuit, respectively, and can reciprocate in contact with the lever 9. Further, either one of the closing piston 20 and the opening piston 21 can be a spring, or can be omitted.

本発明によるガス抜き装置の概略構造を示す断面図である。It is sectional drawing which shows schematic structure of the degassing apparatus by this invention. ピストンの配置関係を示す断面図である。It is sectional drawing which shows the arrangement | positioning relationship of a piston. 本発明受圧バルブの溶湯圧による作動例を示す断面図である。It is sectional drawing which shows the operation example by the molten metal pressure of this invention pressure receiving valve. 同バルブの型開き時における状態を示す断面図である。It is sectional drawing which shows the state at the time of the mold opening of the valve | bulb. 同バルブのエアー圧による作動状態を示す断面図である。It is sectional drawing which shows the operation state by the air pressure of the valve. 受圧バルブの断面面（イ）と閉鎖バルイブ（ロ）の断面図である。It is sectional drawing of a cross-sectional surface (I) and a closing valve (B) of a pressure receiving valve. 受圧バルブの横断面図である。It is a cross-sectional view of a pressure receiving valve. 固定型の接合側面図（イ）と可動型の接合側面図（ロ）である。They are a fixed-type joining side view (A) and a movable-type joining side view (B). 従来ガス抜き装置における固定型の断面図である。It is sectional drawing of the stationary mold | type in the conventional gas venting apparatus.

符号の説明Explanation of symbols

１ 固定型、１ａ 固定型本体、１ｂ 固定型蓋体
２ 可動型
３ 受圧バルブ、１３ 連絡路
４ 受圧弁棒、４ａ 胴部、４ｂ 弁部、４ｃ 鍔、４ｄ 突起部
５ 受圧ブッシュ、５ａ 筒部、５ｂ 湯溜り、１４ 連通路
６ 閉鎖バルブ、１５ 排出路、１６ 排出口
７ 閉鎖弁棒、７ａ 胴部、７ｂ 弁部、７ｃ 頭部、１７ 横向溝
８ 閉鎖ブッシュ、１８ 切欠部
９ レバー、１９ レバー室、２９ 軸支蓋
１０ ガス抜き溝、１１ 遅延路
１２ 接続口
２０ 閉鎖ピストン
２１ 開放ピストン
２５ ボルト
２６ パイプ
３１ 固定金型
３２ 可動金型
Ａ ガス抜き装置
Ｍ 溶湯
ｈ ブッシュ内面から弁棒外面までの隙間 DESCRIPTION OF SYMBOLS 1 Fixed type, 1a Fixed type main body, 1b Fixed type lid body 2 Movable type 3 Pressure receiving valve, 13 Connection path 4 Pressure receiving valve rod, 4a Body part, 4b Valve part, 4c collar, 4d Projection part 5 Pressure receiving bush, 5a Tube part 5b Hot water reservoir, 14 communication passage 6 Closing valve, 15 discharge passage, 16 discharge port 7 Closing valve rod, 7a body, 7b valve portion, 7c head, 17 lateral groove 8 closing bush, 18 notch 9 lever, 19 Lever chamber, 29 Shaft support lid 10 Gas vent groove, 11 Delay path 12 Connection port 20 Closed piston 21 Open piston 25 Bolt 26 Pipe 31 Fixed mold 32 Movable mold A Degassing device M Molten metal h From the bush inner surface to the valve rod outer surface Gap

Claims (4)

キャビティよりガス抜き溝（１０）を通り流入してきた溶湯（Ｍ）の衝撃荷重で作動する受圧バルブ（３）と、該バルブ（３）の動きを閉鎖バルブ（６）に伝達するレバー（９）とを備え、且つ空気送圧回路への接続口（１２）と、接続口（１２）から少なくとも受圧バルブ（３）に連通するレバー室（１９）とを備え、受圧バルブ（３）は受圧ブッシュ（５）と、該ブッシュ（５）に沿って往復動する受圧弁棒（４）とから成り、型開きされている間に開放され、開放状態の受圧バルブ（３）内を接続口（１２）からレバー室（１９）に送気されたエアー圧が通り抜けることを特徴とするガス抜き装置。   A pressure-receiving valve (3) operated by the impact load of the molten metal (M) flowing in from the cavity through the gas vent groove (10), and a lever (9) for transmitting the movement of the valve (3) to the closing valve (6) And a connection port (12) to the air pressure supply circuit, and a lever chamber (19) communicating with at least the pressure receiving valve (3) from the connection port (12). The pressure receiving valve (3) is a pressure receiving bush. (5) and a pressure-receiving valve rod (4) that reciprocates along the bush (5). The pressure-receiving valve rod (4) is opened while the mold is open, and the connection port (12 ) Through which the air pressure sent to the lever chamber (19) passes. 受圧ブッシュ（５）と、該ブッシュ（５）に沿って往復動する受圧弁棒（４）とから成り、受圧弁棒（４）は胴部（４ａ）の一端側に弁部（４ｂ）を、他端側に受圧弁棒（４）の開放を制限する鍔（４ｃ）を備え、受圧ブッシュ（５）は筒部（５ａ）の一端側に湯溜り（５ｂ）を、他端側に外部と連通する連通路（１４）を備え、且つ弁棒胴部（４ａ）との間に連通路（１４）に連通する連絡路（１３）を設け、弁部（４ｂ）が湯溜り（５ｂ）に突入した開放状態において受圧弁棒（４）の往復動方向に通気可能となることを特徴とする受圧バルブ。   The pressure receiving bush (5) and a pressure receiving valve rod (4) reciprocating along the bush (5) are provided. The pressure receiving valve rod (4) has a valve portion (4b) on one end side of the body portion (4a). The other end side is provided with a flange (4c) for restricting the opening of the pressure receiving valve rod (4), and the pressure receiving bush (5) has a hot water reservoir (5b) on one end side of the cylindrical portion (5a) and an external side on the other end side. A communication path (13) communicating with the communication path (14) is provided between the communication path (14) and the valve rod body (4a), and the valve section (4b) is a reservoir (5b). The pressure receiving valve is characterized in that the pressure receiving valve rod (4) can be ventilated in the reciprocating direction in the open state. キャビティよりガス抜き溝（１０）を通り流入してきた溶湯（Ｍ）の衝撃荷重で作動する受圧バルブ（３）と、該バルブ（３）の動きを閉鎖バルブ（６）に伝達するレバー（９）とを備えたガス抜き装置（Ａ）において、バルブは接続口（１２）を介して空気送圧回路に連通し、エアー圧にて少なくとも受圧バルブ（３）の受圧弁棒（４）を開放方向に押圧し、型閉め等の振動があっても受圧弁棒（４）を開放状態に維持し得るようにしたことを特徴とするガス抜き装置におけるバルブ安定作動方法。   A pressure-receiving valve (3) operated by the impact load of the molten metal (M) flowing in from the cavity through the gas vent groove (10), and a lever (9) for transmitting the movement of the valve (3) to the closing valve (6) In the venting device (A), the valve communicates with the air pressure supply circuit through the connection port (12), and at least the pressure receiving valve rod (4) of the pressure receiving valve (3) is opened in the air pressure. A valve stable operation method in a gas venting apparatus, wherein the pressure receiving valve rod (4) can be maintained in an open state even when there is vibration such as mold closing and pressing. 受圧バルブ（３）に供給されるエアーは、受圧ブッシュ（５）と開放状態にある受圧弁棒（４）との隙間を通り抜けて外部に噴出し、受圧弁棒（４）と受圧ブッシュ（５）の隙間に侵入したバリ等を外部に排出し得るようにしたことを特徴とする請求項３記載のガス抜き装置におけるバルブ安定作動方法。   The air supplied to the pressure receiving valve (3) passes through the gap between the pressure receiving bush (5) and the pressure receiving valve rod (4) in the open state, and is ejected to the outside, and the pressure receiving valve rod (4) and the pressure receiving bush (5) 4. A method for stably operating a valve in a gas venting apparatus according to claim 3, wherein burrs or the like that have entered the gaps can be discharged to the outside.
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102274948A (en) * 2010-06-10 2011-12-14 迪尔工程株式会社 Method of high quality die casting
JP2013063464A (en) * 2011-08-29 2013-04-11 Japan Mold Trade:Kk Degassing device for die casting
TWI473678B (en) * 2012-03-07 2015-02-21 Univ Nat Taiwan Ocean Valve structure
CN104827010A (en) * 2015-05-26 2015-08-12 重庆东科模具制造有限公司 Vacuum extraction valve used on die-casting die
CN115446282A (en) * 2022-08-31 2022-12-09 广州市型腔模具制造有限公司 Ultra-large integrated die-casting vacuum control method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08174180A (en) * 1994-12-28 1996-07-09 Ahresty Corp Die degassing device
JP2001047187A (en) * 1999-08-04 2001-02-20 Uogishi Seiki Kogyo Kk Degassing device for die casting
JP2002144009A (en) * 2000-11-06 2002-05-21 Dai:Kk Gas vent method and system for die
JP2002172456A (en) * 2000-11-30 2002-06-18 Nissan Motor Co Ltd Gas purging device in die for die casting
JP2003112232A (en) * 2001-10-01 2003-04-15 Dai:Kk Gas vent device for die, and method for using the device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08174180A (en) * 1994-12-28 1996-07-09 Ahresty Corp Die degassing device
JP2001047187A (en) * 1999-08-04 2001-02-20 Uogishi Seiki Kogyo Kk Degassing device for die casting
JP2002144009A (en) * 2000-11-06 2002-05-21 Dai:Kk Gas vent method and system for die
JP2002172456A (en) * 2000-11-30 2002-06-18 Nissan Motor Co Ltd Gas purging device in die for die casting
JP2003112232A (en) * 2001-10-01 2003-04-15 Dai:Kk Gas vent device for die, and method for using the device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102274948A (en) * 2010-06-10 2011-12-14 迪尔工程株式会社 Method of high quality die casting
JP2011255408A (en) * 2010-06-10 2011-12-22 Die Engineering:Kk Method of high-quality die casting
JP2013063464A (en) * 2011-08-29 2013-04-11 Japan Mold Trade:Kk Degassing device for die casting
TWI473678B (en) * 2012-03-07 2015-02-21 Univ Nat Taiwan Ocean Valve structure
CN104827010A (en) * 2015-05-26 2015-08-12 重庆东科模具制造有限公司 Vacuum extraction valve used on die-casting die
CN115446282A (en) * 2022-08-31 2022-12-09 广州市型腔模具制造有限公司 Ultra-large integrated die-casting vacuum control method

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