JPH03142054A - Pressure forging method which simultaneously executes parting of sprue and squeezing - Google Patents
Pressure forging method which simultaneously executes parting of sprue and squeezingInfo
- Publication number
- JPH03142054A JPH03142054A JP18766089A JP18766089A JPH03142054A JP H03142054 A JPH03142054 A JP H03142054A JP 18766089 A JP18766089 A JP 18766089A JP 18766089 A JP18766089 A JP 18766089A JP H03142054 A JPH03142054 A JP H03142054A
- Authority
- JP
- Japan
- Prior art keywords
- sprue
- molten metal
- cavity
- runner
- squeezing
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000005242 forging Methods 0.000 title 1
- 239000002184 metal Substances 0.000 claims abstract description 38
- 238000002347 injection Methods 0.000 claims abstract description 35
- 239000007924 injection Substances 0.000 claims abstract description 35
- 238000005266 casting Methods 0.000 claims abstract description 13
- 238000000926 separation method Methods 0.000 claims description 8
- 238000005452 bending Methods 0.000 abstract description 4
- 238000007711 solidification Methods 0.000 abstract 2
- 230000008023 solidification Effects 0.000 abstract 2
- 238000004512 die casting Methods 0.000 description 4
- 235000015895 biscuits Nutrition 0.000 description 1
Abstract
Description
【発明の詳細な説明】
、産業上の利用分野〕
この発明は、ダイカストマシンなどの加圧鋳造装置にお
ける加圧鋳造方法に関する。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application This invention relates to a pressure casting method in a pressure casting apparatus such as a die casting machine.
［従来の技術］
従来のダイカストの加圧鋳造方法を、第５図に基づいて
説明する。[Prior Art] A conventional pressure casting method for die casting will be explained based on FIG. 5.
１０は固定金型、１１は移動金型、１２は型分離面、１
３は射出スリーブ、１４は射出プランジャであり、射出
プランジャ１４を不図示の油圧シリンダで前進して溶湯
をキャビティ内に射出充填した後、スクイズピン２９を
不図示のアクチュエータで前進させてスクイズを行うも
のであり、図はスクイズを完了した状態を示している。10 is a fixed mold, 11 is a movable mold, 12 is a mold separation surface, 1
3 is an injection sleeve, and 14 is an injection plunger. After the injection plunger 14 is advanced by a hydraulic cylinder (not shown) to inject and fill the molten metal into the cavity, the squeeze pin 29 is advanced by an actuator (not shown) to perform squeezing. The figure shows the state after the squeeze has been completed.
２５は鋳造製品でキャビティの湯口２８と、それに続く
湯道２７およびビスケット２６とともに金型から取出し
、鋸盤などの湯道切断装置で切断していた。Reference numeral 25 is a cast product, which is removed from the mold together with the sprue 28 of the cavity, the runner 27 following it, and the biscuit 26, and cut with a runner cutting device such as a saw.
また、巣のない鋳造製品を得るために金型装置にスクイ
ズピン２９を前進させてキャビティ内の溶湯を押圧し高
圧を付加するようにしているが、そのために鋳造製品に
はスクイズピンのストローりＳに相当する凹部３０が形
成される。In addition, in order to obtain a cast product without cavities, a squeeze pin 29 is advanced in the mold device to press the molten metal in the cavity and apply high pressure. A recess 30 corresponding to S is formed.
［発明が解決しようとする課題］
ところで、このような従来の加圧鋳造方法では、鈎逍後
に別工程で湯道を切断することになり生産性および鋪道
コストの面で問題があった。[Problems to be Solved by the Invention] However, in such a conventional pressure casting method, the runner is cut in a separate process after hooking, which causes problems in terms of productivity and road cost.
また、スクイズピン２９をキャビティに面して配設する
ことは鋳造製品２５に凹部３ｏが形成されるので製品の
形状に制限があった。Further, when the squeeze pin 29 is disposed facing the cavity, a recess 3o is formed in the cast product 25, which limits the shape of the product.
本発明は、以上のような点を改善するために、鋳造工程
で湯道を切断するとともに、鋳造製品にスクイズピンに
よる凹部が生じることを解消したもので、湯口の分断と
スクイズを同時に行うことを特徴とする加圧鋳造方法を
提供することを目的とする。In order to improve the above-mentioned points, the present invention eliminates the problem of cutting the runner during the casting process and creating a recessed part in the cast product due to the squeeze pin, and it is possible to separate the runner and squeeze at the same time. The purpose of the present invention is to provide a pressure casting method characterized by the following.
［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は、固定金型と移動
金型の型分離面に、キャビティの湯口と溶湯射出部を連
通ずる湯道を屈折路に形成して配設し、前記キャビティ
の湯口に連通ずる湯道を前記湯口と反対側に等断面積で
直線状に延長してスクイズピンを摺動可能に嵌設し、鋳
造に際し前記屈折路の溶湯射出部側より前記キャビティ
内に溶湯を射出充填し、次に、前記スクイズピンを前記
キャビティの湯口に向って前進させ、前記屈折路の溶湯
射出部側の湯道を閉塞し、前記キャビティの湯口を分断
するとともに、さらに前進して凝固しつつあるキャビテ
ィ内の前記溶湯を押圧し高圧を付加してスクイズを行う
ことを特徴とした湯口分断とスクイズを同時に行う加圧
鋳造方法とする。[Means for Solving the Problems] In order to achieve the above object, the present invention provides a runner that communicates the sprue of the cavity and the molten metal injection part with a refraction path on the mold separation surface of the fixed mold and the movable mold. A runner that communicates with the sprue of the cavity is extended in a straight line with an equal cross-sectional area on the opposite side of the sprue, and a squeeze pin is slidably fitted therein. The molten metal is injected and filled into the cavity from the molten metal injection section side, and then the squeeze pin is advanced toward the sprue of the cavity to close the runner on the molten metal injection section side of the bending path, and the cavity is closed. This pressurized casting method is characterized in that the sprue is divided and the molten metal in the cavity that is solidifying is further advanced and squeezed by applying high pressure to perform the sprue division and squeezing at the same time.
［作 用］
キャビティ内に溶湯を射出充填した後、湯道内をキャビ
ティの湯口に向って前進されるスクイズピンにより屈折
路の溶湯射出部側の湯道を閉塞し湯口を分断するととも
に、さらに、スクイズピンを前進させてキャビティ内の
溶湯を押圧し高圧を付加してスクイズを行う。[Function] After the molten metal is injected and filled into the cavity, a squeeze pin is advanced in the runner toward the sprue of the cavity to block the runner on the molten metal injection part side of the bending path and divide the sprue, and further, The squeeze pin is moved forward to press the molten metal in the cavity and apply high pressure to perform squeezing.
［実施例］
以下、本発明の一実施例を第１図ないし第４図に基づい
て詳細に説明する。[Example] Hereinafter, an example of the present invention will be described in detail based on FIGS. 1 to 4.
１０は固定金型、１１は移動金型、１２は型分離面、１
５はキャビティである。10 is a fixed mold, 11 is a movable mold, 12 is a mold separation surface, 1
5 is a cavity.
１３は射出スリーブ、１４は射出プランジャで、射出ス
リーブ１３内に注湯された溶湯１６を射出プランジャ１
４でキャビティ１５内に射出充填する溶湯射出部である
。13 is an injection sleeve, 14 is an injection plunger, and the molten metal 16 poured into the injection sleeve 13 is transferred to the injection plunger 1.
4 is an injection part for injecting and filling the cavity 15 with molten metal.
１７は湯道で、溶湯１６をキャビティ１５内に注入する
ために前記溶湯射出部からキャビティ１５の湯ロエ８に
連通する。A runner 17 communicates with the molten metal 8 of the cavity 15 from the molten metal injection part to inject the molten metal 16 into the cavity 15.
金型の型分離面１２には湯道１７が屈折路を形成して配
設されており、２０は湯道１７の屈折路の溶湯射出部側
である。湯道１７の湯口１８と反射量は等断面積で直線
状に延長されており、スクイズピン１９が摺動可能に嵌
設されて不図示のアクチュエータで進退可能になってい
る。A runner 17 is disposed on the mold separation surface 12 of the mold to form a refraction path, and 20 is the molten metal injection portion side of the refraction path of the runner 17. The sprue 18 of the runner 17 and the reflection amount extend linearly with the same cross-sectional area, and a squeeze pin 19 is slidably fitted therein and can be moved back and forth by an actuator (not shown).
従って、射出スリーブ１３内の溶湯１６を射出プランジ
ャ１４で射出し、湯道１７を介して湯口１８からキャビ
ティ１５内に充填した後、スクイズピン１９を湯口１８
に向って前進させると、スクイズピン１９は第３図の示
す位置に達し、湯道１７の屈折路の溶湯射出部１１１１
２０をｒｊ１１塞して湯道１７を分断する。Therefore, after the molten metal 16 in the injection sleeve 13 is injected by the injection plunger 14 and filled into the cavity 15 from the sprue 18 via the runner 17, the squeeze pin 19 is inserted into the sprue 18.
When the squeeze pin 19 is moved forward toward the position shown in FIG. 3, the squeeze pin 19 reaches the position shown in FIG.
20 and rj11 to separate the runner 17.
さらに、スクイズピン１９を前進させ第４図に示す位置
に達し、キャビティ１５内の凝固しつつある溶湯を押圧
し高圧を付加してスクイズを行う。Further, the squeeze pin 19 is advanced to reach the position shown in FIG. 4, and the solidifying molten metal in the cavity 15 is pressed and high pressure is applied to perform squeezing.
Ｓはスクイズピン１９を前進ストロークである。S is the forward stroke of the squeeze pin 19.
このようにして、加圧鋳造の工程において、スクイズピ
ンを前進させて鋳造製品の湯口を分断するとともに、同
時に湯口部分からキャビティ内の凝固しつつある溶湯に
高圧を付加してスクイズを行うことになる。In this way, in the pressure casting process, the squeeze pin is advanced to separate the sprue of the cast product, and at the same time, high pressure is applied from the sprue to the solidifying molten metal in the cavity to squeeze it. Become.
本発明は、溶湯射出部が射出スリーブ、射出１ランジヤ
とからなる加圧鋳造装置に限定するものではなく、溶湯
を加圧給湯する他の種々の装置に適用されるものである
。The present invention is not limited to a pressure casting apparatus in which the molten metal injection section includes an injection sleeve and an injection 1-lunger, but is applicable to various other apparatuses that supply molten metal under pressure.
［発明の効果］
上述のように、本発明によれば、加圧鋳造の際に、鋳造
製品から湯道およびビスゲットを分離する湯口分断と、
巣の発生をなくし強度を増加して鋳造製品の品質を向上
するスクイズ効果とを同時に行うことができる。[Effects of the Invention] As described above, according to the present invention, sprue separation is performed to separate the runner and the bisget from the cast product during pressure casting;
A squeezing effect that eliminates the occurrence of cavities, increases strength, and improves the quality of cast products can be achieved at the same time.
第１図は本発明の一実施例のダイカストマシンの溶湯射
出部と金型装置の一部を示した断面図。
第２図は第１図のＡ−Ａ断面図、第３図は第２図のスク
イズピンが前進して湯道の屈折路の溶湯射出部側を閉塞
した状態を示す断面図。第３図は第２図のスクイズピン
がさらに前進してキャビティ内に高圧を付加してスクイ
ズを行っている状態を示す断面図、第５図は従来のダイ
カストマシンの溶湯射出部と金型装置の一部を示した断
面図。
１０・・・固定金型、１１・・・移動金型、１２・・・
型分離面、１３・・・射出スリーブ、１４・・・射出プ
ランジャ、１５・・・キャビティ、１６・・・溶湯、１
７・・・湯道、１８・・・湯口、１９・・・スクイズピ
ン、
２０・・・湯道の屈折路の溶湯射出部側、２５・・・鋳
造製品、２６・・・ビスゲット、２７・・・湯道、２８
・・・湯口、
２９・・・スクイズピン、３０・・・凹部。FIG. 1 is a sectional view showing a part of a molten metal injection part and a mold device of a die casting machine according to an embodiment of the present invention. 2 is a cross-sectional view taken along the line A-A in FIG. 1, and FIG. 3 is a cross-sectional view showing the state in which the squeeze pin shown in FIG. 2 moves forward and closes the molten metal injection portion side of the refracted path of the runner. Figure 3 is a cross-sectional view showing the state in which the squeeze pin in Figure 2 advances further and applies high pressure inside the cavity to perform squeezing, and Figure 5 shows the molten metal injection section and mold device of a conventional die-casting machine. A cross-sectional view showing a part of. 10... Fixed mold, 11... Movable mold, 12...
Mold separation surface, 13... Injection sleeve, 14... Injection plunger, 15... Cavity, 16... Molten metal, 1
7... Runway, 18... Sprue, 19... Squeeze pin, 20... Molten metal injection part side of the bending path of the runner, 25... Cast product, 26... Visget, 27...・・Yudo, 28
... sprue, 29 ... squeeze pin, 30 ... recess.
Claims (1)
湯口と溶湯射出部を連通する湯道を屈折路に形成して配
設し、前記キャビティの湯口に連通する湯道を前記湯口
と反対側に等断面積で直線状に延長してスクイズピンを
摺動可能に嵌設し、鋳造に際し前記屈折路の溶湯射出部
側より前記キャビティ内に溶湯を射出充填し、次に、前
記スクイズピンを前記キャビティの湯口に向って前進さ
せ、前記屈折路の溶湯射出部側の湯道を閉塞し、前記キ
ャビティの湯口を分断するとともに、さらに前進して凝
固しつつある前記キャビティ内の溶湯を押圧し高圧を付
加してスクイズを行うことを特徴とする湯口分断とスク
イズを同時に行う加圧鋳造方法。(1) A runner that communicates the sprue of the cavity and the molten metal injection part is formed in a bent path and is arranged on the mold separation surface of the fixed mold and the movable mold, and the runner that communicates with the sprue of the cavity is connected to the runner that communicates with the sprue of the cavity. A squeeze pin is slidably fitted in a straight line with an equal cross-sectional area on the opposite side of the sprue, and during casting, molten metal is injected and filled into the cavity from the molten metal injection part side of the bent path, and then, The squeeze pin is advanced toward the sprue of the cavity to close the runner on the side of the molten metal injection part of the bent path, dividing the sprue of the cavity, and further advances to block the runner in the cavity that is solidifying. A pressure casting method that simultaneously performs sprue separation and squeezing, which is characterized by squeezing the molten metal by applying high pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18766089A JPH03142054A (en) | 1989-07-20 | 1989-07-20 | Pressure forging method which simultaneously executes parting of sprue and squeezing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18766089A JPH03142054A (en) | 1989-07-20 | 1989-07-20 | Pressure forging method which simultaneously executes parting of sprue and squeezing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03142054A true JPH03142054A (en) | 1991-06-17 |
Family
ID=16209956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18766089A Pending JPH03142054A (en) | 1989-07-20 | 1989-07-20 | Pressure forging method which simultaneously executes parting of sprue and squeezing |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03142054A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5595236A (en) * | 1995-05-08 | 1997-01-21 | Korea Institute Of Science And Technology | Vertical squeeze casting apparatus |
| US5908065A (en) * | 1995-01-23 | 1999-06-01 | Papervision Limited | Apparatus and method for squeeze casting |
| CN106312008A (en) * | 2016-11-02 | 2017-01-11 | 程志强 | Casting-forging integrated hydraulic machine |
| CN106424643A (en) * | 2016-10-12 | 2017-02-22 | 程志强 | Die-casting die and die-casting method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS635862A (en) * | 1986-06-24 | 1988-01-11 | Toshiba Mach Co Ltd | Method and apparatus for plunger pressurizing casting |
-
1989
- 1989-07-20 JP JP18766089A patent/JPH03142054A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS635862A (en) * | 1986-06-24 | 1988-01-11 | Toshiba Mach Co Ltd | Method and apparatus for plunger pressurizing casting |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5908065A (en) * | 1995-01-23 | 1999-06-01 | Papervision Limited | Apparatus and method for squeeze casting |
| US5595236A (en) * | 1995-05-08 | 1997-01-21 | Korea Institute Of Science And Technology | Vertical squeeze casting apparatus |
| CN106424643A (en) * | 2016-10-12 | 2017-02-22 | 程志强 | Die-casting die and die-casting method |
| CN106312008A (en) * | 2016-11-02 | 2017-01-11 | 程志强 | Casting-forging integrated hydraulic machine |
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