JPS5850168A - Prevention for clogging of sprue - Google Patents
Prevention for clogging of sprueInfo
- Publication number
- JPS5850168A JPS5850168A JP14871081A JP14871081A JPS5850168A JP S5850168 A JPS5850168 A JP S5850168A JP 14871081 A JP14871081 A JP 14871081A JP 14871081 A JP14871081 A JP 14871081A JP S5850168 A JPS5850168 A JP S5850168A
- Authority
- JP
- Japan
- Prior art keywords
- stalk
- sprue
- molten metal
- furnace
- riser
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D18/00—Pressure casting; Vacuum casting
- B22D18/04—Low pressure casting, i.e. making use of pressures up to a few bars to fill the mould
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Abstract
Description
【発明の詳細な説明】
低圧鋳造機の注湯における湯口詰まり防止方法に関する
ものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for preventing sprue clogging in pouring metal into a low-pressure casting machine.
従来、低圧鋳造機において、保温炉内のアルミニウム溶
湯をストークおよびサブライデーを通して金型の湯口へ
注入する場合、アルミニウム溶湯が冷えて固まり、湯口
詰まりをおこす欠点がある。Conventionally, in a low-pressure casting machine, when molten aluminum in a heat-retaining furnace is injected into a sprue of a mold through a stalk and a sublime, the molten aluminum cools and hardens, resulting in clogging of the sprue.
本発明は、このほうな欠点を解消したもので、溶湯が常
時ストーク上部位置に一定して保持できるようにしたこ
とにより、湯口詰まりを防止することが所期できる湯口
詰まり防止方法の提供を、その目的とするものである。The present invention solves this drawback, and aims to provide a method for preventing sprue clogging, which is capable of preventing sprue clogging by ensuring that the molten metal is always maintained at a constant position above the stalk. That is the purpose.
本発明の特徴は，低圧鋳造において、保温炉の溶湯を加
圧することにより、ストーク内の湯面が常時ストーク上
部位置に一定して保持できるようにした湯口詰まり防止
方法にある。A feature of the present invention is a method of preventing sprue clogging in low-pressure casting by pressurizing the molten metal in a heat-retaining furnace so that the molten metal level in the stalk can be maintained at a constant position above the stalk at all times.
以下、本発明の実施例を、図面に基づいて説明する。Embodiments of the present invention will be described below based on the drawings.
ここで、図は、一実施例に係る低圧鋳造機の保温炉要部
の縦断側面図である。Here, the figure is a longitudinal sectional side view of a main part of a heat retention furnace of a low-pressure casting machine according to an embodiment.
図で、１は、黒鉛るつぼからなる保温炉、２は、保温炉
１に溶融されたアルミニウム溶湯、３は炉ぶた、４ＩＩ
′ｉ、保温炉１に設けられた加圧管である。In the figure, 1 is a heat retention furnace consisting of a graphite crucible, 2 is the molten aluminum melted in the heat retention furnace 1, 3 is a furnace lid, and 4II
'i is a pressurizing pipe installed in the heat-retaining furnace 1.
５は、炉ぶた３の中心部を貫通して、保温炉ｌ中に設け
られたストーク、６は、ストーク５の上部に結合された
サブライザーである。5 is a stalk that penetrates the center of the furnace lid 3 and is provided in the heat-retaining furnace 1, and 6 is a sub-riser that is connected to the upper part of the stalk 5.
７は金型の下型、８は下型７の湯口で、ザブライザ−６
と結合する。7 is the lower mold of the mold, 8 is the sprue of the lower mold 7, and the Zablizer 6
Combine with.
上記構成において、アルミニウム溶湯２が低圧で保温炉
ｌからストーク５およびサブライザー６を通って、下型
７の湯口８へ注入され、製品部へ充填されるのである。In the above configuration, the molten aluminum 2 is injected at low pressure from the heat-retaining furnace 1 through the stalk 5 and the sub-riser 6 into the sprue 8 of the lower mold 7, and is filled into the product section.
い、ま、ストーク５およびサブライザー６がはやく冷え
ると、製品部の充填が終了し、湯口８からサブライザー
６およびストーク５を通って保温炉ｌに戻る溶湯が凝固
して湯口詰まりをおこすものであるが、保温炉１には加
圧管４より空気が圧入されていて、溶湯２を加圧するこ
とにより、ストーク５内の湯面が常時ストーク５の上部
位置に一定して保持される。Well, if the stalk 5 and sub-riser 6 cool down quickly, the filling of the product section will be completed and the molten metal that will return from the sprue 8 to the insulating furnace l through the sub-riser 6 and stalk 5 will solidify and cause sprue clogging. However, air is pressurized into the heat retention furnace 1 through a pressurizing pipe 4, and by pressurizing the molten metal 2, the level of the molten metal in the stoke 5 is always maintained at a constant position above the stoke 5.
したがって、溶湯の湯温によりストーク５゜サプライデ
ー６および湯口８が冷えないので、湯口詰まりをおこす
ことがない。Therefore, the stalk 5° supply day 6 and the sprue 8 do not cool down due to the temperature of the molten metal, so the sprue does not become clogged.
以上説明したように、本実施例に係る湯口詰まり防止方
法は、保温炉１へ加圧管４で空気を圧入し、溶湯２の上
面を加圧することにより、ストーク５内の湯面を常時ス
トーク５の上部位置に一定させ、湯温によりストーク５
．サブライザー６および湯口８が冷えないようにしたの
で、湯口詰まりがおこらないものである。As explained above, the method for preventing clogging of the sprue according to this embodiment is to pressurize the upper surface of the molten metal 2 by injecting air into the heat insulating furnace 1 through the pressurizing pipe 4, thereby constantly keeping the molten metal level in the stoke 5. Stoke 5 depending on the water temperature.
．． Since the sub-riser 6 and the sprue 8 are prevented from cooling, the sprue does not become clogged.
以上述べたように、本発明は、総合して、アルミニウム
の低圧鋳造において、溶湯の湯口詰ｉりを防止する湯口
詰まり防止方法を所期できるものであって、実用的効果
に優れた発明ということができる。As described above, the present invention can provide a method for preventing sprue clogging of molten metal in low-pressure casting of aluminum, and is an invention with excellent practical effects. be able to.
図は、本発明の一実施例に係る低圧鋳造機の保温炉要部
の縦断側面図である。
１・・・保温炉、２・・・アルミニウム溶湯、５・・・
ストーク。
特許出願人
日立金属株式会社
代理人The figure is a longitudinal sectional side view of a main part of a heat retention furnace of a low-pressure casting machine according to an embodiment of the present invention. 1... Heat retention furnace, 2... Molten aluminum, 5...
Stoke. Patent applicant Hitachi Metals Co., Ltd. Agent
Claims (1)
、ストーク内の湯面が常時ストーク−Ｆ部位置に一定し
て保持できるようにしたことを特徴とする湯口詰まり防
止方法。A method for preventing sprue clogging in low-pressure casting, characterized by pressurizing molten metal in a heat-retaining furnace so that the level of the molten metal in the stalk can be maintained at a constant position at the stalk-F section at all times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14871081A JPS5850168A (en) | 1981-09-22 | 1981-09-22 | Prevention for clogging of sprue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14871081A JPS5850168A (en) | 1981-09-22 | 1981-09-22 | Prevention for clogging of sprue |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5850168A true JPS5850168A (en) | 1983-03-24 |
Family
ID=15458861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14871081A Pending JPS5850168A (en) | 1981-09-22 | 1981-09-22 | Prevention for clogging of sprue |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5850168A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011025296A (en) * | 2009-07-28 | 2011-02-10 | Sukegawa Electric Co Ltd | Casting apparatus |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5350018A (en) * | 1976-10-18 | 1978-05-08 | Pont A Mousson | Control method and device for vessel pouring metal flow repeatedly to mould |
-
1981
- 1981-09-22 JP JP14871081A patent/JPS5850168A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5350018A (en) * | 1976-10-18 | 1978-05-08 | Pont A Mousson | Control method and device for vessel pouring metal flow repeatedly to mould |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011025296A (en) * | 2009-07-28 | 2011-02-10 | Sukegawa Electric Co Ltd | Casting apparatus |
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