JPS59225877A - Automatic pouring device - Google Patents
Automatic pouring deviceInfo
- Publication number
- JPS59225877A JPS59225877A JP9998983A JP9998983A JPS59225877A JP S59225877 A JPS59225877 A JP S59225877A JP 9998983 A JP9998983 A JP 9998983A JP 9998983 A JP9998983 A JP 9998983A JP S59225877 A JPS59225877 A JP S59225877A
- Authority
- JP
- Japan
- Prior art keywords
- molten metal
- chamber
- diaphragm
- pressure
- hole
- 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.)
- Granted
Links
- 239000002184 metal Substances 0.000 claims abstract description 59
- 238000010079 rubber tapping Methods 0.000 claims abstract description 11
- 238000005266 casting Methods 0.000 abstract description 2
- 230000007547 defect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 11
- 239000007787 solid Substances 0.000 description 8
- 238000007789 sealing Methods 0.000 description 4
- 230000008602 contraction Effects 0.000 description 3
- 229910000639 Spring steel Inorganic materials 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D39/00—Equipment for supplying molten metal in rations
- B22D39/06—Equipment for supplying molten metal in rations having means for controlling the amount of molten metal by controlling the pressure above the molten metal
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
Description
【発明の詳細な説明】 本発明は自動注湯装置に関する。[Detailed description of the invention] The present invention relates to an automatic pouring device.
一般に、自動注湯装置においては、容器内の溶湯−に二
部空間部に、圧縮エヤー、不活性ガス等の圧縮ガスを外
部から供給して注湯孔を介して鋳型キャビティに注湯す
るようにしている。Generally, in an automatic pouring device, a compressed gas such as compressed air or inert gas is supplied from the outside to a two-part space for molten metal in a container, and the molten metal is poured into a mold cavity through a pouring hole. I have to.
しかし、これによると、溶湯容器の容積が大きくなれば
なるほど、また１回当りの注湯量が少なければ少なくな
るほど、正確な圧力制御が困難になり、注湯量がばら付
くなどの問題があった。However, according to this method, the larger the volume of the molten metal container and the smaller the amount of molten metal poured per time, the more difficult it becomes to control the pressure accurately and the amount of molten metal poured becomes inconsistent.
本発明はこれらの問題点を解決することを目的とするも
のである。以下に、本発明の構成を実施例に基づき説明
する。（１）は所定間隔を保って立設した支柱（２）の
］二二部を」一部フレーム（３）で接続した構成の門型
フレームで、この門型フレーム（１）の中間部位置には
、溶湯容器（４）が固設されている。該溶湯容器（４）
は」二部両端附近に斜め上方に開口した注湯孔（５）と
補給孔（６）をそれぞれ備え、かつこれらの中間位置に
は」一端が開口の第１気密室（７）を備えた主溶湯室（
４ａ）と第２気密室（８）を備えた固溶湯室（４ｂ）を
それぞれ設けるとともに、該第２気密室（８）は第１気
密室（７）の容積よりも少なくとも小さい構成とされ出
湯（７ｔが制御し易いようにされている。そして、該第
１気密室（７）の」―端開口面には、バネ鋼板からなる
ジャバラ状の出湯レベル維持用ダイヤフラム（９）の下
端部が気密状に係１１−シであるととも（乙該ダイヤフ
ラム（９）は−１一部フレーム（３）に下向きに取付け
られた第１圧カシリンダ′（１０）のビストンロ、ソド
（１０ａ）に連結されていて、第１圧カシリンダ（１０
）の伸長作動により、ダイヤフラム（９）を撓曲させて
第１気密室（７）及びダイヤフラム（９）内に密閉され
た気体を昇圧して主溶湯室（４ａ）の溶湯に対して圧力
を加え注湯孔（５）及び固溶湯室（４ｂ）における溶湯
レベルを常に出湯前のレベルに維持できるように設けら
れている。また、第２気密室（８）の−１一端開口面に
も前記ダイヤフラム（９）と同様にバネ鋼板よりなる出
湯用ダイヤフラム（１１）が下端部を気密状に係止して
あり、該ダイヤフラム（１１）は支柱（２）に下向きに
取付けられた第２圧カシリンダ（１２）のピストンロッ
ド（］、２ａ）に連結されていて、第２圧カシリンダ（
１２）の伸長作動により、ダイヤフラム（１１）を撓曲
させて第２気密室（８）及びダイヤフラム（１１）内の
気体を昇圧して固溶湯室（４１））における一定レベル
に維持された溶湯に対して圧力を加え注湯孔（５）を介
して常に正確な出湯ができるように設けられている。The present invention aims to solve these problems. The configuration of the present invention will be explained below based on examples. (1) is a gate-shaped frame constructed by connecting two parts of columns (2) erected at predetermined intervals with a frame (3), and the middle part of this gate-shaped frame (1) is A molten metal container (4) is fixedly installed therein. The molten metal container (4)
The second part has a pouring hole (5) and a replenishing hole (6) that open diagonally upward near both ends, and a first airtight chamber (7) that is open at one end is provided at an intermediate position between these. Main molten metal chamber (
4a) and a solid molten metal chamber (4b) each having a second airtight chamber (8), and the second airtight chamber (8) is configured to be at least smaller in volume than the first airtight chamber (7). (7t is made easy to control.The lower end of a bellows-shaped diaphragm (9) made of a spring steel plate for maintaining the hot water level is attached to the open end of the first airtight chamber (7). The diaphragm (9) is connected to the piston rod (10a) of the first pressure cylinder (10) which is mounted downwardly on the frame (3). and the first pressure cylinder (10
), the diaphragm (9) is bent to increase the pressure of the gas sealed in the first airtight chamber (7) and the diaphragm (9), thereby applying pressure to the molten metal in the main molten metal chamber (4a). In addition, the molten metal level in the pouring hole (5) and the molten metal chamber (4b) can always be maintained at the level before tapping. Also, a tap-out diaphragm (11) made of a spring steel plate is airtightly secured to the lower end of the -1 end opening surface of the second airtight chamber (8), similar to the diaphragm (9). (11) is connected to the piston rod (], 2a) of the second pressure cylinder (12) mounted downward on the support column (2), and is connected to the piston rod (2a) of the second pressure cylinder (12).
12), the diaphragm (11) is bent to increase the pressure of the gas in the second airtight chamber (8) and the diaphragm (11), and the molten metal is maintained at a constant level in the solid molten metal chamber (41). The molten metal is provided so that pressure can be applied to the molten metal to ensure accurate pouring of molten metal at all times through the pouring hole (5).
また、前記補給孔（６）の−１一端開口面には、シール
材（１３）を介して密閉蓋（１４）が設けられており、
密閉蓋（１４）は基端部において支軸に回転可能に支持
された支持腕（１５）の先端に固着され該支軸には、リ
ンク（１６）の先端が嵌着しであるとともに該リンク（
１６）の基端は、溶湯容器（４）の−に面にシリンダブ
ラケット（１７）を介して回動可能に支持された開閉シ
リンダ（１８）のピストンロッド（１８ａ）に連結され
ていて、開閉シリンダ（１８）の作動により、補給孔（
６）は密閉蓋（１４）により開閉されるようになってい
る。Further, a sealing lid (14) is provided on the -1 end opening surface of the supply hole (6) via a sealing material (13),
The sealing lid (14) is fixed to the tip of a support arm (15) which is rotatably supported on a support shaft at its base end, and the tip of a link (16) is fitted onto the support shaft. (
The base end of 16) is connected to the piston rod (18a) of an opening/closing cylinder (18) rotatably supported on the − side of the molten metal container (4) via a cylinder bracket (17), and By the operation of the cylinder (18), the supply hole (
6) is opened and closed by a sealing lid (14).
なお、ダイヤフラム（９） 、 （１１）には、開閉可
能な空気孔（図示せず）が設けてあって、該空気孔を開
いてダイヤフラム（９） （１１）内に外気を導入でき
るように設けられている。The diaphragms (9) and (11) are provided with air holes (not shown) that can be opened and closed so that outside air can be introduced into the diaphragms (9) and (11) by opening the air holes. It is provided.
このように構成されたものは、溶湯容器（４）内に所定
量の溶湯が貯溜され注湯孔（５）及び固溶湯室（４ｂ）
における溶湯−１−面が出湯レベル位置に維持されると
ともに補給孔（６）が密閉蓋（１４）によって気密状に
閉じられｔコ第１図の状態において、第２圧カシリンダ
（１２）の伸長作動により、ダイヤフラム（１１）を撓
曲させて第２気密室（８）及びダイヤフラム（１１）内
の気体を昇圧して注湯孔（５）から第１回目の溶湯を一
定量出湯したあと、ダイヤフラム（１１）の空気孔（図
示せず）を開き第２気密室（８）とダイヤフラム（１１
）内に外気を導入するとともに、第２圧カシリンダ（１
２）の縮引作動により、ダイヤフラム（１１）を伸長し
元の状態に戻す。次いで、第１圧カシリンダ（１０）の
伸長作動により、ダイヤフラム（９）を撓曲させて第１
気密室（７）及びダイヤフラム（９）内の気体を昇圧し
注湯孔（５）及び固溶湯室（４ｂ）における溶湯レベル
を出湯前のレベル位置まで押し」二げるとともに、第２
圧カシリンダ（１２）の伸長作動により、第２気密室（
８）及びダイヤフラム（１１）内の気体を再び昇圧して
注湯孔（５）を介して第２回目の出湯を行う。つづいて
、ダイヤフラム（１１）の空気孔を開き第２気密室（８
）及びダイヤフラム（１１）内に外気を導入するととも
に、第２圧カシリンダ（１２）の縮引作動により、ダイ
ヤフラム（１１）を伸長して元の状態に戻したあと、第
１圧カシリンダ（１０）の伸長作動により、ダイヤプラ
ム（９）を撓曲させて第１気密室（７）及びダイヤフラ
ム（９）内の気体を昇圧し注湯孔（５）及び固溶湯室（
４ｂ）における溶湯レベルを出湯前のレベル位置まで」
１昇させるとともに、第２圧カシリンダ（１２）の伸長
作動により、第２気密室（８）及びダイヤフラム（１１
）内の気体を昇圧し溶湯を注湯孔（５）を介して正確に
第３回目の出湯を行う。With this structure, a predetermined amount of molten metal is stored in the molten metal container (4), and a molten metal pouring hole (5) and a solid molten metal chamber (4b) are formed.
The second pressure cylinder (12) is extended in the state shown in FIG. After the operation bends the diaphragm (11) to increase the pressure of the gas in the second airtight chamber (8) and the diaphragm (11) and pour out a certain amount of the first molten metal from the pouring hole (5), Open the air hole (not shown) of the diaphragm (11) to connect the second airtight chamber (8) and the diaphragm (11).
), while introducing outside air into the second pressure cylinder (1
The contraction operation of 2) expands the diaphragm (11) and returns it to its original state. Next, by the extension operation of the first pressure cylinder (10), the diaphragm (9) is bent and the first pressure cylinder (10) is extended.
The pressure of the gas in the airtight chamber (7) and the diaphragm (9) is increased to push the molten metal level in the pouring hole (5) and solid molten metal chamber (4b) to the level before tapping, and the second
The second airtight chamber (
8) and the gas in the diaphragm (11) is again pressurized and the second pouring is performed through the pouring hole (5). Next, open the air hole of the diaphragm (11) and open the second airtight chamber (8).
) and the diaphragm (11), and the diaphragm (11) is expanded and returned to its original state by the contraction operation of the second pressure cylinder (12), and then the first pressure cylinder (10) Due to the extension operation, the diaphragm (9) is bent to increase the pressure of the gas in the first airtight chamber (7) and the diaphragm (9), and the pouring hole (5) and the solid molten metal chamber (
4b) to the level before tapping.
At the same time, the second airtight chamber (8) and the diaphragm (11
), and the molten metal is accurately poured out for the third time through the pouring hole (5).
このように前記出湯操作を繰返すことにより主溶湯室（
４ａ）における溶湯レベルが所定位置まで下がると、ダ
イヤフラム（９）の空気孔を開いて第１気密室（７）及
びダイヤプラム（９）内に外気を導入して、第１圧カシ
リンダ（１０）の縮引作動により、ダイヤフラム（９）
を伸長するとともに、開閉シリンダ（１８）の縮引作動
により、密閉蓋（１４）を聞いて溶湯容器（４）内に溶
湯を補給し、次の操作に備える。By repeating the tapping operation in this way, the main molten metal chamber (
When the molten metal level in 4a) falls to a predetermined position, the air hole of the diaphragm (9) is opened to introduce outside air into the first airtight chamber (7) and the diaphragm (9), and the first pressure cylinder (10) Due to the contraction of the diaphragm (9)
At the same time, by retracting the opening/closing cylinder (18), the sealing lid (14) is opened and molten metal is replenished into the molten metal container (4) in preparation for the next operation.
尚、前記実施例においては、密封状に閉鎖された気密室
（７）、（８）の気体を、ダイヤフラム（９）、（１１
）を撓曲させることにより昇圧するようにしたが、気密
室（７）、（８）を気密状に区画、構成して気密室（７
）、（８）内に外部からプランジャ部材を気密状に摺動
可能に嵌入し気密室（７）、（８）の気体を昇圧するよ
うにしてもよい。In the above embodiment, the gas in the hermetically closed airtight chambers (7) and (8) is transferred to the diaphragms (9) and (11).
), the airtight chambers (7) and (8) are partitioned and configured in an airtight manner.
), (8) from the outside so that a plunger member can be slidably fitted in an airtight manner to increase the pressure of the gas in the airtight chambers (7), (8).
要するに、本発明は主溶湯室の−Ｉ一部空間部における
気密状に閉鎖された一定にの気体を昇圧して注湯孔及び
固溶湯室における溶湯を常に一定レベルに維持するとと
もに、前記固溶湯室を主溶湯室よりも小さい容積に形成
して該固溶湯室における一１―部空間部の気密状に閉鎖
された一定晴の気体を昇圧して常に一定レベルに維持さ
れた溶湯を出湯するようにしたので、出湯量が常に正確
に制御でき、良好な欠陥のない鋳造品が期待できるなど
の効果を有し、この種の業界に寄与する効果は著大であ
る。In short, the present invention maintains the molten metal in the pouring hole and the solid molten metal chamber at a constant level by increasing the pressure of a certain airtightly closed gas in the -I partial space of the main molten metal chamber, and The molten metal chamber is formed to have a smaller volume than the main molten metal chamber, and the molten metal is discharged at a constant level by pressurizing the airtightly closed gas in the 11-part space in the solid molten metal chamber. As a result, the amount of hot water dispensed can be controlled accurately at all times, and good quality defect-free castings can be expected, making it a significant contribution to this type of industry.
第１図は本発明の実施例を示す一部切欠全体図である。
（４）：溶湯容器 （４ａ）：主溶湯室（４１１
） ：固溶湯室 （５）：注湯孔（６）：補給孔
（７）：第１気密室（８）：第２気密室FIG. 1 is an overall partially cutaway view showing an embodiment of the present invention. (4): Molten metal container (4a): Main molten metal chamber (411
): Solid molten metal chamber (5): Pouring hole (6): Supply hole (7): First airtight chamber (8): Second airtight chamber
Claims (1)
には気密状に閉鎖可能な補給孔をそれぞれ備え、これら
の注湯孔と補給孔の中間位置における前記補給孔帯り位
置には主溶湯室を、また前記注湯孔管り位置には該主溶
湯室よりも小さい容積の副溶湯室をそれぞれ設けるとと
もにこれらの注湯孔、補給孔、主溶湯室及び副溶潟室の
間には互いにサイフオン状に連通可能に形成した溶湯容
器と；前記主溶湯室の−１−、部空間部に形成されて密
封状に閉鎖された第１気密室における一定容量の気体を
昇圧して前記注湯孔及び副溶湯室の溶湯を出湯レベル位
置まで押上げるための出湯レベル維持装置と；前記副溶
潟室の」二部空間部に形成されて密封状に閉鎖された第
２気密室内の気体を昇圧して注湯孔から一定量の溶湯を
出湯するための出湯装置と；を具備して成る自動注湯装
置。(1) The part has a pouring hole near one end, and -1) The part has a replenishment hole that can be closed in an airtight manner near the other end, and the replenishment hole is located at an intermediate position between the pouring hole and the replenishment hole. A main molten metal chamber is provided at the belt position, and a sub-molten metal chamber with a smaller volume than the main molten metal chamber is provided at the pouring hole pipe position, and these molten metal filling holes, supply holes, main molten metal chamber and sub-molten metal chamber are provided. A molten metal container is formed between the molten metal chambers so as to be able to communicate with each other in a siphon shape. a tapping level maintaining device for pressurizing gas to push up the molten metal in the pouring hole and the sub-molten metal chamber to a tapping level; An automatic pouring device comprising: a tapping device for increasing the pressure of gas in a second airtight chamber and tapping a certain amount of molten metal from a pouring hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9998983A JPS59225877A (en) | 1983-06-03 | 1983-06-03 | Automatic pouring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9998983A JPS59225877A (en) | 1983-06-03 | 1983-06-03 | Automatic pouring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59225877A true JPS59225877A (en) | 1984-12-18 |
| JPS6358070B2 JPS6358070B2 (en) | 1988-11-14 |
Family
ID=14262051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9998983A Granted JPS59225877A (en) | 1983-06-03 | 1983-06-03 | Automatic pouring device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59225877A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0738552A2 (en) * | 1995-04-14 | 1996-10-23 | Ryobi Ltd. | Molten metal supply device |
-
1983
- 1983-06-03 JP JP9998983A patent/JPS59225877A/en active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0738552A2 (en) * | 1995-04-14 | 1996-10-23 | Ryobi Ltd. | Molten metal supply device |
| EP0738552A3 (en) * | 1995-04-14 | 1997-02-26 | Ryobi Ltd | Molten metal supply device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6358070B2 (en) | 1988-11-14 |
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