JPH01321058A - Twin type centrifugal casting apparatus - Google Patents
Twin type centrifugal casting apparatusInfo
- Publication number
- JPH01321058A JPH01321058A JP15537888A JP15537888A JPH01321058A JP H01321058 A JPH01321058 A JP H01321058A JP 15537888 A JP15537888 A JP 15537888A JP 15537888 A JP15537888 A JP 15537888A JP H01321058 A JPH01321058 A JP H01321058A
- Authority
- JP
- Japan
- Prior art keywords
- casting ladle
- pouring
- molten metal
- pair
- support shaft
- 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.)
- Withdrawn
Links
- 238000009750 centrifugal casting Methods 0.000 title claims description 5
- 238000005266 casting Methods 0.000 claims abstract description 36
- 230000009977 dual effect Effects 0.000 claims 1
- 239000002184 metal Substances 0.000 abstract description 24
- 238000010079 rubber tapping Methods 0.000 abstract 2
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 208000015943 Coeliac disease Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
Description
【発明の詳細な説明】 産業上の利用分野 本発明は二連式遠心鋳造装置に関する。[Detailed description of the invention] Industrial applications The present invention relates to a double-barrel centrifugal casting apparatus.
従来の技術
従来の二連式遠心鋳造装置は、複数の注湯樋に対して単
一の鋳込取鍋から同時に溶湯を注湯し、その注湯量を同
量に維持することにより、−度の鋳込工程で鋳造される
各製品管肉厚および重量の均一化を行っている。2. Description of the Related Art Conventional double-barrel centrifugal casting equipment simultaneously pours molten metal from a single casting ladle into multiple pouring troughs, and maintains the same amount of molten metal to achieve - The wall thickness and weight of each product pipe cast in the casting process are made uniform.
発明が解決しようとする課題
しかし、上記した従来の構成においては、注湯樋の傾斜
角度や渭部の粗度などが微妙に変化して溶湯流量および
溶湯流速に差が生じ、結果として各製品管肉厚にバラツ
キが生じる問題があった。Problems to be Solved by the Invention However, in the conventional configuration described above, the inclination angle of the pouring gutter and the roughness of the bank part change slightly, resulting in differences in the molten metal flow rate and molten metal flow velocity, and as a result, each product There was a problem with variations in tube wall thickness.
本発明は上記課題を解決するもので、溶湯流量および溶
湯流速を調節して均一な管肉厚の製品管を鋳造すること
ができる二連式遠心鋳造装置を提供することを目的とす
る。The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a dual-stage centrifugal casting apparatus that can cast product pipes with uniform wall thickness by adjusting the flow rate and velocity of the molten metal.
課題を解決するための手段
上記課題を解決するために、本発明は、平行に配置され
た一対の注湯樋のそれぞれに対する一対の出湯口を有し
て、この出湯口を挾んで位置する両側の支軸まわりに回
転して転倒可能に設けられた鋳込取鍋と、との鋳込取鍋
の一方の支軸を自在継手を介して支持するとともに、こ
の支軸を回転駆動する転倒装置と、鋳込取鍋の他方の支
軸を球面軸受を介して支持するとともに、前記自在継手
を支点として球面軸受を上下動させて鋳込取鍋を上下に
揺動させる傾斜装置とを備え、この傾斜装置を、一端で
球面軸受を介して鋳込取鍋の他方の支軸を支持するとと
もに、中ほどを回動支軸に回動自在に支持され、この回
動支軸を揺動中心として上下方向に揺動自在に設けられ
た揺動アームと、との揺動アームの他端を揺動方向に付
勢するねじジヤツキとで構成したものである。Means for Solving the Problems In order to solve the above-mentioned problems, the present invention has a pair of pouring ports for each of a pair of pouring troughs arranged in parallel, and has two tap holes on both sides sandwiching the tapholes. a casting ladle that is rotatable around a support shaft and can be tipped over, and an overturning device that supports one support shaft of the casting ladle via a universal joint and rotationally drives this support shaft. and a tilting device that supports the other support shaft of the casting ladle via a spherical bearing and moves the spherical bearing up and down using the universal joint as a fulcrum to swing the casting ladle up and down, One end of this tilting device supports the other support shaft of the casting ladle via a spherical bearing, and the middle part is rotatably supported on a rotation support shaft, and this rotation support shaft is the center of rotation. The swing arm is provided to be swingable in the vertical direction, and a screw jack biases the other end of the swing arm in the swing direction.
作用
上記構成により、注湯樋が挿入配置される鋳型内に溶湯
を鋳込むときには、転倒装置の駆動によって鋳込取鍋を
転倒させ、百出湯口から溶湯をそれぞれの注湯樋に注湯
する。そして、−度に鋳造される一対の製品管の間に管
肉厚の差が生じるときには、傾斜装置により支軸の軸心
が水平に対して傾くように鋳込取鍋を傾斜させ、流出溶
湯量が多い一方の出湯口を他方の出湯口に較べて上方に
位置させることによって、一方の出湯口における溶湯の
流出量を減少させ、双方の出湯口における流出溶湯量が
均衡するように調節する。Operation With the above configuration, when pouring molten metal into a mold into which a pouring gutter is inserted, the casting ladle is overturned by driving the tipping device, and the molten metal is poured into each pouring gutter from the pouring spout. When a difference in wall thickness occurs between a pair of product tubes that are cast at the same time, the casting ladle is tilted using a tilting device so that the axis of the support shaft is tilted relative to the horizontal, and the molten metal flowing out is tilted. By locating one tap with a large amount above the other tap, the amount of molten metal flowing out from one tap is reduced, and the amount of molten metal flowing out from both taps is adjusted so as to be balanced. .
このとき、傾斜装置はねじジヤツキの動きを揺動アーム
を介して鋳込取鍋に伝えるので、傾斜角度が細かく正確
に制御され、流出溶湯量を正確に調節することができる
。At this time, since the tilting device transmits the movement of the screw jack to the casting ladle via the swing arm, the tilt angle can be finely and accurately controlled, and the amount of flowing molten metal can be precisely adjusted.
実施例
以下、本発明の一実施例を図面に基づいて説明する。第
１図〜第４図において、取鍋１の前方に鋳込取鍋２が配
置されており、この鋳込取鍋２に設けた一対の出湯口３
ａ、３ｂに対応して、一対の注湯樋４ａ、４ｂが平行に
配置されている。また、鋳込取鍋２には、一対の支軸５
ａ、５ｂが出湯口３ａ、３ｂを挾んで両側に位置してい
る。そして、鋳込取鍋２の一方の支軸５ａは自在継手６
を介して転倒装置７に支持されており、他方の支軸５ｂ
は球面軸受８を介して傾斜装置９に支持されている。し
たがって、鋳込取鍋２は転倒装置７による支軸５ａの回
転駆動により、支軸５ａ。EXAMPLE Hereinafter, an example of the present invention will be described based on the drawings. 1 to 4, a casting ladle 2 is arranged in front of a ladle 1, and a pair of tap holes 3 provided on this casting ladle 2.
A pair of pouring troughs 4a and 4b are arranged in parallel corresponding to a and 3b. The casting ladle 2 also has a pair of support shafts 5.
a and 5b are located on both sides of the tap holes 3a and 3b. One support shaft 5a of the casting ladle 2 is connected to a universal joint 6.
is supported by the overturning device 7 via the other support shaft 5b.
is supported by a tilting device 9 via a spherical bearing 8. Therefore, the casting ladle 2 is rotated by the rotation of the support shaft 5a by the overturning device 7, so that the support shaft 5a is rotated.
うｂの軸心まわりに回転して転倒可能になされている。It is made to be able to rotate around the axis of the back and fall over.
そして、傾斜装置９には、球面軸受８を介して鋳込収ｇ
ｌ！Ｊ２の他方の支軸５ｂを支持する揺動アーム１０が
設けられており、この揺動アーム１０は中ほどを回動支
軸１１に回動自在に支持されている。The tilting device 9 is provided with a casting g
l! A swinging arm 10 supporting the other support shaft 5b of J2 is provided, and the swinging arm 10 is rotatably supported in the middle by a rotation support shaft 11.
このため、揺動アーム１０は回動支軸１１を揺動中心と
して上下方向に揺動自在になされている。そして、揺動
アーム１０のｆｌ！！端は連結部１２を介してウオーム
ジヤツキ１３の稼働部１４に結合している。すなわち、
連結部１２は稼働部１４を挾むようにして一対配置され
、連結部１２に形成した消部１５に稼動部１４のピン部
１６がベアリング１７を介して係合し、稼働部１４の出
退によって揺動アーム１０が稼働部１４の軸心方向に付
勢されるようになされている。また、稼働部１４には移
動量を示すメモリ部１４ａが設けられている。そして、
ウオームジヤツキ１３の駆動部１８には、稼働部１４の
移動量を検出するエンコーダー１９およびウオームジヤ
ツキ１３の過負荷を検出するトルク検出装置２０が設け
られており、エンコーダー１９とトルク検出装置２０は
駆動部１８の制御装置（図示せず）に電気的に接′続さ
れている。２１は揺動アーム１０の最大揺動角度を規制
する安全ストッパーである。Therefore, the swing arm 10 is able to swing vertically about the pivot shaft 11. And fl of the swinging arm 10! ! The end is connected to a working part 14 of a worm jack 13 via a connecting part 12. That is,
A pair of connecting parts 12 are arranged so as to sandwich the operating part 14, and a pin part 16 of the operating part 14 engages with a dissipating part 15 formed in the connecting part 12 via a bearing 17, and swings as the operating part 14 moves in and out. The arm 10 is biased in the axial direction of the operating section 14. The operating unit 14 is also provided with a memory unit 14a that indicates the amount of movement. and,
The drive section 18 of the worm jack 13 is provided with an encoder 19 that detects the amount of movement of the operating section 14 and a torque detection device 20 that detects overload of the worm jack 13. The controller is electrically connected to a control device (not shown). 21 is a safety stopper that restricts the maximum swing angle of the swing arm 10.
以下、上記構成における作用について説明する。Hereinafter, the effects of the above configuration will be explained.
まず、鋳造時には、注湯樋４ａ、４ｂをそれぞれの鋳型
（図示せず）の内部に挿入配置し、転倒装置７の駆動に
よって鋳込取鍋２を転倒させ、百出湯口３ａ、３ｂから
溶湯をそれぞれの注湯ｔｉｆｆｉ４ａ。First, during casting, the pouring troughs 4a and 4b are inserted into the respective molds (not shown), and the casting ladle 2 is overturned by driving the overturning device 7, and the molten metal is poured from the sprues 3a and 3b. Each pouring tiffi4a.
４ｂに注湯する。そして、−度の鋳込みによって鋳造さ
れた一対の製品管の間に管肉厚の差、および重量差が生
じるときには、傾斜装置９により支軸５ａ、５ｂの軸心
が水平に対して傾くように鋳込取鍋２を、自在継手６を
支点として傾斜させ、流出溶湯量が多い一方の出湯口３
ａを他方の出湯口３ｂに較べて上方に位置させる。この
とき、必要に応じてセットボルト２１を出退させる。そ
して、このことによって、一方の出湯口３ａにおける溶
湯の流出量を減少させ、双方の出湯口３ａ、３ｂにおけ
る流出溶湯量が均衡するように調節する。Pour hot water into 4b. When a difference in wall thickness or weight occurs between a pair of product tubes cast by -degree casting, the tilting device 9 is used to tilt the axes of the support shafts 5a and 5b with respect to the horizontal. The casting ladle 2 is tilted about the universal joint 6 as a fulcrum, and the outlet 3 has a larger amount of molten metal flowing out.
a is positioned above the other outlet 3b. At this time, the set bolt 21 is moved in and out as necessary. As a result, the amount of molten metal flowing out from one tap 3a is reduced, and the amount of molten metal flowing out from both taps 3a, 3b is adjusted so as to be balanced.
この調節は、先に鋳造された製品管の重量差に基づいて
、ウオームジヤツキ１３の稼働部１４をエンコーダー１
９で移動量を検出しながら重量差に見合う所定距離だけ
出退させ、この移動量を揺動アーム１０を介して鋳込取
鍋２に与えることにより行うので、傾斜角度が細かく正
確に制御され、流出溶湯量を正確に調節することができ
る。なお、重量差と調節すべき流出溶湯量と傾斜角度と
稼働部の移動量との関係は予じめ算出しておく。This adjustment is performed by moving the working part 14 of the worm jack 13 to the encoder 1 based on the weight difference of the previously cast product tubes.
Since the movement is detected at step 9, the casting ladle is moved forward and backward by a predetermined distance commensurate with the weight difference, and this movement is applied to the casting ladle 2 via the swing arm 10, so that the angle of inclination can be controlled finely and accurately. , the amount of molten metal flowing out can be adjusted accurately. Note that the relationship between the weight difference, the amount of flowing molten metal to be adjusted, the inclination angle, and the amount of movement of the operating part is calculated in advance.
発明の効果
以上述べたように、本発明によれば、鋳込取鍋を傾斜さ
せることにより岡山湯口における流出溶湯量を調節する
ことができる。しかも、鋳込取鍋の傾斜は、ねじジヤツ
キの移動量が揺動アームを介して鋳込取鍋に与えられる
ことにより行われるので、傾斜角度を細かく正確に制御
して流出溶湯量を正確に調節することができる。Effects of the Invention As described above, according to the present invention, the amount of molten metal flowing out from the Okayama sprue can be adjusted by tilting the casting ladle. Furthermore, since the inclination of the casting ladle is achieved by applying the amount of movement of the screw jack to the casting ladle via the swinging arm, the inclination angle can be finely and precisely controlled to accurately control the amount of molten metal flowing out. Can be adjusted.
第１図は本発明の一実施例を示す全体構成図、第２図は
第１図のＡ−Ａ矢視断面図、第３図は第１図のＢ−Ｂ矢
視断面図、第４図は第１図のＣ部拡大図である。
２・・・鋳込取鍋、３ａ、３ｂ・・・出湯口、４ａ。
４ｂ・・・注湯樋、５ａ、５ｂ・・・支軸、６・・・自
在継手、７・・・転倒装置、８・・・球面継手、９・・
・傾斜装置、１０・・・揺動アーム、１１・・・回動支
軸、１２・・・連結部、１３・・・ウオームジヤツキ、
１４・・・稼働部。
代理人 森 本 義 弘1 is an overall configuration diagram showing one embodiment of the present invention, FIG. 2 is a cross-sectional view taken along the line A-A in FIG. 1, FIG. 3 is a cross-sectional view taken along the line B-B in FIG. 1, and FIG. The figure is an enlarged view of section C in FIG. 1. 2... Casting ladle, 3a, 3b... Tap, 4a. 4b... Pouring gutter, 5a, 5b... Support shaft, 6... Universal joint, 7... Tipping device, 8... Spherical joint, 9...
・Tilt device, 10... Swing arm, 11... Rotating shaft, 12... Connecting part, 13... Worm jack,
14... Working part. Agent Yoshihiro Morimoto
Claims (1)
る一対の出湯口を有して、この出湯口を挾んで位置する
両側の支軸まわりに回転して転倒可能に設けられた鋳込
取鍋と、この鋳込取鍋の一方の支軸を自在継手を介して
支持するとともに、この支軸を回転駆動する転倒装置と
、鋳込取鍋の他方の支軸を球面軸受を介して支持すると
ともに、前記自在継手を支点として球面軸受を上下動さ
せて鋳込取鍋を上下に揺動させる傾斜装置とを備え、こ
の傾斜装置を、一端で球面軸受を介して鋳込取鍋の他方
の支軸を支持するとともに、中ほどを回動支軸に回動自
在に支持され、この回動支軸を揺動中心として上下方向
に揺動自在に設けられた揺動アームと、この揺動アーム
の他端を揺動方向に付勢するねじジャッキとで構成した
ことを特徴とする二連式遠心鋳造装置。1. A caster that has a pair of pouring holes corresponding to each of a pair of pouring troughs arranged in parallel, and is installed so that it can rotate and fall over around supporting shafts on both sides that are positioned between the pouring holes. A pouring ladle, an overturning device that supports one spindle of the casting ladle via a universal joint and rotates the spindle, and supports the other spindle of the casting ladle via a spherical bearing. and a tilting device that swings the casting ladle up and down by moving a spherical bearing up and down using the universal joint as a fulcrum, and the tilting device is connected to the casting ladle through the spherical bearing at one end. a swinging arm that supports the other support shaft of the swing arm and is rotatably supported at the middle by a rotation support shaft, and is provided to be swingable in the vertical direction about the rotation support shaft; A dual centrifugal casting device comprising a screw jack that biases the other end of the swinging arm in the swinging direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15537888A JPH01321058A (en) | 1988-06-22 | 1988-06-22 | Twin type centrifugal casting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15537888A JPH01321058A (en) | 1988-06-22 | 1988-06-22 | Twin type centrifugal casting apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01321058A true JPH01321058A (en) | 1989-12-27 |
Family
ID=15604635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15537888A Withdrawn JPH01321058A (en) | 1988-06-22 | 1988-06-22 | Twin type centrifugal casting apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01321058A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5442019A (en) * | 1977-09-09 | 1979-04-03 | Ono Gijiyutsu Kenkiyuushiyo Yu | Constant pressure injector for pressure vessel |
| JPS5515475B2 (en) * | 1972-08-21 | 1980-04-23 | ||
| JPS594961A (en) * | 1982-06-29 | 1984-01-11 | Asahi Malleable Iron Co Ltd | Method for adjusting balance in tapping rate of charging ladle |
-
1988
- 1988-06-22 JP JP15537888A patent/JPH01321058A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5515475B2 (en) * | 1972-08-21 | 1980-04-23 | ||
| JPS5442019A (en) * | 1977-09-09 | 1979-04-03 | Ono Gijiyutsu Kenkiyuushiyo Yu | Constant pressure injector for pressure vessel |
| JPS594961A (en) * | 1982-06-29 | 1984-01-11 | Asahi Malleable Iron Co Ltd | Method for adjusting balance in tapping rate of charging ladle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |