JP3087356B2 - Current introduction part and furnace body tilting mechanism of cold wall vacuum melting equipment - Google Patents
Current introduction part and furnace body tilting mechanism of cold wall vacuum melting equipmentInfo
- Publication number
- JP3087356B2 JP3087356B2 JP03173346A JP17334691A JP3087356B2 JP 3087356 B2 JP3087356 B2 JP 3087356B2 JP 03173346 A JP03173346 A JP 03173346A JP 17334691 A JP17334691 A JP 17334691A JP 3087356 B2 JP3087356 B2 JP 3087356B2
- Authority
- JP
- Japan
- Prior art keywords
- furnace
- tilting mechanism
- cold
- wall
- vacuum chamber
- 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.)
- Expired - Lifetime
Links
Description
【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION
【０００１】[0001]
【産業上の利用分野】この発明は真空槽内に設置されて
誘導加熱溶解を行なうコールドウォール炉に関し、特に
真空槽内のコールドウォール炉への電流導入部と真空槽
内で炉体を支持し傾動する機構とに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cold wall furnace installed in a vacuum chamber for performing induction heating and melting, and more particularly to a current introduction section for the cold wall furnace in the vacuum chamber and a furnace body supported in the vacuum chamber. Tilting mechanism.
【０００２】[0002]
【従来の技術】金属の溶解は場合により空気中の酸素と
の結合や窒素ガスの吸収、あるいは、さらに窒化物の形
成などによって生ずる特性の低下などを避ける等のため
に真空中で行なう必要があり、その際に使用される真空
槽内に設置の誘導加熱溶解のコールドウォール炉には、
電流導入部と炉体支持傾動機構とが真空槽の外部と内部
にわたり設置されるが、従来のコールドウォール炉の場
合の概略構造図を図２に示してあり、説明し易いように
真空排気やガス置換等の装置は省略されている。真空槽
１内にあり誘導加熱溶解を行うコールドウォール炉２
は、支持傾動機構３によって支持され、電源４は、炉体
に対し、この支持傾動機構３よりもさらに外側に配置さ
れ、電流導入部６は電源４からこの支持傾動機構３の円
筒導入部５（以下円筒部と略称する）に装入されたケー
ブルまたは導管７と、前記円筒部５内のケーブル保持装
置（図示せず）などによって構成される。2. Description of the Related Art In some cases, metal must be dissolved in a vacuum in order to avoid deterioration of characteristics caused by bonding with oxygen in the air, absorption of nitrogen gas, or formation of nitrides. There is a cold wall furnace of induction heating melting installed in the vacuum chamber used at that time,
The current introduction unit and the furnace body support tilting mechanism are installed over the outside and inside of the vacuum chamber. FIG. 2 shows a schematic structural diagram of a conventional cold wall furnace. Devices for gas replacement and the like are omitted. Cold wall furnace 2 in vacuum chamber 1 for induction heating and melting
Is supported by the supporting and tilting mechanism 3, the power source 4 is disposed further outside the furnace with respect to the supporting and tilting mechanism 3, and the current introducing unit 6 is supplied from the power source 4 to the cylindrical introducing unit 5 of the supporting and tilting mechanism 3. (Hereinafter, abbreviated as a cylindrical portion), a cable or a conduit 7 charged in the cylindrical portion 5, a cable holding device (not shown) in the cylindrical portion 5, and the like.
【０００３】この円筒部５は、歯車装置８を介して真空
槽外にあるモータ９、又は単に手動レバーなどの駆動装
置により導管７に直角な方向に回転され、円筒部５に固
定的に取り付けられた支持台１０を傾動し、支持台１０
が保持するコールドウォール炉２が傾動され鋳型１１内
に注湯される。このように支持傾動機構３は、本来の役
目である炉体の支持、傾動に加え電流導入部６を支持す
る役目を兼ねている。[0003] The cylindrical portion 5 is rotated in a direction perpendicular to the conduit 7 by a motor 9 outside the vacuum chamber or simply by a driving device such as a manual lever via a gear device 8, and fixedly attached to the cylindrical portion 5. The support table 10 is tilted and the support table 10 is tilted.
Is tilted and poured into the mold 11. As described above, the supporting and tilting mechanism 3 also has a role of supporting the current introduction unit 6 in addition to supporting and tilting the furnace body, which is an original role.
【０００４】[0004]
【発明が解決しようとする課題】耐火物で構成された通
常の炉の注湯時間は約１０〜３０秒で、注湯の速度、つ
まり傾動速度はそれほど早くないが、コールドウォール
炉の場合は非常に早く約１〜５秒であるために、電流導
入用のケーブルに通常使用される湾曲部、接続部など余
裕スペースの設置やスリップリング接続などは、注湯、
従って傾動の高速と、大電流値との理由で適用できな
い。従ってケーブル又は導管７が装入された円筒部５が
使用されるが、このケーブル又は導管７による電磁誘導
をなるべく受けないようにするため円筒部５の直径を大
きくする必要があり、それに従って支持傾動機構３も大
きくなる。特に小型のコールドウォール炉の場合でも、
電流値の下限が制約されて円筒部の大きさは炉に比例し
て小さくはならず、従って真空槽も大きくなる欠点があ
る。The pouring time of a normal furnace made of refractory is about 10 to 30 seconds, and the pouring speed, that is, the tilting speed, is not so fast. Since it takes about 1 to 5 seconds very quickly, the installation of extra space such as the bending section and connection section usually used for the current introduction cable, the slip ring connection, etc.
Therefore, it cannot be applied because of the high speed of the tilt and the large current value. Therefore, the cylindrical portion 5 in which the cable or the conduit 7 is inserted is used, but it is necessary to increase the diameter of the cylindrical portion 5 in order to minimize the electromagnetic induction by the cable or the conduit 7 and to support it accordingly. The tilting mechanism 3 also becomes large. Especially in the case of small cold wall furnaces,
There is a disadvantage that the lower limit of the current value is restricted and the size of the cylindrical portion does not decrease in proportion to the furnace, so that the vacuum chamber also becomes large.
【０００５】[0005]
【課題を解決するための手段】本発明では、炉体支持傾
動機構と電流導入部とを炉体に対し互いに反対側に分離
することにより、炉体支持傾動機構を小型化し、従って
特に小型のコールドウォール炉ではそれ相応の小さい真
空槽にすることを可能にして上記の課題を解決した。SUMMARY OF THE INVENTION According to the present invention, the furnace body tilting mechanism is reduced in size by separating the furnace body tilting mechanism and the current introducing portion on opposite sides of the furnace body. In the cold wall furnace, the above-mentioned problem was solved by making it possible to use a correspondingly small vacuum chamber.
【０００６】[0006]
【作用】コールドウォール炉及びコールドウォール炉を
保持する支持台は、真空槽外のモータ又は手動ハンドル
に駆動される単純な回転軸によって傾動され、その際、
コールドウォール炉の反対側方にある水冷ケーブルは少
量のたるみを持たせて容易に戻され、コールドウォール
炉は必要な傾動角度（約−３０°〜＋１１０°）だけ傾
動されて溶湯が鋳型内に注湯される。The cold-wall furnace and the support for holding the cold-wall furnace are tilted by a simple rotating shaft driven by a motor or a manual handle outside the vacuum chamber.
The water-cooled cable on the opposite side of the cold-wall furnace is easily returned with a small amount of slack, and the cold-wall furnace is tilted by the required tilt angle (about -30 ° to + 110 °) so that the molten metal enters the mold. It is poured.
【０００７】[0007]
【実施例】本発明によるコールドウォール炉の電流導入
部と炉体支持傾動機構の１実施例の概略構造図を図１に
示し、図２と同様に真空排気やガス置換の装置は省略さ
れているが、真空槽１ａ中のコールドウォール炉２ａの
一方の側面方向（図では右側）に支持傾動機構３ａが、
他方の側面方向（図で左側）に電流導入部６ａがほぼ同
一軸線上に配設され、支持傾動機構３ａは真空槽１ａの
側壁１２に取り付けられた支持ブラケット１３、コール
ドウォール炉２ａの支持台１０ａ、傾動軸５ａ、軸受部
１４、側壁カバー１５に取り付けられたシールフランジ
部１６、及び手動レバー１７から構成される。手動レバ
ー１７の代りに電動モータによって傾動軸５ａを回転し
てもよい。一方、電源４からコールドウォール炉２ａに
給電する電流導入部６ａは水冷ケーブル７ａと、側壁カ
バー部１８に取り付けられたシールソケット部１９とか
ら成り、シールソケット部１９とコールドウォール炉２
ａとの間の水冷ケーブル７ａは少量のたるみを持ち、コ
ールドウォール炉２ａが傾動するに従って捩れるように
なっている。この例では２本の水冷ケーブルを備えてい
るが、電流値を少くするため長手方向に同一円周上に配
置される４本、６本、…等の複数の対にすることもでき
る。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows a schematic structural view of an embodiment of a current introducing portion and a furnace body tilting mechanism of a cold wall furnace according to the present invention. As in FIG. However, the supporting and tilting mechanism 3a is provided on one side (right side in the drawing) of the cold wall furnace 2a in the vacuum chamber 1a.
A current introducing portion 6a is disposed substantially on the same axis in the other side direction (left side in the figure), and a support tilting mechanism 3a includes a support bracket 13 attached to a side wall 12 of the vacuum chamber 1a and a support base for the cold wall furnace 2a. 10a, a tilting shaft 5a, a bearing portion 14, a seal flange portion 16 attached to a side wall cover 15, and a manual lever 17. The tilt shaft 5a may be rotated by an electric motor instead of the manual lever 17. On the other hand, a current introducing section 6a for supplying power from the power supply 4 to the cold wall furnace 2a includes a water cooling cable 7a and a seal socket section 19 attached to the side wall cover section 18, and the seal socket section 19 and the cold wall furnace 2
The water-cooled cable 7a between them has a small amount of slack, and is twisted as the cold wall furnace 2a tilts. In this example, two water-cooled cables are provided. However, in order to reduce the current value, a plurality of pairs such as four, six,... Arranged on the same circumference in the longitudinal direction may be used.
【０００８】[0008]
【発明の効果】上記のように、炉体支持傾動機構と電流
導入部とを炉体に対し反対側に分離したので、炉体支持
傾動機構は水冷ケーブル又は導管による電磁誘導を受け
ることがなく、炉体支持傾動機構が全体として小さくな
るので真空槽も炉体に応じて必要最小限の大きさに小型
化して真空度保持に有利となりコストも低減される。As described above, since the furnace body tilting mechanism and the current introducing portion are separated on the opposite side of the furnace body, the furnace body tilting mechanism is not subjected to electromagnetic induction by a water-cooled cable or conduit. Since the furnace supporting and tilting mechanism becomes smaller as a whole, the size of the vacuum chamber is also reduced to the minimum required in accordance with the furnace, which is advantageous for maintaining the degree of vacuum and the cost is reduced.
【図１】本発明によるコールドウォール炉の電流導入部
と炉体支持傾動機構の一実施例の概略構造側面図であ
る。FIG. 1 is a schematic structural side view of one embodiment of a current introduction part and a furnace body tilting mechanism of a cold wall furnace according to the present invention.
【図２】従来のコールドウォール炉の電流導入部と炉体
支持傾動機構を示す概略構造側面図である。FIG. 2 is a schematic structural side view showing a current introduction unit and a furnace body tilting mechanism of a conventional cold wall furnace.
１ａ 真空槽 ２ａ コールドウォール炉 ３ａ 支持傾動機構 ４ 電源４ ５ａ 傾動軸 ６ａ 電流導入部 ７ａ 水冷接続部 １２ 真空槽の側壁 １９ シ−ルソケット 1a Vacuum tank 2a Cold wall furnace 3a Support tilt mechanism 4 Power supply 4 5a Tilt axis 6a Current introduction part 7a Water cooling connection part 12 Side wall of vacuum tank 19 Seal socket
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) F27D 11/06 F27B 17/00 F27D 7/06 H05B 6/02 ──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. 7 , DB name) F27D 11/06 F27B 17/00 F27D 7/06 H05B 6/02
Claims (3)
誘導加熱溶解を行うコールドウォール炉２と、前記真空
槽１の側壁に装着され前記コールドウォール炉２を真空
槽１内に支持し傾動させる支持傾動機構３と、前記真空
槽１の外部に設けられた電源４と、この電源４と前記コ
ールドウォール炉とを電気的に接続するケーブル又は導
管７とを含んで成るコールドウォール真空溶解装置にお
いて、前記支持傾動機構３が前記真空槽１の一方の側壁
に装着され、前記電源４は前記真空槽１の前記一方の側
壁と反対側の他方の側壁の外方に設けられて、前記電源
４とコールドウォール炉２とは、前記他方の側壁と前記
電源４との間を接続する電流導入部６ａと前記他方の側
壁と前記コールドウォール炉２とを接続する水冷接続部
７ａを介して接続され、前記支持傾動機構３の傾動軸と
水冷接続部７ａとは炉体に対し反対側にほぼ同一直線上
に整列して配置されていることを特徴とするコールドウ
ォール真空溶解装置の電流導入部と炉体支持傾動機構。1. A vacuum chamber 1, a cold-wall furnace 2 housed in the vacuum chamber 1 for performing induction heating and melting, and a cold-wall furnace 2 mounted on a side wall of the vacuum chamber 1 to support the cold-wall furnace 2 in the vacuum chamber 1. A cold wall vacuum comprising a supporting and tilting mechanism 3 for tilting and tilting, a power source 4 provided outside the vacuum chamber 1, and a cable or a conduit 7 for electrically connecting the power source 4 to the cold wall furnace. In the melting apparatus, the support tilting mechanism 3 is mounted on one side wall of the vacuum chamber 1, and the power source 4 is provided outside the other side wall of the vacuum chamber 1 opposite to the one side wall, The power source 4 and the cold wall furnace 2 are connected via a current introducing portion 6a connecting the other side wall and the power source 4 and a water cooling connection portion 7a connecting the other side wall and the cold wall furnace 2 to each other. Connected The tilting axis of the support tilting mechanism 3 and the water-cooling connection portion 7a are arranged on the opposite side of the furnace body so as to be substantially co-linear with each other. And furnace body tilting mechanism.
ａとは前記他方の側に設けられたシ−ルソケットを介し
て気密に且つ電気的に接続され、前記水冷接続部７ａは
前記シ−ルソケットに対し前記コールドウォール炉２の
傾動に際し無理無く捩れて追従できる程度のゆるみをも
って接続されている請求項１記載のコールドウォール真
空溶解装置の電流導入部と炉体支持傾動機構。2. The current introduction section 6a and the water cooling connection section 7.
a and hermetically connected electrically via a seal socket provided on the other side, and the water-cooled connection portion 7a is twisted without difficulty when the cold wall furnace 2 is tilted with respect to the seal socket. 2. The tilting mechanism for supporting a current in a furnace and a furnace body of a cold wall vacuum melting apparatus according to claim 1, wherein the current introducing section and the furnace body support tilting mechanism are connected with a degree of looseness that can be followed.
行に配置された複数対の導線により構成される請求項１
または２記載のコールドウォール真空溶解装置の電流導
入部と炉体支持傾動機構。3. The water-cooled connection portion 7a is composed of a plurality of pairs of conductors arranged substantially parallel to the axial direction.
Or a current introduction part and a furnace body supporting / tilting mechanism of the cold wall vacuum melting apparatus according to 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP03173346A JP3087356B2 (en) | 1991-06-19 | 1991-06-19 | Current introduction part and furnace body tilting mechanism of cold wall vacuum melting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP03173346A JP3087356B2 (en) | 1991-06-19 | 1991-06-19 | Current introduction part and furnace body tilting mechanism of cold wall vacuum melting equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04371790A JPH04371790A (en) | 1992-12-24 |
| JP3087356B2 true JP3087356B2 (en) | 2000-09-11 |
Family
ID=15958716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP03173346A Expired - Lifetime JP3087356B2 (en) | 1991-06-19 | 1991-06-19 | Current introduction part and furnace body tilting mechanism of cold wall vacuum melting equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3087356B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102679730A (en) * | 2011-12-24 | 2012-09-19 | 河南科技大学 | Crucible overturning device and vacuum induction furnace using same |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106979688A (en) * | 2017-05-03 | 2017-07-25 | 深圳微纳增材技术有限公司 | Vacuum melting furnace |
| CN108195190A (en) * | 2017-12-29 | 2018-06-22 | 株洲稀美泰材料有限责任公司 | Vacuum direct current is sintered vertical sintering furnace |
-
1991
- 1991-06-19 JP JP03173346A patent/JP3087356B2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102679730A (en) * | 2011-12-24 | 2012-09-19 | 河南科技大学 | Crucible overturning device and vacuum induction furnace using same |
| CN102679730B (en) * | 2011-12-24 | 2014-06-18 | 河南科技大学 | Crucible overturning device and vacuum induction furnace using same |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04371790A (en) | 1992-12-24 |
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