JPH01192447A - Method and apparatus for continuously forming metallic slurry for continuous casting - Google Patents
Method and apparatus for continuously forming metallic slurry for continuous castingInfo
- Publication number
- JPH01192447A JPH01192447A JP1648688A JP1648688A JPH01192447A JP H01192447 A JPH01192447 A JP H01192447A JP 1648688 A JP1648688 A JP 1648688A JP 1648688 A JP1648688 A JP 1648688A JP H01192447 A JPH01192447 A JP H01192447A
- Authority
- JP
- Japan
- Prior art keywords
- stirring
- slurry
- metal slurry
- continuous casting
- fed
- 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
- 239000002002 slurry Substances 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000009749 continuous casting Methods 0.000 title claims abstract description 16
- 238000003756 stirring Methods 0.000 claims abstract description 60
- 239000007788 liquid Substances 0.000 claims abstract description 11
- 229910052751 metal Inorganic materials 0.000 claims description 46
- 239000002184 metal Substances 0.000 claims description 46
- 238000000465 moulding Methods 0.000 claims description 12
- 238000007711 solidification Methods 0.000 claims 1
- 230000008023 solidification Effects 0.000 claims 1
- 230000009974 thixotropic effect Effects 0.000 abstract description 8
- 238000002791 soaking Methods 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 210000001787 dendrite Anatomy 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 239000010959 steel 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
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/10—Supplying or treating molten metal
- B22D11/11—Treating the molten metal
- B22D11/114—Treating the molten metal by using agitating or vibrating means
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は、連続鋳造用の金属スラリーをその成形工程に
連続的に送給して成形する方法及びその装置に関するも
のである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a method and apparatus for continuously feeding a metal slurry for continuous casting into a molding process.
［従来の技術］
従来、固液共存域で攪拌することにより部分凝固の状態
にある連続鋳造用の金属スラリーを、成形工程のダイス
等に連続的に送給する場合に、金属スラリーを成形のた
めの最適状態に保持したまま送給するために、電磁攪拌
手段による攪拌が行われている。[Prior art] Conventionally, when a metal slurry for continuous casting, which is partially solidified by stirring in a solid-liquid coexistence region, is continuously fed to a die, etc. in a forming process, the metal slurry is In order to feed the liquid while maintaining it in an optimal state, stirring is performed using an electromagnetic stirring means.
この電磁攪拌手段は、固液共存域で攪拌することにより
部分凝固した金属スラリーを、チクソトロピックな性質
（揺変性）を発現保持させた状態にするために用いられ
るものであるが、電磁攪拌の十分な効果を得るには、大
容量の装置が必要とされるし１間接的な攪拌であるため
に効率が極めて悪い、そのため、電力消費量が大きく、
これが最終的に材料製造コストを上昇させている。This electromagnetic stirring means is used to make partially solidified metal slurry develop and maintain thixotropic properties (thixotropy) by stirring in a solid-liquid coexistence region. In order to obtain a sufficient effect, a large-capacity device is required, and the efficiency is extremely low due to indirect stirring, which results in high power consumption.
This ultimately increases material manufacturing costs.
〔発明が解決しようとする課８〕
本発明の技術的課題は、部分凝固した金属スラリーを上
記チクソトロピックな性質を発現保持させた状態で成形
工程まで送給するための、簡単で低コストな手段を提供
することにある。[Problem 8 to be solved by the invention] The technical problem of the present invention is to provide a simple and low-cost method for feeding partially solidified metal slurry to a forming process while maintaining the above-mentioned thixotropic properties. It is about providing the means.
［課題を解決するための手段］
上記課題を解決するため、本発明に係る金属スラリーの
Ｍ続的成形方法は、固液共存域で攪拌することにより部
分凝固の状態にある連続鋳造用の金属スラリーを、駆動
装置により回転駆動されるスラリー移送用スクリューを
備えた送給装置によって１強制的な流動を与えながら成
形工程に連続送給し、成形することを特徴としている。[Means for Solving the Problems] In order to solve the above problems, the method for continuously forming a metal slurry according to the present invention provides a metal slurry for continuous casting that is in a partially solidified state by stirring in a solid-liquid coexistence region. The slurry is continuously fed to the molding process while being forced to flow by a feeding device equipped with a slurry transfer screw that is rotationally driven by a drive device, and the slurry is molded.
また、上記目的を達成するため１本発明に係る金属スラ
リーの連続的成形装置は、固液共存域の連続鋳造用金属
スラリーを攪拌槽内において攪拌する攪拌装置と、駆動
装置により案内筒内において回転駆動されるスラリー移
送用スクリューを備え、上記攪拌装置における攪拌によ
り部分凝固の状態にある金属スラリーが攪拌槽の排出口
を通して送入される送給装置と、上記送給装置からダイ
スを通して金属スラリーが送給される成形型と、を備え
た点に特徴を有している。In addition, in order to achieve the above object, the continuous forming apparatus for metal slurry according to the present invention includes a stirring device that stirs the metal slurry for continuous casting in the solid-liquid coexistence region in a stirring tank, and a drive device that stirs the metal slurry for continuous casting in a guide cylinder. A feeding device comprising a rotationally driven slurry transfer screw, through which metal slurry partially solidified due to stirring in the stirring device is fed through an outlet of the stirring tank, and a feeding device that passes the metal slurry from the feeding device through a die. It is characterized in that it is equipped with a mold to which the mold is fed.
［作 用］
攪拌工程において固液共存域で攪拌することにより部分
凝固の状態にある連続鋳造用の金属スラリーを、移送用
スクリューを備えた送給装置によって成形工程に送給す
ると、その送給の間に金属スラリーに対して強制的な流
動が与えられるので、金属スラリーがチクソトロピック
な性質を発現保持し、流動性を維持した状態で成形工程
に送給され、そのため電磁攪拌手段等を用いる必要がな
い。[Function] When the metal slurry for continuous casting, which is partially solidified by stirring in the solid-liquid coexistence zone in the stirring process, is fed to the molding process by a feeding device equipped with a transfer screw, the feeding During this process, forced flow is applied to the metal slurry, so that the metal slurry develops and maintains thixotropic properties, and is fed to the molding process while maintaining fluidity. Therefore, electromagnetic stirring means etc. are used. There's no need.
［実施例］
第１図は１本発明に基づいて、アルミニウム、銅、ニッ
ケル、鉄、あるいはそれらの合金等からなる連続鋳造用
金属スラリーを攪拌装置から成形装置に連続送給する装
置の一例を示している。[Example] Figure 1 shows an example of an apparatus for continuously feeding a metal slurry for continuous casting made of aluminum, copper, nickel, iron, or an alloy thereof from a stirring device to a forming device based on the present invention. It shows.
まず、同図に示す攪拌装置は、連続鋳造用金属スラリー
を固液共存域で攪拌することにより、部分凝固の状態に
ある連続鋳造用の金属スラリーとするもので、連続給湯
されるりｉンデイシュｌの注湯口２の下方に図示しない
水冷装置を有する水冷攪拌槽３を備え、この水冷攪拌槽
３内に攪拌部材４を内挿し、図示しない軸受により回転
自在に支持させている。First, the stirring device shown in the figure is designed to stir metal slurry for continuous casting in a solid-liquid coexistence region to produce metal slurry for continuous casting in a partially solidified state. A water-cooled stirring tank 3 having a water cooling device (not shown) is provided below the pouring port 2, and a stirring member 4 is inserted into the water-cooled stirring tank 3 and rotatably supported by a bearing (not shown).
上記攪拌部材４は、攪拌槽ａ内に注下された溶湯５内に
浸漬される断面多角形（例えば８角形）の筒状その他の
多面体からなる攪拌部６と、回転自在に支持されるシャ
フト部７と、上記攪拌部６及びシャフト部７を貫通して
、上端をターンデイシュ１の注湯口２に対向させると共
に下端を攪拌槽３内の溶湯中に開口させる湯路８を備え
たもので、そのシャフト部７を回転モータ１０から鋼ベ
ルト１１を介して回転駆動可能に構成している。なお１
図中、１３は反射板を示している。The stirring member 4 includes a stirring section 6 made of a cylindrical or other polyhedral body with a polygonal cross section (for example, an octagonal shape) that is immersed in the molten metal 5 poured into the stirring tank a, and a shaft that is rotatably supported. part 7, and a sprue 8 which passes through the stirring part 6 and shaft part 7 and has an upper end facing the pouring port 2 of the turn dish 1 and a lower end opening into the molten metal in the stirring tank 3. The shaft portion 7 is configured to be rotatably driven by a rotary motor 10 via a steel belt 11. Note 1
In the figure, 13 indicates a reflecting plate.
上記水冷攪拌槽３においては、ター・ンディシュ１の注
湯口２から連続的に注下された溶湯５を攪拌部材４の湯
路８によって受け、それがシャフト部７及び攪拌部６内
を通して、湯路８の下端から鋳型内の溶湯中へ注入され
る。また、上記溶湯の供給と同時に攪拌部材４が回転モ
ータ１０によって回転駆動されるので、生成したデンド
ライト結晶が完全に破砕されたうえで、溶湯が部分凝固
状態にある金属スラリーとして送給装置２０に送入され
る。In the water-cooled stirring tank 3, the molten metal 5 continuously poured from the pouring port 2 of the terundish 1 is received by the channel 8 of the stirring member 4, passes through the shaft part 7 and the stirring part 6, and is passed through the shaft part 7 and the stirring part 6. The lower end of channel 8 is injected into the molten metal in the mold. Furthermore, since the stirring member 4 is rotationally driven by the rotary motor 10 at the same time as the molten metal is supplied, the generated dendrite crystals are completely crushed, and then the molten metal is transferred to the feeding device 20 as a metal slurry in a partially solidified state. sent.
耐火物からなる水冷攪拌槽３の底板１５の中央部には、
溶湯５を排出する排出口１Ｂが開設され、水冷攪拌槽３
内で攪拌されて部分凝固状態にある金属スラリーは、こ
の排出口ＩＢを通して送給装置２０により次段の成形装
置２！に送られ、それによって鋳造欠陥のない均質な鋳
片が連続的に製造される。In the center of the bottom plate 15 of the water-cooled stirring tank 3 made of refractory material,
A discharge port 1B for discharging molten metal 5 is opened, and a water-cooled stirring tank 3 is opened.
The partially solidified metal slurry that has been stirred inside is transferred to the next stage molding device 2 through the discharge port IB by the feeding device 20! , thereby continuously producing homogeneous slabs without casting defects.
送給装置２０は、上記金属スラリーを、駆動？を置２２
により案内筒２３内において回転駆動されるスラリー移
送用スクリュー２４で成形工程に送給するようにした機
構によって構成され、その操作制御はスクリュー２４の
駆動装置２２をによって行われる。The feeding device 20 drives the metal slurry. Place 22
The slurry is supplied to the molding process by a slurry transfer screw 24 which is rotationally driven within a guide cylinder 23, and its operation is controlled by a drive device 22 for the screw 24.
また、上記案内筒２３は均熱炉２５内に配設され、案内
筒２３の送出端に取付けたダイス２Ｂの周囲には。Further, the guide tube 23 is disposed inside the soaking furnace 25, and around the die 2B attached to the delivery end of the guide tube 23.
金属スラリーの柔軟度を調整する予熱炉２７が配設され
ている。A preheating furnace 27 is provided to adjust the flexibility of the metal slurry.
従って、駆動装置２２によってスクリュー２４が駆動さ
れると、攪拌工程において固液共存域で攪拌することに
より部分凝固の状態にある金属スラリーが、強制的な流
動を与えられながら、即ち攪拌状態で均熱炉２５中をダ
イス２６の前面まで圧送され、その結果、金属スラリー
がチクソトロピックな性質を発現保持し、流動性を維持
した状態で成形工程に送給される。Therefore, when the screw 24 is driven by the drive device 22, the metal slurry, which is in a partially solidified state due to stirring in the solid-liquid coexistence zone in the stirring process, is forced to flow, that is, uniformly in the stirring state. The metal slurry is fed under pressure through the heat furnace 25 to the front surface of the die 26, and as a result, the metal slurry develops and maintains thixotropic properties and is fed to the molding process while maintaining fluidity.
成形工程においては、金属スラリーが予熱炉２７で柔軟
度を調整して成形ＩＪ１２Ｂへ押出され、連続鋳造が行
われる。ダイス２６の孔形成を任意に変えることによっ
て、種々の断面を有した異形条、棒、パイプ等を製造で
きるのは勿論である。In the forming process, the metal slurry is extruded into the forming IJ 12B with its flexibility adjusted in the preheating furnace 27, and continuous casting is performed. Of course, by arbitrarily changing the hole formation of the die 26, irregularly shaped strips, rods, pipes, etc. with various cross sections can be manufactured.
第２図は、金属スラリーの攪拌装置の異なる構成例を示
すもので、連続給湯される攪拌槽３０の上部周囲に誘導
加熱装置３１を設けると共に、その下部周囲に冷却装置
３２を設け、攪拌槽３０の中央に下部の冷却帯に達する
攪拌棒３３を挿入し、図示しない回転モータによって回
転駆動可能に構成している。FIG. 2 shows a different configuration example of a stirring device for metal slurry, in which an induction heating device 31 is provided around the upper part of a stirring tank 30 that continuously supplies hot water, and a cooling device 32 is provided around the lower part of the stirring tank 30. A stirring rod 33 that reaches the cooling zone at the bottom is inserted into the center of the stirring rod 30, and is configured to be rotationally driven by a rotary motor (not shown).
従って、攪拌槽３０に連続給湯された溶融金属は、攪拌
槽内において攪拌棒３３の回転によりデンドライト結晶
が破砕され、部分凝固状態にある金属スラリーとして、
下部の排出口３４を通して送給装置２０の案内筒２３内
に送入される。Therefore, in the molten metal continuously supplied to the stirring tank 30, the dendrite crystals are crushed by the rotation of the stirring rod 33 in the stirring tank, and the metal slurry is in a partially solidified state.
It is fed into the guide tube 23 of the feeding device 20 through the lower discharge port 34.
送給装置２０及び成形装置２１の構成は、第１図の装置
と同一であるため、同一または相当部分に同一の尊号を
付してその説明を省略する。Since the configurations of the feeding device 20 and the molding device 21 are the same as those of the device shown in FIG. 1, the same or equivalent parts will be given the same symbols and the explanation thereof will be omitted.
［発明の効果］
以上に詳述したように、本発明の成形方法及び装置にお
いては、攪拌工程における攪拌により部分凝固の状態に
ある金属スラリ：を成形工程に送給するに当って、金属
スラリーにチクソトロピックな性質を発現保持させるた
めに、従来から用いられている大電力が必要な電！！攪
拌装置の代りに、送給装置の移送用スクリューによる機
械的な攪拌手段を用い、攪拌と同時にその金属スラリー
を移送するようにしている。そのため、金属スラリーを
、簡単な装置により低コストで、しかもチクソトロピッ
クな性質を発現保、持し、流動性を維持した状態で送給
することができる。[Effects of the Invention] As detailed above, in the molding method and apparatus of the present invention, when feeding the metal slurry that is partially solidified due to stirring in the stirring process to the molding process, the metal slurry In order to develop and maintain thixotropic properties, electricity that requires large amounts of power has been used in the past! ! Instead of a stirring device, a mechanical stirring means using a transfer screw of a feeding device is used to transfer the metal slurry at the same time as stirring. Therefore, the metal slurry can be delivered using a simple device at low cost while maintaining its thixotropic properties and fluidity.
！ｓ１図は本発明に係る連続的成形装置の実施例を示す
断面図、第２図は他の実施例の断面図である。
３．３０・・攪拌槽、 Ｉ８，３４ ・拳排出口、
２０・・送給装置、２２・・駆動装置。
２３−Φ案内筒、
２４・・スラリー移送用スクリュー、
２６・・ダイス、２８・・成形型。
影 １ 県
第 ２ 口! Figure s1 is a sectional view showing an embodiment of the continuous forming apparatus according to the present invention, and Figure 2 is a sectional view of another embodiment. 3.30... Stirring tank, I8, 34 - Fist outlet,
20... Feeding device, 22... Drive device. 23-Φ guide tube, 24...Slurry transfer screw, 26...Dice, 28...Mold. Shadow 1 prefecture 2nd exit
Claims (1)
ある連続鋳造用の金属スラリーを、駆動装置により回転
駆動されるスラリー移送用スクリューを備えた送給装置
によって、強制的な流動を与えながら成形工程に連続送
給し、成形することを特徴とする連続鋳造用金属スラリ
ーの連続的成形方法。 ２、固液共存域の連続鋳造用金属スラリーを攪拌槽内に
おいて攪拌する攪拌装置と、 駆動装置により案内筒内において回転駆動されるスラリ
ー移送用スクリューを備え、上記攪拌装置における攪拌
により部分凝固の状態にある金属スラリーが攪拌槽の排
出口を通して送入される送給装置と、 上記送給装置からダイスを通して金属スラリーが送給さ
れる成形型と、 を備えたことを特徴とする連続鋳造用金属スラリーの連
続的成形装置。[Claims] 1. Metal slurry for continuous casting, which is partially solidified by stirring in a solid-liquid coexistence zone, is fed by a feeding device equipped with a slurry transfer screw rotationally driven by a driving device, A continuous molding method for a metal slurry for continuous casting, characterized in that it is continuously fed to a molding process and molded while applying forced flow. 2. Equipped with a stirring device that stirs the metal slurry for continuous casting in the solid-liquid coexistence region in a stirring tank, and a slurry transfer screw that is driven to rotate in the guide cylinder by a drive device, partial solidification is achieved by stirring in the stirring device. A continuous casting method comprising: a feeding device into which the metal slurry in a state is fed through an outlet of a stirring tank; and a mold into which the metal slurry is fed from the feeding device through a die. Continuous forming equipment for metal slurry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1648688A JPH01192447A (en) | 1988-01-27 | 1988-01-27 | Method and apparatus for continuously forming metallic slurry for continuous casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1648688A JPH01192447A (en) | 1988-01-27 | 1988-01-27 | Method and apparatus for continuously forming metallic slurry for continuous casting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01192447A true JPH01192447A (en) | 1989-08-02 |
| JPH0474109B2 JPH0474109B2 (en) | 1992-11-25 |
Family
ID=11917611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1648688A Granted JPH01192447A (en) | 1988-01-27 | 1988-01-27 | Method and apparatus for continuously forming metallic slurry for continuous casting |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01192447A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5501266A (en) * | 1994-06-14 | 1996-03-26 | Cornell Research Foundation, Inc. | Method and apparatus for injection molding of semi-solid metals |
| WO1999050006A1 (en) * | 1998-03-31 | 1999-10-07 | Takata Physics International Limited, Inc. | Method and apparatus for manufacturing metallic parts by fine die casting |
| WO1999050007A1 (en) * | 1998-03-31 | 1999-10-07 | Takata Physics International Limited, Inc. | Method and apparatus for manufacturing metallic parts by injection molding from the semi-solid state |
| US6739379B2 (en) * | 1995-09-01 | 2004-05-25 | Takata Corporation | Method and apparatus for manufacturing light metal alloy |
| US6840302B1 (en) * | 1999-04-21 | 2005-01-11 | Kobe Steel, Ltd. | Method and apparatus for injection molding light metal alloy |
| AU2001282273B2 (en) * | 2000-08-11 | 2006-03-30 | Brunel University | Method and apparatus for making metal alloy castings |
| US7509993B1 (en) | 2005-08-13 | 2009-03-31 | Wisconsin Alumni Research Foundation | Semi-solid forming of metal-matrix nanocomposites |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103170593B (en) * | 2013-04-07 | 2015-08-12 | 昆明理工大学 | A kind of device of continuous production metal semisolid blank and application |
-
1988
- 1988-01-27 JP JP1648688A patent/JPH01192447A/en active Granted
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5501266A (en) * | 1994-06-14 | 1996-03-26 | Cornell Research Foundation, Inc. | Method and apparatus for injection molding of semi-solid metals |
| US6739379B2 (en) * | 1995-09-01 | 2004-05-25 | Takata Corporation | Method and apparatus for manufacturing light metal alloy |
| WO1999050006A1 (en) * | 1998-03-31 | 1999-10-07 | Takata Physics International Limited, Inc. | Method and apparatus for manufacturing metallic parts by fine die casting |
| WO1999050007A1 (en) * | 1998-03-31 | 1999-10-07 | Takata Physics International Limited, Inc. | Method and apparatus for manufacturing metallic parts by injection molding from the semi-solid state |
| US6840302B1 (en) * | 1999-04-21 | 2005-01-11 | Kobe Steel, Ltd. | Method and apparatus for injection molding light metal alloy |
| AU2001282273B2 (en) * | 2000-08-11 | 2006-03-30 | Brunel University | Method and apparatus for making metal alloy castings |
| US7509993B1 (en) | 2005-08-13 | 2009-03-31 | Wisconsin Alumni Research Foundation | Semi-solid forming of metal-matrix nanocomposites |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0474109B2 (en) | 1992-11-25 |
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