WO2016104244A1 - 導電性金属シート製造方法及び導電性金属シート製造装置 - Google Patents
導電性金属シート製造方法及び導電性金属シート製造装置 Download PDFInfo
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- WO2016104244A1 WO2016104244A1 PCT/JP2015/085044 JP2015085044W WO2016104244A1 WO 2016104244 A1 WO2016104244 A1 WO 2016104244A1 JP 2015085044 W JP2015085044 W JP 2015085044W WO 2016104244 A1 WO2016104244 A1 WO 2016104244A1
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- 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
- B22D11/115—Treating the molten metal by using agitating or vibrating means by using magnetic fields
-
- 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
- B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
- B22D11/0605—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars formed by two belts, e.g. Hazelett-process
-
- 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
- B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
- B22D11/0637—Accessories therefor
- B22D11/068—Accessories therefor for cooling the cast product during its passage through the mould surfaces
- B22D11/0685—Accessories therefor for cooling the cast product during its passage through the mould surfaces by cooling the casting belts
-
- 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
- B22D11/112—Treating the molten metal by accelerated cooling
Definitions
- the present invention relates to a conductive metal sheet manufacturing method and a conductive metal sheet manufacturing apparatus.
- Patent Document 1 As what manufactures an aluminum alloy sheet, there existed what was shown, for example in patent document 1.
- the method described in Patent Document 1 and the like is a method of manufacturing an aluminum sheet material including a step of hot rolling an aluminum alloy sheet material, annealing without substantially intermediate cooling and quenching, and solution heat treatment. .
- Patent Document 1 The method disclosed in Patent Document 1 is a method capable of obtaining an aluminum alloy sheet without requiring so-called separate batch processing.
- the present inventor has a problem peculiar to the present invention that it is desired to provide a conductive metal sheet that is superior in quality in a short time than that of the prior art.
- An object of the present invention is to provide a conductive metal sheet manufacturing method and a conductive metal sheet manufacturing apparatus.
- a method for producing a conductive metal sheet according to an embodiment of the present invention includes: When the molten metal of the conductive metal that has flowed out of the melting furnace is cooled and solidified by a cooling device to form a conductive metal sheet, a part of the raw material in which the conductive metal is in the molten state is cooled, and a part of the molten metal is cooled.
- a method for producing a conductive metal sheet wherein after the solidified product is a previous product in a molten state, the product is further cooled to form the conductive metal sheet as a product in which all of the molten metal is solidified.
- a magnetic field device using a permanent magnet is applied to the previous product in the thickness direction, and at least before and after the longitudinal direction of the magnetic field device, at least one of the raw material product and the molten semi-finished product is exchanged
- An electric current is passed to cross the magnetic field, thereby applying vibration to at least one of the molten metal in the raw material product and the semi-finished product by electromagnetic force due to the crossing to reform the molten metal,
- the conductive metal sheet is characterized in that all the molten metal is solidified.
- An apparatus for producing a conductive metal sheet When the molten metal of the conductive metal that has flowed out of the melting furnace is cooled and solidified by a cooling device to form a conductive metal sheet, a part of the raw material in which the conductive metal is in the molten state is cooled, and a part of the molten metal is cooled.
- FIG. 1 is a schematic configuration diagram showing a main part of a conductive metal sheet manufacturing apparatus according to a first embodiment of the present invention.
- FIG. 2 is a schematic block diagram which shows the principal part of the electroconductive metal sheet manufacturing apparatus of the 2nd Embodiment of this invention.
- FIG. 3 is an explanatory view showing a relationship between a magnetic field applied to a conductive metal sheet and a current selectively showing a part of FIG. 1.
- 4A is a cross-sectional view taken along the line IV-IV in FIG. 3 and shows the relationship between the magnetic field, current, and electromagnetic force.
- FIG. 4B is a cross-sectional view taken along line IV-IV in FIG. 3, and is a different explanatory view showing the relationship between the magnetic field, current, and electromagnetic force.
- FIG. 1 is a schematic explanatory view showing a main part of a conductive metal sheet manufacturing apparatus according to a first embodiment of the present invention.
- this apparatus reforms the molten metal M of the conductive metal in the melting furnace 1 by refining the crystal grains by electromagnetic force and pulls it from the output side with an appropriate tension.
- a quality product (conductive metal sheet) P is sent to the next stage.
- the conductive metal is, for example, a non-ferrous metal such as a conductor (conductor) such as Al, Cu, Zn or at least two alloys thereof, or a Mg alloy, or a conductive metal such as iron metal. .
- the conductive metal sheet obtained in the present invention should be referred to as a conductive metal sheet material, but here it is simply referred to as a conductive metal sheet.
- the conductive metal sheet manufacturing apparatus includes a melting furnace 1 for storing a molten metal M of conductive metal.
- a liquid reservoir 3 is provided as a purification device for performing degassing and filtration.
- a flow path 5 is provided as a bowl through which the molten metal M flows.
- the conductive metal is in a liquid phase state, that is, in a molten metal M state.
- a magnetic field device 21 is provided in the middle of the flow path 5 as a part of the quality improvement device 7 for improving the quality by vibrating (or rotating) the molten metal M as will be described later.
- a cooling device 8 that cools the molten metal M to form a conductive metal sheet is provided on the outlet side of the flow path 5. That is, as is well known, an elongated mold body (not shown) in which the molten metal M is poured and the width and thickness are determined is connected to the outlet side of the flow path 5. Cooling devices 8 are provided above and below the mold body. Although the molten metal M is gradually solidified by the cooling device 8, the solidification speed depends on the pulling speed of the conductive metal sheet.
- the molten metal M is completely solidified when it exits the pulley 11a on the front side, which will be described later, to become a product P (that is, a product P that has solidified to the inside of the sheet).
- a product P that is, a product P that has solidified to the inside of the sheet.
- the cooling device 8 includes an upper cooling device 8u and a lower cooling device 8d, and both have substantially the same configuration. Therefore, first, the upper cooling device 8u will be described.
- the cooling belt 13 is hung between the pair of pulleys 11a and 11b. At least one of the pulleys 11a and 11b is rotationally driven, whereby the belt 13 rotates clockwise in FIG.
- the belt 13 is made of a stable material (non-rust steel, copper, etc.) that does not react with the conductive metal of the material such as the product P, and a so-called steel belt can be used. As can be seen from the figure, the belt 13 is in contact with the product P or the like on the lower side in FIG. 1 so that the product P or the like can be cooled.
- a cooling device body 15 for cooling the belt 13 is provided in the vicinity of the belt 13.
- the cooling device body 15 is not particularly limited as long as it cools the belt 13.
- a configuration in which a cooling liquid is jetted onto the belt 13 can be employed.
- it can also be set as the water jacket as what is called a water-cooling apparatus through which water flows.
- the cooled belt 13 cools the product P and the like.
- a solid product P is obtained and sent to the next stage.
- the upper cooling device 8u in FIG. 1 has been described above, the lower cooling device 8d is equivalent to the upper cooling device 8u, and thus detailed description thereof is omitted.
- a downstream electrode 17a and an upstream electrode 17b that are electrically connected to the product P coming out of the cooling device 15 and the molten metal M in the melting furnace 1 are provided.
- These electrodes 17a and 17b constitute a part of the quality improvement device 7.
- These electrodes 17a and 17b are connected to a power source 18 by wirings 19a and 19b.
- the power source 18 is configured to allow an alternating current and a direct current to flow between the electrodes 17a and 17b, and to adjust the polarity, voltage, current, and frequency.
- the current I can flow current I between the electrodes 17a and 17b. That is, the current paths of the power source 18, the wiring 19a, the electrode 17a, the product P, the molten metal M in the flow path 5, the molten metal M in the liquid reservoir 3, the molten metal M in the melting furnace 1, the wiring 19b, and the power source 18 are formed. In this current path, for example, an alternating current can be passed at a frequency set by the power supply 18.
- the magnetic field device 21 of the quality improvement device 7 is provided in the middle of the current path. That is, as can be seen from FIG. 1, the magnetic field device 21 has permanent magnets 21 a and 21 b arranged above and below in FIG. In FIG. 1, the magnetic field lines ML run from top to bottom in FIG. Since the flow path 5 is thinner than a slab, billet or the like, so-called magnetic field efficiency is very good. Even if the magnetic field device 21 has a low magnetic field intensity, quality improvement such as refinement of crystal grains is performed with high efficiency. .
- the molten metal M complies with Fleming's law.
- the electromagnetic force acts and the current I is alternating current the molten metal M is driven to vibrate, and the quality of the molten metal M is improved, that is, the crystal grains are refined and made uniform.
- FIGS. 4 (a) and 4 (b) are cross-sectional explanatory views taken along line IV-IV in FIG. 4A shows the electromagnetic forces Fa and Fb applied to the molten metal M when the current I (a) flows to the right in FIG. 3 and FIG. 4B shows the current I (b) to the left.
- the electromagnetic forces Fa and Fb are alternately applied to the molten metal M, the molten metal M vibrates, and the quality of the molten metal M is improved.
- the target molten metal M is thin, not only the magnetic field intensity by the magnetic field device 21 but also the current I to flow may be small. For this reason, current consumption according to the present embodiment can be extremely small.
- the molten metal M flows through the melting furnace 1, the liquid reservoir 3, the flow path 5, and the cooling device 8, as described above.
- the magnetic field lines ML from the magnetic field device 21 and the electrode 17a.
- the molten metal M is vibrated and reformed by the electromagnetic forces Fa and Fb due to the current I flowing between 17 and 17b. That is, in order to improve the quality of the molten metal M, the magnetic field lines ML and the magnetic field may be applied at any position before the molten metal M is solidified.
- FIG. 2 shows a conductive metal sheet manufacturing apparatus according to the second embodiment of the present invention.
- This embodiment differs from the embodiment of FIG. 1 in that the magnetic field device 21 is provided in the vicinity of the cooling device main body 15.
- the outside is solidified, and only the inside is in the state of the molten metal M.
- the molten metal M inside is reformed in the same manner as described above.
- the quality improvement is performed just before the molten metal M solidifies. Therefore, the finished product P can obtain a higher quality product by solidifying the high quality molten metal M as it is.
- a conductive metal sheet (aluminum sheet or the like) can be made in a very short time directly from the molten metal M in the melting furnace.
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Abstract
Description
溶解炉から流出させた導電性金属の溶湯を冷却装置により冷却、固化して導電性金属シートとするに当たり、前記導電性金属の全てが溶湯の状態にある原料品を、冷却により、一部が固化し残りが溶湯の状態にある前製品とした後、さらに冷却して、溶湯の全てが固化した製品としての前記導電性金属シートとする、導電性金属シート製造方法であって、 前記原料品又は前記前製品に対し、厚さ方向に、永久磁石による磁場装置により磁場を掛け、且つ、少なくとも前記磁場装置の長さ方向の前後において、前記原料品及び前記半製品の溶湯の少なくとも一方に交流電流を流して前記磁場と交差させ、これにより前記原料品及び前記半製品における溶湯の少なくとも一方に前記交差による電磁力によって振動を与えて、溶湯を改質し、この後に全ての溶湯が固化した前記導電性金属シートとする、 ことを特徴とする。
溶解炉から流出させた導電性金属の溶湯を冷却装置により冷却、固化して導電性金属シートとするに当たり、前記導電性金属の全てが溶湯の状態にある原料品を、冷却により、一部が固化し残りが溶湯の状態にある前製品とした後、さらに冷却して溶湯の全てが固化した製品としての前記導電性金属シートとする、導電性金属シート製造装置であって、
前記原料品又は前記前製品に対し、厚さ方向に、磁場を掛ける、永久磁石による磁場装置と、
前記磁場と交差して、溶湯を振動させて改質する電磁力を発生させる、交流電流を、前記原料品及び前記前製品の少なくとも一方に流す、第1電極及び第2電極と、
を有することを特徴とする。
前記導電性金属シート製造装置は、より詳しくは、導電性金属の溶湯Mを収納する溶解炉1を有する。この溶解炉1の次段には脱ガスと濾過を行う浄化装置としての液溜3が設けられている。液溜3の出口側には、溶湯Mを流す樋としての流路5が設けられている。この流路5中においては導電性金属は液相状態、つまり溶湯Mの状態にある。この流路5の途中に後述するように溶湯Mを振動(あるいは回転)させて品質を改善する品質改善装置7の一部としての磁場装置21が設けられている。
Claims (10)
- 溶解炉から流出させた導電性金属の溶湯を冷却装置により冷却、固化して導電性金属シートとするに当たり、前記導電性金属の全てが溶湯の状態にある原料品を、冷却により、一部が固化し残りが溶湯の状態にある前製品とした後、さらに冷却して、溶湯の全てが固化した製品としての前記導電性金属シートとする、導電性金属シート製造方法であって、 前記原料品又は前記前製品に対し、厚さ方向に、永久磁石による磁場装置により磁場を掛け、且つ、少なくとも前記磁場装置の長さ方向の前後において、前記原料品及び前記半製品の溶湯の少なくとも一方に交流電流を流して前記磁場と交差させ、これにより前記原料品及び前記半製品における溶湯の少なくとも一方に前記交差による電磁力によって振動を与えて、溶湯を改質し、この後に全ての溶湯が固化した前記導電性金属シートとする、 ことを特徴とする導電性金属シート製造方法。
- 前記交流電流を流す第1電極と第2電極を準備し、前記第1電極と前記第2電極の一方を前記導電性金属シートに電気的に接続させ、他方を前記溶解炉中の溶湯に電気的に接続させる、ことを特徴とする請求項1に記載の導電性金属シート製造方法。
- 前記交流電流を流す第1電極と第2電極を準備し、前記第1電極と前記第2電極の一方を、前記磁場装置の出口側における前記原料品又は前記半製品に電気的に接続させ、他方を前記磁場装置の入口側の前記原料品又は前記前製品に電気的に接続させる、ことを特徴とする請求項1に記載の導電性金属シート製造方法。
- 前記冷却装置の前段において前記磁場装置により前記原料品又は前記前製品に対し磁場を掛ける、ことを特徴とする請求項1乃至3の1つに記載の導電性金属シート製造方法。
- 前記冷却装置による冷却中において前記磁場装置により前記原料品又は前記前製品に対し磁場を掛ける、ことを特徴とする請求項1乃至3の1つに記載の導電性金属シート製造方法。
- 溶解炉から流出させた導電性金属の溶湯を冷却装置により冷却、固化して導電性金属シートとするに当たり、前記導電性金属の全てが溶湯の状態にある原料品を、冷却により、一部が固化し残りが溶湯の状態にある前製品とした後、さらに冷却して溶湯の全てが固化した製品としての前記導電性金属シートとする、導電性金属シート製造装置であって、
前記原料品又は前記前製品に対し、厚さ方向に、磁場を掛ける、永久磁石による磁場装置と、
前記磁場と交差して、溶湯を振動させて改質する電磁力を発生させる、交流電流を、前記原料品及び前記前製品の少なくとも一方に流す、第1電極及び第2電極と、
を有することを特徴とする導電性金属シート製造装置。 - 前記第1電極と前記第2電極の一方は前記導電性金属シートに電気的に接続させるものとして構成され、他方は前記溶解炉中の溶湯に電気的に接続させるものとして構成されている、ことを特徴とする請求項6に記載の導電性金属シート製造装置。
- 前記第1電極と前記第2電極の一方は、前記磁場装置の出口側における前記原料品又は前記半製品に電気的に接続させるものとして構成され、他方は前記磁場装置の入口側の前記原料品又は前記半製品に電気的に接続させるものとして構成されている、ことを特徴とする請求項6に記載の導電性金属シート製造装置。
- 前記磁場装置は、前記冷却装置の前段において前記原料品又は前記前製品に対し磁場を掛けるものとして構成されている、ことを特徴とする請求項6乃至8の1つに記載の導電性金属シート製造装置。
- 前記磁場装置は、前記冷却装置による冷却中において前記原料品又は前記前製品に対し磁場を掛けるものとして構成されている、ことを特徴とする請求項6乃至8の1つに記載の導電性金属シート製造装置。
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KR1020177014705A KR102005926B1 (ko) | 2014-12-26 | 2015-12-15 | 도전성 금속 시트 제조 방법 및 도전성 금속 시트 제조 장치 |
EP15872813.9A EP3238855B1 (en) | 2014-12-26 | 2015-12-15 | Method for producing conductive metal sheet and device for producing conductive metal sheet |
US15/539,749 US10376951B2 (en) | 2014-12-26 | 2015-12-15 | Method of manufacturing conductive metal sheet and apparatus for manufacturing conductive metal sheet |
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JP2002153957A (ja) * | 2000-11-22 | 2002-05-28 | Korea Advanced Inst Of Sci Technol | 薄板鋳造と連続剪断変形とによる薄板製造装置 |
JP2013103229A (ja) * | 2011-11-10 | 2013-05-30 | Kenzo Takahashi | 攪拌装置付き連続鋳造用鋳型装置 |
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US5356495A (en) | 1992-06-23 | 1994-10-18 | Kaiser Aluminum & Chemical Corporation | Method of manufacturing can body sheet using two sequences of continuous, in-line operations |
US5514228A (en) | 1992-06-23 | 1996-05-07 | Kaiser Aluminum & Chemical Corporation | Method of manufacturing aluminum alloy sheet |
CA2096366C (en) | 1992-06-23 | 2008-04-01 | Gavin F. Wyatt-Mair | A method of manufacturing can body sheet |
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JP2002153957A (ja) * | 2000-11-22 | 2002-05-28 | Korea Advanced Inst Of Sci Technol | 薄板鋳造と連続剪断変形とによる薄板製造装置 |
JP2013103229A (ja) * | 2011-11-10 | 2013-05-30 | Kenzo Takahashi | 攪拌装置付き連続鋳造用鋳型装置 |
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JP6316743B2 (ja) | 2018-04-25 |
EP3238855A4 (en) | 2017-12-13 |
EP3238855B1 (en) | 2019-02-13 |
KR20170091612A (ko) | 2017-08-09 |
EP3238855A1 (en) | 2017-11-01 |
US10376951B2 (en) | 2019-08-13 |
JP2016123996A (ja) | 2016-07-11 |
US20170368598A1 (en) | 2017-12-28 |
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