CN111906276A - Copper-clad steel up-feeding adjustable eccentric down-traction continuous casting method and device - Google Patents
Copper-clad steel up-feeding adjustable eccentric down-traction continuous casting method and device Download PDFInfo
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- CN111906276A CN111906276A CN201910387137.XA CN201910387137A CN111906276A CN 111906276 A CN111906276 A CN 111906276A CN 201910387137 A CN201910387137 A CN 201910387137A CN 111906276 A CN111906276 A CN 111906276A
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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
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/14—Casting in, on, or around objects which form part of the product the objects being filamentary or particulate in form
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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
- B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
- B22D11/041—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds for vertical casting
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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
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/0081—Casting in, on, or around objects which form part of the product pretreatment of the insert, e.g. for enhancing the bonding between insert and surrounding cast metal
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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
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/16—Casting in, on, or around objects which form part of the product for making compound objects cast of two or more different metals, e.g. for making rolls for rolling mills
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Abstract
The invention discloses a copper-clad steel up-feeding adjustable eccentric down-traction continuous casting method and a device, which are characterized in that a straightened steel core wire enters from the upper part of a power frequency furnace after being preheated, and is sequentially and continuously cast and clad with a copper-clad steel wire from copper liquid in the power frequency furnace and then is drawn from the lower part of the power frequency furnace. The preheating temperature of the steel core wire is 300-600 ℃ and can be adjusted according to the thickness of the steel core wire, the temperature of the copper liquid is controlled at 1100-1200 ℃, and the speed of copper-clad steel after continuous casting is 1-20 meters per minute. The invention adopts two or three melting channels, which can ensure the quality of products, and the furnace body is provided with a lifting device which can facilitate the transfer of copper liquid, the replacement of graphite molds and the maintenance. The device can simultaneously produce one or more than two steel core wires.
Description
Technical Field
The invention relates to a production method and a device for electric overhead and lightning protection grounding with good concentricity, high conductivity, strong tensile resistance and corrosion resistance, and belongs to the technical field of composite metal material manufacturing.
Background
The copper-clad steel is a metal composite material which is processed into a whole by using high-quality carbon steel as a core body and high-quality copper as a surface cladding layer, and has the hardness and tensile strength of steel and the conductivity and corrosion resistance of copper.
At present, the domestic method for producing copper-clad steel comprises the following steps: hot-pressing casting, electroplating, copper strip welding, welded tube cladding, sleeve cladding, horizontal continuous casting, etc. These, while capable of producing copper clad steel, have significant disadvantages: the method has the advantages of long process flow, low material utilization rate, use of chemical raw materials, easy corrosion, harm to the environment, high eccentricity and difficult quality guarantee.
In summary, it is unlikely that copper-clad steel products with high tensile strength, high conductivity, corrosion resistance and small cross section would be produced, which is urgently needed for power construction. Therefore, it is a technical problem worthy of research and solution to improve the prior art and provide a production method and apparatus capable of overcoming the disadvantages of the prior art.
Disclosure of Invention
The invention provides a copper-clad steel up-feeding adjustable eccentric down-traction continuous casting method, and provides an up-feeding adjustable eccentric down-traction continuous casting device which has the advantages of reasonable structure, high automation degree, energy conservation, environmental protection and long service life. The device can produce the power conductor and the overhead conductor which have strong tensile resistance, high conductivity, corrosion resistance and high lightning stroke resistance.
In order to solve the technical problems, the invention provides the following technical scheme:
1. the steel core wire is drawn to the diameter to be produced by a wire drawing machine and the oxide layer is removed.
2. Heating the steel core wire by a heating furnace at 700 DEG and 900 DEG, and then straightening the steel core wire in a straightener.
3. Cleaning the steel core wire by using a polishing machine, wind cleaning and magnetic cleaning.
4. The preheating temperature of the steel core wire is controlled to be 600 ℃ for 300 DEG, the temperature of the copper liquid is controlled to be 1200 ℃ for 1100 DEG, and the distance of the steel core wire in the copper liquid is 5mm-100mm and can be adjusted according to the thickness of the steel core wire.
5. One end of the line frequency furnace is provided with a lifting device, so that the copper liquid can be inclined to one end, the graphite mold is convenient to change, and the maintenance is convenient.
Drawings
The invention will be described in further detail with reference to the following detailed description and accompanying drawings:
FIG. 1 is a process flow chart of the copper-clad steel up-feeding adjustable eccentric down-traction continuous casting method.
FIG. 2 is a schematic structural diagram of an adjustable eccentric lower traction device for copper-clad steel feeding.
The specific implementation scheme is as follows:
referring to fig. 1 and 2, wherein 1 is a paying out machine, 2 is a steel core wire, 3 is a straightening machine, 4 is a wire feeding machine, 5 is a heating furnace, 6 is a polishing machine, 7 is a positive pressure air cleaner, 8 is a strong magnetic cleaner, 9 is a negative pressure air cleaner, 10 is a wire feeding machine, 11 is a PLC automatic regulator, 12 is a guide wheel, 13 is a straightening machine, 14 is an upper wire feeding machine, 15 is a preheating furnace, 16 is an eccentric regulator, 17 is a lifting connector, 18 is an upper graphite mold, 19 is a lower graphite mold, 20 is a lifting device power frequency furnace, 21 is a lower crystallizer, 22 is a liquid stopper, 23 is a copper-coated steel wire, 24 is a guide wheel, 25 is a traction machine, 26 is a PLC automatic regulator, 27 is a wire rewinding machine, 28 is a furnace body movable support, 29 is a furnace body lifting support, 30 is a.
The invention relates to an adjustable eccentric lower traction continuous casting method for feeding copper-clad steel upwards, which comprises the following steps of enabling a preheated steel core wire to enter from an upper graphite die 18 of a connector 17 at the upper part of a power frequency furnace, and to be sequentially pulled out from the lower part of the power frequency furnace after being coated with copper from a lower graphite die 19 crystallizer 21 in the power frequency furnace, wherein the specific operation method comprises the following steps:
1. the steel core wire is drawn to the diameter of the steel core wire to be produced by a wire drawing machine, and the outer oxide layer is removed and wound on a wire releasing machine 1.
2. Straightening a steel core wire 2 on a pay-off machine 1 by a straightening machine 3, and enabling the straightened steel core wire 2 to enter a wire feeding machine 4.
3. And (3) conveying the steel core wire 2 into a heating furnace 5 by using a wire feeding machine 4, heating the steel core wire to 700-900 ℃, and then feeding the steel core wire into a polishing machine 6 for polishing treatment to remove rust and dirt on the surface layer of the steel core wire 2.
4. And cleaning the polished steel core wire 2 through a positive pressure air cleaner 7, a strong magnetic cleaner 8 and a negative pressure air cleaner 9, and cleaning up dust and scrap iron on the polished steel core wire 2.
5. The cleaned steel core wire 2 is fed to a guide wheel 12 by a wire feeding machine 10, and the steel core wire 2 changes direction after passing through the guide wheel 12 and then passes through a straightening machine 13 to reach an upper wire feeding machine 14. The straightened steel core wire 2 is sent into a preheating furnace 15 by an upper wire feeding machine 14, and enters copper liquid after passing through a liftable connector 17 and an upper graphite die 18.
6. After entering the copper liquid 30, the steel core wire 2 and the copper liquid 30 enter the lower graphite die 19 together, and the steel core wire 2 and the copper liquid 30 are crystallized and continuously coated on the outer layer of the steel core wire 2 to form the copper-coated steel wire 23 under the action of the crystallizer 21 in the lower graphite die 19.
7. The continuously coated copper-clad steel wire 23 is cooled by the crystallizer 21, then comes out, passes through the guide wheel 24, and then is sent to the wire-rewinding machine 27 through the tractor 25 to be rewound.
8. Wherein the lifting device of the lifting adapter 17 should be lowered when the apparatus is in the unproductive state, so that the upper graphite mold and the lower graphite mold are in the closed state. The device lifts the lifting connector 17 during production, the distance between the upper graphite die 18 and the lower graphite die 19 is 5mm-120mm, and the device can be properly adjusted according to the thickness of the steel core wire 2.
9. The upper graphite mold 18 is tightly coupled with the lifting connector 17, and the lower graphite mold 19 is also tightly coupled with the crystallizer 21.
10. The wire feeding machine 10, the traction machine 25 and the wire rewinding machine 27 are synchronously adjusted by the PLC automatic regulator 11 and the PLC automatic regulator 26. The wire feeder 4 and the wire feeder 14 may not be operated during normal production. The liquid-blocking device 22 is a steel core line segment for preventing the copper liquid from flowing out of the furnace during production.
11. When the lifting device power frequency furnace 20 is produced, the lifting device power frequency furnace 20 is in a horizontal state, and when the graphite mold is overhauled and replaced, one end of the lifting bracket 29 for the lifting device power frequency furnace 20 is lowered, so that the copper liquid in the copper liquid groove in the furnace flows to one end. Therefore, the copper liquid can not flow to the lower part of the furnace body when the graphite mold is overhauled and replaced.
12. The temperature of the melting channel 33 is controlled to be 1100-1180 ℃ for continuous casting, the temperature of the melting channel 32 is controlled to be 1100-1180 ℃ for heat preservation, the temperature of the melting channel 31 is controlled to be 1150-1200 ℃, high-quality copper is slowly added into the melting channel 31, and the height of the copper liquid 30 is about 200mm during normal production.
13. During production, the thickness of the copper-clad steel wire for one circle is detected by a thickness gauge, and if the copper-clad steel wire is eccentric, the eccentric adjuster 16 can be adjusted until the copper-clad steel wire is not eccentric.
14. The raw material is high-quality copper, and the steel core wire 2 is high-quality carbon steel, so that the power overhead wire and the lightning-proof grounding copper-clad steel wire 23 with good concentricity, high conductivity, strong tensile resistance and corrosion resistance can be produced.
Claims (10)
1. An adjustable eccentric lower traction method for feeding copper-clad steel upwards comprises a steel core wire preheating step and is characterized by comprising the following steps: the straightened steel core wire is sequentially fed into the copper liquid in the power frequency furnace from the upper part of the furnace body through the upper wire feeding machine and the preheating furnace, and is continuously cast and coated in the copper liquid and then is drawn out from the lower part of the power frequency furnace.
2. The upward-feeding adjustable eccentric downward-traction continuous casting method of copper-clad steel according to claim 1, characterized in that: the surface of the steel core wire is cleaned by a heating furnace, a polishing machine, wind cleaning, strong magnetism and other equipment.
3. The upward-feeding adjustable eccentric downward-traction continuous casting method of copper-clad steel according to claim 1, characterized in that: the steel core wire is straightened by a straightener, the straightened steel core wire is sent into a preheating furnace, an upper connector and an upper graphite die to enter copper liquid of a power frequency furnace, the copper liquid and the steel core wire enter a lower graphite die and a crystallizer together, the copper liquid and the steel core wire are continuously cast and crystallized in the lower graphite die and the crystallizer to be coated into a copper-coated steel wire, and the coated copper-coated steel wire is continuously discharged from the lower part of a furnace body and sent to a wire take-up device by a tractor through a guide wheel.
4. The upward-feeding adjustable eccentric downward-traction continuous casting method of copper-clad steel according to claim 1, characterized in that: the upper connector is provided with a lifting device, and one end of the power frequency furnace is provided with a lifting device.
5. The upward-feeding adjustable eccentric downward-traction continuous casting method of copper-clad steel according to claim 1, characterized in that: the temperature of the copper liquid is controlled at 1100-1200 ℃, and the liquid level height of the copper liquid is controlled at about 200 mm.
6. The upward-feeding adjustable eccentric downward-traction continuous casting method of copper-clad steel according to claim 1, characterized in that: the manual wire feeder for the upper wire feeder can also be a mechanical wire feeder, can be equipped according to the thickness of a steel core wire and production requirements, and can be omitted during normal production.
7. The upward-feeding adjustable eccentric downward-traction continuous casting method of copper-clad steel according to claim 1, characterized in that: the preheating temperature of the steel core wire is controlled to be 300-600 ℃, and can be adjusted according to the thickness of the steel core wire and the continuous casting speed.
8. The upward-feeding adjustable eccentric downward-traction continuous casting method of copper-clad steel according to claim 1, characterized in that: the eccentricity problem of the drawn copper-clad steel wire can be adjusted by an eccentric adjuster.
9. The upward-feeding adjustable eccentric downward-traction continuous casting method of copper-clad steel according to claim 1, characterized in that: the steel core wire can be used for producing two or more steel core wires simultaneously, high carbon steel, medium carbon steel and low carbon steel can be produced, and the front speed and the rear speed are automatically controlled by a PLC.
10. The terms copper-clad steel and copper-clad steel in the invention are meanings.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910387137.XA CN111906276A (en) | 2019-05-08 | 2019-05-08 | Copper-clad steel up-feeding adjustable eccentric down-traction continuous casting method and device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910387137.XA CN111906276A (en) | 2019-05-08 | 2019-05-08 | Copper-clad steel up-feeding adjustable eccentric down-traction continuous casting method and device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116037875A (en) * | 2022-12-15 | 2023-05-02 | 合隆新材料科技(江苏)有限公司 | Bimetal continuous casting device and production method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6347050U (en) * | 1986-09-12 | 1988-03-30 | ||
| CN1253052A (en) * | 1998-11-03 | 2000-05-17 | 东北大学 | Final casting-rolling method for forming steel-in-copper bimetal material |
| WO2004033129A1 (en) * | 2002-10-08 | 2004-04-22 | Federal-Mogul Wiesbaden Gmbh & Co. Kg | Device and method for producing composite material strips |
| CN101546631A (en) * | 2008-02-22 | 2009-09-30 | 孙永春 | Method and device for downwards leading and continuously casting copper wire covering steel core |
| CN101629274A (en) * | 2009-08-19 | 2010-01-20 | 曹佩荣 | Upward forming method of thermal dip-coating copper covered steel and upward forming device thereof |
| CN101804448A (en) * | 2010-04-09 | 2010-08-18 | 秦志春 | Method and device for continuous up-casting of copper-clad steel |
| CN102554151A (en) * | 2012-02-29 | 2012-07-11 | 盐城市雷斯达电器设备有限公司 | Hot-dip coating multi-metal composite copper-clad flat steel horizontal continuous casting equipment |
| CN106191731A (en) * | 2016-10-14 | 2016-12-07 | 张家港市新邦电力科技有限公司 | Copper covered steel wire vertical Jin Tong mechanism |
-
2019
- 2019-05-08 CN CN201910387137.XA patent/CN111906276A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6347050U (en) * | 1986-09-12 | 1988-03-30 | ||
| CN1253052A (en) * | 1998-11-03 | 2000-05-17 | 东北大学 | Final casting-rolling method for forming steel-in-copper bimetal material |
| CN1067613C (en) * | 1998-11-03 | 2001-06-27 | 东北大学 | Final casting-rolling method for forming steel-in-copper bimetal material |
| WO2004033129A1 (en) * | 2002-10-08 | 2004-04-22 | Federal-Mogul Wiesbaden Gmbh & Co. Kg | Device and method for producing composite material strips |
| CN101546631A (en) * | 2008-02-22 | 2009-09-30 | 孙永春 | Method and device for downwards leading and continuously casting copper wire covering steel core |
| CN101629274A (en) * | 2009-08-19 | 2010-01-20 | 曹佩荣 | Upward forming method of thermal dip-coating copper covered steel and upward forming device thereof |
| CN101804448A (en) * | 2010-04-09 | 2010-08-18 | 秦志春 | Method and device for continuous up-casting of copper-clad steel |
| CN102554151A (en) * | 2012-02-29 | 2012-07-11 | 盐城市雷斯达电器设备有限公司 | Hot-dip coating multi-metal composite copper-clad flat steel horizontal continuous casting equipment |
| CN106191731A (en) * | 2016-10-14 | 2016-12-07 | 张家港市新邦电力科技有限公司 | Copper covered steel wire vertical Jin Tong mechanism |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116037875A (en) * | 2022-12-15 | 2023-05-02 | 合隆新材料科技(江苏)有限公司 | Bimetal continuous casting device and production method |
| CN116037875B (en) * | 2022-12-15 | 2024-02-06 | 合隆新材料科技(江苏)有限公司 | Core fixing structure, bimetal continuous casting device, continuous casting production line and continuous casting production method |
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