SE2350225A1 - High temperature metal and alloy vacuum vertical continuous casting machine - Google Patents
High temperature metal and alloy vacuum vertical continuous casting machineInfo
- Publication number
- SE2350225A1 SE2350225A1 SE2350225A SE2350225A SE2350225A1 SE 2350225 A1 SE2350225 A1 SE 2350225A1 SE 2350225 A SE2350225 A SE 2350225A SE 2350225 A SE2350225 A SE 2350225A SE 2350225 A1 SE2350225 A1 SE 2350225A1
- Authority
- SE
- Sweden
- Prior art keywords
- traction
- crucible
- continuous casting
- screw
- cooler
- Prior art date
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Classifications
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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
- B22D11/14—Plants for continuous casting
- B22D11/141—Plants for continuous casting 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
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/005—Continuous casting of metals, i.e. casting in indefinite lengths of wire
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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
- B22D11/055—Cooling the moulds
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
Abstract
The invention provides a high temperature metal and alloy vacuum vertical continuous casting machine. The continuous casting machine comprises a vacuum device, a smelting device, a heat preservation device, a crystallization forming device and a traction device. The vacuum device comprises a furnace body and an upper cover body, an exhaust valve and an air inlet valve are arranged on the furnace body; the smelting device comprises a crucible, the crucible is arranged in the furnace body, a heating coil is arranged on the periphery of the crucible, a stirring motor is arranged on the upper cover body, an output shaft of the stirring motor is connected with a stirring rod, and the lower end portion of the stirring rod is connected with a stirrer; a discharge port is arranged in the lower part of the crucible; the crystallization forming device comprises a crystallizer, a cooler and a heater, the crystallizer is arranged in the peripheral direction of the discharge port in the lower part of the crucible, and the cooler is arranged on the periphery of the crystallizer; the heater is arranged at the periphery of the cooler; the traction device comprises traction wheels which are arranged in pairs.
Description
Background Field of the Invention The invention belongs to the technical field of metal continuous casting, and in particular relates to a high temperature metal and alloy Vacuum Vertical continuous casting machine.
Background Information With the rapid development of aerospace, military industry, nuclear industry, smart factories and other fields, the demand for high-temperature metal and alloy Wire (material melting point is l600°C-2200°C) is increasing. In addition to complex and uniform multi-component components, high-temperature metal and alloy Wires also need to have a stable microstructure, Which puts forward higher requirements for Wire billet. UneVen composition control of Wire billet, many casting defects, uneVen microstructure, serious segregation, etc. directly lead to Wire breakage, unstable mechanical properties (strength, elongation, etc.) and electrical properties of the Wire during Wire processing, and it is impossible to obtain a certain length, stable performance of high-performance Wire, seriously affecting the application of high-temperature metal and alloy Wire in the core areas of aerospace, military industry, nuclear industry, etc.
The existing high-temperature metal and alloy Wire billet (material melting point is l600°C- 2200°C) adopt Vacuum casting-hot forging-shaping-hot rolling-multi-pass continuous draWing process, and this process mainly has the folloWing shortcomings: 1. in the mould casting, the microstructure uniformity is poor, and there are many casting defects, and the liquid metal is difficult to supply for high-temperature metal or alloy, Which causes many defects such as porosity and shrinkage in the ingot; 2. there are many impurities and defects on the surface of the ingot, and its surface and both ends need to be polished before hot forging, so the material use efficiency is loW; 3. due to the limitations of casting molds and hot forging molds, large-length billets cannot be obtained; 4. during hot forging and rolling, impurities and contaminants on the surface of the billet easily enter the interior of the billet to form inclusions, Which seriously reduce the subsequent draWing processing characteristics of the Wire, and the Wire breakage rate is high; 5. the process floW is long and the production efficiency is loW. The above-mentioned problems seriously affect the consistency of the Wire billet, and bring inconvenience to the subsequent processing and use of the Wire. Increasing the length of high-temperature metal and alloy Wire billets, eliminating casting defects, reducing processing flow, and stabilizing billet components and properties are urgent problems to be solved in high-temperature metal and alloy Wire processing.
Therefore, it is necessary to provide an improved technical solution for the deficiencies of the above-mentioned prior art.
SUMMARY The purpose of the present invention is to provide a high temperature metal and alloy vacuum vertical continuous casting machine to at least solve the problems of current mold casting, poor uniformity of microstructure and many casting defects, etc.
In order to achieve the above object, the present invention provides the following technical solutions: A high temperature metal and alloy vacuum vertical continuous casting machine, the continuous casting machine comprises a vacuum device, a smelting device, a heat preservation device, a crystallization fonning device and a traction device; the vacuum device comprises a fumace body and an upper cover body, and an exhaust valve for vacuuming and an intake valve for air intake are arranged on the filrnace body; the smelting device comprises a crucible arranged in the furnace body, a heating coil is arranged on the periphery of the crucible, a stirring motor is arranged on the upper cover body, and an output shaft of the stirring motor is connected With a stirring rod, a stirrer is connected to a loWer end portion of the stirring rod, and the stirrer extends into the crucible; the loWer part of the crucible is provided With a discharge port; the heat preservation device comprises a fiJmace body graphite fiber fixed on the fumace body; a cover body graphite f1ber is arranged on a loWer surface of the upper cover body; the crystallization forming device comprises a crystallizer, a cooler and a heater, the crystallizer is arranged in the peripheral direction of the discharge port at the loWer part of the crucible, the cooler is arranged on the periphery of the crystallizer, and is fed With a cooling liquid; the heater is arranged on the periphery of the cooler, and is used to adjust the temperature of the cooler; the traction device comprises traction Wheels, the traction Wheels are arranged in pairs, and a continuous Casting billet rod is drawn out after passing through two oppositely arranged traction wheels after passing through the crystallization fonning device.
The above-mentioned high temperature metal and alloy vacuum vertical continuous casting machine, as a preferred solution, the vacuum device further comprises a lifting motor and a lifting screw, and the lifting motor controls the lifting and falling of the lifting screw, a bracket is fiXedly connected between a top end of the lifting screw and the upper cover body to control the lifting and opening process of the upper cover body by the lifting motor.
The above-mentioned high temperature metal and alloy vacuum vertical continuous casting machine, as a preferred solution, the crucible comprises an inner crucible and an outer crucible, the inner crucible is a boron nitride crucible, and the outer crucible is a graphite crucible.
The above-mentioned high temperature metal and alloy vacuum vertical continuous casting machine, as a preferred solution, a recovery tray is provided directly below the crystallizer, an avoidance hole is provided in the center of the recovery tray, and the avoidance hole is aligned with the discharge port in a up-down direction.
The above-mentioned high temperature metal and alloy vacuum vertical continuous casting machine, as a preferred solution, the heat preservation device fiirther comprises an intemal graphite fiber, and the intemal graphite fiber is wound around the periphery of the crucible, the heating coil is arranged between the inner graphite fiber and the furnace body graphite fiber.
The above-mentioned high temperature metal and alloy vacuum vertical continuous casting machine, as a preferred solution, a support frame is arranged at the bottom inside the fiimace body, and the crystallizing forining device is arranged on the support frame.
The above-mentioned high temperature metal and alloy vacuum vertical continuous casting machine, as a preferred solution, the support frame comprises an upper support plate and a lower support plate that are fiXedly connected; the crystallization forining device further comprises a heat insulation pad arranged on the upper support plate, the crucible is placed above the heat insulation pad, the discharge port passes through the heat insulation pad and is connected with the crystallizer by interference, the cooler is located below the heat insulation pad, and both the cooler and the heater are placed on the lower support plate; the cooler is connected with a liquid inlet pipe and a liquid outlet pipe.
The above-mentioned high temperature metal and alloy vacuum vertical continuous casting machine, as a preferred solution, the traction device further comprises a traction Wheel frame, and the traction Wheel frame is provided With tWo traction Wheels, and both traction Wheels are connected to the traction Wheel frame through a shaft; the traction Wheel frame is also provided With a pressing handle, a pressing screW, and a pressing screW sleeve, and the pressing screW sleeve is fixed on the traction Wheel frame and is arranged on an extension line connecting the centers of the tWo traction Wheels, the pressing screW is screWed With the pressing screW sleeve, the pressing handle is arranged at one end of the pressing screW away from traction Wheels, and the other end of the pressing screW is in contact With traction Wheels.
The above-mentioned high temperature metal and alloy vacuum vertical continuous casting machine, as a preferred solution, the traction device fiirther comprises a guide rail, and the traction Wheel frame is slidably arranged on the guide rail; the traction device further comprises a screW, an end portion of the screW is provided With a displacement handle, a nut is fixed on the traction Wheel frame, the screW is threaded matched With the nut, and the screW is driven to rotate by the displacement handle, so that the nut is translated relative to the screW, to drive the traction Wheel frame to translate along the guide rail.
The above-mentioned high temperature metal and alloy vacuum vertical continuous casting machine, as a preferred solution, there are three traction devices, and tWo of the traction devices are arranged in the horizontal direction to realize traction of the continuous casting billet rod; one of the traction devices is arranged in the vertical direction to realize the steering of the continuous casting billet rod.
Beneficial effects: the high temperature metal and alloy vacuum vertical continuous casting machine of the present invention adopts high-density graphite fiber for heat preservation, arranging a crystallization forming device With a temperature regulating function, and a stirrer, so that the composition of the metal melt in the crucible can be more uniform, and has the features of uniform composition, no casting defects, good microstructure consistency and near net forming (i.e. less subsequent machining), and provides a good billet for subsequent processing of high-temperature metal and alloy Wire, reducing material loss and improving production efficiency.
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic structural diagram of a continuous casting machine in a specific embodiment of the present invention; FIG. 2 is a schematic diagram of the structure obtained by a crystallization forming device in a specific embodiment of the present invention.
In the drawings: 1. base; 2. traction wheel; 3. guide rail; 4. screw; 5. displacement handle; 6. sealing sleeve; 7. lifting motor; 8. graphite crucible; 9. boron nitride crucible; 10. graphite fiber; 11. lifting screw; 12. bracket; 13. sight window; 14. internal sealing rubber ring; 15. stirrer hood; 16. stirring motor; 17. infrared therinometer; 18. upper cover body; 19. vacuum scale; 20. cover body graphite fiber; 21. furnace body; 22. exhaust valve; 23. fixing frame; 24. heating coil; 25. stirring rod; 26. stirrer; 27. heat insulation pad; 28. heater 29. intake valve; 30. crystallizer; 31. support frame; 32. cooler; 33. liquid inlet pipe and liquid outlet pipe; 34. recovery tray; 35. pressing handle; 36. pressing screw; 37. fixing bolts; 38. traction wheel frame; 39. alloy rod; 40. traction head.
DETAILED DESCRIPTION OF EMBODIMENTS The technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those of ordinary skill in the art fall within the protection scope of the present invention.
In the description of the present invention, the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", and the like designate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present invention and do not require that the present invention must be constructed and operated in a particular orientation, and therefore should not be construed as limited to the present invention. The terms "connected" and "connecting" used in the present invention should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection; it may be directly connected or indirectly connected through intermediate components. For those skilled in the art, the specific meanings of the above terms can be understood according to specific situations.
The present invention Will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments. It should be noted that the embodiments of the present invention and the features of the embodiments may be combined with each other under the condition of no conflict.
According to a specific embodiment of the present invention, as shown in FIG.1, the present invention provides a high temperature metal and alloy vacuum vertical continuous casting machine, which comprises a support device, a vacuum device, a smelting device, a heat preservation device, a crystallization fonning device and a traction device. The support device consists of a base 1, and the entire continuous casting machine is arranged on the base 1.
The vacuum device comprises a fiimace body 21, an upper cover body 18 , a lifting motor 7 and a lifting screw 11, the lifting motor 7 controls the lifting and falling of the lifting screw 11, and a bracket 12 is fixedly connected between a top end of the lifting screw 11 and the upper cover body 18 The left end of the bracket 12 and the screw 4 are fixedly connected by lifting bolts, the right end of the bracket 12 is welded on the upper cover body18, the lifting motor 7 drives the lifting screw 11 to move up and down in the vertical direction, and the lifting screw 11 drives the upper cover body 18 moving up and down through the bracket 12, to realize the opening and closing between the upper cover body 18 and the fiimace body 21; the lifting motor 7 is used in conjunction with the lifting screw 11, which can not only accurately realize the alignment opening and closing between the upper cover body 18 and the fumace body 21 , but also the lifting motor 7 controls the lifting screw 11 to fall, so that the upper cover body 18 has a downward pressure on the fumace body 21, thereby ensuring the tight abutrnent between the upper cover body 18 and the fumace body 21, and ensuring that the heat of the furnace body 21 not to be lost.
A sealing ring is also arranged between the upper cover body 18 and the fiimace body 21, and a vacuum scale 19 is welded and fixed on the upper cover body 18; A sight window 13 is also provided at the top of the upper cover body 18, through which the bottom of the crucible can be directly observed. The fumace body 21 is provided with an exhaust valve 22 for vacuuming, and an intake valve 29 for air intake. The air intake valve 29 is used for charging gas into the fumace body 21 when it is necessary to open the upper cover body 18, so as to balance the gas pressure inside and outside the filmace body and facilitate the opening of the upper cover body 18.
The bottom of the furnace body 21 is provided With a sealing sleeve 6, the outer periphery of the sealing sleeve 6 is provided With external threads, the corresponding fumace body 21 is provided With internal threads, the sealing sleeve 6 is threaded connected to the fumace body 21, the centre of the sealing sleeve 6 is provided With a perforation, and a rubber sealing ring is provided in the perforation, the perforation is aligned With the discharge port on the crucible in the up-doWn direction, the continuous casting billet rod passes through the filmace body 21 through the perforation, and the sealing sleeve 6 ensures the sealing of the furnace body 21, thereby, ensuring the inside of the furnace body 21 is in a vacuum state, so as to prevent external impurities from affecting the alloy smelting.
The smelting device comprises a crucible, the crucible is arranged in the filmace body 21, and a heating coil 24 is arranged on the periphery of the crucible. In this embodiment, the crucible comprises an inner crucible and an outer crucible, the inner crucible is a boron nitride crucible 9, and the outer crucible is a boron nitride crucible 9. In other embodiments, the crucible can also be a composite material crucible, the inner layer of the composite material crucible is made of boron nitride material, and the outer layer is made of graphite material. The loWer part of the crucible is provided With a discharge port, and the molten metal comes out from the discharge port and passes through the crystallization forrning device to become a continuous casting billet rod.
A stirring motor 16 is arranged in the center of the upper cover body 18, a stirrer hood 15 is also fixed on the stirring motor 16 by bolts, and a sealing ring is arranged at the connection between the tWo. The output shaft of the stirring motor 16 is connected to the stirring rod 25 through the upper cover body 18, and a stirrer 26 is connected to the end portion of the stirring rod 25 , and the stirrer 26 extends into the crucible; A sealing rubber ring 14 is provided betWeen the stirring rod 25 and the stirring motor 16.
An infrared thermometer 17 is penetratingly provided on the upper cover body 18, and the loWer part of the infrared thermometer 17 points into the crucible, so that the infrared thermometer 17 can measure the temperature of the molten metal in the crucible. In this embodiment, the heating coil 24 is connected to an external intermediate frequency poWer supply, and the material of the stirring rod 25 and the stirrer 26 is both boron nitride.
The heat preservation device comprises the filmace body graphite fiber fixed on the filmace body 21, a fixing frame 23 is arranged on the inner Wall of the fiimace body 21, and the fumace body graphite fiber is fixed to the inner Wall of the furnace body 21 through the fiXing frame 23. Specifically, a groove is provided in the fumace body graphite fiber in a position corresponding to the fiXing frame 23, and the furnace body graphite fiber is stuck on the fixing frame 23; the lower surface of the upper cover body 18 is provided with a cover body graphite fiber 20; the heat preservation device also comprises an inner graphite fiber 10, the inner graphite fiber 10 surrounds the periphery of the crucible, and the heating coil 24 is arranged between the inner graphite fiber 10 and the fiimace body graphite fiber.
The crystal forining device comprises a crystallizer 30, a traction head 40 , an alloy rod 39 , a cooler 32 and a heater 28 , and the crystallizer 30 is made of boron nitride material. The crystallizer 30 is arranged in the peripheral direction of the discharge port at the lower part of the crucible, and a cooler 32 is arranged on the periphery of the crystallizer 30, and is fed With cooling liquid; a heater 28 is arranged on the periphery of the cooler 32, and is used to adjust the temperature of the cooler 32; a recovery tray 34 is arranged directly below the crystallizer 30, the recovery tray 34 is composed of two semicircular structures, and the center of the recovery tray 34 is provided with an avoidance hole, and the avoidance hole is aligned with the discharge port in the up-down directions. The traction head 40 is made of boron nitride, the length of the traction head 40 is greater than 150mm, and the two ends are respectively provided with threaded holes, which can be connected with one end of the alloy rod 39 by threads; the alloy rod 39 is made of high-temperature metal or alloy rod, and one end is provided with threads, so that the threaded connection with the traction head 40 can be realized. In this embodiment, the material of the recovery tray 34 is boron nitride; when liquid leakage occurs during the continuous casting process, the molten metal will flow into the recovery tray 34 to prevent the molten metal from flowing freely in the furnace body 21 and damage the intemal structure of the fiimace body 21.
The bottom of the fiimace body 21 is provided with a support frame 31, and the crystallization forming device is arranged on the support frame 31. The support frame 31 comprises an upper support plate and a lower support plate, the lower support plate is located at the lower part of the upper support plate, the lower support plate and the upper support plate are arranged horizontally, and a support plate is arranged between the two; the crystallization forining device also comprises a heat insulation pad 27, the heat insulation pad 27 is made of high-density graphite fiber material, the thickness of the heat insulation pad 27 is not more than 50mm, the heat insulation pad 27 is arranged on the upper support plate, the crucible is placed above the heat insulation pad 27, and the discharge port passes through the heat insulation pad 27 and connected With the crystallizer 30 by interference, the cooler 32 is located below the heat insulation pad 27, the cooler 32 and the heater 28 both are placed on the loWer support plate; the cooler 32 is connected With a liquid inlet pipe and a liquid outlet pipe 33. In this embodiment, the cooling medium in the cooler can be Water, kerosene, or metals such as gallium and indium; the heater 28 adopts a resistance heating method, and the material can be graphite or other metal heaters, and the temperature of the cooler 32 is adjusted by the heater 28, so as to obtain an appropriate degree of super cooling and ensure the fonning quality of the continuous casting billet rod.
The traction device comprises traction Wheels 2, and the traction Wheels 2 are arranged in pairs, and the continuous casting billet rod is draWn out after passing through tWo oppositely arranged traction Wheels 2 after passing through the crystallization forming device. The surface layer of the traction Wheel 2 is rubber, Which can increase the friction during the traction process.
The traction device further comprises a traction Wheel frame 38 on Which tWo traction Wheels 2 are arranged, and both traction Wheels 2 are connected to the traction Wheel frame 38 through a shaft; the traction Wheel frame 38 is also provided With a pressing handle 35, a pressing screW 36 and a pressing screW sleeve, the pressing screW sleeve is fixed on the traction Wheel frame 38 and is arranged on the extension line connecting the centers of the tWo traction Wheels 2, an external thread is provided on the periphery of the pressing screW 36, an intemal thread is provided inside the pressing screW sleeve, the pressing screW 36 is in threaded engagement With the pressing screW sleeve, the pressing handle 35 is provided at one end of the pressing screW 36 aWay from the traction Wheels 2, and the other end of the pressing screW 36 is in contact With the traction Wheels 2. By rotating the pressing handle 35, the pressing screW 36 can be moved closer to or aWay from the traction Wheels 2, so that a single traction Wheel 2 can move, so as to press the continuous casting billet rod, or adjust the gap betWeen the tWo traction Wheels 2 to control the diameter of the continuous cast billet rod.
The traction device further comprises a guide rail 3, on Which the traction Wheel frame 38 is slidably arranged; the traction device also comprises a screW 4, the end of the screW 4 is provided With a displacement handle 5, and a nut is fixed on the traction Wheel frame 38, and the screW 4 is threaded matched With the nut, the screw 4 is driven to rotate by the displacement handle 5 , so that the nut translates relative to the screw 4 to drive the traction Wheel frame 38 to translate along the guide rail 3 . The guide rail is fixed on the base 1 by fixing bolts 37.
There are three traction devices, two traction devices are arranged in the horizontal direction to realize the traction of the continuous casting billet rod in the vertical direction, and one traction device is arranged in the vertical direction to realize the steering of the continuous casting billet rod. The continuous casting billet rod is drawn out after two vertical traction forces and one transverse traction force in tum. The traction device of the present invention first pulls out the alloy rod 39 in the initial stage of continuous casting, and then pulls out the continuous casting billet rod after the alloy rod 39 and the traction head 40 being drawn out, thereby achieving the continuous casting process of high-temperature metal and alloy.
When using the continuous casting machine, firstly, the traction head 40 and the alloy rod 39 are screwed together and inserted into the crystallizer 30, with the top of the traction head 40 flushed with the bottom of the boron nitride crucible 9. The lifting motor 7 controls the lifting screw 11 to rise upward, thereby driving the upper cover body 18 to open, and then puts the metal to be smelted into the boron nitride crucible 9, and the heating coil 24 is connected to the intennediate frequency power supply to heat the metal to be smelted, and smelting accessories are added during the smelting process until the composition of the molten metal meets the design requirements, and then the lifting screw 11 is controlled to fall down by the lifting motor 7, so that the upper cover body 18 and the furnace body 21 are closed, and then vacuum the closed fumace body via the exhaust valve 22, so that the molten metal is in a vacuum state to avoid being affected by the outside, at the same time, the stirring motor 16 is tumed on, and the stirring rod 25 drives the stirrer 26 to rotate, so as to ensure that the cost of the molten metal is uniform without segregation. After the smelting is finished, tuming on the traction device to draw the continuous casting billet rod out of the crystallizer via the alloy rod 39 and the traction head 40, so as to achieve net shaping production; After the alloy rod 39 and the traction head 40 are led out, the continuous casting billet rod is drawn out, and the continuous casting billet rod successively passes through the recovery tray 34, the sealing sleeve 6 to pass out of the furnace body, and under the traction action of a pair of traction wheels in the traction device, the continuous casting billet rod completes the manufacture of a large-length billet.
To sum up, the high temperature metal and alloy vacuum vertical continuous casting machine provided by the present invention realizes the continuous casting of high-temperature metal and alloy, and has the features of uniform composition, no casting defects, good microstructure consistency and near net forming (i.e. less subsequent machining), and provides a good billet for subsequent processing of high-temperature metal and alloy Wire, reducing material loss and improving production efficiency.
The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made Within the spirit and principles of the claims in the present invention.
Claims (6)
1. A high temperature metal and alloy vacuum vertical continuous casting machine, characterized in that, the continuous casting machine comprises a vacuum device, a smelting device, a heat preservation device, a crystallization forming device and a traction device; the vacuum device comprises a fumace body and an upper cover body, and an exhaust valve for vacuuming and an intake valve for air intake are arranged on the furnace body; the smelting device comprises a crucible arranged in the fumace body, a heating coil is arranged on the periphery of the crucible, a stirring motor is arranged on the upper cover body, and an output shaft of the stirring motor is connected with a stirring rod, a stirrer is connected to a lower end portion of the stirring rod, and the stirrer extends into the crucible; the lower part of the crucible is provided with a discharge port; the heat preservation device comprises a fumace body graphite fiber fixed on the fumace body; a cover body graphite fiber is arranged on a lower surface of the upper cover body; the crystallization forrning device comprises a crystallizer, a cooler and a heater, the crystallizer is arranged in the peripheral direction of the discharge port at the lower part of the crucible, the cooler is arranged on the periphery of the crystallizer, and is fed with a cooling liquid; the heater is arranged on the periphery of the cooler, and is used to adjust the temperature of the cooler; the traction device comprises traction wheels, the traction wheels are arranged in pairs, and a continuous casting billet rod is drawn out after passing through two oppositely arranged traction wheels after passing through the crystallization fonning device; a support frame is arranged at the bottom inside the fumace body, and the crystallizing forming device is arranged on the support frame; the support frame comprises an upper support plate and a lower support plate that are fiXedly connected; the crystallization forining device further comprises a heat insulation pad arranged on the upper support plate, the crucible is placed above the heat insulation pad, the discharge port passes through the heat insulation pad and is connected with the crystallizer by interference, the cooler is located below the heat insulation pad, and both the cooler and the heater are placed on the lower support plate; the cooler is connected with a liquid inlet pipe and a liquid outlet pipe; the traction device further comprises a traction wheel frame, and the traction wheel frame isprovided With two traction Wheels, and both traction Wheels are connected to the traction Wheel frame through a shaft; the traction Wheel frame is also provided With a pressing handle, a pressing screW, and a pressing screW sleeve, and the pressing screW sleeve is fixed on the traction Wheel frame and is arranged on an extension line connecting the centers of the two traction Wheels, the pressing screW is screWed With the pressing screW sleeve, the pressing handle is arranged at one end of the pressing screW aWay from traction Wheels, and the other end of the pressing screW is in contact With traction Wheels; the traction device further comprises a guide rail, and the traction Wheel frame is slidably arranged on the guide rail; the traction device further comprises a screW, an end portion of the screW is provided With a displacement handle, a nut is fixed on the traction Wheel frame, the screW is threaded matched With the nut, and the screW is driven to rotate by the displacement handle, so that the nut is translated relative to the screW, to drive the traction Wheel frame to translate along the guide rail.
2. The high temperature metal and alloy vacuum vertical continuous casting machine according to claim l, characterized in that, the vacuum device further comprises a lifting motor and a lifting screW, and the lifting motor controls the lifting and falling of the lifting screW, a bracket is fixedly connected betWeen a top end of the lifting screW and the upper cover body to control the lifting and opening process of the upper cover body by the lifting motor.
3. The high temperature metal and alloy vacuum vertical continuous casting machine according to claim 1, characterized in that, the crucible comprises an inner crucible and an outer crucible, the inner crucible is a boron nitride crucible, and the outer crucible is a graphite crucible.
4. The high temperature metal and alloy vacuum vertical continuous casting machine according to claim 2, characterized in that, a recovery tray is provided directly beloW the crystallizer, an avoidance hole is provided in the center of the recovery tray, and the avoidance hole is aligned With the discharge port in a up-doWn direction.
5. The high temperature metal and alloy vacuum vertical continuous casting machine accordingto claim l, characterized in that, the heat preservation device flirther comprises an internal graphite fiber, and the internal graphite fiber is Wound around the periphery of the crucible, the heating coil is arranged betWeen the inner graphite fiber and the furnace body graphite fiber.
6. The high temperature metal and alloy vacuum Vertical continuous casting machine according to claim 1, characterized in that, there are three traction devices, and two of the traction devices are arranged in the horizontal direction to realize traction of the continuous casting billet rod; one of the traction devices is arranged in the vertical direction to realize the steering of the continuous casting billet rod.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110649723.4A CN113385650B (en) | 2021-06-10 | 2021-06-10 | Vacuum vertical continuous casting machine for high-temperature metal and alloy |
| PCT/CN2022/098220 WO2022218448A1 (en) | 2021-06-10 | 2022-06-10 | High temperature metal and alloy vacuum vertical continuous casting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE2350225A1 true SE2350225A1 (en) | 2023-02-28 |
Family
ID=77620348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE2350225A SE2350225A1 (en) | 2021-06-10 | 2022-06-10 | High temperature metal and alloy vacuum vertical continuous casting machine |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN113385650B (en) |
| SE (1) | SE2350225A1 (en) |
| WO (1) | WO2022218448A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113385650B (en) * | 2021-06-10 | 2022-12-30 | 河南理工大学 | Vacuum vertical continuous casting machine for high-temperature metal and alloy |
| CN114087873B (en) * | 2021-11-26 | 2024-03-19 | 江西蓝微电子科技有限公司 | Preparation method of high-performance Jin Jiyin palladium alloy bonding material |
| CN117287966B (en) * | 2023-11-27 | 2024-01-23 | 四川威纳尔特种电子材料有限公司 | Smelting device and method for efficiently forming and producing blank pup joint for bonding wire |
| CN117990688B (en) * | 2024-01-30 | 2024-08-23 | 连云港兴鑫钢铁有限公司 | Novel device and method for measuring titanium content in vanadium-nitrogen-titanium-iron alloy |
| CN118045973B (en) * | 2024-04-16 | 2024-08-16 | 包头市科锐微磁新材料有限责任公司 | Quick quenching wheel assembly structure for vacuum quick quenching furnace |
| CN118204474B (en) * | 2024-05-22 | 2024-07-26 | 福建省鼎智新材料科技有限公司 | Die-casting production product cooling temperature measuring device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1944762A1 (en) * | 1968-12-31 | 1970-07-23 | Buehler William J | Method and device for continuous casting of wire or the like. |
| CH537766A (en) * | 1971-08-30 | 1973-06-15 | Bbc Brown Boveri & Cie | Method and device for the continuous casting or drawing of a particularly metallic extruded body |
| US4000771A (en) * | 1973-07-27 | 1977-01-04 | Williamson Calvin C | Method of and apparatus for continuous casting |
| SE512774C2 (en) * | 1998-03-06 | 2000-05-08 | Abb Ab | Device for casting metal |
| CN201150980Y (en) * | 2008-01-08 | 2008-11-19 | 上海大学 | Composite crystallizer device for continuous casting of titanium-nickel alloy |
| CN104308107B (en) * | 2014-10-10 | 2016-08-31 | 河南理工大学 | A kind of erecting draws formula vacuum melting inert gas shielding continuous charging conticaster |
| CN104390457B (en) * | 2014-11-21 | 2016-05-25 | 浙江宇辰工业炉有限公司 | A kind of metal homogeneous melting furnace |
| CN105414510A (en) * | 2015-11-30 | 2016-03-23 | 陈添乾 | Continuous vacuum casting device and method for silver alloy |
| CN107138699A (en) * | 2017-06-30 | 2017-09-08 | 深圳市金鼎丰贵金属设备科技有限公司 | Bonding wire continuous casting furnace |
| KR101943223B1 (en) * | 2017-12-11 | 2019-01-28 | 송문섭 | Method for manufacturing of bonding wire |
| CN109158561B (en) * | 2018-04-25 | 2024-03-22 | 西安麦特沃金液控技术有限公司 | Dummy bar processing device and vertical continuous casting system |
| CN108311653A (en) * | 2018-05-10 | 2018-07-24 | 合肥中晶新材料有限公司 | High vacuum Frequency Induction Heating melting vertically solidifies continuous casting apparatus |
| CN110026535B (en) * | 2019-05-22 | 2021-03-16 | 河南理工大学 | Horizontal-drawing type copper alloy wire vacuum continuous casting machine |
| CN210176889U (en) * | 2019-07-17 | 2020-03-24 | 圣航粉末冶金河北有限公司 | System for producing and smelting pure iron by vacuum smelting and vertical continuous casting of high-purity reduced iron |
| CN210789150U (en) * | 2019-09-09 | 2020-06-19 | 紫金矿业集团黄金冶炼有限公司 | Crucible for high-vacuum continuous casting of noble metal |
| CN212094266U (en) * | 2020-05-07 | 2020-12-08 | 江西广杰科技协同创新有限公司 | Continuous casting oxygen-free copper rod tractor |
| CN113385650B (en) * | 2021-06-10 | 2022-12-30 | 河南理工大学 | Vacuum vertical continuous casting machine for high-temperature metal and alloy |
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2021
- 2021-06-10 CN CN202110649723.4A patent/CN113385650B/en active Active
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2022
- 2022-06-10 SE SE2350225A patent/SE2350225A1/en unknown
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2022218448A1 (en) | 2022-10-20 |
| CN113385650A (en) | 2021-09-14 |
| CN113385650B (en) | 2022-12-30 |
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