CN213090451U - Vacuum smelting furnace - Google Patents
Vacuum smelting furnace Download PDFInfo
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- CN213090451U CN213090451U CN202021121544.0U CN202021121544U CN213090451U CN 213090451 U CN213090451 U CN 213090451U CN 202021121544 U CN202021121544 U CN 202021121544U CN 213090451 U CN213090451 U CN 213090451U
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Abstract
The utility model relates to a melting equipment technical field discloses a vacuum melting furnace, including the crucible, heating device, vacuum apparatus, agitating unit, feed arrangement and doffer, the lateral wall of crucible is fitted with a contraceptive ring and is equipped with the helicla flute to the indent, heating device includes heating coil, lagging casing and temperature controller, heating coil is around establishing in the helicla flute along the circumference of crucible, lagging casing encloses the periphery of establishing at the crucible, the temperature controller is connected with heating coil and lagging casing respectively, the top lid of crucible is equipped with the crucible lid, agitating unit includes motor and stirring rake, the middle part at the crucible lid is fixed to the motor, the stirring rake rotationally sets up the inner chamber at the crucible and is connected with the output of motor, feed arrangement sets up in one side of crucible lid and communicates to the inner chamber of crucible, doffer sets up in the bottom of crucible and communicates to the inner chamber. Adopt the utility model has the advantages of simple and reasonable structure, the material is heated rapidly and evenly, smelts effectually.
Description
Technical Field
The utility model relates to a melting equipment technical field especially relates to a vacuum melting furnace.
Background
With the rapid development of modern science and technology, particularly with the rapid progress of aerospace, ocean development, energy development and electronic industry, increasingly high requirements are put on the varieties, the yield and particularly the quality of metal materials or non-metal materials.
The vacuum melting furnace is a special melting technology for melting metal materials (such as stainless steel, nickel-based alloy, copper, alloy steel, nickel-cobalt alloy, rare earth neodymium-iron-boron and the like) under the condition of vacuum or protective atmosphere, and also can be used for carrying out vacuum refining treatment and precision casting on the alloy steel. Mainly comprises vacuum induction melting, vacuum arc remelting and electron beam melting.
The traditional vacuum melting furnace generally has the problems of low heating speed and uneven stirring, so that the materials are heated unevenly, the melting efficiency of the materials is greatly reduced, and the melting quality of the materials is unstable.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that a vacuum melting furnace is provided, its simple structure is reasonable, and the material is heated rapidly and evenly, and it is effectual to smelt.
In order to solve the technical problem, the utility model provides a vacuum melting furnace, which comprises a crucible, a heating device, a vacuum device, a stirring device, a feeding device and a blanking device, wherein the side wall of the crucible is provided with an inward concave spiral groove in a ring manner, the heating device comprises a heating coil, a heat preservation shell and a temperature controller, the heating coil is arranged in the spiral groove in a surrounding manner along the circumferential direction of the crucible, the heat preservation shell is arranged at the periphery of the crucible in a surrounding manner, the temperature controller is respectively connected with the heating coil and the heat preservation shell, a crucible cover is arranged on the top cover of the crucible, an air vent is arranged on the crucible cover, the vacuum device is communicated with the air vent, the stirring device comprises a motor and a stirring paddle, the motor is fixed at the middle part of the crucible cover, the stirring paddle is rotatably arranged in the inner cavity of the crucible, the stirring paddle is provided with a plurality of stirring blades, the feeding device is arranged on one side of the crucible cover and communicated to the inner cavity of the crucible, and the blanking device is arranged at the bottom of the crucible and communicated to the inner cavity of the crucible.
As the utility model discloses preferred scheme, heating device still includes the heating seat, the heating seat sets up the bottom of crucible, the heating seat with the temperature controller is connected.
As the utility model discloses preferred scheme, be equipped with on the crucible and be used for measuring the thermometer of the inside temperature of crucible, the thermometer with the temperature controller is connected.
As the utility model discloses preferred scheme, the stirring rake includes the puddler, sets up first stirring vane, the setting of the bottom of puddler are in the second stirring vane and the setting at the middle part of puddler are in the third stirring vane on the top of puddler, first stirring vane is the anchor form, second stirring vane is the propeller form, third stirring vane is the parallelogram of slope.
As a preferred embodiment of the present invention, the first stirring blade is an anchor shape bent upward, and the second stirring blade is a propeller shape having an arc-shaped structure.
As the utility model discloses preferred scheme, the doffer includes blanking pipe and blanking valve, the blanking pipe sets up bottom one side of crucible and intercommunication extremely the inner chamber of crucible, the blanking valve sets up on the blanking pipe.
As the utility model discloses preferred scheme, be equipped with intensifiers and cooler on the blanking pipe, intensifiers is located the front end of blanking pipe, the cooler is located blanking valve department.
As the utility model discloses preferred scheme, feed arrangement includes feed hopper and sets up tilting mechanism on the feed hopper, tilting mechanism is connected with the controller.
As the utility model discloses preferred scheme, the crucible with be equipped with the sealing washer between the crucible lid.
Implement the utility model discloses a vacuum melting furnace compares with prior art, has following beneficial effect:
therefore, the spiral groove is designed, so that the spiral bulge is formed on the cavity wall of the inner cavity of the crucible, the contact area between the material in the crucible and the inner wall of the crucible is larger, the heating area of the material is increased, and the material is heated more rapidly and uniformly; the design of the heat insulation shell can effectively prevent heat loss, ensure that the temperature in the crucible is continuously high and does not drop, and ensure that the heating effect of the material is good; the design that is equipped with a plurality of stirring vane on the stirring rake can the intensive mixing material to it is more even to make the material be heated, further ensures that the smelting of material is effectual. It is visible, the utility model has the advantages of simple and reasonable structure, the material is heated rapidly and evenly, and it is effectual to smelt.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
Fig. 1 is a schematic structural diagram of a vacuum melting furnace provided by the present invention.
In the figure: 1. crucible, 2, vacuum device, 3, spiral groove, 4, heating coil, 5, thermal insulation shell, 6, temperature controller, 7, crucible cover, 8, vent hole, 9, motor, 10, heating seat, 11, stirring rod, 12, first stirring blade, 13, second stirring blade, 14, third stirring blade, 15, blanking pipe, 16, blanking valve, 17, temperature rising device, 18, cooler, 19, feeding funnel, 20 and turnover mechanism.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, which indicate the orientation or positional relationship, are used in the present invention as being based on the orientation or positional relationship shown in the drawings, and are used only for convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1, the preferred embodiment of the present invention is a vacuum melting furnace, which includes a crucible 1, a heating device, a vacuum device 2, a stirring device, a feeding device and a discharging device, wherein a spiral groove 3 is annularly arranged on a side wall of the crucible 1, the heating device includes a heating coil 4, a heat insulating housing 5 and a temperature controller 6, the heating coil 4 is circumferentially wound in the spiral groove 3 along the crucible 1, the heat insulating housing 5 is circumferentially arranged around the crucible 1, the temperature controller 6 is respectively connected with the heating coil 4 and the heat insulating housing 5, a crucible cover 7 is arranged on a top cover of the crucible 1, an air vent 8 is arranged on the crucible cover 7, the vacuum device 2 is communicated with the air vent 8, specifically, the crucible 1 is connected with the crucible cover 7 through a flange, the stirring device includes a motor 9 and a stirring paddle, the motor 9 is fixed in the middle of the crucible cover 7, the stirring paddle is rotationally arranged in the inner cavity of the crucible 1 and is connected with the output end of the motor 9, the stirring paddle is provided with a plurality of stirring blades, the feeding device is arranged on one side of the crucible cover 7 and communicated to the inner cavity of the crucible 1, and the blanking device is arranged at the bottom of the crucible 1 and communicated to the inner cavity of the crucible 1.
Therefore, the spiral groove 3 of the utility model enables the cavity wall of the inner cavity of the crucible 1 to form a spiral protruding part, so that the contact area between the material in the crucible 1 and the inner wall of the crucible 1 is larger, the heating area of the material is increased, and the material is heated more rapidly and uniformly; the design of the heat insulation shell 5 can effectively prevent heat dissipation, ensure that the temperature in the crucible 1 is continuously high and does not drop, and ensure that the heating effect of the materials is good; the design that is equipped with a plurality of stirring vane on the stirring rake can the intensive mixing material to it is more even to make the material be heated, further ensures that the smelting of material is effectual. It is visible, the utility model has the advantages of simple and reasonable structure, the material is heated rapidly and evenly, and it is effectual to smelt.
Exemplarily, the heating device further comprises a heating base 10, the heating base 10 is arranged at the bottom of the crucible 1 and is located between the crucible 1 and the heat preservation shell 5, and the heating base 10 is connected with the temperature controller 6. With such a design, the crucible 1 can be heated by the heating base 10; when the heating seat 10 and the heating coil 4 work simultaneously, the heating degree of the crucible 1 can be enhanced, so that the materials are heated more rapidly; when the heating coil 4 is damaged and cannot work, the crucible 1 can still be heated through the heating seat 10, the normal operation of the smelting process of materials is ensured, and the practicability is high.
Illustratively, a thermometer for measuring the internal temperature of the crucible 1 is arranged on the crucible 1, and the thermometer is connected with the temperature controller 6, so that the temperature controller 6 can control the heating temperature of the heating coil 4 and the heating base 10 according to the data of the thermometer, the melting process is controllable, and the good melting effect of the material is ensured.
Illustratively, the stirring paddle comprises a stirring rod 11, a first stirring blade 12 arranged at the bottom end of the stirring rod 11, a second stirring blade 13 arranged at the middle part of the stirring rod 11, and a third stirring blade 14 arranged at the top end of the stirring rod 11, wherein the first stirring blade 12 is in an anchor shape, the second stirring blade 13 is in a propeller shape, and the third stirring blade 14 is in an inclined parallelogram shape. Specifically, the first stirring blade 12 is in the shape of an anchor bent upward, and the second stirring blade 13 is in the shape of a propeller having an arc-shaped structure. Such design, first stirring vane 12 can stir the dispersion to the material of 1 bottom of crucible, play the effect of holding down, second stirring vane 13 can stir the material at 1 middle part of crucible, let 1 inside two circulation systems that form of crucible, make the material intensive mixing even, third stirring vane 14 can stir the material on 1 upper portion of crucible, make the material follow supreme quilt homogeneous mixing down, improved stirring efficiency and make the stirring more even through the syllogic design, thereby ensure that being heated of material is even quick.
Illustratively, the blanking device comprises a blanking pipe 15 and a blanking valve 16, wherein the blanking pipe 15 is arranged on one side of the bottom of the crucible 1 and communicated to the inner cavity of the crucible 1, and the blanking valve 16 is arranged on the blanking pipe 15; the blanking pipe 15 is provided with a temperature rising device 17 and a cooling device 18, the temperature rising device 17 is located at the front end of the blanking pipe 15, and the cooling device 18 is located at the blanking valve 16. In this embodiment, the blanking valve 16 is made of a copper metal material; the cooler 18 is of a cooling water jacket structure. By the design, when the molten selenium solution flows to the blanking valve 16, the molten selenium solution is rapidly cooled by the cooler 18 to form amorphous glassy selenium, and a gap between the blanking valve 16 and the blanking pipe 15 is filled with the amorphous glassy selenium to form a closed connection; the selenium solution in the blanking pipe 15 exchanges heat with the selenium cooled at the blanking valve 16 to form amorphous selenium with a certain thickness, and the amorphous selenium begins to soften at 40-50 ℃, so that self-sealing is performed by utilizing the plasticity of the selenium at the temperature. When blanking is needed, the temperature rising device 17 of the blanking pipe 15 is opened for heating, the glassy selenium liquid at the blanking pipe 15 and the blanking valve 16 is gradually melted through heat transfer among materials, and the selenium liquid in the equipment can be directly discharged by opening the blanking valve 16; therefore, the blanking device solves the problem of difficult discharging of the selenium melt caused by high viscosity, easy volatilization and difficult heat conduction at present.
Illustratively, the feeding device comprises a feeding hopper 19 and a turnover mechanism 20 arranged on the feeding hopper 19, and the turnover mechanism is connected with a controller. By means of the design, the turnover frequency of the turnover mechanism can be controlled by the controller, the feeding device can feed the crucible 1 continuously in a timed and quantitative mode, the feeding amount of materials is more accurate and controllable, the labor intensity of workers is reduced, and the working efficiency is improved.
Illustratively, a sealing ring is arranged between the crucible 1 and the crucible cover 7, so that the crucible 1 and the crucible cover 7 are in sealing connection, the crucible 1 is ensured to be kept in a vacuum state for a long time after being vacuumized, and the normal operation of the material smelting process is ensured.
In the description of the present invention, it is to be understood that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are used in a generic sense, e.g., fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, therefore, the invention is not limited thereto.
Claims (9)
1. A vacuum smelting furnace is characterized by comprising a crucible, a heating device, a vacuum device, a stirring device, a feeding device and a blanking device, wherein an inward concave spiral groove is annularly arranged on the side wall of the crucible, the heating device comprises a heating coil, a heat preservation shell and a temperature controller, the heating coil is arranged in the spiral groove in a surrounding manner along the circumferential direction of the crucible, the heat preservation shell surrounds the periphery of the crucible, the temperature controller is respectively connected with the heating coil and the heat preservation shell, a crucible cover is arranged on the top cover of the crucible, an air hole is arranged on the crucible cover, the vacuum device is communicated with the air hole, the stirring device comprises a motor and a stirring paddle, the motor is fixed in the middle of the crucible cover, the stirring paddle is rotatably arranged in an inner cavity of the crucible and is connected with the output end of the motor, and is provided with a plurality of stirring blades, the feeding device is arranged on one side of the crucible cover and communicated to the inner cavity of the crucible, and the blanking device is arranged at the bottom of the crucible and communicated to the inner cavity of the crucible.
2. The vacuum melting furnace according to claim 1, wherein the heating device further comprises a heating base, the heating base is arranged at the bottom of the crucible, and the heating base is connected with the temperature controller.
3. The vacuum melting furnace according to claim 1, wherein a thermometer is provided on the crucible for measuring an internal temperature of the crucible, and the thermometer is connected to the temperature controller.
4. The vacuum melting furnace according to claim 1, wherein the stirring paddle comprises a stirring rod, a first stirring blade provided at a bottom end of the stirring rod, a second stirring blade provided at a middle portion of the stirring rod, and a third stirring blade provided at a top end of the stirring rod, the first stirring blade is in an anchor shape, the second stirring blade is in a propeller shape, and the third stirring blade is in an inclined parallelogram shape.
5. The vacuum melting furnace according to claim 4, wherein the first stirring blade has an anchor shape bent upward, and the second stirring blade has a propeller shape having an arc-shaped structure.
6. The vacuum melting furnace according to claim 1, wherein the blanking device comprises a blanking pipe and a blanking valve, the blanking pipe is arranged on one side of the bottom of the crucible and communicated to the inner cavity of the crucible, and the blanking valve is arranged on the blanking pipe.
7. The vacuum smelting furnace according to claim 6, wherein a temperature raiser and a cooler are provided on the blanking pipe, the temperature raiser is located at a front end of the blanking pipe, and the cooler is located at the blanking valve.
8. The vacuum melting furnace according to claim 1, wherein the feeding means comprises a feeding funnel and a turning mechanism arranged on the feeding funnel, the turning mechanism being connected with a controller.
9. The vacuum melting furnace according to claim 1, wherein a sealing ring is provided between the crucible and the crucible cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021121544.0U CN213090451U (en) | 2020-06-16 | 2020-06-16 | Vacuum smelting furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021121544.0U CN213090451U (en) | 2020-06-16 | 2020-06-16 | Vacuum smelting furnace |
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| CN213090451U true CN213090451U (en) | 2021-04-30 |
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| CN202021121544.0U Active CN213090451U (en) | 2020-06-16 | 2020-06-16 | Vacuum smelting furnace |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113606939A (en) * | 2021-08-09 | 2021-11-05 | 浙江华达新型材料股份有限公司 | Smelting furnace for rare earth alloy |
| CN113842964A (en) * | 2021-09-18 | 2021-12-28 | 蚌埠学院 | Binary alloy eutectic melting crucible |
| CN114294958A (en) * | 2021-12-09 | 2022-04-08 | 艾斯迪(芜湖)材料技术有限公司 | Continuous aluminum alloy centralized melting device capable of being used as needed |
| CN116005032A (en) * | 2022-12-13 | 2023-04-25 | 湖南文昌新材科技股份有限公司 | Preparation device, method and material of metal matrix composite |
-
2020
- 2020-06-16 CN CN202021121544.0U patent/CN213090451U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113606939A (en) * | 2021-08-09 | 2021-11-05 | 浙江华达新型材料股份有限公司 | Smelting furnace for rare earth alloy |
| CN113842964A (en) * | 2021-09-18 | 2021-12-28 | 蚌埠学院 | Binary alloy eutectic melting crucible |
| CN113842964B (en) * | 2021-09-18 | 2023-10-20 | 蚌埠学院 | Binary alloy eutectic melting crucible |
| CN114294958A (en) * | 2021-12-09 | 2022-04-08 | 艾斯迪(芜湖)材料技术有限公司 | Continuous aluminum alloy centralized melting device capable of being used as needed |
| CN114294958B (en) * | 2021-12-09 | 2024-03-01 | 艾斯迪(芜湖)材料技术有限公司 | Continuous aluminum alloy centralized melting device capable of being used immediately after being needed |
| CN116005032A (en) * | 2022-12-13 | 2023-04-25 | 湖南文昌新材科技股份有限公司 | Preparation device, method and material of metal matrix composite |
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