CN103447506A - Compound smelting equipment ultrasonically stirring low-melting-point alloy - Google Patents
Compound smelting equipment ultrasonically stirring low-melting-point alloy Download PDFInfo
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Abstract
The invention discloses compound smelting equipment ultrasonically stirring low-melting-point alloy, which is applicable for the smelting and preparation of the low-melting-point alloy, in particular to various tin-bismuth series alloy at the low melting point of below 300 DEG C. The equipment comprises a crucible, a heat-preservation and heating device, a temperature control device, an ultrasonic stirring device, an ultrasonic wave generation and control device and a mechanical stirring device, wherein molten metal is put in the crucible. The equipment is simple in structure and practical; the mechanical stirring device and the ultrasonic stirring device are mutually perpendicular without intervention; ultrasonic waves are imported to the molten metal from the side of the crucible; the efficiency is high, the ultrasonic energy loss is low, and moreover, the solid rate of the molten metal is higher; even when metal stirring fails, the ultrasonic waves still can be applied till metal solidification; through the compound ultrasonic and mechanical stirring, grains can be refined, so that a non-dendritic structure is obtained; homogenizing of the ingredients and the temperature of the fused molten metal is sped up; the plasticity of prepared alloy is improved greatly in comparison with the plasticity of alloy prepared by a traditional method.
Description
Technical field
The invention belongs to the preparing technical field of metal, be specifically related to a kind of low-melting alloy ultrasonic agitation compound smelting equipment, be applicable to melting and the preparation of the low-melting alloy alloy that particularly various tin bismuths are below 300 ℃.
Background technology
Metallic article directly is decided by the quality of melting link and metal bath as the quality of ingot casting, foundry goods, continuous cast products.Gas in melt, the level of control of field trash are the important reactions of the degree of purity of metal bath.Along with the development of smelting and equipment and technology, the degree of purity of metal bath is largely increased, and level of inclusions and gas content are reduced, but this problem still exists.Improve melt quality, mechanical mixing method is simple, stir dead band but exist, affect the uniformity of melt, ultrasonic wave is processed metal bath, can fining metal solidify crystal grain, can promote the gas of metal bath to form bubble the floating of growing up, can promote the reunion of field trash, and then floating, also have to study and think that field trash can be carried out to fragmentation realizes that disperse distributes, these all contribute to improve the quality of metal bath.
Existing research method is mainly that ultrasonic tool head is immersed in pending metal bath and carries out ultrasonic processing, when but the method is processed refractory metal (as steel melt), high temperature resistant and decay resistance requirement to ultrasonic tool head is high, and traditional metal materials is difficult to meet the demands; Even adopt cermet to avoid corrosion, still there is the problem of processing, assembling difficulty and brittle failure easily occurring.Have and adopt metal tantalum as the tool heads material, performance good but expensive (Chinese patent CN 102554195 A).By electromagnet, ultrasonic tool head is adsorbed onto to the method on metallic crucible from the side in addition, indirectly ultrasonic wave is imported to metal bath, but adopt the method ultrasonic attenuation serious, be difficult to effectively process metal bath, and iron crucible not corrosion-resistant (Chinese patent CN 1478624 A) itself.The mode that ultrasonic tool head immerses pending metal bath has also hindered churned mechanically adding.
Summary of the invention
Therefore, in order to overcome the above problems, the invention provides a kind of low-melting alloy ultrasonic agitation compound smelting equipment.Be applicable to melting and the preparation of the low-melting alloy alloy that particularly various tin bismuths are below 300 ℃.Include crucible, heat insulation and heating equipment, temperature regulating device, ultrasonic agitation device, ultrasonic wave generation and control device and mechanical stirring device.Mechanical stirring device and ultrasonic wave agitating device are orthogonal, mutually noninterfere, and ultrasonic wave is directed into metal bath from the side, and the ultrasonic wave agitating device is comprised of ultrasonic transducer, ultrasonic transformer and working head.Working head and crucible are gapped, and gap seals by heat resisting fluororubber, and working head directly contacts with metal bath.The crucible outside is heat insulation and heating equipment, and temperature probe inserts in metal bath, and attemperating unit can be controlled the metal bath temperature.
A kind of low-melting alloy ultrasonic agitation compound smelting equipment provided by the invention, comprise that crucible 8, heat insulation and heating equipment 9, temperature regulating device 5, ultrasonic agitation device 10, ultrasonic wave occur and control device 4 and mechanical stirring device 6, metal bath 11 is placed in crucible 8; The integrative-structure that described ultrasonic wave agitating device 10 is comprised of ultrasonic transducer 3, ultrasonic transformer 2 and working head 1; The outer parcel heat insulation and heating equipment 9 of described crucible 8, temperature regulating device 5 connects respectively heat insulation and heating equipment 9 and temperature probe 7, and temperature probe 7 inserts in metal bath 11, and ultrasonic wave occurs to be connected with ultrasonic agitation device 10 with control device 4; The stirring vane of mechanical stirring device 6 inserts in metal bath 11, mechanical stirring device 6 and the mutual vertical placement of ultrasonic wave agitating device 10, the top of described working head 1 penetrates crucible 8 and directly contacts with metal bath 11, and ultrasonic wave imports in metal bath 11 from the side.
Described ultrasonic wave agitating device 10 is threaded connection and forms integrative-structure by said sequence by ultrasonic transducer 3, ultrasonic transformer 2 and working head 1.
Gapped between the top of described working head 1 and crucible 8, the sealing of heat resisting fluororubber sealing ring is used in gap.
The amplitude of described working head is 30～60 μ m.
Described ultrasonic wave occurs and its ultrasonic frequency of control device is 15～25KHz, and power is 500～1500W.
The stirring vane rotating speed of described mechanical stirring device is 100～500 rev/mins.
Beneficial effect of the present invention:
Mechanical stirring device and ultrasonic wave agitating device are orthogonal, and two mutually noninterferes can apply simultaneously.The ultrasonic agitation composite stirring, can eliminate churned mechanically dead band, remove the gas in melt.The low-temperature alloy melting greatly reduces the high temperature resistant of ultrasonic wave working head and decay resistance requirement, and the working head of doing with the general tool steel just can long-term stable operation.Ultrasonic wave is directed into metal bath from the side, working head and crucible are gapped, gap seals by heat resisting fluororubber, the heat resisting fluororubber sealing can completely cut off transfer of ultrasonic energy and lose to crucible, working head directly contacts with metal bath, ultrasonic energy can efficiently import metal bath, and not limited by crucible material.And higher at the metal bath solid rate, still can apply ultrasonic wave when mechanical agitation is inoperative and stir until metal freezing.Ultrasonic and mechanical composite stirring, can crystal grain thinning, obtains non-tree-crystal tissue, the composition of quickening molten metal bath and the homogenising of temperature, the plasticity excellence of prepared alloy.
The accompanying drawing explanation
Fig. 1 is low-melting alloy ultrasonic agitation compound smelting device structure schematic diagram of the present invention.
Wherein: 1, working head, 2, ultrasonic transformer, 3, ultrasonic transducer, 4, ultrasonic wave occurs and control device, 5, temperature regulating device, 6, mechanical stirring device, 7, temperature probe, 8, crucible, 9, heat insulation and heating equipment, 10, the ultrasonic agitation device, 11, metal bath.
The specific embodiment
Below in conjunction with accompanying drawing 1, the present invention will be further described:
As shown in Fig. 1, it is one that low-melting alloy ultrasonic agitation compound smelting equipment includes crucible 8, heat insulation and heating equipment 9, temperature regulating device 5, ultrasonic agitation device 10(working head 1, ultrasonic transformer 2, ultrasonic transducer 3, between connect and form integrative-structure by screw thread), ultrasonic wave occurs and control device 4 and mechanical stirring device 6 form.Temperature regulating device 5 is connected respectively to heat insulation and heating equipment 9 and temperature probe 7, and crucible 8 outsides are heat insulation and heating equipments 9, and temperature probe 7 inserts in metal bath 11, and attemperating unit 5 can be controlled the temperature of metal bath 11.Ultrasonic wave occurs to be connected with ultrasonic agitation device 10 with control device 4.Mechanical stirring device 6 and the orthogonal installation of ultrasonic wave agitating device 10, ultrasonic wave is directed into metal bath 11 from the side, gapped between working head 1 and crucible 8, and gap is by the sealing of heat resisting fluororubber sealing ring.
Claims (6)
1. a low-melting alloy ultrasonic agitation compound smelting equipment, it is characterized in that: comprise that crucible (8), heat insulation and heating equipment (9), temperature regulating device (5), ultrasonic agitation device (10), ultrasonic wave occur and control device (4) and mechanical stirring device (6), metal bath (11) is placed in crucible (8); The integrative-structure that described ultrasonic wave agitating device (10) is comprised of ultrasonic transducer (3), ultrasonic transformer (2) and working head (1); The outer parcel of described crucible (8) heat insulation and heating equipment (9), temperature regulating device (5) connects respectively heat insulation and heating equipment (9) and temperature probe (7), temperature probe (7) inserts in metal bath (11), and ultrasonic wave occurs to be connected with ultrasonic agitation device (10) with control device (4); The stirring vane of mechanical stirring device (6) inserts in metal bath (11), mechanical stirring device (6) and ultrasonic wave agitating device (10) vertical placement mutually, the top of described working head (1) penetrates crucible (8) and directly contacts with metal bath (11), and ultrasonic wave imports in metal bath (11) from the side.
2. according to the described low-melting alloy ultrasonic agitation of claim 1 compound smelting equipment, it is characterized in that: described ultrasonic wave agitating device (10) is threaded connection and forms integrative-structure by said sequence by ultrasonic transducer (3), ultrasonic transformer (2) and working head (1).
3. according to the described low-melting alloy ultrasonic agitation of claim 1 compound smelting equipment, it is characterized in that: gapped between the top of described working head (1) and crucible (8), the sealing of heat resisting fluororubber sealing ring is used in gap.
4. according to the described low-melting alloy ultrasonic agitation of claim 1 compound smelting equipment, it is characterized in that: the amplitude of described working head is 30～60 μ m.
5. according to the described low-melting alloy ultrasonic agitation of claim 1 compound smelting equipment, it is characterized in that:
Described ultrasonic wave occurs and its ultrasonic frequency of control device is 15～25KHz, and power is 500～1500W.
6. according to the described low-melting alloy ultrasonic agitation of claim 1 compound smelting equipment, it is characterized in that:
The stirring vane rotating speed of described mechanical stirring device is 100～500 rev/mins.
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| CN201310377626.XA CN103447506B (en) | 2013-08-27 | 2013-08-27 | Low-melting alloy ultrasonic agitation compound smelting equipment |
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| CN201310377626.XA CN103447506B (en) | 2013-08-27 | 2013-08-27 | Low-melting alloy ultrasonic agitation compound smelting equipment |
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| CN103447506A true CN103447506A (en) | 2013-12-18 |
| CN103447506B CN103447506B (en) | 2016-04-20 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105499590A (en) * | 2015-12-14 | 2016-04-20 | 石京 | Preparation method and device of ceramic particle reinforced metal matrix composite powder |
| CN106513640A (en) * | 2016-10-28 | 2017-03-22 | 中南大学 | Ultrasonic mold casting method for alloy steel |
| CN112404402A (en) * | 2020-11-19 | 2021-02-26 | 韦登发 | Casting process of pore-free aluminum alloy |
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| CN101391290A (en) * | 2008-11-05 | 2009-03-25 | 江苏大学 | Method for synthesizing metal matrix composition using metal reaction under the coupling action of magnetic field and ultrasonic field |
| CN101612658A (en) * | 2009-07-28 | 2009-12-30 | 华南理工大学 | The ultrasonic agitation continuous casing and the device of preparation metal-base nanometer composite material |
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| JP2011255392A (en) * | 2010-06-07 | 2011-12-22 | Nippon Light Metal Co Ltd | Method for producing aluminum alloy |
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| CN202516758U (en) * | 2012-05-06 | 2012-11-07 | 安徽工业大学 | Connecting device for ultrasonic amplitude transformer and toolhead |
| CN203448652U (en) * | 2013-08-27 | 2014-02-26 | 广东工业大学 | Ultrasonic agitation composite smelting equipment for low-melting-point alloy |
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2013
- 2013-08-27 CN CN201310377626.XA patent/CN103447506B/en active Active
Patent Citations (13)
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| JPS55139148A (en) * | 1979-04-14 | 1980-10-30 | Daido Steel Co Ltd | Ultrasonic wave casting method for steel ingot excellent in inner quality |
| CN1065195A (en) * | 1991-03-09 | 1992-10-14 | 中国人民解放军空军工程学院 | Ultrasonic cavitron |
| CN1454743A (en) * | 2002-04-29 | 2003-11-12 | 李素伟 | Ultrasonic variable amplitude bar and tool head vibrating mode and connecting apparatus |
| CN1478624A (en) * | 2003-07-08 | 2004-03-03 | 上海大学 | Power ultrasonic Lead-in method for improving metal hardened structure |
| CN1702188A (en) * | 2005-06-06 | 2005-11-30 | 辽宁工学院 | Method for preparing nanocystalline ingot casting by magnetic field and ultrasonic combined treatment of metal melt and dedicated apparatus therefor |
| CN1827809A (en) * | 2006-03-24 | 2006-09-06 | 哈尔滨工业大学 | Method and apparatus for preparing composite solder for welding particle enhanced aluminium-based composite material |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105499590A (en) * | 2015-12-14 | 2016-04-20 | 石京 | Preparation method and device of ceramic particle reinforced metal matrix composite powder |
| CN106513640A (en) * | 2016-10-28 | 2017-03-22 | 中南大学 | Ultrasonic mold casting method for alloy steel |
| CN106513640B (en) * | 2016-10-28 | 2019-07-09 | 中南大学 | A kind of ultrasonic wave die casting method of steel alloy |
| CN112404402A (en) * | 2020-11-19 | 2021-02-26 | 韦登发 | Casting process of pore-free aluminum alloy |
| CN112404402B (en) * | 2020-11-19 | 2021-11-09 | 深圳市天合兴五金塑胶有限公司 | Casting process of pore-free aluminum alloy |
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| CN103447506B (en) | 2016-04-20 |
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