CN102126024A - Atomizer for spray forming of high-melting-point alloy deposit billets - Google Patents
Atomizer for spray forming of high-melting-point alloy deposit billets Download PDFInfo
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- CN102126024A CN102126024A CN2011100661392A CN201110066139A CN102126024A CN 102126024 A CN102126024 A CN 102126024A CN 2011100661392 A CN2011100661392 A CN 2011100661392A CN 201110066139 A CN201110066139 A CN 201110066139A CN 102126024 A CN102126024 A CN 102126024A
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Abstract
The invention discloses an atomizer for spray forming of high-melting-point alloy deposit billets, and relates to an atomizer. The invention solves the problem that deposit billets prepared by the atomizer have large grains and low compactness, and cannot be subjected to spray forming to form the high-melting-point alloy deposit billets. A thermal insulating crucible and an atomizing cone are fixedly connected through an atomization plant; the upper part of an upper atomizer is provided with a 35-degree inner taper hole, while the lower part is provided with a step hole communicated with the inner taper hole; the outer wall of the upper atomizer is provided with first external threads; the center of a lower atomizer is provided with first internal threads, a first cylindrical hole and a second cylindrical hole in turn from top to bottom; the side wall of the first cylindrical hole is provided with a second internal threaded hole; the first external threads are screwed in the first internal threads; a cavity is formed between the first cylindrical hole and the outer wall of the step hole; a gap is reserved between the second cylindrical hole and the outer wall of the step hole; and both the upper atomizer and the lower atomizer are made of graphite. The atomizer is suitable for preparing the high-melting-point alloy deposit billets through spray forming.
Description
Technical field
The present invention relates to a kind of atomizer, be specifically related to a kind of atomizer of reaction-injection moulding high-melting-point alloy deposition billet, belong to the materials processing technology field.
Background technology
Spray forming technology is a kind of new preparation technology of rapid solidification near-net-shape material, and this technology has alloying element solubility, the refinement alloy structure of raising, reduces characteristics such as alloying element segregation, the refinement second phase particle.Material with the spray forming technology preparation is compared with the as cast condition material, and its intensity increases substantially, and percentage elongation also can keep certain level.In addition, it is various that this technology has been abandoned the powder metallurgy operation, and oxidation seriously waits not enough, has the advantage of PM technique simultaneously again concurrently, is a kind of fast solidification technology that has competitiveness.
The deposition billet crystal grain that adopts traditional atomizer to prepare is big, density is low, and, traditional atomizer is made by stainless steel, the deposition billet that can only prepare low-melting alloy, can't be applicable to the preparation of the deposition billet of high-melting-point alloy, the temperature of described low-melting alloy is 1400 ℃, and the temperature of high-melting-point alloy is 1500 ℃-1600 ℃.
Summary of the invention
The objective of the invention is in order to solve the deposition billet crystal grain that existing atomizer prepares big, low and the problem that can't reaction-injection moulding high-melting-point alloy deposition billet of density, and then a kind of atomizer of reaction-injection moulding high-melting-point alloy deposition billet is provided.
Technical scheme of the present invention is: a kind of atomizer of reaction-injection moulding high-melting-point alloy deposition billet comprises the insulation crucible, atomizer (atomizing) cone and atomising device, insulation crucible and atomizer (atomizing) cone upper and lower settings, and it is fixedly connected between insulation crucible and the atomizer (atomizing) cone by atomising device, described atomising device comprises atomizer and following atomizer, the top of last atomizer has 35 ° internal taper hole, the bottom of last atomizer has the shoulder hole that is connected with internal taper hole, and internal taper hole is offered with shoulder hole is coaxial, the outer wall of last atomizer is provided with first external screw thread, the center of following atomizer has first internal thread from top to bottom successively, first cylinder hole and second cylinder hole, and first internal thread, first cylinder hole and second cylinder hole are connected and are coaxial, the diameter of second cylinder hole is less than the diameter of first cylinder hole, offer second internal thread hole on the sidewall of first cylinder hole, and second internal thread hole is connected with first cylinder hole, first external thread rotary is screwed in first internal thread, form shoulder between first internal thread and first cylinder hole, form chamber between the outer wall of first cylinder hole and shoulder hole, and second internal thread hole is communicated with chamber, leave the gap between the outer wall of second cylinder hole and shoulder hole, last atomizer and following atomizer are made by graphite.
The present invention compared with prior art has following effect: 1. the present invention is by the improvement to atomising device size and structure, and it is more tiny to prepare crystal grain easily and efficiently, the high-melting-point alloy deposition billet that density is more increased.2. atomising device of the present invention adopts graphite to make, and is applicable to the preparation of high-melting-point alloy deposition billet.3. deposition billet total quality height, the good uniformity of preparing of the present invention is suitable for extensive, industrialization production.
Description of drawings
Fig. 1 is an overall structure schematic diagram of the present invention; Fig. 2 is a structural representation of going up atomizer 4-1; Fig. 3 is the structural representation of following atomizer 4-2.
The specific embodiment
The specific embodiment one: present embodiment is described in conjunction with Fig. 1, the atomizer of a kind of reaction-injection moulding high-melting-point alloy deposition billet of present embodiment comprises insulation crucible 1, atomizer (atomizing) cone 2 and atomising device 4, insulation crucible 1 and atomizer (atomizing) cone 2 upper and lower settings, and it is fixedly connected between insulation crucible 1 and the atomizer (atomizing) cone 2 by atomising device 4, described atomising device 4 comprises atomizer 4-1 and following atomizer 4-2, the top of last atomizer 4-1 has 35 ° internal taper hole 4-1-1, the bottom of last atomizer 4-1 has the shoulder hole 4-1-2 that is connected with internal taper hole 4-1-1, and internal taper hole 4-1-1 offers with shoulder hole 4-1-2 is coaxial, the outer wall of last atomizer 4-1 is provided with the first external screw thread 4-1-3, the center of following atomizer 4-2 has the first internal thread 4-2-1 from top to bottom successively, the first cylinder hole 4-2-2 and the second cylinder hole 4-2-3, and the first internal thread 4-2-1, the first cylinder hole 4-2-2 and the second cylinder hole 4-2-3 are connected and are coaxial, the diameter of the second cylinder hole 4-2-3 is less than the diameter of the first cylinder hole 4-2-2, offer the second internal thread hole 4-2-4 on the sidewall of the first cylinder hole 4-2-2, and the second internal thread hole 4-2-4 is connected with the first cylinder hole 4-2-2, the first external screw thread 4-1-3 is screwed in the first internal thread 4-2-1, form shoulder between the first internal thread 4-2-1 and the first cylinder hole 4-2-2, form chamber 4-3 between the outer wall of the first cylinder hole 4-2-2 and shoulder hole 4-1-2, and the second internal thread hole 4-2-4 is communicated with chamber 4-3, leave the gap between the outer wall of the second cylinder hole 4-2-3 and shoulder hole 4-1-2, last atomizer 4-1 and following atomizer 4-2 make by graphite.
Present embodiment is poured in the atomizer after down high-melting-point alloy being melted in working order, and atomizer of the present invention is particularly useful for the preparation of Ti-51Al alloy deposition billet.
The specific embodiment two: present embodiment is described in conjunction with Fig. 1 and Fig. 2, also be provided with the second external screw thread 4-1-4 on the outer wall of the last atomizer 4-1 of present embodiment, the second external screw thread 4-1-4 is positioned at the top of the first external screw thread 4-1-3, and in the external screw thread of the first external screw thread 4-1-3 footpath less than in the external screw thread of the second external screw thread 4-1-4 footpath.So be provided with, be convenient to being connected of atomizer and other devices.Other composition is identical with the specific embodiment one with annexation.
The specific embodiment three: in conjunction with Fig. 1 present embodiment is described, the gap H between second cylinder hole 4-2-3 of present embodiment and the outer wall of shoulder hole 4-1-2 is 1mm.So be provided with, be convenient to the discharge of inert gas.Other composition is identical with the specific embodiment one or two with annexation.
Claims (3)
1. the atomizer of reaction-injection moulding high-melting-point alloy deposition billet, it comprises insulation crucible (1), atomizer (atomizing) cone (2) and atomising device (4), insulation crucible (1) and atomizer (atomizing) cone (2) upper and lower settings, and it is fixedly connected between insulation crucible (1) and the atomizer (atomizing) cone (2) by atomising device (4), it is characterized in that: described atomising device (4) comprises atomizer (4-1) and following atomizer (4-2), the top of last atomizer (4-1) has 35 ° internal taper hole (4-1-1), the bottom of last atomizer (4-1) has the shoulder hole (4-1-2) that is connected with internal taper hole (4-1-1), and internal taper hole (4-1-1) and coaxial the offering of shoulder hole (4-1-2), the outer wall of last atomizer (4-1) is provided with first external screw thread (4-1-3), the center of following atomizer (4-2) has first internal thread (4-2-1) from top to bottom successively, first cylinder hole (4-2-2) and second cylinder hole (4-2-3), and first internal thread (4-2-1), first cylinder hole (4-2-2) and second cylinder hole (4-2-3) are connected and are coaxial, the diameter of second cylinder hole (4-2-3) is less than the diameter of first cylinder hole (4-2-2), offer second internal thread hole (4-2-4) on the sidewall of first cylinder hole (4-2-2), and second internal thread hole (4-2-4) is connected with first cylinder hole (4-2-2), first external screw thread (4-1-3) is screwed in first internal thread (4-2-1), form shoulder between first internal thread (4-2-1) and first cylinder hole (4-2-2), form chamber (4-3) between the outer wall of first cylinder hole (4-2-2) and shoulder hole (4-1-2), and second internal thread hole (4-2-4) is communicated with chamber (4-3), leave the gap between the outer wall of second cylinder hole (4-2-3) and shoulder hole (4-1-2), last atomizer (4-1) and following atomizer (4-2) are made by graphite.
2. the atomizer of a kind of reaction-injection moulding high-melting-point alloy deposition billet according to claim 1, it is characterized in that: upward also be provided with second external screw thread (4-1-4) on the outer wall of atomizer (4-1), second external screw thread (4-1-4) is positioned at the top of first external screw thread (4-1-3), and in the external screw thread of first external screw thread (4-1-3) footpath less than in the external screw thread of second external screw thread (4-1-4) footpath.
3. the atomizer of a kind of reaction-injection moulding high-melting-point alloy deposition billet according to claim 1 and 2 is characterized in that: the gap (H) between the outer wall of second cylinder hole (4-2-3) and shoulder hole (4-1-2) is 1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100661392A CN102126024B (en) | 2011-03-18 | 2011-03-18 | Atomizer for spray forming of high-melting-point alloy deposit billets |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100661392A CN102126024B (en) | 2011-03-18 | 2011-03-18 | Atomizer for spray forming of high-melting-point alloy deposit billets |
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| CN102126024A true CN102126024A (en) | 2011-07-20 |
| CN102126024B CN102126024B (en) | 2012-11-21 |
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| CN2011100661392A Expired - Fee Related CN102126024B (en) | 2011-03-18 | 2011-03-18 | Atomizer for spray forming of high-melting-point alloy deposit billets |
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Citations (14)
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| JPS6191303A (en) * | 1984-10-09 | 1986-05-09 | Mitsubishi Steel Mfg Co Ltd | Method for producing pulverous metallic powder and liquid sprayer for producing pulverous metallic powder |
| US4779802A (en) * | 1985-11-12 | 1988-10-25 | Osprey Metals Limited | Atomization of metals |
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| US5366206A (en) * | 1993-12-17 | 1994-11-22 | General Electric Company | Molten metal spray forming atomizer |
| US6074194A (en) * | 1992-11-30 | 2000-06-13 | Bechtel Bwxt Idaho, Llc | Spray forming system for producing molds, dies and related tooling |
| CN1321557A (en) * | 2001-04-19 | 2001-11-14 | 湖南大学 | Mobile crucible automatic controlled spray deposition blank-making method and equipment |
| US20030029622A1 (en) * | 2000-02-29 | 2003-02-13 | Torsten Clauss | Method and device for distributing liquid media |
| CN1411935A (en) * | 2001-10-15 | 2003-04-23 | 金敬美 | Spray casting method and equipment for alloy ingot-casting |
| CN1502434A (en) * | 2002-11-22 | 2004-06-09 | 中国科学院金属研究所 | Restricted scanning gas atomizing system |
| CN101024247A (en) * | 2007-03-26 | 2007-08-29 | 哈尔滨工业大学 | Mechanical swinging type atomizing liquid-leading system suitable for preparing large-size jet-diposition blank ingot |
| CN201082470Y (en) * | 2007-08-28 | 2008-07-09 | 宝山钢铁股份有限公司 | Airflow atomizing nozzle device |
| CN101327517A (en) * | 2008-06-20 | 2008-12-24 | 哈尔滨工业大学 | Automatic scanning atomizer suitable for spray forming |
| CN101885064A (en) * | 2010-06-30 | 2010-11-17 | 山西汾西重工有限责任公司 | Liquid metal spraying double-level atomizing nozzle device |
| CN201744659U (en) * | 2010-06-30 | 2011-02-16 | 山西汾西重工有限责任公司 | Two-staged atomization spray nozzle device for molten metal spray |
-
2011
- 2011-03-18 CN CN2011100661392A patent/CN102126024B/en not_active Expired - Fee Related
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6191303A (en) * | 1984-10-09 | 1986-05-09 | Mitsubishi Steel Mfg Co Ltd | Method for producing pulverous metallic powder and liquid sprayer for producing pulverous metallic powder |
| US4779802A (en) * | 1985-11-12 | 1988-10-25 | Osprey Metals Limited | Atomization of metals |
| CN1078928A (en) * | 1992-05-21 | 1993-12-01 | 中国科学院力学研究所 | Self-suction ultrasonic circular efflux atomizer |
| US6074194A (en) * | 1992-11-30 | 2000-06-13 | Bechtel Bwxt Idaho, Llc | Spray forming system for producing molds, dies and related tooling |
| US5366206A (en) * | 1993-12-17 | 1994-11-22 | General Electric Company | Molten metal spray forming atomizer |
| US20030029622A1 (en) * | 2000-02-29 | 2003-02-13 | Torsten Clauss | Method and device for distributing liquid media |
| CN1321557A (en) * | 2001-04-19 | 2001-11-14 | 湖南大学 | Mobile crucible automatic controlled spray deposition blank-making method and equipment |
| CN1411935A (en) * | 2001-10-15 | 2003-04-23 | 金敬美 | Spray casting method and equipment for alloy ingot-casting |
| CN1502434A (en) * | 2002-11-22 | 2004-06-09 | 中国科学院金属研究所 | Restricted scanning gas atomizing system |
| CN101024247A (en) * | 2007-03-26 | 2007-08-29 | 哈尔滨工业大学 | Mechanical swinging type atomizing liquid-leading system suitable for preparing large-size jet-diposition blank ingot |
| CN201082470Y (en) * | 2007-08-28 | 2008-07-09 | 宝山钢铁股份有限公司 | Airflow atomizing nozzle device |
| CN101327517A (en) * | 2008-06-20 | 2008-12-24 | 哈尔滨工业大学 | Automatic scanning atomizer suitable for spray forming |
| CN101885064A (en) * | 2010-06-30 | 2010-11-17 | 山西汾西重工有限责任公司 | Liquid metal spraying double-level atomizing nozzle device |
| CN201744659U (en) * | 2010-06-30 | 2011-02-16 | 山西汾西重工有限责任公司 | Two-staged atomization spray nozzle device for molten metal spray |
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| CN102126024B (en) | 2012-11-21 |
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