CN110340316A - A kind of preparation method and device of easy segregation-alloy pipe - Google Patents
A kind of preparation method and device of easy segregation-alloy pipe Download PDFInfo
- Publication number
- CN110340316A CN110340316A CN201910624785.2A CN201910624785A CN110340316A CN 110340316 A CN110340316 A CN 110340316A CN 201910624785 A CN201910624785 A CN 201910624785A CN 110340316 A CN110340316 A CN 110340316A
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- China
- Prior art keywords
- alloy
- crucible
- induction heating
- shell
- segregation
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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
- B22D11/001—Continuous casting of metals, i.e. casting in indefinite lengths of specific alloys
- B22D11/003—Aluminium alloys
-
- 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
- B22D11/006—Continuous casting of metals, i.e. casting in indefinite lengths of tubes
-
- 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
- B22D11/0401—Moulds provided with a feed head
-
- 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
- B22D11/0406—Moulds with special profile
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
- B22D11/041—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds for vertical casting
-
- 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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Abstract
The present invention provides the preparation methods and device of a kind of easy segregation-alloy pipe, including, crucible shell, intermediate frequency induction heating device, induction heating apparatus；The left upper end of the crucible shell is equipped with feed inlet；The upper right side of the crucible shell is equipped with inert gas inlet port；The crucible shell is equipped with demarcation plate；The upper end two sides of the demarcation plate are arranged in the intermediate frequency induction heating device；The two sides of the lower end of the demarcation plate are arranged in the induction heating apparatus.By the way that alloy melting and die casting are combined as a whole, simplify the production technology of compo pipe, reduce production cost, solves the segregation behavior in alloy graining process, obtain that crystal grain is tiny, uniform alloy interior tissue, the mechanical strength and plasticity for improving alloy tube wall ensure that the production efficiency and properties of product of compo pipe.
Description
Technical field
The present invention relates to easy segregation-alloy technical field of material, and in particular to a kind of preparation side of easy segregation-alloy pipe
Method and device.
Background technique
In the preparation process of alloy material, since matrix alloy is as common alloy, by selective freezing speed and
Crystallization rate is greater than the influence of solutes accumulation speed, and it is inclined inevitably to generate uneven chemical components phenomenon-in the base
Analysis, segregation behavior can make in alloy structure process of setting element occur being enriched with or dilution phenomenon, so that alloying component changes,
And then as-cast structure is influenced, the mechanical property of alloy material is substantially reduced, is that one of influence alloy material product is very important
Aspect.
Currently, commercialized alloy pipe preparation method predominantly casts and squeezes.By taking aluminium alloy as an example, aluminium alloy has
Higher specific strength and specific stiffness, good plasticity and thermal conductivity, are widely used in aerospace, machine-building, vehicle ship
In oceangoing ship and electronic product.However, due to the limitation of extrusion equipment, in product and can be produced in the production technology of aluminium-alloy pipe
Connector is generated between product, limits the length of aluminum pipe finished product, in addition, the casting rod as made by aluminium alloy melt can be inevitable
Generation is mingled with and stomata, leads to problems such as to generate stress concentration during the drawing process, meanwhile, production technology complexity and production efficiency
Lowly, higher cost, aluminium-alloy pipe surface quality obtained is lower, due to the segregation behavior of interior tissue, so that aluminium-alloy pipe
Material has the defects of shrinkage cavity is loose, leverages the performances such as mechanical strength, the plasticity of aluminium alloy pipe product, is unable to satisfy work
Industry needs.
Summary of the invention
To solve the above problems, the present invention provides the preparation methods and device of a kind of easy segregation-alloy pipe.Improve work
Efficiency guarantees the quality of the aluminium-alloy pipe in production process.
To realize the technical purpose, the technical scheme is that a kind of preparation method of easy segregation-alloy pipe, special
Sign is, comprising the following steps:
S1: alloy powder will be obtained through powder by atomization after the alloy raw material melting being easily segregated；
S2: it is placed in the first segment crucible heating cavities of device through alloy powder made from step S1 by feed inlet, in utilization
Alloy powder is heated to 500~600 DEG C by frequency induction heating apparatus, softens it sufficiently；
S3: opening crucible bottom partition, and the alloy melt for obtaining step S2 flows slowly into crucible interior；
S4: being heated to 700~750 DEG C for the alloy melt flowed down using induction heating apparatus, be completely melt it for alloy it is molten
Liquid simultaneously slowly flows down along inner cavity；
S5: alloy solution handles to obtain the compo pipe of thin-walled segregation-free through traction device and cooling device in crucible bottom outlet
Part.
The invention has the advantages that alloy melting and die casting are combined as a whole, the production of compo pipe is simplified
Technique reduces production cost, solves the segregation behavior in alloy graining process, obtain crystal grain is tiny, in uniform alloy
Portion's tissue, improves the mechanical strength and plasticity of alloy tube wall, ensure that the production efficiency and properties of product of compo pipe.
In a preferred embodiment of the invention, it on the basis of foregoing teachings, is closed described in the step S2
Gold heating melting is segmentally heating.
Further, in the step S4 during second of alloy melting, crucible interior diameter successively successively decreases from top to bottom.
A kind of preparation facilities of easy segregation-alloy pipe characterized by comprising crucible shell, intermediate frequency induction heating device,
Induction heating apparatus；
The left upper end of the crucible shell is equipped with feed inlet；The upper right side of the crucible shell is equipped with inert gas inlet port；Institute
Crucible shell is stated equipped with partition；The upper end two sides of the partition are arranged in the intermediate frequency induction heating device；The induction adds
The two sides of the lower end of the partition are arranged in thermal.
Further, crucible heating cavities, crucible interior are equipped in the crucible shell；The diameter of the crucible interior from
Top to bottm tapers off.
Further, the lower end of the crucible shell is exported equipped with compo pipe；The lower end of the crucible shell is equipped with traction
Device and water cooling plant.
Detailed description of the invention
Fig. 1 is a kind of preparation facilities figure of easy segregation-alloy pipe of the present invention.
1, crucible shell；2, intermediate frequency induction heating device；3, induction heating apparatus；4, feed inlet；5, inert gas enters
Mouthful；6, partition；7, crucible heating cavities；8, crucible interior；9, compo pipe exports；10, traction device；11, water cooling plant.
Specific embodiment
Technical solution of the present invention will be clearly and completely described below.
To solve the above problems, the present invention provides the preparation methods and device of a kind of easy segregation-alloy pipe.Improve work
Efficiency guarantees the quality of the aluminium-alloy pipe in production process.
To realize the technical purpose, the technical scheme is that a kind of preparation method of easy segregation-alloy pipe, special
Sign is, comprising the following steps:
S1: alloy powder will be obtained through powder by atomization after the alloy raw material melting being easily segregated；
S2: it is placed in the first segment crucible heating cavities 7 of device, is utilized by feed inlet 4 through alloy powder made from step S1
Alloy powder is heated to 500~600 DEG C by intermediate frequency induction heating device 2, softens it sufficiently；
S3: opening crucible bottom partition 6, and the alloy melt for obtaining step S2 flows slowly into crucible interior 8；
S4: being heated to 700~750 DEG C for the alloy melt flowed down using induction heating apparatus 3, be completely melt it for alloy it is molten
Liquid simultaneously slowly flows down along inner cavity；
S5: alloy solution exports in crucible bottom and obtains the alloy of thin-walled segregation-free through traction device 10 and the processing of cooling device 11
Pipe fitting.
The invention has the advantages that alloy melting and die casting are combined as a whole, the production of compo pipe is simplified
Technique reduces production cost, solves the segregation behavior in alloy graining process, obtain crystal grain is tiny, in uniform alloy
Portion's tissue, improves the mechanical strength and plasticity of alloy tube wall, ensure that the production efficiency and properties of product of compo pipe.
In a preferred embodiment of the invention, it on the basis of foregoing teachings, is closed described in the step S2
Gold heating melting is segmentally heating.
Further, in the step S4 during second of alloy melting, 8 diameter of crucible interior is successively passed from top to bottom
Subtract.
A kind of preparation facilities of easy segregation-alloy pipe characterized by comprising crucible shell 1, intermediate frequency induction heating device
2, induction heating apparatus 3；
The left upper end of the crucible shell 1 is equipped with feed inlet 4；The upper right side of the crucible shell 1 is equipped with inert gas inlet port
5；The crucible shell 1 is equipped with partition 6；The upper end two sides of the partition 6 are arranged in the intermediate frequency induction heating device 2；Institute
State the two sides that the lower end of the partition 6 is arranged in induction heating apparatus 3.
Further, crucible heating cavities 7, crucible interior 8 are equipped in the crucible shell 1；The crucible interior 8 it is straight
Diameter tapers off from top to bottom.
Further, the lower end of the crucible shell 1 is equipped with compo pipe outlet 9；The lower end of the crucible shell 1 is equipped with and leads
Leading-in device 10 and water cooling plant 11.
In actual operation, alloy powder will be obtained through powder by atomization after the alloy raw material melting being easily segregated first, then
Entered inside crucible shell 1 by the feed inlet 4 of 1 upper end of crucible shell, alloy powder is placed in the first of device by feed inlet 4
In section crucible heating cavities 7, alloy powder is heated to 500~600 DEG C using intermediate frequency induction heating device 2, keeps it sufficiently soft
Change, then open crucible bottom partition 6, flow slowly into the alloy melt after heating and softening in crucible interior 8, recycles and utilize sense
It answers heating device 3 that the alloy melt flowed down is heated to 700 ~ 750 DEG C, is completely melt it for alloy solution and slow along inner cavity
It flows down, final alloy solution obtains thin-walled through traction device 10 and the processing of water cooling plant 11 in the compo pipe outlet 9 of crucible bottom
The alloy pipe fitting of segregation-free.
For those of ordinary skill in the art, without departing from the concept of the premise of the invention, it can also do
Several modifications and improvements out, these are all within the scope of protection of the present invention.
Claims (6)
1. a kind of preparation method of easy segregation-alloy pipe, which comprises the following steps:
S1: alloy powder will be obtained through powder by atomization after the alloy raw material melting being easily segregated；
S2: it is placed in the first segment crucible heating cavities of device through alloy powder made from step S1 by feed inlet, in utilization
Alloy powder is heated to 500~600 DEG C by frequency induction heating apparatus, softens it sufficiently；
S3: opening crucible bottom partition, and the alloy melt for obtaining step S2 flows slowly into crucible interior；
S4: being heated to 700~750 DEG C for the alloy melt flowed down using induction heating apparatus, be completely melt it for alloy it is molten
Liquid simultaneously slowly flows down along inner cavity；
S5: alloy solution handles to obtain the compo pipe of thin-walled segregation-free through traction device and cooling device in crucible bottom outlet
Part.
2. the preparation method of easy segregation-alloy pipe according to claim 1, which is characterized in that closed described in the step S2
Gold heating melting is segmentally heating.
3. the preparation method of easy segregation-alloy pipe according to claim 1, which is characterized in that second in the step S4
During alloy melting, crucible interior diameter successively successively decreases from top to bottom.
4. a kind of preparation facilities of easy segregation-alloy pipe characterized by comprising crucible shell, intermediate frequency induction heating device, sense
Answer heating device；
The left upper end of the crucible shell is equipped with feed inlet；The upper right side of the crucible shell is equipped with inert gas inlet port；Institute
Crucible shell is stated equipped with partition；The upper end two sides of the partition are arranged in the intermediate frequency induction heating device；The induction adds
The two sides of the lower end of the partition are arranged in thermal.
5. the preparation facilities of easy segregation-alloy pipe according to claim 4, it is characterised in that: be equipped with earthenware in the crucible shell
Crucible heating cavities, crucible interior；The diameter of the crucible interior tapers off from top to bottom.
6. the preparation facilities of easy segregation-alloy pipe according to claim 4, it is characterised in that: the lower end of the crucible shell is set
There is compo pipe outlet；The lower end of the crucible shell is equipped with traction device and water cooling plant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910624785.2A CN110340316A (en) | 2019-07-11 | 2019-07-11 | A kind of preparation method and device of easy segregation-alloy pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910624785.2A CN110340316A (en) | 2019-07-11 | 2019-07-11 | A kind of preparation method and device of easy segregation-alloy pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110340316A true CN110340316A (en) | 2019-10-18 |
Family
ID=68175856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910624785.2A Pending CN110340316A (en) | 2019-07-11 | 2019-07-11 | A kind of preparation method and device of easy segregation-alloy pipe |
Country Status (1)
| Country | Link |
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| CN (1) | CN110340316A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3752215A (en) * | 1970-11-12 | 1973-08-14 | Mitsubishi Heavy Ind Ltd | Continuous casting apparatus for shaped metal bodies |
| GB1500327A (en) * | 1976-08-18 | 1978-02-08 | Ass Elect Ind | Production of tubular ingots |
| US4531569A (en) * | 1982-03-04 | 1985-07-30 | Deutsche Forschungs-Und Versuchsantalt Fur Luft- Und Raumfahrt E.V. | Process and apparatus for producing tubes of reactive metals |
| JPH01210151A (en) * | 1988-02-16 | 1989-08-23 | O C C:Kk | Production of fin tube |
| CN1087419A (en) * | 1992-11-26 | 1994-06-01 | 株式会社日立制作所 | METAL HEATING PROCESS and method of smelting and apparatus for melting metal |
| JPH08229924A (en) * | 1995-02-27 | 1996-09-10 | Sumitomo Sitix Corp | Manufacture of electrically conductive pipe |
| CN1236684A (en) * | 1998-05-26 | 1999-12-01 | 北京科技大学 | Apparatus for smelting-solidifying technology |
| CN1317382A (en) * | 2001-03-30 | 2001-10-17 | 广东工业大学 | Conticasting technology and equipment for producing thin-wall metal tube |
| JP2003136222A (en) * | 2001-11-06 | 2003-05-14 | Mitsubishi Materials Corp | METHOD FOR MANUFACTURING Ni-BASE SUPERALLOY INGOT COMPOSED OF LITTLE COMPONENT SEGREGATION AND UNIFORMLY FINE CRYSTAL GRAIN |
| CN102211161A (en) * | 2011-05-27 | 2011-10-12 | 青岛理工大学 | Method and device for improving quality of continuous casting large-caliber hollow metal tube blank |
| CN202973878U (en) * | 2012-11-29 | 2013-06-05 | 涂国坚 | Vacuum furnace for high temperature alloy material manufacturing device |
| CN203443342U (en) * | 2013-07-24 | 2014-02-19 | 张崇鑫 | Die casting machine matched with zinc smelting furnace using bio-particles |
-
2019
- 2019-07-11 CN CN201910624785.2A patent/CN110340316A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3752215A (en) * | 1970-11-12 | 1973-08-14 | Mitsubishi Heavy Ind Ltd | Continuous casting apparatus for shaped metal bodies |
| GB1500327A (en) * | 1976-08-18 | 1978-02-08 | Ass Elect Ind | Production of tubular ingots |
| US4531569A (en) * | 1982-03-04 | 1985-07-30 | Deutsche Forschungs-Und Versuchsantalt Fur Luft- Und Raumfahrt E.V. | Process and apparatus for producing tubes of reactive metals |
| JPH01210151A (en) * | 1988-02-16 | 1989-08-23 | O C C:Kk | Production of fin tube |
| CN1087419A (en) * | 1992-11-26 | 1994-06-01 | 株式会社日立制作所 | METAL HEATING PROCESS and method of smelting and apparatus for melting metal |
| JPH08229924A (en) * | 1995-02-27 | 1996-09-10 | Sumitomo Sitix Corp | Manufacture of electrically conductive pipe |
| CN1236684A (en) * | 1998-05-26 | 1999-12-01 | 北京科技大学 | Apparatus for smelting-solidifying technology |
| CN1317382A (en) * | 2001-03-30 | 2001-10-17 | 广东工业大学 | Conticasting technology and equipment for producing thin-wall metal tube |
| JP2003136222A (en) * | 2001-11-06 | 2003-05-14 | Mitsubishi Materials Corp | METHOD FOR MANUFACTURING Ni-BASE SUPERALLOY INGOT COMPOSED OF LITTLE COMPONENT SEGREGATION AND UNIFORMLY FINE CRYSTAL GRAIN |
| CN102211161A (en) * | 2011-05-27 | 2011-10-12 | 青岛理工大学 | Method and device for improving quality of continuous casting large-caliber hollow metal tube blank |
| CN202973878U (en) * | 2012-11-29 | 2013-06-05 | 涂国坚 | Vacuum furnace for high temperature alloy material manufacturing device |
| CN203443342U (en) * | 2013-07-24 | 2014-02-19 | 张崇鑫 | Die casting machine matched with zinc smelting furnace using bio-particles |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191018 |
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| RJ01 | Rejection of invention patent application after publication |