CN108580859A - The production method of magnesium alloy pipe - Google Patents
The production method of magnesium alloy pipe Download PDFInfo
- Publication number
- CN108580859A CN108580859A CN201810202431.4A CN201810202431A CN108580859A CN 108580859 A CN108580859 A CN 108580859A CN 201810202431 A CN201810202431 A CN 201810202431A CN 108580859 A CN108580859 A CN 108580859A
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- CN
- China
- Prior art keywords
- casting
- type tube
- liquid
- magnesium alloy
- stop
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D35/00—Equipment for conveying molten metal into beds or moulds
- B22D35/04—Equipment for conveying molten metal into beds or moulds into moulds, e.g. base plates, runners
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D21/00—Casting non-ferrous metals or metallic compounds so far as their metallurgical properties are of importance for the casting procedure; Selection of compositions therefor
- B22D21/02—Casting exceedingly oxidisable non-ferrous metals, e.g. in inert atmosphere
- B22D21/04—Casting aluminium or magnesium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/003—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting by using inert gases
Abstract
The invention discloses a kind of production method of magnesium alloy pipe,（1）, liquid magnesium alloy is added liquid magnesium alloy by infusion pump after half solidification cooling treatment and tumbles in packet；（2）, tumble packet in liquid magnesium alloy to casting liquid liquid bucket liquid feeding, add to liquid magnesium alloy away from bucket top 100mm when stop liquid feeding；The liquid level is remained when casting；（3）, start motor, driving type tube rotation, 300 turns/min or more of turn up；（4）, into type tube applying argon gas, when having argon gas outflow stop inflation；（5）, by cast tubes push-in type tube internal rules position, open casting and fill in capable casting；（6）, liquid magnesium alloy is when casting to type tube other side edge, stop casting；（7）, extract cast tubes, lay down fixing bolt, extract type tube, change novel cylinder, carry out next cycleoperation；（8）, after in type tube tubular casting cooling after dismantle type tube, draw off magnesium alloy tubular casting and be further processed.
Description
Technical field
The invention belongs to the field of deep of magnesium alloy, are related to the direct casting and forming of metal magnesium alloy, specially a kind of high
The production method of performance magnesium alloy pipe.
Background technology
Magnesium metal is a kind of silvery white light metal, its specific stiffness and specific strength be all higher than conventional metals iron steel alloy and
Aluminium alloy is a kind of potential new structural material for substituting steel, aluminium alloy.But plasticity ratio steel, the aluminium of magnesium and magnesium alloy
Alloy and plastics are all poor, this is all that extensive utilize of its large area brings potential negative effect.Its plasticity is improved, has improved it just
Degree and specific strength improve its mechanical property, further expand its application field.The mechanical property and plasticity for improving magnesium have many arrange
It applies, one kind is to improve it to crystallize degree of refinement, can there is the alloying element of its function by increasing in this respect；It is solidifying additionally by half
Gu, the measures such as flash set technology make its crystallization refinement, reach its mechanical property.Another kind of is that enhancing is added in its melt
The material of effect becomes the compound substance of intensity raising such as carbon fiber, aluminium nitride and boride.Applied to Aeronautics and Astronautics
Vehicles etc. have the new structural material of a variety of excellent properties.
The application of the above measure can significantly improve its mechanical property, but utilize traditional forming method, it is difficult to realize it
Purpose needs to find new forming method and realizes its function.
Since the plasticity of magnesium is poor, increasing expensive rare earth material is enhanced, and effect is good, but cost can be significantly increased,
And by adding enhancing material, using casting and molding method, magnesium alloy profiles are made, are a kind of short routes, reduce production cost
Magnesium alloy profiles processing method.
Invention content
It is an object of the present invention to provide a kind of method that new enhancing and molding mode are combined, produce cheap high performance
Lightweight Structure of magnesium alloy material, makes Magnesium Alloy Industry be increased dramatically.
The present invention adopts the following technical scheme that realization：
A kind of production method of magnesium alloy pipe, the following casting production equipment of production method application, the casting production equipment
Including two casting machine racks, each casting machine rack is located on symmetrical concrete machine block；It is fixed in each casting machine rack
One bearing is installed, casing is installed on the inside of two bearings, the casing is interior to be equipped with type tube by fixing bolt；The type tube
Side is equipped with type tube closure plate；The casing periphery is equipped with gear wheel, and the gear wheel engages with pinion gear, the pinion gear by
Motor drive；Cast tubes are stretched by the other side in the type tube, the cast tubes are connect with casting liquid liquid bucket.
Concrete technology is as follows：
（1）, liquid magnesium alloy is added liquid magnesium alloy by infusion pump after half solidification cooling treatment and tumbles in packet；
（2）, tumble packet in liquid magnesium alloy to casting liquid liquid bucket liquid feeding, add to liquid magnesium alloy away from bucket top 100mm when stop liquid feeding；
The liquid level is remained when casting；
（3）, start motor, driving type tube rotation, 300 turns/min or more of turn up；
（4）, into type tube applying argon gas, when having argon gas outflow stop inflation；
（5）, by cast tubes push-in type tube internal rules position, open casting and fill in capable casting；
（6）, liquid magnesium alloy is when casting to type tube other side edge, stop casting；
（7）, extract cast tubes, lay down fixing bolt, extract type tube, change novel cylinder, carry out next cycleoperation；
（8）, after in type tube tubular casting cooling after dismantle type tube, draw off magnesium alloy tubular casting and be further processed.
Reasonable design of the present invention, magnesium alloy use direct casting and molding method, so that its mechanical property is significantly improved, expand it
Application range.
Description of the drawings
The structural schematic diagram for production equipment of casting Fig. 1 shows magnesium alloy pipe.
In figure：1- concrete machine blocks, 2- casings, 3- type tubes, 4- magnesium alloy cast pipe fittings, 5- cast tubes, 6- type tube closure plates,
7- casting machine racks, 8- bearings, 9- gear wheels, 10- fixing bolts, 11- casting liquid liquid buckets, 12- motor, 13- pinion gears,
14- liquid magnesium alloy is tumbled packet.
Specific implementation mode
Specific embodiments of the present invention are described in detail below in conjunction with the accompanying drawings.
A kind of production method of high-performance magnesium-alloy tubing, technological process are as follows：
The above-mentioned following casting production equipment of production technology application, as shown in Figure 1, casting production equipment includes two casting machine racks
7, each casting machine rack 7 is located on symmetrical two concrete machine blocks 1；An axis is fixedly mounted in each casting machine rack 7
8 are held, two 8 insides of bearing are equipped with casing 2, and casing 2 is interior to be equipped with type tube 3 by fixing bolt 10, and fixing bolt uniformly divides
The longitudinal direction for being distributed in casing is gone back to road and is laterally returned in road, and type tube is clamped and fastened in casing by fixing bolt；3 side of type tube is equipped with
Type tube closure plate 6 flows out to prevent liquid magnesium alloy outside type tube；2 periphery of casing is equipped with gear wheel 9, and gear wheel 9 is engaged with pinion gear 13,
13 center axis connection motor of pinion gear, 12 output shaft, is driven, motor speed is adjusted by motor inverter by motor 12
Speed；Cast tubes 5 are stretched by the other side in type tube 3, cast tubes 5 are connect with casting liquid liquid bucket 11.
When casting, after type tube obtains egulation rotating speed, flowed on type tube inner wall outside liquid magnesium alloy effuser in cast tubes, it is cooling
As cast casting pipe.
Concrete technology is as follows：
（1）, liquid magnesium alloy is through being blown into CO2After carrying out half solidification cooling treatment, liquid magnesium alloy is added by infusion pump and is tumbled in packet；
（2）, tumble packet in liquid magnesium alloy to casting liquid liquid bucket liquid feeding, add to liquid magnesium alloy away from bucket top 100mm when stop liquid feeding；
The liquid level is remained when casting；
（3）, start motor, driving type tube rotation, 300 turns/min or more of turn up；
（4）, into type tube applying argon gas, when having argon gas outflow stop inflation；
（5）, by cast tubes push-in type tube internal rules position, open casting and fill in capable casting；
（6）, liquid magnesium alloy is when casting to type tube other side edge, stop casting；
（7）, extract cast tubes, lay down fixing bolt, extract type tube, change novel cylinder, carry out next cycleoperation；
（8）, after in type tube tubular casting cooling after dismantle type tube, draw off magnesium alloy tubular casting and be further processed.
When it is implemented, type tube diameter can determine that type tube length is also according to need according to product requirement and installation enabled condition
To be permitted can be sized with condition.
Type tube inner wall can cast Mg alloy castings tubular, groove profile, flat bar, triangular form by assembling different molds
And the magnesium alloys cast article such as cellular cage modle.In addition, type tube inner wall is closed by the way that inorganic long fiber clamping, casting magnesium is arranged
Metal/composite material casting.
Magnesium is a kind of light metal that density is small, it is 1/the 4.5 of the density of steel, one third lighter than aluminium, its ratio
Intensity be higher than steel and aluminium, since density is small, be widely used in aerospace, weaponry, engineering machinery, but his plasticity compared with
Difference, the proximate matter mechanical property for prolonging extrusion with it is poor, using being restricted, using the casting and forming of the method for the present invention, makes its power
It learns performance to be improved, and by adding inorganic long fiber, obtains composite material of magnesium alloy, expand its application range.
It should be pointed out that for the those skilled in the art of the art, without departing from the principle of the present invention,
Several improvement and application can also be made, these are improved and application is also considered as protection scope of the present invention.
Claims (1)
1. a kind of production method of magnesium alloy pipe, it is characterised in that：The following casting production equipment of production method application, it is described
Production equipment of casting includes two casting machine racks（7）, each casting machine rack（7）Positioned at symmetrical concrete machine block（1）On；
Each casting machine rack（7）One bearing of interior fixed installation（8）, two bearings（8）Inside is equipped with casing（2）, the casing
（2）Inside pass through fixing bolt（10）Type tube is installed（3）；The type tube（3）Side is equipped with type tube closure plate（6）；The casing
（2）Periphery is equipped with gear wheel（9）, the gear wheel（9）With pinion gear（13）Engagement, the pinion gear（13）By motor（12）
Driving；The type tube（3）It is interior that cast tubes are stretched by the other side（5）, the cast tubes（5）With casting liquid liquid bucket（11）Connection；
Concrete technology is as follows：
（1）, liquid magnesium alloy after half solidification cooling treatment, liquid magnesium alloy is added by infusion pump and is tumbled in packet；
（2）, tumble packet in liquid magnesium alloy to casting liquid liquid bucket liquid feeding, add to liquid magnesium alloy away from bucket top 100mm when stop liquid feeding；
The liquid level is remained when casting；
（3）, start motor, driving type tube rotation, 300 turns/min or more of turn up；
（4）, into type tube applying argon gas, when having argon gas outflow stop inflation；
（5）, by cast tubes push-in type tube internal rules position, open casting and fill in capable casting；
（6）, liquid magnesium alloy is when casting to type tube other side edge, stop casting；
（7）, extract cast tubes, lay down fixing bolt, extract type tube, change novel cylinder, carry out next cycleoperation；
（8）, after in type tube tubular casting cooling after dismantle type tube, draw off magnesium alloy tubular casting and be further processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810202431.4A CN108580859A (en) | 2018-03-13 | 2018-03-13 | The production method of magnesium alloy pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810202431.4A CN108580859A (en) | 2018-03-13 | 2018-03-13 | The production method of magnesium alloy pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108580859A true CN108580859A (en) | 2018-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810202431.4A Pending CN108580859A (en) | 2018-03-13 | 2018-03-13 | The production method of magnesium alloy pipe |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1057544A (en) * | 1990-06-18 | 1992-01-01 | 赫彻斯特股份公司 | Make the method and the equipment thereof of tubular mold product with high temperature superconducting materia |
| CN102601338A (en) * | 2012-03-21 | 2012-07-25 | 重庆大学 | Method for producing large magnesium alloy ring by means of centrifugal casting |
| CN204321135U (en) * | 2014-10-21 | 2015-05-13 | 中国石油大学(华东) | A kind of use for laboratory magnesium alloy centrifugal casting equipment |
| CN106862515A (en) * | 2017-03-29 | 2017-06-20 | 沈阳工业大学 | The preparation facilities and method of a kind of major diameter light-alloy pipe long |
-
2018
- 2018-03-13 CN CN201810202431.4A patent/CN108580859A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1057544A (en) * | 1990-06-18 | 1992-01-01 | 赫彻斯特股份公司 | Make the method and the equipment thereof of tubular mold product with high temperature superconducting materia |
| CN102601338A (en) * | 2012-03-21 | 2012-07-25 | 重庆大学 | Method for producing large magnesium alloy ring by means of centrifugal casting |
| CN204321135U (en) * | 2014-10-21 | 2015-05-13 | 中国石油大学(华东) | A kind of use for laboratory magnesium alloy centrifugal casting equipment |
| CN106862515A (en) * | 2017-03-29 | 2017-06-20 | 沈阳工业大学 | The preparation facilities and method of a kind of major diameter light-alloy pipe long |
Non-Patent Citations (3)
| Title |
|---|
| 丁根宝: "《铸造工艺学 上》", 30 June 1985, 机械工业出版社 * |
| 刘静安，谢水生，马志新: "《简明镁合金材料手册》", 31 August 2016, 冶金工业出版社 * |
| 王操: "离心铸造与轧制制备AZ91镁合金板材成型工艺研究", 《中国优秀硕士学位论文全文数据库（电子期刊）》 * |
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Address after: 043800 Shanxi city in Yuncheng province Xin Village Wenxi County town of Ao Di Applicant after: Shanxi Baosheng Yuanhua New Material Co.,Ltd. Applicant after: Zhu Guangdong Address before: 043800 Shanxi city in Yuncheng province Xin Village Wenxi County town of Ao Di Applicant before: WENXI YUANHUA METALLURGICAL MATERIALS Co.,Ltd. Applicant before: Zhu Guangdong |
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Application publication date: 20180928 |