CN105127381B - A kind of temperature control type metal casting device - Google Patents
A kind of temperature control type metal casting device Download PDFInfo
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- CN105127381B CN105127381B CN201510697144.1A CN201510697144A CN105127381B CN 105127381 B CN105127381 B CN 105127381B CN 201510697144 A CN201510697144 A CN 201510697144A CN 105127381 B CN105127381 B CN 105127381B
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Abstract
The invention provides a kind of temperature control type metal casting device, including material placing device, uniforming device, stretching device, it is characterised in that：The material placing device includes crucible, crucible top cover, magnetic stirrer, mozzle；The uniforming device includes spiral type pipe, base insulating layer, cooling pipe, external insulation layer；The stretching device includes heater and haulage gear；Around the magnetic stirrer cladding material placing device；Mozzle below the upper end connection material placing device of the uniforming device；The stretching device connects the lower end of uniforming device.The temperature control type metal casting device that the present invention is provided, each composition of molten metal is well mixed, temperature field is uniform respectively, the metal casting surface gloss of preparation is high, internal structure is fine and close, grain size is homogeneous, segregation-free and crackle, plasticity is high, quality is high, and using the metal casting device can energy saving, Simplified flowsheet, production efficiency is high.
Description
Technical field
The present invention relates to metal casting technique field, a kind of temperature control type metal casting device is in particular, provided.
Background technology
Metal casting is, into meeting necessarily required liquid and pouring enter in casting mold, through cooled and solidified, to level Metal Melting
The technical process of the casting of predetermined shape, size and performance is obtained after treatment.It has very important in the production of metal
Status.With being continuously increased for metal material species and product variety, the quick expansion of application field, and new and high technology
Fast development and the increasingly raising of people's living standard, the world faces the present situation of environmental degradation, resource and energy shortage, to metal
The requirement more and more higher of the energy-saving of casting process, short route, high efficiency, low cost and slab quality.
The casting mold that current metal casting is used mainly has cooling casting mold (referred to as " cold mould "), heated mold (referred to as " hot
Type ") and two-phase section casting mold.Using cooling casting mold more than extensive industrialization, i.e., carried out by force by applying recirculated water to casting mold surrounding
Refrigeration is but so that mold temperature is far below below the solidus temperature of metal, and metal bath is first under the chilling effect of casting mold
Solidification, and gradually to central growth, finally obtains the microstructure from casting billet surface toward core and is respectively tiny equiax crystal, vertically
In the column crystal and the strand of thick equiax crystal on surface.This technique easily forms dendritic crystal, produces segregation, shrinkage cavity and loose etc.
Defect, influences casting quality.Heated mold is to carry out pressure cooling to frozen metal in casting mold near exit, in frozen metal
The high-temperature gradient along throwing direction is set up between non-solidified melt, it is possessed directional solidification condition, so as to continuously obtain
The endless strand of continuous columnar or single crystal organization with unidirectional solidification.Any surface finish can be obtained using hot-mold continuous cast method
Spend, with continuous columnar, but energy consumption is big, low production efficiency.Sub-liquidus casting method is in metal by mold temperature control
Solid-liquid two-phase region temperature range in, and pressure cooling is carried out to frozen metal in two-phase section casting mold near exit, cast
Base.The movable excellent strand of technique energy, but the cast form of simple metal and eutectic alloy is cannot be used for, and there is casting mold heating
Temperature is high, energy consumption is big, casting speed can not too fast etc. deficiency.It can be seen that, develop a kind of energy saving, production efficiency and lumber recovery high
Casting Equipment and casting method, improve metal strand surface smoothness, interior solid degree, tool is of great significance.
Chinese patent 201210434167.X provides a kind of metal casting device, what described metal casting device had
Crucible and mold are provided with casting room；Casting room is the structure of the swingable certain angle under drive device effect；Positioned at molten
The crucible and mold for casting interior swing certain angle with casting room；Make molten metal during being swung with casting room by earthenware
The storage that crucible flows into mold is stayed in chamber；Casting room is passed through pressed gas by the air admission hole (25) of spindle central, will flow into mold storage
Stay the molten metal in chamber to be pressed into the casting molding cavity (10) of mold, form casting.The prior art is solved poured into a mould
Relative movement problem in journey between each part, it is to avoid starting the arc phenomenon in the prior art in casting process, but without solution
Certainly how efficiently, energy-conservation produce that lustrous surface is good, dense structure casting this technical problem.
Chinese patent 201310140939.3 provides a kind of warm type casting method, it is characterized by：Casting mold passes through heater
Heated, or using the heat casting mold of the metal bath conduction entered before casting mold, mold temperature is maintained at low
In metal solidus temperature and higher than cooling mold temperature in the range of；The cooler set by casting mold near exit is to gold
Category carries out pressure cooling；Metal strand is drawn with haulage gear.Although being cast there is provided the warm type in the prior art
The device of method, but temperature of the device with periphery in the middle of metal liquid in casting process is different, causes grain size not
, the intensity of casting is eventually influenceed.It can be seen that, the technology is also without thoroughly solving the problems, such as metal casting quality.
The content of the invention
To overcome present in prior art, high energy consumption in casting, cast-internal tissue be fine and close, grain size is uneven
Deng problem, the invention provides a kind of temperature control type metal casting device, the device provided using the present invention casts out the gold for coming
Category cast(ing) surface glossiness is high, internal structure is fine and close, grain size is homogeneous, plasticity is high, quality is high.
The technical scheme is that：A kind of temperature control type metal casting device, including material placing device, uniforming device, drawing
Stretch device, it is characterised in that：The material placing device includes crucible, crucible top cover, magnetic stirrer, mozzle；The homogenization
Device includes spiral type pipe, base insulating layer, cooling pipe, external insulation layer；The stretching device include heater and
Haulage gear；Around the magnetic stirrer cladding material placing device；Under the upper end connection material placing device of the uniforming device
The mozzle of side；The stretching device connects the lower end of uniforming device.
Further, the material placing device also includes heat conductive rod, and the lower end of the heat conductive rod is Surface of Sphere, and the heat conductive rod is erected
Straight cutting is in the center of crucible.
Used as optional a kind of implementation method of the invention, the heat conductive rod is graphite rod, and outside is coated with refractory material
Layer；
Used as optional a kind of implementation method of the invention, the heat conductive rod is silicon carbide rod, and outside is coated with fire proofed wood
The bed of material；
Used as optional a kind of implementation method of the invention, the heat conductive rod is refractory metal rod, such as tungsten bar, molybdenum bar, iridium
Rod etc., is coated with refractory masses, such as alumina fibre cloth outside metal bar；The metal bar inside is hollow structure.Institute
The centre for stating metal bar is provided with dividing plate, and the inner hollow pipeline of metal bar is divided into two parts by dividing plate, and the two parts for separating lead to
Road is only connected at the ball end of metal bar lower end, high-speed circulating water is passed through from a hemichannel of hollow pipeline, from another hemichannel
Outflow；
Or, the metal bar is bilayer sleeve, outer layer sleeve is refractory metal pipe, and inner layer sleeve can be other low melting points
Metal tube, such as steel pipe, copper pipe, inner layer metal pipe outer wall are fixedly linked with outer layer metal inside pipe wall with three supports, three branch
Frame is mutually 120 degree of angles, and inside and outside layer metal tube is only connected at the ball end of metal tube lower end, be passed through from inner layer metal pipeline
High-speed circulating water, flows out from outer layer metal pipeline.
Further, the heater coats the first half of haulage gear, and the heater uses electromagnetic induction heating.
Further, the uniforming device has slanted angle with horizontal plane, and angle is 15-45 degree, preferably 30 degree.
Further, the spiral type pipe inwall of the uniforming device is provided with spiral lamination, makes its pipeline for helical duct, its
Helical duct can be single coil configuration, or many helical structures, such as double-spiral structure, triple-helix structure etc..
Further, the crucible of the material placing device, crucible top cover are calcium oxide material or magnesia material.
Further, the base insulating layer is ceramic alumina fiber layer；The external insulation layer is refractory material.
Compared with prior art, the beneficial effects of the invention are as follows：
(1) the temperature control type metal casting device that the present invention is provided, the metal casting surface gloss of preparation is high, internal structure
Densification, homogeneous grain size, segregation-free and crackle and, plasticity is high, quality is high, and energy saving, Simplified flowsheet, production
Efficiency high.
(2) the temperature control type metal casting device that the present invention is provided, almost can apply to all of metal casting shaping, such as
Simple metal, alloy (such as aluminium alloy, copper alloy, titanium alloy, magnesium alloy), can be used not only for the shaping of metal casting, and
The products such as metal wire rod, bar, band, tubing, sheet material can be produced.
(3) the temperature control type metal casting device that the present invention is provided, using electromagnetic agitation so that the molten metal in crucible is each
Composition is well mixed, and upper and lower uniform distribution of temperature field can improve the homogenization of metal casting crystal grain.
(4) the temperature control type metal casting device that the present invention is provided, heat conductive rod, Ke Yijia are devised in the central area of crucible
Radiating inside strong metal liquation, improves the degree of thermo parameters method, more using the refinement of metal grain.
(5) the temperature control type metal casting device that the present invention is provided, the inside of uniforming device uses helical pipe, is conducive to
Metal liquid inside produces strong turbulent flow, so as to avoid the formation of laminar flow, further up to the purpose of crystal grain thinning, and realizes
Temperature field and the homogenization into branch are distributed.
(6) the temperature control type metal casting device that the present invention is provided, heater is provided with the top of haulage gear, can be
Metal casting is set to be in the temperature range of optimal plasticity when being drawn, it is to avoid micro-crack occur inside during traction and influence casting
Overall performance.
Brief description of the drawings
Fig. 1 is the structural representation of temperature control type metal casting device of the invention；
Fig. 2 is the structural representation of the heat conductive rod of the temperature control type metal casting device of inventive embodiments 3；
Fig. 3 is the schematic cross-section of the heat conductive rod of the temperature control type metal casting device of inventive embodiments 3；
Fig. 4 is the structural representation of the heat conductive rod of the temperature control type metal casting device of inventive embodiments 4；
Fig. 5 is the schematic cross-section of the heat conductive rod of the temperature control type metal casting device of inventive embodiments 4；
Description of reference numerals in Fig. 1：
Material placing device 100, uniforming device 200, stretching device 300；Crucible 1, crucible top cover 2, magnetic stirrer 3, lead
Hot pin 4, metal liquid 5, mozzle 6, spiral type pipe 7, base insulating layer 8, cooling pipe 9, external insulation layer 10, heating dress
Put 11, haulage gear 12；
Description of reference numerals in Fig. 2-5：
Arrow represents flow direction, × fluid approach axis are represented, represent fluid out direction.
Specific embodiment
Below in conjunction with drawings and Examples, the present invention will be described in further detail.It should be appreciated that described herein
Specific embodiment is only used to explain the present invention, is not intended to limit the present invention.
Embodiment 1
As shown in figure 1, a kind of temperature control type metal casting device, including material placing device 100, uniforming device 200, stretching dress
Put 300；Wherein, material placing device 100 includes crucible 1, crucible top cover 2, magnetic stirrer 3, mozzle 6；Uniforming device 200 is wrapped
Include spiral type pipe 7, base insulating layer 8, cooling pipe 9, external insulation layer 10；Stretching device 200 includes the He of heater 11
Haulage gear 12；Around the cladding material placing device of magnetic stirrer 3.Additionally, material placing device 100, uniforming device 200, stretching
The annexation of device 300 is：The mozzle 6 of the lower section of upper end connection material placing device 100 of uniforming device 200, stretching device
The lower end of 300 connection uniforming devices 200.
The material placing device 100 of above-mentioned temperature control type metal casting device can also include heat conductive rod 4, and the lower end of heat conductive rod 4 is
Surface of Sphere, its center for inserting in crucible 2 vertically.In the present embodiment, heat conductive rod 4 is graphite rod, and outside coats fire resisting
Material layer.
Heater 11 coats the first half of haulage gear 12, and the heater 11 uses electromagnetic induction heating.
Uniforming device 200 and horizontal plane have slanted angle, and angle is 15-45 degree, be specifically as follows 15,20,25,
30th, 40,45 etc..The inwall of spiral type pipe 7 of uniforming device 200 is provided with spiral lamination, makes its pipeline for helical duct, its spiral
Passage can be single coil configuration.Crucible 1, crucible top cover 2 are calcium oxide material or magnesia material.Base insulating layer 8 is oxygen
Change aluminium ceramic fiber layer, external insulation layer 10 is refractory material.
The temperature control type metal casting device that the present invention is provided, the metal casting surface gloss of preparation is high, internal structure is caused
Close, grain size is homogeneous, segregation-free and crackle and, plasticity is high, quality is high, and energy saving, Simplified flowsheet, production effect
Rate is high.
Embodiment 2
With reference to Fig. 1, a kind of temperature control type metal casting device, including material placing device 100, uniforming device 200, stretching device
300；Wherein, material placing device 100 includes crucible 1, crucible top cover 2, magnetic stirrer 3, mozzle 6；Uniforming device 200 includes
Spiral type pipe 7, base insulating layer 8, cooling pipe 9, external insulation layer 10；Stretching device 200 includes heater 11 and leads
Draw mechanism 12；Around the cladding material placing device of magnetic stirrer 3.Additionally, material placing device 100, uniforming device 200, stretching dress
The annexation for putting 300 is：The mozzle 6 of the lower section of upper end connection material placing device 100 of uniforming device 200, stretching device 300
Connect the lower end of uniforming device 200.The material placing device 100 of the temperature control type metal casting device also includes heat conductive rod 4, heat conductive rod
4 lower end is Surface of Sphere, its center for inserting in crucible 2 vertically.Heat conductive rod 4 is silicon carbide rod, and outside coats fire proofed wood
The bed of material.
The spiral type pipe 7 of uniforming device 200 is double-spiral structure.
Miscellaneous part 26S Proteasome Structure and Function is with embodiment 1.
The temperature control type metal casting device that the present invention is provided, almost can apply to all of metal casting shaping, such as pure
Metal, alloy (such as aluminium alloy, copper alloy, titanium alloy, magnesium alloy), can be used not only for the shaping of metal casting, Er Qieneng
The products such as production metal wire rod, bar, band, tubing, sheet material.
Embodiment 3
With reference to Fig. 1, a kind of temperature control type metal casting device, including material placing device 100, uniforming device 200, stretching device
300；Wherein, material placing device 100 includes crucible 1, crucible top cover 2, magnetic stirrer 3, mozzle 6；Uniforming device 200 includes
Spiral type pipe 7, base insulating layer 8, cooling pipe 9, external insulation layer 10；Stretching device 200 includes heater 11 and leads
Draw mechanism 12；Around the cladding material placing device of magnetic stirrer 3.Additionally, material placing device 100, uniforming device 200, stretching dress
The annexation for putting 300 is：The mozzle 6 of the lower section of upper end connection material placing device 100 of uniforming device 200, stretching device 300
Connect the lower end of uniforming device 200.The material placing device 100 of the temperature control type metal casting device also includes heat conductive rod 4, heat conductive rod
4 lower end is Surface of Sphere, its center for inserting in crucible 2 vertically.The spiral type pipe 7 of uniforming device 200 is double helix
Structure.
It is with place of the difference of example 1：
Heat conductive rod 4 is refractory metal rod, such as tungsten bar, molybdenum bar, iridium rod, and the outside of heat conductive rod 4 coats refractory masses, such as
Alumina fibre cloth；The inside of heat conductive rod 4 is hollow structure, and as shown in Figure 2 and Figure 3, centre is provided with dividing plate, and dividing plate is by inner hollow
Pipeline is divided into two parts, and two parts passage for separating only is connected at the ball end of metal bar lower end, from the half of hollow pipeline
Passage is passed through high-speed circulating water, from the outflow of another hemichannel.
Miscellaneous part 26S Proteasome Structure and Function is with embodiment 1.
The temperature control type metal casting device that the present invention is provided, using electromagnetic agitation so that molten metal in crucible it is each into
Divide well mixed, upper and lower uniform distribution of temperature field can improve the homogenization of metal casting crystal grain.And, at the center of crucible
Region devises heat conductive rod, can strengthen the radiating inside molten metal, improves the degree of thermo parameters method, more brilliant using metal
The refinement of grain.
Embodiment 4
With reference to Fig. 1, a kind of temperature control type metal casting device, including material placing device 100, uniforming device 200, stretching device
300；Wherein, material placing device 100 includes crucible 1, crucible top cover 2, magnetic stirrer 3, mozzle 6；Uniforming device 200 includes
Spiral type pipe 7, base insulating layer 8, cooling pipe 9, external insulation layer 10；Stretching device 200 includes heater 11 and leads
Draw mechanism 12；Around the cladding material placing device of magnetic stirrer 3.Additionally, material placing device 100, uniforming device 200, stretching dress
The annexation for putting 300 is：The mozzle 6 of the lower section of upper end connection material placing device 100 of uniforming device 200, stretching device 300
Connect the lower end of uniforming device 200.The material placing device 100 of the temperature control type metal casting device also includes heat conductive rod 4, heat conductive rod
4 lower end is Surface of Sphere, its center for inserting in crucible 2 vertically.The spiral type pipe 7 of uniforming device 200 is double helix
Structure.
It is with place of the difference of example 1：
Heat conductive rod 4 is refractory metal rod, such as tungsten bar, molybdenum bar, iridium rod, and the outside of heat conductive rod 4 is coated by refractory masses,
Such as alumina fibre cloth；As schemed, 4, shown in Fig. 5,4 points of heat conductive rod is internal and external double-layer, and outer layer sleeve is refractory metal, interior
Layer sleeve pipe can be other low-melting-point metal pipes, such as steel pipe, copper pipe, and inner layer metal pipe outer wall passes through three with outer layer metal inside pipe wall
Individual support is fixedly linked, and three supports are mutually 120 degree of angles, and inside and outside layer metal tube is only connected at the ball end of metal tube lower end,
High-speed circulating water is passed through from inner layer metal pipeline, is flowed out from outer layer metal pipeline.
Miscellaneous part 26S Proteasome Structure and Function is with embodiment 1.
The temperature control type metal casting device that the present invention is provided, the inside of uniforming device uses helical pipe, is conducive to gold
Category liquid internal produces strong turbulent flow, so as to avoid the formation of laminar flow, further up to the purpose of crystal grain thinning, and realizes temperature
Degree field and the homogenization into branch are distributed.And, the top of haulage gear being provided with heater, can make when being drawn
Metal casting is in the temperature range of optimal plasticity, it is to avoid micro-crack occurs inside during traction and influences the overall performance of casting.
Described above has shown and described the preferred embodiments of the present invention, as previously described, it should be understood that not office of the invention
Be limited to form disclosed herein, be not to be taken as the exclusion to other embodiment, and can be used for various other combinations, modification and
Environment, and can be changed by the technology or knowledge of above-mentioned teaching or association area in invention contemplated scope described herein
It is dynamic.And the change and change that those skilled in the art are carried out do not depart from the spirit and scope of the present invention, then all should be appended by the present invention
In scope of the claims.
Claims (8)
1. a kind of temperature control type metal casting device, including material placing device (100), uniforming device (200), stretching device (300),
It is characterized in that：The material placing device (100) includes crucible (1), crucible top cover (2), magnetic stirrer (3), mozzle (6)；
The uniforming device (200) includes spiral type pipe (7), base insulating layer (8), cooling pipe (9), external insulation layer
(10)；The stretching device (200) includes heater (11) and haulage gear (12)；Magnetic stirrer (3) cladding is contained
Around material device (100)；The upper end of the uniforming device (200) connects the mozzle (6) below material placing device (100)；
The lower end of the stretching device (300) connection uniforming device (200)；The material placing device (100) also includes heat conductive rod (4),
The lower end of the heat conductive rod (4) is Surface of Sphere, and the heat conductive rod (4) inserts in the center of crucible (2) vertically；The homogenization
Device (200) has slanted angle with horizontal plane, and the angle is 15-45 degree.
2. a kind of temperature control type metal casting device according to right 1, it is characterised in that：The heat conductive rod (4) is graphite rod,
And outside cladding refractory masses.
3. a kind of temperature control type metal casting device according to right 1, it is characterised in that：The heat conductive rod (4) is carborundum
Rod, and outside cladding refractory masses.
4. a kind of temperature control type metal casting device according to right 1, it is characterised in that：The heat conductive rod (4) is high-melting-point
Metal bar, inside is hollow structure, is connected with recirculated water；Metal bar outside cladding refractory masses.
5. a kind of temperature control type metal casting device according to claim 1, it is characterised in that：Heater (11) bag
The first half of haulage gear (12) is covered, the heater (11) uses electromagnetic induction heating.
6. a kind of temperature control type metal casting device according to claim 1, it is characterised in that：The spiral type pipe (7)
It is single coil configuration or double-spiral structure or triple-helix structure.
7. a kind of temperature control type metal casting device according to claim 1, it is characterised in that：The crucible (1), crucible top
Lid (2) is calcium oxide material or magnesia material.
8. a kind of temperature control type metal casting device according to claim 1, it is characterised in that：The base insulating layer (8)
It is ceramic alumina fiber layer；External insulation layer (10) is refractory material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510697144.1A CN105127381B (en) | 2015-08-21 | 2015-10-23 | A kind of temperature control type metal casting device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2015105181652 | 2015-08-21 | ||
| CN201510518165 | 2015-08-21 | ||
| CN201510697144.1A CN105127381B (en) | 2015-08-21 | 2015-10-23 | A kind of temperature control type metal casting device |
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| Publication Number | Publication Date |
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| CN105127381A CN105127381A (en) | 2015-12-09 |
| CN105127381B true CN105127381B (en) | 2017-06-06 |
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| CN201510697144.1A Active CN105127381B (en) | 2015-08-21 | 2015-10-23 | A kind of temperature control type metal casting device |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2618706Y (en) * | 2003-01-29 | 2004-06-02 | 武汉钢铁(集团)公司 | Rotary crystallizer submersed nozzle |
| US20100192727A1 (en) * | 2005-02-10 | 2010-08-05 | Graham Rex Withers | Apparatus and method for mixing, agitating and transporting molten or semi-solid metal-matrix composite materials |
| CN201220269Y (en) * | 2008-07-02 | 2009-04-15 | 成都豪能科技股份有限公司 | Crystallizer for casting |
| AT508822B1 (en) * | 2009-09-29 | 2013-11-15 | Siemens Vai Metals Tech Gmbh | COZIL FOR THE FORMING OF METALLIC MELT TO A METAL STRIP WITH CIRCULAR OR POLYGONAL CROSS SECTION IN A CONTINUOUS CASTING MACHINE |
| CN202861351U (en) * | 2012-10-08 | 2013-04-10 | 中国长江航运集团电机厂 | Rhombic tooth type electromagnetic stirrer |
| CN205074504U (en) * | 2015-08-21 | 2016-03-09 | 江苏华威铜业有限公司 | Control by temperature change type metal founding device |
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