CN107498010A - The preparation technology and device of a kind of light alloy semisolid slurry - Google Patents
The preparation technology and device of a kind of light alloy semisolid slurry Download PDFInfo
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- CN107498010A CN107498010A CN201710722450.5A CN201710722450A CN107498010A CN 107498010 A CN107498010 A CN 107498010A CN 201710722450 A CN201710722450 A CN 201710722450A CN 107498010 A CN107498010 A CN 107498010A
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- slurry
- alloy
- preparation technology
- puddler
- mixing plant
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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
- B22D1/00—Treatment of fused masses in the ladle or the supply runners before casting
- B22D1/002—Treatment with gases
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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
- B22D1/00—Treatment of fused masses in the ladle or the supply runners before casting
- B22D1/002—Treatment with gases
- B22D1/005—Injection assemblies therefor
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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
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/007—Semi-solid pressure die casting
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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
- B22D43/00—Mechanical cleaning, e.g. skimming of molten metals
- B22D43/001—Retaining slag during pouring molten metal
- B22D43/004—Retaining slag during pouring molten metal by using filtering means
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/05—Refining by treating with gases, e.g. gas flushing also refining by means of a material generating gas in situ
Abstract
The invention discloses a kind of preparation technology of light alloy semisolid slurry, the technical process is passed through processing gas into slurry while stirring, the preparation and refining of semi solid slurry are realized with ventilation parameters by the arrangement and stirring that control passage, wherein, the rotating speed of mixing plant is controlled to be not less than 800 rpms, the aperture of the passage is no more than 2mm, can effectively remove slurry hydrogen and trapped oxide.The invention also discloses a kind of device suitable for the preparation technology, the device can realize continuous slurrying and press casting procedure, production efficiency is high, meet industrial production demand, and obtained stock quality is good, die-cast product densification pore-free defect, T6 heat treatments can be also carried out to improve mechanical performance, meet higher force request.
Description
Technical field
The present invention relates to semisolid pressure casting production field, more particularly to a kind of preparation technology of light alloy semisolid slurry and
Device.
Background technology
Semi-solid forming technology is the metalworking technology of 21 century frontier nature, is rapidly developed in recent years.Semisolid
Forming technique has broken traditional dendritic solidification pattern, makes alloy structure uniform, reduces internal defect in cast, improves casting
Combination property.In semi-solid rheological extrusion process, the quality of semi solid slurry is the basis of semi-solid forming technology and closed
Key factor, the quality and cost of semi-solid casting product are directly determined, be the key of semi-solid casting.
At present, the preparation technology on semi solid slurry has a lot, such as mechanical mixing method, electromagnetic stirring method, control solidification
Method, strain activation technology, powder metallurgic method etc., but these methods are only applicable laboratory research mostly, because technology is limited, no
Actual Die Casting process can be promoted the use of, some problems in actual production be present, for example slurrying cost is too high, prepares
The difficult control of semi solid slurry solid-to-liquid ratio, globular crystal tissue ratio is small, and solids content is unstable, and preparation efficiency is low etc..
Using more for mechanical mixing method in actual production, this method pulping efficiency is high but easily volume gas and slurry be present
The problems such as material pollution, aluminium alloy is overturn in pulping device when puddler rotates at a high speed can produce oxidation and air-breathing, and the half of preparation is solid
State slurry oxide impurity content and air content can increase, using the product that the slurry die casting obtains because air content can not be consolidated greatly
Molten processing improves casting strength.Therefore, the higher thin-wall product of industrial production mechanics performance requirement is still difficult, particularly have compared with
The structural member of high force request.Research one kind is applied to industrialized production, and effectively reduction hydrogen content and oxide are mingled with
Semi solid slurry preparation technology it is significant.
The content of the invention
Present invention seek to address that problem as described above.It is an object of the invention to provide a kind of light alloy semisolid slurry system
Standby technique and device.The preparation technology effectively removes slurry hydrogen and trapped oxide in pulping process, and stock quality is good, system
The die-cast product densification pore-free defect obtained, T6 heat treatments can be carried out to improve mechanical performance, meet higher force request, expanded
Open up semisolid pressure casting products application scope.
According to an aspect of the present invention, the invention provides a kind of preparation technology of light-alloy semisolid, the preparation work
Mixing plant is is put into slurry filling container by skill, stirring liquid alloy, and is passed through processing gas to it, when aluminium alloy temperature is down to
The light alloy semisolid slurry is made in mushy stage temperature range；
Wherein, the processing gas enters aluminium alloy by the passage on mixing plant under a predetermined, described to stir
The rotating speed of mixing equipment is not less than 800 rpms, and the aperture of the passage is no more than 2mm.
Wherein, the air agitation time of the mixing plant is 8~50s.
Wherein, the flow that is passed through of the processing gas is 5~40L/min, and the predetermined pressure is 0.08~0.5MPa.
Wherein, when the aluminium alloy temperature is down in the range of T~T+T1, the light alloy semisolid slurry, wherein T is made
For light-alloy solidus temperature, T1 is 50 DEG C.
Wherein, the passage is divided into two groups of arranging systems and is arranged on the puddler of mixing plant；Wherein, first group of row
Cloth series is arranged at puddler bottom surface including 2~5 passages, and second group of arranging system is arranged at including 4~12 passages
The periphery of puddler.
Wherein, altitude range of the second group of arranging system apart from puddler bottom surface is 0~10mm.
Wherein, the aperture of the passage is 1mm, and the rotating speed of the puddler is 1000~1500 rpms.
Wherein, the light-alloy includes aluminium alloy, magnesium alloy, copper alloy or kirsite；The processing gas passes through drying
Processing, and the processing gas includes the one or more in nitrogen, helium, neon, argon gas, Krypton and xenon.
Wherein, the temperature of liquid alloy is more than liquidus temperature 30 DEG C when mixing plant is put into.
Wherein, distance of the puddler bottom surface of mixing plant apart from slurry filling container bottom is 10~20mm.
Wherein, the stirring shank diameter of mixing plant and the mass ratio of light-alloy liquid are 4~6mm:1kg.
The present invention also provides a kind of preparation facilities suitable for above-mentioned light alloy semisolid slurry preparation technology, the system
Standby device includes slurry filling container, mixing plant and gas control equipment, and the gas control equipment is connected with the mixing plant；
Wherein, the mixing plant includes puddler, and has cavity inside the puddler, the gas control equipment with it is described
Cavity is connected, and the cavity is connected with the passage.
Wherein, the preparation facilities also includes screen pack, and the slurry filling container is die casting machine soup ladle, the screen pack and institute
The slurry end of falling for stating die casting machine soup ladle is connected.
Wherein, the preparation technology of the light alloy semisolid slurry is the pulping process for continuous casting production.It is adapted to
The pulping equipment of the technique can meet continuous die casting circulation production with die casting machine coordinated operation.
Wherein, the light-alloy is aluminium alloy, and preparation technology is：Mixing plant is put into slurry filling container, stirs liquid
Aluminium alloy, and argon gas is passed through to it, mixing speed is 1000~1500 rpms, and the arrangement mode of passage is puddler bottom
Face sets 3, and apart from 6 provided circumferentially about of bottom surface 5mm, pore size control 1mm, argon pressure is 0.1~0.3MPa, argon gas
Flow is 10~20L/min, and mixing time is 15~40s, and obtained semi solid slurry temperature control is 595~605 DEG C.
Wherein, aluminium alloy semi-solid slurry preparation technology is the pulping process for continuous casting production, and liquid aluminium closes
Gold is that slurry filling container directly dips to obtain in holding furnace, and mixing plant is put into slurry filling container in pulping process, is made
After aluminium alloy semi-solid slurry, slurry is poured into melting cup of die casting machine by slurry filling container.
The present invention also provides a kind of preparation facilities suitable for the preparation technology, and the preparation facilities includes slurry filling container, stirred
Mixing equipment and gas control equipment, the gas control equipment are connected with the mixing plant；Wherein, the mixing plant includes
Puddler, and there is cavity inside the puddler, the gas control equipment is connected with the cavity, the cavity and institute
Passage is stated to be connected.
Wherein, the cavity can be completely or partially full of inside the puddler.
Wherein, the mixing plant also includes tiny blade, and the tiny blade is arranged on the outside of the puddler.
Wherein, the material of the mixing plant is graphite or mould steel.
Wherein, the preparation facilities also includes screen pack, and the slurry filling container is die casting machine soup ladle, the screen pack and institute
The slurry end of falling for stating die casting machine soup ladle is connected.
According to the preparation technology of light alloy semisolid slurry provided by the invention, processing gas is passed into mixing plant,
And it is passed through in aluminium alloy and is acted on by the puddler cavity and passage of mixing plant.The processing gas being passed through passes through stirring
Bar design and operating parameter control, in the form of tiny bubble enter aluminium alloy in, play dehydrogenation, remove the gred, cool and
Stirring action, the hydrogen in slurry is removed while semi solid slurry is prepared, and oxide strip is gone out into slurry and swum to slurry
Feed liquid face, improve the quality of semi solid slurry.
The cardinal principle of refining effect is swims principle, and hydrogen dividing potential drop is zero in the bubble of processing gas, and the hydrogen in slurry is inhaled
It is attached to enter in bubble around gas and excludes therewith, effectively purifies slurry.The principle of slurrying effect is the cooling and shearing of bubble
Effect so that arborescent structure is broken to form nucleus, and substantial amounts of nucleus suppresses growing up for crystal grain, makes the more tiny rounding of crystal grain.
In industrial production, emphasis and difficult point that the slurry that quality is good and hydrogen content is low is research is made with keeping stable and uniform.
The preparation of granular crystal semi solid slurry can be achieved by the design of technological parameter and passage by the present invention, make simultaneously
The control that is passed through of slurry process processing gas can also refined alloy liquid.Wherein the rotating speed of mixing plant is not less than 800 rpms,
The aperture of passage is no more than 2mm, and the turbulence effect of control process manufacture can realize the uniform of aluminium alloy in slurry filling container
Refining and slurrying.
Further, the predetermined pressure that control process gas is passed through is 0.08~0.5MPa, and it is 5~40L/ to be passed through flow
The problems such as min, sufficient stirring action can be achieved and acted on refining, and avoiding slurry splashing and ineffective bubble dehydrogenation.
Preferably, predetermined pressure is 0.1~0.3MPa, and it is 10~20L/min to be passed through flow, the obtained more tiny rounding of crystal grain, slurry
Expect that hydrogen content is low.
Further, the design of passage is directly related with the bubble in slurry filling container, influences semi solid slurry
Solid microstructure pattern and dehydrogenation effect and the purification uniformity.The present invention has found that passage is preferably divided into two groups by numerous studies
Arranging system is arranged on the puddler of mixing plant；Wherein, first group of arranging system is arranged at including 2~5 passages stirs
Bar bottom surface is mixed, second group of arranging system includes the periphery that 4~12 passages are arranged at puddler.Preferably, each arrangement system
The passage of row is uniformly distributed.On the one hand the tiny bubble discharged from the passage carries out cooling stirring to slurry and made
With oxide impurity and hydrogen in the principle removing aluminium alloy that on the other hand swum using gas.
Preferably, passage on the circumferential surface is set to set and puddler lower end, it is preferable that second group of arranging system
The position of setting is at 0~10mm of bottom surface position range.The arrangement mode of the passage and above-mentioned mixing speed and logical
Gas control parameter is combined, and can realize optimal stirring turbulent flow effect, is prepared that temperature stabilization, hydrogen content are low, oxidation is miscellaneous
The high high quality semi solid slurry of the few roundness of matter.
Number of air hole excessively can equally influence solid content, air content of semi solid slurry etc., it is highly preferred that in the present invention
In the preparation technology of offer, the arrangement mode of passage sets 3 for puddler bottom surface, apart from provided circumferentially about the 6 of bottom surface 5mm
It is individual.
Refining of the aperture of passage for slurry has a great influence, aperture be preferably 0.8mm, 1mm, 1.2mm, 1.4mm,
1.6mm and 1.8mm, in some embodiments preferably 1mm, and the rotating speed control of puddler is 1000~1500 rpms.
Wherein, the air agitation time of mixing plant is relevant with the density of the i.e. obtained slurry of dehydrogenation effect, and direct shadow
The production efficiency of continuous slurrying extrusion process is rung, the air agitation time is preferably controlled to 8~50s, in certain embodiments preferably
For 15~40s.
Wherein, it is related to the light-alloy liquid quality of processing to stir shank diameter, the stirring shank diameter and light-alloy of mixing plant
The mass ratio of liquid is preferably 4~6mm:1kg.For example, when light-alloy liquid quality is 5kg, from a diameter of 30mm stirring
Bar；When light-alloy quality is 8kg, from a diameter of 40mm puddler；When light-alloy also quality is 10kg, from diameter
For 40mm puddler；When light-alloy quality is 12kg, from a diameter of 53mm puddler.
Method provided by the invention is adapted to the production of the semi solid slurry of aluminium alloy, magnesium alloy, copper alloy or kirsite,
Slurry prepare before, take appropriate alloy to survey its DSC curve, i.e. differential scanning calorimetric curve, survey its phase transition process characteristic point and
Determine the solid, liquid liquidus temperature of the alloy.Pulping process provided by the invention is corresponding with the phase transition process of alloy, and by more
Secondary experiment proves, good for different alloy universalities, is highly suitable for above-mentioned four kinds of alloys.
Wherein, processing gas passes through drying process, does not contain oxygen or water etc. and is easy to the material that alloying metal reacts,
The processing gas includes the one or more in nitrogen, helium, neon, argon gas, Krypton and xenon, preferably argon gas.
Preferably, distance of the puddler bottom surface of mixing plant apart from slurry filling container bottom is 10~20mm, refines slurrying
It is better.
According to another aspect of the present invention, there is provided a kind of system suitable for above-mentioned light alloy semisolid slurry preparation technology
Standby device, compared with prior art, has the characteristics that：
The device includes slurry filling container, mixing plant and gas control equipment, and gas control equipment is connected with mixing plant,
Specifically, mixing plant includes puddler, has cavity inside the puddler, and gas control equipment is connected with cavity, cavity and
Passage is connected, and processing gas is passed through in cavity and then entered in aluminium alloy by gas control equipment, and passage aperture is set
It is calculated as being no more than 2mm, the arrangement design of passage need to meet technological requirement.
The device can with die casting machine coordinated operation, mixing plant and slurry filling container independent control, when pulping process starts
Mixing plant is put into slurry filling container, slurrying removes slurry filling container when completing, and can meet continuous die casting circulation production, system
Starch efficiency high.
The device also has the characteristics that：The cavity of puddler can be completely or partially full of inside puddler.Or the dress
The mixing plant put can also include tiny blade, and tiny blade is arranged on the outside of puddler, strengthens the stirring of pulping process
Effect.
The device also has the characteristics that：The preparation facilities also includes filter screen, and slurry filling container is the supporting soup ladle of die casting machine,
The oxide taken out of from semi solid slurry of processing gas is mixed in semi solid slurry surface when slurrying is completed, and soup ladle is by semisolid
Oxide is filtered out by screen pack when slurry pours into melting cup of die casting machine, further purifies stock quality.
The following description for embodiment is read with reference to the drawings, other property features of the invention and advantage will become clear
It is clear.
Brief description of the drawings
It is incorporated into specification and the accompanying drawing of a part for constitution instruction shows embodiments of the invention, and with
Description is used for the principle for explaining the present invention together, and in the drawings, similar reference is used to represent similar key element, under
Accompanying drawing in the description of face is some embodiments of the present invention, rather than whole embodiments, is come for those of ordinary skill in the art
Say, on the premise of not paying creative work, other accompanying drawings can be obtained according to these accompanying drawings.
Fig. 1 is shown according to a kind of device signal for preparing semi solid slurry for being applied to one embodiment of the present of invention
Figure.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.Need
Illustrate, in the case where not conflicting, the feature in embodiment and embodiment in the application can be mutually combined.
The present invention provides a kind of preparation technology of light alloy semisolid slurry, and mixing plant is put into slurry filling container, stirred
Liquid alloy is mixed, and processing gas is passed through to it, being down to mushy stage temperature range when aluminium alloy temperature is made the light-alloy half
Solid size；
Wherein, the processing gas enters aluminium alloy by the passage on mixing plant under a predetermined, described to stir
The rotating speed of mixing equipment is not less than 800 rpms, and the aperture of the passage is no more than 2mm, can be refined while slurrying
Semi solid slurry.
The preparation technology of the semi solid slurry produces available for continuous casting, and slurry filling container can be die casting machine soup ladle, system
The die-cast product obtained can carry out T6 heat treatments and improve mechanical performance.
The present invention also provides a kind of pulping device, and the preparation facilities includes slurry filling container, mixing plant and gas control and set
Standby, the gas control equipment is connected with the mixing plant；Wherein, the mixing plant includes puddler, and described stirs
Mixing inside bar has cavity, and the gas control equipment is connected with the cavity, and the cavity is connected with the passage.
A wherein specific embodiment is as shown in Figure 1：Set including the control of slurry filling container 1, mixing plant 2 and gas
Standby, gas control equipment is connected with mixing plant 2, and the batch turning end of slurry filling container is provided with filter screen 11；Wherein, mixing plant 2 wraps
Puddler 4 is included, and there is cavity inside puddler, the air inlet 3 of gas control equipment is connected with the cavity of puddler 4, empty
Chamber is connected with passage 43, and processing gas is entered in slurry by passage 43 in the form of bubble 6.Passage is divided into two groups,
It is arranged on puddler bottom surface 42 and puddler periphery 41, the aperture of passage is no more than 2mm.The device can and die casting machine
Coordinated operation, slurry filling container 1 are die casting machine soup ladle, and liquid light-alloy 5 can be directly dipped in holding furnace, after the completion of slurrying, pressure
Casting machine soup ladle pours into slurry into die-casting melting cup.
Underneath with describing the pulping process in detail by way of embodiment：
Embodiment 1
With reference to Fig. 1, embodiment 1 uses the pulping device for continuous casting, and 5kg aluminium alloy is dipped using slurry filling container
Liquid, mixing plant is put into slurry filling container, the aluminum alloy melt of 670 DEG C of stirring, and argon gas is passed through to it, control puddler rotating speed
For 900 rpms, the pressure that is passed through of argon gas is 0.15MPa, and flow 13L/min, the air agitation time is 8s, and temperature is made
For 615 DEG C of semi solid slurry.Wherein, a diameter of 30mm of puddler, puddler bottom surface are distributed 5 passages, distance stirring
Bar bottom surface 8mm 10 passages of circumference EDS maps, the aperture of passage is 0.8mm.
Embodiment 2
With reference to Fig. 1, using the pulping device for continuous casting, the aluminium that 12kg is dipped using slurry filling container is closed embodiment 2
Golden liquid, mixing plant is put into slurry filling container, the aluminum alloy melt of 670 DEG C of stirring, and argon gas is passed through to it, and control puddler turns
Speed is 1000 rpms, and the pressure that is passed through of argon gas is 0.15MPa, and flow 13L/min, the air agitation time is 10s, is made
Temperature is 610 DEG C of semi solid slurry.Wherein, a diameter of 53mm of puddler, puddler bottom surface are distributed 4 passages, distance
Puddler bottom surface 6mm 8 passages of circumference EDS maps, the aperture of passage is 1.2mm.
Embodiment 3~8
The preparation process of the reference implementation example 1,2 of 3~embodiment of embodiment 8, the aluminum alloy melt quality of preparation is 8kg, is stirred
It is 40mm to mix shank diameter, and passage aperture is 1mm, and puddler bottom surface is distributed 3, apart from puddler bottom surface 5mm circumference
EDS maps 6, but the operating parameter of each embodiment is varied from, while surveyed for the density and hydrogen content of each embodiment
Fixed, specific embodiment situation is as shown in table 1：
The different embodiment preparation technology parameters of table 1 and stock quality list
Comparative example
In order to further illustrate beneficial effects of the present invention, selection mechanical mixing method relatively conventional at present prepares semisolid
Slurry, measure the 2.26g/cm of semi solid slurry3。
Test case
The extrusion processes such as the semi solid slurry that above-described embodiment and comparative example are prepared is by vacuumizing, directional solidification
Prepare semisolid pressure casting part, sample block is high fine and close sample block after finding the solidification of embodiment vacuum, and comparative example sample block then exist it is more
Gas hole defect.
Semisolid pressure casting product made from embodiment can also carry out T6 heat treatments, i.e. solution treatment and Ageing Treatment, at heat
Product tensile strength after reason is all higher than 280MPa, and hardness is in more than HB100.
From above-mentioned test case it will be seen that using semi solid slurry quality made from preparation technology provided by the invention
More preferably, the technique is by controlling speed of agitator, mixing time, gas to be passed through the arrangement mode of pressure and flow and passage,
The semi solid slurry for preparing each circulation is temperature stabilization, the high quality slurry that density is certain, air content is low, with prior art
Compared to obvious beneficial effect.
Also, the preparation technology of the semi solid slurry produces available for continuous casting, the semi-solid products of production can enter
Row T6 heat treatments improve mechanical performance, can be used as high-strength structure part.
Descriptions above can combine implementation individually or in a variety of ways, and these variants all exist
Within protection scope of the present invention.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations.Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (10)
1. a kind of preparation technology of light alloy semisolid slurry, it is characterised in that mixing plant is put into slurry filling container, stirred
Liquid alloy, and processing gas is passed through to it, being down to mushy stage temperature range when aluminium alloy temperature is made the light-alloy half admittedly
State slurry；
Wherein, the processing gas enters aluminium alloy by the passage on mixing plant under a predetermined, and the stirring is set
Standby rotating speed is not less than 800 rpms, and the aperture of the passage is no more than 2mm.
2. the preparation technology of light alloy semisolid slurry as claimed in claim 1, it is characterised in that the mixing plant leads to
The gas agitating time is 8~50s.
3. the preparation technology of light alloy semisolid slurry as claimed in claim 1, it is characterised in that the processing gas is led to
Inbound traffics are 5~40L/min, and the predetermined pressure is 0.08~0.5MPa.
4. the preparation technology of light alloy semisolid slurry as claimed in claim 1, it is characterised in that the aluminium alloy temperature drop
When in the range of to T~T+T1, the light alloy semisolid slurry is made, wherein T is light-alloy solidus temperature, and T1 is 50 DEG C.
5. such as the preparation technology of light alloy semisolid slurry according to any one of claims 1 to 4, it is characterised in that described
Passage is divided into two groups of arranging systems and is arranged on the puddler of mixing plant；Wherein, first group of arranging system includes 2~5
Passage is arranged at puddler bottom surface, and second group of arranging system includes the periphery that 4~12 passages are arranged at puddler.
6. the preparation technology of light alloy semisolid slurry as claimed in claim 5, it is characterised in that second group of arrangement system
The altitude range of column distance puddler bottom surface is 0~10mm.
7. the preparation technology of light alloy semisolid slurry as claimed in claim 5, it is characterised in that the aperture of the passage
For 1mm, the rotating speed of the puddler is 1000~1500 rpms.
8. the preparation technology of light alloy semisolid slurry as claimed in claim 1, it is characterised in that the light-alloy includes aluminium
Alloy, magnesium alloy, copper alloy or kirsite；The processing gas passes through drying process, and the processing gas include nitrogen,
One or more in helium, neon, argon gas, Krypton and xenon.
9. a kind of preparation being applied to such as light alloy semisolid slurry preparation technology according to any one of claims 1 to 8 fills
Put, it is characterised in that the preparation facilities includes slurry filling container, mixing plant and gas control equipment, and the gas control is set
It is standby to be connected with the mixing plant；Wherein, the mixing plant includes puddler, and has cavity inside the puddler,
The gas control equipment is connected with the cavity, and the cavity is connected with the passage.
10. preparation facilities as claimed in claim 9, it is characterised in that the preparation facilities also includes screen pack, described to contain slurry
Container is die casting machine soup ladle, and the screen pack is connected with the slurry end of falling of the die casting machine soup ladle.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020119502A1 (en) * | 2018-12-14 | 2020-06-18 | 珠海市润星泰电器有限公司 | Die casting method for filtering cavity |
| CN111375739A (en) * | 2019-12-11 | 2020-07-07 | 金榀精密工业(苏州)有限公司 | Efficient controllable semi-solid die casting process |
| US20220048105A1 (en) * | 2020-08-13 | 2022-02-17 | Qingyou Han | Acoustic rotary liquid processor |
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| CN111375739B (en) * | 2019-12-11 | 2021-11-09 | 金榀精密工业(苏州)有限公司 | Efficient controllable semi-solid die casting process |
| US20220048105A1 (en) * | 2020-08-13 | 2022-02-17 | Qingyou Han | Acoustic rotary liquid processor |
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