CN107774943A - A kind of aluminium alloy cast ingot hot-top multi casting device - Google Patents
A kind of aluminium alloy cast ingot hot-top multi casting device Download PDFInfo
- Publication number
- CN107774943A CN107774943A CN201610732200.5A CN201610732200A CN107774943A CN 107774943 A CN107774943 A CN 107774943A CN 201610732200 A CN201610732200 A CN 201610732200A CN 107774943 A CN107774943 A CN 107774943A
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- China
- Prior art keywords
- aluminium alloy
- hot
- graphite annulus
- alloy cast
- cast ingot
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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
- B22D11/14—Plants for continuous casting
- B22D11/141—Plants for continuous casting for vertical casting
Abstract
The invention discloses a kind of aluminium alloy cast ingot hot-top multi casting device, including graphite annulus, dummy bar head and crystallizer body, the physical dimension of graphite annulus：Highly it is 40mm 50mm, thickness is 5mm 10mm；The physical dimension of crystallizer body：Effective depth is 90mm 105mm, and cooling water angle of water is 20 ° 30 °, and cooling water outlet water orifice diameter is 3mm 4mm, and cooling water water outlet centre-to-centre spacing is 5mm 7mm；The physical dimension of dummy bar head：Ball arc radius is 650mm 750mm, and a diameter of 300mm 400mm of bottom platform, base depth is 40mm 60mm.Wiper and fine aluminium shop fixtures can not had to, and do not have to full-automatic foundry engieering Foundry Production aluminium alloy, it is time saving and energy saving, and save casting cost；Production shaping qualification rate and processability can be improved simultaneously.
Description
Technical field
The present invention relates to heat to push up casting technology field, more particularly to a kind of aluminium alloy cast ingot hot-top multi casting device.
Background technology
In recent years, with the development of science and technology, to the quality requirement more and more higher of aluminium product.
7075 aluminium alloys are a kind of cold treatment forging and stamping alloys, and intensity is high, outclass mild steel, be commercial most strength alloy it
One.The common corrosion resistance of 7075 aluminium alloys, good mechanical performance and anode reaction.Small grains cause deep drilling
Can be more preferable, instrument wearability strengthens, and rolled thread is more unusual.It is mainly used in aerospace industries, blow molding die, ultrasonic wave
The industries such as plastic welding mould, mould processing.
The casting method of aluminium alloy is mainly that hot direct casting is made.On crystallizer inner sleeve top to openend, inlaying one can drop
A low cooling effect, ingot casting and die wall friction are reduced, have the graphite cannula of good action to improving ingotism.Glue in the above
Alumina silicate fiber felt of the patch with good pliability, forms liquid metals heat-insulation layer.Crystallizer top has one with insulation material
Manufactured hot top, make open melt portion all the time in " hot tap ".But domestic is that fine aluminium shop fixtures and bottom pouring type crystallize
Device foundry engieering produces, and makes production process complicated.
Therefore, how to solve the problems, such as ingot casting production process complexity, be that the technology that those skilled in the art need to solve is asked
Topic.
The content of the invention
It is an object of the invention to provide a kind of aluminium alloy cast ingot hot-top multi casting device, production work can be efficiently reduced
Skill process.
To solve the above problems, the present invention provides a kind of aluminium alloy cast ingot hot-top multi casting device, including graphite annulus, draw
The head of ingot and crystallizer body, the physical dimension of the graphite annulus：Highly it is 40mm-50mm, thickness 5mm-10mm；The crystallization
The physical dimension of device body：Effective depth is 90mm-105mm, and cooling water angle of water is 20 ° -30 °, cooling water outlet water orifice diameter
For 3mm-4mm, cooling water water outlet centre-to-centre spacing is 5mm-7mm；The physical dimension of the dummy bar head：Ball arc radius is 650mm-
750mm, a diameter of 300mm-400mm of bottom platform, base depth are 40mm-60mm.
Preferably, the height of the hot top of the aluminium alloy cast ingot hot-top multi casting device is 180mm-290mm.
Preferably, in addition to for reducing it is located at the temperature difference of the aluminium liquid of the hot top and the aluminium liquid positioned at the graphite annulus
Transition rings, the transition rings are arranged between the hot top and the graphite annulus.
Preferably, the transition rings are ceramic adapter ring, and the wall thickness of the ceramic adapter ring is more than the wall of the graphite annulus
It is thick.
Preferably, the inwall of the ceramic adapter ring protrudes the inwall 5mm-10mm of the graphite annulus.
Relative to above-mentioned background technology, aluminium alloy cast ingot hot-top multi casting device provided by the present invention includes graphite
The physical dimension of ring, dummy bar head and crystallizer body, wherein graphite annulus：Highly it is 40mm-50mm, thickness 5mm-10mm；
The physical dimension of crystallizer body：Effective depth is 90mm-105mm, and cooling water angle of water is 20 ° -30 °, cooling water
Outlet water orifice diameter is 3mm-4mm, and cooling water water outlet centre-to-centre spacing is 5mm-7mm；The physical dimension of dummy bar head：Ball arc radius is 650mm-
750mm, a diameter of 300mm-400mm of bottom platform, base depth are 40mm-60mm.
It is 730 °C -750 °C that fusion temperature is strictly controlled during alloy melting, and casting process includes shop fixtures, plays car
With three steps of ingot casting.Wherein shop fixtures is：Hot top of the control into aluminium alloy cast ingot hot-top multi casting device（1）Aluminium liquid
Temperature uninterruptedly spreads false bottom, while slag hitting at 680 ° -690 ° for stream, and control filling time is in 120s-150s；Playing car is：Rise
Vehicle speed 14mm/min-16mm/min, play car cooling water pressure and increase to 0.005mpa-0.006mpa；Ingot casting is：Mule carriage is extremely
After 500mm-600mm, gradually speed-raising to 17mm/min-19mm/min, cooling water pressure accordingly increases to 0.007mpa-
0.008mpa。
This device can not have to wiper and fine aluminium shop fixtures, and not have to full-automatic foundry engieering, it is possible to Cast aluminium alloy
Gold, process simplification, improve production efficiency.
Brief description of the drawings
Fig. 1 is the structural representation of aluminium alloy cast ingot hot-top multi casting device provided by the present invention.
In Fig. 1：Hot top -1, graphite annulus -2, dummy bar head -3, ceramic adapter ring -4, crystallizer body -5, water jacket -6.
Embodiment
The core of the present invention is to provide a kind of aluminium alloy cast ingot hot-top multi casting device, to reduce production process.
In order that those skilled in the art more fully understand the present invention program, below in conjunction with the embodiment of the present invention
Accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described.
Fig. 1 is refer to, Fig. 1 is the structural representation of aluminium alloy cast ingot hot-top multi casting device provided by the present invention.
The present invention provides a kind of aluminium alloy cast ingot hot-top multi casting device, including water jacket 6, crystallizer body 5, hot top
1st, graphite annulus 2, dummy bar head 3 and dummy ingot head bracket.Hot top 1, graphite annulus 2 are arranged on crystallizer body 5 from top to bottom.Ingot casting leads to
Graphite annulus 2 is crossed once to cool down and the shaping of the apopore water outlet secondary cooling of crystallizer body 5.
The wherein physical dimension of graphite annulus 2：Highly it is 40mm-50mm, stone thickness is 5mm-10mm；Crystallizer body 5
Physical dimension：Effective depth is 90mm-105mm, and cooling water angle of water is 20 ° -30 °, and cooling water outlet water orifice diameter is 3mm-
4mm, cooling water water outlet centre-to-centre spacing are 5mm-7mm；The physical dimension of dummy bar head 3：Ball arc radius is 650mm-750mm, and bottom is put down
The a diameter of 300mm-400mm of platform, base depth are 40mm-60mm.
It is 730 °C -750 °C that fusion temperature is strictly controlled during alloy melting, and casting process includes shop fixtures, plays car
With three steps of ingot casting.Wherein shop fixtures is：Hot top of the control into aluminium alloy cast ingot hot-top multi casting device（1）Aluminium liquid
Temperature uninterruptedly spreads false bottom, while slag hitting at 680 ° -690 ° for stream, and control filling time is in 120s-150s；Playing car is：Rise
Vehicle speed 14mm/min-16mm/min, play car cooling water pressure and increase to 0.005mpa-0.006mpa；Ingot casting is：Mule carriage is extremely
After 500mm-600mm, gradually speed-raising to 17mm/min-19mm/min, cooling water pressure accordingly increases to 0.007mpa-
0.008mpa。
Relative to prior art, it is an advantage of the invention that：Without wiper and fine aluminium shop fixtures, and without full-automatic casting
Technology, it is possible to Foundry Production aluminium alloy, it is time saving and energy saving, and save casting cost；It is qualified that production shaping can be improved simultaneously
Rate and processability.
The effective depth of crystallizer body 5 refers to the contact jaw of dummy bar head 3 and graphite annulus 2 to the height on the top of graphite annulus 2
Degree.
It is of course also possible to graphite annulus 2 or the physical dimension of crystallizer body 5 or dummy bar head 3 are set to other numerical value, herein
Repeat no more.
Preferably, the height of hot top 1 is set to 180mm-290mm, is arranged such, can further improve ingot casting into
Type performance.
In a kind of embodiment, transition rings are set between hot top 1 and graphite annulus 2, made positioned at hot top 1
The temperature of aluminium liquid, the temperature of aluminium liquid positioned at transition rings and the temperature of aluminium liquid positioned at graphite annulus 2 reduce successively.
It is arranged such, when ingot casting, temperature difference can be made smaller, effectively reduce the crack tendence of ingot casting.
Transition rings can be ceramic adapter ring 4, the wall thickness of ceramic adapter ring 4 is more than the wall thickness of graphite annulus 2.Ceramic is hard
Degree is high, intensity is high, the heat endurance of chemistry is good.
Certainly, transition rings can also be graphite adapter ring, the wall thickness of graphite adapter ring is more than the wall thickness of graphite annulus 2；Or
Graphite annulus 2 is processed into cascade ring by person, to reduce temperature difference etc., is repeated no more herein.
Preferably, the wall thickness of ceramic adapter ring 4 is made to be more than 40mm, less than 50mm.
It is arranged such, the intensity of ceramic adapter ring 4 can be increased, prevent ceramic adapter ring 4 from cracking, improves ceramics and turn
Connect the service life of ring 4.
The height of ceramic adapter ring 4 can be identical with the height of graphite annulus 2, can also be different.Preferential Ceramics herein
The height of adapter ring 4 is identical with the height of graphite annulus 2.
It is arranged such, can further reduces the crack tendence of ingot casting.
It is further preferable that the inwall of ceramic adapter ring 4 is set to protrude the inwall 5mm-10mm of graphite annulus 2.
It is arranged such, can more effectively reduces temperature difference transition, further improves the qualification rate of ingot casting.Improve mouldability
Can, while improve the surface quality of ingot casting.
Certainly, the distance of the wall thickness of ceramic adapter ring 4 or protrusion graphite annulus 2 can also be set to other numerical value, herein no longer
Repeat.
The composition of aluminium alloy is Cu during ingot casting：1.5, Mg：2.6, Cr：0.22, Zn：5.7, Ti：0.015, remaining is aluminium ingot,
Wherein, Ti is added for aluminum alloy melting process, and Si≤0.20, Fe ﹥ Si+0.12, Mn≤0.25 are added before step shop fixtures.
It is arranged such, the processability of ingot casting can be improved, further improves house production shaping qualification rate.
Aluminium alloy cast ingot hot-top multi casting device provided by the present invention is described in detail above.Herein should
The principle and embodiment of the present invention are set forth with specific case, the explanation of above example is only intended to help and managed
Solve the method and its core concept of the present invention.It should be pointed out that for those skilled in the art, do not departing from
On the premise of the principle of the invention, some improvement and modification can also be carried out to the present invention, these are improved and modification also falls into this hair
In bright scope of the claims.
Claims (5)
1. a kind of aluminium alloy cast ingot hot-top multi casting device, including graphite annulus（2）, dummy bar head（3）With crystallizer body（5）,
Characterized in that, the graphite annulus（2）Physical dimension：Highly it is 40mm-50mm, thickness 5mm-10mm；The knot
Brilliant device body（5）Physical dimension：Effective depth is 90mm-105mm, and cooling water angle of water is 20 ° -30 °, cooling water water outlet
Aperture is 3mm-4mm, and cooling water water outlet centre-to-centre spacing is 5mm-7mm；The dummy bar head（3）Physical dimension：Ball arc radius is
650mm-750mm, a diameter of 300mm-400mm of bottom platform, base depth are 40mm-60mm.
2. aluminium alloy cast ingot hot-top multi casting device according to claim 1, it is characterised in that the aluminium alloy cast ingot
The hot top of hot-top multi casting device（1）Height be 180mm-290mm.
3. aluminium alloy cast ingot hot-top multi casting device according to claim 2, it is characterised in that also include being used to reduce
The transition rings of the temperature difference of aluminium liquid positioned at the hot top and the aluminium liquid positioned at the graphite annulus, the transition rings are arranged on described
Hot top（1）With the graphite annulus（2）Between.
4. aluminium alloy cast ingot hot-top multi casting device according to claim 3, it is characterised in that the transition rings are pottery
Porcelain adapter ring（4）, the ceramic adapter ring（4）Wall thickness be more than the graphite annulus（2）Wall thickness.
5. aluminium alloy cast ingot hot-top multi casting device according to claim 4, it is characterised in that the ceramic adapter ring
（4）Inwall protrude the graphite annulus（2）Inwall 5mm-10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610732200.5A CN107774943A (en) | 2016-08-26 | 2016-08-26 | A kind of aluminium alloy cast ingot hot-top multi casting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610732200.5A CN107774943A (en) | 2016-08-26 | 2016-08-26 | A kind of aluminium alloy cast ingot hot-top multi casting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107774943A true CN107774943A (en) | 2018-03-09 |
Family
ID=61439306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610732200.5A Pending CN107774943A (en) | 2016-08-26 | 2016-08-26 | A kind of aluminium alloy cast ingot hot-top multi casting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115365468A (en) * | 2022-07-22 | 2022-11-22 | 有研金属复材技术有限公司 | Semi-continuous casting system and casting method for ingot casting |
-
2016
- 2016-08-26 CN CN201610732200.5A patent/CN107774943A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115365468A (en) * | 2022-07-22 | 2022-11-22 | 有研金属复材技术有限公司 | Semi-continuous casting system and casting method for ingot casting |
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Application publication date: 20180309 |