CN203044833U - Aluminium alloy keel block hot top multi-mould casting device - Google Patents
Aluminium alloy keel block hot top multi-mould casting device Download PDFInfo
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- CN203044833U CN203044833U CN 201220735520 CN201220735520U CN203044833U CN 203044833 U CN203044833 U CN 203044833U CN 201220735520 CN201220735520 CN 201220735520 CN 201220735520 U CN201220735520 U CN 201220735520U CN 203044833 U CN203044833 U CN 203044833U
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Abstract
The utility model discloses an aluminium alloy keel block hot top multi-mould casting device. The aluminium alloy keel block hot top multi-mould casting device comprises a graphite ring, a dummy bar head and a crystallizer body. The structure size of the graphite ring is that the height of the graphite ring is 40 millimeters to 50 millimeters, and the thickness of the graphite ring is 5 millimeters to 10 millimeters. The structure size of the crystallizer body is that the effective height is 90 millimeters to 105 millimeters. The water outlet angle of cooling water is 20 degrees to 30 degrees, the hole diameter of the cooling water outlet hole is 3 millimeters to 4 millimeters, and the water outlet center distance of the cooling water is 5 millimeters to 7 millimeters. The structure size of the dummy bar head is that the radius of the ball arc is 650 millimeters to 750 millimeters, the diameter of a bottom platform is 300 millimeters to 400 millimeters, and the depth of a base is 40 millimeters to 60 millimeters. A bottom is not paved through a water scraping machine or pure aluminium, aluminium alloy is not casted and produced through a full-automatic casting technique, time and labor are saved, and the casting cost is saved. Meanwhile, the production molding percent of pass and molding performance are improved.
Description
Technical field
The utility model relates to hot direct casting technology for making field, particularly a kind of aluminium alloy cast ingot heat die cast device at most.
Background technology
In recent years, along with science and technology development, more and more higher to the quality requirement of aluminium product.
7075 aluminium alloys are a kind of cold treatment forging and pressing alloys, and the intensity height outclass mild steel, are one of the most powerful alloys of commercialization.The common corrosion resistance of 7075 aluminium alloys, favorable mechanical performance and anode reaction.Small grains makes that the deep drilling performance is better, and the instrument wearability strengthens, and the screw thread rolling is more unusual.Be mainly used in industries such as space flight and aviation industry, blow molding die, ultrasonic wave plastic welding mould, Mould Machining.
The casting method of aluminium alloy mainly is that hot direct casting is made.Cover top is inlayed one and can be reduced a cooling effect to openend in crystallizer, reduces ingot casting and die wall friction, to improving ingotism the graphite cannula of good action is arranged.Paste in the above and have good flexual alumina silicate fiber felt, formation liquid metals heat-insulation layer.There is a hot top made from the insulation material on the crystallizer top, and open melt part is in " hot tap " all the time.But domestic is that fine aluminium shop fixtures and bottom pouring type mould casting technology are produced, and makes the production process complexity.
Therefore, how solving ingot casting production process complicated problems, is those skilled in the art's technical issues that need to address.
The utility model content
The purpose of this utility model provides a kind of aluminium alloy cast ingot heat die cast device at most, can reduce production process effectively.
For addressing the above problem, the utility model provides a kind of aluminium alloy cast ingot heat die cast device at most, comprises graphite annulus, dummy bar head and crystallizer body, the physical dimension of described graphite annulus: highly be 40mm-50mm, thickness is 5mm-10mm;
Described crystallizer main body structure size: effective depth is 90mm-105mm, and the cooling water angle of water is 20 °-30 °, and cooling water water outlet aperture is 3mm-4mm, and cooling water water outlet centre-to-centre spacing is 5mm-7mm;
The physical dimension of described dummy bar head: ball arc radius is 650mm-750mm, and the bottom platform diameter is 300mm-400mm, and base is 40mm-60mm deeply.
Preferably, described aluminium alloy cast ingot heat at most the height of the hot top of die cast device be 180mm-290mm.
Preferably, comprise that also described transition rings is arranged between described hot top and the described graphite annulus be used to the transition rings of the temperature difference of the aluminium liquid that reduces to be positioned at the aluminium liquid of described hot top and to be positioned at described graphite annulus.
Preferably, described transition rings is ceramic adapter ring, and the wall thickness of described ceramic adapter ring is greater than the wall thickness of described graphite annulus.
Preferably, the inwall of described ceramic adapter ring protrudes the inwall 5mm-10mm of described graphite annulus.
With respect to the above-mentioned background technology, aluminium alloy cast ingot heat provided by the utility model die cast device at most comprises graphite annulus, dummy bar head and crystallizer body, the wherein physical dimension of graphite annulus: highly be 40mm-50mm, thickness is 5mm-10mm; Crystallizer main body structure size: effective depth is 90mm-105mm, and the cooling water angle of water is 20 °-30 °, and cooling water water outlet aperture 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 the bottom platform diameter is 300mm-400mm, and base is 40mm-60mm deeply.
Strict control fusion temperature is 730 ° of C-750 ° of C in the alloy melting process, comprises shop fixtures, cycling start and three steps of ingot casting in the casting process.Wherein shop fixtures is: control enter aluminium alloy cast ingot heat at most the temperature of aluminum liquid of the hot top of die cast device (1) at 680 °-690 °, and uninterrupted for the false end, stream shop, slag hitting simultaneously, the control filling time is at 120s-150s; Cycling start is: play vehicle speed 14mm/min-16mm/min, the cycling start cooling water pressure increases to 0.005mpa-0.006mpa; Ingot casting is: mule carriage is raised speed gradually to 17mm/min-19mm/min to 500mm-600mm, the corresponding 0.007mpa-0.008mpa that increases to of cooling water pressure.
This device can be without wiper and fine aluminium shop fixtures, and full-automatic foundry engieering, just can Birmasil, simplify technical process, and enhance productivity.
Description of drawings
Fig. 1 is the aluminium alloy cast ingot heat provided by the utility model structural representation of die cast device at most.
Among Fig. 1:
Hot top-1, graphite annulus-2, dummy bar head-3, ceramic adapter ring-4, crystallizer body-5, water jacket-6.
The specific embodiment
Core of the present utility model provides a kind of aluminium alloy cast ingot heat die cast device at most, to reduce production process.
In order to make those skilled in the art person understand the utility model scheme better, below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described.
Please refer to Fig. 1, Fig. 1 is the aluminium alloy cast ingot heat provided by the utility model structural representation of die cast device at most.
The utility model provides a kind of aluminium alloy cast ingot heat die cast device at most, comprises water jacket 6, crystallizer body 5, hot top 1, graphite annulus 2, dummy bar head 3 and dummy bar head support.Hot top 1, graphite annulus 2 are installed in crystallizer body 5 from top to bottom.Ingot casting once cools off and crystallizer body 5 apopore water outlet secondary cooling formings by graphite annulus 2.
The physical dimension of graphite annulus 2 wherein: highly be 40mm-50mm, stone thickness is 5mm-10mm; The physical dimension of crystallizer body 5: effective depth is 90mm-105mm, and the cooling water angle of water is 20 °-30 °, and cooling water water outlet aperture is 3mm-4mm, and cooling water water outlet centre-to-centre spacing is 5mm-7mm; The physical dimension of dummy bar head 3: ball arc radius is 650mm-750mm, and the bottom platform diameter is 300mm-400mm, and base is 40mm-60mm deeply.
Strict control fusion temperature is 730 ° of C-750 ° of C in the alloy melting process, comprises shop fixtures, cycling start and three steps of ingot casting in the casting process.Wherein shop fixtures is: control enter aluminium alloy cast ingot heat at most the temperature of aluminum liquid of the hot top of die cast device (1) at 680 °-690 °, and uninterrupted for the false end, stream shop, slag hitting simultaneously, the control filling time is at 120s-150s; Cycling start is: play vehicle speed 14mm/min-16mm/min, the cycling start cooling water pressure increases to 0.005mpa-0.006mpa; Ingot casting is: mule carriage is raised speed gradually to 17mm/min-19mm/min to 500mm-600mm, the corresponding 0.007mpa-0.008mpa that increases to of cooling water pressure.
With respect to prior art, the utility model has the advantages that: without wiper and fine aluminium shop fixtures, and full-automatic foundry engieering, just can the Foundry Production aluminium alloy, time saving and energy saving, and save the casting cost; Simultaneously can improve production moulding qualification rate and processability.
The effective depth of crystallizer body 5 refers to that the contact jaw of dummy bar head 3 and graphite annulus 2 is to the height on the top of graphite annulus 2.
Certainly, also the physical dimension of graphite annulus 2 or crystallizer body 5 or dummy bar head 3 can be made as other numerical value, this paper repeats no more.
Preferably, the height of hot top 1 is made as 180mm-290mm, so arranges, can further improve the processability of ingot casting.
In a kind of specific embodiment, between hot top 1 and graphite annulus 2, transition rings is set, the temperature of the aluminium liquid that is positioned at hot top 1, the temperature of aluminium liquid that is positioned at transition rings and the temperature that is positioned at the aluminium liquid of graphite annulus 2 are reduced successively.
So arrange, when ingot casting, can make temperature differ less, reduced the crackle tendentiousness of ingot casting effectively.
Transition rings can be ceramic adapter ring 4, makes the wall thickness of ceramic adapter ring 4 greater than the wall thickness of graphite annulus 2.The Heat stability is good of the hardness height of pottery, intensity height, chemistry.
Certainly, transition rings also can be the graphite adapter ring, makes the wall thickness of graphite adapter ring greater than the wall thickness of graphite annulus 2; Perhaps graphite annulus 2 is processed into cascade ring, to reduce the temperature difference etc., this paper repeats no more.
Preferably, make the wall thickness of ceramic adapter ring 4 greater than 40mm, less than 50mm.
So arrange, can increase the intensity of ceramic adapter ring 4, prevent that ceramic adapter ring 4 from cracking, and improves the service life of ceramic adapter ring 4.
The height of pottery adapter ring 4 can be identical with the height of graphite annulus 2, also can be different.Preferentially select for use the height of ceramic adapter ring 4 identical with the height of graphite annulus 2 herein.
So arrange, can further reduce the crackle tendentiousness of ingot casting.
More preferably, make the inwall 5mm-10mm of the inwall protrusion graphite annulus 2 of ceramic adapter ring 4.
So arrange, can more effectively reduce temperature difference transition, further improve the qualification rate of ingot casting.Improve processability, improve the surface quality of ingot casting simultaneously.
Certainly, the distance of the wall thickness of ceramic adapter ring 4 or protrusion graphite annulus 2 also can be made as other numerical value, and this paper repeats no more.
The composition of aluminium alloy is Cu:1.5 during ingot casting, Mg:2.6, and Cr:0.22, Zn:5.7, Ti:0.015, all the other are aluminium ingot, wherein, Ti added Si≤0.20, Fe ﹥ Si+0.12, Mn≤0.25 for the aluminum alloy melting process adds before the step shop fixtures.
So arrange, can improve the processability of ingot casting, further improve dwelling house production moulding qualification rate.
More than to aluminium alloy cast ingot heat provided by the utility model at most the die cast device be described in detail.Used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (5)
1. aluminium alloy cast ingot heat die cast device at most comprises graphite annulus (2), dummy bar head (3) and crystallizer body (5), and it is characterized in that the physical dimension of described graphite annulus (2): highly be 40mm-50mm, thickness is 5mm-10mm;
The physical dimension of described crystallizer body (5): effective depth is 90mm-105mm, and the cooling water angle of water is 20 °-30 °, and cooling water water outlet aperture is 3mm-4mm, and cooling water water outlet centre-to-centre spacing is 5mm-7mm;
The physical dimension of described dummy bar head (3): ball arc radius is 650mm-750mm, and the bottom platform diameter is 300mm-400mm, and base is 40mm-60mm deeply.
2. aluminium alloy cast ingot heat according to claim 1 die cast device at most is characterized in that the described aluminium alloy cast ingot heat height of the hot top of die cast device (1) at most is 180mm-290mm.
3. aluminium alloy cast ingot heat according to claim 2 die cast device at most, it is characterized in that, comprise that also described transition rings is arranged between described hot top (1) and the described graphite annulus (2) be used to the transition rings of the temperature difference of the aluminium liquid that reduces to be positioned at the aluminium liquid of described hot top and to be positioned at described graphite annulus.
4. aluminium alloy cast ingot heat according to claim 3 die cast device at most is characterized in that described transition rings is ceramic adapter ring (4), and the wall thickness of described ceramic adapter ring (4) is greater than the wall thickness of described graphite annulus (2).
5. aluminium alloy cast ingot heat according to claim 4 die cast device at most is characterized in that the inwall of described ceramic adapter ring (4) protrudes the inwall 5mm-10mm of described graphite annulus (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220735520 CN203044833U (en) | 2012-12-27 | 2012-12-27 | Aluminium alloy keel block hot top multi-mould casting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220735520 CN203044833U (en) | 2012-12-27 | 2012-12-27 | Aluminium alloy keel block hot top multi-mould casting device |
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| CN203044833U true CN203044833U (en) | 2013-07-10 |
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| CN 201220735520 Expired - Lifetime CN203044833U (en) | 2012-12-27 | 2012-12-27 | Aluminium alloy keel block hot top multi-mould casting device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103008581A (en) * | 2012-12-27 | 2013-04-03 | 西南铝业（集团）有限责任公司 | Hot-top and multi-mold casting process and device thereof for aluminum alloy cast ingot |
| CN104128579A (en) * | 2014-07-10 | 2014-11-05 | 广西南南铝加工有限公司 | Water wiping device for casting hard aluminum alloy |
| CN104439128A (en) * | 2014-12-31 | 2015-03-25 | 杭州中亚新材料科技有限公司 | Integral double-row-hole casting crystallizer for aluminum and aluminum alloy round ingots |
| CN105428276A (en) * | 2015-11-11 | 2016-03-23 | 中国电子科技集团公司第四十八研究所 | Indirect water cooling planetary transmission working stage |
| CN106925731A (en) * | 2017-04-25 | 2017-07-07 | 石嘴山赫磊物资有限公司 | Alloy bar production system |
| CN109465410A (en) * | 2018-12-21 | 2019-03-15 | 西南铝业（集团）有限责任公司 | A kind of production technology of high zinc wrought aluminium alloy great circle ingot casting |
| CN110125355A (en) * | 2019-05-15 | 2019-08-16 | 广东凤铝铝业有限公司 | Shop fixtures device and aluminum alloy casting technique are exempted from a kind of casting of aluminium alloy |
-
2012
- 2012-12-27 CN CN 201220735520 patent/CN203044833U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103008581A (en) * | 2012-12-27 | 2013-04-03 | 西南铝业（集团）有限责任公司 | Hot-top and multi-mold casting process and device thereof for aluminum alloy cast ingot |
| CN103008581B (en) * | 2012-12-27 | 2015-06-10 | 西南铝业（集团）有限责任公司 | Hot-top and multi-mold casting device for aluminum alloy cast ingot |
| CN104128579A (en) * | 2014-07-10 | 2014-11-05 | 广西南南铝加工有限公司 | Water wiping device for casting hard aluminum alloy |
| CN104439128A (en) * | 2014-12-31 | 2015-03-25 | 杭州中亚新材料科技有限公司 | Integral double-row-hole casting crystallizer for aluminum and aluminum alloy round ingots |
| CN105428276A (en) * | 2015-11-11 | 2016-03-23 | 中国电子科技集团公司第四十八研究所 | Indirect water cooling planetary transmission working stage |
| CN106925731A (en) * | 2017-04-25 | 2017-07-07 | 石嘴山赫磊物资有限公司 | Alloy bar production system |
| CN106925731B (en) * | 2017-04-25 | 2019-05-21 | 石嘴山赫磊物资有限公司 | Alloy bar production system |
| CN109465410A (en) * | 2018-12-21 | 2019-03-15 | 西南铝业（集团）有限责任公司 | A kind of production technology of high zinc wrought aluminium alloy great circle ingot casting |
| CN110125355A (en) * | 2019-05-15 | 2019-08-16 | 广东凤铝铝业有限公司 | Shop fixtures device and aluminum alloy casting technique are exempted from a kind of casting of aluminium alloy |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130710 |