CN102836988A - Aluminium alloy casting device - Google Patents
Aluminium alloy casting device Download PDFInfo
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- CN102836988A CN102836988A CN201210353531XA CN201210353531A CN102836988A CN 102836988 A CN102836988 A CN 102836988A CN 201210353531X A CN201210353531X A CN 201210353531XA CN 201210353531 A CN201210353531 A CN 201210353531A CN 102836988 A CN102836988 A CN 102836988A
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Abstract
The invention provides an aluminium alloy casting device. High-temperature atmospheric furnace heating electric resistance wires surround a high-temperature atmospheric furnace body; a crucible is arranged in the high-temperature atmospheric furnace body with the opening upward; aluminum or aluminium alloy is arranged in the crucible; one end of a stalk is introduced into the bottom of the crucible from the opening of the high-temperature atmospheric furnace body; the other end of the stalk is in air-tight seamless connection with the upper end of a cavity via a valve; stalk heating resistance wires surround the part of the stalk, which is out of the high-temperature atmospheric furnace body; the lower end of the cavity is in air-tight seamless connection with a vacuum pump via a second valve; and a first valve and the second valve are both lower than the bottom of the crucible. According to the aluminium alloy casting device disclosed by the invention, the stable casting of aluminium alloy melting liquid is realized, and temperature and pressure do not need to be strictly controlled. In addition, the casting device has the advantages of simple structure and convenient working process and operation technology. Due to the fact that the aluminium alloy casting device is free from a furnace pressure control and regulation device, the low cost and quick casting of the aluminium alloy can be realized without carrying out complex pressure regulation.
Description
Technical field
The present invention relates to the metal casting machine technical field, the pressure differential of especially utilizing siphon principle to produce realizes aluminium and aluminium alloy is convenient, the device of low-cost casting.
Background technology
Patent [ZL 201010154633.X aluminum casting sand mo(u)ld process for low pressure casting and forming] discloses a kind of casting technique of aluminium alloy, is aluminum alloy low-pressure casting process comparatively commonly used at present.There is following shortcoming in this technology: pressure regulation method is complicated, the casting cost is high.This arts demand carries out comprehensive, tight management to temperature, pressure, and through continuous adjusting furnace pressure control device, to realize casting cycle control, its operating process pressure regulation method is complicated, and casting cycle is long, and productivity is poor, causes casting the corresponding increase of cost.
Summary of the invention
The invention provides a kind of device that utilizes siphon principle to realize the quiet pouring aluminium alloy; This device has been inherited the advantage of conventional low casting technique equipment, can realize aluminium alloy at short period, certain pressure effect lower charging type, solidify, obtain dense structure, foundry goods that mechanical property is high; This apparatus structure is simple simultaneously; Need not pressure regulation, only need to produce the siphon pressure differential, just can realize quick, the low-cost casting of aluminium alloy.
The technical solution adopted for the present invention to solve the technical problems is: a kind of aluminium alloy casting device comprises high temperature atmosphere furnace body, high temperature atmosphere stove resistive heater, crucible, stalk, stalk resistive heater, valve one, die cavity, valve two and vavuum pump.High temperature atmosphere furnace body periphery is around high temperature atmosphere stove resistive heater; Mouth of pot places the high temperature atmosphere furnace body up; Place aluminum or aluminum alloy in the crucible; One end of stalk feeds crucible bottom from the oral area of high temperature atmosphere furnace body, and the other end is airtight seamless the connection through the valve one and the upper end of die cavity, and the part of stalk outside the high temperature atmosphere furnace body is around the stalk resistive heater; The lower end of die cavity is through valve two and airtight seamless connection of vavuum pump, and the position of the position of valve one and valve two all is lower than crucible bottom.
The invention has the beneficial effects as follows: through vavuum pump to the disposable vacuum pumping of die cavity; Make and form pressure differential between the molten aluminium alloy top air and die cavity in the crucible; Induce the generation siphonage; Make molten aluminium alloy steadily rise, evenly inject die cavity then, realized the quiet pouring of molten aluminium alloy along stalk.Whole process need not strict control to temperature and pressure, and casting device is simple in structure, and course of work operating procedure is easy, does not have furnace pressure control and regulation device, need not to carry out complicated pressure regulation, just can realize the low cost of aluminium alloy, casting fast.
Description of drawings
Fig. 1 is a structural representation of the present invention,
Among the figure, 1-high temperature atmosphere furnace body, 2-high temperature atmosphere stove resistive heater, 3-crucible, 4-molten aluminium alloy, 5-stalk, 6-stalk resistive heater, 7-valve one, 8-die cavity, 9-valve two, 10-vavuum pump.
The specific embodiment
Aluminium alloy casting device provided by the invention comprises high temperature atmosphere furnace body, high temperature atmosphere stove resistive heater, crucible, stalk, stalk resistive heater, valve one, die cavity, valve two and vavuum pump.High temperature atmosphere furnace body periphery is around high temperature atmosphere stove resistive heater; Mouth of pot places the high temperature atmosphere furnace body up; Place aluminum or aluminum alloy in the crucible; One end of stalk feeds crucible bottom from the oral area of high temperature atmosphere furnace body, and the other end is airtight seamless the connection through the valve one and the upper end of die cavity, and the part of stalk outside the high temperature atmosphere furnace body is around the stalk resistive heater; The lower end of die cavity is through valve two and airtight seamless connection of vavuum pump, and the position of the position of valve one and valve two all is lower than crucible bottom.The present invention utilizes siphon principle to realize the aluminium alloy casting device of quiet pouring, realizes convenient, low-cost, the casting fast of aluminium alloy.
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
With reference to Fig. 1, aluminium alloy batching is packed in the crucible 3, place high temperature atmosphere furnace body 1 middle part, high temperature atmosphere stove resistive heater 2 heating furnace temperature are to melting temperature, and the fusing of aluminium alloy batching forms molten aluminium alloy 4; Regulate stalk 5 positions, stalk 5 one ends place the molten aluminium alloy 4 near crucible 3 bottoms; Valve-off 1, stalk resistive heater 6 begin heating synchronously, are warming up to the aluminium alloy melting temperature and keep constant temperature; Open valve 29, vacuumize by 10 pairs of die cavities 8 of vavuum pump, after vacuum reaches requirement, valve-off 9; Open valve 7; The air of taking out vacuum in stalk 5 air and the die cavity 8 mixes the back and forms pressure differential with external atmosphere pressure; Molten aluminium alloy 4 in the crucible 3 rises along stalk 5; Under the siphon principle effect, molten aluminium alloy 4 steadily arrives die cavity 8 along stalk 5 continuously subsequently, and molten aluminium alloy 4 is cast die cavity 8 evenly; When molten aluminium alloy 4 solidified to inlet in die cavity 8, the molten aluminium alloy in the crucible 3 no longer rose along stalk 5, and die cavity 8 is accomplished cast, valve-off 7.Thereby realize easy, the quick casting of aluminium alloy.
Embodiment 1:
The present invention selects for use metal shell and insulation asbestos material to make high temperature atmosphere furnace body 1, lays the crucible 3 of corundum material in the high temperature atmosphere furnace body 1.6063 aluminium alloys batchings is added in the crucible 3 heat temperature raising to 660 ℃.It is the corundum ceramic pipe of 1cm that stalk 5 adopts caliber; Stalk 5 soaks the molten aluminium alloy that places top position, crucible 3 bottom towards an end of 3 mouthfuls in crucible; Less than 3cm, the other end of stalk 5 adopts airtight seamless the connection through the ceramic valve 1 and the upper end of die cavity 8 to the horizontal component that makes stalk 5 simultaneously apart from molten aluminium alloy 4 liquid levels distance.The lower end of die cavity 8 is through ceramic valve 29 and 10 airtight seamless connections of vavuum pump; Carry out vacuum pumping through 10 pairs of airtight die cavities of vavuum pump 8; The vacuum of die cavity 8 reaches 0.2 atmospheric pressure, and valve-off 29 is opened valve 1; Pressure differential is induced the generation siphonage, makes molten aluminium alloy 4 steadily inject die cavity 8 through stalk.Thereby realize convenient, low-cost, the casting fast of 6063 aluminium alloys.
Embodiment 2:
The present invention selects for use metal shell and insulation asbestos material to make high temperature atmosphere furnace body 1, lays the crucible 3 of corundum material in the high temperature atmosphere furnace body 1.7075 aluminium alloys batchings is added in the crucible 3 heat temperature raising to 670 ℃.It is the corundum ceramic pipe of 1.5cm that stalk 5 adopts caliber; Stalk 5 soaks the molten aluminium alloy that places top position, crucible 3 bottom towards an end of 3 mouthfuls in crucible; Less than 2cm, the other end of stalk 5 adopts airtight seamless the connection through the ceramic valve 1 and the upper end of die cavity 8 to the horizontal component that makes stalk 5 simultaneously apart from molten aluminium alloy 4 liquid levels distance.The lower end of die cavity 8 is through ceramic valve 29 and 10 airtight seamless connections of vavuum pump; Carry out vacuum pumping through 10 pairs of airtight die cavities of vavuum pump 8; The vacuum of die cavity 8 reaches 0.4 atmospheric pressure, and valve-off 29 is opened valve 1; Pressure differential is induced the generation siphonage, makes molten aluminium alloy 4 steadily inject die cavity 8 through stalk.Thereby realize convenient, low-cost, the casting fast of 7075 aluminium alloys.
Claims (1)
1. aluminium alloy casting device; Comprise high temperature atmosphere furnace body, high temperature atmosphere stove resistive heater, crucible, stalk, stalk resistive heater, valve one, die cavity, valve two and vavuum pump; It is characterized in that: high temperature atmosphere furnace body periphery is around high temperature atmosphere stove resistive heater; Mouth of pot places the high temperature atmosphere furnace body up, places aluminum or aluminum alloy in the crucible, and an end of stalk feeds crucible bottom from the oral area of high temperature atmosphere furnace body; The other end is airtight seamless the connection through the valve one and the upper end of die cavity; The part of stalk outside the high temperature atmosphere furnace body is around the stalk resistive heater, and the lower end of die cavity is through valve two and airtight seamless connection of vavuum pump, and the position of the position of valve one and valve two all is lower than crucible bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210353531XA CN102836988A (en) | 2012-09-21 | 2012-09-21 | Aluminium alloy casting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210353531XA CN102836988A (en) | 2012-09-21 | 2012-09-21 | Aluminium alloy casting device |
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| CN102836988A true CN102836988A (en) | 2012-12-26 |
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| CN201210353531XA Pending CN102836988A (en) | 2012-09-21 | 2012-09-21 | Aluminium alloy casting device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106424636A (en) * | 2016-08-29 | 2017-02-22 | 常州市蓝托金属制品有限公司 | Vacuum die casting equipment for aluminum alloy manufacturing |
| CN106424635A (en) * | 2016-08-29 | 2017-02-22 | 常州市蓝托金属制品有限公司 | Vacuum die casting process for aluminum alloy manufacturing |
| CN114195368A (en) * | 2021-12-17 | 2022-03-18 | 上海大学 | Pressure control device for preparing fused quartz product by high-temperature fusion casting method |
Citations (7)
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| EP0093528A2 (en) * | 1982-05-04 | 1983-11-09 | Alcan International Limited | Improvements in casting metals |
| JPH03165961A (en) * | 1989-08-02 | 1991-07-17 | Hitachi Metals Ltd | Method and apparatus for casting with pressurizing |
| CN101168189A (en) * | 2007-11-28 | 2008-04-30 | 李泽奇 | Vacuum differential pressure pressurization casting method and device |
| CN101480717A (en) * | 2008-12-10 | 2009-07-15 | 苏州明志铸造有限公司 | Multipurpose pouring liquid-lifting component and pouring equipment with same |
| CN102039394A (en) * | 2010-11-25 | 2011-05-04 | 西北工业大学 | Low-pressure casting liquid level suspension control method and device |
| CN201855937U (en) * | 2010-08-19 | 2011-06-08 | 西北工业大学 | Magnesium alloy double-furnace continuous low-pressure casting device |
| CN202845747U (en) * | 2012-09-21 | 2013-04-03 | 西北工业大学 | Aluminum alloy casting device |
-
2012
- 2012-09-21 CN CN201210353531XA patent/CN102836988A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0093528A2 (en) * | 1982-05-04 | 1983-11-09 | Alcan International Limited | Improvements in casting metals |
| JPH03165961A (en) * | 1989-08-02 | 1991-07-17 | Hitachi Metals Ltd | Method and apparatus for casting with pressurizing |
| CN101168189A (en) * | 2007-11-28 | 2008-04-30 | 李泽奇 | Vacuum differential pressure pressurization casting method and device |
| CN101480717A (en) * | 2008-12-10 | 2009-07-15 | 苏州明志铸造有限公司 | Multipurpose pouring liquid-lifting component and pouring equipment with same |
| CN201855937U (en) * | 2010-08-19 | 2011-06-08 | 西北工业大学 | Magnesium alloy double-furnace continuous low-pressure casting device |
| CN102039394A (en) * | 2010-11-25 | 2011-05-04 | 西北工业大学 | Low-pressure casting liquid level suspension control method and device |
| CN202845747U (en) * | 2012-09-21 | 2013-04-03 | 西北工业大学 | Aluminum alloy casting device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106424636A (en) * | 2016-08-29 | 2017-02-22 | 常州市蓝托金属制品有限公司 | Vacuum die casting equipment for aluminum alloy manufacturing |
| CN106424635A (en) * | 2016-08-29 | 2017-02-22 | 常州市蓝托金属制品有限公司 | Vacuum die casting process for aluminum alloy manufacturing |
| CN114195368A (en) * | 2021-12-17 | 2022-03-18 | 上海大学 | Pressure control device for preparing fused quartz product by high-temperature fusion casting method |
| CN114195368B (en) * | 2021-12-17 | 2024-03-19 | 上海大学 | Pressure control device for preparing fused quartz product by high-temperature fusion casting method |
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Application publication date: 20121226 |