CN202684049U - Integrated vacuum melting precise quantification pouring aluminum alloy and magnesium alloy device - Google Patents
Integrated vacuum melting precise quantification pouring aluminum alloy and magnesium alloy device Download PDFInfo
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- CN202684049U CN202684049U CN 201220322901 CN201220322901U CN202684049U CN 202684049 U CN202684049 U CN 202684049U CN 201220322901 CN201220322901 CN 201220322901 CN 201220322901 U CN201220322901 U CN 201220322901U CN 202684049 U CN202684049 U CN 202684049U
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Abstract
The utility model relates to an integrated vacuum melting precise quantification pouring aluminum alloy and magnesium alloy device. The device comprises a first melting crucible group and a second melting crucible group, wherein a through hole is arranged beside a cone-shaped through hole at the bottom of the first melting crucible group, a groove is arranged on a cone-shaped sealing block arranged on the through hole position, the through hole is connected with a infusion pipe, and the other end of the infusion pipe is communicated into the second melting crucible group through a second crucible cover. When interaction of an air pressure and a spring restoring force enables the sealing block to move downwards and upwards, an alloy infusion channel can be opened or closed. When a liquid level sensor on the second crucible cover detects that the alloy liquid level in the second crucible cover reaches the appropriate level, a nitrogen compression tube control valve is closed, and vacuum supply control valve is automatically opened, and therefore pressure in the melting crucible is quickly decreased to zero, the sealing block is moved upwards under the effect of the lower portion spring restoring force, a pouring infusion pipe channel is blocked, and quantification pouring of the alloy liquid is achieved. The integrated vacuum melting precise quantification pouring aluminum alloy and magnesium alloy device has the advantages of being precise in control, and convenient and flexible to operate.
Description
Technical field
The present invention relates to the material forming field, relate to a kind of integrated vacuum melting accurate quantification cast aluminum alloy and magnesium alloy device.
Background technology
It is light that the non-ferrous metal such as aluminium alloy, magnesium alloy has quality, and specific strength, specific modulus are large, and the advantages such as mobile and good casting property are in field extensive application prospects such as Aero-Space, automobile, electronics, communications.
Be accompanied by the develop rapidly of science and the continuous progress of technology; casting and shaping aluminium alloy and magnesium alloy member requirements at the higher level have been proposed; aluminium alloy, magnesium alloy all belong to the very active metal material of chemical property; be easy to oxidized and generation impurity; thereby cause the defectives such as foundry goods shrinkage cavity and porosity, hole obviously to increase after melting and cast, vacuum melting can greatly reduce the generation of such defective.In aluminium alloy and smelting and pouring magnesium alloy process, when increasing substantially smelting and pouring efficient, also need rationally to control watering fluence and significantly improving casting quality of alloy, cut the waste, reduce cost, reach energy-saving and emission-reduction, therefore, it is also unusually important that alloy carries out the accurate quantification cast.Melting and pouring procedure that multiple aluminium alloy, magnesium alloy are arranged at present comprise Dumpage type, electromagnetic pump formula, air pressure adding pressure type etc., though Dumpage type equipment is simple, with low cost, alloy is easily oxidized and produce impurity, and the alloy cast is difficult to realize accurately and quantitatively; Though the electromagnetic pump formula can realize quantitative pouring in the certain limit, price is higher, flow is little, efficient is lower; Though the air pressure adding pressure type can be realized quantitative pouring, the difficult control of airflow stability brings adverse effect also can for the vacuum melting of alloy and accurate quantification cast.Above common methods is merely able to satisfy general aluminium alloy and magnesium alloy smelting, cast needs, is difficult to realize fully high efficiency, the condition of high vacuum degree of alloy, melting and the cast of accurate quantification.
Find by literature search, China Patent Publication No. CN101758211A has announced a kind of electromagnetic quantitative casting method for movable probe of aluminum alloy, the method is smelting aluminium alloy at first, pour aluminium alloy into holding furnace, conductor fluid in the recycling electromagnetic pump, effect by orthogonal electric current and magnetic field, the electromagnetism motive force is acted directly on the metal liquid, make it that displacement occur and finish casting process, realize the quantitative and automatic casting of aluminium alloy, operate also more convenient, have certain new meaning and Practical significance, but the alloy melting casting process carries out separately in the method, the action required operation is more, simple and direct not, and whole process is not to carry out at confined space, and the active strong very easily oxidized generation impurity of aluminium alloy causes casting defect, also may there be vigorous oxidation if be used for the smelting and pouring magnesium alloy, burning, splash etc. dangerous, simultaneously, the quantitative pouring aluminium alloy relies on electromagnetic pump, and cost is higher, efficient is lower, awaits continuing to improve.
Find through literature search, China Patent Publication No. CN100449013C has announced a kind of magnesium alloy smelting and quantitative pouring apparatus, this device utilizes mast to drive gate and moves up and down crucible is divided into working chamber and demand chamber, and combine with the crucible bottom boss and to realize opening and closure of working chamber and demand chamber, when magnesium alloy is molten into liquid state, the working chamber will link to each other by the gap of gate with the crucible bottom boss with demand chamber, to utilize law of connected vessels to realize pouring magnesium-alloy quantitatively, have certain novelty and practical value.But in the method mast move up and down and crucible cover between for movable sealing, vacuum is not high, can sneak into foreign gas aluminium oxide alloy and magnesium alloy, produces oxidation product and causes casting defect; When gate moves down and seals with the crucible bottom boss, contact area is less, sealing is relatively poor, even demand chamber has flowed into enough magnesium alloys, if but there is difference in height in the magnesium alloy liquid pressure of working chamber and demand chamber, may still have a small amount of magnesium alloy and flow into demand chamber from the working chamber, bring adverse effect for the accurate quantification cast of magnesium alloy.
As seen, foreign gas is easily sneaked in the aluminium alloy that exists in the prior art and the smelting and pouring magnesium alloy process, causes that aluminium alloy and magnesium alloy are oxidized and produces oxidation impurities and casting defect, and cast efficient is lower, operate simple and directly not, be difficult to realize the deficiencies such as accurate quantification cast.
Summary of the invention
The technical problem that solves
For fear of the deficiencies in the prior art part, the present invention proposes a kind of integrated vacuum melting accurate quantification cast aluminum alloy and magnesium alloy device, realizes general melting and the cast of aluminium alloy, magnesium alloy.
Technical scheme
A kind of integrated vacuum melting accurate quantification cast aluminum alloy and magnesium alloy device is characterized in that comprising the first melting kettle group and the second melting kettle group; Described the first melting kettle group comprises the first melting kettle 8, the first heating furnace 7, vacuum-pumping tube and control valve 16, nitrogen forcing pipe and control valve 17, sealing block 9, jacking block 10 and spring 11; The first melting kettle 8 places the first heating furnace 7, the upper end is bolted the first crucible cover 3, and alloy refining source of the gas 1, escape pipe and exhaust gas cleaner 2, air gauge 15, vacuum-pumping tube and control valve 16 and nitrogen forcing pipe and control valve 17 pass in the first melting kettle 8 through pipeline; The bottom centre of the first melting kettle 8 is provided with up-small and down-big conical through-hole, and taper and the conical through-hole of cone seal piece 9 match, and is connected with movable cooperation of conical through-hole; The other end of cone seal piece 9 is stuck in the groove of jacking block 10 upper ends, and the lower end of jacking block 10 is provided with spring 11, and spring 11 is installed in the spring fitting shell; Described the second melting kettle group comprises the second melting kettle 24, the second heating furnace 23, liquid level sensor 19 and alloy outlet and control valve 25; The second melting kettle 24 places the second heating furnace 23, the upper end is bolted the second crucible cover 20, liquid level sensor 19 passes in the second melting kettle 24 through pipeline, and the alloy outlet is arranged at the bottom of the second melting kettle 24, and outlet is provided with alloy discharge control valve 25; The side of the first melting kettle 8 bottom conical through-holes is provided with a through hole, and the cone seal piece 9 that is positioned at the through hole position is provided with groove, and this through hole is connected with woven hose 13, and the other end of woven hose 13 passes in the second melting kettle 24 through the second crucible cover 20.
Control system and vacuum-pumping tube and control valve 16, nitrogen forcing pipe and control valve 17 and liquid level sensor 19 are electrically connected.
The outside of described woven hose 13 is provided with woven hose muff 14.
Lay the sealed crucible pad between described crucible and the crucible cover.
Described alloy outlet is provided with alloy outlet muff 26.
Beneficial effect
A kind of integrated vacuum melting accurate quantification cast aluminum alloy and magnesium alloy device and method that the present invention proposes, the melting of whole alloy and casting process carry out at integrated confined space, and be aided with vacuum, in the melting of aluminium alloy and magnesium alloy and casting process, stop all the time foreign gas to be sneaked into, although aluminium alloy and magnesium alloy activity are very high, but still can be not oxidized and produce oxidation impurities, the defectives such as the shrinkage cavity and porosity of foundry goods, hole greatly reduce, and forming quality is high.The present invention utilizes the reciprocation of air pressure and spring restoring force to make moving down with up of sealing block, thereby open, sealing alloy infusion channel, sealing block is that the conical surface and Cylindrical Surfaces Contact combine with contacting of crucible bottom, sealing strengthens greatly, and utilize pneumatic process and liquid level sensor to cooperate, the scale that is used to indicate the liquid level sensor height has been installed on liquid level sensor next door on the second crucible cover, (determine) indication of liquid level sensor pointer also fixing according to the quantitative casting quality of alloy in the scale precalculated position first before the smelting and pouring, when liquid level sensor detects that the alloy liquid level reaches proper height in the second crucible, output signal to rapidly control system, this moment control system autoshutdown nitrogen forcing pipe control valve, and automatically open and vacuumize control valve, the melting kettle internal pressure is decreased to zero very soon, sealing block moves under the effect of lower springs restoring force, has blocked the woven hose passage of cast, has realized the quantitative pouring of aluminium alloy, control is accurate, flexible and convenient operation; The present invention realizes alloy melting and casting process in integrated device, reduced operational sequence, simple and convenient, efficient is higher.
Description of drawings
Fig. 1 is integrated vacuum melting accurate quantification cast aluminum alloy and magnesium alloy apparatus structure schematic diagram
1-alloy refining source of the gas; 2-escape pipe and exhaust gas cleaner; The 3-crucible cover; 4-sealed crucible pad; The 5-bolt; The 6-alloy; 7-the first heating furnace; The 8-melting kettle; The 9-sealing block; The 10-jacking block; The 11-spring; 12-spring fitting shell; The 13-woven hose; 14-woven hose muff; The 15-air gauge; 16-vacuum-pumping tube and control valve; 17-nitrogen forcing pipe and control valve; The 18-control system; The 19-liquid level sensor; 20-the second crucible cover; Second group of bolt of 21-; 22-the second sealed crucible pad; 23-the second heating furnace; 24-the second crucible; 25-alloy discharge control valve; 26-alloy outlet muff.
The specific embodiment
Now in conjunction with the embodiments, the invention will be further described for accompanying drawing:
The present embodiment comprises 1. alloy refining sources of the gas; 2. escape pipe and exhaust gas cleaner; 3. crucible cover; 4. sealed crucible pad; 5. bolt; 6. alloy; 7. the first heating furnace; 8. melting kettle; 9. sealing block; 10. jacking block; 11. spring; 12. spring fitting shell; 13. woven hose; 14. woven hose muff; 15. air gauge; 16. vacuum-pumping tube and control valve; 17. nitrogen forcing pipe and control valve; 18. control system; 19. liquid level sensor; 20. the second crucible cover; 21. second group of bolt; 22. the second sealed crucible pad; 23. the second heating furnace; 24. the second crucible; 25. alloy outlet and control valve; 26. alloy outlet muff.Lay sealed crucible pad 4 between melting kettle 8 and the crucible cover 3, fixing with bolt 5, then be placed in the first heating furnace 7.At crucible cover alloy refining source of the gas 1, escape pipe and exhaust gas cleaner 2, air gauge 3, vacuum-pumping tube and control valve 16, nitrogen forcing pipe and control valve 17 are installed.Sealing block 9, woven hose 13 have been installed in melting kettle bottom, wherein following installation jacking block 10, spring 11, the spring fitting shell 12 of sealing block, the outer wall of woven hose is installed woven hose muff 14.The other end of woven hose is installed on the second crucible cover 20.Lay the second sealed crucible pad 22 between the second crucible 24 and the second crucible cover 20, fixing with second group of bolt 21, then be placed in the second heating furnace 23.At the second crucible cover liquid level sensor 19 is installed, in the second crucible bottom alloy outlet and control valve 25 is installed, in alloy outlet and control valve alloy outlet muff 26 is installed.Nitrogen forcing pipe and control valve 17, vacuum-pumping tube and control valve 16, liquid level sensor 19 are connected with control system 18.
During use, first the installation of putting into and finish melting kettle of alloy, then carry out the installation of the second crucible, then adjustment control system and testing fixture carry out vacuum melting and the second crucible heating again, after finishing, pass through adjusting and the replacing of gas circuit, realize the vacuum melting of alloy, again by the moving down and the up passage of carrying with seal in alloy liquid of opening of sealing block, and cooperate displacement transducer to detect liquid level signal, under the control system effect, realize the quantitative pouring of alloy.
Claims (5)
1. an integrated vacuum melting accurate quantification cast aluminum alloy and magnesium alloy device is characterized in that comprising the first melting kettle group and the second melting kettle group; Described the first melting kettle group comprises the first melting kettle (8), the first heating furnace (7), vacuum-pumping tube and control valve (16), nitrogen forcing pipe and control valve (17), sealing block (9), jacking block (10) and spring (11); The first melting kettle (8) places the first heating furnace (7), the upper end is bolted the first crucible cover (3), and alloy refining source of the gas (1), escape pipe and exhaust gas cleaner (2), air gauge (15), vacuum-pumping tube and control valve (16) and nitrogen forcing pipe and control valve (17) pass in the first melting kettle (8) through pipeline; The bottom centre of the first melting kettle (8) is provided with up-small and down-big conical through-hole, and taper and the conical through-hole of cone seal piece (9) match, and is connected with movable cooperation of conical through-hole; The other end of cone seal piece (9) is stuck in the groove of jacking block (10) upper end, and the lower end of jacking block (10) is provided with spring (11), and spring (11) is installed in the spring fitting shell; Described the second melting kettle group comprises the second melting kettle (24), the second heating furnace (23), liquid level sensor (19) and alloy outlet and control valve (25); The second melting kettle (24) places the second heating furnace (23), the upper end is bolted the second crucible cover (20), liquid level sensor (19) passes in the second melting kettle (24) through pipeline, the alloy outlet is arranged at the bottom of the second melting kettle (24), and outlet is provided with alloy discharge control valve (25); The side of the first melting kettle (8) bottom conical through-hole is provided with a through hole, the cone seal piece (9) that is positioned at the through hole position is provided with groove, this through hole is connected with woven hose (13), and the other end of woven hose (13) passes in the second melting kettle (24) through the second crucible cover (20).
2. according to claim 1 described integrated vacuum melting accurate quantification cast aluminum alloy and magnesium alloy device is characterized in that: control system and vacuum-pumping tube and control valve (16), nitrogen forcing pipe and control valve (17) and liquid level sensor (19) are electrically connected.
3. according to claim 1 described integrated vacuum melting accurate quantification cast aluminum alloy and magnesium alloy device, it is characterized in that: the outside of described woven hose (13) is provided with woven hose muff (14).
4. according to claim 1 described integrated vacuum melting accurate quantification cast aluminum alloy and magnesium alloy device is characterized in that: lay the sealed crucible pad between described crucible and the crucible cover.
5. according to claim 1 described integrated vacuum melting accurate quantification cast aluminum alloy and magnesium alloy device, it is characterized in that: described alloy outlet is provided with alloy outlet muff (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220322901 CN202684049U (en) | 2012-07-05 | 2012-07-05 | Integrated vacuum melting precise quantification pouring aluminum alloy and magnesium alloy device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220322901 CN202684049U (en) | 2012-07-05 | 2012-07-05 | Integrated vacuum melting precise quantification pouring aluminum alloy and magnesium alloy device |
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| CN202684049U true CN202684049U (en) | 2013-01-23 |
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| CN 201220322901 Withdrawn - After Issue CN202684049U (en) | 2012-07-05 | 2012-07-05 | Integrated vacuum melting precise quantification pouring aluminum alloy and magnesium alloy device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102728819A (en) * | 2012-07-05 | 2012-10-17 | 西北工业大学 | Device and method for integration vacuum melting precise quantitative pouring of aluminum alloy and magnesium alloy |
| CN103143701A (en) * | 2013-03-13 | 2013-06-12 | 邵宏 | Energy-saving vacuum degassing quantitative furnace |
| CN110315052A (en) * | 2018-03-30 | 2019-10-11 | 安徽科正模具有限公司 | One kind using vacuum forming mold for auto parts production and processing |
| CN111112578A (en) * | 2020-01-15 | 2020-05-08 | 北京交通大学 | Non-oxidation infusion type quantitative pouring device and method |
| CN113670066A (en) * | 2021-08-03 | 2021-11-19 | 西北有色金属研究院 | Medical titanium alloy multistage quantitative smelting furnace |
| CN115889738A (en) * | 2023-02-08 | 2023-04-04 | 保定奥琦圣新型金属材料制造有限公司 | Quantitative casting device for alloy production |
-
2012
- 2012-07-05 CN CN 201220322901 patent/CN202684049U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102728819A (en) * | 2012-07-05 | 2012-10-17 | 西北工业大学 | Device and method for integration vacuum melting precise quantitative pouring of aluminum alloy and magnesium alloy |
| CN103143701A (en) * | 2013-03-13 | 2013-06-12 | 邵宏 | Energy-saving vacuum degassing quantitative furnace |
| CN110315052A (en) * | 2018-03-30 | 2019-10-11 | 安徽科正模具有限公司 | One kind using vacuum forming mold for auto parts production and processing |
| CN111112578A (en) * | 2020-01-15 | 2020-05-08 | 北京交通大学 | Non-oxidation infusion type quantitative pouring device and method |
| CN113670066A (en) * | 2021-08-03 | 2021-11-19 | 西北有色金属研究院 | Medical titanium alloy multistage quantitative smelting furnace |
| CN115889738A (en) * | 2023-02-08 | 2023-04-04 | 保定奥琦圣新型金属材料制造有限公司 | Quantitative casting device for alloy production |
| CN115889738B (en) * | 2023-02-08 | 2023-05-26 | 保定奥琦圣新型金属材料制造有限公司 | Quantitative casting device for alloy production |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130123 Effective date of abandoning: 20140416 |
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| RGAV | Abandon patent right to avoid regrant |