CN101704097B - Sprue cup for smelting alloy - Google Patents
Sprue cup for smelting alloy Download PDFInfo
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- CN101704097B CN101704097B CN2009102199432A CN200910219943A CN101704097B CN 101704097 B CN101704097 B CN 101704097B CN 2009102199432 A CN2009102199432 A CN 2009102199432A CN 200910219943 A CN200910219943 A CN 200910219943A CN 101704097 B CN101704097 B CN 101704097B
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- liquation
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Abstract
A sprue cup for smelting alloy mainly consists of an inner cup wall, an outer cup wall and a bottom plate shared by the inner cup wall and the outer cup wall; four dams are arranged between the inner cup wall and the outer cup wall; all dams are positioned between outlets of molten liquid channels and filtering ports; the outlet of each molten liquid channel is positioned between the adjacent dams; each dam is provided with a slag blocking channel; the slag blocking channel at the inner side surface of the dam is provided with the inlet of the slag blocking channel; the outer side surface of the slag blocking channel is provided with the outlet of the slag blocking channel; and the highest point of the inlet of the slag blocking channel is lower than the lowest point of the outlet of the slag blocking channel. The sprue cup can better control the impurity content in alloy solution, and improves the quality of the alloy smelt by vacuum; and compared with the original sprue cup, the impurity content in the produced mother alloy is reduced obviously.
Description
Technical field
The present invention relates to vacuum alloy melting cup, particularly a kind of alloy melting cup.
Background technology
Casting is difficult to get rid of in casting process with the most vaccum sensitive stoves that adopt of the melting of high temperature alloy, the nonmetallic inclusion particle of being brought in the alloy by crucible or raw material between smelting period.Existing cup in use, liquation enters when filtering mouth, only can filter impurity with screen pack, the filter effect of screen pack is limited more for a long time when fine impurities, particularly adopt the returns molten alloy, the fine oxide particle in the alloy will flow in the alloy with alloy liquid, thereby influence the quality of alloy, reduce the qualification rate of alloy pouring cast part, increase production cost.How before impurity enters screen pack with the most of Impurity removal in the alloy liquation, also do not have a kind of simple effective method in industrial production, to carry out at present.
Summary of the invention
At above-mentioned technical problem, the invention provides a kind of alloy melting cup, purpose is by improved cup, makes cup have the slag of suppressing and filter residue dual-use function, and suppressing slag and filtering dual-use function, the content of nonmetallic inclusion in the reduction alloy by cup.
Alloy melting of the present invention with cup mainly by an interior wall of cup, an outer cup wall and the base plate that both have constitute, described base plate is provided with and filters mouth, filter mouth and be provided with screen pack, the bottom of wall of cup is provided with two liquation passages in described, it is characterized in that: between interior wall of cup and outer cup wall, be provided with four retaining dams, each retaining dam is between liquation channel outlet and filtration mouth, each liquation channel outlet separately between adjacent two retaining dams, offer on each retaining dam and suppress the slag passage, suppressing the medial surface of slag passage on the retaining dam has and suppresses the slag channel entrance, have at the lateral surface of suppressing the slag passage and to suppress the slag channel outlet, and suppress slag channel entrance peak and be lower than the minimum point of suppressing the slag channel outlet.
Above-mentioned retaining dam is between the medial surface of the lateral surface of interior wall of cup and outer cup wall, and retaining dam and interior wall of cup and outer cup wall and base plate link into an integrated entity.
The side that above-mentioned retaining dam is relative with the liquation channel outlet is the medial surface on retaining dam, is the lateral surface that keeps off the dam with filtering a mouthful relative side.
In the above-mentioned cup, the height on retaining dam is less than or equal to the height of outer cup wall.
In the above-mentioned cup, the solution channel outlet is higher than the peak of suppressing the slag channel entrance.
Alloy melting of the present invention with the using method of cup is: during cast, inwardly wall of cup injects the alloy liquation, in the retaining dam in alloy liquid is flowed into by the liquation passage outside the wall of cup, have only when alloy liquation height and be higher than when suppressing the slag channel outlet, alloy liquid just can flow into and filter mouth, floating impurity will be in the retaining dam and suppress on the slag channel entrance this moment, can not flow out to suppress the slag channel outlet and enter to filter mouth.
Alloy melting of the present invention with the design principle of cup is: according to the density of the oxide that exists in the alloy and other non-metallic inclusions characteristics less than the density of alloy liquation, in the liquation channel outlet of interior wall of cup and between filtering mouthful the retaining dam is set; In casting process, non-metallic inclusion in the alloy liquation and oxide swim in the alloy liquation above, in the time of between two retaining dams outside the alloy liquation enters the liquation passage, the solution channel outlet is higher than suppresses slag channel entrance peak, and the peak of suppressing the slag channel entrance on retaining dam is lower than the minimum point of suppressing the slag channel outlet, the alloy liquation of bottom enters the filtration mouth by suppressing the slag passage, and non-metallic inclusion and oxide are blocked in the retaining dam, reach the effect that non-metallic inclusion and oxide are separated from the alloy liquation, for suppressing the impurity that the slag passage fails to get rid of fully, further get rid of by the screen pack that filters mouth.
Cup of the present invention is by being provided with simple retaining dam, can control the impurity content in the alloy liquation preferably, improve the quality of vacuum melting alloy, production application experiment surface, adopt cup of the present invention in carrying out vacuum induction melting alloy casting process, most of impurity is excluded outside alloy pig, and impurity content is compared obvious reduction with adopting original cup in the foundry alloy of producing; The screen pack of secondary filter function employing simultaneously can further adsorb gas and other impurity in the alloy.Of the present invention have the alloy melting of suppressing slag and filtering function and have a good application prospect with cup.
Description of drawings
Fig. 1 is the cup vertical view of the alloy melting in the embodiment of the invention 1;
Fig. 2 cuts open figure for the A-A face side-looking of Fig. 1;
Fig. 3 cuts open figure for the B-B face side-looking of Fig. 1;
Fig. 4 cuts open figure for the C-C face side-looking of Fig. 1;
Fig. 5 cuts open figure for the D-D face side-looking of Fig. 1;
Among the figure 1, interior wall of cup, 2, outer cup wall, 3, base plate, 4, the liquation passage, 5, the liquation channel entrance, 6, the liquation channel outlet, 7, filter mouthful, 8, screen pack, 9, the retaining dam, 10, suppress the slag passage, 11, suppress the slag channel entrance, 12, suppress the slag channel outlet.
The specific embodiment
Alloy melting in the embodiment of the invention is identical with the material of other parts with the retaining dam material of cup, preparation cup method routinely, retaining dam part is set during blank and suppresses the slag passage in preparation, make according to a conventional method then and have the vacuum alloy melting cup of suppressing slag and filtering function.
In the cup in the embodiment of the invention, suppress slag channel entrance peak and be at least 5mm with the difference in height of suppressing slag channel outlet minimum point
Alloy melting usefulness cup structure such as Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Figure 5, cup mainly is made of an interior wall of cup 1, an outer cup wall 2 and a base plate 3 that both have, base plate 3 is provided with and filters mouth 7, filter mouth 7 and be provided with screen pack 8, the bottom of interior wall of cup 1 is provided with two liquation passages 4, liquation passage 4 is a liquation channel entrance 5 at the opening of the medial surface of interior wall of cup 1, and liquation passage 4 is a liquation channel outlet 6 at the opening of the lateral surface of interior wall of cup.
Be provided with four retaining dams 9 between interior wall of cup 1 and the outer cup wall 2, retaining dam 9 is between liquation channel outlet 6 and filtration mouth 7; The level height on retaining dam 9 is less than the level height of outer cup wall 2, and difference in height is 2mm.The relative side of retaining dam 9 and liquation channel outlet 6 is for keeping off the dam medial surface, with filter mouthfuls 7 relative sides and be retaining dam lateral surface, offer on the retaining dam 9 and suppress the slag path 10, suppress the opening of slag path 10 on retaining dam medial surface for suppressing slag channel entrance 11, suppress the opening of slag path 10 on retaining dam lateral surface for suppressing slag channel outlet 12; And the peak of suppressing slag channel entrance 11 is lower than the minimum point of suppressing slag channel outlet 12, and both differences in height are 8mm.
Adopt above-mentioned cup to pour into a mould, the inner cast of inside wall of cup alloy liquation, floating impurity is in the retaining dam, does not enter to filter mouth.Compare with adopting original cup that the retaining dam is not set, the impurity content of alloy pig obviously reduces, and the cast product percent defective of producing reduces by 1%.
With embodiment 1, difference is alloy melting with the cup structure: the level height on retaining dam equals the level height of outer cup wall; Suppressing slag channel entrance peak is 5mm with the difference in height of suppressing slag channel outlet minimum point.
With embodiment 1, difference is alloy melting with the cup structure: suppressing slag channel entrance peak is 10mm with the difference in height of suppressing slag channel outlet minimum point.
Adopt above-mentioned cup to pour into a mould, inwardly wall of cup is poured into a mould the alloy liquation, and floating impurity is in the retaining dam, does not enter and filters mouth.If molten steel is very dirty and contain bulk slag inclusion thing and stop up and to suppress cinder notch, alloy liquid will flow into by top, retaining dam and filter mouth, reduce the runout problem.Compare with adopting original cup that the retaining dam is not set, the impurity of alloy pig obviously reduces, and the product percent defective of production reduces by 1%.
Claims (3)
1. alloy melting cup, mainly by an interior wall of cup, an outer cup wall and the base plate that both have constitute, described base plate is provided with and filters mouth, filter mouth and be provided with screen pack, the bottom of wall of cup is provided with two liquation passages in described, it is characterized in that: between interior wall of cup and outer cup wall, be provided with four retaining dams, each retaining dam is between liquation channel outlet and filtration mouth, each liquation channel outlet separately between adjacent two retaining dams, offer on each retaining dam and suppress the slag passage, suppressing the medial surface of slag passage on the retaining dam has and suppresses the slag channel entrance, have at the lateral surface of suppressing the slag passage and to suppress the slag channel outlet, and suppress slag channel entrance peak and be lower than the minimum point of suppressing the slag channel outlet.
2. a kind of alloy melting cup according to claim 1 is characterized in that described solution channel outlet is higher than the peak of suppressing the slag channel entrance.
3. a kind of alloy melting cup according to claim 1 is characterized in that the height on described retaining dam is less than or equal to the height of outer cup wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102199432A CN101704097B (en) | 2009-11-17 | 2009-11-17 | Sprue cup for smelting alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102199432A CN101704097B (en) | 2009-11-17 | 2009-11-17 | Sprue cup for smelting alloy |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101704097A CN101704097A (en) | 2010-05-12 |
| CN101704097B true CN101704097B (en) | 2011-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102199432A Expired - Fee Related CN101704097B (en) | 2009-11-17 | 2009-11-17 | Sprue cup for smelting alloy |
Country Status (1)
| Country | Link |
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| CN (1) | CN101704097B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104148586A (en) * | 2014-08-15 | 2014-11-19 | 济南圣泉倍进陶瓷过滤器有限公司 | Pouring basin |
| WO2017009811A1 (en) * | 2015-07-15 | 2017-01-19 | Louis Johannes Fourie | Channel type induction furnace |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1100351A (en) * | 1993-09-13 | 1995-03-22 | 李桂林 | Feed head cup for steel casting and its gate spool |
| CN2430235Y (en) * | 2000-06-21 | 2001-05-16 | 攀枝花钢铁(集团)公司设计院 | Slag blocking device in tank of melt iron tank |
| CN2550092Y (en) * | 2002-06-03 | 2003-05-14 | 江铃汽车股份有限公司 | Casting quantitative filter feed head |
| CN101161375A (en) * | 2007-11-21 | 2008-04-16 | 内蒙古科技大学 | Gate bag for amorphous alloy production |
-
2009
- 2009-11-17 CN CN2009102199432A patent/CN101704097B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1100351A (en) * | 1993-09-13 | 1995-03-22 | 李桂林 | Feed head cup for steel casting and its gate spool |
| CN2430235Y (en) * | 2000-06-21 | 2001-05-16 | 攀枝花钢铁(集团)公司设计院 | Slag blocking device in tank of melt iron tank |
| CN2550092Y (en) * | 2002-06-03 | 2003-05-14 | 江铃汽车股份有限公司 | Casting quantitative filter feed head |
| CN101161375A (en) * | 2007-11-21 | 2008-04-16 | 内蒙古科技大学 | Gate bag for amorphous alloy production |
Non-Patent Citations (1)
| Title |
|---|
| 史鉴开.撇渣浇口杯.《现代铸铁》.1990,(第4期),36. * |
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| CN101704097A (en) | 2010-05-12 |
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