CN207267034U - The device of sprue cup is ultrasonically treated in metal casting process - Google Patents
The device of sprue cup is ultrasonically treated in metal casting process Download PDFInfo
- Publication number
- CN207267034U CN207267034U CN201721149383.4U CN201721149383U CN207267034U CN 207267034 U CN207267034 U CN 207267034U CN 201721149383 U CN201721149383 U CN 201721149383U CN 207267034 U CN207267034 U CN 207267034U
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- China
- Prior art keywords
- sprue cup
- ultrasonic
- casting process
- ultrasonically treated
- graphite
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 230000008569 process Effects 0.000 title claims abstract description 21
- 238000005058 metal casting Methods 0.000 title claims abstract description 16
- 238000005266 casting Methods 0.000 claims abstract description 30
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 22
- 239000010439 graphite Substances 0.000 claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 claims abstract description 17
- 239000000523 sample Substances 0.000 claims abstract description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 25
- 229910052742 iron Inorganic materials 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 8
- 239000004576 sand Substances 0.000 claims description 8
- 230000007704 transition Effects 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims 1
- 229910001141 Ductile iron Inorganic materials 0.000 abstract description 8
- 239000013078 crystal Substances 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 4
- 210000001787 dendrite Anatomy 0.000 abstract description 3
- 238000000265 homogenisation Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000009776 industrial production Methods 0.000 abstract description 2
- 239000007769 metal material Substances 0.000 abstract description 2
- 238000002360 preparation method Methods 0.000 abstract description 2
- 239000002184 metal Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 101150038956 cup-4 gene Proteins 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000011081 inoculation Methods 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 229910052702 rhenium Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000616 Ferromanganese Inorganic materials 0.000 description 1
- 229910000519 Ferrosilicon Inorganic materials 0.000 description 1
- 229910000805 Pig iron Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010227 cup method (microbiological evaluation) Methods 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- DALUDRGQOYMVLD-UHFFFAOYSA-N iron manganese Chemical compound [Mn].[Fe] DALUDRGQOYMVLD-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002667 nucleating agent Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
Landscapes
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Abstract
The utility model discloses the device that sprue cup is ultrasonically treated in a kind of metal casting process, belongs to metal material preparation and metallurgical technology field.Described device includes the graphite sprue cup above production sprue cup, and the graphite sprue cup connects ultrasonic probe, and ultrasonic probe connects ultrasonic transducer by ultrasonic transformer, and the ultrasonic transducer connects ultrasonic generator.The beneficial effects of the utility model are:High-energy ultrasonic device is placed on sprue cup, broken dendrite, crystal grain thinning and homogenization component can be played the role of during cast;The present apparatus does not influence casting process, does not influence production efficiency, and cost is low, suitable for large-scale industrial production;Using the device that sprue cup is ultrasonically treated in the utility model metal casting process, the spheroidal graphite cast-iron with high intensity, high elongation rate is obtained.
Description
Technical field
The supersound process of metal liquid cast is the utility model is related to, belongs to metal material preparation and metallurgical technology field.
Background technology
The casting flow and production link of metal directly determine the quality of the metal products such as casting, how to reduce in casting
The defects of, crystal grain thinning, it is an eternal problem to improve casting strength.With the development of metallurgical technology, series of new techniques
Continuously emerge, cast structure uniformity is improved, and gas and impurity are constantly reduced, but casting quality is far from reaching highest
Level.It is continuous to further improve the measure such as the mechanical property of the metal products such as casting, heterogeneous nucleating agent, temperature control processing
Ground proposes that above-mentioned measure has pollution, and efficiency is low, it is complicated the problems such as.
Utility model content
To solve defect existing in the prior art, the purpose of this utility model is to provide in a kind of metal casting process ultrasonic
The device and method of sprue cup is handled, ultrasound is applied to sprue cup, is acted on using the cavitation of ultrasonic wave, acoustic streaming effect etc.,
Make metal product dendrite fragmentation, crystal grain refinement, exhaust and homogenization of composition.
The technical solution of the utility model is:The device of sprue cup is ultrasonically treated in metal casting process, including positioned at life
Graphite sprue cup above production sprue cup, the graphite sprue cup connect ultrasonic probe, and ultrasonic probe is connected by ultrasonic transformer
Ultrasonic transducer, the ultrasonic transducer connect ultrasonic generator.
The casting ladle being connected with pouring truck is located above the graphite sprue cup.
The production is located on device for sand coated iron mould casting mold with sprue cup, and device for sand coated iron mould casting mold is located on casting mold stent.
The ultrasonic transducer, ultrasonic transformer, ultrasonic probe and graphite sprue cup are connected through a screw thread composition one respectively
Structure.
The ultrasonic generator and ultrasonic transducer are located on ultrasonic device stent.
The top in the cavity section of the graphite sprue cup is trapezoidal, lower part is rectangle.
The production is equipped with arc-shaped transition with sprue cup inner wall.
The beneficial effects of the utility model are:High-energy ultrasonic device is placed on sprue cup, can be during cast
Play the role of broken dendrite, crystal grain thinning and homogenization component;The present apparatus does not influence casting process, does not influence production effect
Rate, cost is low, suitable for large-scale industrial production;In the utility model metal casting process be ultrasonically treated sprue cup method and
Device, obtains the spheroidal graphite cast-iron with high intensity, high elongation rate, the spheroidal graphite cast-iron intensity>830MPa, elongation>
5%, 250~270HBS of hardness.
Brief description of the drawings
Fig. 1 is graphite sprue cup structure diagram;
Fig. 2 is production sprue cup structure diagram;
Fig. 3 is supersound process pouring cup device structure diagram.
Reference numeral is as follows in figure:1st, pouring truck, 2, casting ladle, 3, device for sand coated iron mould casting mold, 4, production sprue cup, 5, graphite
Sprue cup, 6, ultrasonic probe, 7, ultrasonic transformer, 8, ultrasonic transducer, 9, ultrasonic generator, 10, ultrasonic device stent, 11, casting mold
Stent.
Embodiment
1-3 is described further the utility model below in conjunction with the accompanying drawings:
The device of sprue cup is ultrasonically treated in metal casting process, including is poured positioned at production with the graphite above sprue cup 4
Cup 5, the graphite sprue cup 5 connect ultrasonic probe 6, and ultrasonic probe 6 connects ultrasonic transducer 8 by ultrasonic transformer 7, described super
Sonic transducer 8 connects ultrasonic generator 9.
The casting ladle 2 being connected with pouring truck 1 is positioned at the top of graphite sprue cup 5.
The production is located on device for sand coated iron mould casting mold 3 with sprue cup 4, and device for sand coated iron mould casting mold 3 is located on casting mold stent 11.
The ultrasonic transducer 8, ultrasonic transformer 7, ultrasonic probe 6 and graphite sprue cup 5 are connected through a screw thread composition respectively
Integrative-structure.
The ultrasonic generator 9 and ultrasonic transducer 8 are located on ultrasonic device stent 10.
The top in the cavity section of the graphite sprue cup 5 is trapezoidal, lower part is rectangle.
The production is equipped with arc-shaped transition with 4 inner wall of sprue cup.
The method of sprue cup is ultrasonically treated in metal casting process, is comprised the following steps that:
(1) composition proportion:By weight percentage, C:3.5-3.9%, Si:1.7-2.1%, Mg:0.03-0.05%,
Cu:0.2-1.0%, Mn:0.3-0.6%, S < 0.025%, P:< 0.06%, Re:0.012-0.015%, other impurities are total
Content≤0.02-0.05%, surplus Fe;
(2) furnace charge is matched:The low S steel scraps 5% of low P and iron filings 10%, foundry returns 35%, remaining is high-purity pig iron, by step
(1) composition proportion is as furnace charge;
(3) melting and refining:Molten iron is obtained using middle frequency furnace melting batch, industry is added by step (1) composition proportion
Ferromanganese, industrial ferrosilicon and the uniform melting of cathode copper, come out of the stove, tapping temperature is after desulfurizing and refining:1400-1480℃;
(4) spheroidising:Select Z6S nodulizers, additional proportion 0.9%;
(5) inoculation:75Si-Fe inovulants are selected, by the way of current-following inoculation, inovulant granularity is 0.2-
0.5mm, addition 0.3-0.5kg/min, total amount are no more than 0.6%;
(6) ultrasonic transducer 8, ultrasonic transformer 7, ultrasonic probe 6 and graphite sprue cup 5 are connected through a screw thread composition one knot
Structure is fixed on the top of ultrasonic device stent 10, and ultrasonic device stent 10 is placed in 1 opposite side of pouring truck, graphite sprue cup 5 is put
It is placed in the surface of production sprue cup 4;
(7) ultrasonic generator 9 is opened, adjusts ultrasonic technique parameter, ultrasonic technique parameter is:Frequency 19.11KHz,
Power 300W, time are whole casting process.The effect for improving casting quality is realized using the special role of ultrasonic wave;
(8) molten iron enters in device for sand coated iron mould casting mold 3 by the graphite sprue cup 5 and production sprue cup 4 being ultrasonically treated.Pour
After note, ultrasonic generator 9 is closed, removes graphite sprue cup 5;
(9) pouring temperature is 1421 DEG C, is unpacked after cooling, obtains cast condition ductile iron casting.
(10) after testing, the spheroidal graphite cast-iron component of acquisition is C:3.63%, Si:1.93%, Mg:0.05%, Cu:
0.46%, Mn:0.52%, S:0.014%, P:0.036%, Re:0.013%, surplus Fe.
Ductile cast iron casting mechanical property is as shown in table 1 after supersound process, after supersound process, ductile cast iron casting it is strong
Spend for 838-907MPa, elongation 5.3-6.8%, higher than the ductile cast iron casting intensity 788MPa for not applying supersound process, stretch
Long rate 2.7%.
Table 1
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model technical principle is not departed from, some improvement and modification can also be made, these change
The scope of protection of the utility model is also should be regarded as into modification.
Claims (7)
1. the device of sprue cup is ultrasonically treated in a kind of metal casting process, it is characterised in that including positioned at production sprue cup
(4) the graphite sprue cup (5) above, graphite sprue cup (5) the connection ultrasonic probe (6), ultrasonic probe (6) pass through ultrasonic transformer
(7) ultrasonic transducer (8), ultrasonic transducer (8) the connection ultrasonic generator (9) are connected.
2. the device of sprue cup is ultrasonically treated in metal casting process according to claim 1, it is characterised in that with cast
The casting ladle (2) of car (1) connection is located above the graphite sprue cup (5).
3. the device of sprue cup is ultrasonically treated in metal casting process according to claim 1, it is characterised in that the life
Production is located on device for sand coated iron mould casting mold (3) with sprue cup (4), and device for sand coated iron mould casting mold (3) is located on casting mold stent (11).
4. the device of sprue cup is ultrasonically treated in metal casting process according to claim 1, it is characterised in that described super
Sonic transducer (8), ultrasonic transformer (7), ultrasonic probe (6) and graphite sprue cup (5) are connected through a screw thread composition one knot respectively
Structure.
5. the device of sprue cup is ultrasonically treated in metal casting process according to claim 1, it is characterised in that described super
Acoustic generator (9) and ultrasonic transducer (8) are located on ultrasonic device stent (10).
6. the device of sprue cup is ultrasonically treated in metal casting process according to claim 1, it is characterised in that the stone
The top in the cavity section of black sprue cup (5) is trapezoidal, lower part is rectangle.
7. the device of sprue cup is ultrasonically treated in metal casting process according to claim 1, it is characterised in that the life
Production is equipped with arc-shaped transition with sprue cup (4) inner wall.
Priority Applications (1)
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CN201721149383.4U CN207267034U (en) | 2017-09-08 | 2017-09-08 | The device of sprue cup is ultrasonically treated in metal casting process |
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CN201721149383.4U CN207267034U (en) | 2017-09-08 | 2017-09-08 | The device of sprue cup is ultrasonically treated in metal casting process |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107498000A (en) * | 2017-09-08 | 2017-12-22 | 大连理工大学 | The device and method of sprue cup is ultrasonically treated in metal casting process |
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2017
- 2017-09-08 CN CN201721149383.4U patent/CN207267034U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107498000A (en) * | 2017-09-08 | 2017-12-22 | 大连理工大学 | The device and method of sprue cup is ultrasonically treated in metal casting process |
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