CN101817064A - Device and method for preparing metal semi-solid slurry - Google Patents
Device and method for preparing metal semi-solid slurry Download PDFInfo
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- CN101817064A CN101817064A CN200910022381A CN200910022381A CN101817064A CN 101817064 A CN101817064 A CN 101817064A CN 200910022381 A CN200910022381 A CN 200910022381A CN 200910022381 A CN200910022381 A CN 200910022381A CN 101817064 A CN101817064 A CN 101817064A
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Abstract
The invention relates to a device and a method for preparing metal semi-solid slurry. In the device, a bracket 7 is arranged on a working plane, an alloy trough 3 is formed on an inclined plane on the upper part of the bracket 7; the device is provided with a casting ladle 5 for conveying melted metal; a funneled sprue cup 4 is arranged at the upper end of the alloy trough 3; the upper end opening of the sprue cup 4 is opposite to the casting ladle 5, while the lower end is communicated with the alloy trough 3; a cast 1 of which the internal cavity is communicated with the alloy trough 3 is arranged at the lower end of the alloy trough 3; and a cooling hole with a cooling water outlet 2 and a cooling water inlet 6 is formed on the alloy trough 3. The method for preparing the metal semi-solid slurry by using the device comprises the following steps of: processing a small metal block, namely a self-inoculating agent with the same components of the processed alloy; introducing the self-inoculating agent into the melted alloy melt; controlling the temperature of adding the self-inoculating agent into the melt and the temperature of pouring to be 50 to 150 DEG C higher than that of alloy liquidus; and performing conventional melt treatment after the self-inoculating agent is melted.
Description
Technical field
The present invention relates to the flow of metal moulding, or thixotroping processing and forming field.
Background technology
Since the semi-solid-state shaping process technology than traditional liquid cast technology improved properties of product, energy savings, production efficiency height, to advantages such as the thermal shock of mould are little, more and more cause people's attention.But promoting the use of in industrial practice of this technology also exists than high former of conventional liquid forming technique cost thereby is restricted at present.For reduce the semisolid forming technique application cost, Chinese patent " a kind of Wave type inclined plate vibration device and preparation method who prepares semi-solid alloy " (200710011510.9) utilizes the molten metal process that flows to improve the stirring action effect through coldplate commonly used in the casting, and the semi-solid alloy of preparation is organized good.Chinese patent " a kind of preparation method and preparation facilities of casting with semi solid slurry " (200610041892.5) proposes to be intended to adopt method or the Quench and the mechanical vibration method of Quench, make molten metal at the within it wall Quench crystalline growth of the water conservancy diversion of flowing through during through air deflector, simultaneously under the mobile souring of molten metal itself, make the thin brilliant necking down that produces of Quench, fracture or broken, and then washed away fracture by liquid stream and incorporate liquid stream, obtain semi solid slurry.In addition, for reducing production costs, United States Patent (USP) 6880613 proposes two kinds of alloys are melted respectively, two kinds of metal collection is mixed again, and adjusts mixing temperature and time acquisition semi solid slurry.
All these patents, purpose are to simplify production technology, reduce production costs, but still make that producing becomes is not that complexity is exactly the relatively poor problem of stock quality, at present, also are difficult to apply aborning, also rest on the laboratory development.
Summary of the invention
The preparation method who the purpose of this invention is to provide the device and the slurry that are used to prepare metal semi-solid slurry.
The present invention is the preparation method who is used to prepare the device and the slurry of metal semi-solid slurry, wherein be used to prepare the device of metal semi-solid slurry, its support 7 is placed on the working face, one alloy chute 3 is installed on the inclined ramp on support 7 tops, the casting ladle 5 that the good metal of one handling molten is arranged, one funnel shaped cup 4 is installed in the upper end of alloy chute 3, the upper port of cup 4 is facing to casting ladle 5, the lower end communicates with alloy chute 3, in alloy chute 3 lower ends the casting mold 1 that one inner chamber communicates with alloy chute 3 is installed, having coolant outlet on alloy chute 3 is 2, inlet is 6 cooling hole.
Prepare the method for metal semi-solid slurry, the steps include:
(1) processing and the congruent little metal derby of institute's alloy phase of handling-from inovulant, and in fusing alloy melt well introducing from inovulant;
(2) the control melt adds from inovulant temperature and pouring temperature, is these more than alloy liquid phase line temperature 50～150 ℃;
(3) after the inovulant fusing, carry out conventional melt treatment.
Usefulness of the present invention is: the blank preparation technics flow process is short, energy consumption is low, efficient is high, equipment is simple, compact conformation, applicability are strong; Be applicable to various alloys, comprise magnesium alloy, aluminium alloy, kirsite, copper alloy and ferrous materials with solidification temperature range; Alloy melt is not polluted, and slurrying and link with ready-made type equipment continuously, the production efficiency height had, characteristics with low cost.
Description of drawings
Fig. 1 is a semi solid slurry preparation facilities structural representation of the present invention, and its Reference numeral and corresponding name are called casting mold 1, coolant outlet 2, alloy chute 3, cup 4, cooling water inlet 5, casting ladle 6, support 7.
Fig. 2 is the vertical view of alloy chute 3 among Fig. 1, Fig. 3 be A-A among Fig. 2 to cutaway view, Fig. 4 be among Fig. 2 B-B to cutaway view.
The specific embodiment
The present invention is the preparation method who is used to prepare the device and the slurry of metal semi-solid slurry, as shown in Figure 1, wherein be used for preparing the device of metal semi-solid slurry, its support 7 is placed on the working face, one alloy chute 3 is installed on the inclined ramp on support 7 tops, the casting ladle 5 that the good metal of one handling molten is arranged, one funnel shaped cup 4 is installed in the upper end of alloy chute 3, the upper port of cup 4 is facing to casting ladle 5, the lower end communicates with alloy chute 3, in alloy chute 3 lower ends the casting mold 1 that one inner chamber communicates with alloy chute 3 is installed, having coolant outlet on alloy chute 3 is 2, inlet is 6 cooling hole.
As Fig. 2, shown in Figure 3, the epimere of alloy chute 3 is that two adjacent shape of cross sections are semicircular groove in the device of preparation metal semi-solid slurry, be that semicircular groove converges at two adjacent shape of cross sections of hypomere of alloy chute 3 is that a shape of cross section is semicircular groove.Alloy melt mixes at hypomere through two grooves of epimere of alloy chute 3, its objective is that reinforcement from pregnant effect, promotion crystal grain propagation, inhibition nucleus growth, finally is prepared into the solid-liquid mixed slurry with spherical nascent solid phase.
The epimere of alloy chute 3 of the present invention is that two adjacent shape of cross sections are semicircular groove, also can offer the above groove of twice.
The preparation method's of metal semi-solid slurry of the present invention core is to add in metal alloy liquid process of setting that congruent solid particle-from inovulant, its concrete steps are:
(1) processing and the congruent little metal derby of institute's alloy phase of handling-from inovulant, and in fusing alloy melt well introducing from inovulant;
(2) the control melt adds from inovulant temperature and pouring temperature, is these more than alloy liquid phase line temperature 50～150 ℃;
(3) after the inovulant fusing, carry out conventional melt treatment.
The quick method for preparing metal semi-solid slurry of the present invention can perhaps will add in the casting ladle 5 from inovulant, and be aided with stirring place the bottom of cup 4 from inovulant.
Method processing of the present invention is the alloy with solidification temperature range with handled alloy, is magnesium alloy, perhaps aluminium alloy, perhaps kirsite, perhaps copper alloy, perhaps ferrous materials.
Be the embodiment of the metal of the corresponding concrete material of the present invention below:
Embodiment one
The applied alloy designations of present embodiment is AZ91D, and its alloying component is (mass percent, down together): Al 8.3～9.7%, and Zn 0.35～1.0%, and Mn 0.15%, Si≤0.10%, and Cu≤0.030%, Fe 0.005%, Ni≤0.02%, all the other are Mg.
Present embodiment adopts the mode of placing from inovulant in cup 4, be applicable to the production of continuous batch high-quality semi solid slurry.
In force, the part metals alloy that composition is identical adopts the method for machining, cuts into the biscuit metal stand-by (being called from inovulant) of same size, about 10mm * 10mm * 10mm; Metal alloy with the same composition of another part melts then, carries out conventional melt treatment after the fusing, as degasification, refining.To process the bottom that is placed into cup 4 from inovulant simultaneously.Then adjust about melt temperature to 680 ℃ and pour into a mould, and open coolant outlet 2 and inlet 6; Utilize casting ladle 5 to pour into cup 4 (adding from inovulant in the casting process), below cup, at first enter the groove 3 of two runners, be combined into a groove, flow into then in the casting mold 1, obtain required foundry goods shape at two grooves of hypomere of groove through shunting.
Embodiment two
The applied alloy designations of present embodiment is AZ91D, and its alloying component is: Al 8.3～9.7%, Zn0.35～1.0%, and Mn 0.15%, Si≤0.10%, Cu≤0.030%, Fe 0.005%, Ni≤0.02%, all the other are Mg.
Present embodiment adopts the mode that adds casting ladle from inovulant, is applicable to the production of small lot, batch (-type) high-quality semi solid slurry.
The implementation process of present embodiment is close with embodiment one, and difference is from the about 5mm * 5mm of inovulant agent size * 5mm; From inovulant is not the bottom that is placed on cup, adjusts in the melt of 680～710 ℃ of temperature but add, and promptly adds in casting ladle, and addition is 5% of a melt quality, and stirs for 5 seconds; Pour into then and do not hold in the cup of inovulant.
Embodiment three
The applied alloy designations of present embodiment is AM60, and its chemical composition is: Al 5.5%～6.5%, Zn0.22%, and Mn 0.24%～0.6%, and Si 0.1%, and Cu 0.01%, and Ni 0.002%, and Fe 0.005%, and all the other are Mg.
Present embodiment adopts the mode of placing from inovulant in cup, be applicable to the production of continuous batch high-quality semi solid slurry.
The implementation process of present embodiment is identical with embodiment one, and alloy temperature is to pour into a mould about 700 ℃, obtains required foundry goods shape.
Embodiment four
The applied alloy designations of present embodiment is AM60, and its chemical composition is: Al 5.5%～6.5%, Zn0.22%, and Mn 0.24%～0.6%, and Si 0.1%, and Cu 0.01%, and Ni 0.002%, and Fe 0.005%, and all the other are Mg.
Present embodiment adopts the mode that adds casting ladle from inovulant, is applicable to the production of small lot, batch (-type) high-quality semi solid slurry.
Implementation process is identical with embodiment two, adjusts in the melt of about 680～720 ℃ of temperature, promptly adds in casting ladle, and addition is 5% of a melt quality, and stirs for 5 seconds; Cast then.
Embodiment five
The applied alloy designations of present embodiment is AZ61, and its alloying component is: Al 5.8～7.2%, Zn0.4～1.5%, and Mn 〉=0.50%, Si 1.10%, and Cu 0.05%, and Ni 0.05%, and Fe 0.005%, and all the other are Mg.
The present embodiment applicable elements is identical with embodiment one with implementation process.Difference is that pouring temperature is to carry out about 710 ℃.
Embodiment six
The applied alloy designations of present embodiment is AZ61, and its alloying component is: Al 5.8～7.2%, and Zn 0.4～1.5%, Mn 〉=0.50%, and Si 1.10%, and Cu 0.05%, and Ni 0.05%, and Fe 0.005%, and all the other are Mg.
The present embodiment applicable elements is identical with embodiment two with implementation process.Part is not to adjust temperature to 690～730 ℃ to pour into a mould simultaneously.
Embodiment seven
The applied alloy designations of present embodiment is A356, and its alloying component is: Si 6.5～7.5%, Cu≤0.2%, and Mn≤0.1, Mg 0.25～0.45%, Zn≤0.1%, Fe≤0.2%, all the other are Al.
The present embodiment applicable elements is identical with embodiment one with implementation process, and difference is that pouring temperature is to carry out about 700 ℃.
Embodiment eight
The applied alloy designations of present embodiment is A356, and its alloying component is Si 6.5～7.5%, Cu≤0.2%, and Mn≤0.1, Mg 0.25～0.45%, Zn≤0.1%, Fe≤0.2%, all the other are Al.
Present embodiment applicable elements and implementation process be with embodiment two, and part is not to adjust temperature to 690～730 ℃ to pour into a mould simultaneously.
Embodiment nine
The applied alloy designations of present embodiment is a wrought aluminium alloy 7075, and its chemical composition is: Si 0.4%, and Mn 0.3%, and Cu 1.2～2.0%, and Mg 2.1～2.9%, and Zn 5.1～6.1%, and all the other are Al.
The present embodiment applicable elements is identical with embodiment one with implementation process.Difference is that pouring temperature is to carry out about 740 ℃.
Embodiment ten
The applied alloy designations of present embodiment is a wrought aluminium alloy 7075, and its chemical composition is: Si0.4%, and Mn0.3%, Cu 1.2～2.0%, and Mg 2.1～2.9%, and Zn 5.1～6.1%, and all the other are Al.
The present embodiment applicable elements is identical with embodiment two with implementation process, and part is not to adjust temperature to 720～750 ℃ to pour into a mould simultaneously.
Embodiment 11
The applied alloy designations of present embodiment is ZA27, and its chemical composition is: Al 27%, and Cu 2%, and Mg 0.04%, and all the other are Zn.
The present embodiment applicable elements is mutually same with implementation process and embodiment, and difference is that pouring temperature is to carry out about 580 ℃.
Embodiment 12
The applied alloy designations of present embodiment is ZA27, and its chemical composition is: Al 27%, and Cu 2%, and Mg 0.04%, and all the other are Zn.
The present embodiment applicable elements is identical with embodiment two with implementation process, and part is not to adjust temperature to 570～600 ℃ to pour into a mould simultaneously.
Embodiment 13
The applied alloy designations of present embodiment is ZCuAl10Fe3, and its chemical composition is: Al 8.5～11.0%, and Fe 2.0～4.0%, and all the other are Cu.
The present embodiment applicable elements is identical with embodiment one with implementation process, and difference is that pouring temperature is to carry out about 1250 ℃.
Embodiment 14
The applied alloy designations of present embodiment is ZCuAl10Fe3, and its chemical composition is: Al 8.5～11.0%, and Fe 2.0～4.0%, and all the other are Cu.
The present embodiment applicable elements is identical with embodiment two with implementation process, and part is not to adjust temperature to 1230～1260 ℃ to pour into a mould simultaneously.
Embodiment 15
The applied steel trade mark of present embodiment is No. 45 steel, and its chemical composition is: C 0.42～0.50%, Si0.17～0.37%, and Mn 0.50～0.80%, Cr≤0.2%, Ni≤0.30%, Cu≤0.25%, all the other are Fe.
The present embodiment applicable elements is identical with embodiment one with implementation process, and difference is that pouring temperature is to carry out about 1580 ℃.
Embodiment 16
The applied steel trade mark of present embodiment is No. 45 steel, and its chemical composition is: C 0.42～0.50%, Si0.17～0.37%, and Mn 0.50～0.80%, Cr≤0.2%, Ni≤0.30%, Cu≤0.25%, all the other are Fe.
The present embodiment applicable elements is identical with embodiment two with implementation process, and part is not to adjust temperature to 1560～1600 ℃ to pour into a mould simultaneously.
Embodiment 17
The applied alloy designations of present embodiment is HT250, and its chemical composition is: C 2.5～4.0%, Si1.0～1.3%, and Mn 0.905～1.3%, P≤0.3%, S≤0.15%, all the other are Fe.
The present embodiment applicable elements is identical with embodiment one with implementation process, and difference is that pouring temperature is to carry out about 1420 ℃.
Embodiment 18
The applied alloy designations of present embodiment is HT250, and its chemical composition is: C 2.5～4.0%, Si1.0～1.3%, and Mn 0.905～1.3%, P≤0.3%, S≤0.15%, all the other are Fe.
The present embodiment applicable elements is identical with embodiment two with implementation process, and part is not to adjust temperature to 1400～1450 ℃ to pour into a mould simultaneously.
Claims (6)
1. be used to prepare the device of metal semi-solid slurry, its support (7) is placed on the working face, it is characterized in that on the inclined ramp on support (7) top, installing an alloy chute (3), the casting ladle (5) that the good metal of one handling molten is arranged, one funnel shaped cup (4) is installed in the upper end of alloy chute (3), the upper port of cup (4) is facing to casting ladle (5), the lower end communicates with alloy chute (3), in alloy chute (3) lower end the casting mold (1) that one inner chamber communicates with alloy chute (3) is installed, on alloy chute (3), is had coolant outlet and be (2), inlet is the cooling hole of (6).
2. the device that is used to prepare metal semi-solid slurry according to claim 1, the epimere that it is characterized in that alloy chute (3) is that two adjacent shape of cross sections are semicircular groove, be that semicircular groove converges at two adjacent shape of cross sections of hypomere of alloy chute (3) is that a shape of cross section is semicircular groove.
3. the device of the described preparation metal semi-solid slurry of use claim 1 prepares the method for metal semi-solid slurry, the steps include:
(1) processing and the congruent little metal derby of institute's alloy phase of handling-from inovulant, and in fusing alloy melt well introducing from inovulant;
(2) the control melt adds from inovulant temperature and pouring temperature, is these more than alloy liquid phase line temperature 50～150 ℃;
(3) after the inovulant fusing, carry out conventional melt treatment.
4. the method for preparing metal semi-solid slurry according to claim 3, it is characterized in that processing with handled alloy be alloy with solidification temperature range, be magnesium alloy, perhaps aluminium alloy, perhaps kirsite, perhaps copper alloy, perhaps ferrous materials.
5. the method for preparing metal semi-solid slurry according to claim 1 is characterized in that and will place the bottom of cup (4) from inovulant.
6. the method for preparing metal semi-solid slurry according to claim 1 is characterized in that and will add from inovulant in the casting ladle (5), and is aided with stirring.
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| CN200910022381A CN101817064A (en) | 2009-04-24 | 2009-04-24 | Device and method for preparing metal semi-solid slurry |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102000784A (en) * | 2010-11-17 | 2011-04-06 | 昆明理工大学 | Method for controlling large-scale nodular iron cast coagulation tissue |
| CN102069158A (en) * | 2011-01-11 | 2011-05-25 | 大连理工大学 | Coating of slope for preparing semi-solid slurry and spraying method thereof |
| CN103286280A (en) * | 2013-06-09 | 2013-09-11 | 慈溪市汇丽机电有限公司 | Introducing grain method for preparing semi-solid metal slurry and application thereof |
| CN104107885A (en) * | 2013-12-25 | 2014-10-22 | 南昌大学 | Semi-solid slurry cleaning and producing device |
| CN104259417A (en) * | 2014-09-18 | 2015-01-07 | 珠海市润星泰电器有限公司 | Alloy modificator for preparing metal semi-solid slurry |
| CN104308094A (en) * | 2014-09-15 | 2015-01-28 | 凤阳爱尔思轻合金精密成型有限公司 | Energized solid metal slurry forming equipment and method based on liquidus |
| CN106591608A (en) * | 2015-10-16 | 2017-04-26 | 苏州显嘉金属科技有限公司 | Manufacturing method of semi-solid metal alloy slurry |
| CN106623819A (en) * | 2016-11-25 | 2017-05-10 | 昆明理工大学 | Prepration method for semisolid alloy slurry |
| CN106825483A (en) * | 2017-03-21 | 2017-06-13 | 昆明理工大学 | A kind of method and device for preparing semi solid slurry |
| CN107116184A (en) * | 2017-04-27 | 2017-09-01 | 苏州春兴精工股份有限公司 | A kind of preparation technology of semi-solid-state metal slurry |
| CN107457373A (en) * | 2017-08-28 | 2017-12-12 | 广东工业大学 | A kind of device and its implementation for preparing semi solid slurry |
| US10081054B2 (en) | 2014-09-23 | 2018-09-25 | Zhuhai Runxingtai Electrical Co., Ltd | Die-casting process method for die-cast molding of metal in semi-solid state |
| CN111375748A (en) * | 2018-12-28 | 2020-07-07 | 井冈山大学 | Vibration slope casting device |
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- 2009-04-24 CN CN200910022381A patent/CN101817064A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102000784B (en) * | 2010-11-17 | 2012-10-31 | 昆明理工大学 | Method for controlling large-scale nodular iron cast coagulation tissue |
| CN102000784A (en) * | 2010-11-17 | 2011-04-06 | 昆明理工大学 | Method for controlling large-scale nodular iron cast coagulation tissue |
| CN102069158A (en) * | 2011-01-11 | 2011-05-25 | 大连理工大学 | Coating of slope for preparing semi-solid slurry and spraying method thereof |
| CN102069158B (en) * | 2011-01-11 | 2013-01-02 | 大连理工大学 | Coating of slope for preparing semi-solid slurry and spraying method thereof |
| CN103286280A (en) * | 2013-06-09 | 2013-09-11 | 慈溪市汇丽机电有限公司 | Introducing grain method for preparing semi-solid metal slurry and application thereof |
| CN104107885A (en) * | 2013-12-25 | 2014-10-22 | 南昌大学 | Semi-solid slurry cleaning and producing device |
| CN104308094A (en) * | 2014-09-15 | 2015-01-28 | 凤阳爱尔思轻合金精密成型有限公司 | Energized solid metal slurry forming equipment and method based on liquidus |
| CN104259417B (en) * | 2014-09-18 | 2016-03-02 | 珠海市润星泰电器有限公司 | A kind of alloy inoculant for the preparation of metal semi-solid slurry |
| CN104259417A (en) * | 2014-09-18 | 2015-01-07 | 珠海市润星泰电器有限公司 | Alloy modificator for preparing metal semi-solid slurry |
| WO2016041510A1 (en) * | 2014-09-18 | 2016-03-24 | 珠海市润星泰电器有限公司 | Alloy modifying agent for use in preparing metal semisolid slurry |
| US10322448B2 (en) | 2014-09-18 | 2019-06-18 | Zhuhai Runxingtai Electrical Co., Ltd | Alloy modifying agent for use in preparing metal semisolid slurry |
| US10081054B2 (en) | 2014-09-23 | 2018-09-25 | Zhuhai Runxingtai Electrical Co., Ltd | Die-casting process method for die-cast molding of metal in semi-solid state |
| CN106591608A (en) * | 2015-10-16 | 2017-04-26 | 苏州显嘉金属科技有限公司 | Manufacturing method of semi-solid metal alloy slurry |
| CN106623819A (en) * | 2016-11-25 | 2017-05-10 | 昆明理工大学 | Prepration method for semisolid alloy slurry |
| CN106825483A (en) * | 2017-03-21 | 2017-06-13 | 昆明理工大学 | A kind of method and device for preparing semi solid slurry |
| CN107116184A (en) * | 2017-04-27 | 2017-09-01 | 苏州春兴精工股份有限公司 | A kind of preparation technology of semi-solid-state metal slurry |
| CN107457373A (en) * | 2017-08-28 | 2017-12-12 | 广东工业大学 | A kind of device and its implementation for preparing semi solid slurry |
| CN111375748A (en) * | 2018-12-28 | 2020-07-07 | 井冈山大学 | Vibration slope casting device |
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Application publication date: 20100901 |