CN104190906A - Contamination-free and high-efficient device for thinning titanium aluminum alloy - Google Patents
Contamination-free and high-efficient device for thinning titanium aluminum alloy Download PDFInfo
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- CN104190906A CN104190906A CN201410508716.2A CN201410508716A CN104190906A CN 104190906 A CN104190906 A CN 104190906A CN 201410508716 A CN201410508716 A CN 201410508716A CN 104190906 A CN104190906 A CN 104190906A
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Abstract
The invention relates to a contamination-free and high-efficient device for thinning titanium aluminum alloy, particularly to a device for thinning the titanium aluminum alloy. The invention aims to solve the problems that the conventional ultrasonic wave equipment cannot be used in the casting process of the titanium aluminum alloy, the reaction between the titanium aluminum melt and the molded case is serious when ultrasonic vibration is conducted, and the ultrasonography equipment cannot be used for treating the titanium aluminum alloy melt in the electromagnetic induction casting. The device comprises a tank body, a vacuum pump, an ultrasonic generator, ultrasonic wave oscillation equipment and titanium aluminum alloy melt smelting equipment, wherein the ultrasonic wave oscillation equipment comprises an upper feed transmission device, a connecting rod, an insulation washer, an energy converter, a fixing rack, an aluminum alloy amplitude transformer and a T8 steel tool head, and the titanium aluminum alloy melt smelting equipment comprises coils, an adamantine spar pipe, a mullite fibre layer, a molded case, a bar stock layer, a graphite felt and a lower fixing rod. The device can be used in the field of titanium aluminum alloy thinning with the characteristics of contamination-free and high-efficient.
Description
Technical field
The present invention relates to a kind of pollution-free high-efficient refinement alloy device, relate in particular to titanium-aluminium alloy device for thinning.
Background technology
Ultrasonic wave, as new melt treatment technology, has pollution-free, high efficiency, meets present science and technology and the social development requirement to environmental protection, reusable edible material.Ultrasonic wave wants to be incorporated in melt as mechanical wave, must middle there is transmitting medium, according to the difference of medium, can be divided into direct introducing and indirectly introduce, directly introducing and refer to that Ultrasonic probe direct effect is to melt, indirectly introducing and refer between Ultrasonic probe and melt have intermediate medium.If according to the position of the mode of introducing, can be divided into top introducing, lateral leadin and bottom introduces, the most directly, the mode of the simplest ultrasonic wave introducing melt is that method is introduced on top, this mode is introduced most effective, but owing to directly contacting with metal liquid, therefore higher to tool heads requirement, not only can be high temperature resistant, but also to there is heat endurance and higher fatigue at high temperature intensity.Bottom and sidepiece are introduced hyperacoustic method, are by mould arm, ultrasonic wave and ultrasonic vibration to be conducted to melt, this part ultrasonic wave of will certainly decaying, and loss part energy, needs more powerful ultrasonic wave just can reach ideal effect.At present, ultrasonic wave has been referred to middle high low-temperature alloy field, as: Sn-Sb alloy use ultrasonic wave to process after obviously refinement crystal grain; In addition, the processing of ultrasonic wave to fine aluminium, can make solidified structure change equiax crystal into by column crystal, and makes its intensity improve 35%, and hardness is also improved accordingly; Also have ultrasonic wave to process T10 steel, the average-size of the T10 steel after processing is reduced to 315 μ m by 820 μ m, and degree of refinement can reach 61%, etc.Have above-mentioned report visible, ultrasonic wave is being widely applied aspect metal bath processing.But in titanium-aluminium alloy casting process, because the chemism of titanium-aluminium alloy is very strong, almost all react with all potteries and graphite, vacuum system and magnetic field environment make ultrasonic wave be difficult to import in titanium-aluminium alloy melt.
Summary of the invention
The object of the invention is has pollution, ultrasonic wave cannot propagate in vacuum titanium-aluminium alloy casting process when solving existing titanium-aluminium alloy structure refinement, especially in electromagnetic induction founding, cannot use ultrasonic device to process titanium-aluminium alloy melt problem, to solve ultrasonic energy, propagate, under high temperature, titanium-aluminium alloy reacts with formwork, pollute titanium-aluminium alloy melt, damage the problem of ultrasonic equipment, and a kind of pollution-free high-efficient refinement titanium-aluminium alloy device is provided.
A pollution-free high-efficient refinement titanium-aluminium alloy device, it comprises following part:
Tank body, vavuum pump, supersonic generator, supersonic oscillations equipment and titanium-aluminium alloy melt smelting equipment;
Wherein, described supersonic oscillations equipment comprises feed gearing, connecting rod, felt pad, transducer, fixed mount, aluminium alloy luffing bar and T8 steel tool heads;
Wherein, described titanium-aluminium alloy melt smelting equipment comprises coil, alundum tube, mullite fiber layer, formwork, bar layer, graphite felt and lower fixed bar;
Described upper feed gearing is fixed on the upper middle part of tank body, described lower fixed bar is fixed on the lower middle part of tank body, the center of described upper feed gearing and lower fixed bar point-blank, described vavuum pump is arranged on the sidewall of tank body, described connecting rod one end is connected with upper feed gearing by bolt, the described connecting rod other end is connected with fixed mount, described felt pad is positioned at the centre of the upper cover of fixed mount, contact with the binding post of transducer, described fixed mount is bolted and covers on transducer, described aluminium alloy luffing device one end is fixedly connected with transducer, the described amplitude transformer other end is fixedly connected with T8 steel tool heads,
On described lower fixed bar, be fixed with graphite felt, in described graphite felt, be fixed with alundum tube, described alundum tube outside is tied with coil, and described alundum tube inside is wrapped with formwork, described formwork inside is filled with bar layer, in the space in the middle of described formwork and alundum tube, is filled with mullite fiber layer.
Operation principle:
Superiority of the present invention is to have solved in titanium-aluminium alloy that ultrasonic wave is introduced problem and ultrasonic equipment at high temperature react with titanium-aluminium alloy, pollutes titanium-aluminium alloy melt, and the problem of damage ultrasonic equipment, makes ultrasonic equipment reusable.
Described supersonic generator 16 produces the electric oscillation signal that frequency is 20KHz, through ultrasonic wave output cable, be transmitted to transducer 5, by transducer 5, the signal of telecommunication be transformed into mechanical oscillation and drive fixed mount 6, connecting rod 3 and the common operating position that regulates supersonic oscillations equipment of upper feed gearing 2;
The amplitude of described mechanical oscillation is about 7～9 μ m, amplitude after aluminium alloy luffing bar 7 by Amplitude amplification to 17.5 μ m～22.5 μ m, after amplification, by T8 steel tool heads 8, ultrasonic wave is derived, ul-trasonic irradiation is on the bar layer 13 of melting; What wherein ultrasonic transformer 7 adopted is aluminium alloy, and tool heads 8 considers that its residing environment is harsher, therefore select T8 steel making, described transducer 5 is Piezoelectrics;
By alundum tube 10, mullite fiber 11, formwork 12, bar layer 13, be that titanium-aluminium alloy melt smelting equipment is put in the electromagnetic cold crucible of coil 9 representatives, superiority of the present invention is that connecting rod 3, felt pad 4, transducer 5, fixed mount 6, aluminium alloy luffing bar 7, T8 steel tool heads 8 have formed the supersonic oscillations equipment working portion of a whole set of ultrasonic generator, solves ultrasonic wave in titanium-aluminium alloy and introduces problem; The center of the melting part that coil 9, alundum tube 10, mullite fiber layer 11, formwork 12, bar layer 13 form, can make eddy-current heating efficiency reach the highest substantially point-blank like this; Wherein the advantage of mullite fiber is to have good heat insulation function; Formwork composition is yittrium oxide, for not reacting with titanium-aluminium alloy under high temperature, and contaminated solution titanium-aluminium alloy melt, the problem of damage ultrasonic equipment, makes ultrasonic equipment reusable.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of apparatus of the present invention;
Fig. 2 is the partial enlarged drawing in figure I.
The specific embodiment
The specific embodiment one: a kind of pollution-free high-efficient refinement titanium-aluminium alloy device of present embodiment, it comprises following part:
Tank body 1, vavuum pump 17, supersonic generator 16, supersonic oscillations equipment and titanium-aluminium alloy melt smelting equipment;
Wherein, described supersonic oscillations equipment comprises feed gearing 2, connecting rod 3, felt pad 4, transducer 5, fixed mount 6, aluminium alloy luffing bar 7 and T8 steel tool heads 8;
Wherein, described titanium-aluminium alloy melt smelting equipment comprises coil 9, alundum tube 10, mullite fiber layer 11, formwork 12, bar layer 13, graphite felt 14 and lower fixed bar 15;
Described upper feed gearing 2 is fixed on the upper middle part of tank body 1, described lower fixed bar 15 is fixed on the lower middle part of tank body 1, described upper feed gearing 2 and lower fixed bar 15 center are point-blank, described vavuum pump 16 is arranged on the sidewall of tank body 1, described connecting rod 3 one end are connected with upper feed gearing 2 by bolt, described connecting rod 3 other ends are connected with fixed mount 6, described felt pad 4 is positioned at the centre of the upper cover of fixed mount 6, contact with the binding post of transducer 5, described fixed mount 6 is bolted and covers on transducer 5, described aluminium alloy luffing device 7 one end are fixedly connected with transducer 5, described amplitude transformer 7 other ends are fixedly connected with T8 steel tool heads 8,
On described lower fixed bar 15, be fixed with graphite felt 14, in described graphite felt 14, be fixed with alundum tube 10, described alundum tube 10 outsides are tied with coil 9, described alundum tube 10 inside are wrapped with formwork 12, described formwork 12 inside are filled with bar layer 13, in the space in the middle of described formwork 12 and alundum tube 10, are filled with mullite fiber layer 11.
Operation principle:
Superiority of the present invention is to have solved in titanium-aluminium alloy that ultrasonic wave is introduced problem and ultrasonic equipment at high temperature react with titanium-aluminium alloy, pollutes titanium-aluminium alloy melt, and the problem of damage ultrasonic equipment, makes ultrasonic equipment reusable.
Described supersonic generator 16 produces the electric oscillation signal that frequency is 20KHz, through ultrasonic wave output cable, be transmitted to transducer 5, by transducer 5, the signal of telecommunication be transformed into mechanical oscillation and drive fixed mount 6, connecting rod 3 and the common operating position that regulates supersonic oscillations equipment of upper feed gearing 2;
The amplitude of described mechanical oscillation is about 7～9 μ m, amplitude after aluminium alloy luffing bar 7 by Amplitude amplification to 17.5 μ m～22.5 μ m, after amplification, by T8 steel tool heads 8, ultrasonic wave is derived, ul-trasonic irradiation is on the bar layer 13 of melting; What wherein ultrasonic transformer 7 adopted is aluminium alloy, and tool heads 8 considers that its residing environment is harsher, therefore select T8 steel making, described transducer 5 is Piezoelectrics;
By alundum tube 10, mullite fiber 11, formwork 12, bar layer 13, be that titanium-aluminium alloy melt smelting equipment is put in the electromagnetic cold crucible of coil 9 representatives, superiority of the present invention is that connecting rod 3, felt pad 4, transducer 5, fixed mount 6, aluminium alloy luffing bar 7, T8 steel tool heads 8 have formed the supersonic oscillations equipment working portion of a whole set of ultrasonic generator, solves ultrasonic wave in titanium-aluminium alloy and introduces problem; The center of the melting part that coil 9, alundum tube 10, mullite fiber layer 11, formwork 12, bar layer 13 form, can make eddy-current heating efficiency reach the highest substantially point-blank like this; Wherein the advantage of mullite fiber is to have good heat insulation function; Formwork composition is yittrium oxide, for not reacting with titanium-aluminium alloy under high temperature, and contaminated solution titanium-aluminium alloy melt, the problem of damage ultrasonic equipment, makes ultrasonic equipment reusable.
The specific embodiment two: present embodiment is different from the specific embodiment one: described supersonic generator 16 produces the electric oscillation signal that frequency is 20KHz, through ultrasonic wave output cable, be transmitted to transducer 5, by transducer 5, the signal of telecommunication be transformed into mechanical oscillation and drive fixed mount 6, connecting rod 3 and the common operating position that regulates supersonic oscillations equipment of upper feed gearing 2.
The amplitude of described mechanical oscillation is about 7～9 μ m, amplitude after aluminium alloy luffing bar 7 by Amplitude amplification to 17.5 μ m～22.5 μ m, after amplification, by T8 steel tool heads 8, ultrasonic wave is derived, ul-trasonic irradiation is on the bar layer 13 of melting, what wherein ultrasonic transformer 7 adopted is aluminium alloy, and tool heads 8 considers that its residing environment is harsher, therefore select T8 steel making, described transducer 5 is Piezoelectrics;
Other step and parameter are identical with the specific embodiment one.
The specific embodiment three: present embodiment is different from the specific embodiment one or two: the regulated and controled movement rate scope of described upper feed gearing 2 is 0～20mm/min.
Other step and parameter are identical with the specific embodiment one or two.
The specific embodiment four: present embodiment is different from one of specific embodiment one to three: the yttrium oxide shuttering that be chosen as under high temperature not and the titanium-aluminium alloy of described formwork 12 materials reacts, the large I of formwork 12 is determined according to burner hearth, material and the coil 9 ring-type internal diameter size that surrounds.
Other step and parameter are identical with one of specific embodiment one to three.
The specific embodiment five: present embodiment is different from one of specific embodiment one to four: described coil 9 is to adopt electrical conductivity higher, circular copper tube coiling on punching block that thermal conductivity factor is higher forms, in copper pipe outside, apply epoxy resin and curing agent, and be wound around with asbestos yarn, in power loading procedure, at the interior logical recirculated water of coil 9, carry out cooling simultaneously, coil 9 diameter phi are 45mm, and coil 9 numbers of turn are 8.
Other step and parameter are identical with one of specific embodiment one to four.
The specific embodiment six: present embodiment is different from one of specific embodiment one to five: described mullite fiber layer 11 is for having the mullite of good heat insulation function, and formwork 12 bottoms are used mullite fiber face to paste, and compress.
Other step and parameter are identical with one of specific embodiment one to five.
The specific embodiment seven: present embodiment is different from one of specific embodiment one to six: described formwork 12 is placed on coil 9 centers.Other step and parameter are identical with one of specific embodiment one to six.
Claims (7)
1. a pollution-free high-efficient refinement titanium-aluminium alloy device, is characterized in that it comprises following part:
Tank body (1), vavuum pump (17), supersonic generator (16), supersonic oscillations equipment and titanium-aluminium alloy melt smelting equipment;
Wherein, described supersonic oscillations equipment comprises feed gearing (2), connecting rod (3), felt pad (4), transducer (5), fixed mount (6), aluminium alloy luffing bar (7) and T8 steel tool heads (8);
Wherein, described titanium-aluminium alloy melt smelting equipment comprises coil (9), alundum tube (10), mullite fiber layer (11), formwork (12), bar layer (13), graphite felt (14) and lower fixed bar (15);
Described upper feed gearing (2) is fixed on the upper middle part of tank body (1), described lower fixed bar (15) is fixed on the lower middle part of tank body (1), the center of described upper feed gearing (2) and lower fixed bar (15) point-blank, described vavuum pump (16) is arranged on the sidewall of tank body (1), described connecting rod (3) one end is connected with upper feed gearing (2) by bolt, described connecting rod (3) other end is connected with fixed mount (6), described felt pad (4) is positioned at the centre of the upper cover of fixed mount (6), contact with the binding post of transducer (5), described fixed mount (6) is bolted and covers on transducer (5), described aluminium alloy luffing device (7) one end is fixedly connected with transducer (5), described amplitude transformer (7) other end is fixedly connected with T8 steel tool heads (8),
On described lower fixed bar (15), be fixed with graphite felt (14), in described graphite felt (14), be fixed with alundum tube (10), described alundum tube (10) outside is tied with coil (9), described alundum tube (10) inside is wrapped with formwork (12), described formwork (12) inside is filled with bar layer (13), in the space in the middle of described formwork (12) and alundum tube (10), is filled with mullite fiber layer (11).
2. a kind of pollution-free high-efficient refinement titanium-aluminium alloy device according to claim 1, it is characterized in that described supersonic generator (16) produces the electric oscillation signal that frequency is 20KHz, through ultrasonic wave output cable, be transmitted to transducer (5), by transducer (5), the signal of telecommunication be transformed into mechanical oscillation and drive fixed mount (6), connecting rod (3) and upper feed gearing (2) jointly to regulate the operating position of supersonic oscillations equipment.
3. a kind of pollution-free high-efficient refinement titanium-aluminium alloy device according to claim 2, the regulated and controled movement rate scope that it is characterized in that described upper feed gearing (2) is 0～20mm/min.
4. a kind of pollution-free high-efficient refinement titanium-aluminium alloy device according to claim 3, the yttrium oxide shuttering reacting with titanium-aluminium alloy that is chosen as under high temperature not that it is characterized in that described formwork (12) material, the large I of formwork (12) is determined according to burner hearth, material and coil (9) the ring-type internal diameter size that surrounds.
5. a kind of pollution-free high-efficient refinement titanium-aluminium alloy device according to claim 4, it is characterized in that described coil (9) is to adopt electrical conductivity higher, circular copper tube coiling on punching block that thermal conductivity factor is higher forms, in copper pipe outside, apply epoxy resin and curing agent, and be wound around with asbestos yarn, in power loading procedure, coil (9) in, lead to recirculated water simultaneously and carry out coolingly, coil (9) diameter phi is 45mm, and coil (9) number of turn is 8.
6. a kind of pollution-free high-efficient refinement titanium-aluminium alloy device according to claim 5, is characterized in that described mullite fiber layer (11) is for having the mullite of good heat insulation function, and formwork (12) bottom is used mullite fiber face to paste, and compresses.
7. a kind of pollution-free high-efficient refinement titanium-aluminium alloy device according to claim 6, is characterized in that described formwork (12) is placed on coil (9) center.
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| CN201410508716.2A CN104190906B (en) | 2014-09-28 | 2014-09-28 | A kind of pollution-free high-efficient refinement titanium aluminum alloy device |
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| CN201410508716.2A CN104190906B (en) | 2014-09-28 | 2014-09-28 | A kind of pollution-free high-efficient refinement titanium aluminum alloy device |
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