CN104745843B - Device and method for preparing and rheoforming automatic alloy rheological slurry - Google Patents
Device and method for preparing and rheoforming automatic alloy rheological slurry Download PDFInfo
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Abstract
The invention relates to a device and a method for preparing and rheoforming automatic alloy rheological slurry, and belongs to the fields of metal materials and processing and forming. The device mainly comprises an alloy smelting device, a melt conveying device, a melt processing device, an automatic control device and a forming device, wherein the alloy smelting device is a resistance smelting furnace; the melt conveying device comprises a crucible and a mechanical hand; the melt processing device comprises a melt processing cavity, an electromagnetic stirring device and a core rod; the automatic control device comprises a stirring control device and a mechanical control device; the forming device is an extrusion casting machine, a casting machine and other forming equipment; the alloy melt is filled into the crucible from the resistance smelting furnace through the mechanical hand, moved to the melt processing device in a directional manner to stir and process, and moved and poured into the forming device to perform forming processing in the directional manner. The metal melt forming component obtained by the method disclosed by the invention is fine and uniform in tissue, the casting defects are reduced, the performances are improved, the production efficiency of the product is improved, and the product cost is greatly reduced.
Description
Technical field
The present invention relates to the apparatus and method of a kind of automation electromagnet stirring rheological slurry preparation and rheoforging, category
In metal material and its shape technical field.
Background technology
The refinement of solidified structure, homogenization are to improve the key link of metal material performance and quality, are to realize metal material
The technical foundation of the nearly end form forming of material short route.But limited by the intrinsic coagulating property of metal material, tissue is generally in
The characteristic distributions in existing " three crystal zones ", there are problems that coarse grains, component segregation, to large volume alloy melt
It is particularly evident for solidification.Therefore, how to obtain tiny, rounding, equally distributed solidified structure to be always material scholars and grind
The hot issue studied carefully.For this problem in science, attempt both at home and abroad using applying outfield（Electromagnetic agitation, mechanical agitation, ultrasound
Vibrations, airflow stirring etc.）Intervene the process of setting of alloy melt, make alloy melt produce strong disturbance by applying outfield, promote
Make the temperature field of alloy melt, more uniform into branch, and then make alloy melt a large amount of forming cores simultaneously in the range of whole melt,
So as to realize the precise control to alloy melt solidified structure, the solidified structure of fine uniform, final crystal grain thinning tissue are obtained.
Electromagnetic stirring method have the high density and spatter property of energy, superior response and controllability, be easy to automation,
The advantages of capacity usage ratio is high, so taking the lead in realizing industrialization and obtaining relatively broad business application.United States Patent (USP) 4434837
With 4229210 and Chinese patent 200420112702.0,200510086377.4 and 201220715064.6 all discloses several
The electromagnetic agitation method of alloy pulp or blank is prepared, its cardinal principle is to produce alloy melt using strong electromagnetic agitation
Flowing, obtains relatively uniform temperature field and into branch, the grain structure of final refining alloy.But due to the collection of electromagnetic induction
The presence of skin effect causes stirring action to be only focusing only on the thin layer of a very little on surface, and makes the large-area molten metal in center
Mixing effect is very poor, so that molten metal cannot obtain uniform stirring, the temperature field of the alloy melt from center portion to edge
Uneven with composition field distribution, frequency is higher, and kelvin effect is more obvious, and the distance apart from section extexine is bigger, then induced electricity
The decay of stream is more violent.Therefore most of electromagnetic mixing apparatus and method are to take the low-frequency method of drop to weaken collection skin effect
Should, but low frequency not only reduces stirring intensity, while converter plant need to be set up, can increase equipment investment cost, increases
The preparation cost of alloy pulp.Chinese patent 200810116181 proposes a kind of circular seam type electromagnetic mixing apparatus and method, should
Device places a plug in melt center portion, forms melt gap, in the adjustable circular seam type pulping system of stirring gap width
Realize the stirring of slurry.Circumferential weld not only avoids the relatively low part of magnetic induction intensity, can be prevented effectively from electromagnetic induction Kelvin effect
The inhomogeneities of caused mixing power, by alternating electromagnetic field Kelvin effect inferior position advantage is changed into, and makes full use of Kelvin effect layer
The high advantage of magnetic induction intensity, while the area of dissipation of melt center portion is increased, the more uniform temperature field for obtaining slurry
With into branch, uniform stirring just can be realized using power current, therefore reduce frequency conversion equipment, reduce cost.But due to
The limited width in gap, can only process small size melt, and melt treatment amount is limited, while the inherent characteristic of electromagnetic agitation, electromagnetism
Power is in the melt that by circumferentially distributed, the flowing of melt is also to move in the circumferential direction, based on laminar flow, this just inevitable product
The thermograde and component gradient being distributed radially and axially is given birth to.United States Patent (USP) 5135564 it is also proposed a kind of similar electricity
Magnetic mixing plant and method, the equipment is mainly the magnetic field by rotating and plug moving up and down to control stirring for melt
Mix, avoid melt and radiated by the less place of electromagnetic force and increase melt, but the Melt Stirring effect produced by electromagnetic agitation
Fruit all moves in the circumferential direction, based on laminar flow, it is difficult to the radial and axial flowing of melt is produced, it is also just same inevitable
The thermograde and component gradient being distributed radially and axially is generated, though can to strengthen melt upper and lower for the plug for moving up and down
Flowing, but effect is limited, while the equipment is considerably complicated, operating difficulties, production cost is higher.
Churned mechanically advantage is that shear rate is high, stirring intensity is big, makes liquid metal produce violent turbulent flow, obtain compared with
For uniform temperature field and into branch.United States Patent (USP) 6745818B1 and Chinese patent 201310026955.X and
It is essentially all using by motor belt motor 201110339603.0 all disclosing the apparatus and method of several mechanical agitation melt treatments
Dynamic puddler obtains uniform temperature field and into branch, thinning microstructure realizing the agitation of melt.But weak point is that machinery is stirred
Mix bar and mostly be metal material, easy contaminated melt brings impurity into, while mechanical stirring device is easily corroded, consume high, the life-span
Short, maintenance rate is high, is not suitable for the production of high-volume part, while mixing plant is huge, high cost.
It is low that the advantage of ultrasonic vibration is mainly equipment cost, makes metal bath produce convection current, formed uniform temperature field and
Into branch, thinning microstructure.Chinese patent 200910061766.X, 200710168664.9 and 200710168738.9 propose several
Plant the apparatus and method of ultrasonic vibration.But weak point is that acoustic wave energy decay is violent, Ultrasonic probe seriously corroded.
The advantage of Gas Stirring method is also that equipment is relatively simple, can produce certain melt disturbance, is obtained relatively uniform
Temperature field and into branch, thinning microstructure.United States Patent (USP) 6645323B2 and Chinese patent 201310101881.1 propose several gas
The equipment of body stirring.But weak point is relatively low for the stirring intensity of gas, and the uniformity of metal bath is difficult to reach very
It is good, especially for large volume melt.
The stir process of melt can also be realized in combination with two or more above-mentioned melt treating methods, is strengthened melt and is stirred
The intensity mixed, obtains more uniform temperature field and into branch, and then obtains more tiny tissue.Japan Patent 2000-
The apparatus and method that 190051A, Chinese patent 200910272841.7 and 200510046936.9 propose several composite stirrings.
But these apparatus and method simply simply combine two or more agitating modes, though stirring effect can be improved
Really, but the inherent defect of every kind of stirring means is not eliminated, still exist.For example Japan Patent 2000-190051A, carries
Go out a kind of electric magneto-mechanical composite stirring method, though the intensity of Melt Stirring can be strengthened, obtain more uniform temperature field
With into branch, but mechanical agitation plug still need using metal material in order to realize with motor connection stirring, hold
Easily contaminated melt, brings impurity into, while being easily corroded, can only process the relatively low alloy melt of the fusing points such as aluminium alloy, processes gold
Category melt limitednumber, consumes high, and short life, maintenance rate is high, is not suitable for the production of high-volume part, and mechanical stirring equipment is complicated
It is huge, high cost.
At present most of melt treatments and forming process are substantially by being accomplished manually all in the experimental stage, and this just makes
Into the deficiency of melt treatment precision, finished part rate is low, and production efficiency is low, greatly improves into cost is produced.
The content of the invention
For problem above, it is an object of the invention to provide a kind of automation electromagnet stirring rheological slurry is prepared and flowed
Become the device of shaping.The device just can be merely with electromagnetic mixing apparatus by the mandrel structure with special shape, material simultaneously
Melt electromagnetic agitation and churned mechanically feature are realized, the high density and spatter property of electromagnetic agitation energy, superior is combined
Response and controllability, be easy to automation, capacity usage ratio is high and mechanical agitation shear rate is high, stirring intensity is big, make liquid
Metal produces violent turbulent, self-cleaning advantage, overcomes electromagnetic agitation because circumferential movement characteristic and kelvin effect cause
Stirring is uneven and mechanical agitation easily pollutes, perishable and overhaul of the equipments rate is high shortcoming, just can be with using power current
Uniform stirring is realized, therefore reduces frequency conversion equipment, reduce cost.Inert gas is passed through using the depassing unit of plug, is solved
The characteristics of whipping process melt of having determined easy volume gas, the gas being passed through also can cause certain stirring action and on melt to melt
Layer is full of inert gas, prevents melt oxidation, and be passed through the inert gas of room temperature that the radiating effect of plug not only can be strengthened,
And the melt heat of melt bottom higher temperature can be taken away and discharge from melt top, make melt temperature more uniform,
Realize simultaneously from melt collection, the full process automatization of melt treatment to melt forming control, the device not only can be processed
Conventional aluminium alloy, magnesium alloy fused mass, can also process the alloy melts such as copper alloy, kirsite, titanium alloy and its particle strengthens
Metal-base composites.
A kind of Automated alloy rheological slurry prepare and rheoforging device, the device mainly by alloy melting device,
Melt conveying device, melt treatment device, automatic control device and shaped device composition.
Described alloy melting device is melting resistance furnace；
Described melt conveying device includes crucible and manipulator, for alloy melt in smelting furnace and melt treatment device
Between, and the movement between melt treatment device and rheoforging device；
Described melt treatment device includes melt treatment cavity, electromagnetic mixing apparatus and plug etc., and described electromagnetism is stirred
Device is mixed installed in the edge of melt treatment cavity, described plug is arranged on the center of melt treatment cavity, described melt
The lower end of process chambers arrange for crucible into and out outlet；
Described automatic control device includes mixing control device（Automatic, stopping stirring）With manipulator control dress
Put, described mixing control device includes temperature inductor and thermocouple, is connected by transmission line between the two, thermocouple will
The melt temperature of measurement is sent to temperature inductor, and when melt temperature reaches predetermined start to process temperature, inductor is opened automatically
Dynamic agitating device, when melt temperature drops to predetermined process end temp, is automatically stopped stirring；Manipulator automaton master
Displacement and the upset of automatic control manipulator are wanted, the conveying of alloy melt is realized；
Described shaped device is extrusion casting machine, die casting machine and other formers etc.；
Alloy melt by manipulator, get in crucible by the quantitative dress from melting resistance furnace, and displacement to melt treatment is filled
Put after being stirred, reorientation is moved and pours shaped device into carries out forming processes.
The crucible radius be 80～500mm, be highly 50～500mm, material be austenitic stainless steel, titanium, molybdenum, cobalt,
The nonmagnetic metal material such as chromium, nickel or copper, or graphite, ceramics or the nonmetallic materials such as corundum.
Described electromagnetic mixing apparatus are magnetic stirrer, are the pole of three-phase three when crucible radius is less than 75mm（Three lines
Circle）, it is three pairs of poles of three-phase when crucible radius is less than 150mm more than 75mm（Six coils）, when crucible radius is more than 150mm
For the multipair pole of three-phase（Multi-coil）；Stirring frequency is low frequency, power frequency, intermediate frequency or high frequency.
Described plug is single screw rod plug, is made up of screw rod and screw thread.The screw rod radius ratio crucible radius is little by 5～
50mm, thread depth is 3～47mm, and thread pitch is 20～100mm, and thread cross-section is shaped as isosceles trapezoid, isosceles trapezoid
The acute angle number of degrees are 45～90 °, and screw thread can be single thread, double thread or multi start thread.
The single screw rod plug center portion leaves gas passage, and described gas passage radius is 5～100mm, and passage is always
To at 5～50mm of plug bottom；And multiple ventholes are set in single screw rod plug bottom, it is lazy for being passed through to the inside of melt
Property gas, venthole be located at away from single screw rod plug 5～100mm of lower surface at, outlet pore radius be 0.5～10mm.
Described melt treatment device also includes wireway and inert gas bottle, and described wireway one end is placed in single screw rod
In gas passage inside plug, the other end is connected with inert gas bottle, for being passed through inert gas to the inside of melt, in crucible
Gas is passed through into before process chambers, crucible is removed and terminates ventilation after process chambers.
The material of the single screw rod plug is the nonmagnetic metal materials such as austenitic stainless steel, titanium, molybdenum, cobalt, chromium, nickel or copper,
Or graphite, ceramics or the nonmetallic materials such as corundum.
The manipulator has specific stroke, it is possible to achieve the positioning movement of front, back, left, right, up, down, mobile accuracy
For ± 1mm, while being capable of achieving flip-flop movement, flip angle scope is 0～± 160 °, and manipulator carries crucible dress and takes melt input
The precision of amount is ± 50g；The temperature control precision of melting resistance furnace is ± 5 DEG C.It is clamping between manipulator and crucible, it is possible to
The crucible of control different radii size.
The device of the present invention can be used to process aluminium alloy, magnesium alloy, copper alloy, kirsite, titanium alloy or their particle
Enhanced metal-base composites.
Based on said apparatus, proposition a kind of automation electromagnet stirring rheological slurry preparation of the invention and rheoforging
Method, comprises the steps：The manipulator for adjusting carrying crucible by automaton is moved at melting resistance furnace, is passed through
Adjust the angle of inclination of crucible and quantitatively move up and down the melt amount for adjusting input, move to have been switched on depassing unit afterwards
The center of melt treatment cavity, makes single screw rod plug be located in crucible, and electromagnetic mixing apparatus are located at the outside of crucible, by heat
In galvanic couple insertion melt, the incoming temperature inductor of melt temperature surveyed, when temperature reaches predetermined melt start to process temperature,
Automatically electromagnetic agitation process is carried out to alloy melt, when melt temperature drops to predetermined melt treatment end temp, inductor is certainly
Dynamic to stop stirring, the manipulator for subsequently carrying crucible removes melt treatment cavity, terminates ventilation, and displacement is to shaped device
Place, automatically adjusts crucible upset, and melt is poured into into mould, carries out the place of die casting, extrusion casint or other molding modes
Reason.
Compared with prior art, advantages of the present invention includes：
（1）Compare with mechanical agitation with traditional electromagnetic agitation, it is only sharp by the mandrel structure with special shape, material
Melt electromagnetic agitation and churned mechanically feature just can be simultaneously realized with electromagnetic mixing apparatus, the height of electromagnetic agitation energy is combined
Density and spatter property, superior response and controllability, it is easy to that automation, capacity usage ratio be high and mechanical agitation shear rate
High, stirring intensity is big, make liquid metal produce violent turbulent, self-cleaning advantage, overcomes electromagnetic agitation due to circumferential fortune
Stirring that dynamic characteristic and kelvin effect cause is uneven and mechanical agitation easily pollutes, perishable and overhaul of the equipments rate is high lacks
Point, realizes circumferential, the radial and axial turbulent motion of melt in whole melt volume, is passed through using the depassing unit of plug
Inert gas, the characteristics of solve whipping process melt easy volume gas, the gas being passed through also can cause certain stirring to make to melt
With and on melt upper strata be full of inert gas, prevent melt oxidation, and be passed through the inert gas of room temperature that core not only can be strengthened
The radiating effect of rod, and the melt heat of melt bottom higher temperature can be taken away and discharge from melt top, make melt
Temperature is more uniform, finally makes alloy melt in the range of whole melt while a large amount of forming cores, solidifying to alloy melt so as to realize
Gu the precise control of tissue, obtains the solidified structure of fine uniform, final crystal grain thinning tissue reduces the casting such as pore and lacks
Fall into, improve the mechanical property of part.The present invention just can realize uniform stirring using power current, therefore reduce frequency conversion
Equipment, reduces cost.
（2）Conventional aluminium alloy can only be processed with traditional electromagnetic agitation and mechanical stirring device to compare with magnesium alloy, should
Device not only can process conventional aluminium alloy, magnesium alloy fused mass due to the selection of plug special material, can also process copper conjunction
The alloy melts such as gold, kirsite, titanium alloy and its enhanced metal-base composites of particle.
（3）Compared with traditional melt treatment and forming process, the arrangement achieves from melt collect, melt treatment is to molten
Body formed full process automatization control, melt treatment high precision, finished part rate is high, and production efficiency is high, into product cost significantly
Reduce.
Metal bath forming part fine microstructures, uniform are processed to obtain by the present invention, performance is greatly improved, while carrying significantly
High product production efficiency, is greatly lowered product cost.
Description of the drawings
Fig. 1 is the schematic device of the preparation of novel automatic electromagnetic agitation rheological slurry and rheoforging.
Fig. 2 is melt treatment device schematic cross-section.
Fig. 3 is single screw rod core bar device schematic diagram.
Fig. 4-1 to Fig. 4-3 is that automation electromagnet stirring rheological slurry is prepared and rheoforging process schematic, its
In, Fig. 4-1：Melt automatic ration is collected；Fig. 4-2：Melt is automatically processed；Fig. 4-3：Melt is automatically injected rheoforging chamber.
Main Reference Numerals explanation：
Specific embodiment
As shown in figure 1, the Automated alloy rheological slurry preparation of the present invention and the device of rheoforging, mainly by melt
Reason device, melt conveying device, Automated condtrol cabinet, alloy melting device and shaped device composition.
As shown in Fig. 2 melt treatment device mainly includes melt treatment cavity 1, magnetic stirrer 10 and with special form
Shape, material simultaneously carry the composition such as single screw rod plug 9 of depassing unit, and magnetic stirrer 10 is arranged on the side of melt treatment cavity 1
Edge, single screw rod plug 9 is arranged on the center of melt treatment cavity 1, and the lower end of melt treatment cavity 1 arranges and is available for crucible 5 to move into
Or the outlet for removing.Melt treatment device not only can process conventional aluminium alloy, magnesium alloy fused mass, can also process copper conjunction
The alloy melts such as gold, kirsite, titanium alloy and its enhanced metal-base composites of particle.
Magnetic stirrer device 10 is the pole of three-phase three when the radius of crucible 5 is less than 75mm（Three-winding）, when the radius of crucible 5 is more than
75mm and be three pairs of poles of three-phase when being less than 150mm（Six coils）, it is the multipair pole of three-phase when the radius of crucible 5 is more than 150mm（It is multi-thread
Circle）；Stirring frequency not only can be low frequency, can also be power frequency, intermediate frequency even high frequency.
As shown in figure 3, single screw rod plug 9 is made up of screw rod 12 and multiple screw threads 13,14.The radius ratio crucible 5 half of screw rod 12
Little 5～the 50mm in footpath, screw thread 13,14 height are 3～47mm, and screw thread 13,14 20～100mm of pitch, thread cross-section is shaped as
Waist is trapezoidal, and the isosceles trapezoid acute angle number of degrees are 45～90 °, and screw thread can be single thread, double thread or multi start thread.Single screw rod core
Gas passage 15 is left inside rod 9, channel radius are 5～100mm, and passage is until apart from single screw rod plug 5～50mm of bottom
Place, and multiple ventholes are set in single screw rod plug bottom, for being passed through inert gas to the inside of melt, venthole 16 be located at away from
At the 5～100mm of lower surface of single screw rod plug 9, the radius of venthole 16 is 0.5～10mm.The one end of wireway 3 is located at single screw rod plug
In gas passage inside 9, the other end is connected with inert gas bottle 2.The material of single screw rod plug 9 be austenitic stainless steel, titanium,
The nonmagnetic metal material such as molybdenum, cobalt, chromium, nickel or copper, or graphite, ceramics or the nonmetallic materials such as corundum.By special shape, material
The single screw rod mandrel structure of matter just realizes melt electromagnetic agitation and churned mechanically feature simultaneously merely with electromagnetic mixing apparatus,
Alloy melt is processed by Strong shear, circumferential, the radial and axial turbulent motion of melt realized in whole melt volume,
Finally give in whole melt volume equally distributed temperature field and into branch；The automatic degasification of melt, anti-oxidation is realized simultaneously
And automatically cleaning, and uniform stirring just can be realized using power current, therefore frequency conversion equipment is reduced, reduce cost.
Melt conveying device is mainly made up of the manipulator 4 of carrying crucible 5, is passed through by the manipulator 4 of particular design stroke
Control crucible 5 is realized from " melt quantitative collection ", the full process automatization control of " melt is automatically processed " to " melt automatic casting "
System.Manipulator 4 has specific stroke, it is possible to achieve the positioning movement of front, back, left, right, up, down, and mobile accuracy is ± 1mm,
Flip-flop movement is capable of achieving simultaneously, and flip angle scope is 0～± 160 °.The carrying crucible 5 of manipulator 4 is capable of achieving melt and is accurately input into
Amount, precision is ± 50g.The radius of crucible 5 be 80～500mm, be highly 50～500mm, material be austenitic stainless steel, titanium, molybdenum,
The nonmagnetic metal material such as cobalt, chromium, nickel or copper, or graphite, ceramics or the nonmetallic materials such as corundum.Manipulator 4 control crucible 5 from
Quantitatively dress takes alloy melt to melting resistance furnace 7, and displacement to melt treatment device is stirred, then reorientation movement
And pour shaped device into and carry out forming processes.
Automated condtrol cabinet is mainly made up of automatic, stopping agitating device and manipulator automaton.Automatically
It is the temperature inductor with temp monitoring function to start agitating device and be automatically stopped agitating device, and thermocouple 11 is by melt temperature
Degree is sent to temperature inductor, and when melt temperature reaches predetermined start to process temperature, melt is worked as in the stirring of inductor automatic
When temperature drops to predetermined end treatment temperature, stirring is automatically stopped.The main automatic control manipulator 4 of manipulator automaton
Displacement and upset, realize alloy melt collection, process and pour into a mould.
Alloy melting device is melting resistance furnace 7, and temperature accuracy is controlled at ± 5 DEG C.
Rheoforging device is extrusion casting machine, die casting machine and other formers etc..Metal is processed to obtain by the present invention
Melt forming part fine microstructures, uniform, performance is greatly improved, while greatly improving production efficiency, product is greatly lowered
Product cost.
Based on said apparatus, the manipulator 4 for adjusting carrying crucible 5 by automaton moves to temperature precise control
Melting resistance furnace 7 at, by adjust crucible 5 angle of inclination and quantitatively move up and down the accurate input for realizing melt amount, it
Afterwards, to the ad-hoc location of the melt treatment cavity 1 for having been switched on depassing unit, temperature inductor is by inserting in melt for accurate movement
The incoming melt temperature of thermocouple 11, when temperature reaches predetermined process started temperature, automatically electromagnetism is carried out to alloy melt and is stirred
Process is mixed, when melt temperature drops to predetermined process end temp, the thermocouple 11 inserted in melt is incoming by melt temperature value
Temperature inductor, inductor is automatically stopped stirring, and the manipulator 4 for subsequently carrying crucible 5 removes melt treatment cavity 1, stops logical
Gas, and move at shaped device, automatically adjust crucible 5 and overturn, melt is accurately poured into mould, carry out die casting, squeeze
Die casting is made or other molding modes are processed.
As shown in Fig. 4-1, the manipulator 4 for adjusting carrying crucible 5 by automaton moves to temperature precise control
Melting resistance furnace 7 at, by adjust crucible 5 angle of inclination and quantitatively move down the accurate input for realizing melt amount；It
Afterwards as shown in the Fig. 4-2, crucible 5 carries the certain bits that melt accurately enters into the melt treatment cavity 1 for having been switched on depassing unit
Put, melt temperature is sent to temperature inductor by thermocouple 11 immediately, when melt temperature reaches predetermined process started temperature, temperature
Degree inductor automatic is processed the electromagnetic agitation of alloy melt, when melt temperature drops to predetermined process end temp, temperature
Degree inductor can be automatically stopped stirring, and melt treatment terminates；Subsequently as shown in Fig. 4-3, the manipulator 4 of carrying crucible 5 exits molten
Body processing meanss, terminate ventilation, and are automatically moved at rheoforging device, and automatic turning crucible 5 accurately pours into melt
To rheoforging injection chamber 8, carry out die casting, extrusion casint or other molding modes and process.
Claims (10)
1. a kind of Automated alloy rheological slurry prepare and rheoforging device, it is characterised in that：It is main to be filled by alloy melting
Put, melt conveying device, melt treatment device, automatic control device and shaped device are constituted；Described alloy melting device
For melting resistance furnace；Described melt conveying device includes crucible and manipulator；Described melt treatment device is included at melt
Reason cavity, electromagnetic mixing apparatus and plug, described plug is single screw rod plug, and single screw rod plug is by screw rod and multiple screw thread structures
Into leaving gas passage, the little 5～50mm of screw rod radius ratio crucible radius, described electromagnetic agitation inside the single screw rod plug
Device is arranged on the edge of melt treatment cavity, and described plug is arranged on the center of melt treatment cavity, at described melt
Reason cavity lower end arrange for crucible into and out outlet；Described automatic control device include mixing control device and
Manipulator controller, described mixing control device includes temperature inductor and thermocouple, between the two by transmission line
It is connected；The displacement of manipulator automaton automatic control manipulator and upset；Described shaped device is extruding casting
Make machine, die casting machine and other formers；Alloy melt is filled from melting resistance furnace by manipulator and got in crucible, and orientation is moved
Move to melt treatment device after being stirred, reorientation is moved and pours shaped device into carries out forming processes.
2. Automated alloy rheological slurry according to claim 1 prepare and rheoforging device, it is characterised in that：Institute
The electromagnetic mixing apparatus stated are the pole of three-phase three, three pairs of poles of three-phase or the multipair pole of three-phase；Stirring frequency be low frequency, power frequency, intermediate frequency or
High frequency.
3. Automated alloy rheological slurry according to claim 1 prepare and rheoforging device, it is characterised in that：Institute
The thread depth stated is 3～47mm, and thread pitch is 20～100mm, and thread cross-section is shaped as isosceles trapezoid, and isosceles trapezoid is sharp
Angle number is 45～90 °, and screw thread is single thread, double thread or multi start thread.
4. Automated alloy rheological slurry according to claim 3 prepare and rheoforging device, it is characterised in that：Institute
The gas passage radius stated is 5～100mm, and passage is until at single screw rod plug 5～50mm of bottom；And in single screw rod core
Rod bottom arranges multiple ventholes, and venthole is located at away from single screw rod plug 5～100mm of lower surface at, outlet pore radius for 0.5～
10mm。
5. Automated alloy rheological slurry according to claim 4 prepare and rheoforging device, it is characterised in that：Institute
The melt treatment device stated also includes wireway and inert gas bottle, and described wireway one end is placed in inside single screw rod plug
In gas passage, the other end is connected with inert gas bottle.
6. Automated alloy rheological slurry according to claim 4 prepare and rheoforging device, it is characterised in that：Institute
The material for stating single screw rod plug is austenitic stainless steel, titanium, molybdenum, cobalt, chromium, nickel, copper, graphite, ceramics or corundum.
7. Automated alloy rheological slurry according to claim 1 prepare and rheoforging device, it is characterised in that：Institute
The crucible radius stated be 80～500mm, be highly 50～500mm, material be austenitic stainless steel, titanium, molybdenum, cobalt, chromium, nickel, copper,
Graphite, ceramics or corundum.
8. Automated alloy rheological slurry according to claim 1 prepare and rheoforging device, it is characterised in that：Institute
The precision of the manipulator positioning movement stated is ± 1mm, and flip angle scope is 0～± 160 °；Described manipulator carries crucible
It is ± 50g that dress takes the precision of melt input quantity；The temperature accuracy of described melting resistance furnace is ± 5 DEG C.
9. Automated alloy rheological slurry preparation according to any one of claim 1-8 and the device of rheoforging,
Process answering in aluminium alloy, magnesium alloy, copper alloy, kirsite, titanium alloy or the enhanced metal-base composites of their particle
With.
10. a kind of method of Automated alloy rheological slurry preparation and rheoforging, comprises the steps：By automatically controlling dress
The manipulator for putting regulation carrying crucible is moved at melting resistance furnace, by adjusting the angle of inclination of crucible and quantitatively moving up and down
The melt amount that dress takes is adjusted, the center of the melt treatment cavity for having been switched on depassing unit is moved to afterwards, make single screw rod
Plug is located in crucible, and electromagnetic mixing apparatus are located at the outside of crucible, and thermocouple is inserted in melt, and the melt temperature surveyed is passed
Enter temperature inductor, when temperature reaches predetermined melt start to process temperature, automatically electromagnetic agitation process carried out to alloy melt,
When melt temperature drops to predetermined melt treatment end temp, inductor is automatically stopped stirring, subsequently carries the manipulator of crucible
Melt treatment cavity is removed, and is moved at shaped device, automatically adjust crucible upset, melt is poured into into mould, entered
The process of row die casting, extrusion casint or other molding modes.
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| CN104745843B true CN104745843B (en) | 2017-04-19 |
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| CN105127398B (en) * | 2015-09-09 | 2018-02-23 | 东莞市隆盛智能装备有限公司 | Multi-station full-automatic feeding device |
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| CN110586901A (en) * | 2019-10-30 | 2019-12-20 | 华南理工大学 | Liquid supply method and device for extrusion casting of large aluminum alloy parts |
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