CN107083497B - A kind of smelting system of alloy - Google Patents
A kind of smelting system of alloy Download PDFInfo
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- CN107083497B CN107083497B CN201710252872.0A CN201710252872A CN107083497B CN 107083497 B CN107083497 B CN 107083497B CN 201710252872 A CN201710252872 A CN 201710252872A CN 107083497 B CN107083497 B CN 107083497B
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/04—Influencing the temperature of the metal, e.g. by heating or cooling the mould
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- Organic Chemistry (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
A kind of smelting system of alloy, including smelting furnace, cooling furnace and the base set gradually from top to bottom, the control system of control whole system work is provided with base, several air channels are in turn divided into cooling furnace furnace chamber from top to bottom, air channel from top to bottom in furnace chamber, which cooperates, forms the cooling zone of mould, wind duct temperature in cooling zone gradually reduces, air channel is passed through Tempeerature-constant air by constant temperature air feed system, during by controlling the temperature of Tempeerature-constant air to control the metallic solution progress heat exchange in Tempeerature-constant air and mould, the cooldown rate of mould；The present invention in the lower section of smelting furnace by setting cooling furnace, and cooling furnace is entered by hydraulic cylinder-controlled molding jig, avoid transhipment mould, while different air channels are set in cooling furnace, cooled down stage by stage in different air channels by mould, so as to realize control cooldown rate.
Description
Technical field
The present invention relates to a kind of smelting apparatus, more particularly, to a kind of smelting system of alloy.
Background technology
It is known, the preparation technologies of metal alloy compositions be by the fusion process of basic material in proportion and the time
Add other various required metal materials, by being taken out after naturally ringing to room temperature in the grinding tool of the fixation then poured, entering
Row machining obtains required alloy material；Because rate of temperature fall is uncontrollable in temperature-fall period, the metallographic group of alloy material
Irregular arrangement is knitted, the material property of final products is unstable.
The content of the invention
The purpose of the present invention is for the uncontrollable problem of rate of temperature fall in temperature-fall period after solution alloy melting, there is provided a kind of
The smelting system of alloy.
To solve the deficiency of above-mentioned technical problem, used technical scheme is the present invention：
A kind of smelting system of alloy, including smelting furnace, cooling furnace and the base set gradually from top to bottom, on base
The control system of control whole system work is provided with, smelting furnace includes the melting chamber and incubation cavity set gradually from top to bottom,
Promising melting chamber is connected on smelting furnace the vacuum system of vacuum melting environment and the intake and exhaust electricity of control vacuum system folding are provided
Magnet valve, the mould for being cooled and shaped alloy is additionally provided with smelting furnace incubation cavity, and it is molten to offer connection immediately below mould
The incubation cavity of furnace and the passage of cooling furnace form switching channel of the mould between smelting furnace and cooling furnace, and switching channel is downward
Extend on base, base, which is located at the underface of switching channel, has dug mounting hole, and hydraulic cylinder, hydraulic pressure are provided with mounting hole
Cylinder cylinder barrel is fixed in mounting hole, and the pallet for support mode is fixed with hydraulic cylinder extension bar end, passes through hydraulic cylinder band
Moving mold pumps in switching channel；
It is in turn divided into several air channels in cooling furnace furnace chamber from top to bottom, the air channel from top to bottom in furnace chamber cooperates
The cooling zone of mould is formed, the wind duct temperature in cooling zone gradually reduces, and air channel is passed through Tempeerature-constant air by constant temperature air feed system,
During by controlling the temperature of Tempeerature-constant air to control the metallic solution progress heat exchange in Tempeerature-constant air and mould, the cooling of mould
Speed；
Dividing plate of the switching channel at the top of each air channel of cooling furnace, each air channel forms door with switching channel intersection
Hole, the door-plate using hydraulic cylinder extension bar as symmetrical centre is installed, the one end of door-plate away from hydraulic cylinder extension bar passes through in aperture of door
Axis of rotation is arranged in the top spacer of air channel, and resetting means, described resetting means are provided with the top of dividing plate where door-plate
Including connecting plate and back-moving spring, connecting plate is arranged on side of the rotating shaft of door-plate away from hydraulic cylinder extension bar, back-moving spring
One end is fixed on connecting plate, and the other end of back-moving spring is fixed on door-plate, passes through the back-moving spring in the top spacer of air channel
Active force tense door-plate make its seal aperture of door, top-opening door plate when being moved up and down by hydraulic cylinder driven mold in switching channel
In order to switch and enter air channel, air channel up and down the distance between two dividing plates not less than the width of door-plate, the height of mould and
The thickness sum of pallet, in order to mould when mould resets into air channel Rear Door under action of reset spring realizes air channel sealing
The reset of door-plate is will not interfere with, door-plate is provided with semicircular groove on one end of hydraulic cylinder extension bar, passes through same door
Two door-plate upper grooves in hole cooperatively form the circular hole that card sets hydraulic cylinder extension bar, and circular hole is fastened on by hydraulic cylinder extension bar
Inside realize the sealing of door-plate, covered with some fan-shaped elastic sealing gaskets on the semi-circular recesses of door-plate, hydraulic cylinder extension bar from
Sector elastic sealing gasket restores to the original state to form semicircular sealant to realize the sealing of groove during open semicircle connected in star.
Funnel is provided with described smelting furnace, funnel lower end is plugged in mould liquid injection pipe, and funnel splits smelting furnace
For melting chamber and incubation cavity, one layer of heat preservation layer is enclosed with the outside of melting chamber, a circle heating coil is provided with the inside of melting chamber,
Melting intracavitary is provided with crucible, the drainage trough to be cooperated with crucible, crucible holder and heating electrode, described crucible holder
The L-shaped L plates in section, crucible holder are fixed on the inwall of smelting furnace, one end that crucible holder is connected away from it with smelting furnace
On be provided with boss, crucible supporting is on crucible holder and crucible bottom one end is rotatably arranged on the boss of crucible holder, earthenware
The other end of crucible bottom is supported on crucible holder by tipple, and the tipple uses electric pushrod, passes through boss
Coordinate control crucible horizontal with electric pushrod, the external part of electric pushrod is hinged on crucible bottom, the other end hinge of electric pushrod
It is connected on crucible holder, the side wall of power line through the smelting furnace of electric pushrod is connected with power supply, and earthenware is promoted by electric pushrod
Crucible is tilted in order to which the metallic solution in crucible is poured out, and drainage trough is fixed on the inwall of smelting furnace and poured out with accepting in crucible
Metallic solution, the least significant end of drainage trough connected with the liquid outlet of funnel, and the one end for heating electrode is connected with heating coil, heating
The side wall of the other end of electrode through smelting furnace is connected with power supply with heating melting crucibles, and mould bears funnel and adds solution position
Attemperator is provided with the smelting furnace inwall at place.
Described attemperator includes insulation coil and insulation electrode, and thermal insulation thread circle surrounds the ring-type knot of mould around forming
Structure, one end of insulation electrode are connected with insulation coil, and the other end of insulation electrode is connected through melting furnace wall with power supply.
Described crucible is cylinder-like structure, and crucible bottom is an inclined-plane, crucible bottom close to liquid outlet one end highest with
It is easy to solution to pour out.
Feeding car is additionally provided with described base, the guide rail of feeding car is laid in first air channel above base,
The mould after being cooled down in air channel is taken out by feeding car.
Described constant temperature air feed system includes some Fans, air heater and air mixer, and air heater is matched somebody with somebody
Close blower fan and form the first air feed system, air mixer coordinates blower fan to form the second air feed system, and the first air feed system is arranged on
At the air intake vent in the top air channel, the first air feed system includes blower fan, air heater and another Fans being sequentially connected, wind
Cold air is first passed through in air heater after heating and is passed through again by another Fans in air channel by machine, the installation of the second air feed system
Next air channel, the second air feed system bag will be passed through between two adjacent air channels after the high temperature air processing of upper air channel discharge
Include the air mixer being connected with a upper duct outlet, be arranged on the porch of air mixer in order to be passed through the wind of cold wind
Machine and air mixer exit and another blower fan being connected with another tunnel inlet are connected to, pass through the first air feed system and
Recycling for hot-air is realized in the cooperation of two air feed systems, and the air outlet positioned at the air channel of bottom is directly opened wide in order to cold
But the mould after takes out.
Described air heater include sealing casing, some first partitions, the first temperature sensor and several add
Hot pin, first partition, which is distributed in casing and housing interior volume is divided into the passage of a S-shaped loop distribution, forms the
One S-shaped passage, the top of the first S-shaped passage offer first passage entrance, and the end of the first S-shaped passage offers first passage
Outlet, heating rod are evenly distributed in each first partition, and the first temperature sensor is arranged on first passage exit, the
One temperature sensor and heating rod are connected with control system, control heating rod work to coordinate the first temperature to pass by control system
The temperature of air is constant in detection the first S-shaped passage of control of sensor.
Described air mixer includes the blender casing, some second partitions, second temperature sensor of a sealing
With several auxiliary hot pins, it is in S that second partition, which is distributed in blender casing and blender housing interior volume is divided into one,
The passage of shape loop distribution forms the second S-shaped passage, and the top of the second S-shaped passage offers second channel entrance, and the second S-shaped is led to
The end in road offers second channel outlet, and auxiliary hot pin is evenly distributed on each second partition, second channel porch
It is additionally provided with air and fills into mouth and mixed in order to enter the high temperature air of intraoral entrance with second channel, second channel exit is set
There is second temperature sensor, second temperature sensor and auxiliary hot pin are connected with control system, and auxiliary heat is controlled by control system
Rod heats and the detection of second temperature sensor coordinates to realize that the temperature of air in the second S-shaped passage is constant.
The beneficial effects of the invention are as follows：The present invention in the lower section of smelting furnace by setting cooling furnace, and by hydraulic cylinder-controlled
Molding jig enters cooling furnace, avoids transhipment mould, while different air channels are set in cooling furnace, by mould in different air channels
It is interior to be cooled down stage by stage, so as to realize control cooldown rate.
Dividing plate at the top of air channel forms aperture of door with switching channel intersection, be provided with aperture of door using hydraulic cylinder extension bar as pair
The door-plate at title center, is on the one hand easy to mould to be switched in air channel, is on the other hand controlled by the resetting means on door-plate
Door-plate resets, and is set back realization sealing in order to leave Rear Door in mould, while circular hole is provided with door-plate, in order to card
If hydraulic cylinder extension bar, being provided with fan-shaped sealing ring on the hole in addition, to be fanned when realizing that hydraulic cylinder extension bar is stuck in circular hole
Shape sealing ring is sticked realizes sealing in hydraulic cylinder extension bar, and when hydraulic cylinder extension bar leaves circular hole, fan-shaped sealing ring coordinates shape
Coordinate into semicircle shape sealing ring and realize sealing, because what is be passed through in air channel is dynamic air current, therefore partial aperture do not interfere with it is whole
Temperature does not affect to cooling, therefore can realize sealing using fan-shaped sealing ring.
Drainage trough is provided with smelting furnace, to protect body of heater miscellaneous part, only needs to change to drain when drainage trough damages
Groove, while set funnel to be easy to the flowing that collects of alloy solution, the end of funnel, which is inserted directly into mould, ensure that solution
Whole process into mould is vacuum environment, and in insulating process because die entrance at metal first solidify can play it is close
The effect of mould is sealed, therefore next environment need not ensure vacuum, can be with cost-effective.
By air heater in the air channel of the top, heat air and be passed through guarantee air channel air air channel in and be heated to institute
Temperature is needed, and by temperature sensor detection temperature, ensures that air themperature is constant, the number of heating rod in work is reduced when too high
Amount, increase the quantity of heating rod in work when too low.
The air mixer of setting can make full use of the hot blast in an air channel, because the temperature in cooling zone is gradually to drop
Low, so with the hot blast in air channel on, it is possible to reduce energy expenditure caused by heating cold wind, while in air mixer
The middle auxiliary hot pin of heating, in order to improve temperature by auxiliary hot pin when air mixer temperature reduces, while is also equipped with temperature
Sensor is easy to control constant temperature.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention.
Fig. 2 is the structural representation of smelting furnace in the present invention.
Fig. 3 is the mounting structure schematic diagram of cooling furnace in the present invention.
Fig. 4 is the mounting structure schematic diagram of air heater in the present invention.
Fig. 5 is the mounting structure schematic diagram of air mixer in the present invention.
Fig. 6 is the mounting structure schematic diagram of resetting means in the present invention.
Fig. 7 is that mould moves downward the schematic diagram opened under door-plate state in the present invention.
Fig. 8 is schematic diagram under middle door-plate closure state of the present invention.
Fig. 9 is middle door-plate of the present invention and the sectional view under hydraulic cylinder extension bar mated condition.
Figure 10 is the left view of Fig. 9 in the present invention.
Figure 11 is the schematic diagram that hydraulic cylinder extension bar leaves under door-plate Rear Door closure state in the present invention.
Diagram mark：1st, control system；2nd, smelting furnace；201st, heating coil；202nd, electrode, 203, heat-insulation layer are heated；
204th, non-real cavity；205th, insulation electrode；206th, it is incubated coil；207th, mould liquid injection pipe；208th, funnel, 209, drainage plate；
210th, crucible holder, 211, tipple；212nd, crucible；213rd, vacuum chamber；214th, upper lid；3rd, intake and exhaust magnetic valve；4th, vacuum
System；5th, mould；6th, pallet；7th, feeding car；8th, pedestal；9th, mounting hole；10th, hydraulic cylinder；1001st, hydraulic cylinder extension bar；1002、
Barrel of Hydraulic Cylinders；11st, cooling furnace；1101st, air channel；1102nd, air mixer；11021st, air fills into mouth；11022nd, second is logical
Road entrance；11023 second partitions；11024th, auxiliary hot pin；11025th, second temperature sensor；11026th, second channel exports；
11027th, the second S-shaped passage；1103rd, blower fan；1104th, door-plate；1105th, air heater；11051；Casing, 11052, first are led to
Road entrance, 11053, heating rod；11054th, first passage exports；11055th, the first temperature sensor；11056th, first dividing plate；
11057th, the first S-shaped passage；1106th, rotating shaft；1107；Fan-shaped sealing gasket；12 resetting means；1201st, back-moving spring；1202nd, even
Fishplate bar.
Embodiment
Shown in figure, embodiment is as follows：
A kind of smelting system of alloy, including smelting furnace 2, cooling furnace 11 and the base 8 set gradually from top to bottom, melt
Lid 214 is provided with the top of furnace, the control system 1 of control whole system work is provided with base 8, smelting furnace 2 includes
The melting chamber and incubation cavity set gradually from top to bottom, promising melting chamber is connected on smelting furnace 2 the true of vacuum melting environment is provided
Empty set system 4 and the intake and exhaust magnetic valves 3 of control vacuum system folding, are additionally provided with the incubation cavity of smelting furnace 2 for making alloy cold
But the mould 5 being molded, the underface of mould 5 offers the incubation cavity of connection smelting furnace 2 and the passage of cooling furnace 11 forms mould
Switching channel between smelting furnace 2 and cooling furnace 11, switching channel are extended downward on base 8, and base 8 is located at switching channel
Underface at dug mounting hole 9, hydraulic cylinder 10 is provided with mounting hole 9, Barrel of Hydraulic Cylinders 1002 is fixed on mounting hole 9
It is interior, the pallet 6 for support mode 5 is fixed with the end of hydraulic cylinder extension bar 1001, is being switched by hydraulic cylinder driven mold 5
Pumped in passage；
It is in turn divided into several air channels 1101 in the furnace chamber of cooling furnace 11 from top to bottom, the air channel phase from top to bottom in furnace chamber
Mutually coordinate the cooling zone for forming mould 5, the temperature of air channel 1101 in cooling zone gradually reduces, and air channel 1101 passes through constant temperature air feed system
System is passed through Tempeerature-constant air, controls Tempeerature-constant air to carry out hot friendship with the metallic solution in mould by controlling the temperature of Tempeerature-constant air
When changing, the cooldown rate of mould 5；
Switching channel runs through each air channel 1101 of cooling furnace 11, and the dividing plate at each top of air channel 1101 is handed over switching channel
Aperture of door is formed at remittance, the door-plate 1104 with hydraulic cylinder extension bar 1001 for symmetrical centre is installed in aperture of door, door-plate 1104 is remote
One end of hydraulic cylinder extension bar 1001 is rotatably arranged in the top spacer of air channel 1101 by rotating shaft 1106, where door-plate 1104 every
Resetting means 12 is installed, described resetting means 12 includes connecting plate 1202 and back-moving spring 1201, connecting plate at the top of plate
1202 are arranged on side of the rotating shaft 1106 of door-plate 1104 away from hydraulic cylinder extension bar 1001, and the one end of back-moving spring 1201 is fixed
On connecting plate 1202, the other end of back-moving spring 1201 is fixed on door-plate 1104, passes through the reset in the top spacer of air channel
The active force of spring 1201, which tenses door-plate 1104, makes its seal aperture of door, by the driven mold 5 of hydraulic cylinder 10 in switching channel on
Top-opening door plate 1104 is not less than door-plate in order to switch and enter the distance between air channel, upper and lower two dividing plates in air channel during lower motion
The thickness sum of 1104 width, the height of mould 5 and pallet 6, resetting bullet in order to which mould 5 enters air channel Rear Door 1104
The lower reset for resetting mould 5 when realizing air channel sealing and will not interfere with door-plate 1104 of the effect of spring 1201, door-plate 1104 is close to hydraulic cylinder
Semicircular groove is provided with one end of extension bar 1001, card is cooperatively formed by two door-plate upper grooves in same aperture of door
If the circular hole of hydraulic cylinder extension bar 1001, the sealing that door-plate is realized in circular hole, door-plate are fastened on by hydraulic cylinder extension bar 1001
Semi-circular recesses on covered with some fan-shaped elastic sealing gaskets 1107, when hydraulic cylinder extension bar 1001 leaves semi-circular recesses
Fan-shaped elastic sealing gasket 1107 restores to the original state and forms semicircular sealant to realize the sealing of groove.
Funnel 208 is provided with described smelting furnace 2, the lower end of funnel 208 is plugged in mould liquid injection pipe 207, funnel 208
Smelting furnace 2 is divided into melting chamber and incubation cavity, one layer of heat preservation layer 203 is enclosed with the outside of melting chamber, is set on the inside of melting chamber
A circle heating coil 201 is equipped with, melting intracavitary is provided with crucible 212, the drainage trough 209 to be cooperated with crucible 212, crucible branch
Frame 210 and heating electrode 202, offer on melting stove top case 214 toward the charge door that alloy material is added in crucible, this is known skill
Art is not described in detail, and described crucible holder 210 is the L-shaped L plates in section, and crucible holder 210 is fixed on the interior of smelting furnace 2
On wall, boss is provided with one end that crucible holder 210 is connected with smelting furnace away from it, crucible 212 is supported on crucible holder 210
The upper and bottom end of crucible 212 is rotatably arranged on the boss of crucible holder 210, and the other end of the bottom of crucible 212 is by tumbling
Device 211 is supported on crucible holder 210, and the tipple 211 uses electric pushrod, is coordinated by boss and electric pushrod
Control crucible 212 horizontal, the external part of electric pushrod is hinged on the bottom of crucible 212, and the other end of electric pushrod is hinged on crucible
On support 210, the side wall of power line through the smelting furnace 2 of electric pushrod is connected with power supply, and crucible 212 is promoted by electric pushrod
Tilt in order to which the metallic solution in crucible is poured out, drainage trough 209 is fixed on the inwall of smelting furnace to accept in crucible
The metallic solution gone out, the least significant end of drainage trough 209 connect with the liquid outlet of funnel 208, heat one end and the heater wire of electrode 202
The connection of circle 201, the side wall of the other end through the smelting furnace 2 of heating electrode 202 are connected with power supply with heating melting crucibles 212, mould
Tool 5 bears to be provided with attemperator on the smelting furnace inwall of funnel addition solution opening position.
Described attemperator includes insulation coil 206 and insulation electrode 205, and insulation coil 206 surrounds mould around composition
The cyclic structure of tool 5, one end of insulation electrode 205 are connected with insulation coil 206, and the other end of insulation electrode 205 passes through melting
The side wall of stove 2 is connected with power supply.
Described crucible 212 is cylinder-like structure, and the bottom of crucible 212 is an inclined-plane, and the bottom of crucible 212 is close to liquid outlet one
End highest is poured out in order to solution.
Feeding car 7 is additionally provided with described base 8, the guide rail of feeding car 7 is laid on first air channel of the top of base 8
It is interior, the mould 5 after being cooled down in air channel is taken out by feeding car 7.
Described constant temperature air feed system includes some Fans 1103, air heater 1105 and air mixer 1102,
Air heater 1105 coordinates blower fan 1103 to form the first air feed system, and air mixer 1102 coordinates blower fan 1103 to form second
Air feed system, the first air feed system are arranged at the air intake vent in the top air channel, and the first air feed system includes the wind being sequentially connected
Machine, air heater 1105 and another Fans, cold air is first passed through in air heater 1105 after heating by blower fan to be passed through again
Another Fans are passed through in air channel, and the second air feed system is arranged on the high temperature for discharging a upper air channel between two adjacent air channels
It is passed through next air channel after air-treatment, air mixer 1102 that the second air feed system includes being connected with a upper duct outlet,
Be arranged on the porch of air mixer 1102 in order to be passed through the blower fan of cold wind and be connected to air mixer exit and with
Another blower fan of another tunnel inlet connection, following for hot-air is realized by the cooperation of the first air feed system and the second air feed system
Ring is utilized, and the air outlet positioned at the air channel of bottom is directly opened wide in order to which the mould 5 after cooling down takes out.
Casing 11051 of the described air heater 1105 including sealing, some first partitions 11056, the first temperature pass
Sensor 11055 and several heating rods 11053, first partition 11056 are distributed in casing 11051 and draw housing interior volume
The passage for being divided into a S-shaped loop distribution forms the first S-shaped passage 11057, and the top of the first S-shaped passage offers first and led to
Road entrance 11052, the end of the first S-shaped passage offer first passage outlet 11054, and heating rod 11053 is evenly distributed in
In each first partition 11056, the first temperature sensor 11055 is arranged at first passage outlet 11054, and the first temperature passes
Sensor 11055 and heating rod 11053 are connected with control system 1, control the work of heating rod 11053 to coordinate by control system 1
The temperature of air is constant in detection the first S-shaped passage 11057 of control of first temperature sensor 11055.
Described air mixer 1102 includes the blender casing of a sealing, the temperature of some second partitions 11023, second
Spend sensor 11025 and several auxiliary hot pins 11024, second partition 11023 is distributed in blender casing and by blender case
The passage that body inner space is divided into a S-shaped loop distribution forms the second S-shaped passage 11027, the second S-shaped passage 11027
Top offer second channel entrance 11022, the end of the second S-shaped passage 11027 offers second channel outlet 11026,
Auxiliary hot pin 11024 is evenly distributed on each second partition 11023, and air is additionally provided with second channel entrance 11022
Fill into mouth 11021 and mixed in order to be passed through Cryogenic air with the high temperature air entered in second channel entrance 11022, second channel
Export and second temperature sensor 11025 be provided with 11026, second temperature sensor 11025 and auxiliary hot pin 11024 with control
System connects, and controls the auxiliary heating of hot pin 11024 and the detection of second temperature sensor 11025 to coordinate to realize by control system
The temperature of air is constant in second S-shaped passage 11027.
Be described in detail by taking a kind of aluminium alloy of melting as an example, aluminium alloy formula be 5.8% silicon, 0.1% manganese, 0.1% nickel,
0.1% magnesium, 1.0% copper；0.8% iron；0.1% chromium；0.01% zirconium；0.01% strontium, 0.01% scandium, 0.001% cerium,
0.01% tungsten；The vanadium of the boron 0.01% of 0.3% titanium 0.01%, 0.1% tin surplus are aluminium.
The vacuum chamber of smelting furnace is vacuumized by vacuum system first, divides alloy to two parts, takes the aluminium of wherein half
Crucible for smelting is added after being mixed with other materials, remaining aluminium is then added and carries out melting, the end of the funnel below crucible
Mould is passed directly into by mould liquid injection pipe and ensures that dies cavity is also vacuum, by tipple by crucible after the completion of melting
Interior melting liquid is imported in mould by drainage plate, and 45 minutes are incubated under attemperator effect, true by control system, control
Empty set system recovers the pressure in vacuum chamber, enters cooling chamber by hoisting mechanism driven mold, the pallet end of door plate below mould
Apply down force, door-plate is opened mould and entered in first air channel, closed completely into Rear Door, pass through the fan on door-plate
Shape sealing gasket, which coordinates, realizes sealing, the stroke walked and during stop when controlling the hoisting mechanism to switch in air channel by control system
Between, four air channels are set, first wind duct temperature is 500 DEG C, second wind duct temperature is 300 DEG C, the 3rd wind duct temperature is
100 DEG C, the 4th air channel be normal temperature, it is each in first, second and third air channel to stop 8 minutes, control greenhouse cooling speed as 25
DEG C/min, the 3rd wind duct temperature of adjustment is 180 DEG C so that passes through feeding car into the 4th air channel after being stopped 1 hour including mould
Mould is removed, then again in the 4th air channel after natural cooling by take out, the new mould of lifting mechanism control continue plus
Work.
Technical scheme and embodiment cited by the present invention and non-limiting, with the technical scheme cited by the present invention and
Embodiment is equivalent or effect same approach is all in the range of the present invention protects.
Claims (8)
- A kind of 1. smelting system of alloy, it is characterised in that：Including the smelting furnace set gradually from top to bottom（2）, cooling furnace （11）And base（8）, base（8）On be provided with control whole system work control system（1）, smelting furnace（2）Including from upper The melting chamber and incubation cavity set gradually under, smelting furnace（2）The upper promising melting chamber of connection provides the vacuum of vacuum melting environment System（4）With the intake and exhaust magnetic valve of control vacuum system folding（3）, smelting furnace（2）It is additionally provided with incubation cavity for making conjunction The mould that gold is cooled and shaped（5）, mould（5）Underface offer connection smelting furnace（2）Incubation cavity and cooling furnace（11）'s Passage forms mould in smelting furnace（2）And cooling furnace（11）Between switching channel, switching channel extends downward into base（8） On, base（8）Mounting hole has been dug at the underface of switching channel（9）, mounting hole（9）Inside it is provided with hydraulic cylinder（10）, Barrel of Hydraulic Cylinders（1002）It is fixed on mounting hole（9）It is interior, hydraulic cylinder extension bar（1001）It is fixed with end for support mode （5）Pallet（6）, pass through hydraulic cylinder driven mold（5）Pumped in switching channel；Cooling furnace（11）Several air channels are in turn divided into furnace chamber from top to bottom（1101）, the air channel phase from top to bottom in furnace chamber Mutually coordinate and form mould（5）Cooling zone, the air channel in cooling zone（1101）Temperature gradually reduces, air channel（1101）Pass through constant temperature Air feed system is passed through Tempeerature-constant air, controls Tempeerature-constant air to enter with the metallic solution in mould by controlling the temperature of Tempeerature-constant air During row heat exchange, mould（5）Cooldown rate；Switching channel runs through cooling furnace（11）Each air channel（1101）, each air channel（1101）The dividing plate and switching channel at top Intersection forms aperture of door, is provided with aperture of door with hydraulic cylinder extension bar（1001）For the door-plate of symmetrical centre（1104）, door-plate （1104）Away from hydraulic cylinder extension bar（1001）One end pass through rotating shaft（1106）It is rotatably arranged on air channel（1101）Top spacer On, door-plate（1104）Resetting means is installed at the top of the dividing plate of place（12）, described resetting means（12）Including connecting plate （1202）And back-moving spring（1201）, connecting plate（1202）It is arranged on door-plate（1104）Rotating shaft（1106）Stretched out away from hydraulic cylinder Bar（1001）Side on, back-moving spring（1201）One end is fixed on connecting plate（1202）On, back-moving spring（1201）It is another End is fixed on door-plate（1104）On, pass through the back-moving spring in the top spacer of air channel（1201）Active force tense door-plate（1104） It is sealed aperture of door, pass through hydraulic cylinder（10）Driven mold（5）Top-opening door plate when being moved up and down in switching channel（1104）With It is easy to switch and enters air channel, the distance between upper and lower two dividing plates in air channel is not less than door-plate（1104）Width, mould（5）'s Height and pallet（6）Thickness sum, in order to mould（5）Into air channel Rear Door（1104）In back-moving spring（1201）Effect Mould when air channel sealing is realized in lower reset（5）It will not interfere with door-plate（1104）Reset, door-plate（1104）Stretched out close to hydraulic cylinder Bar（1001）One end on be provided with semicircular groove, cooperatively forming card by two door-plate upper grooves in same aperture of door sets Hydraulic cylinder extension bar（1001）Circular hole, pass through hydraulic cylinder extension bar（1001）It is fastened on the sealing that door-plate is realized in circular hole, door Covered with some fan-shaped elastic sealing gaskets on the semi-circular recesses of plate（1107）, in hydraulic cylinder extension bar（1001）Leave semicircle Sector elastic sealing gasket during groove（1107）Reinstatement forms semicircular sealant to realize the sealing of groove.
- A kind of 2. smelting system of alloy according to claim 1, it is characterised in that：Described smelting furnace（2）Inside set It is equipped with funnel（208）, funnel（208）Lower end is plugged in mould liquid injection pipe（207）It is interior, funnel（208）By smelting furnace（2）It is divided into Melting chamber and incubation cavity, one layer of heat preservation layer is enclosed with the outside of melting chamber（203）, a circle heater wire is provided with the inside of melting chamber Circle（201）, melting intracavitary is provided with crucible（212）With crucible（212）The drainage trough of mutual cooperation（209）, crucible holder （210）With heating electrode（202）, described crucible holder（210）For the L-shaped L plates in section, crucible holder（210）It is fixed on Smelting furnace（2）Inwall on, crucible holder（210）Boss, crucible are provided with the one end being connected away from it with smelting furnace（212） It is supported on crucible holder（210）Upper and crucible（212）Bottom end is rotatably arranged on crucible holder（210）Boss on, crucible （212）The other end of bottom passes through tipple（211）It is supported on crucible holder（210）On, the tipple（211）Using Electric pushrod, control crucible is coordinated by boss and electric pushrod（212）Level, the external part of electric pushrod are hinged on crucible （212）Bottom, the other end of electric pushrod are hinged on crucible holder（210）On, the power line of electric pushrod passes through smelting furnace（2） Side wall be connected with power supply, crucible is promoted by electric pushrod（212）Tilt in order to which the metallic solution in crucible is poured out, draw Chute（209）It is fixed on the metallic solution poured out on the inwall of smelting furnace to accept in crucible, drainage trough（209）Least significant end with Funnel（208）Liquid outlet connection, heat electrode（202）One end and heating coil（201）Connection, heat electrode（202）'s The other end passes through smelting furnace（2）Side wall be connected with power supply with heating melting crucibles（212）, mould（5）It is molten to bear funnel addition Attemperator is provided with the smelting furnace inwall of liquid opening position.
- A kind of 3. smelting system of alloy according to claim 2, it is characterised in that：Described attemperator includes protecting Warm coil（206）And insulation electrode（205）, it is incubated coil（206）Mould is surrounded around forming（5）Cyclic structure, insulation electricity Pole（205）One end with insulation coil（206）Connection, insulation electrode（205）The other end pass through smelting furnace（2）Side wall and power supply Connection.
- A kind of 4. smelting system of alloy according to claim 2, it is characterised in that：Described crucible（212）For circle Tubular structure, crucible（212）Bottom is an inclined-plane, crucible（212）Bottom is close to liquid outlet one end highest in order to which solution is poured out.
- A kind of 5. smelting system of alloy according to claim 1, it is characterised in that：Described base（8）On also set It is equipped with feeding car（7）, feeding car（7）Guide rail be laid on base（8）In first air channel of top, pass through feeding car（7）Will Mould after being cooled down in air channel（5）Take out.
- A kind of 6. smelting system of alloy according to claim 1, it is characterised in that：Described constant temperature air feed system bag Include some Fans（1103）, air heater（1105）And air mixer（1102）, air heater（1105）Coordinate wind Machine（1103）Form the first air feed system, air mixer（1102）Coordinate blower fan（1103）Form the second air feed system, first Air feed system is arranged at the air intake vent in the top air channel, and the first air feed system includes blower fan, the air heater being sequentially connected （1105）With another Fans, cold air is first passed through air heater by blower fan（1105）Pass through another Fans after interior heating again It is passed through in air channel, the second air feed system is arranged on after the high temperature air processing of upper air channel discharge between two adjacent air channels Next air channel is passed through, the second air feed system includes the air mixer being connected with a upper duct outlet（1102）, be arranged on sky Gas blender（1102）Porch in order to be passed through the blower fan of cold wind and be connected to air mixer exit and with another wind Another blower fan of road entrance connection, the circulation profit of hot-air is realized by the cooperation of the first air feed system and the second air feed system With the air outlet positioned at the air channel of bottom is directly opened wide in order to the mould after cooling down（5）Take out.
- A kind of 7. smelting system of alloy according to claim 6, it is characterised in that：Described air heater （1105）Casing including sealing（11051）, some first partitions（11056）, the first temperature sensor（11055）And several Heating rod（11053）, first partition（11056）It is distributed in casing（11051）It is interior and housing interior volume is divided into one is in S The passage of shape loop distribution forms the first S-shaped passage（11057）, the top of the first S-shaped passage offers first passage entrance （11052）, the end of the first S-shaped passage offers first passage outlet（11054）, heating rod（11053）It is evenly distributed in Each first partition（11056）On, the first temperature sensor（11055）It is arranged on first passage outlet（11054）Place, first Temperature sensor（11055）And heating rod（11053）And control system（1）Connection, passes through control system（1）Control heating rod （11053）Work coordinates the first temperature sensor（11055）Detection control the first S-shaped passage（11057）The temperature of interior air It is constant.
- A kind of 8. smelting system of alloy according to claim 6, it is characterised in that：Described air mixer （1102）Blender casing, some second partitions including a sealing（11023）, second temperature sensor（11025）If with Dry auxiliary hot pin（11024）, second partition（11023）It is distributed in blender casing and divides blender housing interior volume The second S-shaped passage is formed for the passage of a S-shaped loop distribution（11027）, the second S-shaped passage（11027）Top open up There is second channel entrance（11022）, the second S-shaped passage（11027）End offer second channel outlet（11026）, auxiliary heat Rod（11024）It is evenly distributed in each second partition（11023）On, second channel entrance（11022）Place also sets up free Gas fills into mouth（11021）In order to be passed through Cryogenic air and second channel entrance（11022）The high temperature air mixing of interior entrance, the Two channel outlets（11026）Place is provided with second temperature sensor（11025）, second temperature sensor（11025）With auxiliary hot pin （11024）It is connected with control system, auxiliary hot pin is controlled by control system（11024）Heating and second temperature sensor （11025）Detection coordinate to realize the second S-shaped passage（11027）The temperature of interior air is constant.
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| US20110144790A1 (en) * | 2009-12-15 | 2011-06-16 | Terry Gerritsen | Thermal Sensing for Material Processing Assemblies |
| CN103170596B (en) * | 2013-03-05 | 2015-04-08 | 广州有色金属研究院 | Multipurpose vacuum casting device |
| CN103245192B (en) * | 2013-05-06 | 2015-09-02 | 湘潭市华星工贸有限公司 | Intermediate frequency furnace and blast furnace-intermediate frequency furnace combination smelting system |
| CN105385921B (en) * | 2015-12-22 | 2017-05-31 | 太原理工大学 | A kind of preparation method of high-strength micro-alloy magnesium alloy ingot |
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Effective date of registration: 20191218 Address after: 471000 No.96, Binhe North Road, high tech Development Zone, Luoyang area, China (Henan) pilot Free Trade Zone, Luoyang City, Henan Province Patentee after: Luoyang Bajia Electrical Technology Co., Ltd. Address before: High spring city road Jianxi District 471000 in Henan province Luoyang City Hospital No. 2 Building 5 3 Door No. 101 Patentee before: Wang Yu |
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