CN107604174A - Vacuum cold crucible skull crucible electrode transmission system - Google Patents
Vacuum cold crucible skull crucible electrode transmission system Download PDFInfo
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- CN107604174A CN107604174A CN201710993105.5A CN201710993105A CN107604174A CN 107604174 A CN107604174 A CN 107604174A CN 201710993105 A CN201710993105 A CN 201710993105A CN 107604174 A CN107604174 A CN 107604174A
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Abstract
Vacuum cold crucible skull crucible electrode transmission system belongs to vacuum metallurgy equipment technical field, more particularly to a kind of vacuum cold crucible skull crucible electrode transmission system.The present invention provides a kind of vacuum cold crucible skull crucible electrode transmission system easy to use, reliable and stable work.The present invention includes walking mechanism, hoistable platform, portal frame, Fan Ding fast liftings mechanism, electrode stem, dynamic sealing seat, the lifting drive unit of hoistable platform, electrode chamber elevating mechanism, its structural feature portal frame is arranged in walking mechanism, hoistable platform is set on portal frame, Fan Ding fast liftings mechanism is arranged on hoistable platform, the clutch end of Fan Ding fast liftings mechanism is connected with electrode stem upper end, dynamic sealing seat is arranged on corresponding with electrode chamber upper port above electrode chamber, electrode stem lower end passes through dynamic sealing seat center, lifting drive unit is arranged on platform, electrode chamber elevating mechanism is arranged on portal frame.
Description
Technical field
The invention belongs to vacuum metallurgy equipment technical field, more particularly to a kind of vacuum cold crucible skull crucible electrode power train
System.
Background technology
Vacuum cold crucible skull crucible electrode transmission system is the melting condition using vaccum consumable electrode electric arc furnace, using pre-
Required diameter made of elder generation and the consutrode of length (remelting), carry out fast melt in water jacketed copper crucible, predetermined when reaching
Melted mass after, tilt crucible, in the casting mold that the injection of the titanium of liquid is fixed on centrifugal pan (centrifugal casting or quiet cast), from
And obtain the various casting of complete shape and clear profile.
The furnace binding form of skull crucible decides the type of furnace of skull crucible, and body of heater size depends on solution weight, crucible
Skull crucible, according to the skull crucible structure type occurred at present, can be divided into by size, centrifugal pan diameter and casting mold height
It is horizontal and vertical.
Horizontal chamber furnace (oven) is a kind of type of furnace the most frequently used in titanium casting production.The advantages of horizontal skull crucible is compact-sized, intensity
Height, but the furnace chamber inner height space of horizontal chamber furnace (oven) is limited, is restricted the height of casting mold, if increase height, will necessarily increase
Diameter, body of heater is also with expansion, so largest domestic only accomplishes 1000Kg horizontal chamber furnace (oven)s at present.
Vertical heater, i.e., using the skull crucible of vertical type square body of heater.Vertical heater improves cast height, makes centrifugal pan and crucible
Relative position it is more reasonable, but the furnace binding of vertical heater is easily deformed, and processing and fabricating cost is higher.Vertical heater at present
Crucible device can be together removed outside stove on fire door chassis with body, and this structure is unilateral power supply, to do anti-magnetic treatment.
No matter horizontal chamber furnace (oven) or vertical heater, for Large Copacity skull crucible, its body of heater size is very big, structural reliability and can open up
Malleability is very low, and because mold quality is very big, causes the modal frequency very little of centrifugal mechanism, make the vibration of centrifugal mechanism very
Greatly, centrifugal mechanism and body of heater rigid connection, cause vibration to be passed on body of heater, make body of heater and electrode vibration of bar strong, can not
Work, so there is no the large-scale skull crucible of Rational structure at present.
The content of the invention
The present invention is aiming above mentioned problem, there is provided a kind of vacuum cold crucible scull easy to use, reliable and stable work
Stove electrode transmission system.
To achieve the above object, the present invention adopts the following technical scheme that, the present invention includes walking mechanism, hoistable platform, door
Formula framework, Fan Ding fast liftings mechanism, electrode stem, dynamic sealing seat, the lifting drive unit of hoistable platform, electrode chamber lift
Structure, its structural feature portal frame are arranged in walking mechanism, and hoistable platform is set on portal frame, Fan Ding fast liftings mechanism
It is arranged on hoistable platform, the clutch end of Fan Ding fast liftings mechanism is connected with electrode stem upper end, and dynamic sealing seat is arranged on
Corresponding with electrode chamber upper port above electrode chamber, electrode stem lower end passes through dynamic sealing seat center, and lifting drive unit is arranged on
On platform, electrode chamber elevating mechanism is arranged on portal frame.
As a kind of preferred scheme, walking mechanism of the present invention includes motor and cross-brace frame, and carriage is two,
Portal frame lower end both sides are arranged on supported on both sides frame；Motor is arranged on portal frame bottom, is provided with motor output shaft
Driving gear, driving gear are connected by chain with the driven gear below driving gear, and driven gear is arranged on horizontal transmission
Shaft end, horizontal power transmission shaft both sides are connected with supported on both sides frame posterior end roller center, and supported on both sides frame front end and middle part are right
Roller should be provided with；Roller is arranged on the I-steel on platform.
As another preferred scheme, hoistable platform both sides of the present invention are provided with sliding block, are corresponded on portal frame
Sliding block is provided with vertical rails.
As another preferred scheme, Fan Ding fast liftings mechanism of the present invention includes two cylinders, and two cylinders are set
Put in hoistable platform front and rear sides, cylinder by cylinder body spacer flanger being connected on hoistable platform, the cylinder rod of cylinder vertically upward,
Cylinder rod upper end is connected with fixation kit, and fixation kit is connected by downward shaft coupling with electrode stem upper end.
As another preferred scheme, lifting drive unit of the present invention includes servomotor, and servomotor is by turning
Angle reductor is connected with the vertical leading screw upper end of hoistable platform front and rear sides, and leading screw lower end is threaded through the screwed hole on hoistable platform,
Servomotor and corner reductor are arranged on portal frame upper end.
As another preferred scheme, electrode chamber elevating mechanism of the present invention includes setting on supported on both sides frame respectively
Two groups of elevating mechanisms, elevating mechanism include sleeve, guide pillar, Z-shaped bracket, hoist cylinder, feather key；Guide pillar is fixed on carriage
On, guide pillar side wall is provided with vertical guide groove；The feather key corresponding with guide groove is welded on sleeve, sleeve upper end and lifting oil
Cylinder is being connected together, and sleeve side is connected with Z-shaped bracket upper end, and Z-shaped bracket lower end is connected with electrode chamber side wall.
Secondly, electrode transmission system of the present invention also includes copper bar quick-locking mechanism and in place locking device, copper bar
Quick-locking mechanism arrives bit positions before being arranged on portal frame, and copper bar quick-locking mechanism includes mobile pressing plate, vertical copper bar
Support, horizontal compressed oil cylinder and connecting copper bar, compressed oil cylinder are fixed on copper bar pedestal upper end, the cylinder rod leading section dress of compressed oil cylinder
There is push rod, push rod is connected with mobile pressing plate, is provided with transition copper bars in front of mobile pressing plate, the side of portal frame is provided with connection
Copper bar, the position of mobile pressing plate and transition copper bars correspond to position setting in place before connecting copper bar, before connecting copper bar arrival in place
During position, connecting copper bar is placed between mobile pressing plate and transition copper bars；Connecting copper bar connects with cathode cable lower end handle, cathode cable
Upper end is connected with the conducting copper powered to electrode stem, and conducting copper is arranged on electrode stem top；Transition copper bars are arranged on copper bar
Pedestal upper end；
The locking device in place includes the vertical locking cylinder being arranged on platform and is arranged in carriage side wall
Square shape locks frame, square shape locking frame, and square shape locking frame lower front end Middle face is provided with U-lag mouth, locking cylinder it is upper
End extension bar is arranged on the U-lag mouth mobile route in front of U-lag mouth, the upper end extension bar upper end of locking cylinder be provided with
The discoid pressure head that U-lag mouth upper surface is engaged.
In addition, electrode chamber upper end of the present invention is provided with observation window, camera and dynamic sealing seat can be pressed in into electrode chamber
Briquetting component at upper port.
Beneficial effect of the present invention.
Electrode drive system structure of the present invention is simple, and space availability ratio is high, and good reliability, can be loaded large-tonnage electrode；From
Dynamicization degree is high, convenient maintenance, can be long-term use of.
Electrode stem of the present invention is moveable in upper furnace body by dynamic sealing seat, and dynamic sealing seat is connected with electrode chamber, dynamic sealing
Seat is motionless, and electrode stem can move up and down through dynamic sealing seat.
Electrode transmission system of the present invention uses frame structure, and mobility framework can drive electrode stem to move on platform, reliably
Property it is high.
Space availability ratio of the present invention is high, can the large-scale titanium casting of centrifugal casting.
The present invention is easy to use, and structure is reliable and stable, modularization, convenient maintenance, can be long-term use of.
Brief description of the drawings
Fig. 1 is vacuum consumable electrode electric arc skull crucible structural representation of the present invention.Fig. 2 is vacuum consumable electrode electricity of the present invention
Arc skull crucible left view.Fig. 3 is vacuum consumable electrode electric arc skull crucible right view of the present invention.Fig. 4 is vacuum consumable electricity of the present invention
Pole electrical arc skull crucible front view.Fig. 5 is vacuum consumable electrode electric arc skull crucible top view of the present invention.Fig. 6 is body of heater system of the present invention
System structural representation.Fig. 7 is system of bf body rearview of the present invention.Fig. 8 is system of bf body right view of the present invention.Fig. 9 is the present invention
System of bf body top view.Figure 10 is vacuum system front view of the present invention.Figure 11 is vacuum system top view of the present invention.Figure 12 is this
Invention vacuum system left view.Figure 13 is electrode drive system structure schematic diagram of the present invention.Figure 14 is electrode power train of the present invention
System front view.Figure 15 is electrode transmission system side view of the present invention.Figure 16 is electrode transmission system top view of the present invention.Figure 17 is
Electrode chamber elevating mechanism structural representation of the present invention.Figure 18 is walking mechanism structural representation of the present invention.Figure 19 is Fig. 1 A portions
Enlarged drawing.Figure 20 is Fig. 2 B portions enlarged drawing.Figure 21 is Fig. 3 C portions enlarged drawing.Figure 22 is Fig. 6 D portions enlarged drawing.Figure 23 is
Fig. 6 F portions enlarged drawing.Figure 24 is Figure 13 E portions enlarged drawing.Figure 25 is Figure 13 G portions enlarged drawing.
In figure, 1, mould transmission chassis；2nd, floral disc；3rd, mould；4th, upper furnace door；5th, upper furnace door transmission mechanism；6th, first is cold
But water supply water route；7th, platform；8th, camera；9th, fast lifting cylinder；10th, electrode transmission system；11st, leading screw is lifted；12nd, it is electric
Pole bar；13rd, directive wheel；14th, guide pillar；15th, transition copper bars；16th, cathode cable；17th, servomotor；18th, portal frame；19th, move
Seal receptacle；20th, transition copper bars；21st, electrode chamber；22nd, copper bar support；23rd, roller；24th, I-steel；25th, melting kettle；26th, pour
Cup；27th, trip shaft；28th, crucible upset system；29th, hydraulic jack；30th, lower furnace door transmission mechanism；31st, lower furnace door；32nd, it is true
Empty set is united；33rd, system of bf body；34th, the second cooling water supply water route；35th, upper furnace body；36th, lower furnace body；37th, anode copper bar；38、
Centrifugal pan；39th, centrifugation systems；40th, driven pulley；41st, main shaft is centrifuged；42nd, bellows；43rd, transmission belt；44th, bottom plate；45th, it is main
Movable belt pulley；46th, rear fire door；47th, power transmission shaft；48th, fixed seat is centrifuged；49th, power transmission shaft fixed seat；50th, shaft coupling；51st, motor connects
Connect disk；52nd, motor；53rd, lower electric block；54th, upper cylinder roller bearing；55th, thrust ball bearing；56th, lower cylinder roller bearing；
57th, lifting force oil cylinder；58th, lower thrust oil cylinder；59th, bottom roller；60th, upper transmission base；61st, lift cylinder；62nd, upper electronic calabash
Reed；63rd, lower I-steel；64th, chain；65th, motor；66th, oil cylinder；67th, fixed plate；68th, portable plate；69th, observation window；70th, briquetting
Component；71st, connecting bolt；72nd, Pneumatic baffle valve；73rd, main pipeline；74th, dedusting tank；75th, vacuum meter；76th, locking cylinder；77、
Sleeve；78th, copper bar support；79th, power transmission shaft；80th, connecting copper bar；81st, corner reductor；83rd, fixation kit；84th, guide upright post；
85th, hoistable platform；86th, carriage；87th, reversal valve；88th, slide rail；89th, sliding block；90th, compressed oil cylinder；91st, mobile pressing plate；92nd, rise
Oil cylinder drops；93rd, guide pillar；94th, feather key；95th, horizontal power transmission shaft；96th, upper I-steel；97th, oil cylinder loading plate；99th, connective pole；
100th, guide pillar；101st, upper fixture block；102nd, lower fixture block；103rd, runner；104th, crank；105th, upper contiguous block；106th, lower connecting block；
107th, vertical stud；108th, Contraband shape connector；109th, locking cylinder；110th, discoid pressure head；111st, U-lag mouth；112nd, mouth word
Shape locks frame；113rd, water cooling box；114th, vent valve.
Embodiment
As illustrated, the present invention can be applicable on vacuum consumable electrode electric arc skull crucible, vacuum consumable electrode electric arc scull
Stove includes system of bf body, electrode transmission system, crucible upset system, centrifugation systems, vacuum system, mould transmission chassis peace
Platform, system of bf body are connected together for overall with platform；
The system of bf body includes upper furnace body and lower furnace body, and crucible upset system is arranged on upper furnace body, upper furnace body lower end
With lower furnace body upper end connecing, upper furnace body upper end is provided with electrode chamber；
The electrode transmission system is movably disposed on platform by track；Electrode transmission system is arranged on electrode chamber
Top；
The centrifugation systems are arranged on lower furnace body lower end, and vacuum system is arranged on the outside of system of bf body；Vacuum system is entered
Mouth is connected with the vacuum orifice of system of bf body,
The floral disc that mould can be transferred on the centrifugal pan of centrifugation systems is provided with the mould transmission chassis.
The system of bf body of vacuum consumable electrode electric arc skull crucible of the present invention includes upper furnace body and lower furnace body, can save material and
Space, improve structural strength；Reduce cost of manufacture, convenience in transport；Upset shaft length is reduced, improves the upset stability of a system.
Vacuum consumable electrode electric arc skull crucible space availability ratio of the present invention is high, can the large-scale titanium casting of centrifugal casting.
Vacuum consumable electrode electric arc skull crucible of the present invention is easy to use, and structure is reliable and stable, modularization, convenient maintenance, can
It is long-term use of.
Two layers up and down of the platform point, electrode transmission system, upper furnace body are arranged on platform topsides, and lower furnace body is arranged on platform
Lower floor, platform topsides are provided with the first cooling water supply water route, and platform lower floor is provided with the second cooling water supply water route；First is cold
But the water supply port in water supply water route and the cooling water supply port of electrode stem, the cooling water supply port of upper furnace body, upper furnace door
Cooling water supply port be connected；The water supply port in the second cooling water supply water route and the cooling water supply port of rear fire door, under
The cooling water supply port of body of heater, the cooling water supply port of lower furnace door are connected.
The mould transmission chassis includes underdrive base, and underdrive base is arranged on lower railway by bottom roller, under
Transmission base is connected with the push rod of horizontal lower thrust oil cylinder, and horizontal lifting force oil cylinder is provided with rear side of underdrive base upper end, on
The push rod of push action cylinder is connected with upper transmission base, and upper transmission base is arranged on upper rail by upper roller, and upper rail is set
On underdrive base；Upper transmission base upper end both sides are provided with lift cylinder, described in extension bar upper end is set on lift cylinder
Floral disc；The spacing of both sides lift cylinder is more than the diameter of the centrifugal pan.Lower thrust oil cylinder pushing underdrive base is close to lower stove
Body, transmission base drives floral disc and grinding tool to enter lower furnace body on lifting force oil cylinder pushing, and grinding tool is arranged on floral disc；Floral disc reaches
After above centrifugal pan, lift cylinder extension bar is retracted, and floral disc and grinding tool are fallen on centrifugal pan together, and lifting force oil cylinder is by upper transmission
Base pulls out.
The upper furnace body front end is provided with upper furnace door and upper furnace door transmission mechanism, and lower furnace body front end is provided with lower furnace door with
Fire door transmission mechanism, lower furnace body posterior end are provided with rear fire door；The upper furnace body uses Double water-cooled U-shape structure, and with lower stove
Body handle connects；Lower furnace body uses local water cooling U-shape structure, and fixed with the earth；Electrode chamber and the upper furnace body handle connects, the rear stove
Door hinge is connected on lower furnace body.In melting titanium liquid, rear fire door is not locked, and when there is accident, big air-flow can be automatically from rear fire door
Pressure release, prevent Explosion of boiler proper.System of bf body uses dual chamber U-shape structure, and structure is securely and reliably stablized, and transformation space is big, expansion
By force, and cast is improved highly.Lower furnace body uses local water cooling, lower furnace body can be made to be reduced by hydraulic pressure, and it is strong to improve lower furnace body structure
Degree；Prevent whole water cooling weld bond leaks from entering furnace interior.
The local water cooling U-shape structure includes the multiple cuboid water cooling boxes for being arranged on lower furnace body outer upper, each water cooling
Cassette in series or packet series connection.Lower furnace body bottom does not have water cooling, when titanium liquid stream goes out, when there is accident, can prevent titanium liquid and cooling water
Effect, causes bigger danger.
The upper furnace door transmission mechanism includes upper electric block and laterally upper I-steel, and upper furnace door is lateral cuboid knot
Structure, upper electric block are two, are arranged on upper furnace door upper end both sides along upper furnace door length direction, upper furnace door upper end passes through upper electronic
Cucurbit is arranged on I-steel, and upper I-steel is arranged on platform；
The lower furnace door transmission mechanism includes lower electric block and laterally lower I-steel, and lower furnace door is lateral cuboid knot
Structure, lower electric block are two, are arranged on lower furnace door upper end both sides along lower furnace door length direction, lower furnace door upper end is electronic under
Cucurbit is arranged on lower I-steel, and lower I-steel is arranged on platform.
The electrode transmission system includes walking mechanism, hoistable platform, portal frame, Fan Ding fast liftings mechanism, electrode
Bar, dynamic sealing seat, the lifting drive unit of hoistable platform, electrode chamber elevating mechanism, portal frame are arranged in walking mechanism, are risen
Drop platform to set on portal frame, Fan Ding fast liftings mechanism is arranged on hoistable platform, the power of Fan Ding fast liftings mechanism
Output end is connected with electrode stem upper end, dynamic sealing seat be arranged on it is corresponding with electrode chamber upper port above electrode chamber, under electrode stem
End is arranged on platform through dynamic sealing seat center, lifting drive unit, and electrode chamber elevating mechanism is arranged on portal frame.
Portal frame can be remained silent the welding of seamless section bar using clod wash, and in light weight, intensity is high and uniform force, avoid producing inclined
The heart is away from can carry large-tonnage electrode.Portal frame upper end is connected with platform, can split dismounting.
Dynamic sealing seat can slide up and down on electrode stem, dynamic sealing seat in place when with electrode chamber is suitable for reading is connected together, rise
Seal vacuum action.
Electrode drive system structure of the present invention is simple, and space availability ratio is high, and good reliability, can be loaded large-tonnage electrode；From
Dynamicization degree is high, convenient maintenance, can be long-term use of.
Electrode stem is moveable in upper furnace body by dynamic sealing seat, and dynamic sealing seat is connected with electrode chamber, and dynamic sealing seat is motionless,
Electrode stem can move up and down through dynamic sealing seat.
Electrode transmission system uses frame structure, and mobility framework can drive electrode stem to move on platform, and reliability is high.
The walking mechanism includes motor and cross-brace frame, and carriage is two, and portal frame lower end both sides are arranged on
On supported on both sides frame；Motor is arranged on portal frame bottom, and driving gear is provided with motor output shaft, and driving gear passes through chain
Bar is connected with the driven gear below driving gear, and driven gear is arranged on horizontal end part of driving shaft, horizontal power transmission shaft both sides with
Supported on both sides frame posterior end roller center is connected, and supported on both sides frame front end and middle part are correspondingly arranged on roller；Roller is arranged on
On I-steel on platform.Portal frame can be moved by roller on i-beam track.
I-beam track is solderable on platform.
Walking mechanism is driven using motor, adjustable speed, clean energy, and stable movement is reliable.
Portal frame can be moved by roller on i-beam track, facilitate the taking-up and loading of scull in crucible.
The hoistable platform both sides are provided with sliding block, and sliding block is provided with vertical rails on portal frame.
The Fan Ding fast liftings mechanism includes two cylinders, and two cylinders are arranged on hoistable platform front and rear sides, cylinder
By cylinder body spacer flanger being connected on hoistable platform, vertically upward, cylinder rod upper end is connected the cylinder rod of cylinder with fixation kit, Gu
Determine component by downward shaft coupling with electrode stem upper end to be connected.
Electrode stem fast lifting mechanism is using double cylinder Fan Ding fast liftings mechanisms, and compact-sized, space availability ratio is high.
The lifting drive unit includes servomotor, and servomotor passes through corner reductor and hoistable platform front and rear sides
Vertical leading screw upper end be connected, leading screw lower end is threaded through the screwed hole on hoistable platform, and servomotor and corner reductor are arranged on
Portal frame upper end.
Servomotor drives speed governing campaign above and below hoistable platform by leading screw；After the completion of melting, compressed air passes through commutation
Valve makes cylinder rod quickly stretch out, and electrode stem fast lifting is driven by fixation kit.
Servomotor can lift electrode stem at a slow speed by leading screw.
The electrode chamber elevating mechanism includes setting two groups of elevating mechanisms on supported on both sides frame respectively, and elevating mechanism includes
Sleeve, guide pillar, Z-shaped bracket, hoist cylinder, feather key；Guide pillar is fixed on carriage, and guide pillar side wall is provided with vertical guide groove；
The feather key corresponding with guide groove is welded on sleeve, sleeve upper end and hoist cylinder being connected together, sleeve side with it is Z-shaped
Bracket upper end connects, and Z-shaped bracket lower end is connected with electrode chamber side wall.Lever stretches out band moving sleeve and moved upwards, electrode chamber lifting.
The electrode transmission system also includes copper bar quick-locking mechanism and in place locking device, copper bar quick-locking mechanism
Bit positions are arrived before being arranged on portal frame, copper bar quick-locking mechanism includes mobile pressing plate, vertical copper bar support, laterally compressed
Oil cylinder and connecting copper bar, compressed oil cylinder are fixed on copper bar pedestal upper end, and the cylinder rod leading section of compressed oil cylinder is equipped with push rod, push rod with
Mobile pressing plate is connected, and transition copper bars are provided with front of mobile pressing plate, and the side of portal frame is provided with connecting copper bar, mobile pressing plate
Correspond to before connecting copper bar that position is set in place with the positions of transition copper bars, connecting copper bar reach before in place position when, connection copper
Be set with is between mobile pressing plate and transition copper bars；Connecting copper bar connects with cathode cable (can use water-cooled cable) lower end handle, negative electrode
Cable upper end is connected with the conducting copper powered to electrode stem, and conducting copper is arranged on electrode stem top；Transition copper bars are arranged on
Copper bar pedestal upper end；
The locking device in place includes the vertical locking cylinder being arranged on platform and is arranged in carriage side wall
Square shape locks frame, square shape locking frame, and square shape locking frame lower front end Middle face is provided with U-lag mouth, locking cylinder it is upper
End extension bar is arranged on the U-lag mouth mobile route in front of U-lag mouth, the upper end extension bar upper end of locking cylinder be provided with
The discoid pressure head that U-lag mouth upper surface is engaged.
When portal frame is moved in place, the quick clamping copper bar of compressed oil cylinder, electrode stem is set to be connected with out-put supply.Compress oil
The cylinder rod of cylinder, which is stretched out, promotes mobile pressing plate, connecting copper bar is connected with transition copper bars.
When portal frame is moved in place, the upper end extension bar of locking cylinder enters U-lag mouth, and the cylinder rod of locking cylinder is received
Contracting, discoid pressure head push U-lag mouth upper surface, prevent walking mechanism from moving, and ensure that electrode chamber is motionless during work.
Negative electrode even electrically uses copper bar quick locking, simple and reliable for structure, and electrical efficiency is high, and economy is high.
Electrode chamber and body of heater fixation suitable for reading, make its center and water jacketed copper crucible central coaxial, Ti electrode is placed on electricity
Behind pole room center, walking mechanism easy motion forward, in place when, locking device works in place, locks walking mechanism.Afterwards
Copper bar quick-locking mechanism works, and out-put supply is turned on electrode stem.Lifting drive unit connects hoistable platform by leading screw
Decline with electrode stem, when dropping to specified location, electrode boom end pneumatic clamping head clamping Ti electrode, electrode stem is led with Ti electrode
It is logical.Electrode stem continues to drop to Ti electrode end with stopping decline during the distance to a declared goal of water jacketed copper crucible bottom.Dynamic sealing seat and electricity
Pole room is connected to form confined space, and vacuum environment is formed after evacuation.After power transmission, power supply, cathode cable, electrode stem, water-cooled copper earthenware
Crucible, power supply form closed-loop path, start melting.After predetermined metal liquid fusing amount is reached, the work of Fan Ding fast liftings mechanism,
Make electrode stem and remaining Ti electrode fast lifting, water jacketed copper crucible is quickly verted in the case of without interference, pour into a mould titanium liquid.Casting
After the completion of cooling, locking device unclamps in place, and electrode chamber elevating mechanism holds up electrode chamber, and copper bar quick-locking mechanism unclamps, OK
Walk mechanism easy motion backward.Body of heater is suitable for reading to be opened wide, and clears up scull.
The crucible upset system includes melting kettle and horizontal trip shaft, trip shaft are fixedly connected with melting kettle, turns over
Rotating shaft outer end and anode copper bar can clamp, unclamp connection, and a hydraulic jack shell lower end connects with lower furnace body axle, hydraulic jack it is defeated
Rod upper shaft connective pole lower end, small end are connected with trip shaft, and melting kettle is arranged in upper furnace body, in front of melting kettle
Upper furnace body in the path of toppling over of melting kettle is provided with sprue cup, be the centrifugal pan below sprue cup.
The hydraulic jack driving trip shaft realizes 105 ° of upsets；The melting kettle is poured into melt liquid by overturning
In sprue cup；The sprue cup leaks into molten steel in mould.
The anode copper bar includes top portable plate and lower mounting plate, and dead plate upper end is provided with lower fixture block, portable plate
Lower end is provided with upper fixture block corresponding to lower fixture block, and lower fixture block upper surface is correspondingly arranged on arc upset axle clamp with upper fixture block lower surface
Hold groove；Upper fixture block and lower fixture block surrounding are provided with guide pillar, and guide pillar lower end is fixedly connected with fixed plate, and guide pillar upper end passes through portable plate
On through hole be connected with oil cylinder loading plate, be provided with the oil cylinder extended downwardly from the middle part of oil cylinder loading plate, oil cylinder extension bar lower end with
Portable plate is fixedly connected.Oil cylinder push away portable plate decline lower fixture block is clamped axle, clamp axle be in order to by axle give crucible power,
Release is in order that crucible is overturn.
The centrifugation systems, which include floral disc, centrifugal pan, centrifugation main shaft, vertical power transmission shaft, centrifugation fixed seat, power transmission shaft, to be fixed
Seat and vertical motor, motor upper end output shaft are connected with power transmission shaft lower end；
Power transmission shaft is arranged on lower furnace body lower end by power transmission shaft fixed seat, and power transmission shaft upper end is connected with driving pulley, actively
Belt wheel is connected by transmission belt with driven pulley, and driven pulley is arranged on centrifugation main shaft top, and centrifugation main shaft upper end is centrifugal pan,
Centrifugation main shaft is arranged on lower furnace body lower end by centrifuging fixed seat.
The motor is fixedly connected by motor connection disk with the earth, and drives power transmission shaft by shaft coupling；
Centrifugation fixed seat is fixed on big ground by bottom plate, and bottom plate upper end connects with bellows lower end handle；Bellows upper end with
Lower furnace body is connecing, and bellows-sheathed is on the outside of centrifugation fixed seat.
Centrifugation systems are provided with bellows, and vibration caused by centrifugation systems is isolated, greatly reduced whole by bellows with body of heater
The vibration of individual equipment, improve equipment operational reliability.
The centrifugation fixed seat uses middle part T-shaped hole structure, and centrifugation spindle main body part is arranged in T-shaped hole, centrifugation master
Expose T-shaped hole and connect the driven pulley in axle upper end；T-shaped hole upper end large diameter hole top is provided with cylinder roller bearing, greatly
Diametric hole bottom is provided with thrust ball bearing, and T-shaped hole lower small diameter hole lower end is provided with lower cylinder roller bearing；Centrifuge main shaft
It is connected by upper cylinder roller bearing, thrust ball bearing, lower cylinder roller bearing with centrifugation fixed seat.
Cylinder roller bearing bears radial load, and thrust ball bearing bears axial force caused by centrifugal pan, mould etc..
The upper furnace body upper port periphery is provided with laterally upper contiguous block, electrode chamber lower end peripheral and set corresponding to upper contiguous block
Put in horizontal lower connecting block, upper contiguous block lower end outside axle connects the horizontal edge of Contraband shape connector one, is set on another horizontal edge of Contraband shape connector
Vertical screwed hole is equipped with, vertical stud is rotary with vertical screwed hole, vertical stud upper end is provided with runner, and runner is set on outer ring
There is vertical crank.
Upper furnace body upper port and electrode chamber lower end are to after good, being flipped up Contraband shape connector, shaking crank, make vertical stud
Push up onto upper contiguous block lower end.
The electrode chamber upper end is provided with observation window, camera and the pressure that can be pressed in dynamic sealing seat at electrode chamber upper port
Block assembly.
The vacuum system includes slide valve pump, and guiding valve pump inlet connects first Roots's pump discharge, and first Roots's pump inlet connects
Connect second Roots's pump discharge, second Roots's pump inlet connection main pipeline, main pipeline import is true by taking out for dedusting tank and lower furnace body
Eat dishes without rice or wine to be connected；Vacuum meter and vent valve are provided with dedusting tank entrance pipeline.
Pneumatic baffle valve is provided with the pipeline that second lobe pump is connected with main pipeline.Closing passage is stopped
Afterwards, Pneumatic baffle valve is closed, vavuum pump can be made to keep negative pressure, extends the service life of vavuum pump.The slide valve pump, the first Roots
Pump, the second lobe pump are combined as multigroup, and the import of the lobe pump of each group second is all connected with main pipeline.Multi-group vacuum pump group is set
Close, be remarkably improved and vacuumize efficiency.
The electrode stem top is provided with guiding transverse slat, is oriented to transverse slat corner and is provided with vertical directive wheel, around electrode stem
Four guide upright posts are provided with, guide upright post lower end is fixed with hoistable platform upper end, and four guide upright post upper ends pass through direction frame
It is connected, guide upright post is engaged with directive wheel., can fast lifting electrode stem under the guiding of directive wheel and guide upright post.
The dynamic sealing seat centre bore is connected by skeleton cushion rubber with electrode stem outer wall.Present device melting amount can be
1500Kg, cast height can be 2.5m, can accommodate diameter Ф 4.5m mould.
Equipment moving process：The movement of electrode transmission system is opened, and exposes electrode chamber, formwork and electrode are put into crucible, so
Motor transmission system is moved to above electrode chamber afterwards.
Electrode stem is slowly reduced, electrode stem and electrode are clamped, slowly raise electrode stem, make electrode and formwork by electrode contact
Between leave certain distance.
Dynamic sealing seat is pressed on electrode chamber by briquetting component.It is mobile trolley used that floral disc and mould are sent on centrifugal pan,
Chassis removes lower furnace body.
Lower furnace door, upper furnace door, rear fire door etc. are closed, vacuum system vacuumizes, when vacuum reaches 1 × 10-1After Pa, close
Vacuum system.
Dc source starts power transmission, and electrode dissolves to form titanium liquid with die discharge, after dissolved with certain titanium liquid, closes electricity
Source, fast lifting cylinder quickly lift electrode stem (1-2s).Crucible switching mechanism is overturn 105 ° by subsequent hydraulic jack, by earthenware
Titanium liquid in crucible is poured into mould, and centrifugation forms casting, and then crucible returns to origin-location, and electrode stem slowly declines a positioning
Put, wait casting cooling.
Claims (8)
1. vacuum cold crucible skull crucible electrode transmission system, including walking mechanism, hoistable platform, portal frame, anti-top quickly carry
Rise mechanism, electrode stem, dynamic sealing seat, the lifting drive unit of hoistable platform, electrode chamber elevating mechanism, it is characterised in that gate-type frame
Frame is set in walking mechanism, and hoistable platform is set on portal frame, and Fan Ding fast liftings mechanism is arranged on hoistable platform, instead
The clutch end of top fast lifting mechanism is connected with electrode stem upper end, and dynamic sealing seat is arranged on above electrode chamber and on electrode chamber
Port is corresponding, and electrode stem lower end passes through dynamic sealing seat center, and lifting drive unit is arranged on platform, electrode chamber elevating mechanism
It is arranged on portal frame.
2. vacuum cold crucible skull crucible electrode transmission system according to claim 1, it is characterised in that the walking mechanism bag
Motor and cross-brace frame are included, carriage is two, and portal frame lower end both sides are arranged on supported on both sides frame；Motor is arranged on
Portal frame bottom, is provided with driving gear on motor output shaft, driving gear by chain with it is driven below driving gear
Gear is connected, and driven gear is arranged on horizontal end part of driving shaft, horizontal power transmission shaft both sides with the roller of supported on both sides frame posterior end
The heart is connected, and supported on both sides frame front end and middle part are correspondingly arranged on roller；Roller is arranged on the I-steel on platform.
3. vacuum cold crucible skull crucible electrode transmission system according to claim 1, it is characterised in that the hoistable platform two
Side is provided with sliding block, and sliding block is provided with vertical rails on portal frame.
4. vacuum cold crucible skull crucible electrode transmission system according to claim 1, it is characterised in that the anti-top quickly carries
Rising mechanism includes two cylinders, and two cylinders are arranged on hoistable platform front and rear sides, and cylinder is connected on by cylinder body spacer flanger handle
On hoistable platform, vertically upward, cylinder rod upper end is connected the cylinder rod of cylinder with fixation kit, and fixation kit passes through downward shaft coupling
It is connected with electrode stem upper end.
5. vacuum cold crucible skull crucible electrode transmission system according to claim 1, it is characterised in that the lifting drive list
Member includes servomotor, and servomotor is connected by corner reductor with the vertical leading screw upper end of hoistable platform front and rear sides, silk
Thick stick lower end is threaded through the screwed hole on hoistable platform, and servomotor and corner reductor are arranged on portal frame upper end.
6. vacuum cold crucible skull crucible electrode transmission system according to claim 1, it is characterised in that the electrode chamber lifting
Mechanism includes two groups of elevating mechanisms being respectively provided at both sides on carriage, and elevating mechanism includes sleeve, guide pillar, Z-shaped bracket, liter
Oil cylinder, feather key drop；Guide pillar is fixed on carriage, and guide pillar side wall is provided with vertical guide groove；The guiding corresponding with guide groove
Key is welded on sleeve, and sleeve upper end is with hoist cylinder being connected together, and sleeve side is connected with Z-shaped bracket upper end, Z-shaped bracket
Lower end is connected with electrode chamber side wall.
7. vacuum cold crucible skull crucible electrode transmission system according to claim 2, it is characterised in that the electrode power train
System also includes copper bar quick-locking mechanism and locking device, copper bar quick-locking mechanism are arranged on before portal frame position in place in place
Place is put, copper bar quick-locking mechanism includes mobile pressing plate, vertical copper bar support, horizontal compressed oil cylinder and connecting copper bar, compresses oil
Cylinder is fixed on copper bar pedestal upper end, and the cylinder rod leading section of compressed oil cylinder is equipped with push rod, and push rod is connected with mobile pressing plate, mobile pressing plate
Front is provided with transition copper bars, and the side of portal frame is provided with connecting copper bar, and mobile pressing plate is corresponding to the position of transition copper bars
Before connecting copper bar in place position set, connecting copper bar reach before in place position when, connecting copper bar is placed in mobile pressing plate and transition
Between copper bar；With cathode cable lower end connecing, cathode cable upper end is connected connecting copper bar with the conducting copper powered to electrode stem,
Conducting copper is arranged on electrode stem top；Transition copper bars are arranged on copper bar pedestal upper end；
The locking device in place includes the vertical locking cylinder being arranged on platform and the mouth word being arranged in carriage side wall
Shape locks frame, square shape locking frame, and square shape locking frame lower front end Middle face is provided with U-lag mouth, and the upper end of locking cylinder is stretched
Rod is arranged on the U-lag mouth mobile route in front of U-lag mouth, and the upper end extension bar upper end of locking cylinder is provided with and U-shaped
The discoid pressure head that notch upper surface is engaged.
8. vacuum cold crucible skull crucible electrode transmission system according to claim 1, it is characterised in that the electrode chamber upper end
It is provided with observation window, camera and the briquetting component that dynamic sealing seat can be pressed at electrode chamber upper port.
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| CN201710993105.5A CN107604174B (en) | 2017-10-23 | 2017-10-23 | Electrode transmission system of vacuum cooling crucible skull furnace |
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| CN201710993105.5A CN107604174B (en) | 2017-10-23 | 2017-10-23 | Electrode transmission system of vacuum cooling crucible skull furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113322383A (en) * | 2021-06-01 | 2021-08-31 | 云南昆钢重型装备制造集团有限公司 | Vacuum melting chamber for realizing dynamic sealing and opening and closing of titanium and titanium alloy |
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| CN107604174B (en) | 2020-08-25 |
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