CN109930196A - The vacuum oriented consolidation furnace of bottom filling and its application method - Google Patents
The vacuum oriented consolidation furnace of bottom filling and its application method Download PDFInfo
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- CN109930196A CN109930196A CN201811546126.3A CN201811546126A CN109930196A CN 109930196 A CN109930196 A CN 109930196A CN 201811546126 A CN201811546126 A CN 201811546126A CN 109930196 A CN109930196 A CN 109930196A
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Abstract
The invention belongs to vacuum precision Casting Equipment field more particularly to a kind of vacuum oriented consolidation furnaces of bottom filling and its application method, including infrared radiation thermometer (1), clamping jaw transmission mechanism (2), feeding chamber (3), working chamber (6) and formwork room (14)；Infrared radiation thermometer (1) is placed in the upper end of clamping jaw transmission mechanism (2)；The lower part working end of clamping jaw transmission mechanism (2) longitudinally through feeding chamber (3) inner cavity and be fixedly connected with clamping jaw (7)；Inductor (9) are fixed with clamping jaw (7) corresponding position in working chamber (6)；Formwork heater (11) are fixed in the lower part of inductor (9)；Water-cooling ring (12) are fixed in the bottom of shell heater (11)；Water mold (16) and formwork pull system (17) are successively longitudinally equipped in the bottom of formwork room (14).Turnover mechanism, good reliability, high production efficiency can effectively avoid accumulative pollution to the present invention without spin.
Description
Technical field
The invention belongs to vacuum precision Casting Equipment field more particularly to a kind of vacuum oriented consolidation furnace of bottom filling and its uses
Method.
Background technique
Vacuum oriented consolidation furnace is a kind of for carrying out the extraordinary metallurgical equipment of hot investment casting under vacuum or protective atmosphere,
This equipment is mainly for the production of column crystal/monocrystalline part (coupon or blade).The expansion equipment of such equipment and such equipment
It can be used for carrying out producing the hot investment casting product of equiax crystal, column crystal and monocrystalline under vacuum (or protective atmosphere).It is vacuum oriented solidifying
Gu furnace mostly uses vertical double-chamber structure, ingot casting room is in lower section, and working chamber is above.Working chamber carries out base material alloy for inductor
Secondary remelting also needs a set of formwork heat-insulation system in working chamber, heating mould simultaneously makes it when being used for column crystal or single crystal casting
Temperature is more than its alloy melting point.The metal liquid in crucible is poured into formwork after the completion of equal secondary remeltings, formwork is according to difference
Technique is moved downward by certain speed.Until being fully removed working chamber, isolating valve separates the closing of two chambers.The broken sky in ingot casting room is simultaneously
It is loaded into new formwork.New alloy is added for next duty cycle also by charging mechanism in working chamber.
Traditional vacuum oriented consolidation furnace completes the cast molding of shell by the way of induction melting+turnover casting
Journey；Traditional vacuum oriented consolidation furnace occupies that space is big, and space utilization rate is low using overturning casting machine structure；Traditional vacuum orientation is solidifying
Gu furnace uses graphite resistance heater, heating speed is slow, and the service life is short；Traditional vacuum directional solidification furnace uses aluminium oxide or magnesia earthenware
Crucible melting, crucible are reusable version, are readily produced pollution of circulation, influence alloy composition.
Summary of the invention
The present invention is directed to provide a kind of nothing [J1] turnover mechanism in place of overcome the deficiencies in the prior art, good reliability is raw
It produces high-efficient, can effectively avoid the vacuum oriented consolidation furnace of bottom filling and its application method of accumulative pollution.
In order to solve the above technical problems, the present invention is implemented as follows:
A kind of vacuum oriented consolidation furnace of bottom filling, including infrared radiation thermometer, clamping jaw transmission mechanism, feeding chamber, working chamber and formwork
Room；Top vertical connection of the bottom of the feeding chamber through feed isolating valve and working chamber；The bottom of the working chamber is through being isolated
The top vertical connection of flap valve and formwork room；The infrared radiation thermometer is placed in the upper end of clamping jaw transmission mechanism；The clamping jaw passes
The lower part working end of motivation structure longitudinally through feeding chamber inner cavity and be fixedly connected with clamping jaw；In the working chamber with clamping jaw pair
Position is answered to be fixed with inductor；Formwork heater is fixed in the lower part of the inductor；In the formwork heater
Bottom is fixed with water-cooling ring；Water mold and formwork pull system are successively longitudinally equipped in the bottom of the formwork room.
As a preferred embodiment, formwork heater of the present invention includes upper area's heater and lower area's heater；It is described
The outer wall of upper area's heater and lower area's heater uses graphite felt thermal insulation material；The length of upper area's heater and lower area heater
Degree is 2:1 than [J2].
The application method of the above-mentioned vacuum oriented consolidation furnace of bottom filling, can implement as follows:
A, alloy charge bar is placed in ceramic fibre crucible, and be placed on clamping jaw together, by clamping jaw transmission mechanism by alloy material
Stick and ceramic fibre crucible are moved integrally to designated position in inductor；
B, formwork is placed on water mold, formwork is raised in formwork heater using formwork pull system, makes water cooling knot
Brilliant device upper surface is equal with water-cooling ring upper surface；
C, the door of feeding chamber, working chamber and formwork room is closed, maintains charging isolating valve and isolation flap valve in opened condition；Make
Three chambers are evacuated simultaneously with vacuum system；
D, after reaching specified vacuum degree, die heater is powered, and carries out temperature programming；
E, after reaching predetermined temperature and keeping the temperature a period of time by technique, start intermediate frequency power supply, inductor is carried out high-power logical
Electricity, makes alloy charge bar be in melting state, is monitored by infrared radiation thermometer to melt temperature；
F, after alloy molten solution temperature reaches assigned temperature, clamping jaw transmission mechanism is moved upwards by program, by clamping jaw, ceramic fibre
Crucible, alloy molten solution integrally lift, and enter non-crucible zone inside inductor, and make all alloy molten solutions entirely through ceramic fibre
The circular hole of crucible bottom steadily flows into the formwork in die heater；
G, after the completion of bottom pour mold, water mold carries out downwards pull monocrystalline operation under the drive of formwork pull system；At this time
Clamping jaw and empty ceramic fibre crucible are integrally moved upward in feeding chamber by clamping jaw transmission mechanism；
H, charging isolating valve is closed, and feeding chamber vacuum breaker, door is opened, and ceramic fibre crucible is taken out, by new ceramic fibre
Crucible and alloy charge bar are placed in clamping jaw in case next production cycle；
I, after formwork all removes except water-cooling ring, formwork pull system sharp downward movement to designated position；Close isolation
Flap valve, the broken sky in formwork room, takes out formwork, is put into new formwork in case next production cycle.
Further, in step e of the present invention, make alloy molten solution bottom lower than 10~20mm of inductor lower edge, bottom
It is still solid-state that, which there is a thin layer in portion,.
Further, in step d of the present invention, using PID temperature instrument in die heater upper heater with
Lower heater carries out temperature programming.
Present invention employs disposable ceramic fibre crucibles, and the main ingredient of fiber is aluminium oxide, so overcoming
Conventional multi uses in crucible for smelting alloy process.The present invention uses fixed high-frequency inductor and disposable ceramic fibre earthenware
Crucible, structure simply turnover mechanism without spin, high reliablity.The present invention uses carbon fiber formwork heater, uses the material
Heater is bigger than conventional graphite heater resistance, can bear bigger power, and the technique that high speed lifting/lowering temperature may be implemented needs
It asks, accelerates productive temp, improve production efficiency.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and specific embodiments.Protection scope of the present invention will not only
It is confined to the statement of following content.
Fig. 1 is the vacuum oriented consolidation furnace overall structure diagram of the present invention.
Fig. 2 is carbon fiber formwork heater structure schematic diagram of the present invention.
Fig. 3 is consolidation furnace stereoscopic schematic diagram of the present invention.
In figure: 1, infrared radiation thermometer；2, clamping jaw transmission mechanism；3, feeding chamber；4, feed isolating valve；5, observation window；6, it melts
Refine room；7, clamping jaw；8, ceramic fibre crucible；9, inductor；10, alloy charge bar；11, formwork heater；12, water-cooling ring；13, every
From flap valve；14, formwork room；15, formwork；16, water mold；17, formwork pull system.
Specific embodiment
As shown, the vacuum oriented consolidation furnace of bottom filling, including infrared radiation thermometer 1, clamping jaw transmission mechanism 2, feeding chamber 3,
Working chamber 6 and formwork room 14；Top vertical connection of the bottom of the feeding chamber 3 through feed isolating valve 4 and working chamber 6；It is described
The bottom of working chamber 6 is through being isolated the top vertical connection of flap valve 13 and formwork room 14；The infrared radiation thermometer 1 is placed in clamping jaw biography
The upper end of motivation structure 2；The lower part working end of the clamping jaw transmission mechanism 2 longitudinally through feeding chamber 3 inner cavity and with clamping jaw 7 it is fixed
Connect；Inductor 9 is fixed with 7 corresponding position of clamping jaw in the working chamber 6；In the lower part of the inductor 9, fixation is set
There is formwork heater 11；Water-cooling ring 12 is fixed in the bottom of the formwork heater 11；In the bottom of the formwork room 14
It is successively longitudinal to be equipped with water mold 16 and formwork pull system 17.
Formwork heater 11 of the present invention includes upper area's heater 1101 and lower area's heater 1102；The upper Qu Jiare
The outer wall of device 1101 and lower area's heater 1102 uses graphite felt thermal insulation material；Upper area's heater 1101 and lower area heater
1102 length ratio is 2:1.
The application method of the above-mentioned vacuum oriented consolidation furnace of bottom filling, can implement as follows:
A, alloy charge bar 10 is placed in ceramic fibre crucible 8, and is placed on clamping jaw 7 together, will closed by clamping jaw transmission mechanism 2
Golden charge bar 10 is moved integrally with ceramic fibre crucible 8 to designated position in inductor 9；
B, formwork 15 is placed on water mold 16, formwork 15 is raised to formwork heater 11 using formwork pull system 17
It is interior, keep 16 upper surface of water mold equal with 12 upper surface of water-cooling ring；
C, the door of feeding chamber 3, working chamber 6 and formwork room 14 is closed, maintaining charging isolating valve 4 and isolation flap valve 13 is in open
State；Three chambers are evacuated simultaneously using vacuum system；
D, after reaching specified vacuum degree, die heater 11 is powered, and carries out temperature programming；
E, after reaching predetermined temperature and keeping the temperature a period of time by technique, start intermediate frequency power supply, inductor 9 is carried out high-power logical
Electricity makes alloy charge bar 10 be in melting state, is monitored by infrared radiation thermometer 1 to melt temperature；
F, after alloy molten solution temperature reaches assigned temperature, clamping jaw transmission mechanism 2 is moved upwards by program, and clamping jaw 7, ceramics are fine
Dimension crucible 8, alloy molten solution integrally lift, and enter non-crucible zone inside inductor 9, and make all alloy molten solutions entirely through ceramics
The circular hole of 8 bottom of fiber crucible steadily flows into the formwork 15 in die heater 11；
G, after the completion of bottom pour mold, water mold 16 carries out downwards pull monocrystalline operation under the drive of formwork pull system 17；
Clamping jaw 7 and empty 8 entirety of ceramic fibre crucible are moved upward in feeding chamber 3 by clamping jaw transmission mechanism 2 at this time；
H, charging isolating valve 4 is closed, and 3 vacuum breaker of feeding chamber, door is opened, and takes out ceramic fibre crucible 8, and new ceramics are fine
Dimension crucible 8 and alloy charge bar 10 are placed in clamping jaw 7 in case next production cycle；
I, after formwork 15 all removes except water-cooling ring 12,17 sharp downward movement of formwork pull system to designated position；It closes
Isolation flap valve 13 is closed, the broken sky in formwork room 14 takes out formwork 15, is put into new formwork 15 in case next production cycle.
In step e of the present invention, make alloy molten solution bottom lower than 9 10~20mm of lower edge of inductor, bottom has one thin
Layer is still solid-state.In step d of the present invention, using PID temperature instrument in die heater 11 upper heater 1101 with
Lower heater 1102 carries out temperature programming.
As shown in Figure 1, working chamber 6 of the present invention, isolation flap valve 13 and formwork room 14 have collectively constituted the main body of equipment, shape
At a vertical double-chamber vacuum furnace structure.Infrared radiation thermometer 1, clamping jaw transmission mechanism 2, feeding chamber 3, charging isolating valve 4, observation
Window 5 is placed in working chamber 6, and is each responsible for the functions such as thermometric, repeatedly Jia Jia and observation；Clamping jaw 7, ceramic fibre crucible 8, induction
Device 9, alloy charge bar 10；Formwork heater 11, water-cooling ring 12, formwork 15；Water mold 16；Formwork pull system 17 is then placed in
In working chamber 6 and formwork room 14, the technical process such as formwork heating, molten alloy, the transmission of formwork pull are completed.Wherein feeding chamber 3,
Working chamber 6 and formwork room 14 are equipped with independent evacuation pipeline, cooperation charging isolating valve 4, isolation flap valve 13 and other vacuum
Valve can realize the pumping to independent chamber/broken idle job.This design ensure that working chamber 6 is protected for a long time in the equipment course of work
Hold the hot state of high vacuum, only feeding chamber 3 and formwork room 14 be in take out repeatedly/break dummy status, realize charging repeatedly, discharging
Continous way produces function.As shown in Figure 2, wherein 1101 be upper area's heater；1102 be lower area's heater；1103 be water cooling electricity
Level assembly；1104 keep the temperature upper cover for formwork；1105 be whole graphite felt heat-preservation cylinder；1106 be cylinder shape frame.
Formwork heater 11 is designed using resistance-type two-region, and for upper and lower warm area length than being about 2:1, function distribution is about 1:2.
Dual zone heater is all made of carbon fibre material and is made；Formwork keeps the temperature upper cover 1104 and uses the whole hard felt thermal sintering of graphite, every
Thermal effect is good；Whole graphite felt heat-preservation cylinder 1105 also uses the hard felt thermal sintering of graphite；Cylinder shape frame 1106 is using heat-resisting stainless
Steel is made, and long service life is unlikely to deform.Upper and lower region heater is made of [J3], resistance heating utensil made of the material
There is the features such as resistance is big, receiving power is big, heating speed is fast, the service life is long.It can guarantee rapid temperature rise and drop, be repeatedly used for a long
Rigors, it is very helpful for improving productive temp, raising production efficiency.
Present device operational process is summarized.
1, prepare alloy and formwork used, and routine inspection is carried out to equipment, functions feedback is normal, report without exception
Starting device after police.
2, alloy charge bar is placed in ceramic fibre crucible, and be placed on clamping jaw together, will closed by clamping jaw transmission mechanism
Golden charge bar and ceramic fibre crucible are moved integrally to designated position in inductor.
3, formwork is placed on water mold, formwork is raised in formwork heater using formwork pull system, makes water
It is equal (different according to technique, to be slightly different herein) from water-cooling ring upper surface above cooling crystallizer.
4, the door of feeding chamber, working chamber and formwork room is closed, charging isolating valve, isolation turnover panel the valve opening state are maintained.
Three chambers are evacuated simultaneously using vacuum system.
5, after reaching specified vacuum degree, die heater is powered, using PID temperature instrument to upper in die heater plus
Hot device and lower heater carry out the controllable temperature-rise period of program.
6, after reaching predetermined temperature and keeping the temperature a period of time by technique, start intermediate frequency power supply, big function is carried out to inductor
Rate is defeated [J4], and melting state will be in by rather planting interior alloy charge bar, is monitored by infrared radiation thermometer to melt temperature, this
When alloy molten solution bottom be lower than inductor lower edge 10-20mm, it is still solid-state that a thin layer, which is still arranged, at bottom.
7, after alloy molten solution temperature reaches assigned temperature, clamping jaw transmission mechanism is moved upwards by program, by clamping jaw, ceramics
Fiber crucible, alloy molten solution integrally lift, and enter non-crucible zone inside inductor, also melt fastly after several seconds and keep all alloys molten
Liquid steadily flows into the formwork in die heater entirely through the circular hole of ceramic fibre crucible bottom.
8, after the completion of bottom pour mold, water mold carries out downwards pull monocrystalline operation under the drive of formwork pull system；
Clamping jaw and empty ceramic fibre crucible are integrally moved upward in feeding chamber by clamping jaw transmission mechanism at this time.
9, charging isolating valve is closed, and feeding chamber vacuum breaker, door is opened, and ceramic fibre crucible is taken out, by new ceramics
Fiber crucible and alloy charge bar are placed in clamping jaw in case next production cycle.
10, after formwork all removes except water-cooling ring, formwork pull system sharp downward movement to designated position；It closes
Flap valve is isolated, the broken sky in formwork room takes out formwork, is put into new formwork in case next production cycle.
11, repeatedly the above 2-10 step, it can be achieved that continous way production technology.
In the description of the present invention, it is to be understood that, the orientation or positional relationship of term instruction is based on shown in attached drawing
Orientation or positional relationship, be merely for convenience of description of the present invention and simplification of the description, rather than the device of indication or suggestion meaning
Or element must have a particular orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of vacuum oriented consolidation furnace of bottom filling, which is characterized in that including infrared radiation thermometer (1), clamping jaw transmission mechanism (2),
Feeding chamber (3), working chamber (6) and formwork room (14)；The bottom of the feeding chamber (3) is through charging isolating valve (4) and working chamber (6)
Top vertical connection；The bottom of the working chamber (6) is through being isolated the top vertical connection of flap valve (13) and formwork room (14)；
The infrared radiation thermometer (1) is placed in the upper end of clamping jaw transmission mechanism (2)；The lower part working end of the clamping jaw transmission mechanism (2) is vertical
It is fixedly connected to the inner cavity for passing through feeding chamber (3) and with clamping jaw (7)；It is solid with clamping jaw (7) corresponding position in the working chamber (6)
Surely inductor (9) are equipped with；Formwork heater (11) are fixed in the lower part of the inductor (9)；In the formwork heater
(11) bottom is fixed with water-cooling ring (12)；Successively longitudinally water mold (16) are equipped in the bottom of the formwork room (14)
And formwork pull system (17).
2. the vacuum oriented consolidation furnace of bottom filling according to claim 1, it is characterised in that: formwork heater (11) packet
The area Kuo Shang heater (1101) Ji Xiaqu heater (1102)；Upper area's heater (1101) Ji Xiaqu heater (1102)
Outer wall uses graphite felt thermal insulation material；The length ratio of upper area's heater (1101) and lower area heater (1102) is 2:1.
3. the application method of the vacuum oriented consolidation furnace of bottom filling according to claim 2, which is characterized in that real as follows
It applies:
A, alloy charge bar (10) is placed in ceramic fibre crucible (8), and is placed on clamping jaw (7) together, pass through clamping jaw driver
Alloy charge bar (10) and ceramic fibre crucible (8) are moved integrally and arrive inductor (9) interior designated position by structure (2)；
B, formwork (15) is placed on water mold (16), formwork (15) is raised to formwork using formwork pull system (17) and is added
In hot device (11), keep water mold (16) upper surface equal with water-cooling ring (12) upper surface；
C, the door of feeding chamber (3), working chamber (6) and formwork room (14) is closed, charging isolating valve (4) and isolation flap valve are maintained
(13) in opened condition；Three chambers are evacuated simultaneously using vacuum system；
D, after reaching specified vacuum degree, die heater (11) is powered, and carries out temperature programming；
E, after reaching predetermined temperature and keeping the temperature a period of time by technique, start intermediate frequency power supply, inductor (9) are carried out high-power
It is powered, so that alloy charge bar (10) is in melting state, melt temperature is monitored by infrared radiation thermometer (1)；
F, after alloy molten solution temperature reaches assigned temperature, clamping jaw transmission mechanism (2) is moved upwards by program, by clamping jaw (7), pottery
Porcelain fiber crucible (8), alloy molten solution integrally lift, and so that non-crucible zone is entered inductor (9) internal, and keep all alloy molten solutions whole
It is steadily flowed into the formwork (15) in die heater (11) by the circular hole of ceramic fibre crucible (8) bottom；
G, after the completion of bottom pour mold, water mold (16) carries out downwards pull monocrystalline work under the drive of formwork pull system (17)
Industry；Clamping jaw (7) and empty ceramic fibre crucible (8) are integrally moved upward to feeding chamber (3) by clamping jaw transmission mechanism (2) at this time
It is interior；
H, charging isolating valve (4) is closed, feeding chamber (3) vacuum breaker, and door is opened, and is taken out ceramic fibre crucible (8), will be new
Ceramic fibre crucible (8) and alloy charge bar (10) are placed in clamping jaw (7) in case next production cycle；
I, after formwork (15) all removes except water-cooling ring (12), formwork pull system (17) sharp downward movement to specific bit
It sets；Isolation flap valve (13) is closed, formwork room (14) broken sky takes out formwork (15), is put into new formwork (15) in case lower all one's life
Produce circulation.
4. the application method of the vacuum oriented consolidation furnace of bottom filling according to claim 3, it is characterised in that: in the step e,
Make alloy molten solution bottom lower than inductor (9) 10~20mm of lower edge, it is still solid-state that a thin layer, which is arranged, at bottom.
5. the application method of the vacuum oriented consolidation furnace of bottom filling according to claim 4, it is characterised in that: in the step d,
Using PID temperature instrument to the upper heater (1101) and lower heater (1102) progress program liter in die heater (11)
Temperature.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811546126.3A CN109930196A (en) | 2018-12-18 | 2018-12-18 | The vacuum oriented consolidation furnace of bottom filling and its application method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811546126.3A CN109930196A (en) | 2018-12-18 | 2018-12-18 | The vacuum oriented consolidation furnace of bottom filling and its application method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0083205A2 (en) * | 1981-12-30 | 1983-07-06 | ROLLS-ROYCE plc | Apparatus for producing castings in a vacuum. |
| JPH07138012A (en) * | 1993-11-16 | 1995-05-30 | Sumitomo Sitix Corp | Device for casting silicon |
| CN102032783A (en) * | 2011-01-14 | 2011-04-27 | 李碚 | Cold crucible induction melting equipment for melting titanium or titanium alloy and melting and ingot pulling method |
| CN102935506A (en) * | 2012-11-08 | 2013-02-20 | 哈尔滨工业大学 | Continuous suspension type directional solidification casting device of cold crucible |
| CN105567991A (en) * | 2014-10-17 | 2016-05-11 | 宁波创润新材料有限公司 | Smelting device |
-
2018
- 2018-12-18 CN CN201811546126.3A patent/CN109930196A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0083205A2 (en) * | 1981-12-30 | 1983-07-06 | ROLLS-ROYCE plc | Apparatus for producing castings in a vacuum. |
| JPH07138012A (en) * | 1993-11-16 | 1995-05-30 | Sumitomo Sitix Corp | Device for casting silicon |
| CN102032783A (en) * | 2011-01-14 | 2011-04-27 | 李碚 | Cold crucible induction melting equipment for melting titanium or titanium alloy and melting and ingot pulling method |
| CN102935506A (en) * | 2012-11-08 | 2013-02-20 | 哈尔滨工业大学 | Continuous suspension type directional solidification casting device of cold crucible |
| CN105567991A (en) * | 2014-10-17 | 2016-05-11 | 宁波创润新材料有限公司 | Smelting device |
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