CN109822088A - Large high-temperature high-strength material vacuum precision Casting Equipment - Google Patents
Large high-temperature high-strength material vacuum precision Casting Equipment Download PDFInfo
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- CN109822088A CN109822088A CN201910287579.7A CN201910287579A CN109822088A CN 109822088 A CN109822088 A CN 109822088A CN 201910287579 A CN201910287579 A CN 201910287579A CN 109822088 A CN109822088 A CN 109822088A
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- 238000005495 investment casting Methods 0.000 title claims abstract description 20
- 239000000463 material Substances 0.000 title claims abstract description 11
- 238000009415 formwork Methods 0.000 claims abstract description 163
- 230000007246 mechanism Effects 0.000 claims abstract description 63
- 238000002844 melting Methods 0.000 claims abstract description 36
- 230000008018 melting Effects 0.000 claims abstract description 36
- 238000001816 cooling Methods 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims abstract description 13
- 230000007306 turnover Effects 0.000 claims abstract description 4
- 238000013519 translation Methods 0.000 claims description 24
- 230000003028 elevating effect Effects 0.000 claims description 15
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 238000005266 casting Methods 0.000 abstract description 25
- 238000010924 continuous production Methods 0.000 abstract description 3
- 239000000956 alloy Substances 0.000 description 14
- 229910045601 alloy Inorganic materials 0.000 description 14
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 230000009977 dual effect Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 239000013078 crystal Substances 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- Crucibles And Fluidized-Bed Furnaces (AREA)
Abstract
The invention belongs to precision casting equipment fields, more particularly to a kind of large high-temperature high-strength material vacuum precision Casting Equipment, including working chamber (1), formwork room (2), melting coil (5), formwork heater (6), formwork vehicle (9), working chamber's vacuum system (12) and formwork room vacuum system (13)；Working chamber (1) is fixedly connected with formwork room (2)；Connection mouth (801) are equipped between working chamber (1) and formwork room (2)；Melting coil (5) and formwork heater (6) are placed in working chamber (1)；Water cooling isolating valve (8) are equipped on formwork room (2) cavity top；Melting coil (5) is fixedly connected with sliding turnover structure；Formwork vehicle (9) is placed in except formwork room (2)；Top-pushing mechanism is fixed in fire door (901) rear end；Formwork (11) are equipped on formwork pallet (16).Heating speed of the present invention is fast, long service life, can be suitble to heavy castings continuous production.
Description
Technical field
The invention belongs to precision casting equipment fields more particularly to a kind of casting of large high-temperature high-strength material vacuum precision to set
It is standby.The equipment can be used for producing the equiax crystal precision casting of the large-sized high-temperature alloy of 100kg or more.
Background technique
Vacuum precision Casting Equipment be it is a kind of under vacuum or protective atmosphere carry out hot investment casting extraordinary metallurgy set
Standby, this equipment is mainly used for large-sized high temperature alloy precision casting.Traditional vacuum hot investment casting furnace uses vertical double-chamber structure,
Formwork room is in lower section, and working chamber is above.Working chamber carries out secondary remelting to base material alloy for inductor, also needs one in working chamber
Cover heating system of formwork.The metal liquid in crucible is poured into formwork after the completion of secondary remelting, formwork is according to different process
It is moved downward by certain speed.Until being fully removed working chamber, water cooling isolating valve separates the closing of two chambers.The broken sky in formwork 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 precision foundry furnace uses vertical double-chamber knot, to realize that formwork is (molten from lower room (formwork room) and upper chamber
Refine room) between transfer, need a set of vertical formwork transmission mechanism.The set mechanism needs to occupy vertical direction distance, so
Traditional vacuum precision foundry furnace will often dig the melt pit of 3~4m of depth or so for accommodating the mould on ground where furnace body
Shell traditional mechanism；Vacuum precision foundry furnace does not configure formwork heater generally according to the technological requirements, but when die housing increase, formwork
Cooling before casting can be bigger, this does not utilize the technical process of casting.Simultaneously as formwork size increases, melting coil
It higher position, excessively high distance must not be utilized above formwork not generate mechanical interference with formwork (or formwork heater)
Control the stability of liquid stream in casting process.
Summary of the invention
Fast the present invention is directed to provide a kind of heating speed in place of overcome the deficiencies in the prior art, long service life is cast
It is high-efficient, heavy castings quantity-produced large high-temperature high-strength material vacuum precision Casting Equipment can be suitble to.
In order to solve the above technical problems, the present invention is implemented as follows:
A kind of large high-temperature high-strength material vacuum precision Casting Equipment, including working chamber, formwork room, melting coil, formwork add
Hot device, formwork vehicle, working chamber's vacuum system and formwork room vacuum system；The working chamber is laterally fixedly connected with formwork room；Institute
It states and is equipped with connection mouth between working chamber and formwork room；The melting coil and formwork heater are placed in working chamber；In the mould
Housing chamber cavity top is longitudinally equipped with water cooling isolating valve；The water cooling isolating valve can be vertically moved along melting chamber outer wall to realize connection
The folding conversion of mouth；Heater elevating mechanism is longitudinally equipped in working chamber's cavity；The formwork heater and heater
The lifting part of elevating mechanism is fixedly connected；Heater elevation driving unit is fixed at the top of the working chamber；It is described
The power output end of heater elevation driving unit and the power intake of heater elevating mechanism are fixedly connected；The melting line
Circle is fixedly connected with sliding turnover structure；The formwork vehicle is placed in except formwork room；It is longitudinally fixed on the formwork vehicle to be equipped with
Fire door；Formwork translation mechanism is equipped in the front end of the fire door；On the formwork vehicle, top is laterally fixed in fire door rear end
Pushing mechanism；The working end of the top-pushing mechanism and the end of formwork translation mechanism are fixedly connected；On the formwork translation mechanism
It is fixed with formwork pallet；Formwork is equipped on the formwork pallet.
As a preferred embodiment, the present invention is fixed with charging mechanism and temperature measuring mechanism in the working chamber；It is described
The lower part of temperature measuring mechanism is fixed with temperature thermocouple；The temperature measuring mechanism is using longitudinal retractable structure.
Further, top-pushing mechanism of the present invention uses hydraulic cylinder；The end of push rod and formwork are flat in the hydraulic cylinder
The end of telephone-moving structure is fixedly connected.
Heating speed of the present invention is fast, long service life, and casting is high-efficient, can be suitble to heavy castings continuous production.The present invention
Using horizontal layout, no melt pit design is very suitable to the precision casting process of large-scale formwork.The present invention uses induction heating type mould
The features such as shell heater has heating speed fast compared with traditional resistor heat form, durable.
The present invention uses the continuous design of horizontal double-chamber structure.Working chamber is mainly used for the secondary smelting of master alloy, female conjunction
Gold charging thermometric, formwork heating, formwork casting etc..Formwork room is mainly used for the empty formwork received under non-vacuum or waits hot-die
It is cooling.To guarantee that the close smart casting process more than large capacity (100kg) is put down using the translatable melting coil system of large scale
Shifting function, which not only ensure that, does not generate mechanical interference with large-sized formwork heater, but also default song can be realized by translation functions
Line casting, greatly increases the quality of casting.
Compared with prior art, the present invention mainly has three aspect advantages:
1, using horizontal double-chamber structure, no melt pit design is small to site requirements；
2, working chamber and formwork room are separated using water cooling isolating valve, cooperates feeding chamber and temperature measuring mechanism, ensure that working chamber exists
Vacuum state is kept in multiple production cycles, and equipment is made to have continuous production function；
3, have the function of large scale formwork heater and melting coil translation, be suitble to the precision casting process of large scale formwork.
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 not only office
It is limited to the statement of following content.
Fig. 1 is overall structure of the present invention.
In figure: 1, working chamber；2, formwork room；3, charging mechanism；4, temperature measuring mechanism；5, melting coil；6, formwork heater；
7, heater elevating mechanism；701, lifting part；8, water cooling isolating valve；801, connection mouth；9, formwork vehicle；10, formwork translates machine
Structure；11, formwork；12, working chamber's vacuum system；13, formwork room vacuum system；14, hydraulic cylinder；15, heater lifting driving is single
Member；16, formwork pallet；17, temperature thermocouple.
Specific embodiment
As shown, large high-temperature high-strength material vacuum precision Casting Equipment, including working chamber 1, formwork room 2, melting
Coil 5, formwork heater 6, formwork vehicle 9, working chamber's vacuum system 12 and formwork room vacuum system 13；The working chamber 1 and mould
Housing chamber 2 is laterally fixedly connected；Connection mouth 801 is equipped between the working chamber 1 and formwork room 2；The melting coil 5 and formwork add
Hot device 6 is placed in working chamber 1；Water cooling isolating valve 8 is longitudinally equipped on the 2 cavity top of formwork room；The water cooling isolating valve 8 can
The folding conversion to realize connection mouth 801 is vertically moved along 1 outer wall of working chamber；It is longitudinally equipped with and adds in 1 cavity of working chamber
Hot device elevating mechanism 7；The lifting part 701 of the formwork heater 6 and heater elevating mechanism 7 is fixedly connected；Described molten
The top of refining room 1 is fixed with heater elevation driving unit 15；The power output end of the heater elevation driving unit 15
It is fixedly connected with the power intake of heater elevating mechanism 7；The melting coil 5 is fixedly connected with sliding turnover structure；Institute
Formwork vehicle 9 is stated to be placed in except formwork room 2；It is longitudinally fixed on the formwork vehicle 9 to be equipped with fire door 901；Before the fire door 901
End is equipped with formwork translation mechanism 10；On the formwork vehicle 9, top-pushing mechanism is laterally fixed in 901 rear end of fire door；The top
The working end of pushing mechanism and the end of formwork translation mechanism 10 are fixedly connected；Mould is fixed on the formwork translation mechanism 10
Shell pallet 16；Formwork 11 is equipped on the formwork pallet 16.
The present invention is fixed with charging mechanism 3 and temperature measuring mechanism 4 in the working chamber 1；The lower part of the temperature measuring mechanism 4
It is fixed with temperature thermocouple 17；The temperature measuring mechanism 4 is using longitudinal retractable structure.Top-pushing mechanism of the present invention uses liquid
Cylinder pressure 14；The end of push rod 1401 and the end of formwork translation mechanism 10 are fixedly connected in the hydraulic cylinder 14.
Shown in Figure 1, main structure of the present invention includes working chamber 1, formwork room 2, charging mechanism 3, temperature measuring mechanism 4, melts
Refine coil 5, formwork heater 6, heater elevating mechanism 7, water cooling isolating valve 8, formwork vehicle 9, formwork translation mechanism 10, formwork
11, working chamber's vacuum system 12 and formwork room vacuum system 13, above-mentioned technical characteristic form a horizontal two chamber vacuum furnace knot
Structure.Wherein working chamber 1 and formwork room 2 are welded structure, collectively constitute oven body part.Melting coil 5 and formwork heater 6 are set
In working chamber 1, working chamber 1 and formwork room 2 are equipped with independent fire door, for installation and casting manipulations.Water cooling isolating valve 8 is set
In in the cavity of formwork room 2, for realizing the sealing between working chamber 1 and formwork room 2, water cooling isolating valve 8 uses water-cooling structure,
It prevents from being deformed in hot state valve plate for a long time.Melting coil 5 is provided simultaneously with overturning casting pouring functions and translation functions, it is ensured that
Stablize casting curve.Formwork heater 6 uses induction heating mode, is driven by heater elevating mechanism 7 and heater lifting
The oscilaltion function of the realization formwork heater 6 of unit 15.
Formwork vehicle 9 is placed in except formwork room 2, it mainly has two big functions, and one acts as the fire door function of formwork room 2,
Guarantee that formwork 11 enters in room formwork room 2, the second is carrier and hydraulic cylinder 14, formwork pallet 16 as formwork translation mechanism 10
It is common to complete formwork 11 being smoothly transported to the designated position in working chamber 1, the i.e. underface of formwork heater 6.Temperature measuring machine
Structure 4 is located in working chamber 2, and melting coil 5 translates the surface of initial position, is immersed temperature thermocouple 17 by own institutions
Just in the master alloy melt of melting, the operation of melting thermometric is carried out.
The present invention uses horizontal no pit structure, small to site requirements；It is laid out using dual chamber, working chamber passes through with formwork room
Isolating valve separates, and two Room are equipped with vacuum system, may respectively be its alone evacu.Melting coil has translation functions.Formwork adds
Hot device has the function of oscilaltion.
The present invention makes the indoor formwork heater of melting and melting using horizontal no melt pit layout, dual chamber continuous structure
The groundworks unit such as coil guarantor is hot to vacuum, and equipment is made to have the ability worked continuously.It is laid out by using horizontal dual chamber,
It separates between two furnace chambers through isolating valve, thus can realize under continuous duty, working chamber is protected to the hot state of vacuum.
The present invention uses translatable melting coil, and coil is in melting position when melting, can carry out thermometric and charging etc.
Operation.When casting, melting coil translation to casting position can cooperate casting curve to carry out translation motion.The present invention, which uses, to be had
The formwork heater of elevating function, when formwork is moved to working chamber designated position, heater is moved down, and covers formwork completely, and
Heating operation is carried out to it, when complete heat when casting, heater can quickly on move on to initial position, do not interfere translation coil
Casting operation.
Present device operational process is summarized:
1, prepare alloy and formwork used, and routine inspection is carried out to equipment, functions feedback is normal, after alarm without exception
Starting device；
2, master alloy is placed in the crucible of melting coil 5, formwork 11 is placed on formwork pallet 16；
3, water cooling isolating valve 8 is in close state, and closes fire door, passes through working chamber's vacuum system 12 and formwork room vacuum system respectively
Unite 13 pairs of working chambers 1, formwork room 2 is both to carry out vacuumizing operation；
4, after 1 vacuum degree of working chamber reaches specified numerical value, formwork heater 6 is powered, and carries out heating heating operation by blas；
5, after working chamber 1 and formwork room 2 reach specified vacuum degree, water cooling isolating valve 8 is opened, and working chamber 1 and formwork room 2 connect
It is logical；
6, formwork translation mechanism 10 works, and hydraulic cylinder 14 drives formwork pallet 16 that formwork 11 is moved to 1 designated position of working chamber,
The position is usually the underface of formwork heater 6；
7, heater elevating mechanism 7 works, and provides power by heater elevation driving unit 15 and formwork heater 6 is dropped to finger
Positioning is set, and formwork 11 is covered, and is heated to formwork 11；
8, after formwork 11 reaches predetermined temperature and keeps the temperature a period of time by technique, start intermediate frequency power supply, melting coil 5 is carried out
High-power energization, master alloy melts at this time.Temperature thermocouple 17 can be immersed in master alloy melt by temperature measuring mechanism 4 at this time
Carry out thermometric operation.When master alloy melt, which reaches assigned temperature, has casting condition, temperature measuring mechanism 4 must be by temperature thermocouple
17 draw back to in-house；
9, melting coil 5 is translated by blas, moves to specified casting position, and the casting curve of An Jiding closes mother
Golden melt pours into formwork 11；
10, pass through heater elevating mechanism 7 and heater elevation driving unit by formwork heater 6 after set standing several minutes
15 rise to the initial position of 11 top of formwork, prevent formwork 11 from generating mechanical collision when translating.Melting coil 5 is restored to simultaneously
Overturning 0 is moved to melting position (translation initial bit)；
11, formwork translation mechanism 10 works, and hydraulic cylinder 14 drives formwork pallet 16 that formwork 11 is moved to 2 designated position of formwork room
Afterwards, working chamber 1, formwork room 2 are kept apart in the closing of water cooling isolating valve 8；
If 12, standing the time by technique requirement, after formwork is cooled to certain temperature, the closing of formwork room vacuum system 13 is vacuumized
Valve, formwork room 2 carry out brokenly idle job, and formwork vehicle 9 is displaced outwardly, and formwork 11 leaves formwork room 2 completely；
13, formwork 11 is taken out, new master alloy is added in the case where not destroying vacuum by melting coil 5 by charging mechanism 3
It is interior；
14, repeatedly the above 2-13 step, it can be achieved that continous way production technology.
The present invention is used to produce the equiax crystal precision casting of the large-sized high-temperature alloy of 100kg or more.The present invention is a kind of
The vacuum precision foundry furnace of 100kg or more (containing 100kg) capacity, tool melting coil translation, are suitble to large size at the lifting of formwork heater
The features such as casting, fast productive temp.The present invention uses horizontal layout, no melt pit design.It is very suitable to the accurate casting of large-scale formwork
Make technique.Use feeling answers heat form formwork heater, has heating speed fast, sturdy resistance to compared with traditional resistor heat form
The features such as using.The present invention is also applied to need high temperature for gas turbine etc. to be other in addition to it can be applied to aerospace field
The industry of alloy precision casting.
In the present invention unless specifically defined or limited otherwise, the terms such as term " setting ", " connection ", " fixation " are answered
It is interpreted broadly, for example, it may be being fixedly connected, may be a detachable connection, or is integral；It can be mechanical connection,
It can be electrical connection；It can be directly connected, the company inside two elements can also be can be indirectly connected through an intermediary
Logical or two elements interaction relationship unless otherwise restricted clearly for the ordinary skill in the art, can
To understand the concrete meaning of above-mentioned term in the present invention as the case may be.
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 (3)
1. a kind of large high-temperature high-strength material vacuum precision Casting Equipment, which is characterized in that including working chamber (1), formwork room
(2), melting coil (5), formwork heater (6), formwork vehicle (9), working chamber's vacuum system (12) and formwork room vacuum system
(13)；The working chamber (1) is laterally fixedly connected with formwork room (2)；Connection is equipped between the working chamber (1) and formwork room (2)
Port (801)；The melting coil (5) and formwork heater (6) are placed in working chamber (1)；On formwork room (2) cavity
Portion is longitudinally equipped with water cooling isolating valve (8)；The water cooling isolating valve (8) can vertically move along working chamber's (1) outer wall to realize connection
The folding conversion of mouth (801)；Longitudinally heater elevating mechanism (7) are equipped in the working chamber (1) cavity；The formwork heating
Device (6) and the lifting part (701) of heater elevating mechanism (7) are fixedly connected；It is fixed at the top of the working chamber (1)
Heater elevation driving unit (15)；The power output end and heater elevating mechanism of the heater elevation driving unit (15)
(7) power intake is fixedly connected；The melting coil (5) is fixedly connected with sliding turnover structure；The formwork vehicle (9) is set
Except formwork room (2)；It is longitudinally fixed on the formwork vehicle (9) to be equipped with fire door (901)；In the front end of the fire door (901)
Equipped with formwork translation mechanism (10)；On the formwork vehicle (9), top-pushing mechanism is laterally fixed in fire door (901) rear end；Institute
The end of the working end and formwork translation mechanism (10) of stating top-pushing mechanism is fixedly connected；It is solid on the formwork translation mechanism (10)
Surely formwork pallet (16) are equipped with；Formwork (11) are equipped on the formwork pallet (16).
2. large high-temperature high-strength material vacuum precision Casting Equipment according to claim 1, it is characterised in that: described
Charging mechanism (3) and temperature measuring mechanism (4) are fixed in working chamber (1)；The lower part of the temperature measuring mechanism (4) is fixed with thermometric
Thermocouple (17)；The temperature measuring mechanism (4) is using longitudinal retractable structure.
3. large high-temperature high-strength material vacuum precision Casting Equipment according to claim 2, it is characterised in that: the top
Pushing mechanism uses hydraulic cylinder (14)；The end of the end Yu formwork translation mechanism (10) of push rod (1401) in the hydraulic cylinder (14)
It is fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910287579.7A CN109822088B (en) | 2019-04-11 | 2019-04-11 | Large-scale high-temperature high-strength material vacuum precision casting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910287579.7A CN109822088B (en) | 2019-04-11 | 2019-04-11 | Large-scale high-temperature high-strength material vacuum precision casting equipment |
Publications (2)
| Publication Number | Publication Date |
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| CN109822088A true CN109822088A (en) | 2019-05-31 |
| CN109822088B CN109822088B (en) | 2024-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910287579.7A Active CN109822088B (en) | 2019-04-11 | 2019-04-11 | Large-scale high-temperature high-strength material vacuum precision casting equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110814326A (en) * | 2019-11-13 | 2020-02-21 | 中国航发动力股份有限公司 | Formwork adjusting tool for vacuum solidification furnace and using method |
| CN112548082A (en) * | 2021-02-19 | 2021-03-26 | 上海鑫蓝海自动化科技有限公司 | Mould shell lifting device of vacuum precision casting furnace |
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| CN209830260U (en) * | 2019-04-11 | 2019-12-24 | 沈阳真空技术研究所有限公司 | Large-scale high-temperature high-strength material vacuum precision casting equipment |
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2019
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| JP2000317627A (en) * | 1999-05-10 | 2000-11-21 | Shinko Electric Co Ltd | Vacuum induction furnace equipment |
| JP2007203311A (en) * | 2006-01-31 | 2007-08-16 | Daido Steel Co Ltd | Apparatus for producing magnesium alloy cast billet |
| CN101352755A (en) * | 2008-09-18 | 2009-01-28 | 冬燕 | Equipment and technique for ladle-to-ladle, degasification and vacuum ingot casting of multiple-slide runner ladle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110814326A (en) * | 2019-11-13 | 2020-02-21 | 中国航发动力股份有限公司 | Formwork adjusting tool for vacuum solidification furnace and using method |
| CN110814326B (en) * | 2019-11-13 | 2022-03-08 | 中国航发动力股份有限公司 | Formwork adjusting tool for vacuum solidification furnace and using method |
| CN112548082A (en) * | 2021-02-19 | 2021-03-26 | 上海鑫蓝海自动化科技有限公司 | Mould shell lifting device of vacuum precision casting furnace |
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| Publication number | Publication date |
|---|---|
| CN109822088B (en) | 2024-05-07 |
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