CN201291297Y - Device for fusion casting process of metal material - Google Patents
Device for fusion casting process of metal material Download PDFInfo
- Publication number
- CN201291297Y CN201291297Y CNU2008201787298U CN200820178729U CN201291297Y CN 201291297 Y CN201291297 Y CN 201291297Y CN U2008201787298 U CNU2008201787298 U CN U2008201787298U CN 200820178729 U CN200820178729 U CN 200820178729U CN 201291297 Y CN201291297 Y CN 201291297Y
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- Prior art keywords
- vacuum
- casting
- metal material
- electrical control
- control gear
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Abstract
The utility model relates to a device used for casting and forming the metal material. The device comprises an intermediate frequency power supply, an electrical control gear, a vacuum apparatus and a hydraulic open and close device; wherein the intermediate frequency power supply is connected with the vacuum apparatus by an intermediate frequency cable; the electrical control gear is connected with the vacuum apparatus by a control and/or feedback line and a power line; the vacuum apparatus comprises a vacuum pumping set, vacuum casting rooms and rotating motors, wherein the vacuum pumping set is connected with the vacuum casting rooms by a vacuum pipe, and the vacuum casting room is connected with the electrical control gear by the rotating motors and a power line; the hydraulic open and close device is connected with the electrical control gear by a control and feedback line and a power line. In the device of the utility model, the intermediate frequency power supply with the double power supply structure and two sets of vacuum casting rooms and rotating motors are adopted, so that when one vacuum casting room is used for loading and unloading workpiece and for cooling and crystallizing, the power supply is used for melting and casting in the other vacuum casting room. In addition, the vacuum device is used for producing an induction heating element heated or stirred by electromagnetism and can adopt the no-crucible structure, so as to reduce the workload of maintenance.
Description
Technical field
The utility model relates in general to a kind of equipment that is used for metal material casting, more specifically, relates to the electromechanical equipment of the active nonferrous materials fusion cast process of a kind of high-melting-point.
Background technology
The vacuum intermediate frequency (IF) smelting has been widely used in metallurgy industry, and normal pressure hot investment casting and centrifugal casting also have been widely used in casting industry.The technology of promoting at present has suction pouring, evaporative pattern precise casting and vacuum induction melting.
The suction pouring technology.Oxide inclusion is few under negative pressure; Suction function reduces the back pressure in the type, has significantly improved the mold-filling capacity of foundry goods; It is low 100～150 ℃ than gravitational casting to inhale the casting temperature; Using rate of metal height, product yield can reach 90%; With common precision casting technology comparative productivity height (improving 85%～135%).But its shortcoming is as follows: A, smelting furnace are bigger, and once Rong Hua material is a lot, does not save the energy; B, smelting furnace liquid level need to keep furnace pressure just like atmospheric gas pressure makes molten metal rise to die cavity; C, casting mold need preheating, cause casting crystalline grain thick, mechanical properties decrease; Of no help compression pressure when D, casting solidification, shrinkage cavity, shrinkage defect may take place in foundry goods.
The evaporative pattern precise casting.Begin to drop into the new technology of commercial Application the eighties in last century, because of it has also used negative pressure technique in moulding and casting cycle, characteristics such as the high surface roughness of casting dimension accuracy is low, machining amount is few so it has, low in the pollution of the environment, labor productivity height.It is a kind of generally acknowledged promising near clean type process technology and clearer production technology.And its shortcoming is: A, foamed plastics molding, and when casting foam be heated vaporization, burning disappearance; The molding trouble, and certain pollution is arranged; B, want a large amount of quartzy molding sand, sandboxes and add sand and the vibration molding device modeling, equipment and manual request height, moulding are slow, the molding sand cooling is slow behind the knockout, integrated cost is high; C, annotate the difficult vacuum of use of molten metal process, the die cavity vacuum of casting low (0.2MPa～-0.8MPa) be not suitable for the active metal.
Vacuum induction melting.Present existing equipment is all metal smelt, ingot casting usefulness, generally all with behind crucible melting and the intact metal of refining, makes molten metal be poured into ingot mould the crucible upset.It is not the final molding processing of part.
Existing vaccum sensitive stove or negative pressure of vacuum foundry engieering have been the crucible structure.
The utility model content
The utility model is the integrated of vacuum induction melting and negative pressure of vacuum casting, has eliminated the shortcoming of above technology and has contained their whole advantages.In addition, also incorporated electromagnetic agitation, centrifugal casting and etc. static pressure crystallisation by cooling technology make the utility model can directly apply to the moulding of precision, complex parts
Technical problem to be solved in the utility model is: a kind of equipment of metal material casting is provided, this equipment when a vacuum casting chamber during at workpiece loading and unloading and crystallisation by cooling power supply can continue to be powered at the melting and the casting of another vacuum casting chamber; In addition, not only can realize vacuum intermediate frequency (IF) smelting and vacuum casting simultaneously, overcome process that need to use crucible to cast once more, and can carry out electromagnetic agitation to molten metal in intermediate frequency (IF) smelting and vacuum casting, crystal grain is tiny to obtain, the foundry goods of dense structure, function admirable.
In order to solve the problems of the technologies described above, the utility model provides a kind of system of metal material casting, comprising: intermediate frequency power supply is connected with vacuum plant by immediate frequency cable; Electrical control gear links to each other with described vacuum plant by control and feedback line, power line; Described vacuum plant, further comprise vavuum pump group, vacuum casting chamber and rotation motor, wherein said vavuum pump group links to each other with described vacuum casting chamber by vacuum line, and described vacuum casting chamber then is connected with electrical control gear with power line by described rotation motor; And hydraulic opening-closing device, link to each other with described electrical control gear by control and feedback line, power line.
As preferred structure of the present utility model, wherein said vacuum casting chamber and rotation motor respectively have two covers, and described intermediate frequency power supply adopts the duplicate supply structure.The more present single electric power-feeding structure of this structure has improved usage ratio of equipment, has reduced equipment investment.
As further preferred structure of the present utility model, wherein said vacuum plant adopts no crucible structure.Do not need crucible during melting, not only make the utility model equipment reduce fault and auxilliary material consumption, reduced the distance for the treatment of melt material and inductor simultaneously yet, thereby improved energy utilization rate and use cost is reduced.
As another preferred structure of the present utility model, wherein said electrical control gear can further comprise: the built-in instrument programmable logic controller (PLC) of PLC; Possess the motion graphics Presentation Function, tape jam diagnostic alarms device.
PLC (Programmable Logic Control) instrument FPGA control is the built-in and tape jam diagnosis of PLC, alarm multifunction device, possesses the motion graphics Presentation Function, use Chinese language, have friendly man-machine interface, operating personnel can realize various operations to these other equipment of utility model easily by man-machine interface.
The utility model equipment treated metal material is owing to be direct forming in vacuum environment, and it has not only avoided oxidation and metallurgical imperfection, but also has improved metallurgical tissue, and part quality is improved greatly.Owing to adopt heating in medium frequency, make speed of melting fast, the device efficiency height, size is little, automaticity is high.Its speed of melting can reach 2.5kg/min, and the time that reaches the working vacuum degree, power utilization efficient was more than 90% less than 1 minute, and smart casting qualification rate is more than 90%.And change jobs owing to adopting a set of equipment to join two cover vacuum meltings casting chambers wheels, with the raising utilization rate of equipment and installations.Adopt PLC control, touch screen operation shows; Equipment dependability and stability are improved, and labour intensity descends.
Description of drawings
Fig. 1 shows the block diagram of vacuum intermediate frequency metal material processing equipment; And
Fig. 2 is according to technical matters flow chart of the present utility model.
The specific embodiment
The general structure that realizes the utility model equipment has four parts (as shown in Figure 1): intermediate frequency power supply, electrical control gear, hydraulic opening-closing device and vacuum plant (comprising vavuum pump group, vacuum casting chamber and rotation motor).This equipment adopts the intermediate frequency power supply of duplicate supply structure and vacuum casting chamber and rotation motor that two covers are respectively arranged, make when one of them vacuum casting chamber during at workpiece loading and unloading and crystallisation by cooling this power supply be powered at the melting and the casting of another vacuum casting chamber.Vacuum casting chamber in this vacuum plant then comprises and is used for producing electromagnetism heating or inductive heating element (referring to as the camber line on Fig. 1 founding element) that stirs and vacuum casting chamber employing no crucible structure (not shown), make mold-filling capacity higher, also shortened running channel simultaneously.
Referring to Fig. 1.Intermediate frequency power supply is connected with vacuum plant by immediate frequency cable; Electrical control gear links to each other with described vacuum plant by control and/or feedback line, power line; Described vacuum plant, further comprise vavuum pump group, vacuum casting chamber and rotation motor, wherein said vavuum pump group links to each other with described vacuum casting chamber by vacuum line, and described vacuum casting chamber then is connected with electrical control gear with power line by described rotation motor; And hydraulic opening-closing device links to each other with described electrical control gear by control and feedback line, power line.
The utility model has adopted following structure: transistor intermediate frequency power supply duplicate supply structure (power supply is for two stoves); The vacuum casting chamber is adopted no crucible structure (not needing crucible during melting) and is contained sensing element, with the spun casting of electromagnetism stirring vacuum, eliminated cold shut, make nascent brilliant fully fragmentation and nodularization to change crystalline structure, obtain that crystal grain is tiny, the product of dense structure, function admirable, improved mold-filling capacity and casting quality.
Each several part is to using the processing of vacuum intermediate frequency to metal material in the utility model equipment, particularly to the realization of the active nonferrous materials fusion cast process of high-melting-point, then undertaken by technical matters flow chart as Fig. 2 of embodiment, therefrom also can find out the two working chambers one after the other work in the utility model equipment.Also can adopt other inert gases the argon gas in Fig. 2.
As embodiment, the desired technical performance index of the utility model equipment is as follows:
Melting weight: 2～6kg
The metal bar material requirement
Metal bar material diameter 31.5～80mm
Metal bar material length 100～350mm
Melting
Speed of melting 2.0～2.25kg/min
Melting state vacuum
The melting power supply
Power supply of power work mode is for two casting furnace work
The casting mode
Casting mode teeming formula
Casting state vacuum, centrifugal
The rotation of mould state
Cool off and solidify
Cooling and curdled appearance malleation 0.4～0.6MPa
The vacuum system requirement
The working vacuum degree can be between 0.01 to 100Pa.
The utility model can be widely used in complex-shaped and require the direct forming of accurate part (as the engine turbine booster) and thin-walled precision component (as metal hand casing, watch case) etc. to process, a large amount of forging and pressing, punching press, machining and heat treatment step be can save, thereby a large amount of energy, Rare Metals Materials and manpower saved.Be specially adapted to the casting of high melting point metal materials and active metal material (as stainless steel, nickel-base alloy, titanium-base alloy, zirconium-base alloy and tungsten-bast alloy etc.).
Run through above-mentioned specification and described other embodiment of the present utility model in the place of being convenient to understand the embodiment environment most.Furthermore, the utility model that its specific embodiment is carried out reference has been described.Yet, very clear, may carry out various modifications and variations and not depart from more wide aim of the present utility model and scope it.Therefore, this specification will be regarded as exemplary rather than restrictive with implication accompanying drawing.
Claims (5)
1. an equipment that is used for metal material casting is characterized in that, comprising:
Intermediate frequency power supply is connected with vacuum plant by immediate frequency cable;
Electrical control gear links to each other with described vacuum plant by control and feedback line, power line;
Described vacuum plant, further comprise vavuum pump group, vacuum casting chamber and rotation motor, wherein said vavuum pump group links to each other with described vacuum casting chamber by vacuum line, and described vacuum casting chamber then is connected with electrical control gear with power line by described rotation motor; And
Hydraulic opening-closing device links to each other with described electrical control gear by control and feedback line, power line.
2. metal material casting equipment according to claim 1 is characterized in that described vacuum casting chamber and rotation motor respectively have two covers, and described intermediate frequency power supply adopts the duplicate supply structure.
3. metal material casting equipment according to claim 1 and 2 is characterized in that, described vacuum casting chamber comprises the inductive heating element that is used to produce electromagnetism heating and/or stirring.
4. metal material casting equipment according to claim 3 is characterized in that, no crucible structure is adopted in described vacuum casting chamber.
5. metal material casting equipment according to claim 4 is characterized in that, described electrical control gear further comprises: the built-in instrument programmable logic controller (PLC) of PLC; And possesses the device motion graphics Presentation Function, the tape jam diagnostic alarms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201787298U CN201291297Y (en) | 2008-11-12 | 2008-11-12 | Device for fusion casting process of metal material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201787298U CN201291297Y (en) | 2008-11-12 | 2008-11-12 | Device for fusion casting process of metal material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201291297Y true CN201291297Y (en) | 2009-08-19 |
Family
ID=41004751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201787298U Expired - Lifetime CN201291297Y (en) | 2008-11-12 | 2008-11-12 | Device for fusion casting process of metal material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201291297Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101823137A (en) * | 2010-05-24 | 2010-09-08 | 陕西斯瑞工业有限责任公司 | Method for preparing TiAl alloy by adopting vacuum fusion casting method |
| CN101391295B (en) * | 2008-11-12 | 2011-07-20 | 丁东胜 | Metal material casting system and method |
| CN103071784A (en) * | 2013-01-21 | 2013-05-01 | 沈阳真空技术研究所 | Electromagnetic-stirring pressurized centrifugal large-opening vacuum fusion casting furnace |
-
2008
- 2008-11-12 CN CNU2008201787298U patent/CN201291297Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101391295B (en) * | 2008-11-12 | 2011-07-20 | 丁东胜 | Metal material casting system and method |
| CN101823137A (en) * | 2010-05-24 | 2010-09-08 | 陕西斯瑞工业有限责任公司 | Method for preparing TiAl alloy by adopting vacuum fusion casting method |
| CN103071784A (en) * | 2013-01-21 | 2013-05-01 | 沈阳真空技术研究所 | Electromagnetic-stirring pressurized centrifugal large-opening vacuum fusion casting furnace |
| CN103071784B (en) * | 2013-01-21 | 2014-12-10 | 沈阳真空技术研究所 | Electromagnetic-stirring pressurized centrifugal large-opening vacuum fusion casting furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20090819 Effective date of abandoning: 20081112 |