CN108672656A - A kind of casting method of turbo blade casting device and turbo blade - Google Patents
A kind of casting method of turbo blade casting device and turbo blade Download PDFInfo
- Publication number
- CN108672656A CN108672656A CN201810895343.7A CN201810895343A CN108672656A CN 108672656 A CN108672656 A CN 108672656A CN 201810895343 A CN201810895343 A CN 201810895343A CN 108672656 A CN108672656 A CN 108672656A
- Authority
- CN
- China
- Prior art keywords
- tube body
- outer tube
- sandbox
- turbo blade
- heating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/04—Influencing the temperature of the metal, e.g. by heating or cooling the mould
Abstract
The present invention relates to a kind of turbo blade casting devices, including sandbox, sand mold and sand core, heating-cooling coil is equipped in the sand mold, the heating-cooling coil includes outer tube body, interior tube body in outer tube body, supporting rod in interior tube body, it is set around the electromagnetic coil on the supporting rod surface, the supporting rod is fabricated from a flexible material, said inner tube body is made of non-magnetic material, the outer tube body is made of magnetic material, it is water transport channel between the medial surface of the outer tube body and the lateral surface of interior tube body, the electromagnetic coil is connect by conducting wire with external high frequency electric source.The turbo blade casting device of the present invention.
Description
Technical field
The present invention relates to a kind of casting device more particularly to a kind of turbo blade casting devices, moreover, it relates to
A kind of casting method of turbo blade.
Background technology
Large-scale turbo blade working environment is severe, therefore it must have the characteristics that wear-resisting, intensity is high, good toughness, casting
Ensure that X-ray is made film 2 grades to require.And existing casting device is when casting turbo blade, due to construction technology and device itself
The reason of, the problems such as being frequently present of shrinkage cavity and porosity, leakage, cold shut, to reduce the quality of casting.In addition, existing turbine
The casting device of blade, it is general not have the device being heated or cooled, external offer heating device or cooling device are provided, used
It is not very convenient.
In view of the above shortcomings, the designer, is actively subject to research and innovation, to found a kind of new structural turbine
Blade casting device makes it with more the utility value in industry.
Invention content
In order to solve the above technical problems, the object of the present invention is to provide a kind of turbo blades with heating and refrigerating function
Casting device, in addition the present invention also provides a kind of casting method of turbo blade, the casting quality which casts out compared with
It is high.
The turbo blade casting device of the present invention, including sandbox, sand mold and sand core, the sand mold is interior to be equipped with heating cooling
Pipe, the heating-cooling coil includes outer tube body, the interior tube body in outer tube body, the supporting rod in interior tube body, is set around
The electromagnetic coil on the supporting rod surface, the supporting rod are fabricated from a flexible material, and said inner tube body is made of non-magnetic material,
The outer tube body is made of magnetic material, is water transport channel, institute between the medial surface of the outer tube body and the lateral surface of interior tube body
Electromagnetic coil is stated to connect with external high frequency electric source by conducting wire.
Further, the end set of turbo blade casting device of the invention, the outer tube body has connector, the company
Connector is equipped with the storage tank being adapted to outer tube body, and the perforation passed through for said inner tube body is arranged in the bottom of the storage tank, even
The water inlet pipe being connected to storage tank is provided on the side wall of connector.
Further, turbo blade casting device of the invention, the water inlet pipe are connect by screw thread with the connector,
The connector is connect by screw thread with the outer tube body.
Further, turbo blade casting device of the invention, the bottom of the storage tank are provided with sealing ring.
Further, turbo blade casting device of the invention, the outer tube body is made of stainless steel or copper product, described
Interior tube body is made of plastics, and the supporting rod is made of iron or plastics.
Further, turbo blade casting device of the invention, the sandbox include left sandbox and right sandbox, left sandbox and
Heating-cooling coil is both provided in the sand core of right sandbox, the end of heating-cooling coil passes through the side wall of sandbox to enter inside sand mold
And it is pierced by from the side wall of sandbox.
According to the above aspect of the present invention, the present invention has at least the following advantages：The turbo blade casting device of the present invention, heating cooling
The setting of pipe realizes heating and the refrigerating function of sand core.Specifically, before material pours, by heating-cooling coil to sand mold
It is heated, riser temperature on its inner wall and sandbox is made to reach predetermined value.When heating, electromagnetic coil connects with external high frequency power supply
Logical, electromagnetic coil generates alternating magnetic field under high frequency electric source excitation, and the outer tube body made of magnetic material is poor under magnetic fields
Heat amount, to be heated to sand mold.When it is implemented, heating-cooling coil is located at through sand mold medial surface, to improve
Its efficiency of heating surface.After reaching predetermined temperature, operating personnel start to pour into a mould.After casting complete, operating personnel can be logical by water delivery
Road carries out fast cooling to sand mold and casting, to promote casting to be molded.
In conclusion the present invention turbo blade casting device have heating and refrigerating function, can quickly to sand mold into
Row heating, to accelerate to pour into a mould, while it can also quickly cool down to sand mold, to accelerate casting molding.
A kind of casting method of turbo blade, includes the following steps：
S1：By weight, by 20% pig iron, 50% cold-reduced sheet steel scrap and 30% foundry returns merging smelting furnace in melt
Refining, heat preservation standing 10 minutes after smelting temperature reaches 1500 DEG C to 1530 degrees Celsius；
S2：Material after melting is come out of the stove, nodularization packet is poured into after it is cooled to 1480 DEG C and carries out nodularization 60~90 seconds；
S3：By the material converter after nodularization and and inovulant is added breeds；
S4：Sand mold is heated by heating-cooling coil, until riser temperature reaches 80 degrees Celsius；
S5：Material is poured into turbo blade casting device after being down to 1320~1360 DEG C and carried out by the temperature of charge after breeding
Cast；
Wherein, turbo blade casting device includes sandbox, sand mold and sand core, and heating-cooling coil, institute are equipped in the sand mold
It includes outer tube body, the interior tube body in outer tube body, the supporting rod in interior tube body to state heating-cooling coil, is set around the branch
The electromagnetic coil of strut surfaces, the supporting rod are fabricated from a flexible material, and said inner tube body is made of non-magnetic material, described outer
Tube body is made of magnetic material, is water transport channel, the electromagnetism between the medial surface of the outer tube body and the lateral surface of interior tube body
Coil is connect by conducting wire with external high frequency electric source, and the end set of the outer tube body has connector, is set on the connector
There are the storage tank being adapted to outer tube body, the bottom of the storage tank that the perforation passed through for said inner tube body, the side of connector are set
The water inlet pipe being connected to storage tank is provided on wall, the water inlet pipe is connect by screw thread with the connector, the connector
It is connect with the outer tube body by screw thread, the bottom of the storage tank is provided with sealing ring, and the outer tube body is by stainless steel or copper
Material is made, and said inner tube body is made of plastics, and the supporting rod is made of iron or plastics, and the sandbox includes left sandbox and the right side
Heating-cooling coil is both provided in the sand core of sandbox, left sandbox and right sandbox, the end of heating-cooling coil passes through the side wall of sandbox
Enter inside sand mold and be pierced by from the side wall of sandbox, cast gate is set on sandbox, material by cast gate enter sand core and sand mold it
Between.
The casting method of the turbo blade of the present invention, pouring temperature is relatively low, so that operating personnel can be by big
Type sprue cup, which is taken to pour soon, quickly to be filled the mode of type and realizes cast, it is therefore prevented that cast for a long time to the caused slag inclusion of type wall baking,
Burning into sand improves the yield rate and quality of casting.
Above description is only the general introduction of technical solution of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, below with presently preferred embodiments of the present invention and after coordinating attached drawing to be described in detail such as.
Description of the drawings
Fig. 1 is the structural schematic diagram of the turbo blade casting device of the present invention；
Fig. 2 is the structural schematic diagram of heating-cooling coil；
Fig. 3 is the structural schematic diagram of turbo blade.
In figure, 1：Sandbox；2：Sand mold；3：Sand core；4：Heating-cooling coil；5：Outer tube body；6：Interior tube body；7：Supporting rod；8：
Electromagnetic coil；9：Water transport channel；10：Connector；11：Storage tank；12：Perforation；13：Water inlet pipe；14：Sealing ring；15：Left sand
Case；16：Right sandbox.
Specific implementation mode
With reference to the accompanying drawings and examples, the specific implementation mode of the present invention is described in further detail.Implement below
Example is not limited to the scope of the present invention for illustrating the present invention.
Referring to Fig. 1 to Fig. 3, a kind of turbo blade casting device of a preferred embodiment of the present invention, including sandbox 1, sand mold 2
With sand core 3, sand mold is interior to be equipped with heating-cooling coil 4, and heating-cooling coil includes outer tube body 5, the interior tube body 6 in outer tube body, position
In the supporting rod 7 in interior tube body, be set around the electromagnetic coil 8 on supporting rod surface, supporting rod is fabricated from a flexible material, interior tube body by
Non-magnetic material is made, and outer tube body is made of magnetic material, is water delivery between the medial surface of outer tube body and the lateral surface of interior tube body
Channel 9, electromagnetic coil are connect by conducting wire with external high frequency electric source.
The setting of heating-cooling coil realizes heating and the refrigerating function of sand core.Specifically, before material pours, pass through
Heating-cooling coil heats sand mold, and riser temperature on its inner wall and sandbox is made to reach predetermined value.When heating, electromagnetic coil with
External high frequency power supply is connected, and electromagnetic coil generates alternating magnetic field under high frequency electric source excitation, the outer tube body made of magnetic material
Bad student's heat under magnetic fields, to be heated to sand mold.When it is implemented, heating-cooling coil is located at by through on the inside of sand mold
At face, to improve its efficiency of heating surface.After reaching predetermined temperature, operating personnel start to pour into a mould.After casting complete, operating personnel
Fast cooling can be carried out to sand mold and casting by water transport channel, to promote casting to be molded.
Preferably, the turbo blade casting device of the present invention, the end set of outer tube body has a connector 10, on connector
Equipped with the storage tank 11 being adapted to outer tube body, the perforation 12 passed through for interior tube body, the side wall of connector is arranged in the bottom of storage tank
On be provided with the water inlet pipe 13 being connected to storage tank.
The setting of connector realizes the input of cooling water.Specifically, after casting complete, cooling water passes through water inlet pipe
It enters in water transport channel, rapid shaping is realized in the casting cooling to be connect to sand mold and with sand mold.
Preferably, the turbo blade casting device of the present invention, water inlet pipe are connect by screw thread with connector, connector is logical
Screw thread is crossed to connect with outer tube body.
Preferably, the turbo blade casting device of the present invention, the bottom of storage tank is provided with sealing ring 14.
Preferably, the turbo blade casting device of the present invention, outer tube body is made of stainless steel or copper product, interior tube body by
Plastics are made, and supporting rod is made of iron or plastics.
Preferably, the turbo blade casting device of the present invention, sandbox include left sandbox 15 and right sandbox 16, left sandbox and
Heating-cooling coil is both provided in the sand core of right sandbox, the end of heating-cooling coil passes through the side wall of sandbox to enter inside sand mold
And it is pierced by from the side wall of sandbox.
A kind of casting method of turbo blade, includes the following steps：
S1：By weight, by 20% pig iron, 50% cold-reduced sheet steel scrap and 30% foundry returns merging smelting furnace in melt
Refining, heat preservation standing 10 minutes after smelting temperature reaches 1500 DEG C to 1530 degrees Celsius；
S2：Material after melting is come out of the stove, nodularization packet is poured into after it is cooled to 1480 DEG C and carries out nodularization 60~90 seconds；
S3：By the material converter after nodularization and and inovulant is added breeds；
S4：Sand mold is heated by heating-cooling coil, until riser temperature reaches 80 degrees Celsius；
S5：Material is poured into turbo blade casting device after being down to 1320~1360 DEG C and carried out by the temperature of charge after breeding
Cast；
Wherein, turbo blade casting device includes sandbox, sand mold and sand core, and heating-cooling coil is equipped in sand mold, and heating is cold
But pipe includes outer tube body, the interior tube body in outer tube body, the supporting rod in interior tube body, is set around the electricity on supporting rod surface
Magnetic coil, supporting rod are fabricated from a flexible material, and interior tube body is made of non-magnetic material, and outer tube body is made of magnetic material, outer tube
It is water transport channel between the medial surface of body and the lateral surface of interior tube body, electromagnetic coil is connected by conducting wire and external high frequency electric source
It connects, the end set of outer tube body has connector, connector to be equipped with the storage tank being adapted to outer tube body, the bottom setting of storage tank
For the perforation that interior tube body passes through, be provided with the water inlet pipe being connected to storage tank on the side wall of connector, water inlet pipe by screw thread with
Connector connects, and connector is connect by screw thread with outer tube body, and the bottom of storage tank is provided with sealing ring, and outer tube body is by stainless steel
Or copper product is made, interior tube body is made of plastics, and supporting rod is made of iron or plastics, and sandbox includes left sandbox and right sandbox, a left side
Heating-cooling coil is both provided in the sand core of sandbox and right sandbox, the end of heating-cooling coil passes through the side wall of sandbox to enter sand
It is pierced by inside type and from the side wall of sandbox, cast gate is set on sandbox, and material is entered by cast gate between sand core and sand mold.
The casting method of the turbo blade of the present invention, pouring temperature is relatively low, so that operating personnel can be by big
Type sprue cup, which is taken to pour soon, quickly to be filled the mode of type and realizes cast, it is therefore prevented that cast for a long time to the caused slag inclusion of type wall baking,
Burning into sand.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of spirit or essential attributes of the invention, those skilled in the art can realize this in other specific forms
Invention.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, the present invention
Protection domain be indicated by the appended claims rather than the foregoing description.
In addition, the above is only a preferred embodiment of the present invention, being not intended to restrict the invention, it is noted that right
For those skilled in the art, without departing from the technical principles of the invention, it can also make several
Improvement and modification, these improvements and modifications also should be regarded as protection scope of the present invention.Although it will also be appreciated that this specification
Be described in terms of embodiments, every embodiment includes only a single technical solution, specification it is this
Narrating mode is merely for the sake of clarity, and the skilled in the art should refer to the specification as a whole, in each embodiment
Technical solution may also be suitably combined to form that other embodiments which can be understood by those skilled in the art.
Claims (7)
1. a kind of turbo blade casting device, including sandbox, sand mold and sand core, it is characterised in that：Heating is equipped in the sand mold
Cooling tube, the heating-cooling coil include outer tube body, the interior tube body in outer tube body, the supporting rod in interior tube body, around
Electromagnetic coil set on the supporting rod surface, the supporting rod are fabricated from a flexible material, and said inner tube body is by non-magnetic material
It is made, the outer tube body is made of magnetic material, logical for water delivery between the medial surface of the outer tube body and the lateral surface of interior tube body
Road, the electromagnetic coil are connect by conducting wire with external high frequency electric source.
2. turbo blade casting device according to claim 1, it is characterised in that：The end set of the outer tube body has company
Connector, the connector are equipped with the storage tank being adapted to outer tube body, and the bottom setting of the storage tank is worn for said inner tube body
The perforation crossed is provided with the water inlet pipe being connected to storage tank on the side wall of connector.
3. turbo blade casting device according to claim 2, it is characterised in that：The water inlet pipe by screw thread with it is described
Connector connects, and the connector is connect by screw thread with the outer tube body.
4. turbo blade casting device according to claim 3, it is characterised in that：The bottom of the storage tank is provided with close
Seal.
5. turbo blade casting device according to claim 4, it is characterised in that：The outer tube body is by stainless steel or copper material
Material is made, and said inner tube body is made of plastics, and the supporting rod is made of iron or plastics.
6. turbo blade casting device according to claim 5, it is characterised in that：The sandbox includes left sandbox and right sand
Be both provided with heating-cooling coil in the sand core of case, left sandbox and right sandbox, the end of heating-cooling coil pass through the side wall of sandbox into
Enter to sand mold inside and is pierced by from the side wall of sandbox.
7. a kind of casting method of turbo blade, which is characterized in that include the following steps：
S1：By weight, by 20% pig iron, 50% cold-reduced sheet steel scrap and 30% foundry returns merging smelting furnace in carry out melting,
Heat preservation stands 10 minutes after smelting temperature reaches 1500 DEG C to 1530 degrees Celsius；
S2：Material after melting is come out of the stove, nodularization packet is poured into after it is cooled to 1480 DEG C and carries out nodularization 60~90 seconds；
S3：By the material converter after nodularization and and inovulant is added breeds；
S4：Sand mold is heated by heating-cooling coil, until riser temperature reaches 80 degrees Celsius；
S5：Material is poured into turbo blade casting device after being down to 1320~1360 DEG C and poured by the temperature of charge after breeding
Note；
Wherein, turbo blade casting device includes sandbox, sand mold and sand core, and heating-cooling coil is equipped in the sand mold, described to add
Hot cooling tube includes outer tube body, the interior tube body in outer tube body, the supporting rod in interior tube body, is set around the supporting rod
The electromagnetic coil on surface, the supporting rod are fabricated from a flexible material, and said inner tube body is made of non-magnetic material, the outer tube body
It is made of magnetic material, is water transport channel, the electromagnetic coil between the medial surface of the outer tube body and the lateral surface of interior tube body
Connect with external high frequency electric source by conducting wire, the end set of the outer tube body has a connector, the connector equipped with
The storage tank of outer tube body adaptation, the bottom of the storage tank are arranged the perforation passed through for said inner tube body, on the side wall of connector
It is provided with the water inlet pipe being connected to storage tank, the water inlet pipe is connect by screw thread with the connector, and the connector passes through
Screw thread is connect with the outer tube body, and the bottom of the storage tank is provided with sealing ring, and the outer tube body is by stainless steel or copper product
It is made, said inner tube body is made of plastics, and the supporting rod is made of iron or plastics, and the sandbox includes left sandbox and right sand
Be both provided with heating-cooling coil in the sand core of case, left sandbox and right sandbox, the end of heating-cooling coil pass through the side wall of sandbox into
Enter to sand mold inside and be pierced by from the side wall of sandbox, cast gate is set on sandbox, and material is entered by cast gate between sand core and sand mold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810895343.7A CN108672656A (en) | 2018-08-08 | 2018-08-08 | A kind of casting method of turbo blade casting device and turbo blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810895343.7A CN108672656A (en) | 2018-08-08 | 2018-08-08 | A kind of casting method of turbo blade casting device and turbo blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108672656A true CN108672656A (en) | 2018-10-19 |
Family
ID=63816142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810895343.7A Pending CN108672656A (en) | 2018-08-08 | 2018-08-08 | A kind of casting method of turbo blade casting device and turbo blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108672656A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230278095A1 (en) * | 2022-03-02 | 2023-09-07 | Qingyou Han | Method of producing large thin-walled sand castings of high internal integrity |
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