CN111421111B - Pouring channel device for investment casting process and preparation method thereof - Google Patents
Pouring channel device for investment casting process and preparation method thereof Download PDFInfo
- Publication number
- CN111421111B CN111421111B CN202010411391.1A CN202010411391A CN111421111B CN 111421111 B CN111421111 B CN 111421111B CN 202010411391 A CN202010411391 A CN 202010411391A CN 111421111 B CN111421111 B CN 111421111B
- Authority
- CN
- China
- Prior art keywords
- pouring gate
- wax
- casting process
- inner core
- pouring
- 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.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/08—Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates
- B22C9/082—Sprues, pouring cups
-
- 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
- B22C9/04—Use of lost patterns
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention relates to a pouring gate device for an investment casting process and a preparation method thereof, wherein the pouring gate device comprises a bottom pouring gate, a main pouring gate and a straight pouring gate are bonded on the bottom pouring gate in parallel, an auxiliary pouring gate is further bonded on the straight pouring gate, the auxiliary pouring gate and the bottom pouring gate are used for clamping a wax module, an inner pouring gate is further bonded on the straight pouring gate, the inner pouring gate extends into a preset cavity of the wax module, the bottom pouring gate, the main pouring gate, the auxiliary pouring gate and the inner pouring gate are all made of wax materials, the straight pouring gate comprises a pouring gate inner core, the outer surface of the pouring gate inner core is coated with a surface layer, and the surface layer is made of the wax materials. In addition, the invention also provides the specific steps of the preparation method of the pouring gate device. By adopting the technical scheme of the invention, the bearing capacity of the sprue is enhanced by arranging the sprue inner core, controlling the temperature in the wax melting barrel and the immersion times of the sprue inner core in the wax material in the wax melting barrel, so that the wax mould can be stably supported through the sprue, and the interruption of the investment casting process is prevented.
Description
Technical Field
The invention relates to the technical field of investment casting, in particular to a pouring gate device for an investment casting process and a preparation method thereof.
Background
In recent years, the manufacturing industry of mechanical equipment is rapidly developed, people design and manufacture various mechanical equipment to facilitate various activities of people such as production, life and the like, the mechanical equipment is composed of parts with different shapes, sizes and functions, the various mechanical parts generally need to be formed by different machining and manufacturing methods, casting and forming are important technological methods of the current mechanical manufacturing and processing, a mold is generally made of metal materials, casting raw materials are cast into the mold, along with the development of the technology, the requirement on the manufacturing precision of the mechanical parts is increasingly improved, a plurality of mechanical parts with complicated shapes can be formed by a casting process, higher requirements on the manufacturing precision and the shape profile precision of the corresponding parts on the used casting mold are provided, in the prior art, in the process of a investment casting process, the method comprises the steps of firstly preparing wax mould parts according to the shapes of products, then preparing corresponding pouring gate devices, connecting the wax mould parts with the pouring gate devices, and then pouring and smelting the wax mould parts into liquid alloy materials through the pouring gate devices to obtain castings.
Disclosure of Invention
In order to solve the technical problem, the invention provides a pouring gate device for an investment casting process and a preparation method thereof.
The invention provides a pouring gate device for an investment casting process, which comprises a bottom pouring gate, wherein a main pouring gate and a straight pouring gate are bonded on the bottom pouring gate in parallel, an auxiliary pouring gate is further bonded on the straight pouring gate, the auxiliary pouring gate and the bottom pouring gate are used for clamping a wax module, an inner pouring gate is further bonded on the straight pouring gate, the inner pouring gate extends into a preset cavity of the wax module, the bottom pouring gate, the main pouring gate, the auxiliary pouring gate and the inner pouring gate are all made of wax materials, the straight pouring gate comprises a pouring gate inner core, the outer surface of the pouring gate inner core is coated with a surface layer, and the surface layer is made of the wax materials.
The pouring gate inner core is made of wood.
The pouring gate inner core is in a cylinder shape with the outer diameter of 30mm to 50 mm.
The runner device for the investment casting process further comprises an overlapping runner which is made of wax materials, and two ends of the overlapping runner are respectively bonded with the main runner and the straight runner.
In addition, the invention also provides a preparation method of the pouring channel device for the investment casting process, which comprises the following steps:
the wax melting barrel and the pouring gate inner core are provided, wax materials are contained in the wax melting barrel, the pouring gate inner core is immersed into the wax materials in the wax melting barrel and taken out for a plurality of times, a sprue is prepared after the wax materials attached to the surface of the pouring gate inner core are solidified, a bottom pouring gate, a main pouring gate, an auxiliary pouring gate and an inner pouring gate are prepared by using the wax materials, the main pouring gate and the sprue are bonded on the bottom pouring gate in parallel, the auxiliary pouring gate and the inner pouring gate are bonded on a direct pouring gate, and a pouring gate device for the investment casting process is prepared.
The pouring gate inner core is immersed in the wax material in the wax melting barrel for at least more than 3 times.
When the inner core of the pouring gate is immersed into the wax material in the wax melting barrel, the temperature in the wax melting barrel is controlled to be above 65 ℃.
The preparation method of the pouring channel device for the investment casting process further comprises the following steps:
and before the pouring gate inner core is immersed into the wax material in the wax melting barrel, removing all impurities on the surface of the pouring gate inner core.
The preparation method of the pouring channel device for the investment casting process further comprises the following steps:
when the bottom pouring gate, the main pouring gate, the auxiliary pouring gate, the inner pouring gate and the straight pouring gate are bonded, firstly providing a hot knife made of a metal material, then heating the hot knife to a proper temperature, and then melting wax materials at a position to be bonded by using the hot knife to enable the main pouring gate and the straight pouring gate to be bonded on the bottom pouring gate in parallel, so that the auxiliary pouring gate and the inner pouring gate are bonded on the straight pouring gate.
The invention has the beneficial effects that: by adopting the technical scheme of the invention, the sprue inner core is embedded in the sprue and has better rigidity, the strength of the sprue can be enhanced, and the sprue plays a role in stably supporting the wax mould piece, so that the interruption of the investment casting process is prevented.
Drawings
FIG. 1 is a schematic structural view of a runner apparatus for an investment casting process of the present invention;
FIG. 2 is a schematic view of the sprue of the present invention.
In the figure: 1-bottom runner, 2-main runner, 3-straight runner, 4-auxiliary runner, 5-wax module, 6-inner runner, 7-inner runner core and 8-surface layer.
Detailed Description
The technical solution of the present invention is further explained with reference to the accompanying drawings, but the claimed protection scope is not limited thereto;
the invention provides a pouring gate device for an investment casting process and a preparation method thereof, as shown in figures 1 and 2, the pouring gate device comprises a bottom pouring gate 1, a main pouring gate 2 and a straight pouring gate 3 are adhered to the bottom pouring gate 1 in parallel, an auxiliary pouring gate 4 is also adhered to the straight pouring gate 3, the auxiliary pouring gate 4 and the bottom pouring gate 1 are used for clamping a wax module 5, an inner pouring gate 6 is also adhered to the straight pouring gate 3, the inner pouring gate 6 extends into a preset cavity of the wax module 5, the bottom pouring gate 1, the main pouring gate 2, the auxiliary pouring gate 4 and the inner pouring gate 6 are all made of wax, the straight pouring gate 3 comprises a pouring gate inner core 7, the outer surface of the pouring gate inner core 7 is coated with a surface layer 8, and the surface layer 8 is made of wax.
Further, the material of the runner core 7 is preferably wood. The sprue core 7 is a cylindrical shape having an outer diameter of 30mm to 50 mm. The pouring gate device for the investment casting process further comprises an overlapping pouring gate, the overlapping pouring gate is made of wax materials, and two ends of the overlapping pouring gate are respectively bonded with the main pouring gate 2 and the straight pouring gate 3.
In addition, the invention also provides a preparation method of the pouring channel device for the investment casting process, which comprises the following steps:
the wax melting barrel and the pouring gate inner core 7 are provided, wax materials are contained in the wax melting barrel, the pouring gate inner core 7 is immersed into the wax materials in the wax melting barrel and taken out for a plurality of times, the sprue 3 is prepared after the wax materials attached to the surface of the pouring gate inner core 7 are solidified, the bottom pouring gate 1, the main pouring gate 2, the auxiliary pouring gate 4 and the inner pouring gate 6 are made of the wax materials, the main pouring gate 2 and the sprue 3 are bonded on the bottom pouring gate 1 in parallel, the auxiliary pouring gate 4 and the inner pouring gate 6 are bonded on the direct pouring gate, and the pouring gate device for the investment casting process is prepared.
Further, the pouring gate inner core 7 is immersed in the wax material in the wax melting barrel for at least more than 3 times. When the pouring gate inner core 7 is immersed into the wax material in the wax melting barrel, the temperature in the wax melting barrel is controlled to be above 65 ℃.
In addition, the preparation method of the pouring channel device for the investment casting process further comprises the following steps:
before the pouring gate inner core 7 is immersed into the wax material in the wax melting barrel, all impurities on the surface of the pouring gate inner core 7 are removed.
In addition, the preparation method of the pouring channel device for the investment casting process further comprises the following steps:
when the bottom pouring gate 1, the main pouring gate 2, the auxiliary pouring gate 4, the inner pouring gate 6 and the straight pouring gate 3 are bonded, a hot knife made of a metal material is provided firstly, then the hot knife is heated to a proper temperature, and then wax materials at a position to be bonded are melted by using the hot knife to enable the main pouring gate 2 and the straight pouring gate 3 to be bonded on the bottom pouring gate 1 in parallel, so that the auxiliary pouring gate 4 and the inner pouring gate 6 are bonded on the direct pouring gate.
By adopting the technical scheme of the invention, the sprue inner core is embedded in the sprue and has better rigidity, the strength of the sprue can be enhanced, and the sprue plays a role in stably supporting the wax mould piece, so that the interruption of the investment casting process is prevented.
Claims (6)
1. A preparation method of a pouring channel device for an investment casting process is characterized by comprising the following steps:
the pouring gate device for the investment casting process comprises a bottom pouring gate (1), a main pouring gate (2) and a straight pouring gate (3) are bonded on the bottom pouring gate (1) in parallel, an auxiliary pouring gate (4) is further bonded on the straight pouring gate (3), the auxiliary pouring gate (4) and the bottom pouring gate (1) are used for clamping a wax module (5), an inner pouring gate (6) is further bonded on the straight pouring gate (3), the inner pouring gate (6) extends into a preset cavity of the wax module (5), the bottom pouring gate (1), the main pouring gate (2), the auxiliary pouring gate (4) and the inner pouring gate (6) are all made of wax materials, the straight pouring gate (3) comprises a pouring gate inner core (7), the outer surface of the pouring gate inner core (7) is coated with a surface layer (8), the surface layer (8) is made of the wax materials, and the material of the pouring gate inner core (7) is wood;
the preparation method of the pouring channel device for the investment casting process comprises the following steps:
the wax melting barrel is provided with a wax melting barrel and a pouring gate inner core (7), wax materials are contained in the wax melting barrel, the pouring gate inner core (7) is immersed into the wax materials in the wax melting barrel for a plurality of times and then taken out, a sprue (3) is prepared after the wax materials attached to the surface of the pouring gate inner core (7) are solidified, then the bottom pouring gate (1), a main pouring gate (2), an auxiliary pouring gate (4) and an inner pouring gate (6) are prepared by using the wax materials, a hot knife made of a metal material is provided and then heated to a proper temperature, and then the wax materials at the part to be bonded are melted by using the hot knife to enable the main pouring gate (2) and the sprue (3) to be bonded on the bottom pouring gate (1) in parallel, so that the auxiliary pouring gate (4) and the inner pouring gate (6) are bonded on the sprue, and the pouring gate device for the investment casting process is prepared.
2. The method of making a runner apparatus for an investment casting process of claim 1, wherein: the pouring gate inner core (7) is immersed in the wax material in the wax melting barrel for at least more than 3 times.
3. The method of making a runner apparatus for an investment casting process of claim 1, wherein: when the pouring gate inner core (7) is immersed into the wax material in the wax melting barrel, the temperature in the wax melting barrel is controlled to be above 65 ℃.
4. The method of making a runner apparatus for an investment casting process of claim 1, wherein: the preparation method of the pouring channel device for the investment casting process further comprises the following steps:
before the pouring gate inner core (7) is immersed into the wax material in the wax melting barrel, removing all impurities on the surface of the pouring gate inner core (7).
5. The method of making a runner apparatus for an investment casting process of claim 1, wherein: the pouring gate inner core (7) is in a cylinder shape with the outer diameter of 30mm to 50 mm.
6. The method of making a runner apparatus for an investment casting process of claim 1, wherein: the pouring gate device for the investment casting process further comprises an overlapping pouring gate, the overlapping pouring gate is made of wax materials, and two ends of the overlapping pouring gate are respectively bonded with the main pouring gate (2) and the straight pouring gate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010411391.1A CN111421111B (en) | 2020-05-15 | 2020-05-15 | Pouring channel device for investment casting process and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010411391.1A CN111421111B (en) | 2020-05-15 | 2020-05-15 | Pouring channel device for investment casting process and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111421111A CN111421111A (en) | 2020-07-17 |
| CN111421111B true CN111421111B (en) | 2021-11-30 |
Family
ID=71550891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010411391.1A Active CN111421111B (en) | 2020-05-15 | 2020-05-15 | Pouring channel device for investment casting process and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111421111B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4133371A (en) * | 1976-08-31 | 1979-01-09 | Rolls-Royce Limited | Casting |
| CN101011724A (en) * | 2006-01-30 | 2007-08-08 | 联合工艺公司 | Investment casting mold design and motor for investment casting using the same |
| CN202894216U (en) * | 2012-09-25 | 2013-04-24 | 贵州安吉航空精密铸造有限责任公司 | Casting tooling for large-size and complicated framework type titanium alloy thin wall castings |
| CN103252452A (en) * | 2013-05-23 | 2013-08-21 | 沈阳黎明航空发动机(集团)有限责任公司 | Method for casting isometric crystal turbine work blade blanks |
| CN105364006A (en) * | 2015-12-09 | 2016-03-02 | 沈阳黎明航空发动机(集团)有限责任公司 | Wax mold of large-size hollow shrouded blade casting pouring system and manufacturing method of wax mold |
| CN205056950U (en) * | 2015-10-10 | 2016-03-02 | 贵阳中航动力精密铸造有限公司 | A the gating system for hollow single crystal blade |
| CN107243590A (en) * | 2017-04-26 | 2017-10-13 | 西安交通大学 | A kind of ceramic-mould preparation method of oriented single crystal high temperature alloy part |
| CN107282909A (en) * | 2017-08-25 | 2017-10-24 | 贵州安吉航空精密铸造有限责任公司 | A kind of running gate system and centre spinning method for tube shape component |
| CN206613990U (en) * | 2017-02-13 | 2017-11-07 | 株洲中航动力精密铸造有限公司 | The wax-pattern combining structure of single crystal blade |
| CN206936280U (en) * | 2017-08-04 | 2018-01-30 | 盐城固威铸造有限公司 | A kind of fusible pattern pours into a mould instrument |
| CN207723419U (en) * | 2017-12-27 | 2018-08-14 | 安徽应流航源动力科技有限公司 | A kind of small-medium size single crystal blade group tree construction |
| EP3421154A1 (en) * | 2017-06-28 | 2019-01-02 | United Technologies Corporation | Method for casting shell dewaxing |
| CN110114168A (en) * | 2016-12-26 | 2019-08-09 | 赛峰集团 | The cluster model and shell and correlation technique of the attachment of acquisition independent process molded component |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0304327D0 (en) * | 2003-02-26 | 2003-04-02 | Rolls Royce Plc | Component casting |
-
2020
- 2020-05-15 CN CN202010411391.1A patent/CN111421111B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4133371A (en) * | 1976-08-31 | 1979-01-09 | Rolls-Royce Limited | Casting |
| CN101011724A (en) * | 2006-01-30 | 2007-08-08 | 联合工艺公司 | Investment casting mold design and motor for investment casting using the same |
| CN202894216U (en) * | 2012-09-25 | 2013-04-24 | 贵州安吉航空精密铸造有限责任公司 | Casting tooling for large-size and complicated framework type titanium alloy thin wall castings |
| CN103252452A (en) * | 2013-05-23 | 2013-08-21 | 沈阳黎明航空发动机(集团)有限责任公司 | Method for casting isometric crystal turbine work blade blanks |
| CN205056950U (en) * | 2015-10-10 | 2016-03-02 | 贵阳中航动力精密铸造有限公司 | A the gating system for hollow single crystal blade |
| CN105364006A (en) * | 2015-12-09 | 2016-03-02 | 沈阳黎明航空发动机(集团)有限责任公司 | Wax mold of large-size hollow shrouded blade casting pouring system and manufacturing method of wax mold |
| CN110114168A (en) * | 2016-12-26 | 2019-08-09 | 赛峰集团 | The cluster model and shell and correlation technique of the attachment of acquisition independent process molded component |
| CN206613990U (en) * | 2017-02-13 | 2017-11-07 | 株洲中航动力精密铸造有限公司 | The wax-pattern combining structure of single crystal blade |
| CN107243590A (en) * | 2017-04-26 | 2017-10-13 | 西安交通大学 | A kind of ceramic-mould preparation method of oriented single crystal high temperature alloy part |
| EP3421154A1 (en) * | 2017-06-28 | 2019-01-02 | United Technologies Corporation | Method for casting shell dewaxing |
| CN206936280U (en) * | 2017-08-04 | 2018-01-30 | 盐城固威铸造有限公司 | A kind of fusible pattern pours into a mould instrument |
| CN107282909A (en) * | 2017-08-25 | 2017-10-24 | 贵州安吉航空精密铸造有限责任公司 | A kind of running gate system and centre spinning method for tube shape component |
| CN207723419U (en) * | 2017-12-27 | 2018-08-14 | 安徽应流航源动力科技有限公司 | A kind of small-medium size single crystal blade group tree construction |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111421111A (en) | 2020-07-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101530892B (en) | Investment casting thin-walled part casting method | |
| CN104128564B (en) | A kind of casting technique of Sand-Faced Metal Mould Casting spheroidal graphite cast-iron hinge ear | |
| JP2020504012A (en) | Cluster model and shell and associated method for obtaining accessories for independent handling of molded parts | |
| CN103203445A (en) | Preparation method of cast copper cage rotor | |
| CN104999037B (en) | A kind of running gate system and its precision casting molding method for thin-walled tubular piece | |
| CN104741575A (en) | Low-pressure casting and manufacturing technology of aluminum alloy cylinder part | |
| CN108015231A (en) | A kind of investment precision casting technology | |
| CN107282909A (en) | A kind of running gate system and centre spinning method for tube shape component | |
| CN111421111B (en) | Pouring channel device for investment casting process and preparation method thereof | |
| US11858032B2 (en) | High-temperature alloy pressure casting mold and casting process for impeller and guide vane | |
| CN101941064A (en) | Method for manufacturing metal-base compound bimetallic article by centrifugation | |
| CN113600795B (en) | Casting method for refining investment casting structure | |
| CN105149523A (en) | Casting die and technology for blank of top plate for solar energy | |
| JPH07155897A (en) | Mold structure and casting method | |
| CN1067928C (en) | Thin wall alloy product immersion crystalline forming method | |
| CN206936321U (en) | A kind of combining structure of metal liquid die forging | |
| KR100792801B1 (en) | Recycling method of tube mold | |
| KR100432795B1 (en) | Lost wax molding method of empted Jewelry | |
| EP3907018B1 (en) | Thermal management in lost wax casting | |
| CN206622603U (en) | A kind of metal casting splashproof dropping control device | |
| CN111644597B (en) | Casting blank for ring-shaped part and method for manufacturing casting blank | |
| CN212371162U (en) | Pouring mechanism for vacuum type casting gypsum mold | |
| CN202087770U (en) | Improved structure of wax mould | |
| CN111590028B (en) | Assembling method of investment casting process pouring gate tree | |
| CN102699636B (en) | The liquid forging Rolling compund manufacturing process of 6082 aluminium alloy different cross section large rings |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |