CN206382541U - Double-layer hollow cylinder fusible pattern formwork structure for high-temperature alloy process for suction casting - Google Patents
Double-layer hollow cylinder fusible pattern formwork structure for high-temperature alloy process for suction casting Download PDFInfo
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- CN206382541U CN206382541U CN201621386397.3U CN201621386397U CN206382541U CN 206382541 U CN206382541 U CN 206382541U CN 201621386397 U CN201621386397 U CN 201621386397U CN 206382541 U CN206382541 U CN 206382541U
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- hollow cylinder
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- 238000009415 formwork Methods 0.000 title claims abstract description 93
- 238000005266 casting Methods 0.000 title claims abstract description 54
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 33
- 239000000956 alloy Substances 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 22
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 31
- 239000010959 steel Substances 0.000 claims abstract description 31
- 230000002787 reinforcement Effects 0.000 claims abstract description 21
- 238000005452 bending Methods 0.000 claims description 6
- 230000000977 initiatory effect Effects 0.000 claims description 3
- 210000003205 muscle Anatomy 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 4
- 230000008602 contraction Effects 0.000 abstract description 3
- 239000013078 crystal Substances 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000004576 sand Substances 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005495 investment casting Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- UQZIWOQVLUASCR-UHFFFAOYSA-N alumane;titanium Chemical compound [AlH3].[Ti] UQZIWOQVLUASCR-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 1
- 230000001976 improved effect Effects 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- 238000005058 metal casting Methods 0.000 description 1
- 229910052863 mullite Inorganic materials 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
- 229910052845 zircon Inorganic materials 0.000 description 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model is related to a kind of double-layer hollow cylinder fusible pattern formwork structure for high-temperature alloy process for suction casting, it is characterized in that：Formwork structure is double-decker, and outer layer is shell body, and internal layer is hollow barrel structure, and hollow cylinder is connected by intermediate connector with shell body；Molten steel circulation road is provided between hollow cylinder and shell body, molten steel circulation road is connected by running channel with the formwork casting being located on the outside of shell body, the upper end of formwork structure is provided with platform, and the lower end of formwork structure is provided with reinforcement structure.The formwork of this structure is applied in high-temperature alloy process for suction casting, and safety coefficient is high；Cast structure is fine and close, and crystal grain is tiny, and shrinkage porosity defect of contraction cavity is relatively low, obtains material rate and is likely to reach more than 90%, and saves the casting energy more than 80%.
Description
Technical field
The utility model is related to the technical field of hot investment casting, specifically a kind of to be used for high-temperature alloy suction pouring
The double-layer hollow cylinder fusible pattern formwork structure of technique.
Background technology
Suction pouring belongs to Special Processes of Metal Castings technique, is a kind of advanced foundry engieering.Because its liquid metals utilization rate is high, casting
Precision is high, quality is high, save the energy, low cost and other advantages, and commercial machine, mechanical part, vapour are widely used in developed country
In many important precision casting manufactures such as turbine blade, guided missile wing.The technology is taken for 1975 by Hitchiner companies of the U.S.
Patent is obtained, and realizes core technology block.At present, suction pouring is mainly used in the essence of the low-temperature alloys such as aluminium alloy in China
Close casting, is rarely applied to the hot investment casting of high-temperature alloy.
Formwork for suction pouring had both required that higher intensity also required that certain gas permeability, so just can guarantee that and fills type
Stage smoothly draws alloy solution, and formwork is full of Stability Analysis of Structures after alloy solution.But the intensity of totally-enclosed formwork structure and
Gas permeability is a pair of conflicting performances, and it is difficult to be adapted to high temperature resistant conjunction that this, which results in most of formwork structure in the market,
Golden suction pouring.Easily there are various perils if produced by force.
The content of the invention
The purpose of this utility model is to provide a kind of improved bilayer sky for high-temperature alloy process for suction casting
Heart cylinder fusible pattern formwork structure, it can overcome in the prior art in the market most of formwork structure be difficult to be adapted to high temperature resistant conjunction
The some shortcomings of golden suction pouring.
To achieve these goals, the technical solution of the utility model is：One kind is used for high-temperature alloy suction pouring work
The double-layer hollow cylinder fusible pattern formwork structure of skill, it is characterised in that：Described formwork structure is double-decker, and outer layer is shell body,
Internal layer is hollow barrel structure, and described hollow cylinder is connected by intermediate connector with shell body；Set between hollow cylinder and shell body
There is molten steel circulation road, molten steel circulation road is connected by running channel with the formwork casting being located on the outside of shell body, the upper end of formwork structure
Provided with platform, the lower end of formwork structure is provided with reinforcement structure.
It is preferred that, formwork casting is distributed with the surrounding of formwork structure, and each formwork casting passes through a running channel and molten steel stream
Passage is connected；Described running channel includes elbow running channel.
It is preferred that, 6-20 intermediate connector is evenly distributed between internal layer and outer layer, described intermediate connector is in piece
Shape structure, middle part is tiltedly located between inside and outside layer provided with bending groove, intermediate connector, the angle model of intermediate connector and outer layer
Enclose for 20-50 degree.
Further, the lower end of formwork structure is provided with base, and base is provided with reinforcement structure, and described reinforcement structure is reinforcement
Muscle；The upper end of formwork structure is provided with the platform stretched out, and the center of platform is provided with horn-like connecting hole, described connecting hole
It is connected with hollow cylinder, the top of hollow cylinder is provided with symmetrically arranged through-hole structure, and described through-hole structure is in horn-like, through hole
The big opening end of structure inside hollow cylinder with being connected, and the small openend of through-hole structure is connected with molten steel circulation road.
In use, the utility model sets hollow barrel structure in formwork, and connect by intermediate connector and formwork outer wall
Connect, its object is to reduce process for suction casting fill the type stage need to alloy solution amount；Formwork bottom design has reinforcement
Improve the intensity of formwork；Formwork upper end design platform and vent hole structure are respectively intended to compress formwork and exhaust；Casting portion according to
Connected by elbow running channel and hollow via-hole, complete feeding running channel and fill the connection of type running channel, its object is to fill type and form benefit
Contracting.Designed formwork structure is changed into wax-pattern structure, the line that puts into production carries out penetrating wax, group tree, shell processed, dewaxing, then will
The formwork made is calcined to after 500-1200 DEG C the production for being put into and the small-sized casting of high-temperature alloy being carried out in suction pouring equipment.It is resistance to
High temperature alloy includes high temperature resistant stainless steel, steel alloy, titanium alloy, titanium-aluminium alloy etc..The formwork of this structure is closed applied to high temperature resistant
In golden process for suction casting, safety coefficient is high；Cast structure is fine and close, and crystal grain is tiny, and shrinkage porosity defect of contraction cavity is relatively low, obtains material rate and very may be used
More than 90% can be reached, and saves the casting energy more than 80%.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the utility model one.
Fig. 2 is the structural representation of the utility model molten steel direction of motion.
Fig. 3 is the sectional view of the utility model formwork casting.
Fig. 4 is the top view of the utility model formwork structure.
Embodiment
The utility model will be further described with reference to the accompanying drawings and examples.
1st, base, 2 internal layers, 3 reinforcement structures, 4 platforms, 5 elbow running channels, 6 formwork casting, 7 intermediate connectors, 8 molten steel lead to
Road, 9 hollow cylinders, 10 outer layers；
701 bending grooves, 501 hollow via-holes, 401 connecting holes.
A kind of double-layer hollow cylinder fusible pattern formwork knot for high-temperature alloy process for suction casting described in the utility model
Structure, its difference with the prior art is：Described formwork structure is double-decker, and outer layer is shell body, and internal layer is hollow cylinder
Structure, described hollow cylinder is connected by intermediate connector with shell body；Molten steel circulation road is provided between hollow cylinder and shell body,
Molten steel circulation road is connected by running channel with the formwork casting being located on the outside of shell body, and the upper end of formwork structure is provided with platform, formwork
The lower end of structure is provided with reinforcement structure.
Optionally, formwork casting is distributed with the surrounding of formwork structure, and each formwork casting passes through a running channel and molten steel stream
Passage is connected；Described running channel includes elbow running channel.One end of described elbow running channel and molten steel circulation road vertical connection, it is another
End is connected with the casting gate of formwork casting, and intermediate connector need to be avoided at the setting of elbow running channel.Elbow running channel passes through hollow
Through hole is connected with formwork casting, and hollow via-hole outwardly convex is simultaneously connected with the bottom of elbow running channel.
Optionally, 6-20 intermediate connector is evenly distributed between internal layer and outer layer, described intermediate connector is in piece
Shape structure, middle part is tiltedly located between inside and outside layer provided with bending groove, intermediate connector, the angle model of intermediate connector and outer layer
Enclose for 20-50 degree.The bottom of described hollow cylinder, which is provided with semicircular structure, semicircular structure, is provided with runner control piece, described
Runner control piece be arranged at the outside of hollow cylinder, the setting of runner control piece be molten steel circulation road initiating terminal.Centre connects
Fitting is in one group of molten steel circulation road for being arranged at intervals between internal layer and outer layer with 3, adjacent two groups of intermediate connectors it
Between spacing it is equal.Every three intermediate connectors are uniformly distributed on the circumferential section of hollow cylinder, connection in the middle of laminated structure
Part bottom be provided with column supporting part, it is possible to decrease process for suction casting fill the type stage need to alloy solution amount.
Optionally, the lower end of formwork structure is provided with base, and base is provided with reinforcement structure, and described reinforcement structure is reinforcement
Muscle；The upper end of formwork structure is provided with the platform stretched out, and the center of platform is provided with horn-like connecting hole, described connecting hole
It is connected with hollow cylinder, the top of hollow cylinder is provided with symmetrically arranged through-hole structure, and described through-hole structure is in horn-like, through hole
The big opening end of structure inside hollow cylinder with being connected, and the small openend of through-hole structure is connected with molten steel circulation road.
Embodiment 1
Described formwork structure is double-decker, and outer layer is shell body, and internal layer is hollow barrel structure, and described hollow cylinder leads to
Intermediate connector is crossed with shell body to be connected；Molten steel circulation road is provided between hollow cylinder and shell body, molten steel circulation road passes through running channel
It is connected with the formwork casting being located on the outside of shell body, the upper end of formwork structure is provided with platform, and the lower end of formwork structure is provided with reinforcement
Structure.
12 intermediate connectors are evenly distributed between internal layer and outer layer, intermediate connector is one group of interval setting with 3
In molten steel circulation road between internal layer and outer layer, the spacing between two groups of adjacent intermediate connectors is equal.Described centre
Connector structure in the form of sheets, middle part is tiltedly located between inside and outside layer provided with bending groove, intermediate connector, intermediate connector with it is outer
The angle of layer is 35 degree.
By designed formwork change into wax-pattern structure put into production line carry out penetrate wax, group tree, shell processed, dewaxing, roasting, its
The shell processed of middle formwork includes one kind or several in zircon sand, mullite, magnesia, silica sand using 6 layers of hanging sand process for making shell with sand material
Kind；Wherein formwork sintering temperature is 500-1200 DEG C of any temperature.Roasting formwork is put into suction pouring equipment crystallisation chamber
In, lower end coordinates with stalk, and upper end makes formwork and stalk be in tight engagement under compressing member effect.Fill type rank
Section, hollow via-hole structure is to fill type running channel and be vented rapidly to make high temperature alloy liquid rise and fill the casting that type is in suspension status.Bottom
Portion's reinforcement ensures stable full of high temperature alloy liquid formwork structure.High temperature alloy liquid under pressure release state in hollow via-hole is quickly returned
Stream, but the aluminium alloy being in suspension status casting will be unable to backflow.Elbow dealings provides feeding for casting and improves casting quality.
It is used for by the formwork of this structure in process for suction casting, production safety coefficient is high, and the high-temperature alloy casting produced
Dense structure, crystal grain is tiny, and shrinkage porosity defect of contraction cavity is relatively low, obtains material rate and is likely to reach more than 90%, and saves the casting energy 80%
More than.
Embodiment 2
Described formwork structure is double-decker, and outer layer is shell body, and internal layer is hollow barrel structure, and described hollow cylinder leads to
Intermediate connector is crossed with shell body to be connected；The design of hollow cylinder is the rising falling and gas discharge for alloy solution.Ensure
The smooth rising of casting filling stage alloy solution and the pressure release stage hollow quick backflow by interior alloy solution.
Molten steel circulation road is provided between hollow cylinder and shell body, molten steel circulation road is by running channel and is located on the outside of shell body
Formwork casting is connected, and the upper end of formwork structure is provided with platform, and the lower end of formwork structure is provided with reinforcement structure.The surrounding of formwork structure
Formwork casting is distributed with, each formwork casting is connected by a running channel with molten steel circulation road；Described running channel is poured including elbow
Road.The lower end of formwork structure is provided with base, and base is provided with reinforcement structure, and described reinforcement structure is reinforcement；Formwork structure
Upper end be provided with the platform that stretches out, the center of platform is provided with horn-like connecting hole, described connecting hole and hollow cylinder phase
Connection, the top of hollow cylinder is provided with symmetrically arranged through-hole structure, and described through-hole structure is in horn-like, and the big of through-hole structure is opened
Mouth end inside hollow cylinder with being connected, and the small openend of through-hole structure is connected with molten steel circulation road.
Embodiment 3
It is evenly distributed with 6-20 intermediate connector between internal layer and outer layer, described intermediate connector structure in the form of sheets,
Middle part is tiltedly located between inside and outside layer provided with bending groove, intermediate connector, and the angular range of intermediate connector and outer layer is 20-
50 degree, the ratio between thickness between internal layer and outer layer is 1：0.8-1.2, double-layer hollow barrel structure is thus constituted, the purpose is to
In order to reduce fill the type stage need to alloy solution amount and reach best temperature control effect.The bottom of described hollow cylinder is provided with semicircle
Runner control piece is provided with shape structure, semicircular structure, described runner control piece is arranged at the outside of hollow cylinder, runner control
It is the initiating terminal of molten steel circulation road at the setting of part.
The purpose of formwork bottom design reinforcing rib structure is to improve form strength.Ensure form strength full of alloy solution
In the case of do not rupture still.
The platform and the purpose of vent hole structure that formwork upper end is designed are to compress formwork and exhaust.Ensure that respectively formwork and
It is completely embedded between stalk and formwork exhaust.
The design structure that casting portion is connected by elbow running channel and hollow via-hole, completes feeding running channel and fills type running channel
Connection, its object is to conveniently fill type and form feeding.Ensure that the molten steel for flowing into parts will not flow back, cause misrun to lack
Fall into.
Above content is to combine specific preferred embodiment further detailed description of the utility model, it is impossible to
Assert that the utility model specific implementation is confined to these above-mentioned explanations.For the common skill of the utility model art
For art personnel, without departing from the concept of the premise utility, some simple deduction or replace can also be made, all should
It is considered as belonging to protection domain of the present utility model.
Claims (8)
1. a kind of double-layer hollow cylinder fusible pattern formwork structure for high-temperature alloy process for suction casting, it is characterised in that：It is described
Formwork structure be double-decker, outer layer is shell body, and internal layer is hollow barrel structure, and described hollow cylinder passes through intermediate connector
It is connected with shell body；
Molten steel circulation road is provided between hollow cylinder and shell body, molten steel circulation road passes through running channel and the formwork being located on the outside of shell body
Casting is connected, and the upper end of formwork structure is provided with platform, and the lower end of formwork structure is provided with reinforcement structure.
2. a kind of double-layer hollow cylinder fusible pattern formwork knot for high-temperature alloy process for suction casting according to claim 1
Structure, it is characterised in that：Formwork casting is distributed with the surrounding of formwork structure, and each formwork casting is circulated by a running channel and molten steel
Road is connected；
Described running channel includes elbow running channel.
3. a kind of double-layer hollow cylinder fusible pattern formwork knot for high-temperature alloy process for suction casting according to claim 1
Structure, it is characterised in that：6-20 intermediate connector is evenly distributed between internal layer and outer layer, described intermediate connector is in the form of sheets
Structure, middle part is tiltedly located between inside and outside layer provided with bending groove, intermediate connector, the angular range of intermediate connector and outer layer
For 20-50 degree.
4. a kind of double-layer hollow cylinder fusible pattern formwork knot for high-temperature alloy process for suction casting according to claim 1
Structure, it is characterised in that：The lower end of formwork structure is provided with base, and base is provided with reinforcement structure, and described reinforcement structure is reinforcement
Muscle；
The upper end of formwork structure is provided with the platform stretched out, and the center of platform is provided with horn-like connecting hole, described connection
Hole is connected with hollow cylinder, and the top of hollow cylinder is provided with symmetrically arranged through-hole structure, and described through-hole structure leads in horn-like
The big opening end of pore structure inside hollow cylinder with being connected, and the small openend of through-hole structure is connected with molten steel circulation road.
5. a kind of double-layer hollow cylinder fusible pattern formwork knot for high-temperature alloy process for suction casting according to claim 3
Structure, it is characterised in that：The bottom of described hollow cylinder, which is provided with semicircular structure, semicircular structure, is provided with runner control piece, institute
The runner control piece stated is arranged at the initiating terminal for molten steel circulation road at the outside of hollow cylinder, the setting of runner control piece.
6. a kind of double-layer hollow cylinder fusible pattern formwork knot for high-temperature alloy process for suction casting according to claim 2
Structure, it is characterised in that：One end of described elbow running channel and molten steel circulation road vertical connection, the casting of the other end and formwork casting
Mouth is connected, and intermediate connector need to be avoided at the setting of elbow running channel.
7. a kind of double-layer hollow cylinder fusible pattern formwork knot for high-temperature alloy process for suction casting according to claim 2
Structure, it is characterised in that：Elbow running channel is connected by hollow via-hole with formwork casting, hollow via-hole outwardly convex and and elbow running channel
Bottom be connected.
8. a kind of double-layer hollow cylinder fusible pattern formwork knot for high-temperature alloy process for suction casting according to claim 3
Structure, it is characterised in that：Intermediate connector is phase in one group of molten steel circulation road being arranged at intervals between internal layer and outer layer with 3
Spacing between two groups of adjacent intermediate connectors is equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621386397.3U CN206382541U (en) | 2016-12-16 | 2016-12-16 | Double-layer hollow cylinder fusible pattern formwork structure for high-temperature alloy process for suction casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621386397.3U CN206382541U (en) | 2016-12-16 | 2016-12-16 | Double-layer hollow cylinder fusible pattern formwork structure for high-temperature alloy process for suction casting |
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| Publication Number | Publication Date |
|---|---|
| CN206382541U true CN206382541U (en) | 2017-08-08 |
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ID=59488786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621386397.3U Active CN206382541U (en) | 2016-12-16 | 2016-12-16 | Double-layer hollow cylinder fusible pattern formwork structure for high-temperature alloy process for suction casting |
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| Country | Link |
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| CN (1) | CN206382541U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106513635A (en) * | 2016-12-16 | 2017-03-22 | 上海华培动力科技有限公司 | Double-layer hollow cylinder fusion mold shell structure for heat-resistant alloy vacuum suction casting technology |
| CN108097926A (en) * | 2018-01-02 | 2018-06-01 | 上海华培动力科技股份有限公司 | A kind of wax-pattern structure for suction pouring |
-
2016
- 2016-12-16 CN CN201621386397.3U patent/CN206382541U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106513635A (en) * | 2016-12-16 | 2017-03-22 | 上海华培动力科技有限公司 | Double-layer hollow cylinder fusion mold shell structure for heat-resistant alloy vacuum suction casting technology |
| CN106513635B (en) * | 2016-12-16 | 2019-02-05 | 上海华培动力科技股份有限公司 | Double-layer hollow cylinder fusible pattern formwork structure for high-temperature alloy process for suction casting |
| CN108097926A (en) * | 2018-01-02 | 2018-06-01 | 上海华培动力科技股份有限公司 | A kind of wax-pattern structure for suction pouring |
| CN108097926B (en) * | 2018-01-02 | 2024-03-01 | 上海华培数能科技(集团)股份有限公司 | Wax mould structure for vacuum suction casting |
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Address after: 201706 factory building 3, 218 songxiu Road, Qingpu District, Shanghai Patentee after: Shanghai Huapei Digital Energy Technology (Group) Co.,Ltd. Country or region after: China Address before: 201706 factory building 3, 218 songxiu Road, Qingpu District, Shanghai Patentee before: Shanghai Huapei Power Technology (Group) Co.,Ltd. Country or region before: China |