CN215845542U - Double-runner turbine casting mold device - Google Patents
Double-runner turbine casting mold device Download PDFInfo
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- CN215845542U CN215845542U CN202120449023.6U CN202120449023U CN215845542U CN 215845542 U CN215845542 U CN 215845542U CN 202120449023 U CN202120449023 U CN 202120449023U CN 215845542 U CN215845542 U CN 215845542U
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Abstract
The utility model provides a double-runner turbine casting mold device, and belongs to the technical field of non-standard special-shaped part casting. A dual-flow turbine mold apparatus comprising a mold; a fastener for fixing the casting mold; the casting mold comprises a casting hole for pouring metal on the upper side of the casting mold and an exhaust gas hole for exhausting extrusion gas, wherein the casting mold comprises a mold and a fixed connecting piece, and the casting hole is arranged on the upper side of the casting mold and corresponds to an ignition point in the middle of a casting. The nonstandard special-shaped piece casting technology is limited by market and cost limitations as the customized application in the industrial metallurgy field, and a great blank always exists in the field.
Description
Technical Field
The utility model relates to the technical field of non-standard irregular part casting, in particular to a double-runner turbine casting mold device.
Background
The casting process is already appeared in the end stage of the age of the neolithic utensils in China, and the original manufacturing process of the bronze ware is developed and matured due to the prosperity of the bronze ware.
The casting method is a method of melting gold and silver into liquid state and casting them into ware by master mould, and is one of the earliest gold and silver processing methods. The casting is to cast the mixed slurry into the engine shell, and the engine charge meeting the design requirement is formed after solidification.
Mold forming is commonly used to make miniature or small parts with simple geometric shapes; patterning and engraving a working surface. Dams are built around the machined surface to contain the molten metal or plastic, and the molten material is poured into the pattern through a sprue or heated channel.
Traditional patent design; if patent CN 102470426 a focuses on heat dissipation and patent CN 105142822B focuses on positioning structure design, there is a large gap in the utilization of the module model.
As the module type non-standard special-shaped piece casting mold provided by the utility model, the problem of assembly precision of a specific special-shaped piece is structurally solved by adopting a double-combination piece rotating and positioning design and utilizing a double-arc degree coincidence method.
SUMMERY OF THE UTILITY MODEL
Aiming at the prior art, the utility model provides a double-runner turbine casting mold device, which optimizes the traditional casting mold process and selects a novel bonding process
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows;
a dual-flow turbine mold apparatus comprising a mold; a fastener for fixing the casting mold; the casting mold comprises a casting hole for pouring metal on the upper side of the casting mold and an exhaust gas hole for exhausting extrusion gas, wherein the casting mold comprises a mold and a fixed connecting piece, and the casting hole is arranged on the upper side of the casting mold and corresponds to an ignition point in the middle of a casting.
The casting mold adopts a double-flow-channel arc-shaped concentric cavity, and the mold is provided with a positioning clamping groove and a positioning buckle.
And a heating riser is designed at the upper part of the highest point of the casting.
The flow channel changes the small section into a circular arc structure.
The utility model has the following beneficial effects:
by adopting a modular design scheme, the interchangeability of parts is high, and the cost is saved; the pouring mould half-piece design is adopted, the combination is simple, and the popularization is convenient; arc positioning is added, double-flow-passage concentric arc positioning is designed, the two flow passages are prevented from being in interference fit, eccentric feeding is carried out by adopting a middle part, an upper heating riser is used for feeding, and the feeding process that the middle separation is complete and the internal defects of the two tongues meet the quality standard D1 is ensured; the middle part is fired, the molten iron temperature is high, the feeding effect is excellent, the feeding platform is designed at the top of the tongue tip, the heating riser is added, and the defects of double-channel middle partition and tongue tip position shrinkage porosity are effectively overcome.
And a riser is added on the end surface of the waste gas hole, so that the cold shut problem caused by long waste gas hole and thin double-runner partition plate of a product is solved.
The flow channel positioning independence is realized by bonding and combining the small flow channel positioning, and the assembly precision in the flow channel core assembling process is ensured.
And a specific bonding process and a specific dipping process are formulated, so that flow marks are reduced, and the intermediate separation cleft is eliminated.
A process for reducing flow velocity, preventing splashing and solving the defect of inner and outer wall slurry holes; the bonding process is adopted: repairing, entering a kang furnace, bonding, pressing (heating), coating, arranging direction, entering the kang furnace and repairing the core.
A dead head is added at the position of the waste gas hole, so that the defects of cold shut of the waste gas hole and shrinkage porosity of the root of the waste gas hole are overcome; the middle part of the dead head is fed with fire, the bottom of the dead head adopts a spherical structure, the flow velocity in the cavity is reduced, and the flow velocity is 0.57 m/s; the splashing of the molten iron is solved, and the slurry hole in the product cavity is solved.
Drawings
FIG. 1: the utility model is a structural schematic diagram of the position relationship;
FIG. 2: the utility model is a structural schematic diagram of a buckle;
FIG. 3: the utility model discloses a structural schematic diagram of a fixed connecting piece;
FIG. 4; the structure of the die is shown schematically;
wherein the mould comprises a casting mould-1, a buckle-2, a fixed connecting piece-3, a base-4, a mould-5 and an ignition point-6.
Detailed Description
For better understanding of the objects, technical solutions and advantages of the present invention, the following will clearly and completely describe the technical solutions of the present invention in connection with the embodiments, but the present invention is not limited to the following embodiments. In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the utility model, are within the scope of the utility model.
Example 1
As shown in fig. 1, the present embodiment provides a dual-flow-passage turbo-casting mold 1 apparatus including a casting mold 1; a buckle 2 for fixing the casting mould 1; casting holes for pouring metal and exhaust gas holes for exhausting extrusion gas on the upper side of the casting mold 1, wherein the casting mold 1 comprises a mold 5 and a fixed connecting piece 3, and the casting holes are arranged on the upper side of the casting mold 1 and correspond to an ignition point 6 in the middle of a casting.
The casting mold 1 adopts a double-flow-passage arc-shaped concentric cavity, and the mold 5 is provided with a positioning clamping groove and a positioning buckle.
And a heating riser is designed at the upper part of the highest point of the casting.
The flow channel changes the small section into a circular arc structure.
The waste gas hole is connected with the heating riser.
The base 4 is located on the lower side of the casting mould 1.
The concentric cavity is a hollow structure with the circle centers of the circular arcs at the same position.
The half pieces of the casting mould 1 are combined into a casting mould 1 unit along an arc-shaped structure in a rotating concentric manner; the buckle 2 is used for matching and fixing; assembling the units to form a complete structure of the turbine casting in a matched manner; and the cold shrinkage of the same batch is carried out, so that the condensation properties of the unit bodies are ensured to be consistent.
During casting, the casting solution enters from the ignition point 6 in the middle, flows along the casting cavity in the casting mold 1 to fill the space, and squeezes gas to move towards the heating riser, so that the casting mold 1 is discharged through the waste gas hole.
When the temperature is reduced to the room temperature, the casting mold 1 device is opened for demolding treatment, and the casting process is completed
Example 2
As shown in fig. 2, the present embodiment is based on embodiment 1; the design of the exhaust gas holes is optimized.
The exhaust gas hole is provided with a plurality of risers.
Solves the manufacturing defects of high casting speed, over-high temperature reduction during cooling, overlarge flow of the waste gas hole and shrinkage porosity of the cold partition part of the waste gas hole
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent substitutions made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. A dual-flow turbine mold apparatus, characterized by: comprises a casting mould; a fastener for fixing the casting mold; the casting mold comprises a casting hole for pouring metal on the upper side of the casting mold and an exhaust gas hole for exhausting extrusion gas, wherein the casting mold comprises a mold and a fixed connecting piece, and the casting hole is arranged on the upper side of the casting mold and corresponds to an ignition point in the middle of a casting.
2. A dual-flow turbine mold assembly as in claim 1 wherein: the casting mold adopts a double-flow-channel arc-shaped concentric cavity, and the mold is provided with a positioning clamping groove and a positioning buckle.
3. A dual-flow turbine mold assembly as in claim 1 wherein: and a heating riser is designed at the upper part of the highest point of the casting.
4. A dual-flow turbine mold assembly as in claim 1 wherein: the flow channel changes the small section into a circular arc structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120449023.6U CN215845542U (en) | 2021-03-02 | 2021-03-02 | Double-runner turbine casting mold device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120449023.6U CN215845542U (en) | 2021-03-02 | 2021-03-02 | Double-runner turbine casting mold device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215845542U true CN215845542U (en) | 2022-02-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120449023.6U Active CN215845542U (en) | 2021-03-02 | 2021-03-02 | Double-runner turbine casting mold device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215845542U (en) |
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2021
- 2021-03-02 CN CN202120449023.6U patent/CN215845542U/en active Active
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