Large single crystal guide blade group die tool
By designing a large-scale single-crystal guide vane assembly tooling and utilizing the connecting rods on the outer side of the chassis for support, the effective assembly area is expanded, solving the problem of assembly difficulties caused by the space occupied by the central column tube in the existing technology, and realizing the directional casting of large-size single-crystal vanes.
Patent Information
- Application Number
- CN202423038439.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-10
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2034-12-10
AI Technical Summary
In the existing module assembly scheme, the installation of the central column tube results in the effective module assembly area being a circular area, which cannot meet the module assembly requirements of large-size single crystal blades.
Design a large single-crystal guide vane assembly tooling, including chassis embedded parts, connecting rods, pouring cup embedded parts, pouring cup cover plate and T-shaped handle. The connecting rods are distributed on the outside of the chassis to provide support, ensure the strength of the module and expand the effective assembly area.
The directional casting of large-size single-crystal blades was achieved, ensuring that the modules were successfully loaded into the furnace and meeting the assembly requirements of large single-crystal blades.
Smart Images
Figure CN223733774U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to single crystal blade preparation technical field of high temperature alloy, especially relates to a large -scale single crystal guide vane group mould frock. BACKGROUND
[0002] Large -size single crystal blade can keep excellent comprehensive mechanical property, organization stability and oxidation corrosion resistance in high temperature environment.This makes them in high temperature application such as aeroengine and gas turbine become key components, can bear higher turbine inlet temperature and thrust -to -weight ratio, thereby improving the efficiency and performance of engine. Figure 1 As shown in the figure, however, the existing moulding scheme, to ensure the strength of the module, in the central chassis will install the middle column pipe, cause the effective moulding area to be a circular ring area, the circular ring radial spacing is 75mm, make the wax moulding space of casting smaller, can not satisfy the moulding demand of large -size single crystal guide vane. SUMMARY
[0003] The utility model discloses a large -scale single crystal guide vane group mould frock, aims at effectively increasing the effective moulding area, to satisfy the moulding demand of large -size single crystal guide vane.
[0004] For this purpose, the utility model provides a large -scale single crystal guide vane group mould frock, including chassis embedded part, connecting rod, pouring cup embedded part, pouring cup cover plate and T type handle, the chassis embedded part is embedded in the chassis wax mould, the pouring cup embedded part is embedded in the pouring cup wax mould, and a plurality of connecting rods are evenly distributed on the outside four sides of the chassis wax mould, and the two ends are detachably connected with the chassis embedded part and the pouring cup cover plate respectively, the butt joint screw rod of pouring cup embedded part is matched and passes out from the center hole of pouring cup cover plate and is connected with T type handle screw, T type handle and the upper end of pouring cup cover plate abut, and the pouring cup wax mould is closely attached to the pouring cup cover plate.
[0005] Specifically, the two ends of the connecting rod are provided with threaded columns, the diameter of the threaded column is less than the diameter of the connecting rod, the threaded column at the lower end is matched and passes out from the connecting hole on the chassis gasket and is connected with the lock nut, the chassis gasket is detachably connected with the chassis embedded part through the connecting screw rod, and the threaded column at the upper end is matched and passes out from the connecting hole on the pouring cup cover plate and is connected with the lock nut.
[0006] Specifically, the upper surface of the chassis embedded part is provided with a groove.
[0007] Compared with the prior art, the utility model has the following beneficial effects: through design frock, and embed the chassis embedded part of frock in the chassis wax mould, connect the pouring cup embedded part with the chassis embedded part with the connecting rod afterwards, provide support to whole module, guarantee the strength of module, and the connecting rod is distributed on the outside of chassis, does not occupy the chassis space, therefore effective module area is whole chassis circular area, the blade wax mould can be close to the middle part of chassis when installing, make its external contour not exceed whole chassis range, whole module can be smoothly installed in the hearth, realize the directional pouring of large size single crystal blade. BRIEF DESCRIPTION OF DRAWINGS
[0008] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the following will briefly introduce the drawing needed to be used in the embodiment description, obviously, the drawing in the following description only is some embodiments of the utility model, for ordinary skilled person in the art, under the premise of not paying the creative labor, still can obtain other drawings according to these drawings.
[0009] Figure 1 It is the existing module scheme schematic diagram;
[0010] Figure 2 It is the frock structure schematic diagram provided by the embodiment of the utility model;
[0011] Figure 3 It is the pouring cup cover plate and frock assembly drawing provided by the embodiment of the utility model;
[0012] Figure 4 It is the module schematic diagram using the frock provided by the embodiment of the utility model;
[0013] 1, chassis embedded part;2, connecting rod;3, pouring cup embedded part;4, pouring cup cover plate;5, butt joint screw;6, T handle;7, chassis wax mould;8, pouring cup wax mould;9, blade wax mould;10, crystal nucleation section wax mould;11, pouring wax mould;12, ceramic support rod;13, threaded column;14, chassis gasket;15, locking nut;16, groove. DETAILED DESCRIPTION
[0014] The technical scheme in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model, obviously, the described embodiment only is a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by ordinary skilled person in the art without making creative labor belong to the scope of protection of the utility model.
[0015] In the description of the utility model, it is understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.
[0016] In addition, the terms "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.
[0017] Referring to Figures 2-4 A large single crystal guide vane group mold tool, comprising a chassis embedded part 1, a connecting rod 2, a pouring cup embedded part 3, a pouring cup cover plate 4 and a T-shaped handle 6, the chassis embedded part 1 is embedded in the chassis wax mold 7, the pouring cup embedded part 3 is embedded in the pouring cup wax mold 8, a plurality of connecting rods 2 are uniformly distributed on the outer side of the chassis wax mold 7, and the two ends are respectively detachably fixedly connected with the chassis embedded part 1 and the pouring cup cover plate 4, the butt joint screw rod 5 of the pouring cup embedded part 3 is matched with the center hole of the pouring cup cover plate 4 and is screwed with the T-shaped handle 6, the T-shaped handle 6 abuts against the upper end of the pouring cup cover plate 4, and the pouring cup wax mold 8 is tightly attached to the pouring cup cover plate 4.
[0018] When assembling the mold, the chassis wax mold 7, the pouring cup wax mold 8 and a plurality of vane wax molds 9 are combined by using the tool to form a mold group, as shown in Figure 1 and Figure 2 ; wherein a plurality of connecting rods 2 are uniformly distributed on the outer side of the chassis wax mold 7, and the two ends are respectively detachably fixedly connected with the chassis embedded part 1 and the pouring cup cover plate 4, the butt joint screw rod 5 of the pouring cup embedded part 3 is matched with the center hole of the pouring cup cover plate 4 and is screwed with the T-shaped handle 6, the T-shaped handle 6 abuts against the upper end of the pouring cup cover plate 4, and the pouring cup wax mold 8 is tightly attached to the pouring cup cover plate 4, the lower end of each vane wax mold 9 is connected with the chassis wax mold 7 through a crystal growth section wax mold 10, and the upper end is connected with the pouring cup wax mold through a runner wax mold 11, the gap between the pouring cup wax mold 8 and the pouring cup cover plate 4 is sealed with wax liquid, and the surfaces of all components of the tool except the T-shaped handle 6 are brushed with wax. When shell making, the mechanical hand clamps the T-shaped handle 6 to dip slurry, spray sand and dry the entire mold group multiple times to form a mold shell.
[0019] The utility model discloses a tooling is designed, and the chassis embedded part 1 of tooling is embedded in the chassis wax mould 7, then connects the pouring cup embedded part 3 with the chassis embedded part 1 with connecting rod 2, provides the support to whole module, guarantees the strength of module, and connecting rod 2 is distributed on the outside of chassis, will not occupy the chassis space, so effective module area is the whole chassis circular area, when blade wax mould 9 is installed, can draw together to the middle part of chassis, make its external contour not exceed the whole chassis range, whole module can be smoothly loaded into the hearth, realizes the directional pouring of large -size single crystal blade.
[0020] In some embodiments, the detachable connection structure of connecting rod 2, pouring cup cover plate 4 and chassis embedded part 1 can adopt the following mode: the both ends of connecting rod 2 are provided with threaded column 13, the diameter of threaded column 13 is less than the diameter of connecting rod 2, when module is assembled, first, chassis gasket 14 is connected with the corresponding threaded hole on chassis embedded part 1 through connecting screw, then threaded column 13 at lower end is matched and passed out from the connecting hole on chassis gasket 14 and is locked by lock nut 15, so that connecting rod 2 is vertically fixed on the periphery of chassis embedded part 1, the number of connecting rod 2 can be three, four or even more; then, after the butt joint screw rod 5 of pouring cup embedded part 3 is passed through pouring cup cover plate 4, T-shaped handle 6 is screwed tightly so that it abuts with pouring cup cover plate 4, pouring cup wax mould 8 is suspended and fixed below pouring cup cover plate 4, then threaded column 13 at upper end is matched and passed out from the connecting hole on pouring cup cover plate 4 and is locked by lock nut 15, so that pouring cup cover plate 4 is clamped and fixed between lock nut 15 and connecting rod 2, and pouring cup cover plate 4 is firmly fixed at the upper end of connecting rod 2.
[0021] Referring to Figure 2 And Figure 3 In order to improve the bonding strength of wax material and chassis embedded part 1, recess 16 is arranged on the upper surface of chassis embedded part 1. Referring to Figure 4 In order to improve the strength of the whole module, prevent the wax mould from deforming during the process of dipping slurry and sanding, a plurality of ceramic support rods 12 for supporting blade wax mould 9 are welded on the wax mould chassis. Any of the technical solutions disclosed in the above utility model should be understood by any person skilled in the art that, if a numerical range is disclosed, the disclosed numerical range is a preferred numerical range, and the preferred numerical range is only one of the many implementable numbers with more obvious technical effects or representative numbers. Since there are too many numbers, it is impossible to enumerate all, so the utility model discloses only part of the numbers to illustrate the technical solutions of the application, and the above-mentioned enumerated numbers should not constitute a limitation on the protection scope of the application.
[0022] Meanwhile, if the above-mentioned utility model discloses or involves mutually fixedly connected parts or structural members, then, except for another declaration, the fixed connection can be understood as: detachably fixedly connected (for example, connected by using bolts or screws), and can also be understood as: non-detachably fixedly connected (for example, riveted, welded), of course, the mutually fixed connection can also be replaced by an integral structure (for example, integrally formed by using a casting process) (except for obviously unable to use an integral forming process).
[0023] In addition, the meaning of the term used for indicating the position relationship or shape in any of the above-mentioned utility model disclosed technical solutions includes the approximate, similar or close state or shape, except for another declaration. Any component provided by the utility model can be assembled by a plurality of separate components, or can be a separate component manufactured by an integral forming process.
[0024] The above-mentioned embodiments are only examples for clearly illustrating the utility model, and are not limited to the implementation modes. For ordinary skilled persons in the art, other different forms of changes or variations can be made on the basis of the above-mentioned description. Here, all the embodiments need not be exhausted, and the obvious changes or variations derived therefrom are still within the protection scope of the utility model.
Claims
1. A large single crystal guide vane set mold tool, characterized by: The bottom plate embedded part is embedded in a bottom plate wax mold, the pouring cup embedded part is embedded in a pouring cup wax mold, a plurality of the connecting rods are uniformly distributed around the outside of the bottom plate wax mold, and the two ends are respectively detachably fixedly connected with the bottom plate embedded part and the pouring cup cover plate, the butt joint screw rod of the pouring cup embedded part is matched with the center hole of the pouring cup cover plate, and the T-shaped handle is threadedly connected with the butt joint screw rod.
2. The large single crystal steering vane set mold tooling of claim 1, wherein: The two ends of the connecting rod are provided with threaded columns, the diameter of the threaded column is smaller than the diameter of the connecting rod, the threaded column at the lower end is matched with the connecting hole on the bottom plate gasket and is connected with a locking nut, the bottom plate gasket is detachably connected with the bottom plate embedded part through a connecting screw rod, and the threaded column at the upper end is matched with the connecting hole on the pouring cup cover plate and is connected with a locking nut.
3. The large single crystal steering vane set mold tooling of claim 1 or 2, wherein: The upper surface of the bottom plate embedded part is provided with a groove.