Airplane model airplane duct and die-casting production forming die

By using an integrated duct design and mold structure, the problems of large mass and complex assembly of ducts for model aircraft have been solved, achieving lightweight and efficient production.

CN223748521UActive Publication Date: 2026-01-02DONGGUAN XINLIANCHENG TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520182568.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-06
Publication Date
2026-01-02
Estimated Expiration
2035-02-06

AI Technical Summary

Technical Problem

The existing split structure of the ducted duct of model aircraft results in heavy weight and complex assembly, which affects flight performance and production efficiency.

Method used

The duct is designed as a single piece, combining air guide rings, guide vanes and extension tubes, with mold base, mold blank and slider structure to achieve overall molding and rapid production of the duct.

Benefits of technology

This reduces the duct's own weight, increases flight lift and service life, and also improves production efficiency and ease of assembly.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223748521U_ABST
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Abstract

The model airplane duct and the die-casting production forming die comprise the model airplane duct and the forming die, the model airplane duct further comprises a duct pipe used for guiding airflow, the outer edge of one end of the duct pipe extends and expands outwards to be provided with an air guide ring in an integrated forming mode, and the air guide ring is connected with the forming die. The inner wall of the end, different from the air guide ring, of the duct pipe evenly extends towards the axis to be provided with guide blades, and an extension cylinder coaxial with the duct pipe is further arranged in the duct pipe. According to the technical scheme, the model airplane duct can be integrally formed in the mold operation process, when the mold is closed, alloy liquid is conveyed into the feeding pipe through the feeding ejector sleeve, then conveyed into the discharging groove and conveyed into a cavity in the mold through the discharging groove, and after cooling and fixing, the model airplane duct is formed in the mold; and the production efficiency of the duct is greatly improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to model duct and forming die technical field, concretely relates to a kind of airplane model duct and die casting production forming die. BACKGROUND

[0002] With the continuous development of science and technology, toy airplane, remote control airplane and other unmanned aerial vehicle aviation equipment are gradually developed and widely used in market, and the current aircraft needs to install lift kit in the process of flight, so as to facilitate the rapid takeoff of airplane;

[0003] Generally speaking, eight of the engine thrust comes from the power formed by the gas discharged by the duct, but the current model duct is basically formed by splicing the split structure for the convenience of forming and producing each part of the duct, which leads to the heavy quality of the duct itself, and the spliced structure also needs the staff to assemble the parts additionally, and it is necessary to improve and optimize the structure of the airplane model duct and die casting production forming die in view of the problems exposed in the use of the current airplane model duct and die casting production forming die. SUMMARY

[0004] To solve the above technical problems, the utility model provides an airplane model duct and die casting production forming die, which has the characteristics of facilitating the integral forming of airplane model duct and facilitating the rapid production of model duct by mold.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: an airplane model duct and die casting production forming die, comprising a model duct and a forming die, the model duct further comprises a duct pipe for guiding airflow, the outer edge of one end of the duct pipe extends outward and expands to integrally form a wind deflector, the inner wall of the one end of the duct pipe different from the wind deflector uniformly extends to the axis and is provided with a guide vane, the inside of the duct pipe is further provided with an extension cylinder coaxial with the duct pipe, and one end of the guide vane is connected with the outer wall of the extension cylinder and integrally formed.

[0006] The forming die comprises a mold base, a rear die blank fixed on the top of the mold base by bolts, a rear die core embedded and fixed in the center area of the top of the rear die blank, a forming cavity for duct forming is formed in the top of the rear die core, a front die blank is fixed at the outer edge of the top of the rear die blank, a front die base plate is provided at the top end of the front die blank, a front die core is provided at the bottom end of the front die base plate, and a slide block is further provided on the inner side of the front die blank.

[0007] As an aircraft model duct and die-casting production forming die optimal technical scheme of the utility model, the duct pipe and the extension cylinder inside the duct pipe are all hollow cylindrical members, the outer side surface of one end of the extension cylinder is uniformly provided with a retreat groove, and the end of the extension cylinder away from the retreat groove is integrally provided with an extension connecting piece inwardly extending.

[0008] An integrally formed mounting ear is symmetrically arranged on the outer wall of the duct pipe.

[0009] As an aircraft model duct and die-casting production forming die optimal technical scheme of the utility model, the bottom end of the front mold base is symmetrically provided with two inclined guide columns, and the inside of the front mold blank, the row position sliding block and the rear mold blank is provided with a guide through slot facilitating displacement of the inclined guide column.

[0010] As an aircraft model duct and die-casting production forming die optimal technical scheme of the utility model, the row position sliding block is provided with two groups, the two groups of row position sliding blocks are symmetrically arranged on the two sides of the rear mold core, and the two groups of row position sliding blocks keep relatively far away or relatively close to each other when horizontally displacing on the rear mold blank.

[0011] As an aircraft model duct and die-casting production forming die optimal technical scheme of the utility model, the bottom end of the mold base is further embedded with a thimble base, a plurality of thimble bodies are fixedly arranged on the upper surface of the thimble base, and one end of the thimble body penetrates the rear mold blank, the row position sliding block and reaches the front mold blank for ejecting the formed duct.

[0012] As an aircraft model duct and die-casting production forming die optimal technical scheme of the utility model, the top of the front mold base is further provided with a feeding sleeve, the inside of the front mold base and the front mold blank is further provided with a feeding pipe, one end of the feeding pipe is in communication with one end of the feeding sleeve, the surface of the front mold blank and the front mold base is further provided with a discharge groove, and the liquid in the feeding sleeve is conveyed to the inside of the discharge groove through the feeding pipe and injected into the mold for forming.

[0013] As an aircraft model duct and die-casting production forming die optimal technical scheme of the utility model, the outer surface of the front mold base and the rear mold blank is further fixed with a separation mechanism one and a separation mechanism two through bolts, the end of the separation mechanism one and the separation mechanism two facing each other is provided with a protruding tooth for limiting locking, the end of the separation mechanism two is provided with a spring, and the locking pressure of the protruding tooth can be adjusted through the spring.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1. The model aircraft duct structure of the present application can effectively reduce the quality of the model aircraft duct, provide greater lift when the aircraft is flying, guide the airflow and maintain the strength of the duct structure, and effectively improve the service life.

[0016] 2. The model aircraft duct structure of the present application can be integrally formed during the operation of the mold. When the mold is closed, the alloy liquid is conveyed into the inside of the feeding pipe through the feeding sleeve, and then conveyed into the discharge groove, and then conveyed into the cavity in the mold. After cooling and fixing, the model aircraft duct is formed in the inside of the mold, greatly improving the production efficiency of the duct. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to make the content of the present application more easily and clearly understood, the present application will be further described in detail below according to specific embodiments and in conjunction with the drawings.

[0018] Figure 1 is a schematic view of the model aircraft duct structure of the present application;

[0019] Figure 2 is another perspective view of the model aircraft duct structure of the present application; Figure 1

[0020] Figure 3 is another perspective view of the model aircraft duct structure of the present application; Figure 2

[0021] Figure 4 is a bottom view of the model aircraft duct structure of the present application; Figure 1

[0022] Figure 5 is a sectional view of the mold of the present application;

[0023] Figure 6 is an A-A sectional view of the model aircraft duct structure of the present application; Figure 5

[0024] Figure 7 is a B-B sectional view of the model aircraft duct structure of the present application; Figure 6

[0025] Figure 8 is a C-C sectional view of the model aircraft duct structure of the present application; Figure 6

[0026] Figure 9 is a schematic view of the mold locking structure of the present application;

[0027] ​​​​​​In the diagram: 1. Duct pipe; 2. Air guide ring; 3. Mounting lug; 4. Guide vane; 5. Extension cylinder; 6. Retraction groove; 7. Extension connecting piece; 8. Front mold base plate; 9. Front mold blank; 10. Front mold core; 11. Sliding block; 12. Rear mold blank; 13. Rear mold core; 14. Mold base; 15. Ejector pin base; 16. Angled guide pillar; 17. Ejector pin body; 18. Feed sleeve; 19. Feed pipe; 20. Discharge groove; 21. Separation mechanism one; 22. Separation mechanism two. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] Example

[0030] like Figures 1-9 As shown, the present invention relates to an aircraft model duct and a die-casting production mold, comprising an aircraft model duct and a molding mold. The aircraft model duct also includes a duct pipe 1 for guiding airflow. One end of the duct pipe 1 extends outward and is integrally formed with a guide ring 2. The guide ring 2 used in this technical solution has a trumpet-shaped structure, which can more easily guide the airflow. The inner wall of the end of the duct pipe 1 opposite to the guide ring 2 is uniformly provided with guide blades 4 extending towards the axis. The guide blades 4 can be set as sheet-like components with a certain curvature. The inside of the duct pipe 1 is also provided with an extension cylinder 5 coaxial with the duct pipe 1. One end of the guide blade 4 is connected to the outer wall of the extension cylinder 5 and integrally formed.

[0031] The molding die includes a mold base 14 and a rear mold blank 12 fixedly mounted on the top of the mold base 14 by bolts. A rear mold core 13 is also fitted and fixedly mounted in the top center area of ​​the rear mold blank 12. A molding cavity for duct molding is opened on the top of the rear mold core 13. A front mold blank 9 is fixedly mounted at the top outer edge of the rear mold blank 12. A front mold base plate 8 is mounted at the top of the front mold blank 9. A front mold core 10 is mounted at the bottom of the front mold base plate 8. A sliding slider 11 that can slide and move is also mounted on the inner side of the front mold blank 9. When the sliding slider 11 is locked, it can simultaneously limit and lock the rear mold core 13.

[0032] Specifically, the culvert 1 and the extension tube 5 inside the culvert 1 are both hollow cylindrical components. The outer surface of one end of the extension tube 5 is uniformly provided with a recess groove 6. The end of the extension tube 5 away from the recess groove 6 extends inward and is integrally formed with an extension connecting piece 7. The extension connecting piece 7 is used to seal the end of the extension tube 5.

[0033] The outer wall of the duct 1 is also provided with a symmetrical mounting lug 3, which is more convenient for the connection and fixation of the duct 1 and the components on the airplane.

[0034] Specifically, the bottom end of the front mold base plate 8 is provided with two inclined guide columns 16, and the inside of the front mold blank 9, the row position sliding block 11 and the rear mold blank 12 are provided with guide through grooves for the displacement of the inclined guide columns 16. In the embodiment, the inclined guide columns 16 are used to further adjust the position of the row position sliding block 11, and the mold locking and separation are adjusted by adjusting the row position sliding block 11.

[0035] Specifically, the row position sliding block 11 is provided with two groups, which are symmetrically arranged on the two sides of the rear mold core 13, and the two groups of row position sliding blocks 11 keep relatively far away or relatively close to each other when they are horizontally displaced on the rear mold blank 12. The bottom end of the mold base 14 is also embedded with a thimble base 15, and a plurality of thimble bodies 17 are fixed on the upper surface of the thimble base 15. One end of the thimble body 17 penetrates the rear mold blank 12, the row position sliding block 11 and reaches the front mold blank 9 for ejection of the formed duct.

[0036] Specifically, the top of the front mold base plate 8 is also provided with a feeding sleeve 18, and the inside of the front mold base plate 8 and the front mold blank 9 is also provided with a feeding pipe 19. One end of the feeding pipe 19 is in communication with one end of the feeding sleeve 18. The surface of the front mold blank 9 and the front mold base plate 8 is also provided with a discharge groove 20. The liquid in the feeding sleeve 18 is transported to the inside of the discharge groove 20 through the feeding pipe 19 and injected into the mold for molding. In the embodiment, the feeding sleeve 18 is a hollow structure, and the feeding sleeve 18 is connected with the pipeline outside for transporting alloy liquid to the inside of the feeding pipe 19 for product die casting molding.

[0037] Specifically, the outer surface of the front mold base plate 8 and the rear mold blank 12 is also fixed with a separation mechanism one 21 and a separation mechanism two 22 through bolts. The end of the separation mechanism one 21 and the separation mechanism two 22 is provided with a protrusion for limiting and locking. The end of the separation mechanism two 22 is provided with a spring, and the locking pressure of the protrusion can be adjusted by the spring. In the embodiment, the cooperation of the two separation mechanisms can ensure good sealing of the mold during die casting.

[0038] The working principle and use process of the model aircraft duct produced by the model aircraft duct integrated molding device are as follows: the model aircraft duct integrated molding device is provided with the wind guide ring 2 which is arranged at the end of the duct pipe 1 and extends outward, the air suction amount can be further improved, the duct pipe 1 is integrally formed with the guide vanes 4, the retreat grooves 6 and the extension connecting pieces 7 are arranged in the extension cylinder 5, the air flow is guided and the strength of the duct structure is maintained, the quality of the model aircraft duct can be further reduced, and the lift of the duct can be improved to a certain extent.

[0039] The model aircraft duct is integrally formed in the mold running process, when the mold is closed, the alloy liquid is conveyed into the inside of the feeding pipe 19 through the feeding sleeve 18, and then conveyed into the discharging groove 20, and then conveyed into the cavity in the inside of the mold through the discharging groove 20, and the model aircraft duct is formed in the inside of the mold after being cooled and fixed.

[0040] After the mold die casting production is completed, the machine needs to be opened to take out the product in the inside, the front mold blank 9 is separated from the rear mold blank 12, the separation mechanism one 21 is separated from the separation mechanism two 22, the material handle is broken, then the front mold blank 9 is separated from the rear mold blank 12, the row position sliding block 11 runs to both sides under the action of the inclined guide column 16, when the front and rear mold blanks are completely separated and have enough gap, the inclined guide column 16 is separated from the guide vane 4, at this time, the front mold blank 9 is completely separated from the rear mold blank 12, the staff controls the external equipment to clamp off the material handle after the front and rear molds are separated to the position, then the ejector pin body 17 runs to eject the product, the die casting process production is completed, the model aircraft duct produced by the above method has small quality, and the subsequent model aircraft duct installation and assembly are facilitated.

[0041] The above is only the preferred embodiment of the model aircraft duct integrated molding device, and is not used to limit the model aircraft duct integrated molding device, and various equivalent changes made according to the content of the model aircraft duct integrated molding device and the drawings are within the protection scope of the model aircraft duct integrated molding device.

Claims

1. An aircraft model duct and die-casting production forming die, comprising a model duct and a forming die, characterized in that: The model duct further comprises a duct pipe (1) for guiding air flow, an air guide ring (2) is integrally formed on the outer edge of one end of the duct pipe (1), guide vanes (4) are uniformly arranged on the inner wall of the end of the duct pipe (1) other than the air guide ring (2), and an extension cylinder (5) coaxial with the duct pipe (1) is further arranged inside the duct pipe (1); one end of the guide vanes (4) is connected with the outer wall of the extension cylinder (5) and integrally formed. The forming mold comprises a mold base (14), a rear mold blank (12) fixed on the top of the mold base (14) by bolts, a rear mold core (13) fixedly arranged in the center area of the top of the rear mold blank (12), a forming cavity for duct forming is arranged on the top of the rear mold core (13), a front mold blank (9) fixedly arranged on the top outer edge of the rear mold blank (12), a front mold bottom plate (8) arranged on the top end of the front mold blank (9), a front mold core (10) arranged on the bottom end of the front mold bottom plate (8), and a slide block (11) arranged on the inner side of the front mold blank (9) and capable of sliding displacement.

2. The aircraft model ducted fan and die-casting production forming mold according to claim 1, characterized in that: The duct pipe (1) and the extension cylinder (5) inside the duct pipe (1) are both hollow cylindrical members, the outer side surface of one end of the extension cylinder (5) is uniformly provided with a displacement groove (6), and an extension connecting piece (7) is integrally arranged on the end of the extension cylinder (5) away from the displacement groove (6). An integrally formed mounting ear (3) is symmetrically arranged on the outer wall of the duct pipe (1).

3. The aircraft model ducted fan and die-casting production forming mold of claim 1, wherein: The bottom end of the front mold bottom plate (8) is symmetrically provided with two inclined guide columns (16), and guide through grooves for the displacement of the inclined guide columns (16) are arranged in the interiors of the front mold blank (9), the slide block (11) and the rear mold blank (12).

4. The aircraft model ducted fan and die-casting production forming mold of claim 1, wherein: The slide block (11) is provided with two groups, the two groups of slide blocks (11) are symmetrically arranged on the two sides of the rear mold core (13), and the two groups of slide blocks (11) keep relatively far away from each other or relatively close to each other when horizontally displaced on the rear mold blank (12).

5. The aircraft model ducted fan and die-casting production forming mold of claim 1, wherein: The bottom end of the mold base (14) is further embedded with a thimble base (15), a plurality of thimble bodies (17) are fixedly arranged on the upper surface of the thimble base (15), one end of the thimble body (17) penetrates the rear mold blank (12), the slide block (11) and reaches the front mold blank (9) for ejecting the formed duct.

6. The aircraft model ducted fan and die casting production forming mold of claim 1, wherein: A feeding sleeve (18) is arranged on the top of the front mold bottom plate (8), a feeding pipe (19) is arranged in the interior of the front mold bottom plate (8) and the front mold blank (9), one end of the feeding pipe (19) is communicated with one end of the feeding sleeve (18), a discharging groove (20) is arranged on the surface of the front mold blank (8) and the front mold bottom plate (8) in abutment, and the liquid in the feeding sleeve (18) is conveyed to the interior of the discharging groove (20) through the feeding pipe (19) and injected into the mold interior for forming.

7. The aircraft model ducted fan and die casting production forming mold of claim 1, wherein: The outer side surface of the front mold base plate (8) and the rear mold blank (12) is also bolted with separation mechanism one (21) and separation mechanism two (22), one end of the separation mechanism one (21) and the separation mechanism two (22) is provided with a convex tooth for limiting locking, the end of the separation mechanism two (22) is provided with a spring, the locking pressure of the convex tooth can be adjusted through the spring.