A method for manufacturing a composite wing box of a small and medium-sized unmanned aerial vehicle

A technology of composite materials and manufacturing methods, applied in computer-aided design, instrumentation, geometric CAD, etc., to achieve the effects of simplifying the molding process, reducing quality risks, and reliable product performance

Active Publication Date: 2018-12-07
XIAN AISHENG TECH GRP +1
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  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem solved by the present invention is: In view of the limitations of the existing technology, the present invention provides a manufacturing process and tooling for a small and medium-sized unmanned aerial veh

Method used

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  • A method for manufacturing a composite wing box of a small and medium-sized unmanned aerial vehicle
  • A method for manufacturing a composite wing box of a small and medium-sized unmanned aerial vehicle
  • A method for manufacturing a composite wing box of a small and medium-sized unmanned aerial vehicle

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Embodiment Construction

[0033] see figure 1 — Figure 7 , a method for manufacturing a wing box made of composite materials for small and medium-sized unmanned aerial vehicles, the process includes the following steps:

[0034] Step 1, tooling design: use 3D modeling to process the mold according to the digital model to obtain the overall forming mold. The block design is adopted in the design of tooling to ensure process molding and product demoulding; detachable positioning blocks are designed at both ends of the middle of the female mold 1 to facilitate the positioning and placement of the subsequent water-soluble mandrel 3 .

[0035] Step 2, manufacturing the water-soluble mandrel 3: using three-dimensional modeling, the mandrel is processed according to the digital model, and the water-soluble mandrel 3 is obtained, and then dried.

[0036] Step 3, preparation process: prepare leading edge foam parts 4 and prepreg for overall molding; unseal female mold 1, trailing edge forming module 2 and wa...

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Abstract

The invention relates to a method for manufacturing a composite wing box of a small and medium-sized unmanned aerial vehicle to solve the problem that the application of the integral forming of the wing box is limited and to improve the operability and demoulding of the product in the forming process, and improve the complexity of the integral forming tooling and the scope of application of the integral forming of the wing box. The invention solves the problem that the application of the wing box of existing conventional integral molding machine is limited, improves the operability and the demoulding property in the molding process of the product, and effectively improves the complexity of the integral molding tool and the applicable range of the integral molding of the wing box. The invention effectively reduces the quality hidden trouble in the existing integral molding, makes the quality of the integral molding wing box more stable, and effectively improves the reliability of the product. The integral molding tooling is simplified effectively, the molding process is simplified, the product performance of the integral molding is guaranteed to be reliable, the dimension is stable,the design/manufacture integration is realized, the process difficulty is reduced, and the production cycle is shortened.

Description

technical field [0001] The invention belongs to the technical field of UAV composite material forming technology, and relates to a manufacturing method for a small and medium-sized UAV composite material wing box. Background technique [0002] The traditional UAV wing structure molding method is mainly wet hand lay-up FRP molding. With the popularization and application of high-performance prepreg, it has gradually evolved into autoclave molding, which makes the mechanical properties and reliability of UAV wing structure It has been greatly improved in terms of environmental adaptability, etc., while being lighter in weight and more uniform in glue content. However, the typical disadvantage of autoclave forming is high production cost, which seriously affects the promotion and application of high-performance drones and the improvement of their market competitiveness. Therefore, in order to improve its scope of application, non-autoclave forming methods are the current and fu...

Claims

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Application Information

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IPC IPC(8): G06F17/50
CPCG06F30/15G06F30/20G06F2119/18
Inventor 赵伟超孙奇赵景丽何颖段国晨童话
Owner XIAN AISHENG TECH GRP
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