Weather vane cover forming die
By designing a molding die consisting of a male mold, positioning block, female mold, and blocking plate, the problem of laborious, time-consuming, and inaccurate molding of Soviet-made aircraft wind vane covers was solved, achieving efficient and accurate wind vane cover molding.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- DALIAN CHANGFENG IND CORP
- Filing Date
- 2025-05-29
- Publication Date
- 2026-05-05
AI Technical Summary
The existing manufacturing process for Soviet-made aircraft wind vanes is laborious, time-consuming, and prone to inaccurate and inconsistent molding, which affects work efficiency.
The molding die consists of a male mold, a positioning block, a female mold, and a blocking plate. The accurate forming of the wind vane cover is achieved by closing the male and female molds. The positioning block ensures that the axis of the unfolded material is aligned, and the gap between the male and female mold surfaces is uniform to avoid damaging the mold.
This improved the molding efficiency and consistency of the weather vane cover, ensuring product quality.
Smart Images

Figure CN224195745U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of aviation manufacturing technology and relates to a weather vane molding mold, specifically to the production of weather vanes for Soviet-made aircraft. Background Technology
[0002] Before disassembling Soviet-made aircraft, a weather vane needs to be installed to protect the weather vane and prevent damage during operation, which could affect its performance. The weather vane cover is a deep V-shaped shell made of thin sheet metal, such as... Figure 6 As shown, lugs are provided at opposite corners on both sides, and felt is glued inside the weather vane. The weather vane shells used in the repair of Su series aircraft are all made by hand bending, which is laborious, time-consuming, inefficient, and the molding is inaccurate and inconsistent. Utility Model Content
[0003] This utility model provides a weather vane cover forming mold, which not only improves work efficiency, but also ensures that the weather vane cover has a consistent shape.
[0004] The present invention adopts the following technical solution:
[0005] A weather vane cover forming mold, the forming mold comprising a male mold 1, a positioning block 2, a female mold 3, and a blocking plate 4.
[0006] According to the mold design principle, the female mold 3 is located at the bottom, and its upper surface is the forming surface. It is set according to the outer surface of the wind vane cover, and its length is designed according to the length of the wind vane cover. The end faces of both ends are fixedly installed with blocking plates 4 to cooperate in positioning the unfolded material of the wind vane cover.
[0007] The positioning block 2 is a strip structure and is installed on one side wall of the female mold 3. A boss is provided on the upper surface of the side away from the female mold 3. The edge of the wind vane unfolding material is aligned with the lower edge of the boss on the positioning block 2, so that the axis of the wind vane unfolding material is aligned with the axis of the female mold 3, which is used to ensure accurate and consistent molding.
[0008] The male mold 1 is positioned on top and is set according to the inner surface of the weather vane. Its length is designed according to the length of the weather vane, and its height is designed so as not to affect the ear design on both sides of the weather vane during pressing. It is molded together with the female mold 3 to form the weather vane. The gap between the male mold 1 and the female mold 3 is determined according to the thickness of the steel plate material used for the weather vane and is uniform to ensure that the mold is not damaged.
[0009] Furthermore, the female mold 3 and the blocking plate 4 are fixed by cylindrical head hexagonal bolts 5, or they are an integral structure.
[0010] The advantages of this utility model are: it has high working efficiency and can ensure consistent product molding. Attached Figure Description
[0011] Figure 1This is a schematic diagram of the weather vane mold, where (a) is the front view and (b) is the side view.
[0012] Figure 2 The diagram shows a positive mold, where (a) is the front view and (b) is the side view.
[0013] Figure 3 This is a schematic diagram of the positioning block, where (a) is the front view and (b) is the side view.
[0014] Figure 4 The diagram shows a female mold, where (a) is the front view and (b) is the side view.
[0015] Figure 5 The diagram shows a blockage plate, where (a) is the front view and (b) is the side view.
[0016] Figure 6 The diagram shows a wind vane cover, where (a) is the front view and (b) is the side view.
[0017] In the diagram: 1. Male mold; 2. Positioning block; 3. Female mold; 4. Blocking plate; 5. Cylindrical head hex bolt. Detailed Implementation
[0018] To make the objectives, technical solutions, and advantages of this utility model clearer, the specific embodiments of this utility model will be described in detail below.
[0019] A weather vane cover forming mold, the forming mold comprising a male mold 1, a positioning block 2, a female mold 3, and a blocking plate 4, as shown below. Figure 1 As shown.
[0020] like Figure 4 The female mold 3 is located at the bottom, and its upper surface is a molding surface, set according to the outer surface of the wind vane cover. Its length is designed according to the length of the wind vane cover. Square blocking plates 4 are fixedly installed at both ends of the mold using cylindrical head hexagonal bolts 5. Figure 5 ), to coordinate with the positioning wind vane cover unfolding material.
[0021] like Figure 3 The positioning block 2 is a strip structure and is installed on one side wall of the female mold 3. A boss is provided on the upper surface of the side away from the female mold 3. The edge of the wind vane unfolding material is aligned with the lower edge of the boss on the positioning block 2, so that the axis of the wind vane unfolding material is aligned with the axis of the female mold 3, which is used to ensure accurate and consistent molding.
[0022] like Figure 2The male mold 1 is located on top and is set according to the inner surface of the weather vane. Its length is designed according to the length of the weather vane, and its height is designed so as not to affect the ear design on both sides of the weather vane during pressing. It is molded together with the female mold 3 to realize the forming of the weather vane. The gap between the male mold 1 and the female mold 3 is determined according to the thickness of the steel plate material used for the weather vane and is uniform to ensure that the mold is not damaged.
Claims
1. A weather vane cover forming mold, characterized in that, The molding die includes a male mold (1) and a female mold (3); The female mold (3) is located at the bottom, and its upper surface is the forming surface, which is set according to the outer surface of the weather vane. Its length is designed according to the length of the weather vane. The male mold (1) is located at the top, which is set according to the inner surface of the weather vane. Its length is designed according to the length of the weather vane, and its height is designed so as not to affect the design of the ear on both sides of the weather vane during pressing. The gap between the surfaces of the male mold (1) and the female mold (3) is determined according to the thickness of the material used for the weather vane.
2. The weather vane cover forming mold according to claim 1, characterized in that, The female mold (3) is provided with blocking plates (4) at both ends to cooperate with the positioning wind vane cover to unfold the material.
3. The weather vane cover forming mold according to claim 2, characterized in that, The female mold (3) and the blocking plate (4) are fixed by cylindrical head hexagonal bolts (5), or they are an integral structure.
4. The weather vane cover forming mold according to claim 1, characterized in that, A positioning block (2) is installed on one side wall of the female mold (3). It is a strip structure with a boss on the upper surface of the side away from the female mold (3). The edge of the wind vane unfolding material is aligned with the lower edge of the boss, so that the axis of the wind vane unfolding material is aligned with the axis of the female mold (3).