A carbon fiber propeller winglet mold

By designing a carbon fiber propeller wingtip winglet mold including lower mold and upper mold, the combination of sliders and oblique blocks automatically guides the molds when clamping, the problem of difficult solid-state molding and lateral force of existing molds is solved, and high-quality propeller molding is achieved.

CN112172206BActive Publication Date: 2025-06-20ANHUI KING CYCLONE AVIATION TECH CO LTD
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Patent Information

Application Number
CN202011094060.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-10-14
Publication Date
2025-06-20
Estimated Expiration
2040-10-14

AI Technical Summary

Technical Problem

It is difficult for existing carbon fiber propeller wingtip winglet molds to achieve solid-state molding when there are wingtips on the propeller wingtips, and traditional molds have lateral force problems, which affects product quality.

Method used

A carbon fiber propeller wingtip winglet mold including a lower mold and an upper mold is designed. The combination of the slider and the oblique block automatically guides the mold cavity when the mold is clamped, and the fixed connection between the oblique block and the upper mold is counteracted to the lateral force of the conventional mold.

Benefits of technology

The curing and forming of propellers with winglets on the wing tips is realized, and the automatic guide is carried out to ensure product quality and offset the lateral force of traditional molds.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention discloses a carbon fiber propeller winglet mold, comprising: a lower mold and an upper mold, wherein: the lower mold has a lower mold cavity, and a slider capable of linearly sliding in the direction of the lower mold cavity is provided at one end of the lower mold and located in the lower mold cavity, and the side surface of the slider away from the lower mold cavity is an inclined surface with a negative slope; the upper mold has an upper mold cavity, and the upper mold cavity includes a main mold cavity opposite to the lower mold and an auxiliary mold cavity located on the side wall of the upper mold and communicating with the main mold cavity; an inclined pressing block with an inclined surface is provided on the upper mold; in the closed mold state, the upper mold cavity and the lower mold cavity cooperate with each other to form a cavity, the inclined surface of the slider fits with the inclined surface of the inclined pressing block, and the side surface of the slider close to the lower mold cavity is opposite to the auxiliary mold cavity and fits with the side wall of the upper mold to form a part of the inner wall of the cavity. The present invention can realize the curing and forming of a propeller with winglets at the wing tips, and can effectively ensure the product quality and offset the lateral force of the traditional mold.
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Description

Technical Field

[0001] The present invention relates to the technical field of aviation equipment, and particularly to a carbon fiber propeller winglet mold. Background Art

[0002] The carbon fiber propeller winglet mold includes a mold body, which is a structure of two symmetric steel closing molds. A mold closing mechanism is provided at the diagonals of the two symmetric mold bodies to ensure that there is no misalignment deviation during solid state forming. However, this structure cannot be realized when there are winglets at the propeller wingtips. Summary of the Invention

[0003] To solve the technical problems in the background art, the present invention proposes a carbon fiber propeller winglet mold.

[0004] A carbon fiber propeller winglet mold proposed by the present invention includes: a lower mold and an upper mold located above the lower mold, wherein:

[0005] The lower mold has a lower mold cavity. A slider that can linearly slide in the direction of the lower mold cavity is provided at one end of the lower mold and located in the lower mold cavity, and the side surface of the slider away from the lower mold cavity is an inclined surface with a negative slope.

[0006] The upper mold has an upper mold cavity, which includes a main mold cavity opposite to the lower mold and an auxiliary mold cavity located on the side wall of the upper mold and adjacent to the main mold cavity; an inclined pressure block with an inclined surface is provided on the upper mold and located above the slider.

[0007] In the mold closing state, the upper mold cavity and the lower mold cavity cooperate with each other to form a cavity. The inclined surface of the slider fits with the inclined surface of the inclined pressure block, and the side surface of the slider close to the lower mold cavity faces the auxiliary mold cavity and fits with the side wall of the upper mold to form a part of the inner wall of the cavity.

[0008] Preferably, the inclined pressure block includes a base part, a connecting part and an inclined block part that are integrally formed on one side of the base part. The connecting part is fixed to the upper mold, and the inclined surface of the inclined block part faces the connecting part and there is an expected spacing between them to form a guiding groove for the slider to enter; in the mold closing state, the slider is located in the guiding groove.

[0009] Preferably, the inclined pressure block is detachably assembled with the upper mold by bolts.

[0010] Preferably, a positioning pin is provided on the inclined pressure block.

[0011] Preferably, the inclined pressure block is fixed above the upper mold.

[0012] Preferably, a cushion block opposite to the inclined pressure block is provided on the upper mold and located on one side of the inclined pressure block.

[0013] Preferably, the cushion block is detachably assembled with the upper mold by bolts.

[0014] Preferably, a positioning pin is provided on the cushion block.

[0015] Preferably, it further includes a pressing plate located above the upper mold.

[0016] In the present invention, it is possible to realize the curing and forming of a propeller with winglets at the wingtips. Moreover, by using the cooperation of the inclined pressing block and the slider, automatic alignment can be achieved during mold closing, effectively ensuring the product quality and offsetting the lateral force of the traditional mold at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 FIG. is a schematic structural diagram of a carbon fiber propeller winglet mold in the mold-closed state proposed by the invention;

[0018] Figure 2 FIG. is a schematic structural diagram of a carbon fiber propeller winglet mold in the mold-open state proposed by the invention. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] Hereinafter, the technical solutions of the present invention will be described in detail through specific embodiments.

[0020] As Figure 1-2 shown, Figure 1 FIG. is a schematic structural diagram of a carbon fiber propeller winglet mold in the mold-closed state proposed by the invention; Figure 2 FIG. is a schematic structural diagram of a carbon fiber propeller winglet mold in the mold-open state proposed by the invention.

[0021] Referring to Figure 1-2 , a carbon fiber propeller winglet mold proposed by the present invention includes: a lower mold 1 and an upper mold 2 located above the lower mold 1, wherein:

[0022] The lower mold 1 has a lower mold cavity 1. One end of the lower mold 1 located in the lower mold cavity is provided with a slider 3 that can linearly slide in the direction of the lower mold cavity. The side surface of the slider 3 away from the lower mold cavity is an inclined surface with a negative slope. The upper mold 2 has an upper mold cavity, which includes a main mold cavity and a secondary mold cavity. The main mold cavity is located on the end surface of the upper mold 2 opposite to the lower mold 1, and the secondary mold cavity is located on the side wall of the upper mold 2 and is connected to the main mold cavity. Above the slider 3 on the upper mold 2 is provided an inclined pressure block 4 with an inclined surface. The inclined pressure block 4 includes a base portion, a connecting portion integrally formed with the base portion on one side, and an inclined block portion. The connecting portion is fixed to the upper mold 2, and the inclined surface of the inclined block portion faces the connecting portion and has an expected spacing therebetween to form a guiding groove for the slider 3 to enter. In the closed mold state, the upper mold cavity and the lower mold cavity cooperate with each other to form a cavity. The slider 3 is located in the guiding groove, and the inclined surface of the slider 3 fits with the inclined surface of the inclined pressure block 4. The side surface of the slider 3 close to the lower mold cavity faces the secondary mold cavity and fits with the side wall of the upper mold 2 to constitute a part of the inner wall of the cavity. During curing, the main body part of the propeller A is located between the main cavity and the lower mold cavity, and the winglets at the wingtips are located in the secondary mold cavity.

[0023] As can be seen from the above, the present invention can realize the curing and molding of a propeller with winglets at the wingtips, and the cooperation of the inclined pressure block 4 and the slider 3 can automatically align during mold closing, and can effectively ensure the product quality and offset the lateral force of the traditional mold at the same time.

[0024] In this embodiment, the inclined pressure block 4 is detachably assembled with the upper mold 2 by bolts, and a positioning pin is provided on the inclined pressure block 4 for convenient disassembly, assembly and positioning.

[0025] In this embodiment, the inclined pressure block 4 is fixed above the upper mold 2. On the upper mold 2 and on one side of the inclined pressure block 4, there is a cushion block 5 opposite to the inclined pressure block 4. For the convenience of disassembly and assembly of the cushion block 5, the cushion block 5 is detachably assembled with the upper mold 2 by bolts. In addition, a positioning pin is provided on the cushion block 5 for convenient positioning.

[0026] In this embodiment, it further includes a pressing plate 6 located above the upper mold 2. During mold closing, the pressing plate 6 is used for pressing.

[0027] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. A carbon fiber propeller winglet mold, characterized in that, Comprising: A lower die (1) and an upper die (2) located above the lower die (1), wherein: The lower die (1) has a lower die cavity, and a slider (3) that can linearly slide in the direction of the lower die cavity is provided at one end of the lower die cavity on the lower die (1), and the side surface of the slider (3) away from the lower die cavity is an inclined surface with a negative slope; The upper die (2) has an upper die cavity, and the upper die cavity includes a main die cavity opposite to the lower die (1) and an auxiliary die cavity located on the side wall of the upper die (2) and connected to the main die cavity; an inclined pressure block (4) with an inclined surface is provided above the slider (3) on the upper die (2); In the mold closing state, the upper die cavity and the lower die cavity cooperate with each other to form a cavity, the inclined surface of the slider (3) fits with the inclined surface of the inclined pressure block (4), and the side surface of the slider (3) close to the lower die cavity is opposite to the auxiliary die cavity and fits with the side wall of the upper die (2) to form a part of the inner wall of the cavity.

2. The carbon fiber propeller winglet mold according to claim 1, characterized in that, The inclined pressure block (4) includes a base part, a connecting part and an inclined block part that are integrally formed on one side of the base part, the connecting part is fixed to the upper die (2), and the inclined surface of the inclined block part is opposite to the connecting part and there is an expected spacing between them to form a guiding groove for the slider (3) to enter; in the mold closing state, the slider (3) is located in the guiding groove.

3. The carbon fiber propeller winglet mold according to claim 1, characterized in that, The inclined pressure block (4) is detachably assembled with the upper die (2) by bolts.

4. The carbon fiber propeller winglet mold according to claim 1, characterized in that, The inclined pressure block (4) is fixed above the upper die (2).

5. The carbon fiber propeller winglet mold according to claim 4, characterized in that, A cushion block (5) opposite to the inclined pressure block (4) is provided on the upper die (2) and on one side of the inclined pressure block (4).

6. The carbon fiber propeller winglet mold according to claim 5, characterized in that, The cushion block (5) is detachably assembled with the upper die (2) by bolts.

7. The carbon fiber propeller winglet mold according to any one of claims 1-6, characterized in that, It further includes a pressing plate (6) located above the upper die (2).

Citation Information

Patent Citations

  • Carbon fiber propeller winglet die

    CN213593689U