Shape maintaining tool for carbon fiber frame

Abstract

The utility model belongs to the technical field of carbon fiber frames for aerospace, and relates to a shape maintaining tool for a carbon fiber frame, which comprises a support rod and an abutting piece, the abutting piece is connected with the supporting rod, and the abutting piece and the supporting rod are both arranged on a side plate to be perforated of the carbon fiber frame; the shape maintaining tool is used for maintaining the shape of the carbon fiber frame when the carbon fiber frame is drilled; the abutting pieces and the supporting rods are arranged on the to-be-drilled side plates of the carbon fiber frame, the abutting pieces and the supporting rods both support the to-be-drilled side plates of the carbon fiber frame, deformation of the to-be-drilled side plates of the carbon fiber frame during drilling is avoided, shape maintenance of the carbon fiber frame is achieved, and then the accuracy of hole positions is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of carbon fiber frames for aerospace, and in particular to a shape-preserving tooling for carbon fiber frames. Background Art

[0002] Hole-making technology, as a key link in the connection and assembly process, has a vital impact on the overall performance and precision of the product. At present, hole-making technology covers a variety of mature processes such as mechanical drilling, laser processing, water jet cutting and CNC punching. Mechanical drilling has the characteristics of high equipment penetration rate and low processing cost; laser processing technology has the advantages of non-contact processing, high precision and high flexibility; water jet cutting technology uses high-pressure water flow to carry abrasive particles for processing; CNC punching technology uses automated control systems for efficient and accurate batch production.

[0003] Carbon fiber materials have excellent light weight and high strength properties, and they play an important role in aerospace, automobile manufacturing, and high-performance structural parts. Due to the particularity of carbon fiber materials, carbon fiber frames have significant anisotropy, that is, there are significant differences in mechanical properties in different directions; at the same time, the interlayer strength of carbon fiber frames is low, and local damage operations can easily lead to interlayer peeling or delamination.

[0004] Due to the anisotropy of the carbon fiber frame and the large difference in interlayer strength, the carbon fiber frame is prone to deformation when making holes on the carbon fiber frame, making it difficult to ensure the accuracy of the hole positions. Utility Model Content

[0005] In order to solve the technical problem in the background technology that the carbon fiber frame is easily deformed and it is difficult to ensure the accuracy of the hole position when making holes on the carbon fiber frame, the utility model provides a shape-preserving tool for the carbon fiber frame.

[0006] The utility model is used for a shape-preserving tooling for a carbon fiber frame. A clamping piece and a support rod are arranged on a side plate of the carbon fiber frame to be holed. The clamping piece and the support rod both support the side plate of the carbon fiber frame to be holed, thereby preventing the side plate of the carbon fiber frame to be holed from being deformed when making holes, thereby achieving shape preservation of the carbon fiber frame and further ensuring the accuracy of the hole position.

[0007] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0008] A shape-retaining tool for a carbon fiber frame, comprising a support rod and a fastening piece; the fastening piece is connected to the support rod, and the fastening piece and the support rod are both arranged on a side plate of the carbon fiber frame to be holed; the shape-retaining tool is used to retain the shape of the carbon fiber frame when holes are being made.

[0009] In a specific possible implementation mode, a plurality of the abutting members are provided; the plurality of the abutting members are distributed along the length direction of the support rod, and each abutting member is connected to the side plate to be holed of the carbon fiber frame and the support rod.

[0010] In a specific possible implementation manner, the plurality of abutting members are evenly distributed along the length direction of the support rod.

[0011] In a specific possible implementation manner, the abutment member is a right-angle bracket.

[0012] In a specific possible implementation scheme, the support rod includes a support section and an installation section connected to both ends of the support section; the support section is pressed against the side plate of the carbon fiber frame to be holed, and the pressing piece is connected to the support section; the installation section is connected to the side plate of the carbon fiber frame to be holed.

[0013] In a specific possible implementation scheme, the installation section is provided with an avoidance groove.

[0014] In a specific possible implementation mode, the shape-preserving tooling is provided in two groups, one group is provided on the inner wall of the side plate of the carbon fiber frame to be holed, and the other group is provided on the outer wall of the side plate of the carbon fiber frame to be holed.

[0015] In a specific possible implementation manner, the top of the side plate to be perforated of the carbon fiber frame is configured as a flange structure.

[0016] In a specific possible implementation manner, a mounting groove for the heat pipe to pass through is provided on the top of the side plate to be perforated of the carbon fiber frame.

[0017] In a specific possible implementation manner, a plurality of the installation grooves are provided, and the plurality of the installation grooves are distributed along the length direction of the side plate to be holed of the carbon fiber frame.

[0018] In summary, the utility model includes the following beneficial technical effects:

[0019] 1. The utility model is used for a shape-preserving tooling for a carbon fiber frame. A clamping piece and a support rod are arranged on the side plate of the carbon fiber frame to be holed. The clamping piece and the support rod both support the side plate of the carbon fiber frame to be holed, thereby avoiding deformation of the side plate of the carbon fiber frame to be holed when making holes, achieving shape preservation of the carbon fiber frame, and further ensuring the accuracy of the hole position.

[0020] 2. The utility model is used for a shape-retaining tooling for a carbon fiber frame. The support rod is provided with a support section and an installation section connected to both ends of the support section. The support section bears the supporting force. The installation section ensures the overall stability of the shape-retaining tooling by connecting the side plate of the carbon fiber frame to be made with holes, so that the shape-retaining tooling can disperse the pressure when subjected to force, thereby reducing damage or deformation of the shape-retaining tooling due to excessive local force.

[0021] 3. The utility model is used for the shape retaining tooling of the carbon fiber frame, and is provided with two groups of shape retaining tooling, one group is arranged on the inner wall of the side plate of the carbon fiber frame to be holed, and the other group is arranged on the outer wall of the side plate of the carbon fiber frame to be holed, so that the two sides of the side plate of the carbon fiber frame to be holed are subjected to force, further improving the stability of the side plate of the carbon fiber frame to be holed, and avoiding deformation of the side plate of the carbon fiber frame to be holed when making holes. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 The utility model is a schematic diagram of the overall structure of a shape-retaining tooling for a carbon fiber frame.

[0023] Figure 2 yes Figure 1 Enlarged view of part A in the middle.

[0024] Figure 3 It is a partial structural schematic diagram of the utility model for a shape-retaining tooling for a carbon fiber frame, and is intended to illustrate a support rod.

[0025] Explanation of the reference numerals: 1. Support rod; 11. Support section; 12. Mounting section; 13. Avoidance groove; 2. Fastening member; 3. Carbon fiber frame; 31. Mounting groove. DETAILED DESCRIPTION

[0026] The technical solution of the present invention is further explained below in conjunction with the accompanying drawings and embodiments, but the present invention is not limited to the implementation methods described below.

[0027] Reference Figure 1 A shape-preserving tool for a carbon fiber frame comprises a support rod 1 and a fastening member 2. The fastening member 2 is connected to the support rod 1, and both the fastening member 2 and the support rod 1 are arranged on a side plate of a carbon fiber frame 3 to be made with a hole; the shape-preserving tool is used to preserve the shape of the carbon fiber frame 3 when making holes.

[0028] In the utility model, the operator sets a clamping member 2 and a support rod 1 on the side plate of the carbon fiber frame 3 to be holed, and the clamping member 2 and the support rod 1 both support the side plate of the carbon fiber frame 3 to be holed, so as to avoid deformation of the side plate of the carbon fiber frame 3 to be holed when making holes, thereby maintaining the shape of the carbon fiber frame 3 and ensuring the accuracy of the hole position.

[0029] Reference Figure 1, a plurality of the clamping members 2 are provided. The plurality of clamping members 2 are distributed along the length direction of the support rod 1, and each of the clamping members 2 is connected to the side plate of the carbon fiber frame 3 to be made with holes. In the utility model, the clamping members 2 can be set to four, five, or six, and any setting method in which a suitable number of clamping members 2 are provided to support the side plate of the carbon fiber frame 3 to be made with holes is possible. Specifically, in the utility model, the clamping members 2 can be right-angle brackets, arc-shaped pressure plates, V-shaped clamp blocks, etc., and any setting method in which the clamping members 2 are set to be pressed against the side plate of the carbon fiber frame 3 to be made with holes is possible.

[0030] Reference Figure 1 and Figure 2 The support rod 1 includes a mounting section 12 connected to both ends of the support section 11. The support section 11 and the mounting section 12 are arranged in a Z shape, that is, the mounting section 12 is higher than the support section 11 to form an avoidance groove 13 for installing the abutting member 2; the support section 11 is abutted against the side plate of the carbon fiber frame 3 to be made with a hole, and the abutting member 2 is connected to the support section 11; the mounting section 12 is connected to the side plate of the carbon fiber frame 3 to be made with a hole.

[0031] Reference Figure 2 and Figure 3 The installation section 12 is provided with an avoidance groove 13. The avoidance groove 13 is conveniently used as an auxiliary positioning point when the support rod 1 is installed or removed, thereby improving the accuracy of the installation position of the support rod 1. At the same time, the avoidance groove 13 provides additional space for the access and operation of tools.

[0032] Embodiment 1:

[0033] Reference Figure 1 This embodiment is used for the shape-preserving tooling of the carbon fiber frame. Six fastening members 2 are provided. The six fastening members 2 are distributed along the length direction of the support rod 1. The six fastening members 2 are all connected to the side plate of the carbon fiber frame 3 to be made with holes.

[0034] Embodiment 2:

[0035] Reference Figure 1 This embodiment is a shape-retaining tooling for a carbon fiber frame. Based on Embodiment 1, six abutments are evenly distributed along the length direction of the support rod 1, so that the side panels of the carbon fiber frame 3 to be made with holes are evenly stressed, reducing damage or deformation of the shape-retaining tooling due to excessive local stress.

[0036] Embodiment 3:

[0037] Reference Figure 1 This embodiment is used for a shape-retaining tooling for a carbon fiber frame. Based on the embodiment 2, the fastening member 2 is a right-angle bracket.

[0038] The right-angle bracket is designed with a precise 90-degree angle to stably connect the support rod 1 with the side plate of the carbon fiber frame 3 to be drilled, thereby preventing the carbon fiber frame 3 from being deformed during the drilling process.

[0039] Embodiment 4:

[0040] Reference Figure 1 This embodiment is used for a shape-retaining tooling for a carbon fiber frame. Based on Embodiment 3, two groups of shape-retaining tooling are provided, one group is provided on the inner wall of the side plate of the carbon fiber frame 3 to be holed, and the other group is provided on the outer wall of the side plate of the carbon fiber frame 3 to be holed.

[0041] Two groups of shape-retaining tooling are set up, one group is set on the inner wall of the side plate to be holed of the carbon fiber frame 3, and the other group is set on the outer wall of the side plate to be holed of the carbon fiber frame 3, so that the two sides of the side plate to be holed of the carbon fiber frame 3 are subjected to force, further improving the stability of the side plate to be holed of the carbon fiber frame 3, and avoiding deformation of the side plate to be holed of the carbon fiber frame 3 when making holes.

[0042] Embodiment 5:

[0043] Reference Figure 1 This embodiment is used for a shape-retaining tooling for a carbon fiber frame. On the basis of Embodiment 4, the top of the side plate to be made holes of the carbon fiber frame 3 is set as a flange structure.

[0044] In the present embodiment, the top of the side plate to be holed of the carbon fiber frame 3 is set as a flange structure, and the flange structure forms a reinforcement layer of a certain thickness at the top edge of the side plate to be holed of the carbon fiber frame 3, thereby increasing the support area of ​​the side plate to be holed of the carbon fiber frame 3 and helping to disperse the stress and impact force generated during the hole making process, thereby reducing the deformation and damage risk of the side plate to be holed of the carbon fiber frame 3.

[0045] Embodiment 6:

[0046] Reference Figure 1 and Figure 2 This embodiment is used for a shape-preserving tooling for a carbon fiber frame. Based on Embodiment 5, a mounting groove 31 for a heat pipe to pass through is provided on the top of the side plate of the carbon fiber frame 3 to be made with holes. The heat pipe refers to a heat pipe that transfers heat inside the carbon fiber frame 3.

[0047] The carbon fiber frame 3 may generate a large amount of heat during long-term operation or under high-load conditions. If it cannot be dissipated in time, the temperature inside the frame will rise, thereby generating thermal stress. In this embodiment, the design of the mounting groove 31 and the heat pipe facilitates timely reduction of the temperature gradient inside the carbon fiber frame 3, reduces the generation of thermal stress, and thus enhances the structural reliability and durability of the carbon fiber frame 3.

[0048] Embodiment 7:

[0049] Reference Figure 1 and Figure 2 This embodiment is used for a shape-preserving tooling for a carbon fiber frame. Based on Embodiment 1, a plurality of mounting grooves 31 are provided, and the plurality of mounting grooves 31 are distributed along the length direction of the side plate of the carbon fiber frame 3 to be made with holes.

[0050] In this embodiment, the number of the mounting slots 31 is not limited, and any arrangement method in which a suitable number of mounting slots 31 are provided to mount a required number of heat pipes is acceptable.

[0051] The working principle of the shape-retaining tooling for a carbon fiber frame of the utility model is as follows: first, the supporting section 11 is pressed against the side plate of the carbon fiber frame 3 to be made with a hole, and the mounting section 12 is connected to the side plate of the carbon fiber frame 3 to be made with a hole; then, one end of the pressing member 2 is connected to the supporting rod 1, and the other end of the pressing member 2 is connected to the side plate of the carbon fiber frame 3 to be made with a hole, so that the pressing member 2 and the supporting rod 1 both support the side plate of the carbon fiber frame 3 to be made with a hole.

[0052] The above are all preferred embodiments of the present utility model, and are not intended to limit the protection scope of the present utility model. Therefore, any equivalent changes made based on the structure, shape, and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A shape-retaining tool for a carbon fiber frame, characterized in that: It comprises a support rod (1) and a fastening member (2); The abutting piece (2) is connected to the support rod (1), and the abutting piece (2) and the support rod (1) are both arranged on the side plate of the carbon fiber frame (3) where holes are to be made; The shape-preserving tool is used for preserving the shape of the carbon fiber frame (3) when making holes in the carbon fiber frame (3).

2. The shape retaining tooling for a carbon fiber frame according to claim 1, characterized in that: The abutting member (2) is provided in plurality; The plurality of abutting members (2) are distributed along the length direction of the support rod (1), and each abutting member (2) is connected to the side plate to be holed of the carbon fiber frame (3) and the support rod (1).

3. The shape retaining tool for a carbon fiber frame according to claim 2, characterized in that: The plurality of abutting members (2) are evenly distributed along the length direction of the support rod (1).

4. The shape retaining tool for a carbon fiber frame according to claim 3, characterized in that: The abutting member (2) is a right-angle bracket.

5. The shape retaining tool for a carbon fiber frame according to claim 1, characterized in that: The support rod (1) comprises a support section (11) and a mounting section (12) connected to both ends of the support section (11); The support section (11) is pressed against the side plate of the carbon fiber frame (3) to be made with holes, and the pressing member (2) is connected to the support section (11); The mounting section (12) is connected to the side plate of the carbon fiber frame (3) to be made with holes.

6. The shape retaining tool for a carbon fiber frame according to claim 5, characterized in that: The installation section (12) is provided with an avoidance groove (13).

7. The shape retaining tool for a carbon fiber frame according to any one of claims 1 to 6, characterized in that: The shape-preserving tooling is provided in two groups, one group being arranged on the inner wall of the side plate of the carbon fiber frame (3) to be holed, and the other group being arranged on the outer wall of the side plate of the carbon fiber frame (3) to be holed.

8. The shape retaining tool for a carbon fiber frame according to claim 1, characterized in that: The top of the side plate to be holed of the carbon fiber frame (3) is arranged as a flange structure.

9. The shape retaining tool for a carbon fiber frame according to claim 8, characterized in that: A mounting groove (31) for the heat pipe to pass through is provided on the top of the side plate to be made with holes of the carbon fiber frame (3).

10. The shape retaining tool for a carbon fiber frame according to claim 9, characterized in that: A plurality of the installation grooves (31) are provided, and the plurality of the installation grooves (31) are distributed along the length direction of the side plate to be holed of the carbon fiber frame (3).

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