Carbon fiber antenna surface forming device and process

Abstract

The present invention belongs to the field of aerospace technology, and specifically discloses a carbon fiber antenna surface forming device and process, and provides a carbon fiber antenna surface forming device, including a mold body with a spherical structure, which is divided into a front concave surface and a back convex surface, and the back is provided with a large annular flange and a small flange ring coaxial with the spherical center axis of the mold body, and the large annular flange is arranged on the edge of the outer edge side of the mold, and the small flange ring is detachably arranged in the small flange mounting groove between the edge and the vertex of the mold; mounting references are evenly arranged between the large annular flange and the small annular flange, and the mounting references are used to install the detachable flange edge, one end of the flange edge contacts the small flange ring and the other end contacts the large annular flange, and a paving area is formed between two adjacent flange edges, and the paving area includes the same number of first and second areas; the device solves the problem that it is difficult to achieve high surface precision requirements due to large-caliber, petal-assembled reflecting surfaces.

Description

Technical Field

[0001] The present invention belongs to the field of aerospace technology, and in particular relates to a carbon fiber antenna surface forming device and process. Background Art

[0002] With the rapid development of aerospace technology, the performance requirements for antenna reflectors are becoming increasingly stringent. Traditional metal materials, due to their heavy weight, high thermal expansion coefficient, and easy deformation, are no longer able to meet the lightweight, high-precision, and high-stability requirements of modern spacecraft antennas. Carbon fiber composites, with their high specific strength, high specific stiffness, low thermal expansion coefficient, and strong designability, are becoming an ideal material for antenna reflector manufacturing.

[0003] Carbon fiber antenna surface forming technology involves multiple fields, including materials science, composite materials processing, and precision manufacturing. Its core lies in precisely shaping carbon fiber prepreg into antenna reflectors with complex curved shapes and high-precision profiles through rational layup, mold design, and curing processes. This technology not only ensures the antenna surface's electromagnetic performance, such as high gain and low standing wave ratio, but also ensures dimensional stability and surface accuracy in the extreme environments of space.

[0004] Early carbon fiber antenna surfaces were primarily formed using traditional processes such as autoclave molding and compression molding. However, these processes suffer from issues such as high equipment dependence, sensitivity to process parameters, high mold costs, and long production cycles. Especially for large or complex antenna surfaces, traditional processes are prone to warping, deformation, and insufficient surface precision, making them difficult to meet the demands of high-end equipment manufacturing.

[0005] In order to solve the above problems, a carbon fiber antenna surface forming device and process are proposed to solve the problem that large-diameter, split-petal assembled reflective surfaces are difficult to achieve high surface precision requirements. Summary of the Invention

[0006] The purpose of the present invention is to provide a carbon fiber antenna surface forming device and process to solve the problems raised in the above background technology.

[0007] In order to solve the above technical problems, the present invention provides the following technical solutions: a carbon fiber antenna surface forming process, a carbon fiber antenna surface forming device, including a mold body with a spherical structure, divided into a front concave surface and a back convex surface,

[0008] The back side is provided with a large annular flange and a small flange ring coaxial with the spherical central axis of the mold body, and the large annular flange is arranged on the edge of the outer edge of the mold, and the small flange ring is detachably arranged in the small flange mounting groove between the edge and the vertex of the mold; mounting bases are evenly arranged between the large annular flange and the small annular flange, and the mounting bases are used to mount the detachable flange edge, one end of the flange edge contacts the small flange ring and the other end contacts the large annular flange, and a paving area is formed between two adjacent flange edges, and the paving area includes the same number of first areas and second areas, and any first area is flanked by second areas;

[0009] The back surface is paved with antenna surface paving lines and a positioning hole 1 is opened in the center, and reinforcing rib paving lines are evenly engraved between the positioning hole 1 and the small flange mounting groove;

[0010] The process comprises:

[0011] Step S1: Clean the mold body and prepare strip-shaped carbon fiber epoxy prepreg;

[0012] Step S2: forming the center plate of the antenna surface on the mold body according to the small flange installation groove and the reinforcing rib paving line position;

[0013] Step S3: The antenna surface formed in step S2 is sealed with a bag film, heated at 80°C for 1 hour and at 120°C for 2 hours, and then cured in an oven;

[0014] Step S4: After disassembling the bag film, removing the small flange ring, and cleaning the formed antenna surface;

[0015] Step S5: installing a flange edge on the installation base to form a paving area and laying a release cloth on the first area to form a five-sided closed structure 1;

[0016] Step S6: Paving the antenna surface within the first area along the paving lines and forming locking points;

[0017] Step S7: removing the flange edge and cleaning the formed antenna surface through the locking point;

[0018] Step S8: Laying a circle of release cloth on the second area to form a five-sided closed structure II together with the antenna surface petals formed in step S6;

[0019] Step S9: paving the antenna surface in the second area along the paving lines;

[0020] Step S10: removing the locking points and demoulding the antenna surface into petals.

[0021] The present invention further states that the reinforcement rib paving lines are arranged in a circular array with the first positioning hole as the center; the reinforcement rib paving lines and the antenna surface paving lines have the same width, and the installation reference corresponds to the position of the reinforcement rib paving lines;

[0022] A plate surface is formed between two adjacent installation bases. The eight plate surfaces are spliced ​​into a ring shape and are numbered 1-8 in sequence. Eight positioning holes 2 are provided on the plate surface, four of which are located at the vertices of the plate surface, and the remaining four are located between the adjacent vertex positioning holes 2, forming a trapezoidal layout.

[0023] The present invention further states that the antenna surface paving lines are provided on the back side of the mold body except for the large annular flange, the first positioning hole and the reinforcing rib paving lines.

[0024] The present invention further illustrates that step S1 specifically: the thickness of the carbon fiber epoxy prepreg is 0.40mm-0.45mm and is cut into strips, and the width of the strip carbon fiber epoxy prepreg is consistent with the width of the reinforcement paving line.

[0025] The present invention further illustrates that step S2 specifically: inserting the center positioning block into the positioning hole one to ensure that a center hole is formed in the center of the antenna surface and positioning the antenna surface, installing a small flange ring on the small flange mounting groove, laying the strip of the carbon fiber epoxy prepreg on the antenna surface laying mark line located in the small flange ring to form the center disk with the center hole in the center, laying the strip of the carbon fiber epoxy prepreg on the reinforcement paving mark line to form the center disk reinforcement rib on the center disk.

[0026] The present invention further illustrates that step S5 specifically: installing the flange edge along the installation reference, one end of the flange edge is fitted with the large annular flange, and the other end is fitted with the outer diameter of the center disk. After the installation is completed, the two adjacent flange edges form a paving area, and the paving area corresponds to the position of the plate surface, wherein the plate surfaces numbered 2, 4, 6, and 8 correspond to the first area, and a release cloth is laid on the first area to form a five-sided closed structure one. The five-sided closed structure one is: the top is positioned by the outer diameter of the center disk, the two sides are positioned by the flange edge, the bottom is positioned by the mold body, and the lower part is positioned by the large annular flange.

[0027] The present invention further illustrates that step S6 specifically:

[0028] The strip-shaped carbon fiber epoxy prepreg is laid according to the antenna surface laying score line located in the first area, and the antenna surface petals are formed in the first area. The step S3 is performed again to solidify the antenna surface. After solidification, the eight positioning holes 2 are used to connect the antenna surface petals with the bolts to form locking points.

[0029] The present invention further describes that step S8 specifically: the panel surfaces numbered 1, 3, 5, and 7 correspond to the second paving area, a release cloth is laid on the second paving area to form a five-sided closed structure 2, and the five-sided closed structure 2 is: the top is positioned by the outer diameter of the center disk, the two sides are positioned by the antenna surface petals, the bottom is positioned by the mold body, and the lower part is positioned by the large annular flange.

[0030] The present invention further describes that step S10 specifically: remove the locking point where the second positioning hole is bolted to the antenna surface petal, form a connecting hole at the original locking point, and demold the antenna surface petal as a whole by tearing off the demolding cloth. After the demolding is completed, install a buckle on the connecting hole, and the buckle connects the antenna surface petals to form the antenna surface as a whole.

[0031] The present invention further describes that the fixation of the buckle is released to separate the antenna surface lobes and the center disk, and the antenna surface lobes and the center disk are polished and sprayed. After the spraying is completed, they are assembled again on the mold body to verify and test the appearance, weight, and surface accuracy.

[0032] Compared with the prior art, the present invention has the following beneficial effects:

[0033] The mold body adopts a monolithic spherical design, with its backside integrated with antenna surface paving markings, a large annular flange, positioning hole 1, a small flange mounting slot, reinforcement rib paving markings, mounting datums, and panel surface positioning holes. This design not only enables precise guidance for carbon fiber paving but also directly limits the antenna surface diameter through the large annular flange, ensuring consistent build dimensions and avoiding the tedious multiple calibrations required with traditional molds.

[0034] The precise positioning of the center hole of the antenna surface is achieved through the cooperation between positioning hole 1 and the center positioning block; at the same time, the circular array design of the small flange mounting groove and the reinforcement rib paving lines ensures the uniform distribution of the center disk reinforcement ribs, thereby improving the structural strength and electromagnetic performance stability of the antenna surface.

[0035] The flange and release fabric create a five-sided closed structure (one / two) that precisely defines the paving area. This structure utilizes the outer diameter of the center plate, the flange, the mold body, and the large annular flange to achieve multi-dimensional positioning, keeping the paving area dimensional tolerance within ±0.5mm and significantly improving the edge warping problem that is common with traditional open paving.

[0036] By directly molding the antenna surface on the back of the mold body, the problem of errors caused by traditional antenna surface petal molding, resulting in poor adaptability of the antenna surface splicing and low structural strength of the antenna surface, is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0038] Figure 1 Schematic diagram of the overall structure of the mold body according to an embodiment of the present invention;

[0039] Figure 2 This is a schematic structural diagram of step S2 of an embodiment of the present invention;

[0040] Figure 3 This is a schematic structural diagram of step S3 of an embodiment of the present invention;

[0041] Figure 4 2 is a schematic structural diagram of step S4 of an embodiment of the present invention;

[0042] Figure 5 2 is a schematic structural diagram of step S4 of an embodiment of the present invention;

[0043] Figure 6 2 is a schematic structural diagram of step S5 of an embodiment of the present invention;

[0044] Figure 7 This is a schematic structural diagram of step S6 of an embodiment of the present invention;

[0045] Figure 8 2 is a schematic structural diagram of step S7 of an embodiment of the present invention;

[0046] Figure 9 This is a schematic structural diagram of step S9 of an embodiment of the present invention;

[0047] Figure 10 This is a schematic structural diagram of step S10 of an embodiment of the present invention;

[0048] In the figure: 1. Mold body; 101. Large annular flange; 102. Positioning hole 1; 103. Small flange mounting groove; 104. Reinforcement rib paving line; 105. Antenna surface paving line; 106. Plate surface; 107. Positioning hole 2; 108. Installation reference; 109. Center positioning block; 110. Small flange ring; 111. Flange edge; 112. Paving area; 113. Antenna surface petals; 2. Antenna surface; 201. Center disk; 202. Center hole; 203. Center disk reinforcement rib; 204. Connecting hole. DETAILED DESCRIPTION

[0049] The following is a non-limiting detailed description of the technical solutions of the present invention in conjunction with preferred embodiments and the accompanying drawings. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without inventive effort are also within the scope of protection of the present invention.

[0050] See also Figure 1-10 , an embodiment of the present invention provides a technical solution: a carbon fiber antenna surface forming device, comprising a mold body 1 and an antenna surface 2, wherein the mold body 1 is a spherical structure as a whole;

[0051] The mold body 1 and the antenna surface 2 are divided into a front side and a back side, the front side is a concave side, and the back side is a convex side. An antenna surface paving score line 105 is provided on the back side of the mold body 1. The antenna surface paving score line 105 is used for paving carbon fibers along the antenna surface paving score line 105 when forming the antenna surface.

[0052] A large annular flange 101 is fixed on the outer diameter of the mold body 1, and the large annular flange 101 is used to limit the diameter of the carbon fiber antenna surface to be processed;

[0053] A positioning hole 102 is provided at the center of the back of the mold body 1. The positioning hole 102 is used to position the carbon fiber antenna surface to be processed. A small flange mounting groove 103 is provided on the back of the mold body 1. The small flange mounting groove 103 is annular and coaxial with the positioning hole 102 and is located outside the positioning hole 102.

[0054] Eight reinforcing rib paving lines 104 are provided between the positioning hole 102 and the small flange mounting groove 103. The reinforcing rib paving lines 104 are arranged in a circle around the center of the positioning hole 102.

[0055] The small flange mounting groove 103 and the large annular flange 101 are provided with eight mounting references 108 , and the mounting references 108 correspond to the positions of the reinforcement rib laying lines 104 .

[0056] A plate surface 106 is formed between two adjacent mounting bases 108. The eight plate surfaces 106 are sequentially spliced ​​into a ring and are marked with numbers 1-8 in sequence. Figure 1The plate surface 106 indicated by the figure mark is numbered 1 and is numbered in a clockwise direction. Eight positioning holes 107 are provided on the plate surface 106. Positioning holes 107 are respectively provided at the four vertices of the plate surface 106. The positioning holes 107 are slightly biased toward the center of the plate surface 106. Based on the above four positions of the positioning holes 107, a positioning hole 107 is provided at the center of two adjacent positioning holes 107. The eight positioning holes form a trapezoidal structure, thereby improving the positioning accuracy of the plate surface 106.

[0057] It should be supplemented that: in addition to the large annular flange 101 , the positioning hole 102 and the reinforcing rib paving mark 104 , the back side of the mold body 1 is also provided with the antenna surface paving mark 105 .

[0058] The antenna surface 2 formed by the mold body 1 has the same size as the mold body 1. The antenna surface 2 includes a center disk 201, which is located at the center of the end surface of the antenna surface 2. The center disk 201 includes a center hole 202 and a center disk reinforcement rib 203. The center hole 202 passes through the center of the end surface of the antenna surface 2. The center disk 201 is coaxial with the center hole 202 and is located at the outer diameter of the center hole 202.

[0059] It should be noted that: the center disk 201 is positioned based on the small flange mounting groove 103, the center hole 202 is the same size as the positioning hole 102, and the center disk reinforcement rib 203 is positioned based on the reinforcement rib paving line 104.

[0060] A molding process of a carbon fiber antenna surface molding device:

[0061] Step S1: Clean the mold body 1 and prepare carbon fiber epoxy prepreg T700.

[0062] Specifically, the carbon fiber epoxy prepreg T700 has a thickness of 0.40 mm to 0.45 mm and is cut into strips. The width of the carbon fiber epoxy prepreg T700 strips is consistent with the width of the reinforcement rib laying score line 104 .

[0063] Through step S1, state A is obtained, see Figure 2 .

[0064] Step S2: According to the position of the small flange mounting groove 103 and the reinforcing rib paving mark 104, the center plate 201 of the antenna surface 2 is formed on the mold body 1.

[0065] Specifically: insert the center positioning block 109 into the positioning hole 102 to ensure that the center hole 202 is formed and the antenna surface 2 is positioned, install the small flange ring 110 on the small flange mounting groove 103, lay the strip of the carbon fiber epoxy prepreg T700 on the antenna surface paving mark 105 located in the small flange ring 110 to form the center disk 201, and lay the strip of the carbon fiber epoxy prepreg T700 on the reinforcement paving mark 104 to form the center disk reinforcement 203.

[0066] Through step S2, state B is obtained, see Figure 3 .

[0067] Step S3: The antenna surface formed in step S2 is sealed with a bag film, heated at 80°C for 1 hour and at 120°C for 2 hours, and cured in an oven.

[0068] Specifically, the bag film is made of a high-temperature-resistant, transparent material. It is placed over the formed antenna surface 2 and sealed around the edges with a sealant to ensure a sealed space within the bag. Ventilation holes are provided on the surface of the bag film, through which the interior of the bag film is evacuated. The vents are then sealed and heated at 80°C for one hour or 120°C for two hours. After heating, the mold body 1 and the formed antenna surface 2 are placed in an oven for curing.

[0069] Through step S3, the state C is obtained. Figure 4 .

[0070] Step S4: After disassembling the bag film, remove the small flange ring 110, clean the formed antenna surface 2 to ensure the accuracy of subsequent forming of the antenna surface, and after cleaning, fill the original forming area of ​​the small flange ring 110 with the strip of carbon fiber epoxy prepreg T700.

[0071] Through step S4, the state D is obtained. Figure 5 .

[0072] Step S5: installing the flange edge 111 on the installation base 108 and laying a circle of release cloth to form a five-sided closed structure 1;

[0073] Specifically: the flange edge 111 is installed along the installation reference 108, one end of the flange edge 111 is in contact with the large annular flange 101, and the other end is in contact with the outer diameter of the center disk 201. After the installation is completed, the two adjacent flange edges 111 form a paving area 112, and the paving area 112 corresponds to the position of the plate surface 106, wherein the plate surfaces 106 numbered 2, 4, 6, and 8 correspond to the first paving areas, and a release cloth is laid on the first paving area to form a five-sided closed structure 1. The five-sided closed structure 1 is: the top is positioned by the outer diameter of the center disk 201, the two sides are positioned by the flange edge 111, the bottom is positioned by the mold body 1, and the lower part is positioned by the large annular flange 101.

[0074] Through step S5, the state E is obtained. Figure 6 .

[0075] Step S6: Pave the antenna surface paving mark 105 located in the first area of ​​the paving area 112.

[0076] Specifically: the strip-shaped carbon fiber epoxy prepreg T700 is paved according to the antenna surface paving mark line 105 located in the first area of ​​the paving area 112, and the antenna surface petal 113 is formed in the first area of ​​the paving area 112, and the step S3 is performed again to solidify the antenna surface 2. After solidification, it is bolted to the antenna surface petal 113 through the eight positioning holes 2 107 to form a locking point.

[0077] Through step S6, the state F is obtained, see Figure 7 .

[0078] Step S7: After disassembling the bag film, remove the flange edge 111 and clean the formed antenna surface 2 to ensure the accuracy of subsequent forming of the antenna surface;

[0079] Through step S7, the state G is obtained. Figure 8 .

[0080] Step S8: Lay a circle of release cloth on the second area of ​​the paving area 112 to form a five-sided closed structure 2.

[0081] Specifically: the plate surfaces 106 numbered 1, 3, 5, and 7 correspond to the second paving area, and the release cloth is paved on the second area to form a five-sided closed structure 2. The five-sided closed structure 2 is: positioned on the top by the outer diameter of the center disk 201, positioned on both sides by the antenna surface petals 113, positioned on the bottom by the mold body 1, and positioned at the bottom by the large annular flange 101.

[0082] Step S9: Pave the antenna surface paving line 105 located in the second area of ​​the paving area 112.

[0083] Specifically: the strip-shaped carbon fiber epoxy prepreg T700 is paved according to the antenna surface paving score line 105 located in the second area of ​​the paving area 112, and the antenna surface petals 113 are formed in the second area of ​​the paving area 112, and the step S3 is performed again to solidify the antenna surface 2.

[0084] Through steps S8 and S9, the state H is obtained. Figure 9 .

[0085] Step S10: removing the locking points and demoulding the antenna surface into petals.

[0086] Specifically, the locking point where the positioning hole 2 107 is bolted to the antenna surface petal 113 is removed, and a connecting hole 204 is formed at the original locking point. The antenna surface petal 113 is demolded as a whole by tearing off the demoulding cloth. After the demoulding is completed, a buckle is installed on the connecting hole 204, and the buckle connects the antenna surface petals 113 to form the antenna surface 2 as a whole.

[0087] Step S11: Separate the antenna surface petals 113 and the center disk 201 by releasing the fixation of the buckle, and polish and spray the antenna surface petals 113 and the center disk 201. After spraying, assemble them again on the mold body 1 to verify and test the appearance, weight, and surface accuracy.

[0088] Through steps S10 and S11, state I is obtained. Figure 10 .

[0089] It should be noted that: when the antenna surface 2 is deformed due to long-term use and collision, the accuracy of the antenna surface 2 is reduced. The antenna surface 2 is calibrated through the positioning hole 2 107 and the connecting hole 204 and bolted to the back of the mold body 1 again. The antenna surface 2 is restored for the second time by fine-machining the deformed part of the antenna surface 2.

[0090] In the description of the present invention, it should be understood that the terms "up", "down", "front", "back", "left", "right", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only used to facilitate the description of the present invention, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0091] Finally, it should be noted that the above embodiments are intended only to illustrate the technical solutions of the present invention and are not intended to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will appreciate that modifications may be made to the technical solutions described in the aforementioned embodiments, or that some of the technical features may be replaced with equivalents. Such modifications or replacements do not deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A carbon fiber antenna surface forming process, characterized by: A carbon fiber antenna surface forming device is provided, comprising a mold body with a spherical structure, which is divided into a front concave surface and a back convex surface. The back side is provided with a large annular flange and a small flange ring coaxial with the spherical central axis of the mold body, and the large annular flange is arranged on the edge of the outer edge of the mold, and the small flange ring is detachably arranged in the small flange mounting groove between the edge and the vertex of the mold; mounting bases are evenly arranged between the large annular flange and the small annular flange, and the mounting bases are used to mount the detachable flange edge, one end of the flange edge contacts the small flange ring and the other end contacts the large annular flange, and a paving area is formed between two adjacent flange edges, and the paving area includes the same number of first areas and second areas, and any first area is flanked by second areas; The back surface is paved with antenna surface paving lines and a positioning hole 1 is opened in the center, and reinforcing rib paving lines are evenly engraved between the positioning hole 1 and the small flange mounting groove; The process comprises: Step S1: Clean the mold body and prepare strip-shaped carbon fiber epoxy prepreg; Step S2: forming the center plate of the antenna surface on the mold body according to the small flange installation groove and the reinforcing rib paving line position; Step S3: The antenna surface formed in step S2 is sealed with a bag film, heated at 80°C for 1 hour and at 120°C for 2 hours, and then cured in an oven; Step S4: After disassembling the bag film, removing the small flange ring, and cleaning the formed antenna surface; Step S5: installing a flange edge on the installation base to form a paving area and laying a release cloth on the first area to form a five-sided closed structure 1; Step S6: Paving the antenna surface within the first area along the paving lines and forming locking points; Step S7: removing the flange edge and cleaning the formed antenna surface through the locking point; Step S8: Laying a circle of release cloth on the second area to form a five-sided closed structure II together with the antenna surface petals formed in step S6; Step S9: paving the antenna surface in the second area along the paving lines; Step S10: removing the locking points and demoulding the antenna surface into petals.

2. The carbon fiber antenna surface forming process according to claim 1, characterized in that: The reinforcement rib paving lines are arranged in a circular array with the positioning hole 1 as the center; the width of the reinforcement rib paving lines is consistent with the width of the antenna surface paving lines, and the installation reference corresponds to the position of the reinforcement rib paving lines; A plate surface is formed between two adjacent installation bases. The eight plate surfaces are spliced ​​into a ring shape and are numbered 1-8 in sequence. Eight positioning holes 2 are provided on the plate surface, four of which are located at the vertices of the plate surface, and the remaining four are located between the adjacent vertex positioning holes 2, forming a trapezoidal layout.

3. The carbon fiber antenna surface forming process according to claim 2, characterized in that: The antenna surface paving lines are provided on the back of the mold body except for the large annular flange, the first positioning hole and the reinforcing rib paving lines.

4. The carbon fiber antenna surface forming process according to claim 3, characterized in that: Specifically, step S1: the thickness of the carbon fiber epoxy prepreg is 0.40 mm to 0.45 mm and is cut into strips, and the width of the strip carbon fiber epoxy prepreg is consistent with the width of the reinforcement paving line.

5. The carbon fiber antenna surface forming process according to claim 4, characterized in that: Step S2 specifically: insert the center positioning block into the positioning hole 1 to ensure that a center hole is formed in the center of the antenna surface and position the antenna surface, install a small flange ring on the small flange mounting groove, lay the strip of carbon fiber epoxy prepreg on the antenna surface paving line located in the small flange ring to form the center disk with the center hole in the center, lay the strip of carbon fiber epoxy prepreg on the reinforcement paving line to form the center disk reinforcement rib on the center disk.

6. The carbon fiber antenna surface forming process according to claim 5, characterized in that: Step S5 specifically: install the flange edge along the installation reference, one end of the flange edge fits with the large annular flange, and the other end fits with the outer diameter of the center disk. After the installation is completed, the two adjacent flange edges form a paving area, and the paving area corresponds to the position of the plate surface, among which the plate surfaces numbered 2, 4, 6, and 8 correspond to the first area, and a release cloth is laid on the first area to form a five-sided closed structure 1. The five-sided closed structure 1 is: the top is positioned by the outer diameter of the center disk, the two sides are positioned by the flange edge, the bottom is positioned by the mold body, and the lower part is positioned by the large annular flange.

7. The carbon fiber antenna surface forming process according to claim 6, characterized in that: Step S6 specifically: The strip-shaped carbon fiber epoxy prepreg is laid according to the antenna surface laying score line located in the first area, and the antenna surface petals are formed in the first area. The step S3 is performed again to solidify the antenna surface. After solidification, the eight positioning holes 2 are used to connect the antenna surface petals with the bolts to form locking points.

8. The carbon fiber antenna surface forming process according to claim 7, characterized in that: Specifically, step S8: the panel surfaces numbered 1, 3, 5, and 7 correspond to the second area, a release cloth is laid on the second area to form a five-sided closed structure 2, and the five-sided closed structure 2 is: the top is positioned by the outer diameter of the center disk, the two sides are positioned by the antenna surface petals, the bottom is positioned by the mold body, and the lower part is positioned by the large annular flange.

9. The carbon fiber antenna surface forming process according to claim 8, characterized in that: Specifically, step S10: remove the locking point where the second positioning hole is bolted to the antenna surface petal, form a connecting hole at the original locking point, and demould the antenna surface petal as a whole by tearing off the demoulding cloth. After the demoulding is completed, install a buckle on the connecting hole, and the buckle connects the antenna surface petals to form the antenna surface as a whole.

10. The carbon fiber antenna surface forming process according to claim 9, characterized in that: Release the fixation of the buckle to separate the antenna surface petals and the center disk, and polish and spray the antenna surface petals and the center disk. After spraying, assemble them again on the mold body to verify and test the appearance, weight and surface accuracy.

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