U-shaped closed-angle stringer stiffened wallboard co-curing forming mold and forming method

Abstract

The invention discloses a U-shaped closed-angle stringer stiffened wallboard co-curing forming mold and a forming method. The forming mold comprises a mold body and a rigid U-shaped closed-angle stringer forming sliding block. The rigid U-shaped closed-angle stringer forming sliding block is divided into a U-shaped closed-angle stringer forming sliding block body and an insert. An inverted L-shaped unfilled corner is arranged on one side of the molded surface of the main body of the U-shaped closed-angle stringer molding slide block along the length direction; the cross section of the insert is approximately trapezoidal and is matched with the inverted L-shaped unfilled corner to form a molded surface of the U-shaped closed-angle stringer; the insert comprises a first mold closing surface and a second mold closing surface, the first mold closing surface is an inclined surface, the second mold closing surface is connected with the U-shaped closed-angle stringer forming sliding block main body, and the second mold closing surface is higher than a web plate of the U-shaped closed-angle stringer. A rigid U-shaped closed-angle stringer forming sliding block is divided into blocks, and a demolding method is combined, so that the technical difficulty of difficult demolding caused by a closed-angle structure of a U-shaped closed-angle stringer is solved; and the deformation risk of manufacturing the slender sliding block is reduced, and the mold manufacturing difficulty and the mold manufacturing cost are reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of aviation composite material structure design and manufacturing, and in particular to a co-curing molding die and a molding method for a U-shaped closed-angle long-stringer reinforced wall panel. Background Art

[0002] Advanced composite materials are widely used in aerospace due to their numerous advantages, including light weight, high strength, fatigue resistance, and corrosion resistance. Long-string reinforced panels are a common structural form in aerospace structures, and composite materials are gradually being adopted to achieve the goal of lightweighting. In existing technologies, long-string reinforced panels generally include T-type long-string reinforced panel structures and U-type long-string reinforced panel structures. Compared with the T-type long-string reinforced panel structure, the U-type long-string reinforced panel structure has a larger bonding area with the skin structure, which can significantly improve the bonding quality and effectively avoid the problem of the entire panel structure being affected by the debonding of the long stringer.

[0003] Currently, U-shaped stringer reinforced wall panels typically use a co-curing molding process for the U-shaped stringers and the wall panel skin. First, the wall panel skin sheet is laid on the wall panel skin mold, and the U-shaped stringer sheet is laid on the U-shaped stringer forming slider. Next, the U-shaped stringer forming slider needs to be flipped using a flip tool. The U-shaped stringer slider is then positioned and assembled on the wall panel skin mold. Finally, the entire structure is bagged and co-cured. However, for U-shaped stringer reinforced wall panels with hyperbolic characteristics (i.e., in the coordinate system, the U-shaped stringer reinforced wall panels are curved in both the X and Y directions), and to ensure structural strength, the webs of the U-shaped stringers are generally set normal to the wall panel. Therefore, a closed angle is easily formed between the two webs of the U-shaped stringers. When using the co-curing molding process for this type of U-shaped closed-angle long girder reinforced wall panel with hyperbolic characteristics, the following technical problems will arise: (1) It is difficult to demould the molding slider of the U-shaped closed-angle long girder with hyperbolic characteristics; (2) After the sheet is laid on the U-shaped long girder molding slider, when the flipping tool is used to flip it, the flipping process is relatively complicated, and the sheet (prepreg) is prone to fiber slippage and distortion. Summary of the Invention

[0004] The purpose of the present invention is to provide a U-shaped closed-angle long girder reinforced wall panel co-curing molding mold and molding method. The molding mold and molding method can solve the difficulty of demolding the U-shaped closed-angle long girder molding slider in the co-curing molding process of the U-shaped closed-angle long girder reinforced wall panel. In addition, it also simplifies the flipping structure of the U-shaped closed-angle long girder molding slider, reduces the difficulty and cost of mold manufacturing, and simplifies the molding process.

[0005] To achieve the above object, the present invention adopts the following technical solutions: A co-curing forming mold for a U-shaped closed-angle long truss reinforced wall panel, comprising: The mold body is a rigid U-shaped closed-angle long stringer forming slider; The mold body is provided with a molding surface for forming a double-curved skin panel; The rigid U-shaped closed-angle long girder forming slider includes a U-shaped closed-angle long girder forming slider body and an insert; a "Г"-shaped notch is provided on one side of the profile of the U-shaped closed-angle long girder forming slider body along the length direction; the cross-section of the insert is approximately trapezoidal, which fits with the "Г"-shaped notch of the U-shaped closed-angle long girder forming slider body to form the profile of the U-shaped closed-angle long girder; the insert includes a first mating surface and a second mating surface; the first mating surface is an inclined surface; the second mating surface is connected and installed with the U-shaped closed-angle long girder forming slider body; the second mating surface of the insert is higher than the web height of the U-shaped closed-angle long girder.

[0006] In another embodiment, an oblong through hole is provided on the U-shaped closed-angle long truss forming slider body, and the length direction of the oblong through hole is the same as the width direction of the U-shaped closed-angle long truss forming slider body. A bolt hole is provided on the second mold surface of the insert, which cooperates with the oblong through hole on the U-shaped closed-angle long truss forming slider body, and the U-shaped closed-angle long truss forming slider body and the insert are locked by bolts.

[0007] In another embodiment, a plurality of positioning grooves are provided on the second die surface of the insert, and a plurality of positioning bosses are provided on the surface of the U-shaped closed-angle long stringer forming slider body that cooperates with the second die surface of the insert, which cooperate with the positioning grooves.

[0008] In another embodiment, the insert is divided into several sections along the length direction.

[0009] In another embodiment, U-shaped closed-angle long truss forming slider positioning blocks are provided on both ends of the mold body; positioning jaws are provided on both sides of the end position of the rigid U-shaped closed-angle long truss forming slider, which cooperate with two adjacent U-shaped closed-angle long truss forming slider positioning blocks for positioning.

[0010] In another embodiment, universal rotating rings are further provided at both ends of the U-shaped closed-angle long stringer forming slider body.

[0011] In another embodiment, the U-shaped closed-angle long girder reinforced wall panel co-curing forming mold further includes a flexible U-shaped closed-angle long girder forming slider.

[0012] In another embodiment, the rigid U-shaped closed-angle long stringer forming slider and the flexible U-shaped closed-angle long stringer forming slider are arranged at intervals on the mold body.

[0013] Secondly, a method for co-curing molding of U-shaped closed-angle long truss reinforced wall panels is provided. The method adopts the co-curing molding mold described above. The molding method includes demolding, specifically including: first removing the connection between the auxiliary materials and the rigid U-shaped closed-angle long truss molding slider and the mold body, then loosening the connection between the U-shaped closed-angle long truss molding slider body and the insert, and then moving the U-shaped closed-angle long truss molding slider body alone in the normal direction to separate it from the insert and the mold surface, and then moving the insert horizontally along the width direction toward the U-shaped closed-angle long truss molding slider body, and the first mold surface is close to the U-shaped closed-angle long truss molding slider body, so that the overall width of the U-shaped closed-angle long truss molding slider is smaller than the minimum opening width of the U-shaped closed-angle long truss, and finally it is successfully taken out.

[0014] The loosening of the connection between the U-shaped closed-angle long girder slider body and the insert described in the present invention can mean that the connection between the U-shaped closed-angle long girder slider body and the insert is completely released, and the two can be completely separated without being restricted by other structures; or it can mean that the U-shaped closed-angle long girder slider body and the insert are still connected, and cannot be completely separated without being restricted by other structures, but can move relative to each other. When the connection between the U-shaped closed-angle long girder slider body and the insert is completely released, the U-shaped closed-angle long girder slider body and the insert can be removed in sequence; when the U-shaped closed-angle long girder slider body and the insert are still connected, the U-shaped closed-angle long girder slider body and the insert can be removed normally as a whole at once.

[0015] In another embodiment, the co-curing molding method of the U-shaped closed-angle long-truss reinforced wall panel comprises the steps of: S1. Mold preparation; S2. Paving the sheet: Pave the sheet on the mold body and the rigid U-shaped closed-angle long stringer forming slider surface according to the layer design; S3. Flip the rigid U-shaped closed-angle long stringer forming slider with the sheet laid on it, and then install and fix it on the mold body through the positioning structure according to the interval of the U-shaped closed-angle long stringer forming position; S4. At the position of the U-shaped closed-angle stringer where the rigid U-shaped closed-angle stringer forming slider is not placed, a material sheet is laid along the profile of the U-shaped closed-angle stringer, and then unvulcanized silicone rubber is laid to fill it or the flexible U-shaped closed-angle stringer forming slider is clamped in, wherein the silicone rubber filling height is higher than the height of the stringer web; S5, bagging and vacuuming; S6, heating and curing; S7. Demolding.

[0016] The beneficial effects of the present invention are as follows: by dividing the U-shaped closed-angle long truss forming slider into a slider body and an insert, combined with the demoulding method of the present invention, the technical difficulty of demoulding the U-shaped closed-angle long truss structure is solved; at the same time, the insert is divided into multiple sections, which reduces the risk of manufacturing deformation of the slender strip blocks, and reduces the difficulty and cost of mold manufacturing; by arranging universal rotating lifting rings at both ends of the rigid U-shaped closed-angle long truss forming slider, it is convenient to lift and flip, reduce the investment in flipping tooling, reduce the investment cost of mold tooling, and reduce the fiber slip and distortion caused by flipping tooling; the U-shaped closed-angle long truss forming slider can adopt an incomplete disassembly and mold closing method, which reduces the manpower and time required for disassembly and mold closing, and improves production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Attachment Figure 1 This is a schematic diagram of the three-dimensional structure of the U-shaped closed-angle long girder reinforced wall panel structure; Attachment Figure 2 This is the exploded view of the U-shaped closed-angle long girder reinforced wall panel structure; Attachment Figure 3 This is a schematic diagram of the three-dimensional structure of the mold of the present invention; Attachment Figure 4 This is a top view of the mold structure of the present invention; Attachment Figure 5 This is an exploded view of the mold structure of the present invention; Attachment Figure 6 It is a partial schematic diagram of the BB section of the mold structure of the present invention; Attachment Figure 7 This is an enlarged view of part A of the mold structure of the present invention; Attachment Figure 8 EE is a schematic cross-sectional view of the mold structure of the present invention; Attachment Figure 9 This is a schematic diagram of the three-dimensional structure of a rigid U-shaped closed-angle long stringer forming slider; Attachment Figure 10 It is a top view of the rigid U-shaped closed-angle long girder forming slider structure; Attachment Figure 11 This is an exploded top view of a rigid U-shaped closed-angle long girder forming slider; Attachment Figure 12 This is an exploded view of the rigid U-shaped closed-angle long girder forming slider from above; Attachment Figure 13 The CC section diagram of the rigid U-shaped closed-angle long stringer forming slider; Attachment Figure 14 DD cross-section diagram of the rigid U-shaped closed-angle long stringer forming slider; Attachment Figure 15 Schematic diagram of the cooperation between the rigid U-shaped closed-angle long stringer slider and the flexible U-shaped closed-angle long stringer slider; Attachment Figure 16 Schematic diagram of the demoulding principle of the rigid U-shaped closed-angle long stringer forming slider; Among them: 1-skin wall panel; 2-U-shaped closed-angle long girder; 3-mold body; 31-profile of hyperbolic skin wall panel; 32-U-shaped closed-angle long girder forming slider positioning block; 4-rigid U-shaped closed-angle long girder forming slider; 41-U-shaped closed-angle long girder forming slider body; 411-positioning boss; 412-oblong through hole; 413-universal rotating lifting ring; 414-thimble hole; 42-insert; 421-first mold surface; 422-second mold surface; 423-positioning groove; 424-bolt hole; 5-flexible U-shaped closed-angle long girder forming slider; 6-fastening bolt. DETAILED DESCRIPTION

[0018] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0019] In the description of the present invention, it should be noted that the terms "length," "width," "up," "down," "front," "back," "left," "right," "inside," and "outside" and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate and simplify the description of the present invention. They are not intended to indicate or imply that the devices or components referred to must have, be constructed, or operate in a specific orientation, and therefore should not be construed as limitations on the present invention. In the description of the present invention, "several" means two or more, unless otherwise expressly and specifically defined.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium.

[0021] like Figure 1 and Figure 2As shown, a structural schematic diagram of a U-shaped closed-angle girder reinforced wall panel with hyperbolic characteristics is shown, which includes a skin wall panel 1 and a plurality of U-shaped closed-angle girder 2 arranged in parallel on the skin wall panel, and an L-shaped girder arranged in parallel with the U-shaped closed-angle girder on the side of the skin. The skin wall panel has a curved structure in both the X and Y directions in the coordinate system. The bottom plate of the U-shaped closed-angle girder 2 is connected to the skin wall panel, and the webs of the U-shaped closed-angle girder 2 and the L-shaped girder are arranged along the normal direction of the skin wall panel 1. Therefore, a closed angle is easily formed between adjacent webs of the U-shaped closed-angle girder 2, that is, the opening (distance) between adjacent webs narrows from the side of the skin wall panel to the side away from the skin wall panel. When this type of structure adopts the prepreg co-curing molding process, the U-shaped closed-angle long girder molding slider will be difficult to demold. In addition, due to the structural design limitations of the U-shaped closed-angle long girder molding slider, it is necessary to use a flip tool to flip it and close the mold with the mold body after the prepreg sheets are laid. This process will cause the prepreg sheets to slip and twist, affecting the appearance quality of the wall panel after the product is formed, and the manufacturing cost of the mold tooling of the product is high.

[0022] Example 1

[0023] For the above structure, taking a U-shaped closed-angle long truss reinforced wall panel with a forming outer dimension of approximately 4035 mm, a width of approximately 2500 mm, and a minimum distance between the two webs of the U-shaped closed-angle long truss 2 of 190 mm as an example, a U-shaped closed-angle long truss reinforced wall panel co-curing molding mold and molding method are provided.

[0024] A co-curing forming mold for a U-shaped closed angle long truss reinforced wall panel, such as Figures 3 to 14 , including: a mold body 3, a rigid U-shaped closed-angle long stringer forming slider 4; the mold body 3 is provided with a molding surface 31 for forming a hyperbolic skin wall panel; the rigid U-shaped closed-angle long stringer forming slider 4 includes a U-shaped closed-angle long stringer forming slider body 41 and an insert 42; a "Г"-shaped notch is provided on one side of the molding surface of the U-shaped closed-angle long stringer forming slider body 41 along the length direction; the insert 42 has an approximately trapezoidal cross section, which fits with the "Г"-shaped notch of the U-shaped closed-angle long stringer forming slider body 41, and the whole forms the molding surface of the U-shaped closed-angle long stringer 2; the insert 42 includes a first mating surface 421 and a second mating surface 422, the first mating surface 421 is an inclined surface, and the second mating surface 422 is connected and installed with the U-shaped closed-angle long stringer forming slider body 41, and the second mating surface 422 is higher than the height of the web of the U-shaped closed-angle long stringer 2.

[0025] The U-shaped closed-angle long stringer forming slider body 41 is provided with an oblong through hole 412, and the length direction of the oblong through hole 412 is the width direction of the U-shaped closed-angle long stringer forming slider body 41; the second mold surface 422 of the insert 42 is provided with a bolt hole 424, which cooperates with the oblong through hole 412 on the U-shaped closed-angle long stringer forming slider body 41, and the U-shaped closed-angle long stringer forming slider body 41 and the insert 42 are locked by tightening the bolt 6.

[0026] A positioning groove 423 is provided on the second mold surface 422 of the insert 42 , and a positioning boss 411 is provided on the surface of the U-shaped closed-angle long stringer forming slider body 41 that cooperates with the second mold surface 422 of the insert 42 , and cooperates with the positioning groove 423 .

[0027] The insert 42 can be a whole piece, or divided into multiple pieces along the length direction. Figure 11 and 12 As shown, it is divided into three sections, each section is provided with bolt holes 424 and positioning grooves 423. After the insert 42 is segmented in length, deformation of the elongated strip insert can be prevented and the surface processing accuracy is guaranteed.

[0028] like Figure 5 and Figure 7 As shown, U-shaped closed-angle long girder forming slider positioning blocks 32 are provided on both ends of the mold body 3. In order to facilitate mold manufacturing and processing and consider costs, the U-shaped closed-angle long girder forming slider positioning blocks 32 are formed separately and then installed on the mold body 3 by fastening bolts or pins; positioning jaws are provided on both sides of the end position of the rigid U-shaped closed-angle long girder forming slider 4, which cooperate with two adjacent U-shaped closed-angle long girder forming slider positioning blocks 32 for positioning.

[0029] like Figure 9 As shown, both ends of the rigid U-shaped closed angle long girder forming slider 4 are further provided with universal rotating rings 413. The universal rotating rings 413 can facilitate the lifting and turning of the rigid U-shaped closed angle long girder forming slider 4, reducing the investment in turning tooling.

[0030] like Figure 10 As shown, the rigid U-shaped relatively long stringer forming slider 4 is further provided with an ejector hole 414, which can be specifically a bolt hole, and then the bolt is tightened or loosened to perform ejection or resetting.

[0031] Example 2

[0032] For the forming of U-shaped closed-angle girder reinforced wall panels, on the one hand, it is necessary to play a dimensional role for the U-shaped closed-angle girder 2 during the curing process, and on the other hand, to ensure the position accuracy of the U-shaped girder. At the same time, in order to ensure the internal damage-free requirements of the U-shaped girder reinforced wall panels and ensure that all parts of the reinforced wall panels can receive the maximum forming pressure, rigid U-shaped closed-angle girder forming sliders are set at intervals. Then, by utilizing the large expansion capacity of unvulcanized silicone rubber or flexible U-shaped closed-angle girder forming sliders and the ability of the soft silicone rubber mold to fit the inner cavity of the U-shaped girder, as well as the soft texture of the silicone rubber mold, which can be easily removed from the inside of the U-shaped closed-angle girder, unvulcanized silicone rubber is filled between the two parts of the metal girder sliders or a flexible U-shaped closed-angle girder forming slider is inserted to ensure the position accuracy and forming quality of the U-shaped closed-angle girder.

[0033] Therefore, if Figure 15 As shown, the U-shaped closed angle long stringer reinforced wall panel co-curing forming mold further includes a flexible U-shaped closed angle long stringer forming slider 5. The rigid U-shaped closed angle long stringer forming slider 4 and the flexible U-shaped closed angle long stringer forming slider 5 are arranged at intervals on the mold body.

[0034] Example 3

[0035] Based on the above-mentioned U-shaped closed-angle long truss reinforced wall panel co-curing molding mold, a U-shaped closed-angle long truss reinforced wall panel co-curing molding method is also provided, including the steps of: S1, mold preparation; including the assembly of the rigid U-shaped closed angle long truss forming slider 4, and the combined rigid U-shaped closed angle long truss forming slider 4 is flipped through the universal rotating rings 413 at both ends so that the mold surface faces upward, and then placed on the paving workbench; S2, sheet laying; according to the layer design, the sheet is laid on the mold body 3 and the rigid U-shaped closed angle long stringer forming slider 4; after every three layers are laid, a hot press pre-vacuum is performed to ensure that the gas inside the layer is completely discharged; S3. Flip the rigid U-shaped closed-angle long girder forming slider 4 with the sheet laid on it through the universal rotating rings 413 at both ends, so that the profile faces the profile of the mold body 3. Then, by using the positioning jaws and the positioning blocks 32 of the U-shaped closed-angle long girder forming slider to position the rigid U-shaped closed-angle long girder forming slider 4, the rigid U-shaped closed-angle long girder forming slider 4 is fixed to the mold body 3 at intervals. S4. At the position of the U-shaped closed-angle girder where the rigid U-shaped closed-angle girder forming slider 4 is not placed, lay a sheet of material along the profile of the U-shaped closed-angle girder, and then lay an isolation film and soft unvulcanized silicone rubber for filling. The silicone rubber filling height is higher than the web height of the U-shaped closed-angle girder; when laying the sheet of material, as in step S2, hot pressing and pre-vacuuming are required after every three layers of laying; S5, bagging and vacuuming; including laying isolation film, breathable felt, vacuum bag in sequence, and then vacuuming and packaging; S6, heating and curing; placing the packaged qualified mold into an autoclave for heating and curing; S7, demoulding; the specific demoulding steps include: S71. First, remove the vacuum bag, breathable felt, silicone rubber or flexible U-shaped closed-angle long stringer forming slider 5, isolation film, etc. in sequence; S72, releasing the connection between the U-shaped closed-angle long stringer forming slider 4 and the mold body 3; S73. Demolding of the rigid U-shaped closed-angle long girder forming slider 4 specifically includes: loosening the thread of the fastening bolt 6 by 7-9mm in length to loosen the connection between the U-shaped closed-angle long girder forming slider body 41 and the insert 42; then, by tightening the bolt set in the ejector pin hole, the U-shaped closed-angle long girder forming slider body is moved about 10mm in the normal direction to separate from the mold surface of the insert; then, the insert 4 is moved horizontally along the width direction toward the U-shaped closed-angle long girder forming slider body, so that the first mold surface is close to the U-shaped closed-angle long girder forming slider body, so that the overall width of the rigid U-shaped closed-angle long girder forming slider is smaller than the minimum opening width of the U-shaped closed-angle long girder, so that the rigid U-shaped closed-angle long girder forming slider as a whole can be smoothly demolded along the normal direction of the wall panel. The principle of this demolding process can be referred to. Figure 16 .

[0036] In this embodiment, during the demoulding process of the rigid U-shaped closed-angle long girder forming slider, the U-shaped closed-angle long girder forming slider and the insert are demoulded as a whole while remaining connected. When the next mold is used, it is only necessary to tighten the previously loosened fastening bolts again, and pull the insert back to the position before sliding through the tiger's mouth positioning and the boss guide and fix it, and then it can be used directly, which reduces the time and labor costs of re-moving and flipping the installation after the blocks are disassembled, improves the efficiency of mold use, and simplifies complex work.

[0037] Example 4

[0038] In step S4 of embodiment 3, the filled soft unvulcanized silicone rubber forms a silicone rubber strip after curing, having a U-shaped closed-angle long stringer profile, and becomes a flexible U-shaped closed-angle long stringer forming slider 5 directly for use in the next mold.

[0039] Therefore, the difference between this embodiment and embodiment 3 is that in step S4, the flexible U-shaped closed-angle long girder forming slider 5 cured and formed in embodiment 3 can be directly laid after laying the material sheet at the position of the U-shaped closed-angle long girder where the rigid U-shaped closed-angle long girder forming slider 4 is not placed.

[0040] It will be clear to those skilled in the art that many modifications and variations of the present invention may be made without departing from its spirit and scope. The specific embodiments described herein are provided by way of example only and are not intended to be limiting in any way. The true scope and spirit of the present invention are shown by the appended claims, and the description and examples are merely exemplary.

Claims

1. A co-curing forming mold for a U-shaped closed-angle long truss reinforced wall panel, comprising a mold body and a rigid U-shaped closed-angle long truss forming slider; characterized in that: The mold body is provided with a molding surface for forming a hyperbolic skin wall panel; the rigid U-shaped closed-angle long girder molding slider includes a U-shaped closed-angle long girder molding slider body and an insert; a "Г"-shaped notch is provided on one side of the molding surface of the U-shaped closed-angle long girder molding slider body along the length direction; the cross-section of the insert is approximately trapezoidal, which fits with the "Г"-shaped notch of the U-shaped closed-angle long girder molding slider body, and the whole constitutes the molding surface of the U-shaped closed-angle long girder; the insert includes a first mating surface and a second mating surface; the first mating surface is an inclined surface; the second mating surface is connected and installed with the U-shaped closed-angle long girder molding slider body; the second mating surface of the insert is higher than the height of the web of the U-shaped closed-angle long girder.

2. A co-curing forming mold for a U-shaped closed-angle long-beam reinforced wall panel according to claim 1, characterized in that: An oblong through hole is provided in the thickness direction of the U-shaped closed-angle long stringer forming slider body, and the length direction of the oblong through hole is the width direction of the U-shaped closed-angle long stringer slider body; a bolt hole is provided on the second mold surface of the insert, which cooperates with the oblong through hole, and the U-shaped closed-angle long stringer forming slider body and the insert are locked by tightening the bolts.

3. The co-curing forming mold for a U-shaped closed-angle long truss reinforced wall panel according to claim 1, characterized in that: A plurality of positioning grooves are provided on the second die surface of the insert, and a plurality of positioning bosses are provided on the surface of the U-shaped closed-angle long stringer forming slider body that matches the second die surface of the insert, and match the positioning grooves.

4. The co-curing forming mold for a U-shaped closed-angle long truss reinforced wall panel according to claim 1, characterized in that: The insert is divided into several sections along the length direction.

5. The co-curing forming mold for a U-shaped closed-angle long truss reinforced wall panel according to claim 1, characterized in that: Both ends of the mold body are provided with U-shaped closed-angle long stringer forming slider positioning blocks, and positioning jaws are provided on both sides of the end position of the rigid U-shaped closed-angle long stringer forming slider, which cooperate with two adjacent U-shaped closed-angle long stringer forming slider positioning blocks for positioning.

6. The co-curing forming mold for a U-shaped closed-angle long-beam reinforced wall panel according to claim 1, characterized in that: Universal rotating rings are also provided at both ends of the U-shaped closed-angle long girder forming slider body.

7. The co-curing forming mold for a U-shaped closed-angle long-beam reinforced wall panel according to claim 1, characterized in that: Also included are flexible U-shaped closed-angle stringer molding slides.

8. The co-curing forming mold for a U-shaped closed-angle long-beam reinforced wall panel according to claim 7, characterized in that: The rigid U-shaped closed-angle long stringer forming sliders and the flexible U-shaped closed-angle long stringer forming sliders are arranged at intervals on the mold body.

9. A co-curing molding method for a U-shaped closed-angle long-truss reinforced wall panel, based on the co-curing molding mold according to any one of claims 1 to 8, characterized in that Demolding includes: first removing auxiliary materials and releasing the connection between the rigid U-shaped closed-angle long truss forming slider and the mold body, then loosening the connection between the U-shaped closed-angle long truss forming slider body and the insert, and then moving the U-shaped closed-angle long truss forming slider body alone in the normal direction to separate it from the insert and the mold surface, and then moving the insert horizontally along the width direction toward the U-shaped closed-angle long truss forming slider body, and the first mold surface is close to the U-shaped closed-angle long truss forming slider body, so that the overall width of the rigid U-shaped closed-angle long truss forming slider is smaller than the minimum opening width of the U-shaped closed-angle long truss, and finally it is successfully taken out.

10. A co-curing molding method for a U-shaped closed-angle long-truss reinforced wall panel according to claim 9, characterized in that: Including steps: S1. Mold preparation; S2. Paving the sheet: Paving the sheet on the mold body and the mold surface of the rigid U-shaped closed-angle long stringer forming slider according to the layer design; S3. Flip the rigid U-shaped closed-angle long stringer forming slider with the material sheet laid on it so that the laying surface faces the laying surface of the mold body, and then install and fix it on the mold body with the positioning structure in accordance with the forming position of the U-shaped closed-angle long stringer; S4. Laying a sheet of material along the profile of the U-shaped closed-angle girder at a position where no U-shaped closed-angle girder forming slider is placed; then laying unvulcanized silicone rubber for filling or inserting the flexible U-shaped closed-angle girder forming slider; the silicone rubber filling height is higher than the web height of the U-shaped closed-angle girder; S5, bagging and vacuuming; S6, heating and curing; S7. Demolding.

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