A 2.5D conical rotating body preform automated weaving system and method

Abstract

The present invention discloses an automated weaving system and method for a 2.5D conical rotary preform, belonging to the field of textile weaving technology. The system includes a core column system, a yarn hanging system, and a jacquard head system; the core column system includes a core column, a core mold driving device, and a replaceable fabric core mold, and the core mold driving device is connected to the replaceable fabric core mold; the yarn hanging system includes a column, a yarn hanging platform, a heald frame sliding track, a circular heald frame, and multiple sets of yarn carriers, the yarn carriers are movably connected in the circular heald frame, and the yarn carriers are pulled in a circular motion in the circular heald frame by yarn; the jacquard head system includes a driving trolley and a jacquard head, the driving trolley is connected to the jacquard head, and the driving trolley is movably connected to the core column. The present invention can weave 2.5D rotary preforms with different shape requirements, realize the efficient production of multiple varieties and specifications of fabrics, and the fabric structure can be flexibly adjusted, significantly reducing the manufacturing cost of fiber preform products and improving the molding quality and production efficiency of rotary preforms.

Description

Technical Field

[0001] The invention relates to an automatic weaving system and method for a 2.5D conical rotating body preform, belonging to the technical field of textile weaving. Background Art

[0002] Advanced textile composites, with their high specific strength and modulus, are widely used in the aerospace sector. 2.5D woven composites, due to their excellent mechanical properties, flexible structural design, and overall near-net-shape capabilities, are the primary material for conical rotating components such as aerospace engine nozzles, radomes, and combustion chamber ducts.

[0003] Currently, there are two ways to prepare 2.5D conical rotor components. One is to prepare a flat piece through traditional 2.5D weaving technology, and then use a specific mold to compound it with a matrix to prepare a conical rotor. However, during the compounding process of this method, the preform will undergo deformations such as torsion and shearing, which will cause the material to have more initial defects and uneven distribution of yarns in the rotor component, resulting in unstable material properties. Another method is to improve the warp feeding mechanism and curling mechanism on the traditional 2.5D loom, weave the 2.5D conical rotor, and then compound it with the matrix to prepare the rotor component.

[0004] However, traditional 2.5D weaving technology uses automatic and semi-automatic methods, which are costly and have unstable product quality. Equipment modification requires a lot of manpower and material resources. In addition, due to the large number of warp yarns required for the 2.5D preform during the weaving process, it is easy to cause problems such as unclear opening and difficulty in controlling yarn tension. As a result, the weaving of 2.5D conical rotating body preforms is difficult and inefficient. Summary of the Invention

[0005] To address these issues, the present invention provides a system and method for automated weaving of 2.5D conical rotor preforms. Based on circular weaving technology, the system uses circumferential weft yarn introduction to bundle multiple layers of warp yarns together to form a conical rotor fabric. This effectively improves the production efficiency and formability of 2.5D conical rotor preforms, and enables the weaving of fabrics with variable structures.

[0006] The first object of the present invention is to provide an automated weaving system for a 2.5D conical rotary preform, comprising a core column system, a yarn hanging system and a jacquard head system;

[0007] The core column system includes a core column, a core mold driving device and a replaceable fabric core mold, wherein the core mold driving device is connected to the replaceable fabric core mold and is used to drive the replaceable fabric core mold to rotate;

[0008] The yarn hanging system includes a column, a yarn hanging platform, a heald frame sliding track, a circular heald frame and multiple groups of yarn carriers, the column is installed on the periphery of the core column, the yarn hanging platform is installed above the core column, the heald frame sliding track is fixedly installed on the column, a plurality of the circular heald frames are movably connected to the heald frame sliding track, the yarn carrier is movably connected in the circular heald frame, and the yarn carrier performs circular motion in the circular heald frame by yarn traction;

[0009] The jacquard head system includes a driving trolley and a jacquard head. The driving trolley is connected to the jacquard head and is movably connected to the core column. The driving trolley can move up and down along the core column.

[0010] In one embodiment of the present invention, the core mold driving device is installed in the core column, and the replaceable fabric core mold is installed at the end of the core column.

[0011] In one embodiment of the present invention, the circular heald frame is connected to a heald frame motor, and the heald frame motor is used to drive the circular heald frame to perform vertical lifting motion along the heald frame sliding track.

[0012] In one embodiment of the present invention, a tension frame is installed on the yarn carrier, and a fixed roller and a movable roller are installed on the tension frame. The fixed roller is in contact with the movable roller, and the movable roller is connected to a yarn winding motor, which is used to drive the movable roller to rotate.

[0013] In one embodiment of the present invention, the jacquard head system further includes a first driving arm and a second driving arm, the driving trolley is connected to the core column through a sliding bearing, one end of the first driving arm is rotatably connected to the driving trolley through a first driving arm motor, one end of the second driving arm is rotatably connected to the other end of the first driving arm through a second driving arm motor, and the jacquard head is rotatably connected to the other end of the second driving arm through the jacquard head motor.

[0014] In one embodiment of the present invention, the jacquard head includes a weft yarn detection device with a sensor, a fixed rail, a limit plate, a push rod, a weft insertion rod and a retractable yarn cutting knife, the limit plate is located at the end inside the jacquard head and is connected to the push rod, the push rod is connected to the weft insertion rod, the fixed rail is located at the front end of the weft insertion rod, the weft yarn detection device is installed above the fixed rail, and the retractable yarn cutting knife is installed at the front end inside the jacquard head.

[0015] In one embodiment of the present invention, the weft yarn detection device, the push rod, and the weft insertion rod are located at the same longitudinal cross-sectional position inside the jacquard head; and multiple groups of the weft yarn detection device, the push rod, and the weft insertion rod are installed at different positions of the cross-sectional area inside the jacquard head.

[0016] In one embodiment of the present invention, it also includes a control system, which is electrically connected to the core mold drive device, the heald frame motor, the yarn winding motor, the drive trolley, the first drive arm motor, the second drive arm motor, the jacquard head motor, the sensor of the weft yarn detection device and the retractable yarn cutting knife.

[0017] In one embodiment of the present invention, the heald frame motor is a linear motor.

[0018] A second object of the present invention is to provide a method for automatically weaving a 2.5D conical rotor preform, which uses the aforementioned automatic weaving system for a 2.5D conical rotor preform. The method comprises the following steps:

[0019] Step 1: Input the specifications of the replaceable fabric core mold and the fabric weaving parameters into the control system. According to the design requirements, the yarn is passed through the fixed roller and the movable roller on the yarn hanging platform and then through the yarn carrier and fixed to the bottom of the replaceable fabric core mold;

[0020] Step 2: Weaving is executed in the control system. The control system controls the core mold driving device to drive the replaceable fabric core mold to rotate, and the control system controls the heald frame motor to pull different circular heald frames to perform vertical lifting and lowering movements to control the fabric opening. At the same time, the control system controls the yarn winding motor to drive the movable roller to rotate to adjust the tension of each warp yarn and output the warp yarn during the lifting and lowering of the circular heald frames;

[0021] Step 3: After the opening is completed, the core mold driving device stops working, and the control system controls the driving trolley, the first driving arm motor, the second driving arm motor and the jacquard head motor to adjust the two jacquard heads to a certain diagonal position and corresponding to the corresponding weft insertion position. The propulsion rod inside the jacquard head pushes the weft insertion rod to the inside of the other jacquard head to complete one weft insertion, and the driving trolley controls the jacquard head to move downward to tighten the weft yarn;

[0022] Step 4: After the weft yarn is tightened, the weft insertion amount is determined by the weft yarn detection device, and the control system controls the retractable yarn cutting knife to cut the weft yarn, completing the weaving of one interlaced point; the control system controls the intermittent rotation of the core mold driving device, the movable roller adjusts the warp tension, the heald frame motor controls the lifting and lowering of the circular heald frame, the driving trolley, the first drive arm motor, the second drive arm motor and the jacquard head motor adjust the positions of the two jacquard heads, the weft yarn detection device displays the weft yarn status and completes the beating-up, the control system controls the retractable yarn cutting knife to cut the weft yarn, and the above movement is repeated to complete one weaving cycle of the fabric;

[0023] Step 5: Each system completes the weaving of the 2.5D conical rotating body preform according to the input weaving parameters achieved by this cyclic motion.

[0024] Beneficial effects

[0025] (1) The present invention configures a tension frame on each yarn carrier, and connects the control system to the winding motor on the tension frame to achieve real-time monitoring and control of the warp tension, significantly improving the quality of warp tension adjustment. Secondly, by operating the winding motor to control the warp feed amount through the control system, the problem of inconsistent warp elongation and difficulty in weaving when the fabric structure changes is solved.

[0026] (2) The present invention automates the weaving of 2.5D conical rotor preforms through a control system, thereby reducing the manual operation costs required for weft insertion and beating-up. Furthermore, the control system accurately monitors and controls the yarn hanging system and jacquard system, reducing adverse effects such as uneven yarn tension, yarn entanglement, and human error during the weaving process.

[0027] (3) The 2.5D conical rotating body preform automated weaving system of the present invention can weave 2.5D rotating body preforms with different shape requirements by replacing the core mold, thereby realizing the efficient production of multiple varieties and specifications of fabrics.

[0028] (4) The present invention realizes the automated weaving of 2.5D conical rotary preforms. The yarn carrier improves the warp tension adjustment quality, and the fabric structure can be flexibly adjusted, which greatly reduces the manufacturing cost of fiber preform products and improves the molding quality and production efficiency of rotary preforms. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 This is a schematic structural diagram of an automated weaving system for a 2.5D conical rotating preform of the present invention;

[0030] Figure 2 This is a structural diagram of the yarn hanging system of the present invention without the pillars;

[0031] Figure 3 It is a structural schematic diagram of the yarn carrier of the present invention;

[0032] Figure 4 Schematic diagram of the invention showing the lifting and lowering motion of different circular heald frames to complete fabric shedding;

[0033] Figure 5 It is a structural schematic diagram of the jacquard head system of the present invention;

[0034] Figure 6 It is a front view of the internal structure of the jacquard head of the present invention;

[0035] Figure 7 It is a side view of the internal structure of the jacquard head of the present invention;

[0036] Figure 8 It is a schematic diagram of the working principle of the control system of the present invention.

[0037] Among them: 1. core column; 2. core mold driving device; 3. replaceable fabric core mold; 4. column; 5. heald frame sliding track; 6. circular heald frame; 61. yarn carrier; 62. fixed roller; 63. movable roller; 64. tension frame; 7. driving trolley; 71. sliding bearing; 72. first driving arm; 73. second driving arm; 8. jacquard head; 81. weft yarn detection device; 82. fixed track; 83. limit plate; 84. push rod; 85. weft insertion rod; 86. retractable yarn cutting knife; 9. control system; 10. warp yarn; 11. fabric; 12. weft yarn; 13. yarn hanging platform. DETAILED DESCRIPTION

[0038] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0039] In the present invention, unless otherwise expressly specified or limited, the terms "connected," "connect," and "fixed" should be understood in a broad sense. For example, they may refer to fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; and internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on the specific circumstances.

[0040] In the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Furthermore, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0041] Example 1

[0042] like Figure 1-8 As shown, this embodiment provides a 2.5D conical rotating body preform automatic weaving system, including a core column system, a yarn hanging system, a jacquard head system and a control system 9 for monitoring and operating the entire weaving system.

[0043] Optionally, the core column system includes a core column 1, a core mold driving device 2 and a replaceable fabric core mold 3, the core mold driving device 2 is installed in the core column 1, the replaceable fabric core mold 3 is installed at the end of the core column 1, the core mold driving device 2 is connected to the replaceable fabric core mold 3, and the core mold driving device 2 is used to drive the replaceable fabric core mold 3 to rotate.

[0044] Optionally, the yarn hanging system includes a column 4, a yarn hanging platform 13, a heald frame sliding track 5, a circular heald frame 6 and multiple groups of yarn carriers 61, the column 4 is installed on the periphery of the core column 1, the yarn hanging platform 13 is installed above the core column 1, the heald frame sliding track 5 is fixedly installed on the column 4, the circular heald frame 6 is movably connected to the heald frame sliding track 5, the circular heald frame 6 is connected to a heald frame motor (not shown in the figure), and the heald frame motor is used to drive the circular heald frame 6 to perform vertical lifting movement along the heald frame sliding track 5. Optionally, the heald frame motor is a linear motor. Among them, multiple groups of circular heald frames 6 can be installed according to weaving requirements. The yarn carrier 61 is movably connected in the circular heald frame 6, and the yarn carrier 61 can perform circular motion in the circular heald frame 6 by yarn traction. The yarn carrier 61 is mounted with a tension frame 64, on which a fixed roller 62 and a movable roller 63 are mounted. The fixed roller 62 is in contact with the movable roller 63, and the movable roller 63 is connected to a yarn winding motor, which is used to drive the movable roller to rotate. Optionally, the output shaft of the yarn winding motor is disposed inside the movable roller, and the yarn winding motor drives the movable roller to rotate by rotating its output shaft.

[0045] Optionally, the jacquard head system includes a driving trolley 7, a first driving arm 72, a second driving arm 73 and a jacquard head 8, the driving trolley 7 is connected to the core column 1 through a sliding bearing 71, the driving trolley 7 can perform vertical lifting and lowering movements along the core column 1, one end of the first driving arm 72 is rotatably connected to the driving trolley 7 through a first driving arm motor, one end of the second driving arm 73 is rotatably connected to the other end of the first driving arm 72 through a second driving arm motor, and the jacquard head 8 is rotatably connected to the other end of the second driving arm 73 through the jacquard head motor.

[0046] Furthermore, the jacquard head 8 includes a weft yarn detection device 81 with a sensor, a fixed rail 82, a limit plate 83, a push rod 84, a weft insertion rod 85, and a retractable yarn cutting knife 86. The limit plate 83 is located at the end inside the jacquard head 8 and is connected to the push rod 84. The push rod 84 is connected to the weft insertion rod 85. The fixed rail 82 is located at the front end of the weft insertion rod 85. The weft yarn detection device 81 is installed above the fixed rail 82, and the retractable yarn cutting knife 86 is installed at the front end inside the jacquard head 8. The weft yarn detection device 81, push rod 84, and weft insertion rod 85 are located at the same longitudinal cross-sectional position inside the jacquard head 8. Multiple sets of the weft yarn detection devices 81, push rod 84, and weft insertion rod 85 can be installed at different positions of the cross-sectional area inside the jacquard head 8 according to weaving requirements.

[0047] Optionally, the control system 9 is electrically connected to the core mold drive device 2, the heald frame motor, the winding motor, the driving trolley 7, the first driving arm motor, the second driving arm motor, the jacquard head motor, the sensors of the weft yarn detection device 81, and the retractable yarn cutting knife 86. The control system 9 is used to receive working signals from the sensors of the core mold drive device 2, the heald frame motor, the winding motor, the driving trolley 7, the first driving arm motor, the second driving arm motor, the jacquard head motor, and the weft yarn detection device 81 and control the movement of the core mold drive device 2, the heald frame motor, the winding motor, the driving trolley 7, the first driving arm motor, the second driving arm motor, the jacquard head motor, and the retractable yarn cutting knife 86. By controlling the winding motor to drive the active roller 63 to rotate, the tension and elongation of each yarn can be controlled, which can be used to weave 2.5D fabrics with changed structures. By controlling the movement of the core mold drive device 2 and the driving trolley 7, the weft density of the fabric can be changed during the weaving process.

[0048] The embodiment provides a 2.5D conical rotating body preform automatic weaving system. During the weaving process, the control system 9 inputs the corresponding parameter values ​​and allocates different yarns to pass through the yarn carriers 61 in the corresponding circular heald frames 6 according to the design requirements. Figure 2 and 3 As shown, the yarn first passes around the fixed roller 62 and the movable roller 63 and then passes through the yarn carrier 61. Then one end of the yarn is fixed to the bottom end of the replaceable fabric core mold 3. The control system 9 executes a start command to the core mold driving device 2, and the core mold driving device 2 drives the replaceable fabric core mold 3 to rotate a certain angle, as shown in FIG. Figure 4As shown, the heald frame motor controls the different circular heald frames 6 to perform corresponding lifting and lowering movements to complete the yarn shedding. Simultaneously, the movable roller 63 controls the tension of the warp yarn 10 and delivers the warp yarn 10 during the lifting and lowering of the circular heald frames 6. After the shedding is completed, the core mold drive device 2 pauses, and the drive trolley 7, the first drive arm motor, the second drive arm motor, and the jacquard head motor respectively control the first drive arm 72, the second drive arm 73, and the jacquard head 8 to reach the designated weft insertion position (the first drive arm motor, the second drive arm motor, and the jacquard head motor are not shown). The propulsion rod 84 inside the jacquard head 8 pushes the weft insertion rod 85 to another jacquard head 8 to complete the weft insertion. The drive trolley 7 then controls the jacquard head 8 to move downward, tightening the weft yarn 12. After the weft yarn 12 is tightened, the weft yarn detection device 81 confirms that the weft yarn state and weft insertion amount are accurate. The control system 9 then controls the retractable yarn cutting knife 86 to cut the weft yarn 12. In the event of abnormal weft yarn conditions and weft insertion amount, the weft insertion amount is adjusted by adjusting the position of the jacquard head 8 and the core mold drive device 2. The movement of the core mold drive device 2, the circular heald frame 6, the winding motor, the drive trolley 7, the first drive arm motor, the second drive arm motor, the jacquard head motor, the push rod 84, the weft insertion rod 85, and the retractable yarn cutting knife 86 are then controlled according to the parameters input into the control system 9. The above process is repeated to automatically weave a 2.5D preform in the shape of a corresponding conical rotating body.

[0049] Example 2

[0050] This embodiment provides a method for automatically weaving a 2.5D conical rotor preform, which uses the automatic weaving system for a 2.5D conical rotor preform provided in Example 1, and includes the following steps:

[0051] Step 1: Input the specifications of the replaceable fabric core mold and the weaving parameters of the fabric 11 into the control system 9. According to the design requirements, the yarn is passed through the fixed roller 62 and the movable roller 63 on the yarn hanging platform 13 and then passed through the yarn carrier 61 and fixed to the bottom of the replaceable fabric core mold 3;

[0052] Step 2: Weaving is performed in the control system 9. The control system 9 controls the core mold driving device 2 to drive the replaceable fabric core mold 3 to rotate. The control system 9 controls the heald frame motor to pull different circular heald frames 6 to perform vertical lifting and lowering movements to control the opening of the fabric 11. At the same time, the control system 9 controls the yarn winding motor to drive the movable roller 63 to rotate to adjust the tension of each warp yarn 10 and output the warp yarn 10 during the lifting and lowering of the circular heald frames 6.

[0053] Step 3: After the opening is completed, the core mold driving device 2 stops working, and the control system 9 controls the driving trolley 7, the first driving arm motor, the second driving arm motor and the jacquard head motor to adjust the two jacquard heads to a certain diagonal position and corresponding to the corresponding weft insertion position. The propulsion rod 84 inside the jacquard head 8 pushes the weft insertion rod 85 to the inside of the other jacquard head 8 to complete one weft insertion. The driving trolley 7 controls the jacquard head 8 to move downward to tighten the weft yarn 12.

[0054] Step 4: After the weft yarn 12 is tightened, the weft insertion amount is determined by the weft yarn detection device 81, and the control system 9 controls the retractable yarn cutting knife 86 to cut the weft yarn 12, completing the weaving of one interlaced point; the control system 9 controls the core mold driving device 2 to rotate intermittently, the movable roller 63 adjusts the tension of the warp yarn 10, the heald frame motor controls the lifting and lowering of the circular heald frame 6, and drives the trolley 7, the first drive arm motor, the second drive arm motor and the jacquard head motor to adjust the positions of the two jacquard heads 8. After the weft yarn detection device 81 displays the weft yarn status and the beating is completed, the control system 9 controls the retractable yarn cutting knife 86 to cut the weft yarn 12, and repeats the above movement to complete one weaving cycle of the fabric;

[0055] Step 5: Each system completes the weaving of the 2.5D conical rotating body preform according to the input weaving parameters achieved by this cyclic motion.

[0056] Although the present invention has been disclosed above in terms of preferred embodiments, it is not intended to limit the present invention. Anyone familiar with this technology can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention should be based on the definition of the claims.

Claims

1. A 2.5D conical rotating body preform automatic weaving system, characterized in that: Including core column system, yarn hanging system and jacquard head system; The core column system includes a core column, a core mold driving device and a replaceable fabric core mold, wherein the core mold driving device is connected to the replaceable fabric core mold and is used to drive the replaceable fabric core mold to rotate; The yarn hanging system includes a column, a yarn hanging platform, a heald frame sliding track, a circular heald frame and multiple groups of yarn carriers, the column is installed on the periphery of the core column, the yarn hanging platform is installed above the core column, the heald frame sliding track is fixedly installed on the column, a plurality of the circular heald frames are movably connected to the heald frame sliding track, the yarn carrier is movably connected in the circular heald frame, the yarn carrier performs circular motion in the circular heald frame by yarn traction, the circular heald frame is connected to a heald frame motor, and the heald frame motor is used to drive the circular heald frame to perform vertical lifting motion along the heald frame sliding track; The jacquard head system includes a driving trolley and a jacquard head, wherein the driving trolley is connected to the jacquard head and movably connected to the core column, and the driving trolley can move up and down along the core column; the jacquard head system also includes a first driving arm and a second driving arm, wherein the driving trolley is connected to the core column via a sliding bearing, one end of the first driving arm is rotatably connected to the driving trolley via a first driving arm motor, one end of the second driving arm is rotatably connected to the other end of the first driving arm via a second driving arm motor, and the jacquard head is rotatably connected to the other end of the second driving arm via the jacquard head motor; The jacquard head includes a weft yarn detection device with a sensor, a fixed track, a limit plate, a push rod, a weft insertion rod and a retractable yarn cutting knife. The limit plate is located at the end inside the jacquard head and is connected to the push rod. The push rod is connected to the weft insertion rod. The fixed track is located at the front end of the weft insertion rod. The weft yarn detection device is installed above the fixed track. The retractable yarn cutting knife is installed at the front end inside the jacquard head; the weft yarn detection device, push rod and weft insertion rod are located at the same longitudinal cross-sectional position inside the jacquard head; multiple groups of the weft yarn detection devices, push rods and weft insertion rods are installed at different positions of the cross-sectional area inside the jacquard head.

2. The 2.5D conical rotating body preform automatic weaving system according to claim 1, characterized in that: The core mold driving device is installed in the core column, and the replaceable fabric core mold is installed at the end of the core column.

3. The 2.5D conical rotating body preform automatic weaving system according to claim 2, characterized in that: A tension frame is installed on the yarn carrier, and a fixed roller and a movable roller are installed on the tension frame. The fixed roller is in contact with the movable roller, and the movable roller is connected to a yarn winding motor, and the yarn winding motor is used to drive the movable roller to rotate.

4. The 2.5D conical rotating body preform automatic weaving system according to claim 3, characterized in that: It also includes a control system, which is electrically connected to the core mold drive device, the heald frame motor, the yarn winding motor, the drive trolley, the first drive arm motor, the second drive arm motor, the jacquard head motor, the sensor of the weft yarn detection device and the retractable yarn cutting knife.

5. The 2.5D conical rotating body preform automatic weaving system according to claim 4, characterized in that: The heald frame motor is a linear motor.

6. A method for automatically weaving a 2.5D conical rotating body preform, characterized in that: The 2.5D conical rotating body preform automatic weaving system according to any one of claims 4 to 5 is applied, and the method comprises the following steps: Step 1: Input the specifications of the replaceable fabric core mold and the fabric weaving parameters into the control system. According to the design requirements, the yarn is passed through the fixed roller and the movable roller on the yarn hanging platform and then through the yarn carrier and fixed to the bottom of the replaceable fabric core mold; Step 2: Weaving is executed in the control system. The control system controls the core mold driving device to drive the replaceable fabric core mold to rotate, and the control system controls the heald frame motor to pull different circular heald frames to perform vertical lifting and lowering movements to control the fabric opening. At the same time, the control system controls the yarn winding motor to drive the movable roller to rotate to adjust the tension of each warp yarn and output the warp yarn during the lifting and lowering of the circular heald frames; Step 3: After the opening is completed, the core mold driving device stops working, and the control system controls the driving trolley, the first driving arm motor, the second driving arm motor and the jacquard head motor to adjust the two jacquard heads to a certain diagonal position and corresponding to the corresponding weft insertion position. The propulsion rod inside the jacquard head pushes the weft insertion rod to the inside of the other jacquard head to complete one weft insertion, and the driving trolley controls the jacquard head to move downward to tighten the weft yarn; Step 4: After the weft yarn is tightened, the weft insertion amount is determined by the weft yarn detection device, and the control system controls the retractable yarn cutting knife to cut the weft yarn, completing the weaving of one interlaced point; the control system controls the intermittent rotation of the core mold driving device, the movable roller adjusts the warp tension, the heald frame motor controls the lifting and lowering of the circular heald frame, the driving trolley, the first drive arm motor, the second drive arm motor and the jacquard head motor adjust the positions of the two jacquard heads, the weft yarn detection device displays the weft yarn status and completes the beating-up, the control system controls the retractable yarn cutting knife to cut the weft yarn, and the above movement is repeated to complete one weaving cycle of the fabric; Step 5: Each system completes the weaving of the 2.5D conical rotating body preform according to the input weaving parameters achieved by this cyclic motion.

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