Integral winding forming device and method for three-dimensional fabric

Abstract

The invention discloses a three-dimensional fabric integral winding forming device and method.The forming device comprises a support assembly, a yarn winding assembly and a mold assembly, the yarn winding assembly is arranged on the support assembly, and the mold assembly is arranged on the portion, at the bottom of the yarn winding assembly, of the support assembly and used for efficient, continuous and uniform winding of multi-tow fibers; through mutual cooperation of the support assembly, the yarn winding assembly and the mold assembly, efficient, continuous and uniform winding of multi-tow fibers is achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of composite three-dimensional fabric forming, and particularly to a three-dimensional fabric integral winding forming device and method. Background Art

[0002] The three-dimensional fabric formed by high-performance composite fiber winding has the characteristics of high efficiency, low cost and high performance, and is widely used in key fields such as aviation and aerospace, such as high-value-added composite shells. With the wide use of composite materials, the market scale has increased year by year.

[0003] At present, most of the mainstream fiber winding forming equipment adopts single filament bundle or few bundle fibers to wind simultaneously. For example, a constant tension winding industrial robot with the publication number of CN114228194A includes a robot main body, and the robot main body includes a base, a rotating joint, a first movable arm, a second movable arm, a third movable arm and a fourth movable arm. The rotating joint is installed on the base, the first movable arm is hinged to the rotating joint, the second movable arm is hinged to the first movable arm, and the third movable arm is hinged to the second movable arm; and a drafting mechanism is installed at one end of the fourth movable arm relatively far from the third movable arm. This arrangement method can greatly reduce friction, reduce loss and control the cost to the lowest; however, its winding efficiency is low, the winding accuracy is poor, stress concentration is likely to occur, the dielectric error of the formed product is large, the service life is short, and the strength is low, which is not suitable for the production of large-scale, batch and complex special-shaped components.

[0004] There are also multi-filament bundle winding forming equipment in the existing fiber winding forming equipment. For example, a new type of multi-bundle fiber spiral winding equipment with the publication number of CN113386330A, the rotating system is installed outside the right frame through bolts, the radial movement system is installed outside the left frame through bolts, and the rotating system is connected to the fork of the radial movement system through the notch of the clamp. This winding equipment breaks through the existing single-bundle or few-bundle fiber winding process and realizes single-layer synchronous winding, improving the winding efficiency; however, its overall structure is relatively complex, and the winding process needs to place samples intermittently, unable to realize continuous forming, and causing a large amount of material waste. Summary of the Invention

[0005] The purpose of this part is to outline some aspects of the embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this part, as well as in the abstract and title of the specification of this application, to avoid obscuring the purpose of this part, the abstract and the title, and such simplifications or omissions shall not be used to limit the scope of the present invention.

[0006] The technical problem to be solved by the present invention is that the current fiber winding forming equipment still has problems such as low winding efficiency, discontinuous winding and uneven fiber distribution.

[0007] To solve the above technical problems, the present invention provides the following technical solution: A three-dimensional fabric integral winding and forming device, which includes a bracket assembly, a yarn winding assembly, and a mold assembly. The bracket assembly is mainly used for supporting the entire device and the lifting and transfer of products. The yarn winding assembly is arranged on the bracket assembly and is used for winding yarns. The mold assembly is arranged on the bracket assembly at the bottom of the yarn winding assembly to maintain the overall configuration of the fabric. Through the mutual cooperation among the bracket assembly, the yarn winding assembly, and the mold assembly, the efficient, continuous, and uniform winding of multi-filament fibers is achieved.

[0008] As a preferred embodiment of the three-dimensional fabric integral winding and forming device of the present invention, wherein: The bracket assembly includes a bracket, a chassis, a roller conveyor belt, and a lifting member. The yarn winding assembly is arranged on the top of the bracket. The chassis penetrates through the bottom of the bracket and is used for bottom support. The roller conveyor belt is arranged on the top of the chassis and is used for material conveyance. The lifting member is arranged on the chassis, and the mold assembly is arranged on the lifting member.

[0009] As a preferred embodiment of the three-dimensional fabric integral winding and forming device of the present invention, wherein: The yarn winding assembly includes an annular plate, a connecting plate, a guide rail, a yarn rotating member, a reduction motor, a yarn tensioning member, and a housing. The annular plate is fixedly arranged on the top of the bracket through the connecting plate and is used for supporting the entire yarn winding assembly. The guide rail is arranged inside the annular plate. The yarn rotating member is arranged on the guide rail. The reduction motors are evenly arranged on the outer edge of the annular plate. The reduction motors are connected to the yarn rotating member. The yarn tensioning member is arranged at the center of the annular plate and is used for tensioning the yarn. The housing is arranged on the annular plate and is used for dust prevention and safety protection.

[0010] As a preferred embodiment of the three-dimensional fabric integral winding and forming device of the present invention, wherein: The lifting member includes a screw jack and a bottom plate. The screw jack is arranged at the bottom of the chassis. The top of the screw jack extends out of the chassis. The bottom plate is arranged on the top of the screw jack, and the mold assembly is arranged on the bottom plate.

[0011] As a preferred embodiment of the three-dimensional fabric integral winding and forming device of the present invention, wherein: The mold assembly includes a core mold and crochet needles. The core mold is arranged on the upper surface of the bottom plate, and the crochet needles are evenly arranged on the core mold.

[0012] As a preferred embodiment of the three-dimensional fabric integral winding and forming device of the present invention, the following is provided: The yarn rotating member includes a rotor, a yarn guiding rod, and a spindle assembly. The rotors are evenly distributed inside the guide rail and are used for the circumferential rotation of the yarn. The rotors are connected to a reduction motor. The yarn guiding rod is arranged on the rotor, and a porcelain eye is installed at the head of the yarn guiding rod for guiding the yarn. The spindle assemblies are evenly arranged outside the guide rail and are used for storing yarn, tensioning the yarn, and guiding the yarn. The number and positions of the spindle assemblies correspond to the number and positions of the rotors.

[0013] As a preferred embodiment of the three-dimensional fabric integral winding and forming device of the present invention, the following is provided: The yarn tensioning member includes a fixing frame, a connecting beam, and a yarn blocking ring. The fixing frame is arranged at the center of the annular plate through the connecting beam, and the yarn blocking ring is arranged on the fixing frame.

[0014] A three-dimensional fabric integral winding and forming method using the three-dimensional fabric integral winding and forming device includes the following steps:

[0015] S1: According to process requirements, the yarn is led out from the spindle assembly, and is intertwined through the yarn guiding holes and the yarn guiding rods on the guide rail.

[0016] S2: Position and clamp the core mold on the bottom plate.

[0017] S3: Fix the crochet hook on the core mold according to process requirements.

[0018] S4: Adjust the lifting speed of the screw jack and the winding speed of the winding assembly according to process requirements, so that the yarn realizes a spiral reciprocating winding movement on the core mold, covering the core mold and forming a three-dimensional fabric.

[0019] S5: After the three-dimensional fabric reaches the process setting requirements, cut and sample it.

[0020] S6: The cut three-dimensional fabric finished product is conveyed to the next station through a roller conveyor for inspection.

[0021] As a preferred embodiment of the three-dimensional fabric integral winding and forming method of the present invention, the following is provided: The lifting speed of the screw jack and the winding speed of the winding assembly in S4 are adjusted and matched steplessly.

[0022] The beneficial effects of the present invention are as follows:

[0023] 1. Through the mutual cooperation among the support assembly, the winding assembly, and the mold assembly, efficient, continuous, and uniform winding of multi-filament fibers can be achieved.

[0024] 2. Through the cooperation of the lifting movement of the screw jack and the winding movement of the multi-head winding assembly, synchronous whole-layer spiral winding of multi-filaments can be achieved, and the winding efficiency can be greatly improved compared with the traditional single-filament winding.

[0025] 3. During the yarn winding process, there is no need to intermittently cut the yarn and re - hang it. Through the crochet yarn climbing, reciprocating winding between layers can be achieved, which has the advantage of continuous production compared with traditional multi - tow winding equipment;

[0026] 4. By steplessly adjusting and matching the lifting speed of the screw lift and the winding speed of the winding component, the movement of the mandrel and the winding component is decoupled. This not only greatly reduces the control difficulty of the forming trajectory of asymmetric components, but also greatly simplifies the structure of the control system for adjusting the winding angle, thickness, and yarn density, so as to better meet the different requirements of the mechanical properties, thickness, structure, and winding efficiency of three - dimensional fabrics;

[0027] 5. The yarn is evenly distributed in a ring within the winding component, and the tension of each spindle component is consistent and constant, so as to improve the compactness and uniformity of the spiral winding of the winding component on the mandrel, and the mechanical properties of the winding - formed product are better than those of traditional ones. Brief Description of the Drawings

[0028] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings. Among them:

[0029] Figure 1 It is a schematic diagram of the overall structure of the three - dimensional fabric integral winding forming device.

[0030] Figure 2 It is a schematic diagram of the internal structure of the housing of the three - dimensional fabric integral winding forming device.

[0031] Figure 3 It is a schematic diagram of the position structure of the rotor and the yarn guide rod of the three - dimensional fabric integral winding forming device.

[0032] Figure 4 It is a schematic diagram of the structure of the mold component of the three - dimensional fabric integral winding forming device.

[0033] Figure 5 It is a schematic diagram of the structure of the "rice" - shaped yarn interweaving form.

[0034] Figure 6 It is a schematic diagram of the structure of the "well" - shaped yarn interweaving form.

[0035] Figure 7 It is a process flow chart of the three - dimensional fabric integral winding forming method.

[0036] In the figure: 100, support assembly; 101, chassis; 102, roller conveyor belt; 103, screw jack; 104, base plate; 105, support; 200, yarn winding assembly; 201, connecting plate; 202, guide rail; 203, annular plate; 204, spindle assembly; 205, reduction motor; 206, connecting beam; 207, yarn guide rod; 208, yarn stop ring; 209, rotor; 210, fixing frame; 211, housing; 300, mold assembly; 301, core mold; 302, crochet hook; 303, three-pyramid-shaped three-dimensional fabric. Specific Embodiment

[0037] To make the above objects, features, and advantages of the present invention more obvious and understandable, the following detailed description of the specific embodiments of the present invention will be made in conjunction with the accompanying drawings of the specification.

[0038] In the following description, many specific details are set forth to fully understand the present invention. However, the present invention can also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the connotation of the present invention. Therefore, the present invention is not limited by the specific embodiments disclosed below.

[0039] Secondly, the so-called "one embodiment" or "embodiment" herein refers to a specific feature, structure, or characteristic that can be included in at least one implementation manner of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment that mutually excludes other embodiments.

[0040] Embodiment 1

[0041] Referring to Figures 1 to 4 , which is the first embodiment of the present invention. This embodiment provides a three-dimensional fabric integral winding and forming device, which includes a support assembly 100, a yarn winding assembly 200, and a mold assembly 300. The yarn winding assembly 200 is arranged on the support assembly 100, and the mold assembly 300 is arranged on the support assembly 100 at the bottom of the yarn winding assembly 200 for efficient, continuous, and uniform winding of multi-filament fibers.

[0042] The three-dimensional fabric integral winding forming device in this embodiment mainly consists of a support assembly 100, a yarn winding assembly 200, and a mold assembly 300. Among them, the support assembly 100 serves as the installation foundation of the entire device, mainly for supporting the entire device and lifting and transporting products. The yarn winding assembly 200 is installed on the support assembly 100 to wind yarn onto the mold assembly 300. The mold assembly 300 is installed on the support assembly 100 directly below the yarn winding assembly 200 to maintain the overall configuration of the fabric. In this embodiment, through the mutual cooperation among the support assembly 100, the yarn winding assembly 200, and the mold assembly 300, efficient, continuous, and uniform winding of multi-filament fibers is achieved, thereby improving the forming efficiency and quality of the entire winding device.

[0043] Specifically, the support assembly 100 includes a support 105, a chassis 101, a roller conveyor belt 102, and a lifting member. The yarn winding assembly 200 is disposed at the top of the support 105. The chassis 101 penetrates through the bottom of the support 105. The roller conveyor belt 102 is disposed on the top of the chassis 101. The lifting member is disposed on the chassis 101. The mold assembly 300 is disposed on the lifting member.

[0044] The support assembly 100 in this embodiment mainly consists of a support 105, a chassis 101, a roller conveyor belt 102, and a lifting member. The support 105 is integrally in a cubic structure. The yarn winding assembly 200 is installed on the top of the support 105. The chassis 101 is installed at the bottom of the support 105 to support the components at the bottom. The chassis 101 is integrally in a rectangular parallelepiped structure, and the chassis 101 penetrates through the entire support 105. The roller conveyor belt 102 is installed on the top of the chassis 101. The conveyance of materials can be realized through the roller conveyor belt 102. The lifting member is installed on the support rod at the bottom of the chassis 101, and the lifting member is directly below the yarn winding assembly 200. The mold assembly 300 is installed on the lifting member, and the up and down movement of the mold assembly 300 can be realized through the lifting member.

[0045] Specifically, the yarn winding assembly 200 includes an annular plate 203, a connecting plate 201, a guide rail 202, a yarn rotating member, a reduction motor 205, a yarn tensioning member, and a housing 211. The annular plate 203 is fixedly disposed on the top of the support 105 through the connecting plate 201. The guide rail 202 is disposed inside the annular plate 203. The yarn rotating member is disposed on the guide rail 202. The reduction motors 205 are evenly arranged on the outer edge of the annular plate 203. The reduction motors 205 are connected to the yarn rotating member. The yarn tensioning member is disposed at the center of the annular plate 203. The housing 211 is disposed on the annular plate 203.

[0046] The yarn winding assembly 200 in this embodiment mainly consists of an annular plate 203, sixteen connecting plates 201, a guide rail 202, a yarn rotating member, four reduction motors 205, a yarn tensioning member, and a housing 211. The annular plate 203 is in an overall annular structure and serves as the installation foundation for the entire yarn winding assembly 200, playing a certain supporting role. Eight connecting plates 201 are symmetrically installed on the left and right sides of the annular plate 203. The annular plate 203 is fixedly installed on the top of the bracket 105 through these sixteen connecting plates 201. A guide rail 202 is installed inside the annular plate 203, playing a certain guiding role. A yarn rotating member is installed on the guide rail 202, and the circumferential rotation of the yarn can be realized through the yarn rotating member. Four reduction motors 205 are evenly arranged at the outer edge of the annular plate 203, providing driving force for the yarn rotating member. A yarn tensioning member is installed at the central through hole of the annular plate 203 for tensioning the yarn. Housings 211 are installed on both the top and bottom of the annular plate 203 for dust prevention and safety protection.

[0047] Specifically, the lifting member includes a screw jack 103 and a bottom plate 104. The screw jack 103 is arranged at the bottom of the chassis 101, and the top of the screw jack 103 extends out of the chassis 101. The bottom plate 104 is arranged at the top of the screw jack 103, and the mold assembly 300 is arranged on the bottom plate 104.

[0048] The lifting member in this embodiment mainly consists of a screw jack 103 and a bottom plate 104. The screw jack 103 is vertically installed on the bottom support rod of the chassis 101, and the top of the screw jack 103 extends out of the chassis 101 to realize the lifting of the material. A gap is formed in the roller conveyor belt 102 here. The bottom plate 104 is installed at the top of the screw jack 103, and the shape of the bottom plate 104 matches the gap on the roller conveyor belt 102. The mold assembly 300 is installed on the bottom plate 104, playing a certain positioning role for the mold assembly 300. During operation, the screw jack 103 drives the mold assembly 300 to move up and down to wind the yarn on the mold assembly 300. Through the cooperation of the lifting movement of the screw jack 103 and the yarn winding movement of the multi-head yarn winding assembly 200 in this embodiment, multi-strand synchronous whole-layer spiral yarn winding can be realized, greatly improving the winding efficiency. It should be noted that the up and down feeding speed of the screw jack 103 in this embodiment needs to be adjusted according to the core mold 301 of different structures, so as to realize the adjustment of the winding angle, thickness, and yarn density.

[0049] Specifically, the mold assembly 300 includes a core mold 301 and crochet needles 302. The core mold 301 is arranged on the upper surface of the bottom plate 104, and the crochet needles 302 are evenly arranged on the core mold 301.

[0050] The mold assembly 300 in this embodiment is mainly composed of a core mold 301 and forty-eight crochet needles 302. The core mold 301 is positioned and installed on the upper surface of the bottom plate 104. In this embodiment, the core mold 301 with a triangular pyramid structure is adopted to integrally wind a fabric with a triangular pyramid three-dimensional structure. Forty-eight crochet needles 302 are evenly inserted on the outer surface of the bottom of the core mold 301, so as to realize yarn climbing through the crochet needles 302. During the yarn winding process, there is no need to intermittently cut the yarn and re-hang the yarn. Through the yarn climbing of the crochet needles 302, reciprocating yarn winding between layers can be realized, thus realizing continuous production. It should be noted that the specific structure of the core mold 301 and the distribution position of the crochet needles 302 in this embodiment need to be selected according to actual needs. In other embodiments, the core mold 301 can also adopt a cube structure. In this case, a certain number of crochet needles 302 need to be distributed on both the top and the bottom of the core mold 301 with a cube structure for yarn climbing. Since the core mold 301 in this embodiment is a triangular pyramid three-dimensional structure, it will be subjected to a certain tension when winding the yarn from top to bottom. Therefore, there is no need to insert crochet needles 302 at the top of the core mold 301.

[0051] Specifically, the yarn rotating member includes a rotor 209, a yarn guiding rod 207 and a spindle assembly 204. The rotors 209 are evenly distributed inside the guide rail 202. The rotor 209 is connected to the reduction motor 205. The yarn guiding rod 207 is arranged on the rotor 209. The spindle assemblies 204 are evenly arranged outside the guide rail 202. The number and position of the spindle assemblies 204 correspond to the number and position of the rotors 209.

[0052] The yarn rotating member in this embodiment is mainly composed of a rotor 209, a yarn guiding rod 207 and a spindle assembly 204. The rotors 209 are evenly distributed inside the guide rail 202. The rotor 209 is connected to the reduction motor 205 for the circumferential rotation of the yarn. The yarn guiding rod 207 is installed on the rotor 209, and a porcelain eye is installed at the head of the yarn guiding rod 207. When in use, the yarn passes through the porcelain eye at the head of the yarn guiding rod 207 to play a role in guiding the yarn. The spindle assemblies 204 with the same number as the rotors 209 are evenly distributed outside the guide rail 202, and the position of the spindle assemblies 204 corresponds to the position of the rotors 209, which are used for storing yarn and tensioning and guiding the yarn, so that the yarn is evenly distributed in a ring in the yarn winding assembly 200. The tension of each spindle assembly 204 is consistent and constant to improve the compactness and uniformity of the spiral winding of the yarn winding assembly 200 on the core mold 301.

[0053] Specifically, the yarn tensioning member includes a fixing frame 210, a connecting beam 206 and a yarn retaining ring 208. The fixing frame 210 is arranged at the center of the annular plate 203 through the connecting beam 206. The yarn retaining ring 208 is arranged on the fixing frame 210.

[0054] The yarn tensioner in this embodiment mainly consists of a fixing frame 210, four connecting beams 206, and a yarn retaining ring 208. Four connecting beams 206 are evenly installed on the upper surface of the annular plate 203. The tops of the four connecting beams 206 all face the center of the annular plate 203. A fixing frame 210 is fixedly installed at the top of the connecting beam 206, so that the fixing frame 210 is located at the center of the annular plate 203. A yarn retaining ring 208 is installed on the top of the fixing frame 210. The yarn can be tensioned through the yarn retaining ring 208, and the tension force can be adjusted according to process requirements, thereby improving the winding accuracy of the forming device.

[0055] Embodiment 2

[0056] Referring to Figures 1 to 7 , this is the second embodiment of the present invention. Based on the previous embodiment, a three-dimensional fabric integral winding forming method is proposed, including the following steps:

[0057] S1: According to process requirements, the yarn (aluminum oxide fiber) is led out from the spindle assembly 204, passes through the yarn guiding holes on the guide rail 202, and then penetrates into the porcelain eyes on the yarn guiding rod 207, so that the yarns are intertwined into a "rice" shape. It should be noted that in this embodiment, according to process requirements, the intertwined form of the yarn can be designed into different characters. In other embodiments, the intertwined form of the yarn can also be designed into a "well" shape;

[0058] S2: Position and clamp the core mold 301 made of rigid foam on the bottom plate 104. In this embodiment, a triangular pyramid three-dimensional fabric 303 is taken as an example, and its process parameters are shown in Table 1;

[0059] Table 1

[0060]

[0061] S3: Insert forty-eight crochet needles 302 evenly on the outer surface of the bottom of the core mold 301 according to process requirements for yarn climbing, and the installation of the crochet needles 302 should be firm and reliable;

[0062] S4: Adjust the lifting speed of the screw jack 103 and the winding speed of the winding assembly 200 according to process requirements. Combining the yarn climbing process, make the yarn perform a spiral reciprocating winding movement on the core mold 301, wrap the core mold 301 and form a triangular pyramid three-dimensional fabric. During this process, the lifting speed of the screw jack 103 and the winding speed of the winding assembly 200 are adjusted and matched steplessly, so that the movement of the core mold 301 and the winding assembly is decoupled. This not only greatly reduces the control difficulty of the forming trajectory of the asymmetric component, but also greatly simplifies the structure of the adjustment control system for the winding angle, thickness, and yarn density, so as to better meet the different requirements of the mechanical properties, thickness, structure, and winding efficiency of the three-dimensional fabric;

[0063] S5: After the triangular pyramid-shaped three-dimensional fabric 303 meets the process setting requirements, it is cut and sampled;

[0064] S6: The finished product of the cut triangular pyramid-shaped three-dimensional fabric 303 is conveyed by the roller conveyor belt 102 to the next station for inspection.

[0065] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present invention, and they should all be covered by the scope of the claims of the present invention.

Claims

1. A three-dimensional fabric integral winding and forming device, characterized in that: It includes a bracket assembly (100), a yarn winding assembly (200) and a die assembly (300). The yarn winding assembly (200) is arranged on the bracket assembly (100), and the die assembly (300) is arranged on the bracket assembly (100) at the bottom of the yarn winding assembly (200) for efficient, continuous and uniform winding of multi-filament fibers.

2. The three-dimensional fabric integral winding and forming device according to claim 1, characterized in that: The bracket assembly (100) includes a bracket (105), a chassis (101), a roller conveyor belt (102) and a lifting member. The yarn winding assembly (200) is arranged on the top of the bracket (105). The chassis (101) penetrates through the bottom of the bracket (105). The roller conveyor belt (102) is arranged on the top of the chassis (101). The lifting member is arranged on the chassis (101), and the die assembly (300) is arranged on the lifting member.

3. The three-dimensional fabric integral winding and forming device according to claim 2, characterized in that: The yarn winding assembly (200) includes an annular plate (203), a connecting plate (201), a guide rail (202), a yarn rotating member, a reduction motor (205), a yarn tensioning member and a housing (211). The annular plate (203) is fixedly arranged on the top of the bracket (105) through the connecting plate (201). The guide rail (202) is arranged inside the annular plate (203). The yarn rotating member is arranged on the guide rail (202). The reduction motors (205) are uniformly arranged on the outer edge of the annular plate (203). The reduction motors (205) are connected to the yarn rotating member. The yarn tensioning member is arranged at the center of the annular plate (203), and the housing (211) is arranged on the annular plate (203).

4. The three-dimensional fabric integral winding and forming device according to claim 2, wherein: The lifting member includes a screw jack (103) and a bottom plate (104). The screw jack (103) is arranged at the bottom of the chassis (101). The top of the screw jack (103) extends out of the chassis (101). The bottom plate (104) is arranged on the top of the screw jack (103), and the die assembly (300) is arranged on the bottom plate (104).

5. The three-dimensional fabric integral winding and forming device according to claim 4, characterized in that: The die assembly (300) includes a core mold (301) and crochet needles (302). The core mold (301) is arranged on the upper surface of the bottom plate (104), and the crochet needles (302) are uniformly arranged on the core mold (301).

6. The three-dimensional fabric integral winding and forming device according to claim 3, characterized in that: The yarn rotating member includes a rotor (209), a yarn guide rod (207) and a spindle assembly (204). The rotors (209) are uniformly distributed inside the guide rail (202). The rotors (209) are connected to the reduction motors (205). The yarn guide rod (207) is arranged on the rotors (209). The spindle assemblies (204) are uniformly arranged outside the guide rail (202). The number and positions of the spindle assemblies (204) correspond to the number and positions of the rotors (209).

7. The three-dimensional fabric integral winding and forming device according to claim 3, characterized in that: The yarn tensioning member includes a fixing frame (210), a connecting beam (206) and a yarn retaining ring (208). The fixing frame (210) is arranged at the center of the annular plate (203) through the connecting beam (206), and the yarn retaining ring (208) is arranged on the fixing frame (210).

8. A method for integrally winding and forming a three-dimensional fabric, using the three-dimensional fabric integrally winding and forming device as described in any one of claims 1 to 7, characterized in that: It includes the following steps: S1: Lead out the yarn from the spindle assembly according to the process requirements, and form an interweaving through the yarn guide holes and yarn guide rods on the guide rail; S2: Position and clamp the mandrel on the bottom plate; S3: Fix the crochet hook on the mandrel according to the process requirements; S4: Adjust the lifting speed of the screw jack and the winding speed of the winding assembly according to the process requirements, so that the yarn realizes a spiral reciprocating winding movement on the mandrel, covering the mandrel and forming a three-dimensional fabric; S5: Cut the sample when the three-dimensional fabric meets the process requirements; S6: The finished three-dimensional fabric after cutting is conveyed to the next station by the roller conveyor for inspection.

9. The three-dimensional fabric integral winding and molding method according to claim 8, characterized in that: The lifting speed of the screw jack and the winding speed of the winding assembly in S4 are adjusted and matched steplessly.

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