3D core braiding equipment

Abstract

The present invention discloses a 3D core material weaving device, which belongs to the technical field of manufacturing 3D woven composite floors for rail transit vehicles. The present invention comprises a bracket; a core material clamping mechanism, which is arranged on the bracket, and the core material clamping mechanism has a core material bracket for fixing the core material; a weaving mechanism, which comprises a movable walkway that can be displaced, a workbench and a turntable wiring platform that are slidably connected to the movable walkway and move perpendicularly to the displacement direction of the movable walkway; and a second motor that drives the workbench and the turntable wiring platform to move, wherein a first motor that drives the movable walkway to be displaced is fixedly connected to the bracket, and a third motor that drives the fiber line to be routed is fixedly connected to the turntable wiring platform; and also comprises a needle mechanism fixedly connected to one side of the turntable wiring platform, which is used to pierce the fiber line of the weaving mechanism into the core material. The core material woven by the present invention has a delicate and uniform appearance and a high pass rate, thereby realizing efficient and accurate weaving of the core material, and the operation is simple and easy to use.

Description

Technical Field

[0001] The present invention relates to the technical field of manufacturing 3D woven composite floors for rail transit vehicles, and in particular to a 3D core material weaving device. Background Art

[0002] With the rapid development of economy, the design of rail transit vehicle body is also constantly improving and innovating. Moreover, the lightweight design of vehicle body is becoming more and more important, and the corresponding requirements are also put forward for the internal floor of the vehicle body, that is, the requirements are small price increase, light weight, high strength, and easy assembly. At present, if the vehicle body floor can reduce the weight and have high strength, it will be of great significance to the weight reduction of the whole vehicle. The floor used in traditional rail vehicles is metal corrugated plate, adhesive plastic plate, honeycomb bonding, which is heavy, and from the perspective of environmental protection, it is seriously inconsistent with the design requirements of rail transit vehicles;

[0003] There are also corresponding floors with light weight, high strength and easy assembly in the prior art, such as a 3D woven composite floor disclosed in Chinese patent application CN113858728 A, which includes, from top to bottom, an upper fireproof layer, an upper glass fiber composite cloth layer, an upper glass fiber mesh cloth layer, a 3D woven PU core material layer, a sound insulation layer, a lower glass fiber mesh cloth layer, a lower glass fiber composite cloth layer and a bottom fireproof layer; the composite floor is impregnated and reinforced with resin glue as a whole; wherein the 3D woven PU core material layer is foamed with a density of 35-45kg / m3PIR or PU material, and the foamed material is structurally woven using glass fiber with a tensile strength greater than 1500mpaE. The composite floor has the advantages of sound insulation, fire prevention, light weight, peeling resistance, aging resistance, medium resistance, moisture resistance, high strength, and not easy to deform;

[0004] Therefore, how to provide a 3D core material weaving device that can efficiently and accurately weave 3D core materials has become an important technical problem that technical personnel in this field urgently need to solve. Summary of the invention

[0005] The purpose of the present invention is to overcome the defects of the prior art and provide a 3D core material weaving device.

[0006] In order to achieve the above object, the present invention provides the following technical solutions:

[0007] The present invention discloses a 3D core material weaving device, comprising:

[0008] Bracket;

[0009] A core material clamping mechanism, which is arranged on the bracket, and the core material clamping mechanism has a core material bracket for fixing the core material;

[0010] A weaving mechanism, comprising a movable platform, a workbench and a turntable wiring platform which are slidably connected to the movable platform and move perpendicularly to the displacement direction of the movable platform; and

[0011] A second motor driving the workbench and the turntable wiring platform to move;

[0012] Wherein, the bracket is fixedly connected with a first motor for driving the displacement of the movable platform, and the turntable wiring platform is fixedly connected with a third motor for driving the fiber line wiring;

[0013] It also includes a needle mechanism fixedly connected to one side of the turntable wiring platform, which is used to pierce the fiber wire of the weaving mechanism into the core material.

[0014] Furthermore, the core material clamping mechanism also includes two L-shaped core material bottom brackets and a core material fixing pressure plate installed on the core material bottom brackets. The two ends of the core material bottom brackets can be fixedly connected to the core material brackets at any position through connecting plates.

[0015] Furthermore, the turntable wiring platform is fixedly connected with at least one fixed disk and a turntable rotatably connected with the fixed disk;

[0016] The third motor is fixedly connected to the turntable via a connecting shaft;

[0017] The side of the fixing plate is fixedly connected with a wire breaking boss protruding from the lower surface of the fixing plate;

[0018] A plurality of fiber line cutting devices capable of being raised and lowered are evenly distributed in the circumferential direction on the upper surface of the turntable;

[0019] In the working state, the fiber line cutting device rotates with the rotating disk and contacts the line-breaking boss, and moves downward under the push of the line-breaking boss to cut the fiber line.

[0020] Furthermore, the fiber line cutting device comprises a cutter that can be raised and lowered, and wire pressing posts are fixedly connected to both sides of the cutter, and the top end of the cutter is in rolling contact with the wire cutting boss via a roller.

[0021] Furthermore, a fiber line guide is fixedly connected to one side of the fixed disk, and the fiber line is guided into the turntable through the fiber line guide. The turntable has a plurality of pinholes evenly distributed in the circumferential direction, and a wire pressing plate is fixedly connected above the pinholes. The fiber line cutting device is fixedly connected to both sides of the wire pressing plate of the turntable.

[0022] Further, the puncture needle mechanism includes a cylinder fixing frame rotatably connected to the fixing disk and used for carrying the cylinder;

[0023] The cylinder piston rod is fixedly connected with a pricking needle;

[0024] The cylinder fixing bracket can be fixedly connected to the fixing plate at any angle via an angle adjuster.

[0025] Furthermore, the turntable wiring platform includes four fixed disks and the turntable, and the turntables are driven by a synchronous belt, wherein a fiber line bracket is fixedly connected above the fixed disk, and the fiber line bracket is fixedly connected to a plurality of fiber line wheels.

[0026] Furthermore, the movable platform is provided with a second lead screw connected to the second motor, and second guide rails arranged on both sides of the second lead screw;

[0027] The second lead screw is in spiral transmission with the workbench;

[0028] The second guide rail is slidably connected to the workbench.

[0029] Furthermore, a fixed frame is fixedly connected to one side of the movable platform, the fixed frame is rotatably connected to a third lead screw which is spirally driven with the turntable and wiring platform, and the fixed frame is provided with third guide rails which are slidably connected with the turntable and wiring platform on both sides of the third lead screw;

[0030] The third lead screw and the second lead screw are driven by a synchronous belt.

[0031] Furthermore, it also includes a programming console, and the control system of the programming console is connected to the first motor, the second motor, and the third motor circuit.

[0032] In the above technical solution, the 3D core material weaving equipment provided by the present invention has the following beneficial effects:

[0033] The core material woven by this 3D core material weaving equipment has a delicate and uniform appearance. It fully meets the structural and design requirements in terms of improving efficiency and precision, and realizes efficient and precise weaving of core materials. It is simple to operate and easy to use, thereby improving work efficiency, increasing product qualification rate and reducing production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0035] Figure 1 is an axonometric view of the 3D core material braiding device disclosed in the present invention;

[0036] Figure 2 It is an axonometric view of the 3D core material braiding device disclosed in the present invention from another perspective;

[0037] Figure 3 yes Figure 2 A partial enlarged view of

[0038] Figure 4 It is a front view of the 3D core material braiding device disclosed in the present invention;

[0039] Figure 5 It is a left view of the 3D core material braiding device disclosed in the present invention;

[0040] Figure 6 is a top view of the 3D core material braiding device disclosed in the present invention;

[0041] Figure 7 This is the main view of the 3D core material weaving completed state;

[0042] Figure 8 This is a top view of the completed 3D core material weaving.

[0043] Description of reference numerals:

[0044] 10. Programming console;

[0045] 20. bracket; 21. crossbeam; 22. first motor; 221. motor mounting seat; 23. first guide rail;

[0046] 30. Core material clamping mechanism; 31. Core material bracket; 32. Core material fixing plate; 33. Core material bottom bracket; 34. Connecting plate;

[0047] 40. Weaving mechanism; 41. Moving platform; 411. Fixed frame; 412. Second guide rail; 413. Second lead screw; 414. Second motor; 415. Third guide rail; 42. Workbench; 43. Turntable wire platform; 431. Fixed plate; 432. Connecting shaft; 433. Turntable; 434. Wire-breaking boss; 435. Third motor; 436. Third motor mounting seat; 437. Fiber line guide; 438. Wire pressing plate; 439. Wire passing hole;

[0048] 50. Fiber line support; 51. Fiber line wheel;

[0049] 60. Fiber line cutting device; 61. Cutter; 62. Wire pressing column;

[0050] 70. Needle mechanism; 71. Cylinder fixing frame; 711. Cylinder; 72. Angle adjuster; 73. Needle;

[0051] 80. Synchronous belt. DETAILED DESCRIPTION

[0052] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0053] See also Figure 1 As shown;

[0054] Invent 3D core material weaving equipment, including:

[0055] Bracket 20;

[0056] A core material clamping mechanism 30, which is disposed on the bracket 20, and the core material clamping mechanism 30 has a core material bracket 31 for fixing the core material;

[0057] A weaving mechanism 40, which includes a movable platform 41, a workbench 42 slidably connected to the movable platform 41 and moving perpendicularly to the displacement direction of the movable platform 41, and a turntable wiring platform 43; and

[0058] A second motor 414 for driving the workbench 42 and the turntable wiring platform 43 to move;

[0059] The bracket 20 is fixedly connected with a first motor 22 for driving the movable platform 41 to move, and the turntable wiring platform 43 is fixedly connected with a third motor 435 for driving the fiber line to be routed;

[0060] It also includes a needle mechanism 70 fixedly connected to one side of the turntable wiring platform 43, for inserting the fiber line of the weaving mechanism 40 into the core material. Preferably, it also includes a programming console 10, and the control system of the programming console 10 is connected to the first motor 22, the second motor 414, and the third motor 435.

[0061] For details, see Figure 1 As shown, both ends of the bracket 20 are fixedly connected with beams 21, and a first lead screw is rotatably connected between the two beams 21, one of the beams 21 is fixedly connected with a first motor 22 through a motor mounting seat 221, the first motor 22 and the first lead screw are driven by a synchronous belt 80, the first lead screw and the moving platform 41 are spirally driven, the two sides of the bracket 20 are fixedly connected with first guide rails 23, the first guide rails 23 are slidably connected with the moving platform 41, and the core material bracket 31 of the core material clamping mechanism 30 is arranged above the beam 21, and the core material is supported by the core material bracket 31;

[0062] The weaving mechanism 40 includes a moving platform 41, a workbench 42, and a turntable wiring platform 43;

[0063] The two ends of the mobile platform 41 are slidably connected to the first guide rail 23 through a slide groove, and the middle part is spirally driven by a nut and a first lead screw. The mobile platform 41 is slidably connected to the workbench 42 and the turntable wiring platform 43 perpendicular to the first guide rail 23. A second motor 414 is fixedly connected to one end of the mobile platform 41. The second motor 414 synchronously drives the workbench 42 and the turntable wiring platform 43 to move, so that the workbench 42 and the turntable wiring platform 43 can move along the Y axis and the X axis on the bracket 20 under the drive of the mobile platform 41. A third motor 435 for driving the fiber line wiring is fixedly connected above the turntable wiring platform 43.

[0064] The needle mechanism 70 is fixedly connected to one side of the turntable wiring platform 43, and moves with the turntable wiring platform 43, while intermittently inserting the fiber line into the core material to achieve efficient and accurate weaving of the 3D core material.

[0065] See also Figure 1 , 6 As shown;

[0066] Preferably, the core material clamping mechanism 30 further includes two L-shaped core material bottom brackets 33 and a core material fixing pressure plate 32 mounted on the core material bottom brackets 33 . Both ends of the core material bottom brackets 33 can be fixedly connected to the core material bracket 31 at any position through a connecting plate 34 .

[0067] Specifically, the core material clamping mechanism 30 includes two core material brackets 31 fixedly connected to the crossbeam 21, two core material bottom brackets 33 are connected between the two core material brackets 31 through a connecting plate 34, an L-shaped support plate is fixedly connected to one side of the core material bottom bracket 33, and the core material is supported by the support plate, and a fixed pressing plate 32 is installed in the middle of the core material bottom bracket 33;

[0068] When installing the core material, the core material is placed on the support plate of the core material bottom support 33, and the fixed pressing plate 32 presses the core material from above the core material, wherein the connecting plate 34 of the core material clamping mechanism 30 is slidably connected with the core material bracket 31, and can be fixed on the core material bracket 31 at any position through a bolt assembly, thereby making the distance between the two core material bottom supports 33 adjustable, so that the core material clamping structure 30 can match the core material of any width;

[0069] See also Figure 1 , 2 As shown;

[0070] Preferably, at least one fixed disk 431 and a rotating disk 433 rotatably connected to the fixed disk 431 are fixedly connected to the rotating disk routing platform 43;

[0071] The third motor 435 is fixedly connected to the rotating disk 433 via the connecting shaft 432;

[0072] A wire breaking boss 434 protruding from the lower surface of the fixing disk 431 is fixedly connected to the side of the fixing disk 431;

[0073] A plurality of fiber line cutting devices 60 capable of being raised and lowered are evenly distributed around the upper surface of the turntable 433;

[0074] In the working state, the fiber line cutting device 60 rotates with the rotating disk 433 and contacts the line-breaking boss 434 , and moves downward under the push of the line-breaking boss 434 to cut the fiber line.

[0075] Specifically, a fixed disk 431 is fixedly connected to the turntable wiring platform 43, and a turntable 433 is rotatably connected to the lower part of the fixed disk 431. A third motor 435 is fixedly connected to the upper part of the fixed disk 431 through a third motor mounting seat 436, and a power output shaft of the third motor 435 is fixedly connected to the turntable 433 through a connecting shaft 432;

[0076] A wire-breaking boss 434 is fixedly connected to the side of the fixed disk 431, and the wire-breaking boss 434 protrudes from the lower surface of the fixed disk 431. A plurality of fiber wire cutting devices 60 are installed on the upper surface of the rotating disk 433, and the plurality of fiber wire cutting devices 60 are evenly distributed circumferentially on the upper surface of the rotating disk 433. Each fiber wire cutting device 60 can contact with the wire-breaking boss 434. A needle hole is provided between two adjacent fiber wire cutting devices 60 on the rotating disk 433. A needle mechanism 70 is installed on one side of the rotating disk wiring platform 43. When the rotating disk 433 rotates, the needles 73 of the needle mechanism 70 can correspond to the needle holes at different positions.

[0077] When working, see Figure 3 As shown, the third motor 435 is started and drives the turntable 433 to rotate, and the fiber line cutting device 60 rotates synchronously with the turntable 433. When the fiber line cutting device 60 rotates to the wire breaking boss 434, it moves downward under the push of the wire breaking boss 434 to cut the fiber line. The cut fiber line continues to rotate, and when it rotates to the position of the needle mechanism 70, the needle 73 extends to pierce the fiber line into the core material.

[0078] See also Figure 3 As shown;

[0079] Preferably, the fiber line cutting device 60 includes a cutter 61 that can be raised and lowered, and wire pressing posts 62 are fixedly connected to both sides of the cutter 61. The top end of the cutter 61 is in rolling contact with the wire breaking boss 434 through a roller.

[0080] Specifically, the body of the fiber line cutting device 60 is fixedly connected to the rotating disk 433, and the body of the fiber line cutting device 60 has a wiring groove, in which the fiber line is routed, and the body of the fiber line cutting device 60 is located above the wiring groove and is equipped with a cutter 61 that can extend into the wiring groove. The initial state of the cutter 61 is a raised state, and when encountering the wire breaking boss 434, it drops and cooperates with the fixed blade body fixedly connected to the body of the fiber line cutting device 60 to cut the fiber line, and the cutter 61 automatically resets after passing over the wire breaking boss 434 and returns to the initial state (the raising and resetting of the cutter 61 can be achieved by driving a compression spring in the prior art);

[0081] In order to ensure the stability of the fiber line when cutting, the two sides of the cutter 61 are fixedly connected with the pressing posts 62, and the pressing posts 62 rise and fall synchronously with the cutter 61. When the cutter 61 cuts the fiber line, the pressing posts 62 press the line synchronously on both sides of the cutter 61;

[0082] In addition, in order to ensure that the cutter 61 passes smoothly over the wire breaking boss 434, a roller is rotatably connected to the top of the cutter 61, and the roller is in rolling contact with the wire breaking boss 434;

[0083] See also Figure 3 As shown;

[0084] Preferably, a fiber line guide 437 is fixedly connected to one side of the fixed disk 431, and the fiber line is guided into the turntable 433 through the fiber line guide 437. The turntable 433 has multiple pinholes evenly distributed around the circumference, and a wire pressing plate 438 is fixedly connected above the pinholes. The turntable 433 is located on both sides of the wire pressing plate 438. Fiber line cutting devices 60 are fixedly connected.

[0085] Specifically, in this structure, a plurality of pinholes are evenly distributed around the edge of the turntable 433, a wire pressing plate 438 is fixedly connected above the pinholes, and a fiber line cutting device 60 is fixedly connected to both sides of the wire pressing plate 438 of the turntable 433. In order to ensure that the fiber line is smoothly introduced into the turntable 433, a fiber line guide 437 is fixedly connected to one side of the fixed disk 431, and the fiber line is guided by the fiber line guide 437. Among them, the fixed disk 431 is provided with a wire passing hole 439 located below the fiber line guide 437, and the fiber line enters the turntable 433 through the wire passing hole 439;

[0086] See also Figure 3 As shown;

[0087] Preferably, the puncture mechanism 70 comprises a cylinder fixing frame 71 rotatably connected to the fixing disk 431 and used for carrying the cylinder 711;

[0088] The piston rod of the cylinder 711 is fixedly connected with a needle 73;

[0089] The cylinder fixing bracket 71 can be fixedly connected to the fixing plate 431 at any angle via the angle adjuster 72 .

[0090] Specifically, one end of the cylinder fixing frame 71 is rotatably connected to the fixing plate 431, one side of the cylinder fixing frame 71 is provided with an angle adjuster 72, the angle adjuster 72 has a plurality of positioning holes, and the positioning pins on the fixing plate 431 can cooperate with the positioning holes at different positions to lock the cylinder fixing frame 71 at different angles, and the other side of the cylinder fixing frame 71 is fixedly connected with a cylinder 711, and the piston rod of the cylinder 711 is fixedly connected with a needle 73;

[0091] See also Figure 2 As shown;

[0092] Preferably, the turntable routing platform 43 includes four fixed disks 431 and a turntable 433, and the turntables 433 are driven by a synchronous belt 80, that is, a third motor 435 synchronously drives the four turntables 433 to rotate, wherein, in order to facilitate the routing of the fiber line, a fiber line support 50 is also fixedly connected above the fixed disk 431, and the fiber line support 50 is fixedly connected to a fiber line wheel 51 whose number matches the number of turntables 433.

[0093] See also Figure 4 , 5 , as shown in 6;

[0094] Preferably, the movable platform 41 is provided with a second lead screw 413 connected to the second motor 414 and second guide rails 412 arranged on both sides of the second lead screw 413;

[0095] The second lead screw 413 is spirally driven with the workbench 42, and the second guide rail 412 is slidably connected with the workbench 42, wherein the workbench 42 is located below the core material; preferably, a fixed frame 411 is fixedly connected to one side of the movable platform 41, and the fixed frame 411 is rotatably connected with a third lead screw spirally driven with the turntable wiring platform 43, and the fixed frame 411 is located on both sides of the third lead screw and is provided with a third guide rail 415 slidably connected with the turntable wiring platform 43; the third lead screw and the second lead screw 413 are driven by a synchronous belt 80. When the second motor 414 is started, the third lead screw and the second lead screw 413 rotate synchronously, and synchronously drive the workbench 42 and the turntable wiring platform 43 to move along the X-axis;

[0096] In the above technical solution, the 3D core material weaving equipment provided by the present invention;

[0097] Directions:

[0098] See also Figure 1 As shown;

[0099] The core material is placed between the two core material bottom brackets 33 of the core material clamping mechanism 30, and the core material is pressed onto the core material bottom brackets 33 by the core material fixing plate 32;

[0100] The movable platform 41, the workbench 42, the turntable 43, and the needle 73 of the weaving mechanism 40 are located at the initial position, and the fiber line is wound on the turntable 433;

[0101] The control system of the programming console 10 controls the first motor 22, the second motor 414, and the third motor 435 to work respectively;

[0102] The third motor 435 is started to drive the turntable 433 to rotate, the fiber line cutting device 60 cuts the fiber line and reserves the cut fiber line on the turntable 433, the turntable 433 continues to rotate, and the cut fiber line is sent to the position of the needle mechanism 70. At this time, according to the knitting requirements, the cylinder 711 is controlled by the control system, and the piston rod drives the needle 73 to extend, and the cut fiber line is inserted into the core material to complete the knitting of the first needle (of course, according to the actual knitting requirements, the workbench 42 and the turntable wiring table 43 can also be moved first, and then the cylinder 711 performs the first needle knitting action);

[0103] After the first stitch is completed, the rotary disc 433 continues to rotate, and the cut fiber line continues to be sent to the needle mechanism 70 position to perform the second stitch.

[0104] When knitting the second needle, the second motor 414 works, synchronously drives the second screw 413 and the third screw to drive the workbench 42 and the turntable wiring table 43 to move along the X-axis by a spacing, and the piston rod of the cylinder 711 drives the needle 73 to extend, and the cut fiber line is inserted into the core material to complete the knitting of the second needle, and the above actions are repeated until the first row of knitting of the core material is completed;

[0105] After the first row of weaving is completed, the first motor 22 works, and the first lead screw drives the movable platform 41 to move along the Y axis by a spacing, and the workbench 42, the turntable wiring platform 43, and the needle 73 repeat the above actions to complete the second row of weaving of the core material, and so on, to achieve the weaving work of the core material in rows and columns. Figure 7 , 8 As shown;

[0106] Beneficial effect: the core material woven by the 3D core material weaving equipment is delicate and uniform in appearance, and can fully meet the structural and design requirements in terms of improving efficiency and precision, thereby achieving efficient and precise weaving of core materials, simple operation and easy use, thereby improving work efficiency, increasing product qualification rate and reducing production costs.

[0107] The above description is only by way of illustration of certain exemplary embodiments of the present invention. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. 3D core material weaving equipment, characterized in that: include: Bracket (20); A core material clamping mechanism (30) disposed on the bracket (20), the core material clamping mechanism (30) having a core material bracket (31) for fixing the core material; A weaving mechanism (40) comprising a movable platform (41), a workbench (42) slidably connected to the movable platform (41) and movable perpendicularly to the displacement direction of the movable platform (41), and a turntable wiring platform (43); and A second motor (414) for driving the workbench (42) and the turntable wiring platform (43) to move; The bracket (20) is fixedly connected to a first motor (22) for driving the movable platform (41) to move, and the turntable wiring platform (43) is fixedly connected to a third motor (435) for driving the fiber line to move. It also includes a needle mechanism (70) fixedly connected to one side of the turntable wiring platform (43) and used for piercing the fiber thread of the braiding mechanism (40) into the core material; The turntable wiring platform (43) is fixedly connected to at least one fixed disk (431) and the turntable (433) rotatably connected to the fixed disk (431); Wherein, a plurality of fiber line cutting devices (60) capable of being raised and lowered are evenly distributed in the circumferential direction on the upper surface of the rotating disk (433); In the working state, the fiber line cutting device (60) rotates along with the turntable (433) and contacts the wire breaking boss (434) of the turntable wire routing platform (43), and moves downward under the push of the wire breaking boss (434) to cut the fiber line.

2. The 3D core material braiding device according to claim 1, characterized in that; The core material clamping mechanism (30) further comprises two L-shaped core material bottom brackets (33) and a core material fixing pressure plate (32) mounted on the core material bottom brackets (33), and both ends of the core material bottom brackets (33) can be fixedly connected to the core material bracket (31) via a connecting plate (34).

3. The 3D core material braiding device according to claim 1, characterized in that; The third motor (435) is fixedly connected to the rotating disk (433) via a connecting shaft (432); The side of the fixing disk (431) is fixedly connected with the wire breaking boss (434) protruding from the lower surface of the fixing disk (431).

4. The 3D core material braiding device according to claim 3, characterized in that ； The fiber line cutting device (60) comprises a cutter (61) that can be raised and lowered, with wire pressing posts (62) fixedly connected to both sides of the cutter (61), and the top end of the cutter (61) in rolling contact with the wire cutting boss (434) via a roller.

5. The 3D core material braiding device according to claim 3, It is characterized by: A fiber line guide (437) is fixedly connected to one side of the fixed disk (431), and the fiber line is guided into the rotating disk (433) through the fiber line guide (437). The rotating disk (433) has a plurality of needle holes evenly distributed in the circumference, and a wire pressing plate (438) is fixedly connected above the needle holes. The fiber line cutting device (60) is fixedly connected to both sides of the wire pressing plate (438) of the rotating disk (433).

6. The 3D core material braiding device according to claim 3, characterized in that; The puncture needle mechanism (70) comprises a cylinder fixing frame (71) rotatably connected to the fixing disk (431) and used for supporting the cylinder (711); The piston rod of the air cylinder (711) is fixedly connected with a puncture needle (73); The cylinder fixing frame (71) can be fixedly connected to the fixing plate (431) at any angle via an angle adjuster (72).

7. The 3D core material braiding device according to claim 3, characterized in that ； The turntable wiring platform (43) comprises four fixed disks (431) and the turntable (433), and the turntables (433) are driven by a synchronous belt (80).

8. The 3D core material braiding device according to claim 1, characterized in that ； The movable platform (41) is provided with a second lead screw (413) connected to the second motor (414), and second guide rails (412) arranged on both sides of the second lead screw (413); The second lead screw (413) and the workbench (42) are in spiral transmission; The second guide rail (412) is slidably connected to the workbench (42).

9. The 3D core material braiding device according to claim 8, characterized in that ； A fixed frame (411) is fixedly connected to one side of the movable platform (41), the fixed frame (411) is rotatably connected to a third lead screw that is spirally driven with the turntable wiring platform (43), and third guide rails (415) that are slidably connected to the turntable wiring platform (43) are arranged on both sides of the third lead screw of the fixed frame (411); The third lead screw and the second lead screw (413) are driven by a synchronous belt (80).

10. The 3D core material braiding device according to claim 1, characterized in that ； It also includes a programming console (10), wherein a control system of the programming console (10) is connected to the first motor (22), the second motor (414), and the third motor (435) in an electrical circuit.

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