A three-dimensional fabric opening transfer device and method

Abstract

The application discloses a kind of three-dimensional fabric opening transmission device and method, device includes including opening frame, warp matrix, transmission mechanism, active transmission mechanism and driven transmission mechanism, one end of the warp matrix is weaving mouth, the other end of the warp matrix is radially through the opening frame, forms interlayer opening passage, the transmission mechanism is set between the opening frame and weaving mouth, the active transmission mechanism and driven transmission mechanism are symmetrically set on the two sides of the transmission mechanism, can synchronous motion along the warp direction, for the quick and stable transmission of opening, and also include transmission method, the application realizes the long-stroke quick and stable transmission between opening and weaving mouth by the cooperation between transmission mechanism, active transmission mechanism and driven transmission mechanism, ensure the stability of weaving mouth height position and the consistency of product size specification, to improve the weaving efficiency and product quality of three-dimensional fabric.

Description

Technical Field

[0001] This invention relates to the field of textile technology, and in particular to a three-dimensional fabric opening transfer device and method. Background Technology

[0002] With the continuous improvement of the requirements for 3D fabrics due to the development of aerospace technology, the urgent need for 3D fabric forming equipment to evolve from manual to automated processes is also growing. 3D fabrics are mostly formed using fixed-length weaving processes, which include five major movements: warp feeding, shedding, beat-up, weft insertion, and traction. They are characterized by flexible structure, strong designability, and short cycle time.

[0003] Due to the characteristics of the process, warp yarns are mostly arranged radially in space. Because the distance between the sheath and the weave stop is relatively long, the warp yarns will squeeze each other at the weave stop, making the weave stop smaller and making it difficult to introduce the weft yarn. Furthermore, the height of the weave stop is unstable in the thickness direction, often requiring manual assistance to transfer the sheath. This results in low automation and poor consistency in the dimensions of the prefabricated structure. To improve the stability and weaving efficiency of three-dimensional fabrics, there is an urgent need for a sheath transfer device and method to achieve rapid and stable transfer over a long distance between the sheath and the weave stop, ensuring the stability of the weave stop height and improving the consistency of product dimensions. Summary of the Invention

[0004] The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be construed as limiting the scope of the invention.

[0005] The technical problem to be solved by this invention is how to improve the weaving efficiency and product quality of three-dimensional fabrics.

[0006] To solve the above-mentioned technical problems, the present invention provides the following technical solution: a three-dimensional fabric opening transfer device, comprising an opening frame, a warp matrix, a transfer mechanism, an active transfer mechanism, and a driven transfer mechanism. One end of the warp matrix is ​​the weave opening, and the other end of the warp matrix radially passes through the opening frame to form an interlayer opening channel. The transfer mechanism is disposed between the opening frame and the weave opening. The active transfer mechanism and the driven transfer mechanism are symmetrically disposed on both sides of the transfer mechanism and can move synchronously along the warp feed direction for rapid and stable opening transfer.

[0007] As a preferred embodiment of the three-dimensional fabric opening transfer device of the present invention, the active transfer mechanism can realize multi-degree-of-freedom spatial movement to facilitate the transfer of openings. It includes an active lifting module, an active rotating mechanism, and a layered advance mechanism. The active lifting module is disposed on the transfer mechanism, the active rotating mechanism is disposed on the active lifting module, and the layered advance mechanism is disposed on the active rotating mechanism. The active lifting module, the active rotating mechanism, and the layered advance mechanism are connected in series and linked. The layered advance mechanism can rotate around the z-axis under the drive of the active rotating mechanism, so that the layered advance mechanism within the warp matrix can swing up and down, thereby facilitating the combing and layering of the sticky warp yarns.

[0008] As a preferred embodiment of the three-dimensional fabric opening transfer device of the present invention, the driven transfer mechanism includes a driven lifting module and a locking compensation mechanism, wherein the driven lifting module is disposed on the transfer mechanism and the locking compensation mechanism is disposed on the driven lifting module;

[0009] The locking compensation mechanism includes a locking mechanism and a position follower compensation mechanism. The locking mechanism is movably mounted on the follower lifting module, and the position follower compensation mechanism is mounted on the locking mechanism.

[0010] In a preferred embodiment of the three-dimensional fabric opening transfer device of the present invention, the layered precession mechanism includes a precession drive and a transfer rod. The precession drive is disposed on the active rotation mechanism, and the transfer rod is disposed on the precession drive. The transfer rod can move along the y-axis under the action of the precession drive.

[0011] As a preferred embodiment of the three-dimensional fabric opening transfer device of the present invention, the transfer rod has a toothed structure, and the end of the transfer rod is flexibly and floatingly connected to a conical tip, so as to facilitate the positioning of the transfer rod and capture the current warp layer, and play a certain role in buffering and length compensation.

[0012] In a preferred embodiment of the three-dimensional fabric opening transfer device of the present invention, the locking mechanism includes a locking frame, a locking inner sleeve, a locking outer sleeve, a steel ball, and a locking drive. The locking frame is disposed on the driven lifting module, the locking inner sleeve is disposed on the locking frame so that the locking inner sleeve can rotate around the locking frame, the locking outer sleeve is sleeved on the locking inner sleeve, the entrance end of the locking outer sleeve is provided with a wedge-shaped step, the steel ball is disposed on the locking inner sleeve, and the locking drive is disposed on the locking outer sleeve.

[0013] In a preferred embodiment of the three-dimensional fabric opening transmission device of the present invention, the posture follower compensation mechanism includes a male reset block, a female reset block, and a reset drive. The male reset block and the female reset block are a pair of complementary rotary wedge blocks. The rotary wedge blocks are disposed on the locking frame. The male reset block is fixedly connected to the locking inner sleeve. The reset drive is disposed on the female reset block. When the locking mechanism undergoes an angular deflection, the reset drive acts on the female reset block to restore the locking mechanism to its initial position.

[0014] As a preferred embodiment of the three-dimensional fabric shedding transfer device of the present invention, the transfer mechanism includes a frame, two sets of transmission guide mechanisms, two first moving platforms, and a shedding transfer drive. The frame is disposed at the bottom of the warp matrix, the two sets of transmission guide mechanisms are symmetrically disposed on both sides of the frame, the two first moving platforms are symmetrically disposed on the transmission guide mechanisms, the shedding transfer drive is disposed on the first moving platforms, and the active lifting module and the driven lifting module are correspondingly disposed on the two first moving platforms, so that the active and driven transfer mechanisms move in a Cartesian coordinate system.

[0015] In a preferred embodiment of the three-dimensional fabric opening transfer device of the present invention, the transfer mechanism includes two toothed rods and two second moving platforms. The two toothed rods are symmetrically arranged on both sides of the warp matrix. The active lifting module and the driven lifting module are symmetrically arranged on both sides of the opening frame. One end of each of the two toothed rods is connected to the active lifting module and the driven lifting module, respectively. The two second moving platforms are symmetrically arranged on the toothed rods. The layered advance mechanism and the locking compensation mechanism are correspondingly arranged on the two second moving platforms, so that the active and driven transfer mechanisms move in polar coordinate form.

[0016] A method for transferring openings in three-dimensional fabrics, comprising the aforementioned three-dimensional fabric opening transfer device, includes the following steps:

[0017] Step 1: The transmission mechanism synchronously drives the main and driven transmission mechanisms to the junction of the warp matrix and the sheath frame;

[0018] Step 2: The master and slave lifting modules drive the layering precession mechanism and the locking compensation mechanism to synchronously position themselves to the current opening layer, respectively;

[0019] Step 3: The precession drive drives the transfer rod through the current opening layer of the warp matrix, and the tip cone at the end of the transfer rod enters the locking inner sleeve;

[0020] Step 4: Lock the drive to lock the outer casing and tighten the tip cone;

[0021] Step 5: The transmission mechanism drives the main and driven transmission mechanisms to move synchronously, transferring the sheath to the weft insertion position and starting the weft insertion;

[0022] Step 6: After weft insertion is completed, lock the outer jacket and release the tip cone.

[0023] Step 7: The precession drive push rod returns to its initial position;

[0024] Step 8: Repeat steps 1 to 7 until the weaving is complete.

[0025] The beneficial effects of this invention are as follows: by cooperating with the transfer mechanism, the active transfer mechanism and the driven transfer mechanism, a fast and stable long-stroke transfer between the opening and the weaving point is achieved, ensuring the stability of the weaving point height position and the consistency of product size specifications, thereby improving the weaving efficiency and product quality of three-dimensional fabrics. Attached Figure Description

[0026] To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Wherein:

[0027] Figure 1 This is a schematic diagram of the overall structure of the three-dimensional fabric opening transfer device in Example 1.

[0028] Figure 2 This is a schematic diagram of the transmission rod in a three-dimensional fabric opening transmission device.

[0029] Figure 3 A schematic diagram of the locking mechanism for the locking tip cone of a three-dimensional fabric opening transfer device.

[0030] Figure 4 This is a schematic diagram of the posture follower compensation mechanism for a three-dimensional fabric opening transmission device.

[0031] Figure 5 This is a schematic diagram of the overall structure of the three-dimensional fabric opening transfer device in Example 2.

[0032] Figure 6 This is a schematic diagram of the overall structure of another three-dimensional fabric opening transfer device in Example 2.

[0033] In the diagram: 1. Opening frame; 2. Warp matrix; 3. Active transmission mechanism; 31. Active lifting module; 32. Active rotation mechanism; 33. Layered precession mechanism; 331. Precession drive; 332. Transmission rod; 333. Tip cone; 4. Driven transmission mechanism; 41. Driven lifting module; 42. Locking compensation mechanism; 421. Locking mechanism; 4211. Locking frame; 4212. Locking drive; 4213. Locking inner sleeve; 4214. Locking outer sleeve; 4215. Steel ball; 422. Position and posture driven compensation mechanism; 4221. Male reset block; 4222. Female reset block; 4223. Reset drive; 5. Transmission mechanism; 51. Frame; 52. Opening transmission drive; 53. Transmission guide mechanism; 54. First moving platform; 55. Gear rack; 56. Second moving platform. Detailed Implementation

[0034] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0035] Many specific details are set forth in the following description in order to provide a full understanding of the invention. However, the invention may also be practiced in other ways different from those described herein, and those skilled in the art can make similar extensions without departing from the spirit of the invention. Therefore, the invention is not limited to the specific embodiments disclosed below.

[0036] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation 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 single or selective embodiment that is mutually exclusive with other embodiments.

[0037] Example 1

[0038] Reference Figures 1-4 This is the first embodiment of the present invention. This embodiment provides a three-dimensional fabric opening transfer device, which includes an opening frame 1, a warp matrix 2, a transfer mechanism 5, an active transfer mechanism 3, and a driven transfer mechanism 4. One end of the warp matrix 2 is the weave opening, and the other end of the warp matrix 2 passes through the opening frame 1 radially to form an interlayer opening channel. The transfer mechanism 5 is disposed between the opening frame 1 and the weave opening. The active transfer mechanism 3 and the driven transfer mechanism 4 are symmetrically disposed on both sides of the transfer mechanism 5 for rapid and stable transfer of the opening.

[0039] The opening frame 1 has a rectangular structure. One end of the warp matrix 2 radiates through the opening frame 1, forming an interlayer opening channel. The other end of the warp matrix 2 is the weft opening, located directly in front of the opening frame 1. The distance between the opening and the weft opening is relatively large, which causes the warp yarns at the weft opening position to squeeze each other, making the weft opening smaller and making it difficult to introduce the weft yarn. Furthermore, the height position of the weft opening in the thickness direction is unstable, resulting in poor consistency of the prefabricated body size specifications. In this embodiment, a transfer mechanism 5 is installed between the opening frame 1 and the weft opening. An active transfer mechanism 3 and a driven transfer mechanism 4 are symmetrically installed on both sides of the transfer mechanism 5, so that the active transfer mechanism 3 and the driven transfer mechanism 4 can move synchronously along the warp feed direction. Through the cooperation between the transfer mechanism 5, the active transfer mechanism 3, and the driven transfer mechanism 4, a fast and stable long-stroke transfer between the opening and the weft opening is achieved, ensuring the stability of the weft opening height position and the consistency of the product size specifications, thereby improving the weaving efficiency and product quality of the three-dimensional fabric.

[0040] Specifically, the transmission mechanism 5 includes a frame 51, two sets of transmission guide mechanisms 53, two first moving platforms 54, and an sheath transmission drive 52. The frame 51 is located at the bottom of the warp matrix 2. The two sets of transmission guide mechanisms 53 are symmetrically arranged on both sides of the frame 51. The two first moving platforms 54 are symmetrically arranged on the transmission guide mechanisms 53. The sheath transmission drive 52 is arranged on the first moving platform 54. The active lifting module 31 and the driven lifting module 41 are correspondingly arranged on the two first moving platforms 54.

[0041] The transmission mechanism 5 in this embodiment mainly consists of a frame 51, two sets of transmission guide mechanisms 53, two first moving platforms 54, and an open-end transmission drive 52. A mounting frame 51 is installed at the bottom of the warp matrix 2. Two sets of transmission guide mechanisms 53 are symmetrically installed on the left and right sides of the frame 51. It should be noted that the structure of the transmission guide mechanism 53 in this embodiment includes, but is not limited to, gear and rack transmission and synchronous belt transmission. This embodiment takes gear and rack transmission as an example. Two racks are symmetrically installed on the left and right sides of the frame 51, and the two first moving platforms 54 are symmetrically slidably mounted on the two racks. An open-end transmission drive 52 is installed on the mobile platform 54. In this embodiment, the open-end transmission drive 52 can be a motor or other driving method. A gear is installed on the output shaft of the motor, and the gear meshes with a rack. The active lifting module 31 of the active transmission mechanism 3 and the driven lifting module 41 of the driven transmission mechanism 4 are respectively installed on the upper surfaces of the two first mobile platforms 54, so that the transmission guide mechanism 53 can drive the active transmission mechanism 3 and the driven transmission mechanism 4 to move synchronously through the first mobile platform 54. In this embodiment, the active and driven transmission mechanisms can move in a Cartesian coordinate system, that is, as shown in the figure. Figure 1As shown, in this embodiment, a Cartesian coordinate system is defined with the warp centerline as the z-axis, the vertical upward direction as the x-axis, and the direction perpendicular to the warp centerline as the y-axis.

[0042] Specifically, the active transmission mechanism 3 includes an active lifting module 31, an active rotation mechanism 32, and a layered precession mechanism 33. The active lifting module 31 is mounted on the transmission mechanism 5, the active rotation mechanism 32 is mounted on the active lifting module 31, and the layered precession mechanism 33 is mounted on the active rotation mechanism 32. The active lifting module 31, the active rotation mechanism 32, and the layered precession mechanism 33 are connected in series. Specifically, the layered precession mechanism 33 includes a precession drive 331 and a transmission rod 332. The precession drive 331 is mounted on the active rotation mechanism 32, and the transmission rod 332 is mounted on the precession drive 331. Further, the transmission rod 332 has a toothed rod structure 55, and the end of the transmission rod 332 is flexibly and floatingly connected to a conical tip cone 333.

[0043] The active transmission mechanism 3 in this embodiment can realize multi-degree-of-freedom spatial movement to facilitate the transmission of openings. It mainly consists of an active lifting module 31, an active rotation mechanism 32, and a layered precession mechanism 33. The active lifting module 31 is installed on the first moving platform 54 on the left side of the frame 51. It should be noted that the active lifting module 31 in this embodiment includes, but is not limited to, gear and rack transmission and synchronous belt transmission. This embodiment takes gear and rack transmission as an example. The rack is vertically installed on the first moving platform 54, and the rack is slidably mounted on a fixed frame. A drive motor is installed on the fixed frame, and a gear is installed on the output shaft of the motor. The gear meshes with the rack, and the active rotation mechanism 32 is installed on the fixed frame to realize... The active rotating mechanism 32 moves up and down on the x-axis. A layered precession mechanism 33 is installed on the active rotating mechanism 32. In this embodiment, the active rotating mechanism 32 mainly consists of a servo motor and a worm gear. The servo motor drives the worm gear, so that the layered precession mechanism 33 can rotate around the z-axis under the drive of the active rotating mechanism 32. This allows the transmission rod 332 in the layered precession mechanism 33, located within the warp matrix 2, to swing up and down at a certain angle in the xoy plane, thereby facilitating the sorting and layering of the sticky warp yarns. The layered precession mechanism 33 consists of a precession drive 331 and a transmission rod 332. The precession drive 331 can drive the transmission rod 332 to perform telescopic movement along the y-axis, such as... Figure 2As shown, the transmission rod 332 has a circular toothed rod 55 structure. While facilitating the extension and retraction of the transmission rod 332, the teeth on the outer surface of the transmission rod 332 can also comb and layer the warp yarns. At the end of the transmission rod 332, a conical tip cone 333 is flexibly floated by a spring. The tip cone 333 is also provided with a slot to facilitate the positioning of the transmission rod 332 and capture the current warp yarn layer, and also play a certain role in buffering and length compensation. When the active lifting module 31 drives the transmission rod 332 to be positioned at a certain opening layer, the precession drive 331 can drive the transmission rod 332 to move along the positive y-axis and pass through the interlayer opening. At the same time, the tip cone 333 can also separate the warp yarns that are stuck between the layers to ensure a clear opening.

[0044] Specifically, the driven transmission mechanism 4 includes a driven lifting module 41 and a locking compensation mechanism 42. The driven lifting module 41 is mounted on the transmission mechanism 5, and the locking compensation mechanism 42 is mounted on the driven lifting module 41. The locking compensation mechanism 42 includes a locking mechanism 421 and a position driven compensation mechanism 422. The locking mechanism 421 is movably mounted on the driven lifting module 41, and the position driven compensation mechanism 422 is mounted on the locking mechanism 421. Specifically, the locking mechanism 421 includes a locking frame 4211 and a locking inner sleeve 421. 3. Locking outer sleeve 4214, steel ball 4215 and locking drive 4212, locking frame 4211 is set on driven lifting module 41, locking inner sleeve 4213 is set on locking frame 4211 so that locking inner sleeve 4213 can rotate around locking frame 4211, locking outer sleeve 4214 is fitted on locking inner sleeve 4213, wedge-shaped step is provided at the entrance end of locking outer sleeve 4214, steel ball 4215 is set on locking inner sleeve 4213, and locking drive 4212 is set on locking outer sleeve 4214.

[0045] The driven transmission mechanism 4 mainly consists of a driven lifting module 41 and a locking compensation mechanism 42. The driven lifting module 41 is mounted on another first moving platform 54, and the locking compensation mechanism 42 is mounted on the driven lifting module 41. It is used to capture and lock the tip cone 333 of the advancing transmission rod 332, which not only ensures the stability of the transmission rod 332 during the opening transmission process, but also passively compensates for the change in posture angle when the active rotation mechanism 32 actively combs the warp yarn. It should be noted that the structure of the driven lifting module 41 is the same as that of the active lifting module 31, and it moves synchronously with the active lifting module 31 along the x-axis and z-axis. It will not be described in detail here. Specifically, the locking compensation mechanism 42 includes a locking mechanism 421 and a position follower. The compensation mechanism 422, wherein the locking mechanism 421 mainly consists of a locking frame 4211, a locking inner sleeve 4213, a locking outer sleeve 4214, a steel ball 4215, and a locking drive 4212. The locking frame 4211 is movably mounted on the fixed frame of the driven lifting module 41. The locking inner sleeve 4213 is mounted on the locking frame 4211 so that the locking inner sleeve 4213 can rotate around the locking frame 4211. The locking outer sleeve 4214 is fitted onto the locking inner sleeve 4213. A wedge-shaped step is provided at the entrance end of the locking outer sleeve 4214. A steel ball 4215 is also movably installed in the inner wall of the front end of the locking inner sleeve 4213. The locking drive 4212 is mounted on the locking outer sleeve 4214. Figure 3 As shown, when the tip cone 333 advances, it is inserted into the inner hole of the locking inner sleeve 4213. At this time, the locking outer sleeve 4214 moves in the negative y-axis direction under the action of the locking drive 4212. The wedge-shaped hole at the front end of the locking outer sleeve 4214 squeezes the steel ball 4215, causing it to embed into the groove of the tip cone 333, thereby completing the capture and locking of the transmission rod 332. When the transmission opening is reached, the main and driven transmission mechanisms move synchronously to the weaving position. At the same time, the active rotation mechanism 32 drives the transmission rod 332 to swing up and down to achieve the combing of the warp matrix 2 and reduce the mutual adhesion of the warp yarns.

[0046] Specifically, the posture follower compensation mechanism 422 includes a male reset block 4221, a female reset block 4222, and a reset drive 4223. The male reset block 4221 and the female reset block 4222 are a pair of complementary rotary wedge blocks. The male reset block 4221 is mounted on the locking frame 4211 and is fixedly connected to the locking inner sleeve 4213. The reset drive 4223 is mounted on the female reset block 4222.

[0047] like Figure 4As shown, the posture follower compensation mechanism 422 mainly consists of a male reset block 4221, a female reset block 4222, and a reset drive 4223. The male reset block 4221 and female reset block 4222 are a pair of complementary rotary wedge blocks, which are mounted on the locking frame 4211. The ends of the male reset block 4221 and female reset block 4222 opposite to each other are fixedly connected to the locking inner sleeve 4213, while the ends of the female reset block 4222 opposite to the male reset block 4221 are connected to the reset drive 4223. In this embodiment, the reset drive 4223 can be a reset spring. When locked... When mechanism 421 swings along with transmission rod 332, transmission rod 332 drives male reset block 4221 to move synchronously through locking inner sleeve 4213. During this process, female reset block 4222 slides back and forth along the inclined groove on male reset block 4221 under the action of reset spring, so as to realize the position and posture compensation of transmission rod 332 during the swing process, thereby enabling transmission rod 332 to better comb and layer the warp yarn at the weave. When the position and posture compensation is completed, female reset block 4222 returns to the initial position under the action of reset spring, so that the entire locking compensation mechanism 42 remains horizontal.

[0048] During operation, the motor of the shedding transmission drive 52 is first started. The motor drives the gear to rotate, and the gear meshes with the rack, so that the shedding transmission drive 52 can drive the active transmission mechanism 3 and the driven transmission mechanism 4 to move synchronously to the junction root between the yarn matrix and the shedding frame 1 via the first moving platform 54. Then, the drive motors on the active lifting module 31 and the driven lifting module 41 are started, so that the active lifting module 31 and the driven lifting module 41 can drive the layering advance mechanism 33 and the locking compensation mechanism 42 to be positioned synchronously to the current shedding layer. After positioning is completed, the advance drive 331 drives the transmission rod 332 to pass through the current shedding layer of the warp matrix 2, and the tip cone 333 at the end of the transmission rod 332 extends into the locking inner sleeve 42. In step 13, the locking drive 4212 is activated to drive the locking jacket 4214 to move in the negative y-axis direction. The wedge-shaped hole at the front end of the locking jacket 4214 squeezes the steel ball 4215, causing it to embed into the groove of the tip cone 333, thereby completing the capture and locking of the transfer rod 332. Then, the motor of the opening transfer drive 52 drives the active transfer mechanism 3 and the driven transfer mechanism 4 to move synchronously along the positive z-axis direction to quickly and stably transfer the opening to the weft insertion position. Finally, after the weft insertion is completed, the locking drive 4212 is activated to drive the locking jacket 4214 to move in the positive y-axis direction, releasing the tip cone 333, and the precession drive 331 is activated to drive the transfer rod 332 back to the initial position for the next opening transfer.

[0049] Example 2

[0050] Reference Figures 2-6This is the second embodiment of the present invention. The difference between this embodiment and the previous embodiment lies in the composition and structure of the transmission mechanism 5.

[0051] Specifically, the transmission mechanism 5 includes two racks 55 and two second moving platforms 56. The two racks 55 are symmetrically arranged on both sides of the warp matrix 2. The active lifting module 31 and the driven lifting module 41 are symmetrically arranged on both sides of the open frame 1. One end of each rack 55 is connected to the active lifting module 31 and the driven lifting module 41, respectively. The two second moving platforms 56 are symmetrically arranged on the racks 55. The layered advance mechanism 33 and the locking compensation mechanism 42 are correspondingly arranged on the two second moving platforms 56.

[0052] In this embodiment, the transmission mechanism 5 mainly consists of two racks 55 and two second moving platforms 56. The active lifting module 31 and the driven lifting module 41 are symmetrically installed on the left and right sides of the open frame 1. One end of each rack 55 is connected to the active lifting module 31 and the driven lifting module 41, respectively, so that the racks 55 can rotate around the hinge axis under the drive of the active and driven lifting modules 41. The other end of the rack 55 is hinged at the weave opening. The two second moving platforms 56 are symmetrically installed on the racks 55. The layered advance mechanism 33 and the locking compensation mechanism 42 are correspondingly installed on the two second moving platforms 56. In this embodiment, the hinge axis is the origin of the polar coordinates and the rack 55 is the polar axis, so that the active and driven transmission mechanisms move in polar coordinate form.

[0053] The second moving platform 56 moves linearly along the polar axis direction along the rack 55. The layered precession mechanism 33 and the locking compensation mechanism 42 are synchronously linked on the second moving platform 56 on both sides, so as to transmit the opening to the weaving position through the motion of the polar coordinate system.

[0054] Another operating condition in this embodiment is as follows: Figure 6 As shown, to improve transmission efficiency, two second moving platforms 56 are respectively installed on the two toothed rods 55 in this embodiment, and two pairs of layered precession mechanisms 33 and locking compensation mechanisms 42 are respectively installed, which are linked synchronously. When the first set of transmission rods 332 transmits the opening to a certain position, the second set of transmission rods 332 captures the current opening and continues to transmit the opening, while the first set of transmission rods 332 moves to the next warp opening layer to prepare for the positioning and transmission of the next layer of opening. The two sets of transmission rods 332 transmit the opening alternately to achieve efficient operation, thereby further improving the transmission efficiency.

[0055] Example 3

[0056] Reference Figures 1-6 This is the third embodiment of the present invention. Based on the first two embodiments, this embodiment provides a method for transferring openings in three-dimensional fabrics, including the following steps:

[0057] Step 1: The active transmission mechanism 3 and the driven transmission mechanism 4 are driven synchronously to the junction root between the warp matrix 2 and the sheath frame 1 by the transmission mechanism 5;

[0058] Step 2: After the main and driven transmission mechanisms are driven, the active lifting module 31 and the driven lifting module 41 drive the layering advance mechanism 33 and the locking compensation mechanism 42 to be simultaneously positioned to the current opening layer.

[0059] Step 3: After positioning is completed, the transmission rod 332 is driven through the current opening layer of the warp matrix 2 by the precession drive 331, and the tip cone 333 at the end of the transmission rod 332 enters the locking inner sleeve 4213.

[0060] Step 4: After the tip cone 333 enters the locking inner sleeve 4213, the locking outer sleeve 4214 is driven by the locking drive 4212 to lock the tip cone 333.

[0061] Step 5: After locking the tip cone 333, the active transmission mechanism 3 and the driven transmission mechanism 4 are driven by the transmission mechanism 5 to move synchronously towards the weft inlet, so that the opening is transmitted to the weft inlet position and the weft insertion begins.

[0062] Step 6: After weft insertion is completed, the locking outer jacket 4214 is released from the tip cone 333 by locking drive 4212;

[0063] Step 7: After the tip cone 333 is released, the transmission rod 332 is driven back to the initial position by the precession drive 331;

[0064] Step 8: Repeat steps 1 to 7 until the weaving is complete.

[0065] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all such modifications or substitutions should be covered within the scope of the claims of the present invention.

Claims

1. A three-dimensional fabric opening transfer device, characterized in that: It includes an opening frame (1), a warp matrix (2), a transfer mechanism (5), an active transfer mechanism (3), and a driven transfer mechanism (4). One end of the warp matrix (2) is the weaving opening, and the other end of the warp matrix (2) passes through the opening frame (1) radially to form an interlayer opening channel. The transfer mechanism (5) is located between the opening frame (1) and the weaving opening. The active transfer mechanism (3) and the driven transfer mechanism (4) are symmetrically arranged on both sides of the transfer mechanism (5) for the rapid and stable transfer of the opening. The active transmission mechanism (3) includes an active lifting module (31), an active rotation mechanism (32), and a layered precession mechanism (33). The active lifting module (31) is mounted on the transmission mechanism (5), the active rotation mechanism (32) is mounted on the active lifting module (31), and the layered precession mechanism (33) is mounted on the active rotation mechanism (32). The active lifting module (31), the active rotation mechanism (32), and the layered precession mechanism (33) are connected in series. The layered precession mechanism (33) includes a precession drive (331) and a transmission rod (332). The precession drive (331) is mounted on the active rotation mechanism (32), and the transmission rod (332) is mounted on the precession drive (331). The transmission rod (332) has a toothed structure, and the end of the transmission rod (332) is flexibly and floatingly connected to a cone tip (333) with a conical structure. The driven transmission mechanism (4) includes a driven lifting module (41) and a locking compensation mechanism (42). The driven lifting module (41) is disposed on the transmission mechanism (5), and the locking compensation mechanism (42) is disposed on the driven lifting module (41). The locking compensation mechanism (42) includes a locking mechanism (421) and a position follower compensation mechanism (422). The locking mechanism (421) is movably disposed on the follower lifting module (41), and the position follower compensation mechanism (422) is disposed on the locking mechanism (421). The locking mechanism (421) includes a locking frame (4211), a locking inner sleeve (4213), a locking outer sleeve (4214), a steel ball (4215), and a locking drive (4212). The locking frame (4211) is disposed on the driven lifting module (41), the locking inner sleeve (4213) is disposed on the locking frame (4211), the locking outer sleeve (4214) is sleeved on the locking inner sleeve (4213), the entrance end of the locking outer sleeve (4214) is provided with a wedge-shaped step, the steel ball (4215) is disposed on the locking inner sleeve (4213), and the locking drive (4212) is disposed on the locking outer sleeve (4214). The posture follower compensation mechanism (422) includes a male reset block (4221), a female reset block (4222), and a reset drive (4223). The male reset block (4221) and the female reset block (4222) are a pair of complementary rotary wedge blocks. The rotary wedge blocks are disposed on the locking frame (4211). The male reset block (4221) is fixedly connected to the locking inner sleeve (4213). The reset drive (4223) is disposed on the female reset block (4222).

2. The three-dimensional fabric opening transfer device as described in claim 1, characterized in that: The transmission mechanism (5) includes a frame (51), two sets of transmission guide mechanisms (53), two first moving platforms (54), and an opening transmission drive (52). The frame (51) is located at the bottom of the warp matrix (2). The two sets of transmission guide mechanisms (53) are symmetrically arranged on both sides of the frame (51). The two first moving platforms (54) are symmetrically arranged on the transmission guide mechanisms (53). The opening transmission drive (52) is arranged on the first moving platform (54). The active lifting module (31) and the driven lifting module (41) are correspondingly arranged on the two first moving platforms (54).

3. The three-dimensional fabric opening transfer device as described in claim 1, characterized in that: The transmission mechanism (5) includes two racks (55) and two second moving platforms (56). The two racks (55) are symmetrically arranged on both sides of the warp matrix (2). The active lifting module (31) and the driven lifting module (41) are symmetrically arranged on both sides of the opening frame (1). One end of the two racks (55) is connected to the active lifting module (31) and the driven lifting module (41) respectively. The two second moving platforms (56) are symmetrically arranged on the racks (55). The layered advance mechanism (33) and the locking compensation mechanism (42) are correspondingly arranged on the two second moving platforms (56).

4. A method for transferring a three-dimensional fabric opening, comprising a three-dimensional fabric opening transfer device as described in any one of claims 1-3, characterized in that, Includes the following steps: Step 1: The transmission mechanism synchronously drives the main and driven transmission mechanisms to the junction of the warp matrix and the sheath frame; Step 2: The master and slave lifting modules drive the layering precession mechanism and the locking compensation mechanism to synchronously position themselves to the current opening layer, respectively; Step 3: The precession drive drives the transfer rod through the current opening layer of the warp matrix, and the tip cone at the end of the transfer rod enters the locking inner sleeve; Step 4: Lock the drive to lock the outer casing and tighten the tip cone; Step 5: The transmission mechanism drives the main and driven transmission mechanisms to move synchronously, transferring the sheath to the weft insertion position and starting the weft insertion; Step 6: After weft insertion is completed, lock the outer jacket and release the tip cone. Step 7: The precession drive push rod returns to its initial position; Step 8: Repeat steps 1-7 until the weaving is complete.

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