CN-119287573-B - Three-dimensional fabric opening transfer device and method

CN119287573BCN 119287573 BCN119287573 BCN 119287573BCN-119287573-B

Abstract

The invention discloses a three-dimensional fabric opening transmission device and a method, wherein the device comprises an opening frame, a warp matrix, a transmission mechanism, a driving transmission mechanism and a driven transmission mechanism, one end of the warp matrix is a weaving port, the other end of the warp matrix radially passes through the opening frame to form an interlayer opening channel, the transmission mechanism is arranged between the opening frame and the weaving port, and the driving transmission mechanism and the driven transmission mechanism are symmetrically arranged at two sides of the transmission mechanism and can synchronously move along a let-off direction for rapid and stable transmission of an opening.

Inventors

SONG TAO
DAI MANYI
YANG JIYU
PAN LIANG
ZHANG ZHENHUA
LI MINGHUA
LI BO

Assignees

南京玻璃纤维研究设计院有限公司

Dates

Publication Date: 20260508
Application Date: 20241022

Claims (4)

1. The three-dimensional fabric opening transfer device is characterized by comprising an opening frame (1), a warp matrix (2), a transfer mechanism (5), a driving transfer mechanism (3) and a driven transfer mechanism (4), wherein one end of the warp matrix (2) is a weaving port, the other end of the warp matrix (2) radially penetrates through the opening frame (1) to form an interlayer opening channel, the transfer mechanism (5) is arranged between the opening frame (1) and the weaving port, and the driving transfer mechanism (3) and the driven transfer mechanism (4) are symmetrically arranged on two sides of the transfer mechanism (5) and used for rapid and stable transfer of an opening; The active transmission mechanism (3) comprises an active lifting module (31), an active rotating mechanism (32) and a layered precession mechanism (33), wherein the active lifting module (31) is arranged on the transmission mechanism (5), the active rotating mechanism (32) is arranged on the active lifting module (31), the layered precession mechanism (33) is arranged on the active rotating mechanism (32), and the active lifting module (31), the active rotating mechanism (32) and the layered precession mechanism (33) are sequentially connected in series for linkage; The layered precession mechanism (33) comprises a precession drive (331) and a transmission rod (332), wherein the precession drive (331) is arranged on the active rotation mechanism (32), and the transmission rod (332) is arranged on the precession drive (331), the transmission rod (332) is in a toothed rod structure, and the tail end of the transmission rod (332) is flexibly connected with a tip cone (333) of a conical structure in a floating manner; the driven transmission mechanism (4) comprises a driven lifting module (41) and a locking compensation mechanism (42), wherein the driven lifting module (41) is arranged on the transmission mechanism (5), and the locking compensation mechanism (42) is arranged on the driven lifting module (41); the locking compensation mechanism (42) comprises a locking mechanism (421) and a pose driven compensation mechanism (422), the locking mechanism (421) is movably arranged on the driven lifting module (41), and the pose driven compensation mechanism (422) is arranged on the locking mechanism (421); The locking mechanism (421) comprises a locking frame (4211), a locking inner sleeve (4213), a locking outer sleeve (4214), steel balls (4215) and a locking drive (4212), wherein the locking frame (4211) is arranged on the driven lifting module (41), the locking inner sleeve (4213) is arranged on the locking frame (4211), the locking outer sleeve (4214) is sleeved on the locking inner sleeve (4213), a wedge-shaped step is arranged at the inlet end of the locking outer sleeve (4214), the steel balls (4215) are arranged on the locking inner sleeve (4213), and the locking drive (4212) is arranged on the locking outer sleeve (4214); The pose driven compensation mechanism (422) comprises a male reset block (4221), a female reset block (4222) and a reset drive (4223), wherein the male reset block (4221) and the female reset block (4222) are a pair of complementary rotatable wedge blocks, the rotatable wedge blocks are arranged on the locking frame (4211), the male reset block (4221) is fixedly connected with the locking inner sleeve (4213), and the reset drive (4223) is arranged on the female reset block (4222).
2. The three-dimensional fabric opening transfer device according to claim 1, wherein the transfer mechanism (5) comprises a frame (51), two groups of transmission guide mechanisms (53), two first moving platforms (54) and an opening transfer drive (52), the frame (51) is arranged at the bottom of the warp matrix (2), the two groups of transmission guide mechanisms (53) are symmetrically arranged at two sides of the frame (51), the two first moving platforms (54) are symmetrically arranged on the transmission guide mechanisms (53), the opening transfer drive (52) is arranged on the first moving platforms (54), and the driving 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 according to claim 1, wherein the transfer mechanism (5) comprises two toothed bars (55) and two second moving platforms (56), the two toothed bars (55) are symmetrically arranged on two sides of the warp matrix (2), the driving lifting module (31) and the driven lifting module (41) are symmetrically arranged on two sides of the opening frame (1), one ends of the two toothed bars (55) are respectively connected with the driving lifting module (31) and the driven lifting module (41), the two second moving platforms (56) are symmetrically arranged on the toothed bars (55), and the layered precession mechanism (33) and the locking compensation mechanism (42) are correspondingly arranged on the two second moving platforms (56).
4. A three-dimensional fabric opening transfer method comprising a three-dimensional fabric opening transfer device according to any one of claims 1 to 3, characterized by comprising the steps of: step 1, synchronously driving a driving transmission mechanism and a driven transmission mechanism to the joint root of a warp matrix and an opening frame by a transmission mechanism; step 2, driving the layering precession mechanism and the locking compensation mechanism to synchronously position to the current opening layer by the driving lifting module and the driven lifting module respectively; step3, precession driving drives a transmission rod to penetrate through the current opening layer of the warp matrix, and the tip of the tail end of the transmission rod is led into the locking inner sleeve in a taper manner; step 4, locking the tip cone by locking the driving locking sleeve; step 5, the transmission mechanism drives the driving transmission mechanism and the driven transmission mechanism to synchronously move, an opening is transmitted to the position of a weaving opening, and weft insertion is started; step 6, after weft insertion is completed, the locking driving locking sleeve releases the tip cone; Step 7, precession driving the driving transmission rod to return to the initial position; and 8, repeating the steps 1-7 until the knitting is completed.

Description

Three-dimensional fabric opening transfer device and method Technical Field The invention relates to the technical field of textile, in particular to a three-dimensional fabric opening transfer device and a three-dimensional fabric opening transfer method. Background With the continuous increase of the requirements of the space fabric in the development of aerospace technology, the urgent need for the development of space fabric forming equipment from manual work to automation is accompanied by the increase. The three-dimensional fabric is formed by adopting a fixed-length weaving process, comprises five motions of warp let-off, opening, beating-up, weft insertion and traction, and has the characteristics of flexible structure, strong designability and short period. Because of the technical characteristics, the warp yarns are mostly arranged in a radial shape in the space, and because the distance between the opening and the weaving opening is long, the weaving opening is smaller due to mutual extrusion of the warp yarns at the weaving opening, weft yarns are difficult to introduce, the height position of the weaving opening in the thickness direction is unstable, the opening is often required to be manually assisted to be transferred, the degree of automation is low, and the uniformity of the size and the specification of the preform is poor. In order to improve the stability and weaving efficiency of the three-dimensional fabric, an opening transmission device and an opening transmission method are urgently needed, and long-stroke rapid and stable transmission from an opening to a weaving opening is realized, so that the stability of the height position of the weaving opening is ensured, and the consistency of the dimension specification of a product is improved. Disclosure of Invention This section is intended to outline some aspects of embodiments of the application and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the application and in the title of the application, which may not be used to limit the scope of the application. The invention aims to solve the technical problem of how to improve the weaving efficiency and the product quality of three-dimensional fabrics. In order to solve the technical problems, the invention provides the technical scheme that the three-dimensional fabric opening transfer device comprises an opening frame, a warp matrix, a transfer mechanism, a driving transfer mechanism and a driven transfer mechanism, wherein one end of the warp matrix is a weaving port, the other end of the warp matrix radially penetrates through the opening frame to form an interlayer opening channel, the transfer mechanism is arranged between the opening frame and the weaving port, and the driving transfer mechanism and the driven transfer mechanism are symmetrically arranged on two sides of the transfer mechanism and can synchronously move along a warp feeding direction and are used for rapid and stable transfer of an opening. The three-dimensional fabric opening transmission device comprises an active transmission mechanism, an active lifting module, an active rotating mechanism and a layering precession mechanism, wherein the active transmission mechanism can realize space multi-degree-of-freedom motion and is convenient for opening transmission, the active lifting module is arranged on the transmission mechanism, the active rotating mechanism is arranged on the active lifting module, the layering precession mechanism is arranged on the active rotating mechanism, the active lifting module, the active rotating mechanism and the layering precession mechanism are sequentially connected in series and are linked, and the layering precession mechanism can rotate around a z-axis under the driving of the active rotating mechanism, so that the layering precession mechanism in a warp matrix can swing up and down, and carding layering is convenient for the sticky warp. The driven transmission mechanism comprises a driven lifting module and a locking compensation mechanism, wherein the driven lifting module is arranged on the transmission mechanism, and the locking compensation mechanism is arranged on the driven lifting module; the locking compensation mechanism comprises a locking mechanism and a pose driven compensation mechanism, the locking mechanism is movably arranged on the driven lifting module, and the pose driven compensation mechanism is arranged on the locking mechanism. As a preferable scheme of the three-dimensional fabric opening transmission device, the layered precession mechanism comprises a precession drive and a transmission rod, wherein the precession drive is arranged on the active rotation mechanism, the transmission rod is arranged on the precession drive, and the transmission rod can move along the y axis under the action of the precession drive. As an optimal scheme of the three-dimensi