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CN-117842786-B - Automatic yarn winding equipment and method

CN117842786BCN 117842786 BCN117842786 BCN 117842786BCN-117842786-B

Abstract

The invention relates to the technical field of yarn winding, in particular to automatic yarn winding equipment and method. The device comprises a feeding unit and a winding unit, wherein the feeding unit is used for conveying an I-shaped yarn disc of a yarn to be wound to a winding station, the winding unit comprises a rotating device, a clamping device and a movable yarn guiding device, the rotating device comprises a rotatable end face, the clamping device comprises a rotatable clamping face and a shaft body capable of moving along the axial direction, the shaft body is rotationally connected with the rotatable clamping face, the winding station is arranged between the rotatable end face and the clamping device, the yarn guiding device is penetrated with the yarn, the yarn guiding device is used for guiding the yarn to one side of the rotatable clamping face, after the I-shaped yarn disc reaches the winding station, the movable shaft body drives the rotatable clamping face to move so that the I-shaped yarn disc and the yarn are clamped between the rotatable end face and the rotatable clamping face, and the rotatable end face drives the I-shaped yarn disc and the rotatable clamping face to rotate, and simultaneously moves the yarn guiding device axially and reciprocally so that the yarn is wound on the I-shaped yarn disc.

Inventors

  • WANG HUIBO
  • ZHANG LIQUAN
  • LI CHAO
  • HAN FEI
  • ZHANG YOUXIN
  • WANG KE

Assignees

  • 南京玻璃纤维研究设计院有限公司

Dates

Publication Date
20260505
Application Date
20231226

Claims (8)

  1. 1. An automatic yarn winding device is characterized by comprising a feeding unit (1) and a winding unit (2); the feeding unit (1) is used for conveying the I-shaped yarn disc of the yarn to be wound to the winding station; The winding unit (2) comprises a rotating device (21), a clamping device (22) and a movable yarn guiding device (23), the rotating device (21) comprises a rotatable end face (211), the clamping device (22) comprises a rotatable clamping face (222) and a shaft body (221) capable of moving along the axial direction, the shaft body (221) is rotationally connected with the rotatable clamping face (222), a winding station is arranged between the rotatable end face (211) and the clamping device (22), the yarn guiding device (23) is penetrated with yarn, the yarn guiding device (23) is used for guiding the yarn to one side of the rotatable clamping face (222), after the spool reaches the winding station, the shaft body (221) drives the rotatable clamping face (222) to move towards the rotatable end face (211), and in the moving process of the rotatable clamping face (222), the yarn is clamped between the rotatable clamping face (222) and the spool, and then the spool continues to move, so that the spool and the yarn is clamped between the rotatable end face (211) and the rotatable yarn guiding face (222) and the spool can be wound on the spool (23) along the axial direction of the spool; The rotatable end face (211) and/or the rotary clamping face (222) are provided with a plurality of bosses, and the bosses are used for clamping side edges on the I-shaped yarn disc and catching yarns when the I-shaped yarn disc is clung to the rotatable end face (211) so as to prevent the I-shaped yarn disc from turning around when the rotating speed is high; The yarn guiding device (23) is positioned at the upper part of the winding station and comprises a yarn guiding hole (231), a yarn discharging rod (232) and a synchronous belt component (233); Yarn is worn to be equipped with by yarn guide eye (231), yarn guide eye (231) set up in the one end of row yarn pole (232), hold-in range part (233) are used for controlling row yarn pole (232) axial displacement, hold-in range part (233) are used for with yarn guide eye (231) remove to the material loading level, when yarn guide eye (231) are located material loading level, by yarn guide eye (231) natural drooping's yarn is located rotatory clamping face (222) one side.
  2. 2. The automatic yarn winding device according to claim 1, characterized in that said rotating means (21) further comprise a telescopic assembly (212) in the form of a shaft, a concentric limiter (213) and a power assembly (214); the power assembly (214) comprises a motor and a first cylinder, a rotating shaft of the motor is hollow, the rotating shaft is connected with the rotatable end face (211), the rotatable end face (211) is provided with a first through hole, the telescopic assembly (212) penetrates through the rotating shaft, one end of the telescopic assembly is connected with the first cylinder, the other end of the telescopic assembly is connected with the concentric limiting piece (213), the telescopic assembly (212) is controlled to stretch and retract through the first cylinder, and the concentric limiting piece (213) is controlled to be hidden in or penetrate out of the first through hole.
  3. 3. The automatic yarn winding device according to claim 1, characterized in that said gripping means (22) further comprise a first locking ring (223), a first spring (224), a thrust member (225) and a second locking ring (226) arranged in succession along said shaft (221), wherein said first locking ring (223) is close to said rotating gripping surface (222); The first locking ring (223) and the second locking ring (226) are fixedly sleeved on the shaft body (221), and the thrust part (225) and the first spring (224) are slidably sleeved on the shaft body (221); When the spool on the winding station needs to be clamped, the thrust part (225) moves towards the first locking ring (223) to sequentially push the first spring (224) and the first locking ring (223) to move, the first locking ring (223) drives the shaft body (221) to move so as to enable the rotary clamping surface (222) to be in contact with the spool, and the thrust part (225) continues to move so as to compress the first spring (224) to apply clamping force to the rotary clamping surface (222); When the spool on the winding station is not required to be clamped, the thrust part (225) moves towards the second locking ring (226) to push the second locking ring (226), the shaft body (221) and the rotary clamping surface (222) in sequence, so that the spool is released.
  4. 4. The automatic yarn winding device as claimed in claim 1, characterised in that the loading unit (1) comprises a yarn tray slot (11) and a yarn tray (12), the yarn tray slot (11) is used for storing a plurality of spool of yarn to be wound, the yarn tray slot (11) comprises a discharge opening, the yarn tray (12) comprises a loading slide rail (121) and a loading piece (122) which can slide on the loading slide rail (121), the loading piece (122) is provided with a groove for receiving the spool of yarn outputted by the discharge opening, the loading slide rail (121) is used for fixing the loading piece (122) with the spool of yarn to a winding station of the winding unit (2), and the loading slide rail (121) is also used for withdrawing the loading piece (122) to receive a new spool of yarn after the spool of yarn is fixed by the winding unit (2).
  5. 5. The automatic yarn winding device as in claim 4, wherein the yarn disc groove (11) is square column-shaped, the yarn disc groove (11) is inclined downwards, the discharge port is located at one end of the yarn disc groove (11) facing downwards, the yarn disc support (12) further comprises a shielding sliding piece (123), the shielding sliding piece (123) is connected with the feeding sliding rail (121), the groove of the feeding piece (122) is arc-shaped, the bottom of the shielding sliding piece (123) is connected with the bottom shaft pin of the feeding piece (122), the bottom of the shielding sliding piece (123) is connected with the side surface of the feeding piece (122) through a second spring (124), the upper portion of the shielding sliding piece (123) is a shielding sliding surface, and the second spring (124) is used for providing elasticity to enable the groove of the feeding piece (122) to face upwards and cling to the shielding sliding surface.
  6. 6. The automatic yarn winding device according to claim 1, characterized in that the winding unit (2) further comprises a cutting means (24) located in the lower part of the winding station, the cutting means (24) comprising a cutting member (241) and a second air cylinder (242), the second air cylinder (242) being adapted to control the movement of the cutting member (241); After the spool is wound, the second cylinder (242) controls the cutting member (241) to cut the yarn.
  7. 7. The automatic yarn winding device according to claim 6, further comprising a blanking device (3) positioned at the lower part of the winding station, wherein the blanking device (3) comprises a yarn disc clamping jaw (31), a telescopic cylinder (32) and a servo motor (33), the telescopic cylinder (32) is used for controlling the yarn disc clamping jaw (31) to move up and down, and the servo motor (33) is used for controlling the yarn disc clamping jaw (31) to rotate left and right; After winding of the spool is completed, the telescopic cylinder (32) controls the spool clamping jaw (31) to clamp the spool of the winding station, the rotary clamping surface (222) is moved to release the spool, the telescopic cylinder (32) controls the spool clamp for clamping the spool to move downwards, the feeding unit (1) moves a new spool to the winding station, the rotary clamping surface (222) is moved to clamp the new spool, the servo motor (33) controls the spool clamp for clamping the spool to tilt towards the cutting piece (241) so as to enable the yarn to be tensioned, the second cylinder (242) controls the cutting piece (241) to cut the yarn, and the telescopic cylinder (32) and the servo motor (33) control the spool clamp to move to a preset position to release the spool.
  8. 8. An automatic yarn winding method, characterized in that it is based on an automatic yarn winding device according to any one of claims 1 to 7, said method comprising: Conveying the I-shaped yarn disc of the yarn to be wound to a winding station by utilizing the feeding unit (1); introducing yarn to the side of the rotary holding surface (222) by the yarn guide device (23); After the I-shaped yarn disc reaches the winding station, the shaft body (221) is moved to drive the rotary clamping surface (222) to move towards the rotatable end surface (211) so as to clamp the I-shaped yarn disc and the yarn between the rotatable end surface (211) and the rotary clamping surface (222); rotating the rotatable end surface (211) drives the spool and the rotatable clamping surface (222) to rotate, and simultaneously, the yarn guiding device (23) is axially and reciprocally moved along the spool so as to enable the yarn to be wound on the spool.

Description

Automatic yarn winding equipment and method Technical Field The invention relates to the technical field of yarn winding, in particular to automatic yarn winding equipment and method. Background Yarn reinforcement preform is one of the raw materials for preparing composite materials. In the related art, the yarn reinforcing preform is mainly prepared by a three-dimensional weaving apparatus. While the use of three-dimensional weaving equipment to produce yarn-reinforced preforms requires a large number of i-yarn reels with yarns. There is currently a lack of an apparatus and method for automatically winding yarn onto an i-shaped yarn disc. Disclosure of Invention The embodiment of the invention provides an automatic yarn winding device and an automatic yarn winding method, which can automatically wind yarns on an I-shaped yarn disc. The embodiment of the invention provides automatic yarn winding equipment, which comprises a feeding unit and a winding unit; The feeding unit is used for conveying the I-shaped yarn disc of the yarn to be wound to the winding station; The winding unit comprises a rotating device, a clamping device and a movable yarn guiding device, wherein the rotating device comprises a rotatable end face, the clamping device comprises a rotatable clamping face and a shaft body capable of moving along the axial direction, the shaft body is rotationally connected with the rotatable clamping face, a winding station is arranged between the rotatable end face and the clamping device, the yarn guiding device is used for guiding yarn into one side of the rotatable clamping face, after an I-shaped yarn disc reaches the winding station, the shaft body is moved to drive the rotatable clamping face to move so that the I-shaped yarn disc and the yarn are clamped between the rotatable end face and the rotatable clamping face, the rotatable end face is rotated to drive the I-shaped yarn disc and the rotatable clamping face to rotate, and meanwhile the yarn guiding device is axially reciprocated along the I-shaped yarn disc so that the yarn is wound on the I-shaped yarn disc. In one possible design, the rotating device further comprises a telescopic component in a shaft shape, a concentric limiting piece and a power component; the power assembly comprises a motor and a first cylinder, a rotating shaft of the motor is hollow, the rotating shaft is connected with the rotatable end face, a first through hole is formed in the rotatable end face, the telescopic assembly penetrates through the rotating shaft, one end of the telescopic assembly is connected with the first cylinder, the other end of the telescopic assembly is connected with the concentric limiting piece, and the telescopic assembly is controlled to stretch and retract through the first cylinder so as to control the concentric limiting piece to be hidden in the first through hole or penetrate out of the first through hole. In one possible design, the rotatable end face and/or the rotatable clamping face is provided with a plurality of bosses for catching the side edges on the spool and catching the yarn when the spool is in close proximity to the rotatable end face, so as to prevent the spool from turning around when the rotational speed is high. In one possible design, the clamping device further comprises a first locking ring, a first spring, a thrust member, and a second locking ring disposed in sequence along the shaft, wherein the first locking ring is proximate the rotating clamping surface; The first locking ring and the second locking ring are fixedly sleeved on the shaft body, and the thrust part and the first spring are slidably sleeved on the shaft body; When the I-shaped yarn disc on the winding station is required to be clamped, the thrust part moves towards the first locking ring to sequentially push the first spring and the first locking ring to move, the first locking ring drives the shaft body to move so that the rotary clamping surface is in contact with the I-shaped yarn disc, and the thrust part is continuously moved to compress the first spring to apply clamping force to the rotary clamping surface; when the spool on the winding station is not required to be clamped, the thrust part moves towards the second locking ring to push the second locking ring, the shaft body and the rotary clamping surface in sequence, so that the spool is released. In one possible design, the feeding unit comprises a yarn disc groove and a yarn disc tray, the yarn disc groove is used for storing a plurality of I-shaped yarn discs to be coiled, the yarn disc groove comprises a discharge hole, the yarn disc tray comprises a feeding sliding rail and a feeding piece capable of sliding on the feeding sliding rail, the feeding piece is provided with a groove for receiving the I-shaped yarn discs output by the discharge hole, the feeding sliding rail is used for conveying the feeding piece with the I-shaped yarn discs to a coiling station of the coiling unit