CN114855313A - Manufacturing method of air-coated yarn - Google Patents
Manufacturing method of air-coated yarn Download PDFInfo
- Publication number
- CN114855313A CN114855313A CN202210677144.5A CN202210677144A CN114855313A CN 114855313 A CN114855313 A CN 114855313A CN 202210677144 A CN202210677144 A CN 202210677144A CN 114855313 A CN114855313 A CN 114855313A
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- air
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- tensioning
- rotating shaft
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Classifications
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
- D01H4/40—Removing running yarn from the yarn forming region, e.g. using tubes
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H13/00—Other common constructional features, details or accessories
- D01H13/10—Tension devices
- D01H13/104—Regulating tension by devices acting on running yarn and not associated with supply or take-up devices
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H13/00—Other common constructional features, details or accessories
- D01H13/32—Counting, measuring, recording or registering devices
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/32—Elastic yarns or threads ; Production of plied or cored yarns, one of which is elastic
- D02G3/328—Elastic yarns or threads ; Production of plied or cored yarns, one of which is elastic containing elastane
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/38—Threads in which fibres, filaments, or yarns are wound with other yarns or filaments, e.g. wrap yarns, i.e. strands of filaments or staple fibres are wrapped by a helically wound binder yarn
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/10—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyurethanes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
- Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
The invention discloses a manufacturing method of air-coated yarns, which comprises the following steps: step one, uniformly mixing two different slicing raw materials, and then carrying out melt spinning to obtain composite fiber protofilaments; and step two, cooling, oiling, stretching, shaping and winding the composite fiber protofilament to obtain the composite fiber. Step three, taking spandex fibers as core yarns, and carrying out air coating on the ammonia composite fibers and the spandex fibers by adopting an air yarn covering machine to obtain air-coated yarns; the winding device of the air yarn covering machine comprises a tensioning mechanism; the tensioning mechanism comprises a tensioning support, a first electric expansion piece with an output end facing downwards is arranged at the top of the tensioning support, the first electric expansion piece is connected with a lifting plate, a pressing plate is connected below the lifting plate, a pressure sensor in contact with the pressing plate is arranged at the bottom of the lifting plate, and a tensioning wheel is connected below the pressing plate. The manufacturing method of the air-coated yarn can enable the air-coated yarn to be in a tensioning state in the winding process, and is beneficial to improving the winding quality.
Description
Technical Field
The invention relates to a manufacturing method of an air-coated yarn.
Background
Along with the development of economy and improvement of living standard in China, people require clothes to be convenient, comfortable, relaxed, close-fitting, beautiful in appearance and flexible along with the movement of human bodies. However, the traditional characteristics and spinning methods of natural fibers or synthetic fibers at present are far from meeting the diversified and functional requirements of consumers on the clothes. Therefore, the technology of compounding two (or more) component fibers (yarns) into yarn becomes the main trend of the development of new technology in the domestic textile industry at present, and spandex-covered yarn is one of spandex elastic yarn varieties, and is a composite yarn formed by covering the elastic yarn in an extended state in a spiral manner by taking spandex as a core and covering synthetic fiber filament yarns or spun yarns outside. The air-coated yarn machine is special equipment for realizing the coating processing technology, and China has realized full automation of a coating process through years of development, but the existing air-coated yarn machine still has certain problems, mainly the condition that the air-coated yarn cannot be tensioned occurs in a winding device of the air-coated yarn machine, so that the winding efficiency and the winding quality are influenced due to lower tension of the coated yarn in the winding process.
Disclosure of Invention
The invention aims to provide a manufacturing method of an air-coated wire, which can enable the air-coated wire to be in a tensioning state in a winding process by arranging a tensioning mechanism in a winding device, thereby being beneficial to improving the winding quality and meeting the winding requirement.
In order to achieve the purpose, the technical scheme of the invention is to design a manufacturing method of an air-coated yarn, which comprises the following steps:
mixing two different slicing raw materials, uniformly mixing, and performing melt spinning to obtain a composite fiber precursor;
step two, cooling, oiling, stretching, shaping and winding the obtained composite fiber protofilament to obtain composite fiber;
step three, taking spandex fibers as core yarns, and carrying out air coating on the obtained composite fibers and the spandex fibers by adopting an air yarn covering machine to obtain air-coated yarns; the winding device of the air yarn covering machine comprises a base, a tensioning mechanism and a winding mechanism, wherein the tensioning mechanism and the winding mechanism are arranged on the base; the tensioning mechanism is positioned at the upstream of the winding mechanism and comprises a tensioning bracket, a first electric expansion piece and a tensioning wheel, the tensioning support comprises an upright post and a cross beam, the first electric expansion piece is arranged at the top of the cross beam, the output end of the first electric expansion piece penetrates through the cross beam and is connected with a lifting plate, a pressure plate is arranged below the lifting plate, a pressure sensor and two guide rods respectively positioned at two sides of the pressure sensor are arranged at the bottom of the lifting plate, the pressure sensor is contacted with the pressure plate, the pressure sensor is electrically connected with the first electric expansion piece, the bottom end of the guide rod penetrates through the pressure plate, a spring sleeved on the guide rod is connected between the pressure plate and the lifting plate, the bottom of the pressing plate is connected with a wheel carrier through a connecting rod, the tension wheel is rotatably arranged in the wheel carrier, and the air-coated wire penetrates through the lower portion of the tension wheel.
Preferably, in the step one, the two different chip raw materials are any two of terylene, chinlon, PBT and PET.
Preferably, the bottom end of the guide rod is provided with a limiting block.
Preferably, winding mechanism includes rolling support, rolling motor, pivot and winding drum, the rolling support includes the diaphragm and connects in the riser of diaphragm one end, rolling motor sets up on the riser, and rolling motor's output shaft run through the riser and with the pivot is connected, the winding drum suit is in the pivot, and is equipped with the keyway on the inner wall of winding drum, be equipped with the card key with keyway slip joint on the outer wall of pivot.
Preferably, a cavity is arranged inside the rotating shaft, one end of the rotating shaft, which is connected with the winding motor, is a closed end, the other end of the rotating shaft is an open end, an installation rod is arranged inside the cavity, the axis of the installation rod coincides with the axis of the rotating shaft, one end of the installation rod is connected with the closed end, the other end of the installation rod penetrates through the open end and is connected with a circular plate, two radial sliding grooves are symmetrically arranged on the plate surface of the circular plate, which faces the open end, two movable stop blocks for stopping the winding drum from moving along the axial direction of the rotating shaft are arranged between the circular plate and the open end, the two movable stop blocks are respectively in sliding connection with the two radial sliding grooves through sliding blocks, a first inclined surface is arranged at the side part, which is close to the installation rod, of each movable stop block, a T-shaped sliding strip arranged along the inclined direction of the first inclined surface is arranged on the first inclined surface, two second electric retractors are arranged inside the cavity, the two second electric retractors are arranged on the installation rod, the output ends of the two second electric retractors are connected with transmission blocks, the transmission blocks correspond to the two movable stop blocks one to one, second inclined planes matched with the first inclined planes of the corresponding movable stop blocks in a contact mode are arranged on the transmission blocks, and T-shaped sliding grooves connected with the T-shaped sliding strips in a sliding mode are formed in the second inclined planes.
Preferably, the outer wall of the closed end is provided with a mounting hole, an inductive switch is mounted in the mounting hole, and the inductive switch is electrically connected with the second electric expansion piece.
The invention has the advantages and beneficial effects that: the air-coated wire manufacturing method has the advantages that the tensioning mechanism is arranged in the winding device, so that the air-coated wire can be in a tensioning state in the winding process, the winding quality is improved, and the winding requirement is met.
Drawings
Fig. 1 is a schematic view of a winding device according to the invention.
Fig. 2 is a schematic view of the tensioning mechanism of the present invention.
Fig. 3 is an enlarged view at a in fig. 2.
Fig. 4 is a schematic view of the winding mechanism of the present invention.
Fig. 5 is an enlarged view at B in fig. 4.
Fig. 6 is an enlarged view at C in fig. 4.
Fig. 7 is an enlarged view at D in fig. 4.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The technical scheme of the specific implementation of the invention is as follows:
as shown in fig. 1 to 7, a method for manufacturing an air-covered yarn includes the steps of:
mixing two different slicing raw materials, uniformly mixing, and performing melt spinning to obtain a composite fiber precursor;
step two, cooling, oiling, stretching, shaping and winding the obtained composite fiber protofilament to obtain composite fiber;
step three, taking spandex fibers as core yarns, and carrying out air coating on the obtained composite fibers and the spandex fibers by using an air yarn covering machine to obtain air-coated yarns 100; the winding device of the air yarn covering machine comprises a base 1, and a tensioning mechanism and a winding mechanism which are arranged on the base 1; the tensioning mechanism is located at the upstream of the winding mechanism and comprises a tensioning support, a first electric expansion piece 2 and a tensioning wheel 3, the tensioning support comprises a stand column 4 and a cross beam 5, the first electric expansion piece 2 is arranged at the top of the cross beam 5, the output end of the first electric expansion piece 2 penetrates through the cross beam 5 and is connected with a lifting plate 6, a pressing plate 7 is arranged below the lifting plate 6, a pressure sensor 8 and two guide rods 9 respectively located at two sides of the pressure sensor 8 are arranged at the bottom of the lifting plate 6, the pressure sensor 8 is in contact with the pressing plate 7, the pressure sensor 8 is electrically connected with the first electric expansion piece 2, the bottom end of the guide rod 9 penetrates through the pressing plate 7, a spring 10 sleeved on the guide rod 9 is connected between the pressing plate 7 and the lifting plate 6, the bottom of the pressing plate 7 is connected with a wheel carrier 12 through a connecting rod 11, the tensioning wheel 3 is rotatably installed in the wheel carrier 12, the air-covered wire 100 passes under the tension wheel 3. By adopting the scheme, in the moving process of the air-coated wire 100, the tension wheel 3 presses the air-coated wire 100 and tensions the air-coated wire 100, so that the air-coated wire 100 is in a tension state in the winding process, the winding quality is favorably improved, and the winding requirement is met. And the pressure sensor 8 is used for detecting the pressure applied by the pressing plate 7, when the pressure value detected by the pressure sensor 8 is smaller than a preset pressure threshold value, a first signal is sent to the first electric expansion device 2, at this time, the first electric expansion device 2 extends out and drives the lifting plate 6 and the tensioning wheel 3 connected with the lifting plate 6 to descend for a certain distance, so that the air-covered wire 100 is prevented from being too loose, when the pressure value detected by the pressure sensor 8 is larger than the preset pressure threshold value, a second signal is sent to the first electric expansion device 2, at this time, the first electric expansion device 2 retracts and drives the lifting plate 6 and the tensioning wheel 3 connected with the lifting plate 6 to ascend for a certain distance, so that the air-covered wire 100 is prevented from being over-tightened, and the purpose of keeping the air-covered wire 100 at a certain tensioning force is achieved.
Further, in the first step, the two different slicing raw materials are any two of terylene, chinlon, PBT and PET. By adopting the scheme, the air-coated yarn 100 integrates the common advantages of spandex and other two raw materials.
Furthermore, the bottom end of the guide rod 9 is provided with a limiting block 13.
Further, winding mechanism includes rolling support, winding motor 14, pivot 15 and winding drum 16, the rolling support includes diaphragm 17 and connects in the riser 18 of diaphragm 17 one end, winding motor 14 sets up on riser 18, and winding motor 14's output shaft run through riser 18 and with pivot 15 is connected, winding drum 16 suit is on pivot 15, and is equipped with keyway 19 on winding drum 16's the inner wall, be equipped with the card key 20 with keyway 19 slip joint on the outer wall of pivot 15. In the above scheme, the winding drum 16 can be sleeved outside the rotating shaft 15 through the cooperation of the key groove 19 and the clamping key 20, when the winding motor 14 is started to operate, the rotating shaft 15 is driven to rotate, and after the rotating shaft 15 rotates, the winding drum 16 is driven to rotate so as to wind the air-coated wire 100. In addition, the winding drum 16 is connected with the rotating shaft 15 through the key groove 19 and the clamping key 20 in a matched mode, so that the operation is more convenient and faster when the winding drum 16 is replaced, and the production efficiency is improved.
Further, a cavity 21 is arranged inside the rotating shaft 15, one end of the rotating shaft 15 connected with the winding motor 14 is a closed end, the other end of the rotating shaft 15 is an open end, an installation rod 22 is arranged inside the cavity 21, the axis of the installation rod 22 coincides with the axis of the rotating shaft 15, one end of the installation rod 22 is connected with the closed end, the other end of the installation rod 22 penetrates through the open end and is connected with a circular plate 23, two radial sliding grooves are symmetrically arranged on the plate surface of the circular plate 23 facing the open end, two movable stoppers 24 for stopping the axial movement of the winding drum 16 along the rotating shaft 15 are arranged between the circular plate 23 and the open end, the two movable stoppers 24 are respectively connected with the two radial sliding grooves in a sliding manner through sliding blocks, a first inclined surface 25 is arranged on the side part of each movable stopper 24 close to the installation rod 22, and a T-shaped sliding strip 26 arranged along the inclined direction of the first inclined surface 25 is arranged on the first inclined surface 25, the inside of cavity 21 is equipped with two electronic expansion bend 27 of second, and these two electronic expansion bend 27 of second set up on installation pole 22, and the output of these two electronic expansion bend 27 of second all is connected with transmission block 28, two transmission block 28 and two movable stop dog 24 one-to-one, be equipped with on each transmission block 28 with the first inclined plane 25 contact complex second inclined plane 29 of corresponding movable stop dog 24, and be equipped with on the second inclined plane 29 with T shape draw runner 26 sliding connection's T shape spout. By adopting the scheme, after the winding drum 16 is sleeved on the rotating shaft 15, the second electric expansion piece 27 is controlled to extend out and drive the transmission block 28 to move a certain distance towards the circular plate 23, and as the transmission block 28 is matched with the movable stop block 24 through an inclined plane and is in sliding connection with the movable stop block 24, the transmission block 28 drives the corresponding movable stop block 24 to move a certain distance away from the mounting rod 22 when moving, so that the movable stop block 24 partially stops at the outer side of the winding drum 16 and limits the axial movement of the winding drum 16, and the winding quality is prevented from being influenced by the axial movement of the winding drum 16 in the working process; when the winding drum 16 needs to be replaced, the second electric expansion device 27 is controlled to retract and drive the transmission block 28 to move a certain distance away from the circular plate 23, at this time, the transmission block 28 drives the corresponding movable stop 24 to move a certain distance towards the mounting rod 22, so that the blocking of the winding drum 16 is released, and then the winding drum 16 can be taken down from the rotating shaft 15.
Further, a mounting hole is formed in the outer wall of the closed end, an inductive switch 30 is mounted in the mounting hole, and the inductive switch 30 is electrically connected with the second electric expansion piece 27. By adopting the scheme, whether the winding drum 16 is sleeved in place or not is detected by the inductive switch 30, and when the inductive switch 30 detects that the winding drum 16 is sleeved in place, a third signal is sent to the second electric expansion piece 27, so that the second electric expansion piece 27 is extended, and the convenience of sleeving the winding drum 16 is effectively improved.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. The manufacturing method of the air-coated yarn is characterized by comprising the following steps of:
mixing two different slicing raw materials, uniformly mixing, and performing melt spinning to obtain a composite fiber precursor;
step two, cooling, oiling, stretching, shaping and winding the obtained composite fiber protofilament to obtain composite fiber;
step three, taking spandex fibers as core yarns, and carrying out air coating on the obtained composite fibers and the spandex fibers by adopting an air yarn covering machine to obtain air-coated yarns; the winding device of the air yarn covering machine comprises a base, a tensioning mechanism and a winding mechanism, wherein the tensioning mechanism and the winding mechanism are arranged on the base; the tensioning mechanism is positioned at the upstream of the winding mechanism and comprises a tensioning bracket, a first electric expansion piece and a tensioning wheel, the tensioning support comprises an upright post and a cross beam, the first electric expansion piece is arranged at the top of the cross beam, the output end of the first electric expansion piece penetrates through the cross beam and is connected with a lifting plate, a pressure plate is arranged below the lifting plate, a pressure sensor and two guide rods respectively positioned at two sides of the pressure sensor are arranged at the bottom of the lifting plate, the pressure sensor is contacted with the pressure plate, the pressure sensor is electrically connected with the first electric expansion piece, the bottom end of the guide rod penetrates through the pressure plate, a spring sleeved on the guide rod is connected between the pressure plate and the lifting plate, the bottom of the pressing plate is connected with a wheel carrier through a connecting rod, the tension wheel is rotatably arranged in the wheel carrier, and the air-coated wire penetrates through the lower portion of the tension wheel.
2. The method for manufacturing the air-covered yarn according to claim 1, wherein in the first step, the two different chip raw materials are any two of terylene, chinlon, PBT and PET.
3. The method of manufacturing an air-covered wire according to claim 2, wherein a stopper is provided at a bottom end of the guide rod.
4. The manufacturing method of the air-coated yarn as claimed in claim 3, wherein the winding mechanism comprises a winding support, a winding motor, a rotating shaft and a winding drum, the winding support comprises a transverse plate and a vertical plate connected to one end of the transverse plate, the winding motor is arranged on the vertical plate, an output shaft of the winding motor penetrates through the vertical plate and is connected with the rotating shaft, the winding drum is sleeved on the rotating shaft, a key groove is formed in the inner wall of the winding drum, and a clamping key in sliding clamping connection with the key groove is formed in the outer wall of the rotating shaft.
5. The method according to claim 4, wherein the rotating shaft has a cavity therein, one end of the rotating shaft connected to the winding motor is a closed end, the other end of the rotating shaft is an open end, the cavity has a mounting rod therein, the axis of the mounting rod coincides with the axis of the rotating shaft, one end of the mounting rod is connected to the closed end, the other end of the mounting rod penetrates through the open end and is connected to a circular plate, two radial sliding grooves are symmetrically formed on the plate surface of the circular plate facing the open end, two movable stoppers for stopping the axial movement of the winding drum along the rotating shaft are disposed between the circular plate and the open end, the two movable stoppers are slidably connected to the two radial sliding grooves through sliding blocks, each movable stopper has a first inclined surface near the side of the mounting rod, and the first inclined surface has a T-shaped sliding strip disposed along the inclined direction of the first inclined surface, the inside of cavity is equipped with two electronic expanders of second, and these two electronic expanders of second set up on the installation pole, and the output of these two electronic expanders of second all is connected with the transmission piece, two the transmission piece and two activity dog one-to-one are equipped with on each transmission piece with the first inclined plane contact complex second inclined plane that corresponds activity dog, and be equipped with on the second inclined plane with T shape draw runner sliding connection's T shape spout.
6. The method for manufacturing an air-covered yarn as claimed in claim 5, wherein a hole is formed in the outer wall of the closed end, and an inductive switch is installed in the hole and electrically connected to the second electric expansion device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210677144.5A CN114855313B (en) | 2022-06-16 | 2022-06-16 | Manufacturing method of air-coated yarn |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210677144.5A CN114855313B (en) | 2022-06-16 | 2022-06-16 | Manufacturing method of air-coated yarn |
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| Publication Number | Publication Date |
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| CN114855313A true CN114855313A (en) | 2022-08-05 |
| CN114855313B CN114855313B (en) | 2023-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210677144.5A Active CN114855313B (en) | 2022-06-16 | 2022-06-16 | Manufacturing method of air-coated yarn |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0748886A2 (en) * | 1995-06-06 | 1996-12-18 | Dixie Yarns, Inc | System for forming elastomeric core/staple fiber wrap yarn using a spinning machine |
| CN101602449A (en) * | 2009-06-17 | 2009-12-16 | 山东同济机电有限公司 | Online detection of yarn tension and real-time control apparatus |
| CN105648584A (en) * | 2014-11-27 | 2016-06-08 | 村田机械株式会社 | Core yarn supplying device and spinning machine |
| CN205775052U (en) * | 2016-05-27 | 2016-12-07 | 抚州市靖淞科技纱业有限公司 | A kind of controllable type heart yarn tensioner |
| CN211057326U (en) * | 2019-11-06 | 2020-07-21 | 江苏华佳丝绸股份有限公司 | Covering yarn mixing device |
| CN113737341A (en) * | 2021-09-15 | 2021-12-03 | 武汉纺织大学 | Elastic sheath-core fiber and preparation method thereof |
-
2022
- 2022-06-16 CN CN202210677144.5A patent/CN114855313B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0748886A2 (en) * | 1995-06-06 | 1996-12-18 | Dixie Yarns, Inc | System for forming elastomeric core/staple fiber wrap yarn using a spinning machine |
| CN101602449A (en) * | 2009-06-17 | 2009-12-16 | 山东同济机电有限公司 | Online detection of yarn tension and real-time control apparatus |
| CN105648584A (en) * | 2014-11-27 | 2016-06-08 | 村田机械株式会社 | Core yarn supplying device and spinning machine |
| CN205775052U (en) * | 2016-05-27 | 2016-12-07 | 抚州市靖淞科技纱业有限公司 | A kind of controllable type heart yarn tensioner |
| CN211057326U (en) * | 2019-11-06 | 2020-07-21 | 江苏华佳丝绸股份有限公司 | Covering yarn mixing device |
| CN113737341A (en) * | 2021-09-15 | 2021-12-03 | 武汉纺织大学 | Elastic sheath-core fiber and preparation method thereof |
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| Publication number | Publication date |
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| CN114855313B (en) | 2023-09-15 |
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