CN219470297U - Spinning device for solving spinning flying feather - Google Patents

Spinning device for solving spinning flying feather Download PDF

Info

Publication number
CN219470297U
CN219470297U CN202320370221.2U CN202320370221U CN219470297U CN 219470297 U CN219470297 U CN 219470297U CN 202320370221 U CN202320370221 U CN 202320370221U CN 219470297 U CN219470297 U CN 219470297U
Authority
CN
China
Prior art keywords
roller
steering
yarn guide
spinning
support plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202320370221.2U
Other languages
Chinese (zh)
Inventor
周文龙
李伟
任辉
李朝锋
张红霞
顾琳燕
张艳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Xuanda Polymer Material Co ltd
Original Assignee
Jiangsu Xuanda Polymer Material Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Xuanda Polymer Material Co ltd filed Critical Jiangsu Xuanda Polymer Material Co ltd
Priority to CN202320370221.2U priority Critical patent/CN219470297U/en
Application granted granted Critical
Publication of CN219470297U publication Critical patent/CN219470297U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product
    • Y02P70/62Manufacturing 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

Landscapes

  • Spinning Or Twisting Of Yarns (AREA)

Abstract

The utility model discloses a spinning device for solving spinning hairiness, which comprises a first support plate, a second support plate, a first twisting stopper, a first yarn guide, a second twisting stopper, a second yarn guide, a third twisting stopper, a third yarn guide, a fourth twisting stopper, a fourth yarn guide, a first support roller fixedly arranged on the first support plate, a second support roller fixedly arranged on the second support plate, a first mounting plate arranged at the upper end of the first support plate, a second mounting plate arranged at the upper end of the second support plate, a first steering roller fixed on the first mounting plate and a second steering roller fixed on the second mounting plate, wherein the first support roller and the second support roller are symmetrically arranged at intervals. The utility model can reduce friction force of the filament bundle, prevent spinning from flying feather and waste silk, and improve spinning quality.

Description

Spinning device for solving spinning flying feather
Technical Field
The utility model relates to the technical field of textile equipment, in particular to a spinning device for solving the problem of spinning hairiness.
Background
At present, a plurality of textile machines in a workshop produce DTY, because the number of monofilaments is more, the monofilaments are thinner and are easy to break, and meanwhile, the machine is worn greatly, so that more hairiness is caused on the yarn guides at the positions of the machines, after the hairiness is accumulated for a long time, the hairiness can be wound into yarn strips, waste yarn is clamped, and meanwhile, positions such as a smoke outlet are easy to block, so that the quality of the DTY and a machine table are greatly influenced. After research, the reason why DTY is easy to generate hairiness and waste silk is that: in the original machine, the silk guide at the silk lifting rod is fixed and can not rotate, when the silk bundle passes, the fixed silk guide can not rotate, and a large amount of flocks are accumulated at the silk guide due to long-time friction of the fixed silk guide, so that the problems of flying feather, waste silk and the like are caused, and the production quality of DTY is affected. The manufacturers of textile machines are also unable to provide the solutions for the rotary yarn guides herein. Therefore, a new solution is needed to solve at least one of the above technical problems.
Disclosure of Invention
In view of the above-mentioned shortcomings, the present utility model aims to provide a spinning device for solving the problem of spinning hairiness, by providing a plurality of rotating yarn guides, and each yarn guide is provided with a yarn stop, so that the rotation of the yarn guides reduces the friction force of yarn bundles, the phenomena of hairiness and waste yarn are not easy to generate in spinning, and the spinning quality is improved.
In order to achieve the technical purpose and meet the technical requirements, the utility model adopts the technical scheme that:
the spinning device comprises a first support plate and a second support plate which are symmetrically arranged at intervals, a first yarn guide device arranged at the rear part of the first support plate, a first yarn guide device rotatably arranged on the first yarn guide device, a second yarn guide device arranged at the front part of the first support plate, a second yarn guide device rotatably inserted on the second yarn guide device, a third yarn guide device arranged at the rear part of the second support plate, a third yarn guide device rotatably arranged on the third yarn guide device, a fourth yarn guide device arranged at the front part of the second support plate, a fourth yarn guide device rotatably arranged on the fourth yarn guide device, a first support roller fixedly arranged on the first support plate, a second support roller fixedly arranged on the second support plate, a first mounting plate arranged at the upper end of the first support plate, a second mounting plate arranged at the upper end of the second support plate, a first roller fixedly arranged on the first mounting plate and a second steering roller fixedly arranged on the second mounting plate.
As a preferable technical scheme, the first wire guide, the second wire guide, the third wire guide and the fourth wire guide have the same structure, the first wire guide comprises a cylindrical roller body, and at least 2 annular wire guide grooves are formed in the outer peripheral surface of the roller body.
As the preferable technical scheme, the first backing roll and the second backing roll have the same structure, the first backing roll comprises a left support stop block, a middle support stop block and a right support stop block which are arranged at intervals, a support column is coaxially arranged between the left support stop block and the middle support stop block, and a support column is coaxially arranged between the middle support stop block and the right support stop block.
As the preferable technical scheme, first steering roller and second steering roller structure are the same, first steering roller is including the left dog that turns to that the interval set up, turn to middle dog and turn to right dog, turn to left dog with turn to and be equipped with the spliced pole between the middle dog coaxially, turn to and be equipped with the spliced pole between middle dog and the steering support right dog coaxially.
As a preferable technical scheme, the first support plate and the second support plate are -shaped.
As the preferable technical scheme, the outer circumferential surfaces of the two ends of the roller body are respectively sleeved with 1 outer metal sleeve.
As an optimal technical scheme, the middle part of the roller body is sleeved with 1 middle metal sleeve.
As the preferable technical scheme, the surface of the support left stop block facing the support middle stop block is arc-shaped, the surface of the support right stop block facing the support middle stop block is arc-shaped, the surfaces of the two sides of the support middle stop block are arc-shaped, and the support column is cylindrical.
As the preferable technical scheme, the surface of the steering left stop block facing the steering middle stop block is arc-shaped, the surface of the steering right stop block facing the steering middle stop block is arc-shaped, the surfaces of the two sides of the steering middle stop block are arc-shaped, and the connecting column is cylindrical.
As a preferable technical scheme, the first wire guide, the second wire guide, the third wire guide, the fourth wire guide, the first supporting roller, the second supporting roller, the first steering roller and the second steering roller are made of nylon plastics or ceramics.
The beneficial effects of the utility model are as follows:
1) The rotating yarn guide is matched with the yarn stopping device, so that friction force is reduced when a yarn bundle passes through the yarn guide, and meanwhile, the supporting roller provides tension for the yarn bundle, so that the problems of easy generation of hairiness and waste yarn in spinning are solved, and the spinning quality is improved.
2) Preferably, the silk bundle passes through the silk guide grooves, so that silk bundle jumping is prevented, the spinning effect is better, and meanwhile, a plurality of silk guide grooves are convenient for multi-path silk bundles to pass through, and the production efficiency is improved.
3) Preferably, the support column supports the tows, supports the left stop block, supports the middle stop block and supports the right stop block to limit the tows, prevents wire jumping, is convenient for multipath tows to pass through, and improves production efficiency.
4) Preferably, the steering left stop block, the steering middle stop block and the steering right stop block limit the tows, so that the steering accuracy is improved, the multipath tows can pass through conveniently, and the production efficiency is improved.
5) Preferably, the structure has a supporting function, is simple in structure and is easy to manufacture.
6) Preferably, the outer metal sleeve and the middle metal sleeve protect the roller body, reduce rotation abrasion and avoid collision damage to the roller body.
7) Preferably, the arcuate surface forms a buffer that is not prone to breakage during spinning.
8) Preferably, nylon plastic or ceramic is lightweight and has little abrasion to the tow.
Drawings
Fig. 1 is a block diagram of an embodiment of the present utility model.
Fig. 2 is a view of another direction of fig. 1.
Fig. 3 is a block diagram of a first wire guide according to one embodiment of the present utility model.
Fig. 4 is a structural view of a backup roll according to an embodiment of the present utility model.
Fig. 5 is a structural view of a steering roller according to an embodiment of the present utility model.
In fig. 1-5, 1, a first support plate; 2. a second support plate; 3. a first wire guide; 301. a roller body; 3011. a guide wire groove; 4. a first twist stop; 5. a second wire guide; 6. a second twist stop; 7. a third wire guide; 8. a third twist stop; 9. a fourth wire guide; 10. a fourth twist stop; 11. a first backup roll; 1101. supporting a left stop block; 1102. supporting the intermediate stop; 1103. supporting a right stop block; 1104. a support column; 12. a second support roller; 13. a first mounting plate; 14. a second mounting plate; 15. a first steering roller; 1501. turning to a left stop block; 1502. turning to an intermediate stop; 1503. turning to a right stop; 16. a second steering roller; 17. an outer metal sleeve; 18. an intermediate metal sleeve.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
The same or similar reference numbers in the drawings of embodiments of the utility model correspond to the same or similar components; in the description of the present utility model, it should be understood that, if the terms "top", "bottom", "left", "right", "front", "rear", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, it is merely for convenience in describing the present utility model, and it is not indicated or implied that the devices or elements referred to must have specific orientations, be configured and operated in specific orientations, so that the terms describing the positional relationships in the drawings are merely illustrative and should not be construed as limitations of the present patent, and specific meanings of the terms described above may be understood by those skilled in the art according to specific circumstances.
Referring to fig. 1-5, a spinning device for solving the problem of spinning hairiness according to an embodiment of the present utility model includes a first support plate 1 and a second support plate 2 symmetrically disposed at intervals, a first yarn guide 4 rotatably disposed at the rear of the first support plate 1, a first yarn guide 3 rotatably disposed at the first yarn guide 4, a second yarn guide 6 rotatably disposed at the front of the first support plate 1, a second yarn guide 5 rotatably inserted at the second yarn guide 6, a third yarn guide 8 disposed at the rear of the second support plate 2, a third yarn guide 7 rotatably disposed at the third yarn guide 8, a fourth yarn guide 10 rotatably disposed at the front of the second support plate 2, a fourth yarn guide 9 rotatably disposed at the fourth yarn guide 10, a first support roller 11 fixedly disposed at the first support plate 1, a second support roller 12 fixedly disposed at the second support plate 2, a first support roller 13 disposed at the upper end of the first support plate 1, a second roller 14 fixedly disposed at the second support plate 2, a second roller 14 fixedly disposed at the upper end of the second support plate 1, and a second roller 14 fixedly disposed at the second support plate 14.
The silk bundle gets into first wire guide 3 from first steering roller 15, then through first backing roll 11, finally derive from second wire guide 5, the silk bundle gets into third wire guide 7 from second steering roller 16, then through second backing roll 12, finally derive from fourth wire guide 9, can realize multichannel silk bundle spinning like this simultaneously, improve production efficiency, simultaneously, every wire guide cooperates a twist stopper, reduces the frictional force of silk bundle, solves the spinning and easily produces the problem of flying feather, waste silk, has improved spinning quality.
The rotation modes of the yarn guides (the first, second, third and fourth yarn guides 3, 5, 7 and 9) and the specific structures of the twist stoppers (the first, second, third and fourth twist stoppers 4, 6, 8 and 10) and the installation of the yarn guides are all of the existing structures when the yarn bundles pass through the yarn guides, and the improvement of the yarn guides is not related to the application, and is not repeated here.
As shown in fig. 1-5, in some embodiments, the first wire guide 3, the second wire guide 5, the third wire guide 7 and the fourth wire guide 9 have the same structure, the first wire guide 3 comprises a cylindrical roller body 301, at least 2 annular wire guide grooves 3011 are formed in the outer peripheral surface of the roller body 301, a connecting shaft is coaxially inserted into the roller body 301 and is connected with the first twist stop 4, the roller body 301 rotates, a wire bundle passes through the wire guide grooves 3011, wire bundle skipping is prevented, the spinning effect is better, and meanwhile, a plurality of wire guide grooves 3011 are convenient for multi-path wire bundle passing, and production efficiency is improved.
Further, the guide wire groove 3011 is arc-shaped, so that friction of the filament bundle is reduced.
As shown in fig. 1-5, in some embodiments, the first supporting roller 11 and the second supporting roller 12 have the same structure, the first supporting roller 11 includes a supporting left stop 1101, a supporting middle stop 1102 and a supporting right stop 1103 that are disposed at intervals, a supporting column 1104 is coaxially disposed between the supporting left stop 1101 and the supporting middle stop 1102, a supporting column 1104 is coaxially disposed between the supporting middle stop 1102 and the supporting right stop 1103, 1 connecting shaft is coaxially inserted on the supporting column 1104, the first supporting roller 11 is connected with the first supporting plate 1 through the connecting shaft, the supporting column 1104 forms a support for the filament bundle, the supporting left stop 1101, the supporting middle stop 1102 and the supporting right stop 1103 limit the filament bundle, and prevent filament skipping, and the supporting left stop 1101, the supporting middle stop 1102 and the supporting right stop 1103 form two spinning gaps, so as to facilitate multipath filament bundle passing, and improve production efficiency.
Further, the supporting left stop block 1101, the supporting middle stop block 1102, the supporting right stop block 1103 and the supporting column 1104 are of an integrated structure, the integrity is good, the surface of the supporting left stop block 1101 facing the supporting middle stop block 1102 is arc-shaped, the surface of the supporting right stop block 1103 facing the supporting middle stop block 1102 is arc-shaped, the surfaces of the two sides of the supporting middle stop block 1102 are arc-shaped, the supporting column 1104 is cylindrical, buffering is formed on the arc-shaped surfaces, and the filament bundles are not easy to break in the spinning process.
As shown in fig. 1-5, in some embodiments, the first steering roller 15 and the second steering roller 16 have the same structure, the first steering roller 15 includes a steering left stop 1501, a steering middle stop 1502 and a steering right stop 1503 that are disposed at intervals, a connecting column is coaxially disposed between the steering left stop 1501 and the steering middle stop 1502, a connecting column is coaxially disposed between the steering middle stop 1502 and the steering right stop, 1 connecting shaft is inserted on the connecting column, the first steering roller 15 is connected with the first mounting plate 13 through the connecting shaft, the steering left stop 1501, the steering middle stop 1502 and the steering right stop 1503 limit the tow, the steering is more accurate, the steering left stop 1501, the steering middle stop 1502 and the steering right stop 1503 form two spinning gaps, so that multiple tows can pass through conveniently, and the production efficiency is improved.
Further, the steering left stopper 1501, the steering middle stopper 1502, the steering right stopper 1503 and the connecting column are of an integrated structure, the integrity is good, the surface of the steering left stopper 1501 facing the steering middle stopper 1502 is arc-shaped, the surface of the steering right stopper 1503 facing the steering middle stopper 1502 is arc-shaped, the surfaces of the two sides of the steering middle stopper 1502 are arc-shaped, the connecting column is cylindrical, buffering is formed on the arc-shaped surfaces, and the yarn bundles are not easy to break in the spinning process.
As shown in fig. 1-5, in some embodiments, the first support plate 1 and the second support plate 2 are -shaped, the first support plate 1 and the second support plate 2 are placed on a working platform, the -shaped structure can form a support, the whole structure is more stable, and the first support plate 1 and the second support plate 2 are respectively connected with a frame on a textile machine, which is not described again.
As shown in fig. 1 to 5, in some embodiments, the outer circumferential surfaces of two ends of the roller 301 are respectively sleeved with 1 outer metal sleeve 17, and collision or abrasion may occur to the roller 301 during spinning, and the roller 301 is protected by the outer metal sleeves 17, so that the service life is prolonged.
As shown in fig. 1-5, in some embodiments, 1 middle metal sleeve 18 is sleeved on the middle portion of the roller 301, and collision or abrasion may occur to the roller 301 during spinning, and the roller 301 is protected by the middle metal sleeve 18, so that the service life is prolonged.
As shown in fig. 1-5, in some embodiments, the first wire guide 3, the second wire guide 5, the third wire guide 7, the fourth wire guide 9, the first supporting roller 11, the second supporting roller 12, the first steering roller 15 and the second steering roller 16 are made of nylon plastic or ceramic, and the nylon plastic or ceramic has light weight and small abrasion to the tows.
After the spinning device is used, hairiness on a machine is greatly reduced, the condition of DTY hairiness is improved, staff can be regularly arranged to clean before refitting due to the fact that the hairiness on the machine is high, daily workload of staff is large, after the spinning device is used, the hairiness is reduced, the frequency of staff cleaning the hairiness is greatly reduced, and the workload of staff is greatly reduced; meanwhile, the quality of the DTY is greatly improved due to the reduction of hairiness.
The original fixed ceramic yarn guide is selected to be compared with the spinning device provided by the utility model, the situation that the yarn is fully wound on a winding drum to observe the hairiness on a yarn path and the hairiness of a DTY bobbin is made, and experimental results show that the number of spindle position hairiness of the spinning device is smaller, and meanwhile, the situation that the number of spindle position hairiness of the spinning device is smaller is known by comparing the appearance situation of the DTY.
Meanwhile, the post feedback waste silk spindle clamping positions are counted, and half month data are counted, so that after staff are studied, the phenomenon that the machine works more easily after the spinning device is replaced is generally reflected, the workload is greatly reduced, the post feedback waste silk spindle clamping positions are not needed, the machine without the spinning device is provided with 3 spindles, and the number of the waste silk spindle clamping positions is obviously reduced.
The above examples are provided for the purpose of clearly illustrating the utility model and are not to be construed as limiting the utility model, and other variants and modifications of the various forms may be made by those skilled in the art based on the description, which are not intended to be exhaustive of all embodiments, and obvious variants or modifications of the utility model may be found within the scope of the utility model.

Claims (10)

1. The spinning device for solving the spinning hairiness is characterized by comprising a first support plate and a second support plate which are symmetrically arranged at intervals, a first yarn guide arranged at the rear part of the first support plate, a first yarn guide rotatably arranged on the first yarn guide, a second yarn guide arranged at the front part of the first support plate, a second yarn guide rotatably inserted on the second yarn guide arranged at the second yarn guide, a third yarn guide arranged at the rear part of the second support plate, a third yarn guide rotatably arranged on the third yarn guide, a fourth yarn guide arranged at the front part of the second support plate, a fourth yarn guide rotatably arranged on the fourth yarn guide, a first support roller fixedly arranged on the first support plate, a second support roller fixedly arranged on the second support plate, a first roller arranged at the upper end of the first support plate, a second roller arranged at the upper end of the second support plate, a first roller fixedly arranged on the first support plate and a second roller fixedly arranged on the second mounting plate.
2. The spinning device for solving the problem of spinning hairiness according to claim 1, wherein the first yarn guide, the second yarn guide, the third yarn guide and the fourth yarn guide have the same structure, the first yarn guide comprises a cylindrical roller body, and at least 2 annular yarn guide grooves are arranged on the outer peripheral surface of the roller body.
3. The spinning device for solving the spinning hairiness according to claim 1, wherein the first supporting roller and the second supporting roller have the same structure, the first supporting roller comprises a left supporting block, a middle supporting block and a right supporting block which are arranged at intervals, a supporting column is coaxially arranged between the left supporting block and the middle supporting block, and a supporting column is coaxially arranged between the middle supporting block and the right supporting block.
4. The spinning device for solving the spinning hairiness according to claim 1, wherein the first steering roller and the second steering roller have the same structure, the first steering roller comprises a steering left stop block, a steering middle stop block and a steering right stop block which are arranged at intervals, a connecting column is coaxially arranged between the steering left stop block and the steering middle stop block, and a connecting column is coaxially arranged between the steering middle stop block and the steering right stop block.
5. The spinning device for solving the problem of spinning hairiness according to claim 1, wherein the first support plate and the second support plate are -shaped.
6. The spinning device for solving the problem of spinning hairiness according to claim 2, wherein the outer circumferential surfaces of the two ends of the roller body are respectively sleeved with 1 outer metal sleeve.
7. The spinning device for solving the problem of spinning hairiness according to claim 2, wherein the middle part of the roller body is sleeved with 1 middle metal sleeve.
8. A spinning device for solving the problem of spinning hairiness according to claim 3, wherein the surface of the support left stopper facing the support middle stopper is arc-shaped, the surface of the support right stopper facing the support middle stopper is arc-shaped, the surfaces of both sides of the support middle stopper are arc-shaped, and the support column is cylindrical.
9. The spinning device for solving the problem of spinning hairiness according to claim 4, wherein the surface of the steering left stop block facing the steering middle stop block is arc-shaped, the surface of the steering right stop block facing the steering middle stop block is arc-shaped, the surfaces of the two sides of the steering middle stop block are arc-shaped, and the connecting column is cylindrical.
10. The spinning device for solving the problem of spinning hairiness according to any one of claims 1 to 9, wherein the first wire guide, the second wire guide, the third wire guide, the fourth wire guide, the first support roller, the second support roller, the first steering roller and the second steering roller are made of nylon plastic or ceramic.
CN202320370221.2U 2023-03-03 2023-03-03 Spinning device for solving spinning flying feather Active CN219470297U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320370221.2U CN219470297U (en) 2023-03-03 2023-03-03 Spinning device for solving spinning flying feather

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320370221.2U CN219470297U (en) 2023-03-03 2023-03-03 Spinning device for solving spinning flying feather

Publications (1)

Publication Number Publication Date
CN219470297U true CN219470297U (en) 2023-08-04

Family

ID=87467624

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320370221.2U Active CN219470297U (en) 2023-03-03 2023-03-03 Spinning device for solving spinning flying feather

Country Status (1)

Country Link
CN (1) CN219470297U (en)

Similar Documents

Publication Publication Date Title
CN101126188B (en) Device and method for spinning core-spun yarn
CN201148496Y (en) Ball warp beaming machine with multi-flection tension ring pressure device
CN102953172B (en) There is the textile machine of multiple station
CN219470297U (en) Spinning device for solving spinning flying feather
CN211971293U (en) Novel doubling winder
CN202181141U (en) Winding machine
JPH0219520A (en) Twisting machine
CN215797560U (en) Vertical doubling pay-off is used in textile processing
CN112410944A (en) Magnetic force winding type high-speed two-for-one twisting spinning machine
CN211112395U (en) Quick replacement's two-for-one twister spindle mechanism
CN112391708B (en) Locking device for spinning spindle or twisting spindle
CN102351117B (en) Cheese winder
CN213266842U (en) High-efficient wire device of collective doffer
CN210064748U (en) Portable polyester yarn winding device
CN210505012U (en) Spinning winding device
JPH07278973A (en) Roving guide for fine spinning frame
CN219078729U (en) Spandex yarn doubling device
JP2719422B2 (en) Twist winding machine
CN210973385U (en) Bobbin winder groove drum roller cleaning device
CN2883414Y (en) Appts. for spinning non-elastic cored yarn for fine spinning machine
EP2452002B1 (en) Device and method for making a core yarn
CN217459718U (en) Active yarn feeding type yarn covering machine
CN217948370U (en) Winding structure of spinning frame
CN220665536U (en) Novel four-for-one twisting machine
CN219137077U (en) Circular knitting machine convenient for yarn feeding

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant