CN112301480B - Flange plate device for automatic doffing and bobbin supporting of rocker frame - Google Patents
Flange plate device for automatic doffing and bobbin supporting of rocker frame Download PDFInfo
- Publication number
- CN112301480B CN112301480B CN202010702668.6A CN202010702668A CN112301480B CN 112301480 B CN112301480 B CN 112301480B CN 202010702668 A CN202010702668 A CN 202010702668A CN 112301480 B CN112301480 B CN 112301480B
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- CN
- China
- Prior art keywords
- doffing
- swing frame
- rocker
- flange
- bobbin
- 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.)
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- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 35
- 230000005540 biological transmission Effects 0.000 claims abstract description 28
- 238000004804 winding Methods 0.000 claims abstract description 25
- 238000005096 rolling process Methods 0.000 claims description 9
- 230000005484 gravity Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000009987 spinning Methods 0.000 abstract description 8
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 239000000835 fiber Substances 0.000 abstract description 4
- 239000012209 synthetic fiber Substances 0.000 abstract description 4
- 229920002994 synthetic fiber Polymers 0.000 abstract description 4
- 229920000742 Cotton Polymers 0.000 abstract description 2
- 230000007246 mechanism Effects 0.000 abstract description 2
- 239000004753 textile Substances 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 abstract 2
- 230000009467 reduction Effects 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H9/00—Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at paying-out or take-up stations ; Combination of spinning-winding machine
- D01H9/02—Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at paying-out or take-up stations ; Combination of spinning-winding machine for removing completed take-up packages and replacing by bobbins, cores, or receptacles at take-up stations; Transferring material between adjacent full and empty take-up elements
- D01H9/04—Doffing arrangements integral with spinning or twisting machines
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
Abstract
A flange plate device of a rocker automatic doffing and supporting bobbin is used in the cotton textile field. An aluminum alloy member is additionally arranged between the inner side of the flange transmission shaft and the inner side of the right flange, so that the adjusting distance between the left swing frame and the right swing frame is 50-350 mm, and the aluminum alloy member is screwed on the flange transmission shaft; by additionally arranging the rocker servo motor, the doffing cylinder and the automatic winding and doffing mechanism, the automatic doffing of the bobbin yarn winding is realized. The invention can process all yarns from natural fibers to synthetic fibers, and can also realize the production of core spun yarns from 40D filaments and acrylic filaments on a spinning frame; after the full bobbin is wound, the doffing servo motor can drive the rocker guide plate to rotate backwards, so that the full bobbin yarn just contacts the doffing conveyor belt, and the doffing cylinder pushes away the left rocker handle, so that automatic doffing is realized. The device has the advantages of simple structure, safety and reliability, production efficiency improvement, automation degree improvement, equipment investment saving, production cost reduction and labor intensity reduction of operators.
Description
Technical Field
The invention relates to the technical field of cotton textile machinery, in particular to a flange plate device for automatic doffing and bobbin supporting of a rocker frame of a precise spinning doubling winder.
Background
The existing precise spinning doubling winder consists of seven modules, such as a winding drum yarn rocker device, an empty pipe frame device, a tension device, a yarn unwinding yarn supply bobbin device, a circulating blowing and sucking device, a dust-proof device, a process and an electrical control cabinet device, adopts a precise winding mode and stepping precise drafting to produce, can process all yarns from natural fibers to synthetic fibers, can operate independently while each spindle phase is consistent with each other, has a maximum winding yarn count range of up to 3000 dtex, and can meet winding customization requirements of various yarn counts.
The reeling bobbin yarn cradle device is a core part of the doubling winder, the reeling packages are reeled according to the process, the hollow tube of each reeling device is a parallel bobbin, the bobbins are clamped by a left flange plate and a right flange plate on the cradle for reeling, and the handles of the left cradle and the right cradle can uniformly move to two sides so as to adjust the distance between the left cradle and the right cradle and ensure the bobbin reeling production with the length of 150mm-350 mm. The reeling bobbin yarn cradle device is driven by the cradle servo motor, the right flange plate is driven under the transmission of the reeling toothed belt, friction force between the bobbin and the right flange plate is increased through knurling on the right flange plate, the bobbin is driven to rotate, and the spring on the left flange plate can automatically finely adjust the size deviation of the bobbin. The yarn guiding servo motor drives the yarn guiding rope driving wheel to drive the yarn guiding rope to swing left and right, the yarn guiding hook on the yarn guiding rope drives the yarn to reciprocate left and right, the yarn rotates through the bobbin to form circular precise winding while reciprocating left and right, and in the winding process, the pressure between the bobbin and the supporting roller is regulated through the sensor, so that the winding can be fully automatically executed. However, after the full bobbin is wound, doffing is needed to be performed manually, an operator opens a left handle by left hand, the full bobbin yarn is placed on the roof board by right hand, the labor intensity is high, the production efficiency is low, and great potential safety hazards exist.
Meanwhile, if 40D filaments and acrylic filaments are to be produced to a spinning frame as core spun yarns, the bobbin length is required to be 80mm-150mm because the bobbin length affects the unwinding of the spinning frame. The distance adjusting range of the existing bobbin yarn rocker arm can only be between 150mm and 350mm, and the production requirement cannot be met.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide the flange device for the automatic doffing of the rocker frame and the supporting bobbin, which changes the manual doffing into the automatic doffing, changes the adjusting distance between the left rocker frame and the right rocker frame of the winding bobbin rocker frame device, and meets the requirement that 40D filaments and acrylic filaments are produced on a spinning frame to produce core spun yarns.
In order to achieve the purpose, an aluminum alloy member is additionally arranged between the inner side of a flange transmission shaft and the inner side of a right flange, so that the adjusting distance between a left swing frame and a right swing frame is 50-350 mm; the left rocker frame and the right rocker frame are in sliding connection with a rocker frame guide plate, two ends of the rocker frame guide plate are fixed on a machine table through left and right fixed brackets, two ends of the rocker frame guide plate are in rolling connection with the left and right fixed brackets through bearings, doffing servo motors fixed on the left and right fixed brackets are connected with two ends of the rocker frame guide plate through doffing toothed belts, the left rocker frame and the right rocker frame can move on the rocker frame guide plate to adjust the distance between the rocker frames, and the rocker frame guide plate can drive the rocker frame guide plate to rotate through the doffing servo motors; two ends of the supporting roller are connected with the machine table in a rolling way through bearings; the two ends of the flange plate transmission shaft are in rolling connection with the right swing frame handle through a bearing and a supporting bearing, a toothed belt wheel sleeved in the middle of the flange plate transmission shaft is meshed with a winding toothed belt, a swing frame servo motor fixed on the right swing frame is connected with the toothed belt wheel on the flange plate transmission shaft through the winding toothed belt, and the swing frame servo motor can drive the flange plate transmission shaft to rotate through the winding toothed belt; one end of the handle of the right rocker frame is connected with the right rocker frame, and the other end of the handle of the right rocker frame is connected with the flange plate transmission shaft through a support bearing and is locked by screws; the upper part of the left rocker handle is fixed with the left rocker, the lower part of the left rocker handle is hinged with the upper part of the left rocker handle through a hinge, the hinge shaft of the left rocker handle is vertical to the transverse rocker guide plate, the cylinder barrel end of the doffing cylinder is fixed on the left rocker, the piston rod end is connected with the middle part of the left rocker handle, the piston rod of the doffing cylinder stretches and contracts, and the lower part of the left rocker handle rotates around the hinge; an adjusting spring is arranged between the left flange plate and the left rocker handle, and the end part is locked by a screw; the reeling rack servo motor drives the aluminum alloy component and the right flange to rotate concentrically through the winding toothed belt through the flange transmission shaft, a bobbin sleeved between the right flange and the left flange simultaneously rotates concentrically, a supporting roller supporting the bobbin rotates in friction contact with the bobbin, the yarn guiding servo motor drives a yarn guiding rope driving wheel, the yarn guiding rope drives a yarn guiding hook to do left-right reciprocating motion, the yarn is pulled by the yarn guiding hook and the bobbin rotates downwards, after the bobbin is wound on the bobbin, the doffing servo motor drives a doffing toothed belt to drive a rocker guide plate to backwards rotate 180 degrees, full bobbin yarn contacts the doffing conveyor belt, a piston rod of a doffing cylinder pushes the lower part of a left rocker handle to open leftwards, and the full bobbin yarn automatically rolls onto the doffing conveyor belt under the action of gravity.
The aluminum alloy member is in clearance fit with the bearing outer ring at the left end of the flange plate transmission shaft, the sleeve is sleeved at the center in the aluminum alloy member, the right flange plate is arranged at the left side of the aluminum alloy member through a positioning boss on the aluminum alloy member, the two ends of the sleeve are propped against the right flange plate and the aluminum alloy member, and the boss of the aluminum alloy member is propped against the end part of the inner ring of the bearing at the left end of the flange plate transmission shaft.
Compared with the prior art, the aluminum alloy member is additionally arranged between the inner side of the flange transmission shaft and the inner side of the right flange, so that the adjusting range of the rocker arm distance of the bobbin is enlarged to be 50-350 mm, not only can all yarns from natural fibers to synthetic fibers be processed, but also 40D filaments and acrylic filaments can be produced on a spinning frame to produce core spun yarns; after the full bobbin is wound, the doffing servo motor can drive the rocker guide plate to rotate backwards, so that the full bobbin yarn just contacts the doffing conveyer belt, and the doffing cylinder pushes away the left rocker handle, so that automatic doffing is realized. The automatic production line has the advantages of simple structure, safety and reliability, capability of effectively improving production efficiency and automation degree, saving repeated equipment investment, reducing production cost and relieving labor intensity of operators.
Drawings
Fig. 1 is a schematic diagram of the structure of the present invention.
Fig. 2 is a schematic diagram of the connection between the aluminum alloy member and the flange drive shaft of fig. 1.
In the figure: 1. a boss; 2. a sleeve; 3. positioning the boss; 4. a screw; 5. an aluminum alloy member; 6. a right flange; 7. a right rocker handle; 8. winding the toothed belt; 9. a yarn guiding hook; 10. a guidewire rope; 11. a wire rope drive wheel; 12. a support roller; 13. a left flange plate; 14. a left swing frame handle; 15. a swing frame servo motor; 16. a rocker guide plate; 17. a fixed bracket; 18. a flange drive shaft; 19. a guide wire rope guide wheel; 20. a left rocker; 21. a right rocker; 22. yarn guiding servo motor; 23. a screw; 24. a support bearing; 25. doffing toothed belt; 26. doffing servo motor; 27. a hinge; 28. doffing cylinder; 29. an adjusting spring; 30. a toothed belt wheel; 31. a bearing; 32. the upper part of the left rocker handle; 33. the lower part of the handle of the left rocker.
Detailed Description
As shown in fig. 1 and 2, an aluminum alloy member 5 with the length of 100mm is additionally arranged between the inner side of a flange transmission shaft 18 and the inner side of a right flange 6, so that the adjusting distance between a left swing frame 20 and a right swing frame 21 is 50-350 mm; the aluminum alloy member 5 is in clearance fit with the outer ring of the bearing 31 at the left end of the flange transmission shaft 18, the sleeve 2 is sleeved at the center in the aluminum alloy member 5, the right flange 6 is arranged at the left side of the aluminum alloy member 5 through the positioning boss 3 on the aluminum alloy member 5, the screw 4 passes through the right flange 6 and the sleeve 2 to be screwed in an inner screw hole on the flange transmission shaft 18, two ends of the sleeve 2 bear against the right flange 6 and the aluminum alloy member 5, and the boss 1 of the aluminum alloy member 5 is propped against the end part of the inner ring of the bearing 31 at the left end of the flange transmission shaft 18. The processing precision requirement of the aluminum alloy member 5 is high and is 0-0.02 mm, so that when the bobbin and the aluminum alloy member 5 rotate in concentric circles, the bobbin does not rotate eccentrically, shake or jump, the aluminum alloy material is light, easy to process and high in strength, and the winding requirement of the bobbin can be met.
The left and right swing frames 20 and 21 are in sliding connection with the swing frame guide plate 16, two ends of the swing frame guide plate 16 are fixed on the machine table through left and right fixed brackets 17, two ends of the swing frame guide plate 16 are in rolling connection with the left and right fixed brackets 17 through bearings, a doffing servo motor 26 fixed on the left and right fixed brackets 17 is connected with two ends of the swing frame guide plate 16 through doffing toothed belts 25, the left and right swing frames 20 and 21 can move on the swing frame guide plate 16 to adjust the distance between the swing frames, and the swing frames can be driven to rotate through the swing frame guide plate 16 through the doffing servo motor 26; two ends of the supporting roller 12 are connected with the machine platform in a rolling way through bearings; the two ends of the flange drive shaft 18 are in rolling connection with the right swing frame handle 7 through a bearing 31 and a support bearing 24, a toothed belt wheel 30 sleeved in the middle of the flange drive shaft 18 is meshed with a winding toothed belt 8, a swing frame servo motor 15 fixed on the right swing frame 21 is connected with the toothed belt wheel 30 on the flange drive shaft 18 through the winding toothed belt 8, and the swing frame servo motor 15 can drive the flange drive shaft 18 to rotate through the winding toothed belt 8; one end of the right rocker handle 7 is connected with the right rocker 21, and the other end is connected with the flange drive shaft 18 through a support bearing 24 and is locked by a screw 23; the upper part 32 of the left swing frame handle 14 is fixed with the left swing frame 20, the left end of the lower part 33 of the left swing frame handle is hinged with the left end of the upper part 32 of the left swing frame handle through a hinge 27, the hinge shaft is vertical to the transverse swing frame guide plate 16, the cylinder end of the doffing cylinder 28 is fixed on the left swing frame 20, the piston rod end is connected with the middle part of the left swing frame handle 14, and the piston rod of the doffing cylinder 28 stretches and contracts to drive the lower part of the left swing frame handle 14 to rotate around the connecting block 27; an adjusting spring 29 is arranged between the left flange plate 13 and the left rocker frame handle 14, the end part is locked by a screw 23, and the adjusting spring 29 can automatically fine-tune the size deviation of the bobbin; the rocker servo motor 15 drives the aluminum alloy member 5 and the right flange 6 to rotate concentrically through the winding toothed belt 8 via the flange transmission shaft 18, the bobbin sleeved between the right flange 6 and the left flange 13 simultaneously rotates concentrically, the supporting roller 12 supporting the bobbin rotates in friction contact with the bobbin, the yarn guiding servo motor 22 drives the yarn guiding rope driving wheel 11, the yarn guiding hook 9 is driven to reciprocate left and right through the yarn guiding rope 10, the yarn is pulled by the yarn guiding hook 9 and rotates on the bobbin, after the bobbin is fully wound, the rocker servo motor 15 automatically stops winding the bobbin, the doffing servo motor 26 drives the doffing toothed belt 25 to drive the rocker guide plate 16 to rotate backwards by 180 degrees, the left and right swing frames 20, 21, the left and right swing frame handles 14, 7, the left and right flanges 13, 6, and the aluminum alloy member 5 on the swing frame guide plate 16 are then rotated back 180 ° to make the full bobbin just contact the doffing conveyor belt, and then the piston rod of the doffing cylinder 28 pushes the lower left swing frame handle portion 33 to open left in a splayed shape around the hinge 27, and the full bobbin automatically rolls onto the doffing conveyor belt under the action of gravity. After the doffing is completed, the doffing servo motor 26 is reversed to drive the rocker guide plate 16 and the mechanism thereon to reset, and the repeated doffing winding and doffing are started. The godet roller 19 can play a role in adjusting the tightness of the godet rope 10.
According to the invention, the aluminum alloy member 5 is additionally arranged between the inner side of the flange transmission shaft 18 and the inner side of the right flange 6, so that the adjusting distance between the left rocker frame 20 and the right rocker frame 21 is enlarged to be 50-350 mm. When processing 40D filaments and acrylic filaments, only the aluminum alloy member 5 is required to be assembled. Not only can all yarns from natural fibers to synthetic fibers be processed, but also 40D filaments and acrylic filaments can be produced on a spinning frame to produce core spun yarns, and automatic doffing can be realized, so that the production efficiency and the automation degree are high, and the labor intensity of operators is reduced.
Claims (1)
1. The utility model provides a flange dish device of frame automatic doffing and support bobbin which characterized in that: an aluminum alloy member (5) is additionally arranged between the inner side of the flange transmission shaft (18) and the inner side of the right flange (6), so that the adjusting distance between the left rocker (20) and the right rocker (21) is 50-350 mm; the left swing frame (20) and the right swing frame (21) are in sliding connection with the swing frame guide plate (16), two ends of the swing frame guide plate (16) are fixed on a machine table through a left fixing bracket and a right fixing bracket (17), two ends of the swing frame guide plate (16) are in rolling connection with the left fixing bracket and the right fixing bracket (17) through bearings, doffing servo motors (26) fixed on the left fixing bracket and the right fixing bracket (17) are connected with two ends of the swing frame guide plate (16) through doffing toothed belts (25), the left swing frame (20) and the right swing frame (21) can move on the swing frame guide plate (16) to adjust the distance between the swing frames, and the swing frame can be driven to rotate through the swing frame guide plate (16) through the doffing servo motors (26); two ends of the supporting roller (12) are connected with the machine table in a rolling way through bearings; the two ends of the flange plate transmission shaft (18) are in rolling connection with the right rocker frame handle (7) through a bearing (31) and a supporting bearing (24), a toothed belt wheel (30) sleeved in the middle of the flange plate transmission shaft (18) is meshed with a winding toothed belt (8), a rocker frame servo motor (15) fixed on the right rocker frame (21) is connected with the toothed belt wheel (30) on the flange plate transmission shaft (18) through the winding toothed belt (8), and the rocker frame servo motor (15) can drive the flange plate transmission shaft (18) to rotate through the winding toothed belt (8); one end of a right rocker frame handle (7) is connected with a right rocker frame (21), and the other end is connected with a flange plate transmission shaft (18) through a support bearing (24) and is locked by a screw (23); the upper part (32) of the left swing frame handle (14) is fixed with the left swing frame (20), the lower part (33) of the left swing frame handle is hinged with the upper part (32) of the left swing frame handle through a hinge (27), the hinge shaft is vertical to the transverse swing frame guide plate (16), the cylinder barrel end of the doffing cylinder (28) is fixed on the left swing frame (20), the piston rod end is connected with the middle part of the left swing frame handle (14), and the piston rod of the doffing cylinder (28) stretches and contracts to drive the lower part (33) of the left swing frame handle to rotate around the hinge (27); an adjusting spring (29) is arranged between the left flange plate (13) and the left rocker handle (14), and the end part is locked by a screw (23); the reeling rack servo motor (15) drives the aluminum alloy component (5) and the right flange (6) to rotate in concentric circles through the coiling toothed belt (8) through the flange transmission shaft (18), a bobbin sleeved between the right flange (6) and the left flange (13) simultaneously rotates in concentric circles, the supporting roller (12) which plays a supporting role on the bobbin rotates in friction contact with the bobbin, the yarn guiding servo motor (22) drives the yarn guiding rope driving wheel (11), the yarn guiding hook (9) is driven to do left and right reciprocating motion through the yarn guiding rope (10), yarn is pulled by the yarn guiding hook (9) and rotates under the bobbin rotation, after the bobbin is fully coiled on the bobbin, the doffing servo motor (26) drives the doffing toothed belt (25) to drive the reeling rack guide plate (16) to reversely rotate 180 DEG, the full cone yarn is contacted with the doffing conveyer belt, a piston rod of a doffing cylinder (28) pushes a lower part (33) of a handle of the left rocker to open leftwards, and the full cone yarn automatically rolls onto the doffing conveyer belt under the action of gravity;
The aluminum alloy member (5) is in clearance fit with the outer ring of the bearing (31) at the left end of the flange plate transmission shaft (18), the sleeve (2) is sleeved at the center in the aluminum alloy member (5), the right flange plate (6) is arranged at the left side of the aluminum alloy member (5) through the positioning boss (3) on the aluminum alloy member (5), the two ends of the sleeve (2) are propped against the right flange plate (6) and the aluminum alloy member (5), and the boss (1) of the aluminum alloy member (5) is propped against the end part of the inner ring of the left end bearing (31) of the flange plate transmission shaft (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010702668.6A CN112301480B (en) | 2020-07-18 | 2020-07-18 | Flange plate device for automatic doffing and bobbin supporting of rocker frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010702668.6A CN112301480B (en) | 2020-07-18 | 2020-07-18 | Flange plate device for automatic doffing and bobbin supporting of rocker frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112301480A CN112301480A (en) | 2021-02-02 |
| CN112301480B true CN112301480B (en) | 2024-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010702668.6A Active CN112301480B (en) | 2020-07-18 | 2020-07-18 | Flange plate device for automatic doffing and bobbin supporting of rocker frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112301480B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009286608A (en) * | 2008-05-30 | 2009-12-10 | Murata Mach Ltd | Automatic winder |
| CN102452583A (en) * | 2010-10-18 | 2012-05-16 | 村田机械株式会社 | Doffer and yarn winding apparatus including the same |
| CN104418162A (en) * | 2013-08-23 | 2015-03-18 | 日本Tmt机械株式会社 | Fiber machinery |
| CN105568448A (en) * | 2016-03-09 | 2016-05-11 | 安徽日发纺织机械有限公司 | Unbroken yarn taking method of rotor spinning doffer and unbroken yarn taking device |
| CN109137166A (en) * | 2018-11-16 | 2019-01-04 | 卓郎（江苏）纺织机械有限公司 | Textile machine with Automatic doffing devices |
| CN212357491U (en) * | 2020-07-18 | 2021-01-15 | 际华三五四二纺织有限公司 | Flange plate device for automatic doffing of swing frame and supporting bobbin |
-
2020
- 2020-07-18 CN CN202010702668.6A patent/CN112301480B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009286608A (en) * | 2008-05-30 | 2009-12-10 | Murata Mach Ltd | Automatic winder |
| CN102452583A (en) * | 2010-10-18 | 2012-05-16 | 村田机械株式会社 | Doffer and yarn winding apparatus including the same |
| CN104418162A (en) * | 2013-08-23 | 2015-03-18 | 日本Tmt机械株式会社 | Fiber machinery |
| CN105568448A (en) * | 2016-03-09 | 2016-05-11 | 安徽日发纺织机械有限公司 | Unbroken yarn taking method of rotor spinning doffer and unbroken yarn taking device |
| CN109137166A (en) * | 2018-11-16 | 2019-01-04 | 卓郎（江苏）纺织机械有限公司 | Textile machine with Automatic doffing devices |
| EP3653554A1 (en) * | 2018-11-16 | 2020-05-20 | Saurer (Jiangsu) Textile Machinery Co. Ltd. | Spinning machine having automatic doffing device |
| CN212357491U (en) * | 2020-07-18 | 2021-01-15 | 际华三五四二纺织有限公司 | Flange plate device for automatic doffing of swing frame and supporting bobbin |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112301480A (en) | 2021-02-02 |
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