CN112251856B - Twisting frame with spun yarn tension adjusting function - Google Patents
Twisting frame with spun yarn tension adjusting function Download PDFInfo
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- CN112251856B CN112251856B CN202011097713.6A CN202011097713A CN112251856B CN 112251856 B CN112251856 B CN 112251856B CN 202011097713 A CN202011097713 A CN 202011097713A CN 112251856 B CN112251856 B CN 112251856B
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- 230000007246 mechanism Effects 0.000 claims description 8
- 239000004020 conductor Substances 0.000 claims description 6
- 238000005192 partition Methods 0.000 claims description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 14
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 14
- 241001330002 Bambuseae Species 0.000 abstract description 14
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 14
- 239000011425 bamboo Substances 0.000 abstract description 14
- 230000006870 function Effects 0.000 abstract description 11
- 230000009711 regulatory function Effects 0.000 abstract description 4
- 238000004804 winding Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
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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
- D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
- D01H1/14—Details
- D01H1/18—Supports for supply packages
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
- D01H1/14—Details
- D01H1/20—Driving or stopping arrangements
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
- D01H1/14—Details
- D01H1/36—Package-shaping arrangements, e.g. building motions, e.g. control for the traversing stroke of ring rails; Stopping ring rails in a predetermined position
-
- 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
- D01H13/04—Guides for slivers, rovings, or yarns; Smoothing dies
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Structural Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
The invention discloses a twisting machine with a spun yarn tension adjusting function, which comprises an operation table, wherein the upper surface of the operation table is fixedly connected with a fixing box, a low-speed motor and a fixing seat respectively, the upper surface of the fixing box is provided with two strip-shaped holes, an output shaft of the low-speed motor is fixedly connected with a threaded rod, and the left end of the threaded rod penetrates through the right side of the fixing box and extends to the left inner wall of the fixing box. This twisting frame with spun yarn pulling force regulatory function, through setting up fixed box, the low-speed motor, have the threaded rod of two kinds of screw threads in the positive and negative direction, the low-speed motor drives the threaded rod and rotates, the threaded rod drives first sleeve and second sleeve and is in opposite directions or relative movement, and then drive a first wire section of thick bamboo and a second wire section of thick bamboo and remove, through setting up a well wire post and a first wire section of thick bamboo, distance between a second wire section of thick bamboo removes, make twisting frame can carry out the pulling force to the yarn and adjust, thereby realized twisting frame regulation tensile function, and the work efficiency is improved.
Description
Technical Field
The invention relates to the technical field of twisting machines, in particular to a twisting machine with a spun yarn tension adjusting function.
Background
The twisting machine is a textile machinery device for twisting a plurality of strands of spun yarns into one strand, and has the function of processing the yarns or the plied yarn products into linear products and threads for weaving and knitting.
The twisting machine is in the twisting process, the pulling force of stranded yarns can be changed in the twisting process, if the pulling force of the yarns is found to be changed in the working process of the twisting machine, the twisting machine is usually required to be stopped, then the pulling force of the yarns is manually adjusted, otherwise, the twisted yarns can be too loose or too tight, the quality of the twisting is influenced, and the working efficiency is reduced.
In view of the above-mentioned problems, the present application provides a twisting machine having a spun yarn tension adjusting function.
Disclosure of Invention
The present invention is directed to a twisting machine having a spun yarn tension adjusting function, which solves the problems of the related art.
In order to achieve the purpose, the invention provides the following technical scheme: a twisting machine with a spun yarn tension adjusting function comprises an operation table, wherein the upper surface of the operation table is respectively and fixedly connected with a fixing box, a low-speed motor, a twisting mechanism and a fixing seat, the upper surface of the fixing box is provided with two strip-shaped holes, an output shaft of the low-speed motor is fixedly connected with a threaded rod, the left end of the threaded rod penetrates through the right side of the fixing box and extends to the left inner wall of the fixing box, the left end of the threaded rod is rotatably connected with the left inner wall of the fixing box through a bearing, the outer surface of the threaded rod is respectively in threaded connection with a first sleeve, a partition bearing and a second sleeve, the upper surfaces of the first sleeve and the second sleeve are respectively and fixedly connected with a connecting rod, the top end of the connecting rod penetrates through the strip-shaped holes and is fixedly connected with a connecting seat, the upper surface of the connecting seat is provided with a thread groove, and the inner wall of the thread groove is in threaded connection with a thread bearing, the upper surface of the threaded bearing is fixedly connected with a first wire guide cylinder and a second wire guide cylinder respectively.
Preferably, the upper surface of the operating platform is fixedly connected with a connecting column, the top of the connecting column is rotatably connected with a middle conductor column through a bearing, the outer surface of the middle conductor column is sleeved with a limiting ring, and the limiting ring is made of rubber.
Preferably, the upper surface of the fixing seat is fixedly connected with a driving motor, and an output shaft of the driving motor is fixedly connected with a winding reel.
Preferably, the surface of the threaded rod is provided with a positive thread and a negative thread, the two threads are distributed on the surface of the threaded rod by taking the partition bearing as a boundary, and the inner walls of the first sleeve and the second sleeve are in threaded connection with the positive thread and the negative thread respectively.
Preferably, the front surface of the operating platform is fixedly connected with a control panel, and the control panel is electrically connected with the low-speed motor and the driving motor through leads.
Preferably, the low-speed motor is a low-speed servo motor and is of a type GA 12-N20.
Advantageous effects
The invention provides a twisting machine with a spun yarn tension adjusting function, which has the following beneficial effects:
1. this twisting frame with spun yarn pulling force regulatory function, through setting up fixed box, the low-speed motor, have the threaded rod of two kinds of screw threads in the positive and negative direction, the low-speed motor drives the threaded rod and rotates, the threaded rod drives first sleeve and second sleeve and is in opposite directions or relative movement, and then drive a first wire section of thick bamboo and a second wire section of thick bamboo and remove, through setting up a well wire post and a first wire section of thick bamboo, distance between a second wire section of thick bamboo removes, make twisting frame can carry out the pulling force to the yarn and adjust, thereby realized twisting frame regulation tensile function, and the work efficiency is improved.
2. This twisting frame with spun yarn pulling force regulatory function through the spacing ring that the wire post surface cup jointed in setting up, can adjust the position of spacing ring at any time according to the wire winding condition, carries out limiting displacement to the yarn, has made things convenient for the wire winding operation, through the recess threaded connection that sets up can take threaded bearing and connecting seat, can conveniently change the wire section of thick bamboo of different specifications, has improved this twisting frame's practicality.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention.
In the figure: the wire twisting machine comprises an operation table 1, a fixed box 2, a low-speed motor 3, a threaded rod 4, a first sleeve 5, a partition bearing 6, a second sleeve 7, a connecting rod 8, a connecting seat 9, a threaded bearing 10, a first wire guide cylinder 11, a second wire guide cylinder 12, a middle wire guide column 13, a limit ring 14, a driving motor 15, a winding cylinder 16, a control panel 17 and a twisting mechanism 18.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a twist with fingers line mechanism with spun yarn pulling force regulatory function, includes operation panel 1, the fixed box 2 of upper surface difference fixedly connected with of operation panel 1, low-speed motor 3, twisting mechanism 18 and fixing base, the upper surface fixedly connected with spliced pole of operation panel 1, the top of spliced pole is connected with well conductor post 13 through the bearing rotation, the surface of well conductor post 13 has cup jointed spacing ring 14, the material of spacing ring 14 is rubber.
Two bar holes have been seted up to the upper surface of fixation box 2, low-speed motor 3's output shaft fixedly connected with threaded rod 4, the left end of threaded rod 4 runs through fixation box 2's right side and extends to fixation box 2's left inner wall, the left end of threaded rod 4 passes through the bearing and is connected with fixation box 2's left inner wall rotation, threaded rod 4's surface threaded connection has first sleeve 5 respectively, cut off bearing 6 and second sleeve 7, the equal fixedly connected with connecting rod 8 in upper surface of first sleeve 5 and second sleeve 7, bar hole and fixedly connected with connecting seat 9 are passed on the top of connecting rod 8, the thread groove has been seted up to the upper surface of connecting seat 9, the inner wall threaded connection of thread groove has screw bearing 10, screw bearing 10's upper surface is first wire barrel 11 of fixedly connected with and second wire barrel 12 respectively.
Through setting up fixed box 2, low-speed motor 3, have threaded rod 4 of two kinds of screw threads in the positive and negative direction, low-speed motor 3 drives threaded rod 4 and rotates, threaded rod 4 drives first sleeve 5 and second sleeve 7 and does in opposite directions or relative movement, and then drive first wire section of thick bamboo 11 and the removal of second wire section of thick bamboo 12, through setting up well wire post 13 and first wire section of thick bamboo 11, distance between the second wire section of thick bamboo 12 removes, make the twisting frame can carry out the pulling force to the yarn and adjust, thereby realized the tensile function of twisting frame regulation, and the work efficiency is improved.
The last fixed surface of fixing base is connected with driving motor 15, driving motor 15's output shaft fixedly connected with bobbin 16, the surface of threaded rod 4 is provided with just, two kinds of screw threads of reversal, two kinds of screw threads use to cut off bearing 6 and distribute on the surface of threaded rod 4 as the border, the inner wall of first sleeve 5 and second sleeve 7 respectively with just, reverse screw thread carries out threaded connection, the positive fixedly connected with control panel 17 of operation panel 1, control panel 17 and low-speed motor 3, driving motor 15 all passes through wire electric connection, low-speed motor 3 is low-speed servo motor, and the model is GA 12-N20.
Through the spacing ring 14 that the surface of wire post 13 cup jointed in setting up, can adjust the position of spacing ring 14 at any time according to the wire winding condition, carry out limiting displacement to the yarn, made things convenient for the wire winding operation, through the recess threaded connection who sets up threaded bearing 10 and connecting seat 9, can conveniently change the wire section of thick bamboo of different specifications, improved the practicality of this twisting frame.
The working principle is as follows: when the device is used, firstly, a plurality of strands of yarns are sequentially wound on the surfaces of a first yarn guide cylinder 11, a middle yarn guide column 13 and a second yarn guide cylinder 12, then, the yarns coming out of the second yarn guide cylinder 12 enter a twisting mechanism 18, the yarns coming out of the twisting mechanism 18 are wound on the surface of a winding cylinder 16, then, a low-speed motor 3 switch of a control panel 17 on an operation table 1 is turned on, the low-speed motor 3 rotates to drive a threaded rod 4 to rotate, the threaded rod 4 with positive and reverse threads drives the first yarn guide cylinder 11 and the second yarn guide cylinder 12 to move oppositely or relatively, so that the distance between the first yarn guide cylinder 11, the second yarn guide cylinder 12 and the middle yarn guide column 13 is changed, the device can tension and adjust the yarns, then, a driving motor 15 switch of the control panel 17 and the twisting mechanism 18 are turned on to perform twisting operation, the driving motor 15 drives the winding cylinder 16 to perform winding operation, and when the yarns are wound too tightly or too loosely, the tension of the yarn can be adjusted by opening the switch of the low-speed motor 3, so that the purpose of manually adjusting the tension of the twisting machine is achieved.
In one embodiment, when the device twists yarns, the distance between the first yarn guide drum (11) and the second yarn guide drum (12) can be adjusted according to the tightness of the current yarns, and meanwhile, the rotating speed of the driving motor (15) is adjusted so as to adjust the twisting speed and accelerate the adjustment of the tightness of the yarns, so that the adjustment time is saved; the tightness degree of the yarn can be judged by the tension of the yarn, the tension of the yarn wound on the first yarn guide cylinder (11) and the second yarn guide cylinder (12) in the twisting process can be equivalent to the pressure between the first yarn guide cylinder (11) and the threaded rod (4) and the second yarn guide cylinder (12) and the threaded rod (4), so that a pressure sensor is added at the junction of the first yarn guide cylinder (11) and the threaded rod (4) and the second yarn guide cylinder (12) and the threaded rod (4) at present, the tension of the yarn between the first yarn guide cylinder (11) and the second yarn guide cylinder (12) can be measured, the distance adjustment amount of the first yarn guide cylinder (11) and the second yarn guide cylinder (12) and the rotation speed adjusted by the driving motor (15) are obtained according to the tension, and the adjustment time (namely, the low-speed motor (3) is obtained according to the real-time distance adjustment amount, the rotation speed adjusted by the driving motor (15) and the rotation speed of the low-speed motor (3) Rotation time) of the control panel, accordingly, the control panel performs the steps of:
step A1: obtaining the distance adjustment amount of the first wire guide cylinder 11 and the second wire guide cylinder 12 according to the pressure value measured by the sensor by using the formula (1):
wherein Δ H represents an adjustment amount of the distance between the first wire barrel 11 and the second wire barrel 12; f represents a preset standard tension value of the yarn; f11Representing a pressure value between the first guide wire cylinder (11) and the threaded rod (4) measured by the sensor; f12Represents the pressure value between the second guide wire cylinder (12) and the threaded rod (4) measured by the sensor; r represents the yarn cross-sectional radius; epsilon represents the elastic modulus of the yarn (the value is 1.95 multiplied by 10^5N/mm ^ 2);
step A2: and (3) obtaining the rotation speed of the driving motor (15) after adjustment according to the pressure value measured by the sensor by using a formula (2):
wherein V15Indicating the adjusted rotation speed of the driving motor (15);
indicating the rotation speed of the driving motor (15) before adjustment;
step A3: obtaining an adjusting time according to the real-time adjusting amount of the distance between the first wire guide cylinder 11 and the second wire guide cylinder 12, the rotating speed adjusted by the driving motor (15) and the rotating speed of the low-speed motor (3) by using a formula (3):
obtaining the value of t (t is more than 0) according to the formula, wherein t represents the adjustment time, namely the rotation time of the low-speed motor (3); v3Represents the rotational speed of the low-speed motor (3);
according to the steps and the formula, a control panel (17) controls the rotating speed of the driving motor (15) and the rotating time of the low-speed motor (3), and the rotating speed of the driving motor (15) is adjusted to be V through control15(ii) a The rotating time of the low-speed motor (3) is controlled to be t, and the positive and negative values of the delta H value represent the rotating direction of the low-speed motor (3), namely the opposite or relative moving direction of the first wire barrel (11) and the second wire barrel (12);
when the delta H is less than 0, the yarn is too tight, and the low-speed motor (3) is controlled to enable the first yarn guide cylinder (11) and the second yarn guide cylinder (12) to move relatively; when Δ H > 0, it means that the yarn is too loose, it is necessary to control the low-speed motor (3) so that the first guide cylinder (11) and the second guide cylinder (12) move towards each other.
The beneficial effects of the above technical scheme are: obtaining the distance adjustment amount of the first yarn guiding drum 11 and the second yarn guiding drum 12 by using the formula (1) in the step a1, so that the optimal tension of the yarn can be achieved by adjusting according to the distance adjustment amount; then, the rotation speed of the driving motor (15) after adjustment is obtained by using a formula (2) in the step A2, and the rotation speed of the driving motor (15) is adjusted by using a control panel (17), so that the yarn twisting speed is adjusted to accelerate the adjustment of the tightness of the yarns, and the adjustment time is saved; finally, obtaining an adjustment time by using a formula (3) in the step A3, so that the rotation time of the low-speed motor (3) is adjusted by using a control panel (17), and the rotation direction of the low-speed motor (3) is obtained by the positive and negative values of the distance adjustment quantity of the first wire guide cylinder 11 and the second wire guide cylinder 12; the above formulas and steps speed up the adjustment time and all adjustments are performed automatically, enhancing the efficiency and degree of automation of the system.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A twisting machine with a spun yarn tension adjusting function comprises an operation table (1), and is characterized in that: the upper surface of the operating table (1) is respectively and fixedly connected with a fixed box (2), a low-speed motor (3), a twisting mechanism (18) and a fixed seat, the upper surface of the fixed box (2) is provided with two strip-shaped holes, an output shaft of the low-speed motor (3) is fixedly connected with a threaded rod (4), the left end of the threaded rod (4) penetrates through the right side of the fixed box (2) and extends to the left inner wall of the fixed box (2), the left end of the threaded rod (4) is rotatably connected with the left inner wall of the fixed box (2) through a bearing, the outer surface of the threaded rod (4) is respectively in threaded connection with a first sleeve (5), a partition bearing (6) and a second sleeve (7), the upper surfaces of the first sleeve (5) and the second sleeve (7) are respectively and fixedly connected with a connecting rod (8), the top end of the connecting rod (8) penetrates through the strip-shaped holes and is fixedly connected with a connecting seat (9), a threaded groove is formed in the upper surface of the connecting seat (9), a threaded bearing (10) is connected to the inner wall of the threaded groove in a threaded mode, and a first wire guide cylinder (11) and a second wire guide cylinder (12) are fixedly connected to the upper surface of the threaded bearing (10) respectively;
the front side of the operating platform (1) is fixedly connected with a control panel (17), and the control panel (17) is electrically connected with the low-speed motor (3) and the driving motor (15) through leads;
wherein the control panel performs the steps of:
step A1: obtaining the distance adjustment amount of the first wire guide cylinder (11) and the second wire guide cylinder (12) according to the pressure value measured by the sensor by using the formula (1):
wherein Δ H represents a distance adjustment of the first wire guide cylinder (11) and the second wire guide cylinder (12); f represents a preset standard tension value of the yarn; f11Representing a pressure value between the first guide wire cylinder (11) and the threaded rod (4) measured by the sensor; f12Represents the pressure value between the second guide wire cylinder (12) and the threaded rod (4) measured by the sensor; r represents the yarn cross-sectional radius; epsilon represents the elastic modulus of the yarn and takes the value of 1.95 multiplied by 10^5N/mm ^ 2;
step A2: and (3) obtaining the rotation speed of the driving motor (15) after adjustment according to the pressure value measured by the sensor by using a formula (2):
wherein V15Indicating the adjusted rotation speed of the driving motor (15);
indicating the rotation speed of the driving motor (15) before adjustment;
step A3: obtaining an adjusting time according to the real-time adjusting quantity of the distance between the first wire guide cylinder (11) and the second wire guide cylinder (12), the rotating speed adjusted by the driving motor (15) and the rotating speed of the low-speed motor (3) by using a formula (3):
obtaining the value of t (t is more than 0) according to the formula, wherein t represents the adjustment time, namely the rotation time of the low-speed motor (3); v3Represents the rotational speed of the low-speed motor (3);
according to the steps and the formula, a control panel (17) controls the rotating speed of the driving motor (15) and the rotating time of the low-speed motor (3), and the rotating speed of the driving motor (15) is adjusted to be V through control15(ii) a The rotating time of the low-speed motor (3) is controlled to be t, and the positive and negative values of the delta H value represent the rotating direction of the low-speed motor (3), namely the opposite or relative moving direction of the first wire barrel (11) and the second wire barrel (12);
when the delta H is less than 0, the yarn is too tight, and the low-speed motor (3) is controlled to enable the first yarn guide cylinder (11) and the second yarn guide cylinder (12) to move relatively; when Δ H > 0, it means that the yarn is too loose, it is necessary to control the low-speed motor (3) so that the first guide cylinder (11) and the second guide cylinder (12) move towards each other.
2. The twisting machine with a spun yarn tension adjusting function according to claim 1, wherein: the upper surface of the operating table (1) is fixedly connected with a connecting column, the top of the connecting column is rotatably connected with a middle conductor column (13) through a bearing, the outer surface of the middle conductor column (13) is sleeved with a limiting ring (14), and the limiting ring (14) is made of rubber.
3. The twisting machine with a spun yarn tension adjusting function according to claim 1, wherein: the upper surface of fixing base fixed connection has driving motor (15), the output shaft fixed connection of driving motor (15) has bobbin (16).
4. The twisting machine with a spun yarn tension adjusting function according to claim 1, wherein: the surface of the threaded rod (4) is provided with a forward thread and a reverse thread, the two threads are distributed on the surface of the threaded rod (4) by taking the partition bearing (6) as a boundary, and the inner walls of the first sleeve (5) and the second sleeve (7) are respectively in threaded connection with the forward thread and the reverse thread.
5. The twisting machine with a spun yarn tension adjusting function according to claim 1, wherein: the low-speed motor (3) is a low-speed servo motor and has the model of GA 12-N20.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011097713.6A CN112251856B (en) | 2020-10-14 | 2020-10-14 | Twisting frame with spun yarn tension adjusting function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011097713.6A CN112251856B (en) | 2020-10-14 | 2020-10-14 | Twisting frame with spun yarn tension adjusting function |
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| CN112251856B true CN112251856B (en) | 2021-09-07 |
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| CN101139764A (en) * | 2007-02-15 | 2008-03-12 | 东华大学 | Cotton drill drafting force on-line detecting device and method |
| CN208308113U (en) * | 2018-06-04 | 2019-01-01 | 绍兴特斯林网业有限公司 | A kind of wire vent tension-adjusting gear on winding machine |
| CN209941381U (en) * | 2019-03-07 | 2020-01-14 | 绍兴柯桥区鑫亿旺针织有限公司 | Twisting frame easy to adjust tension |
| CN110528129A (en) * | 2019-09-09 | 2019-12-03 | 徐州久源纺织有限公司 | A kind of broken string observation device for cotton carding flower twisting machine |
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Effective date of registration: 20240919 Address after: 415900 West Side of 4th Floor, Building 4, Qilin Road Small and Medium sized Enterprise Entrepreneurship Park, High tech Industrial Park, Hanshou County, Changde City, Hunan Province Patentee after: Hanshou Zhenpeng Hemp Industry Co.,Ltd. Country or region after: China Address before: 415900 No.1, Yinyang Road, South District Community Neighborhood Committee, jiangjiazui Town, Hanshou County, Changde City, Hunan Province Patentee before: Hanshou Hongxin Textile Co.,Ltd. Country or region before: China |