CN113279093B - Automatic threading method and threading device for steel wire ring of ring spinning frame - Google Patents
Automatic threading method and threading device for steel wire ring of ring spinning frame Download PDFInfo
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- CN113279093B CN113279093B CN202110647608.3A CN202110647608A CN113279093B CN 113279093 B CN113279093 B CN 113279093B CN 202110647608 A CN202110647608 A CN 202110647608A CN 113279093 B CN113279093 B CN 113279093B
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- ring
- yarn
- threading
- air flow
- air
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H7/00—Spinning or twisting arrangements
- D01H7/02—Spinning or twisting arrangements for imparting permanent twist
- D01H7/52—Ring-and-traveller arrangements
- D01H7/60—Rings or travellers; Manufacture thereof not otherwise provided for ; Cleaning means for rings
- D01H7/604—Travellers
- D01H7/606—Driving means for travellers
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H15/00—Piecing arrangements ; Automatic end-finding, e.g. by suction and reverse package rotation; Devices for temporarily storing yarn during piecing
Abstract
The invention discloses an automatic threading device for a steel wire ring of a ring spinning frame, which comprises a wire feeder for arranging yarns into a linear tensioning state, wherein the wire feeder comprises at least two yarn clamping devices which are separated from each other, the two clamping devices are fixed on the same fixed seat, the fixed seat is provided with a connecting part fixed on a mechanical arm, the two yarn clamping devices respectively clamp two ends of the yarns to form a threading part of the yarns, and a ring current generator for forming surrounding airflow at a steel collar; the invention has the beneficial effects that: the ring-shaped steel wire ring is blown at any position of the ring by the surrounding air flow and rotates around the ring, and the threading part of the ring-shaped steel wire ring is ensured to be hung in the ring-shaped steel wire ring by forming an included angle a between the threading part and the axis of the ring.
Description
Technical Field
The invention belongs to the technical field of threading after yarn breakage in the technical field of spinning of ring spinning frames, and particularly relates to an automatic threading method and an automatic threading device for a steel ring of a ring spinning frame, which are applied to threading of the steel ring.
Background
The friction pair of the ring and the traveller is a key material for twisting and winding on a ring spinning frame, the spindle drives the bobbin to rotate at a high speed, and yarn on the bobbin drives the traveller to slide along the edge of the ring, so that the traveller moves passively on the ring and plays a role in guiding and pulling.
The invention patent CN201880072134.0, among others, provides a balloon control ring for a ring spinning frame, which can be opened or unfolded to allow an operator to repair yarn breakage during spinning operation without interfering with the balloon control ring of the doffer, and also provides an improved opening mechanism and a balloon control ring having a smaller diameter than the cop.
Then, the above patent and the prior art can not rotate the bead ring stopped at any position of the ring, and for the automatic broken wire lap joint, the rotation of the bead ring stopped at any position of the ring is a necessary prerequisite for realizing the automatic threading of the bead ring.
In summary, there is an urgent need for a method and device for automatically threading a traveler of a ring spinning frame to automatically thread the traveler.
Disclosure of Invention
The objects to be achieved by the present invention are: the purpose of rotating the steel wire ring stopped at any position of the ring is achieved, and automatic threading of the steel wire ring is carried out.
In order to achieve the above object, the present invention provides an automatic threading method of a traveler and a threading device thereof.
The invention adopts the following specific technical scheme:
an automatic threading device of ring spinning frame steel wire winding includes:
the yarn feeder comprises at least two yarn clamping devices separated from each other, the two yarn clamping devices are fixed on the same fixed seat, the fixed seat is provided with a connecting part fixed on a mechanical arm, and the two yarn clamping devices respectively clamp two ends of the yarn to form a threading part of the yarn.
-a ring current generator for creating a surrounding current at the ring;
the annular flow generator comprises a guide plate and an air flow controller, the air flow controller and the guide plate are respectively fixed on the edge of the wire feeder fixing seat side by side, and the guide plate is arranged between the air flow controller and the edge of the wire feeder.
The threading part is close to the ring by the thread feeder, an included angle a is formed between the threading part and the axis of the ring, and the included angle a is more than or equal to 15 degrees and less than or equal to 75 degrees.
The air flow controller is close to the ring, forms air flow around the ring at the circumference of the ring, pushes the steel wire ring on the ring to rotate in a planetary way around the axis of the ring until the steel wire ring is sleeved on the threading part and stops.
By adopting the design, the steel wire ring can be blown at any position of the steel collar by the surrounding air flow and rotates around the steel collar, and the threading part of the steel wire ring is ensured to be hung in the steel wire ring by forming an included angle a between the threading part and the axis of the steel collar.
Owing to the yarn feeder capable of arranging the yarn in a linear tension state, the lapped yarn can approach the ring in a linear state, the ring current generator capable of surrounding the air current is formed at the ring, the air current around the ring forms the air current flowing around the ring, and the steel wire ring rotates around the ring under the driving of the air current.
The setting of guide plate for the air current that air current controller provided moves under the direction of guide plate, changes in forming around the air current around the ring, and the guide plate setting can use between the ring of difference on the confession line ware simultaneously, and the guide plate setting is between air current controller and confession line ware edge in addition, guarantees that the air current forms around the air current between guide plate and ring. When the guide plate works, the guide plate is unfolded into an annular arc shape around the ring, surrounds the periphery of the ring, keeps a certain distance from the ring and leaves a space for surrounding airflow.
The threading part and the axis of the ring form an included angle a which is more than or equal to 15 degrees and less than or equal to 75 degrees, and the arrangement of the angle is benefited, when the steel wire ring is encircled on the ring, the steel wire ring is limited at the threading part by the angle when meeting the threading part, the threading action is completed, when the angle exceeds the range, the steel wire ring is easy to be separated from the threading part when the included angle a is less than or equal to 15 degrees, the steel wire ring continues to rotate around the ring, when the included angle a is more than or equal to 75 degrees, the steel wire ring is blocked by the threading part, but the threading part cannot enter the steel wire ring, and when the included angle a exceeds the numerical range provided by the scheme, the steel wire ring threading cannot be completed effectively.
Preferably, the included angle a is more than or equal to 30 degrees and less than or equal to 60 degrees, wherein the threading effect is the best when the included angle a =45 degrees, the threading of the steel wire ring is completed when the included angle a is 20 degrees and the included angle a is 25 degrees and 35 degrees and the included angle a is 50 degrees and the included angle a is 65 degrees and 70 degrees, but the steel wire ring can vibrate when the steel wire ring blows things around the air flow.
As a further improvement of the invention, the air flow controller forms air flow around the ring at the circumference of the ring in a blowing or suction mode, and pushes the traveller on the ring to perform planetary rotation around the axis of the ring. Because the guide plate is arranged, the surrounding air backflow barrier is formed at the periphery of the ring, so that air blowing and air suction can form air flow between the ring and the guide plate, meanwhile, the air flow surrounds the ring to form surrounding air flow, and the steel wire ring is pushed to rotate on the ring.
As a further improvement of the invention, the air flow controller comprises an air blowing pipe and an air suction pipe, air flow surrounding the ring is formed on the circumference of the ring in a mode of air supply through the air blowing pipe and air suction through the air suction pipe, and the steel wire ring on the ring is pushed to rotate on the ring in a planetary mode around the axis of the ring.
The air flow controller forms air flow around the ring at the circumference of the ring in a blowing or suction mode, preferably forms the surrounding air flow in a mode of simultaneously using blowing and suction, can more quickly establish the surrounding air flow around the ring, and pushes the steel wire ring to rotate around the ring to finish threading action.
As a further improvement of the invention, the fixed seat is provided with a telescopic device, the guide plate is fixed on the telescopic device, and when airflow surrounding the ring needs to be formed, the guide plate is sent to one side of the ring by the telescopic device.
Through the setting of telescoping device, the guide plate can be when not retracting, for the arm drives the overlap joint ware and carries out threading action on next step and provide more favorable space.
As a further improvement of the invention, the core part of the guide plate is provided with an air pipe, the end part of the guide plate is provided with a flexible strip, when air flow surrounding the steel collar needs to be formed, the air pipe at the core part supplies air to the flexible strip, and the flexible strip is bent towards the steel collar to form the arc-shaped guide plate.
One side of the flexible strip is provided with a dentate expansion and contraction block, the other side of the flexible strip is provided with a diversion trench, and when the flexible strip is inflated, the dentate expansion and contraction block is expanded in a reaction way, so that the flexible strip is bent towards one side provided with the diversion trench, and an arc-shaped diversion plate wrapping the steel collar is further formed.
A threading method for automatically threading a steel wire ring of a ring spinning frame comprises the following steps:
-step a) tensioning the yarn by means of a yarn gripping device arranged on the yarn feeder to form a threaded portion of the yarn.
Step b) of bringing the threading portion close to the ring of the rotating spindle, and of ensuring that the threading portion forms an angle a with the axis of the ring, the angle a being greater than or equal to 15 DEG and less than or equal to 75 deg.
-step c) stopping the rotation of the rotating spindle pipe.
-step d), the air flow controller is close to the ring, and the telescopic device sends the guide plate to one side of the ring.
-step e) sending air to one side of the ring through the air flow controller and forming an air flow around the ring at the outer rim of the ring.
-the air flow around the ring in step f) pushes the traveller staying anywhere on the ring, making a planetary rotation around the axis of the ring until encountering the threading portion in step b) and fitting over the threading portion yarn.
According to the automatic threading device for the traveller of the ring spinning machine, by utilizing the threading method, a linear threading part is placed on one side of a steel collar by a manipulator through a thread supply device, an included angle a is formed between the threading part and the axis of the steel collar, the included angle a is more than or equal to 15 degrees and less than or equal to 75 degrees, the angle is set, when the traveller is encircled on the steel collar, the traveller is limited to the threading part by the angle when meeting the threading part, the threading action is finished, when the angle exceeds the range, the traveller is easy to separate from the threading part to continue rotating around the steel collar when the included angle a is less than or equal to 15 degrees, when the included angle a exceeds the range of the included angle a, the traveller is blocked by the threading part, but cannot enter the traveller, and when the included angle a exceeds the numerical range provided by the scheme, the threading of the traveller cannot be effectively finished.
As a further improvement of the present invention, before the rotation of the main shaft pipe is stopped in the step c), the steps d) and e) are started simultaneously.
By adopting the method, the surrounding air flow is remained around the ring before the rotation of the main shaft pipe is stopped in the step c), and the step d) and the step e) are simultaneously started to provide the air flow continuously, so that the surrounding air flow can be re-established on the basis of the remained surrounding air flow, the establishment of the surrounding air flow can be carried out as soon as possible, and the threading efficiency of the steel wire ring is improved.
Preferably, in the step d), after the guide plate is fed to one side of the ring, the air pipe arranged at the core part of the guide plate supplies air to the flexible strip arranged at the end part of the guide plate, and the flexible strip bends towards the ring to form the arc-shaped guide plate and wraps one side of the ring away from the wire feeder.
Preferably, the air flow controller is supplied to one side of the ring in step e) by an air blowing pipe provided in the air flow controller, while the air blowing pipe sucks air on the other side of the ring to form an air flow around the ring at the circumference of the ring.
The invention has the positive effects that: the steel wire ring can be blown at any position of the steel collar by surrounding air flow, the steel collar rotates around the air flow, an included angle a is formed between the threading part and the axis of the steel collar, the threading part of the steel wire ring is hung in the steel wire ring, the threading success rate of the steel wire ring is improved, the threading time is shortened, the lap joint efficiency of broken ends is accelerated, and the continuous production of a ring spinning frame is guaranteed.
Drawings
FIG. 1 is a schematic diagram of an automatic threading method of a steel wire ring of a ring spinning frame and application equipment of a threading device thereof;
FIG. 2 is a three-dimensional schematic diagram of the automatic traveler threading device and operation of the automatic traveler threading method and the threading device of the ring spinning frame shown in FIG. 1;
FIG. 3 is a three-dimensional top view of the automatic ring traveler threading method and device of the ring spinning frame shown in FIG. 2;
fig. 4 is a schematic structural view of a deflector in an automatic traveler threading device of the ring spinning frame and the threading device thereof shown in fig. 3 according to the automatic traveler threading method of the ring spinning frame and the threading device thereof;
FIG. 5 is a schematic angle diagram of a traveller automatic threading device of the traveller automatic threading method and the threading device of the ring spinning frame of the invention;
illustration of the drawings: 1-guide rail, 2-platform, 3-mechanical arm, 4-scissors, 5-mechanical arm end, 6-thread feeder, 7-circular flow generator, 8-yarn clamping device, 9-yarn tube, 10-yarn, 11-yarn end, 12-spindle, 13-brake, 14-steel collar, 15-yarn fixing shaft, 16-steel wire ring, 17-yarn spraying nozzle, 18-guide plate, 1801-air pipe connector, 1802-expansion block, 1803-guide groove, 19-air blowing pipe, 20-threading part, 21-expansion device, 22-fixing plate, 23-air suction pipe.
Detailed Description
The invention is described in detail below with reference to the following figures and specific embodiments:
the specific embodiment is as follows:
in the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
The first embodiment is as follows:
the utility model provides an automatic threading device of ring spinning frame steel wire winding, including supplying line ware 6 and ring current generator 7, supply line ware 6 including fixing at 3 last arm end 5's of arm fixed plate 22 of arm, arm 3 is fixed on platform 2, platform 2 moves along guide rail 1, the left side of fixed plate 22 is equipped with first venturi, yarn fixing device and second venturi, yarn fixing device is located in the middle of first venturi and the second venturi, the end of second venturi is equipped with yarn jet 17, the opposite side of fixed plate is equipped with yarn fixed axle 15, yarn jet 17 and yarn fixed axle 15 are yarn clamping device 8, both cooperate and form the threading part 20 of yarn.
In use, the first venturi draws the yarn 10 through the yarn holding device, into the second venturi, and out of the nozzle, and by the action of the robot arm, a threading portion 20 of the yarn is formed between the yarn holding shaft 15 and the nozzle 17 under the combined action of the two types of yarn holding devices, i.e. the yarn holding shaft 15 and the nozzle 17, in the yarn holding device 8.
Wherein the annular flow generator 7 is also fixed on the fixing plate 22, the annular flow generator 7 comprises a guide plate 18 and an air flow controller, the air flow controller comprises an air blowing pipe 19 and an air suction pipe 23, the fixing plate is provided with a telescopic device 21, the telescopic device is a small cylinder, and the guide plate 18 is fixed at the tail end of a piston rod of the cylinder.
The second embodiment is as follows:
an automatic threading method for a steel wire ring of a ring spinning frame,
as soon as a yarn break is detected at one of the spinning stations of the ring spinning frame, the robotized arm 3 receives signals from the processing and control devices of the system, moving along the guide 1 and centering the spinning station in front of the yarn break of the spindle tube.
The first Venturi tube sucks the yarn 10, the yarn passes through the yarn fixing device, enters the second Venturi tube, is sprayed out of the yarn spraying nozzle, and the tail end 11 of the yarn is wound on the bobbin after contacting with the bobbin 9;
step a) forming a threading portion 20 of the yarn between the yarn fixing shaft 15 and the nozzle 17 by the action of the robotized arm, under the combined action of the two forms of yarn clamping devices in the yarn clamping device 8, namely the yarn fixing shaft 15 and the nozzle 17.
Step b) the mechanical arm 3 brings the threading portion 20 close to the ring 14 of the rotating spindle 12 and ensures that the threading portion 20 is at an angle a with the axis of the ring 14, the angle a =55 °.
Step c) stopping the rotation of the spindle tube of the rotating spindle 12 by means of the brake 13.
Step d), the air flow controller, i.e. the blow pipe 19 and the suction pipe 23, is close to the ring 14, while the telescopic device 21 sends the deflector 18 to one side of the ring 14.
Step e) the air is sent to the side of the ring through the air flow controller, i.e. the blow pipe 19, and at the outer edge of the ring 14, the air coming out of the air pipe 19 forms an air flow around the ring due to the guidance of the deflector 18.
The air flow around the ring 14 in step f) and step e) pushes the traveller 16 staying anywhere on the ring 14, making a planetary rotation around the axis of the ring 14 until encountering the threading part 20 in step b) and fitting on the yarn of the threading part 2.
The foregoing has outlined broadly some of the aspects and features of the various embodiments, which should be construed to be merely illustrative of various potential applications. Other beneficial results can be attained by applying the disclosed information in a different manner or by combining various aspects of the disclosed embodiments. Other aspects and a more complete understanding may be obtained by referring to the detailed description of the exemplary embodiments taken in conjunction with the accompanying drawings, based on the scope defined by the claims.
In addition, the invention also discloses the following technical scheme:
the first scheme comprises the following steps:
on the basis of the first specific embodiment, the telescopic device is a small cylinder and can be designed into a part which is easy to purchase in mature markets such as an electric push rod, a linear module and the like.
Scheme II:
the air pipe is arranged at the core part of the guide plate 18, the air pipe is connected with an air supply device through an air pipe connector 1801, the end part of the guide plate 18 is provided with a flexible strip, one side of the flexible strip is provided with a tooth-shaped expansion block 1802, the other side of the flexible strip is provided with a guide groove 1803, when the flexible strip is inflated, the tooth-shaped expansion block is expanded in a reaction mode, the flexible strip is bent towards one side provided with the guide groove, and then the arc-shaped guide plate wrapping a steel collar is formed.
And the scheme is as follows:
and before the rotation of the spindle pipe is stopped in the step c), the steps d) and e) start to operate simultaneously.
And a fifth scheme:
and e) conveying the air flow controller to one side of the ring in the step e) is realized through an air blowing pipe arranged in the air flow controller, meanwhile, the air suction pipe sucks air at the other side of the ring, and air flow surrounding the ring is formed on the circumference of the ring.
The above examples illustrate the present invention in detail. It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those changes, modifications, additions, deletions, and substitutions which may be made by those skilled in the art within the spirit of the present invention are also within the scope of the present invention.
Claims (9)
1. An automatic threading device of ring spinning frame steel wire winding includes:
a yarn feeder for arranging the yarn in a linear tension state, the yarn feeder comprising at least two yarn clamping devices separated from each other, the two clamping devices being fixed on the same fixing base, the fixing base being provided with a connecting portion fixed on a mechanical arm, the fixing base being provided with a fixing plate, the left side of the fixing plate being provided with a first venturi tube, a yarn fixing device and a second venturi tube, the yarn fixing device being located between the first venturi tube and the second venturi tube, the end of the second venturi tube being provided with a yarn jetting nozzle, the other side of the fixing plate being provided with a yarn fixing shaft, the yarn jetting nozzle and the yarn fixing shaft being yarn clamping devices, the yarn jetting nozzle and the yarn fixing shaft cooperating to form a yarn threading portion, the first venturi tube sucking the yarn, after passing through the yarn fixing device, the yarn enters a second Venturi tube and is sprayed out from a yarn spraying nozzle, and the tail end of the yarn is wound on the bobbin after contacting the bobbin;
the two yarn clamping devices respectively clamp two ends of the yarn to form a threading part of the yarn;
-a ring current generator for creating a surrounding current at the ring;
it is characterized in that the preparation method is characterized in that,
the annular flow generator comprises a guide plate and an air flow controller, the air flow controller and the guide plate are respectively fixed on the edge of the wire feeder fixing seat side by side, the guide plate is arranged between the air flow controller and the edge of the wire feeder, an air pipe is arranged at the core part of the guide plate, a flexible strip is arranged at the end part of the guide plate, when the air flow around the steel collar needs to be formed, the air pipe at the core part supplies air to the flexible strip, and the flexible strip bends towards the steel collar to form the arc-shaped guide plate;
the threading part is close to the ring by the thread feeder, an included angle a is formed between the threading part and the axis of the ring, and the included angle a is more than or equal to 15 degrees and less than or equal to 75 degrees;
the air flow controller is close to the ring, forms air flow around the ring at the circumference of the ring, pushes the steel wire ring on the ring to rotate in a planetary way around the axis of the ring until the steel wire ring is sleeved on the threading part and stops.
2. The automatic threading device of the traveller of the ring spinning frame according to claim 1, characterized in that the included angle a is greater than or equal to 30 ° and less than or equal to 60 °.
3. The automatic traveler threading device of ring spinning frame as claimed in claim 2, wherein the air flow controller forms air flow around the ring by blowing or sucking air to push the traveler on the ring to make planetary rotation around the ring axis.
4. The automatic traveler threading device of ring spinning frame as claimed in claim 3, wherein the air flow controller comprises an air blowing pipe and an air suction pipe, and forms air flow around the ring by air supply of the air blowing pipe and air suction of the air suction pipe, and pushes the traveler on the ring to make planetary rotation around the axis of the ring.
5. The automatic threading device of the traveller of ring spinning frame according to any one of claims 1 to 4, wherein the fixed seat is provided with a telescopic device, the guide plate is fixed on the telescopic device, and when the air flow around the ring is required to be formed, the guide plate is sent to one side of the ring by the telescopic device.
6. The threading method of the automatic threading device of the traveller of the ring spinning frame according to claim 5, characterized in that the threading method comprises:
-step a) tensioning the yarn by means of a yarn gripping device arranged on the yarn feeder to form a threaded portion of the yarn;
step b) making the threading part approach the ring of the rotating spindle and ensuring that the threading part forms an included angle a with the axis of the ring, wherein the included angle a is more than or equal to 15 degrees and less than or equal to 75 degrees;
-step c) stopping the rotation of the rotating spindle pipe;
-step d), the air flow controller is close to the ring, and the telescopic device sends the guide plate to one side of the ring;
-step e) sending air to one side of the ring through the air flow controller and forming an air flow around the ring at the outer rim of the ring;
-the air flow around the ring in step f) pushes the traveller staying anywhere on the ring, making a planetary rotation around the axis of the ring until encountering the threading portion in step b) and fitting over the threading portion yarn.
7. The method for threading the traveler ring of a ring spinning frame according to claim 6, wherein step d) and step e) are started simultaneously before the rotation of the main shaft pipe is stopped in step c).
8. The method as claimed in claim 7, wherein in the step d), after the guide plate is fed to one side of the ring, the air tube provided in the core of the guide plate supplies air to the flexible strip provided at the end of the guide plate, and the flexible strip is bent toward the ring to form an arc-shaped guide plate to wrap the ring on the side away from the thread supply device.
9. The method for threading the traveler of a ring spinning frame according to claim 8, wherein the air flow controller of step e) is supplied to one side of the ring by an air blowing pipe provided in the air flow controller, and the air suction pipe sucks air from the other side of the ring to form an air flow around the ring at the circumference of the ring.
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| CN202110647608.3A CN113279093B (en) | 2021-06-10 | 2021-06-10 | Automatic threading method and threading device for steel wire ring of ring spinning frame |
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| CN202110647608.3A CN113279093B (en) | 2021-06-10 | 2021-06-10 | Automatic threading method and threading device for steel wire ring of ring spinning frame |
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| CN105019076A (en) * | 2015-07-10 | 2015-11-04 | 陈伟雄 | Method and device for automatically and intelligently piecing ring-spun yarn broken ends with guiding yarn |
| CN110067054A (en) * | 2018-01-24 | 2019-07-30 | 里特机械公司 | Yarn ends are entried the method and apparatus into ring-traveller |
| CN111691029A (en) * | 2019-03-15 | 2020-09-22 | 普瑞米尔伊沃维克斯私人有限公司 | Apparatus, system and method for repairing yarn breakage in ring spinning machine |
| CN112391714A (en) * | 2020-11-27 | 2021-02-23 | 广州培慧纺织业有限公司 | Textile yarn carding and processing system |
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