CN102009874A - Control method of turntable-driven device of winder - Google Patents
Control method of turntable-driven device of winder Download PDFInfo
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- CN102009874A CN102009874A CN 201010546713 CN201010546713A CN102009874A CN 102009874 A CN102009874 A CN 102009874A CN 201010546713 CN201010546713 CN 201010546713 CN 201010546713 A CN201010546713 A CN 201010546713A CN 102009874 A CN102009874 A CN 102009874A
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- rotating disk
- bobbin
- spinning
- circle
- collet axis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H67/00—Replacing or removing cores, receptacles, or completed packages at paying-out, winding, or depositing stations
- B65H67/04—Arrangements for removing completed take-up packages and or replacing by cores, formers, or empty receptacles at winding or depositing stations; Transferring material between adjacent full and empty take-up elements
- B65H67/044—Continuous winding apparatus for winding on two or more winding heads in succession
- B65H67/048—Continuous winding apparatus for winding on two or more winding heads in succession having winding heads arranged on rotary capstan head
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H54/00—Winding, coiling, or depositing filamentary material
- B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
- B65H54/40—Arrangements for rotating packages
- B65H54/52—Drive contact pressure control, e.g. pressing arrangements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/31—Textiles threads or artificial strands of filaments
- B65H2701/313—Synthetic polymer threads
- B65H2701/3132—Synthetic polymer threads extruded from spinnerets
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- Winding Filamentary Materials (AREA)
Abstract
The invention discloses a control method of a turntable-driven device of a winder, belonging to the field of textile and chemical fiber machinery. The method comprises the following steps: pre-calculating the diameter of a spinning cake and the angular position at which a bobbin chuck shaft is located on a turntable at any time in accordance with the functional relationship between the spinning and winding time and the angular position of the turntable, and duly driving the turntable to rotate along the enlargement of the spinning cake by means of a program-control device. The device for realizing the method comprises a framework, a turntable-driven device, a bobbin chuck shaft, a cardboard tube, a silk-pressing roller and a traversing device. Since winding parameters are preset in the control device, the system can find out corresponding parameters according to the variation of time so as to control the rotation of the turntable. In the method in the invention, the device is simple to control, the turntable has less position error and the spinning and winding system has high reliability and stability.
Description
Technical field
The present invention relates to the textile chemical fiber field of mechanical technique, relate in particular to a kind of control method of up-coiler rotary table transmission device.
Background technology
Up-coiler is used to the continuous reeling of long filament.
Up-coiler is equipped with a rotating rotating disk on frame, be rotatably mounted to have 1 outstanding collet axis of bobbin at least on this rotating disk, is filled to rare 1 paper bobbin on each collet axis of bobbin.A thread pressing roller in top crimping at collet axis of bobbin (work collet axis of bobbin), and the top of thread pressing roller is provided with traverse gear.
At a coiling in the cycle, the spinning cake that is forming on thread pressing roller and the work collet axis of bobbin contacts, and the rotation by rotating disk makes the distance between thread pressing roller and the work collet axis of bobbin strengthen along with the increase of spinning cake diameter.
A kind of control method of rotary table transmission device of up-coiler is provided in prior art such as the patent 89109429.6.In the method that this patent is set forth, the disc type creeling device of up-coiler links to each other with a rotation transmission device, in the cycle of doffing, can rotate, this rotation transmission device can drive the disc type creeling device increases the axle base of thread pressing roller and work doff axle, this rotation transmission device comprises the control system of a sensor and disc type creeling device driving device, the stroke action of sensor thread pressing roller, rotation transmission device can be controlled by this sensor that reflects the side-play amount of the desired location of thread pressing roller and actual position in this control system, and the position of thread pressing roller is remained unchanged substantially at the periodic process that doffs.The method that this patent proposes is to survey the stroke action of thread pressing roller with sensor, with the very little amount of varying motion as signal, the signal of gathering and the amount of setting compare, rotary table transmission device drives rotating disk rotation length by length with the mode of revising deviate, and this is that a kind of typical closed-loop is adjusted the loop.It is selected equipment more complicated that this closed loop is adjusted circuit defect, and the dynamic response speed of system is slow, and particularly system is easy to generate fluctuation under the effect of disturbing factor, causes the reliability and stability of control process relatively poor, finally influences the tow quality.Secondly, this control method be stroke by detecting thread pressing roller as the control incoming signal, and the stroke of thread pressing roller is very little in winding process, can bring than mistake in the control; In addition, this mode need be provided with sensor in control convenience, increased the cost of equipment.
Summary of the invention
At problems of the prior art, the invention provides a kind of control method of simple, failure-free up-coiler rotary table transmission device.
This method can allow the position of up-coiler thread pressing roller to swing in a qualification very among a small circle, do not need to be provided with specially the actuating length that sensor is surveyed thread pressing roller, but according to the functional relation of spinning winding time and rotating disk angle position, precompute the size of any time spinning cake diameter, and collet axis of bobbin on rotating disk the angle position that should locate, drive rotating disk by process controller more in good time and rotate with the increase of spinning cake.
Described technical scheme is as follows:
The control method of a kind of up-coiler rotary table transmission device of the present invention, this method is used for the up-coiler of continuous winding, and described up-coiler is provided with rotating disk; On described rotating disk, be mounted to rare 1 rotating collet axis of bobbin; On described each collet axis of bobbin at least 1 paper bobbin is housed; Outer setting at described collet axis of bobbin has thread pressing roller; In the described up-coiler spinning process, guarantee that by described dial rotation the position of described thread pressing roller remains unchanged, and described thread pressing roller contacts with spinning cake on being wound on described paper bobbin; Concrete steps are as follows:
Steps A: the spinning cake diameter Di that calculates any time in the spinning process according to following formula:
Di=((4VA/10πHρ)Ti+D
2)
1/2
In the formula: Di---the spinning cake diameter (mm) of any time in the spinning process;
Ti---any time (min) in the spinning process;
V---spinning speed (m/min);
A---tow fineness (dtex);
H---spinning cake width (mm);
ρ---spinning cake density (g/cm
3);
D---paper bobbin external diameter (mm).
Step B: set described up-coiler before the beginning spinning, the described collet axis of bobbin center of circle to the collet axis of bobbin angle position that forms between described rotating disk circle center line connecting and the described rotating disk perpendicular diameter is 0 degree, calculates the collet axis of bobbin angle [alpha] i of any time in spinning process according to following formula:
In the formula: the collet axis of bobbin center of circle of α i---any time and the line in the rotating disk center of circle and rotating disk perpendicular to the angle between the ground-surface perpendicular diameter (°);
A---the thread pressing roller center of circle is to the distance in the rotating disk center of circle;
B---the collet axis of bobbin center of circle is to the distance in the rotating disk center of circle;
Di---the spinning cake diameter of any time in the spinning process;
D---thread pressing roller diameter;
The line in β---the thread pressing roller center of circle and the rotating disk center of circle and rotating disk are perpendicular to the angle between the ground-surface perpendicular diameter;
Step C: when the increment of spinning cake diameter Di reaches predefined rotating disk and starts increment size, calculate the dial rotation angle step by following formula; Dial rotation Δ α angle:
Δα=α
i-α
i-1
The control method of up-coiler rotary table transmission device of the present invention in described step C, utilizes the motor driver that has drop-gear box to rotate described rotating disk.
The control method of up-coiler rotary table transmission device of the present invention, 2 rotating collet axis of bobbin are installed on described rotating disk, spinning cake is reeled and is reached specific time on 1 collet axis of bobbin wherein, the rotating disk twirl, make the position of described rotating disk twirl to procedure stipulation, tow is switched to another collet axis of bobbin continue to reel, finish the auto reeling handoff procedure.
The beneficial effect of technical scheme provided by the invention is as follows:
1, the control method by up-coiler rotary table transmission device of the present invention can realize the accuracy control to up-coiler rotating disk slew mode.
2, the control method of up-coiler rotary table transmission device of the present invention does not need to adopt other any sensors to carry out the measurement of spinning cake diameter and other data volumes, only need can accurately calculate spinning cake diameter at any time according to each known parameter, and then the rotational angle of definite rotating disk.
Description of drawings
Fig. 1 is the up-coiler structural representation of the control method that realizes the up-coiler rotary table transmission device that the embodiment of the invention provides;
Fig. 2 is the up-coiler working process structural representation of the control method that realizes the up-coiler rotary table transmission device that the embodiment of the invention provides;
Fig. 3 is the up-coiler side direction structural representation of the control method that realizes the up-coiler rotary table transmission device that the embodiment of the invention provides;
Fig. 4 is the up-coiler working process principle schematic of the control method that realizes the up-coiler rotary table transmission device that the embodiment of the invention provides;
Fig. 5 is the diagram of circuit of the control method that realizes the up-coiler rotary table transmission device that the embodiment of the invention provides.
The specific embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, embodiment of the present invention is described further in detail below in conjunction with accompanying drawing.
In the spinning winding process, spinning cake diameter on the work collet axis of bobbin is along with the increase of spinning time constantly increases, distance between thread pressing roller and the work collet axis of bobbin also continues to increase, for the position that keeps thread pressing roller in a scope that allows and thread pressing roller contact with the spinning cake that is forming on certain pressure and the work collet axis of bobbin, the present invention proposes the control method that a kind of control system control rotating disk that can guarantee up-coiler progressively rotates along with the increase of spinning cake diameter.
For this reason, at first need into to calculate the diameter of spinning cake.
Among the present invention, the volume of winding cake, can calculate by following formula:
U=1/1000((Di/2)
2-(D/2)
2)πH (1)
In the formula: U---spinning cake volume (cm
3);
Di---the spinning cake diameter (mm) of any time in the spinning process;
D---paper bobbin external diameter (mm);
H---spinning cake width (mm).
Corresponding different spinning kinds, the density of spinning cake can be measured, and the weight of spinning cake can be calculated by following formula:
W=Uρ (2)
In the formula: W---spinning cake weight (g);
ρ---spinning cake density (g/cm
3).
Simultaneously, according to the definition of chemical fiber filament fiber number, the weight of winding cake silk, can calculate by following formula:
W=V?Ti?A/10000 (3)
In the formula: V---spinning speed (m/min);
Ti---any time (min) in the spinning process;
A---tow fineness (dtex).
According to the spinning cake diameter of formula (2) and formula (3) any time, can calculate by following formula:
Di=((4VA/10πHρ)Ti+D
2)
1/2 (4)
That is to say that after spinning parameter was determined, spinning cake diameter Di was the function of time T i, utilizes formula (4) can calculate the spinning cake diameter Di of any time.Wherein, spinning speed V, tow fineness A, spinning cake width H, spinning cake density p and paper bobbin outer diameter D are known spinning parameters, can preestablish.
On the basis that calculates spinning cake diameter Di, can calculate accurately according to geometric relationship, promptly can draw any time the collet axis of bobbin center of circle and the line in the rotating disk center of circle and rotating disk perpendicular to formed angle between the ground-surface perpendicular diameter, i.e. collet axis of bobbin angle [alpha] i.Collet axis of bobbin angle [alpha] i continuing to increase along with spinning winding.Collet axis of bobbin angle [alpha] i at any time can calculate by following formula:
In the formula: α i---any time the collet axis of bobbin center of circle and the line in the rotating disk center of circle and rotating disk perpendicular to formed angle between the ground-surface perpendicular diameter (°);
A---the thread pressing roller center of circle is to the distance (mm) in the rotating disk center of circle;
B---the collet axis of bobbin center of circle is to the distance (mm) in the rotating disk center of circle;
Di---the spinning cake diameter (mm) of any time in the spinning process;
D---thread pressing roller diameter (mm);
The line in β---the thread pressing roller center of circle and the rotating disk center of circle and rotating disk perpendicular to the angle between the ground-surface perpendicular diameter (°).Along with the carrying out of spinning winding, the diameter of spinning cake Di is constantly increasing, and when the each increment of spinning cake diameter Di reaches predefined rotating disk and starts increment size, promptly starts the rotating disk slewing arrangement, and rotating disk turns over certain angle delta α.The angle step Δ α that each step of rotating disk rotates calculates dial rotation by following formula:
Δα=αi-αi-1
Specifically describe below in conjunction with the control method of accompanying drawing up-coiler rotary table transmission device of the present invention.
Fig. 1 is the up-coiler structural representation of the control method of realization up-coiler rotary table transmission device of the present invention.A rotating rotating disk 5 is installed in the frame of up-coiler, two rotating collet axis of bobbin 6.1 and 6.2 is installed, at least one paper bobbin 7.1 and 7.2 is housed on the every collet axis of bobbin at the front end face of this rotating disk.Above the bobbin chuck 6.1 of working a thread pressing roller 4 is set, the top of thread pressing roller is provided with traverse gear 3, and tow 1 forms spinning cake by guide wire 2, traverse gear 3 and thread pressing roller 4 at least one paper tube 7.1 of work collet axis of bobbin 6.1.Thread pressing roller 4 is by the rotating front end that is installed in support arm 10 of rotating shaft; Support arm 10 is by being installed on the support 8 around axle 9, and can swing (<1 °) around axle 9 by a small margin.In winding process, thread pressing roller 4 need contact with the spinning cake that is forming on certain pressure and the work collet axis of bobbin 6.1.Before spinning began, collet axis of bobbin directly contacted with thread pressing roller 4.For convenience of description, it is 0 degree to rotating disk circle 5 heart lines and rotating disk 5 perpendicular to the collet axis of bobbin angle position that forms between the ground-surface perpendicular diameter that spinning is begun the preceding collet axis of bobbin center of circle, and promptly the collet axis of bobbin center of circle to rotating disk circle 5 heart lines and rotating disk 5 coincide perpendicular to ground-surface perpendicular diameter.The line in thread pressing roller 4 centers of circle and rotating disk 5 centers of circle and rotating disk 5 are β perpendicular to the angle between the ground-surface perpendicular diameter.
Fig. 2 has shown the up-coiler mode of operation of certain moment Ti in the course of the work.In spinning process, along with the increase of spinning time, collet axis of bobbin 6.1 rotates, and the diameter that is wound on the spinning cake 20 on the paper tube 7.1 constantly increases, and the distance between thread pressing roller 4 and the work collet axis of bobbin 6.1 also continues to increase.For the position that keeps thread pressing roller 4 in a scope that allows, guarantee that simultaneously thread pressing roller 4 contacts with the spinning cake on certain pressure and the work collet axis of bobbin 6.1, rotating disk 5 is along with the increase of spinning cake 20 diameters is rotated along clockwise direction.
Fig. 3 has represented the theory structure of up-coiler rotary table transmission device, and the front end face of rotating disk 5 can be equipped with collet axis of bobbin 6.1 and 6.2 rotationally, and the drive motor 13.1,13.2 of collet axis of bobbin is installed in the aft end face of rotating disk 5.Collet axis of bobbin shown in the figure 6.1 is work collet axis of bobbin, the spinning cake 20 of reeling on the axle and forming, and thread pressing roller 4 contacts with spinning cake 20 with certain pressure.The actuating device of rotating disk 5 comprises motor 14 and the driving device 12 that has drop-gear box.Driving device 12 can adopt gear transmission also can adopt the cog belt transmission.Rotating disk drive motor 14 can adopt stepping motor, also can adopt servomotor.When the spinning cake diameter increases to predetermined value D
iThe time, when both the each increment of spinning cake diameter Di reached predefined rotating disk and starts increment size, rotating disk turned over corresponding angle step Δ α.Control system calculates this work collet axis of bobbin in the respective angles position alpha of rotating on the circumference according to formula
iAnd this time angle step Δ α that should rotate, up-coiler rotary table transmission device of the present invention promptly starts rotating disk slewing arrangement rotating disk drive motor, input and the corresponding pulse of angle step Δ α that will rotate, and rotating disk turns over angle step Δ α.
As shown in Figure 4, at any spinning moment Ti, work collet axis of bobbin center is that the position angle that the spinning cake center should be located is α
iIn the triangle ABC that spinning cake center, thread pressing roller center and center of turntable are connected to form, the wire length B of the wire length A of thread pressing roller center and center of turntable, spinning cake center and center of turntable is known number, have only the wire length C at thread pressing roller center and spinning cake center to change along with the increase of spinning cake diameter, C=(Di+d)/2, Di is the spinning cake diameter of any time in the spinning process in the formula, and d is the thread pressing roller diameter.According to the cosine law: C
2=A
2+ B
2-2ABcos (alpha+beta) can draw the line in the collet axis of bobbin center of circle of any time and the rotating disk center of circle and rotating disk perpendicular to the position angle between the ground-surface perpendicular diameter:
And then calculate the rotation Δ α of rotating disk:
Δα=α
i-α
i-1
Provided a specific embodiment at Fig. 5.At first determine known various spinning parameters, comprise spinning speed V, tow fineness A, spinning cake width H, spinning cake density p and paper bobbin outer diameter D.Begin to carry out the spinning campaign then.
In this embodiment, the paper tube external diameter is 126mm, and it is 2mm that the rotating disk of setting starts increment size, i.e. behind the every increase of the spinning cake diameter 2mm, and corresponding Δ α angle of dial rotation.
When beginning to reel, both at T
0Constantly, the position of work collet axis of bobbin 6.1 is positioned on the vertical center line of rotating disk α
0=0 °, the increase of spinning cake diameter can make thread pressing roller 4 lift on slightly, and control system is calculated the diameter D1 of spinning cake according to following formula (4):
D1=((4VA/10πHρ)T1+D
2)
1/2
When the spinning cake diameter increases 2mm, both be increased to 128mm as spinning cake diameter D1, control system is according to following formula (5):
α1=arccos((A
2+B
2-(D1+d)
2/4)/2AB)-β
Calculate the collet axis of bobbin angle position that spinning cake this moment should be located
1, at this moment, angle step Δ α=α
1-0, control system starts the rotating disk cw walked around behind the Δ α, and rotating disk stops operating.Be pressed on the spinning cake because thread pressing roller 4 connects all the time, got back to original position with the rotation of rotating disk this moment.Continue spinning, the increase of spinning cake diameter can make thread pressing roller 4 lift on slightly once more,
In continuing spinning process, control system is calculated the diameter D2 of spinning cake according to following formula (4):
D2=((4VA/10πHρ)T2+D
2)
1/2
When the spinning cake diameter increases 2mm again, when both spinning cake diameter D2 is increased to 130mm,, control system calculates the collet axis of bobbin angle position that spinning cake this moment should be located according to formula (5) once more
2:
α2=arccos((A
2+B
2-(D2+d)
2/4)/2AB)-β
At this moment, Δ α=α
2-α
1, control system starts the rotating disk cw and walked around that rotating disk stops operating behind the Δ α.This moment, thread pressing roller 4 was again along with original position has been got back in the rotation of rotating disk.So circulation, up to reaching predefined spinning time T max, spinning cake is completely rolled up, the rotating disk twirl, forward the spinning cake of full volume to following doff position, forward the collet axis of bobbin 6.2 of original free time to control position, Traverse mechanism switches to tow 1 on a plurality of paper tubes 7.2 of present work collet axis of bobbin 6.2 from the spinning cake 20 on the collet axis of bobbin 6.1, begin a new winding process.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. the control method of a up-coiler rotary table transmission device, this method is used for the up-coiler of continuous winding, and described up-coiler is provided with rotating disk; On described rotating disk, be mounted to a rare rotating collet axis of bobbin; At least one paper bobbin is housed on the described collet axis of bobbin; Outer setting at described collet axis of bobbin has thread pressing roller; In the described up-coiler spinning process, guarantee that by described dial rotation the position of described thread pressing roller remains unchanged, and described thread pressing roller contacts with spinning cake on being wound on described paper bobbin; It is characterized in that:
Steps A: the spinning cake diameter Di that calculates any time in the spinning process according to following formula:
Di=((4VA/10πHρ)Ti+D
2)
1/2
In the formula: Di---the spinning cake diameter of any time in the spinning process;
Ti---any time in the spinning process;
V---spinning speed;
A---tow fineness;
H---spinning cake width;
ρ---spinning cake density;
D---outside the paper bobbin;
Step B: set described up-coiler before the beginning spinning, the described collet axis of bobbin center of circle to the collet axis of bobbin angle position that forms between described rotating disk circle center line connecting and the described rotating disk perpendicular diameter is 0 degree, calculates the collet axis of bobbin angle [alpha] i of any time in spinning process according to following formula:
In the formula: the collet axis of bobbin center of circle of α i---any time and the line in the rotating disk center of circle and rotating disk perpendicular to the angle between the ground-surface perpendicular diameter (°);
A---the thread pressing roller center of circle is to the distance in the rotating disk center of circle;
B---the collet axis of bobbin center of circle is to the distance in the rotating disk center of circle;
Di---the spinning cake diameter of any time in the spinning process;
D---thread pressing roller diameter;
The line in β---the thread pressing roller center of circle and the rotating disk center of circle and rotating disk are perpendicular to the angle between the ground-surface perpendicular diameter;
Step C: when the increment of spinning cake diameter Di reaches predefined rotating disk and starts increment size, calculate the dial rotation angle step by following formula; Dial rotation Δ α angle:
Δα=α
i-α
i-1
2. the control method of up-coiler rotary table transmission device according to claim 1 is characterized in that, in described step C, utilizes the motor driver that has drop-gear box to rotate described rotating disk.
3. the control method of up-coiler rotary table transmission device according to claim 1, it is characterized in that, 2 rotating collet axis of bobbin are installed on described rotating disk, spinning cake is reeled and is reached specific time on 1 collet axis of bobbin wherein, the rotating disk twirl, make the position of described rotating disk twirl, tow is switched to another collet axis of bobbin continue to reel, finish the auto reeling handoff procedure to procedure stipulation.
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CN 201010546713 CN102009874A (en) | 2010-11-16 | 2010-11-16 | Control method of turntable-driven device of winder |
PCT/CN2011/072738 WO2012065397A1 (en) | 2010-11-16 | 2011-04-13 | Control method for turntable transmission device of coiler |
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CN 201010546713 CN102009874A (en) | 2010-11-16 | 2010-11-16 | Control method of turntable-driven device of winder |
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Cited By (8)
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WO2012065397A1 (en) * | 2010-11-16 | 2012-05-24 | 北京中丽制机工程技术有限公司 | Control method for turntable transmission device of coiler |
CN103157675A (en) * | 2013-03-22 | 2013-06-19 | 济钢集团有限公司 | Method of calculating external diameter of hot rolling checkered plate steel coil |
CN103874644A (en) * | 2011-10-14 | 2014-06-18 | 欧瑞康纺织有限及两合公司 | Method and device for continuously winding a strand-shaped winding material |
CN106498521A (en) * | 2016-12-02 | 2017-03-15 | 桐昆集团股份有限公司 | The full-automatic switching winder of UDY low speed spinnings |
CN108602641A (en) * | 2016-02-15 | 2018-09-28 | 卷轴动力许可公司 | Automatic cutting and transfer coil winder and/or coil winding machine |
CN109795918A (en) * | 2017-11-17 | 2019-05-24 | 村田机械株式会社 | Spool condition discriminating apparatus and spool processing system |
CN111170079A (en) * | 2020-02-17 | 2020-05-19 | 南京工程学院 | Winding position measuring device during steel strand winding |
CN111819142A (en) * | 2019-01-07 | 2020-10-23 | 洛希亚有限公司 | Method for accurately positioning spindle in turret type automatic winder |
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