CN104233527B - Double; two Pneumatic controllers of glass twister and method - Google Patents
Double; two Pneumatic controllers of glass twister and method Download PDFInfo
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- CN104233527B CN104233527B CN201410498063.4A CN201410498063A CN104233527B CN 104233527 B CN104233527 B CN 104233527B CN 201410498063 A CN201410498063 A CN 201410498063A CN 104233527 B CN104233527 B CN 104233527B
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- 241001589086 Bellapiscis medius Species 0.000 title claims abstract description 30
- 239000011521 glass Substances 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000007789 gas Substances 0.000 description 65
- 229910000831 Steel Inorganic materials 0.000 description 2
- 210000000232 gallbladder Anatomy 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- Spinning Or Twisting Of Yarns (AREA)
Abstract
Double; two Pneumatic controllers of a kind of glass twister and method, the other end of high-pressure gas circuit pipe and low pressure gas circuit pipe is connected by the second gas circuit pipe and the second electromagnetic valve, and the second electromagnetic valve is connected with spindle cylinder and silk cylinder cylinder；High-pressure gas circuit pipe is provided with the first electromagnetic valve, low pressure gas circuit pipe is sequentially provided with pressure regulator valve, the check valve of backward stop and pressure release electromagnetic valve, pressure release electromagnetic valve is provided with at least one evacuation port, and on the second gas circuit pipe, the front end of the second electromagnetic valve is additionally provided with pressure transducer；First electromagnetic valve, pressure release electromagnetic valve, pressure transducer and the second electromagnetic valve are electrically connected with controlling device by control circuit.The present invention is by adopting double; two gas circuit, and sets the mode of low voltage control threshold values, it is achieved double; two air pressure control, the pressure that can make spindle cylinder and silk cylinder cylinder is switched to low-pressure state from high pressure, at this point it is possible to manual rotation silk cylinder or spindle, it is easy to repiece, is especially easy to broken yarn reproducing head.
Description
Technical field
Double; two Pneumatic controllers of the twisting machine spindle cylinder that the present invention relates in field of textile machinery in textile machine and the control field of silk cylinder cylinder, particularly a kind of glass twister and method.
Background technology
In existing glass fibre twisting apparatus, air-path control system is air pressure to be set to certain certain value again through electromagnetic valve to control operation and the parking of equipment.The air pressure of this setting can make equipment stably stop, but because after stopping, silk cylinder and spindle pressure-air effect in silk cylinder cylinder and spindle cylinder under be locked, silk cylinder cylinder and spindle cylinder all can not flexible rotating, so be unfavorable for stop time carry out repiece work.Repiece refers to that spindle yarn is by gases at high pressure, penetrates from the top-portion apertures of tensile members, after sequentially passing through steel gallbladder, lower steel gallbladder, comes outside yarn storage dish in the turning of the elbow of porcelain tube holder assembly another radial hole along yarn storage dish, it is achieved pneumatic repiece.
Summary of the invention
The technical problem to be solved is to provide a kind of double; two Pneumatic controllers and the method for glass twister, glass twister can be made when stopping, and switching spindle cylinder and the control pressure of silk cylinder cylinder, silk cylinder and spindle can flexible rotatings, facilitate repiece, and do not affect operation of twisting thread normally.
For solving above-mentioned technical problem, the technical solution adopted in the present invention is: double; two Pneumatic controllers of a kind of glass twister, gas circuit pipe connects with one end of high-pressure gas circuit pipe and low pressure gas circuit pipe, the other end of high-pressure gas circuit pipe and low pressure gas circuit pipe is connected by the second gas circuit pipe and the second electromagnetic valve, and the second electromagnetic valve is connected with spindle cylinder and silk cylinder cylinder；
High-pressure gas circuit pipe is provided with the first electromagnetic valve, low pressure gas circuit pipe is sequentially provided with pressure regulator valve, the check valve of backward stop and pressure release electromagnetic valve, pressure release electromagnetic valve is provided with at least one evacuation port, and on the second gas circuit pipe, the front end of the second electromagnetic valve is additionally provided with pressure transducer；
First electromagnetic valve, pressure release electromagnetic valve, pressure transducer and the second electromagnetic valve are electrically connected with controlling device by control circuit.
Described control device is PLC or single-chip microcomputer.
Gas circuit pipe is provided with pressure-reducing filter.
The air inlet of described pressure release electromagnetic valve connects with the rear end of check valve, and the air vent of pressure release electromagnetic valve connects with high-pressure gas circuit pipe and the second gas circuit pipe.
The control method of a kind of double; two Pneumatic controllers adopting above-mentioned glass twister, comprises the following steps:
One, under driving state:
Control device and control the first electromagnetic valve unlatching, second closed electromagnetic valve, it is hyperbar in high-pressure gas circuit pipe, check valve is in cut-off state, pressure release electromagnetic valve is in the conduction state, and the force value that pressure transducer detects is higher than setting low voltage value, and pressure transducer not feedback signal or control device are failure to actuate after relatively according to the signal of feedback, now spindle cylinder and silk cylinder cylinder are failure to actuate, and glass twister is in operating condition of normally twisting thread；
Two, parking is doffed under state:
Controlling device to control the first electromagnetic valve and open, the second electromagnetic valve is opened, and spindle cylinder and silk cylinder cylinder ventilation work make silk cylinder and spindle brake, and silk cylinder and spindle shut down, and glass twister is in parking and doffs state；
It is hyperbar in high-pressure gas circuit pipe, check valve is in cut-off state, pressure release electromagnetic valve is in the conduction state, and the force value that pressure transducer detects is higher than setting low voltage value, and pressure transducer not feedback signal or control device are failure to actuate after relatively according to the signal of feedback；
Three, repiece under dead ship condition:
Pressure regulator valve is set as low pressure, controls device and makes the first closed electromagnetic valve, and pressure release electromagnetic valve is switched to pressure release state, exhaust pressure relief；
When the pressure in the second gas circuit pipe is lower than the low pressure value set, pressure transducer feedback signal is to controlling device or controlling device through sending control signal with setting after low voltage value compares, controlling device makes pressure release electromagnetic valve reset, low pressure gas circuit pipe turns on, air inlet opened by check valve, the pressure making the second gas circuit pipe reaches to set low voltage value, and pressure transducer stops feedback signal, or controls the device signal according to feedback through sending control signal with setting after low voltage value compares；
Controlling device and control the second electromagnetic valve unlatching, spindle cylinder and silk cylinder cylinder under low pressure work；Now, silk cylinder and spindle can flexible rotatings under external force, it is simple to carry out spinning-in operation；
The double; two air pressure being realized glass twister by above-mentioned steps are controlled.
Described control device is PLC or single-chip microcomputer.
Gas circuit pipe is provided with pressure-reducing filter.
The air inlet of described pressure release electromagnetic valve connects with the rear end of check valve, the air vent of pressure release electromagnetic valve connects the air vent of pressure release electromagnetic valve and connects with high-pressure gas circuit pipe and the second gas circuit pipe with high-pressure gas circuit pipe and the second gas circuit pipe, when the air vent controlling device control pressure release electromagnetic valve connects with evacuation port, pressure release electromagnetic valve exhaust pressure relief.
Described sets low voltage value as 0.15～0.2MPa.
Preferably, described low voltage value is set as 0.2MPa.
Double; two Pneumatic controllers of a kind of glass twister provided by the invention and method, by adopting double; two gas circuit, and set the mode of low voltage control threshold values, realize double; two air pressure to control, the control pressure that can automatically make spindle cylinder and silk cylinder cylinder is switched to low-pressure state from high pressure, at this point it is possible to manual rotation silk cylinder or spindle, it is easy to repiece, is especially easy to broken yarn reproducing head.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is the overall structure schematic diagram of the present invention.
In figure: control device 1, pressure-reducing filter 2, the first electromagnetic valve 3, pressure regulator valve 4, check valve 5, pressure release electromagnetic valve 6, pressure transducer 7, second electromagnetic valve 8, spindle cylinder 9, silk cylinder cylinder 10, air inlet 11, control circuit 12, the first gas circuit pipe 13, second gas circuit pipe 13', high-pressure gas circuit pipe 131, low pressure gas circuit pipe 132, evacuation port S, air vent A, air inlet P.
Detailed description of the invention
Embodiment 1:
In Fig. 1, double; two Pneumatic controllers of a kind of glass twister, gas circuit pipe 13 is provided with pressure-reducing filter 2, adopts filtration under diminished pressure three linked piece, the air inlet 11 of gas circuit pipe 13 and air feed equipment, for instance air compressor machine connects in this example.Gas circuit pipe 13 connects with one end of high-pressure gas circuit pipe 131 and low pressure gas circuit pipe 132, the other end of high-pressure gas circuit pipe 131 and low pressure gas circuit pipe 132 is connected by the air inlet of the second gas circuit pipe 13' and the second electromagnetic valve 8, and the air vent of the second electromagnetic valve 8 is connected with spindle cylinder 9 and silk cylinder cylinder 10；
High-pressure gas circuit pipe 131 is provided with the first electromagnetic valve 3, low pressure gas circuit pipe 132 is sequentially provided with pressure regulator valve 4, the check valve 5 of backward stop and pressure release electromagnetic valve 6, pressure release electromagnetic valve 6 is provided with at least one evacuation port S, the air inlet P of described pressure release electromagnetic valve 6 connects with the rear end of check valve 5, and the air vent A of pressure release electromagnetic valve 6 connects with high-pressure gas circuit pipe 131 and the second gas circuit pipe 13'.
On the second gas circuit pipe 13', the front end of the second electromagnetic valve 8 is additionally provided with pressure transducer 7；
The pressure regulator valve 4 arranged is for making the pressure of low pressure gas circuit pipe 132 be reduced to the low voltage value of setting, thus supplying the gas of lower pressure to spindle cylinder 9 and silk cylinder cylinder 10.The check valve 5 of the backward stop arranged, low pressure gas circuit pipe 132 is avoided to be subject to the impact of high-pressure gas circuit pipe 131, the pressure release electromagnetic valve 6 arranged, for discharging the gas in low pressure gas circuit pipe 132 under original high pressure conditions, so that reducing with the pressure of the second gas circuit pipe 13' on the right side of low pressure gas circuit pipe 132, thus check valve 5 can be opened, and make pressure transducer 7 obtain a low-voltage signal lower than setting value simultaneously.
Front and rear in this example, or forward with reverse be as the criterion with the flow direction of gas, for ease of understand, front herein refers to the left in Fig. 1, and rear refers to the right in Fig. 1, forward refers to direction from left to right, and the reverse direction referred to from right to left, direction described below is all identical.
First electromagnetic valve 3, pressure release electromagnetic valve 6, pressure transducer 7 and the second electromagnetic valve 8 are electrically connected with controlling device 1 by control circuit 12.And the state of the first electromagnetic valve 3, pressure release electromagnetic valve 6 and the second electromagnetic valve 8 is controlled by control device 1, pressure transducer 7 is for detecting the pressure of the second gas circuit pipe 13', and control device 1 feedback signal giving lower than the state of setting value, thus structure, adopts this pressure transducer that certainly compares can reduce the control and computational load that control device 1.Optionally, the direct feedback pressure sensor 7 adopting constant feedback signal is also feasible, is compared and computing with setting value by controlling the device 1 force value to the second gas circuit pipe 13'.
Described control device 1 is PLC or single-chip microcomputer.This example preferably employs PLC.
Embodiment 2:
In Fig. 1, on all or part of architecture basics of embodiment 1, the control method of a kind of double; two Pneumatic controllers adopting above-mentioned glass twister, comprise the following steps:
One, under driving state:
Control device 1 controls the first electromagnetic valve 3 and opens, second electromagnetic valve 8 cuts out, it is hyperbar in high-pressure gas circuit pipe 131, check valve 5 is in cut-off state, the force value that pressure transducer 7 detects is higher than setting low voltage value, pressure transducer 7 not feedback signal or control device 1, such as, after PLC receives the pressure signal of pressure transducer 7, compare with default setting low voltage value, higher than setting low voltage value, controlling device 1 and do not send control signal, now spindle cylinder 9 and silk cylinder cylinder 10 are failure to actuate, and glass twister is in operating condition of normally twisting thread；Described control device 1 is PLC or single-chip microcomputer, it is preferred to use PLC.
Two, parking is doffed under state:
Controlling device 1 to control the first electromagnetic valve 3 and open, the second electromagnetic valve 8 is opened, and spindle cylinder 9 and silk cylinder cylinder 10 are ventilated work, make silk cylinder and spindle brake, and silk cylinder and spindle shut down, and glass twister is in parking and doffs state；
Being hyperbar in high-pressure gas circuit pipe 131, check valve 5 is in cut-off state, and the force value that the pressure transducer 7 for certainly comparing detects is higher than setting low voltage value, pressure transducer 7 not feedback signal；Or for the pressure transducer directly fed back, control device 1, for instance after PLC receives the pressure signal of pressure transducer 7, compare with default setting low voltage value, higher than setting low voltage value, control device 1 and be failure to actuate；
Three, repiece under dead ship condition:
Pressure regulator valve 4 is set as low pressure, controls device 1 and makes the first electromagnetic valve 3 close, pressure release electromagnetic valve 6 exhaust pressure relief；
When the pressure in the second gas circuit pipe 13' is lower than the low pressure value set, pressure transducer 7 feedback signal is to controlling device 1, controlling device 1 makes pressure release electromagnetic valve 6 reset, low pressure gas circuit pipe 132 turns on, air inlet opened by check valve 5, makes the pressure of the second gas circuit pipe 13' reach to set low voltage value, and pressure transducer 7 stops feedback signal, or control device 1 after comparison operation, send control signal；
Control device 1 controls the second electromagnetic valve 8 and opens, and spindle cylinder 9 and silk cylinder cylinder 10 under low pressure work；Now, silk cylinder and spindle can flexible rotatings under external force, it is simple to carry out spinning-in operation；
The double; two air pressure being realized glass twister by above-mentioned steps are controlled.
In Fig. 1, the air inlet P of described pressure release electromagnetic valve 6 connects with the rear end of check valve 5, and the air vent A of pressure release electromagnetic valve 6 connects with high-pressure gas circuit pipe 131 and the second gas circuit pipe 13'.When the air vent A that control device 1 controls pressure release electromagnetic valve 6 connects with evacuation port S, pressure release electromagnetic valve 6 exhaust pressure relief.When air inlet P connects with air vent A, low pressure gas circuit pipe 132 turns on, and low pressure gas circuit pipe 132 also with the right-hand member of high-pressure gas circuit pipe 131, the second gas circuit pipe 13' left end conducting.
Preferably, driving state and parking are doffed under state, and the force value in high-pressure gas circuit pipe 131 is 0.5-0.6MPa.
In preferred scheme, described sets low voltage value as 0.15～0.2MPa.It is further preferred that described sets low voltage value as 0.2MPa.The low pressure value that pressure regulator valve sets, higher than described setting low voltage value 0.01～0.1MPa, so that pressure transducer 7 or control device 1 can carry out successor operation, namely can produce one higher than the low pressure setting low voltage value in the second gas circuit pipe 13'.
The above embodiments are only the preferred technical solution of the present invention; and it is not construed as the restriction for the present invention; the technical scheme that protection scope of the present invention should be recorded with claim, is protection domain including the equivalents of technical characteristic in the technical scheme that claim is recorded.Namely equivalent replacement the within the scope of this is improved, also within protection scope of the present invention.
Claims (10)
1. double; two Pneumatic controllers of a glass twister, it is characterized in that: gas circuit pipe (13) connects with one end of high-pressure gas circuit pipe (131) and low pressure gas circuit pipe (132), the other end of high-pressure gas circuit pipe (131) and low pressure gas circuit pipe (132) is connected with the second electromagnetic valve (8) by the second gas circuit pipe (13'), and the second electromagnetic valve (8) is connected with spindle cylinder (9) and silk cylinder cylinder (10)；
High-pressure gas circuit pipe (131) is provided with the first electromagnetic valve (3), low pressure gas circuit pipe (132) is sequentially provided with pressure regulator valve (4), the check valve (5) of backward stop and pressure release electromagnetic valve (6), pressure release electromagnetic valve (6) is provided with at least one evacuation port (S), is additionally provided with pressure transducer (7) in the front end of the second upper second electromagnetic valve (8) of gas circuit pipe (13')；
First electromagnetic valve (3), pressure release electromagnetic valve (6), pressure transducer (7) and the second electromagnetic valve (8) are electrically connected with controlling device (1) by control circuit (12).
2. double; two Pneumatic controllers of a kind of glass twister according to claim 1, is characterized in that: described control device (1) is PLC or single-chip microcomputer.
3. double; two Pneumatic controllers of a kind of glass twister according to claim 1, is characterized in that: gas circuit pipe (13) is provided with pressure-reducing filter (2).
4. double; two Pneumatic controllers of a kind of glass twister according to claim 1, it is characterized in that: the air inlet (P) of described pressure release electromagnetic valve (6) connects with the rear end of check valve (5), the air vent (A) of pressure release electromagnetic valve (6) connects with high-pressure gas circuit pipe (131) and the second gas circuit pipe (13').
5. adopt a control method for double; two Pneumatic controllers of glass twister described in any one of Claims 1 to 4, it is characterized in that comprising the following steps:
One, under driving state:
Control device (1) and control the first electromagnetic valve (3) unlatching, second electromagnetic valve (8) cuts out, it is hyperbar in high-pressure gas circuit pipe (131), check valve (5) is in cut-off state, pressure release electromagnetic valve (6) is in the conduction state, the force value that pressure transducer (7) detects is higher than setting low voltage value, pressure transducer (7) not feedback signal or control device (1) are failure to actuate after relatively according to the signal of feedback, now spindle cylinder (9) and silk cylinder cylinder (10) are failure to actuate, and glass twister is in operating condition of normally twisting thread；
Two, parking is doffed under state:
Controlling device (1) to control the first electromagnetic valve (3) and open, the second electromagnetic valve (8) is opened, and spindle cylinder (9) and silk cylinder cylinder (10) are ventilated work, make silk cylinder and spindle brake, and silk cylinder and spindle shut down, and glass twister is in parking and doffs state；
It is hyperbar in high-pressure gas circuit pipe (131), check valve (5) is in cut-off state, pressure release electromagnetic valve (6) is in the conduction state, the force value that pressure transducer (7) detects is higher than setting low voltage value, and pressure transducer (7) not feedback signal or control device (1) are failure to actuate after relatively according to the signal of feedback；
Three, repiece under dead ship condition:
Pressure regulator valve (4) is set as low pressure, controls device (1) and makes the first electromagnetic valve (3) close, and pressure release electromagnetic valve (6) is switched to pressure release state, exhaust pressure relief；
When the pressure in the second gas circuit pipe (13') is lower than the low pressure value set, pressure transducer (7) feedback signal is to controlling device (1) or controlling device (1) through sending control signal with setting after low voltage value compares, controlling device (1) makes pressure release electromagnetic valve (6) reset, low pressure gas circuit pipe (132) turns on, air inlet opened by check valve (5), the pressure making the second gas circuit pipe (13') reaches to set low voltage value, pressure transducer (7) stops feedback signal, or control the device (1) signal according to feedback through sending control signal with setting after low voltage value compares；
Controlling device (1) and control the second electromagnetic valve (8) unlatching, spindle cylinder (9) and silk cylinder cylinder (10) under low pressure work；Now, silk cylinder and spindle can flexible rotatings under external force, it is simple to carry out spinning-in operation；
The double; two air pressure being realized glass twister by above-mentioned steps are controlled.
6. double; two air pressure control methods of a kind of glass twister according to claim 5, is characterized in that: described control device (1) is PLC or single-chip microcomputer.
7. double; two air pressure control methods of a kind of glass twister according to claim 5, is characterized in that: gas circuit pipe (13) is provided with pressure-reducing filter (2).
8. double; two air pressure control methods of a kind of glass twister according to claim 5, it is characterized in that: the air inlet (P) of described pressure release electromagnetic valve (6) connects with the rear end of check valve (5), the air vent (A) of pressure release electromagnetic valve (6) connects with high-pressure gas circuit pipe (131) and the second gas circuit pipe (13'), when the air vent (A) controlling device (1) control pressure release electromagnetic valve (6) connects with evacuation port (S), pressure release electromagnetic valve (6) exhaust pressure relief.
9. double; two air pressure control methods of a kind of glass twister according to claim 5, is characterized in that: described sets low voltage value as 0.15～0.2MPa.
10. double; two air pressure control methods of a kind of glass twister according to claim 9, is characterized in that: described sets low voltage value as 0.2MPa.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410498063.4A CN104233527B (en) | 2014-09-26 | 2014-09-26 | Double; two Pneumatic controllers of glass twister and method |
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| CN201410498063.4A CN104233527B (en) | 2014-09-26 | 2014-09-26 | Double; two Pneumatic controllers of glass twister and method |
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| CN104233527B true CN104233527B (en) | 2016-07-27 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110045673A (en) * | 2019-03-21 | 2019-07-23 | 日照裕鑫动力有限公司 | Spinning frame intelligent pressure regulating control system and its control method |
| CN115467061B (en) * | 2022-10-26 | 2024-05-24 | 常州市同和纺织机械制造有限公司 | Detection device and detection method for automatic doffing yarn holding cross beam |
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| US4961308A (en) * | 1987-09-03 | 1990-10-09 | Hans Stahlecker | Machine for pneumatic false-twist spinning |
| CN1470692A (en) * | 2002-07-09 | 2004-01-28 | W.施拉夫霍斯特公司 | Yarn twisting apparatus |
| CN202131419U (en) * | 2011-06-14 | 2012-02-01 | 绍兴华裕纺机有限公司 | Broken yarn processing device of ring spinning machine |
| CN202849623U (en) * | 2012-09-14 | 2013-04-03 | 杭州长翼纺织机械有限公司 | Glass fiber twisting frame |
| JP2013249170A (en) * | 2012-05-31 | 2013-12-12 | Murata Machinery Ltd | Liquid filling method for yarn splicing device and yarn winding machine employing the same |
| CN103484986A (en) * | 2013-08-19 | 2014-01-01 | 苏州三和开泰花线织造有限公司 | Twisting machine provided with break line unit |
| CN103484987A (en) * | 2012-06-12 | 2014-01-01 | 索若德国两合股份有限公司 | Textile machine with a large number of work positions |
| CN203569265U (en) * | 2013-09-26 | 2014-04-30 | 吴江伊莱纺织科技有限公司 | Two-for-one twister spindle position driven by single-spindle motor |
| CN204198937U (en) * | 2014-09-26 | 2015-03-11 | 宜昌经纬纺机有限公司 | Two Pneumatic controllers of glass twister |
-
2014
- 2014-09-26 CN CN201410498063.4A patent/CN104233527B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4961308A (en) * | 1987-09-03 | 1990-10-09 | Hans Stahlecker | Machine for pneumatic false-twist spinning |
| CN1470692A (en) * | 2002-07-09 | 2004-01-28 | W.施拉夫霍斯特公司 | Yarn twisting apparatus |
| CN202131419U (en) * | 2011-06-14 | 2012-02-01 | 绍兴华裕纺机有限公司 | Broken yarn processing device of ring spinning machine |
| JP2013249170A (en) * | 2012-05-31 | 2013-12-12 | Murata Machinery Ltd | Liquid filling method for yarn splicing device and yarn winding machine employing the same |
| CN103484987A (en) * | 2012-06-12 | 2014-01-01 | 索若德国两合股份有限公司 | Textile machine with a large number of work positions |
| CN202849623U (en) * | 2012-09-14 | 2013-04-03 | 杭州长翼纺织机械有限公司 | Glass fiber twisting frame |
| CN103484986A (en) * | 2013-08-19 | 2014-01-01 | 苏州三和开泰花线织造有限公司 | Twisting machine provided with break line unit |
| CN203569265U (en) * | 2013-09-26 | 2014-04-30 | 吴江伊莱纺织科技有限公司 | Two-for-one twister spindle position driven by single-spindle motor |
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Effective date of registration: 20240304 Address after: 443001 Wujiagang Industrial Park, Yichang City, Hubei Province Patentee after: YICHANG JINGWEI TEXTILE MACHINERY Co.,Ltd. Country or region after: China Patentee after: JINGWEI TEXTILE MACHINERY Co.,Ltd. Address before: 443001 No. 5 orange road, Yichang, Hubei Patentee before: YICHANG JINGWEI TEXTILE MACHINERY Co.,Ltd. Country or region before: China |