CN108516410B - Guide roller wire winding preventing device and method for polyimide tows - Google Patents
Guide roller wire winding preventing device and method for polyimide tows Download PDFInfo
- Publication number
- CN108516410B CN108516410B CN201810451105.7A CN201810451105A CN108516410B CN 108516410 B CN108516410 B CN 108516410B CN 201810451105 A CN201810451105 A CN 201810451105A CN 108516410 B CN108516410 B CN 108516410B
- Authority
- CN
- China
- Prior art keywords
- guide roller
- polyimide
- tows
- winding
- air knife
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000004642 Polyimide Substances 0.000 title claims abstract description 69
- 229920001721 polyimide Polymers 0.000 title claims abstract description 69
- 238000004804 winding Methods 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title claims description 19
- 238000004519 manufacturing process Methods 0.000 claims abstract description 33
- 238000009730 filament winding Methods 0.000 claims abstract description 27
- 238000007664 blowing Methods 0.000 claims abstract description 6
- 239000003570 air Substances 0.000 claims description 94
- 230000001105 regulatory effect Effects 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 7
- 230000001960 triggered effect Effects 0.000 claims description 6
- 239000012080 ambient air Substances 0.000 claims description 4
- 230000002265 prevention Effects 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 230000003068 static effect Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
- B65H63/06—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to presence of irregularities in running material, e.g. for severing the material at irregularities ; Control of the correct working of the yarn cleaner
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Quality & Reliability (AREA)
- Tension Adjustment In Filamentary Materials (AREA)
- Guides For Winding Or Rewinding, Or Guides For Filamentary Materials (AREA)
Abstract
The guide roller filament winding preventing device for the polyimide filament bundle comprises a filament winding alarming device and an air knife for blowing up the polyimide filament bundle, wherein the air knife is arranged on a production line rack at the filament outlet side of the guide roller, the air knife is externally connected with a high-pressure air source through an air inlet pipe, and an air outlet of the air knife faces to a position on the guide roller, which is contacted with the polyimide filament bundle; the winding alarm device is arranged on the frame at the wire feeding side of the guide roller and comprises a photoelectric switch and a rotating baffle plate matched with the photoelectric switch, the rotating baffle plate is close to the guide roller, and a winding gap is reserved between the plate edge of the rotating baffle plate and the guide roller. The device is simple, practical, safe and reliable, can greatly reduce the winding phenomenon of polyimide on the guide roller until thoroughly solving the winding phenomenon, improves the product quality and reduces the stop rate of the production line.
Description
Technical Field
The invention relates to the field of textile machinery, in particular to a guide roller filament winding preventing device for polyimide filament bundles and a filament winding preventing method by adopting the guide roller filament winding preventing device.
Background
At present, filament bundles can be wound when a guide roller is guided due to static electricity, broken filaments and the like in the polyimide post-treatment process, and serious filament winding can influence the product quality and increase the stop rate of a production line. In the prior art, in order to avoid the phenomenon of winding polyimide tows, a felt device is arranged on a guide roller, but through actual production verification, the felt device is not thoroughly wound, the winding prevention degree is not enough, the phenomenon of winding can also occur for a long time, and the felt can be accumulated due to long-term use and is very difficult to clean.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the guide roller filament winding preventing device for the polyimide filament bundles, which has reasonable design and simple structure and can effectively solve the filament winding problem of the guide roller.
The invention aims to provide a guide roller filament winding preventing method for polyimide tows.
The technical problems to be solved by the invention are realized by the following technical proposal. The invention relates to a guide roller filament winding preventing device for polyimide tows, which comprises a filament winding alarming device and an air knife for blowing up the polyimide tows, wherein the air knife is arranged on a production line rack at the filament outlet side of a guide roller, the air knife is externally connected with a high-pressure air source through an air inlet pipe, and an air outlet of the air knife faces to a position on the guide roller, which is contacted with the polyimide tows; the winding alarm device is arranged on the frame at the wire feeding side of the guide roller and comprises a photoelectric switch and a rotating baffle plate matched with the photoelectric switch, the rotating baffle plate is close to the guide roller, and a winding gap is reserved between the plate edge of the rotating baffle plate and the guide roller.
The technical problem to be solved by the invention can be further solved by the following technical scheme, for the guide roller filament winding preventing device for polyimide tows, the rotary baffle plate is transversely hinged on a production line frame at the filament feeding side of the guide roller through the rotary base, the photoelectric switch is arranged under the rotary baffle plate, and the rotary baffle plate is close to a detection port of the photoelectric switch from above.
The technical problem to be solved by the invention can be further solved by the following technical scheme, and the guide roller filament winding preventing device for the polyimide filament bundles further comprises an alarm, wherein the photoelectric switch is connected with the input end of the control terminal of the production line, and the alarm is connected with the output end of the control terminal of the production line.
The technical problem to be solved by the invention can be further solved by the following technical scheme, for the guide roller filament winding preventing device of the polyimide filament bundle, the air inlet pipe is provided with an air flow meter and an electric regulating valve for regulating the air flow intensity of the air knife, and the electric regulating valve is connected with the output end of the control terminal of the guide roller production line.
The technical problem to be solved by the invention can be further solved by the following technical scheme, and for the guide roller filament winding preventing device for the polyimide filament bundles, the air outlet of the air knife is right opposite to the position on the guide roller, which is contacted with the polyimide filament bundles, from below.
The technical problem to be solved by the invention can be further solved by the following technical scheme, and the length of the winding gap is 2mm-3mm for the guide roller winding preventing device for the polyimide tows.
The technical problem to be solved by the invention can be further solved by the following technical scheme, and the width of the air outlet of the air knife is 0.05mm for the guide roller filament winding preventing device for the polyimide filament bundles.
The technical problem to be solved by the invention can be further solved by the following technical scheme, and the air knife is an aluminum alloy air knife for the guide roller filament winding preventing device of the polyimide filament bundle.
The technical problem to be solved by the invention can be further solved by the following technical scheme, namely, the guide roller filament winding preventing method for the polyimide filament bundle, which uses the guide roller filament winding preventing device for the polyimide filament bundle to prevent filament winding, comprises the following steps:
(1) The air knife is arranged on a production line frame at the yarn outlet side of the guide roller, the air knife is externally connected with a high-pressure air source by utilizing an air inlet pipe, and the air outlet of the air knife faces to the position on the guide roller, which is contacted with the polyimide yarn bundles;
(2) The photoelectric switch is arranged on a production line rack at the wire feeding side of the guide roller, a detection port of the photoelectric switch is shielded by the rotary baffle plate, the plate edge of the rotary baffle plate is close to the guide roller, and a wire winding gap is reserved between the plate edge of the rotary baffle plate and the guide roller;
(3) Starting a production line, and enabling the guide roller to rotate to carry out direction-adjusting conveying on polyimide tows; starting a high-pressure air source to enable an air knife to blow polyimide tows from the lower direction; starting a photoelectric switch, and detecting whether the rotary baffle rotates;
(4) If the polyimide tows are broken, the air knife slightly blows the polyimide tows up to prevent the broken tows from being wound on the guide roller; if the winding appears on the guide roller, when the winding thickness reaches a certain thickness, the rotating baffle plate can be touched, so that the rotating baffle plate rotates, the photoelectric switch is triggered to send out a signal, the terminal of the production line receives the signal, the guide roller is controlled to stop, and an alarm is sent out through the alarm.
The technical problem to be solved by the invention can be further solved by the following technical scheme, and for the guide roller filament winding prevention method of the polyimide filament bundles, the air knife can maximally drain 40 times of ambient air.
Compared with the prior art, the air knife can blow the polyimide tows on the yarn outlet side of the guide roller, and when yarn breakage occurs, the polyimide tows are slightly blown up to prevent the polyimide tows from being wound on the guide roller; secondly, the air knife is insufficient in blowing effect, a wire is wound on the guide roller, when the thickness of the wire reaches a certain thickness, the rotary baffle plate is driven to rotate, the photoelectric switch is triggered to act, an alarm signal is further generated, the guide roller is stopped, and the serious wire winding phenomenon is avoided. The device is simple, practical, safe and reliable, can greatly reduce the winding phenomenon of polyimide on the guide roller until thoroughly solving the winding phenomenon, improves the product quality and reduces the stop rate of the production line.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, a guide roller filament winding preventing device for polyimide filament bundles comprises a filament winding alarming device 2 and an air knife 3 for blowing up the polyimide filament bundles, wherein the air knife 3 is arranged on a production line frame on the filament outlet side of a guide roller 1, the air knife 3 is externally connected with a high-pressure air source through an air inlet pipe, and an air outlet of the air knife 3 faces to a position on the guide roller 1, which is contacted with the polyimide filament bundles; the winding alarm device 2 is arranged on a frame of the wire feeding side of the guide roller 1, the winding alarm device 2 comprises a photoelectric switch 6 and a rotary baffle plate 5 matched with the photoelectric switch 6, the rotary baffle plate 5 is close to the guide roller 1, and a winding gap is reserved between the plate edge of the rotary baffle plate 5 and the guide roller 1. The air knife 3 is used for always blowing the polyimide tows at the yarn outlet side of the guide roller 1, so that the phenomenon that the polyimide tows are broken or stuck to the guide roller 1 for other reasons to cause yarn winding is avoided; the air knife 3 is externally connected with a high-pressure air source, so that the air flow intensity can be conveniently adjusted according to the requirement; the winding alarm device 2 is used for sending an alarm signal when the winding on the guide roller 1 reaches a certain thickness, and touching the rotary baffle plate 5 when the winding thickness exceeds a winding gap, so that the rotary baffle plate 5 rotates, and further the photoelectric switch 6 is triggered to act; the air knife 3 cooperates with both the winding alarm device 2, through two steps of safety measures, on the one hand, the winding phenomenon of the guide roller 1 is avoided, on the other hand, if the winding phenomenon occurs, the alarm can be timely generated and the guide roller 1 is stopped, serious winding is prevented, and the product quality is ensured.
The rotary baffle 5 is transversely hinged on a production line frame on the wire feeding side of the guide roller 1 through a rotary base, the photoelectric switch 6 is arranged right below the rotary baffle 5, and the rotary baffle 5 is close to a detection port of the photoelectric switch 6 from the upper side. The rotating baffle 5 is clung to the detection opening of the photoelectric switch 6, when the wire winding on the guide roller 1 reaches a certain thickness, namely after the thickness exceeds the wire winding gap, the rotating baffle 5 can be touched, the rotating baffle 5 rotates around the rotating base by a certain angle, and then the detecting opening of the photoelectric switch 6 is far away, so that the action of the photoelectric switch 6 is triggered.
The winding alarm device 2 further comprises an alarm, the photoelectric switch 6 is connected with the input end of the production line control terminal, and the alarm is connected with the output end of the production line control terminal. After receiving the action signal of the photoelectric switch 6, the production line control terminal can control the alarm to generate an alarm signal to remind workshop operators that the wire is wound on the guide roller 1, and the thickness of the wire reaches the limit thickness.
An air flow meter 4 and an electric regulating valve for regulating the air flow intensity of the air knife 3 are arranged on the air inlet pipe, and the electric regulating valve is connected with the output end of the control terminal of the guide roller 1 production line. Through the cooperation of electric control valve and air flowmeter 4, according to air flowmeter 4's demonstration, adjust electric control valve and make the air current intensity of air knife slightly blow the polyimide silk bundle when appearing breaking off, avoid polyimide silk bundle winding on deflector roll 1.
The air outlet of air knife 3 is from the below just to the position of deflector roll 1 on with polyimide tow contact, and during deflector roll 1 normally guide the silk, air knife 3 can not blow polyimide tow up, only appear breaking the wire or take place the static after, adsorb on deflector roll 1, just can blow polyimide tow up, avoid winding on deflector roll 1.
The length of the winding gap is 2mm-3mm. Preferably, the length of the winding gap is 2mm, the gap is too small, the arrangement of the rotating plate is not facilitated, and the gap is too large, so that the winding is too much, and the subsequent cleaning is inconvenient.
The width of the air outlet of the air knife 3 is 0.05mm, and the maximum drainage of 40 times of ambient air is realized, so that the air flow intensity can be conveniently adjusted according to the requirement.
The air knife 3 is an aluminum alloy air knife 3, is safe and environment-friendly, and can not pollute polyimide tows.
The guide roller filament winding preventing method for polyimide filament bundle includes the following steps:
(1) The air knife is arranged on a production line frame at the yarn outlet side of the guide roller, the air knife is externally connected with a high-pressure air source by utilizing an air inlet pipe, and the air outlet of the air knife faces to the position on the guide roller, which is contacted with the polyimide yarn bundles;
(2) The photoelectric switch is arranged on a production line rack at the wire feeding side of the guide roller, a detection port of the photoelectric switch is shielded by the rotary baffle plate, the plate edge of the rotary baffle plate is close to the guide roller, and a wire winding gap is reserved between the plate edge of the rotary baffle plate and the guide roller;
(3) Starting a production line, and enabling the guide roller to rotate to carry out direction-adjusting conveying on polyimide tows; starting a high-pressure air source to enable an air knife to blow polyimide tows from the lower direction; starting a photoelectric switch, and detecting whether the rotary baffle rotates;
(4) If the polyimide tows are broken, the air knife slightly blows the polyimide tows up to prevent the broken tows from being wound on the guide roller; if the winding appears on the guide roller, when the winding thickness reaches a certain thickness, the rotating baffle plate can be touched, so that the rotating baffle plate rotates, the photoelectric switch is triggered to send out a signal, the terminal of the production line receives the signal, the guide roller is controlled to stop, and an alarm is sent out through the alarm.
The air knife can maximally drain 40 times of ambient air.
Claims (9)
1. A guide roller wire winding prevention method for polyimide tows is characterized in that: the method uses a guide roller filament winding prevention device of polyimide tows to prevent filament winding, the device comprises a filament winding alarm device and an air knife for blowing up the polyimide tows, the air knife is arranged on a production line frame at the filament outlet side of the guide roller, the air knife is externally connected with a high-pressure air source through an air inlet pipe, and an air outlet of the air knife faces to a position on the guide roller, which is contacted with the polyimide tows; the winding alarm device is arranged on the rack at the wire feeding side of the guide roller and comprises a photoelectric switch and a rotary baffle plate matched with the photoelectric switch, the rotary baffle plate is close to the guide roller, and a winding gap is reserved between the plate edge of the rotary baffle plate and the guide roller;
the method comprises the following steps:
(1) The air knife is arranged on a production line frame at the yarn outlet side of the guide roller, the air knife is externally connected with a high-pressure air source by utilizing an air inlet pipe, and the air outlet of the air knife faces to the position on the guide roller, which is contacted with the polyimide yarn bundles;
(2) The photoelectric switch is arranged on a production line rack at the wire feeding side of the guide roller, a detection port of the photoelectric switch is shielded by the rotary baffle plate, the plate edge of the rotary baffle plate is close to the guide roller, and a wire winding gap is reserved between the plate edge of the rotary baffle plate and the guide roller;
(3) Starting a production line, and enabling the guide roller to rotate to carry out direction-adjusting conveying on polyimide tows; starting a high-pressure air source to enable an air knife to blow polyimide tows from the lower direction; starting a photoelectric switch, and detecting whether the rotary baffle rotates;
(4) If the polyimide tows are broken, the air knife slightly blows the polyimide tows up to prevent the broken tows from being wound on the guide roller; if the winding appears on the guide roller, when the winding thickness reaches a certain thickness, the rotating baffle plate can be touched, so that the rotating baffle plate rotates, the photoelectric switch is triggered to send out a signal, the terminal of the production line receives the signal, the guide roller is controlled to stop, and an alarm is sent out through the alarm.
2. The guide roll anti-entanglement method for polyimide tows according to claim 1, characterized in that: the rotary baffle is transversely hinged on a production line frame at the yarn feeding side of the guide roller through the rotary base, the photoelectric switch is arranged right below the rotary baffle, and the rotary baffle is close to a detection port of the photoelectric switch from the upper side.
3. The guide roll anti-entanglement method for polyimide tows according to claim 1 or 2, characterized in that: the winding alarm device further comprises an alarm, the photoelectric switch is connected with the input end of the production line control terminal, and the alarm is connected with the output end of the production line control terminal.
4. The guide roll anti-entanglement method for polyimide tows according to claim 1, characterized in that: an air flow meter and an electric regulating valve for regulating the air flow intensity of the air knife are arranged on the air inlet pipe, and the electric regulating valve is connected with the output end of the control terminal of the guide roller production line.
5. The guide roll anti-entanglement method for polyimide tows according to claim 1, characterized in that: the air outlet of the air knife is aligned with the contact position of the guide roller and the polyimide tows from below.
6. The guide roll anti-entanglement method for polyimide tows according to claim 1, characterized in that: the length of the winding gap is 2mm-3mm.
7. The guide roll anti-entanglement method for polyimide tows according to claim 1, characterized in that: the width of the air outlet of the air knife is 0.05mm.
8. The guide roll anti-entanglement method for polyimide tows according to claim 1, characterized in that: the air knife is an aluminum alloy air knife.
9. The guide roll anti-entanglement method for polyimide tows according to claim 1, characterized in that: the air knife can maximally drain 40 times of ambient air.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810451105.7A CN108516410B (en) | 2018-05-11 | 2018-05-11 | Guide roller wire winding preventing device and method for polyimide tows |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810451105.7A CN108516410B (en) | 2018-05-11 | 2018-05-11 | Guide roller wire winding preventing device and method for polyimide tows |
Publications (2)
Publication Number | Publication Date |
---|---|
CN108516410A CN108516410A (en) | 2018-09-11 |
CN108516410B true CN108516410B (en) | 2023-11-24 |
Family
ID=63430539
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810451105.7A Active CN108516410B (en) | 2018-05-11 | 2018-05-11 | Guide roller wire winding preventing device and method for polyimide tows |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108516410B (en) |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201351192Y (en) * | 2009-01-09 | 2009-11-25 | 龙岩成冠化纤有限公司 | Lateral blowing silk-floating preventing device of polyester staple fiber spinning production |
CN201605412U (en) * | 2010-01-21 | 2010-10-13 | 常州市润源经编机械有限公司 | Automatic warp stop device of warp knitting machine |
CN201924139U (en) * | 2011-01-13 | 2011-08-10 | 海宁安捷复合材料有限责任公司 | Improved rapier machine structure |
CN102431814A (en) * | 2010-09-29 | 2012-05-02 | 上海中吉机械制造有限公司 | Waste adsorption device |
CN104444498A (en) * | 2014-11-19 | 2015-03-25 | 陈明谈 | Adhesive tape winding machine |
CN204777898U (en) * | 2015-07-10 | 2015-11-18 | 湖北太升包装有限公司 | Disconnected detection device is prevented in flat filament area |
CN204959114U (en) * | 2015-07-21 | 2016-01-13 | 江苏宏泰纤维科技有限公司 | Spinning window is used in polyester filament production |
CN205015429U (en) * | 2015-09-17 | 2016-02-03 | 浙江万马股份有限公司 | Automatic broken wire detection alarm |
CN205275881U (en) * | 2015-12-11 | 2016-06-01 | 长兴新邦纺织有限公司 | Automatic cleaning device of silk is acted on one's own judgement in warp knitting |
CN206646194U (en) * | 2017-04-21 | 2017-11-17 | 福建德为聚纤有限公司 | A kind of draw-off godet device of anti-tangle silk |
CN208561258U (en) * | 2018-05-11 | 2019-03-01 | 江苏奥神新材料股份有限公司 | A kind of anti-tangle silk device of deflector roll for polyimides tow |
-
2018
- 2018-05-11 CN CN201810451105.7A patent/CN108516410B/en active Active
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201351192Y (en) * | 2009-01-09 | 2009-11-25 | 龙岩成冠化纤有限公司 | Lateral blowing silk-floating preventing device of polyester staple fiber spinning production |
CN201605412U (en) * | 2010-01-21 | 2010-10-13 | 常州市润源经编机械有限公司 | Automatic warp stop device of warp knitting machine |
CN102431814A (en) * | 2010-09-29 | 2012-05-02 | 上海中吉机械制造有限公司 | Waste adsorption device |
CN201924139U (en) * | 2011-01-13 | 2011-08-10 | 海宁安捷复合材料有限责任公司 | Improved rapier machine structure |
CN104444498A (en) * | 2014-11-19 | 2015-03-25 | 陈明谈 | Adhesive tape winding machine |
CN204777898U (en) * | 2015-07-10 | 2015-11-18 | 湖北太升包装有限公司 | Disconnected detection device is prevented in flat filament area |
CN204959114U (en) * | 2015-07-21 | 2016-01-13 | 江苏宏泰纤维科技有限公司 | Spinning window is used in polyester filament production |
CN205015429U (en) * | 2015-09-17 | 2016-02-03 | 浙江万马股份有限公司 | Automatic broken wire detection alarm |
CN205275881U (en) * | 2015-12-11 | 2016-06-01 | 长兴新邦纺织有限公司 | Automatic cleaning device of silk is acted on one's own judgement in warp knitting |
CN206646194U (en) * | 2017-04-21 | 2017-11-17 | 福建德为聚纤有限公司 | A kind of draw-off godet device of anti-tangle silk |
CN208561258U (en) * | 2018-05-11 | 2019-03-01 | 江苏奥神新材料股份有限公司 | A kind of anti-tangle silk device of deflector roll for polyimides tow |
Also Published As
Publication number | Publication date |
---|---|
CN108516410A (en) | 2018-09-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB1196051A (en) | Method and Apparatus for Cleaning Open-End Spinning Devices. | |
CN202401170U (en) | Slow cooling treatment device | |
CN108516410B (en) | Guide roller wire winding preventing device and method for polyimide tows | |
GB1247234A (en) | Yarn piecing apparatus | |
CN202152391U (en) | Filament-break detection and automatic creeling device for single chemical fiber filaments | |
CN103898639B (en) | Yarn accumulation device and spinning unit | |
CN208561258U (en) | A kind of anti-tangle silk device of deflector roll for polyimides tow | |
CN203450954U (en) | Silk cutting and sucking device installed on silk sucking main pipe | |
GB1296936A (en) | ||
CN208917389U (en) | A kind of spun yarn covering yarn conductive filament roller is the same as pacing checking device | |
CN203602784U (en) | Metal removing device of cotton slitting machine | |
CN104294430A (en) | Cotton-plugging automatic stop device for drawing frame bell mouth | |
CN208898267U (en) | A kind of silk spinning automatic winder yarn cleaning device | |
CN103420217A (en) | Silk cutting and silk sucking device arranged on silk sucking main pipe | |
CN202227011U (en) | Intelligent linear array detection device | |
CN211689337U (en) | Novel two-for-one twister | |
CN104176563B (en) | Tail yarn head keeping device for tail yarn removing machine | |
CN203393331U (en) | Self-stopping device for bell mouth cotton blockage of drawing frame | |
CN203583049U (en) | Cotton sliver conveying mechanism of high-speed cotton combing machine | |
US3765068A (en) | Process and apparatus for the stufferbox crimping of yarns | |
CN202075362U (en) | Break-wire grounding detector applied to multiwire slicer | |
JP2016102267A (en) | Fiber collecting apparatus, drafting apparatus and spinning machine | |
CN218262915U (en) | Warning device for broken yarn in production of spinning stretch yarn | |
CN105696129B (en) | A kind of drawing frame buncher blocks up cotton automatic stop arrangement | |
CN212505219U (en) | Accurate broken yarn detection system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |