CN109082735B - Spindle tip drafting device of spinning frame - Google Patents
Spindle tip drafting device of spinning frame Download PDFInfo
- Publication number
- CN109082735B CN109082735B CN201810986834.2A CN201810986834A CN109082735B CN 109082735 B CN109082735 B CN 109082735B CN 201810986834 A CN201810986834 A CN 201810986834A CN 109082735 B CN109082735 B CN 109082735B
- Authority
- CN
- China
- Prior art keywords
- roller
- drafting
- gear
- yarn
- rotary drum
- 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
- 238000009987 spinning Methods 0.000 title claims abstract description 25
- 238000002360 preparation method Methods 0.000 claims abstract description 27
- 230000005540 biological transmission Effects 0.000 claims description 21
- 238000005096 rolling process Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 238000012546 transfer Methods 0.000 abstract description 4
- 230000002411 adverse Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
- 239000000835 fiber Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 241000283973 Oryctolagus cuniculus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H3/00—Spinning or twisting machines in which the product is wound-up intermittently, e.g. mules
- D01H3/02—Details
- D01H3/14—Roller-driving arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
The invention discloses a spinning frame spindle tip drafting device, which comprises a drafting preparation zone and a drafting zone which are sequentially arranged along the yarn moving direction; a first roller and a second roller are arranged between the drafting preparation zone and the drafting zone, the first roller and the second roller are arranged in a pairing way, and the first roller is driven by a power source to rotate; a third roller, a fourth roller and a rotary drum are arranged in the drafting preparation zone, and the third roller and the fourth roller are arranged in a pairing way; the rotary drum rotates under the drive of the power source, and the rotary drum and the first roller, the second roller, the third roller and the fourth roller are matched to feed yarns and twist simultaneously, so that yarns fed out from the first roller and the second roller into the drafting zone have target twist. According to the spindle tip drafting device of the spinning frame, a drafting preparation area is increased, yarns are physically isolated, and the adverse effect on drafting caused by uneven yarn twist distribution due to twist transfer hysteresis is effectively reduced by pre-twisting the yarns to be drafted, so that the quality of the yarns is improved, and the spinnability is expanded.
Description
Technical Field
The invention belongs to the technical field of textile machinery, and particularly relates to a spinning frame spindle tip drafting device.
Background
The frame spinning frame and the spindle spinning frame both belong to spindle tip twisting, coarse sand sent from the upper roller and the lower roller is twisted while being drafted until the drafting and twisting are completed, and then the coarse sand is wound on a bobbin, wherein one important process requirement is as follows: proper real-time twist is a precondition for ensuring high quality draft. As shown in fig. 1, in the spindle tip drafting device of the existing spinning frame, yarns enter a spindle through twisting and drafting at the back of an upper roller and a lower roller, the transmission of twist is delayed, so that the twist of the yarns from the spindle tip to the root of the roller is gradually reduced, particularly, the yarns just sent out from the root of the roller are almost free of twist, the yarns are easily pulled into details in the drafting process, yarns are broken seriously, the quality of the yarns is affected, and the delivery speed and the feeding speed of the yarns with poor twist transmission (such as all-wool yarns, rabbit wool yarns and the like) have to be reduced, so that the efficiency is affected. On the other hand, the twist transmission characteristics of different yarns are different, and the difference is quite large, so that when changing a new batch, the process parameters need to be readjusted according to the twist transmission characteristics, and the process parameters need to be repeated for a plurality of times to achieve a better effect.
Disclosure of Invention
The technical problem to be solved by the invention is to provide the spinning frame spindle tip drafting device, which effectively reduces the influence of uneven yarn twist distribution caused by twist transfer lag on drafting, improves yarn quality, expands the spinnability of yarn, can properly improve the speed of taking out and feeding, and improves spinning efficiency.
In order to solve the technical problems, the invention provides a spinning frame spindle tip drafting device for drafting yarns to a spindle, which comprises a drafting preparation zone and a drafting zone which are sequentially arranged along the yarn moving direction; a first roller and a second roller are arranged between the drafting preparation zone and the drafting zone, the first roller and the second roller are arranged in a matched mode, and the first roller is driven by a power source to rotate;
a third roller, a fourth roller and a rotary drum are arranged in the drafting preparation zone, and the third roller and the fourth roller are arranged in a pairing manner; the rotary drum rotates under the drive of a power source, and the rotary drum, the first roller, the second roller, the third roller and the fourth roller are matched to feed yarns and twist simultaneously, so that yarns fed out by the first roller and the second roller into the drafting zone have target twist;
when twisting, the first roller and the rotary drum synchronously rotate to twist the yarns;
when yarn is fed, the first roller, the second roller, the third roller and the fourth roller synchronously rotate to convey the yarn, and meanwhile, the rotary drum and the first roller synchronously rotate to twist the yarn.
In a preferred embodiment of the present invention, the drafting preparation zone is provided with a hollow yarn guide tube, and the yarn passes through the hollow yarn guide tube.
In a preferred embodiment of the present invention, the hollow yarn guiding tube is further fixed on a screw pair sliding table, and the screw pair sliding table drives the hollow yarn guiding tube to reciprocate along the movement direction of the yarn.
In a preferred embodiment of the present invention, the inner wall of the hollow yarn guiding tube is provided with an antistatic film.
In a preferred embodiment of the invention, the device further comprises a transmission system, wherein the transmission system is connected with a power source of the rotary drum, the output end of the transmission system is connected with the first roller, and the power source of the rotary drum is transmitted by the transmission system to form the power source of the first roller.
In a preferred embodiment of the present invention, the transmission system further includes a first gear, a second gear, a third gear and a fourth gear, wherein the first gear is connected with the power source of the drum, and the second gear is meshed with the first gear and rotates reversely; the third gear and the second gear are coaxially connected through a wheel shaft; the fourth gear is meshed with the third gear and 90. Reversing and rotating; the first roller is fixed on a wheel shaft of the fourth gear.
In a preferred embodiment of the present invention, the power source is a servo motor.
In a preferred embodiment of the present invention, the length of the draft preparation zone along the yarn moving direction is adjustable.
In a preferred embodiment of the present invention, the drafting preparation area further includes a mounting platform, a sliding rail is disposed on the mounting platform, the sliding rail linearly extends along the direction of yarn movement, a sliding table capable of sliding along the sliding rail is disposed on the sliding rail, and the third roller and the fourth roller are mounted on the sliding table.
In a preferred embodiment of the present invention, a base is fixed on the sliding table, and the third roller and the fourth roller are installed on the base.
The spinning frame spindle tip drafting device increases a drafting preparation area, performs physical isolation on yarns, truly realizes segmented drafting, can pretwist the yarns to be drafted, accurately twists the yarns to the twist suitable for drafting, effectively reduces adverse effects on drafting caused by uneven yarn twist distribution due to twist transfer hysteresis, improves yarn quality, expands spinnability, particularly fibers with poor spinnability such as short fiber high count yarns, has obvious effect, and can expand the drafting range.
On the other hand, since the pre-twisting is performed. The influence after twist transmission is effectively reduced, the speed of taking out and feeding the spinning can be properly improved, and the spinning efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of a prior art spinning frame spindle nose drafting device;
fig. 2 is a schematic structural view of a spinning frame spindle tip drafting device in a preferred embodiment of the invention;
FIG. 3 is a schematic top view of the transmission system of FIG. 2;
wherein: 2-yarn, 4-spindle, 6-first roller, 8-second roller, 10-third roller, 11-fourth roller, 12-rotary drum, 14-hollow yarn guide tube, 16-screw pair sliding table, 18-first gear, 20-second gear, 22-third gear, 24-fourth gear, 26-mounting platform, 28-sliding table, 30-base.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the invention and practice it.
Examples
As shown in fig. 2 to 3, the present embodiment discloses a spinning frame spindle tip drafting device for drafting yarn 2 to a spindle 4, which includes a drafting preparation zone and a drafting zone sequentially arranged along a yarn moving direction; a first roller 6 and a second roller 8 are arranged between the drafting preparation zone and the drafting zone, the first roller 6 and the second roller 8 are arranged in a matched mode, and the first roller 6 is driven by a power source to rotate;
A third roller 10, a fourth roller 11 and a rotary drum 12 are arranged in the drafting preparation zone, and the third roller 10 and the fourth roller 11 are arranged in pairs; the rotary drum 12 rotates under the drive of a power source, and the rotary drum 12 and the first roller 6, the second roller 8, the third roller 10 and the fourth roller 11 are matched with each other to feed yarn and twist simultaneously, so that the yarns 2 fed out by the first roller 6 and the second roller 8 into the drafting zone have target twist;
When twisting, the first roller 6 and the rotary drum 12 synchronously rotate, and twist the yarns 2;
When yarn is fed, the first roller 6, the second roller 8, the third roller 10 and the fourth roller 11 synchronously rotate to feed the yarn 2, and the rotary drum 12 synchronously rotates with the first roller 6 to twist the yarn.
The drafting device with the structure is added with a drafting preparation zone, physically separates yarns and pretwists the yarns entering the drafting zone: at the beginning, the rotary drum 12 rotates to twist the yarns, the first roller 6 rotates to enable the first roller 6 and the second roller 8 to cooperate to generate yarn twisting, after the yarns are twisted to be suitable for drafting twist (target twist), the first roller 6, the second roller 8, the third roller 10 and the fourth roller 11 synchronously rotate to convey the yarns 2, and the rotary drum 12 synchronously rotates with the first roller 6 to twist the yarns, so that the yarns in a drafting preparation area maintain relatively constant twist and synchronous strip conveying speed. Thus, adverse effects on the draft caused by yarn twist maldistribution due to twist transfer lag can be effectively reduced.
Specifically, the rotary drum 12 of the application is driven by a power source to rotate, the first roller 6 is driven by the power source to rotate, the second roller 8, the third roller 10 and the fourth roller 11 are all driven structures, the first roller 6 rotates to drive the second roller 8 which is arranged opposite to the upper side and the lower side to be driven, and the first roller 6 and the second roller 8 rotate to drive the third roller 10 and the fourth roller 11 to be driven. In the technical scheme of the embodiment, in order to save cost, the drum 12 and the first roller 6 are designed to share the same power source, and the implementation process is as follows:
The device also comprises a transmission system, wherein the transmission system is connected with a power source of the rotary drum 12, the output end of the transmission system is connected with the first roller 6, and the power source of the rotary drum 12 forms the power source of the first roller 6 after being transmitted by the transmission system. Specifically, the transmission system includes a first gear 18, a second gear 20, a third gear 22, and a fourth gear 24, wherein the first gear 18 is connected to the power source of the drum 12, and the second gear 20 is meshed with the first gear 18 and rotates in a reverse direction; the third gear 22 and the second gear 20 are coaxially connected by a wheel shaft; the fourth gear 24 is engaged with the third gear 22 and 90. Reversing and rotating; the first roller 6 is fixed to the wheel shaft of the fourth gear 24. The power source for driving the rotary drum 12 to rotate preferably uses a servo motor, and after the servo motor is started, the rotary drum 12 is driven to rotate to twist yarn, on the other hand, the first gear 18 is driven to rotate, the first gear 18 rotates to drive the second gear 20 meshed with the first gear to rotate in the same direction, the third gear 22 is driven to rotate synchronously, and the fourth gear 24 is driven to change direction 90 after the third gear 22 rotates. And (5) back rotation, and finally driving the first roller 6 to rotate.
In order to improve the compatibility of the drafting device, the method can be applied to fibers with different ferry, rough washing and cohesion, effectively expands the spinnability range of yarns, designs the stepless adjustable length of the drafting preparation zone, and has the following specific implementation modes:
the extension length of the draft preparation zone in the yarn moving direction can be adjusted. Specifically, an installation platform 26 is provided in the draft preparation area, a slide rail is provided on the installation platform 26, the slide rail linearly extends along the yarn moving direction, a slide table 28 capable of sliding along the slide rail is provided on the slide rail, a base 30 is fixed on the slide table 28, and the third roller 10 and the fourth roller 11 are installed on the base 30. The positions of the first roller 6 and the second roller 8 are fixed, and the extension length of the draft preparation area is adjusted by adjusting the fixed positions of the third roller 10 and the fourth roller 11 (the movement of the slide table 28 can be realized).
As a further development of the invention, a hollow yarn guide tube 14 is provided in the draft preparation zone, and the yarn 2 passes through the hollow yarn guide tube 14. In the process of yarn passing through the hollow yarn guide tube 14, the hollow yarn guide tube 14 smoothes the thread ends and the filings on the yarn, thereby being beneficial to improving the quality of the yarn. Friction is inevitably generated in the process of smoothing the yarn by the hollow yarn guide tube 14, and in order to avoid the influence of the operation of the whole system due to friction power generation, an antistatic film is arranged on the inner wall of the hollow yarn guide tube 14.
In order to further improve the smooth action of the hollow yarn guide tube 14 on the yarn, the hollow yarn guide tube 14 is fixed on a screw pair sliding table 16, and the screw pair sliding table 16 drives the hollow yarn guide tube 14 to reciprocate along the moving direction of the yarn. The screw pair sliding table 16 drives the hollow yarn guide tube 14 to reciprocate, so that the smooth action on yarns can be further promoted.
The above-described embodiments are merely preferred embodiments for fully explaining the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutions and modifications will occur to those skilled in the art based on the present invention, and are intended to be within the scope of the present invention. The protection scope of the invention is subject to the claims.
Claims (8)
1. A spinning frame spindle point drafting device for drafting yarn to spindle, characterized in that: the device comprises a drafting preparation zone and a drafting zone which are sequentially arranged along the yarn moving direction; a first roller and a second roller are arranged between the drafting preparation zone and the drafting zone, the first roller and the second roller are arranged in a matched mode, and the first roller is driven by a power source to rotate;
a third roller, a fourth roller and a rotary drum are arranged in the drafting preparation zone, and the third roller and the fourth roller are arranged in a pairing manner; the rotary drum rotates under the drive of a power source, and the rotary drum, the first roller, the second roller, the third roller and the fourth roller are matched to feed yarns and twist simultaneously, so that yarns fed out by the first roller and the second roller into the drafting zone have target twist;
when twisting, the first roller and the rotary drum synchronously rotate to twist the yarns;
when yarn is fed, the first roller, the second roller, the third roller and the fourth roller synchronously rotate to convey the yarn, and simultaneously the rotary drum and the first roller synchronously rotate to twist the yarn;
A hollow yarn guide tube is arranged in the drafting preparation zone, and the yarn passes through the hollow yarn guide tube;
the automatic rolling machine further comprises a transmission system, wherein the transmission system is connected with a power source of the rotary drum, an output end of the transmission system is connected with the first roller, and the power source of the rotary drum is transmitted by the transmission system to form a power source of the first roller.
2. The spinning frame spindle nose drafting device as claimed in claim 1, wherein: the hollow yarn guide tube is fixed on a screw pair sliding table, and the screw pair sliding table drives the hollow yarn guide tube to reciprocate along the moving direction of the yarn.
3. The spinning frame spindle nose drafting device as claimed in claim 2, wherein: an antistatic film is arranged on the inner wall of the hollow yarn guide tube.
4. The spinning frame spindle nose drafting device as claimed in claim 1, wherein: the transmission system comprises a first gear, a second gear, a third gear and a fourth gear, wherein the first gear is connected with a power source of the rotary drum, and the second gear is meshed with the first gear and rotates reversely; the third gear and the second gear are coaxially connected through a wheel shaft; the fourth gear is meshed with the third gear and rotates in 90-degree reversing manner; the first roller is fixed on a wheel shaft of the fourth gear.
5. Spinning frame spindle nose drafting device as claimed in any of claims 1 or 4, characterized in that: the power source is a servo motor.
6. The spinning frame spindle nose drafting device as claimed in claim 1, wherein: the extension length of the draft preparation zone in the yarn movement direction can be adjusted.
7. The spinning frame spindle nose drafting device as claimed in claim 6, wherein: the drafting preparation zone is internally provided with a mounting platform, the mounting platform is provided with a sliding rail, the sliding rail linearly extends along the yarn moving direction, the sliding rail is provided with a sliding table capable of sliding along the sliding rail, and the third roller and the fourth roller are mounted on the sliding table.
8. The spinning frame spindle nose drafting device as claimed in claim 7, wherein: the sliding table is fixedly provided with a base, and the third roller and the fourth roller are installed on the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810986834.2A CN109082735B (en) | 2018-08-28 | 2018-08-28 | Spindle tip drafting device of spinning frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810986834.2A CN109082735B (en) | 2018-08-28 | 2018-08-28 | Spindle tip drafting device of spinning frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109082735A CN109082735A (en) | 2018-12-25 |
| CN109082735B true CN109082735B (en) | 2024-07-09 |
Family
ID=64794921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810986834.2A Active CN109082735B (en) | 2018-08-28 | 2018-08-28 | Spindle tip drafting device of spinning frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109082735B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208965126U (en) * | 2018-08-28 | 2019-06-11 | 苏州友联纺工装备科技股份有限公司 | Spinning frame spindle pivot drafting system |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BG19497A1 (en) * | 1973-08-27 | 1975-06-25 | ||
| JPS6257941A (en) * | 1985-09-05 | 1987-03-13 | Kyowa Kikai Seisakusho:Kk | Method for controlling drive of sliver-delivery rolr of mule spinning frame |
| JPS63145431A (en) * | 1986-11-28 | 1988-06-17 | Kyowa Kikai Seisakusho:Kk | Winding of spun yarn in mule spinning machine |
| CN1707001B (en) * | 2004-05-29 | 2011-05-04 | 利特英格纺织机械制造股份公司 | Spinning preparing machine with drawing device for drawing fibre bound sliver and applied method thereof |
| CN205171053U (en) * | 2015-12-07 | 2016-04-20 | 湖北维新纺织股份有限公司 | Walk spindle formula spinning frame |
| CN205662650U (en) * | 2016-05-30 | 2016-10-26 | 苏州友联纺工装备科技股份有限公司 | Walk automatic piecing devices of a machine |
-
2018
- 2018-08-28 CN CN201810986834.2A patent/CN109082735B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208965126U (en) * | 2018-08-28 | 2019-06-11 | 苏州友联纺工装备科技股份有限公司 | Spinning frame spindle pivot drafting system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109082735A (en) | 2018-12-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202755128U (en) | Section color yarn spinning drafting mechanism | |
| CN203795057U (en) | Embedded segment-color spinning device | |
| CN103014947A (en) | A and B differentiated multi-component composite spinning device | |
| CN102031600A (en) | Ring spinning method and device of equi-linear density space dyed yarn | |
| CN103437012B (en) | Spinning machine automatic piecing arrangement | |
| CN201501702U (en) | Splitting drum winding machine | |
| CN102212900A (en) | Multilayer spandex airflow network yarn covering machine | |
| CN109082735B (en) | Spindle tip drafting device of spinning frame | |
| CN103806143B (en) | Bidirectional driving Speed frames | |
| CN204370078U (en) | A kind of two-for-one twister wrap-up transmission system | |
| CN206476579U (en) | Precursor tangentially moves back the glass fibre winding creel of solution | |
| CN218756234U (en) | Twisting device with automatic reel changing mechanism | |
| CN208965126U (en) | Spinning frame spindle pivot drafting system | |
| CN213976415U (en) | Constant tension active wire withdrawing machine | |
| CN216549021U (en) | High-speed constant-tension monofilament dividing machine | |
| CN213417113U (en) | Real silk and silk thread two-for-one twister | |
| CN203360673U (en) | Combined spinning line-making sample weaving machine | |
| CN107964708B (en) | Gold system thigh machine | |
| CN210287633U (en) | Automatic roving tension adjusting device on roving frame | |
| CN113788364A (en) | High-speed constant-tension monofilament dividing machine | |
| CN108423484A (en) | A kind of circle, flat filament one-step method band twist winder and its working method | |
| CN208104618U (en) | The transmission device of false twisting two-for-one twister | |
| CN211497907U (en) | Novel short flax spinning machine | |
| CN104651991A (en) | Non-scraping false twisting method and device | |
| CN114351300B (en) | Energy-saving spherical friction adjusting rotation speed type winding equipment for double-twist yarn production |
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 |