CN203768537U - Turnplate-type ring spindle spinning device with function of accumulating by negative pressure air - Google Patents
Turnplate-type ring spindle spinning device with function of accumulating by negative pressure air Download PDFInfo
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- CN203768537U CN203768537U CN201420148781.4U CN201420148781U CN203768537U CN 203768537 U CN203768537 U CN 203768537U CN 201420148781 U CN201420148781 U CN 201420148781U CN 203768537 U CN203768537 U CN 203768537U
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- rotating disk
- yarn
- air
- turnplate
- poly
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- Spinning Or Twisting Of Yarns (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
A turnplate-type ring spindle spinning device with a function of accumulating by negative pressure air comprises an accumulating mechanism and a transmission mechanism. The accumulating mechanism is disposed on the outlet side of a jaw of a front roller of a ring spinning frame and comprises a turnplate, a wheel, a fiber guide block, a twisting stop wheel, and a negative pressure suction tube; the turnplate is provided with an air channel; the bottom of the air channel is provided with an air hole penetrating the turnplate; the negative pressure suction tube is arranged below the turnplate and is provided with a suction hole upwardly attached to the bottom of the turnplate. During spinning, the turnplate and the wheel are driven by the transmission mechanism to synchronously rotate at constant speed, intake air is generated from the suction hole through the turnplate by negative pressure in the negative pressure suction tube, fiber hairs discharged from the front roller are continuously sucked onto the surface of the turnplate and are guided away at constant speed with rotation of the turnplate; the fiber hairs attaching to the surface of the turnplate are controlled via air in the whole course; during rotation of the turnplate, the fiber hairs accumulate to an accumulating shaft shoulder or an accumulating grooved shaft due to changes in the position of a lower suction hole of the turnplate; after passing a twisting stop jaw, the fiber hairs are driven by rotation of a spindle and twisted into yarns.
Description
Technical field
The utility model belongs to spinning shaping manufacture field, relates to a kind of rotating disc type ring spindle yarn negative-pressure air-flow collecting-spinning device.
Background technology
The yarn plumage that becomes mildewed is the Harmful Defect of yarn, for thin elimination in ring spindle yarn manufacturing procedure is harmful to the plumage that becomes mildewed, gathering and twisted of the fiber strip that people export for front roller, multiple spinning method is proposed: compact spinning---at fiber output front roller, enter before twisting area, utilize air-flow fiber strip, be integrated on the surface of a porous, because negative-pressure air-flow suction is aggregated, dwindle jaw place fiber strip width, reduce filoplume; Match network spins---on fine spining machine, feed two rove that keep a determining deviation, after drawing-off, export this two single thread yarns by front roller, because the transmission of the twist makes on single thread yarn with a small amount of twist, after amalgamation, further added the yarn that is twisted similar plying, reach and reduce filoplume effect; Match network phenanthrene spins---and spin on basis and change at match network, at ring throstle, the staple fibre yarn after one threads and another root drawing-off is handed over and is twisted yarn, reduce filoplume; The spinning of rope sieve---under front roller, installing a surface additional has the roller of cutting apart of many grooves, utilize groove that the flat yarn of exporting under front jaw is divided into many fillets, these fiber fillets turn round around self twisting with the fingers the heart due to twist transmission, with a small amount of twist, converged twisting again, formed the hawser yarn that similar multiply sliver is twisted; Match network compact spinning---taking compact spinning as basis, be equipped with match network and spin characteristic; Air-Jet Spinning---utilize after jet-stream wind counter extensioin when ribbon is implemented false twisting, on ribbon, some open-fibre end loopings are in ribbon periphery, negative pressure suction type open-end spinning---utilize negative-pressure air-flow, immediately the fiber strip of front roller output is sucked to spinning passage and assemble twisting resultant yarn.
Utility model content
An object of the present utility model is to provide a kind of rotating disc type ring spindle yarn negative-pressure air-flow collecting-spinning device.
A kind of rotating disc type ring spindle yarn negative-pressure air-flow collecting-spinning device, device is by gathering mechanism, transmission mechanism composition, gather mechanism and be arranged on ring throstle front roller nip outlet side, transmission mechanism drives the rotation of gathering mechanism, the described mechanism that gathers has comprised rotating disk, runner, fibre guide piece, only twist wheel, negative pressure suction tube, described transmission mechanism comprises mandrel, spindle gear, some carrier gears, some travelling gears or some drives, driving belt, runner overlaps in rotating disk card, overlapping, runner external diameter is less than rotating disk external diameter and forms the poly-yarn shaft shoulder or poly-yarn groove, rotating disk and runner are fixedly set in synchronous rotary on mandrel, mandrel is perpendicular to roller shaft, spindle gear is equipped with in one end of mandrel, spindle gear and carrier gear, travelling gear forms train, by front roller transmission or by independently transmission mechanism transmission, front roller is 1: 1～1: 1.15 with the ratio of poly-yarn shaft shoulder linear resonance surface velocity or poly-yarn rooved face linear velocity, the upper surface of rotating disk is plane, disk upper surface has air drain, the passage that penetrates rotating disk is arranged at air drain bottom, negative pressure suction tube is positioned at rotating disk below, on negative pressure suction tube, there is air entry, air entry is upwards pasting rotating disk bottom surface, see through passage and air drain air amount on rotating disk, when yarn adds Z sth. made by twisting, rotating disk turns clockwise, air entry is positioned at runner right side, fibre guide piece magnetic absorption or elastic force are pressed against on rotating disk, do not move with the rotation of rotating disk, fiber strip is played to the effect of guiding, only twist wheel side direction is pressed in the poly-yarn shaft shoulder or poly-yarn groove place, form and only twist with the fingers jaw, only twist with the fingers jaw and be positioned at the point of contact place of twizzle center and the poly-yarn shaft shoulder or poly-yarn fluted shaft footpath line, when spinning, rotating disk and runner are made synchronous uniform velocity and are rotated under the driving of transmission mechanism, negative pressure in negative pressure suction tube sees through rotating disk from air entry and produces suction air-flow, the fiber strip of output front roller is inhaled continuously to rotating disk card, rotation with rotating disk at the uniform velocity deflects from, be attached to the fiber strip in rotating disk card, the whole process current control of being bullied, in with dial rotation, be subject to the variation of air entry position under rotating disk, gather to the poly-yarn shaft shoulder or poly-yarn fluted shaft place, through only twisting with the fingers after jaw, fiber strip is under the rotarily driving of spindle, twisting resultant yarn.
In device, the diameter of runner is 20～45mm, disk diameter is greater than runner diameter 6～16mm, the poly-yarn shaft shoulder or poly-yarn groove are by rotating disk and runner is overlapping constitutes, the plane of rotating disk and the cylinder of runner form the shape of the poly-yarn shaft shoulder or poly-yarn groove, and its form is square or for acute angle shape or be spill.
In device, rotating disk and runner overlay region are circular, and the air entry of rotating disk bottom surface surrounds overlay region forming section, and air entry rises from front roller nip and draws yarn place, eventually as for only twisting with the fingers jaw place.
In device, one end of disk upper surface air drain is positioned at rotating disk and runner overlapping region, the path of air drain deflects from the radial direction of rotating disk, keep becoming an intersecting angle with the fiber strip direction of disc surfaces, fiber does not embed in air drain, air drain linearly or curved radial dispersing from inside to outside, air drain wall becomes α angle with disk upper surface, α is 45 °～90 °, and oblique rotating disk outside, air drain bottom ventilation axially bored line becomes β angle with disc surfaces, β is 45 °～90 °, and along the oblique rotating disk of air drain direction outside.
In device, fibre guide piece is positioned at front roller nip place, relies on magnetic attraction or elastic pressure or self gravitation adhere to or are suspended on disk upper surface, plays the guiding function between roller nip and rotating disk to fiber strip.
In device, only twist wheel is cylindrical or dish-shaped, only twist wheel axis be parallel to mandrel axis or with mandrel Axis Cross, the angle of the crossing is 15 °～45 °.
In device, the mandrel of rotating disk and front roller axle cross angle are 90 °, and plane of rotor disc and front roller nip tangent line angle γ are 150 °～180 °.
When the integrated composite spinning of rotating disc type ring spindle yarn negative-pressure air-flow, a rove yarn feeds from rear roller through horn mouth, through middle roller, front roller drawing-off output, deflected from continuously by accumulator, and operate to draw in yarn process with accumulator and gather bunchy, through only twisting with the fingers jaw output, under the turning effort of ring ingot, twisted resultant yarn, accumulator adopts the disc face of rotating disk and the rotation of rotating disk to carry and deflect from fiber strip, rotating disk rotate disk axis rotate, rotating disk axis is perpendicular to front roller axis, rotating disk and the combination of negative pressure tracheae, rotating disk covers on negative pressure tracheae gas port, negative pressure tracheae sees through pore and the air drain air amount in rotating disk card, the fiber strip of the airstream suction front roller output producing when air amount is attached to the disc surfaces of rotation, and with the guiding of negative pressure tracheae gas port form under the rotation of rotating disk and rotating disk, the fiber strip adhering to gathers to the poly-yarn shaft shoulder or poly-yarn groove on rotating disk, after only twisting with the fingers jaw output, under the rotarily driving of spindle, twisting resultant yarn.
The integrated composite spinning of rotating disc type ring spindle yarn negative-pressure air-flow, rotating disk is with constant speed rotary, deflect from fiber strip, the poly-yarn shaft shoulder diameter of axle linear resonance surface velocity on rotating disk or poly-yarn fluted shaft footpath linear resonance surface velocity are equal to, or greater than front roller linear resonance surface velocity, keep fiber strip to transfer on rotating disk with straight form; Be introduced into rotating disk, extremely go to and only twist with the fingers jaw with rotating disk from jaw at fiber strip, the whole yarn path of drawing, omnidistance in negative pressure endotracheal suction gas port position, be subject to air-flow absorption, make that filamentary tail end in fiber strip is not dispersed, ribbon width diminishes, boundling twisting.
The beneficial effect that the utility model is realized:
The plumage that becomes mildewed of yarn is unfavorable for the processing of yarn Hou road, reducing harmful plumage that becomes mildewed is the problem that many textile technology personnel study all the time, the utility model proposes a kind of rotating disc type ring spindle yarn negative-pressure air-flow collecting-spinning device, be with existing compact spinning or integrated composite spinning difference: rotating disc type gathers its poly-yarn path length of yarn, poly-yarn regional gas stream and omnidistancely controls, only twists with the fingers jaw fiber multiaspect is clamped, be conducive to the tight twisting of fiber strip, reduce filoplume.
Brief description of the drawings
Fig. 1 is the structural representation that a kind of rotating disc type ring spindle yarn of the utility model negative-pressure air-flow collecting-spinning device gathers mechanism;
Fig. 2 is the structural representation of the utility model rotating disk and air entry, fiber guide piece;
Fig. 3 is the schematic diagram (air drain is distributed on whole annular section, only draws signal in figure) that the utility model rotating disk air drain distributes;
Fig. 4 is the utility model rotating disk air drain and the passage structural representation perpendicular to disk upper surface;
Fig. 5 is that rotating disk air drain and disk upper surface acutangulate α, the passage structural representation perpendicular to disk upper surface;
Fig. 6 is the structural representation that passage and disk upper surface acutangulate β;
Fig. 7 is the structural representation that the utility model stops twist wheel;
Fig. 8 is a kind of mode schematic diagram of the utility model rotating disk transmission;
Detailed description of the invention
Describe the technical solution of the utility model in detail with embodiment below.The utility model embodiment is only for explanation concrete grammar, and its scale of the method is not subject to the restriction of embodiment.
Embodiment
As shown in Figure 1, a kind of rotating disc type ring spindle yarn negative-pressure air-flow collecting-spinning device gather mechanism, gather mechanism and be positioned at front roller nip outlet side, gathering mechanism is by rotating disk 2, runner 3, fibre guide piece 8, only twist wheel 7, negative pressure suction tube 6, mandrel 4, spindle gear 5, some carrier gears, some travelling gears, runner 3 overlaps in the card of rotating disk 2, the runner external diameter of overlapping is less than rotating disk external diameter, form the poly-yarn shaft shoulder or poly-yarn groove, the poly-yarn shaft shoulder or poly-yarn groove are by rotating disk and runner is overlapping constitutes, the plane of rotating disk and the cylinder of runner form the shape of the poly-yarn shaft shoulder or poly-yarn groove, its form is spill, rotating disk 2, runner 3 is fixedly set on mandrel 4, spindle gear 5 is equipped with in one end of mandrel 4, only twist wheel side direction is pressed in the poly-yarn shaft shoulder or poly-yarn groove place, form and only twist with the fingers jaw.
Figure 2 shows that on rotating disk and runner and the region overlapping, air entry A, fibre guide piece 8, only twist with the fingers the position of jaw D, in figure, within circle track E, be rotating disk and runner and the region overlapping, the diameter of circle track E, the namely diameter of axle of the poly-yarn shaft shoulder or poly-yarn groove, air entry is positioned at runner right side, air entry surrounds overlay region forming section, air entry rises from front roller nip and draws yarn place, eventually as for only twisting with the fingers jaw place, fibre guide piece 8 is positioned at front roller nip place, rely on magnetic attraction, or elastic pressure, or self gravitation adheres to or is suspended on disk upper surface, play the guiding function between roller nip and rotating disk to fiber strip, only twist with the fingers jaw D and be positioned at the point of contact place of twizzle center and the poly-yarn shaft shoulder or poly-yarn fluted shaft footpath line, the mandrel of rotating disk and front roller axle cross angle are 90 °, plane of rotor disc and front roller nip tangent line angle γ are 150 °～180 °.
As shown in Figure 1 and Figure 2, negative pressure suction tube is positioned at rotating disk below, has air entry on negative pressure suction tube, and air entry is upwards pasting rotating disk bottom surface, sees through passage and air drain air amount on rotating disk.
Figure 3 shows that the distribution of disc surfaces air drain, in figure, broken circle track F is that one end of disk upper surface air drain is starting point, the diameter of circle track F is less than the diameter of circle track E in Fig. 2, one end of disk upper surface air drain, be positioned at rotating disk and runner overlapping region, the path of air drain deflects from the radial direction of rotating disk, keeps becoming an intersecting angle with the fiber strip direction of disc surfaces, fiber does not embed in air drain, and air drain linearly or curved radial dispersing from inside to outside.
As shown in Figure 4, the upper surface of rotating disk 2 is planes, and rotating disk 2 upper surfaces have air drain B, and the passage C that penetrates rotating disk 2 is arranged at air drain bottom, and air drain opening is perpendicular to disk upper surface, and the passage of air drain bottom is perpendicular to plane of rotor disc.
As shown in Figure 5, the angle α that air drain wall and disk upper surface form is acute angle, and oblique rotating disk outside, and air drain bottom air vent is perpendicular to plane of rotor disc.
As shown in Figure 6, the angle β that passage axis and disc surfaces form is acute angle, and along the oblique rotating disk of air drain direction outside.
As shown in Figure 1, Figure 7 shows, only twist wheel is dish, only twist wheel axis be parallel to mandrel axis or with mandrel Axis Cross, the angle of the crossing is 15 °～45 °.
The rotating disk kind of drive, can or adopt motor direct-drive by roller transmission, transmission system can adopt gear train assembly, change transmission direction with helical gear, also can adopt wheel and band transmission, as shown in Figure 8, for the transmission schematic diagram of roller driving turntable mandrel, spindle gear 5 and second level carrier gear 51, first order carrier gear 52, travelling gear 53 forms train, by front roller 1 transmission, on roller shaft 1, fixed cover is equipped with and passes gear 53, pass gear 53 by first order carrier gear 52, second level carrier gear 51 drive mandrel gears 5, front roller is 1: 1～1: 1.15 with the ratio of poly-yarn shaft shoulder linear resonance surface velocity or poly-yarn rooved face linear velocity.
In rotating disc type ring spindle yarn negative-pressure air-flow integrated composite spinning process, front roller 1 output fiber yarn L, rotating disk and runner are made synchronous uniform velocity and are rotated under the driving of transmission mechanism, negative pressure in negative pressure suction tube sees through rotating disk from air entry and produces suction air-flow, the fiber strip of output front roller is inhaled continuously to rotating disk card, rotation with rotating disk at the uniform velocity deflects from, be attached to the fiber strip in rotating disk card, the whole process current control of being bullied, with the rotation of rotating disk 2, fiber strip L is deflected from front roller nip, the fiber strip of output jaw is subject to pining down of front roller nip, be subject to see through rotating disk passage simultaneously, the attraction of air drain air-flow, the guiding of fibre guide piece 8, fiber strip is to gathering to the poly-yarn shaft shoulder or poly-yarn fluted shaft place, gather bunchy at runner 3 with the angle of rotating disk 2 combinations or at the groove place of runner and rotating disk composition, at the tangent line place of runner cylindrical and twizzle line, fiber strip after boundling is subject to runner 3, rotating disk 2 and the only large angle of contact clamping of twist wheel 7, the high wide difference of fiber strip cross section that jaw is only twisted with the fingers in output reduces, fiber strip after stopping twist wheel and the output of runner jaw, under the rotary action of fine spining machine spindle, twisting resultant yarn, it is that the linear velocity that runner 3 gathers yarn surfaces is greater than or equal to front roller 1 linear resonance surface velocity that the transmission control of device requires, make fiber strip under the guiding of rotating disk and air-flow, keep straight and boundling.
Opposite side at the poly-yarn of runner arranges inlet scoop, inhales from the fiber strip after broken end.
Claims (7)
1. a rotating disc type ring spindle yarn negative-pressure air-flow collecting-spinning device, device is by gathering mechanism, transmission mechanism composition, gather mechanism and be arranged on ring throstle front roller nip outlet side, transmission mechanism drives the rotation of gathering mechanism, it is characterized in that the described mechanism that gathers has comprised rotating disk, runner, fibre guide piece, only twist wheel, negative pressure suction tube, described transmission mechanism comprises mandrel, spindle gear, some carrier gears, some travelling gears or some drives, driving belt, runner overlaps in rotating disk card, overlapping, runner external diameter is less than rotating disk external diameter and forms the poly-yarn shaft shoulder or poly-yarn groove, rotating disk and runner are fixedly set in synchronous rotary on mandrel, mandrel is perpendicular to roller shaft, spindle gear is equipped with in one end of mandrel, spindle gear and carrier gear, travelling gear forms train, by front roller transmission or by independently transmission mechanism transmission, front roller is 1: 1～1: 1.15 with the ratio of poly-yarn shaft shoulder linear resonance surface velocity or poly-yarn rooved face linear velocity, the upper surface of rotating disk is plane, disk upper surface has air drain, the passage that penetrates rotating disk is arranged at air drain bottom, negative pressure suction tube is positioned at rotating disk below, on negative pressure suction tube, there is air entry, air entry is upwards pasting rotating disk bottom surface, see through passage and air drain air amount on rotating disk, when yarn adds Z sth. made by twisting, rotating disk turns clockwise, air entry is positioned at runner right side, fibre guide piece magnetic absorption or elastic force are pressed against on rotating disk, do not move with the rotation of rotating disk, fiber strip is played to the effect of guiding, only twist wheel side direction is pressed in the poly-yarn shaft shoulder or poly-yarn groove place, form and only twist with the fingers jaw, only twist with the fingers jaw and be positioned at the point of contact place of twizzle center and the poly-yarn shaft shoulder or poly-yarn fluted shaft footpath line.
2. a kind of rotating disc type ring spindle yarn negative-pressure air-flow collecting-spinning device according to claim 1, the diameter that it is characterized in that runner is 20～45mm, disk diameter is greater than runner diameter 6～16mm, the poly-yarn shaft shoulder or poly-yarn groove are by rotating disk and runner is overlapping constitutes, the plane of rotating disk and the cylinder of runner form the shape of the poly-yarn shaft shoulder or poly-yarn groove, and its form is square or for acute angle shape or be spill.
3. a kind of rotating disc type ring spindle yarn negative-pressure air-flow collecting-spinning device according to claim 1, it is characterized in that rotating disk and runner overlay region are circular, the air entry of rotating disk bottom surface surrounds overlay region forming section, and air entry rises from front roller nip and draws yarn place, eventually as for only twisting with the fingers jaw place.
4. a kind of rotating disc type ring spindle yarn negative-pressure air-flow collecting-spinning device according to claim 1, the one end that it is characterized in that disk upper surface air drain is positioned at rotating disk and runner overlapping region, the path of air drain deflects from the radial direction of rotating disk, keep becoming an intersecting angle with the fiber strip direction of disc surfaces, fiber does not embed in air drain, air drain linearly or curved radial dispersing from inside to outside, air drain wall becomes α angle with disk upper surface, α is 45 °～90 °, and oblique rotating disk outside, air drain bottom ventilation axially bored line becomes β angle with disc surfaces, β is 45 °～90 °, and along the oblique rotating disk of air drain direction outside.
5. a kind of rotating disc type ring spindle yarn negative-pressure air-flow collecting-spinning device according to claim 1, it is characterized in that fibre guide piece is positioned at front roller nip place, rely on magnetic attraction or elastic pressure or self gravitation adhere to or are suspended on disk upper surface, play the guiding function between roller nip and rotating disk to fiber strip.
6. a kind of rotating disc type ring spindle yarn negative-pressure air-flow collecting-spinning device according to claim 1, is characterized in that only twist wheel is cylindrical or dish-shaped, only twist wheel axis be parallel to mandrel axis or with mandrel Axis Cross, the angle of the crossing is 15 °～45 °.
7. a kind of rotating disc type ring spindle yarn negative-pressure air-flow collecting-spinning device according to claim 1, is characterized in that the mandrel of rotating disk and front roller axle cross angle are 90 °, and plane of rotor disc and front roller nip tangent line angle γ are 150 °～180 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420148781.4U CN203768537U (en) | 2013-09-29 | 2014-03-23 | Turnplate-type ring spindle spinning device with function of accumulating by negative pressure air |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310472785.8A CN103510204A (en) | 2013-09-29 | 2013-09-29 | Rotating disk type ring spinning negative pressure airflow gathering spinning method and device |
| CN201310472785.8 | 2013-09-29 | ||
| CN201420148781.4U CN203768537U (en) | 2013-09-29 | 2014-03-23 | Turnplate-type ring spindle spinning device with function of accumulating by negative pressure air |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203768537U true CN203768537U (en) | 2014-08-13 |
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Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310472785.8A Pending CN103510204A (en) | 2013-09-29 | 2013-09-29 | Rotating disk type ring spinning negative pressure airflow gathering spinning method and device |
| CN201420148781.4U Expired - Fee Related CN203768537U (en) | 2013-09-29 | 2014-03-23 | Turnplate-type ring spindle spinning device with function of accumulating by negative pressure air |
| CN201410121329.3A Pending CN103882567A (en) | 2013-09-29 | 2014-03-23 | Rotating disk type ring spun yarn negative-pressure air current gathering spinning method and device |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310472785.8A Pending CN103510204A (en) | 2013-09-29 | 2013-09-29 | Rotating disk type ring spinning negative pressure airflow gathering spinning method and device |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410121329.3A Pending CN103882567A (en) | 2013-09-29 | 2014-03-23 | Rotating disk type ring spun yarn negative-pressure air current gathering spinning method and device |
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| Country | Link |
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| CN (3) | CN103510204A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104746189A (en) * | 2015-03-04 | 2015-07-01 | 武汉纺织大学 | Negative pressure guide capturing type ring spinning method |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107513782A (en) * | 2017-04-05 | 2017-12-26 | 武汉纺织大学 | A kind of suction type disc type integrated composite spinning method and its spinning apparatus |
| CN107419383B (en) * | 2017-04-05 | 2020-01-17 | 武汉纺织大学 | Spinning mechanism for slotted negative pressure type disc type multiple gathering spinning method |
-
2013
- 2013-09-29 CN CN201310472785.8A patent/CN103510204A/en active Pending
-
2014
- 2014-03-23 CN CN201420148781.4U patent/CN203768537U/en not_active Expired - Fee Related
- 2014-03-23 CN CN201410121329.3A patent/CN103882567A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104746189A (en) * | 2015-03-04 | 2015-07-01 | 武汉纺织大学 | Negative pressure guide capturing type ring spinning method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103510204A (en) | 2014-01-15 |
| CN103882567A (en) | 2014-06-25 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140813 Termination date: 20160323 |
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| CF01 | Termination of patent right due to non-payment of annual fee |