CN102808260A - Rear notched overfeeding composite spinning device and process - Google Patents
Rear notched overfeeding composite spinning device and process Download PDFInfo
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- CN102808260A CN102808260A CN2012102564457A CN201210256445A CN102808260A CN 102808260 A CN102808260 A CN 102808260A CN 2012102564457 A CN2012102564457 A CN 2012102564457A CN 201210256445 A CN201210256445 A CN 201210256445A CN 102808260 A CN102808260 A CN 102808260A
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Abstract
The invention relates to a rear notched overfeeding composite spinning device, a process and application. A bridging roller, a speed regulating roller, a pair of holding rollers and a tension disc are added above a front roller of a common ring spinning frame; the front upper roller is notched, so that filament bundles or yarns going round the holding roller pair are fed into the notch of the front upper roller to form overfeeding; and short fiber slivers are drafted and drawn down in a drafting zone and then fed into the jaw of the front roller, and the filament bundles or the yarns and the short fiber slivers get out of the front roller and then is gathered and twisted into overfeeding composite yarns. The process is unique and easy to implement, the corresponding device is compact and convenient to install, and the device and the process can be used for wrapping composite spinning of ring spinning frames and various fibers.
Description
Technical field
The present invention relates to the composite spinning device of overfeeding looping in a kind of ring spinning field and adopt the composite spinning technology of this device.
Background technology
Wrap yarn fabric has appearance style preferably, feel and comfortableness, so this kind fabric is comparatively popular on market.Because the pattern effect of wrapped yarn depends on the overfeeding of endless tow or yarn; Traditional wrapped yarn all is a underfeed; Be that endless tow is a tensile force, so on traditional ring spinner, spin the overfeeding method and apparatus that the key technology of this type enveloped composite yarn is endless tow or yarn.
The correlative study of enveloped composite yarn is arranged both at home and abroad, its common method that adopts be with filament yarn through after introducing middle roller or front roller behind the lever jack, before getting into front roller with the staple fibre yarn and close formation composite yarn after twisting.Gather around the wraping spinning technology (number of patent application: introduced 200910035434.4) from the front roller nip rear and fed two threads that intelligent patent is fit to the special high grade yarn of spinning like model; Be arranged in parallel within the both sides of drawing-off yarn; Therewith feed front roller nip; Through twisting into wrapped yarn, this is the composite spinning of underfeed.The patent production method of short staple enveloped composite yarn of Zhao Huan minister and device (number of patent application: 200510044026.7) introduced and the staple fibre yarn of two kinds of raw materials after the drawing-down of draw zone roller draft arranged and for example with in the past roller nip output of a determining deviation; A twisting becomes heart yarn; Another root is the free-fiber state shifting the roller surface, through the effect of friction layer, goes out and heart yarn produces looping at the groove of looping roller; Forming wrapped yarn, also is the composite spinning of underfeed formula.Also just like the short staple enveloped composite spinning device of the patent of Zhao Huanchen (number of patent application: 200520085218.8) install a cover looping device additional, comprise and shift roller, looping roller and chain extension bar, spin wrapped yarn at the ring throstle yarn.Though simple, the processing ease of some mechanism in these devices, the tension force during owing to the filament yarn feeding is higher, can't realize overfeeding.
Summary of the invention
The purpose of this invention is to provide a kind of composite spinning device, make the tension stability of endless tow in the production and better, thereby improve the quality of overfeeding composite yarn the looping effect of staple fibre.Another object of the present invention provides a kind of composite spinning technology that adopts above-mentioned composite spinning device.
In order to achieve the above object; Principle of the present invention is to utilize the front roller of traditional ring throstle to drive through the nip roiler of bridge joint roller and the speed governing of speed governing roller being endless tow or yarn the introducing outside and realizing overfeeding through the front upper roller of fluting, its staple fibre yarn with the output from the front roller front side is converged twist formation bi-component overfeeding composite yarn.Slotting position through changing front upper roller can be realized endless tow or yarn with different angles and staple fibre yarn looping, and the diameter of bridge joint roller and speed governing roller can the complementation variation, and forms the overfeeding composite yarn of different overfeed ratios.
A concrete technical scheme of the present invention has provided a kind of rearmounted fluting overfeeding composite spinning device; It is characterized in that: comprise the bridge joint roller; The bridge joint roller contacts with speed governing roller and the front upper roller that has a notch respectively; Front upper roller is given the speed governing roller through the bridge joint roller with transmission of power, drives nip roiler to rotation by the speed governing roller, behind endless tow or the yarn pile warp tension pulley adjustment tension force; The right direct overfeeding of top roll of pile warp nip roiler is in the notch of front upper roller, and endless tow or yarn go out behind the front roller nip and converge twisting with the staple fibre yarn of walking out of front roller nip and form two component overfeeding composite yarns.
Preferably, the complementation through said bridge joint roller and said speed governing roller diameter changes and regulates the different transmission rotating ratio.
Preferably, coaxial the linking to each other of top roll that said speed governing roller is right with said nip roiler, the diameter of said speed governing roller is less than the right diameter of said nip roiler, to guarantee that the right linear resonance surface velocity of said nip roiler is greater than the front upper roller linear resonance surface velocity.
Another technical scheme of the present invention has provided a kind of composite spinning technology that adopts above-mentioned postposition fluting overfeeding composite spinning device, it is characterized in that step is:
Behind endless tow or the yarn pile warp tension pulley adjustment tension force, the right direct overfeeding of top roll of pile warp nip roiler makes endless tow or yarn avoid gripping by front roller nip in the notch of front upper roller; Staple fibre yarn after the drawing-off of draw zone middle roller feeding front roller nip and endless tow or yarn are exported synchronously simultaneously, and the endless tow of output or yarn and staple fibre yarn converge twisting and form two component overfeeding composite yarns at a certain angle.
Preferably; Said overfeeding is meant the feeding with different overfeed ratios; Can make said endless tow or said yarn said staple fibre yarn implemented looping with different looping amounts; Wherein, overfeed ratio is meant the ratio of the right linear velocity of said nip roiler and the linear resonance surface velocity of said front upper roller, and it is worth greater than 1.0 and smaller or equal to 2.5.
Preferably, said endless tow or said yarn said nip roiler on add around 1-3 circle with increase effect of gripping and tension stability.
Another technical scheme of the present invention has provided a kind of application of above-mentioned postposition fluting overfeeding composite spinning device, it is characterized in that: be used on the ring throstle composite spinning to the overfeeding looping of staple fibre yarn.
Another technical scheme of the present invention has provided a kind of application of above-mentioned composite spinning technology, it is characterized in that: be used on the ring throstle composite spinning to the overfeeding looping of staple fibre yarn.
It is that endless tow or yarn overfeeding are exported in the notch place of front roller that the present invention drives overfeeding mechanism introducing outer shaft through the rotary action that utilizes front roller; And converge with staple fibre yarn and to add the overfeeding enveloped composite yarn that becomes two components behind the twisted from front roller nip output; Realized that really outer shaft is the overfeed ratio of endless tow or yarn and to the looping of staple fibre; Not only can make things convenient for the production of enveloped composite yarn, and make things convenient for install adjustment.
Characteristics of the present invention exist: 1. the present invention is through the overfeeding of simple and effective device realization long filament of a cover or yarn, and simple in structure, controllability is strong.And can effectively control the amount of overfeeding, thereby enrich the style of composite yarn; 2. do not need dismounting fine spining machine roller, convenient adjustment is produced; 3. the variable-length of looping is confirmed with feeding position and overfeed ratio; 4. the regulation and control of looping pitch are controlled with the output angle of endless tow or yarn easily; 5. this looping compound spinning method practicability and effectiveness.
Description of drawings
Fig. 1 is the structural representation of rearmounted fluting overfeeding composite spinning device;
Fig. 2 is the structure side view of rearmounted fluting overfeeding composite spinning device;
Fig. 3 is the structural representation of fluting front upper roller.
Among the figure: 1-bridge joint roller; 2-speed governing roller; The 3-nip roiler is right; The 4-tension pulley; The 5-front upper roller; 6-staple fibre yarn; 7-endless tow or yarn; The 8-front roller nip; The 9-front roller; 10-overfeeding composite yarn; The 11-middle roller; The 12-rear roller.
The specific embodiment
For making the present invention more obviously understandable, now with preferred embodiment, and conjunction with figs. elaborates as follows.Should be understood that these embodiment only to be used to the present invention is described and be not used in the restriction scope of the present invention.Should be understood that in addition those skilled in the art can do various changes or modification to the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Following examples all adopt the postposition fluting overfeeding composite spinning device extremely shown in Figure 3 like Fig. 1, comprise bridge joint roller 1, and bridge joint roller 1 can be transmitted to the rotation of the front upper roller that has notch 5 speed governing roller 2.The diameter of bridge joint roller 1 and speed governing roller 2 can complementaryly change, to regulate the different transmission rotating ratio.Speed governing roller 2 links to each other to 3 top roll is coaxial with nip roiler, can the rotation of bridge joint roller 1 be transmitted to nip roiler to 3, and the diameter of speed governing roller 2 less than nip roiler to 3 diameter, with guarantee nip roiler to 3 linear resonance surface velocity greater than front upper roller 5 linear resonance surface velocities.Behind endless tow or the yarn 7 pile warp tension pulleies 4 adjustment tension force, the pile warp nip roiler to the direct overfeeding of 3 top roll in the notch of front upper roller 5.Endless tow or yarn 7 go out front roller nip 8 backs and converge the two component overfeeding composite yarns 10 of twisting formation with the staple fibre yarn 6 of walking out of front roller nip 8.
The present invention also provides a kind of composite spinning technology that adopts said apparatus, the steps include:
Behind endless tow or the yarn 7 pile warp tension pulleies 4 adjustment tension force, the pile warp nip roiler in the notch of front upper roller 5, makes endless tow or yarn 7 avoid gripping by front roller nip 8 to the direct overfeeding of 3 top roll.Nip roiler makes endless tow or yarn 7 add around the 1-3 circle with increase effect of gripping and tension stability on to 3 at nip roiler when satisfying endless tow or yarn 7 overfeedings to 3.Staple fibre yarn after 11 drawing-offs of draw zone middle roller 6 feeding front roller nips 8 are exported with endless tow or yarn 7 synchronously simultaneously, and the endless tow of output or yarn 7 converge twisting with staple fibre yarn 6 and form two component overfeeding composite yarns 10 at a certain angle.
Overfeeding is meant the feeding with different overfeed ratios; Can make said endless tow or said yarn 7 said staple fibre yarn 6 implemented looping with different looping amounts; Wherein, Overfeed ratio is meant said nip roiler to 3 the linear velocity ratio with the linear resonance surface velocity of said front upper roller 5, and it is worth greater than 1.0 and smaller or equal to 2.5.
Following specific embodiment 1～3rd to different fibers and line density thereof, is promptly selected different long filaments, different rove bar and different composite yarning process parameter, i.e. the tension force of long filament and feeding angle, ingot speed, front roller rotating speed, overfeed ratio.Carry out spinning, and be spun into bi-component overfeeding composite yarn by rearmounted fluting overfeeding compound spinning method of the present invention.
Adopt one-sided filoplume counting method to measure the filoplume of composite yarn, the hairiness index of the bright and clean composite yarn of gained (F) refers in the unit length yarn that extension elongation on the single side face surpasses the filoplume accumulative total of certain preseting length (F=A+Be of root/m)
-Cl, l is the setting extension elongation (mm) of filoplume, A, B, C are test constant; Fracture strength (P) considers that fiber thickness is different, the index of expression fiber opposing outside destroy ability, unit (cN/tex); Elongation at break ε=(L-L
0)/L
0=Δ L/L
0, wherein, L
0Be former length, the specimen length when L is tension failure, Δ L are the absolute elongation value, the size of elongation strain ability when elongation at break is represented the material fracture.
Embodiment 1
Adopt the rearmounted fluting overfeeding compound spinning method that is used for of the present invention, the polyester filament bundle is carried out overfeeding as stated above after, carry out the overfeeding composite spinning with the cotton fiber yarn, form bi-component overfeeding composite yarn, concrete technological parameter is as shown in the table.The bi-component overfeeding composite yarn that is spun into, the hairiness index of its resultant yarn, angle of twist, fracture strength, elongation at break and sliver uneven fineness rate see the following form listed.The row yielding of wherein spinning is very high, the expression flyings, falls fibers such as bits, broken end and loses seldom; The filoplume number also seldom representes that the fineness of resultant yarn is good; End breakage rate is extremely low because of the continuous and protection of long filament during thousand ingots, the good spinnability of expression resultant yarn processing and working (machining) efficiency height.Spinning process does not have tangible fiber to be lost and flyings, and Travellers, plate are clean, so resultant yarn row yielding original text.The pattern effect of overfeeding looping is unique, stable.
Adopt the rearmounted fluting overfeeding compound spinning method that is used for of the present invention, the cotton yarn endless tow is carried out overfeeding as stated above after, carry out the batch (-type) composite spinning with the wool fibre yarn, form bi-component overfeeding composite yarn, concrete technological parameter is as shown in the table.The bi-component overfeeding composite yarn that is spun into, the hairiness index of its resultant yarn, angle of twist, fracture strength, elongation at break and sliver uneven fineness rate see the following form listed.The row yielding of wherein spinning is very high, the expression flyings, falls fibers such as bits, broken end and loses seldom; The filoplume number also seldom representes that the fineness of resultant yarn is good; End breakage rate is extremely low because of the continuous and protection of long filament during thousand ingots, the good spinnability of expression resultant yarn processing and working (machining) efficiency height.Spinning process does not have tangible fiber to be lost and flyings, and Travellers, plate are clean, so resultant yarn row yielding original text.The pattern effect of overfeeding looping is unique, stable.
Adopt the rearmounted fluting overfeeding compound spinning method that is used for of the present invention, the spun silk endless tow is carried out overfeeding as stated above after, carry out the batch (-type) composite spinning with the polyester staple fiber yarn, form bi-component overfeeding composite yarn, concrete technological parameter is as shown in the table.The bi-component overfeeding composite yarn that is spun into, the hairiness index of its resultant yarn, angle of twist, fracture strength, elongation at break and sliver uneven fineness rate see the following form listed.The row yielding of wherein spinning is very high, the expression flyings, falls fibers such as bits, broken end and loses seldom; The filoplume number also seldom representes that the fineness of resultant yarn is good; End breakage rate is extremely low because of the continuous and protection of long filament during thousand ingots, the good spinnability of expression resultant yarn processing and working (machining) efficiency height.Spinning process does not have tangible fiber to be lost and flyings, and Travellers, plate are clean, so resultant yarn row yielding original text.The pattern effect of overfeeding looping is unique, stable.
Spin the postposition fluting overfeeding composite spinning technological parameter and the result of different appearance effect
Claims (8)
1. rearmounted fluting overfeeding composite spinning device; It is characterized in that: comprise bridge joint roller (1); Bridge joint roller (1) contacts with speed governing roller (2) and the front upper roller (5) that has a notch respectively; Front upper roller (5) is given speed governing roller (2) through bridge joint roller (1) with transmission of power, drives nip roiler to (3) rotation by speed governing roller (2), behind endless tow or yarn (7) pile warp tension pulley (4) the adjustment tension force; In the notch of front upper roller (5), endless tow or yarn (7) go out front roller nip (8) back and converge the two component overfeeding composite yarns (10) of twisting formation with the staple fibre yarn (6) of walking out of front roller nip (8) the pile warp nip roiler to the direct overfeeding of the top roll of (3).
2. a kind of rearmounted fluting overfeeding composite spinning device as claimed in claim 1 is characterized in that: the complementation through said bridge joint roller (1) and said speed governing roller (2) diameter changes regulates the different transmission rotating ratio.
3. a kind of rearmounted fluting overfeeding composite spinning device as claimed in claim 1; It is characterized in that: said speed governing roller (2) links to each other to the top roll of (3) is coaxial with said nip roiler; The diameter of said speed governing roller (2) is less than the diameter of said nip roiler to (3), with guarantee said nip roiler to the linear resonance surface velocity of (3) greater than front upper roller (5) linear resonance surface velocity.
4. the composite spinning technology of employing such as right 1 described rearmounted fluting overfeeding composite spinning device is characterized in that step is:
Behind endless tow or yarn (7) pile warp tension pulley (4) the adjustment tension force, the pile warp nip roiler in the notch of front upper roller (5), makes endless tow or yarn (7) avoid gripping by front roller nip (8) to the direct overfeeding of the top roll of (3); Staple fibre yarn (6) after draw zone middle roller (11) drawing-off feeding front roller nip (8) is exported with endless tow or yarn (7) synchronously simultaneously, and the endless tow of output or yarn (7) converge twisting with staple fibre yarn (6) and form pair component overfeeding composite yarns (10) at a certain angle.
5. a kind of composite spinning technology as claimed in claim 4; It is characterized in that: said overfeeding is meant the feeding with different overfeed ratios; Can make said endless tow or said yarn (7) said staple fibre yarn (6) implemented looping with different looping amounts; Wherein, overfeed ratio is meant the ratio of said nip roiler to the linear resonance surface velocity of the linear velocity of (3) and said front upper roller (5), and it is worth greater than 1.0 and smaller or equal to 2.5.
6. a kind of composite spinning technology as claimed in claim 4 is characterized in that: said endless tow or said yarn (7) add on to (3) around the 1-3 circle with increase effect of gripping and tension stability at said nip roiler.
7. the application of a rearmounted fluting overfeeding composite spinning device as claimed in claim 1 is characterized in that: be used on the ring throstle composite spinning to the overfeeding looping of staple fibre yarn.
8. the application of a composite spinning technology as claimed in claim 4 is characterized in that: be used on the ring throstle composite spinning to the overfeeding looping of staple fibre yarn.
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| CN201210256445.7A CN102808260B (en) | 2012-07-22 | 2012-07-22 | Rear notched overfeeding composite spinning device, process and application |
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| CN201210256445.7A CN102808260B (en) | 2012-07-22 | 2012-07-22 | Rear notched overfeeding composite spinning device, process and application |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107400947A (en) * | 2017-07-04 | 2017-11-28 | 东华大学 | The negative poisson's ratio yarn and its composite spinning device of a kind of RING SPINNING, method and purposes |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016030462A2 (en) * | 2014-08-28 | 2016-03-03 | Amsler Tex Ag | Device for producing cladded yarn |
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| CN102808260B (en) | 2014-08-13 |
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