CN102808260B - Rear notched overfeeding composite spinning device, process and application - Google Patents
Rear notched overfeeding composite spinning device, process and application Download PDFInfo
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- CN102808260B CN102808260B CN201210256445.7A CN201210256445A CN102808260B CN 102808260 B CN102808260 B CN 102808260B CN 201210256445 A CN201210256445 A CN 201210256445A CN 102808260 B CN102808260 B CN 102808260B
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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 technique of this device.
Background technology
Wrap yarn fabric has good appearance style, feel and comfortableness, and therefore 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 is all underfeed, be that endless tow is tensile force, therefore spin the key technology of this class enveloped composite yarn and be the overfeeding method and apparatus of endless tow or yarn on traditional ring spinner.
Have the correlative study of enveloped composite yarn both at home and abroad, its common adopted method is that filament yarn is introduced after middle roller or front roller after by lever jack, entering before front roller with staple fibre yarn and closing, after twisting, forms composite yarn.As model is gathered around the wraping spinning technology (number of patent application: introduced 200910035434.4) from front roller nip rear and fed two threads that intelligent patent is applicable to the special high grade yarn of spinning, be arranged in parallel within the both sides of drawing-off yarn, therewith feed front roller nip, be twisted wrapped yarn through adding, this composite spinning that is underfeed.The and for example patent production method of short staple enveloped composite yarn of Zhao Huan minister and device (number of patent application: 200510044026.7) introduced and had the staple fibre yarn of two kinds of raw materials after the roller draft drawing-down of draw zone with determining deviation roller nip output in the past, a twisting becomes heart yarn, another root is free-fiber state on transfer roller surface, through the effect of friction layer, go out with heart yarn to produce looping at the groove of looping roller, forming wrapped yarn, is also the composite spinning of underfeed formula.Also just like the patent short fiber wrapped composite spinning apparatus of Zhao Huanchen (number of patent application: 200520085218.8) install a set of looping device additional at ring throstle yarn, comprise and shift roller, looping roller and chain extension bar, spin wrapped yarn.Although simple, the processing ease of some mechanism in these devices, the tension force while feeding due to filament yarn is higher, cannot realize overfeeding.
Summary of the invention
The object of this invention is to provide a kind of composite spinning device, the tension stability of endless tow and better to the looping effect of staple fibre in making to produce, thus improve the quality of overfeeding composite yarn.Another object of the present invention is to provide a kind of composite spinning technique 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 introducing outside and realizing overfeeding through the front upper roller of fluting, makes it and converges twisting formation bi-component overfeeding composite yarn from the staple fibre yarn of front roller front side output.Can realize endless tow or yarn with different angles and staple fibre yarn looping by changing the slotting position of front upper roller, and the diameter of bridge joint roller and speed governing roller can complementary variation, and form the overfeeding composite yarn of different overfeed ratios.
A concrete technical scheme of the present invention has been to provide a kind of rearmounted fluting overfeeding composite spinning device, it is characterized in that: comprise bridge joint roller, bridge joint roller contacts with speed governing roller and the front upper roller that has a notch respectively, front upper roller passes to speed governing roller by bridge joint roller by power, drive nip roiler to rotation by speed governing roller, endless tow or yarn pile warp tension pulley are adjusted after tension force, the right direct overfeeding of top roll of pile warp nip roiler is in the notch of front upper roller, endless tow or yarn converge the two component overfeeding composite yarns of twisting formation with the same staple fibre yarn of walking out of front roller nip after going out front roller nip.
Preferably, change to regulate different transmission rotating ratios by the complementation of described bridge joint roller and described speed governing roller diameter.
Preferably, the described speed governing roller top roll right with described nip roiler is coaxially connected, and the diameter of described speed governing roller is less than the right diameter of described nip roiler, and to ensure described nip roiler, right linear resonance surface velocity is greater than front upper roller linear resonance surface velocity.
Another technical scheme of the present invention has been to provide a kind of composite spinning technique that adopts above-mentioned postposition fluting overfeeding composite spinning device, it is characterized in that, step is:
Endless tow or yarn pile warp tension pulley are adjusted after tension force, and the right direct overfeeding of top roll of pile warp nip roiler, in the notch of front upper roller, avoids by the gripping of front roller nip endless tow or yarn; The front roller nip of staple fibre yarn after the middle roller drawing-off of draw zone feeding is simultaneously synchronizeed and is exported with endless tow or yarn, 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, described overfeeding refers to the feeding with different overfeed ratios, can make described endless tow or described yarn, with different looping amounts, described staple fibre yarn be implemented to looping, wherein, overfeed ratio refers to the ratio of the right linear velocity of described nip roiler and the linear resonance surface velocity of described front upper roller, and its value is greater than 1.0 and be less than or equal to 2.5.
Preferably, described endless tow or described yarn described nip roiler on add around 1-3 and enclose to increase gripping effect and tension stability.
Another technical scheme of the present invention has been to provide a kind of application of above-mentioned postposition fluting overfeeding composite spinning device, it is characterized in that: the composite spinning that is used in the overfeeding looping to staple fibre yarn on ring throstle.
Another technical scheme of the present invention has been to provide a kind of application of above-mentioned composite spinning technique, it is characterized in that: the composite spinning that is used in the overfeeding looping to staple fibre yarn on ring throstle.
The present invention is that endless tow or yarn overfeeding are exported in the notch place of front roller by utilizing the rotary action of front roller to drive overfeeding mechanism to introduce outer shaft, and with together with the staple fibre yarn of front roller nip output, converge the overfeeding enveloped composite yarn that becomes two components adding twisted, really having realized outer shaft is the overfeed ratio of endless tow or yarn and the looping to staple fibre, not only can facilitate the production of enveloped composite yarn, and convenient installation regulates.
Feature of the present invention exists: 1. the present invention realizes the overfeeding of long filament or yarn by a set of simple and effective device, 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 produced; 3. the variable-length of looping, determines with feeding position and overfeed ratio; 4. the regulation and control of looping pitch easily, are controlled with the output angle of endless tow or yarn; 5. this looping compound spinning method practicability and effectiveness.
Brief description of the 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.
In figure: 1-bridge joint roller; 2-speed governing roller; 3-nip roiler pair; 4-tension pulley; 5-front upper roller; 6-staple fibre yarn; 7-endless tow or yarn; 8-front roller nip; 9-front roller; 10-overfeeding composite yarn; 11-middle roller; 12-rear roller.
Detailed description of the invention
For the present invention is become apparent, hereby with preferred embodiment, and coordinate accompanying drawing to be described in detail below.Should be understood that these embodiment are only not used in and limit the scope of the invention for the present invention is described.In addition should be understood that those skilled in the art can make various changes or modifications the present invention after having read the content of the present invention's instruction, these equivalent form of values fall within the application's appended claims limited range equally.
Following examples all adopt postposition fluting overfeeding composite spinning device as shown in Figure 1 to Figure 3, comprise bridge joint roller 1, and bridge joint roller 1 can be transmitted to speed governing roller 2 by the rotation of the front upper roller 5 that has notch.The diameter of bridge joint roller 1 and speed governing roller 2 can complementaryly change, to regulate different transmission rotating ratios.Speed governing roller 2 is coaxially connected to 3 top roll with nip roiler, the rotation of bridge joint roller 1 can be transmitted to nip roiler to 3, and the diameter of speed governing roller 2 is less than nip roiler to 3 diameter, to ensure that nip roiler is greater than front upper roller 5 linear resonance surface velocities to 3 linear resonance surface velocity.Endless tow or yarn 7 pile warp tension pulleies 4 are adjusted after tension force, pile warp nip roiler to 3 the direct overfeeding of top roll in the notch of front upper roller 5.Endless tow or yarn 7 converge the two component overfeeding composite yarns 10 of twisting formation with the same staple fibre yarn 6 of walking out of front roller nip 8 after going out front roller nip 8.
The present invention also provides a kind of composite spinning technique that adopts said apparatus, the steps include:
Endless tow or yarn 7 pile warp tension pulleies 4 are adjusted after tension force, and pile warp nip roiler in the notch of front upper roller 5, avoids by the gripping of front roller nip 8 endless tow or yarn 7 to 3 the direct overfeeding of top roll.Nip roiler makes endless tow or yarn 7 add around 1-3 on to 3 and enclose to increase gripping effect and tension stability at nip roiler in meeting endless tow or yarn 7 overfeedings to 3.Simultaneously the staple fibre yarn 6 after 11 drawing-offs of draw zone middle roller feeds front roller nip 8 and synchronizes output with endless tow or yarn 7, and the endless tow of output or yarn 7 converge twisting formation pair component overfeeding composite yarns 10 with staple fibre yarn 6 at a certain angle.
Overfeeding refers to the feeding with different overfeed ratios, can make described endless tow or described yarn 7, with different looping amounts, described staple fibre yarn 6 be implemented to looping, wherein, overfeed ratio refer to described nip roiler to 3 linear velocity the ratio with the linear resonance surface velocity of described front upper roller 5, its value is greater than 1.0 and be less than or equal to 2.5.
Following specific embodiment 1 ~ 3rd, to different fibers and line density thereof, selects 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 by the spinning of rearmounted fluting overfeeding compound spinning method of the present invention, and be spun into bi-component overfeeding composite yarn.
Adopt one-sided filoplume counting method to measure the filoplume of composite yarn, the hairiness index (F) of the bright and clean composite yarn of gained, refers in unit length yarn that extension elongation in single side face exceedes the filoplume accumulative total (root/m) F=A+Be of certain preseting length
-
cl?
,
lfor the setting extension elongation (mm) of filoplume, A, B, C are test constant; Fracture strength (P), considers fiber thickness difference, represents the index of fiber opposing outside destroy ability, unit (cN/tex); Elongation at break
=(
l -
l 0 )/
l 0 =
△ L/
l 0 , wherein,
l 0 for former length,
l specimen length during for tension failure,
△ L for absolute elongation value, the size of elongation strain ability when elongation at break represents Materials Fracture.
Embodiment 1
Adopt and of the present inventionly for postposition fluting overfeeding compound spinning method, polyester filament bundle is carried out, after overfeeding, carrying out overfeeding composite spinning with cotton fiber yarn as stated above, form bi-component overfeeding composite yarn, concrete technology parameter is as shown in the table.The bi-component overfeeding composite yarn being spun into, hairiness index, angle of twist, fracture strength, elongation at break and the sliver fineness irregularity of its resultant yarn see the following form listed.The row yielding of wherein spinning is very high, represents flyings, falls the fiber loss such as bits, broken end seldom; Filoplume number is also little, represents that the fineness of resultant yarn is good; When thousand ingots, end breakage rate is extremely low because of the continuous and protection of long filament, represents that good spinnability and the working (machining) efficiency of resultant yarn processing is high.Spinning process is lost and flyings without obvious fiber, and Travellers, plate are clean, therefore resultant yarn row yielding original text.The pattern effect uniqueness of overfeeding looping, stable.
Embodiment 2
Adopt and of the present inventionly for postposition fluting overfeeding compound spinning method, cotton yarn endless tow is carried out, after overfeeding, carrying out batch (-type) composite spinning with wool fibre yarn as stated above, form bi-component overfeeding composite yarn, concrete technology parameter is as shown in the table.The bi-component overfeeding composite yarn being spun into, hairiness index, angle of twist, fracture strength, elongation at break and the sliver fineness irregularity of its resultant yarn see the following form listed.The row yielding of wherein spinning is very high, represents flyings, falls the fiber loss such as bits, broken end seldom; Filoplume number is also little, represents that the fineness of resultant yarn is good; When thousand ingots, end breakage rate is extremely low because of the continuous and protection of long filament, represents that good spinnability and the working (machining) efficiency of resultant yarn processing is high.Spinning process is lost and flyings without obvious fiber, and Travellers, plate are clean, therefore resultant yarn row yielding original text.The pattern effect uniqueness of overfeeding looping, stable.
Embodiment 3
Adopt and of the present inventionly for postposition fluting overfeeding compound spinning method, spun silk endless tow is carried out, after overfeeding, carrying out batch (-type) composite spinning with polyester staple fiber yarn as stated above, form bi-component overfeeding composite yarn, concrete technology parameter is as shown in the table.The bi-component overfeeding composite yarn being spun into, hairiness index, angle of twist, fracture strength, elongation at break and the sliver fineness irregularity of its resultant yarn see the following form listed.The row yielding of wherein spinning is very high, represents flyings, falls the fiber loss such as bits, broken end seldom; Filoplume number is also little, represents that the fineness of resultant yarn is good; When thousand ingots, end breakage rate is extremely low because of the continuous and protection of long filament, represents that good spinnability and the working (machining) efficiency of resultant yarn processing is high.Spinning process is lost and flyings without obvious fiber, and Travellers, plate are clean, therefore resultant yarn row yielding original text.The pattern effect uniqueness of overfeeding looping, stable.
Spin postposition fluting overfeeding composite spinning technological parameter and the result of different appearance effect
Claims (8)
1. a 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) passes to speed governing roller (2) by bridge joint roller (1) by power, drive nip roiler to rotate (3) by speed governing roller (2), endless tow or yarn (7) pile warp tension pulley (4) is adjusted after tension force, pile warp nip roiler to the direct overfeeding of the top roll of (3) in the notch of front upper roller (5), endless tow or yarn (7) converge the two component overfeeding composite yarns (10) of twisting formation with the staple fibre yarn (6) that goes out front roller nip (8) after going out front roller nip (8).
2. a kind of rearmounted fluting overfeeding composite spinning device as claimed in claim 1, is characterized in that: the complementation by described bridge joint roller (1) and described speed governing roller (2) diameter changes to regulate different transmission rotating ratios.
3. a kind of rearmounted fluting overfeeding composite spinning device as claimed in claim 1, it is characterized in that: described speed governing roller (2) is coaxially connected to the top roll of (3) with described nip roiler, the diameter of described speed governing roller (2) is less than the diameter of described nip roiler to (3), to ensure that described nip roiler is greater than front upper roller (5) linear resonance surface velocity to the linear resonance surface velocity of (3).
4. a composite spinning technique for the postposition fluting overfeeding composite spinning device of employing as described in right 1, is characterized in that, step is:
Endless tow or yarn (7) pile warp tension pulley (4) is adjusted after tension force, and pile warp nip roiler in the notch of front upper roller (5), avoids by the gripping of front roller nip (8) endless tow or yarn (7) to the direct overfeeding of the top roll of (3); Output after staple fibre yarn (6) after draw zone middle roller (11) drawing-off feeding front roller nip (8) simultaneously, 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.
5. a kind of composite spinning technique as claimed in claim 4, it is characterized in that: described overfeeding refers to the feeding with different overfeed ratios, can make described endless tow or described yarn (7), with different looping amounts, described staple fibre yarn (6) be implemented to looping, wherein, overfeed ratio refers to the ratio of the linear resonance surface velocity of the linear velocity of described nip roiler to (3) and described front upper roller (5), and its value is greater than 1.0 and be less than or equal to 2.5.
6. a kind of composite spinning technique as claimed in claim 4, is characterized in that: described endless tow or described yarn (7) add around 1-3 on to (3) and enclose to increase gripping effect and tension stability at described nip roiler.
7. an application for rearmounted fluting overfeeding composite spinning device as claimed in claim 1, is characterized in that: the composite spinning that is used in the overfeeding looping to staple fibre yarn on ring throstle.
8. an application for composite spinning technique as claimed in claim 4, is characterized in that: the composite spinning that is used in the overfeeding looping to staple fibre yarn on ring throstle.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210256445.7A CN102808260B (en) | 2012-07-22 | 2012-07-22 | Rear notched overfeeding composite spinning device, process and application |
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| Application Number | Priority Date | Filing Date | Title |
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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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| CN102808260A CN102808260A (en) | 2012-12-05 |
| CN102808260B true CN102808260B (en) | 2014-08-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3186419A2 (en) * | 2014-08-28 | 2017-07-05 | Amsler Tex AG | Device for producing cladded yarn |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107400947B (en) * | 2017-07-04 | 2020-07-31 | 东华大学 | Negative Poisson ratio yarn for ring spinning and composite spinning device, method and application thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| EP3186419A2 (en) * | 2014-08-28 | 2017-07-05 | Amsler Tex AG | Device for producing cladded yarn |
| EP3186419B1 (en) * | 2014-08-28 | 2022-08-24 | Amsler S.R.L. | Device for producing cladded yarn |
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