CN111155215A - Spinning process and spinning device for feeding three rovings - Google Patents
Spinning process and spinning device for feeding three rovings Download PDFInfo
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- CN111155215A CN111155215A CN202010059775.1A CN202010059775A CN111155215A CN 111155215 A CN111155215 A CN 111155215A CN 202010059775 A CN202010059775 A CN 202010059775A CN 111155215 A CN111155215 A CN 111155215A
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
- D02G3/04—Blended or other yarns or threads containing components made from different materials
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
- D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
- D01H5/22—Drafting machines or arrangements without fallers or like pinned bars in which fibres are controlled by rollers only
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
- D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
- D01H5/70—Constructional features of drafting elements
- D01H5/72—Fibre-condensing guides
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
The invention provides a spinning process and a spinning device for feeding three thick yarns, wherein the process comprises the following steps: (1) feeding three thick yarns into a rear roller in parallel, wherein a three-hole bell mouth is arranged above the rear roller and used for controlling the positions of the three thick yarns; (2) after the three rovings are polymerized, the rovings pass through a middle roller and are output by a front roller; and a single-hole horn mouth is arranged in the middle of the rear roller and the middle roller, and the three thick yarns are polymerized through the single-hole horn mouth. The spinning device is characterized in that a three-hole horn mouth is arranged above the rear roller, and a single-hole horn mouth is arranged in the middle of the rear roller and the middle roller. According to the invention, three rovings are fed into the rear roller in parallel, the three-hole bell mouth is used for accurately controlling the feeding positions of the three rovings, the three rovings can be fed in parallel and separately in a limited way, and the width of the ribbon yarn in the drafting process can be reduced through the single-hole bell mouth polymerization, so that the quality of finished yarn is improved, and the obtained spun yarn has uniform yarn evenness, less hairiness and soft hand feeling.
Description
Technical Field
The invention belongs to the technical field of spinning, and particularly relates to a spinning process and a spinning device for feeding three rough yarns.
Background
Spun yarn is a relatively thin yarn re-spun from roving and used for weaving or spinning. The spinning process is to spin the roving into spun yarn with certain number of figures and meeting the national quality standard for twisting, weaving or knitting and the like, and the spun yarn process mainly completes the following tasks: (1) drafting: uniformly drawing and thinning the fed roving or sliver to the special number required by the spun yarn; (2) twisting: the drafted fiber strands are added with proper twist, so that the finished yarn has certain physical and mechanical properties such as strength, elasticity, luster, hand feeling and the like. (3) Winding and forming: the spun fine yarn is wound on a bobbin according to certain forming requirements so as to be convenient for transportation, storage and subsequent processing. Spun yarn is an important process for spinning and is also the last process in spinning production.
Siro spinning is a spun yarn process realized on a traditional spinning frame, and is a double-yarn spinning twisting method, namely two pieces of roving are respectively drafted into fiber strips and then twisted into yarn. The sirospun yarn has the characteristics of less hairiness, smooth appearance, good wear resistance and soft hand feeling.
CN101476186B discloses a compact spinning method, which comprises feeding three rovings into a three-hole bell mouth simultaneously in parallel, passing through a rear roller, a middle roller, a front roller and a compact spinning device of a spinning frame, forming the three rovings into compact spun yarns under the action of three airflow guide grooves and a grid ring on a special pipe of the compact spinning device, and automatically twisting and doubling the yarns on the special pipe to form a folded yarn. This patent uses a compact spinning device to gather three rovings.
Disclosure of Invention
The invention aims to solve the problems and provides a spinning process and a spinning device for feeding three thick yarns.
In a first aspect, the present invention provides a three roving fed spun yarn process, comprising the steps of:
(1) feeding three thick yarns into a rear roller in parallel, wherein a three-hole bell mouth is arranged above the rear roller and used for controlling the positions of the three thick yarns;
(2) after the three rovings are polymerized, the rovings pass through a middle roller and are output by a front roller; and a single-hole horn mouth is arranged in the middle of the rear roller and the middle roller, and the three thick yarns are polymerized through the single-hole horn mouth.
The invention has the main improvement points that in the drafting process of the rough yarns, the positions of the three rough yarns are accurately controlled through the three-hole bell mouths, and the three rough yarns are combined and gathered through the single-hole bell mouths, so that the width of the banded yarns in the drafting process is reduced, and the quality of the finished yarns is improved.
Further, the three-hole bell mouth comprises a first yarn hole, a second yarn hole and a third yarn hole; different positions of the three thick yarns are controlled by setting different distances among the first yarn hole, the second yarn hole and the third yarn hole.
Further, the output speed of the front roller is 190-330 r/min, and the rear roller, the middle roller and the front roller form a drafting roller.
Preferably, the total draft multiple is 60 to 65 times.
Further, the process also comprises the step of twisting and winding the yarn output by the front roller into spun yarn.
Preferably, the twist of the yarn is 90-100 twists/10 cm, and the twist coefficient is 330-360.
The parameters in the spinning process mainly comprise the output speed of the front roller, the total drafting multiple, the drafting multiple of the rear area, the twist degree, the twist coefficient, the specification of the steel wire ring and the like. By optimizing the output speed, the total draft multiple, the twist and the twist coefficient of the front roller, the obtained spun yarn is uniform in yarn levelness, less in hairiness and soft in hand feeling.
In a second aspect, the invention further provides a spinning device for feeding three thick yarns, the spinning device comprises a drafting mechanism, the drafting mechanism comprises a front roller, a middle roller and a rear roller, three-hole bell mouths are arranged above the rear roller, the vertical distance between the three-hole bell mouths and the upper surface of the rear roller is 2-5 mm, and a single-hole bell mouth is arranged in the middle of the rear roller and the middle roller.
Further, three hole horn mouths include first yarn hole, second yarn hole and third yarn hole, be provided with first baffle between first yarn hole and the second yarn hole, be provided with the second baffle between second yarn hole and the third yarn hole.
Preferably, the first yarn hole, the second yarn hole and the third yarn hole are not in the same straight line.
Preferably, the distance between the first yarn hole and the second yarn hole is different from the distance between the second yarn hole and the third yarn hole.
Preferably, the first yarn hole, the second yarn hole and the third yarn hole are all circular holes.
Preferably, the aperture of each of the first yarn hole, the second yarn hole and the third yarn hole is 0.5-2 mm.
Further, a fixing rod is arranged above the rear roller, and the three-hole bell mouth is fixedly installed on the fixing rod.
Furthermore, the bottom of the single-hole bell mouth is provided with a lead hole.
Preferably, the aperture of the lead hole is 3-6 mm.
Preferably, the caliber of the single-hole bell mouth is 8-15 mm.
Further, the spinning frame further comprises a twisting winding mechanism, and the twisting winding mechanism comprises a support, a spindle, a bobbin, a yarn guide hook, a ring and a traveler.
The yarn guide device is characterized in that a steel collar is fixedly arranged on the support, a steel wire ring is wound on the steel collar, the bottom end of the spindle is fixedly connected to the support, a bobbin is sleeved on the spindle, a yarn guide hook is arranged above the bobbin, and the yarn guide hook is located below the front roller.
When the device is used, the roving is unwound from the roving spindle, passes through the yarn guide rod, passes through the three-hole bell mouth, is fed into the rear roller of the drafting mechanism in parallel, and is gathered and combined through the single-hole bell mouth. The drafted yarn is output from the front roller, passes through the steel wire ring through the yarn guide hook and is wound on a bobbin sleeved on the spindle. When the spindle rotates, the steel wire ring rotates along the steel collar under the action of the tension of the yarn, and the steel wire ring drives the yarn to rotate along the steel collar by one turn to obtain one twist.
In a third aspect, the invention also provides the use of said method or said apparatus for the production of siro yarn. The obtained siro yarn has good yarn evenness, less hairiness, high strength and soft hand feeling.
The invention has the beneficial effects that:
(1) the process of the invention can feed three kinds of rough yarns in parallel into the rear roller, and the three-hole bell mouth is used for accurately controlling the feeding positions of the three kinds of rough yarns, so that the three kinds of rough yarns can be fed in parallel and separately in a limited way, and the width of the ribbon-shaped yarns in the drafting process can be reduced through the polymerization of the single-hole bell mouth, thereby improving the quality of the finished yarns.
(2) The device is provided with the three-hole bell mouth at the position close to the rear roller and used for accurately controlling the feeding positions of the three rough yarns, so that the three rough yarns can be fed in parallel and in a limited manner, and the phenomenon that the threads are unclear after the three components are twisted due to winding or crossing of the yarns after drafting is avoided; and avoid reducing the broken ends or single-component spun yarns caused by the unstable space after the roving of the three components is fed and twisted; and the yarns are twisted under the condition of being relatively tight through the single-hole bell mouth between the middle roller and the front roller, so that the spun yarn has a tight and smooth structure, hairiness is reduced, and strength is improved.
(3) The preparation process is simple and easy to realize, and the produced siro yarn has the advantages of good yarn evenness, less hairiness, high strength and soft hand feeling.
Drawings
FIG. 1 is a schematic view of a spinning apparatus according to the present invention;
FIG. 2 is a schematic structural view of a three-hole bell mouth in the spinning device of the present invention;
in the figure, the position of the upper end of the main shaft,
1. a front roller; 2. a middle roller; 3. a back roller; 4. a three-hole bell mouth; 41. a first yarn hole; 42. a second yarn hole; 43. a third yarn hole; 44. a first separator; 45. a second separator; 5. a single-hole bell mouth; 6. a support; 7. a spindle; 8. a bobbin; 9. a yarn guide hook; 10. a ring; 11. a bead ring; 12. hanging a spindle by using the roving; 13. a yarn guide rod.
Detailed Description
The present application will be described in detail with reference to examples, but the present application is not limited to these examples.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited by the specific embodiments disclosed below.
In addition, in the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly and include, for example, fixed or removable connections or integral parts; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Example 1
The embodiment provides a spun yarn device of three roving, as shown in fig. 1, the spun yarn device includes drafting mechanism, drafting mechanism includes front roller 1, well roller 2 and back roller 3, three hole horn mouths 4 are installed to back roller 3 top, three hole horn mouths 4 are 2 ~ 5mm apart from the perpendicular distance of 3 upper surfaces of back roller, single hole horn mouth 5 is installed to the centre of back roller 3 and well roller 2.
According to the invention, the three-hole bell mouth 4 is arranged at the position close to the rear roller 3 and used for accurately controlling the feeding positions of the three rough yarns, so that the rough yarns of the three components can be fed in parallel and in a limited manner respectively, and the unclear texture of the twisted three components caused by winding or crossing of the yarns after drafting is avoided; and the broken ends or single-component spun yarns caused by the unstable space after the roving of the three components is fed and twisted are avoided. The single-hole bell mouth 5 is arranged between the middle roller 2 and the rear roller 3, and the single-hole bell mouth 5 can contract the width of the ribbon yarn in the drafting process, reduce the loss of fly and side fiber, twist the yarn under the relatively tight condition, make the spun yarn structure tight and smooth, reduce hairiness and improve strength.
In a preferred embodiment of the present invention, as shown in fig. 2, the three-hole bell mouth 4 includes a first yarn hole 41, a second yarn hole 42 and a third yarn hole 43, the first yarn hole 41, the second yarn hole 42 and the third yarn hole 43 are provided at the bottom end of the three-hole bell mouth 4, and the three-hole bell mouth 4 has an arc-shaped inner wall. A first partition plate 44 is arranged between the first yarn hole 41 and the second yarn hole 42, and a second partition plate 45 is arranged between the second yarn hole 42 and the third yarn hole 43. A first partition 44 separates the first yarn hole 41 from the second yarn hole 42 and a second partition 45 separates the second yarn hole 42 from the third yarn hole 43. The first yarn hole 41, the second yarn hole 42 and the third yarn hole 43 are not on the same straight line, and the distance between the first yarn hole 41 and the second yarn hole 42 is different from the distance between the second yarn hole 42 and the third yarn hole 43, so that in the production process of spun yarns, three yarns are parallelly fed into the rear roller 3 in a three-dimensional plane, each roving obtains a uniform twisting effect, yarn hairiness is further reduced, and yarn evenness is improved.
In a preferred embodiment of the present invention, the first yarn hole 41, the second yarn hole 42 and the third yarn hole 43 are all circular holes, and the diameters of the first yarn hole 41, the second yarn hole 42 and the third yarn hole 43 are all 0.5 to 2 mm. The first yarn hole 41, the second yarn hole 42 and the third yarn hole 43 are round holes, so that the roving is guaranteed to have certain degree of freedom when being fed into the rear roller 3. The diameters of the first, second and third yarn holes 41, 42, 43 may vary depending on the raw material of the roving. Different textile raw materials can be respectively selected from the three thick yarns, and the three thick yarns are matched according to the characteristics of different textile raw materials so as to obtain different effects.
In one embodiment of the invention, a fixed rod is arranged above the rear roller 3, and the three-hole bell mouth 4 is fixedly arranged on the fixed rod. The three-hole bell mouth 4 is fixedly arranged, so that feeding is performed at the same accurate position every time, and the stability of the process and the stability of the yarn quality are ensured.
In a specific embodiment of the invention, the spinning frame further comprises a twisting and winding mechanism; the twisting and winding mechanism comprises a support 6, a spindle 7, a bobbin 8, a yarn guide hook 9, a ring 10 and a traveler 11; a steel collar 10 is fixedly arranged on the support 6, a steel wire ring 11 is arranged on the steel collar 10, the bottom end of the spindle 7 is fixedly connected to the support 6, a bobbin 8 is sleeved on the spindle 7, a yarn guide hook 9 is arranged above the bobbin 8, and the yarn guide hook 9 is positioned below the front roller 1 in an inclined mode.
When the device is used, the yarn output by the front roller 1 passes through the yarn guide hook 9, passes through the steel wire ring 11 on the steel collar 10 and is wound on the bobbin 8 tightly sleeved on the spindle 7. When the spindle 7 rotates, the steel wire ring 11 rotates along the steel collar 10 by means of the traction of the yarn tension, and the steel wire ring 11 drives the yarn to rotate along the steel collar 10 for one yarn to obtain one twist.
In a specific embodiment of the invention, the drafting mechanism further comprises a front leather roller, a middle leather roller and a rear leather roller, wherein the front leather roller is connected with the front roller 1, the middle leather roller is connected with the middle roller 2, and the rear leather roller is connected with the rear roller 3. The front roller comprises a front roller shaft, and a front roller sleeve is fixedly connected to the front roller shaft; the middle roller comprises a middle roller shaft, and a middle roller sleeve is fixedly connected to the middle roller shaft; the back roller comprises a back roller shaft, and a back roller sleeve is fixedly connected to the back roller shaft. The front roller 1, the middle roller 2 and the rear roller 3 rotate independently. The front leather roller and the front roller 1, the middle leather roller and the middle roller 2, and the rear leather roller and the rear roller 3 form a drafting roller pair for holding the yarn for drafting.
In a preferred embodiment of the invention, the aperture of the single-hole bell mouth 5 is 8-15 mm, the bottom of the single-hole bell mouth 5 is provided with a lead hole, and the aperture of the lead hole is 3-6 mm. The 5 mouths of the single-hole horn can contract the width of the ribbon yarn in the drafting process, and the phenomena of winding a leather roller and a roller are reduced.
In a specific embodiment of the invention, the spinning frame further comprises a feeding mechanism, wherein the feeding mechanism comprises a roving spindle 12 and a yarn guide rod 13; the yarn guide rod 13 is made of round steel with chrome-plated surface and used for guiding roving to be fed into the three-hole bell mouth 4, so that yarn feeding is balanced to reduce tension, and accidental drafting is prevented. The roving hanging spindles 12 are used for placing roving, the number of the roving hanging spindles 12 is increased on a common roving frame for feeding double yarns, and every three spindles form a group.
When the device is used, three pieces of rough yarn are unwound from a rough yarn hanger 12, pass through a yarn guide rod 13, pass through a three-hole bell mouth 4, are fed into a rear roller 3 of a drafting mechanism in parallel, and are gathered and combined through a single-hole bell mouth 5. The drafted yarn is output from the front roller 1, passes through the steel wire ring 11 through the yarn guide hook 9 and is wound on the bobbin 8 sleeved on the spindle 7.
In a specific embodiment of the present invention, the spinning frame further includes a control mechanism, and the control mechanism may adopt a control mechanism conventional in the art. For example, the control mechanism comprises a PLC controller and at least one spinning machine controller group, each spinning machine controller group comprises a plurality of spinning machine controllers, and each spinning machine controller is used for controlling the operation of a servo motor. The servo motor controls the transmission of the front roller, the middle roller and the rear roller.
The spinning device of the present invention can be used for producing siro yarn, but is not limited to the production of siro yarn, and can also be used for compact spinning, and the present invention describes a method for using the spinning device by taking a production process of siro yarn as an example.
Example 2
A process for producing siro yarn using the spinning device of example 1, the process comprising the steps of:
(1) three rovings (the three rovings can be different in color and raw materials) are unwound from a roving spindle 12, pass through a yarn guide rod 13 and enter a drafting mechanism;
(2) the three thick yarns are fed into a rear roller 3 in parallel, and a three-hole bell mouth 4 is arranged above the rear roller 3 and used for controlling the positions of the three thick yarns; the vertical distance between the three-hole bell mouth 4 and the upper surface of the rear roller 3 is 2-5 mm.
(3) After the three rovings are polymerized, the rovings pass through a middle roller 2 and are output by a front roller 1; a single-hole horn mouth 5 is arranged in the middle of the rear roller 3 and the middle roller 2, and the three thick yarns are polymerized through the single-hole horn mouth 5; the specific parameters are as follows: the total draft multiple is 60-65 times, the draft multiple of the rear zone is 1.1-1.5 times, the speed of the front roller is 190-330 r/min, and the pressure of the roller is 157 Nx127 Nx147N.
(4) After being output from the front roller 1, the yarn passes through a steel wire ring 11 through a yarn guide hook 9 and is wound on a bobbin 8 sleeved on a spindle 7, and the steel wire ring 11 drives the yarn to rotate along a steel collar 10 for one rotation to obtain one twist; wherein the twist is 90 twist/10 cm, the twist coefficient is 330-360, the ring type PG1-3851 and the bead ring type W321-32.
Producing siro yarn 1# -4 # according to the method; the vertical distance from a three-hole bell mouth to the upper surface of the rear roller, the total drafting multiple and the twisting coefficient are respectively changed for comparison, and the siro yarn 5# to 10# is prepared and produced, wherein the specific technological parameters of the siro yarn are shown in Table 1.
TABLE 1
The obtained siro yarn performance indexes of 1# to 10# were tested, and the test results are shown in table 2. As is clear from the results in table 2, if the distance between the triple-hole bell mouth and the back roller is set too small or too large, the yarn levelness of the siro yarns 5# and 6# obtained is not uniform enough, and the amount of hairiness is large. The evenness of the siro yarns 7# and 8# obtained by setting the total draft multiple to be too small or too large is not uniform enough, and the hairiness is more; the siro yarns 9# and 10# obtained by setting the twist coefficient to be too small or too large are not uniform enough in yarn levelness, more in hairiness and lower in strength. Therefore, the proper distance between the three-hole bell mouth and the back roller, the total draft multiple and the twist coefficient are set, so that the obtained siro yarn has better yarn quality.
TABLE 2 resultant yarn Performance of the resultant siro yarn
The above description is only an example of the present application, and the protection scope of the present application is not limited by these specific examples, but is defined by the claims of the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the technical idea and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. A spinning process with three roving feeding is characterized in that: the process comprises the following steps:
(1) feeding three thick yarns into a rear roller in parallel, wherein a three-hole bell mouth is arranged above the rear roller and used for controlling the positions of the three thick yarns;
(2) after the three rovings are polymerized, the rovings pass through a middle roller and are output by a front roller; and a single-hole horn mouth is arranged in the middle of the rear roller and the middle roller, and the three thick yarns are polymerized through the single-hole horn mouth.
2. The three roving fed spun yarn process of claim 1, wherein: the three-hole bell mouth comprises a first yarn hole, a second yarn hole and a third yarn hole; different positions of the three thick yarns are controlled by setting different distances among the first yarn hole, the second yarn hole and the third yarn hole.
3. Three roving-fed spun yarn process according to claim 1 or 2, characterised in that: the output speed of the front roller is 190-330 r/min, and the total draft multiple of the rear roller, the middle roller and the front roller is 60-65 times.
4. Three roving-fed spun yarn process according to claim 1 or 2, characterised in that: the process also comprises the steps of twisting and winding the yarn output by the front roller into spun yarn;
preferably, the twist of the yarn is 90-100 twists/10 cm, and the twist coefficient is 330-360.
5. The utility model provides a spun yarn device of three roving feeding, includes drafting mechanism, its characterized in that: drafting mechanism includes front roller, well roller and back roller, back roller top is equipped with three hole horn mouths, three hole horn mouths are 2 ~ 5mm apart from the vertical distance of back roller upper surface, the centre of back roller and well roller is equipped with the haplopore horn mouth.
6. Three roving-fed spinning device according to claim 5, characterized in that: the three-hole bell mouth comprises a first yarn hole, a second yarn hole and a third yarn hole, a first partition plate is arranged between the first yarn hole and the second yarn hole, and a second partition plate is arranged between the second yarn hole and the third yarn hole;
preferably, the first yarn hole, the second yarn hole and the third yarn hole are not in the same straight line;
preferably, the distance between the first yarn hole and the second yarn hole is different from the distance between the second yarn hole and the third yarn hole;
preferably, the first yarn hole, the second yarn hole and the third yarn hole are all circular holes;
preferably, the aperture of each of the first yarn hole, the second yarn hole and the third yarn hole is 0.5-2 mm.
7. Three roving-fed spinning device according to claim 5 or 6, characterized in that: and a fixed rod is arranged above the rear roller, and the three-hole bell mouth is fixedly arranged on the fixed rod.
8. Three roving-fed spinning device according to claim 5 or 6, characterized in that: the bottom of the single-hole bell mouth is provided with a lead hole;
preferably, the aperture of the lead hole is 3-6 mm;
preferably, the caliber of the single-hole bell mouth is 8-15 mm.
9. Three roving-fed spinning device according to claim 5 or 6, characterized in that: the spinning machine also comprises a twisting and winding mechanism;
the twisting winding mechanism comprises a support, a spindle, a bobbin, a yarn guide hook, a ring and a traveler;
the yarn guide device is characterized in that a steel collar is fixedly arranged on the support, a steel wire ring is wound on the steel collar, the bottom end of the spindle is fixedly connected to the support, a bobbin is sleeved on the spindle, a yarn guide hook is arranged above the bobbin, and the yarn guide hook is located obliquely below the front roller.
10. Use of the process of any one of claims 1 to 4 or the apparatus of any one of claims 5 to 9 for the production of siro yarn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010059775.1A CN111155215A (en) | 2020-01-19 | 2020-01-19 | Spinning process and spinning device for feeding three rovings |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010059775.1A CN111155215A (en) | 2020-01-19 | 2020-01-19 | Spinning process and spinning device for feeding three rovings |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112210857A (en) * | 2020-09-21 | 2021-01-12 | 东华大学 | Core-spun Chinese wildrye yarn and preparation method and preparation device thereof |
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2020
- 2020-01-19 CN CN202010059775.1A patent/CN111155215A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112210857A (en) * | 2020-09-21 | 2021-01-12 | 东华大学 | Core-spun Chinese wildrye yarn and preparation method and preparation device thereof |
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