JPS5876526A - Preparing apparatus of bound spun yarn - Google Patents

Abstract

PURPOSE:To obtain bound spun yarns with a slight unevenness in fineness and fine count, by means of a drafting part provided between a collecting rotor and a flase twisting nozzle and further drawing out rollers after the false twisting nozzle. CONSTITUTION:A sliver (S) is opened by a fiber opening member 11, and opened fibers are fed from a path 19 to an opened fiber feeding member 33 and then fed to the inner wall surface of a fiber collecting rotor 27. Preferably, the opened fiber feeding member 33 and the fiber collecting rotor 27 are rotated in the opposite directions to make the distribution of the fed fibers uniform. A fibrous bundle collected in the fiber collecting rotor 27 and delivered therefrom is drafted between front rollers 43 and back rollers 41 to give a fibrous bundle of small fineness, which is then passed through a false twisting nozzle 45 and drawing out rollers 47. Preferably, the peripheral speed of the drawing out rollers 47 is set at a lower speed than the front rollers 43 to overfeed the fibrous bundle to the false twisting nozzle 45, and the fibrous bundle is fully bound.

Description

[Detailed description of the invention] The present invention relates to an apparatus for producing bundled spun yarn.

It is known to produce a bound spun yarn by drafting a fiber bundle using a rod dot device with an eprene and heating it using a false twisting nozzle to bind the surface fibers on the surface of the fiber bundle. However, in the equipment that uses this method, the nib ay or the rubber roller of the draft roller wears out due to high-speed rotation.In addition, when using the bundle spinning method, the yarn is heated by the false twisting nozzle. At the ninth stage, this 1B comes into contact with the apron or rubber roller 2 mentioned above in a conical shape, which accelerates abrasion of the apron and rubber roller. A large number of draft rollers pull the fiber bundle into five
In the case of 7 trollers, there is a problem that the fiber #1 is wrapped around the drag roller 7 and smooth operation cannot be performed.

In order to solve the various problems associated with the production of bound spun yarn using the above-mentioned drafting device, Japanese Patent Laid-Open No. 5
No. 2-37837 discloses a delicate opening member, a opening delicate supplying member, a shaft #il! Instead, a device for producing bundled spun yarn has been proposed, which includes a rotatably supported fiberglass rotor and a false twist nozzle for binding heated yarn pulled out from the textile rotor. That is, the spinning method described in JP-A-52-37837 is basically the conventionally known air spinning, that is, open-end spinning, and the spinning method described in JP-A-52-37837 is basically air spinning, that is, open-end spinning, and the finished spun yarn obtained by open-end spinning is It is heated with a false twisting nozzle and bundled around it.

However, since the spun yarn pulled out from the thin rower is passed through the false twisting nozzle as it is, the yarn tension at the false twisting nozzle part can be adjusted independently from the yarn tension in the fine twister. It is difficult to set the optimum value for spinning. Therefore, it is not possible to obtain a bound spun yarn that is uniformly and sufficiently bound. Also, special N Showa 51! - In the device described in Bulletin No. 37837, the rotating length of 1 m from the fixedly installed fiber supply member
! By supplying pongee to the inner surface of the fine focusing rotor and drawing it out 1F while gripping the fibers in a layer between the inner surfaces of the rotor, f) v-
However, the fineness is given to the thread by rotor rotation.

When feeding fibers to the inner surface of the fine-weave focusing rotor from a fiber supplying member that is fixed like a string, the doubling effect will not be fully exerted unless the 0-7 rotation speed is high enough. As a result, uneven fineness of the spun yarn will occur. Furthermore, in the apparatus described in Japanese Patent Application Laid-Open No. 52-37837, yarns completed by open-end spinning are heated and bundled by a false twisting nozzle as described above.

Similar to open-end spinning, there is a problem in that it is not suitable for producing fine-count yarn.

SUMMARY OF THE INVENTION An object of the present invention is to provide an apparatus capable of obtaining a bound spun yarn that has small unevenness in fineness and is uniformly and sufficiently bound. Another object of the present invention is to provide an am capable of obtaining fine-count bound spun yarn.

In the present invention, the R delicate supply body is rotatably supported in the opposite direction to the fine focusing rotor, and the heated yarn is drawn out in a state where it can be further drafted without being completely drafted from the fiber rotor. In addition, a front roller and a batter roller are provided between the focusing rotor and the false twisting nozzle, and the heating yarn can be drafted from the fine focusing rotor between the mosquito front row 2 and the backrow 2 to make the heating yarn sufficiently thin. . Furthermore, a 2t drawer row is installed downstream of the false twist nozzle.

A yarn tension state suitable for heating by a false twisting nozzle is achieved between the front roller and the pull-out roller. This achieves the above-mentioned objective.

In point 4-2 of the present invention, it is preferable that the circumferential speed thereof is higher than the chest speed of the pull-out row 2. This will cause the yarn to be in an overfeed state between the front μm grip and the pull-out roller. By applying swirling flow from the false twisting nozzle to the yarn in such an overfeed state, it becomes possible to sufficiently bind the yarn. The present invention will be described in detail below with reference to the accompanying drawings. 51
In Figure 1, this delicate opening member 11 is shown.

It has a main body 13 and a pair of feed p-feeders 215 rotatably provided at the left end of the body 1s.

Furthermore, it is formed within the main body 13. 2! A rotary groove 17 is rotatably provided in the cave.
If the circumference ff1K is leaking, for example, a metallic wire, use the feeder 9 included in the 4-ra 15 to carefully open the wire.
A passage 19 is bored in the main body 13 for transporting the fine fibers opened by the courgette 17. Spread the fibers using the feeding rod 215 and the fiber opening using the feeding gear 215, and then spread the fibers to 1 m as described below. The housing 21 has a substantially airtight structure and is supplied to the fiber bundle theta through the thin supply member. - The housing has openings 21m and 21b in the upper and lower walls, respectively, and communicates with a suction means (not shown) through a communication hole 21ct. Bearings 23.25 are installed in the openings 21m and 21b.
The delicate IN bundle rotor 27 is rotatably supported through the . The fiber focusing rotor 27 has an approximately abacus bead shape, and its exit portion has a tapered shape. A large number of exhaust holes 27 are bored in l1li near the exit portion, and the inside of the fiber focusing rotor 27 and the inside of the housing 21 are communicated with each other.

A bell) 29t is secured to the peripheral surface of the fine focusing rotor 2γ protruding from the housing 21, and the fiber focusing rotor 27 is driven to rotate.

*Wei Roro! A spread fiber supply member 33 is rotatably supported inside 27 via a bearing 31.

The supply member 33 has a cylindrical base and a 111 conical tip, and the rotation axis # of the pressure supply member 330 is located coaxially with the rotation axis of the fiber focusing rotor 27. Spreading fiber supply member 330g facing the passage 19 of the fiber spreading member
A conical recess 33m is bored from lAwti. lI
! l! from the bottom of the recess 33a by the fiber supply outlet 33b. The water supply member 330 is communicated with the conical wall surface. Matsugi,
The belt 35 is engaged with the circumferential surface of the delicate supply member 33 (the running direction of the belt 350 is opposite to the running direction of the belt 290), therefore, the IIR fiber supply section #33 is in the opposite direction to the textile east rotor 27. In the above explanation, the delicate supply member 33 is attached to the inner wall surface of the 11R pongee focusing rotor 27 and supported by the companion bearing 31, but the bearing 31 is attached to the fixed member of the housing 21@. The shape of the delicate feeding member 33 may not be conical but may be cylindrical.

Therefore, the supply outlet 33bFi may not be opened in the conical wall surface but may be opened in the columnar shape am.

A back roller 41 consisting of a pair of rollers is rotatably provided outside the exit portion of the fiber focusing rotor 27.

Furthermore, a front row 943 consisting of a pair of four-pieces is rotatably provided. Here, the circumferential speed of the front row 243 is made p larger than the circumferential speed of the pack El-141, and the back roller 4
1 and the front roller 43 so that a draft of an appropriate magnification is applied to the yarn. Furthermore, front row 24
A pull-out roller 47 consisting of a pair of rollers is rotatably provided downstream of the roller 3. Here, the circumferential speed of the 7-on trolley I) 43 is set to be p greater than the circumferential speed of the pull-out roller 47, so that overfeed between the front roller 43 and the pull-out roller 47 is 0 to 10%.

Between the front row 243 and the drawer row 247, a 9-fold false twist nozzle 45 of a known type is provided adjacent to the 7o roller 43. A traverse guide 49 that swings the thread T from side to side downstream of the bowed pull-out roller 47. Bobbin 5
1 or 7 for frictionally driving the yarn layer wound on the bobbin 51
A comb roller 5-3 is provided to form a thread package 55tP on the bobbin 51.

The swiper S fed into the housing by the feeding roller 15 of the fiber opening delicate member 11 is opened into individual fibers by the coz no roller 17, and then passed through the passage 19 into the recess of the opened fiber pongee supply member 33. Due to the centrifugal force caused by the rotation of the 0-spread III embroidery supply member 330 supplied to the fibers 53B&, the fibers are opened and delicately released from the supply outlet of the armpit supply member 33 obliquely to the axis of the fiber focusing rotor 27, and the released fibers are focused. Due to the exhaust from the exhaust hole bored in the vicinity of the outlet of the rotor 27 and the centrifugal force of the focusing rotor 27, the particles are held in a layered manner on the inner wall surface of the focusing rotor 27. Next, the pressure line m is held in one layer and the pressure line m is a focusing quadrature 2γ.
It was pulled out while being held by Umiman's Bakuclaw 241,
At this time, the fibers are heated by the rotation of the fiber focusing rotor 27.

Here, since the spread fiber supply member 33 and the fine focusing rotor 27 are rotating in opposite directions, the spread fiber supply member #
33 supply outlet 33b is the fiber focusing rotor 27DFEJ1
Rotates at high relative speed to one surface.

As a result, the opened fibers supplied from the supply outlet 33b are uniformly distributed over the inner 111 surfaces of the delicate speed collecting rotor 27, and some unevenness may occur in the opened fibers supplied from the supply outlet 33b. The back roller 4 is in a substantially uniform state even when
Note that the lIR fiber focusing rotor 27 of the present invention can be used with the spinning rotor of a conventional open-end spinning machine or the above-mentioned 41!
! sI like the rotating delicate focusing body described in 1983-37837! The yarn is not completely spun from the fiber layer, but is employed as a single stroke of a thin draft device. ◇ However, as described above, the opening fiber supplying member 33 is configured to be rotatable in the opposite direction to the fiber convergence rotor 27. Even during such low speed rotation, 111 degree unevenness does not occur in the spun yarn.

The unheated yarn pulled out from the fiber convergence row 41 by the pack roller 41 is then drafted at a predetermined magnification between the pack 4-241 and the front row 243, and its total thickness is greatly reduced. The thread that is quite thin leaves the roller 43 and goes to the pull-out roller 47.

As mentioned above, the speed of the roller 41 is greater than the circumferential speed of the pull-out roller 43, and during this time the yarn is overfed and its tension is kept sufficiently low.

I! Then, the yarn is sufficiently thickened by the swirling flow of the false twisting nozzle 45, and a bound spun yarn is obtained.◎On the other hand, in the jiI section of the bulletin of the publication No. 52-37837, There is no pull-out row J) between the rotating Ritto body and the temporary combustion nozzle, and the thread tension cannot be kept sufficiently low, so sufficient addition 1a cannot be performed.

The 7fl yarn from the drawer Cl-947 is swung by the trapper guide 49 and wound onto the bobbin 51 which is driven by the 7 strand winding roller 53 as a yarn parts cage 55.

Another example of Akira Motoba's pongee will be explained with reference to FIG. In the embodiment shown in FIG. 1g2, the fine focusing sweater 27 has a truncated conical shape, the yarn path downstream of the seventh tong point p-543 is inclined, and accordingly, this pack roller 43
A 7-axis traverse roller 244 is placed close to the lower roller with a very small cage (0.1 to 0.5-), and a grooved traverse roller 244 is installed in place of the 7-axis roller. ”−
The difference from the embodiment shown in FIG. 1 is that 130t is used and the trapper guide is omitted. Note that the same parts are given the same numbers and their explanations will be omitted.

According to the invention, a real twist is added to the two yarns pulled out from the fiber convergence rotor 27, and the yarns are further bundled using a false twisting nozzle, so that a bundled yarn with a real twist can be obtained. Moreover, prior to heating by the false twisting nozzle 45, the pack roller 41 and 7o
Since the yarn is drafted at a predetermined magnification between the yarn and the controller 43, a sufficiently thin bundled spun yarn can be obtained. It is also possible to overfeed the yarn between the front row 243 and the pull-out roller 47. This results in a uniform binding in the rounding which heats the yarn at the desired low tension state. Further, since the spread fiber supply member 33 is rotated in the opposite direction to the fiber concentrating rotor 27, the fiber layer can be uniformly distributed on the inner wall surface of the fiber concentrating rotor 27, and as described above, the fiber layer can be uniformly distributed on the inner wall surface of the fiber concentrating rotor 27. Even when the yarn is drafted between the yarn controller 43 and the roller 43, a yarn of uniform thickness can be obtained. In addition, compared to conventional apron-equipped rotot machines, there is no apron that easily wears out, allowing high-speed spinning, and there is no need to replace worn parts*, making machine maintenance easier.

[Brief explanation of drawings]

#1! Figures 2 and 2 are schematic cross-sectional front views of different embodiments of the present invention. 15...Passion East Send Low 9.17...Koken Glow-9.21...Housing. 27...llII collection of Tororo. 33...
Opening fiber supply member, 41... pack row 5.43...
・Front roller. 45...False twist nozzle. 47...
Drawer 2. Patent Applicant Toyota Industries Corporation Patent Application Representative Patent Attorneys Akira Aomizu Patent Attorney Kazuyuki Nishidate Patent Attorney Yamafu Kikue Patent Attorney Eiji Minaka Patent Attorney Akira Yamaguchi

Claims (1)

[Scope of Claims] 1. A fiber opening member, a fiber opening rut supplying member, which surrounds the outlet of the supplying member and is rotatably supported around an axis Iw.
- A device for producing bundled spun yarn comprising a fiber convergence rotor and a false twist nozzle for binding the force-twisted yarn drawn from the fiber convergence rotor, wherein the supply member is rotatably supported in a direction opposite to that of the fine convergence rotor. , a front roller and a pack roller are provided between the converging q-tire and the false twisting nozzle. A device for producing bundled spun yarn, characterized in that it is capable of drafting between the 70 controller and the pack row 2, and is further provided with a pull-out roller downstream of the false twist nozzle. 2. The apparatus for producing bundled spun yarn according to claim 1, wherein the fiber convergence rotor has a tapered shape in line with the outlet, and has an exhaust hole in the wall near the outlet. . 3. The apparatus for producing bundled spun yarn according to claim 2, wherein the fine focusing rotor has a substantially airtight structure and is rotatably supported in a forcedly evacuated housing. Claims 1 to 3, in which the members include a II fiber feeding roller and a coning roller.
5. The apparatus for producing a bundled spun yarn according to any one of items 5 to 9, in which the circumferential speed of the point roller is higher than the circumferential speed of the pull-out roller, and the yarn is in an overfeed state between the point and point rollers. An apparatus for producing bundled spun yarn according to any one of claims 1 to 4, in which a false twisting nozzle acts.