JP3484507B2 - Spinning winding method and spinning winding apparatus - Google Patents

Description

Detailed Description of the Invention

[0001]

FIELD OF THE INVENTION The present invention prevents accumulation of dirt and abrasion on the surface of a godet roller when winding a spun thread through a godet roller, and improves spinning productivity and thread quality. The present invention relates to an intended spinning winding method and spinning winding device.

[0002]

2. Description of the Related Art Conventionally, when a spun yarn is wound by a winding machine, a method using a godet roller is widely used from the viewpoint of improving winding stability and controllability of winding conditions.

[0003] Generally, when a spun yarn is wound up through a godet roller, an oil agent is previously attached for the purpose of imparting smoothness and antistatic property to the yarn.

When the yarn travels on the surface of the godet roller, part of the oil agent attached to the yarn accumulates as dirt on the contact portion of the surface of the godet roller. The accumulation of the dirt increases the adhesiveness to the yarn on the surface of the godet roller, which causes the tension of the running yarn to fluctuate, which causes a trouble such as the yarn winding around the godet roller.

In particular, when the film is stretched between two or more godet rollers and wound up through a heating roller, dirt components are gelled and tarted by heat on the rollers, so that accumulation of dirt is promoted. At the same time, the yarn slips on the godet roller, the fluctuation of the drawing tension becomes large, the yarn quality is greatly impaired, and the operability is adversely affected.

[0006] In order to remove such oil stains and oil stains on the godet roller that are gelled and tarified by heat, the spin winder is stopped periodically to remove stains on the godet roller surface. It was necessary to work except for.

Therefore, it has been unavoidable that the productivity is lowered due to the stoppage of the spinning machine and the cost is increased due to the labor cost for the stain removal work.

Further, in high-speed winding at a winding speed of 3000 m / min or more, the yarn tension before and after the godet roller becomes high, and the roller surface at the yarn running position is locally worn. When the degree of wear increases, the yarn is rubbed by the worn portion, the surface is fluffed, and the quality is remarkably deteriorated.Furthermore, because the friction coefficient between the worn portion and the non-wear portion of the yarn is different, tension fluctuations occur. However, there is a problem in that deterioration of the quality and thread breakage are likely to occur.

[0009]

SUMMARY OF THE INVENTION According to the present invention, when a spinning winder is operated for a long period of time, accumulation of stains and local wear on a surface of a godet roller which comes into contact with a running yarn are prevented. The purpose is to obtain stable spinning operability and excellent product quality.

[0010]

The spinning take-up method of the present invention has the following constitution in order to solve the above problems. That is, when winding the spun yarn through a godet roller at a winding speed of 3000 m / min or more,
Run the yarn in front of the trollers or between the godet rollers
Install a yarn guide that regulates the line position, and
When the godet roller is moved back and forth in the rotation axis direction,
By the above, the yarn winding path of the yarn running on the godet roller is reciprocated in the direction of the rotation axis of the godet roller during winding.

The spinning take-up device of the present invention for solving the above problems has the following constitution.

Namely, the properly even before godets is disposed yarn guides for regulating a running position of the yarn between <br/> godets, the yarn path guide in the direction of the rotation axis of godets A spinning take-up device comprising means for reciprocating movement.

Next, the present invention will be described in detail.

In the spinning winding method of the present invention, the winding speed is 3000 m / min or more. The upper limit of the winding speed is not particularly limited, but is preferably 8000 m / min or less from the limit of stable production. If it is less than 3000 m / min, the accumulation and wear of dirt on the surface of the godet roller are not enough to deteriorate the operability.

Further, when a godet roller in which at least one of the godet rollers is heated is used for the purpose of stretching or the like, an oligomer or the like extracted from the inside of the yarn or an oil agent or a heat-modified substance of the oil agent is a cause. And promotes the accumulation of dirt on the surface of the godet roller,
If the present invention is adopted, the effect is greater.

Furthermore, when the yarn is stretched between the godet rollers, abrasion of the surface of the godet roller is accelerated due to the high tension during the stretching.

According to the present invention, the yarn path of the yarn running on the godet roller is reciprocally moved in the direction of the rotation axis of the godet roller during such spinning winding to prevent local accumulation of dirt and abrasion. is there.

That is, the yarn path of the yarn is reciprocally moved in the rotation axis direction of the godet roller to prevent the yarn from continuously contacting only a part of the surface of the godet roller.
The movement amount of the yarn path is not particularly limited, but is 3 mm.
In order to achieve the object of the present invention, it is preferable to reciprocate within a width within the effective use length of the godet roller (in the yarn pitch in the case of multiple yarns). In particular, from the viewpoint of stabilizing the quality of the yarn, the width of reciprocating movement on the heating godet roller is preferably within a range where the temperature distribution in the direction of the rotation axis is uniform.

The moving speed of the yarn path on the godet roller is
When one reciprocation of the yarn path within the movable width is defined as one cycle, 0.05 to 5 minutes / cycle is preferable, and 0.2 to 3 minutes / cycle is more preferable.

On the other hand, in the winding device of the present invention,
Yarn guide for regulating a running position of the yarn is properly be before the godet roller is one that is provided between the godet roller.

Further, the yarn guide is provided with means for moving it in the direction of the rotation axis of the godet roller.

In order to move the yarn guide,
It is possible to use either a mechanism for reciprocating through an ordinary induction motor or a stepping motor through a gear, or a mechanism for reciprocating by switching compressed air through a cylinder, or any other mechanism. For example, a mechanism that includes a cam, a connecting rod, and a link that converts a rotary motion into a reciprocating linear motion can be mentioned.

Further, the moving direction of the yarn guide need not necessarily coincide with the rotation axis of the godet roller, as long as there is a vector component in the rotation axis direction.

By the spinning take-up device of the present invention, by moving the yarn path guide in front of the godet roller or between the godet rollers during winding, the godet roller is moved. Since the yarn path traveling position on the surface always reciprocates in the rotation axis direction, the adhered oil agent component at or near the traveling position does not accumulate on the godet roller surface.

Further, on the heated godet roller, since no oil component is accumulated on the surface, neither gelation nor tar formation occurs due to heat denaturation.

That is, even if the spinning equipment is continuously operated for a long period of time, stains do not accumulate on the surface of the godet roller, and the spinning production stability is dramatically improved.

Further, since the yarn running position on the godet roller is constantly moved, local wear of the godet roller surface can be prevented beforehand, so that not only the occurrence of quality abnormality due to wear can be prevented, The maintenance of spinning equipment is improved.

In order to prevent abrasion, the yarn guide is preferably made of a metallic material such as stainless steel as long as it has a high hardness. Further, a ceramic material such as alumina has excellent abrasion resistance and can be used for a long period of time. It is the preferred material.

The shape of the yarn path guide is not particularly limited, and any shape may be used as long as it can stably move the yarn path of the yarn.

The present invention can be preferably used in the manufacturing process of synthetic fiber yarns such as polyester and polyamide, but is not particularly limited.

[0031]

The present invention will be described in detail below with reference to examples and comparative examples.

The winding tension, the frequency of yarn breakage, and the Worcester fineness unevenness of the winding yarn were measured by the following methods.

[Winding tension] Model FTR-101 manufactured by Toray Engineering Co., Ltd. Rotary type strain sensor type tension pickup (maximum detected tension: 100
g) was used to measure the tension on the winding yarn between the second godet roller and the winder.

[Frequency Breakage Occurrence Frequency] The frequency of yarn breakage was investigated when each of the 16 spinning take-up devices was continuously operated for 7 days (without cleaning of the godet roller). The yarn breakage frequency was calculated as the number of yarn breakages with respect to the amount of chips used.

[Worcester fineness irregularity] Zellurege
It was measured at a sample speed of 50 m / min using a Model GGP-C-9 type Wurster fineness variation tester manufactured by r.

EXAMPLE A nylon 6 polymer solution having a relative viscosity of 2.6 with respect to a 98% sulfuric acid solution and a titanium oxide content of 2.0% by weight was melt-spun at 265 ° C., cooled and solidified, and then a fatty acid was prepared. A mixture of 60% ester, 25% nonionic activator, and 15% imidazoline compound was emulsified in water at a concentration of 10% by weight to give an emulsion-based oil agent, and air-pressure entanglement to give the first godet roller and the second godet roller. 5000 after picking up with a godet roller
Eight yarns were wound around one winder at a winding speed of m / min, and a fineness of 50 yarns (17 filaments) was obtained.

The second godet roller has a surface temperature of 18
After heating to 0 ° C., a stretch of 1.2 times was applied between the first godet roller and the second godet roller to perform hot stretching. A yarn guide was provided in front of the first godet roller, and the yarn guide was reciprocally moved with a width of 7 mm at a moving speed of 1 minute / cycle. As a mechanism to reciprocate the yarn guide, a rotating plate is attached perpendicular to the rotating shaft of the low-speed motor, and the godet roller rotates the rotating motion around any point other than the rotating shaft of the motor on the rotating plate. What was taken out as a reciprocating motion in the direction parallel to the axis was used.

Spin-up winding was carried out continuously for 7 days.
There was no fluctuation or increase in the winding tension with time,
It was stable with g.

The results are shown in Table 1.

[0040]

[Table 1] In addition, the godet roller surface was washed once every 7 days, and 16 spinning take-up devices were continuously operated for 1 year each, and then continuously operated for 7 days (no roller cleaning was performed during the process). When the frequency of occurrence of yarn breakage was measured with respect to the amount of chips used, it was 0.5 times / ton. After that, the godet roller was removed, and the wear depth of the yarn running portion was measured by a surface roughness meter to be 0.1 μ,
Little wear was observed.

Further, the Worcester fineness unevenness level of the wound yarn was a good level of 0.35 or less.

[Comparative Example] Nylon 6 was melt-spun under the same conditions as in the Example, and the yarns were sequentially taken up by the first godet roller and the second godet roller without moving the yarn using the yarn guide. And then wound up on a winder.

Spin-up winding was carried out continuously for 7 days. The winding tension showed a large variation of 5 to 10 g on the 7th day.

The results are also shown in Table 1.

The winding conditions were the same as in the example, and the godet roller surface was washed at a cycle of 2/7 days, and after the 16 winding devices were continuously operated for 1 year, respectively. , The frequency of yarn breakage during continuous operation for 7 days (without cleaning the roller in the middle) was measured with respect to the amount of chips used and found to be 1.6 times / ton, and after that, the godet roller was removed. When observing the surface, the yarn traveling yarn path was locally worn,
When the wear depth of the yarn running portion was measured in the same manner as in the example, it was 1.6 μ.

Further, the Worcester fineness unevenness level of the wound yarn was 0.6, indicating the occurrence of fineness unevenness, and the yarn quality was inferior to the examples.

[0047]

According to the present invention, when a spun yarn is wound around a godet roller, dirt is accumulated on the surface of the godet roller, which is in contact with the running yarn, and local abrasion. Therefore, stable spinning operability and excellent product quality can be provided.

─────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-61-248866 (JP, A) JP-A-58-109612 (JP, A) Actual development Sho-52-51406 (JP, U) (58) Field (Int.Cl. ⁷ , DB name) D01D 1/00-13/02 D01F 1/00-9/04 D02J 1/22

Claims (3)

(57) [Claims] [Claim 1] Upon taking up in spun the winding through the godet roller yarn speed of 3000m / min or more, Gore
Threads in front of the dead rollers or between the godet rollers
The yarn guide is installed to regulate the traveling position of the
To reciprocate in the rotation axis direction of the godet roller.
By so doing, the yarn path of the yarn running on the godet roller is reciprocated in the direction of the rotation axis of the godet roller during winding. 2. The spinning winding method according to claim 1, wherein the spun yarn is stretched between at least two godet rollers and is wound using at least one heated godet roller. . Properly even before wherein godet roller yarn guide is disposed to regulate the running position of the yarn between the godet roller, means for reciprocating the yarn path guide in the direction of the rotation axis of godets A spinning take-up device comprising: