JPS6012459B2 - Manufacturing method of brushed yarn - Google Patents

Description

[Detailed description of the invention] The present invention relates to a raising method in kori processing.

Karyori processed yarn accounts for the majority of the Kenge processed yarn currently produced. Therefore, although the texture of calori textured yarn has become common in the market, there has been a strong demand for textured yarn with a new texture. One method is to use yarn that has fluff and has a texture similar to spun yarn.

As mentioned above, various methods for producing processed yarns having fuzz and a texture similar to spun yarn have been studied. One of the methods is to arrange a rough surface on the ballooning part of raw silk or keratin-processed yarn and cut a part of the yarn by the impact force of the ballooning. This method allows for good napping, but since the napping method involves ballooning impact force against the rough surface, it is necessary to maintain a high tension and furthermore, it is necessary to increase the number of rotations. As a result, the processing speed was not increased, resulting in poor productivity. On the other hand, in order to increase the processing speed, there is a method that uses a temporary spindle or an eccentric spindle to generate ballooning, strike the rough surface, and cut a part of the yarn. In this method, the yarn has no east-gathering property after passing through the spindle, and since fluff is generated on the surface of the yarn, the length of the fluff increases due to the rubbing of the guide after passing through the spindle.
The appearance of the fluff became significantly worse. This significantly deteriorated the surface properties of the product. The present inventors have conducted intensive research on a method for producing a spun yarn-like textured yarn that improves the above-mentioned problems in producing raised textured yarn and provides a good texture, and as a result, they have arrived at this invention.

This invention has the following configuration in order to improve the above problems.

That is, in the present invention, when a plurality of synthetic fiber multifilament threads are aligned in the vicinity of the hot plate outlet and passed through a forming device to undergo temporary processing, a rough surface body is disposed in the aligned portion, and the roughened This is a method for producing a raised textured yarn characterized by running each yarn in contact with a facepiece. In the present invention, the vicinity of the thermal temporary outlet may be any place as long as it is near the thermal slope exit, and specifically refers to the area on the thermal slope or immediately after exiting from the hot plate.

Furthermore, it refers to a place where the temperature of the synthetic fiber filament yarn is maintained at a temperature higher than the glass transition point. The structure of this invention will be explained in more detail with reference to the drawings.

FIG. 1 is an example of this invention. 1 and 2 are source yarns to be supplied.

5 is a feed roller for feeding the raw yarn, in this case, the raw yarns 1 and 2 are passed through the corresponding guides 3 and 4,
They are sent separately to a feed roller, and the feed rollers are used to form them separately in a forging process.

6 is a hot plate for fixing the brace.

11' This is the alignment portion of both yarns, which may be on the hot plate, or may be placed immediately after coming out of the hot plate as shown in the figure.

7 is a rough surface.

As shown in the figure, the rough surface body needs to be positioned so as to form an aligned portion between both yarns. 8 is a temporary spindle for inserting a temporary hold.

9 is a delivery roller.

10' is a winding roller.

A particularly important point in this invention is to arrange the paper face body 7 in the temporary processing area and in the aligning section 11.

That is, by arranging the rough surface in the alignment portion, the contact between the rough surface and each thread 12P 13 can be made stable and reliable. Furthermore, the slits placed in the aligning slit section 14 are propagated to the threads 12 and 13, respectively, and the threads 12 and 1
In both cases, the IJI is brought into contact with the tracheal surface in a state where it is concentrated. In other words, taking double yarn as an example, even if the double yarn twist is prevented by the cortices, each single yarn is not nipped, so each single yarn has a twist. When two threads are tied together, each thread before the stitching point will have a stitch retroactively added to it.

Therefore, the fluff does not become longer than necessary. Each of the raised yarns 12 and 13 is immediately drawn together while being folded into a nape to become the aligned nap yarn Y, which then passes through a spindle, and the nape is unrolled. . In this unraveled state, the yarns are not completely separated and become yarns with alternating weaves. Furthermore, the fluff exists inside the yarn due to the folding during napping, and therefore there is no problem such as the length of the fluff becoming longer due to contact with a guide or the like in the process after napping. In other words, the fluff length is suitably short, and the fluff is also present inside the yarn, resulting in a raised yarn. Furthermore, another important point of the present invention is that the above-mentioned alignment point 11 is located on the hot slope or immediately after exiting the hot plate.

That is, by configuring the alignment part as described above and bringing it into contact with the rough surface body, the yarn in the portion that contacts the rough surface body can be easily cut. That is, the strength of synthetic fiber threads heated to high temperatures decreases, and the force required to deform them is also smaller than when heated at low temperatures. Therefore, it is possible to partially cut the filament with extremely small force.
Therefore, immediately after exiting the hot plate in the pulling section, each yarn includes the range in which the temperature is higher than the glass transition point of the polymer, and the physical properties of the yarn are thermally degraded. If it is in a state where it is, it is safe to judge that it has just happened. The threads of this invention may be any thermoplastic synthetic fibers such as polyester fibers, polyamide fibers, acrylic fibers, etc., and may be a combination of the same type of fiber threads or a combination of different types of fibers.

In the case of a combination of different types of fibers, desirable properties such as texture, uniformity, and different color effects are added. The paper surface of this invention is a metal cylinder with diamond powder adhered to it,
Alternatively, it is preferable to use a fixed sand vapor.

Furthermore, by traversing the above-mentioned tracheal surface in the direction of its ruts, that is, without changing the state of contact with the yarn, it is possible to maintain a homogeneous surface and state of the tracheal surface at all times.
It is possible to prevent changes in the quality of the thread due to wear of the rough surface.

As previously mentioned, this invention is an extremely efficient napping process that allows vertical finishing and napping to be carried out simultaneously by simply attaching a rough surface to a common shading machine.

In addition, the number of fluff and fluff length are stable compared to other napping methods,
In addition, the fluffy filaments are present inside the yarn, and it is possible to obtain a raised yarn having stable fluff, as if it had a double-thread structure. This invention will be explained in more detail with reference to Examples.

Example 1 Using the apparatus shown in Fig. 1, two threads of polyester filament 75 denier 24 filament were
Supplied via drawer.

The yarn speed of the delivery roller was 130/min, the rotation speed of the spindle was 325,000 rpm, and the hot plate temperature was 230°C. The trachea was placed immediately after exiting the hot plate. The rough surface had a roughness of No. 320 and was made of a metal rod with diamonds exposed on it. A napping process was performed under the above conditions to obtain a napping-treated yarn. The resulting brushed yarn had a fluff of 20 fuzz/m or more, and was used for spinning. In the case of the tentative total number of 250 m/m/m in the fluffing process mentioned above, the actual measurement point of the inserted fuel number between numbers 8 and 11 in Figure 1 is 251/m/m in the entire double thread, and numbers 12 and 13 in the same figure.
In each of the single yarns, one yarn 12 had a twist of 1281 T/m, and the other yarn 13 had a twist of 122' skin. The number of fluffs of the yarn obtained at this time was 201 fuzz/skin, and false twist crimp was also imparted. Also, the number of false twists set is 29.
In the case of 10T' skin, the actual number of inserted fuels between numbers 8 and 11 in Figure 1 is 3040T/ for the entire double thread, and for each of the single threads numbered 12 and 13 in the same figure, one One thread 12 was OT/skin, and the other thread 13 had 1501T/skin inserted. The number of fluffs of the yarn obtained at this time was 239 fluffs/fuzz, and false twist crimp was also imparted. 200 for the purpose of weaving matte wooce with these threads.
Two threads of the present invention were interwoven at a thread count of T/m, and then weaving was performed. The obtained woven fabric had a soft surface touch, had a spun yarn-like appearance, and had good woven fabric performance such as pilling.

[Brief explanation of drawings]

FIG. 1 is a diagram showing an embodiment of this invention. 1, 2: Yarn, 6: Heater, 7: Assembling face, 8: False twisting device. k, sardine

Claims (1)

[Claims] 1. When aligning a plurality of synthetic fiber multifilament yarns near the outlet of the hot plate and passing them through a temporary twisting device for temporary twisting, a rough surface body is arranged in the alignment section, and each yarn is placed on the rough surface body. A method for producing a brushed yarn, characterized by running the yarn in contact with the yarn.