JPH0317932B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a method and apparatus for producing a heterochromatic combed yarn, particularly a heterochromic combed yarn suitable as a pile yarn for carpets. More specifically, the present invention provides a rational method and apparatus for processing heterochromatic combing, which effectively utilizes a conventional existing spinning machine to mix yarns made of 2 to 4 different colored polymers at once. It is related to.

[Conventional technology]

Conventionally, when manufacturing a carpet with a distorted tone, especially a tufted carpet, two or three bulky textured yarns of two or three different colors dyed or colored with pigments are twisted and then combined and twisted. , it is customary to feed the weaving machine. In this case, 1/2 to 1/3 of the total denier ultimately required for weaving.
For raw yarn manufacturers, it is extremely disadvantageous in terms of productivity, as it is necessary to prepare fine denier, and the process is longer due to twisting and plying, and costs are high due to the large amount of equipment and labor costs. Disadvantages such as sticking,
It was unavoidable.

On the other hand, in recent years, interlace processing has been performed using polymers with different dyeability, or by aligning two to four so-called heterochromic nylon bulky filament yarns using polymers dyed with pigments (hereinafter referred to as dope-dyed). It is also becoming common practice to apply this method to the yarn to give it wrapping properties and to use it for weaving without twisting (Japanese Patent Application Laid-open Nos. 56-148932 and 55-84429).
issue). According to this method, when using twisted yarn,
Although it is not necessary to go through a process such as plying and twisting, it is necessary to prepare undrawn or drawn yarn or bulky yarn with a fine denier, which is disadvantageous in productivity. Furthermore, with this method, complete continuity of the manufacturing process is impossible. In other words, in a series of processes for bulky filament yarn such as spinning, drawing, bulking, interlacing, and winding, it is possible to make the processes after drawing continuous, but only the spinning process must be separated from the subsequent processes. ,
It has no choice but to become independent. Continuing the manufacturing process not only reduces the required equipment costs, but also improves the raw material consumption rate.
Not only is it possible to reduce labor costs and equipment storage floor space, which is far more advantageous than discontinuous processes in terms of manufacturing costs, but it is also expected to stabilize quality, among other advantages. However, it goes without saying that there is one thing.

[Purpose of the invention]

The object of the present invention is to produce low-cost, high-quality heterochromatic processed yarn as pile yarn for carpets from yarns made of heterochromatic polymers of 2 to 4 colors using conventional existing equipment (spinning machine). Spinning yarn that mixes fibers all at once
The purpose of the present invention is to provide a stretching/bulking/interlacing processing method (SDTHY) and its equipment.

[Structure of the invention]

(1) According to the present invention, two or more mutually heterochromatic polymers are melt-spun into two or more spun yarns for each melter using separate melters, and a spinning oil is applied to each yarn. After that, while each of the spun yarns from one melter is run across the bottom of the spun yarn from the other melter through a pipe-like yarn guide having a suction function, the spun yarns from each melter are The threads are aligned on an alignment roller so that at least one of the threads is included, and the aligned yarn is subsequently stretched and bulked,
A method for producing a heterochromatic combed yarn, which is characterized in that the yarn is then introduced into an entangling nozzle, mixed and entangled, and then wound; and (2) a feeding device for two or more mutually heterochromatic chips.
A melt spinning machine for melting each heterochromatic chip and spinning it into a plurality of threads, an oiling device for applying an oil to each spun thread, and a thread spun from at least one melter. a pipe-like yarn guide with a suction function for allowing each of the yarns to run across the lower part of the spun yarn from the other melter;
An apparatus for producing heterochromatic combed yarn is characterized in that it is equipped with an aligning roller for aligning yarns of different colors to include all yarns, a stretching device, a bulking device, an interlacing device, and a winding device. provided.

In the present invention, "heterochromic" means that polymers or chips are dyed with different colors or different dyeing degrees (in the case of the same color) when they are made into yarn. , which already has different colored states between polymers or chips.

As polymers having different dyeability, nylon dyeable with acid dyes, nylon dyeable with cationic dyes, etc. may be used, or different polymers such as nylon 6 and nylon 6-6, nylon 6 and PET, etc. may be used. The colored polymer refers to a polymer that has been colored in advance by adding a pigment or the like to the polymer, and is generally referred to as a so-called dope-dyed polymer, and it is also possible to use a polymer with a different pigment color.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings, but here, a case will be described using as an example a case where threads of three different colors are aligned.

In FIG. 1, different dyeing polymers, such as cationic dyeable, acidic deep dyeing and acidic light dyeing polymers, or polymers dyed in red, blue and yellow by dyeing, are used in different color chip feeding apparatuses 0 and 0. ', 0'' are melt-spun by extruders 1, 1', 1'', respectively, and measuring devices 3-1, 3-2, 3'-1~ installed in spin blocks 2, 2', 2'' 2,
3″-1 to 2, 4-1 to 2, 4′-1
After spinning through ~2,4''-1~2 and cooling in each spinning tube, an oiling device 5-5',
A metering oiling device (not shown) in which a gear pump sends a fixed amount of oil to a nozzle is most suitable as this oiling device.

Each heterochromatic yarn 17 imparted with oil
-1~2,17'1~2,17''-1~2 is the gosset roller 6-1~3,6'-1~4,6''-1~4
and a special pipe-shaped thread guide 20- with a suction device.
1 and 20-2 (17-1 and 17-2), the supply rollers 7 and 7' are aligned so that all the different color yarns are included, that is, all the three different color yarns are aligned. . As an example of specially arranged goset rollers 6, 6', 6'', as shown in the figure, they are arranged in two stages in the height direction so that the three colors of threads are at approximately the same height. Refers to something that is specially placed in the

A special pipe-shaped thread guide with a suction device is a pipe-shaped thread guide equipped with a so-called suction gun, which has the function of sucking or blowing the thread into the pipe-shaped thread guide before and after the pipe or on one side thereof.

A detailed example of this is shown in FIG. In this figure, A is a plan view and B is a front view, and the pipe-shaped thread guide 20 is connected to the threads (17-1, 17 in Fig. 1) that need to cross under the threads from other melters. −
2) are preferably guided to the respective supply rollers through the back side of the transverse spun thread.

The yarn guide has a suction port 19 for suctioning the yarn at the inlet portion 18, and has a function of suctioning the yarn by applying compressed air. Pipe-shaped thread guide 20
The suction gun 21, which is installed near the exit, transports the yarn along with the air toward the exit.
be sucked into. The pipe-like yarn guide in front of the suction gun 21 has a door 22 from which the yarn can be taken out, and when this door is opened, the yarn is delivered to another movable suction gun 23. After that, group the heterochromatic threads (three colors in the case of Figure 1) into one thread,
They are aligned by a supply roller, for example roller 7.

Furthermore, if the suction gun 21 is detachable from the pipe-like thread guide, the movable suction gun 23
It is also possible to use it in combination with

Since this pipe-shaped thread guide crosses between melters, various lengths are required, and the long one is a special thread guide that can reach more than 5 to 6 meters.

The yarns supplied to the supply rollers 7 and 7' are stretched by stretching rollers 8 and 8', respectively, and crimped by a processing nozzle 9. Here, the processing nozzle may combine the three colors of threads and crimp them together with one processing nozzle, or the three colors of threads may be separately crimped, for example, 9- 1, 9-2, 9-3 and 3
The crimping process may be performed separately by supplying the material to different processing nozzles.

The yarn crimped by the processing nozzle is then passed through take-up rollers 10, 10' and take-up roller 1.
Between 3 and 13', the combing nozzle 12 imparts mixed fibers and interlace (convergence, entanglement) to the fibers, and then the fibers are wound up by the winder 15, respectively.

When threads of three colors are processed using one crimping nozzle, the individual filaments of the three colors are mixed well at the same time as the crimping is applied, so that a carpet with a subdued color tone can be obtained. Also, if three colors of yarn are processed using separate crimping nozzles, there will be no mixing of the colors during the crimping process, and only the combing nozzle will do.
Due to the blending and convergence of fibers, a contrasting carpet is possible.

As a processing nozzle, a fluid jet processing nozzle disclosed in Japanese Patent Publication No. 56-37339 or Japanese Patent Application Laid-Open No. 53-31848 is suitable.

Also, as a combing nozzle, JP-A-48-
No. 54957, JP-A-51-149944, JP-A-54-
An interlace nozzle or the like disclosed in Japanese Patent No. 125751 may be used.

If the yarn breaks, the yarn breakage detector 1-24 installed between the take-up roller 13 and the winder 15 detects the yarn breakage, and a suction gun installed near the front of the supply roller 7 is activated. When activated, multiple colored threads are sucked at the same time, and the thread cutting operation is performed without threading the pipe-shaped thread guide. Thereby, workability during thread cutting can be significantly improved.

Note that FIG. 3 is an enlarged plan view and a front view of the portion surrounded by the two-dot chain line in FIG. 1, and can be easily understood by referring to FIGS. 1 and 2.

〔Effect of the invention〕

Generally, as a device for melt-spinning heterochromatic polymers, two to four different colored polymers may be spun on the same spinning machine, but in this case, two to four colored polymers and the same spinning machine are used. A new spinning machine similar to a conduit gate spinning machine with special piping is required for this purpose, and a large amount of equipment investment is required, resulting in high costs.

In addition, with a spinning machine that can spin four colors at the same time, four colors, three
As the number of colors (two colors, one color, etc.) is reduced, the efficiency decreases to 1, 3/4, 1/2, and 1/4, respectively, and the spinning becomes idle despite the large capital investment. There are many parts, and there is no merit on a commercial basis.
Furthermore, when spinning regular yarn of one color using a spinning machine that can spin four colors at the same time, the efficiency is only 1/4, which is too unreasonable to meet the diversifying needs. It is.

In contrast, the present invention uses several existing spinning machines to obtain a uniquely colored combed yarn, which is versatile, has low equipment costs, and has enormous advantages for businesses. be.

Existing spinning machines melt a single polymer using an extruder (melter) such as an extruder or a silver plate melter, and then spin multiple fibers through multiple metering devices (gear pumps) installed inside the spin block. A plurality of threads are spun from a spinneret.

In this case, a polymer of the same dyeability or the same color is spun from the same melter, and a polymer of a different color or a different dyeability is spun from an adjacent spinning machine. Therefore, in the case of two colors,
For 2 melters, 3 colors, and 4 colors, 3,
4 melters will be used.

By making full use of such a special pipe-shaped yarn guide, it is possible to prevent yarn breakage during the process, adverse effects on other yarns due to abnormalities such as dripping in the spinning section, and in particular, operations caused by pulling in adjacent yarns and causing yarn breakage. This makes it possible to produce multicolored combed yarn all at once at a low cost.

〔Example〕

Using the apparatus shown in Figs. 1 to 3, nylon 6 metachromatic chips, that is, deep dialable chips, regular chips, and cationic dyeable chips, were extruded using separate solvent extruders to produce 3500 denier/68 The filament yarns are spun to become undrawn yarns, and a spinning oil is applied to each yarn. After that, the pipe-shaped yarn guides the filament yarns so that the different dyed yarns are aligned. The yarn is guided to one supply roller where it is stretched 3.5 times and at the same time heated to 185℃.
After being preheated to a temperature of , each is supplied to three steam jet nozzles for bulk processing. Next, interlacing is applied with a pneumatic pressure of 6.5 kg/cm ² by one combing nozzle provided between the take-up roller and the take-up roller. An interlaced bulky yarn with an interlacing degree of 30 strands and 1 meter of excellent blendability and contrast was obtained all at once.

When this bulky yarn was made into a carpet, the usual spinning, drawing and processing were carried out separately, and later in a separate process.
With the combing nozzle, a uniform carpet with no unevenness was obtained compared to a carpet using a bulky yarn that had been subjected to a mixed fiber entangling process.

[Brief explanation of drawings]

1 is a schematic front view showing one embodiment of the present invention, FIG. 2 is a plan view A and a front view B showing an example of the layout of a pipe-like thread guide, and FIG. They are an enlarged plan view (a) and an enlarged front view (b) of a portion surrounded by a dotted chain line. 0... Chip supply device, 1... Extruder, 2... Spin block, 3... Gear pump (measuring device), 4... Mouthpiece, pack, 5... Oiling device, 17... Yarn, 6... Gosset roller , 7... Supply roller, 7'... Separate roller for supply roller, 8, 8'... Stretching roller, 9-
1, 2, 3...Crimp processing device, 10...Take-off roller, 10'...Separate roller for take-off roller, 11...Free roller guide, 12...
Interlacing device, combing device, 1
3... Take-up roller, 13'... Separate roller for take-up roller, 14... Free roller guide, 15... Winding device, 16... Cheese, 24... Yarn breakage detector, 18... Inlet section , 19
... Suction port, 20 ... Pipe-like thread guide, 21 ... Outlet suction, 22 ... Door, 23 ... Mobile suction.

Claims (1)

[Claims] 1. After melt-spinning two or more mutually different polymers into two or more spun yarns in separate melters, and applying a spinning oil to each yarn, While each of the spun yarns from one melter runs across the bottom of the spun yarn from the other melter through a pipe-like yarn guide having a suction function, the spun yarns from each melter are The yarns are aligned on an alignment roller so that at least one of them is all included, and then the aligned yarns are stretched and bulked, and then introduced into an interlacing nozzle, mixed and entangled, and wound. A method for producing a unique combed yarn characterized by the following. 2. The manufacturing method according to claim 1, wherein the aligned yarns of different colors are fed to the same bulking nozzle to be bulked, and then mixed and entangled in a combing nozzle. 3. The method according to claim 1, wherein the aligned yarns of different colors are fed to separate bulking nozzles to be bulked, and then each yarn is doubled and mixed and entangled by a combing nozzle. Production method. 4. The manufacturing method according to claim 1, item 2 or 3, wherein the bulking method is heated fluid injection processing. 5. A feeding device for two or more mutually heterochromatic chips;
A melt spinning machine for melting each heterochromatic chip and spinning it into a plurality of threads, an oiling device for applying an oil to each spun thread, at least one
A pipe-shaped yarn guide with a suction function is used to allow each yarn spun from one melter to run across the bottom of the yarn spun from the other melter. 1. An apparatus for producing a different color combed yarn, characterized in that it is equipped with an aligning roller, a stretching device, a bulking device, an interlacing device, and a winding device for aligning the yarn. 6. The spinning/drawing/bulking/interlacing processing apparatus according to claim 5, wherein a pipe-like yarn guide with a suction function is provided between the godet roller and the alignment roller. 7. The spinning/drawing/bulking/entangling processing device according to claim 5, wherein the bulking device is a heated fluid injection nozzle. 8. The spinning/drawing/bulking/interlacing processing apparatus according to claim 5, which is provided with one heated fluid injection processing nozzle. 9. The spinning/drawing/bulking/interlacing processing apparatus according to claim 5, wherein heated fluid injection processing nozzles are provided in correspondence with the number of aligned yarns.