JP3360112B2 - Manufacturing method of fine spun yarn with excellent design - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to is a method of manufacturing a spinning yarn which is excellent in design properties obtained by mounting the hue or simultaneously spinning frame 2 or more coarse yarns having different materials from each other More specifically, two or more types of roving components having different hues or different materials are drawn and stretched along the yarn axis direction of the spinning yarn.
Extended, it relates to the yarn thickness (yarn count) and manufacturing method of spinning yarn a mixing ratio excellent arrangement the design property to sequentially allowed to change to a predetermined value of each coarse yarn component.

[0002]

2. Description of the Related Art Conventionally, many chemical fibers and synthetic fibers have been produced and used together with natural fibers that existed before that in various fields in conformity with their respective fiber characteristics. Was still unsatisfactory. For this reason, these fibers have been blended, twisted or interwoven, imparting new properties and depending on their use. In order to meet the diversifying consumer demands recently,
In each of chemical fibers, synthetic fibers, and natural fibers, the yarn itself is further improved and improved, and irregularities such as color, gloss, unevenness, and feeling of fabric are expressed. Inventions which attempt to provide such performance to the yarn at the stage have been proposed and put to practical use. Examples of such proposals include many other inventions such as a "special yarn manufacturing apparatus" described in Japanese Patent Publication No. 5-29698 and a "blend method and blend machine" described in JP-A-9-31766. .

[0003]

However, any of the special spinning yarns obtained by the above-mentioned method or apparatus has irregularity, but it is simply a simple change in the yarn count (thickness) in the longitudinal direction of the yarn. However, the design is poor, and the draft part of the spinning machine to be implemented is large, and there is a problem that the versatility is lacking. For example, Japanese Patent Publication 5-296
The invention described in JP-A-98-98 is unique in that special yarns of various patterns can be manufactured in a short time, and the invention described in JP-A-9-31766 is unique in that a natural comfort can be imparted to the blended yarn. The former requires that special equipment such as an air jet nozzle be attached to the draft part, and the latter requires that almost two sets of the entire draft part be installed. Spinning with a spinning machine was not possible.

The present invention has been made in view of the above-mentioned circumstances of the prior art, and it is an object of the present invention to provide an appearance which is excellent in irregularity and design, and that spinning is conventionally performed with high precision. An object of the present invention is to provide a new method for producing a spun yarn which is almost possible by using a spinning machine, thereby increasing the versatility of a special spun yarn having the above characteristics.

[0005]

In order to achieve the above object, the present invention has the following arrangement. That is, the invention described in claim 1 has two or more types having different hues or different materials.
Each roving unwound from the upper bobbin is successively
A plurality of independent back roller pairs and a pair of
Roller pair and a pair of front roller pairs.
Brake draft and main draft for re-spun yarn formation
The number of rotations of each back roller pair
Increase or decrease according to the set standards, thereby
By changing the mixing ratio between the yarn count (thickness) and each roving component
Both are the back roller pair on the driving side and the apron row on the driven side.
Apron roller pair via the drive path connecting
Is preferentially synchronized with the rotation of the fastest back roller pair .

[0006] The invention described in claim 2 is based on claim 1 .
Shows the most preferred method of the described manufacturing method,
Each of two or more types of rovings that have passed the back roller pair
Separately has a guide to bend and pass, and two or more
Pass through a condenser that converges the rovings so that they do not overlap.
It is characterized in that it is allowed to pass and then the apron roller pair is passed .

According to the manufacturing method of the present invention, the colors are mutually
For design that consists of two or more types of roving yarns with different phases or materials
Excellent spinning is obtained.

[0008]

Embodiments of the present invention will be described below with reference to the accompanying drawings. First, the configuration of an apparatus for performing the method of the present invention will be described. FIG. 1 is a plan view showing a draft part of a spinning machine used in the present embodiment, and FIG. 2 is an explanatory view showing a part of a drive path for driving the draft part.

In the draft part shown in FIG. 1, an A roving yarn 2 unwound from an A bobbin (shinomaki) 1 is provided with one A trumpet 3 provided for each yarn, and a pair of upper and lower A back rollers (hereinafter referred to as backing). Rollers are abbreviated as BR) 4 sequentially and reach a condenser 5 provided for each weight. Meanwhile B
The B roving 7 unwound from the bobbin (shinomaki) 6 reaches the condenser 5 via the same BBR 9 as the similar B trumpet 8.

The A roving 2 and the B roving 7 which bend and pass through the left and right guides of the condenser 5, respectively, are then converged and arranged in parallel with a pair of upper and lower apron rollers (hereinafter, apron roller pair is abbreviated as ER) 10. A pair of upper and lower front rollers (hereinafter, the front roller pair is abbreviated as FR) 11
And sent out as the spun yarn 12. In the above mechanism, ABR4, BBR9, ER10, FR1
Each of the four members is formed of a pair of gripping rollers in which upper and lower rollers rotate in contact with each other under pressure, as in the conventional mechanism.
For simplification of the drawing, the illustration of the top roller side is omitted in FIG. 1 and only the bottom roller side is illustrated.

In the embodiment shown in FIG. 1, between FR11 rotating at a high peripheral speed and ABR4 rotating at a low peripheral speed,
And a total draft between FR11 and BBR9, a predetermined brake draft for A roving 2 between ER10 and ABR4, and a further draft between ER10 and BBR9.
During this period, a predetermined brake draft for the B roving 7 is provided. When excessive brake draft is applied, in order to prevent irregular draft and division, A roving 2 or B
The top roller of the ER 10 is a hollow roller in order to slide the entire roving 7.

In this embodiment, A bobbins 1 and B in which the hue or material of roving to be wound in advance is different from each other.
By using both of the bobbins 6 at the same time as a supply bobbin, the unwound roving yarns 2 and 7 of A and B are extended along the yarn axis, and the roving components are mixed together by combining them. A blended spun yarn 12 having a high design property can be manufactured.

As is well known, the yarn count (thickness) of the spinning yarn 12 in which both the roving yarns 2 and 7 of A and B are mixed is ABR4.
When the FR11 is rotating at a constant speed, the supply amount of the ABR4 and the BBR9 is naturally determined by the sum of the thicknesses of the rovings supplied from both the BBR9 and the BBR9. Each time the yarn count (thickness) increases or decreases, the yarn count (thickness) increases or decreases. Usually FR1
1 is rotating at a constant speed, ABR4 and BBR9 are set to the same diameter, and roving yarn count is set to be the same. Under such requirements, the yarn count (thickness) is equal to the rotation speed of ABR4 and BBR9. The mixing ratio of the A roving 2 and the B roving 7 is determined by the rotation speed of the ABR 4 or BBR 9 that guides each of them,
The distance of the mixing ratio in the longitudinal direction of the yarn axis is determined by the duration of the requirement. The spinning of the spun yarn 12
Is formed.

Thus, comparing the draft mechanism shown in FIG. 1 with a conventional draft mechanism of the same type, the conventional mechanism is a mechanism in which one BR is provided for one ER,
The draft mechanism shown in FIG. 1 has a structure in which two BRs are connected to one ER, and these two points are different. In the mechanism shown in FIG. 1, a new drive path and a brake draft area different from the conventional mechanism are provided. Fiber control is required.

FIG. 2 shows a new drive route which satisfies such a demand. One drive is provided on the ABR4 (FIG. 1) side and a BBR9 is provided.
(Fig. 1) One servo motor is arranged on one side,
These are used as drive sources. As shown in FIG. 2 (FIG. 2), the driving force from the A servomotor 13 is
4, transmitted to the support shaft 18 via the support shaft 15, the gear 16 and the gear 17, and then transmitted to the drive shaft 22 which supports the ABR 4 (FIG. 1) via the support shaft 18, the gear 19, the gear 20 and the gear 21. . Further, the driving force of the shaft 22 is a gear 23, a gear 24,
ER10 through a gear 25, a support shaft 26, an A one-way bearing 27 having a clutch mechanism, a gear 28, and a gear 29
(FIG. 1) is transmitted to the drive shaft 30 for supporting the same. On the other hand, the driving force of the B servo motor 31 is transmitted to the BB through the same gear train and support shaft as the A servo motor 13.
The drive shaft 3 which is transmitted to the drive shaft 32 supporting R9 (FIG. 1) and further supports the ER10 (FIG. 1) via a B one-way bearing 33 having a similar gear train and clutch mechanism.
0.

In the driving path shown in FIG. 2, the driving forces from the two servo motors that operate independently are connected to the same driving shaft 30, and the driving force transmitted from the two driving paths is used. The following mechanism is employed to transmit only a predetermined drive amount from the force with priority. That is, the servomotors 13 and 31 of the two sets A and B
One-way clutches (A one-way bearing 27 and B one-way bearing 33) are respectively incorporated in the conduction path to the drive shaft 30 of R10 as shown, and only the earlier drive force of the two drive systems is applied to ER10. To the drive shaft 30, and the other side is configured with a clutch so as to idle.
The brake draft between the drive shaft 30 and the drive shaft 32 and the brake draft between the drive shaft 30 are separately set to appropriate values.

In this embodiment, of the two roving yarns supplied from the drive path, the roving yarn on the high-speed side receives an appropriate brake draft preferentially. As explained earlier, the earlier roving occupies the majority proportion of the spun yarn, so that this fiber is spun under the proper brake draft, which is effective in preventing yarn breakage and improving yarn quality. I do.

Next, the fiber control on the condenser 5 will be described. In this embodiment, two types of roving yarns having different and fluctuating supply speeds travel between one set of ERs, and all roving yarns are moved under an appropriate brake draft as in a conventional spinning machine. It is impossible to spin. Examining the behavior of the fibers around the ER, as is well known, the fibers that have reached FR move at the peripheral speed of FR, and the fibers gripped by ER or BR move at the peripheral speed of the gripping roller pair, respectively. The fibers that are not gripped by either roller pair become floating fibers and are gripped and moved by the surrounding high-speed fibers. The control of the movement of the floating fiber determines the uniformity of the spinning yarn obtained. In the present embodiment, since the supply roving itself is in an unstable state as described above, the fiber that has reached FR can be more smoothly pulled out, and the fiber that has not reached FR moves at high speed. It is required that the fibers do not run randomly. In the present embodiment, such a function is assigned to the capacitor 5.

The condenser 5 used in the present embodiment has the following configuration. 3 is a perspective view of the condenser 5, FIG. 4 is a plan view of the condenser 5, and FIG. 5 is a front view of the condenser 5. The A roving 2 and the B roving 7 enter the condenser 5 through the inlet portion 34, It travels through 35 to the tip 36 side. The inlet 34 is formed of a flat plate whose left and right ends are widened, and a base 35 of a gutter-like body is continuously provided following the inlet 34. In the figure, reference numeral 37 denotes a left side wall standing upright on the base 35, and 38 denotes a right side wall. The left and right side walls 37, 38 have a "beak" shape in which the leading portions are close to each other and have a tip portion at this portion. 36 are formed. Further, a projection 39 connected to the base 35 stands upright at the center of the tip 36.

The condenser 5 having such a shape is provided with a large number of guide holes, which will be described later. It is configured to bend.
The guide hole of the condenser 5 has an inlet portion 34 and a base portion 35.
A and B of semicircular through-holes at the boundary of
C and D of circular through-holes, E and F of semi-circular through-holes at the boundary between the distal end portion 36 and the base 35, and G of circular through-holes at the section of the protrusion 19 are formed (cut). ing.

These guide holes impart the following unwinding tension to the roving to be guided. When arranged in order from the path exhibiting the lowest tension to the higher path, a first path 41 (FIG. 6) is a path that simply travels on the guide surface from the entrance 34 to the exit 40. Second path 42 (FIG. 6): Back surface of entrance 34 → B → Path of exit 40 Third path 43 (FIG. 7): Surface of entrance 34 → C → Path of exit 40 Fourth path 44 (FIG. 7)... Back surface of entrance portion 34 → B → D
→ Route of exit 40 Fifth route 45 (FIG. 8)... Back of entrance 34 → A → E
→ C → Route of exit 40 Sixth route 46 (FIG. 8) …… Back side of entrance → B → F → D
→ G → Route of exit 40 As mentioned above, there are six types of traveling routes.

In the present embodiment, as described above, B
By providing a plurality of bends in the running direction for the roving between R and ER, excessive or insufficient withdrawal resistance is addressed. By providing different running postures to the two roving rows running on the same condenser 5, it is possible to apply an appropriate unwinding tension to each roving. It is necessary to select the number of bends, the bend angle, the position of the guide hole, the running posture (Z-shape, S-shape, spiral shape) for the roving in the condenser 5 in accordance with the spinning, and the roving used itself. The same applies to the raw material, fiber length, fineness, etc.

As shown in the above-described embodiment, the spun yarn 12 of the present invention supplies two or more types of roving yarns having different hues or materials to a pair of back rollers each having an independent drive system, drafting them, and then blending them. At the same time, the rotation of the pair of back rollers is computer-controlled according to a preset program, and the speed is changed according to the standard, thereby giving the count (thickness) variation and the mixing ratio variation of each roving component to the obtained mixed spun yarn. The resulting yarn is irregular.

By controlling the supply of a plurality of rovings, the mixing ratio of the roving components and the change in the thickness of the special yarns can be simultaneously and freely and freely spun in any length. The raw material, fiber length, fineness, thickness, etc. of the roving used can be various. Hereinafter, the present invention will be further described with reference to examples.

[0025]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Acrylic fiber 10 obtained by a normal process
Staples of 0%, single yarn fineness of 2.2 dtex and a fiber length of 89 mm were cotton dyed with black for half of the production amount and brown with the remainder. Using a 4 in type pre-spinning process, black cotton was converted to A roving (0.
At 3 g / m), the cotton was B robbed (0.3 g / m) and formed into separate bobbins. These were used as A bobbin 1 and B bobbin 6, respectively, of the spinning machine shown in FIG. The spinning state in the spinning machine is the same as that of the embodiment shown in FIG. 1, and the traveling path in the condenser 5 is the same as the A roving 2 (black) using the path 43 in FIG. 7 and the B roving (brown). The vehicle was run through the right side of the route 43 to obtain a finely spun yarn mixed with black tea and having excellent design properties.

In FIG. 9, the mixing ratio of A roving 2 and B roving 7 is A50 / B50 at base point I and A200 / B50 at base point II.
B0, A200 / B0 at base point III, A0 / B1 at base point IV
00, and the base points I to I
90 mm between I, 50 mm between base points II-III, base points III-I
The ratio between V was 40 mm, the distance between base point IV and the next I was 420 mm, and the distance between base points I and II was 90 mm. The irregularity applied to the spinning was performed by operating the A servomotor 13 and the B servomotor 31 shown in FIG. 2 under computer control to vary the rotation of each pair of back rollers. FIG.
The spinning yarn shown in the above is a mixture of black and brown, and has various counts and fluctuations in the mixing ratio of each roving component.
It was suitable for use in outer clothing.

In the above-described embodiments and examples, the case where two types of roving yarns are supplied has been described for the sake of simplicity of explanation. Can be used. Also in this case, one set (1
It is necessary to provide a pair of back rollers, but after the apron roller pair, it can be implemented by one set of common mechanism like the conventional mechanism.

[0028]

As described above, according to the production method of the present invention,
The obtained spun yarn has a good design appearance because a plurality of different roving yarns (of different colors and materials) are randomly blended, and the yarn and fabric obtained by this spun yarn have irregular properties. It has an excellent effect on expression. Further, the manufacturing equipment can be implemented only by adding back roller pairs corresponding to the number of types of roving yarns, and can solve the problem of manufacturing spun yarn having irregularity described at the beginning. it can.

[Brief description of the drawings]

FIG. 1 is a plan view showing a draft part of a spinning machine used in an embodiment.

FIG. 2 is an explanatory diagram showing a part of a drive path of a draft part shown in FIG.

FIG. 3 is a perspective view of the condenser shown in FIG.

FIG. 4 is a plan view of the condenser.

FIG. 5 is a front view of the condenser.

FIG. 6 is an explanatory diagram showing a first path and a second path of roving.

FIG. 7 is an explanatory diagram showing a third path and a fourth path of roving.

FIG. 8 is an explanatory diagram showing a fifth path and a sixth path of roving.

FIG. 9 is a plan view showing a part of a spun yarn.

[Explanation of symbols]

 Reference Signs List 1 A bobbin 2 A roving yarn 4 ABR (A back roller pair) 5 Condenser 6 B bobbin 7 B roving 9 BBR (B back roller pair) 10 ER (apron roller pair) 11 FR (front roller pair) 12 Spinning yarn 13 A servomotor 22 drive shaft 27 A one-way bearing 30 drive shaft 31 B servomotor 32 drive shaft 33 B one-way bearing

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) D02G 3/04 D01H 5/32 D01H 5/72 D01H 7/02 D02G 3/22

Claims (2)

(57) [Claims] 1. A plurality of pairs of back rollers each independently provided with a roving yarn unwound from at least two types of bobbins having different hues or materials, and a pair of apron rollers When passing through a pair of front roller pairs and applying a brake draft and a main draft thereto for forming a spun yarn, the number of rotations of each of the back roller pairs is increased or decreased in accordance with a preset reference, whereby the spinning process is performed. The yarn count (thickness) and the roving component are changed, and the apron roller pair rotates at the fastest speed via a drive path connecting the back roller pair on the driving side and the apron roller pair on the driven side. A method for producing a fine spun yarn having excellent design characteristics, wherein the spinning is preferentially synchronized with the back roller pair. 2. A guide having two or more types of rovings that have passed through a pair of back rollers, each having a guide for individually bending and passing the same, and passing through a condenser for converging the two or more types of rovings so that they do not overlap, and then an apron. the process according to claim 1 excellent spun yarns on the design of, wherein the allowed to pass through the roller pair.