JPS6119747B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a creel equipped with a tensioning mechanism.

Conventionally, in order to manufacture belt-shaped fabrics such as various safety belts, the required number of warp yarns are wound around a beam and woven, or pre-warped yarns are wound around a bobbin, and this bobbin is placed on a creel and then woven from the creel. Either the yarn was sent to the loom as a warp yarn, or the unjointed yarn (filament yarn) was wound around a bobbin, the bobbin was placed on a creel, and the unadded yarn was sent as a warp yarn from the creel to the loom.

However, when weaving the warp yarns using the added yarns, the following problems occurred. In other words, it is common for textile manufacturers to not add threads in-house, but to outsource the process to an external company.
Although it is necessary to change the degree of twist depending on the desired texture of each fabric, it is inconvenient that the degree of twist cannot be changed at all during the weaving process. In addition, the same length of yarn is not always wound around each bobbin, and the yarn is wound unevenly, resulting in wasted yarn. Furthermore, the length of the yarn wound around the bobbin is usually shorter than that of the raw yarn, so it is a hassle to connect the yarn together during weaving, and the knotted part becomes a defective product and has to be discarded. I didn't get it. Furthermore, a rewinding process after joining and a warping process are required when winding the warp yarns around the beam.

On the other hand, when weaving directly from a creel using unfinished yarn as warp yarn, large,
Since the yarn from the package is used as it is, there is almost no need to connect the yarn together during weaving, there is no need for rewinding or warping, and there is no need to send the yarn to an outside adding company. Although the manufacturing efficiency is much better than the former case because there is no need to ask for There were some problems with the weaving process, and the threads were prone to breakage and fuzzing during weaving, and when this became severe, the loom had to be stopped to restore normal operation, which was a hassle.

The present invention has been made in view of the above-mentioned circumstances, and its object is to include a twisting mechanism that can simultaneously add twist to the unfinished yarn while feeding the unfinished yarn to the loom. It is to provide creel.

An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is an overall view showing an example of a creel according to the present invention, in which reference numeral 1 indicates a creel main body, 2 a bobbin wound with unfinished yarn, 3 a loom, and 4 a winding roller of the loom 3.

A plurality of horizontal frames 5b (five in the drawing) are provided at equal intervals in the vertical direction between the vertical frames 5a, 5a of the creel body 1, and a plurality of bobbins 2 are arranged in parallel on each horizontal frame 5b. ,
Unfinished thread A (filament thread) from each bobbin 2
The yarn is supplied to the loom 3 as warp yarn. Note that 5c in the figure is an intermediate vertical frame.

On one side of the creel body 1 (left side in Figure 1),
A motor 6 and a transmission 7 are arranged. A belt 8 is provided between the motor 6 and the transmission 7, as shown in FIGS. 2 and 3, so that the rotation of the motor 6 is transmitted to the transmission 7. A pulley 10 is attached to the output shaft 9 of the transmission 7 (see Figure 2).
The rotation of this pulley 10 is controlled by belts 11, 12, 13 and intermediate pulleys 14, 1 provided at approximately mid-height positions on one side of creel body 1.
5 and 16 to a pulley 18 (see FIG. 3) fixed to a spindle drive shaft 17 provided along each horizontal frame 5b. This causes each spindle drive shaft 17 to rotate in the same direction (see FIG. 3).

The spindle drive shaft 17 is provided with a bevel gear 20 (see FIG. 2) corresponding to each bobbin 2. As shown in FIG. 4, this bevel gear 20 meshes with a bevel gear 22 fixed to one end of the spindle 21 (left side in FIG. 4). The spindle 21 has a bearing part 2 fixed to the horizontal frame 5b.
3, it is supported in a substantially horizontal state so as to be perpendicular to the spindle drive shaft 17. A support cylinder 24 is provided on the other end side of the spindle 21 (left side in FIG. 4).
The above-mentioned bobbin 2 is supported by this support cylinder 24, and the bobbin 2 is rotated by the rotational driving force transmitted from the spindle drive shaft 17.
is now being rotated. The rotational direction of the bobbin 2 is set to the direction in which the unrolled yarn A is unraveled (the opposite direction to the winding direction of the unrolled yarn). Further, the rotation speed of the bobbin 2 can be varied by the above-mentioned transmission 7, and the faster the rotation speed, the more power can be added, and the slower the speed, the less power can be applied.

A flyer 26 is rotatably inserted between the bearing portion 23 of the spindle 21 and the support tube 24 . A release tension adjustment member 27 is provided between the flyer 26 and the bottom 24a of the support tube 24. This tension adjustment member 27 is
A hollow threaded portion 28 having a knob at one end and screwed onto the flyer 26; a brake shoe 29 fitted into the threaded portion 28 so as to be movable in the axial direction and in contact with the bottom portion 24a; A spring 30 is provided in the support tube 24 to bias the brake shoe 29 toward the bottom 24a, and a spring 30 is provided to bias the brake shoe 29 toward the bottom portion 24a. It transmits rotation (wear transmission). Due to this delay of the flyer 26, unraveling tension is applied to the untied yarn A, thereby preventing it from unraveling into pieces. When the threaded part 28 is screwed in and the spring 30 is strongly compressed, the unloaded thread A is strongly pulled out (unraveling and the tension becomes stronger).On the other hand, when the threaded part 28 is loosened and the spring 30 is weakly compressed, the unloaded thread A is pulled out. Thread A is pulled out lightly (the unraveling tension becomes weaker). The degree of delay and unraveling tension of the flyer 26 are varied depending on the rotational speed (winding speed) of the winding roller 4 of the loom 3, the thickness of the unwound yarn A, the amount of winding, etc.

A support pipe 32 is provided at one end of the fryer 26 (upper side in FIG. 4) substantially parallel to the spindle 21. The support pipe 32 is provided with fixed Snell wires 33 and 34 at one end position and an approximately intermediate position in the axial direction, respectively, and a movable Snell wire 35 is movably provided at the other end side in the axial direction. . This movable Snell wire 35 is biased toward the other end of the support pipe 32 (left side in FIG. 4) by a spring 36 provided within the support pipe 32, and is prevented from unraveling due to variations in the delay of the flyer 26. It is designed to adjust for variations in tension. The unfinished thread is pulled out from the bobbin 2, and first the fixed snell wire 3 at an intermediate position is pulled out.
hooked to the moving Snell wire 35 through 4;
It is folded back by the moving Snell wire 35, passes through the fixed Snell wire 34 again, reaches the fixed Snell wire 33 at one end position, and is guided from the fixed Snell wire 33 to the loom 3 via the yarn guide on the creel, the warp pulling and aligning roller 40. Thereby, the yarn can be stably supplied to the loom 3. In addition,
In FIG. 1, 41 is a heald, and 42 is a lead.

Next, the operation of the above embodiment will be explained.

When the motor 6 is operated, its rotation is caused by the transmission 7,
It is transmitted to the spindle 21 via the intermediate pulleys 14, 15, 16 and the spindle drive shaft 17,
The bobbin 2 is rotated by the spindle 21.
At this time, the flyer 26 is also rotated in the same direction as the bobbin 2 with a delay corresponding to the weaving speed (winding speed) through the transmission of wear between the brake shoe 29 and the bottom portion 24a. As a result, the unfinished yarn A is pulled out from each bobbin 2, and is supplied to the loom 3 after being given a predetermined unraveling tension by the flyer 26. At this time, the rotation of the bobbin 2 simultaneously causes the unfinished yarn A Twisting is added by Therefore, weaving is performed by supplying the added yarn as the warp yarn to the loom 3, and the belt-like fabric after weaving is passed to the winding roller 4.
It is wound up by.

In the above embodiment, the tension adjustment member 27 that adjusts the tension using the resiliency of the spring 30 is provided, but other methods may also be used, such as those using magnets or gravity. Of course, it is also possible to provide the following. In addition, spring 3
If 6 is too strong, the compression spring may be replaced with an extremely weak extension spring, or it may be omitted. In addition, Snell wire 33,
Eyelets 34 and 35 may be made of alumina or titanium porcelain. Furthermore, the fryer tension adjustment devices 27, 24a are not used if too much tension is applied.

As explained above, the creel of the present invention is equipped with a spindle that rotates the bobbin wound with unfinished yarn, so that the unfinished yarn is twisted at the same time as it is sent to the loom, and therefore the unfinished yarn is twisted in advance. It eliminates the need to use threads that have been threaded, eliminates the various inconveniences associated with using threads, such as waste of thread and the trouble of connecting threads together during weaving, and also eliminates the need for the rewinding process after threads have been threaded. The manufacturing efficiency can be improved by omitting the warping process. In addition, the spindle is equipped with a means (transmission) to adjust the rotational speed of the bobbin, making it easier to change the degree of twist during the weaving process, which was previously impossible, and improving the texture of the product. It is. Furthermore, the yarn can be stably fed to the loom using the flyer and the unraveling tension adjusting means (unraveling tension adjusting member).

In addition, since the yarn is fed to the loom after being twisted, it is possible to produce products with excellent texture, resistance to abrasion, and superior quality. Since the threads do not become rough, products of better quality can be obtained.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention; FIG. 1 is an overall view, FIG. 2 is a partial front view, FIG. 3 is a side view of one end, and FIG. 4 is a partially cutaway view of the main part. FIG. DESCRIPTION OF SYMBOLS 1... Creel main body, 2... Bobbin, 3... Loom, 6... Motor, 7... Bobbin rotation speed adjustment means (transmission), 17... Spindle drive shaft, 21... Spindle, 26... flyer, 2
7...Kojiyo tension adjustment means (Kojiyo tension adjustment member).

Claims (1)

[Claims] 1. In a creel in which a required number of bobbins wound with unfinished yarn are arranged and the unfinished yarn is drawn out from the bobbins and supplied to a loom, the bobbin is supported on the main body of the creel and the unfinished yarn is wound. a spindle that rotates the bobbin so as to simultaneously apply tension while feeding the yarn to the loom, and a flyer rotatably provided on the spindle that applies tension to and loosens the yarn drawn from the bobbin; A creel characterized in that a means for finely adjusting the thread unwinding tension is provided between the bobbin and the flyer, and a means for adjusting the rotational speed of the bobbin is provided on the spindle.