JPH036260B2 - - Google Patents

Description

[Detailed description of the invention]

<Industrial Field of Application> The present invention relates to a device for minimizing fuzz generated in yarn wound onto a package in a double twisting machine. <Prior art> As is well known in the double twisting machine, the yarn is unraveled from the yarn supply package cage in the flyer, enters the spindle shaft core, is appropriately tensioned by the tension device, and is ballooned with high tension on the rotary disk. However, by applying twist, twisting is performed twice in one rotation of the spindle. <Problems to be solved by the invention> By the way, in the above-mentioned double twisting machine,
Especially when the number of yarns to be twisted is three or more,
It was said to have a lot of fluff. When such yarn with a lot of fluff is used in subsequent processes such as looms or sewing, it causes many negative effects such as deterioration of product quality. <Means for Solving the Problems> The present invention includes a first wetting agent applicator provided at the upper end of a rotating spindle that supports a yarn feeding package, and a first wetting agent applicator supported above the first wetting agent applicator. The present invention is characterized in that it consists of two wetting agent application devices. <Function> Using the above-mentioned wetting agent, the ends of the fluffed single fibers are laid down around the yarn, and in this laid-down state, the fluffed single fibers are twisted into the yarn. especially,
In the present invention, the yarn pulled out from the yarn supply package is first coated with a wetting agent by a first wetting agent applicator, and after a balloon is formed, the yarn is coated with a wetting agent by a second wetting agent applicator. Since the wetting agent is reattached, the fluffed single fibers can be twisted extremely efficiently. <Example> Figure 2 shows a double twisting machine to which the present invention is applied,
P is a yarn feeding package placed in the center of the yarn twisting machine. Reference numeral 1 designates a spindle located in a bobbin B of a package P and is rotationally driven by a running belt 2, and reference numeral 3 designates a yarn storage disk that is integrally fixed to the spindle 1. The yarn supply package P is surrounded by a yarn supply cover 4 rotatably supported on the spindle 1 via a bearing (not shown), and a balloon restriction tube 5 fixed to a machine frame (not shown). The yarn feeding cover 4 is kept stationary even when the spindle 1 is rotated by attracting magnets 6 and 7 provided on both the yarn feeding cover 4 and the balloon limiting cylinder 5 to each other. A tensor 9 having two flyers 8, 8 is provided above the spindle 1, and a first wetting agent application device 10, which will be described later, is provided on the tensor 9. Reference numeral 11 denotes a cylindrical body constituting the center portion of the yarn feeding cover 4. The cylindrical body 11 supports the bobbin B around the spindle 1, and also supports the tensor 9 at its upper end. Above the first wetting agent applicator 10, a second wetting agent applicator 40, which will be described later, is mounted on a support bracket 41.
is supported by the machine frame. The yarn Ya pulled out from the yarn supply package P passes through the hole 12 at the tip of one of the flyers 8, passes vertically from above the first wetting agent applicator 10 through the yarn passage 13 formed at the center of the spindle 1, and enters the yarn reservoir Yb. After the thread exits from the thread passage hole 14 formed in the radial direction of the board 3 and draws the balloon while coming into contact with the balloon restriction tube 5.
Yc, after passing through the second wetting agent applicator 40, is wound up into a winding package (not shown). Next, the first wetting agent application device 10 will be explained based on FIG. 1. A pipe-shaped yarn conduit 17 having a yarn guide hole 16 communicating with the yarn passage 13 of the spindle 1 is fixed to the center of the tensor 9, and a yarn conduit 17 that freely rotates around the yarn conduit 17 is attached to the upper end of the tensor 9. The fryer 8 is placed thereon. The first wetting agent applicator 10 is fitted into the yarn conduit 17 by the action of a step 18, and the tube body 2 is provided with a yarn guide hole 19 that communicates with the yarn guide hole 16 of the yarn conduit 17.
0 at the center and stores a wetting agent 21; a lid body 24 having a thread guide hole 23 at the center that closes the opening of the container 22; Wicking member 2 for wetting agent 21 hanging down inside
5, inserting the upper end of the suction member 25 into the bottom surface,
and a porous member 27 having a funnel-shaped opening 26 in the center that communicates with the thread guide hole 23 of the lid body 24, and a cap 28 having an opening of an arbitrary diameter whose lowest diameter is the diameter of the funnel-shaped opening 26. It is composed of The lid body 24 has an annular groove 30 into which an annular seal member 29 is fitted, one or more wetting agent supply holes 31 formed at the bottom of the annular groove, and an annular flange projecting upward. 32 and an insertion hole 33 through which the suction member 25 is inserted. The porous member 27 is made of a wear-resistant material such as various sintered materials or polyolefin synthetic resin, and has an annular groove 34 on its lower surface into which the upper part of the suction member 25 is fitted. ing. The suction member 25 sucks up the lubricant 21 stored in the container 22 by capillary action and wets the porous member 27. Therefore, it is made of a porous material such as a sponge, sintered metal, felt, etc., which has a continuous air hole and which causes a capillary action. As long as it is of good quality. Note that the wetting agent is removed from the porous member 27 due to the contact between the thread Ya and the surface of the funnel-shaped opening 26, but the amount of wetting agent corresponding to the amount of removed wetting agent is
It is immediately sucked up by the suction member 25 and replenished automatically, and the porous member 27 is always kept in a constant wet state. Next, the second wetting agent application device 40 will be explained based on FIG. 1. A porous member 44 is inserted into a cylindrical member 43 having an edge 42 inside the lower part. A thread guide hole 45 is formed in the center of the porous member 44, and the lower part of the hole 45 has a funnel-shaped opening 4 on the outside.
6, and a communication member 47 is provided on the upper surface of the member 44.
An annular groove 49 for fitting one end 47a is formed, the center of the upper surface protrudes 48, and the thread guide hole 45
The thread path is lengthened (see Figure 4). The connecting member 47 is inserted into a guide tube 50 fixed to the cylindrical member 43, one end 47a of which is bent into an annular shape and fitted into the annular groove 49 (see FIG. 3), and the other end 47b is a reservoir. It hangs down into a tank 51 and is immersed in a wetting agent 52 . A bracket 41 is fixed to the guide tube 50, a block 54 is integrally fixed to the bracket 41, and the block 54 is connected to a rod 55 installed across a plurality of double twisting machines arranged in parallel.
is inserted and screwed 56. The storage tank 51 is fixed to the frame 57 of the machine via a bracket 58. The thread Yc runs in contact with the inner surface 44a of the funnel-shaped opening of the porous member 44, and the contact point serves as a fulcrum for ballooning of the thread. Therefore, this second wetting agent application device 40 is installed at a position where desired ballooning can be obtained. The porous member 44 is made of a friction-resistant material such as various sintered materials or polyolefin synthetic resin, and the communicating member 47 is made of a capillary tube such as sponge, sintered metal, or felt having communicating holes. Use a porous material that causes the phenomenon. Note that the storage tank 51 may be installed individually in each double-twisting machine as described above, or a gutter-shaped storage tank may be provided spanning consecutive double-twisting machines to supply the wetting agent at one location. You may also do so. Since the porous member 44 has the above-described shape, ballooning of the yarn is performed smoothly in the funnel-shaped opening 46, and the contact area between the porous member 44 and the yarn is increased by the extension portion 48. , the yarn wetting effect and fluff pressing effect are increased. In the double twisting machine of the embodiment configured as above, the yarn Ya unraveled from the yarn supply package P by the flyer 8 passes through the single axis of the spindle, and is ballooned with high tension by the rotary disk 3. The thread is guided by the thread guide hole 45 of the second wetting agent applicator 40 and wound into a package (not shown). Every time the spindle 1 rotates once, one twist is applied within the spindle axis after the porous member 27 of the first wetting agent applicator 10, and one twist is applied by ballooning outside the yarn feeding package P. Ru. The yarn Yb, which has been applied with the wetting agent 21 by contacting the first porous member 27, is twisted within the spindle 1 and ballooned, and is then applied with the wetting agent 52 by contacting the second porous member 44. Twisted. According to experiments, a large number of twists are imparted to the yarn by ballooning in a concentrated manner from in front of the second wetting agent application device 40 to the guide roller 53. In the first coating device 10, by attaching a wetting agent 21 to the yarn Ya, the ends of the single fibers, which are fluffed due to the surface tension of the wetting agent 21, are attached to the periphery of the yarn body in a horizontally laid state. By applying twist to the yarn body, the fluff is twisted into the yarn. Further, in the second application device 40, the ends of the fluffed single fibers are laid down on the thread body, and the ends of the single fibers are twisted into the thread body. Table 1 shows that the yarn type is cotton Ne60/3 and the number of twists is 730.
Twist/m (meter), spindle rotation speed
It shows the relative index of the number of fuzz measured under the condition of 9000 rpm. The measuring device is “Shikibo F-
INDEX's fluff counter is used, water is used as a wetting agent, and fluff lengths of 1 mm or more are measured.

[Table] In addition, the above "〇" mark indicates that the coating device in question is
The number of fluffs in each type is a relative index, with the number of fluffs in type () being ``100''. In addition, the fluff length is 2
Although measurements were also carried out for objects larger than mm or 3 mm, the results were not much different from those in Table 1 above, so I will not record them here. According to the above Table 1, the superior effect of the second coating device 40 can be seen by comparing Type () and Type (). Therefore, it seems that twisting the fluff while it is lying down is more effective in suppressing fuzz than twisting it after it is laid down. Also, according to type (), it can be seen that the best results are obtained when two coating devices are used. Note that the present invention is not limited to the above embodiments,
For example, the shape of the porous member 44 may be simply a ring shape, or a conventional balloon guide may be used to spray the wetting agent in the vicinity of the front and rear of the porous member 44, for example. <Effects of the Invention> As explained above or as can be seen from the experimental results, according to the present invention, a high-quality yarn with little fuzz could be obtained. That is, according to the present invention, the yarn pulled out from the yarn supply package is coated with a wetting agent in the first wetting agent applicator, so that the ends of the single fibers, which are fluffed, are affected by the surface tension of the wetting agent. Since twisting is applied after the yarn is attached in a horizontally lying state around the yarn main body, the fluff is twisted into the yarn, and the remaining fluffed single fibers are further removed in the second wetting agent applicator. The ends are laid down on the main body of the thread as it is twisted, resulting in an extremely high quality thread with little fuzz.

[Brief explanation of drawings]

FIG. 1 is a vertical sectional side view showing a wetting agent applicator according to the present invention, FIG. 2 is a partially vertical front view showing a double twisting machine employing the present invention, and FIG. 3 is a perspective view showing a communicating member. FIG. 4 is a perspective view showing the porous member. 40... Wetting agent application device, 44... Porous member, 52... Wetting agent, Ya, Yb, Yc... Thread.

Claims (1)

[Claims] 1 a first wetting agent applicator provided at the upper end of a rotating spindle supporting a yarn feeding package;
a second wetting agent applicator supported above the wetting agent applicator; the yarn pulled out from the yarn supply package passes through the first wetting agent applicator and is coated with a wetting agent, and is deposited in the central yarn path of the spindle. A fluff suppressing device for a double twisting machine, characterized in that after passing through the thread, the yarn exits to the outside to draw a balloon, and then a wetting agent is applied again by a second wetting agent applicator.