JPS63165274A - Winding device for synthetic fiber filament - Google Patents

Abstract

PURPOSE:To improve reliability through a simple device, by a method wherein the thread contact part of a tail forming guide is rotatable, and through tension of a winding filament, the thread contact part is rotated and the tail is wound during a time in which the filament makes contact with the thread contact part. CONSTITUTION:A filament Y1 wound by a given amount around a bobbin A is cut and grasped by means of a thread catching cutting tool 21 mounted to a spindle (b), a tail Y4 is automatically around the end part of a bobbin B at a speed vector at which the filament is carried to traverse fulcrum 2. In this case, through movement of an introduction guide 11, the filament is forced to pass a traverse area, the running filament Y1 is brought into contact with a thread contact part 13 of a table guide support 17 at a speed vector at which it is carried to a traverse fulcrum 2. The filament is turned so that it is inclined upward, and the tail Y4 is formed the portion, located in the vicinity of the end part, of the bobbin B. The filament Y 1 is further moved at a speed vector, and when the filament is released from contact with the thread contact part 13, it is carried to a traverse area, and it is wound around the bobbin B with the aid of a traverse part 3 to form a package. This constitution performs winding of a tail with high reliability through a simple device.

Description

Detailed Description of the Invention <Industrial Application Field> The present invention relates to a winding device for synthetic fiber yarn, and more specifically, a bobbin is attached to each of a plurality of spindles, and a bobbin is attached to each of the plurality of spindles. The present invention relates to a synthetic fiber yarn winding device that is provided with a mechanism that forms a tail at the end of a bobbin when the spindle is alternately switched to wind the yarn to form a package.

<Prior Art> Conventionally, as a device for forming a tail at the end of a bobbin forming a package, devices described in, for example, Japanese Patent Publication No. 57-25466 and Japanese Patent Publication No. 57-38504@ are known.

The device described in Japanese Patent Publication No. 57-25466 is a device that moves a rotating spindle in the axial direction to form a tail near the end of the bobbin.
The device described in Publication No. 38504 holds the yarn with a yarn holding device and transfers the yarn from the yarn catching and cutting area to the package forming area, and the transfer speed during this transfer is controlled by using a cylinder. In some cases, a tail is formed near the end of the bobbin by performing the process in two stages.

<Problems to be solved by the invention> The device described in the above-mentioned Japanese Patent Publication No. 57-25461 has the following problems:
This is a device that moves the rotating bobbin holder in the axial direction to form a tail.Moving the rotating bobbin holder in the axial direction requires extremely complicated mechanical construction, and the rotation is required when the spindle moves or when winding at high speed. This has the disadvantage that vibration occurs and the package loses its shape.

The loss of shape of the package becomes more noticeable when the yarn winding speed is increased.

The above-mentioned rotational vibration can be eliminated to some extent by providing a vibration prevention mechanism and by manufacturing each part of the winder with high precision, but in this case, the disadvantage is that the equipment cost required for high precision parts is enormous. There is.

Furthermore, when the tail is formed by moving the spindle, the length of the yarn wound as a tail is several times to several tens of times longer than the length of the tail required in the subsequent process. It required work to make it a certain length. The task of making the tail a certain length is done after the package is removed from the winding device, but after unwinding all the yarn that was wound for the tail, winding a roughly constant amount of yarn again is called tail setting. It is done by doing. In this case, if there are many threads for the tail, it will take a long time to unwind the threads, and all unnecessary threads will become waste threads. That is, it has the drawbacks that the work becomes complicated and the amount of waste yarn increases.

Furthermore, when winding the yarn around the bobbin, the winding of the yarn moves to the package forming area after winding the tail, but the spindle cannot move suddenly. Therefore, after winding the tail, the transition angle of the yarn to the package forming area is small, and when performing tail setting, when all the yarns wound for the tail are unwound, the yarn wound on the innermost layer of the package forming area In this case, since the transition angle of the yarn is small, yarn breakage may occur, which has the disadvantage of degrading the quality of the tail.

In the case of the device described in the above-mentioned Japanese Patent Publication No. 57-38504, a cylinder is used as a means for moving the thread holding device that holds the thread, and the moving speed of the cylinder is set in two stages to move the bobbin. A tail is formed near the end, but the yarn winding speed is 3.0OOTrL
Tail formation is possible with commonly used winding devices of less than 1/min.

When the yarn winding speed is about 3,000 m/min, this is possible by making the relationship between the moving speed of the yarn holding device by the cylinder and the yarn winding speed extremely accurate. This requires a huge amount of man-hours for maintenance, which is economically disadvantageous, and the yarn is in sudden contact with the surface of the yarn holding device, and the fixed surface causes strong abrasions on the yarn while it is running, making it difficult to use as a product. It has the disadvantage of deteriorating the quality of the tail yarn to be used.

In addition, the yarn winding speed is high, for example, 3.000rrt.
If the speed exceeds 1 minute, the movement of the cylinder cannot follow the winding of the yarn at all, making it difficult to form a tail.

The present invention aims to solve the above-mentioned drawbacks of the prior art, and aims to form a tail near the end of the bobbin in a synthetic fiber package that is wound at high speed, thereby improving the quality of the yarn wound as a tail. The object of the present invention is to provide a synthetic fiber winding device that can maintain the quality of the yarn at the same level as that of the yarn wound in the package forming area.

Means and Effects for Solving the Problems The present invention has a spindle section that continuously winds the yarn by alternately switching between the spindle (a) and the spindle (b); In a synthetic fiber yarn winding device that is provided with a traverse section and a traversing fulcrum for making the yarn traverse, a tail forming mechanism is provided between the traversing fulcrum and the traverse section, The tail forming mechanism includes a yarn guiding part that guides the yarn from a traversing area formed between the spindle part and the traversing fulcrum to outside the traversing area, and a yarn guiding part provided between the yarn guiding part and the spindle part. The tail forming guide is provided with a splicing section at a position in contact with the yarn guided outside the traversing area by the yarn guiding section, and the splicing section has only one end. It is rotatably supported by the support part, and only when it comes into contact with the yarn, the other end is tilted by the running tension of the yarn to allow the yarn to pass, and after the yarn has passed, the other end A winding device for synthetic fiber yarn is characterized in that it is formed so as to restore itself to a position in contact with the yarn and remain stationary.

The present invention will be described in detail using the drawings.

1, 3, and 4 are front views of a synthetic fiber yarn winding device according to the present invention, and FIG. 1 shows a yarn winding repackage on a bobbin fitted to a spindle. FIG. 3 shows a state in which the package formation in FIG. 1 has been completed, a punch winding is formed near the end of the package, and the state is immediately before switching the yarn to a new bobbin. The figure shows a state in which a tail is formed near the end of the bobbin prior to forming a package on the bobbin fitted to the spindle. FIG. 2 is a side view of FIG. 1. FIGS. 5(1) to 5(5) are perspective views of the tail forming guide in FIGS. 1 to 4 according to the present invention, and the relationship between the tail forming guide and the yarn at the time when the package formation is completed. This shows that. Figures 6 (1) to (4) are perspective views of the tail forming guide, showing the relationship between the tail forming guide and the yarn at the time of forming the tail near the end of the bobbin prior to forming the package. It is.

As shown in FIGS. 1 and 2, the running yarn Y1 changes its traveling direction by the traversing fulcrum guide 1 and forms a traversing fulcrum 2, and passes through the traversing fulcrum guide 1 to a traverse section 3. It runs while being traversed by a traverse skite 4 provided at , forming a twill band S, and is wound around a rotating bobbin A while touching a touch roll 5 to form a package Y2.

The spindle section 6 in which the bobbin A is provided has a plurality of spindles a and b attached to a turret disk 7, and by rotating the turret disk 7 by 180 degrees, the spindles a and spindles b can be alternately switched. ing.

A bobbin A is fitted into the spindle a, and a bobbin B is fitted into the spindle b.

A tail forming mechanism 8 is provided between the traversing fulcrum 2 and the traverse section 3, and the tail forming mechanism 8 forms a traversing area S formed between the spindle section 6 and the traversing fulcrum 2. The yarn guiding section 9 includes a yarn guiding section 9 that guides the yarn Y1 out of the traversing area S, and a tail forming guide 10 provided between the cough yarn guiding section 9 and the spindle section 6. It consists of a guiding guide 11 and a guiding guide support part 12, and the guiding guide 11 is moved along the guiding guide supporting part 12 from the outside of one side of the traversing area S to the outside of the other side across the traversing area S. .

While the guiding guide 11 crosses the traversing area S, the yarn Y is released from the traverse guide 4.

The tail forming guide 10 is provided with a welding section 13 at a position in contact with the yarn Y1 guided by the yarn guiding section 9, and only one end 15 of the welding section 13 is connected to the support section 14.
The other end 16 of the weaping portion 13 is tilted upward by the tension of the yarn Y1 only when it comes into contact with the yarn Y1. When the inclination of the welded portion 13 reaches a certain angle, the yarn Y1 is released from the welded portion 13 and is roughly moved by the guiding guide 11.

After the thread Y1 has passed, the welding section 13 rotates under the weight of the other end 16 until it comes into contact with the tail guide receiver 17. That is, it is formed so as to be restored to the position where it contacts the yarn Y1.

When the splicing section 13 comes into contact with the yarn Y1, if the yarn Y1 is at high speed and the splicing section 13 is a light boat, the splicing section 13 will tilt to a position where it will not recover due to its own weight. 1 because there is! A stopper 18 is provided at the original possible position. When the yarn Y1 is guided out of the traversing area S by the guiding guide 11, the turret plate 7 is rotated to switch between spindle a and spindle b. the spindle a,
At the time of switching b, the yarn Y1 travels while contacting the yarn stopper guide 20 provided in the yarn chamber interior bar 19, and is punch-wound Y3 onto the package Y2.

After winding a specified amount of yarn Y1 onto the bobbin A fitted into the spindle a to form a package Y2, the state immediately before switching to the bobbin B fitted into the spindle b is as shown in FIG. The yarn Y1 guided to the tail forming guide 10 side by the yarn guiding section 9 continues to travel in contact with the yarn stopper guide 20 even after passing through the splicing section 13, forming a punch WY3 on the package Y2.

After winding the yarn Y1 on the bobbin A and forming the package Y2, the yarn Y1 and the tail forming mechanism 8 are
) to (5) act in the order shown in the figure. After winding a specified amount of yarn Y1 onto bobbin 8, the yarn Y1 continues to travel in the direction of arrow Z as shown in FIG. It is guided toward the formation guide 10 side, that is, toward the arrow R side.

In this case, the welding portion 13 of the tail forming guide 10 is supported by the tail guide receiver 17 and remains stationary. By roughly moving the guiding guide 11 in the direction of the arrow R, the yarn Y1 comes into contact with the welding portion 13 of the tail forming guide 10, as shown in FIG. 5(2). The splicing section 13 is rotatably supported by the support section 14, and is rotated so as to be inclined in the direction of arrow M, that is, upward, due to the tension of the yarn Y1. When the splicing section 13 rotates by a certain angle as shown in FIG. 5(3), the yarn Y1 is guided in the direction of arrow R and passes in front of the splicing section 13. In this case, the splicing section 13 contacts the stopper 18 and does not become perpendicular to the stopper 18, but leaves its center of gravity on the side where the yarn Y is guided by the guiding guide 11, and as the yarn Y passes through, the tension of the yarn Y is exerted. 5(4), the welding portion 13 tilts in the direction of arrow N due to its own weight, and is stopped by the tail guide receiver 17, resulting in the state shown in FIG. 5(5).

By further moving the guiding guide 11 in the direction of the arrow R from the state shown in FIG. The yarn Y1 is cut, and the cut end of the yarn Y1 on the side of the traversing fulcrum 2 is gripped. The end of the cut yarn Y1 on the package Y2 side is the package Y
It is wrapped in 2. After the yarn Y1 is cut and gripped by the yarn catching and cutting tool 21, the guiding guide 11 quickly returns to the position shown in FIG. In order to return the guidance guide 11 to its original position, if another guide (not shown) is used when the yarn catching and cutting tool 21 cuts and grips the yarn Y1, the yarn Y1 is transferred to that guide. The guide may separate from the yarn Y1 immediately after the yarn Y1 is cut and gripped by the yarn catching/cutting tool 21, although it may be done before the yarn Y1 is later cut and gripped. shall be taken as a thing.

It is preferable that the spliced portion 13 is inclined by the running tension of the yarn Y1 when it comes into contact with the yarn Y1, allows the yarn Y1 to pass through it, and restores its original weight when the contact with the yarn Y1 is released. However, after the contact with the yarn Y1 is released, it may be restored by a restoring mechanism (not shown) provided elsewhere. In this case, the restoring force of the restoring mechanism is the yarn Y1
It is necessary that the rotation of the welding portion 13 due to contact with the thread member 13 is not hindered.

The yarn Y1 cut and gripped by the yarn catching/cutting tool 21 provided on the spindle b automatically moves in the direction of the arrow N due to the velocity vector toward the traversing fulcrum 2 and begins to return to the traversing area. The state shown in the figure is reached and the tail Y4 is wound around the end of the bobbin B.

When forming the tail Y4, the running yarn Y2 and the tail forming guide 10 act in the order shown in FIGS. 6(1) to 6(4). As shown in Figure 6 (1), while continuing to travel in the direction of arrow Z, move the guidance guide 11 in the direction of the arrow until it passes through the twilling area and returns to the position shown in Figure 1. , the yarn Y1 moves in the direction of the arrow due to the velocity vector toward the traverse fulcrum 2, and comes into contact with the weaping section 13 which is supported by the tail guide receiver 17 and is stationary, as shown in FIG. 6(2). The spliced portion 13 is rotated so as to be inclined in the direction of arrow M, that is, upward, due to the tension of the yarn Y1. While this splicing section 13 contacts the yarn Y1 and rotates in the direction of the arrow M, the movement of the yarn Y1 in the direction of the arrow is interrupted and a tail Y4 is formed near the end of the bobbin b as shown in FIG. is formed. As shown in Fig. 6(3), the welding section 1
1 rotates and tilts upward, the yarn Y1 becomes the welding part 1.
3, and then moves in the direction of the arrow due to the velocity vector toward the traverse support point 2, as shown in FIG. 6(4). When the welding section 13 is released from contact with the yarn Y1, it rotates in the direction of arrow N due to its own weight and is supported by the tail guide receiver 17 and remains stationary.

The yarn Y1 roughly moves in the direction of the arrow due to the velocity vector toward the traverse support point 2, and after reaching the traverse area S shown in FIG. 1, it is gripped by a traverse guide provided in the traverse section 3 and traversed. Then, it is wound onto bobbin B to form a package.

FIG. 7 is a front view showing how the tail Y4 is formed in the package obtained using the apparatus according to the present invention, showing the length of the tail Y4 and the helix at the tail end Y5 of the portion transitioning from the tail Y4 to the package Y2. angle θ
is also formed substantially constant. The length of these tails Y4 and the helix angle θ are determined by the contact time (n/102 seconds, n is a positive number from 1 to 10) of the splicing section 13 of the device according to the present invention with the yarn Y1. be adjusted.

This contact time can be easily adjusted by changing the length of contact between the splicing section 13 and the yarn Y1, the weight of the splicing section 13, etc. In particular, changing the winding speed and the thickness of the yarn to be wound. Even in such cases, the conditions can be easily adjusted to the optimum conditions.

<Effects of the Invention> According to the present invention, the splicing portion of the tail forming guide is made rotatable, and the suction portion is rotated by using the tension of the yarn to be wound, and these yarns and the spliced yarn are rotated. It is an extremely simple device that winds the tail while the two parts are in contact with each other, and the equipment cost is extremely low, and the operation is simple and highly reliable. In addition, the contact time between the splicing section and the yarn can be adjusted as desired depending on the thickness of the yarn to be wound and the winding speed, as well as the length of the suction section and rotational resistance. The bobbin can be adjusted to be wound to any desired length, and once adjusted, can be wound to a substantially constant length, thereby improving the quality and quality of the resulting thread-wound bobbin.

Roughly speaking, the helix angle is large when the yarn transitions from the yarn catching and cutting section to the tail winding section and from tail winding to package winding, and the tail is wound by the required amount. It is possible to form a tail with normal yarn without yarn breakage, and it also has remarkable effects such as making it easier to remove the yarn wrapped around the yarn catch and cutting part.

[Brief explanation of the drawing]

The drawings are all related to the present invention, and FIGS. 1, 3, and 4 are front views of a winding device for synthetic fiber yarn, and FIG. FIG. 3 shows the state in which the yarn is wound to form a package, and FIG. 3 shows the state in which the package formation in FIG. FIG. 4 shows a state in which a tail is formed near the end of the bobbin prior to forming a package on the bobbin fitted to the spindle. FIG. 2 is a side view of FIG. 1. Figures 5 (1) to (5) are perspective views of the tail forming guide in Figures 1 to 4 according to the present invention, and show the relationship between the tail forming guide and the yarn at the time when the package formation is completed. It is. Figures 6 (1) to (4) are perspective views of the tail forming guide, showing the relationship between the tail forming guide and the yarn at the time of forming the tail near the end of the bobbin prior to forming the package. It is. FIG. 7 is a front view showing how a C-pull tail is formed on a package obtained using the apparatus according to the present invention. 199. turn guide, 210. Traverse fulcrum, 3,
,, traverse section, 4 ea+ traverse guide, 500. touch roll, 685. Spindle part, 7
61. Turret board, 800. Tail forming mechanism, 90
0. Yarn guiding section, 10. ,,Tail formation guide, 11
,,,guidance guide, 12. ,,induction guide support part,
13, , Suction part, 14, , Support part, 15.16
．． ,, end, 17. ,,Tail guide receiver,18,,
, S]-Brim 119,, Thread guide bar, 20,...
Thread stopper guide, 21, Thread catching and cutting tool, AXB,
, bobbin, aSb, , spindle, S12. Traverse angle, Y 1 , Yarn, Y 2 , Package, Y 3 , Punch winding, Y 4 , Tail, Y 5 , Tail end, θ09. Helix angle, arrow Z01. Yarn traveling direction, arrow R01, yarn guiding direction, arrow 09. Yarn movement direction, arrow M
, N, , Turning surface of the suction section.

Claims (1)

[Claims] A spindle unit that continuously winds the yarn by alternately switching between the spindle (a) and the spindle (b), a traverse unit that traverses the yarn wound on the spindle unit, and a traverse fulcrum. In the fiber yarn winding device, a tail forming mechanism is provided between the traversing fulcrum and the traverse section, and the tail forming mechanism is configured to traverse the traverse formed between the spindle section and the traversing fulcrum. It consists of a yarn guiding part that guides the yarn from the traversing area to the outside of the traversing area, and a tail forming guide provided between the yarn guiding part and the spindle part, and the tail forming guide is formed by the yarn guiding part. A splicing section is provided at a position in contact with the yarn guided outside the traversing area, and only one end of the splicing section is rotatably supported by a support section. Only by thread running tension, the other end is inclined and the thread is passed through.
1. A winding device for synthetic fiber yarn, characterized in that the device is formed so that after the yarn has passed, the other end returns to a position in contact with the yarn and remains stationary.