JP3261595B2 - Yarn winding device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a yarn winding device capable of automatically winding a yarn represented by a synthetic resin monofilament as a linear yarn bundle.

[0002]

2. Description of the Related Art Conventionally, when winding a yarn such as a synthetic resin monofilament or a multifilament, a tension winding is simple and an inexpensive torque motor is used to wind a bobbin, a square reel and a large skein. It was done using.

[0003] By the way, monofilaments used for toothbrushes, hairbrushes, industrial brushes and the like have a greater bending rigidity than multifilaments used for ordinary clothing. There is a problem that not only is the bending habit easily formed, but it is extremely difficult to recover the bending habit.

Further, when the yarn is a monofilament, it is difficult to cut the yarn wound on the winding frame.
Disadvantages such as the yarn being disturbed when it is removed from the winding frame, and the outer and inner layers of the winding frame having irregular lengths, making it difficult to cut the removed yarn to the same length. was there.

Therefore, conventionally, when winding this kind of monofilament, the yarn is wound around a large square reel or skein frame, and a yarn bundle obtained by cutting a part of the winding frame is taken out.
After forming a straight thread, remove the turbulence with a brush, and after aging for several days to eliminate bending habit, cut both ends of the yarn bundle to a certain length. It is necessary to align them, and each of these operations must be performed manually, which makes automation difficult and reduces production efficiency.
This involved the problem of increasing costs and man-hours.

[0006]

SUMMARY OF THE INVENTION The present invention has been achieved as a result of study to solve the above-mentioned conventional problems.

Accordingly, an object of the present invention is to provide a yarn winding device capable of automatically winding a yarn represented by a monofilament as a linear yarn of a desired length. .

[0008]

In order to achieve the above object, a yarn winding device according to the present invention comprises a pair of parallel yarns guided by a yarn guide while reciprocating by a yarn guide. A yarn winding device for winding a linear yarn bundle between grippers, wherein the yarn guide section includes a linear frame substantially corresponding to an interval between the pair of yarn grippers and these linear frames on both sides. An elliptical rail frame obtained by integrating a curved frame to be connected, an endless chain incorporated in the rail frame, a drive motor for rotating the chain into the rail frame via a gear, And a yarn guide fixed to a part of the chain.

[0009]

Since the yarn winding device of the present invention is constructed as described above, it is possible to automatically wind a linear yarn between a pair of yarn gripping bodies.

Therefore, according to the yarn winding device of the present invention, it is not necessary to use a winding frame, and it is possible to efficiently wind a yarn having no habit and disorder as a linear yarn. It is easy to remove the straight thread from the thread gripper, and the straight thread is simply cut to the desired length as it is, without any treatment, maintaining excellent linearity. Therefore, it can be efficiently supplied to applications such as a toothbrush, a hairbrush and an industrial brush.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the yarn winding device of the present invention will be described below in detail with reference to the drawings.

FIG. 1 is a perspective explanatory view showing an embodiment of a yarn winding device of the present invention, FIG. 2 is a partially enlarged perspective view of a yarn guiding portion in FIG. 1, and FIG. 3 is a yarn gripping member in FIG. 3 is a partially enlarged perspective view of FIG.

In FIG. 1, a yarn guide portion 10 of a yarn winding device according to the present invention includes a linear frame 11a substantially corresponding to a distance between a pair of yarn grippers 21 and 21, and these linear frames 11a are connected on both sides. An elliptical rail frame 11 integrally formed with a curved frame 11b, an endless chain 12 incorporated in the rail frame 11, and rotating the chain 12 into the rail frame 11 via a gear 15. The drive motor (torque motor) 13 includes a thread guide 16 fixed to a part of the chain 12.

That is, the rail frame 11 is formed by integrating a vertically parallel straight frame 11a and a pair of curved frames 11b connecting the straight frames 11a on both sides.
A reciprocating yarn path for the yarn 1 is formed in the opening 11c surrounded by the curved frame 11b, and the length of the interval between the curved frames 11b is substantially equal to the interval between a pair of yarn gripping bodies 21 described later. Yes, it is.

Then, as shown in FIG.
The one straight frame 11a and the curved frame 11b have a hollow cross section as a whole, and an endless chain 12 is rotatably incorporated in the hollow portion thereof. A groove 11d for facing the guide 16 is formed over the entire length.

Further, a plurality of rotating rollers 12a are attached to the endless chain 12 at desired intervals as needed in order to more smoothly rotate in the rail frame 11.

The yarn guide 16 comprises a base 16a, a support 16b and a guide 16c.
By attaching and fixing a to a desired portion of the chain 12, the entire circumference of the rail frame 11 is rotated at a desired speed.

The guide portion 16c of the yarn guide 16 is shown in FIG.
As shown in FIG. 7, it is desirable to use a pair of pulling rollers, but in some cases, it can be formed by a pair of hooks instead of the pulling rollers.

Further, one curved frame 11 of the rail frame 11
A gear 15 is inserted into a notch 11e opened on the outer periphery of b and meshes with the chain 12. The gear 15 is connected to a torque motor 13 as a drive motor via a belt 14.

Therefore, the rotation of the torque motor 13 causes the rotation of the chain 12 via the belt 14 and the gear 15, and the rotation of the chain 12 in the rail frame 11.
Is reciprocated along the entire circumference of the rail frame 11.

On the other hand, a pair of thread grippers 21 and 21 are arranged in parallel to face the rail frame 11, and the distance between the thread grippers 21 and 21 is the curved frame 11b of the rail frame 11. The distance substantially corresponds to the interval between −11b, that is, the length of the bundle of the yarn 2 wound in a straight line.

According to the above arrangement, the tip of the yarn 1 sent out from the spinning machine, the drawing machine or the heat treatment machine at a constant speed is brought into contact with the pair of yarn grippers 2 via the yarn guide 16.
The thread 1 is hooked between 1 and 21, the chain 12 is rotated by the drive of the torque motor 13, and the thread guide 16 is reciprocated, so that the thread 1 is attached to the pair of thread grippers 21 and 21. On the other hand, it is automatically wound up as a linear thread 2 having a length corresponding to the interval between the thread grippers 21 and 21.

In this case, it is desirable that the traverse mechanisms 30 be juxtaposed in order to prevent the yarns 1 from intersecting with each other in the wound linear yarns 2.

That is, as shown in FIG. 1, the traverse mechanism 30 is composed of a traverse motor 31, a scroll cam 32, a scroll groove 33 and a receiving shaft 34. The whole is configured so as to be capable of reciprocating at an appropriate speed in opposition to the pair of thread grippers 21 and 21.

By arranging the traverse mechanisms 30 in parallel, it is possible to form the uniform linear yarn 2 having a constant width and thickness without crossing the yarns 1.

When the traverse mechanism 30 is driven, a variable speed motor or a forward / reverse rotation motor is used as the traverse motor 31, and the reciprocating speed is determined in consideration of the diameter and the number of the yarns 1, the winding speed and the winding width. This is done by controlling the reciprocating speed.

Incidentally, the pair of thread grippers 21 and
1 is a fixed type, after winding the required number of yarns 1, the drive of the yarn guide portion 10 is stopped, and the linear yarn 2 can be removed from the yarn grippers 21, 21. As shown in FIG. 1, a configuration of a take-up / replacement unit 20 that can automatically control the yarn grippers 21 and 21 and the yarn guide unit 1 are provided.
0, the winding switching unit 20 and the traverse mechanism 30 can be controlled by an automatic switching mechanism, whereby more efficient automation can be achieved.

That is, the take-up / replacement section 20 is connected to the rotating shaft 22 disposed opposite the yarn guide section 10, a belt 24 suspended at one end of the rotating shaft 22, and the belt. Turret motor 23, a plurality of pairs (four pairs in the drawing) attached on the periphery of both ends of the rotating shaft 22
Of the thread grippers 21, a limit switch 25 for confirming the position of the thread grippers 21, and a solenoid 26 for fixing the rotating shaft 22 disposed at one end of the rotating shaft 22. ing.

As shown in FIG. 3, each pair of thread grippers 21 is composed of three parts: an arm 21a, a hook 21b and a screw 21c. It is detachable from. By making the hook 21b detachable in this way, when the linear thread 2 is fully wound around the thread grippers 21, 21, the hook 21b can be removed without cutting the linear thread 2. By removing the linear thread 2 from the arm 21a, the straight thread 2 can be recovered from the thread grippers 21 and 21 as it is.

On the other hand, the automatic switching mechanism includes a yarn guide detection sensor 40 disposed at an appropriate position on the rail frame 11, a counter 41 connected to the yarn guide detection sensor 40,
And a turret indicating sensor 42 also arranged at an appropriate position on the rail frame 11.

The yarn guide detection sensor 40 measures the number of times the yarn guide 16 has passed, and counts the result on the counter 4.
Enter 1

The counter 41 has a pair of thread grippers 2
The number of windings for 1 and 21 is input in advance, and when the number of windings reaches the set value, the turret motor 23 of the winding change unit 20 is instructed to perform 1/4 rotation. It has become.

The number of windings for the pair of thread grippers 21 and 21 is also input to the turret indicating sensor 42 in advance, and when the number of windings reaches the set value, the winding change unit 20 An operation is commanded to the solenoid 26.

That is, when receiving an instruction from the turret instruction sensor 40, the solenoid 26
6a is removed from the fixed groove 22a of the rotating shaft 22 and the rotating shaft 22
After rotating by 1/4, the fixing pin 26a is pushed up again to be fitted into the fixing groove 22a, and the function of controlling the movement of the rotating shaft 22 is achieved.

Therefore, by arranging the take-up / replacement section 20, the traverse mechanism 30, and the automatic control mechanism having the above-described configuration in parallel, the straight thread 2 in the pair of thread grippers 21, 21 is fully wound. If it does, the rotating shaft 22 is turned 1/4 in the desired direction, and the yarn 1 can be automatically switched to the next yarn gripping bodies 21a, 21a while the yarn 1 is entangled. A more efficient automatic winding of the yarn 2 can be achieved.

Then, in the above, the yarn gripping body 21-2
By setting the interval of 1 and the interval of the curved frames 11b-11b of the rail frame 11 to a desired interval, usually 1.0 to 3.0 m, particularly 1.2 to 2.5 m, it is possible to cope with the above interval. It is possible to obtain a linear thread 2 having a linear portion in the form of a yarn bundle.

FIG. 1 shows the removal of the straight yarn 2 wound around the pair of yarn gripping bodies 21-21, for example, with the yarn bundle diameter being about 3.0 to 5.0 mm. In the yarn winding device, the fully wound yarn grippers 21 and
In a state in which the thread 1 is stationary, a string is wound several times around both ends and a center part of the linear thread 2 to prevent the thread 1 from being disturbed at the time of a removing operation, and the thread is passed over. After cutting 1, the straight thread (thread bundle) 2 may be removed together with the hook 21b by loosening the screw 21c of the thread gripping body 21.

The hook 21b removed together with the linear thread 2 may be removed when both ends of the thread bundle are cut to obtain a product, and a new hook is attached to the hook portion removed together with the thread bundle. What is necessary is just to attach in 21c.

The linear yarn (yarn bundle) 2 thus obtained
Can be formed into a yarn of a desired length simply by aligning and cutting off both ends thereof, and this yarn maintains excellent linearity without any treatment. For,
For example, it can be efficiently supplied for applications such as toothbrushes, hairbrushes, and industrial brushes.

[0040]

As described in detail above, the yarn winding device according to the present invention is configured as described above, so that a linear yarn can be automatically wound between a pair of yarn gripping bodies. It is possible.

Therefore, according to the yarn winding device of the present invention, it is not necessary to use a winding frame, and it is possible to efficiently wind a yarn having no habit and disorder as a linear yarn. It is easy to remove the straight thread from the thread gripper, and the straight thread is simply cut to the desired length as it is, without any treatment, maintaining excellent linearity. Therefore, it can be efficiently supplied to applications such as a toothbrush, a hairbrush and an industrial brush.

[Brief description of the drawings]

FIG. 1 is an explanatory perspective view showing one embodiment of a yarn winding device of the present invention.

FIG. 2 is a partially enlarged perspective view of a yarn guide section in FIG. 1;

FIG. 3 is a partially enlarged perspective view of a thread gripping body in FIG. 1;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Thread 2 ... Straight thread 10 ... Thread guide part 11 ... Rail frame 11a ... Straight frame 11b ... Curved frame 12 ... Endless chain 13 ... Torque motor 14 ... Belt 15 ... Gear 16 ... Thread guide DESCRIPTION OF SYMBOLS 20 ... Winding change part 21 ... Thread gripping body 22 ... Rotary shaft 23 ... Turret motor 24 ... Belt 25 ... Limit switch 26 ... Solenoid 30 ... Traverse mechanism 31 ... Traverse motor 32 ... Scroll cam 33 ... Scroll groove 34 ... Receiving Axis 40 ... Yarn guide detection sensor 41 ... Counter 42 ... Turret indication sensor

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁷ , DB name) B65H 54/10 B65H 54/56

Claims (3)

(57) [Claims] 1. A yarn winding device for winding a yarn guided while reciprocating by a yarn guide section as a linear yarn bundle between a pair of parallel yarn gripping bodies, wherein the yarn The strip guide section is an elliptical rail frame obtained by integrating a straight frame substantially corresponding to the distance between the pair of thread grippers and a curved frame connecting the straight frames on both sides, and is incorporated in the rail frame. An endless chain, a drive motor for rotating the chain into the rail frame via a gear, and a yarn guide fixed to a part of the chain. apparatus. 2. The yarn winding device according to claim 1, wherein the yarn guide portion is capable of reciprocatingly facing the pair of yarn grippers. 3. A plurality of pairs of thread grippers are mounted on the periphery of both ends of a rotating shaft rotatably arranged opposite to the thread guide, and these thread grippers are at least rotated by the rotation. 2. The system according to claim 1, wherein the shaft is detachable.
Or the yarn winding device according to 2.