JPH10236729A - Doubler - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make a synthetic fiber yarn applicable for a doubler, make individual operation possible in each weight when a plurality of weights are provided, so that a change of shrinkage degree of an elastic yarn and a traverse angle of a winding package can be performed by a simple speed change mechanism. SOLUTION: A width of traverse, when a yarn from each yarn feeder is wound while performing a traverse in a condition doubling the yarn, is adjusted, a taper end mechanism for forming an end face of a winding package P1 in a tapered shape and a creeping mechanism for changing a width of traverse in a pulsation manner are provided. A drive source 12 of a friction roller 8 of a winding mechanism is provided in each weight, a drive source 13 of the creeping mechanism of each weight is made in common by a plurality of weights. A drive source 12 driving the friction roller 8 of the winding mechanism and an elastic yarn delivering roller 7 of the yarn feeder and the roller 7, and the friction roller 8 and a traverse cam mechanism, are respectively connected through a speed change mechanism 14, 16 rewindably winding a belt to both step pulleys.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a yarn winding machine for winding a plurality of yarns together into a package, and to which synthetic fiber yarns can be applied.

[0002]

2. Description of the Related Art Japanese Patent Laid-Open No. 9-25053 discloses a twining machine.
There is one published in the official gazette. This yarn winding machine is provided with two or more sets of yarn supplying devices for supplying yarns, and a winding mechanism for obtaining a package by winding the yarns while traversing the yarns from the yarn supplying devices together. To obtain a package in the form of a straight cheese.

[0003]

This yarn plying machine is applied to a plying of a cotton yarn and an elastic yarn and a plying of cotton yarns, and cannot be applied to a plying of a synthetic fiber yarn. It was.
This is because, when the composite yarn of the synthetic fiber yarn is wound into a package of a straight cheese form, the yarn is frayed from the end face of the package, which causes a problem that the unwinding in the next step cannot be performed smoothly and the yarn breaks. .

Accordingly, the present invention has been devised to provide a twining machine which can apply a synthetic fiber yarn.

[0005]

Means adopted by the present invention according to claim 1 to enable application of synthetic fiber yarns are as follows:
A yarn winding machine having two or more sets of yarn feeding devices for feeding yarns, and a winding mechanism for winding the yarns while traversing the yarns from the yarn feeding devices together to obtain a winding package. , A taper end mechanism for adjusting the width of the traverse to taper the end surface of the winding package, and a creeping mechanism for pulsatingly changing the width of the traverse. According to the present invention, the end surface of the winding package is formed in a tapered shape by the taper end mechanism, and the ear height of the winding package is eliminated by the creeping mechanism, so that the synthetic fiber yarn plied from the end surface is not frayed. You can get a package.

[0006] The means adopted by the present invention according to the second aspect of the present invention for enabling a single operation of each weight when a plurality of weights are provided and for compactness is the same as that of the first embodiment. A plurality of yarn devices and a winding mechanism are provided, and a plurality of weights are provided. A driving source of the friction roller provided in the winding mechanism is provided for each weight, and a driving source of the creeping mechanism of each weight is shared by the plurality of weights. It is provided as follows. According to the present invention, the friction rollers for each weight can be individually driven to operate independently, and the creeping mechanism of each weight can be driven by a common drive source, so that the drive system is compact.

[0007] The means adopted by the present invention according to the third aspect of the present invention is such that the elastic yarn can be applied and the elasticity of the elastic yarn can be freely changed. A driving source is provided so as to be common to the driving of the friction roller provided in the winding mechanism and the driving of the elastic yarn feeding roller provided in the yarn feeding device, and the driving source and the elastic yarn feeding roller are provided. That is, the two pulleys are connected to each other via a speed change mechanism in which a belt is removably wound. In the present invention, a composite yarn using an elastic yarn can be formed,
The expansion / contraction ratio of the elastic yarn can be changed by changing the speed of the elastic yarn feeding roller by the transmission mechanism.

The means adopted by the present invention according to claim 4 to allow the winding angle of the winding package to be freely changed is provided in the winding machine according to claim 1, 2, or 3 provided in the winding mechanism. The friction roller and the traverse cam mechanism provided in the winding mechanism are connected to each other via a speed change mechanism in which a belt is removably wound around both step pulleys. According to the present invention, the traverse speed can be changed by the speed change mechanism to change the winding angle of the winding package.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows a twining machine according to the present invention.
A description will be given based on the embodiment shown in FIG. The yarn combining machine 1 includes a plurality of weights 1a. Each weight 1a
The three sets of yarn supply devices 2, 3, and 4, and the yarns Y2, Y3, and Y4 supplied from each of the yarn supply devices 2, 3, and 4, are wound together while being traversed in a combined state to obtain a winding package P1. And a winding mechanism 5. The yarn feeding devices 2 and 3
The yarn supply packages P2 and P3 of the synthetic fiber yarns Y2 and Y3 can be mounted. The yarn feeding device 4 is capable of mounting a package P4 of an elastic yarn Y4. The cradle arm 6 which supports the yarn feeding package P4 in a horizontal state and can swing up and down. And a roller 7 for feeding out the yarn Y4. By setting a speed difference between the elastic yarn feeding roller 7 and a friction roller 8 of the winding mechanism 5 described later, the elastic yarn Y4 to be fed is stretched at an appropriate expansion / contraction ratio.

The take-up mechanism 5 includes a cradle arm 24 that swings up and down and supports the take-up package P1, a friction roller 8 that rotates at a set speed in frictional contact with the supported take-up package P1. A traverse guide 9 (see FIG. 2) for traversing the yarn Y1 wound on the winding package P1 is provided. Traverse guide 9
Is connected to an output portion of a traverse cam mechanism 11 (see FIG. 2) incorporated in the traverse cam box 10. The traverse cam box 10 adjusts the width W of the traverse to adjust both ends W1 and P2 of the winding package P1.
a is provided with a taper end mechanism for making a a taper shape, and a creeping mechanism for changing the traverse width W in a pulsating manner to change both ends Wa of the traverse. The tapered end mechanism and / or the creeping mechanism may be configured separately from the traverse cam box 10.

The drive of the yarn combining machine 1 includes a drive source 12 provided for each weight 1a, and a drive source 13 common to a creeping mechanism for the entire weight or a group divided into a plurality of weights. Each of the drive sources 12, 13 is constituted by an electric motor or the like. The drive source 13 is connected to the rotating shaft 17 of the creeping mechanism via a belt or a shaft joint. The drive source 12 provided for each weight 1a is provided with a step pulley 14a, 14b for the elastic yarn feeding roller 7 of the yarn feeding device 4.
Transmission mechanism 1 with a belt 14c wrapped around it
4 and the belt 15 is connected to the friction roller 8 of the winding mechanism 5 by pulleys 15a and 15b.
and c. The transmission mechanism 14 changes the belt 14c,
The expansion and contraction rate of the elastic yarn Y4 fed from the yarn feeding device 4 can be changed.

The drive source 12 and the elastic yarn feeding roller 7 of the yarn supplying device 4 are not directly connected to each other by a speed change mechanism 14, but as shown in FIG. May be linked by That is, the constant speed transmission mechanism 15
Pulley 15a and the step pulley 14a of the transmission mechanism 14
It is joined to the shaft 8a of the friction roller 8.

The friction roller 8 of the winding mechanism 5 has a transmission mechanism 16 in which a belt 16c is removably wound around step pulleys 16a and 16b around an input portion of the traverse cam box 10 of the winding mechanism 5. Connected via
The driving force of the driving source 12 can be transmitted so as to be changeable. The transmission mechanism 16 can change the twill angle of the winding package P1 wound by the winding mechanism 5 by changing the belt 16c.

As shown in FIG. 1, an upper filler 21, a lower balloon guide 20, and an intermediate tensor 22 are attached to a bracket 19 projecting in front of the machine base 18. A entanglement device 23 is attached between the upper filler 20 and the winding device 5 to promote entanglement by blowing high-speed air onto the twine Y1 or the like.

Next, the operation of each weight 1a of the yarn combining machine 1 will be described. In order to wind the supply yarns Y2 and Y3 made of two synthetic fibers together with one elastic yarn Y4, the paper tube P1b for forming the winding package P1 is gripped by the cradle arm 24 of the winding device 5. And the yarn feeder 2,
The yarn supply packages P2, P3, and P4 are attached to 3, 4 respectively.
Next, the yarn feeders Y2 and Y3 are passed through the lower balloon guide 20 and the tensor 22 and are combined with the elastic yarn Y4 before the entanglement device 23, and the yarn is hooked on the paper tube P1b via the entanglement device 23. Subsequently, the drive source 12 is activated to rotate the friction roller 8 of the winding device 5 and the elastic yarn feeding roller 7 of the yarn supplying device 4. P1b is supplied to the friction roller 8, and a yarn supply package P4 for elastic yarn is provided.
Are pressed against the feeding roller 7, and the two are forcibly rotated by the friction drive. With this, each yarn supply package P2
The yarns Y2, Y3, and Y4 from P3 and P4 are wound around the paper tube P1b while being pulled.

At this time, the yarns Y2 and Y3 of the yarn supply packages P2 and P3 are unwound at a speed substantially corresponding to the rotation speed of the friction roller 9, and are wound while being appropriately tensioned by the tensor 22. Since the rotation speed of the yarn supply package P4 is regulated by the feeding roller 7 having a rotation speed lower than that of the friction roller 8, the elastic yarn Y4 is stretched at an appropriate expansion and contraction ratio, and The yarns are wound together with the yarns Y2 and Y3.

The winding package P formed by the winding device 5
1 is a tapered end mechanism in which both end faces are formed in a tapered shape and a creeping mechanism is formed in a state without ear height, so that the synthetic fiber yarn is finished so as not to be frayed from each end face. When changing the expansion and contraction rate of the elastic yarn Y4 according to the type of the elastic yarn Y4 and the specification of the composite yarn Y1, the belt 14c of the transmission mechanism 14 is appropriately changed and changed. Further, when changing the twill angle of the winding package P1, the belt 16c of the transmission mechanism 16 is appropriately changed and changed.

Each weight 1a of the yarn combining machine 1 is used not only when a synthetic fiber yarn is combined with an elastic yarn, but also when a combined yarn package is formed of, for example, only three or two synthetic fiber yarns. Can of course be used. In this case, if the belt 14c of the transmission mechanism 14 is removed, no extra power is consumed.

[0019]

As described in detail above, the twining machine according to the present invention has the following excellent effects.

According to the first aspect of the present invention, it is possible to obtain a winding package in which the yarn is not frayed from the end face, so that it is possible to apply a synthetic fiber yarn, and it is possible to expand the applicable range of the fiber in the plying machine. According to the second aspect of the present invention, independent operation of each weight can be performed with a compact drive system, so that operability can be improved.

According to the third aspect of the present invention, even when an elastic yarn is applied, the expansion and contraction rate of the elastic yarn can be freely changed by a step-pulley type speed change mechanism having a simple structure. Can be expanded. According to the fourth aspect of the present invention, since the winding angle of the winding package can be changed by the step pulley type speed change mechanism having a simple structure, the applicable range of the fiber in the plying machine can be expanded.

[Brief description of the drawings]

FIG. 1 shows an embodiment of the present invention, and is a side view in which a part of a plying machine is omitted and cross-sectioned.

FIG. 2 is a drive system diagram according to the embodiment.

FIG. 3 is a drive system diagram showing another embodiment of the twining machine according to the present invention.

[Explanation of symbols]

2, 3, 4 ... Yarn feeding device 5 ... Winding device 7 ... Elastic yarn feeding roller 8 ... Friction roller 9 ... Traverse guide 11 ... Traverse cam mechanism 12, 13 ... Drive source 14, 16 ... Transmission mechanism Y2, Y3 , Y4 ... thread P1
... winding package P1a ... end surface W ... traverse width

Claims (4)

[Claims] 1. A yarn feeder comprising: two or more sets of yarn feeding devices for feeding yarns; and a winding mechanism for winding the yarns while traversing the yarns from the yarn feeding devices together to obtain a winding package. The yarn winding machine provided with a taper end mechanism for adjusting the width of the traverse to taper the end surface of the winding package, and a creeping mechanism for pulsatingly changing the width of the traverse. And a twining machine. 2. A plurality of weights each including a plurality of the yarn feeding device and the winding mechanism, a driving source for a friction roller provided in the winding mechanism is provided for each weight, and the creeping mechanism of each weight is driven. 2. The yarn winding machine according to claim 1, wherein the source is provided so as to be common to a plurality of weights. 3. A driving source common to driving of a friction roller provided in the winding mechanism and driving of an elastic yarn feeding roller provided in the yarn feeding device, wherein the driving source and the elastic yarn feeding roller are provided. 3. The yarn combining machine according to claim 1, wherein the first and second belts are connected via a speed change mechanism in which a belt is removably wound around both step pulleys. 4. 4. A friction roller provided in the winding mechanism and a traverse cam mechanism provided in the winding mechanism are connected via a speed change mechanism which is wound around both step pulleys such that the belt can be changed. The twining machine according to claim 1, 2 or 3.