JP2795266B2 - Yarn splicing 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 which is attached to a winding device for various yarns, is arranged on a yarn path from a yarn supplying section to a winding section, and catches a yarn end to perform yarn splicing. It relates to a relay device.

[0002]

2. Description of the Related Art A yarn splicing device of this type includes a yarn splicing unit disposed in a yarn path from a yarn feeding section to a winding section, and a yarn splicing device that captures the yarn on the yarn feeding section and pivots the yarn. A first yarn end capturing member for carrying the yarn to the piecing unit, and a second yarn end capturing member for capturing the yarn on the winding section side and carrying the yarn to the piecing unit by swiveling motion. It is used for various winding devices such as a winding unit.

Next, a winding unit of an automatic winder will be described as a typical example of a winding device to which a yarn joining device is attached. A yarn feeding bobbin produced by a spinning machine such as a ring spinning machine is supplied to an automatic winder in the next process and is rewound to remove a yarn defect in the middle of the yarn and to form a package of a predetermined shape with a predetermined amount of yarn. Will be rewound. Usually, several to several tens of yarn supplying bobbins are used to obtain one package.
This automatic winder has a number of winding units arranged in parallel. The device arrangement of one winding unit U will be described with reference to FIG.

In FIG. 4, a yarn Y unwound from a yarn supplying bobbin (yarn supplying portion) 1 is provided with a balloon breaker 2, an optical filler 3 for detecting the presence or absence of a yarn, a cutter 4, a disk tension for automatic adjustment. The traverse drum 7 passes through a yarn defect detection head that checks and cuts a yarn defect as in the device 5 and the clearer 6, and is wound around a winding package (winding unit) P. The winding package P is rotatably supported at both ends of the paper tube 8 by the cradle 9. Further, on the large diameter side of the cradle 9, a friction roller 10 slightly larger than the diameter of the large diameter end of the paper tube 8 is provided, and at the beginning of winding of the winding package P, the friction roller 10 and the drum 7 contact and rotate. The yarn Y is wound up.

[0005] The yarn signal of the clearer 6 is input to a unit controller (not shown). When there is a yarn defect such as slab, thick yarn, or thin yarn, the unit controller
The thread is immediately cut and removed by a cutter built in the clearer 6. Then the suction mouse (2nd
The yarn end catching member 13 is rotated toward the winding package P,
At the same time, the drum 7 is rotated in the reverse direction to capture the upper thread, and the suction mouth 13 is rotated downward in the figure to guide the upper thread to the piecing unit 15. Further, the relay pipe (first yarn end capturing member) 14 is rotated to the vicinity of the filler 3 so that the filler 3
The lower thread that has passed through is caught, and the relay pipe 14 is rotated upward in the figure to guide the lower thread to the yarn joining unit 15.
Then, after the upper thread and the lower thread are spliced by the splicing unit 15, the drum 7 is rotated to resume winding.

As described above, the yarn splicing device includes a yarn splicing unit 15, a relay pipe (first yarn end catching member) 14, and a suction mouth (second yarn end catching member) protruding from the side surface of the base 11. 13), and has a function of catching the yarn on the yarn supplying bobbin 1 side and the yarn on the winding package P side, carrying the yarn to the yarn splicing unit 15, and performing the yarn splicing by the yarn splicing unit 15. . The splicing unit 15 is attached to the side surface of the base 11 via a box 15a, and a cut portion 15b is provided at the base of the box 15a to allow the suction mouth 13 to escape from the turning arm 13b.

As shown in the figure, a suction mouth (second yarn end capturing member) 13 is provided with a short turning shaft 13a protruding from the base 11, and along the base 11 (when the yarn splicing unit 15 is A swivel arm (swirl portion) 13b extending from the left and right of the thread path (to the side of the base 11) as viewed from above, and a suction mouse 13c disposed horizontally at the tip of the swivel arm 13b. The relay pipe (first yarn end capturing member) 14 is
A long turning shaft 14a protruding from the base 11;
Arm (swing portion) 14b extending along the side (to the left or right of the yarn path away from the base 11 when the yarn splicing unit 15 is viewed from the front) and a horizontal member at the tip of the swing arm 14c. , And a suction port 14c attached thereto.

That is, the swivel arm 13b of the suction mouth (second yarn end catching member) 13 and the swivel arm 14b of the relay pipe (first yarn end catching member) 14 are disposed on the left and right of the front of the splicing unit 15. However, the turning surfaces can be turned without interfering with each other (without overlapping).

[0009]

In the yarn splicing device having the above structure, a suction mouth (second yarn end capturing member) is provided.
Since the turning arm 13b of the thirteen and the turning arm 14b of the relay pipe (first yarn end capturing member) 14 are disposed on the left and right of the front of the piecing unit 15, the turning movement of the relay pipe 14 and the suction mouth 13 can be performed. On the other hand, the swivel arm 14b of the relay pipe 14 is disposed at a position away from the base 11, while the swivel surface of the swivel arm 14b of the relay pipe 14 and the swivel of the suction mouth 13 are provided. Since each of the turning surfaces of the arms 13b must be separately arranged so as not to interfere with other devices, the arrangement, shape, and mounting of other devices are restricted, and the entire width of the yarn joining device, that is, the winding unit There was a problem that the whole width of U became large.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems of the prior art, and provides a yarn splicing device capable of easily laying out other components and reducing the overall width. The purpose is to do.

[0011]

According to a first aspect of the present invention, there is provided a yarn splicing unit disposed on a yarn path from a yarn supplying section to a winding section, and a yarn on the yarn supplying section side. A first yarn end catching member that captures and carries the yarn to the yarn splicing unit by swiveling motion, and a second yarn end catching member that captures the yarn on the winding section side and carries the yarn to the yarn splicing unit by swiveling motion. A turning portion of the first yarn end catching member and a turning portion of the second yarn end catching member are provided on one of right and left sides of a yarn path when the splicing unit is viewed from the front. It is characterized by being arranged. When the turning portions of the first and second yarn end catching members are moved to one side, it is advantageous in terms of layout, and it is possible to design to reduce the overall width.

According to a second aspect of the present invention, in the first aspect, the turning portion of the first yarn end catching member and the turning portion of the second yarn end catching member are arranged such that their turning surfaces overlap. Is what it is. When the turning surfaces of the turning portions of the first and second yarn end catching members overlap, the overall width is reduced by the overlap.

According to a third aspect of the present invention, in the first aspect, a base is provided on one of the left and right sides of the yarn path, and a side surface of the base is provided with:
Each of the splicing unit, the first yarn end capturing member, and the second yarn end capturing member protrudes, and a turning portion of the first yarn end capturing member and a turning portion of the second yarn end capturing member are connected to each other. It is arranged on the other side of the route on the side distant from the base. On the side close to the base, there is no turning portion of the first and second yarn end catching members, and it is not necessary to provide a relief for the turning portion.

[0014]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view of the yarn splicing device of the present invention, particularly showing a state where the yarn splicing device is attached to a winding unit of an automatic winder. FIG. 2 is a front view of the yarn joining device of FIG. Parts other than the yarn joining device are the same as those described with reference to FIG. 3, and are denoted by the same reference numerals and description thereof will be omitted.

In FIG. 1, a yarn splicing device 21 includes a yarn splicing unit 2 disposed in a path of a yarn Y from a yarn supplying bobbin (yarn supplying portion) (not shown) to a winding package (winding portion) P.
3 and a first yarn end capturing member 2 that captures the yarn on the yarn supplying bobbin side (not shown) and conveys it to the piecing unit 23 by swiveling.
4 and a second yarn end capturing member 25 that captures the yarn on the winding package P side and conveys the yarn to the piecing unit 23 by swiveling movement as main members.

The first yarn end catching member 24 has a long turning shaft 24a protruding from the base 11 and extends along the side opposite to the base 11 (from the left and right of the yarn path when the yarn splicing unit 15 is viewed from the front). The swivel arm (swirl portion) 24b extends to a side remote from the base 11), and a suction port 24c is attached to the tip of the swivel arm 24c via a horizontal member. The second yarn end catching member 25 includes a long turning shaft 25 protruding from the base 11.
a, a revolving arm (revolving portion) 25b extending along the side opposite to the base 11 (to the left or right side of the yarn path away from the base 11 when viewing the splicing unit 15 from the front), and a revolving arm The suction mouse 25c has a horizontally arranged suction mouse 25c at the end of 25b.

In particular, the turning arm 25b of the second thread end catching member 25 is disposed so that its turning surface overlaps the back surface of the turning arm 24b of the first thread end catching member 24. The distal end portion of the turning arm 25b reaching the mouse 25c is configured to bend inside the turning arm 24b of the first thread end capturing member 24 and pass through to the front surface of the turning arm 24b. That is, as shown in FIG. 2, the turning arm 24b of the first thread end capturing member 24 and the turning arm 25b of the second thread end capturing member 25 are disposed such that their turning surfaces overlap. First, after the first yarn end capturing member 24 turns in the direction, the second yarn end capturing member 25
When they turn in the direction, they do not interfere with each other.

The piecing unit 23 is provided with pivot shafts 24a, 24a of the first yarn end catching member 24 and the second yarn end catching member 25, respectively.
It is mounted via a box 26 in a space surrounded by 5a and revolving arms (revolving parts) 24b, 25b. The swivel arm 24b of the first yarn end capturing member 24 and the swivel arm 25b of the second yarn end capturing member 25 are overlapped, and the overall width of the yarn joining device can be reduced. As a result, the winding unit (winding unit) Device) can be made narrower. Also,
Since the turning portions 24b and 25b do not pass through the base 11, the base 11 does not need to be provided with an escape for the turning portions 24b and 25b. For this reason, wiring and piping to a piecing unit, a tension device, a clearer, and the like can be easily performed. Even if the turning arms 24b and 25b of the first and second yarn end capturing members 24 and 25 do not overlap, if the two are arranged close to each other, the turning surface becomes
3 is only one of the left and right of the thread path when viewed from the front,
Interference with other devices of the yarn joining device and the winding unit is reduced.

FIG. 3 is a front view of a winding unit to which another yarn joining device 22 is attached. 1 is that both the turning shaft 31a of the first yarn end catching member 31 and the turning shaft 32a of the second yarn end catching member 32 are shorter, and the turning arm of the first yarn end catching member 31 is short. 31b and the swivel arm 32b of the second yarn end capturing member 32 extend along the base 11, and both are positioned on the base 11 side of the left and right of the yarn path when the yarn splicing unit 23 is viewed from the front. That is the point. The pivot arm 32 of the second thread end capturing member 32 on the back side
b turns around, and the turning arm 3 of the first yarn end catching member 31
The point appearing before 1b is the same as FIG. Since the turning arms 31b and 32b are on the side close to the base 11, a large cut-out portion 26a is provided at the base of the box 26a for attaching the splicing unit 23 to allow the turning arms 31b and 32b to escape. Have been. When performing wiring and piping to each device, it is necessary to avoid the cut portion 26a.
Can be narrowed, and the width of the winding unit U can be narrowed.

In FIGS. 1 and 3, a case has been described in which the turning arm of the first yarn end capturing member and the turning arm of the second yarn end capturing member are arranged such that their respective turning surfaces overlap. They can be staggered so that they do not overlap. In this case, by bringing the both surfaces as close as possible and disposing the turning surface on one of the left and right sides of the yarn path when the yarn joining unit 23 is viewed from the front, the overall width of the yarn joining device can be reduced.

[0021]

As described above, according to the first aspect of the present invention, the turning portion of the first yarn end catching member and the turning arm of the second yarn end catching member are connected to the yarn joining unit as viewed from the front. By arranging it on one of the right and left sides of the path, the layout of other parts is facilitated, and the width of the entire yarn joining device, that is, the width of the winding device to which the yarn joining device is attached can be reduced. In particular, since the winding device constitutes a winding machine by arranging a large number of weights in parallel, if the winding device of each weight is slightly narrowed, the overall length of the winding machine can be considerably shortened, which is advantageous in layout.

According to the second aspect of the invention, in addition to the effect of the first aspect, the turning portion of the first yarn end catching member and the turning portion of the second yarn end catching member are arranged such that their turning surfaces overlap. As a result, the overall width of the yarn joining device is reduced.

According to the third aspect of the present invention, in addition to the first aspect, the turning portion of the first yarn end catching member and the turning portion of the second yarn end catching member can be arranged along the yarn path when the yarn splicing unit is viewed from the front. By arranging them on the side that is farther from the base between the left and right, wiring and piping to the piecing unit, tension device, clearer, and the like can be easily performed.

[Brief description of the drawings]

FIG. 1 is a perspective view of a yarn splicing device of the present invention.

FIG. 2 is a front view of the yarn joining device of FIG. 1;

FIG. 3 is a front view of a winding unit to which another yarn joining device of the present invention is attached.

FIG. 4 is a front view of a winding unit to which a conventional yarn joining device is attached.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Yarn supply bobbin (yarn supply part) 21, 22 Yarn splicing device 23 Yarn splicing unit 24, 31 First yarn end capturing member 24a, 31a Rotating arm (rotating portion) 25, 32 Second yarn end capturing member 25a, 32a Arm (slewing section) P Take-up package (take-up section) U Take-up unit (take-up device)

Claims (3)

(57) [Claims] 1. A yarn splicing unit disposed in a yarn path from a yarn supplying section to a winding section, and a first yarn that catches the yarn on the yarn supplying section side and conveys the yarn to the yarn splicing unit by swiveling motion. An end catching member, and a yarn splicing device including a second yarn end catching member that catches the yarn on the winding section side and carries the yarn to the yarn splicing unit by swiveling motion. A yarn splicing device, wherein a turning portion and a turning portion of the second yarn end catching member are disposed on one of the right and left sides of a yarn path when the yarn joining unit is viewed from the front. 2. The yarn splicing device according to claim 1, wherein the turning portion of the first yarn end catching member and the turning portion of the second yarn end catching member are arranged such that their turning surfaces overlap each other. 3. The base according to claim 1, wherein a base is provided on one of the left and right sides of the yarn path, and the side of the base includes the yarn splicing unit, the first yarn end capturing member, and the second yarn end capturing member, respectively. And the turning portion of the first yarn end capturing member and the second
The turning portion of the yarn end catching member is a yarn joining device disposed on the other side of the yarn path on the left side and away from the base.