JP3211779B2 - Thread traverse device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a method of moving a yarn along a guide member to one end of a guide member by a rotating blade rotating in a predetermined direction, and then moving the yarn in a direction opposite to the rotating blade. At the end of the guide member, the yarn is received at one end of the guide member and moved in the opposite direction by the same rotary blade rotating at the two ends of the guide member. The present invention relates to a yarn traversing device in which a plurality of yarn traversing units for transferring a yarn and traversing the yarn are provided.

[0002]

2. Description of the Related Art Conventionally, a yarn traverse unit having two rotating blades rotating in opposite directions has been arranged such that rotating blades rotating in the same direction are arranged on the same rotating plane.
By arranging so that the rotating circles drawn by the tips of adjacent rotating blades that are arranged in the same rotation plane and rotate in the same direction partially overlap, the yarn traverse unit spacing is reduced,
2. Description of the Related Art There is known a yarn traverse device in which the length of a yarn winder provided with the yarn traverse device is shortened (for example,
Japanese Patent Publication No. 3-72544 and Japanese Patent Publication No. 4-27151).

[0003]

In the conventional yarn traversing device described above, the rotating blades rotating in the same direction are arranged on the same rotating plane, and the adjacent rotating blades rotating in the same direction are arranged in the same direction. Because the rotating circles drawn by the tips are arranged so as to partially overlap, one yarn traverse unit fails and the rotation of the rotating blades stops, or
When the rotation speed of the rotating blades deviates from the rotating speed of the rotating blades of the other yarn traverse unit, adjacent rotating blades arranged on the same rotating plane interfere with each other and collide with each other. There was a problem that the blade was damaged.

[0004] It is an object of the present invention to provide a yarn traverse device which solves the above-mentioned problems of the conventional yarn traverse device and in which the maintenance and inspection work of the yarn traverse device is reduced. .

[0005]

SUMMARY OF THE INVENTION In order to achieve the above-mentioned object, the present invention firstly provides a yarn traversing unit comprising an upper rotating blade and a lower rotating blade which rotate in opposite directions to each other. The rotating plane is made parallel to the rotation axis of the touch roller or the package, and the rotating planes of the upper rotating blade and the lower rotating blade rotating in opposite directions to each other,
All four rotating blades of adjacent yarn traverse units are different and alternately arranged.
Rotation plane of the upper and lower rotating blades of the
Are respectively the same plane, and secondly ,
The upper rotating blade or the lower rotating blade of one of the yarn traversing units of the adjacent yarn traversing unit is inserted between the upper rotating blade and the lower rotating blade of the other yarn traversing unit. Third, the upper rotating blade and the lower rotating blade of the yarn traversing unit arranged in the middle are combined with the upper rotating blade and the lower rotating of the yarn traversing unit arranged alternately. It is arranged above or below the blade.

FIG. 1 is a plan view of a yarn traverse unit constituting the yarn traverse device of the present invention.
FIG. 2 is a vertical sectional view of the yarn traversing unit constituting the yarn traversing device of the present invention along the line I, FIG. 3 is a schematic front view of the yarn traversing device of the present invention, FIG. FIG. 4 is a schematic front view of another embodiment of the yarn traverse device, and FIG. 5 is a schematic front view of still another embodiment of the yarn traverse device of the present invention. However, the present invention is not limited to the present embodiment at all unless it exceeds the gist of the present invention.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS First, a yarn traverse unit U constituting a yarn traverse device will be described with reference to FIGS.

Reference numeral 1 denotes a propeller-shaped upper rotating blade extending symmetrically with respect to the rotation center 1a.
A screw 6 is attached to a rotating cylinder 5 provided on the outer periphery of a cylindrical frame 3 attached to the plate-shaped frame 2 via a bearing 4.
And the like. 7 has the same length as the upper rotary blade 1 and is disposed below the upper rotary blade 1, and has a rotation center 1a of the upper rotary blade 1.
, A propeller-shaped lower rotary blade extending symmetrically with respect to a rotation center 7 a separated by a predetermined eccentric distance e;
The lower rotary blade 7 is attached to the lower end of a rotary shaft 9 disposed in the cylindrical frame 3 via a bearing 8 by a suitable fixing means such as a screw 10.

Reference numeral 11 denotes a guide member for forming a traverse trajectory of the thread y attached above the upper rotary blade 1. The tips of the upper rotary blade 1 and the lower rotary blade 7 Is formed so as to protrude from the arc-shaped yarn guide portion 11a. Further, the eccentric distance e on the line connecting the rotation center 1a of the upper rotary blade 1 and the rotation center 7a of the lower rotary blade 7 is arranged substantially along the thread guide surface 11a of the guide member 11. The guide member 11
Can be arranged below the lower rotating blade 7 or between the upper rotating blade 1 and the lower rotating blade 7.

A spur gear 1 is provided on the outer periphery of the rotary cylinder 5 disposed on the outer periphery of the above-mentioned cylindrical frame 3 via a bearing 4.
2, a spur gear 12 has a bearing 1 inside a cylindrical frame 13 attached to the plate-like frame 2.
The spur gear 16 attached to the lower end of the rotating shaft 15 disposed via the gear 4 meshes. 17 is the rotating shaft 15
Is a pulley attached to the upper end. A spur gear 18 is attached to the rotating shaft 15 located between the pulley 17 and the spur gear 16, and the spur gear 18 is attached to the plate-like frame 2 similarly to the above-described cylindrical frame 13. A spur gear 20 attached to a rotating shaft 19 disposed via a bearing inside a cylindrical frame (not shown) attached.
Are engaged. Further, the spur gear 20 is a spur gear 2 attached to the upper end of the rotating shaft 9 to which the lower rotating blade 7 is attached.
1 is engaged.

Next, the traversing operation and driving of the yarn y of the yarn traverse unit U having the above-described structure will be described.

When the pulley 17 is rotated by a driving belt (not shown), the spur gear 16 is engaged with the spur gear 16 via a spur gear 16 attached to the lower end of a rotary shaft 15 to which the pulley 17 is attached. The gear 12 rotates. When the spur gear 12 rotates, the rotating cylinder 5 to which the spur gear 12 is attached rotates, and accordingly, the upper rotating blade 1 attached to the rotating cylinder 5 rotates.

Further, as described above, when the pulley 17 is rotated by a drive belt (not shown), the flat belt 18 is attached to the intermediate portion of the rotating shaft 15 to which the pulley 17 is attached. The spur gear 20 meshing with the gear 18 rotates. When the spur gear 20 rotates, the spur gear 2
Since the spur gear 21 meshing with the spur gear 0 rotates, the rotating shaft 9 to which the spur gear 21 is attached rotates, and accordingly, the rotating shaft 9
The lower rotary blade 7 attached to the rotary shaft 7 rotates.

As described above, the rotation of the pulley 17
Upper rotating blade 1 via two spur gears 16 and 12
And the rotation of the pulley 17 is transmitted to the lower rotary blade 7 via the three spur gears 18, 20 and 21, so that the upper rotary blade 1 and the lower rotary blade 7 They will rotate in opposite directions.

FIG. 1 shows a case where the upper rotary blade 1 rotates counterclockwise and the lower rotary blade 7 rotates clockwise for convenience. In FIG. 1, the guide y is guided from one end 1b of the upper rotary blade 1 that has moved the yarn y from the left end to the right end of the guide member 11 along the yarn guide surface 11a. The moment of delivery is shown at one end 7b of the lower rotary blade 7 which is located at the right end of the member 11 and rotates clockwise.

The yarn y transferred to the one end portion 7b of the lower rotary blade 7 is applied to the yarn guide surface 11a of the guide member 11.
Along the guide member 11 from the right end to the left end. Next, the thread y moved from the right end to the left end of the guide member 11 by the one end portion 7b of the lower rotary blade 7 rotates from the one end portion 7b of the lower rotary blade 7 to the left end of the guide member 11. Further, the upper rotating blade 1 that is rotating in the counterclockwise direction is transferred to the other end 1c of the upper rotating blade 1 and is moved rightward along the yarn guide surface 11a of the guide member 11.

The yarn y moved from the left end to the right end of the guide member 11 by the other end 1c of the upper rotary blade 1 is moved to the other end 1c of the upper rotary blade 1.
c, the other tip 7c of the lower rotating blade 7 that rotates clockwise and rotates to the right end of the guide member 11.
And is moved leftward along the yarn guide surface 11a of the guide member 11. Thus, the yarn y
Are the upper rotating blades 1 at both ends of the guide member 11.
From the lower rotating blade 7 to the upper rotating blade 1 or from the lower rotating blade 7 to the upper rotating blade 1.
It is configured to be traversed along one yarn guide surface 11a.

In FIG. 2, T is a well-known touch roller or friction roller (hereinafter referred to as “touch roller”) disposed below the yarn traverse unit U. Each of the plurality of yarn traverse units U may be independently disposed, but one touch roller T common to the plurality of yarn traverse units U may be disposed. . P is a package formed by winding the yarn y around a bobbin supported by a support device (not shown). The yarn y is traversed by the above-described yarn traversing unit U, and then is contacted and guided by a part of the peripheral surface of the touch roller T, and the package P is in contact with the touch roller T.
It is wound up.

Next, a yarn traversing device provided with a plurality of yarn traversing units U will be described with reference to FIG.

In this embodiment, two adjacent traverse units U are located on the right side between the upper rotary blade 1 and the lower rotary blade 7 of the traverse unit U located on the left side. The plurality of yarn traverse units U are inserted so that the upper rotating blades 1 of the yarn traverse unit U are inserted.
Are arranged along the touch roller T. Therefore, the rotation planes of the upper rotating blade 1 and the lower rotating blade 7 of the two adjacent yarn traverse units U partially overlap with the rotating planes of the other upper rotating blade 1 and the lower rotating blade 7. Will do. Thus, the rotation plane of the upper rotary blade 1 and the rotation plane of the lower rotary blade 7 of one of the yarn traverse units U constituting the adjacent yarn traverse unit U,
Further, the rotation plane of the upper rotating blade 1 and the rotation plane of the lower rotating blade 7 of the yarn traverse unit U constituting the other yarn traverse unit U are arranged so that a total of four rotation planes are different from each other. Have been.

In this embodiment, when the yarn traverse device is viewed from the front, the rotation plane of the upper rotary blade 1 and the lower rotary blade 7 of each yarn traverse unit U is It is configured to be inclined at a predetermined angle with respect to the rotation axis t1 or the rotation axis of the package P. Therefore, the distance from the rotation axis t1 of the touch roller T or the rotation axis of the package P of each of the yarn traverse units U can be made substantially the same. It can be substantially constant.

Further, a yarn traversing unit group G1 comprising a predetermined number of adjacent yarn traversing units U (in this embodiment, the three yarn traversing units U on the left side form a yarn traversing unit group. G1 is configured.), Each pulley 17 is disposed in the same plane, and each pulley 17 is a single drive belt b1 running on a common plane and hung on each pulley 17.
As described above, the upper rotary blade 1 and the lower rotary blade 7 are configured to rotate in opposite directions to each other. Similarly, each of the pulleys 17 of the yarn traverse unit group G2, which is adjacent to the yarn traverse unit group G1 and also includes a predetermined number of the yarn traverse units U, is arranged in the same plane, and , Each pulley 17 is rotated by one drive belt b2 running on a common plane and hung on each pulley 17. Note that the pulley 17 may be a sprocket, and the drive belt b2 may be a chain hung on the sprocket.

M is a height-adjusting pulley member provided with vertically movable pulleys m1 and m2, which are disposed between two adjacent yarn traverse unit groups G1 and G2. M. Pulley m located above
1 is arranged so as to have the same plane as each of the pulleys 17 arranged in the same plane of the yarn traverse unit group G1, and the pulley m1 located above has a drive running in a common plane. The belt b1 is hung.
The pulley m2 located below is arranged so as to have the same plane as each of the pulleys 17 arranged in the same plane of the yarn traverse unit group G2, and the pulley m2 located below has: One drive belt b2 running on a common plane is hung.

As described above, the drive belt b1 of the yarn traverse unit group G1 is connected to the adjacent yarn traverse unit group G2 via the height adjusting pulley member M.
Of the driving belt b2. Therefore, a driving force from a driving source such as a motor (not shown) is transmitted to the driving belt b1 of the yarn traverse unit group G1, and
Further, it is transmitted to the drive belt b2 of the adjacent yarn traverse unit group G2 via the height adjusting pulley member M. In this manner, the driving force from the driving source is sequentially transmitted to the adjacent yarn traverse unit groups. In FIG. 3,
The square d shown at the lower part of the plate-like frame 2 is the spur gears 12, 16, 18, 2 described with reference to FIGS.
The drive unit for the upper rotary blade 1 and the lower rotary blade 7 composed of 0, 21 and the like is omitted.

When the pulleys 17 of all the yarn traverse units U are rotated by one drive belt, the distance h from the rotation axis t1 of the touch roller T to the pulley 17 of the yarn traverse unit U is reduced. 3, the larger the yarn traverse unit U located to the right, the larger the rotation axis 1 on which the pulley 17 is attached.
5 must be changed for each yarn traverse unit U. In addition, when the length of the rotating shaft 15 is increased, the rotating shaft 15 is deformed by the load of the drive belt, and problems such as eccentric rotation occur.

In the present invention, as described above, when the yarn traverse device is viewed from the front, the rotation plane of the upper rotary blade 1 and the lower rotary blade 7 of each yarn traverse unit U is
A plurality of yarn traverse units U are juxtaposed so as to be inclined at a predetermined angle with respect to the rotation axis t1 of the touch roller T or the rotation axis of the package P. U is a yarn traverse unit group G composed of a predetermined number of yarn traverse units U
1 and G2, and the drive belts b1 and b2 of the adjacent yarn traverse unit groups G1 and G2 are connected via the height adjusting pulley member M. It is not necessary to change the length of the rotation shaft 15 of the unit U, and several types of yarn traverse units U having different lengths of the rotation shaft 15 may be prepared.

As in this embodiment, when the yarn traverse unit groups G1 and G2 are each composed of three yarn traverse units U, three types of rotary shafts 1 are provided.
If you prepare the yarn traverse unit U of 5 different lengths,
A yarn traverse device in which a number of yarn traverse units U are provided in parallel can be configured. The drive belts b1, b2 of the adjacent yarn traverse unit groups G1, G2
Are connected via the height-adjusting pulley member M, the rotating shaft 15 to which the pulley 17 is attached does not become long, and therefore, the rotating shaft 15 is deformed by the load from the drive belts b1 and b2. Nothing to do.

The embodiment shown in FIG. 4 shows that each of the yarn traverse units U1 is used when the yarn traverse device is viewed from the front.
The rotating planes of the upper rotating blade 1 and the lower rotating blade 7 of U4 to U4 are arranged so as to be parallel to the rotating axis t1 of the touch roller T without being inclined, as in the above-described embodiment. . Further, the rotation planes of the upper rotating blade 1 and the lower rotating blade 7 of the yarn traversing units U1, U3 or U2, U4 arranged alternately are made to be the same plane, respectively, and the yarn arranged in the middle. Upper rotating blade 1 or lower rotating blade 7 of traverse unit U2 or U3
The yarn traversing unit U arranged every other above
1, U3 or U2, U4, which is inserted between the upper rotary blade 1 and the lower rotary blade 7. Also in this case, the rotation plane of the upper rotating blade 1 and the rotation plane of the lower rotating blade 7 of one of the yarn traverse units U1 constituting the adjacent yarn traverse units U1 and U2, and the other yarn The rotation plane of the upper rotary blade 1 and the rotation plane of the lower rotary blade 7 of the yarn traverse unit U constituting the traverse unit U2 are arranged so that a total of four rotary planes are all different.

The embodiment shown in FIG. 5 shows that each of the yarn traverse units U1 is used when the yarn traverse device is viewed from the front.
The rotation planes of the upper rotating blade 1 and the lower rotating blade 7 of U4 to U4 are arranged so as to be parallel to the rotation axis of the rotation axis t1 of the touch roller T without being inclined as in the above-described embodiment. Things. Further, the rotation planes of the upper rotating blade 1 and the lower rotating blade 7 of the yarn traversing units U1, U3 or U2, U4 arranged alternately are made to be the same plane, respectively, and the yarn arranged in the middle. The upper rotating blades 1 and the lower rotating blades 7 of the traverse unit U2 or U3 are combined with the upper rotating blades 1 of the yarn traverse units U1, U3 or U2, U4 arranged alternately.
And upper and lower rotating blades 1 disposed above or below the lower rotating blade 7 and adjacent to the yarn traverse units U1 and U2.
Between the rotation planes of the lower rotation blade 7
Each is arranged so as to partially overlap. Also in this case, the rotation plane of the upper rotating blade 1 and the rotation plane of the lower rotating blade 7 of one of the yarn traverse units U1 constituting the adjacent yarn traverse units U1 and U2, and the other yarn The rotation plane of the upper rotary blade 1 and the lower rotary blade 7 of the yarn traverse unit U constituting the traverse unit U2
, A total of four rotation planes are arranged differently.

The operation and effect of the above-described embodiment will be described below.

The rotation planes of the upper rotating blades 1 and the rotation planes of the lower rotating blades 7 of the adjacent yarn traversing units U are arranged so as to partially overlap each other. The rotation plane of the upper rotary blade 1 and the rotation plane of the lower rotary blade 7 of one of the yarn traverse units U constituting the U and the yarn traverse unit U of the other yarn traverse unit U A total of 4 of the rotating plane of the upper rotating blade 1 and the rotating plane of the lower rotating blade 7
Since all the rotation planes are arranged so as to be different from each other, one yarn traverse unit U fails and rotation of the rotation blades 1 and 7 stops, or the rotation speed of the rotation blades 1 and 7 decreases. , The rotating blades 1 of the other yarn traverse unit U
Even when the rotational speed is shifted from 7, the rotating blades 1 and 7 of the adjacent yarn traverse unit U do not interfere with each other and collide with each other.

The rotation plane of the upper rotating blade 1 and the rotation plane of the lower rotating blade 7 of one of the yarn traverse units U constituting the adjacent yarn traverse unit U, and the other yarn traverse unit U The rotation plane of the upper rotating blade 1 and the rotation plane of the lower rotating blade 7 of the yarn traversing unit U constituting a total of four rotation planes are all arranged so as to be different from each other. Since the rotational phase difference between the rotary blades 1 and 7 of the unit U does not interfere with any value, the rotational phase of the rotary blades 1 and 7 of the adjacent yarn traverse unit U is intentionally shifted. No need. However, by shifting the rotation phase difference between the rotating blades 1 and 7 of the adjacent yarn traverse units U by 90 degrees or 45 degrees, a yarn traverse device in which a large number of yarn traverse units U are arranged in parallel. Since the overall driving balance can be improved, the vibration and noise of the yarn traversing device can be reduced.

The rotating shaft 15 to which the pulley 17 is attached
Since only some kinds of lengths are prepared and other members are common to all the yarn traverse units U, maintenance and inspection of the yarn traverse unit U are easy.

Since the rotation planes of a total of four rotating blades constituting the adjacent yarn traverse unit U are all arranged differently, one of the yarn traverse units fails and the rotation of the rotary blade stops. Also, when the rotation speed of the rotating blades deviates from the rotation speed of the rotating blades of another yarn traverse unit U, the rotating blades of adjacent yarn traverse units U interfere with each other. There is no collision and damage.

Since the rotation planes of the total of four rotating blades constituting the adjacent yarn traverse unit U are all arranged differently, the yarn traverse units U can be individually stopped. Therefore, maintenance and inspection work is facilitated.

The rotating plane of the rotating blade is
Alternatively, the yarns are arranged so as to be inclined with respect to the rotation axis of the package P, so that the distance of each yarn traverse unit T from the touch roller T or the package P can be made substantially the same. The traverse condition of the unit U can be made substantially constant.

The rotation plane of the rotating blade is
Alternatively, the upper rotating blade 1 of a pair of rotating blades that rotate in the opposite directions to each other and that are inclined with respect to the rotation axis of the package P and constitute the yarn traverse unit U,
Since the yarn traverse unit U is inserted between the pair of rotary blades of the adjacent yarn traverse unit U, the distance of each yarn traverse unit U from the touch roller T or the package P can be made substantially the same. The traverse condition of the yarn traverse unit U can be made substantially constant.

Adjacent yarn traverse unit group G
1, G2 is driven via the height-adjusting pulley member M, so that the length of the rotary shaft 15 to which the pulley 17 is attached can be shortened.
Can be prevented from being deformed.

Since the rotating blades of the adjacent yarn traversing unit U do not interfere with each other, it is not necessary to use a timing belt or the like to achieve perfect synchronization. Therefore, a less expensive round belt or flat belt can be used. Becomes Further, a drive source such as an electric motor can be provided for each yarn traverse unit U, and each yarn traverse unit U can be driven independently.

[0040]

Since the present invention is configured as described above, the following effects can be obtained.

One of the yarn traverse units has failed and the rotation of the rotary blade has stopped, or the rotational speed of the rotary blade has shifted from the rotational speed of the rotary blade of the other yarn traverse unit. In this case, the rotating blades of the adjacent yarn traversing units do not interfere with each other, collide and break. In addition, the yarn traverse units can be individually stopped, thereby facilitating maintenance work.

Since the rotating blades of the adjacent yarn traverse unit do not interfere with each other, it is not necessary to use a timing belt or the like to achieve perfect synchronization. Therefore, it is possible to use a less expensive round belt or flat belt. Become. In addition, it is possible to provide a drive source such as an electric motor for each yarn traverse unit and drive each yarn traverse unit independently.

[Brief description of the drawings]

FIG. 1 is a plan view of a yarn traverse unit constituting a yarn traverse device of the present invention.

FIG. 2 is a vertical sectional view of the yarn traversing unit constituting the yarn traversing device of the present invention, taken along the line II of FIG. 1;

FIG. 3 is a schematic front view of the yarn traverse device of the present invention.

FIG. 4 is a schematic front view of another embodiment of the yarn traversing device of the present invention.

FIG. 5 is a schematic front view of still another embodiment of the yarn traversing device of the present invention.

[Explanation of symbols]

 G: Thread traverse unit group M: Pulley member for height adjustment P: Package T: Touch roller U: ... Yarn traverse unit b1, b2. 11 Guide member

Claims (3)

(57) [Claims] 1. A rotating plane of an upper rotating blade and a lower rotating blade rotating in opposite directions constituting a yarn traversing unit is made parallel to a rotation axis of a touch roller or a package and opposite to each other. The rotation planes of the upper rotating blade and the lower rotating blade rotating in different directions are made different in all four rotating blades of the adjacent yarn traverse unit ,
And the upper part of the yarn traversing unit arranged every other
The rotating planes of the rotating blade and lower rotating blade are the same, respectively.
A yarn traverse device characterized by being flat . 2. An upper rotating blade or a lower rotating blade of one of the yarn traverse units of the adjacent yarn traverse units.
2. The yarn traversing device according to claim 1, wherein the yarn traversing unit is inserted between an upper rotating blade and a lower rotating blade of the other yarn traversing unit. 3. An upper rotating blade and a lower rotating blade of a yarn traversing unit disposed in the middle , both above the upper rotating blade and the lower rotating blade of the alternately disposed yarn traversing unit. Alternatively, the yarn traversing device according to claim 1, wherein the yarn traversing device is arranged below.