JP2588511Y2 - Traverse guide for yarn traverse 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 traverse guide for a yarn traverse device. More specifically, the present invention
For example, as disclosed in JP-A-3-297758, and fastening the yarn guide arm to rotate relative to each other, Aya yarns Te passing the yarn from one of the traverse guide alternately to the other of the traverse guide The present invention relates to a traverse guide of a yarn traverse device which is configured to swing.

[0002]

2. Description of the Related Art In such a traverse guide, conventionally, a yarn guide made of ceramic is screwed or riveted to an arm, or the arm and the yarn guide are linearly engaged and joined with an adhesive. I was

Further, as a method of receiving the centrifugal force generated by the high-speed rotation of the traverse guide, when the arm and the yarn guide are viewed in a cross section in the thickness direction, a so-called spigot engagement (engaging groove engagement) is employed.

[0004]

As described in the above-mentioned prior art, the method of screwing or riveting the arm and the yarn guide involves a problem that the yarn guide is broken at the time of tightening by strongly tightening the screw or the rivet. there were. Further, there is a danger that the yarn guide is damaged and scattered during operation of the traverse device due to fastening stress remaining in the yarn guide at the time of fastening.

[0005] Even when the yarn guide is linearly engaged with the arm and bonded with an adhesive, the bonding area is small. In particular, in the case of a large (ie, heavy) yarn guide, the bonding force is reduced by centrifugal rotation. Unable to withstand the force, the yarn guide scattered during rotation and was dangerous.

Further, although the arm and the yarn guide in which the yarn guide is spigot-engaged are less likely to be scattered, the shape is limited and cannot be adopted for a large guide or a complicated shape.

[0007]

The object of the present invention is to solve the problems associated with the prior art described above, so that the yarn guide is not damaged when the arm and the yarn guide are joined, and the yarn guide is damaged or scattered during operation. It is an object of the present invention to provide a yarn guide for a yarn traverse device which is not limited by the shape and size of the yarn guide.

[0008]

In the present invention, the rotation
In a traverse guide of a yarn traverse device in which a yarn guide is fixed to an arm rotating around an axis , the arm and the yarn guide are joined to each other, and the
Extension of radius around the joint and the axis of rotation
The above object is achieved by a traverse guide of a yarn traverse device, wherein a closed loop is formed.

In the present invention, the traverse guide is used.
With a yarn guide on the arm that rotates around the axis of rotation
The traverse guide of the thread traverse device
Said arm and yarn guide are joined to each other,
When viewed in the direction of the rotation axis, their joints are corrugated.
Having a shaped portion, said rotation passing through said wavy shaped portion
The extension of the radius around the axis and the joint are at least
You may cross at three places.

[0010] Further, the above-mentioned corrugated portion has an extended radius.
Lines, i.e., action of the centrifugal force generated by rotation of the arm
The projections and depressions are sandwiched between the application directions, and the centrifugal force of the yarn guide generated by the rotation of the arm engages with each other.
It is preferable that the traverse guide be scattered by the centrifugal force, because the traverse guide is scattered by the portion.

[0011]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a plan view of a yarn traverse device provided with a traverse guide according to the present invention; FIG. FIG. In FIG. 1, a rotation axis perpendicular to the paper surface
The arm 2 is fastened to the rotor 3 rotating at a high speed around the line c as shown by an arrow a by a screw 4. Arm 2
The yarn guide 1 is joined to the tip.

In this embodiment, the arm 2 is made of aluminum, but the arm 2 may be made of another metal, plastic, or the like. Further, in this embodiment, the arm 2 and the rotor 3 are provided separately, but may be integrated.

[0013] As shown in FIG .
The joint of the id is an extension C of a radius centered on the rotation axis.
And F form a closed loop. More specifically,
In FIG. 1, the joint and the rotation axis c direction
That is, when viewed in a direction perpendicular to the paper,
And a half centered on the rotation axis passing through the wavy portion.
The extension line CF of the diameter and the joint part intersect at three places
You. That is, as shown in FIG.
The tip side of the arm 2 joined with the yarn guide by two
Arc-shaped portions connecting the edges 2a, 2b and both edges 2a, 2b
2c, both edges 2a and 2b and an arc-shaped portion 2c
Is formed in a wavy shape as a whole, especially in an arc shape
The portion has a waveform shape near the portion 2c. Furthermore,
In the embodiment shown in FIG. 1, two edges 2a, 2a
b is a radial direction from the rotation axis c of the rotor 3, that is,
That is, the direction of action of the centrifugal force generated by the rotation of the arm 2
(Arrow CF) and substantially perpendicular to the end of arrow CF
The two edges 2a, 2b are half-spaced
In the vicinity of the radial line CF (direction of action of centrifugal force),
In the direction of action, that is, in the direction of the radial line CF, a partial
Overlaps. In addition, the arc-shaped portion 2c has two edges 2
Connect the ends near the radius line (arrow CF) of a and 2b
And intersects the radius line (arrow CF). The fruit shown in FIG.
In the embodiment, the arc-shaped portion 2c is composed of two arcs,
These two arcs have irregularities sandwiching the radius line (arrow CF).
No.

At the tip of the arm 2, the edge 2 of the arm 2
a, 2b and the edge 1a engaging with the arcuate portion 2c, respectively.
A yarn guide 1 having a rear end 1b and an arc-shaped portion 1c is provided.
Are joined . In this embodiment, a ceramic guide is used for the yarn guide 1.

Particularly, in this embodiment, the arc-shaped portion 2c of the arm 2 and the arc-shaped portion 2c of the yarn guide 1 are both half.
The projections and depressions are formed with the diameter line CF interposed therebetween, and receive the centrifugal force of the yarn guide generated by the rotation of the arm 2. Edges 2a, 2b and arc-shaped portion 2 of arm 2
c, edges 1a and 1b of yarn guide 1 and arc-shaped portion 1
c is a sectional view in the thickness direction, as shown in FIG.
The recesses 2 are formed in the edges 2a and 2b and the arc-shaped portion 2c of the arm 2.
d is formed, while the edges 1a, 1b of the yarn guide 1 are formed.
A convex portion 1d is formed on the arc-shaped portion 1c, and the concave and convex portions 1d and 2d are bonded to each other so as to restrict the movement of the arm 2 and the yarn guide 1 in a plane direction at the joint surface thereof. I have. The concave and convex portions formed on the arm 2 and the yarn guide 1 may be reversed.

[0016]

[Effect of the Invention] In the present invention , the arm and the yarn guy
And the extension of the radius around the rotation axis.
Therefore, a closed loop is formed, or the rotation axis direction
When viewed, the joint between the arm and the yarn guide is corrugated
Part, and centered on the rotation axis passing through the wavy part
The extension of the radius and the joint are at least three places.
And intersect . Therefore, the arm and the yarn guide
Since the screws and rivets are not fastened , the yarn guide is not damaged during joining . Also, the arm and the yarn guide
Due to the closed loop part, the centrifugal force can be received and the yarn guide is not damaged or scattered during operation.

For this reason, the traverse guide of the present invention is:
It is not limited by the shape and size of the yarn guide.

In the present invention, as shown in the embodiment,
The joint between the arm and the yarn guide is engaged with each other in a corrugated manner, and the corrugated arc-shaped portion sandwiches the radius line.
And no irregularities, and to receive the centrifugal force of the yarn guide produced by the rotation of the arm, by joining the arms and the yarn guide, and more preferably be made firm against centrifugal force.

Further, if the engaging portion is formed in a corrugated shape and has an uneven shape for restricting the movement in the plane direction, the bonding area is increased and the safety is improved. In addition, this method further enhances the advantage that a waveform shape suitable for the shape and size of the yarn guide can be freely selected.

[Brief description of the drawings]

FIG. 1 is a plan view of a part of a yarn traverse device provided with a traverse guide according to the present invention.

FIG. 2 is a partial cross-sectional view of the traverse guide shown in FIG.

[Explanation of symbols]

 1 Yarn guide 2 Arm 3 Rotor

Claims (4)

(57) [Scope of request for utility model registration] 1. A traverse guide of a yarn traverse device in which a yarn guide is fixed to an arm that rotates around a rotation axis , wherein the arm and the yarn guide are mutually moved.
At the joints and the rotation axis.
A traverse guide for a yarn traverse device, wherein a closed loop is formed by an extension of a radius of the traverse device. 2. A traverse guide for a yarn traverse device in which a yarn guide is fixed to an arm that rotates around a rotation axis , wherein the arm and the yarn guide are separated from each other.
When viewed in the direction of the rotation axis , these joints have a corrugated portion, and pass through the corrugated portion.
The extension of the radius around the rotation axis and the joint
A traverse guide for a yarn traverse device, wherein the traverse guide intersects at least three places . 3. A traverse guide of a yarn traverse device in which a yarn guide is fixed to an arm that rotates around a rotation axis , wherein the arm and the yarn guide are separated from each other.
When viewed in the direction of the rotation axis , these joints have a corrugated portion, and pass through the corrugated portion.
The extension of the radius around the rotation axis and the joint
Intersect at least at three points and have the waveform shape
A traverse guide for a yarn traverse device , characterized in that the portions have irregularities sandwiching an extension of the radius . 4. When the joint between the arm and the yarn guide is viewed in a cross section in the thickness direction, the joint surface between the arm and the yarn guide has an uneven shape that restricts movement in a plane direction with respect to each other. A traverse guide for a yarn traverse device according to any one of claims 1 to 3, wherein