JPH037412Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to an improvement of a traveler for a spinning machine used for spinning and twisting.

[Conventional technology]

Conventionally, in the case of a traveler for a spinning machine, especially a horizontal traveler, a traveler 14 with a flat cross section as shown in Fig. 4 was often used in order to stabilize the sliding posture of the traveler during spinning.

[The problem that the idea aims to solve]

However, the flat line forming the traveler 14 is
Since the wire rod with a round cross section is rolled by flat rolls, bending points C are created at each corner where the arcs on both sides and the straight lines on the top and bottom sides are connected, and the yarn does not pass through the bending points C during spinning. There was a problem in that when it was squeezed, fluff and molten threads were generated.

[Means for solving problems]

The present invention was made to eliminate the above problems, and the inner and outer surfaces of the traveler are formed by straight lines parallel to each other, and both sides are formed by a plurality of arcuate surfaces. In a traveler formed of a wire rod having a shape, there is no bending point at the connection part between each of the straight lines and the circular arc surface,
To provide a traveler for a spinning machine which is configured to have a smoothly connected cross-sectional shape, reduces frictional resistance between the traveler and the yarn, and is less likely to generate yarn breakage, yarn fluff, or melted yarn.

〔Example〕

Hereinafter, one embodiment of the present invention will be described based on the drawings.

As shown in FIGS. 1 and 2, 1 is a traveler, the inner surface 2 and the outer surface 3 of which are formed by straight lines parallel to each other.

A circular arc surface with a large radius of curvature is continuously and smoothly connected to the inner surface 2 formed by the straight line, and a circular arc surface with a small radius of curvature is smoothly connected continuously to the outer surface 3 which is formed by the straight line, and the above-mentioned By smoothly connecting both arcuate surfaces to form both side surfaces 4, a traveler having a flat and symmetrical cross-sectional shape is constructed.

Next, a method for manufacturing the wire having a flat cross-sectional shape that forms the traveler 1 will be described.

As shown in FIG. 3, the supply line reel stand 5
The wire 7 having a circular cross section is pulled out from a reel 6 rotatably disposed in the reel 6 and passed through a straightener 8 to be imparted with straightness.

Straight wire 7 is sequentially rolled through a rolling roll group 11 made up of wire guides 9 and horizontal rolling rolls 10, and processed into a flat wire having a required thickness.

Further, a vertical grooved driven roll 12 is arranged after each horizontal rolling roll 10, and sequentially processes both sides of the flat wire processed by the horizontal rolling roll 10 into a predetermined shape, and then processes the flat wire into a final shape. By means of the grooved driven roll 12, the straight portion and both side portions can be connected with a smooth connecting portion without bending points.

[Effect of idea]

As mentioned above, the traveler for spinning machines of the present invention has a thread passing section with a smooth cross-sectional shape without bending points, and has a large arcuate surface on the inner side through which the thread passes.
The frictional resistance when the thread passes through the traveler is extremely small, reducing the occurrence of thread fuzz, melted thread, and thread breakage.
This is an excellent idea with practical effects, as it can reduce the amount of carbon dioxide by 20%.

[Brief explanation of the drawing]

Fig. 1 is a front view showing an embodiment of the traveler of the present invention, Fig. 2 is a partially cutaway end view taken along the Y-Y line in Fig. 1, and Fig. 3 A shows the manufacturing process of the traveler of the present invention. FIG. 4 is a partially cutaway front view of a vertically grooved driven roll used in FIG. 1, 14... Traveler, 2... Inner surface, 3... Outer surface, 4... Side surface, 5... Supply line reel stand,
6... Reel, 7... Bare wire, 8... Straightener, 9...
...Wire guide, 10...Horizontal rolling roll, 11
... Roll rolling group, 12 ... Vertical grooved driven roll, 13 ... Groove.

Claims (1)

[Scope of utility model registration request] The inner and outer surfaces are formed by straight lines parallel to each other, and on both sides, a circular arc surface with a large radius of curvature is connected smoothly to the inner surface, and a circular arc surface with a small radius of curvature is connected smoothly to the outer surface. A traveler for a spinning machine, characterized in that the traveler has a flat cross-sectional shape in which both the arcuate surfaces are connected smoothly and are symmetrical.