JPH0645963U - Traverse shoe - Google Patents

Abstract

(57) [Summary] [Purpose] To significantly improve the durability of traverse shoes. [Construction] Roundness R is formed at the corners of both ends of the boat shoe 1b.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a traverse shoe that engages with a yarn being wound and traverses it in a spinning winder or the like that rewinds synthetic fiber yarn around cheese.

[0002]

[Prior art]

 In a spinning winder that winds at a high speed of several thousand meters per minute, it is necessary to reduce the weight of the traverse shoe in response to the faster winding speed. A (see Fig. 5) is made as small as possible.

[0003]

[Problems to be solved by the device]

 Since the width A of the boat-shaped shoe of the above traverse shoe is made as small as possible, the root portion B of the boat-shaped shoe is subjected to repeated stress as a result of the durability test, and fatigue fracture occurs in a relatively short time. ing.

The present invention aims to significantly improve the durability of a traverse shoe.

[0005]

[Means for Solving the Problems]

 To achieve the above object, the traverse shoe of the present invention is a boat-shaped shoe having rounded corners at both ends.

[0006]

[Work]

 In the traverse shoe constructed as described above, the repeated bending stress of the boat-shaped shoe due to repeated use is absorbed by the rounded portions at the corners at both ends of the boat-shaped shoe.

[0007]

EXAMPLE A spin winding machine in which the traverse shoe of the present invention is adopted will be described with reference to FIGS. 3 and 4.

The take-up winder supports two bobbin holders 2, 2 which are directly driven by a motor, and the bobbin holders 2 projecting and supporting the bobbin holders 2 on opposite sides of a rotary shaft and rotating 180 ° during doffing. It consists of a rotating plate 3, a touch roller 4 that contacts the package P being wound at the winding position, detects the circumferential speed of the package P and sends a signal to control the motor of the bobbin holder 2, and a scroll cam 5. Therefore, the touch roller 4 and the scroll cam 5 can be slid upward together with the winding diameter of the package P during winding.

Next, the traverse shoe 1 of the present invention will be described with reference to FIGS. 1 and 2.

The traverse shoe 1 of the present invention engages with the spiral groove 5a of the scroll cam 5 of the above-described spinning winder, and is inserted into the groove 5a of the cover 6 as the scroll cam 5 rotates. 5 reciprocates in the axial direction.

The traverse shoe 1 is composed of a base 1a, a boat-shaped shoe 1b integrally protruding below the base 1a, and a yarn guide 1c projecting from the upper surface of the base 1a.

The base 1a and the boat-shaped shoe 1b are made of synthetic resin and are integrally formed.

The yarn guide 1c is made of fine ceramic and is partially embedded in the base 1a and the boat shoe 1b. A yarn guide groove 1c 'for guiding the yarn is formed at the tip.

The boat-shaped shoe 1b has the same width as that of the conventional one, and has rounded (R) Rs which are as large as possible at the corners of both ends thereof. The largest possible radius R means that the radius R is as large as possible when the traverse shoe 1 does not come into contact with any part of the traverse shoe 1 when the traverse shoe 1 is engaged with the groove 5a of the scroll cam 5. .

When the traverse shoe 1 is configured in this way, the repeated bending stress of the boat shoe 1b due to repeated use is absorbed by the rounded portion R, and the width of the boat shoe 1b does not change, that is, the traverse shoe 1b. Despite the fact that the weight of the boat hardly increases, the life until the breakage and breakage of the boat-shaped shoe base can be dramatically extended by about 70% of the conventional life. Further, since the roundness R at the corners at both ends of the boat-shaped shoe 1b does not affect other peripheral members, it is not necessary to change parts such as the scroll cam 5 and the cover 6.

[0016]

[Effect of device]

 Since the present invention is configured as described above, it has the following effects.

That is, the life of the boat-shaped shoe base portion up to the breakage can be dramatically extended without increasing the weight. In addition, it can be implemented without changing any other peripheral members.

[Brief description of drawings]

FIG. 1 is a perspective view of a traverse shoe of the present invention seen from below.

FIG. 2 is a side view showing an implementation state of the traverse shoe of the present invention.

FIG. 3 is a front view of the take-up winder.

FIG. 4 is a side view of the take-up winder.

FIG. 5 is a side view of a conventional traverse shoe.

[Explanation of symbols]

 1 Traverse shoe 1a Base 1b Boat shoe 1c Yarn guide 5 Scroll cam 6 Cover R Roundness

Claims (1)

[Scope of utility model registration request] 1. A traverse shoe having rounded corners on both ends of a boat-shaped shoe.