JPH0262635B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an improvement in tension control for collective winding of optical fibers.

[Conventional technology]

2. Description of the Related Art Conventionally, examples of rotary collecting machines for collecting filamentary bodies such as optical fibers and winding them onto bobbins include those shown in FIGS. 1 and 2. This rotary type winder includes a center line rotation supply 1 in an unwinding device,
There is a center line and an optical fiber sent out from the rotating supply 2 for optical fiber. Then, the optical fiber from the optical fiber rotating supply 2 is
The filament bodies collected from the optical fiber supply bobbin 3 at the gathering point 9 from the branch line guide section 8 via the dancer wheel 5 and the guide wheels 6 and 7 are wired by the taping machine 10 by the feeding motor 4. A tape is wound onto the strip, and a thread is further wound by a thread winder 11 and wound as a cable by a rotary winder 12.

By the way, such a winding machine uses a control dancer to control the tension of the optical fiber after it leaves the supply bobbin, but the distance from the dancer position to the gathering point is different at each supply position. It's different. Therefore, for those close to the supply position and the gathering point, the tension at the gathering point becomes the tension controlled by the dancer. Next, for supplies that are far from the gathering point, the tension may change after leaving the dancer due to the weight of the optical fiber and the rotational resistance of the wheel, which is proportional to the distance to the gathering point.

In addition, external factors that occur between the dancer and the assembly point (for example, the fiber may come off the guide wheel) will not change as long as the fiber itself does not break, even if the tension of the fiber changes significantly. The fiber striatum will aggregate. These fibers are combined to untwist the fibers, but fibers that are far from the gathering point have a defect in which the untwisting is difficult to transmit.

[Problem that the invention seeks to solve]

When this rotary collecting machine is used, the tension of the optical fiber is controlled using a control dancer after it leaves each supply bobbin. In addition, the distance from each control dancer to the assembly point differs depending on the dancer position, and as a result,
After exiting from the dancer, the tension may change due to the weight of the optical fiber, which is proportional to the distance to the assembly, and the rotational resistance of the wheel.

The present invention solves the above-mentioned problems of the conventional system by arranging and positioning the tension control dancers of each bobbin of the optical fiber immediately in front of the gathering point, thereby controlling the rotation supply. It is an object of the present invention to provide a tension control device.

[Means for solving problems]

In view of the above points, the present invention has the following configuration. That is, the tension control device for a rotating supply according to the present invention connects the centerline from the central rotating supply to the rotating dancer device for centerline supply;
On the other hand, the optical fibers from the rotary supply for optical fibers are placed at the same distance from the rotary dancer device for the optical fiber supply immediately in front of the final guide wheel, and the above-mentioned dancer devices are connected near the gathering point to the center line and each beam. The purpose is to control the tension of the fibers and perform taping and collective winding through the gathering point.

[Effect]

In the present invention, since the center line and the optical fibers are twisted by the rotary dancer device for each rotating supply near the collection point, the twisting of the optical fibers is done with a low tension and is uniform with a constant tension. It is designed to perform collective winding.

〔Example〕

The present invention will be explained below based on an embodiment shown in FIGS. 3 and 4.

In the tension control device for the rotating supply of the optical fiber winding rotary type assembly machine according to the present invention, the unwinding device includes the centerline and optical fibers sent out from the centerline rotating supply 21 and the optical fiber rotating supply 22. . The optical fiber from the optical fiber rotating supply 22 is almost the same as the conventional one until it is fed out from the optical fiber supply bobbin 23 by the feeding motor 24.

First, the centerline from the centerline rotating supply 21 is controlled by the centerline supply rotary dancer device 25. Then, each optical fiber from the optical fiber rotating supply 22 is connected to the optical fiber supply rotating tension control dancer device 2.
6, the optical fibers are untwisted through the dancer wheel 27 and the guide wheels 28, 29, 30, and the optical fibers under low tension are gathered at short and equal distances at the final guide wheel 31 before the gathering point and the gathering point 32. Ru. By the way, such tension control is achieved by placing the dancers for tension control of the optical fibers of each bobbin all together at the device 26 immediately in front of the final guide wheel 31 before the gathering point, and controlling the tension of each fiber. After making the optical fibers at equal distances, the optical fibers are assembled stably without straining, and then the taping machine 33 and the thread winding machine 34
It is a rotary type collecting machine that winds up the winding material by a rotary winding machine 35.

〔Effect of the invention〕

As is clear from the above explanation, the present invention allows the optical fiber to be kept under low tension, and the tension from the supply to the dancer is necessarily low due to the aggregated tension, so that no strain is applied to the fiber, and external factors do not affect the fiber. Changes in tension can be easily detected by the dancer's movements. In addition, in this collecting machine, the dancers for controlling the tension of the fibers of each bobbin are placed all together right in front of the collecting point.
The length of each fiber was short and equidistant to the final guide wheel before the gathering point, making it possible to equalize the collective tension. Furthermore, the fibers were evenly twisted in both the supply bobbin section and the dancer section. Because of this, it has the effect of being able to completely untwist with a stable, low and constant tension.

[Brief explanation of drawings]

Fig. 1 is an assembly diagram of a conventional optical fiber winding rotary type assembly machine, Fig. 2 is a plan view of the rotating supply part of Fig. 1, and Fig. 3 is an optical fiber winding rotation type assembly machine of the present invention. FIG. 4 is a plan view of the rotary supply portion of FIG. 3. DESCRIPTION OF SYMBOLS 21...Rotary supply for centerline supply, 22...Rotary supply for optical fiber, 23...Supply bobbin for optical fiber, 24...Motor for feeding, 25...Rotary dancer device for centerline supply, 26...Rotary tension control for optical fiber supply dancer device, 2
7... Dancer wheel, 28, 29, 30... Guide wheel, 31... Final guide wheel before gathering point, 32... Gathering point, 33... Taping machine, 34...
Thread winding machine, 35...rotary winding machine.

Claims (1)

[Claims] 1 In a winding rotary type gathering machine for optical fiber,
The center line from the center line rotating supply 21 is controlled by a center line supply rotary dancer device 25, and on the other hand, the dancers for tension control of the optical fibers of each bobbin are collectively placed immediately in front of the final guide wheel 31 before the assembly point. The optical fiber supply rotary tension control dancer device 26 is placed at the location of the optical fiber supply rotary tension control dancer device 26 to make the tension control of each fiber short and equidistant, and the plurality of optical fibers are moved from the optical fiber rotation supply 22 to the optical fiber supply dancer device 26 for optical fiber supply. Put the dancer wheel 2 into the rotary dancer device 26
7 and guide wheels 28, 29, 30 to stably gather the optical fibers, and taping and winding the optical fibers from a gathering point 32. .