JP3365915B2 - Tape stranding device - Google Patents

Description

Description: BACKGROUND OF THE INVENTION [0001] 1. Field of the Invention [0002] The present invention relates to an apparatus for twisting tape cores, and more particularly, to a method for forming a laminated tape core by laminating a plurality of tape cores. The present invention relates to a tape core twisting apparatus for manufacturing a tape core laminated optical fiber cable by twisting a tape core along a long substrate. 2. Description of the Related Art Conventionally, a laminated optical fiber cable 100 as shown in FIG. 5 has been known. The laminated optical fiber cable 100 has a structure in which, for example, a laminated tape core 105 having five layers is spirally wound around a long base (hereinafter referred to as a spacer) 106. The laminated tape core 105 is formed by collecting and laminating a plurality of tape cores manufactured in advance, and is manufactured by a twisting device of the laminated tape core 105 shown in FIGS. 6 and 7. FIG. 6 is a plan view showing an apparatus for twisting tape cores, and FIG. 7 is a side view showing an apparatus for twisting tape cores. That is, as shown in FIG. 6, for example, five tape cores 101 are supplied from a tape core supply means (not shown), and the laminated tape cores 105 are supplied to the tape core guide means as shown in FIG. The assembly and stacking dies 104 shown in FIG. 7 are led to the assembly and stacking dies 104 through the assembly 103, and are formed by stacking and stacking. To form the optical fiber ribbon cable 100. Here, the tape core guide means 103 is configured by arranging five pulleys 111 having the same diameter coaxially, and
6 are arranged two-dimensionally immediately after coming out of the tape conductor guide means 103, as shown in FIGS.
As approaching the stacked dies 104, the arrangement is changed to a three-dimensional arrangement, and the stacked and stacked dies 104 are integrated. [0003] However, it is necessary to arrange the tape core wire guide means 103 and the collective / laminated die 104 relatively close to each other. Therefore, the distance L1 between the tape core wire guide means 103 and the collective / laminated die 104
(See FIG. 6) cannot be increased. Therefore, the tape core wire 101 is locally bent in the width direction at the point A of each pulley 111 and the point B of the assembly / lamination die 104. Since the tape core wire 101 can hardly cope with local bending in the width direction, there is a problem that residual stress is generated in the tape core wire 101 and strength reliability is reduced. Also, a tape core guide means 1
Since the distance L1 (see FIG. 6) between the dies 03 and the collective / laminated dies 104 is relatively small,
As shown in FIG. 6, forces in the directions indicated by solid lines and broken lines are applied to the upper and lower sides from the tape core wire 101, respectively.
For this reason, the twisting jig (not shown) that fixes the collective / laminated die 104 vibrates in the circumferential direction of the spacer 106 during the manufacturing, and the operation of the twisting jig becomes unstable, and the tape core wire becomes unstable. This hinders an increase in the manufacturing efficiency of the laminated optical fiber cable. The present invention has been made in view of the above circumstances, to reduce the local bending in the width direction of the tape core wire, improve the strength reliability of the tape core wire, and stabilize the operation of the twisting jig. An object of the present invention is to provide an apparatus for twisting a tape core wire, which can increase the manufacturing efficiency of the tape core laminated optical fiber cable. [0004] In order to achieve the above object, a tape core twisting apparatus according to the present invention comprises a tape core supply means for supplying a plurality of tape cores arranged in a horizontal direction. And a laminated tape forming means for forming a laminated tape core by laminating the plurality of tape cores supplied in the horizontal direction from the tape core supply means, and supplied in the horizontal direction. In a tape core twisting device for forming a laminated tape core by laminating a plurality of tape cores and twisting the laminated tape core along a long substrate, the tape core supply means and the lamination A certain number of pulleys are set between the tape forming means and the tape cores in the laminating direction of the tape cores, and the same number of pulleys as the tape cores are set within a range in which the tape cores are kept in a non-contact state. The tape core guide means inclined in the direction of the laminated tape forming means is arranged on the extension line of the inclined angle, and each tape core is assembled by each pulley. " In this apparatus for twisting tape cores, the tape cores are not arranged in a three-dimensional arrangement from a two-dimensional arrangement immediately before the lamination tape forming means.
The tape cores are assembled in a three-dimensional array by the tape core guide means between the tape core supply means and the laminated tape forming means. Since the tape core supply means and the tape core guide means can be sufficiently separated and arranged, each tape core will be assembled at a long distance,
Each tape core is not subject to local bending in the width direction. The intervals between the tape cores are reduced as the tape cores approach the laminated tape forming means from the tape core guide means, and are laminated on the laminated tape cores by the laminated tape forming means. Therefore, since each tape core is not bent in the width direction before entering the laminated tape forming means, no torsional force due to each tape core is generated in the laminated tape forming means. Thereby, the twisting jig to which the laminated tape forming means is fixed can be prevented from vibrating in the circumferential direction of the spacer. Alternatively, each pulley can be compactly arranged by arranging each pulley on an extension line of the inclination angle θ set within a range in which the tape cores are kept in a non-contact state. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of a device for twisting tape core wires according to the present invention will be described in detail with reference to the drawings. FIG. 1 is a plan view showing a tape core twisting apparatus according to the present invention, FIG. 2 is a side view showing a tape core twisting apparatus according to the present invention, and FIG. 3 is a tape core twisting according to the present invention. Tape core guide means 15 of aligning device
FIG. 4 is a view on arrow A in FIG. Since the laminated optical fiber ribbon cable has the same structure as that described with reference to FIG. 5, the description thereof will be omitted using the same reference numerals. As shown in FIG. 1, a tape core stranding device 1 is, for example, a tape core laminated optical fiber cable 1.
00, which is used to form the tape core 1
01 and a tape core 101 supplied from the tape core supply means 12.
And a laminating die 14 serving as laminating tape forming means for laminating the laminated tape 105 to form a laminated tape 105. In addition, the tape core wire 101 is configured by arranging a plurality of optical fibers (not shown) in parallel. [0007] Between the tape core supply means 12 and the lamination die 14, there is a characteristic configuration of the present embodiment.
A tape core guide unit 15 described later is arranged. Laminated tape core wire 105 sent out from lamination die 14
Is spirally wound around a spacer 106 formed of an insulating material. The tape core supply unit 12
Has the same structure as the conventional one, and the laminated die 14 also has the same structure as the conventional assembled / laminated die 104. As shown in FIG. 2, the tape core guide means 15 includes five pulleys 16 to 20 arranged at regular intervals in the laminating direction of the tape cores 101. They are assembled (see FIG. 1). The pulleys 16 to 20 are attached at regular intervals in the longitudinal direction of the attachment plate 27 via shafts 21 to 25 as shown in FIG. The mounting plate 27 is fixed to the fixed block 28 at an inclination angle θ. This inclination angle θ
Is set to a range in which the pulleys 16 to 20 keep the tape core wires 101 out of contact with each other. Thus, by attaching the attachment plate 27 at the inclination angle θ, the pulleys 16 to 20 can be arranged compactly.
Therefore, since the conventional equipment space can be used, an increase in equipment cost can be suppressed. Each of the pulleys 16 to 20 is formed to have the same diameter as is apparent from FIG. 3, and is slightly wider than the width of the tape core wire 101 to prevent the tape core wire 101 from being shifted laterally as shown in FIG. 4. Flanges 16a to 20a are provided at intervals. Apparatus 1 for twisting tape core wires having the above configuration
In FIG. 1, the pulleys 16 to 20 are configured by arranging them at regular intervals in the laminating direction of the tape core wires 101, and as shown in FIG. 101 are collected and changed into a three-dimensional arrangement. In this case, the tape core supply unit 12 and the pulleys 16 to 20 can be sufficiently separated and arranged, and the pulleys 16 to 20 and the lamination die 14 need to be arranged relatively close to each other. The distance L2 between the core wire supply means 12 and the pulleys 16 to 20 can be made larger than the distance L3 between the pulleys 16 to 20 and the lamination die 14. Therefore, at the point C of the tape core supply unit 12 and the points D to E of the pulleys 16 to 20, the tape core 101 is not locally bent in the width direction. As a result, since no residual stress is generated in the tape core wire 101, strength reliability can be maintained. Then, as shown in FIG.
The distance between the tape cores 101 coming out of the tape core 20 is reduced as the tape cores 101 approach the lamination die 14, and the tape cores 101 are laminated on the lamination tape core 105 by the lamination die 14. As a result, since the twisting force due to the tape core wire 101 is not generated in the laminated die 14, it is possible to prevent the twisting jig (not shown) fixing the laminated die 14 from vibrating in the circumferential direction of the spacer 106. In addition, the laminated tape core wire 105 is
The tape ribbon optical fiber cable 100 is formed by being spirally wound around the moving spacer 106. As described above, according to the present invention, the configuration of the apparatus for twisting tape cores is described as follows: a tape core supply means for supplying a plurality of tape cores arranged in a horizontal direction; Laminated tape forming means for forming a laminated tape core by laminating the plurality of tape cores supplied side by side from the tape core supply means, and a plurality of tapes supplied side by side in the horizontal direction. In a tape core twisting apparatus for forming a laminated tape core by laminating core wires and twisting the laminated tape core along a long substrate, the tape core supply means and the laminated tape forming means At a certain interval in the laminating direction of the tape core wires, the same number of pulleys as the number of tape core wires are set at an inclination angle set in a range that keeps the tape core wires in a non-contact state. On the extension line, tape core guide means inclined in the direction of the laminated tape forming means are arranged, and each tape core is gathered by each pulley, so that each tape core is gathered at a long distance. Therefore, each tape core is not subjected to local bending in the width direction. Thereby, since no residual stress is generated in each tape core, the strength reliability of each tape core can be maintained. Further, since each tape core is not bent in the width direction before entering the laminated tape forming means, no torsional force due to each tape core is generated in the laminated tape forming means. Therefore, the twisting jig to which the laminated tape forming means is fixed can be prevented from vibrating in the circumferential direction of the spacer. Thus, the operation of the twisting jig can be stabilized, and the manufacturing efficiency of the laminated optical fiber ribbon cable can be increased. Alternatively, the respective pulleys can be compactly arranged by arranging the respective pulleys on an extension line of the inclination angle θ set within a range in which the non-contact state between the tape cores is maintained. Therefore, since the conventional equipment space can be used, an increase in equipment cost can be suppressed.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a plan view showing an apparatus for twisting tape core wires according to the present invention. FIG. 2 is a side view showing a device for twisting tape core wires according to the present invention. FIG. 3 is a side view showing a tape core guide means of the tape core twisting apparatus according to the present invention. FIG. 4 is a view taken in the direction of arrow A in FIG. 3; FIG. 5 is a diagram illustrating a general tape-core laminated fiber cable. FIG. 6 is a plan view showing a conventional apparatus for twisting tape core wires. FIG. 7 is a side view showing a conventional apparatus for twisting tape core wires. DESCRIPTION OF SYMBOLS 1 ... Tape cord twisting device 12 ... Tape cord supply means 14 ... Laminated tape forming means (laminated dies) 15 ... Tape cord guide means 16-20 ... Pulley 27 ... Support plate 101 ... Tape Core wire 105 ... Laminated tape core wire 106 ... Base (spacer)

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. ⁷ , DB name) H01B 13/00 H01B 13/02 G02B 6/44

Claims (1)

(57) [Claims 1] A tape core supply means for supplying a plurality of tape cores arranged in a horizontal direction, and the plurality of tape cores supplied in a horizontal arrangement from the tape core supply means. A laminated tape forming means for laminating tape cores to form a laminated tape core, and laminating a plurality of tape cores supplied in a line in the horizontal direction to form a laminated tape core, In a tape core twisting device for twisting a tape core along a long substrate, a constant interval in a stacking direction of the tape core between the tape core supply means and the laminated tape forming means. The tape core guide is inclined in the direction of the laminated tape forming means on an extension line of an inclination angle set in a range in which the same number of pulleys as the tape cores are kept in a non-contact state between the tape cores. The tape twisting device is characterized in that a tape means is arranged and each tape core is assembled by each pulley.