CN219778007U

CN219778007U - Loose sleeve SZ cabling stranding die

Info

Publication number: CN219778007U
Application number: CN202321011412.6U
Authority: CN
Inventors: 石明; 曹剑翔
Original assignee: Jiangsu Yingke Communication Technology Co ltd
Current assignee: Jiangsu Yingke Communication Technology Co ltd
Priority date: 2023-04-28
Filing date: 2023-04-28
Publication date: 2023-09-29
Anticipated expiration: 2033-04-28

Abstract

The utility model discloses a loose tube SZ cabling twisting die, which comprises a twisting die body, wherein the twisting die body is provided with: the twisting die fixing end is arranged on the twisting table, the twisting die inlet end is used for achieving twisting forming of a cable core and yarn fixing, and a connecting pipe is connected with the twisting die fixing end and the twisting die inlet end, the twisting die inlet end is provided with a twisting die inlet end, the twisting die inlet end is arranged in a rounding mode, the center position of the twisting die inlet end is further provided with a twisting hole communicated with an inner cavity of the connecting pipe, the inner wall of the twisting hole is in taper setting, the twisting die fixing end is provided with a base, and the base is provided with a mounting hole and a yarn fixing through hole. Through the mode, the loose tube SZ cabling twisting die can reduce the throwing out of ointment in the cable core twisting process, ensure the stability of loose tube yarn binding on the surface of the cable core, and avoid the phenomenon of loose tube wound caused by overlarge yarn binding tension.

Description

Loose sleeve SZ cabling stranding die

Technical Field

The utility model relates to the technical field of optical cable manufacturing, in particular to a loose tube SZ cabling stranding die.

Background

The layer twisted type optical cable is a round cable core formed by twisting a plurality of sleeves for accommodating optical fibers around a central reinforcing member. With SZ bi-directional lay technology, metallic or non-metallic stiffeners are located in the center of the cable, and loose tubes containing the fibers are aligned around the stiffeners.

The layer stranded optical cable SZ transposition in-process is at reinforcement surface coating a certain amount of oleamen, and through the transposition of transposition platform transposition, cable core transposition in-process, the oleamen splashes everywhere under the action of high-speed transposition mould, can throw out a large amount of oleamen, causes the polluted environment, and the transposition in-process can lead to pricking yarn tension too big in addition, appears loose sleeve pipe stabbing's phenomenon, influences the quality of optical cable.

Disclosure of Invention

The utility model mainly solves the technical problem of providing the loose tube SZ cabling twisting mould, which can reduce the throwing out of ointment in the cable core twisting process, ensure the stability of loose tube yarn binding on the surface of the cable core and avoid the phenomenon of loose tube puncture caused by overlarge yarn binding tension.

In order to solve the technical problems, the utility model adopts a technical scheme that: providing a loose tube SZ cabling stranding die, comprising: a die body is twisted,

the stranded die body is provided with: a twisting mould fixed end arranged on the twisting table, a twisting mould inlet end for realizing twisting forming and yarn binding fixation of the cable core, and a connecting pipe for connecting the twisting mould fixed end and the twisting mould inlet end,

the stranding die inlet end is provided with a stranding die inlet end head, the stranding die inlet end head is provided with a rounding angle, the center position of the stranding die inlet end is also provided with a stranding hole communicated with the inner cavity of the connecting pipe, the inner wall of the stranding hole is provided with a taper, the stranding die fixing end is provided with a base, and the base is provided with a mounting hole and a yarn-binding through hole.

In a preferred embodiment of the present utility model, the circumferential wall of the inlet end of the stranding die is spherically disposed.

In a preferred embodiment of the present utility model, the taper of the inner wall surface of the twisted hole starts from the entrance of the twisted hole to the connection point of the twisted hole and the inner cavity of the connecting pipe.

In a preferred embodiment of the utility model, the taper angle of the inner wall surface of the twisted hole is matched with the twisted taper of the actual cable core, and the taper angle is within +/-10 degrees of the twisted taper.

In a preferred embodiment of the present utility model, at least six mounting holes are provided and are uniformly distributed along the circumference of the base.

In a preferred embodiment of the present utility model, at least two yarn-binding holes are provided and symmetrically arranged along the center of the base.

In a preferred embodiment of the present utility model, the inner wall of the yarn-binding through hole is embedded with magnetic beads with low friction coefficient.

In a preferred embodiment of the present utility model, at least two binding yarns are adopted in the twisting process, one binding yarn directly penetrates from the twisting hole, and the other binding yarn firstly penetrates into the binding yarn through hole and then penetrates into the twisting hole.

The beneficial effects of the utility model are as follows: the inlet end of the twisting die of the loose tube SZ cabling twisting die adopts a rounding design, so that the yarn-binding tension is reduced in the cabling production process, the loose tube is well bound by yarn-binding on the surface of a cable core, and the loose tube is prevented from being injured due to overlarge yarn-binding tension; the inner wall of the inlet end of the twisting die adopts a taper design, redundant ointment on the surface of the cable core can be adhered to the surface of the loose tube after passing through the twisting die, and waste caused by throwing out the ointment is reduced.

Drawings

For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:

FIG. 1 is a schematic perspective view of a preferred embodiment of a loose tube SZ cabling twisting mold according to the present utility model;

FIG. 2 is a schematic view showing the internal structure of a preferred embodiment of the loose tube SZ cabling twisting mold of the present utility model;

FIG. 3 is a schematic view of a preferred embodiment of the twisting mold fixing end of the loose tube SZ cabling twisting mold according to the present utility model;

the components in the drawings are marked as follows:

1. the device comprises a stranding die inlet end, 2, an inner wall surface, 3, a stranding hole, 4, a base, 5, a mounting hole, 6, a yarn binding through hole, 7, a stranding die inlet end, 8, a connecting pipe, 9 and a stranding die fixing end.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, the azimuth or positional relationship indicated by the terms "front", "rear", etc. are based on the azimuth or positional relationship shown in the drawings, or the azimuth or positional relationship in which the inventive product is conventionally put in use, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and therefore, should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature may include first and second features directly contacting each other, either above or below a second feature, or through additional features contacting each other, rather than directly contacting each other. Moreover, the first feature being above, over, and on the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being below, beneath, and beneath the second feature includes the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is less level than the second feature.

As shown in fig. 1 to 3, the present utility model relates to a preferred embodiment of a loose tube SZ cabling twisting mold.

The loose tube SZ cabling twisting mold comprises a twisting mold body, wherein the twisting mold body is provided with a twisting mold fixing end 9, a twisting mold inlet end 7 and a connecting pipe 8, and the connecting pipe 8 is used for communicating the twisting mold fixing end 9 and the twisting mold inlet end 7.

The twisting die fixing end 9 is arranged on the twisting table, the twisting die fixing end 9 is provided with a base 4, and the base 4 is provided with a mounting hole 5 and a yarn penetrating hole 6.

Further, at least six mounting holes 5 are formed, the six mounting holes are uniformly distributed along the circumferential direction of the base 4, and locking pieces are arranged on the mounting holes 5 to fix the stranding die body on the stranding table. Preferably, the locking member is a locking screw.

Further, at least two yarn-binding through holes 6 are arranged and symmetrically arranged along the center of the base 4, and magnetic beads with low friction coefficients are embedded in the inner wall of the yarn-binding through holes 6 and used for yarn-binding wiring.

The stranding die inlet end 7 is used for realizing cable core stranding forming and yarn fixing, the stranding die inlet end 7 is provided with a stranding die inlet end 1, the stranding die inlet end 1 is rounded, and the circumferential wall surface of the stranding die inlet end 1 is spherically arranged after the rounding. This kind of chamfer setting can reduce the yarn tension of pricking when pricking the yarn, avoids the stabbing of cable core.

The center position of the inlet end 7 of the stranding die is also provided with a stranding hole 3 communicated with the inner cavity of the connecting pipe 8, the inner wall surface 2 of the stranding hole 3 is in taper setting, and the taper of the inner wall surface 2 of the stranding hole 3 is started from the inlet of the stranding hole 3 to the joint of the stranding hole 3 and the inner cavity of the connecting pipe 8.

Further, the taper angle of the inner wall surface 2 of the twisting hole 3 is matched with the twisting taper of the actual cable core, and the taper angle range is within +/-10 degrees of the twisting taper.

The taper design of the inner wall of the upper end of the twisting die can adhere redundant ointment on the surface of the cable core to the surface of the loose tube in the twisting process, so that the waste and pollution of the ointment are avoided.

At least two binding yarns are adopted in twisting, one binding yarn directly penetrates from the twisting hole 3, and the other binding yarn firstly penetrates into the binding yarn through hole 6 and then penetrates into the twisting hole 3.

The stranding process of the loose tube SZ cabling stranding die provided by the utility model is as follows:

when the cable-forming cable core SZ is twisted, the reinforcing piece, the loose tube and other filling ropes in the cable core enter the twisting die fixing end 9 through the twisting holes and the connecting tube at the inlet end of the twisting die,

simultaneously, one binding yarn penetrates from the twisting hole 3 of the twisting die inlet end 7, the other binding yarn firstly penetrates into the binding yarn through hole 6 of the twisting die fixed end 9 and then penetrates from the twisting hole 3 of the twisting die inlet end 7, and the twisted cable core is well bound.

The loose tube SZ cabling stranding die has the beneficial effects that:

the inlet end of the twisting die adopts a rounding design, so that the yarn binding tension is reduced in the cable production process, the yarn binding loose tube on the surface of the cable core is good, and the damage to the loose tube caused by overlarge yarn binding tension is avoided;

the inner wall of the inlet end of the twisting die adopts a taper design, redundant ointment on the surface of the cable core can be adhered to the surface of the loose tube after passing through the twisting die, and waste caused by throwing out the ointment is reduced.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related arts are included in the scope of the present utility model.

Claims

1. The loose tube SZ cabling stranding die is characterized by comprising: a die body is twisted,

2. The loose tube SZ cabling twisting mold according to claim 1, wherein the circumferential wall surface of the twisting mold inlet end is spherically arranged.

3. The loose tube SZ cabling twisting mold according to claim 1, wherein the taper of the inner wall surface of the twisting hole starts from the entrance of the twisting hole to the junction of the twisting hole and the inner cavity of the connecting tube.

4. The loose tube SZ cabling twisting mold according to claim 2, wherein the angle of the inner wall surface of the twisting hole is matched with the twisting angle of the actual cable core, and the angle of the twisting angle is within ±10° of the twisting angle.

5. The loose tube SZ cabling twisting mold according to claim 1, wherein the mounting holes are at least six, and are uniformly distributed along the circumference of the base.

6. The loose tube SZ cabling twisting mold according to claim 1, wherein at least two yarn penetrating holes are provided, and are symmetrically arranged along the center of the base.

7. The loose tube SZ cabling twisting mold according to claim 6, wherein the inner wall of the yarn-binding through hole is embedded with magnetic beads with low friction coefficient.

8. The loose tube SZ cabling twisting mold according to claim 7, wherein at least two binding yarns are adopted in twisting, one binding yarn directly penetrates from the twisting hole, and the other binding yarn penetrates into the binding yarn through hole before penetrating into the twisting hole.