CN115308863A - Optical cable manufacturing process - Google Patents
Optical cable manufacturing process Download PDFInfo
- Publication number
- CN115308863A CN115308863A CN202210957415.2A CN202210957415A CN115308863A CN 115308863 A CN115308863 A CN 115308863A CN 202210957415 A CN202210957415 A CN 202210957415A CN 115308863 A CN115308863 A CN 115308863A
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- Prior art keywords
- cable core
- cable
- optical cable
- paste
- central
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4479—Manufacturing methods of optical cables
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
- G02B6/4432—Protective covering with fibre reinforcements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4479—Manufacturing methods of optical cables
- G02B6/4483—Injection or filling devices
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4479—Manufacturing methods of optical cables
- G02B6/4486—Protective covering
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to the technical field of optical cable manufacturing, and particularly discloses an optical cable manufacturing process. The optical cable manufacturing process comprises the following steps: putting the central reinforcing piece into a paste coating device, and coating the central reinforcing piece with paste through the paste coating device; winding a plurality of loose tubes outside of a central strength member to form a cable core; putting the cable core into a paste coating device, and coating the paste on the cable core through the paste coating device; and (3) putting the cable core into an extrusion molding device, and processing a sheath outside the cable core through the extrusion molding device. According to the invention, by means of twice coating of the factice, the situation that the pressure of the pressed factice needs to be adjusted repeatedly when the factice is pressed into the gap between the loose tubes and the inner part of the cable core by a pressure type factice machine can be avoided. Meanwhile, the filling of the cable core can be easily realized to be full through the mode of coating the factice for the second time, so that the condition that the inside of the cable core is filled incompletely and water seepage is avoided, and further the influence on the waterproof performance of the optical cable is avoided.
Description
Technical Field
The invention relates to the technical field of optical cable manufacturing, in particular to an optical cable manufacturing process.
Background
The water permeability of the optical cable is one of the important factors for ensuring the service life of the optical cable, and is an index which is very concerned by optical cable manufacturers and operators. Once the optical cable is permeable to water, in a complex and variable environment, moisture and water outside the optical cable can permeate and migrate into the optical cable, which can cause irreversible corrosion to the optical fiber, and affect the service life of the optical fiber and the stability of long-term transmission.
In the existing optical cable manufacturing process, the pressure type factice machine is adopted to press factice into gaps between loose tubes and inside cable cores, the number of layers of the loose tubes is different on a central reinforcing piece in the process, the pressure requirement on the factice is also different, the pressure of the pressed factice needs to be adjusted repeatedly, and when the factice is pressed into the gaps between the loose tubes and inside the cable cores, the cable cores are not filled fully easily, the situation that the inside is filled not fully and water seepage occurs easily is caused, and the influence is further caused on the waterproof performance of the optical cable.
Disclosure of Invention
The invention aims to provide an optical cable manufacturing process, which aims to solve the problems that in the prior art, when factice is pressed into a gap and the inside of a cable core, the cable core is not easy to fill fully, the situation that the inside is filled insufficiently and water is seeped is easy to cause, and further the waterproof performance of an optical cable is influenced.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides an optical cable manufacturing process, which comprises the following steps:
putting the central reinforcing member into a paste coating device, and coating the central reinforcing member with paste by the paste coating device;
winding a plurality of loose tubes around the outside of the central strength member to form a cable core;
putting the cable core into the pasting device, and coating the paste on the cable core through the pasting device;
and putting the cable core into an extrusion molding device, and processing a sheath outside the cable core through the extrusion molding device to form the optical cable.
As an alternative to the above-described cable manufacturing process, the above-described placing the center strength member in a pasting device includes: drawing said central reinforcement along a straight line so that said central reinforcement passes through a first soft squeegee roller of said paste applicator.
As an alternative of the optical cable manufacturing process, the diameter of the oil scraping hole of the first soft oil scraping die is larger than the diameter of the central reinforcing member, and the diameter difference between the diameter of the oil scraping hole of the first soft oil scraping die and the diameter of the central reinforcing member is in a range of 0.6mm to 1mm.
As an alternative to the above-described optical cable manufacturing process, the above-described winding of a plurality of loose tubes outside the above-described central strength member to form a cable core includes: and winding a plurality of the loose tubes on the outer side of the central reinforcing member in an SZ twisting mode so as to reduce the gap between any two adjacent loose tubes.
As an alternative to the above optical cable manufacturing process, the above winding a plurality of loose tubes outside the above central strength member to form a cable core further includes: a plurality of the loose tubes are fixed to the central reinforcing member by means of a tying yarn.
As an alternative of the optical cable manufacturing process, the placing of the cable core into the pasting device comprises: and drawing the cable core along a straight line so that the cable core passes through a second soft ointment scraping die of the ointment coating device.
As an alternative of the optical cable manufacturing process, the aperture of the oil scraping hole of the second soft oil scraping die is smaller than or equal to the diameter of the cable core.
As an alternative of the optical cable manufacturing process, after the cable core is placed in the paste applying device and before the cable core is placed in the extrusion molding device, the optical cable manufacturing process further comprises: and arranging a metal belt outside the cable core by using a longitudinal covering molding mode.
As an alternative of the above optical cable manufacturing process, after the sheath is processed outside the cable core by the above extrusion molding device, the method further includes: and measuring the diameter of the optical cable, and carrying out spark detection on the optical cable.
As an alternative to the above optical cable manufacturing process, before measuring the diameter of the optical cable, the method further comprises: and cooling the sheath.
The invention has the beneficial effects that:
in the optical cable manufacturing process, put into the device of scribbling cream earlier central reinforcement, scribble the oleamen through the device of scribbling cream on central reinforcement, then twine a plurality of pine sleeve pipes on the central reinforcement after the oleamen of coating, use the device of scribbling cream again and scribble the oleamen on a plurality of pine sleeve pipes, and then through the mode of secondary coated oleamen, can avoid adopting pressure type oleamen machine to impress the oleamen when gap between the pine sleeve pipe and cable core are inside, need carry out the condition of repeatedly adjusting to the pressure of the oleamen of impressing. Meanwhile, the filling of the cable core can be easily realized to be full through the mode of coating the factice for the second time, so that the condition that the inside of the cable core is filled incompletely and water seepage is avoided, and further the influence on the waterproof performance of the optical cable is avoided. The cable core is placed into the extrusion molding device, and the sheath is processed outside the cable core through the extrusion molding device so as to be used for protecting the cable core.
Drawings
Fig. 1 is a schematic flow chart of a process for manufacturing an optical cable according to an embodiment of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Where the terms "first position" and "second position" are two different positions, and where a first feature is "over", "above" and "on" a second feature, it is intended that the first feature is directly over and obliquely above the second feature, or simply means that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
The embodiment provides an optical cable manufacturing process for manufacturing an optical cable.
As shown in fig. 1, the optical cable manufacturing process includes the following steps:
putting the central reinforcement into a pasting device, and coating ointment on the central reinforcement through the pasting device;
winding a plurality of loose tubes outside of a central strength member to form a cable core;
putting the cable core into a paste coating device, and coating the paste on the cable core through the paste coating device;
and putting the cable core into an extrusion molding device, and processing a sheath outside the cable core through the extrusion molding device to form the optical cable.
In the process of manufacturing the optical cable, the central reinforcing piece is placed into the paste coating device, the paste is coated on the central reinforcing piece through the paste coating device, then the plurality of loose tubes are wound on the central reinforcing piece coated with the paste, the paste coating device is used for coating the paste on the plurality of loose tubes, and then the situation that when a pressure type paste machine is adopted to press the paste into gaps among the loose tubes and the interior of the cable core, repeated adjustment needs to be carried out on the pressure of the pressed paste can be avoided through a secondary paste coating mode. Meanwhile, the filling of the cable core can be easily realized to be full through the mode of coating the factice for the second time, so that the condition that the inside of the cable core is filled incompletely and water seepage is avoided, and further the influence on the waterproof performance of the optical cable is avoided. Wherein, put into extrusion molding device with the cable core, process out the sheath through extrusion molding device outside the cable core to be used for protecting the cable core.
Specifically, put into the device of scribbling the cream with central reinforcement, including drawing central reinforcement along the straight line to make central reinforcement pass the first soft ointment mould of scraping of scribbling the cream device, and then through drawing central reinforcement along the straight line, can make first soft ointment mould of scraping carry out the coating ointment at the surface of central reinforcement uniformly, avoid central reinforcement to produce at the coating ointment in-process and buckle. Wherein, when the diameter of center reinforcement appears undulant grow, center reinforcement can extrude the frizing hole aperture that enlarges first soft frizing oil cream mould slightly to avoid the card of center reinforcement that factors such as the diameter of center reinforcement is undulant to cause to break, take place unusually with this reduction. Optionally, the aperture of the oil scraping hole of the first soft ointment scraping mold is larger than the diameter of the central reinforcement, and the diameter difference between the aperture of the oil scraping hole of the first soft ointment scraping mold and the diameter of the central reinforcement ranges from 0.6mm to 1mm, so that the first soft ointment scraping mold can coat the ointment on the central reinforcement, and the first soft ointment scraping mold is prevented from directly scraping off the ointment on the central reinforcement.
Further, twine a plurality of loose tubes in the central reinforcement outside in order to form the cable core, including the mode that uses the SZ transposition with a plurality of loose tubes twine in the central reinforcement outside, in order to reduce the gap between arbitrary two adjacent loose tubes, reduce the overall diameter of cable core promptly, need not to remain the gap between loose tube and the loose tube again, and then can do little with the diameter of central reinforcement, make the overall diameter of optical cable do for a short time, on the basis of guaranteeing optical cable mechanical properties and environmental performance, practice thrift a large amount of materials, the cost is reduced, strengthen the product competitiveness. Meanwhile, the plurality of loose tubes are wound on the outer side of the central reinforcing part to form the cable core, the plurality of loose tubes are fixed on the central reinforcing part in a yarn binding mode to avoid falling of the loose tubes, and the cable core subjected to yarn binding can be wound on a winding drum to be transported as an intermediate product.
Furthermore, the cable core is placed into the paste coating device, the cable core is pulled along the straight line, so that the cable core penetrates through a second soft paste scraping die of the paste coating device, and then the second soft paste scraping die can uniformly coat the paste on the outer surface of the cable core by pulling the cable core along the straight line, and the cable core is prevented from being bent in the paste coating process. When a cable core with a larger diameter is coated, the cable core can extrude and enlarge the aperture of the oil scraping hole of the second soft oil scraping ointment die, so that the cable core is prevented from being broken due to factors such as diameter fluctuation of the cable core, and abnormal occurrence is reduced. Optionally, the aperture of the oil scraping hole of the second soft ointment scraping die is smaller than or equal to the diameter of the cable core, so that the second soft ointment scraping die can coat ointment into the arc-shaped groove between the loose tube and the loose tube.
Further, put into the cable core and scribble the back in the cream device to and put into extrusion molding device with the cable core before, still locate the cable core outside with the strap including using the fashioned mode of indulging the package, in order to seal the protection to the cable core, avoid the oleamen to drop from the cable core, and at processing sheath in-process, avoid the oleamen to pollute extrusion molding device. Simultaneously, behind the sheath of processing out outside the cable core through extrusion molding device, still including the diameter of measuring the optical cable to carry out spark detection to the optical cable, and then ensure that the diameter of optical cable accords with the demand of optical cable manufacturing process, and whether detect the optical cable simultaneously has leak broken skin and surface impurity, wherein, measure earlier the diameter of optical cable and can also conveniently adjust the used equipment of spark detection, with the degree of accuracy that improves the spark detection. Optionally, before measuring the diameter of the optical cable, cooling the sheath to prevent the uncured factice and the sheath softened at high temperature from affecting the measurement of the diameter of the optical cable, so as to form a measurement error.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. An optical cable manufacturing process is characterized by comprising the following steps:
putting a central reinforcing piece into a paste coating device, and coating paste on the central reinforcing piece through the paste coating device;
winding a plurality of loose tubes outside the central strength member to form a cable core;
putting the cable core into the paste coating device, and coating the paste on the cable core through the paste coating device;
and putting the cable core into an extrusion molding device, and processing a sheath outside the cable core through the extrusion molding device to form the optical cable.
2. The fiber optic cable manufacturing process of claim 1, wherein placing the central strength member in a pasting device comprises: pulling the central stiffener in a straight line so that the central stiffener passes through a first soft squeegee die of the paste applicator.
3. The optical cable manufacturing process according to claim 2, wherein the diameter of the oil scraping hole of the first soft ointment scraping die is larger than the diameter of the central reinforcing member, and the diameter difference between the diameter of the oil scraping hole of the first soft ointment scraping die and the diameter of the central reinforcing member is in the range of 0.6mm to 1mm.
4. The fiber optic cable manufacturing process of claim 1, wherein the winding a plurality of loose tubes outside the central strength member to form a cable core comprises: and winding a plurality of the loose tubes on the outer side of the central reinforcing member in an SZ twisting manner to reduce a gap between any two adjacent loose tubes.
5. The fiber optic cable manufacturing process of claim 1, wherein the winding of the plurality of loose tubes outside the central strength member to form a cable core further comprises: a plurality of said loose tubes are secured to said central reinforcement member by means of a tying yarn.
6. The optical cable manufacturing process of claim 1, wherein said placing said cable core into said pasting device comprises: and drawing the cable core along a straight line so that the cable core passes through a second soft ointment scraping die of the ointment applying device.
7. The optical cable manufacturing process according to claim 6, wherein the aperture of the oil scraping hole of the second soft oil scraping die is smaller than or equal to the diameter of the cable core.
8. The process for manufacturing an optical cable according to claim 1, further comprising, after placing said cable core in said pasting device and before placing said cable core in said extrusion device: and arranging a metal belt outside the cable core in a longitudinal covering and forming mode.
9. The process for manufacturing an optical cable according to claim 1, further comprising, after the step of processing a sheath outside the cable core by the extrusion device: measuring the diameter of the fiber optic cable and performing spark detection on the fiber optic cable.
10. The process for manufacturing an optical cable according to claim 9, further comprising, before measuring the diameter of the optical cable: cooling the jacket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210957415.2A CN115308863A (en) | 2022-08-10 | 2022-08-10 | Optical cable manufacturing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210957415.2A CN115308863A (en) | 2022-08-10 | 2022-08-10 | Optical cable manufacturing process |
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| Publication Number | Publication Date |
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| CN115308863A true CN115308863A (en) | 2022-11-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210957415.2A Pending CN115308863A (en) | 2022-08-10 | 2022-08-10 | Optical cable manufacturing process |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103744155A (en) * | 2014-01-21 | 2014-04-23 | 汕头高新区奥星光通信设备有限公司 | Ointment filling technology |
| CN205844587U (en) * | 2016-05-31 | 2016-12-28 | 富通光纤光缆（深圳）有限公司 | A kind of stranded mould of optical cable core |
| CN109358399A (en) * | 2018-12-03 | 2019-02-19 | 江苏南方通信科技有限公司 | Layer Cutter Mini Cable series connection process units and its production technology |
| CN111239943A (en) * | 2020-02-18 | 2020-06-05 | 通鼎互联信息股份有限公司 | Paste coating device for optical cable and ointment filling process thereof |
| WO2021082685A1 (en) * | 2019-10-29 | 2021-05-06 | 江苏亨通光电股份有限公司 | Ultra-high-density and high-fiber-count air-blown microcable and manufacturing process thereof |
-
2022
- 2022-08-10 CN CN202210957415.2A patent/CN115308863A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103744155A (en) * | 2014-01-21 | 2014-04-23 | 汕头高新区奥星光通信设备有限公司 | Ointment filling technology |
| CN205844587U (en) * | 2016-05-31 | 2016-12-28 | 富通光纤光缆（深圳）有限公司 | A kind of stranded mould of optical cable core |
| CN109358399A (en) * | 2018-12-03 | 2019-02-19 | 江苏南方通信科技有限公司 | Layer Cutter Mini Cable series connection process units and its production technology |
| WO2021082685A1 (en) * | 2019-10-29 | 2021-05-06 | 江苏亨通光电股份有限公司 | Ultra-high-density and high-fiber-count air-blown microcable and manufacturing process thereof |
| CN111239943A (en) * | 2020-02-18 | 2020-06-05 | 通鼎互联信息股份有限公司 | Paste coating device for optical cable and ointment filling process thereof |
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