CN109358399B - Layer-stranded miniature optical cable series production device and production process thereof - Google Patents
Layer-stranded miniature optical cable series production device and production process thereof Download PDFInfo
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- CN109358399B CN109358399B CN201811464178.6A CN201811464178A CN109358399B CN 109358399 B CN109358399 B CN 109358399B CN 201811464178 A CN201811464178 A CN 201811464178A CN 109358399 B CN109358399 B CN 109358399B
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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
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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
- G02B6/4483—Injection or filling devices
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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
- G02B6/4486—Protective covering
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- Optics & Photonics (AREA)
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Abstract
The invention discloses a layer-stranded miniature optical cable series production device and a production process thereof, wherein the production device comprises: strengthen core pay off rack, double round tension control device, hank cage pay off rack, oleamen filling device and sheath forming device, strengthen core pay off rack in proper order with double round tension control device, hank cage pay off rack, oleamen filling device and sheath forming device cloth discharge electric connection in proper order. The production process comprises the following steps: paying off the reinforcing piece under the reinforcing core pay-off rack; continuously paying off through a double-wheel tension control device; spirally twisting the twisting units into a spirally twisted cable core under a stranding cage pay-off rack; filling ointment into the spirally twisted cable core and blocking water when the spirally twisted cable core passes through an ointment filling device; and directly performing sheath forming after filling, and sequentially performing sheath extrusion molding machine heads, water tanks, traction and take-up frames. The invention solves the problems of bundle pipe puncture and cable core blocking, simultaneously reduces the process steps and the turnover area of the semi-finished cable core, saves a large amount of turnover cable cores and material cost, and improves the production efficiency.
Description
Technical Field
The invention relates to the technical field of micro optical cable manufacturing, in particular to a layer-stranded micro optical cable series production device and a production process thereof.
Background
The miniature optical cable has small diameter, so that the number of the optical cables and the number of cores can be increased by times in the pipeline with the same outer diameter, the utilization efficiency of the pipe hole is relatively high, and the miniature optical cable is widely applied to various layers of a communication network. The production process of the layer-stranded micro optical cable generally adopts two independent production procedures of cable core cabling and sheath to complete production after sleeve production, the cable core cabling adopts SZ positive and negative stranding, the cable core is fixed by binding yarn with certain tension outside the cable core, and the cable core is subjected to the sheath procedure to produce the optical cable sheath after a semi-finished product is formed. Because the wall thickness of the sleeve of the miniature optical cable is thin, the bundle tube can be damaged by too large yarn binding tension outside the cable core and too tight yarn binding during cabling, the additional attenuation of the optical fiber is increased, and if the yarn binding is broken, the cable core in the sheath procedure can be blocked or bulge can be caused, so that the product quality is influenced.
Disclosure of Invention
The technical problem mainly solved by the invention is to provide a layer-stranded micro optical cable series production device and a production process thereof, wherein no binding yarn is needed outside a cable core, the problems of bundle pipe puncture and cable core blockage are solved, meanwhile, the process steps and the turnover area of a semi-finished cable core are reduced, a large amount of turnover cable cores and material cost are saved, and the production efficiency is improved.
In order to solve the technical problems, the invention adopts a technical scheme that: the utility model provides a miniature optical cable of layer stranding establishes ties apparatus for producing includes:
the reinforcing core pay-off rack is used for paying off the reinforcing piece;
a dual wheel tension control device for controlling the tension of the reinforcement;
the stranding cage pay-off rack is used for paying off and spirally stranding the stranding units into a spirally stranded cable core, and meanwhile, the paying-off tension of the stranding units is adjusted and the stranding pitch of the stranding units is controlled;
the factice filling device is used for filling factice of the spirally twisted cable core;
a jacket forming device comprising: the jacket extruder, the water tank and the traction and take-up frame are used for jacket extrusion, cooling molding and finished product winding of the spirally stranded cable core.
In a preferred embodiment of the invention, the sheath extruder is provided with a sheath extruding machine head and an extruding mould for continuous extrusion molding of the micro optical cable sheath.
In a preferred embodiment of the invention, the sheath extrusion molding machine head is electrically connected with the water tank, the traction frame and the take-up frame in sequence.
In a preferred embodiment of the invention, the reinforcing core pay-off rack is electrically connected with the double-wheel tension control device, the stranding cage pay-off rack, the ointment filling device and the sheath extruder in sequence.
In order to solve the technical problem, the invention adopts another technical scheme that: the layer-stranded miniature optical cable series production process is adopted to carry out cabling and sheath continuous production, and comprises the following steps:
(1) paying off the reinforcing piece under the action of a reinforcing core paying off frame;
(2) winding the reinforcing piece on a double-wheel tension control device to control the paying-off tension of the reinforcing piece;
(3) the twisting units are respectively paid out by each unit pay-off rack in the stranding cage pay-off rack and control the pay-off tension, the twisting units are twisted spirally at a certain pitch under the rotation action of the stranding cage pay-off rack, and the twisting units are twisted around a reinforcing piece penetrating through a middle through hole of the stranding cage pay-off rack to form a spirally twisted cable core;
(4) filling water-blocking ointment when the spirally twisted cable core passes through an ointment filling device;
(5) the filled cable core directly enters a sheath forming device for sheath forming, namely, the factice filled spiral twisted cable core is extruded by a sheath extrusion molding machine head to form a sheath layer and cooled and formed by a water flowing groove to form a micro optical cable, the micro optical cable is drawn after being cooled, and finally the whole micro optical cable is wound on a winding frame, and the whole sheath finished product optical cable is produced.
In a preferred embodiment of the present invention, in step (1), the paying-off speed of the reinforcement is 10-100 m/min, and the paying-off tension is 10-80N.
In a preferred embodiment of the present invention, in the step (2), the paying-off speed of the reinforcement is 10-100 m/min, and the paying-off tension is 10-80N.
In a preferred embodiment of the present invention, the outer diameter of the twisting unit is controlled to be 0.8-1.8 mm.
In a preferred embodiment of the present invention, the paying-off speed of the twisting unit in step (3) is 10-100 m/min, and the paying-off tension is 1-5N.
In a preferred embodiment of the present invention, the twisting pitch of the twisting unit in step (3) is 50 to 500 mm.
The invention has the beneficial effects that:
1. the cable core beam tube adopts the spiral stranding production process, avoids the phenomenon of increased optical fiber loss caused by the puncture of the beam tube, and improves the reliability of the optical cable.
2. According to the in-series production device for the cabling sheath, the cabling process and the sheath production process are synchronously performed in series, so that the storage space required by the turnover of semi-finished products and the storage space of the semi-finished products are avoided, the process steps are reduced, and the production efficiency is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic structural diagram of a preferred embodiment of the tandem production apparatus for layer-stranded micro optical cables of the present invention;
the parts in the drawings are numbered as follows: 1. the cable comprises a reinforced core pay-off rack, 2, a double-wheel tension control device, 3, a stranding cage pay-off rack, 4, an ointment filling device, 5, a sheath extruder, 6, a sheath extrusion molding machine head and an extrusion molding die, 7, a water tank, 8, traction, 9, a take-up rack, 10, a reinforcement, 11, a spiral stranded cable core, 12 and a sheath finished optical cable.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, an embodiment of the present invention includes:
a layer-stranding micro-optical cable series production device comprises:
the reinforcing core pay-off rack 1 is used for paying off the reinforcing piece;
a double-wheel tension control device 2 for controlling the tension of the reinforcement;
a stranding cage pay-off rack 3 for paying off and spirally stranding the stranding units into a spirally stranded cable core,
meanwhile, the paying-off tension of the twisting unit is adjusted, and the twisting pitch of the twisting unit is controlled;
the factice filling device 4 is used for filling factice of the spirally twisted cable core;
sheath forming device for the sheath shaping of spiral transposition cable core includes: the device comprises a sheath extruder 5, a water tank 7, a traction 8 and a take-up stand 9, wherein a sheath extrusion molding machine head and an extrusion molding die 6 are arranged on the sheath extruder 5, and the sheath extrusion molding machine head 6 is sequentially arranged on and electrically connected with the water tank 7, the traction 8 and the take-up stand 9;
the reinforced core pay-off rack 1 is sequentially distributed and electrically connected with the double-wheel tension control device 2, the stranding cage pay-off rack 3, the factice filling device 4 and the sheath extrusion molding machine head 6.
Preferably, the twisting unit is a microbeam tube.
A layer-stranded miniature optical cable series production process adopts the miniature optical cable series production device to produce, and the production process comprises the following steps:
(1) paying off the reinforcing member 10 under the action of the reinforcing core pay-off rack 1, wherein the paying-off speed of the reinforcing member 10 is 10-100 m/min, and the paying-off tension is 10-80N;
(2) winding the reinforcing part 10 on the double-wheel tension control device 2 to continue paying off, wherein the paying off speed of the reinforcing part 10 is 10-100 m/min, and the paying off tension is 10-80N;
(3) the stranding units are respectively paid out by each unit pay-off rack in the stranding cage pay-off rack 3 and pay-off tension is controlled, the stranding units are helically stranded at a certain pitch under the rotation action of the stranding cage pay-off rack, the stranding units are stranded around a reinforcing piece penetrating through a middle through hole of the stranding cage pay-off rack 3 to form a helically stranded cable core 11, the outer diameter of each stranding unit is controlled to be 0.8-1.8 mm, the pay-off speed of each stranding unit is 10-100 m/min, the pay-off tension is 1-5N, and the stranding pitch of each stranding unit is 50-500 mm;
(4) ointment filling and water blocking are carried out when the spirally twisted cable core 11 passes through the ointment filling device 4;
(5) and (3) directly performing sheath forming after filling, extruding a sheath layer of the spiral stranded cable core 11 filled with factice through a sheath extrusion molding machine head and an extrusion molding die 6 to form a micro optical cable 12, cooling the micro optical cable through a water tank 7, cooling the micro optical cable, then drawing the micro optical cable 8, and finally completing the winding of the whole micro optical cable 12 on a winding frame 9 to complete the production of the whole sheath finished optical cable 12.
The layer-stranded miniature optical cable series production device and the production process thereof have the beneficial effects that:
1. the miniature optical cable adopts the stranding cage pay-off rack to carry out constant-tension spiral stranding, and directly stranding the stranding units on the surface of the cable core, compared with SZ positive and negative stranding, the working procedure of yarn tying on the surface of the cable core is reduced, a large amount of raw materials are saved, and the influence on the cable core caused by yarn tying, pricking, breaking and blocking of the stranding units is reduced.
2. The independent tension control of the stranding unit can adjust the paying-off tension on line in real time according to the excess length of the optical fiber in the stranding unit.
3. The cabling and sheath procedure series production device of the whole micro optical cable ensures that the cabling sheath is produced on the same line at the same time, the cabled cable core does not need to enter the stock cable core, the turnover of the stocked cable core after cabling is avoided, certain labor force and the turnover amount of semi-finished products are saved, the procedure steps are reduced, and the production efficiency is improved.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. The utility model provides a miniature optical cable series production device of layer-stranding, its characterized in that includes:
the reinforcing core pay-off rack is used for paying off the reinforcing piece;
a dual wheel tension control device for controlling the tension of the reinforcement;
the stranding cage pay-off rack is used for paying off and spirally stranding the stranding units into a spirally stranded cable core, and meanwhile, the paying-off tension of the stranding units is adjusted and the stranding pitch of the stranding units is controlled;
the factice filling device is used for filling factice of the spirally twisted cable core;
a jacket forming device comprising: the sheath extruder, the water tank and the traction and take-up stand are used for sheath extrusion, cooling forming and finished product winding of the spirally stranded cable core;
the layer-stranded miniature optical cable series production device is adopted to carry out cabling and sheath continuous production, and the layer-stranded miniature optical cable series production process comprises the following steps:
(1) paying off the reinforcing piece under the action of a reinforcing core paying off frame;
(2) winding the reinforcing piece on a double-wheel tension control device to control the paying-off tension of the reinforcing piece;
(3) the stranding units are respectively paid out by each unit pay-off rack in the stranding cage pay-off rack and control paying-off tension, the stranding units are spirally stranded at a certain pitch under the rotation action of the stranding cage pay-off rack, the stranding units are stranded around a reinforcing piece penetrating through a middle through hole of the stranding cage pay-off rack to form a spirally stranded cable core, the paying-off speed of the stranding units is 10-100 m/min, the paying-off tension is 1-5N, and the stranding pitch of the stranding units is 50-500 mm;
(4) filling water-blocking ointment when the spirally twisted cable core passes through an ointment filling device;
(5) the filled cable core directly enters a sheath forming device for sheath forming, namely, the factice filled spiral twisted cable core is extruded by a sheath extrusion molding machine head to form a sheath layer and cooled and formed by a water flowing groove to form a micro optical cable, the micro optical cable is drawn after being cooled, and finally the whole micro optical cable is wound on a winding frame, and the whole sheath finished product optical cable is produced.
2. The apparatus for producing a layer-stranded micro optical cable in series according to claim 1, wherein the sheath extruder is provided with a sheath extruding head and an extruding die.
3. The tandem production device for the layer-stranded micro optical cable according to claim 2, wherein the sheath extrusion molding machine head is electrically connected with the water tank, the traction frame and the take-up frame in sequence.
4. The layer-stranded micro optical cable series production device of claim 1, wherein the reinforcing core pay-off rack is electrically connected with the double-wheel tension control device, the stranding cage pay-off rack, the ointment filling device and the sheath extruder in sequence.
5. The layer-stranded micro optical cable serial production device of claim 1, wherein in the step (1), the paying-off speed of the reinforcing member is 10-100 m/min, and the paying-off tension is 10-80N.
6. The tandem production device for the layer-stranded micro optical cable according to claim 1, wherein the paying-off speed of the reinforcing member in the step (2) is 10-100 m/min, and the paying-off tension is 10-80N.
7. The layer-stranded micro optical cable serial production device according to claim 1, wherein the outer diameter of the stranded unit is controlled to be 0.8-1.8 mm.
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| CN201811464178.6A CN109358399B (en) | 2018-12-03 | 2018-12-03 | Layer-stranded miniature optical cable series production device and production process thereof |
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| CN201811464178.6A CN109358399B (en) | 2018-12-03 | 2018-12-03 | Layer-stranded miniature optical cable series production device and production process thereof |
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| CN109358399B true CN109358399B (en) | 2020-11-03 |
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| CN115308863A (en) * | 2022-08-10 | 2022-11-08 | 广东亨通光电科技有限公司 | Optical cable manufacturing process |
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| JP2002303771A (en) * | 2001-04-06 | 2002-10-18 | Fujikura Ltd | Sz slot for optical fiber cable and its manufacturing method |
| CN102313946B (en) * | 2011-08-03 | 2013-01-09 | 江苏中天科技股份有限公司 | Butterfly-shaped cluster optical cable and manufacturing method thereof |
| CN102662220A (en) * | 2012-05-15 | 2012-09-12 | 珠海汉胜科技股份有限公司 | Loosely sleeved layer-stranded full-dry optical cable and manufacturing method thereof |
| CN203587863U (en) * | 2013-11-22 | 2014-05-07 | 长飞光纤光缆股份有限公司 | Air-blowing minisize layer-stranding cable |
| CN205665442U (en) * | 2016-05-16 | 2016-10-26 | 西安西古光通信有限公司 | Layer -stranding cable's integrative apparatus for producing of stranding sheath |
| CN107797206B (en) * | 2017-11-30 | 2020-01-14 | 长飞光纤光缆股份有限公司 | Production equipment and production method of high-density optical fiber bundle micro-unit optical cable |
| CN107870402B (en) * | 2017-11-30 | 2020-01-14 | 长飞光纤光缆股份有限公司 | Loose-sleeve layer stranded optical cable and cabling device and cabling process thereof |
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