CN109445049B - Optical cable spraying process and corresponding spraying device thereof - Google Patents
Optical cable spraying process and corresponding spraying device thereof Download PDFInfo
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- CN109445049B CN109445049B CN201811580038.5A CN201811580038A CN109445049B CN 109445049 B CN109445049 B CN 109445049B CN 201811580038 A CN201811580038 A CN 201811580038A CN 109445049 B CN109445049 B CN 109445049B
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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
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/44384—Means specially adapted for strengthening or protecting the cables the means comprising water blocking or hydrophobic materials
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Optics & Photonics (AREA)
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Abstract
The invention provides an optical cable spraying process, which attaches ointment to the corresponding surface position of an optical cable in a mist form, achieves the water blocking effect, reduces the overall weight of the optical cable, and reduces the difficulty and cost of optical cable transportation. The method comprises the steps of performing ointment spraying on the outer peripheral surface of a reinforcing piece forming a cable core in advance, performing ointment spraying on the inner surface of a composite belt facing the cable core in advance, twisting the reinforcing piece and optical fibers, arranging the twisted reinforcing piece and the twisted optical fibers on a sleeve to form the cable core, and coating one surface of a spraying ointment of the composite belt on the outer peripheral surface of the cable core and coating the outer surface of an ungpraed ointment of the composite belt by a sheath when the sheath procedure is produced.
Description
Technical Field
The invention relates to the technical field of cable manufacturing, in particular to an optical cable spraying process, and further provides a corresponding spraying device.
Background
The optical cable mainly comprises a plurality of optical fibers, a sleeve and various external protective layers. Under the moist condition, the moisture can cause the water peak of the optical fiber to be attenuated, so that the transmission performance is reduced; and meanwhile, the penetration corrosion easily causes the breakage of optical fibers, which brings the risk of interruption to a communication system and seriously threatens the business application of customers. In order to ensure the water blocking capability of the communication optical cable, the conventional method is to use an oil-filled optical cable, and the ointment has excellent thixotropic property and water blocking property, so that the optical fiber can have good buffering effect, vibration prevention and water prevention effects, and the water blocking effect is achieved by filling all the spaces in the sleeve in the optical cable with the water blocking ointment.
The cable core is not filled with ointment during the production of the cable forming process in the optical cable manufacturing process, the ointment is filled during the production of the sheath process, and all gaps of the cable core are ensured to be filled with the ointment by adopting the full-section filling, so that the weight of the optical cable is increased, and the difficulty and the cost of the optical cable transportation are improved by the optical cable produced by the process.
Disclosure of Invention
In order to solve the problems, the invention provides an optical cable spraying process, which attaches ointment to the corresponding surface position of an optical cable in a mist form, achieves a water blocking effect, reduces the overall weight of the optical cable, and reduces the difficulty and cost of optical cable transportation.
An optical cable spraying process is characterized in that: the method comprises the steps of performing ointment spraying on the outer peripheral surface of a reinforcing piece forming a cable core in advance, performing ointment spraying on the inner surface of a composite belt facing the cable core in advance, twisting the reinforcing piece and optical fibers, arranging the twisted reinforcing piece and the twisted optical fibers on a sleeve to form the cable core, and coating one surface of a spraying ointment of the composite belt on the outer peripheral surface of the cable core and coating the outer surface of an ungpraed ointment of the composite belt by a sheath when the sheath procedure is produced.
It is further characterized by:
when spraying, the ointment is conveyed to a spray gun through an ointment pump, the ointment spraying effect is controlled through an ointment pressure cylinder, a spraying pressure cylinder and a mist spray gun when the spray gun is used for spraying, the gap type mist spraying is controlled through an electromagnetic valve, the water seepage effect of the optical cable is ensured, and meanwhile, the using amount of the ointment is reduced, so that the total weight of the optical cable is reduced;
the outer peripheral surface of the reinforcement member is sprayed integrally through at least two spray heads, so that the outer peripheral surface of the reinforcement member is ensured to be sprayed with ointment spray;
the outer peripheral surface of the composite belt only needs to spray ointment towards the inner surface of the cable core, and the other surface of the composite belt does not need to spray, so that the other surface of the composite belt and the sheath are ensured to be overmolded.
An ointment spraying device, characterized in that: the spraying device comprises a circular arc-shaped track and at least two spraying heads, wherein a track locking structure is arranged at the rear end of each spraying head, the track locking structure clamps the corresponding angle position of the circular arc-shaped track, a front end spraying outlet of each spraying head is arranged towards the surface of a material in the circular arc-shaped track, each spraying head comprises an ointment inlet at the center of the rear part and an air inlet at one side of the outer ring surface of the rear part, the spraying outlets are communicated with the outlet end of the ointment inlet, a plurality of air outlets are uniformly distributed in the circumferential direction of each spraying outlet, and the air inlets are connected to the corresponding air outlets through internal pipelines.
It is further characterized by:
the spray head specifically comprises an ointment cap, an air inlet valve and an ointment pressure valve, wherein an ointment cavity is axially arranged in the center of the ointment cap, a backward convex ointment inlet is formed in the rear end of the center of the ointment cavity, a forward convex and a backward closing ointment outlet are formed in the front end of the ointment cavity, the ointment pressure valve is arranged in the ointment cavity, a first external thread is arranged at the rear position of the outer annular surface of the main body of the ointment cavity, a second external thread is arranged in the middle area of the outer annular surface of the main body of the ointment cavity, the air inlet valve is sleeved on the first external thread, the air cap thread is sleeved on the second external thread, the opposite end surfaces of the air inlet valve and the air cap are tightly sealed, the air outlet end of the air inlet valve is connected with an air inlet annular groove of the air cap, the air inlet annular groove is connected to a corresponding air outlet through a plurality of internal pipelines, the air outlet is annularly distributed on the periphery of the ointment outlet, and the air outlet cavity and the ointment outlet of the air cap form a spray outlet combination.
The track locking structure comprises two positioning blocks which are arranged in parallel at intervals, the interval between the two positioning blocks is used for placing the circular arc track, the positioning blocks positioned on the outer side are in threaded connection with adjusting nuts, and the adjusting nuts are used for fixing the positioning blocks and the circular arc track;
when the outer peripheral surface of the material needs to be sprayed integrally, the adjacent interval angles of the spray heads are enlarged, so that the combined spraying range of the spray heads covers the outer peripheral surface of the material, and when the material needs to be sprayed on only one surface, the adjacent interval angles of the spray heads are reduced or only one spray head is used for spraying.
After the invention is adopted, the reinforcing piece is enabled to be adhered with a layer of ointment on the reinforcing surface through the cable ointment atomization equipment in the production process of the cable core in advance, so that the exposed surface of the cable core is inflated to block gaps after meeting water, no redundant water enters the cable core, and a layer of ointment is evenly adhered on the surface of the composite belt in advance in the production process of the sheath, thereby playing a role in blocking water of the optical cable; the ointment is attached to the corresponding surface position of the optical cable in a mist form, so that the water blocking effect is achieved, the overall weight of the optical cable is reduced, and the difficulty and cost of optical cable transportation are reduced.
Drawings
FIG. 1 is a schematic diagram of a spray device according to the present invention;
FIG. 2 is a cross-sectional view of a spray head of the present invention;
the names corresponding to the serial numbers in the figures are as follows:
arc track 1, atomising head 2, track locking structure 3, locating piece 31, adjusting nut 32, spraying export 4, material 5, oleamen import 6, air inlet 7, gas outlet 9, internal piping 10, oleamen cap 11, air cap 12, admission valve 13, oleamen pressure valve 14, oleamen chamber 15, oleamen export 16, first external screw thread 17, second external screw thread 18, air inlet ring groove 19, air outlet chamber 20.
Detailed Description
An optical cable spraying process comprises the following steps: the method comprises the steps of performing ointment spraying on the outer peripheral surface of a reinforcing piece forming a cable core in advance, performing ointment spraying on the inner surface of a composite belt facing the cable core in advance, twisting the reinforcing piece and optical fibers, arranging the twisted reinforcing piece and the twisted optical fibers on a sleeve to form the cable core, and coating one surface of a spraying ointment of the composite belt on the outer peripheral surface of the cable core and coating the outer surface of an ungpraed ointment of the composite belt by a sheath when the sheath procedure is produced.
When spraying, the ointment is conveyed to a spray gun through an ointment pump, the ointment spraying effect is controlled through an ointment pressure cylinder, a spraying pressure cylinder and a mist spray gun when the spray gun is used for spraying, the gap type mist spraying is controlled through an electromagnetic valve, the water seepage effect of the optical cable is ensured, and meanwhile, the using amount of the ointment is reduced, so that the total weight of the optical cable is reduced;
the outer peripheral surface of the reinforcement member is sprayed integrally through at least two spray heads, so that the outer peripheral surface of the reinforcement member is ensured to be sprayed with ointment spray;
the outer peripheral surface of the composite belt only needs to spray ointment towards the inner surface of the cable core, and the other surface of the composite belt does not need to spray, so that the other surface of the composite belt and the sheath are ensured to be overmolded.
An ointment spraying device is shown in fig. 1 and 2: the spraying device comprises a circular arc-shaped track 1 and at least two spraying heads 2, wherein a track locking structure 3 is arranged at the rear end of each spraying head 2, the track locking structure 3 clamps the corresponding angle position of the circular arc-shaped track 1, a front end spraying outlet 4 of each spraying head 2 is arranged towards the surface of a material 5 in the circular arc-shaped track 1, each spraying head 2 comprises an ointment inlet 6 at the center position of the rear part, an air inlet 7 at one side of the outer ring surface of the rear part, the spraying outlets 4 are communicated with the outlet end of the ointment inlet 6, a plurality of air outlets 9 are uniformly distributed in the circumferential direction of each spraying outlet 4, and the air inlets 7 are connected to the corresponding air outlets 9 through internal pipelines 10.
The spray head 2 is specifically composed of an ointment cap 11, an air cap 12, an air inlet valve 13 and an ointment pressure valve 14, wherein an ointment cavity 15 is axially arranged in the center of the ointment cap 11, a backward convex ointment inlet 6 is arranged at the rear end of the center of the ointment cavity 15, a forward convex and a backward closing ointment outlet 16 are arranged at the front end of the ointment cavity 15, the ointment pressure valve 14 is arranged in the ointment cavity 15, a first external thread 17 is arranged at the rear position of the outer annular surface of the main body of the ointment cavity 15, a second external thread 18 is arranged in the middle area of the outer annular surface of the main body of the ointment cavity 15, the air inlet valve 13 is sleeved on the first external thread 17, the air cap 12 is sleeved on the second external thread 18, the opposite end surfaces of the air inlet valve 13 and the air cap 12 are tightly sealed, the air outlet end of the air inlet valve 13 is connected with an air inlet annular groove 19 of the air cap 12, the air inlet annular groove 19 is connected to a corresponding air outlet 9 through a plurality of internal pipelines 10, the air outlet 9 is annularly arranged at the periphery of the ointment outlet 16, and the air outlet 16 of the air outlet cavity 12 is combined to form a spray outlet 4;
the circular arc-shaped track 1 is of a strip-shaped structure with a certain thickness, the track locking structure 3 comprises two positioning blocks 31 which are arranged in parallel at intervals, the interval between the two positioning blocks 31 is used for placing the circular arc-shaped track 1, the positioning block 31 positioned at the outer side is in threaded connection with an adjusting nut 32, and the adjusting nut 32 is used for fixing the positioning block 31 and the circular arc-shaped track 1;
when the outer peripheral surface of the material 5 needs to be sprayed integrally, the adjacent interval angles of the spray heads 2 are enlarged, so that the combined spraying range of the spray heads 2 covers the outer peripheral surface of the material 5, and when the material 5 only needs to be sprayed on one surface, the adjacent interval angles of the spray heads 2 are reduced or only one spray head is used for spraying.
In the production process of the cable core, the reinforcing piece is enabled to enable the reinforcing surface to be attached with a layer of ointment through the cable ointment atomizing equipment in advance, so that the gap is blocked by the expansion of the ointment after the exposed surface of the cable core meets water, no redundant water enters the cable core, and a layer of ointment is evenly attached to the surface of the composite tape in advance in the production process of the sheath, so that the optical cable water blocking effect is achieved; the ointment is attached to the corresponding surface position of the optical cable in a mist form, so that the water blocking effect is achieved, the overall weight of the optical cable is reduced, and the difficulty and cost of optical cable transportation are reduced.
The foregoing describes the embodiments of the present invention in detail, but the description is only a preferred embodiment of the invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications made in accordance with the scope of the present invention shall fall within the scope of the present patent.
Claims (8)
1. An optical cable spraying process is characterized in that: the method comprises the steps of performing ointment spraying on the outer peripheral surface of a reinforcing piece forming a cable core in advance, performing ointment spraying on the inner surface of a composite belt facing the cable core in advance, twisting the reinforcing piece and optical fibers, arranging the twisted reinforcing piece and the twisted optical fibers on a sleeve to form the cable core, and coating one surface of a spraying ointment of the composite belt on the outer peripheral surface of the cable core and coating the outer surface of an ungpraed ointment of the composite belt by a sheath when the sheath procedure is produced.
2. A fiber optic cable spraying process as claimed in claim 1, wherein: when spraying, carry the oleamen to the spray gun through oleamen pump, control oleamen fog effect through oleamen pressure cylinder and spraying pressure cylinder and fog spray gun when carrying out the spray gun, control clearance formula fog through the solenoid valve and spout, reduce the total weight of oleamen use amount and reduce the optical cable when guaranteeing optical cable infiltration effect.
3. A fiber optic cable spraying process as claimed in claim 2, wherein: the outer peripheral surface of the reinforcement member is integrally sprayed by at least two spray heads.
4. A fiber optic cable spraying process as claimed in claim 2, wherein: the outer peripheral surface of the composite belt is only required to spray ointment on the inner surface facing the cable core, and the other surface of the composite belt is not required to spray.
5. An ointment spraying device, characterized in that: the spraying device comprises a circular arc-shaped track and at least two spraying heads, wherein a track locking structure is arranged at the rear end of each spraying head, the track locking structure clamps the corresponding angle position of the circular arc-shaped track, a front end spraying outlet of each spraying head is arranged towards the surface of a material in the circular arc-shaped track, each spraying head comprises an ointment inlet at the center of the rear part and an air inlet at one side of the outer ring surface of the rear part, the spraying outlets are communicated with the outlet end of the ointment inlet, a plurality of air outlets are uniformly distributed in the circumferential direction of each spraying outlet, and the air inlets are connected to the corresponding air outlets through internal pipelines.
6. An ointment spray device according to claim 5, characterized in that: the spray head comprises an ointment cap, an air inlet valve and an ointment pressure valve, wherein an ointment cavity is axially formed in the center of the ointment cap, an ointment inlet which is convex is formed in the rear end of the center of the ointment cavity, an ointment outlet which is convex and close is formed in the front end of the ointment cavity, an ointment pressure valve is arranged in the ointment cavity, a first external thread is formed in the rear position of the outer annular surface of the main body of the ointment cavity, a second external thread is formed in the middle area of the outer annular surface of the main body of the ointment cavity, the air inlet valve is sleeved with the first external thread, the air cap thread is sleeved with the second external thread, the opposite end surfaces of the air inlet valve and the air cap are tightly sealed, the air outlet end of the air inlet valve is connected with an air inlet annular groove of the air cap, the air inlet annular groove is connected to a corresponding air outlet through a plurality of internal pipelines, the air outlet is annularly distributed on the periphery of the ointment outlet, and the air outlet of the air outlet cavity and the ointment outlet of the ointment cavity are combined to form a spray outlet.
7. An ointment spray device according to claim 5, characterized in that: the track locking structure comprises two positioning blocks which are arranged in parallel at intervals, the interval between the two positioning blocks is used for placing the circular arc track, the positioning blocks positioned on the outer side are in threaded connection with adjusting nuts, and the adjusting nuts are used for fixing the positioning blocks and the circular arc track.
8. An ointment spray device according to claim 5, characterized in that: when the outer peripheral surface of the material needs to be sprayed integrally, the adjacent interval angles of the spray heads are enlarged, so that the combined spraying range of the spray heads covers the outer peripheral surface of the material, and when the material needs to be sprayed on only one surface, the adjacent interval angles of the spray heads are reduced or only one spray head is used for spraying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811580038.5A CN109445049B (en) | 2018-12-24 | 2018-12-24 | Optical cable spraying process and corresponding spraying device thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811580038.5A CN109445049B (en) | 2018-12-24 | 2018-12-24 | Optical cable spraying process and corresponding spraying device thereof |
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| Publication Number | Publication Date |
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| CN109445049A CN109445049A (en) | 2019-03-08 |
| CN109445049B true CN109445049B (en) | 2023-07-07 |
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| CN201811580038.5A Active CN109445049B (en) | 2018-12-24 | 2018-12-24 | Optical cable spraying process and corresponding spraying device thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202975422U (en) * | 2012-12-06 | 2013-06-05 | 江苏永鼎股份有限公司 | Spray-type filling device of optical cable waterproof cream |
| CN106378276A (en) * | 2016-11-01 | 2017-02-08 | 山东太平洋光纤光缆有限公司 | Fiber paste spraying and conveying device |
| CN108859052A (en) * | 2018-05-03 | 2018-11-23 | 烽火通信科技股份有限公司 | Dry-type fiber loose tube production equipment, production method and Dry-type fiber loose tube |
| CN209281036U (en) * | 2018-12-24 | 2019-08-20 | 浙江东通物联科技有限公司 | A kind of spraying device of optical cable |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2914320B1 (en) * | 2012-10-31 | 2019-12-04 | Inhaletech LLC | Systems for administering pulmonary medication |
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2018
- 2018-12-24 CN CN201811580038.5A patent/CN109445049B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202975422U (en) * | 2012-12-06 | 2013-06-05 | 江苏永鼎股份有限公司 | Spray-type filling device of optical cable waterproof cream |
| CN106378276A (en) * | 2016-11-01 | 2017-02-08 | 山东太平洋光纤光缆有限公司 | Fiber paste spraying and conveying device |
| CN108859052A (en) * | 2018-05-03 | 2018-11-23 | 烽火通信科技股份有限公司 | Dry-type fiber loose tube production equipment, production method and Dry-type fiber loose tube |
| CN209281036U (en) * | 2018-12-24 | 2019-08-20 | 浙江东通物联科技有限公司 | A kind of spraying device of optical cable |
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| CN109445049A (en) | 2019-03-08 |
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Effective date of registration: 20191115 Address after: 313009 No. 2299 East strong Garden Road, Nanxun Economic Development Zone, Huzhou, Zhejiang Applicant after: Zhejiang Dongtong optical network IOT Technology Co.,Ltd. Address before: 313009 No. 2299 East strong Garden Road, Nanxun Economic Development Zone, Huzhou, Zhejiang Applicant before: ZHEJIANG DONGTONG IOT TECHNOLOGY Co.,Ltd. |
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