CN108544734B - Optical cable production line - Google Patents
Optical cable production line Download PDFInfo
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- CN108544734B CN108544734B CN201810341497.1A CN201810341497A CN108544734B CN 108544734 B CN108544734 B CN 108544734B CN 201810341497 A CN201810341497 A CN 201810341497A CN 108544734 B CN108544734 B CN 108544734B
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- 230000003287 optical effect Effects 0.000 title claims abstract description 181
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 34
- 238000001816 cooling Methods 0.000 claims abstract description 285
- 238000005538 encapsulation Methods 0.000 claims abstract description 63
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 62
- 239000000498 cooling water Substances 0.000 claims abstract description 51
- 238000010073 coating (rubber) Methods 0.000 claims abstract description 31
- 238000007711 solidification Methods 0.000 claims abstract description 31
- 230000008023 solidification Effects 0.000 claims abstract description 31
- 238000007664 blowing Methods 0.000 claims abstract description 19
- 239000013307 optical fiber Substances 0.000 claims abstract description 6
- 239000000835 fiber Substances 0.000 claims description 20
- 239000007921 spray Substances 0.000 claims description 20
- 239000006260 foam Substances 0.000 claims description 16
- 238000005192 partition Methods 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 12
- 229920000742 Cotton Polymers 0.000 claims description 7
- 229920001971 elastomer Polymers 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 16
- 230000008569 process Effects 0.000 abstract description 11
- 239000003595 mist Substances 0.000 abstract description 10
- 238000000889 atomisation Methods 0.000 abstract 1
- 230000017105 transposition Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 11
- 238000001035 drying Methods 0.000 description 9
- 239000010410 layer Substances 0.000 description 8
- 238000005507 spraying Methods 0.000 description 8
- 230000002093 peripheral effect Effects 0.000 description 5
- 238000000861 blow drying Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 210000004907 gland Anatomy 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000001723 curing Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/04—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam
- B29C35/049—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam using steam or damp
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/04—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam
- B29C35/06—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam for articles of indefinite length
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
- B29C37/0092—Drying moulded articles or half products, e.g. preforms, during or after moulding or cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2011/00—Optical elements, e.g. lenses, prisms
- B29L2011/0075—Light guides, optical cables
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Surface Treatment Of Glass Fibres Or Filaments (AREA)
Abstract
The utility model provides an optical cable production line, includes optical fiber pay-off, transposition device, extruder, cooling solidification system and the coiling mechanism that sets gradually, and cooling solidification system includes optical cable rubber coating solidification device and optical cable rubber coating forced air cooling device, and optical cable rubber coating solidification device and optical cable rubber coating forced air cooling device set gradually behind the extruder. The optical cable encapsulation curing device comprises an atomizer, wherein a plurality of atomization nozzles are arranged on the atomizer and are uniformly distributed around a curing channel in circumference; the optical cable rubber coating air cooling device comprises an air distributor, wherein a plurality of air cooling nozzles are arranged on the air distributor and are uniformly distributed around the cooling channel in a circumference manner. After the optical cable is encapsulated, water mist cooling solidification can be carried out, the product performance is stable, the cooling solidification efficiency is high, a long cooling water tank is not required to be arranged, and the space occupied by an optical cable production line is saved; and after the optical cable is encapsulated and cured, high-pressure blowing can be performed, so that residual moisture on the surface of the optical cable in the previous cooling and curing process can be quickly dried, the occupied space is small, and the efficiency is high.
Description
Technical Field
The invention relates to an optical cable production line.
Background
The structure of current optical cable is all inside to set up stranded fiber, and outside rubber coating/cover mould is in order to constitute overall structure and provide protective properties, and optical cable rubber coating/cover mould is realized through extruder/extruder in general, and after optical cable was sent out from the extruder head, outside rubber coating was high temperature state, need cool off and solidification design to it to guarantee quality.
The existing optical cable production line generally needs to be provided with a cooling system and a blow dryer behind an extruder head so as to reduce the encapsulation temperature of the optical cable to a normal temperature state and blow-dry and fix the optical cable. The existing cooling system needs to be provided with a long cooling water tank and a plurality of drying channels, a long production line is needed, more time is consumed, and the cooling system occupies a workshop site and causes waste of water resources. Shortening the production line makes it difficult to achieve comprehensive cooling, which results in insufficient cooling of the finished optical cable and influences the quality of the optical cable.
On the other hand, the existing drier or drier usually dries the surface of the optical cable by connecting a blowing pipeline, which is a method similar to natural air cooling, has poor drying effect and almost no cooling effect. In order to strengthen the effect, can set up the multichannel and weather, also lead to production line length longer, increase the place area demand.
A more typical cable line is a bundle cable line as disclosed in patent CN201720066225.6 and a cable jacket line as disclosed in patent CN201520658003.4, i.e. using conventional moving water tanks, fixed water tanks and blow-drying means.
In order to solve the problem that a longer production line needs to be configured for cooling and drying an optical cable production line and improve efficiency, the invention patent document CN201710579101.2 discloses an immersed and non-immersed alternate optical cable cooling system, wherein the cooling system sequentially comprises a paying-off device, a cooling device, a drying device and a traction winding device from left to right, and a dehydration device is further arranged between the cooling device and the drying device; the rapid cooling system adopts a manner of immersed alternate cooling and non-immersed alternate cooling, so that cooling water is saturated and stored in the water storage device for one-step cooling in the cooling process, then is immersed in the cooling water for two-step cooling, and is subjected to direct contact cooling through the water storage device full of the cooling water in the cooling process, so that the internal cooling effect is fully achieved in the cooling path of the optical cable, excessive water is prevented from being taken away in the discharging process, and the optical cable is thoroughly cooled by combining the dewatering device and the blow-drying device. The patent document CN201710579099.9 discloses a contact type optical cable rapid cooling device. Both schemes improve the cooling effect and reduce the water taken away during discharging through an improved water accumulator and related components, but the structure is more complicated, the effect improvement is not great, the cost is high, and the improved water accumulator is not suitable for being used in the existing optical cable production line.
Disclosure of Invention
In view of the above situation, in order to solve the problems in the prior art, the invention provides an optical cable production line, which can cool and solidify water mist after the optical cable is encapsulated, stabilize the product performance, has high cooling and solidifying efficiency, does not need to be provided with a long cooling water tank, and saves the space occupied by the optical cable production line; and after the optical cable is encapsulated and cured, high-pressure blowing can be performed, so that residual moisture on the surface of the optical cable in the previous cooling and curing process can be quickly dried, the occupied space is small, and the efficiency is high.
The optical cable production line comprises an optical fiber paying-off device, a stranding device, an extruder, a cooling and solidifying system and a winding device which are sequentially arranged, wherein the cooling and solidifying system comprises an optical cable encapsulation and solidifying device and an optical cable encapsulation and air cooling device, and the optical cable encapsulation and solidifying device and the optical cable encapsulation and air cooling device are sequentially arranged behind the extruder; the optical cable encapsulation curing device comprises an atomizer, wherein a curing channel is arranged in the atomizer, the curing channel is provided with a curing channel inlet and a curing channel outlet, and the diameter of the curing channel inlet is larger than that of the curing channel outlet; the atomizer is provided with a plurality of atomizing nozzles which are circumferentially and uniformly distributed around the curing channel; in the longitudinal direction along the running route of the encapsulated fiber cable, the atomizing nozzle is obliquely arranged relative to the central axis of the curing channel; in the transverse direction perpendicular to the running line of the encapsulated fiber cable, the outlets of the atomizing nozzles are aligned with the center of the curing channel, and the inlets of the atomizing nozzles deviate from the connecting line of the outlets of the atomizing nozzles and the center of the curing channel, and the deviation directions and the deviation angles of the inlets of the atomizing nozzles are the same; the optical cable rubber coating air cooling device comprises a wind power distributor, wherein a cooling channel is arranged in the wind power distributor, the cooling channel is provided with a cooling channel inlet and a cooling channel outlet, and the diameter of the cooling channel inlet is larger than that of the cooling channel outlet; the wind power distributor is provided with a plurality of wind cooling nozzles which are circumferentially and uniformly distributed around the cooling channel; the air cooling nozzles are obliquely arranged relative to the central axis of the cooling channel in the longitudinal direction along the running route of the encapsulated optical cable; in the transverse direction perpendicular to the running line of the encapsulated fiber cable, the outlets of the air cooling nozzles are aligned with the center of the cooling channel, and the inlets of the air cooling nozzles deviate from the connecting line of the outlets of the air cooling nozzles and the center of the cooling channel, and the deviation directions and the deviation angles of the inlets of the air cooling nozzles are the same.
Preferably, the optical cable encapsulation curing device and the optical cable encapsulation air cooling device are of an integrated structure, and comprise an atomizer and an air distributor which are integrally arranged, wherein a curing channel of the atomizer is provided with a curing channel inlet and a curing channel outlet, the diameter of the curing channel inlet is larger than that of the curing channel outlet, and the inner surface of the curing channel forms a conical surface; the diameter of the cooling channel inlet of the cooling channel of the wind distributor is equal to the diameter of the cooling channel outlet.
Preferably, the atomizing nozzle comprises a spray opening, a shrinking part and a waterway connecting part which are communicated in sequence, wherein the spray opening is arranged on the inner side of the atomizer and is communicated with the solidification channel, and the waterway connecting part is arranged on the outer side of the atomizer and is communicated with an external water supply pipeline.
Preferably, the atomizing nozzle further comprises a flaring portion, the flaring portion is communicated with the spraying opening, the flaring portion extends towards one end of the curing channel inlet on the inner surface of the curing channel, and the surface of the flaring portion at one end of the curing channel outlet is perpendicular to the central axis of the curing channel.
Preferably, the optical cable rubber coating curing device further comprises a rubber coating curing box body, a plurality of curing box body partition boards are arranged in the rubber coating curing box body, an atomizer is fixedly arranged on each curing box body partition board, curing box body soundproof cotton is arranged on the inner wall of the rubber coating curing box body, and two ends of the atomizer are respectively provided with a curing guide wheel.
Preferably, the air cooling nozzle comprises an air blowing port, a necking part and an air passage connecting part which are sequentially communicated, wherein the air blowing port is arranged on the inner side of the wind power distributor and is communicated with the cooling channel, and the air passage connecting part is arranged on the outer side of the wind power distributor and is communicated with an external high-pressure air supply pipeline.
Preferably, the wind power distributor is provided with a plurality of groups of wind cooling nozzles, each group of wind cooling nozzles are arranged along the wind cooling running direction of the optical cable, namely the axial direction of the cooling channel, a plurality of sections of cooling channels are arranged in the wind power distributor in a segmented manner corresponding to the positions of each group of wind cooling nozzles, and each section of cooling channel is provided with a cooling channel inlet and a cooling channel outlet; wherein the diameter of the cooling channel inlet of the cooling channel arranged at one end of the optical cable entering the wind power distributor is larger than the diameter of the cooling channel outlet, and the inner surface of the cooling channel forms a conical surface; the diameter of the cooling channel inlet of each section of cooling channel arranged at other parts of the wind power distributor is equal to the diameter of the cooling channel outlet, and the inner surface of the cooling channel forms a spindle-shaped surface.
Preferably, the optical cable rubber coating air cooling device further comprises an air cooling box body, a plurality of air cooling box body partition boards are arranged in the air cooling box body, a wind power distributor is fixedly arranged on each air cooling box body partition board, air cooling box body soundproof cotton is arranged on the inner wall of the air cooling box body, and air cooling guide wheels are respectively arranged at two ends of each wind power distributor.
Preferably, the optical cable encapsulation cooling and solidifying water tank is arranged between the optical cable encapsulation solidifying device and the optical cable encapsulation air cooling device.
Preferably, the optical cable encapsulation cooling solidification water tank comprises a cooling water tank and water receiving tanks arranged at two ends of the cooling water tank, wherein cooling water is arranged in the cooling water tank, two ends of the cooling water tank are respectively provided with an optical cable inlet and an optical cable outlet, and the optical cable inlets and the optical cable outlets at two ends of the cooling water tank are respectively arranged above the water receiving tanks at the corresponding ends; the cooling water tank is characterized in that two ends of the cooling water tank are respectively provided with two layers of end sealing plates, the two layers of end sealing plates are provided with an optical cable inlet and outlet, a foam supporting plate is arranged between the two layers of end sealing plates, an optical cable holding piece is arranged in the middle of the foam supporting plate, and a through hole for an optical cable to pass through is formed in the middle of the optical cable holding piece.
After the technology provided by the invention is adopted, the optical cable production line provided by the embodiment of the invention has the following beneficial effects:
1) Spiral or spiral-like water mist is sprayed to form spiral peripheral spray around the surface of the encapsulated cable passing through the curing channel, and the heat of the cable is absorbed fully and then discharged rapidly. Can carry out water smoke cooling solidification fast after the optical cable rubber coating, stabilize product performance, cooling solidification is efficient, need not dispose very long cooling water tank, practice thrift the space that optical cable production line occupy.
2) The spiral peripheral air jet is formed by jetting high-speed air in a spiral shape or similar spiral shape, and the air is blown around the surface of the encapsulated optical cable passing through the cooling channel to quickly blow-dry the surface of the optical cable. Can carry out high pressure blowing after the optical cable rubber coating is solidified, weather the remaining moisture of optical cable surface in the preceding cooling solidification process rapidly, occupation space is little, efficient.
3) If the surface water of the optical cable is more, the optical cable is blown to the inlet of the cooling channel with larger diameter and is discharged rapidly. The optical cable with more residual moisture in the previous process can be formed into a plurality of sections of air blowing, and the surface air drying is carried out.
4) The flexible/elastic support can be provided for the optical cable when the optical cable is not rolled up in time or the time sequence disorder occurs between different working procedures, so that the optical cable is prevented from being pulled or scratched by an inlet and an outlet. And can promote the cooling water circulation, can adapt to different water changing demands in a flexible way.
Drawings
FIG. 1 shows the overall structure of a cable production line according to a first embodiment of the present invention;
FIG. 2 shows the general structure of the cable encapsulation curing device of FIG. 1;
FIG. 3 shows the internal structure of the atomizer of FIG. 2;
FIG. 4 is a left side view of FIG. 3;
FIG. 5 illustrates the cable encapsulation air cooling arrangement of FIG. 1;
FIG. 6 is an internal structure of the wind distributor of FIG. 5;
FIG. 7 is a left side view of FIG. 6;
FIG. 8 shows a cable encapsulated air cooling device configuration according to a second embodiment of the present invention;
FIG. 9 shows an integrally constructed cable gland curing apparatus and cable gland air cooling apparatus configuration in accordance with a third embodiment of the present invention;
FIG. 10 shows a top view of a cable encapsulated cooling curing trough according to a fourth embodiment of the present invention;
fig. 11 is an enlarged view of a portion a of fig. 10;
Fig. 12 is a B-B view of fig. 10.
Detailed Description
The invention will be described in further detail with reference to the examples given in the accompanying drawings. The described embodiments include various specific details to aid in understanding, but they are to be considered merely exemplary and are representative of some, but not all embodiments of the invention. Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. Meanwhile, a detailed description of functions and configurations well known in the art will be omitted for clarity and conciseness of the specification.
Example 1
As shown in fig. 1, an optical cable production line comprises an optical fiber paying-off device 11, a stranding device 12, an extruder 13, a cooling and solidifying system and a winding device which are sequentially arranged, wherein the cooling and solidifying system comprises an optical cable encapsulation solidifying device 2 and an optical cable encapsulation air cooling device 3, and the optical cable encapsulation solidifying device 2 and the optical cable encapsulation air cooling device 3 are sequentially arranged behind the extruder 13. In order to smoothly finish the manufacturing and production of the optical cable/optical fiber cable, components/equipment such as a diameter measuring instrument, a code spraying device, a tension device, a control system and the like can be further arranged, wherein the diameter measuring instrument and the code spraying device are arranged behind the cooling and solidifying system, the tension device is arranged between the optical fiber paying-off device 11 and the stranding device 12, and the control system comprises an electric control box which is respectively connected with other components through power supply and control circuits.
The arrangement of the components of the optical cable production line is determined according to the trend in the optical cable production process, for example, the optical cable encapsulation curing device 2 and the optical cable encapsulation air cooling device 3 are sequentially arranged behind the extruder 13, namely, in the optical cable production process, the optical cable encapsulation is led out from the extruder 13, then passes through the optical cable encapsulation curing device 2 and then passes through the optical cable encapsulation air cooling device 3.
Referring to fig. 2 to 4, fig. 2 shows the overall structure of the optical cable encapsulation curing device of the present invention, and omits a cover plate of the box body to see the internal layout structure; FIG. 3 shows the internal structure of a key component atomizer in the cable encapsulation curing device of the present invention, expressed in cross-section; fig. 4 is a left side view of fig. 3.
The optical cable encapsulation curing device 2 comprises an atomizer 21, wherein a curing channel 210 for the encapsulated optical cable to pass through is arranged in the atomizer 21, the curing channel 210 is provided with a curing channel inlet 211 and a curing channel outlet 212, the diameter of the curing channel inlet 211 is larger than that of the curing channel outlet 212, and the inner surface of the curing channel 210 forms a conical surface; the atomizer 21 is provided with a plurality of atomizing nozzles 22, the inlet of each atomizing nozzle 22 is arranged on the outer wall of the atomizer 21 to be connected with an external water supply pipeline, and the outlet of each atomizing nozzle 22 is arranged on the inner surface of the solidification channel 210 and is communicated with the space in the solidification channel 210; the plurality of atomizing nozzles 22 are circumferentially and uniformly distributed around the curing channel 210, and in the longitudinal direction along the running path of the encapsulated fiber optic cable, the atomizing nozzles 22 are obliquely arranged relative to the central axis of the curing channel 210, the inlet of the atomizing nozzle 22 is arranged at one end of the curing channel outlet 212, and the outlet of the atomizing nozzle 22 is arranged at one end of the curing channel inlet 211; in a transverse direction perpendicular to the path of travel of the encapsulated fiber optic cable, the outlets of the atomizing nozzles 22 are aligned with the center of the curing channel 210, and the inlets of the atomizing nozzles 22 are offset from the line connecting the outlets of the atomizing nozzles 22 with the center of the curing channel 210, with the inlets of the plurality of atomizing nozzles 22 being offset in the same direction and angle.
The atomizing nozzle 22 includes a spray opening 221, a constriction 222, and a waterway connection 223, which are sequentially communicated, the spray opening 221 is disposed inside the atomizer 21 and communicates with the solidifying passage 210, and the waterway connection 223 is disposed outside the atomizer 21 and communicates with an external water supply line. The external high-pressure water flow introduced from the waterway connection portion 223 is pressurized through the constriction portion 222, and is sprayed through the spray opening 221, and is sprayed on the surface of the optical cable to be cooled.
The outside of the atomizer 21 is provided with a waterway installation platform perpendicular to the waterway connection part 223, and the waterway connection part 223 is provided with a waterway connector 224.
The atomizing nozzle 22 further includes a flare portion 220, the flare portion 220 communicates with the spray opening 221, the flare portion 220 extends toward one end of the curing channel inlet 211 on the inner surface of the curing channel 210, and the surface of the flare portion 220 at one end of the curing channel outlet 212 is perpendicular to the central axis of the curing channel 210. The diffuser 220, on the one hand, cooperates with the formation of spray and, on the other hand, limits the spray range, avoiding waste of messy spray. Because of the unique positional relationship between the inner surface of the curing tunnel 210 and the atomizing nozzle 22, the flaring portion 220 can direct the water mist to spray toward the rear of the cable moving direction, while in front of the cable moving direction, the surface of the flaring portion 220 at one end of the curing tunnel outlet 212 is perpendicular to the central axis of the curing tunnel 210, which limits the spraying to act forward, concentrates resources for the rear cable surface of the cable moving direction with higher temperature, the spraying is vaporized at high temperature to remove heat and is discharged from the cable inlet, the cable inlet has higher temperature, and the spraying can also take away heat while being discharged. On the other hand, the temperature has been relatively reduced for the cable surface arranged at the cable exit end, where spraying is less effective than at the cable exit end, and where limiting spraying is more advantageous for reducing the moisture carried over from the cable surface, and for subsequent blow-drying.
The optical cable rubber coating curing device 2 further comprises a rubber coating curing box 20, a plurality of curing box partition boards 201 are arranged in the rubber coating curing box 20, and an atomizer 21 is fixedly arranged on each curing box partition board 201.
The inner wall of the encapsulation curing box 20 is provided with curing box soundproof cotton 202. And the internal noise reduction structure prevents noise transmission generated when the high-speed fluid passes through.
Two ends of the atomizer 21 are respectively provided with a curing guide wheel 203. The curing guide 203 is used to guide the fiber optic cable into the curing channel 210 of the atomizer 21. The curing guide wheel 203 can be fixed on the outer wall of the atomizer 21 through bracket welding or bolt connection, and the atomizer 21 can be fixed on the curing box partition 201 through welding or bolt connection or the arrangement of clamping grooves for clamping or other supporting components.
The encapsulation curing box 20 is provided with an inlet and an outlet for the optical cable to enter and exit, and the centers of the inlet and the outlet are coaxially arranged with the center of the atomizer 21.
The outlet of the atomizing nozzle 22 is aligned with the center of the curing channel 210, and the inlet of the atomizing nozzle 22 is offset from the center of the curing channel 210 with the outlet of the atomizing nozzle 22, specifically, the outlet of the atomizing nozzle 22 is aligned with the center axis of the curing channel 210 as viewed in projection on the cross section of the atomizer 21, and the inlet of the atomizing nozzle 22 is offset from the connecting line of the center axis of the curing channel 210 and the outlet of the atomizing nozzle 22. This can be achieved by two methods, one in which the passage between the inlet and outlet of the atomizing nozzles 22 is arranged in a spiral pattern, such that the mist emitted from the plurality of atomizing nozzles 22 will form a spiral pattern, be emitted around the surface of the encapsulated fiber optic cable passing through the curing passage 210, form a spiral peripheral spray, absorb the heat of the fiber optic cable and be discharged. And because the atomizing nozzle 22 is inclined with respect to the central axis of the curing tunnel 210, the mist after absorbing the heat of the cable will be rapidly discharged from the curing tunnel inlet 211 having a larger diameter. Another advantage of the manufacturing process is that the passageway between the inlet and outlet of the atomizing nozzles 22 can be straight, but the direction and location of the drilling is arranged in accordance with the teachings of the present application so that the mist emitted from the plurality of atomizing nozzles 22 will form a spiral-like pattern, and will also be emitted around the surface of the encapsulated fiber optic cable passing through the curing tunnel 210 to absorb heat from the cable and then be discharged. And because the atomizing nozzle 22 is inclined with respect to the central axis of the curing tunnel 210, the mist after absorbing the heat of the cable will be rapidly discharged from the curing tunnel inlet 211 having a larger diameter. The straight configuration may be used directly with the venturi nozzle or the atomizing nozzle 22 may be fabricated in accordance with the venturi nozzle configuration. Or the existing spray nozzle device can be purchased and arranged on the atomizer 21 according to the technical scheme of the application, and the spray nozzle device can be matched with a water supply and/or air supply device.
Please refer to fig. 5-7, wherein fig. 5 is a view of the internal structure, and the cover plate of the case is omitted. The optical cable encapsulation air cooling device 3 comprises a wind power distributor 31, wherein a cooling channel 310 for the encapsulated optical cable to pass through is arranged in the wind power distributor 31, the cooling channel 310 is provided with a cooling channel inlet 311 and a cooling channel outlet 312, the diameter of the cooling channel inlet 311 is larger than that of the cooling channel outlet 312, and the inner surface of the cooling channel 310 forms a conical surface; the wind distributor 31 is provided with a plurality of air cooling nozzles 32, the inlet of each air cooling nozzle 32 is arranged on the outer wall of the wind distributor 31 to be connected with an external high-pressure air supply pipeline, and the outlet of each air cooling nozzle 32 is arranged on the inner surface of the cooling channel 310 and is communicated with the inner space of the cooling channel 310; the air cooling nozzles 32 are circumferentially and uniformly distributed around the cooling channel 310, and in the longitudinal direction along the running path of the encapsulated optical cable, the air cooling nozzles 32 are obliquely arranged relative to the central axis of the cooling channel 310, the inlet of the air cooling nozzle 32 is arranged at one end of the cooling channel outlet 312, and the outlet of the air cooling nozzle 32 is arranged at one end of the cooling channel inlet 311; in a transverse direction perpendicular to the path of travel of the encapsulated fiber optic cable, the outlets of the air-cooling vents 32 are aligned with the center of the cooling channel 310, and the inlets of the air-cooling vents 32 are offset from the line connecting the outlets of the air-cooling vents 32 with the center of the cooling channel 310, with the inlets of the plurality of air-cooling vents 32 being offset in the same direction and angle.
The air cooling nozzle 32 comprises an air blowing port 321, a necking part 322 and an air path connecting part 223 which are sequentially communicated, the air blowing port 321 is arranged on the inner side of the wind power distributor 31 and is communicated with the cooling channel 310, and the air path connecting part 223 is arranged on the outer side of the wind power distributor 31 and is communicated with an external high-pressure air supply pipeline. The external high-pressure air supply, such as compressor air supply, introduced from the air path connection portion 223 is compressed through the contraction portion 322 and rapidly ejected through the air blowing port 321, so that residual moisture on the surface of the optical cable is blown off, and meanwhile, certain effects of cooling solidification and solidification effect stabilization can be achieved.
The outside of the wind distributor 31 is provided with a gas path installation platform perpendicular to the gas path connection part 223, and the gas path connection part 223 is provided with a gas path connector 324.
The optical cable rubber-coated air cooling device 3 further comprises an air cooling box body 30, a plurality of air cooling box body partition boards 301 are arranged in the air cooling box body 30, and each air cooling box body partition board 301 is fixedly provided with a wind power distributor 31.
The inner wall of the air-cooled box 30 is provided with an air-cooled box soundproof cotton 302. And the internal noise reduction structure prevents noise transmission generated when the high-speed fluid passes through.
Two ends of the wind power distributor 31 are respectively provided with an air cooling guide wheel 303. The air cooled guide pulley 303 is used to guide the fiber optic cable into the cooling channel 310 of the wind distributor 31. The air-cooled guide wheel 303 can be fixed on the outer wall of the wind power distributor 31 through bracket welding or bolt connection, and the wind power distributor 31 can be fixed on the air-cooled box partition 301 through welding or bolt connection or clamping grooves or other supporting components.
The air cooling box 30 is provided with an inlet and an outlet for the optical cable to enter and exit, and the centers of the inlet and the outlet are coaxially arranged with the center of the wind distributor 31.
The optical cable rubber coating air cooling device 3 is used for carrying out high-pressure air blowing after optical cable rubber coating and curing, and drying residual moisture on the surface of the optical cable in the previous cooling and curing process, and meanwhile, the optical cable rubber coating air cooling device can play a role in certain cooling and curing and stabilizing curing effects.
The outlet of the air cooling jet 32 is aligned with the center of the cooling channel 310, and the inlet of the air cooling jet 32 is offset from the center of the cooling channel 310 and the outlet of the air cooling jet 32 is aligned with the center axis of the cooling channel 310, in particular, the outlet of the air cooling jet 32 is aligned with the center axis of the cooling channel 310 and the inlet of the air cooling jet 32 is offset from the connecting line of the center axis of the cooling channel 310 and the outlet of the air cooling jet 32 as seen in the cross section of the wind distributor 31. This can be achieved by two methods, one is that the channel between the inlet and the outlet of the air cooling nozzle 32 is arranged in a spiral shape, so that the high-speed air ejected from the air cooling nozzle 32 forms a spiral shape, and is blown around the surface of the encapsulated fiber cable passing through the cooling channel 310 to form a spiral peripheral spray, so that the surface of the cable is blown dry, and if the surface of the cable has more water, the air is blown to the inlet 311 of the cooling channel with larger diameter to be discharged, because the air cooling nozzle 32 is arranged obliquely relative to the central axis of the cooling channel 310, and the water is discharged from the inlet 311 of the cooling channel with larger diameter. In another aspect, the passage between the inlet and the outlet of the air cooling ports 32 may be configured to be straight, but the drilling direction and the location thereof are configured according to the present application, so that the high-speed air ejected from the air cooling ports 32 may be formed like a spiral, and may be blown around the surface of the encapsulated fiber cable passing through the cooling channel 310 to form a spiral peripheral jet, blow-dry the surface of the fiber cable, and if the surface of the fiber cable has a large water accumulation, may be blown to the cooling channel inlet 311 with a larger diameter to be discharged, because the air cooling ports 32 are inclined with respect to the central axis of the cooling channel 310, and the water is rapidly discharged from the cooling channel inlet 311 with a larger diameter. The straight structure can also be purchased to be provided with the existing air injection/blowing device on the wind distributor 31 according to the technical scheme of the application, and the air injection/blowing device is matched with a high-pressure air supply device.
Example 2
As shown in fig. 8, the difference between the present embodiment and embodiment 1 is that the wind distributor 31 is provided with a plurality of groups of air cooling nozzles 32, each group of air cooling nozzles 32 is arranged along the optical cable air cooling running direction, that is, the axis direction of the cooling channel 310, and a plurality of sections of cooling channels 310 are arranged in the wind distributor 31 corresponding to the positions of each group of air cooling nozzles 32 in a segmented manner, and each section of cooling channel 310 is provided with a cooling channel inlet 311 and a cooling channel outlet 312; wherein a diameter of a cooling channel inlet 311 of a cooling channel 310 provided at an end of the optical cable entering the wind distributor 31 is larger than a diameter of a cooling channel outlet 312, and an inner surface of the cooling channel 310 forms a tapered surface; the diameter of the cooling passage inlet 311 of each segment of the cooling passage 310 provided at other portions of the wind distributor 31 is equal to the diameter of the cooling passage outlet 312, and the inner surface of the cooling passage 310 forms a spindle-shaped surface. The multi-section blowing can be formed, and the gradual drying can be ensured when more water remains on the surface of the optical cable. The inner surfaces of the cooling passages 310 form spindle-shaped surfaces that direct the blown spiral air flow into the next stage of cooling passages 310 to assist in the operation of the next set of air cooling jets 32. The next cooling channel 310 described herein is in terms of the general direction of the cooling air flow, which is opposite to the direction of movement of the cable, and also in the case where only one cooling channel 310 is provided, helps to blow out the possibly remaining moisture towards the rear of the cable, avoiding remaining on the surface of the cable that has been blown dry. On the other hand, if the optical cable is not thoroughly cooled to normal temperature, the optical cable at the rear part is also beneficial to further cooling, so that for the optical cable which is cooled and solidified by the water tank/water mist and is only slightly higher than the ambient temperature, no additional equipment or additional solidified line length is needed in the previous cooling and solidifying process.
Further, the inner surface is a spindle-shaped cooling channel 310, and the highest point of the inner surface is higher than the outlet position of the air blowing port 321 of the air cooling nozzle 32. The air flow of the cooling passage 310 is ensured to form a stable flow direction, and the cooling effect is ensured without being disturbed due to the obstruction of the spiral air flow and the advancing direction.
Example 3
As shown in fig. 9, the difference between this embodiment and embodiment 1 is that the optical cable encapsulation curing device 2 and the optical cable encapsulation air cooling device 3 are integrally structured, and include an atomizer 21 and a wind distributor 31 which are integrally disposed, wherein a curing channel 210 of the atomizer 21 has a curing channel inlet 211 and a curing channel outlet 212, and the diameter of the curing channel inlet 211 is larger than that of the curing channel outlet 212, and the inner surface of the curing channel 210 forms a tapered surface; the diameter of the cooling channel inlet 311 of the cooling channel 310 of the wind distributor 31 is equal to the diameter of the cooling channel outlet 312. Alternatively, the inner surface of the cooling gallery 310 may also form a fusiform surface.
The cooling device is suitable for the optical cable with smaller diameter or thinner coating layer, and can quickly realize solidification and drying because of being capable of quickly cooling and less cooling and drying supplies. The traditional water tank and the traditional blow dryer are not needed to occupy a long space, but the space needed by the technical scheme of the application can be greatly reduced, and the functions of curing and blow drying can be realized only by combining the optical cable encapsulation curing device 2 and the optical cable encapsulation air cooling device 3 into a whole. The cooling channel 310 has a cylindrical or spindle-shaped inner surface to direct the blown spiral air flow into the curing channel 210 to assist in the operation of the atomizing nozzle 22. The method is favorable for blowing out the possibly residual moisture to the rear part of the optical cable, so as to avoid the residual moisture on the surface of the optical cable which is dried. On the other hand, if the optical cable is not thoroughly cooled to normal temperature, the optical cable at the rear part is also beneficial to further cooling, so that for the optical cable which is cooled and solidified by water mist and is only slightly higher than the ambient temperature, no additional equipment or additional solidified line length is needed in the previous cooling and solidifying process. Alternatively, the inner surface is a fusiform surface cooling channel 310, and the highest point of the inner surface is higher than the outlet position of the air blowing port 321 of the air cooling nozzle 32. The air flow of the cooling passage 310 is ensured to form a stable flow direction, and the cooling effect is ensured without being disturbed due to the obstruction of the spiral air flow and the advancing direction.
Example 4
Referring to fig. 10 to 12, fig. 10 shows a top view of an optical cable encapsulation cooling solidification water tank according to an embodiment of the present invention, wherein a left end of the cooling water tank is shown in partial cutaway; fig. 11 is an enlarged view of a portion a of fig. 10; fig. 12 is a B-B view of fig. 10.
The present embodiment differs from embodiment 1 in that it further includes a cable encapsulation cooling solidification water tank 4, and the cable encapsulation cooling solidification water tank 4 is disposed between the cable encapsulation solidification device 2 and the cable encapsulation air cooling device 3.
The optical cable encapsulation cooling solidification water tank 4 comprises a cooling water tank 41 and water receiving tanks 42 arranged at two ends of the cooling water tank 41, cooling water is arranged in the cooling water tank 41, optical cable inlets and outlets 410 are respectively arranged at two ends of the cooling water tank 41, and the optical cable inlets and outlets 410 at two ends of the cooling water tank 41 are respectively arranged above the water receiving tanks 42 at corresponding ends; two ends of the cooling water tank 41 are respectively provided with two layers of end sealing plates 411, the two layers of end sealing plates 411 are provided with the optical cable inlet and outlet 410, a foam supporting plate 412 is arranged between the two layers of end sealing plates 411, an optical cable holding piece 413 is arranged in the middle of the foam supporting plate 412, and a through hole for an optical cable to pass through is formed in the middle of the optical cable holding piece 413.
The end sealing plate 411, the foam supporting plate 412 or the optical cable holding piece 413 are provided with a plurality of water permeable holes.
The optical cable gripping members 413 are embedded into round holes formed in the middle of the foam supporting plate 412, and fixing flange edges are arranged on two sides of the optical cable gripping members 413. The flange edges clamp foam support plate 412 to limit axial movement of cable grip 413.
The cable grip 413 is a cotton fabric fiber structure. Other materials or combinations of different materials are possible as long as the stiffness is greater than that of foam support plate 412. The middle part of the cable holding member 413 is provided with a through hole for the optical cable to pass through, which is a smooth surface, or has a hardness smaller than that of the outer rubber coating of the optical cable.
The bottoms of the cooling water tank 41 and the water receiving tank 42 are respectively provided with a moving wheel 49 for moving the positions of the cooling water tank 41 and the water receiving tank 42.
The water receiving tank 42 is internally provided with a filter screen plate 420, and the bottom of the water receiving tank 42 is provided with a water drain hole 421.
By providing the foam support plate 412, it is possible to provide flexible/elastic support to the optical cable from being pulled/scratched by the access port when the optical cable is not wound in time or when a problem of timing disorder occurs between different processes. By providing the optical cable gripping member 413, the optical cable can be gripped during normal use, and the damage of the foam support plate 412 caused by long-term friction of the optical cable with the foam support plate 412 is avoided. The two-layer end seal plates 411 are used for clamping and fixing the foam support plate 412. Since the members are not connected in a sealing manner, the cooling water in the cooling water tank 41 can flow into the water receiving tank 42 from the gap. The cooling water circulation can be promoted by forming water permeable holes in the end sealing plate 411, the foam support plate 412 or the optical cable holding member 413. Of course, the foam support plate 412 or the cable grip 413 may be lifted directly, so that water may be changed in large quantities.
The cooling water in the cooling water tank 41 is introduced into the cooling water tank 41 from above the cooling water tank 41 through a water pipe, and after a period of use, the cooling water absorbs the heat of the optical cable, and the temperature increases. Therefore, in order to avoid the excessive temperature of the cooling water, on the one hand, cold water is continuously input into the cooling water tank 41, and on the other hand, because the optical cable inlets and outlets 410 at the two ends of the cooling water tank 41 are not sealed, the cooling water in the tank can continuously flow into the water receiving tank 42 from the optical cable inlets and outlets 410, and the cooling water continuously circulates to ensure that the cooling and solidifying functions of the optical cable are completed while maintaining the lower temperature. The cooling water flowing into the water receiving tank 42 flows into the bottom after being filtered by the filter screen plate 420, is discharged from the waterproof hole 421 or is discharged from the upper side of the cooling water tank 41 after being kept at the same temperature as the external environment or is further cooled by the refrigerating device, and is then input into the cooling water tank 41 from the upper side of the cooling water tank 41 through the water pipe, thereby forming water circulation.
The optical cable production line can sufficiently and rapidly cool, solidify and blow the optical cable encapsulation, spray and blow the optical cable encapsulation first, has high wind speed, can take away heat and can avoid water retention. After the optical cable is led out from the extruder 13 through the encapsulation, the optical cable is subjected to spray cooling solidification through the optical cable encapsulation solidifying device 2, a large amount of heat is taken away through the volatilization of atomized gas, the encapsulation temperature can be quickly reduced to 35-45 ℃, and then the optical cable encapsulation air cooling device 3 is used for carrying out high-pressure air cooling on the encapsulation, so that the encapsulation temperature is reduced to a normal temperature state, and the moisture on the surface of the optical cable is dried. For the optical cable with larger diameter and thicker encapsulation layer, in order to fully cool the inside, an optical cable encapsulation cooling and solidifying water tank 4 can be arranged between the optical cable encapsulation solidifying device 2 and the optical cable encapsulation air cooling device 3 and is matched with the optical cable encapsulation solidifying device 2 and the optical cable encapsulation air cooling device 3, so that cooling and solidifying work can be thoroughly completed. Compared with the production line which is entirely cooled and solidified by a conventional cooling water tank, the length of the optical cable encapsulation cooling and solidifying water tank 4 can be greatly shortened, and the length, the occupied space and the investment and maintenance cost of the whole production line are reduced.
The terms "upper", "lower" or "upper" and "lower" as used herein refer to the relative relationship between the upper and lower portions in the normal use position, i.e. the relationship between the upper and lower portions as shown in the drawings. When the placement state changes, for example, when turning over, the corresponding positional relationship should be changed accordingly to understand or implement the technical scheme of the application.
Claims (6)
1. The utility model provides an optical cable production line, includes optical fiber pay-off (11), stranding device (12), extruder (13), cooling solidification system and coiling mechanism that set gradually, its characterized in that, cooling solidification system includes optical cable rubber coating solidification device (2) and optical cable rubber coating forced air cooling device (3), still includes optical cable rubber coating cooling solidification basin (4), optical cable rubber coating cooling solidification basin (4) set up between optical cable rubber coating solidification device (2) and optical cable rubber coating forced air cooling device (3), optical cable rubber coating solidification device (2) and optical cable rubber coating forced air cooling device (3) set gradually behind extruder (13); the optical cable encapsulation curing device (2) comprises an atomizer (21), wherein a curing channel (210) is arranged in the atomizer (21), the curing channel (210) is provided with a curing channel inlet (211) and a curing channel outlet (212), and the diameter of the curing channel inlet (211) is larger than that of the curing channel outlet (212); a plurality of atomizing nozzles (22) are arranged on the atomizer (21) and are circumferentially and uniformly distributed around the curing channel (210); in the longitudinal direction along the path of travel of the encapsulated fiber cable, the atomizing nozzle (22) is disposed obliquely with respect to the central axis of the curing channel (210); in the transverse direction perpendicular to the running line of the encapsulated fiber cable, the outlets of the atomizing nozzles (22) are aligned with the center of the curing channel (210), and the inlets of the atomizing nozzles (22) are deviated from the connecting line of the outlets of the atomizing nozzles (22) and the center of the curing channel (210), and the deviation directions and the deviation angles of the inlets of the atomizing nozzles (22) are the same; the optical cable encapsulation air cooling device (3) comprises a wind power distributor (31), wherein a cooling channel (310) is arranged in the wind power distributor (31), the cooling channel (310) is provided with a cooling channel inlet (311) and a cooling channel outlet (312), and the diameter of the cooling channel inlet (311) is larger than that of the cooling channel outlet (312); a plurality of air cooling nozzles (32) are arranged on the wind power distributor (31) and are circumferentially and uniformly distributed around the cooling channel (310); the air cooling jets (32) are disposed obliquely with respect to the central axis of the cooling channel (310) in the longitudinal direction along the path of travel of the encapsulated fiber cable; in the transversal direction perpendicular to the rubber covered optical cable operation route, the center of cooling passageway (310) is aligned to the export of forced air cooling spout (32), and the export of forced air cooling spout (32) skew air cooling spout (32) and the central line of cooling passageway (310), the entry skew direction and the skew angle of a plurality of forced air cooling spout (32) are the same, and the internal surface of curing passageway (210) forms the conical surface, atomizing spout (22) is including spray opening (221), throat portion (222) and water route connecting portion (223) that communicate in proper order, and spray opening (221) set up in atomizer (21) inboard and with curing passageway (210) intercommunication, water route connecting portion (223) set up outside atomizer (21) and with outside water supply line intercommunication, atomizing spout (22) still includes flaring portion (220), flaring portion (220) with spray opening (221) intercommunication, flaring portion (220) extend to curing passageway entry (211) one end on curing passageway's (210) internal surface, and flaring portion (220) are perpendicular to the center pin of curing passageway (210) at curing passageway export (212) one end surface.
2. The optical cable production line according to claim 1, wherein the optical cable encapsulation curing device (2) further comprises an encapsulation curing box body (20), a plurality of curing box body partition boards (201) are arranged in the encapsulation curing box body (20), an atomizer (21) is fixedly arranged on each curing box body partition board (201), curing box body soundproof cotton (202) is arranged on the inner wall of the encapsulation curing box body (20), and curing guide wheels (203) are respectively arranged at two ends of each atomizer (21).
3. An optical cable production line according to claim 2, wherein the air cooling nozzle (32) comprises an air blowing port (321), a necking part (322) and an air path connecting part (223) which are communicated in sequence, the air blowing port (321) is arranged on the inner side of the wind power distributor (31) and is communicated with the cooling channel (310), and the air path connecting part (223) is arranged on the outer side of the wind power distributor (31) and is communicated with an external high-pressure air supply pipeline.
4. A cable production line according to claim 3, wherein the wind power distributor (31) is provided with a plurality of groups of air cooling nozzles (32), each group of air cooling nozzles (32) is arranged along the cable air cooling running direction, namely the axis direction of the cooling channel (310), a plurality of sections of cooling channels (310) are arranged in the wind power distributor (31) at positions corresponding to each group of air cooling nozzles (32), and each section of cooling channel (310) is provided with a cooling channel inlet (311) and a cooling channel outlet (312); wherein the diameter of a cooling channel inlet (311) of a cooling channel (310) arranged at one end of the optical cable entering the wind distributor (31) is larger than that of a cooling channel outlet (312), and the inner surface of the cooling channel (310) forms a conical surface; the diameter of the cooling channel inlet (311) of each section of cooling channel (310) arranged at other parts of the wind distributor (31) is equal to the diameter of the cooling channel outlet (312), and the inner surface of the cooling channel (310) forms a spindle-shaped surface.
5. A cable production line according to claim 3, wherein the cable encapsulation air cooling device (3) further comprises an air cooling box body (30), a plurality of air cooling box body partition boards (301) are arranged in the air cooling box body (30), a wind power distributor (31) is fixedly arranged on each air cooling box body partition board (301), air cooling box body soundproof cotton (302) is arranged on the inner wall of the air cooling box body (30), and air cooling guide wheels (303) are respectively arranged at two ends of each wind power distributor (31).
6. The optical cable production line according to claim 1, wherein the optical cable encapsulation cooling solidification water tank (4) comprises a cooling water tank (41) and water receiving tanks (42) arranged at two ends of the cooling water tank (41), cooling water is arranged in the cooling water tank (41), optical cable inlets and outlets (410) are respectively arranged at two ends of the cooling water tank (41), and the optical cable inlets and outlets (410) at two ends of the cooling water tank (41) are respectively arranged above the water receiving tanks (42) at corresponding ends; two ends of the cooling water tank (41) are respectively provided with two layers of end sealing plates (411), the two layers of end sealing plates (411) are provided with optical cable inlets and outlets (410), foam supporting plates (412) are arranged between the two layers of end sealing plates (411), the middle part of each foam supporting plate (412) is provided with an optical cable holding piece (413), and the middle part of each optical cable holding piece (413) is provided with a through hole for an optical cable to pass through.
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| CN201810341497.1A CN108544734B (en) | 2018-04-17 | 2018-04-17 | Optical cable production line |
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