CN115308862A - Optical fiber ribbon capable of being wound and adhesive dispensing device thereof - Google Patents
Optical fiber ribbon capable of being wound and adhesive dispensing device thereof Download PDFInfo
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- CN115308862A CN115308862A CN202210948267.8A CN202210948267A CN115308862A CN 115308862 A CN115308862 A CN 115308862A CN 202210948267 A CN202210948267 A CN 202210948267A CN 115308862 A CN115308862 A CN 115308862A
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- optical fiber
- glue
- fiber ribbon
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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
- G02B6/4403—Optical cables with ribbon structure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/0808—Details thereof, e.g. surface characteristics
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/0813—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line characterised by means for supplying liquid or other fluent material to the roller
-
- 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
- G02B6/448—Ribbon cables
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The invention discloses a reelable optical fiber ribbon and a dispensing device thereof, and belongs to the technical field of optical fibers. The reelable optical fiber ribbon comprises a two-core optical fiber ribbon and resin glue, wherein the resin glue is used for bonding the two-core optical fiber ribbon into a net structure, and the two-core optical fiber ribbon comprises two colored optical fibers and the resin glue used for wrapping the optical fibers; the glue dispensing device comprises an installation fixed frame, a glue coating movable group and an interval transmission assembly, wherein the glue coating movable group is movably installed on the installation fixed frame, the two-core optical fiber belt penetrates through the installation fixed frame and is pulled by an external winding device, the glue coating movable group is used for coating resin glue on the two-core optical fiber belt, and the interval transmission assembly is connected between the installation fixed frame and the glue coating movable group and is used for controlling the glue coating movable group to periodically approach the two-core optical fiber belt. The reelable optical fiber ribbon provided by the invention improves the optical fiber ribbon from the aspects of optical fiber arrangement structure, bonding mode and resin adhesive property, and is provided with the high-quality resin adhesive coating device, so that the cross section size of the reelable optical fiber ribbon is reduced, the curling property is enhanced, and the preparation difficulty is reduced.
Description
Technical Field
The invention belongs to the technical field of optical fibers, and particularly relates to a windable optical fiber ribbon and a dispensing device thereof.
Background
In recent years, FTTx is used in various forms and environments, and there is an increasing demand for optical cables for access networks. Domestic large core number and super large core number optical cable's demand is more and more, and the application environment is more and more complicated various, for realizing the large core number optical cable of high density, can convolute netted optical fiber ribbon and come up as soon as possible, compares with conventional optical fiber ribbon, and this optical fiber ribbon has good pliability, can use and do not influence the optical property of optic fibre after convoluteing, can realize the development of the high density optical cable under the equal volume.
In the conventional optical fiber ribbon, a plurality of colored optical fibers are arranged side by side and then bonded together by transparent resin to form an encapsulated optical fiber ribbon, and the surface of each optical fiber is uniformly coated with resin. The conventional optical fiber ribbon is arranged according to a matrix in use, the torsional force born by two optical fibers at the edge of the optical fiber ribbon is inevitably larger than that of other optical fibers in the winding and twisting process, the transmission loss of the optical fibers at the four corners of the matrix is difficult to be effectively controlled, and from the experimental data, the attenuation indexes of the optical fibers at the four corners are at the level of 0.23db/km, while the attenuation indexes of the other optical fibers in the matrix are below 0.19 db/km; in addition, along with the increase of the number of cores, the space occupied by the matrix of the optical fiber ribbon is increased, the diameter of the optical cable is usually more than 25 millimeters, and the application of the optical fibers with the matrix arrangement structure in the optical cable with large number of cores and ultra-large number of cores not only occupies larger space, but also has insufficient capability of bending and winding.
The optical fiber ribbon capable of being wound is formed by arranging a plurality of colored optical fibers along the optical fibers in parallel and then bonding the optical fibers in pairs on one side of the optical fibers by using a bonding adhesive tape. The diameter is 250um after the optic fibre is painted, and the degree of difficulty of splicing tape between the optic fibre area is big, and splicing tape easily appears the adhesive linkage and drops or the bad condition of bonding takes place, has embodied the not enough of present reelable optic fibre area on adhesive material and bonding mode, and the optic fibre area is not enough at the bonding force of coiling in-process optic fibre by a wide margin, the fracture appears easily.
In summary, the key factors influencing the flexibility and the cross-sectional dimension of the optical fiber ribbon are the optical fiber arrangement structure, the bonding mode and the resin coating amount, while the existing optical fiber ribbon has the defects of large cross-sectional dimension, poor crimping property, high preparation difficulty and the like.
Disclosure of Invention
The purpose of the invention is as follows: the utility model provides a can convolute optical fiber ribbon to provide a production can convolute adhesive deposite device of optical fiber ribbon, in order to solve the above-mentioned problem that prior art exists.
The technical scheme is as follows: a reelable optical fiber ribbon comprises a two-core optical fiber ribbon and resin adhesive, wherein a plurality of the two-core optical fiber ribbon are arranged in parallel, and the resin adhesive is adhered between the side walls of adjacent two-core optical fiber ribbons at intervals and used for adhering the two-core optical fiber ribbons into a net structure; the two-core optical fiber band comprises two colored optical fibers and resin glue used for wrapping the optical fibers.
Further, the resin adhesive is UV light curing adhesive; the resin viscosity of the resin adhesive is between 4800cps and 6000 cps; the resin viscosity is too high, large internal stress can occur in the resin coating process, the control of resin coating amount is not facilitated, the resin viscosity is too low, the coated resin can naturally fall before curing, and therefore the phenomenon of single-surface coating is formed, the elongation of the coated resin is larger than 60% and the curing shrinkage is larger than 1.95% due to the preferable resin adhesive resin viscosity range, the two parameters guarantee the toughness of the coated resin after UV curing, namely, the optical fiber can still keep good connectivity after the optical fiber ribbon is twisted to the maximum.
Further, the thickness of the resin adhesive adhered to the side surface of the two-core optical fiber belt is smaller than the diameter of the optical fiber after being cured; the optimal thickness value of the cured resin is 150-180 um, when the thickness of the resin is in the range, the minimum twisting diameter of the optical fiber band can be lower than 2.5mm, the tearing force is larger than 300g, and the attenuation of the optical fiber is not increased after twisting.
The utility model provides a can convolute adhesive deposite device for optical fiber ribbon, moves group and interval transmission assembly including installation deciding frame, rubber coating, the rubber coating moves group movable mounting on the installation decides the frame, two core fiber band pass the installation and decide the frame and receive external coiling mechanism to pull, the installation decides the frame and is used for maintaining the motion stability of two core fiber ribbon, the rubber coating moves the group and is connected with external resin glue feeding device, the rubber coating moves the group and is used for moving the resin glue to two core fiber band coating, interval transmission assembly connects and moves between the group at the installation deciding frame and rubber coating for control rubber coating moves the group periodicity and is close to two core fiber ribbon.
Further, the mounting and fixing frame comprises a vertical plate, a transverse plate and an optical fiber guiding assembly, the vertical plate is mounted on the external end face, the transverse plate is mounted on the vertical plate, a motor groove is formed in the transverse plate, and the optical fiber guiding assembly is mounted above the motor groove of the transverse plate; the mounting fixed frame provides support for the stable operation of the two-core optical fiber ribbon, provides mounting stations for the interval transmission assemblies, and is a basic structure for smooth implementation of gluing.
The gluing movable assembly comprises a movable assembly slide rail, a movable plate, a servo motor, an adhesive injection assembly, a gluing wheel and a transmission tooth assembly, the slide rail is installed on a transverse plate, the movable plate is installed on the transverse plate in a sliding mode, the servo motor is arranged in a motor groove, the output end of the servo motor is connected with a speed reducer, the speed reducer is installed on the lower end face of the transverse plate, the output end of the speed reducer penetrates through the transverse plate, the speed reducer is connected with the transmission tooth assembly in a transmission mode, the gluing wheel is installed on the transmission tooth assembly, the adhesive injection assembly is installed on the movable plate, and the gluing wheel is matched with the adhesive injection assembly; the gluing moving group quantitatively supplies resin glue to the gluing wheel, and the periodical gluing action is realized through the rotation of the gluing wheel, so that the precise gluing amount of the two-core optical fiber tape is ensured, and the gluing interval is accurate.
Furthermore, the interval gluing assembly comprises a movable group pulling plate, a roller driven piece, a pull-back spring and a transmission cam, the transmission cam is installed on the transmission tooth group, the roller driven piece is installed on the fixed support and matched with the transmission cam, the movable group pulling plate is installed on the fixed support, and the pull-back spring is installed between the movable group pulling plate and the movable plate and used for being matched with the transmission cam; the transmission cam and the pull-back spring of the interval gluing component are matched with the output of the servo motor, so that the gluing process of the gluing movable group is close to the two-core optical fiber ribbon, the gluing process is not far away from the two-core optical fiber ribbon, and the resin glue is uniformly coated on the side surface of the optical fiber in a fixed length and adjustable period.
Further, the glue spreading wheel is of a cam structure, the glue spreading wheel is connected to the output end of the servo motor in a key mode through an internal shaft hole and penetrates through the fastening hole to be fixed through a fastening screw, a glue spreading groove is formed in the glue spreading wheel, and the glue spreading groove is used for storing resin glue output by the glue injection assembly; the rubber coating groove is with two core fiber optic ribbons of pivoted gesture cooperation linear motion, and the rubber coating area of rubber coating groove is great, compares with traditional rubber coating hole, and the rubber coating groove can eliminate the resin and flow the wire drawing phenomenon of cutting off the production, also can avoid coating the back because of the accumulation point that the internal stress of resin formed.
The glue injection assembly comprises a glue injection seat, a glue injection slide rail, a slide block, a spring shaft, a joint spring and glue coating nozzles, wherein the glue injection seat is arranged on the movable plate, the glue injection slide rail is arranged on the sub glue injection seat, the slide block is arranged on the glue injection slide rail, the spring shaft is arranged on the glue injection seat and extends into the slide block, the joint spring is arranged between the slide block and the glue injection seat, and the glue coating nozzles are stacked on the slide block; the glue injection assembly provides a movable installation mode for the glue injection nozzle, the movable glue injection nozzle is used for being matched with a cam structure of the glue application wheel, and when a gap exists between the glue injection nozzle and the glue application wheel, resin glue is smoothly supplied to a glue application groove of the glue application wheel.
Furthermore, the glue applying nozzle penetrates through the mounting hole through a screw to be mounted on the sliding block, a glue injection channel is formed in the glue applying nozzle, a glue injection port of the glue injection channel is connected with an external resin glue supply device, a glue outlet of the glue injection channel is matched with the glue coating groove, the end face of the glue applying nozzle at the glue outlet is of an arc-shaped structure, and the arc-shaped structure is matched with the glue coating wheel; the cambered surface structure on the gluing nozzle is matched with the non-working stroke of the cam to avoid the leakage of resin glue, and the working stroke is matched with the cambered surface structure to form a gap, so that the gluing nozzle is favorable for glue discharging, and the smooth glue supply is ensured.
Has the beneficial effects that: the reelable optical fiber ribbon disclosed by the invention gets rid of the constraint of the traditional optical fiber that the resin is completely wrapped outside by adopting a mode that the resin adhesive is bonded with the two-core optical fiber ribbon, and the problem of threading attenuation increase in the twisting and winding process is solved; in addition, a plurality of optical fiber ribbons with good twisting and winding performance can be twisted into a bundle, and the space occupied by the optical fibers with the same core number is obviously smaller than that of the optical cable structure arranged in a matrix, so that the optical fiber space is effectively compressed, the optical fiber density is improved, and the effects of smaller diameter of the optical cable and larger core number of the optical fibers are achieved; in addition, the viscosity and the use temperature of the resin adhesive are limited, the selected resin adhesive viscosity range enables the elongation of the coating resin to be larger than 60% and the curing shrinkage to be larger than 1.95%, and the two parameters guarantee the toughness of the coating resin after UV curing, namely, the optical fiber can still keep good connectivity after the optical fiber ribbon is twisted to the maximum extent.
The glue dispensing device disclosed by the invention is used for gluing in a mode of combining the rotation of the glue dispensing wheel with the linear motion of the two-core optical fiber belt, the glue dispensing wheel is provided with the glue dispensing groove, the glue dispensing groove can accurately supply resin glue, the thickness of the resin can be accurately controlled, the structure of the glue dispensing groove can eliminate the wire drawing phenomenon generated by the flowing and cutting of the resin in the coating process and can also avoid accumulation points formed by the internal stress of the resin after coating, the resin can be uniformly coated on the side surfaces of the optical fibers in a fixed length and an adjustable period, the glue dispensing difficulty is low, and the glue dispensing effect is good.
In summary, the rollable optical fiber ribbon provided by the invention improves the optical fiber ribbon from several aspects of optical fiber arrangement structure, bonding mode and resin adhesive property, and is provided with the high-quality resin adhesive coating device, so that the cross section size of the rollable optical fiber ribbon is reduced, the crimping property is enhanced, and the preparation difficulty is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a mesh optical fiber ribbon in the invention.
Fig. 2 a is a cross-sectional view of a 12-core mesh optical fiber ribbon after single-core bonding in the present invention.
Fig. 2 b is a cross-sectional view of a 12-core optical fiber web after bonding of the two-core optical fiber ribbon according to the present invention.
Fig. 2 c is a cross-sectional view of a 12-core optical fiber ribbon in the form of a three-core optical fiber ribbon according to the present invention.
FIG. 3 is a graphical representation of the viscosity temperature of the resin of the present invention.
FIG. 4 is a graphical representation of the dynamic mechanical analysis of the resin of the present invention.
Fig. 5 is a schematic structural view of the dispensing device of the present invention.
Fig. 6 is a schematic structural diagram of the mounting frame in the invention.
Fig. 7 is a schematic structural diagram of the inventive glue moving group.
Fig. 8 is a schematic structural view of the injection assembly of the present invention.
Fig. 9 is a schematic structural view of a glue nozzle in the invention.
FIG. 10 is a schematic view of the construction of the inventive rubberized wheels.
The reference signs are: 1. mounting a fixed frame; 2. a vertical plate; 3. a transverse plate; 4. a motor slot; 5. a fiber guide assembly; 6. fixing a bracket; 7. a movable group pulling plate; 8. stacking frames; 9. an optical fiber holder; 10. a roller follower; 11. gluing a movable group; 12. a movable group slide rail; 13. a movable plate; 14. a servo motor; 15. a pullback spring; 16. a glue injection assembly; 17. injecting a glue base; 18. a glue injection slide rail; 19. a slider; 20. a spring shaft; 21. fitting a spring; 22. a glue coating nozzle; 23. mounting holes; 24. a glue injection port; 25. a glue outlet; 26. a glue spreading wheel; 27. a shaft hole; 28. gluing a slot; 29. a fastening hole; 30. a set of drive teeth; 31. a two-core optical fiber ribbon; 32. resin glue; 33. a mesh light belt; 34. a single core; 35. three-core optical fiber ribbon.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the invention.
Example 1:
in order to provide an optical fiber ribbon with compact optical fiber arrangement, small cross-sectional dimension and strong winding property, embodiment 1 is provided;
the optical fibers can be bonded by the resin adhesive 32 between single fibers or between optical fiber ribbons, but the flexibility, the welding effect and the twisted diameter can be greatly different.
As shown in a in fig. 2, the 12-core optical fiber ribbon in the form of a net with single cores 34 bonded thereto has a minimum twisted diameter but only 20% fusion-splicing success rate between the optical fiber ribbons, and this optical fiber bonding method affects the usability of the optical fiber ribbon and is not the most preferable.
As shown in c of fig. 2, the 12-core fiber ribbon network obtained by bonding the three-core fiber ribbons 35 is fused at a power of 100%, but the diameter after twisting is more than 3mm, and the structure is broken after twisting, which is not the best solution.
As shown in b of fig. 2, the 12-core ribbon of the two-core optical fiber ribbon 31 is fused to a power of 100% and has a diameter of 2.2mm at the maximum after twisting, so that the optical fiber of the present invention is best designed by using the scheme b of fig. 2 through data research.
As shown in fig. 1, a coilable optical fiber ribbon includes a two-core optical fiber ribbon 31 and resin adhesive 32, wherein a plurality of two-core optical fiber ribbons 31 are arranged in parallel, and the resin adhesive 32 is adhered between the sidewalls of adjacent two-core optical fiber ribbons 31 at intervals for adhering the two-core optical fiber ribbons 31 into a net structure; the two-core optical fiber ribbon 31 includes two colored optical fibers and a resin adhesive 32 for covering the optical fibers.
Wherein, bond and be less than the fiber diameter at the resin adhesive 32 back solidification of two-core optical fiber strip 31 side, cover the best value of thickness after the resin solidification and be 150 ~ 180um, the minimum torsional diameter of optical fiber strip can be less than 2.5mm when resin thickness is in this scope, and the tearing force is greater than 300g simultaneously, and twists reverse the no attenuation increase phenomenon of back optic fibre.
The resin adhesive 32 is selected as a UV light curing adhesive, in order to control the influence of the performance of the resin adhesive 32 on the performance of the optical fiber ribbon, as shown in fig. 5-6, the resin viscosity of the resin adhesive 32 is between 4800cps and 6000cps, the resin viscosity is too high, large internal stress can be generated in the resin coating process, the control of the resin coating amount is not facilitated, the resin viscosity is too low, the coated resin can naturally sag before curing, so that a single-side coating phenomenon is formed, the elongation of the coated resin is larger than 60% and the curing shrinkage is larger than 1.95% in the preferable resin adhesive 32 resin viscosity range, the two parameters ensure the toughness of the coated resin after UV curing, namely, good connectivity can be still maintained between optical fibers after the optical fiber ribbon is twisted to the maximum extent, and the gluing temperature of the resin adhesive 32 is properly selected according to the indication of a viscosity-temperature curve.
Example 2:
based on the optical fiber ribbon capable of being wound provided in embodiment 1, in order to meet the requirement of the optical fiber ribbon for the dispensing process, a dispensing device for the optical fiber ribbon capable of being wound is provided;
as shown in fig. 5, a glue dispensing device for a windable optical fiber ribbon comprises an installation fixed frame 1, a glue dispensing movable group 11 and an interval transmission component, wherein the glue dispensing movable group 11 is movably installed on the installation fixed frame 1, a two-core optical fiber ribbon 31 penetrates through the installation fixed frame 1 and is drawn by an external winding device, the installation fixed frame 1 is used for maintaining the stable movement of the two-core optical fiber ribbon 31, the glue dispensing movable group 11 is connected with an external resin glue 32 supply device, the glue dispensing movable group 11 is used for coating the two-core optical fiber ribbon 31 with the resin glue 32, and the interval transmission component is connected between the installation fixed frame and the glue dispensing movable group 11 and is used for controlling the glue dispensing movable group 11 to periodically approach the two-core optical fiber ribbon 31.
As shown in fig. 6, the mounting and fixing frame 1 includes a vertical plate 2, a transverse plate 3 and an optical fiber guiding assembly 5, the vertical plate 2 is mounted on an external end surface, the transverse plate 3 is mounted on the vertical plate 2, a motor groove 4 is formed in the transverse plate 3, and the optical fiber guiding assembly 5 is mounted above the motor groove 4 of the transverse plate 3, wherein the optical fiber guiding assembly 5 includes a fixing support 6, a stacking frame 8 and optical fiber brackets 9, the fixing support 6 is mounted above the motor groove 4 of the transverse plate 3, the stacking frame 8 is mounted on the fixing support 6, a plurality of optical fiber brackets 9 are longitudinally distributed on the stacking frame 8, and a two-core optical fiber ribbon 31 passes through the optical fiber brackets 9; the mounting fixed frame 1 provides support for the stable operation of the two-core optical fiber ribbon 31, provides mounting stations for the interval transmission assemblies, and is a basic structure for smoothly implementing gluing.
As shown in fig. 7, the glue-applying moving assembly 11 includes a moving assembly slide rail 12, a moving plate 13, a servo motor 14, a glue-applying assembly 16, a glue-applying wheel 26 and a transmission tooth assembly 30, the slide rail is mounted on the transverse plate 3, the moving plate 13 is slidably mounted on the transverse plate 3, the servo motor 14 is disposed in the motor slot 4, an output end of the servo motor 14 is connected with a speed reducer, the speed reducer is mounted on a lower end face of the transverse plate 3, the output end of the speed reducer penetrates through the transverse plate 3, the speed reducer is in transmission connection with the transmission tooth assembly 30, the glue-applying wheel 26 is mounted on the transmission tooth assembly 30, the glue-applying assembly 16 is mounted on the moving plate 13, and the glue-applying wheel 26 is matched with the glue-applying assembly 16; the gluing moving group 11 quantitatively supplies the resin glue 32 to the gluing wheel 26, and realizes periodic gluing action through rotation of the gluing wheel 26, so that the precision of gluing amount on the two-core optical fiber ribbon 31 is ensured, and gluing intervals are accurate.
As shown in fig. 6-7, the interval gluing assembly comprises a moving group pulling plate 7, a roller follower 10, a pull-back spring 15 and a transmission cam, wherein the transmission cam is installed on a transmission tooth group 30, the roller follower 10 is installed on a fixed bracket 6, the roller follower 10 is matched with the transmission cam, the moving group pulling plate 7 is installed on the fixed bracket 6, and the pull-back spring 15 is installed between the moving group pulling plate 7 and a moving plate 13 and is used for being matched with the transmission cam; the transmission cam and the pullback spring 15 of the interval gluing component are matched with the output of the servo motor 14, so that the gluing process of the gluing movable group 11 is close to the two-core optical fiber ribbon 31, the non-gluing process is far away from the two-core optical fiber ribbon 31, and the resin glue 32 is uniformly coated on the side face of the optical fiber in a fixed length and an adjustable period.
As shown in fig. 10, the glue application wheel 26 is of a cam structure, the glue application wheel 26 is keyed to the output end of the servo motor 14 through an internal shaft hole 27 and fixed by a fastening screw passing through a fastening hole 29, a glue application slot 28 is formed in the glue application wheel 26, and the glue application slot 28 is used for storing resin glue 32 output by the glue injection assembly 16; the glue coating groove 28 is matched with the linearly moving two-core optical fiber ribbon 31 in a rotating posture, the glue coating area of the glue coating groove 28 is large, compared with the traditional glue coating hole, the glue coating groove 28 can eliminate the wire drawing phenomenon generated by flowing and cutting off resin, and can also avoid the accumulation point formed by the internal stress of the resin after coating.
As shown in fig. 8, the glue injection assembly 16 includes a glue injection seat 17, a glue injection slide rail 18, a slide block 19, a spring shaft 20, a fitting spring 21 and glue applying nozzles 22, the glue injection seat 17 is mounted on the movable plate 13, the glue injection slide rail 18 is mounted on the sub glue injection seat 17, the slide block 19 is disposed on the glue injection slide rail 18, the spring shaft 20 is mounted on the glue injection seat 17 and extends to the inside of the slide block 19, the fitting spring 21 is disposed between the slide block 19 and the glue injection seat 17, and the glue applying nozzles 22 are stacked on the slide block 19; the glue injection assembly 16 provides a movable installation mode for the glue injection nozzle 22, the movable glue injection nozzle 22 is used for matching with a cam structure of the glue application wheel 26, and when a gap exists between the glue injection nozzle 22 and the glue application wheel 26, the resin glue 32 is smoothly supplied into the glue application groove 28 of the glue application wheel 26.
As shown in fig. 9, the glue applying nozzle 22 is installed on the slide block 19 by passing through the installation hole 23 through a screw, a glue injecting channel is formed on the glue applying nozzle 22, a glue injecting port 24 of the glue injecting channel is connected with an external resin glue 32 supply device, a glue outlet 25 of the glue injecting channel is matched with a glue applying groove 28, the end face of the glue applying nozzle 22 at the glue outlet 25 is in an arc-shaped structure, and the arc-shaped structure is matched with a glue applying wheel 26; the cambered surface structure on the gluing nozzle 22 is matched with the non-working stroke of the cam to avoid the leakage of the resin adhesive 32, the working stroke is matched with the cambered surface structure to form a gap, the glue discharging of the gluing nozzle 22 is facilitated, and the smooth glue supplying is ensured.
When the dispensing device is used, an optical fiber ribbon with a structure b in fig. 2 needs to be prepared in advance, then a two-core optical fiber ribbon 31 penetrates through the optical fiber bracket 9 and performs uniform linear motion, in the process of gluing, resin glue 32 enters from the glue injection port 24 and is discharged from the glue outlet 25, when the resin glue 32 is discharged from the glue nozzle 22, the working stroke of the glue coating wheel 26 starts to be matched with the arc-shaped structure of the glue coating nozzle 22, the resin glue 32 is smoothly discharged through a gap between the glue coating wheel 26 and the glue coating nozzle 22, the glue coating groove 28 is gradually filled with the resin glue 32 along with the rotation of the glue coating wheel 26, and then the glue coating groove 28 turns to the two-core optical fiber ribbon 31;
at this time, the working stroke of the transmission cam is far away from the roller follower 10, the gluing movable group 11 is drawn to be close to the two-core optical fiber ribbon 31 under the deformation recovery action of the pullback spring 15 until the resin glue 32 in the glue coating groove 28 is coated on the two-core optical fiber ribbon 31, the coating process comprises the rotation of the glue coating groove 28 and the linear motion of the two-core optical fiber ribbon 31, the thickness of the resin glue can be accurately controlled, the wire drawing phenomenon generated by resin flowing cutting does not exist, the accumulation point formed by the internal stress of the resin after coating can be avoided, and the resin glue can be controlled to be uniformly coated on the side surface of the two-core optical fiber ribbon 31 in a fixed length according to the rotating speed of the glue coating wheel 26 and the linear motion speed of the two-core optical fiber ribbon 31;
after the gluing, under the effect of drive cam, the gluing moves group 11 and keeps away from two-core optical fiber tape 31, and two-core optical fiber tape 31 after many with the gluing can bond through threading mould and be netted optical fiber tape 33, and the optical fiber tape in this netted optical fiber tape 33 possesses good optic fibre arrangement structure for netted optical fiber tape 33's overall structure is fine and close, and the characteristic of resin glue 32 makes netted optical fiber tape 33 around the convolution strong, twists reverse the problem that the increase of decay can not appear among the coiling process.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the embodiments, and various equivalent changes can be made to the technical solution of the present invention within the technical scope of the present invention, and these equivalent changes are all within the protection scope of the present invention.
Claims (10)
1. A rollable optical fiber ribbon, comprising: the optical fiber comprises two-core optical fiber ribbons (31) and resin adhesives (32), wherein the two-core optical fiber ribbons (31) are arranged in parallel, and the resin adhesives (32) are bonded between the side walls of the adjacent two-core optical fiber ribbons (31) at intervals and used for bonding the two-core optical fiber ribbons (31) into a net structure; wherein the two-core optical fiber ribbon (31) comprises two colored optical fibers and resin glue (32) used for wrapping the colored optical fibers.
2. The rollable optical fiber ribbon of claim 1, wherein: the resin adhesive (32) is UV light curing adhesive; the resin viscosity of the resin glue (32) is between 4800cps and 6000 cps.
3. A rollable optical fiber ribbon according to claim 2, wherein: and the thickness of the resin adhesive (32) adhered to the side surface of the two-core optical fiber ribbon (31) is smaller than the diameter of the optical fiber after being cured.
4. A dispensing device for manufacturing the rollable optical fiber ribbon according to claim 1, wherein: move group (11) and interval transmission assembly including installation deciding frame (1), rubber coating, the rubber coating moves group (11) movable mounting on installation deciding frame (1), two core optical fiber bands (31) pass installation deciding frame (1) and are pull by external coiling mechanism, installation deciding frame (1) is used for maintaining the motion stability of two core optical fiber bands (31), the rubber coating moves group (11) and is connected with external resin glue feeding device, the rubber coating moves group (11) and is used for moving group (31) coating resin glue (32) to two core optical fiber bands, interval transmission assembly connects and moves between group (11) in installation deciding frame (1) and rubber coating for control rubber coating moves group (11) periodicity and is close to two core optical fiber bands (31).
5. The dispensing device for fiber ribbon capable of winding according to claim 4, wherein: the mounting and fixing frame (1) comprises a vertical plate (2), a transverse plate (3) and an optical fiber guiding assembly (5), wherein the vertical plate (2) is mounted on the external end face, the transverse plate (3) is mounted on the vertical plate (2), a motor groove (4) is formed in the transverse plate (3), and the optical fiber guiding assembly (5) is mounted above the motor groove (4) of the transverse plate (3);
the optical fiber guiding assembly (5) comprises a fixing support (6), a stacking frame (8) and optical fiber brackets (9), wherein the fixing support (6) is installed above a motor groove (4) of the transverse plate (3), the stacking frame (8) is installed on the fixing support (6), the optical fiber brackets (9) are longitudinally distributed on the stacking frame (8), and the two-core optical fiber ribbons (31) penetrate through the optical fiber brackets (9).
6. The dispensing device for fiber ribbon capable of being wound according to claim 5, wherein: the rubber coating moves group (11) including moving group slide rail (12), movable plate (13), servo motor (14), injecting glue assembly (16), rubber coating wheel (26) and transmission tooth group (30), slide rail (12) are installed on diaphragm (3), movable plate (13) slidable mounting is on diaphragm (3), servo motor (14) set up in motor groove (4), the output of servo motor (14) is connected with the reduction gear, the terminal surface under diaphragm (3) that the reduction gear was installed, and the output passes diaphragm (3), the reduction gear transmission is connected with transmission tooth group (30), rubber coating wheel (26) are installed on transmission tooth group (30), injecting glue assembly (16) are installed on movable plate (13), rubber coating wheel (26) and injecting glue assembly (16) cooperation.
7. The dispensing device for fiber ribbon capable of winding according to claim 6, wherein: the interval rubber coating subassembly is including moving group arm-tie (7), roller follower (10), pullback spring (15) and drive cam, drive cam installs on transmission tooth group (30), install on fixed bolster (6) roller follower (10), roller follower (10) and drive cam cooperation, it installs on fixed bolster (6) to move group arm-tie (7), pullback spring (15) are installed and are being moved between group arm-tie (7) and movable plate (13) for cooperation drive cam.
8. The dispensing device for the rollable optical fiber ribbon according to claim 6, wherein: the glue spreading wheel (26) is of a cam structure, the glue spreading wheel (26) is connected to the output end of the servo motor (14) in a key mode through an inner shaft hole (27) and penetrates through a fastening hole (29) through a fastening screw to be fixed, a glue spreading groove (28) is formed in the glue spreading wheel (26), and the glue spreading groove (28) is used for storing resin glue (32) output by the glue injection assembly (16).
9. The dispensing device for the rollable optical fiber ribbon according to claim 6, wherein: the glue injection assembly (16) comprises a glue injection seat (17), a glue injection slide rail (18), a slide block (19), a spring shaft (20), a joint spring (21) and a glue injection nozzle (22), wherein the glue injection seat (17) is installed on the movable plate (13), the glue injection slide rail (18) is installed on the sub-glue injection seat (17), the slide block (19) is arranged on the glue injection slide rail (18), the spring shaft (20) is installed on the glue injection seat (17) and extends to the inside of the slide block (19), the joint spring (21) is arranged between the slide block (19) and the glue injection seat (17), and the glue injection nozzle (22) is stacked on the slide block (19).
10. The dispensing device for fiber ribbon capable of winding according to claim 9, wherein: glue coating mouth (22) pass mounting hole (23) through the screw and install on slider (19), the injecting glue passageway has been seted up on glue coating mouth (22), injecting glue mouth (24) and the external resin of injecting glue passageway are glued feeding device and are connected, glue outlet (25) and the cooperation of rubber coating groove (28) of injecting glue passageway, glue coating mouth (22) are the arc surface structure at the terminal surface of glue outlet (25), and this arc surface structure cooperates with rubber coating wheel (26).
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| CN202210948267.8A CN115308862B (en) | 2022-08-08 | 2022-08-08 | Reelable optical fiber ribbon and adhesive dispensing device thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210948267.8A CN115308862B (en) | 2022-08-08 | 2022-08-08 | Reelable optical fiber ribbon and adhesive dispensing device thereof |
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| CN115308862A true CN115308862A (en) | 2022-11-08 |
| CN115308862B CN115308862B (en) | 2023-08-25 |
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