WO2016045540A1 - 一种双色光纤着色模具 - Google Patents

一种双色光纤着色模具 Download PDF

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Publication number
WO2016045540A1
WO2016045540A1 PCT/CN2015/089936 CN2015089936W WO2016045540A1 WO 2016045540 A1 WO2016045540 A1 WO 2016045540A1 CN 2015089936 W CN2015089936 W CN 2015089936W WO 2016045540 A1 WO2016045540 A1 WO 2016045540A1
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Prior art keywords
mold
inlet
die
outlet
fiber coloring
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PCT/CN2015/089936
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English (en)
French (fr)
Inventor
吴忠明
王珑
阮华
贺言
张刚
Original Assignee
烽火通信科技股份有限公司
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Application filed by 烽火通信科技股份有限公司 filed Critical 烽火通信科技股份有限公司
Priority to BR112017001085-2A priority Critical patent/BR112017001085B1/pt
Publication of WO2016045540A1 publication Critical patent/WO2016045540A1/zh
Priority to PH12017500030A priority patent/PH12017500030A1/en

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    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
    • C03C25/10—Coating
    • C03C25/12—General methods of coating; Devices therefor
    • C03C25/16—Dipping
    • 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
    • B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
    • B29C48/154—Coating solid articles, i.e. non-hollow articles
    • 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
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/17—Articles comprising two or more components, e.g. co-extruded layers the components having different colours
    • B29C48/175—Articles comprising two or more components, e.g. co-extruded layers the components having different colours comprising a multi-coloured single component, e.g. striated, marbled or wood-like patterned
    • 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
    • B29C48/30—Extrusion nozzles or dies
    • 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
    • G02B6/04—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings formed by bundles of fibres
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/34—Apparatus or processes specially adapted for manufacturing conductors or cables for marking conductors or cables

Definitions

  • the invention relates to the technical field of fiber surface coloring treatment, in particular to a two-color fiber coloring mold.
  • the core of the outdoor layer twisted communication cable is generally composed of a plurality of loose tubes of different colors, and the communication fibers are placed in loose bundle tubes, generally having 1 to 12 fibers in each sleeve.
  • each fiber within a single loose tube is colored differently. Since there are only 12 kinds of optical fiber coloring inks in the world, the traditional loose tube can only accommodate up to 12 fibers, so that the number of fibers in the loose tube bundle is limited by the color of the colored ink, so the large number of cables can only be used.
  • the diameter of the large core cable is increasing and the unit weight is also increasing, which not only increases the cost of cable manufacturing and logistics but also increases the difficulty of laying and constructing the cable.
  • the number of optical fibers in a single loose tube in the optical cable can be increased to increase the number of optical fiber cores, the number of loose tube bundles in the optical cable can be effectively reduced, and the diameter of the optical cable can be reduced.
  • each bushing has more than 12 fibers, and the other color fibers other than the national standard color are realized by the fiber optic ring ring process, that is, on the surface of the colored fiber, the black ring mark line is intermittently sprayed, thereby Based on the 12-color colored fiber, 12 color-coded colored fibers were added, which increased the number of distinguishable colored fibers in the same casing to 24 cores.
  • the production process of the spray ring process is slow, and it is necessary to add a production spray ring process after the fiber is colored, thereby reducing the production efficiency.
  • the object of the present invention is to provide a two-color fiber coloring mold, which improves the production speed and reduces one production process and greatly improves the production efficiency.
  • a two-color fiber coloring mold comprising an ink cup of a cylindrical structure and a mold axially inserted into the ink cup, the mold comprising an inlet mold and an exit mold, One end of the inlet die is inserted into the outlet die to form an insertion end, and the insertion end has a first tapered mating surface, and the inner wall corresponding to the insertion end of the outlet die has a matching surface with the first tapered mating surface a second tapered mating surface; the inlet die and the outlet die are respectively provided with an inlet die center hole and an exit die center hole which are coincident with a center line in the axial direction, and an ink is provided between the center hole of the inlet die and the center hole of the exit die a cavity; a feeding inlet is provided on the side wall of the outlet die, and a feeding passage is disposed between each feeding port and the ink chamber; and two injection ports are provided on the sidewall of the ink cup
  • the feed channel is a groove disposed on the first tapered mating surface.
  • the utility model further comprises a spacer sleeve and a lock nut, wherein the fiber feeding end opening of the ink cup is contracted inwardly and extends to form a neck structure, and the outer side wall of the neck structure is provided with a lock nut A mating thread, one end of the spacer is pressed against the other end of the inlet mold, and the other end of the spacer is locked in the ink cup by a lock nut.
  • the inner side wall of the ink cup is provided with a first limiting step, and a first sealing ring is disposed between the first limiting step and the outlet die.
  • the other end of the inlet die extends outward to form a second limiting step, and a second sealing ring is disposed between the second limiting step and the outlet die.
  • the diameter of the intermediate hole of the inlet die is 0.256 ⁇ 0.260mm.
  • the diameter of the intermediate hole of the outlet die is 0.252 to 0.255 mm.
  • the distance between the intermediate hole of the inlet die and the intermediate hole of the outlet die is 0.5 to 1.5 mm.
  • the mold is made of an alloy steel material.
  • the present invention enables the natural color fiber to be coated and UV cured by a two-color forming process during coloring to form a two-color colored fiber, and the production speed can reach a normal single coloring speed compared to a conventional fiber optic ring. , which increases production speed and reduces one production process and improves production efficiency.
  • the two-color colored fiber formed by the invention can form different two-color fibers according to different color combinations (in theory, there can be 78 different two-color fibers), and the fiber resolvability is expanded.
  • FIG. 1 is a schematic structural view of a two-color fiber coloring mold in an embodiment of the present invention.
  • FIG. 2 is a schematic structural view of a mold in an embodiment of the present invention.
  • Figure 3 is a cross-sectional view taken along line A-A' of Figure 2;
  • a two-color fiber coloring mold includes a cylindrical ink cup 1 and a mold axially inserted into the ink cup 1.
  • the mold is made of an alloy steel material.
  • the mold includes an inlet die 3 and an outlet die 2, and one end of the inlet die 3 is inserted into the outlet die 2 to form an insertion end.
  • the spacer 5 and the lock nut 6 are further included, and the fiber end opening of the ink cup 1 is inwardly contracted and extended to form a neck structure 12, and the outer side wall of the neck structure 12 is provided with a lock nut 6 matched threads, one end of the spacer 5 is pressed against the other end of the inlet die 3, and the other end of the spacer 5 is locked in the ink cup 1 by a lock nut 6.
  • the inner side wall of the ink cup 1 is provided with a first limiting step 13 , and a first sealing ring 7 is disposed between the first limiting step 13 and the outlet die 2 .
  • the insertion end has a first tapered mating surface
  • the inner wall corresponding to the insertion end of the outlet die 2 has a second tapered mating surface that cooperates with the first tapered mating surface
  • the inlet die 3 and the outlet die 2 are respectively provided with an inlet die center hole 32 and an outlet die center hole 22 which are coincident with a center line in the axial direction, and an ink chamber 4 is provided between the inlet die center hole 32 and the outlet die center hole 22.
  • the inlet die intermediate hole 32 has a diameter of 0.256 to 0.260 mm
  • the outlet die intermediate hole 22 has a diameter of 0.252 to 0.255 mm
  • the distance between the inlet die intermediate hole 32 and the outlet die intermediate hole 22 It is 0.5 to 1.5 mm.
  • the side wall of the outlet die 2 is provided with two feed ports 21, and a feed passage 31 is provided between each feed port 21 and the ink chamber 4; preferably, the feed
  • the material channel 31 is a groove disposed on the first tapered mating surface, and the two grooves are in the same plane.
  • Two injection ports 11 are provided on the side wall of the ink cup 1, and each of the injection ports 11 corresponds to one feed port 21.
  • the other end of the inlet die 3 extends outward to form a second limiting step 33, and a second sealing ring 8 is disposed between the second limiting step 33 and the outlet die 2.
  • the two inks are respectively injected into the two injection ports 11 of the ink cup 1 through the same pressure system, the ink flows through the feed port 11 into the feed port 21 of the inlet and outlet die 2, and enters into the outlet die 2
  • the ink is separated by the first tapered mating surface and the second tapered mating surface between the inlet die 3 and the outlet die 2, and the separated two inks pass through the feed passage 31 in the ink chamber 4 under the same pressure.
  • the ink flowing here will be quickly taken out of the exit die 2 by the optical fiber 9 in the future, and after passing through the UV curing oven, the ink of the two colors is solidified in the optical fiber.
  • a two-color fiber is formed.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Surface Treatment Of Glass Fibres Or Filaments (AREA)
  • Coating Apparatus (AREA)
  • Treatment Of Fiber Materials (AREA)

Abstract

一种双色光纤着色模具，涉及光纤表面着色处理技术领域，其包括圆筒结构的油墨杯及沿轴向插装在油墨杯内的模具，模具包括进口模和出口模，进口模的一端插装在出口模内形成插入端，该插入端具有第一锥形配合面，出口模内与插入端相对应的内壁处具有与第一锥形配合面相配合的第二锥形配合面；进口模和出口模分别沿轴向设有中心线相重合的进口模中心孔和出口模中心孔，且进口模中心孔与出口模中心孔之间设有油墨腔；出口模的侧壁上设有两个进料口，每一个进料口与油墨腔之间设有一条进料通道；油墨杯的侧壁上设有两个注料口，每一个注料口与一个进料口对应。本发明提高了生产速度，而且减少了一道生产工序，极大的提高了生产效率。

Description

一种双色光纤着色模具 技术领域
本发明涉及光纤表面着色处理技术领域，具体来讲是一种双色光纤着色模具。
背景技术
室外层绞式通信光缆的缆芯一般由若干个不同颜色松套管组成，起通信作用的光纤则被放在松套束管中，一般每个套管中有1至12根光纤。为了实现套管中光纤的可分辨性，单个松套管内的每根光纤被着为不同颜色。由于国际通用的光纤着色油墨颜色只有12种，因此传统的松套管一般最多只能容纳12根光纤，使得松套束管中光纤数量受到着色油墨颜色的限制，所以大芯数的光缆只能依靠增加缆芯中松套束管数目来实现，从而导致大芯数光缆直径越来越大、单位重量也在不断增加，这不仅增加了光缆制造与物流成本而且加大了光缆铺设与施工难度。在设计大芯数光缆时，如果能够通过增加光缆中单个松套管内的光纤数量，来实现增大光缆芯数，则可以有效减少光缆中松套束管数量，减小光缆直径。
目前光纤光缆行业中每个套管套12根以上光纤，国标颜色以外其他颜色光纤是通过光纤喷环工艺来实现，即在着色光纤的表面，间歇性的喷上黑色环状标示线，从而在12色着色光纤的基础上，增加了12种色环着色光纤，使得同一根套管内可区分的着色光纤数量增加到了24芯。但这种喷环工艺的生产速度较慢，而且需在光纤着色后再增加一道生产喷环工序，降低了生产效率。
发明内容
针对现有技术中存在的缺陷，本发明的目的在于提供一种双色光纤着色模具，本发明提高了生产速度，而且减少了一道生产工序，极大的提高了生产效率。
为达到以上目的，本发明采取的技术方案是：一种双色光纤着色模具，包括圆筒结构的油墨杯及沿轴向插装在油墨杯内的模具，所述模具包括进口模和出口模，所述进口模的一端插装在出口模内形成插入端，该插入端具有第一锥形配合面，所述出口模内与插入端相对应的内壁处具有与第一锥形配合面相配合的第二锥形配合面；所述进口模和出口模分别沿轴向设有中心线相重合的进口模中心孔和出口模中心孔，且进口模中心孔与出口模中心孔之间设有油墨腔；所述出口模的侧壁上设有两个进料口，每一个进料口与油墨腔之间设有一条进料通道；所述油墨杯的侧壁上设有两个注料口，每一个注料口与一个进料口对应。
在上述技术方案的基础上，所述进料通道为设置在第一锥形配合面的凹槽。
在上述技术方案的基础上，还包括隔套和锁紧螺母，所述油墨杯的进纤端开口向内收缩并延伸形成颈部结构，该颈部结构的外侧壁上设有与锁紧螺母相配合的螺纹，所述隔套的一端抵压在进口模的另一端，隔套的另一端通过锁紧螺母锁紧在油墨杯内。
在上述技术方案的基础上，所述油墨杯的内侧壁设有第一限位台阶，所述第一限位台阶与出口模之间设有第一密封圈。
在上述技术方案的基础上，所述进口模的另一端向外延伸形成第二限位台阶，所述第二限位台阶与出口模之间设有第二密封圈。
在上述技术方案的基础上，所述进口模中间孔的直径为 0.256～0.260mm。
在上述技术方案的基础上，所述出口模中间孔的直径为0.252～0.255mm。
在上述技术方案的基础上，所述进口模中间孔与出口模中间孔之间的距离为0.5～1.5mm。
在上述技术方案的基础上，所述模具采用合金钢材料制成。
本发明的有益效果在于：
1、本发明使本色光纤在着色时将两种不同颜色的油墨通过一道生成工序进行涂覆和UV固化，形成双色着色光纤，该方法生产速度能够达到正常单着色速度，相比传统光纤喷环，提高了生产速度，而且减少了一道生产工序，提高了生产效率。
2、本发明形成的双色着色光纤，根据不同颜色的组合可以形成不同双色光纤(理论上可以有78种不同双色光纤)，拓展了光纤的可分辨性。
附图说明
图1是本发明实施例中双色光纤着色模具的结构示意图；
图2是本发明实施例中模具的结构示意图；
图3是图2中A－A'向的剖视图。
附图标记：
1－油墨杯；11－注料口；12－颈部结构；13－第一限位台阶；
2－出口模；21－进料口；22－出口模中心孔；
3－进口模；31－进料通道；32－进口模中心孔；33－第二限位台阶；
4－油墨腔；5－隔套；6－锁紧螺母；7－第一密封圈；8－第二密封圈；9－光纤。
具体实施方式
以下结合附图及实施例对本发明作进一步详细说明。
参见图1所示，一种双色光纤着色模具，包括圆筒结构的油墨杯1及沿轴向插装在油墨杯1内的模具，优选的，所述模具采用合金钢材料制成。所述模具包括进口模3和出口模2，所述进口模3的一端插装在出口模2内形成插入端。优选的，还包括隔套5和锁紧螺母6，所述油墨杯1的进纤端开口向内收缩并延伸形成颈部结构12，该颈部结构12的外侧壁上设有与锁紧螺母6相配合的螺纹，所述隔套5的一端抵压在进口模3的另一端，隔套5的另一端通过锁紧螺母6锁紧在油墨杯1内。所述油墨杯1的内侧壁设有第一限位台阶13，所述第一限位台阶13与出口模2之间设有第一密封圈7。
参见图3所示，该插入端具有第一锥形配合面，所述出口模2内与插入端相对应的内壁处具有与第一锥形配合面相配合的第二锥形配合面；所述进口模3和出口模2分别沿轴向设有中心线相重合的进口模中心孔32和出口模中心孔22，且进口模中心孔32与出口模中心孔22之间设有油墨腔4。优选的，所述进口模中间孔32的直径为0.256～0.260mm，所述出口模中间孔22的直径为0.252～0.255mm，所述进口模中间孔32与出口模中间孔22之间的距离为0.5～1.5mm，此时，光纤9的着色效果及着色后光纤9的衰减性能最佳。
参见图2所示，所述出口模2的侧壁上设有两个进料口21，每一个进料口21与油墨腔4之间设有一条进料通道31；优选的，所述进料通道31为设置在第一锥形配合面的凹槽，且两个凹槽处于同一平面。所述油墨杯1的侧壁上设有两个注料口11，每一个注料口11与一个进料口21对应。所述进口模3的另一端向外延伸形成第二限位台阶33，所述第二限位台阶33与出口模2之间设有第二密封圈8。
本发明的实施方法：
通过相同的压力系统将两种油墨分别被注入到油墨杯1的两个注料口11内，油墨通过注料口11流进出口模2的进料口21，进入出口模2内的两种油墨通过进口模3与出口模2间的第一锥形配合面及第二锥形配合面被隔离开，被隔离开的两种油墨在相同压力作用下经过进料通道31在油墨腔4内开始混和，由于此时光纤9行走度较快，流到此处的油墨还未来得及混合就被光纤9迅速从出口模2带出，经过UV固化炉后，两种颜色的油墨便固化在光纤上，即形成了双色光纤。
本发明不局限于上述实施方式，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也视为本发明的保护范围之内。本说明书中未作详细描述的内容属于本领域专业技术人员公知的现有技术。

Claims (9)

  1. 一种双色光纤着色模具，其特征在于：包括圆筒结构的油墨杯(1)及沿轴向插装在油墨杯(1)内的模具，
    所述模具包括进口模(3)和出口模(2)，所述进口模(3)的一端插装在出口模(2)内形成插入端，该插入端具有第一锥形配合面，所述出口模(2)内与插入端相对应的内壁处具有与第一锥形配合面相配合的第二锥形配合面；
    所述进口模(3)和出口模(2)分别沿轴向设有中心线相重合的进口模中心孔(32)和出口模中心孔(22)，且进口模中心孔(32)与出口模中心孔(22)之间设有油墨腔(4)；
    所述出口模(2)的侧壁上设有两个进料口(21)，每一个进料口(21)与油墨腔(4)之间设有一条进料通道(31)；
    所述油墨杯(1)的侧壁上设有两个注料口(11)，每一个注料口(11)与一个进料口(21)对应。
  2. 如权利要求1所述的双色光纤着色模具，其特征在于：所述进料通道(31)为设置在第一锥形配合面的凹槽。
  3. 如权利要求1所述的双色光纤着色模具，其特征在于：还包括隔套(5)和锁紧螺母(6)，所述油墨杯(1)的进纤端开口向内收缩并延伸形成颈部结构(12)，该颈部结构(12)的外侧壁上设有与锁紧螺母(6)相配合的螺纹，所述隔套(5)的一端抵压在进口模(3)的另一端，隔套(5)的另一端通过锁紧螺母(6)锁紧在油墨杯(1)内。
  4. 如权利要求1所述的双色光纤着色模具，其特征在于：所述油墨杯(1)的内侧壁设有第一限位台阶(13)，所述第一限位台阶(13)与出口模(2)之间设有第一密封圈(7)。
  5. 如权利要求1所述的双色光纤着色模具，其特征在于：所述进口模(3)的另一端向外延伸形成第二限位台阶(33)，所述第二限位台阶(33)与出口模(2)之间设有第二密封圈(8)。
  6. 如权利要求1所述的双色光纤着色模具，其特征在于：所述进口模中间孔(32)的直径为0.256～0.260mm。
  7. 如权利要求1所述的双色光纤着色模具，其特征在于：所述出口模中间孔(22)的直径为0.252～0.255mm。
  8. 如权利要求1所述的双色光纤着色模具，其特征在于：所述进口模中间孔(32)与出口模中间孔(22)之间的距离为0.5～1.5mm。
  9. 如权利要求1所述的双色光纤着色模具，其特征在于：所述模具采用合金钢材料制成。
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