CN102555108B - A kind of making mould of special-shape micro-fine optical fiber bundle and preparation method - Google Patents
A kind of making mould of special-shape micro-fine optical fiber bundle and preparation method Download PDFInfo
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- CN102555108B CN102555108B CN201210021240.0A CN201210021240A CN102555108B CN 102555108 B CN102555108 B CN 102555108B CN 201210021240 A CN201210021240 A CN 201210021240A CN 102555108 B CN102555108 B CN 102555108B
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Abstract
The present invention discloses a kind of making mould and preparation method of special-shape micro-fine optical fiber bundle, make mould and comprise die sleeve and core rod, die sleeve is provided with working hole, and core rod one end is removably fixed in the working hole on die sleeve, forms profiled holes between mandrel tip outer wall and working hole inwall.Mould of the present invention can adopt the materials processing not bonding with fibre bundle bonding agent to form, when making fibre bundle, only need penetrate optical fiber in profiled holes, can form the special-shaped optical fibre bundle of required end surface shape, finally demould can carry out follow-up as by work such as special-shaped for fibre bundle embed wholly termination parts.Making mould provided by the invention and preparation method is relatively existing wears a method technique, the high fill-ratio of optical fiber in special-shape micro-fine optical fiber bundle can be ensured, overcome when directly filling optical fiber on abnormal workpieces, the shortcoming that edge not easily fills up, reduce the machining accuracy to workpiece, the uniformity of product is high, and easy and simple to handle, effectively reliable, yield rate is high.
Description
Technical field
The present invention relates to non-communicating optical fiber fabrication arts, particularly a kind of making mould of special-shape micro-fine optical fiber bundle and preparation method.
Background technology
The floor light fibre bundle meeting ultra-fine (< 4mm) image collecting device has 2 features: 1. fibre bundle diameter is thin, and institute takes up space little; 2. realizing for being adapted at the maximization that quantity filled by optical fiber in the confined space, usually around image acquisition element (as CCD, CMOS), fibre bundle end face being made abnormal shape.This special-shape micro-fine optical fiber bundle is along with image collecting device is to ultra-fine future development, and its application is more and more wider, and profile also becomes increasingly complex.Because fibre bundle is thin, complex contour, therefore manufacture difficulty is large, and normal employing wears a method at present, and its step is as follows: 1. first adopt mechanical way to be processed with the metal parts in profiled holes or special-shaped chamber; 2. optical fiber is penetrated in nibs or die cavity, control optical fiber density by feel; 3. adopt epoxy glue to profiled holes or chamber inner fiber impregnation, and be cured; 4., after adhesive solidification, special end optical fiber will be exposed and carry out cutting, grinding and polishing, until end face is minute surface.The method has 3 problems: the micro parts Nei Biaoyin 1. made by machining (as Wire EDM) has molybdenum filament or spark track trace, be unfavorable for that diameter 15 ~ 30um optical fiber penetrates, have some setbacks owing to wearing silk, penetrate number of fibers few, be difficult to the high fill-ratio realizing optical fiber; 2. irregular part is little, inconvenient manual operations; 3. this preparation method requires high to Workpiece Machining Accuracy, and processing cost is high.
Summary of the invention
The present invention is directed in prior art and wear a deficiency for method technique, a kind of making mould and preparation method of special-shape micro-fine optical fiber bundle are provided, to realize the high fill-ratio of the intrafascicular optical fiber of special-shaped optical fibre, and reduce machining accuracy and the cost of workpiece, improve uniformity and the yield rate of product.
For achieving the above object, the technical scheme that the present invention takes is: a kind of making mould of special-shape micro-fine optical fiber bundle, it is characterized in that, comprise die sleeve and core rod, die sleeve is provided with working hole, core rod one end is removably fixed in the working hole on die sleeve, forms profiled holes between mandrel tip outer wall and working hole inwall.
Improve as one, in die assembly process, for ensureing core rod and mating between die sleeve firmly, making mould of the present invention also comprises support, and die sleeve and core rod are all fixed on support, also can not set up support, utilizes adhesive by fixing between core rod and die sleeve.
Combined by the core rod of the working hole on die sleeve from different end surface shape, the profiled holes of multiple end surface shape can be matched, end surface shape as profiled holes is the one in crescent, fan-shaped, zigzag, square, square or annular, to adapt to multiple application demand.
Die sleeve of the present invention and core rod can for discrete individualities capable of being combined, and also can be the integrated design shaping entirety, and namely die sleeve and core rod combine rear or the one-body molded profiled holes that all can form required form; The size of core rod, die sleeve, support can not by the special-shaped end face size impact of special-shape micro-fine optical fiber bundle, but according to the concrete operations situation of operator, suitably strengthens, with easy to operate and economical and practical be more excellent.
In order to make, the fibre bundle produced is easier to depart from from working hole, and the die sleeve in the present invention and core rod adopt organic material to make, as polytetrafluoroethylmaterial material, can make profiled holes hole wall can not with adhesive adhesion, be very easy to the demoulding.
If die sleeve and core rod do not use organic material to make, also by the inwall of working hole on die sleeve and core rod outer wall apply organic material layer, make profiled holes hole wall can not with adhesive adhesion.
The preparation method that the present invention is based on the special-shape micro-fine optical fiber bundle of above-mentioned making mould comprises the following steps:
1). select the making mould that profiled holes end face is corresponding to required form, then making mould is mounted with, core rod one end is inserted in the working hole of die sleeve, form profiled holes;
2). in mould profiled holes, penetrate optical fiber, form fibre bundle, control the compactness extent of optical fiber, and make the optical fiber penetrating profiled holes have at least one end to be positioned at outside profiled holes;
The compactness extent of optical fiber controls by the feel experience of operating personnel, and range estimation optical fiber exposes the end size length of profiled holes at 5-10mm, is convenient to fibre bundle impregnation;
3). the end be positioned at by optical fiber outside profiled holes is dried, blow heat after, with the end points glue of impregnation pin at optical fiber, glue is naturally immersed in fibre bundle under capillarity principle, now needs the thickness of length no more than die sleeve of control fibre bundle impregnation, i.e. the length of profiled holes; Then accordingly drying mode is solidified to the type selecting according to adhesive, drying is cured to the glue in fibre bundle;
4). under maintaining the prerequisite that between core rod and die sleeve, relative position is constant, remove the parts being used for fixed mould, as support and other fixtures;
5). the end face of fibre bundle is ground and polishing, existing normal optical cold machining process can be adopted to carry out, until the end face of fibre bundle is minute surface, bright, smooth, then clear up polishing powder and other dirts of fibre bundle outer surface;
6). the demoulding: fibre bundle and die sleeve and core rod are all separated; Because the making mould in adhesive and the present invention is non-caked, so mould or fibre bundle gentle force only need be made, fibre bundle can be made to come off separation;
After completing above process, namely complete the making of a special-shape micro-fine optical fiber bundle special end;
7). repeat step 1) to step 6), another end of fibre bundle is made; If the other end is regular shape, as circle, those skilled in the art can directly conveniently fibre bundle manufacture craft carry out.
Beneficial effect of the present invention is: the mould utilizing the material not bonding with fibre bundle bonding agent to make, and can carry out composite design as required to profiled holes, can obtain the fibre bundle of various special end shape.Utilize making mould of the present invention can complete the making of fibre bundle by wearing a method, finally demould obtains special-shape micro-fine optical fiber bundle.Contrast and existingly wear a method technique, the present invention can ensure the high fill-ratio of optical fiber in special-shape micro-fine optical fiber bundle, and overcome when directly filling optical fiber on abnormal workpieces, the shortcoming that edge not easily fills up, reduces the machining accuracy to workpiece; And reliably easy and simple to handle, yield rate is high, and the uniformity of product is good.
Accompanying drawing explanation
Figure 1 shows that making mould structure schematic diagram of the present invention;
Figure 2 shows that the left pseudosection of Fig. 1;
Figure 3 shows that the present invention makes a kind of specific embodiment structural representation of mould;
Figure 4 shows that profiled holes end face is meniscate mould structure schematic diagram;
Figure 5 shows that profiled holes end face is fan-shaped mould structure schematic diagram;
Figure 6 shows that profiled holes end face is zigzag mould structure schematic diagram;
Figure 7 shows that profiled holes end face is square mould structure schematic diagram;
Figure 8 shows that profiled holes end face is step-like mould structure schematic diagram;
Figure 9 shows that the fibre bundle schematic diagram utilizing making Mould Machining of the present invention.
Detailed description of the invention
For making content of the present invention more become apparent, be further described below in conjunction with the drawings and specific embodiments.
Composition graphs 1 and Fig. 2, making mould of the present invention comprises die sleeve 1 and core rod 2, and die sleeve 1 is provided with working hole 11, and core rod 2 one end is removably fixed in the working hole 11 on die sleeve, forms profiled holes 3 between core rod 2 end outer wall and working hole 11 inwall.
As shown in Figure 3, in die assembly process, for ensureing core rod 2 and mating between die sleeve 1 firmly, be also provided with support 4, die sleeve 1 and core rod 2 are all fixed on support 4, and core rod 2 utilizes cotton thread 7 and bolt 6 cooperation to be fixed on support; Also can not set up support in addition, utilize adhesive by fixing between core rod and die sleeve.Further, die sleeve and core rod can be discrete individuality, also can be the integrated design; The size of core rod, die sleeve, support can not by the special-shaped end face size impact of special-shape micro-fine optical fiber bundle, but according to the concrete operations situation of operator, suitably strengthens, with easy to operate and economical and practical be more excellent.
Shown in composition graphs 4 to Fig. 8, combined by the core rod of the working hole on die sleeve from different end surface shape, the profiled holes of multiple end surface shape can be matched, end surface shape as profiled holes is crescent, fan-shaped, zigzag, square, square, annular or other its shapes, to adapt to multiple application demand.
In order to make, the fibre bundle produced is easier to depart from from working hole, and the die sleeve in the present invention and core rod adopt organic material to make, as polytetrafluoroethylmaterial material, can make profiled holes hole wall can not with adhesive adhesion, be very easy to the demoulding.If die sleeve and core rod do not use organic material to make, also by the inwall of working hole on die sleeve and core rod outer wall apply organic material layer, make profiled holes hole wall can not with adhesive adhesion.
The preparation method that the present invention is based on the special-shape micro-fine optical fiber bundle of above-mentioned making mould comprises the following steps:
1). select the making mould that profiled holes end face is corresponding to required form, then making mould is mounted with, core rod 2 one end is inserted in the working hole of die sleeve 1, form profiled holes 3;
2). in mould profiled holes 3, penetrate optical fiber 5, form fibre bundle, control the compactness extent of optical fiber 5, and make the optical fiber 5 penetrating profiled holes 3 have at least one end to be positioned at outside profiled holes 3;
The compactness extent of optical fiber 5 controls by the feel experience of operating personnel, and range estimation optical fiber 5 exposes the end size length of profiled holes 3 at 5-10mm, is convenient to fibre bundle impregnation;
3). the end be positioned at by optical fiber 5 outside profiled holes 3 is dried, blow heat after, with the end points glue of impregnation pin at optical fiber, glue is naturally immersed in fibre bundle under capillarity principle, now needs the thickness of length no more than die sleeve of control fibre bundle impregnation, i.e. the length of profiled holes; Then accordingly drying mode is solidified to the type selecting according to adhesive, drying is cured to the glue in fibre bundle;
4). under maintaining the prerequisite that between core rod 2 and die sleeve 1, relative position is constant, remove the parts being used for fixed mould, as support 4 and other fixtures, the bolt 6 in embodiment as shown in Figure 3 and cotton thread 7;
5). the end face of fibre bundle is ground and polishing, existing normal optical cold machining process can be adopted to carry out, until the end face of fibre bundle is minute surface, bright, smooth, then clear up polishing powder and other dirts of fibre bundle outer surface;
6). the demoulding: fibre bundle and die sleeve and core rod are all separated; Because the making mould in adhesive and the present invention is non-caked, so mould or fibre bundle gentle force only need be made, fibre bundle can be made to come off separation;
After completing above process, namely complete the making of a special-shape micro-fine optical fiber bundle special end;
7). repeat step 1) to step 6), another end of fibre bundle is made; If the other end is regular shape, as circle, those skilled in the art can directly conveniently fibre bundle manufacture craft carry out, finished product fibre bundle as shown in Figure 9, its one end utilizes the mould shown in Fig. 4 to make, and the other end is circular, adopts conventional fiber bundle manufacture craft to complete.
Described in the present invention, concrete case study on implementation is only better case study on implementation of the present invention, is not used for limiting practical range of the present invention.Namely all equivalences done according to the content of the present patent application the scope of the claims change and modify, all should as technology category of the present invention.
Claims (7)
1. a making mould for special-shape micro-fine optical fiber bundle, is characterized in that, comprise die sleeve and core rod, die sleeve is provided with working hole, and core rod one end is removably fixed in the working hole on die sleeve, forms profiled holes between mandrel tip outer wall and working hole inwall.
2. the making mould of special-shape micro-fine optical fiber bundle according to claim 1, is characterized in that, also comprise support, and die sleeve and core rod are all fixed on support.
3. the making mould of special-shape micro-fine optical fiber bundle according to claim 1 and 2, is characterized in that, the end surface shape of profiled holes is the one in crescent, fan-shaped, zigzag, square, square or annular.
4. the making mould of special-shape micro-fine optical fiber bundle according to claim 1 and 2, is characterized in that, die sleeve and core rod adopt organic material to make.
5. the making mould of special-shape micro-fine optical fiber bundle according to claim 1 and 2, is characterized in that, on die sleeve on the inwall of working hole and core rod outer wall with organic material layer.
6. the making mould of special-shape micro-fine optical fiber bundle according to claim 4, is characterized in that, described organic material is polytetrafluoroethylene (PTFE).
7., based on the preparation method of the special-shape micro-fine optical fiber bundle of the making mould described in any one of claim 1 to 6, it is characterized in that, comprise the following steps:
1). select the making mould that profiled holes end face is corresponding to required form, making mould is mounted with, core rod one end is inserted in the working hole of die sleeve, form profiled holes;
2). in mould profiled holes, penetrate optical fiber, form fibre bundle, control the compactness extent of optical fiber, and make the optical fiber penetrating profiled holes have at least one end to be positioned at outside profiled holes;
3). the end be positioned at by optical fiber outside profiled holes is dried, blow heat after, with the end points glue of impregnation pin at optical fiber, glue is immersed in fibre bundle naturally, then drying is cured to the glue in fibre bundle;
4). under maintaining the prerequisite that between core rod and die sleeve, relative position is constant, remove the parts being used for fixed mould;
5). the end face of fibre bundle is ground and polishing;
6). the demoulding: fibre bundle and die sleeve and core rod are all separated;
7). repeat step 1) to step 6), another end of fibre bundle is made.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210021240.0A CN102555108B (en) | 2012-01-31 | 2012-01-31 | A kind of making mould of special-shape micro-fine optical fiber bundle and preparation method |
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| CN201210021240.0A CN102555108B (en) | 2012-01-31 | 2012-01-31 | A kind of making mould of special-shape micro-fine optical fiber bundle and preparation method |
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| CN102555108B true CN102555108B (en) | 2015-10-28 |
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| CN104723575B (en) * | 2015-02-16 | 2017-03-01 | 北京八达众联科技有限公司 | A kind of method for fast mfg of taper convoluted preform |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4849037A (en) * | 1984-08-31 | 1989-07-18 | Toyota Jidosha Kabushiki Kaisha | Method for production of fiber reinforced plastic structure |
| CN1564034A (en) * | 2004-04-02 | 2005-01-12 | 烽火通信科技股份有限公司 | Double-refraction microstructure optical fiber and its mfg. method |
| CN1854780A (en) * | 2003-06-10 | 2006-11-01 | 杭州富通通信技术股份有限公司 | Production of optical cable |
| US7517157B1 (en) * | 2007-11-08 | 2009-04-14 | The Boeing Company | All-plastic optical mini-connector |
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2012
- 2012-01-31 CN CN201210021240.0A patent/CN102555108B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4849037A (en) * | 1984-08-31 | 1989-07-18 | Toyota Jidosha Kabushiki Kaisha | Method for production of fiber reinforced plastic structure |
| CN1854780A (en) * | 2003-06-10 | 2006-11-01 | 杭州富通通信技术股份有限公司 | Production of optical cable |
| CN1564034A (en) * | 2004-04-02 | 2005-01-12 | 烽火通信科技股份有限公司 | Double-refraction microstructure optical fiber and its mfg. method |
| US7517157B1 (en) * | 2007-11-08 | 2009-04-14 | The Boeing Company | All-plastic optical mini-connector |
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