WO2017215416A1 - Moule pour la fabrication d'un connecteur de fibre optique à double trou et procédé de fabrication d'un connecteur de fibre optique à double trou - Google Patents

Moule pour la fabrication d'un connecteur de fibre optique à double trou et procédé de fabrication d'un connecteur de fibre optique à double trou Download PDF

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Publication number
WO2017215416A1
WO2017215416A1 PCT/CN2017/085595 CN2017085595W WO2017215416A1 WO 2017215416 A1 WO2017215416 A1 WO 2017215416A1 CN 2017085595 W CN2017085595 W CN 2017085595W WO 2017215416 A1 WO2017215416 A1 WO 2017215416A1
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WO
WIPO (PCT)
Prior art keywords
parts
hole
positioning
mold
diameter
Prior art date
Application number
PCT/CN2017/085595
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English (en)
Chinese (zh)
Inventor
沈宇杰
Original Assignee
苏州高精特专信息科技有限公司
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Publication of WO2017215416A1 publication Critical patent/WO2017215416A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00—Moulds; Cores; Mandrels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/0097—Press moulds; Press-mould and press-ram assemblies
    • 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
    • G02B6/24—Coupling light guides
    • G02B6/36—Mechanical coupling means
    • G02B6/38—Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807—Dismountable connectors, i.e. comprising plugs
    • G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
    • G02B6/3865—Details of mounting fibres in ferrules; Assembly methods; Manufacture fabricated by using moulding techniques
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/16—Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes
    • B28B7/18—Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes the holes passing completely through the article
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/28—Cores; Mandrels
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C04B35/56—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides
    • C04B35/565—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides based on silicon carbide
    • 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
    • G02B6/24—Coupling light guides
    • G02B6/36—Mechanical coupling means
    • G02B6/38—Mechanical coupling means having fibre to fibre mating means

Definitions

  • the present invention relates to the field of connector technologies, and in particular, to a mold for manufacturing a two-hole structure fiber connector and a method for manufacturing a dual-hole structure fiber connector.
  • Fibers usually have two connections, one is fusion, which requires complex and expensive connection equipment, and the connection speed is slow; the second is the active connection, and the common connection is the fiber connector.
  • the fiber continuator in the prior art has a complicated structure, a large number of manufacturing processes, and a high cost.
  • precision ranging devices due to the small size of the device, it is desirable to have a smaller, simpler fiber optic connector.
  • an object of the present invention is to disclose a mold for manufacturing a two-hole structure fiber connector and a method for manufacturing a two-hole structure fiber connector, which can be fabricated in a fiber connector of a two-hole structure.
  • Key devices which are implemented using the following technical solutions.
  • a mold for manufacturing a two-hole structure optical fiber connector which is characterized in that it is composed of a pressing mold, a positioning mold, a socket mold, and a molding die; and a fiber connecting head is manufactured, and the molding die is fixedly mounted on the base of the pressing machine.
  • the sleeve mold set is on the molding die, the positioning die is installed in the sleeve die, and the pressing die is set outside the positioning die;
  • the molding die is composed of a base, and the center of the base has a cylindrical recessed hole, the recessed hole does not penetrate the lower surface of the base, and the recessed hole has a first pillar extending upward from the center of the bottom surface of the recessed hole and a second pillar, the first pillar and the second pillar are next to each other, and the first positioning hole, the second positioning hole, the third positioning hole, and the fourth positioning hole are symmetrically distributed outside the concave hole
  • One/second/third/fourth positioning holes are inconsistent
  • the upper surface of the first pillar is protruded from the upper surface of the base, the first pillar is cylindrical, the diameter of the first pillar is smaller than the diameter of the recess; the upper surface of the second pillar is Protruding from the upper surface of the base, the second pillar is cylindrical, the diameter of the second pillar is smaller than the diameter of the recess, and the second pillar is not in contact with the edge of the recess; the axis of the first pillar,
  • the sleeve mold is a sleeve body, a circular cylinder sleeve extending downward from the center of the lower surface of the sleeve body, and extends downward from the center of the lower surface of the sleeve body and is located at the sleeve
  • the first positioning post, the second positioning post, the third positioning post, and the fourth positioning post are disposed symmetrically with respect to the sleeve body, and the sleeve body has a sleeve hole penetrating along the axis of the sleeve body,
  • the diameter of the socket is equal to the inner diameter of the sleeve, and the axis of the socket coincides with the axis of the sleeve;
  • the diameter of the first positioning column is smaller than the diameter of the first positioning hole, and the diameter of the second positioning column is smaller than the second
  • the diameter of the positioning hole is smaller than the diameter of the third positioning hole, the diameter of the fourth positioning column is smaller
  • the positioning die is composed of a cylindrical positioning die body, the positioning die body has a cylindrical first positioning die hole and a second bit die hole extending upward from the lower surface, the first positioning die hole and the second position
  • the die hole is next to each other, and the first positioning die hole and the second positioning die hole do not penetrate the upper surface of the positioning die body, and the axis of the first positioning die hole coincides with the axis of the positioning die body, and the first positioning die hole
  • the diameter is slightly larger than the diameter of the first pillar, the depth of the first positioning die hole is not less than the length of the first pillar, the diameter of the second positioning die hole is slightly larger than the diameter of the second pillar, and the depth of the second positioning die hole is not less than the second
  • the length of the pillar, the diameter of the positioning die body is smaller than the diameter of the socket hole, and the length of the positioning die body is not less than: the sum of the height of the socket die body and the height of the socket body; the first positioning die hole and the second positioning die hole Have
  • the pressing die is composed of a pressing connecting portion, a cylindrical pressing die body located under the pressing connecting portion and integrally connected with the pressing connecting portion, and the inside of the pressing die body has a cylindrical shape extending upward from the lower surface of the pressing die body. Pressing the hole, the axis of the pressing hole coincides with the axis of the pressing mold body, and the pressing hole is pressed through
  • the length of the upper and lower surfaces of the mold body is not less than the length of the positioning mold body.
  • the diameter of the pressing mold body is smaller than the diameter of the sleeve hole, and the diameter of the pressing hole is larger than the diameter of the positioning mold body.
  • the above-mentioned mold for manufacturing a two-hole structure optical fiber connector wherein the pressing mold, the positioning mold, the socket mold, and the molding die are all made of steel or iron or an alloy.
  • a method of manufacturing a two-hole structure fiber optic connector characterized in that the manufacturing method uses a mold for manufacturing a two-hole structure fiber connector, the mold for manufacturing a two-hole structure fiber connector, by a pressing die, Positioning die, socket die, molding die; manufacturing double-hole structure fiber connector ⁇ , the molding die is fixedly mounted on the base of the press, the splicing die is set on the molding die, the positioning die is installed in the splicing die, and the pressing The mold set is outside the positioning mold;
  • the molding die is composed of a base, the center of the base has a cylindrical recess, the recess does not penetrate the lower surface of the base, and the recess has a first pillar extending upward from the center of the bottom surface of the recess and a second pillar, the first pillar and the second pillar are next to each other, and the first positioning hole, the second positioning hole, the third positioning hole, and the fourth positioning hole are symmetrically distributed outside the concave hole
  • the first/second/third/fourth positioning holes are not penetrated through the lower surface of the base, the upper surface of the first pillar protrudes from the upper surface of the base, and the first pillar has a cylindrical shape, and the first pillar
  • the diameter of the second pillar is smaller than the upper surface of the base, the second pillar is cylindrical, the diameter of the second pillar is smaller than the diameter of the recess, and the second pillar and the recess are The edge is not in contact; the axis of the first leg, the axis of the
  • the socket mold is a sleeve body, a circular cylinder sleeve extending downward from the center of the lower surface of the sleeve body, extending downward from the center of the lower surface of the sleeve body and located at the sleeve body
  • the first positioning post, the second positioning post, the third positioning post, and the fourth positioning post are disposed symmetrically with respect to the sleeve body, and the sleeve body has a sleeve hole penetrating along the axis of the sleeve body
  • the diameter of the socket is equal to the inner diameter of the sleeve, and the axis of the socket coincides with the axis of the sleeve;
  • the diameter of the first positioning column is smaller than the diameter of the first positioning hole, and the diameter of the second positioning column is smaller than the second
  • the diameter of the positioning hole is smaller than the diameter of the third positioning hole, the diameter of the fourth positioning column is smaller than the diameter of the fourth
  • the positioning die is composed of a cylindrical positioning die body, and the positioning die body has a cylindrical first positioning die hole and a second bit die hole extending upward from the lower surface, the first positioning die hole and the second position
  • the die hole is next to each other, and the first positioning die hole and the second positioning die hole do not penetrate the upper surface of the positioning die body, and the axis of the first positioning die hole coincides with the axis of the positioning die body, and the first positioning die hole
  • the diameter is slightly larger than the diameter of the first pillar, the depth of the first positioning die hole is not less than the length of the first pillar, the diameter of the second positioning die hole is slightly larger than the diameter of the second pillar, and the depth of the second positioning die hole is not less than the second
  • the length of the pillar, the diameter of the positioning die body is smaller than the diameter of the socket hole, and the length of the positioning die body is not less than: the sum of the height of the socket die body and the height of the socket body; the first positioning die hole and the second positioning die hole
  • the pressing die is composed of a pressing connecting portion, a cylindrical pressing die body located under the pressing connecting portion and integrally connected with the pressing connecting portion, and the inside of the pressing die body has a cylindrical shape extending upward from the lower surface of the pressing die body. Pressing the hole, the axis of the pressing hole coincides with the axis of the pressing mold body, the pressing hole is through the upper and lower surfaces of the pressing mold body, the length of the pressing mold body is not less than the length of the positioning mold body, and the diameter of the pressing mold body is smaller than the sleeve The diameter of the hole, the diameter of the pressing hole is larger than the diameter of the positioning die body;
  • the manufacturing method includes the following steps in sequence:
  • the first step placing the first positioning post into the first positioning hole, the second positioning post is placed into the second positioning hole, the third positioning post is placed into the third positioning hole, and the fourth positioning post is placed into the fourth positioning hole
  • the hole and the socket are placed in the recessed hole, and the sleeve hole is sleeved outside the first pillar and the second pillar, and the relative position of the molding die and the socket die is fixed;
  • the second step injecting ceramic powder into the socket hole, reaching a proper position below the upper surface of the first pillar and maintaining a section of the crucible, and compacting the ceramic powder to form the bottom of the fiber connector body and the first fiber fixing hole And a second fiber fixing hole, so that the height of the bottom of the double-hole structure fiber connector body is a certain value of 2.0 mm ⁇ 0.5 mm;
  • the third step placing the positioning die into the socket hole, so that the first positioning die hole is sleeved outside the first pillar, and the second positioning die hole is sleeved outside the second pillar;
  • the fourth step re-injecting the ceramic powder into the socket hole to reach the position below the upper surface of the socket mold, causing the pressing mold to move downward, and the pressing hole is sleeved outside the positioning mold body, and pressing to connect the optical fiber
  • the length of the upper part of the head body is a certain value of 6mm ⁇ 23mm; and the fiber joint of the double-hole structure is formed for a period of time.
  • the fifth step the embryo body of the double-hole structure fiber connector is placed in a step furnace to complete the fabrication of the double-hole structure fiber connector;
  • the molding die is fixedly mounted on the base of the press, the socket die is set on the molding die, the positioning die is installed in the socket die, and the pressing die is set outside the positioning die.
  • the manufacturing method of the present invention has advantageous effects such as fewer steps, high manufacturing efficiency, less equipment investment, and high product yield.
  • the mold of the invention has the following main beneficial technical effects: the structure is simple and easy to manufacture, the manufactured double-hole structure optical fiber connector has uniform size, high yield of finished products, fast manufacturing speed and low cost; optical fiber connection formed by double-hole structure optical fiber connector The device is small in size and light in weight.
  • FIG. 1 is a schematic perspective view of a fiber optic connector manufactured by the present invention.
  • FIG. 2 is a schematic enlarged plan view of the cross section taken along line B-B of FIG. 1.
  • FIG. 3 is a schematic perspective view of the assembled and disassembled structure of the present invention.
  • FIG. 4 is a schematic perspective view of a three-dimensional pressing mold of the present invention.
  • FIG. 5 is a schematic perspective view of a positioning die of the present invention.
  • FIG. 6 is a perspective view of the three-dimensional structure of FIG. 5 taken along the plane of the axis.
  • FIG. 7 is a schematic perspective view of a socket mold of the present invention.
  • FIG. 8 is a schematic perspective view of a molding die of the present invention.
  • FIG. 9 is a schematic enlarged view of the cross section of FIG. 3 taken along the line A-A. [0032] FIG.
  • a mold for manufacturing a two-hole structure optical fiber connector which is characterized in that it is composed of a pressing die 1, a positioning die 2, a socket die 3, and a molding die 4; ⁇ , the molding die 4 is fixedly mounted on the base of the press, the socket die 3 is set on the molding die 4, and the positioning die 2 is mounted in the sleeve die 3, the pressing die 1 The suit is outside the positioning die 2;
  • the molding die 4 is composed of a base 41 having a cylindrical recess 43 in the center thereof.
  • the recess 43 does not penetrate the lower surface of the base 41.
  • the recess 43 has a bottom surface from the recess 43.
  • a first struts 44 and a second struts 45 extending upwardly from the center, the first struts 44 and the second struts 45 are next to each other, and the first locating holes 421 are disposed symmetrically with respect to the axis of the recessed holes 43 outside the recessed holes 43
  • the second positioning hole 422, the third positioning hole 423, the fourth positioning hole 424, and the first/second/third/fourth positioning holes are not penetrated through the lower surface of the base 41, and the upper surface of the first pillar 44 It is protruded from the upper surface of the base 41.
  • the first post 44 has a cylindrical shape, and the diameter of the first post 44 is smaller than the diameter of the recess 43; the upper surface of the second post 45 protrudes from the upper surface of the base 41.
  • the second strut 45 has a cylindrical shape, the diameter of the second strut 45 is smaller than the diameter of the recessed hole 43, and the second strut 45 is not in contact with the edge of the recessed hole 43; the axis of the first strut 44, the axis of the recessed hole 43
  • the axis of the base 41 is coincident; the second leg 45 and the first branch 44 are of equal length;
  • the sleeve die 3 is extended from the sleeve body 31 to the center of the lower surface of the lower surface of the sleeve body 31, and extends downward from the center of the lower surface of the sleeve body 31.
  • the first positioning post 33 1 , the second positioning post 332 , the third positioning post 333 , and the fourth positioning post 334 are disposed outside the socket body 32 and symmetrically distributed with respect to the socket body, and the socket mold body 31 has an internal portion.
  • a sleeve hole 321 extending through the axis of the sleeve body, the diameter of the sleeve hole is equal to the inner diameter of the sleeve body, and the axis of the sleeve hole coincides with the axis of the sleeve body; the diameter of the first positioning rod 331 is smaller than the first The diameter of the second positioning post 332 is smaller than the diameter of the second positioning hole 422, the diameter of the third positioning post 332 is smaller than the diameter of the third positioning hole 423, and the diameter of the fourth positioning post 334 is smaller than the fourth positioning hole.
  • the diameter of the 424 is smaller than the diameter of the recessed hole 43.
  • the diameter of the sleeve 321 is larger than the diameter of the first pillar 44.
  • the length of the first positioning pillar 331 is not greater than the depth of the first positioning hole 421,
  • the length of the two positioning posts 332 is not greater than the depth of the second positioning holes 422.
  • the length of the third positioning post 332 is not greater than the depth of the third positioning hole 423
  • the length of the fourth positioning post 334 is not greater than the depth of the fourth positioning hole 424
  • the length of the socket 32 is not less than the depth of the recess 43;
  • the diameter of the hole 321 is larger than: the sum of the diameter of the first strut 44 and the diameter of the second strut 45;
  • the positioning die 2 is composed of a cylindrical positioning die body 21 having a cylindrical first positioning die hole 211 and a second bit die hole 212 extending upward from the lower surface, the first positioning die
  • the hole 211 and the second die hole 212 are next to each other, and the first positioning die hole 211 and the second positioning die hole 212 are not penetrated through the upper surface of the positioning die body 21, and the axis and the positioning die of the first positioning die hole 211
  • the axis of the body 21 coincides, the first positioning mode
  • the diameter of the hole 211 is slightly larger than the diameter of the first pillar 44.
  • the depth of the first positioning die hole 211 is not less than the length of the first pillar 44.
  • the diameter of the second positioning die hole 212 is slightly larger than the diameter of the second pillar 45.
  • the depth of the die hole 212 is not less than the length of the second pillar 45.
  • the diameter of the positioning die body 21 is smaller than the diameter of the socket hole 321 , and the length of the positioning die body 21 is not less than: the height of the socket die body 31 and the height of the socket body 32 a sum of heights; the first positioning die hole 211 and the second die hole 212 have the same depth;
  • the press mold 1 is composed of a press joint portion 11, a cylindrical press mold body 12 located below the press joint portion 11 and integrally connected with the press joint portion 11, and the press mold body 12 has a self-press mold body 12 inside.
  • the cylindrical pressing hole 121 extending upwardly from the lower surface, the axis of the pressing hole 121 coincides with the axis of the pressing mold body 12, and the pressing hole 121 is penetrated through the upper and lower surfaces of the pressing mold body 12, and the length of the pressing mold body 12 is not less than the positioning.
  • the length of the die body 21, the diameter of the die body 12 is smaller than the diameter of the socket hole 321, and the diameter of the press hole 121 is larger than the diameter of the positioning die body 21.
  • the above-mentioned mold for manufacturing a two-hole structure optical fiber connector wherein the pressing mold, the positioning mold, the socket mold, and the molding die are all made of steel or iron or an alloy.
  • the principle of the present invention is as follows: manufacturing a two-hole structure fiber connector head, the molding die 4 is fixedly mounted on the base of the press, the socket die 3 is set on the molding die 4, and the positioning die 2 is mounted on the socket In the die 3, the pressing die 1 is placed outside the positioning die 2; the first positioning post 331 is first placed in the first positioning hole 421, the second positioning post 332 is placed in the second positioning hole 422, and the third positioning post 332 is placed in the first positioning hole 422.
  • the third positioning hole 334 is placed in the fourth positioning hole, and the socket body 32 is placed in the concave hole 43.
  • the socket hole 321 is sleeved outside the first pillar 44 and the second pillar 45, and the molding die 4 and the sleeve are obtained.
  • the relative position of the die 3 is fixed; then, the ceramic powder is injected into the socket 321 to reach a proper position below the upper surface of the first pillar 44 and held for a while, and the ceramic powder is compacted to form the bottom of the fiber connector body 5 and
  • the first fiber fixing hole 52 and the second fiber fixing hole 53; the positioning die 2 is placed in the socket hole 321, so that the first positioning die hole 211 is sleeved outside the first pillar 44, and the second positioning die hole 212 is sleeved.
  • the second pillar 45 is outside; then the ceramic powder is injected into the socket hole 321 again, and reaches the socket die 3
  • the position below the surface causes the pressing die 1 to move downward, and the pressing hole 121 is sleeved outside the positioning die body 21, pressed to a suitable position and held for a period of time to form an upper portion of the fiber connector body 5 and the cable cavity 51;
  • the manufacture of the fiber body of the fiber connector is completed, and the fiber joint is completed by sintering.
  • the pressing die 1 is taken out, the positioning die 2 is taken out, the socket die 3 is taken back, and the embryo body is taken out, that is, the manufacture of the fiber connector is completed, and the embryo body has a large hardness, so it is convenient.
  • the removal is not deformed; then the residue in the molding die 4 is cleaned.
  • the first pressing of the crucible can determine the height of the bottom of the fiber connector body 5; additional flat plates corresponding to the recessed holes 43, the first strut 44, and the second strut 45 are required for pressing.
  • the diameter of the flat plate is slightly smaller than the diameter of the recessed hole 43, the corresponding position of the flat plate has a hole slightly larger than the diameter of the first strut 44 and a hole slightly larger than the diameter of the second strut 45, and the flat plate can be sleeved on the first strut 44 and the second strut 45;
  • the second pressing ⁇ the appropriate position, that is, the height of the upper portion of the fiber connector body 5, is determined according to requirements.
  • the mold in the present invention can produce optical fiber connectors of different lengths and sizes.
  • the first to fourth positioning posts are not limited to four, and may be at least two. Of course, there may be other multiples; meanwhile, the first to fourth positioning holes are not limited to four. It can be at least two, of course, it can be other than one, as long as it can accommodate the positioning post.
  • the depth of the recessed hole 43 is 2.0 mm ⁇ 0.5 mm.
  • the length of the ferrule body 31 is 8 mm to 25 mm.
  • a method of manufacturing a two-hole structure optical fiber connector characterized in that the manufacturing method uses the above-described mold for manufacturing a two-hole structure optical fiber connector, and the manufacturing method includes the following steps in sequence :
  • the first step the first positioning post 331 is placed in the first positioning hole 421, the second positioning post 332 is placed in the second positioning hole 422, and the third positioning post 332 is placed in the third positioning hole, the fourth positioning post The 334 is placed in the fourth positioning hole, and the sleeve body 32 is inserted into the recessed hole 43.
  • the sleeve hole 321 is sleeved outside the first pillar 44 and the second pillar 45, and the relative position of the molding die 4 and the socket die 3 is fixed.
  • the second step injecting the ceramic powder into the socket 321 to reach a proper position below the upper surface of the first pillar 44 and maintaining a section of the crucible, and compacting the ceramic powder to form the bottom of the fiber connector body 5 and the first
  • the fiber fixing hole 52 and the second fiber fixing hole 53 are such that the height of the bottom of the double-hole structure fiber connector body is 2.0 mm ⁇ 0.5 mm, such as 2.0 mm;
  • the third step the positioning die 2 is placed in the socket hole 321 so that the first positioning die hole 211 is sleeved outside the first pillar 44, and the second positioning die hole 212 is sleeved outside the second pillar 45;
  • the fourth step re-injecting the ceramic powder into the socket hole 321 to reach the position below the upper surface of the socket mold 3,
  • the pressing die 1 is moved downward, and the pressing hole 121 is sleeved outside the positioning die body 21, and the length of the upper portion of the fiber connector head body is determined to be a certain value of 6 mm to 23 mm, such as 6 mm, etc.;
  • Step 5 The embryo body of the double-hole structure fiber connector is placed in a step furnace to complete the fabrication of the double-hole structure fiber connector;
  • the molding die is fixedly mounted on the base of the press, the socket die is set on the molding die, the positioning die is installed in the socket die, and the pressing die is set outside the positioning die.
  • the ceramic powder is nano-alumina or nano-silica or nano-silicon carbide ceramic or the ceramic powder is in parts by weight.
  • ceramic powder consisting of: silicon carbide: 60 ⁇ 70 parts, zirconia: 10 ⁇ 20 parts, silica: 15 ⁇ 25 parts, titanium dioxide: 4 ⁇ 6 parts, polyethylene wax: 1 ⁇ 2 Parts, ammonium polyacrylate: 1 ⁇ 3 parts, polyvinyl alcohol: 0.3 ⁇ 0.5 parts, cerium oxide: 0.1 ⁇ 0.3 parts, oleic acid: 2 ⁇ 4 parts, commercially available model 622 light stabilizer: 0.05 ⁇ 0.15 parts , commercially available model UV-327 UV absorber: 0.04 ⁇ 0.10 parts, commercially available model KT-023 or V78-P TDS anti-yellowing agent: 0.1 ⁇ 0.3 parts; or the ceramic by weight, Made of ceramic powder consisting of: silicon carbide: 60 parts, zirconia: 10 parts, silica: 15
  • the formulation of the above ceramic powder is sequentially referred to as: a wide range formula, a first formula, a second formula, a third formula, a fourth formula, and in the above order, the product serial number in the present invention made using the above materials represents They are respectively denoted as #1, #2, #3, #4, #5; the commercially available model W0.25 ceramic processed product is expressed as #6; each sample is taken 100 pieces, after testing, the following test results are obtained .
  • Test item 2000N continuous 5 minutes pressure
  • Test item 100 ° C, 100% humidity
  • Test item -80 ° C, continuous 240 hours test
  • #6 has 5 pieces that are not working properly
  • Test item Light intensity is 2000W/m 2 , continuous 240 hours test
  • the product made of the ceramic powder of the present invention has more excellent drop resistance, pressure resistance, complex environment resistance, and glare resistance.
  • the manufacturing method in the present invention has advantageous effects such as fewer steps, high manufacturing efficiency, less equipment investment, and high product yield.
  • the invention has the following main beneficial technical effects: the structure is simple and easy to manufacture, the manufactured double-hole structure optical fiber connector has uniform size, high yield of finished products, fast manufacturing speed and low cost; and the optical fiber formed by the double-hole structure optical fiber connector The connector is small and lightweight.

Abstract

Un moule pour la fabrication d'un connecteur de fibres optiques à double trou, comprenant une matrice de pressage (1), une matrice de positionnement (2), une matrice de gainage (3), et une matrice de formage (4). Le procédé de fabrication d'un connecteur de fibre optique à double trou à l'aide du moule comprend les étapes suivantes : la matrice de formation (4) est monté de manière fixe sur une base d'une machine de pressage, la matrice de gainage (3) est montée sur la matrice de formage (4), la matrice de positionnement (2) est montée dans la matrice de gainage (3), et la matrice de pressage (1) est ajustée sur la matrice de positionnement (2). Le procédé de fabrication présente les avantages suivants : un nombre réduit d'étapes, un rendement de fabrication élevé, un investissement en matériel réduit et un taux de qualification de produit élevé.
PCT/CN2017/085595 2016-06-18 2017-05-23 Moule pour la fabrication d'un connecteur de fibre optique à double trou et procédé de fabrication d'un connecteur de fibre optique à double trou WO2017215416A1 (fr)

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