CN102248635A - Die for forming optical fiber coupling connector and forming method - Google Patents
Die for forming optical fiber coupling connector and forming method Download PDFInfo
- Publication number
- CN102248635A CN102248635A CN2010101757241A CN201010175724A CN102248635A CN 102248635 A CN102248635 A CN 102248635A CN 2010101757241 A CN2010101757241 A CN 2010101757241A CN 201010175724 A CN201010175724 A CN 201010175724A CN 102248635 A CN102248635 A CN 102248635A
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- China
- Prior art keywords
- optical fiber
- blind hole
- hole
- fiber coupled
- coupled connector
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Abstract
The invention discloses a die for forming an optical fiber coupling connector, which comprises a die cavity insert, a male die and a female die, wherein the die cavity insert comprises a tail part and a blind hole forming part; male die is used for accommodating and fixing the tail part of the die cavity insert; and the female die comprises a forming cavity having a lens forming part and a supporting hole which is formed on the side wall of the female die and corresponds to the forming part of the lens, a positioning block is matched in the supporting hole and is used for holding and positioning the blind hole forming part to align the center of the blind hole forming part and the center of the lens forming part. Compared with the prior art, the die adopts the positioning block to hold and position the die cavity insert, so the collimation of the blind hole is greatly increased. The invention also relates to a method for forming the optical fiber coupling connector.
Description
Technical field
The present invention relates to a kind of mould and forming method that is used for moulding optical fiber coupled connector.
Background technology
Generally all be provided with blind hole and lens on the optical fiber coupled connector, this blind hole is used for up-winding fiber, and these lens are positioned at the bottom and the coupling of this fiber optics of this blind hole, and the degree of coupling of blind hole and these lens is directly determining the efficiency of transmission of this optical fiber coupled connector.
Ejection formation is to make the mode that the optical fiber coupled connector is used always at present, and the employed mould of ejection formation all includes usually and is used for the die of moulding blind hole and goes into son, and go into the forming cavity that son matches with lens forming part with die, this die is gone into son and is matched with moulding optical fiber coupled connector with this forming cavity.
Yet to a certain degree deflection all can take place with respect to the axis of lens in the axis of the blind hole by the optical fiber coupled connector that above-mentioned mould formed out, thereby can have influence on the coupling precision of blind hole and lens.And the blind hole that causes the optical fiber coupled connector roughly has two aspects with respect to the reason of lens generation deflection: be in injection molding process on the one hand, the temperature difference can make mould produce unfavorable factors such as thermal expansion, these unfavorable factors will have influence on the quality of fit of mould, thereby make the axis of the die axis of going into son and the lens forming part that is used for molded lens that relative displacement take place and the axis generation relative displacement of the blind hole that causes the optical fiber coupled connector after the moulding and lens and produce off normal; Be exactly on the other hand in forming process, fluid foods can be gone into son to die and be impacted, and under the impact of material, die is gone into son and probably can be taken place crookedly, can cause the blind hole of the optical fiber coupled connector after the moulding to take place crooked thus and produces the drift angle.
Summary of the invention
In view of this, provide a kind of mould that is used for moulding optical fiber coupled connector that can effectively address the above problem and forming method real for necessary.
A kind of mould that is used for moulding optical fiber coupled connector, wherein this optical fiber coupled connector comprise the blind hole that is used for up-winding fiber and with the lens of this blind hole optical coupled, this mould that is used for moulding optical fiber coupled connector comprises: die is gone into son, it comprises afterbody and blind hole forming part, and wherein this blind hole forming part is used for this blind hole of moulding; Male model, it has a host cavity and is contained in fixed block in this host cavity, and this fixed block offers the afterbody that accepting hole is used for this die is gone into son and accommodates fixing; And master mold, it has a forming cavity and is opened on this master mold sidewall and the breasting hole that is connected with this forming cavity, this forming cavity has a lens forming part that is used for these lens of moulding, this breasting hole is corresponding with this lens forming part, and in this breasting hole, also be combined with locating piece, this locating piece has the locating hole that aligns with this lens forming part, and this locating hole is used for when injection moulding this blind hole forming part being carried out the clamping location so that this blind hole forming part and the mutual centrally aligned of this lens forming part.
A kind of forming method of optical fiber coupled connector, it comprises the steps: to provide as mentioned above a mould; Use this mould molding one optical fiber coupled connector preform, this optical fiber coupled connector preform has the blind hole and the lens of the up-winding fiber of being used for; Test the blind hole of this optical fiber coupled connector preform and the coupling precision of lens and whether meet pre-provisioning request, and measure in the optical fiber coupled connector preform do not meet pre-provisioning request blind hole with respect to the off normal amount and the drift angle amount of lens; Off normal amount according to blind hole in this measured optical fiber coupled connector preform, on a new fixed block along with this optical fiber coupled connector preform in the side of blind hole generation off normal get out an accepting hole with pre-off normal in the opposite direction, and replace previous fixed block with this fixed block with pre-off normal accepting hole, simultaneously, adjust the thickness of this pad according to the drift angle amount of blind hole in this measured optical fiber coupled connector preform, make the locating piece that is matched with in this breasting hole along with this optical fiber coupled connector preform in blind hole side that the drift angle takes place slide in the opposite direction, make the blind hole forming part that is clamped in this locating piece have a rightabout pre-drift angle with this; Use this to carry out injection moulding through the revised mould of overcompensation.
Compared with prior art, the mould that is used for moulding optical fiber coupled connector that the embodiment of the invention provided is provided with a structure that matches with locating piece with the corresponding breasting of lens forming part hole, the blind hole forming part of the die of moulding blind hole going into son by this locating piece adds and holds the location, alleviate in process of injection molding fluid foods is gone into son to die the crooked situation that impact was caused with this, improved the collimation of the optical fiber coupled connector finished product blind hole that forms out greatly, the manufacture method of while this moulding optical fiber coupled connector provided by the present invention, on the basis that relies on this mould provided by the present invention, at first determine off normal amount and drift angle amount with respect to the deflection of lens by blind hole in the optical fiber coupled connector preform of testing moulding first, and according to this side-play amount and drift angle amount respectively to fixing die go into the fixed block of sub-tail end and fixedly the die locating piece of going into sub-blind hole forming part adjust, make it to have in the opposite direction respectively pre-off normal and pre-drift angle, compensate in this way in process of injection molding by of the influence of various unfavorable factors blind hole collimation and normotopia degree, utilize then through the revised mould of overcompensation and carry out injection moulding optical fiber coupled connector, thereby improved the coupling precision of optical fiber coupled connector finished product blind hole and lens greatly.
Description of drawings
Fig. 1 is the perspective exploded view of the mould that provides of the embodiment of the invention.
Fig. 2 is the schematic diagram behind the die assembly that provides of the embodiment of the invention.
Fig. 3 is a mould shown in Figure 2 cutaway view along the III-III line.
Fig. 4 is a mould shown in Figure 2 cutaway view along the IV-IV line.
The main element symbol description
Fixed block 12
Accepting hole 13
Forming cavity 21
Optics portion forming surface 22
Locating piece 232
Locating hole 2321
Die is gone into son 30
Afterbody 31
Blind hole forming part 32
Cast gate 40
The specific embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail.
Please in the lump referring to Fig. 1 to Fig. 4, the mould 100 that the embodiment of the invention provided, it is used for moulding optical fiber coupled connector (figure does not show), the optical fiber coupled connector comprise the blind hole that is used for up-winding fiber and with the lens of this blind hole optical coupled.
This mould 100 comprises that male model 10, master mold 20 and die go into son 30, and wherein this die is gone into son and 30 had afterbody 31 and blind hole forming part 32, and this blind hole forming part 32 is used for the blind hole of this optical fiber coupled connector of moulding.
This male model 10 has a host cavity 11 and fixed block 12, and this host cavity 11 is used to accommodate this fixed block 12.Offer accepting hole 13 on this fixed block 12, this accepting hole 13 is used to accommodate to be fixed this die and goes into son 30 afterbody 31.
In the present embodiment, this accepting hole 13 of offering in this fixed block 12 is through hole, understandable, this accepting hole 13 also can be blind hole or other structure, plays the fixing effect of accommodating as long as make this accepting hole 13 to go into son 30 afterbody 31 to this die behind these mould 100 matched moulds.
This master mold 20 has a forming cavity 21, and this forming cavity 21 is gone into son 30 with this die and matched with this optical fiber coupled connector of moulding.This forming cavity 21 has an optics portion forming surface 22, and this optics portion forming surface 22 is provided with lens forming part 221, and this lens forming part 221 is used for the lens of this optical fiber coupled connector of moulding.
Also offer on this master mold 20 and this lens forming part 221 corresponding breasting holes 231, this breasting hole 231 is opened on the sidewall of this master mold 20 and with this forming cavity 21 and is connected.In this breasting hole 231, also be provided with the locating piece 232 that matches with this breasting hole 231, offer the locating hole 2321 that aligns with this lens forming part 221 on this locating piece 232, after 232 groups of this locating pieces are gone into this breasting hole 231, the center of this locating hole 2321 is aimed at mutually with the center of this lens forming part 221, and this locating hole 2321 is used for carrying out the clamping location in the blind hole forming part 32 that process of injection molding is gone into son 30 to this die.
Preferably, also be provided with pad 233 in this breasting hole 231, the both sides that these pad 233 pads are located at this locating piece 232 are used to adjust the position of locating piece 232 in this breasting hole 231 and this locating piece are clamped in this breasting hole 231.
Further, this mould 100 also comprises by a cast gate 40, in the present embodiment, this cast gate 40 is arranged on the same sidewall of mould 100 with this breasting hole 231, understandable, this cast gate 40 can also be arranged on other place of this mould 100, as long as fluid foods can pass through this cast gate 40 filling molding in the forming cavity 21 of this master mold.
The present invention also provides a kind of forming method of optical fiber coupled connector, and this forming method comprises the steps.
(1) provide as mentioned above a mould 100, use this mould 100 injection mouldings one optical fiber coupled connector preform (figure does not show), this optical fiber coupled connector preform comprise blind hole and with the lens of this blind hole coupling.
(2) test whether the coupling precision of blind hole and lens meets pre-provisioning request in this optical fiber coupled connector preform, and measure in the optical fiber coupled connector preform that does not meet pre-provisioning request its blind hole with respect to the off normal and the drift angle of lens.
In the present embodiment, the employing non-contact type measuring method comes the off normal and the drift angle of the blind hole of this optical fiber coupled connector preform are measured, understandable, as long as can all be applicable to the present invention to the off normal of the blind hole of optical fiber coupled connector and the method that the drift angle is measured.
(3) according to measurement result mould 100 is compensated and corrected.
Compensation for the blind hole off normal is revised, according to measured blind hole off normal amount, in a new fixed block, get out die and go into sub-accepting hole, the die that newly gets out go into sub-accepting hole with the side of this optical fiber coupled connector preform generation off normal reserve in the opposite direction one with the suitable pre-off normal amount of blind hole off normal amount that records, compensate when the ejection formation blind hole of going into the optical fiber coupled connector after the generation relative displacement causes moulding between sub-axis and the lens forming part axis owing to dies that factor was caused such as the temperature difference off normal amount with this with respect to the lens generation.
Compensation for the blind hole drift angle is revised, according to measured blind hole drift angle amount, the thickness of adjusting this locating piece both sides pad makes locating piece move in the opposite direction along the side with this optical fiber coupled connector preform generation drift angle, thereby make die go into son locating piece drive to produce have one with the suitable pre-drift angle of amount, blind hole drift angle that records, compensate in process of injection molding because the impact of fluid foods makes die go into the drift angle amount that son is taken place with this.
(4) use revised mold injects moulding optical fiber coupled connector.
Be understandable that those skilled in the art also can do other variation etc. and be used for design of the present invention in spirit of the present invention, as long as it does not depart from technique effect of the present invention and all can.The variation that these are done according to spirit of the present invention all should be included within the present invention's scope required for protection.
Claims (5)
1. mould that is used for moulding optical fiber coupled connector, wherein this optical fiber coupled connector comprise the blind hole that is used for up-winding fiber and with the lens of this blind hole optical coupled, this mould that is used for moulding optical fiber coupled connector comprises:
Die is gone into son, and it comprises afterbody and blind hole forming part, and wherein this blind hole forming part is used for this blind hole of moulding;
Male model, it has a host cavity and is contained in fixed block in this host cavity, and this fixed block offers the afterbody that accepting hole is used for this die is gone into son and accommodates fixing; And
Master mold, it has a forming cavity and is opened on this master mold sidewall and the breasting hole that is connected with this forming cavity, this forming cavity has a lens forming part that is used for these lens of moulding, this breasting hole is corresponding with this lens forming part, and in this breasting hole, also be combined with locating piece, this locating piece has the locating hole that aligns with this lens forming part, and this locating hole is used for when injection moulding this blind hole forming part being carried out the clamping location so that this blind hole forming part and the mutual centrally aligned of this lens forming part.
2. the mould that is used for moulding optical fiber coupled connector as claimed in claim 1, it is characterized in that: further be combined with pad in this breasting hole, this pad is located between this breasting hole and the locating piece, and this pad is used to adjust the position of this locating piece in this breasting hole and comes with this position that is clamped in the blind hole forming part on this locating piece is adjusted.
3. the mould that is used for moulding optical fiber coupled connector as claimed in claim 2 is characterized in that: this accepting hole is a blind hole.
4. the mould that is used for moulding optical fiber coupled connector as claimed in claim 2 is characterized in that: this accepting hole is a through hole.
5. the forming method of an optical fiber coupled connector, it comprises the steps:
Provide just like each described mould that is used for moulding optical fiber coupled connector of claim 2 to 4;
Use this mould molding one optical fiber coupled connector preform, this optical fiber coupled connector preform has the blind hole and the lens of the up-winding fiber of being used for;
Test the blind hole of this optical fiber coupled connector preform and the coupling precision of lens and whether meet pre-provisioning request, and measure in the optical fiber coupled connector preform do not meet pre-provisioning request blind hole with respect to the off normal amount and the drift angle amount of lens;
Off normal amount according to blind hole in this measured optical fiber coupled connector preform, on a new fixed block along with this optical fiber coupled connector preform in the side of blind hole generation off normal get out an accepting hole with pre-off normal in the opposite direction, and replace previous fixed block with this fixed block with pre-off normal accepting hole, simultaneously, adjust the thickness of this pad according to the drift angle amount of blind hole in this measured optical fiber coupled connector preform, make the locating piece that is matched with in this breasting hole along with this optical fiber coupled connector preform in blind hole side that the drift angle takes place slide in the opposite direction, make the blind hole forming part that is clamped in this locating piece have a rightabout pre-drift angle with this;
Use this to carry out injection moulding through the revised mould of overcompensation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101757241A CN102248635A (en) | 2010-05-18 | 2010-05-18 | Die for forming optical fiber coupling connector and forming method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101757241A CN102248635A (en) | 2010-05-18 | 2010-05-18 | Die for forming optical fiber coupling connector and forming method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102248635A true CN102248635A (en) | 2011-11-23 |
Family
ID=44976379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101757241A Pending CN102248635A (en) | 2010-05-18 | 2010-05-18 | Die for forming optical fiber coupling connector and forming method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102248635A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102248637A (en) * | 2010-05-20 | 2011-11-23 | 鸿富锦精密工业（深圳）有限公司 | Die for molding fiber coupling connector |
| CN103895170A (en) * | 2012-12-28 | 2014-07-02 | 鸿富锦精密工业（深圳）有限公司 | Optical coupling lens mold insert |
| CN104108146A (en) * | 2013-04-19 | 2014-10-22 | 鸿富锦精密工业（深圳）有限公司 | Forming mold for lens assembly |
| WO2015100625A1 (en) * | 2013-12-31 | 2015-07-09 | 华为技术有限公司 | Collimator array and collimator array assembly method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1596184A (en) * | 2001-11-29 | 2005-03-16 | 住友电气工业株式会社 | Method and metal mold for manufacturing optical connector ferrule, optical connector ferrule manufactured by using the method, and optical connector and optical wiring system using the ferrule |
| CN101491927A (en) * | 2008-01-24 | 2009-07-29 | 鸿富锦精密工业（深圳）有限公司 | Die and use method thereof |
-
2010
- 2010-05-18 CN CN2010101757241A patent/CN102248635A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1596184A (en) * | 2001-11-29 | 2005-03-16 | 住友电气工业株式会社 | Method and metal mold for manufacturing optical connector ferrule, optical connector ferrule manufactured by using the method, and optical connector and optical wiring system using the ferrule |
| CN101491927A (en) * | 2008-01-24 | 2009-07-29 | 鸿富锦精密工业（深圳）有限公司 | Die and use method thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102248637A (en) * | 2010-05-20 | 2011-11-23 | 鸿富锦精密工业（深圳）有限公司 | Die for molding fiber coupling connector |
| CN102248637B (en) * | 2010-05-20 | 2014-03-26 | 鸿富锦精密工业（深圳）有限公司 | Die for molding fiber coupling connector |
| CN103895170A (en) * | 2012-12-28 | 2014-07-02 | 鸿富锦精密工业（深圳）有限公司 | Optical coupling lens mold insert |
| CN103895170B (en) * | 2012-12-28 | 2017-12-12 | 赛恩倍吉科技顾问（深圳）有限公司 | Optical coupling lens die |
| CN104108146A (en) * | 2013-04-19 | 2014-10-22 | 鸿富锦精密工业（深圳）有限公司 | Forming mold for lens assembly |
| WO2015100625A1 (en) * | 2013-12-31 | 2015-07-09 | 华为技术有限公司 | Collimator array and collimator array assembly method |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20111123 |