CN102205553B - Micro ceramic ferrule forming die - Google Patents
Micro ceramic ferrule forming die Download PDFInfo
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- CN102205553B CN102205553B CN2010101367170A CN201010136717A CN102205553B CN 102205553 B CN102205553 B CN 102205553B CN 2010101367170 A CN2010101367170 A CN 2010101367170A CN 201010136717 A CN201010136717 A CN 201010136717A CN 102205553 B CN102205553 B CN 102205553B
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Abstract
The invention relates to a micro ceramic ferrule forming die. The micro ceramic ferrule forming die comprises a left template, a right template, a material inlet, die core fixing plates and a discharging device; an upper die core is arranged in the middle of the surface of a first die core fixing plate; a lower die core is arranged in the middle of the surface of a second die core fixing plate; forming core needles with the same number as that of cavities are arranged in the lower die core; and the tail parts of the core needles are fixed into the second die core fixing plate, and the tip parts of the core needles extend from the central position of a male die ring and keep entering the cavity of the upper die core till a core needle protection sleeve with the shape precisely matched with that of the core needles. The micro ceramic ferrule forming die has an ingenious structure, can continuously produce micro ceramic ferrules which have high precision and quality in batches and are suitable for subsequent fine machining; furthermore, the die core is universal, so the die cost and the running cost are saved; and localization of ceramic ferrule production is realized.
Description
(1) technical field: the present invention relates to a kind of optical communication parts mfg. moulding die, specifically is miniature ceramic contact pin mould.
(2) prior art: ZrO
2Ceramic cylinder shape contact pin is the basic part that in optical communication system, plays the connection effect (also being its core component simultaneously), and domestic still do not have its blank mould manufacturing technology, can only dependence on import Japan blank, be processed into product more at home.Along with the microminiaturized requirement of international optic communication industry ceramic contact pin, the ceramic contact pin demand is increasing.But import blank cost is high, has seriously restricted the development of industry.Therefore, research and development ceramic pin blank mould is broken blank and is depended merely on this situation of import, reduces the production cost of domestic ceramic contact pin industry greatly, and it is extremely urgent that the core that has improved enterprise is striven power unexpectedly.
(3) summary of the invention: the object of the invention just provides a kind of delicate structure, can continuously produce the precision height in batches, and quality is good, is fit to follow-up accurately machined miniature ceramic contact pin mould.
Miniature ceramic contact pin mould of the present invention comprises left template, right template, and right template is provided with charging aperture; Also comprise core rod fixed head and device for discharging; Big guide pillar is housed between the said left-right template, three core rod fixed heads and two blocks of connection side plates are housed on big guide pillar successively, wherein the first core rod fixed head is fixedly connected on the right template; In aggregates with right template; Second, third core rod fixed head, connect between side plate and the left template in aggregatesly and can move completion die sinking or matched moulds along big guide pillar, said device for discharging comprises long push rod and the some discharging push rods that passes second, third core rod fixed head respectively, it is characterized in that: on the said first core rod fixed head, upper mold core is housed; Said upper mold core comprises eight die cavities of forming annular; Die cavity comprises ante-chamber, back cavity and preceding accent three parts, and ante-chamber is the cylindrical hole identical with the pin blank shape, and back cavity is equipped with core pin protective sleeve; Preceding accent somewhat larger in diameter is groove-like; Adhesive pouring nozzle with feeding inlet is arranged in the middle part of upper mold core; Before each between accent, the shallow slot of all giving vent to anger between preceding accent and the adhesive pouring nozzle links to each other; On the said second core rod fixed head, lower mold core is housed, also is processed with on the lower mold core and upper mold core accent position eight punch circles of forming annular one to one, the lower mold core middle part has the dumping pit that supplies aforementioned long push rod to get into, and is splitter box around the dumping pit; Described punch circle middle part is high slightly to have the core pin hole on it; Be groove all around; Between the groove of each punch circle, between punch circle and the aforementioned splitter box runner that communicates is arranged all; The one-tenth core pin that equates with said die cavity quantity also is housed in the lower mold core, and this core Aculeata is fixed in the second core rod fixed head, the tip stretch out by the core pin hole on the said punch circle and enter into always upper mold core die cavity so that with the core pin protective sleeve of core aciculiform shape precision-fit; Said lower mold core can be ejected from the second core rod fixed head by device for discharging.
The cylindrical hole inner diameter d of said die cavity ante-chamber is ￠ 2.16-2.168mm, and preceding accent internal diameter k is ￠ 6.95-7.05mm, and die cavity pin head chamfer angle beta is 32 °.
Said one-tenth core pin diameter s is ￠ 0.151-0.153mm, and needle point guide angle a is 60 °.
Be loaded on when the present invention uses on the injection (mo(u)lding) machine, its course of work is following:
1. moulding
The left-right template of mould is respectively by being bolted on the injection (mo(u)lding) machine.Behind the matched moulds; Under molding parameters such as specified temp, pressure; Moulding material is gone in the charging aperture on the right template by the make-up machine spray, and moulding material gets into the core rod in gum-injecting port again, is pressed into the moulding skeleton of given shape at the upper and lower mould in-core; Treat mould after cooling under the cooling device effect, forming process is accomplished.
2. die sinking
After moulding was accomplished, under the effect of make-up machine horn, second, third core rod fixed head, connection side plate separated (see figure 3) with left template and first core rod fixed head and right template; The moulding skeleton is taken out of from upper mold core by the core pin; Act on the device for discharging in the mould by the make-up machine push rod then, (comprising ejector sleeve, the first correcting plate, the second correcting plate, the 3rd correcting plate, the 4th correcting plate, long push rod, 24 push rods, back-moving spring etc.), wherein the push rod by make-up machine acted on ejector sleeve; The first correcting plate, the second correcting plate, the 3rd correcting plate, the 4th correcting plate move right together; Drive push rod, long push rod and lower mold core and move right, the moulding skeleton ejects under 24 push rod effects, realizes breaking away from becoming the core pin; Open the make-up machine safety door; Take off moulding skeleton (, then taking off the moulding skeleton), take off ceramic pin blank from skeleton again and carry out subsequent fine processing by robot arm if make-up machine contains the automatic material taking arm.
3. matched moulds
After the moulding skeleton takes off; Push rod, long push rod and lower mold core reset under the effect of back-moving spring earlier; Second, third core rod fixed head, connection side plate and left template are accomplished the mould matched moulds with first core rod fixed head and right template under the effect of make-up machine horn then, and make-up machine carries out injection moulding next time.
Said process approximately needs 1 minute.
Folding mould of the present invention can be produced 8 ceramic pin blanks, can also this structure be that improve on the basis, once produces the blank of varying number.
The present invention also has following characteristics:
(1) core rod can be general, the core pin protective sleeve that only needs to change different size according to the production needs with become the core pin to get final product, saved die cost and operating cost;
(2) common import blank diameter is φ 1.8mm, and the blank diameter that mould of the present invention is made is φ 1.6mm, single only saves material approximately 8.3%, has saved resource;
(3) the blank body of Mould Machining of the present invention, the blanking inner hole diameter range is behind degreasing, sintering: Φ 0.1260-Φ 0.1280mm, and import blanking inner hole diameter range is: Φ 0.126-00.130mm, precision is higher, more can satisfy customer requirement;
(4) concentricity of this mold core pin can be controlled in the 1 μ m;
(5) the one-tenth core pin of this mould, protective sleeve and mold insert structure quality of fit are high, and semifinished product precision reaches behind the sintering: 1, the concentricity of blank be controlled at interior 2, outside dimension tolerance at 0.03mm ± the 0.02mm scope in 3, the endoporus linearity controls in the 0.015mm;
(4) description of drawings
Fig. 1 is a contour structures sketch map of the present invention;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is a contour structures sketch map after the die sinking of the present invention;
Fig. 4 be among Fig. 3 A to structural representation;
Fig. 5 be among Fig. 3 B to structural representation;
Fig. 6 be among Fig. 3 C-C to the sectional structure sketch map;
Fig. 7 be among Fig. 3 D-D to the sectional structure sketch map;
Fig. 8 is a die cavity internal structure sketch map in the upper mold core of the present invention;
Fig. 9 becomes core needle construction sketch map among the present invention;
Figure 10 is a central core needle protective sleeve structural representation of the present invention;
Figure 11 is the structural representation that becomes among the present invention after core pin, die cavity and core pin protective sleeve cooperate;
Figure 12 is a moulding skeleton master apparent direction structural representation of the present invention;
Figure 13 is a moulding skeleton side-looking direction structure sketch map of the present invention;
Among the figure, 1-left side template, the right template of 2-, 3-charging aperture, the big guide pillar of 4-, the 5-first core rod fixed head, the 6-second core rod fixed head; 7-the 3rd core rod fixed head, 8-connects side plate, the long push rod of 9-, 10-discharging push rod, 11-upper mold core, 12-die cavity, 12a-ante-chamber; 12b-back cavity, accent before the 12c-, 13-core pin protective sleeve, 14-adhesive pouring nozzle, the 15-shallow slot of giving vent to anger, 16-lower mold core, 17-punch circle; The 18-dumping pit, the 19-splitter box, the 20-pin holes, the 21-groove, the 22-runner, 23-becomes core pin, 24-correcting plate; The little guide pillar of 25-, the 26-spring, the 27-spring stack, 28-molded blank skeleton, the 29-ceramic pin blank, 30-ejects a little.
The (5) specific embodiment:
Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 7, the present invention includes left template 1, right template 2, right template is provided with charging aperture 3; Also comprise core rod fixed head and device for discharging; Big guide pillar 4 is housed between the said left-right template, on big guide pillar, is coated with three core rod fixed heads and two blocks of connection side plates successively, wherein the first core rod fixed head 5 is fixedly connected on the right template; In aggregates with right template; Second, third core rod fixed head 6,7 connects between side plate 8 and the left template in aggregatesly and can move completion die sinking or matched moulds along big guide pillar, and said device for discharging comprises long push rod 9 and the some discharging push rods 10 that passes second, third core rod fixed head respectively.Shown in Fig. 4, Fig. 6, Fig. 8; At the described first core rod fixed head plate face middle part upper mold core 11 is housed; Said upper mold core comprises eight die cavities 12 that surround annular; Die cavity comprises ante-chamber 12a, back cavity 12b and preceding accent 12c three parts, and ante-chamber is the cylindrical hole identical with the pin blank shape, and back cavity is equipped with core pin protective sleeve 13; Preceding accent 12c somewhat larger in diameter is groove-like; The cylindrical hole inner diameter d of said die cavity ante-chamber is ￠ 2.16-2.168mm, and preceding accent internal diameter k is ￠ 6.95-7.05mm.See Fig. 8, be easy-unloading, die cavity pin head chamfer angle 3 is 32 °.In the middle part of upper mold core, have adhesive pouring nozzle 14 with feeding inlet; Before each between accent, all be processed with the shallow slot 15 of giving vent to anger that links to each other between accent and the adhesive pouring nozzle.As shown in Figure 5, at the said second core rod fixed head plate face middle part lower mold core 16 is housed, the lower mold core surface also is processed with and upper mold core accent position eight punch circles 17 of forming annular one to one; Said lower mold core middle part has the dumping pit 18 that supplies aforementioned long push rod to get into, and is splitter box 19 around the dumping pit; High slightly and have pin holes 20 in the middle of the described punch circle, be groove 21 all around, between the groove of each punch circle, the punch circle with aforementioned splitter box between the runner 22 that communicates is all arranged.Shown in Fig. 7, Fig. 9, Figure 11; The one-tenth core pin 23 that equates with said die cavity quantity also is housed in the lower mold core; This core Aculeata is fixed in the second core rod fixed head, 6 plates, the tip stretch out by aforementioned punch circle middle part pin holes 20 and enter into always upper mold core die cavity so that with the core pin protective sleeve 13 of core aciculiform shape precision-fit.Said one-tenth core pin diameter s is ￠ 0.151-0.153mm, and needle point guide angle a is 60 °.Said lower mold core can be ejected from the second core rod fixed head by device for discharging.
Referring to Fig. 7; In the present embodiment; Used device for discharging is included in four blocks of correcting plates 24 vertical with side plate that are provided with between the biside plate 8; Little guide pillar 25 is housed on the correcting plate, is coated with spring 26 and spring stack 27 between the correcting plate and between correcting plate and the 3rd core rod fixed head, and can moves along described little guide pillar; At left template middle part the long push rod 9 that runs through correcting plate and second, third core rod fixed head is housed, this long push rod is promoted by the horn on the make-up machine; In correcting plate and second, third core rod fixed head, also be coated with 24 discharging push rods 10.24 discharging push rods withstand corresponding 24 of molded blank skeleton and eject a little 30, can molded blank skeleton 28 be separated from the second core rod fixed head, take off ceramic pin blank 29 from skeleton again and carry out subsequent fine processing, promptly get ceramic contact pin.Frame configuration such as Figure 12, shown in Figure 13.
Generally all connect fixing between each parts among the present invention with screw, pin.
Claims (3)
1. miniature ceramic contact pin mould comprises left template, right template, and right template is provided with charging aperture; Also comprise core rod fixed head and device for discharging; Big guide pillar is housed between the said left-right template, three core rod fixed heads and two blocks of connection side plates are housed on big guide pillar successively, wherein the first core rod fixed head is fixedly connected on the right template; In aggregates with right template; Second, third core rod fixed head, connect between side plate and the left template in aggregatesly and can move completion die sinking or matched moulds along big guide pillar, said device for discharging comprises long push rod and the some discharging push rods that passes second, third core rod fixed head respectively, it is characterized in that: on the said first core rod fixed head, upper mold core is housed; Said upper mold core comprises eight die cavities of forming annular; Each die cavity comprises ante-chamber, back cavity and preceding accent three parts, and ante-chamber is the cylindrical hole identical with the pin blank shape, and back cavity is equipped with core pin protective sleeve; Preceding accent somewhat larger in diameter is groove-like; Adhesive pouring nozzle with feeding inlet is arranged in the middle part of upper mold core; Before each between accent, the shallow slot of all giving vent to anger between preceding accent and the adhesive pouring nozzle links to each other; On the said second core rod fixed head, lower mold core is housed, also is processed with on the lower mold core and upper mold core accent position eight punch circles of forming annular one to one, the lower mold core middle part has the dumping pit that supplies aforementioned long push rod to get into, and is splitter box around the dumping pit; Described punch circle middle part is high slightly to have the core pin hole on it; Be groove all around; Between the groove of each punch circle, between punch circle and the aforementioned splitter box runner that communicates is arranged all; The one-tenth core pin that equates with said die cavity quantity also is housed in the lower mold core, and this core Aculeata is fixed in the second core rod fixed head, the tip stretch out by the core pin hole on the said punch circle and enter into always upper mold core die cavity so that with the core pin protective sleeve of core aciculiform shape precision-fit; Said lower mold core can be ejected from the second core rod fixed head by device for discharging.
2. miniature ceramic contact pin mould according to claim 1 is characterized in that: the cylindrical hole inner diameter d of said die cavity ante-chamber is ￠ 2.16-2.168mm, and preceding accent internal diameter k is ￠ 6.95-7.05mm, and die cavity pin head chamfer angle beta is 32 °.
3. miniature ceramic contact pin mould according to claim 1 is characterized in that: said one-tenth core pin diameter s is ￠ 0.151-0.153mm, and needle point guide angle a is 60 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101367170A CN102205553B (en) | 2010-03-30 | 2010-03-30 | Micro ceramic ferrule forming die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101367170A CN102205553B (en) | 2010-03-30 | 2010-03-30 | Micro ceramic ferrule forming die |
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| Publication Number | Publication Date |
|---|---|
| CN102205553A CN102205553A (en) | 2011-10-05 |
| CN102205553B true CN102205553B (en) | 2012-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101367170A Active CN102205553B (en) | 2010-03-30 | 2010-03-30 | Micro ceramic ferrule forming die |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110450266B (en) * | 2019-08-15 | 2020-09-15 | 广东泰妮科技有限公司 | Epoxy resin high-pressure ceramic die |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1451982A (en) * | 2002-04-19 | 2003-10-29 | 富士康(昆山)电脑接插件有限公司 | Multi-optical fibre contact pin |
| JP2004025753A (en) * | 2002-06-27 | 2004-01-29 | Kyocera Corp | Ceramic molding die |
| CN1477416A (en) * | 2003-07-18 | 2004-02-25 | 清华大学 | Forming method of zirconium oxide ceramic insertion needle for fibre-optic connector and its equipment |
| JP2007030436A (en) * | 2005-07-29 | 2007-02-08 | Furukawa Electric Co Ltd:The | Mold for manufacturing optical fiber ferrule and optical fiber ferrule manufactured by the same |
| CN201619181U (en) * | 2010-03-30 | 2010-11-03 | 黄石晨信光电有限责任公司 | Mini-type ceramics contact pin forming die |
-
2010
- 2010-03-30 CN CN2010101367170A patent/CN102205553B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1451982A (en) * | 2002-04-19 | 2003-10-29 | 富士康(昆山)电脑接插件有限公司 | Multi-optical fibre contact pin |
| JP2004025753A (en) * | 2002-06-27 | 2004-01-29 | Kyocera Corp | Ceramic molding die |
| CN1477416A (en) * | 2003-07-18 | 2004-02-25 | 清华大学 | Forming method of zirconium oxide ceramic insertion needle for fibre-optic connector and its equipment |
| JP2007030436A (en) * | 2005-07-29 | 2007-02-08 | Furukawa Electric Co Ltd:The | Mold for manufacturing optical fiber ferrule and optical fiber ferrule manufactured by the same |
| CN201619181U (en) * | 2010-03-30 | 2010-11-03 | 黄石晨信光电有限责任公司 | Mini-type ceramics contact pin forming die |
Non-Patent Citations (1)
| Title |
|---|
| 马天、黄勇、杨金龙.光纤连接器用氧化锆陶瓷插针.《 成都大学学报(自然科学版)》.2002,第21卷(第4期), * |
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| CN102205553A (en) | 2011-10-05 |
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