CN103755136B - A kind of Core rod clamp and method of cooling thereof - Google Patents
A kind of Core rod clamp and method of cooling thereof Download PDFInfo
- Publication number
- CN103755136B CN103755136B CN201410031256.9A CN201410031256A CN103755136B CN 103755136 B CN103755136 B CN 103755136B CN 201410031256 A CN201410031256 A CN 201410031256A CN 103755136 B CN103755136 B CN 103755136B
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- China
- Prior art keywords
- holder housing
- plug
- core rod
- air deflector
- rod clamp
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The present invention relates to a kind of Core rod clamp, for in the preparation process of preform, comprise symmetrically arranged for clamping plug two ends respectively two and clamp assembly, clamp assembly and comprise the holder housing be arranged on supporting seat, holder housing is provided with the through hole that can penetrate for plug near one end of taillight, and comprise the taper type air deflector being arranged at through hole outer rim, and being arranged on holder housing away from one end of taillight and for the air outlet for holder housing inner blower, the large end of taper type air deflector and holder housing are connected.This Core rod clamp effectively can avoid taillight flame scorching holder housing and rotation axis, therefore the temperature of rotation axis and holder housing inside reduces, this guarantees and clamp lubricating oil in assembly and lubricant not by pyrolytic decomposition or evaporation, and then provide Reliable guarantee for the flexible rotating of rotation axis.The invention also discloses a kind of method that Core rod clamp is cooled.
Description
Technical field
The present invention relates to optical fiber preparing technical field, particularly the method for cooling of a kind of Core rod clamp used in preform preparation process and Core rod clamp.
Background technology
Make in the process of preform surrounding layer utilizing OVD (OutsideVapourDeposition outside vapor deposition) legal system, the silica dust after by high-temperature hydrolysis is needed to be deposited on equably on plug, therefore we need to use Core rod clamp to be fixed at the two ends of plug, and its axis along self is rotated.
Please refer to Fig. 1, Fig. 1 be current Core rod clamp clamp unit construction schematic diagram, Core rod clamp comprises and is symmetrical arranged and clamps assembly for what clamp plug 01 two ends, clamp assembly and comprise holder housing 07 (all not illustrating), and the rotation axis 02 being arranged on the inner and servomotor 06 connected successively of holder housing 07, speed reduction unit 05, shaft coupling 04 and being connected with shaft coupling 04 with one end, rotation axis 02 is through the axle sleeve 03 being arranged on holder housing 07 inside, and other one end of rotation axis 02 is provided with and clamps part for what clamp plug 01.
In the process of prefabricated fiber rod depositing, in order to the situation making loose media and plug junction not produce cracking because thermograde is excessive, generally at the binding site place of loose media and plug, taillight is installed, taillight moves left and right along with main jet lamp, in the process of loose media deposition, taillight can burn and clamp part 80mm place to apart from plug, taillight adopts oxyhydrogen flame heating, the radiant heat of oxyhydrogen flame and the heat trnasfer of plug will cause fixture to occur thermal distortion, clamp lubricating oil in assembly or lubricant produces decomposition by under the effect of high temperature, this can cause the bearing of support rotating axle stuck, clamp the situation that assembly there will be autobiography difficulty.
Therefore, how can avoid clamping the lubricating oil in assembly or lubricant decomposes, so that ensureing that rotation axis can freely rotate is the technical problem that current those skilled in the art need solution badly.
Summary of the invention
The object of this invention is to provide a kind of Core rod clamp, so as the lubricating oil can avoiding clamping in assembly because being heated decomposition evaporation, thus ensure that rotation axis can freely rotate, the phenomenon avoiding rotation axis stuck occurs.
For solving the problems of the technologies described above, Core rod clamp provided by the invention, for in the preparation process of preform, comprise symmetrically arranged for clamping plug two ends respectively two and clamp assembly, the described assembly that clamps comprises the holder housing be arranged on supporting seat, described holder housing is provided with the through hole that can penetrate for plug near one end of taillight, and this Core rod clamp also comprises the taper type air deflector being arranged at described through hole outer rim, and be arranged on described holder housing away from one end of taillight and for the air outlet for described holder housing inner blower, large end and the described holder housing of described taper type air deflector are connected,
The holder housing clamping assembly described in two has at least one to be slidably disposed on described supporting seat, and described holder housing can on described supporting seat sliding axially along plug.
Preferably, described air deflector is the air deflector of circular cone shape, and the dead in line of the axis of described air deflector and described through hole.
Preferably, there is between the air deflector small end of described circular cone shape and mandrel surface the gap of 1mm-3mm.
Preferably, the air deflector plate face of described circular cone shape and the angle of horizontal plane are 45 °.
Preferably, described supporting seat has along the axial arranged guide rail of plug, can on described supporting seat along plug in axial sliding holder housing by being slidably connected with the chute and described supporting seat of described guide rail adaptation.
Preferably, the described rotation axis clamped in assembly is provided with plug clamping portion near one end of described through hole, and described plug clamping portion comprises with the sleeve of described core rod end diameter adaptation and is arranged on described sleeve lining for preventing plug and described sleeve sealing-ring in relative rotation.
Preferably, also comprise and be arranged at described holder housing top or bottom and can the air outlet of folding, be provided with for the air deflector to described holder housing close taillight one end wind-guiding near the position of described air outlet.
To the method for cooling that the Core rod clamp in above-mentioned any one cools, the method is: by described air outlet to the inner forced air supply of described holder housing.
Preferably, in above-mentioned method of cooling, air-supply wind speed is not more than 5m/s.
As can be seen from the above technical solutions in Core rod clamp provided by the present invention, clamp assembly and comprise the holder housing be arranged on supporting seat, and holder housing is provided with the through hole that can penetrate for plug near one end of taillight, and be also provided with taper type air deflector in the outer rim of this through hole, the large end of taper type air deflector and holder housing are connected, and holder housing is also provided with for the air outlet for holder housing inner blower away from one end of taillight.
Therefore in actual production process by air outlet to holder housing inner blower, the cold wind entering into holder housing inside carries out air blast cooling by each part of holder housing inside, this effectively can reduce the temperature of holder housing each part inner, simultaneously because holder housing is provided with taper type air deflector near one end of taillight, some gap consisted of air deflector and plug blows out by the wind being thus sent to holder housing inside by air outlet, this can change the direction of taillight flame, avoid taillight flame too near the rotation axis of holder housing and holder housing inside, thus effectively prevent taillight flame scorching holder housing and rotation axis, therefore the temperature of rotation axis and holder housing inside reduces, this guarantees and clamp lubricating oil in assembly and lubricant not by pyrolytic decomposition or evaporation, and then provide Reliable guarantee for the flexible rotating of rotation axis.
Because method of cooling disclosed in this invention comprises by the inside forced air supply of air outlet to holder housing, thus this method of cooling can have while effect reduces the temperature of holder housing each part inner, avoids taillight flame to scorch holder housing and rotation axis.
Accompanying drawing explanation
Fig. 1 is the part-structure sectional view of Core rod clamp in prior art;
The part-structure sectional view of Core rod clamp of Fig. 2 for providing in the embodiment of the present invention.
Wherein, 1 is plug, and 2 is sealing-ring, and 3 is sleeve, and 4 is axle sleeve, and 5 is shaft coupling, and 6 is speed reduction unit, and 7 is servomotor, and 8 is holder housing, and 9 is air outlet, and 10 is taper type air deflector.
Embodiment
Core of the present invention is to provide a kind of Core rod clamp, so as the lubricating oil can avoiding clamping in assembly because being heated decomposition evaporation, thus ensure that rotation axis can freely rotate, the phenomenon avoiding rotation axis stuck occurs.
In order to make those skilled in the art person understand the present invention program better, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Please refer to Fig. 2, the part-structure sectional view of Core rod clamp of Fig. 2 for providing in the embodiment of the present invention.
The Core rod clamp provided in the embodiment of the present invention is mainly used in the preparation process of preform, especially in the process of OVD legal system for preform surrounding layer, this Core rod clamp comprises being symmetrical arranged and being respectively used to clamp two of plug 1 two ends and clamps assembly, as shown in Figure 2, only show one in Fig. 2 and clamp assembly, another one clamps and clamps assembly full symmetric shown in assembly and Fig. 2, this clamps in assembly the holder housing 8 specifically comprising and being arranged on supporting seat, and holder housing 8 is provided with the through hole that can penetrate for plug 1 near one end of taillight, one end of plug 1 to be penetrated in holder housing 8 by this through hole and the fixture of mounted housing 8 inside is fixed, this Core rod clamp also comprises the taper type air deflector 10 of the outer rim being arranged on above-mentioned through hole simultaneously, and the large end of this taper type air deflector 10 and holder housing 8 are connected, holder housing 8 is also provided with for the air outlet 9 for holder housing 8 inner blower away from one end of taillight, as shown in Figure 2.
The outer rim of so-called through hole refers to the side of through hole near taillight, in actual production process by air outlet 9 to the inner forced air supply of holder housing 8, enter into the cold wind of holder housing 8 inside by the axial flow along holder housing 8, in the process of flowing, air blast cooling is carried out to each part of holder housing 8 inside, this effectively can reduce the temperature of holder housing 8 each part inner, simultaneously because holder housing 8 is provided with taper type air deflector 10 near one end of taillight, some gap consisted of taper type air deflector 10 and plug 1 blows out by the wind being thus sent to holder housing 8 inside by air outlet 9, when the taillight for heating prefabricated rods moves to the position of close holder housing 8 and holder housing 8 Internal jigging, the wind blown out by taper type air deflector 10 can change the direction of taillight flame, thus avoid taillight flame too near the rotation axis of holder housing 8 and holder housing 8 inside, thus effectively prevent taillight flame scorching holder housing 8 and rotation axis, therefore the temperature of rotation axis and holder housing 8 inside reduces, this guarantees and clamp lubricating oil in assembly and lubricant not by pyrolytic decomposition or evaporation, and then provide Reliable guarantee for the flexible rotating of rotation axis.
Installing breeze fan at air outlet 9 place is the one air-supply measure that those skilled in the art easily expect, certainly, the measure of bleeding to the inside of holder housing 8 can also be adopted to make holder housing 8 inside form negative pressure, thus gas is flowed to one end near taillight of holder housing 8 vertically by air outlet 9 one end of holder housing 8.
As shown in Figure 2, the cold wind entered by air outlet 9 will flow through servomotor 7, speed reduction unit 6, shaft coupling 5, rotation axis and the bearing support be used for for rotation axis provides support and axle sleeve 4 successively, this will effectively reduce the temperature of each part in holder housing 8, last cold wind will be derived by taper type air deflector 10, in order to the convenience of producing and installing, the air deflector of the preferably circular cone shape of the taper type air deflector 10 in the present embodiment, and the dead in line of through hole on the axis of the air deflector of this circular cone shape and holder housing 8.
Certainly, except the air deflector of circular cone shape, those skilled in the art can also by the air deflector of taper type air deflector 10 side of being set to frustum, and the large end of air deflector and holder housing are connected.
Gap between taper type air deflector 10 and plug 1 surface is unsuitable excessive, when wind speed of blowing is certain, it is too small that excessive gap will make taper type air deflector press close to the position wind speed of plug, cooling-down effect is obvious not, through experiment, when gap between taper platform air deflector 10 and plug 1 surface is greater than 3mm, the wind speed of the cooling air flowed out by taper type air deflector is too small, certainly, gap between taper type air deflector 10 and plug 1 surface is also unsuitable too small, when gap between taper type air deflector 10 and plug 1 surface is less than 1mm, ventilation is obviously not enough, too small gap will not have avoids taillight flame too near the effect of holder housing 8 and rotation axis, gap between frustum air deflector 10 small end provided in the present embodiment and plug 1 surface is 1mm-3mm, preferably 2mm, under this gap, the wind speed of the cooling air flowed out by taper type air deflector is suitable, and ventilation is sufficient, remarkable to the cooling-down effect of Core rod clamp.
Angle between the air deflector of circular cone shape its plate face and horizontal plane has remarkably influenced for the effect collecting wind, when angle between air deflector plate face and horizontal plane is less than 45 °, the collection wind of windsheild is limited in one's ability, and the cooling air air quantity flowed out by taper type air deflector is too small; And when the angle between air deflector plate face and horizontal plane is excessive, such as 50 ° and above angle time, the length of air deflector parcel plug then can be caused too short, the region making plug be subject to taillight impact increases, therefore in order to optimize the technical scheme in above-described embodiment further, angle between the air deflector of the circular cone shape provided in the present embodiment its plate face and horizontal plane is 45 °, the air deflector of this angle is not only easily processed, and the collection wind energy power of windsheild is higher, the moderate length of windsheild parcel plug simultaneously.
Current plug 1 is in clamping process, need first plug 1 to be placed in the lower pallet at Core rod clamp two ends, then be fastened in lower pallet by top hold-down, and by the mode of bolt tightening, plug 1 is clamped, this kind of plug clamping process is comparatively complicated, clamping process needs to waste the more time, in order to reduce the clamping time, enhance productivity, two in the Core rod clamp provided in the present embodiment holder housings 8 clamping assembly have at least one to be slidably disposed on supporting seat, and the slip direction of holder housing 8 is the axis direction along plug 1, that so just first can move one end clamps assembly, and clamp one end of clamping plug 1 on assembly at this, and then promote this clamp assembly make the other end of plug 1 with clamp assembly clamping.
The clamping speed on assembly is being clamped in order to improve plug 1 further, the assembly rotation axis that clamps in the present embodiment is provided with plug clamping portion near one end of through hole, and this plug clamping portion comprises with the sleeve 3 of core rod end diameter adaptation and is arranged on sleeve 3 inwall for preventing plug 1 and sleeve 3 sealing-ring 2 in relative rotation.As shown in Figure 2, sealing-ring 2 can select O RunddichtringO, and this kind of clamping portion only needs the end of plug 1 to be pushed into sleeve 3 inside in clamping process, and coordinate and slidably clamp assembly, this Core rod clamp will improve the clamping speed of plug 1 further.
Be understandable that, the mode that holder housing 8 is slidably installed on supporting seat has multiple, such as arrange along the axial arranged guide rail of plug 1 on supporting seat, holder housing 8 is provided with the chute with guide rail adaptation, holder housing 8 being slidably connected on supporting seat is realized with coordinating of guide rail by chute, certainly, roller can also be set in the bottom of holder housing 8, supporting seat arranges the rolling groove being used for coordinating with roller, realizes holder housing 8 being slidably connected on supporting seat by the cooperation of roller and rolling groove.
In order to further optimize the technical scheme in above-described embodiment, also offering on the top of holder housing 8 or bottom in the present embodiment can the air outlet of folding, and be provided with for the air deflector of holder housing 8 near one end wind-guiding of taillight near the position of air outlet, the wind that air deflector is derived avoids taillight flame too near holder housing 8 and rotation axis by auxiliary, can adjust by the aperture adjusting air port the air force that air deflector derives, thus adjustment blows to the wind speed of taillight flame.
Certainly, air outlet can be provided with multiple, also can be played the effect of auxiliary adjustment wind speed by the quantity changing the air outlet opened.
Also disclose a kind of method of cooling cooled Core rod clamp disclosed in above-described embodiment in the embodiment of the present invention, the core procedure in the method is by the holder housing inner forced air supply of air outlet to Core rod clamp.
In order to avoid the flame of cooling air on taillight to cause excessive impact while guarantee cooling performance, in the method for cooling provided in the present embodiment, ventilation wind speed is not more than 5m/s.
The gas blower being arranged on air outlet place such as can be adopted to carry out air blast to the inside of holder housing, first the cooling air being sent to holder housing inside will carry out air blast cooling to each part of the inside of holder housing, and this effectively can reduce the temperature of holder housing each part inner; The wind simultaneously blown out by taper type air deflector 10 can change the direction of taillight flame, thus avoid taillight flame too near the rotation axis of holder housing 8 and holder housing 8 inside, effectively prevent taillight flame scorching holder housing 8 and rotation axis, therefore the temperature of rotation axis and holder housing 8 inside reduces, this guarantees and clamp lubricating oil in assembly and lubricant not by pyrolytic decomposition or evaporation, and then provide Reliable guarantee for the flexible rotating of rotation axis.
Above Core rod clamp provided by the present invention and method of cooling thereof are described in detail.Apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.
Claims (9)
1. a Core rod clamp, for in the preparation process of preform, comprise symmetrically arranged for clamping plug two ends respectively two and clamp assembly, the described assembly that clamps comprises the holder housing (8) be arranged on supporting seat, described holder housing (8) is provided with the through hole that plug (1) can be supplied to penetrate near one end of taillight, it is characterized in that, also comprise the taper type air deflector (10) being arranged at described through hole outer rim, and be arranged on described holder housing (8) away from one end of taillight and for the air outlet (9) for described holder housing (8) inner blower, large end and the described holder housing (8) of described taper type air deflector (10) are connected,
The holder housing (8) clamping assembly described in two has at least one to be slidably disposed on described supporting seat, and described holder housing (8) can on described supporting seat sliding axially along plug.
2. Core rod clamp according to claim 1, is characterized in that, the air deflector that described taper type air deflector (10) is circular cone shape, and the axis of described taper type air deflector (10) and the dead in line of described through hole.
3. Core rod clamp according to claim 2, is characterized in that, has the gap of 1mm-3mm between the air deflector small end of described circular cone shape and plug (1) surface.
4. Core rod clamp according to claim 2, is characterized in that, the air deflector plate face of described circular cone shape and the angle of horizontal plane are 45 °.
5. Core rod clamp according to claim 1, is characterized in that, described supporting seat has along the axial arranged guide rail of plug (1), and holder housing (8) is by being slidably connected with the chute and described supporting seat of described guide rail adaptation.
6. Core rod clamp according to claim 1, it is characterized in that, the described rotation axis clamped in assembly is provided with plug clamping portion near one end of described through hole, and described plug clamping portion comprises with the sleeve (3) of plug (1) end diameter adaptation and is arranged on described sleeve (3) inwall for preventing plug (1) and described sleeve (3) sealing-ring (2) in relative rotation.
7. Core rod clamp according to claim 1, it is characterized in that, also comprise and be arranged at described holder housing (8) top or bottom and can the air outlet of folding, be provided with near the position of described air outlet for the air deflector of described holder housing (8) near one end wind-guiding of taillight.
8. to the method for cooling that the Core rod clamp as described in claim 1-7 any one cools, it is characterized in that, by described air outlet to the inner forced air supply of described holder housing.
9. method of cooling according to claim 8, is characterized in that, air-supply wind speed is not more than 5m/s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410031256.9A CN103755136B (en) | 2014-01-23 | 2014-01-23 | A kind of Core rod clamp and method of cooling thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410031256.9A CN103755136B (en) | 2014-01-23 | 2014-01-23 | A kind of Core rod clamp and method of cooling thereof |
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| Publication Number | Publication Date |
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| CN103755136A CN103755136A (en) | 2014-04-30 |
| CN103755136B true CN103755136B (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410031256.9A Active CN103755136B (en) | 2014-01-23 | 2014-01-23 | A kind of Core rod clamp and method of cooling thereof |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105731783A (en) * | 2016-01-20 | 2016-07-06 | 苏州沃森优金电子科技有限公司 | Water cooling apparatus of optical fiber prefabricated bar |
| CN106186662B (en) * | 2016-08-31 | 2018-08-24 | 江苏富春江光电有限公司 | The detachable tail pipe fixture of preform |
| CN108191225B (en) * | 2018-01-22 | 2021-01-05 | 武汉光谷长盈通计量有限公司 | Panda polarization-maintaining stress bar fixing device |
| CN110194588B (en) * | 2019-05-27 | 2022-02-22 | 江苏通鼎光棒有限公司 | OVD deposition device with high deposition qualified rate |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1328530A (en) * | 1998-08-12 | 2001-12-26 | 康宁股份有限公司 | Method for making fiber preform using cooled spindle |
| CN101481208A (en) * | 2009-02-09 | 2009-07-15 | 富通集团有限公司 | Method of stretching glass preform bar |
| CN102276144A (en) * | 2011-06-29 | 2011-12-14 | 长飞光纤光缆有限公司 | Rotary seal chuck of optical fiber preform rod deposition lathe |
| CN202465984U (en) * | 2012-01-09 | 2012-10-03 | 大亚科技股份有限公司 | Spinning head sleeve |
-
2014
- 2014-01-23 CN CN201410031256.9A patent/CN103755136B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1328530A (en) * | 1998-08-12 | 2001-12-26 | 康宁股份有限公司 | Method for making fiber preform using cooled spindle |
| CN101481208A (en) * | 2009-02-09 | 2009-07-15 | 富通集团有限公司 | Method of stretching glass preform bar |
| CN102276144A (en) * | 2011-06-29 | 2011-12-14 | 长飞光纤光缆有限公司 | Rotary seal chuck of optical fiber preform rod deposition lathe |
| CN202465984U (en) * | 2012-01-09 | 2012-10-03 | 大亚科技股份有限公司 | Spinning head sleeve |
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| CN103755136A (en) | 2014-04-30 |
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Effective date of registration: 20191217 Address after: Hangzhou City, Zhejiang Province, 311422 Silver Lake Science and technology of Fuyang Creative Industry Park of Fuyang Economic Development Zone Co-patentee after: Hangzhou Futong Communication Technology Co., Ltd. Patentee after: Zhejiang Futong Optical Fiber Technology Co., Ltd. Address before: Hangzhou City, Zhejiang province 311422 Fuyang City Economic Development Zone of Fuyang Lake Science and Technology Innovation Park Patentee before: Zhejiang Futong Optical Fiber Technology Co., Ltd. |
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