CN203487037U - Clamping disc for clamping glass handle bars - Google Patents
Clamping disc for clamping glass handle bars Download PDFInfo
- Publication number
- CN203487037U CN203487037U CN201320566820.8U CN201320566820U CN203487037U CN 203487037 U CN203487037 U CN 203487037U CN 201320566820 U CN201320566820 U CN 201320566820U CN 203487037 U CN203487037 U CN 203487037U
- Authority
- CN
- China
- Prior art keywords
- clamping
- glass
- glass handle
- claw
- handle bars
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000011521 glass Substances 0.000 title claims abstract description 74
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 8
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 8
- 239000010439 graphite Substances 0.000 claims abstract description 8
- 210000000078 claw Anatomy 0.000 claims description 42
- 239000005030 aluminium foil Substances 0.000 claims description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 14
- 229910052742 iron Inorganic materials 0.000 abstract description 7
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000013307 optical fiber Substances 0.000 abstract description 5
- 125000006850 spacer group Chemical group 0.000 abstract 3
- 239000011888 foil Substances 0.000 abstract 2
- 238000000034 method Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 241001300078 Vitrea Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/012—Manufacture of preforms for drawing fibres or filaments
- C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
- C03B37/01486—Means for supporting, rotating or translating the preforms being formed, e.g. lathes
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The utility model relates to the field of optical fiber prefabricated bar production and discloses a clamping disc for clamping glass handle bars. The clamping disc for clamping the glass handle bars comprises a chuck and multiple clamp pawls movably arranged on the chuck; each clamp pawl is provided with a pawl sleeve; a spacer cushion is arranged at the contact surface of each pawl sleeve and each glass handle bar. Each spacer cushion comprises an aluminum foil and a graphite hard felt arranged between the aluminum foil and the pawl sleeve. The clamping disc for clamping the glass handle bars is used for clamping, the clamp pawls are isolated from the glass handle bars by the pawl sleeves for preventing the clamp pawls from being directly contacted with the glass handle bars, and iron rust is prevented from adhering to the glass handle bars to pollute an optical fiber prefabricated bar in the tension production process; the areas of the contacting points between the glass handle bars and the clamping device are increased by the spacer cushions, so the stress concentration is reduced and the glass handle bars are prevented from being broken.
Description
Technical field
The utility model relates to preform production field, particularly relate to a kind of for clamping glass excellent clamping disk(-sc).
Background technology
In the production process of preform, from sintering oven preform vitreum out, need to be stretched to certain diameter by heating lathe.Therefore rod welding lathe need to heated to end face upper by oxyhydrogen flame, the glass that upper diameter 45mm is welded in the Vitrea two ends of optical fiber prefabricated rod mandrel is rod, so that equipment fixture extending longitudinally can grip optical fiber prefabricated rod mandrel vitreum.As shown in Figure 1, existing glass for bonding comprises claw 1 and chuck 2 the clamping disk(-sc) of excellent lathe, and claw 1 is processed by steel, is arranged on movably on chuck 2.As shown in Figure 2, at glass for bonding, in rod motion, by the claw 1 tightening up, fix glass rod.
Existing weldering glass is processed excellent lathe claw by steel.Due to claw 1 with glass the restriction of excellent contact area, stressed area is limited, easily at glass the excellent larger focal point of stress of surface formation.As shown in Figure 2, the first glass is the quartz glass bar that diameter is about 45mm excellent 4A and the second glass excellent 4B.The first glass has welded excellent 4A with preform 3, need at the left end of preform 3, weld the second glass excellent 4B again, now, the first glass need to be arranged on excellent 4A in chuck 2.Because preform 3 is own heavier, under action of gravity, add that point of fixity is distant to the centroidal distance of vitreum preform 3, as shown in Figure 3, at the first glass, the first end points 41 of excellent 4A and claw 1 joint and the second end points 42 are produced to stress concentration, because point of contact is too little, the stress distributing on focal point of stress is excessive, in welding process, chuck 2 rotates with certain speed and drives optical fiber prefabricated rod mandrel body to rotate together, is easy to occur rod to rupture in the position of focal point of stress.
The hardness ratio glass of the claw 1 of steel is high rod, and when glass is installed to claw rod, glass may touch jaw surface excellent end face, thereby makes claw and the end face unfairness that rod is contacted, and this has aggravated concentrating of stress.Claw 1 easily scratches the surface of glass, forms cut, has aggravated glass the possibility of rod fracture.Simultaneously, the claw 1 rod being contacted with glass can form one deck iron rust layer on its surface because of corrosion in air, when rod being contacted with glass, the iron rust of trace is brought to glass on rod, when entering next procedure stretching process, be adsorbed on glass the iron rust on rod can be dropped and enters mandrel body on the surface of the preform 3 of melting, cause the severe contamination to preform 3.
Utility model content
(1) technical problem that will solve
The purpose of this utility model be to provide a kind of can reduce glass excellent stress concentration and prevent iron rust source of pollution for clamping glass excellent clamping disk(-sc).
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model is provided for clamping glass excellent clamping disk(-sc), a plurality of claws that it comprises chuck and is arranged on movably chuck, each claw is equipped with pawl cover, and described pawl cover is provided with spacing pad with glass excellent contact surface.
Wherein, described spacing pad comprises aluminium foil and the hard felt of graphite between aluminium foil and pawl cover.
Wherein, described pawl cover is made of aluminum, and pawl cover is removably mounted on claw.
Wherein, the thickness of described aluminium foil is 0.1～0.3 millimeter.
Wherein, the thickness of the hard felt of described graphite is 1～5 millimeter.
Wherein, described pawl cover and claw shrink-fit.
Wherein, described pawl cover and claw running fit, described pawl puts and is provided with snap close.
Wherein, described pawl cover and claw running fit, described pawl cover is installed on claw by steady brace.
(3) beneficial effect
What the utility model provided has following beneficial effect for clamping glass excellent clamping disk(-sc):
(1) pawl cover isolation claw, with glass rod, is avoided direct contact, prevents that iron rust is stained with glass excellent, in stretching production process, pollutes preform;
(2) spacing pad increases glass the area of point of contact between rod and clamping device, reduces stress concentration, prevents that glass from rupturing rod;
(3) aluminium foil contacts rod with glass, prevents from scratching glass rod.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of clamping disk(-sc);
Fig. 2 is for being used lathe glass for bonding excellent phantom view;
Fig. 3 is the enlarged view of I part in Fig. 2;
Fig. 4 is claw longitudinal sectional view of the present utility model;
Fig. 5 is claw transverse sectional view of the present utility model;
In figure, 1: claw; 2: chuck; 3: preform; 4A: the first glass is rod; 4B: the second glass is rod; 41: the first end points; 42: the second end points; 5: pawl cover; 6: the hard felt of graphite; 7: aluminium foil.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following instance is used for illustrating the utility model, but is not used for limiting scope of the present utility model.
In description of the present utility model, it should be noted that, term " on ", D score, " left side ", " right side ", " in " etc. orientation or the position relationship of indication be based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, rather than indicate or imply that the device of indication or element must have specific orientation, with specific orientation, construct and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second " be only for describing object, and can not be interpreted as indication or hint relative importance.
As shown in Fig. 2,4 and 5, the utility model is used for clamping glass excellent clamping disk(-sc), a plurality of claws 1 that it comprises chuck 2 and is arranged on movably chuck, claw 1 is provided with pawl cover 5, and pawl cover 5 and glass are provided with spacing pad the contact surface of rod (comprise the first glass excellent 4A and the second glass excellent 4B).Spacing pad comprises aluminium foil 7 and the hard felt 6 of graphite between aluminium foil 7 and pawl cover 5.Preferably, the thickness of aluminium foil is 0.1～0.3 millimeter, and the thickness of the hard felt of graphite is 1～5 millimeter.
In use procedure, claw 1 clamps the first glass excellent 4A by spacing pad, the first glass increases the area of the first end points 41 of excellent 4A holding portion and the second end points 42 contact surfaces, stress concentration reduces, reduce contact surface place glass the suffered stress of rod, when welding the second glass excellent 4B, can effectively prevent that the first glass from rupturing excellent 4A.Use aluminium foil 7 with the first glass, excellent 4A to be contacted, due to the hardness of aluminium foil lower than glass excellent hardness, so can not damage glass excellent surface, thereby further prevent that glass from rupturing rod.Use pawl cover 5 that claw 1 is not directly contacted with the second glass excellent 4A with the first glass excellent 4B, avoid the iron rust of generation on claw 1 to be stained with to the first glass excellent 4A is gone up and adds and drop to preform 3 man-hour at posterior drawing.
Further, it is 5 made of aluminum that pawl overlaps, and pawl cover 5 is removably mounted on claw 1.Make the pawl cover 5 being formed from aluminium, its hardness is lower, has good deformability.When work, the action of gravity of preform converts the deformation of aluminium pawl cover to, reduces reactive force and concentrates at the first end points 41 and the second end points 42 places, effectively reduces the size of stress concentration, prevents that glass from rupturing rod.Preferred scheme one, pawl cover 5 and claw 1 shrink-fit that aluminium is made, by the mode of shrink-fit, pawl cover 5 mounts and dismounts easily on claw, conveniently when pawl cover damages, replaces.Preferred scheme two, pawl cover 5 and claw running fit are provided with snap close on pawl cover 5 simultaneously, by snap close, are removably mounted on claw; Also can overlap on 5 through hole is set at pawl, pin-and-hole is set on claw, pawl cover be installed on claw by steady brace simultaneously, realizes pawl be enclosed within removably installation on claw by steady brace.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (8)
- For clamping glass an excellent clamping disk(-sc), it is characterized in that, it comprises chuck and is arranged on movably a plurality of claws on chuck, each claw is equipped with pawl cover, described pawl cover is provided with spacing pad with glass excellent contact surface.
- As claimed in claim 1 for clamping glass excellent clamping disk(-sc), it is characterized in that, described spacing pad comprises aluminium foil and the hard felt of graphite between aluminium foil and pawl cover.
- As claimed in claim 1 for clamping glass excellent clamping disk(-sc), it is characterized in that, described pawl cover is made of aluminum, pawl cover is removably mounted on claw.
- As claimed in claim 2 for clamping glass excellent clamping disk(-sc), it is characterized in that, the thickness of described aluminium foil is 0.1～0.3 millimeter.
- As claimed in claim 2 for clamping glass excellent clamping disk(-sc), it is characterized in that, the thickness of the hard felt of described graphite is 1～5 millimeter.
- As claimed in claim 3 for clamping glass excellent clamping disk(-sc), it is characterized in that described pawl cover and claw shrink-fit.
- As claimed in claim 3 for clamping glass excellent clamping disk(-sc), it is characterized in that, described pawl cover and claw running fit, described pawl puts and is provided with snap close.
- As claimed in claim 3 for clamping glass excellent clamping disk(-sc), it is characterized in that, described pawl cover and claw running fit, described pawl cover is installed on claw by steady brace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320566820.8U CN203487037U (en) | 2013-09-12 | 2013-09-12 | Clamping disc for clamping glass handle bars |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320566820.8U CN203487037U (en) | 2013-09-12 | 2013-09-12 | Clamping disc for clamping glass handle bars |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203487037U true CN203487037U (en) | 2014-03-19 |
Family
ID=50257882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320566820.8U Expired - Fee Related CN203487037U (en) | 2013-09-12 | 2013-09-12 | Clamping disc for clamping glass handle bars |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203487037U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104765114A (en) * | 2015-01-16 | 2015-07-08 | 中天科技精密材料有限公司 | Integrated metal sleeve device with maintenance-free precision and clamping method thereof |
-
2013
- 2013-09-12 CN CN201320566820.8U patent/CN203487037U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104765114A (en) * | 2015-01-16 | 2015-07-08 | 中天科技精密材料有限公司 | Integrated metal sleeve device with maintenance-free precision and clamping method thereof |
| CN104765114B (en) * | 2015-01-16 | 2018-03-30 | 中天科技精密材料有限公司 | A kind of precision non-maintaining integrated metal sleeve arrangement and its clamping method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140319 |