CN219363513U - Optical fiber perform positioning device - Google Patents

Optical fiber perform positioning device Download PDF

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Publication number
CN219363513U
CN219363513U CN202223384038.2U CN202223384038U CN219363513U CN 219363513 U CN219363513 U CN 219363513U CN 202223384038 U CN202223384038 U CN 202223384038U CN 219363513 U CN219363513 U CN 219363513U
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CN
China
Prior art keywords
clamping jaw
wire drawing
optical fiber
machine body
drawing machine
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Active
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CN202223384038.2U
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Chinese (zh)
Inventor
白宗坤
张荣旺
迪利普
刘玉彬
顾天宇
张晨煜
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Jiangsu Sterlite Tongguang Fiber Co ltd
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Jiangsu Sterlite Tongguang Fiber Co ltd
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Priority to CN202223384038.2U priority Critical patent/CN219363513U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00Technologies relating to the processing of minerals
    • Y02P40/50Glass production, e.g. reusing waste heat during processing or shaping
    • Y02P40/57Improving the yield, e-g- reduction of reject rates

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  • Manufacture, Treatment Of Glass Fibers (AREA)

Abstract

The utility model relates to the technical field of optical fiber communication, in particular to an optical fiber preform positioning device, which aims to overcome the defects in the optical fiber drawing process in the prior art and is mainly realized by the following technical scheme: the utility model provides an optical fiber perform positioning device, including wire drawing organism and barred body, the top is provided with the furnace chamber in the wire drawing organism, the barred body hangs and sets up in the furnace chamber, still include fixing device, adjusting device and stop device, fixing device connects barred body top and wire drawing organism, fixing device includes sleeve and holder, the holder includes first clamping jaw and second clamping jaw, adjusting device sets up in the wire drawing organism, adjusting device includes a plurality of laser detector, stop device sets up in the wire drawing organism bottom, stop device includes spacing slide and slide moving part, realize the accurate automatic adjustment of barred body position deviation, thereby guarantee the straightness that hangs excellent straightness and collimation degree behind the stick, follow-up production efficiency is effectively improved, the product rejection rate is reduced.

Description

Optical fiber perform positioning device
Technical Field
The utility model relates to the technical field of optical fiber communication, in particular to an optical fiber preform positioning device.
Background
The optical fiber is made of glass or plastic and can be used as a light transmission tool, the transmission principle is total reflection of light, and various optical fiber production methods are available, such as an in-tube CVD (chemical vapor deposition) method, an in-rod CVD method, a PCVD (plasma chemical vapor deposition) method, a VAD (axial vapor deposition) method and the like, but in either method, a preform is required to be made at a high temperature, and then heated and softened in a high-temperature furnace, drawn into filaments, coated and plastic-coated to form an optical fiber core wire.
The optical fiber drawing is to soften an optical fiber preform rod with a large diameter by heating and then draw the optical fiber preform rod into an optical fiber wire with a small diameter. The position of the preform in the drawing furnace in the optical fiber drawing process is one of important control links in the optical fiber production and manufacturing process, and the relative position of the preform and a drawing furnace mouth can influence the temperature field and the air flow trend of the drawing furnace, so that the geometric parameters of the optical fiber are influenced.
In the existing optical fiber production equipment, the optical fiber preform position adjustment is mostly carried out by manual adjustment, wherein the manual adjustment is carried out by observing the optical fiber preform position by naked eyes of operators, and manually judging the perpendicularity of the optical fiber preform and the position opposite to a wire drawing furnace mouth. In the operation process, the problems of unclear visual observation and judgment, low manual adjustment and calibration precision, low ascending operation safety coefficient and the like exist.
Disclosure of Invention
Therefore, the technical problem to be solved by the utility model is to overcome the defects in the optical fiber drawing process in the prior art, so as to provide the optical fiber preform positioning device.
The technical aim of the utility model is realized by the following technical scheme:
the utility model provides an optical fiber perform positioning device, includes wire drawing organism and barre body, wire drawing organism internal top is provided with the furnace chamber, the barre body hangs the setting in the furnace chamber, still includes:
the fixing device is connected with the top of the rod body and the wire drawing machine body, the fixing device comprises a sleeve and a clamping piece, the sleeve is sleeved outside the rod body and is clamped on the top end of the rod body, the clamping piece comprises a first clamping jaw and a second clamping jaw, the first clamping jaw and the second clamping jaw are installed in a circular ring shape in a matched mode, the first clamping jaw is installed in the wire drawing machine body in a positioning and rotating mode, and the inner diameters of the first clamping jaw and the second clamping jaw are consistent with the outer diameter of the sleeve;
the adjusting device is arranged in the wire drawing machine body and comprises a plurality of laser detectors which are arranged on two adjacent inner side walls of the wire drawing machine body in pairs, and the laser detectors in pairs are symmetrically arranged about the axis of the furnace chamber;
the limiting device is arranged at the bottom in the wire drawing machine body and comprises a limiting slideway and a slideway moving part, and the slideway moving part drives the limiting slideway to transversely slide and be arranged in the wire drawing machine body.
Through adopting above-mentioned technical scheme, set up adjusting device cooperation fixing device, realize the accurate automatic adjustment of excellent body position deviation to guarantee the straightness that hangs down and collimation degree of excellent behind the stick, effectively improve subsequent production efficiency, reduce the product disability rate, can realize the operation of intelligent adjustment stick body.
Further, the clamping piece still includes first driving piece and second driving piece, first driving piece is fixed at wire drawing organism top, first clamping jaw location of first driving piece drive rotates in the wire drawing machine body, the second driving piece is fixed at wire drawing organism lateral wall, the second driving piece drive second clamping jaw vertically slides and sets up in the wire drawing machine body.
Through adopting above-mentioned technical scheme, first clamping jaw of first driving piece drive rotates to can make first clamping jaw opening earlier towards the outside, be convenient for hang the transfer of excellent body on the stick car, put into the stick body in the one side that is far away from the wire drawing organism, promote staff's security, and first clamping jaw and second clamping jaw enable the initial state of excellent body under a relatively vertical condition after pressing from both sides tight with stick body and sleeve, reduce follow-up adjustment step, only need finely tune can.
Further, the first driving piece is connected with the first clamping jaw through a first movable block, and the first clamping jaw is in spherical hinge connection with the first movable block; the second driving piece is connected with the second clamping jaw through a second movable block, and the second clamping jaw is connected with the second movable block in a spherical hinge mode.
Through adopting above-mentioned technical scheme, first clamping jaw and first movable block, second clamping jaw and the second movable block that spherical hinge connects do not influence follow-up promotion rotation operation to the clamping jaw, avoid the structure to interfere.
Further, a positioning card is arranged on the end faces of the openings of the first clamping jaw and the second clamping jaw, and comprises a positioning block arranged on the end face of the opening of the second clamping jaw and a positioning groove arranged on the end face of the opening of the first clamping jaw.
Through adopting above-mentioned technical scheme, locating piece and constant head tank cooperation to realize the both ends cooperation chucking of first clamping jaw and second clamping jaw, avoid dropping at the wire drawing in-process stick body.
Further, the pushing disc is arranged at the top of the first clamping jaw and the top of the second clamping jaw in an extending mode, a plurality of pushing grooves are formed in the upper surface of the pushing disc, a plurality of pushing pieces are fixed at the top of the wire drawing machine body, the pushing pieces are arranged corresponding to the pushing grooves, and the pushing pieces are arranged in a circumferential array mode relative to the rod body.
Through adopting above-mentioned technical scheme, set up the promotion groove on the promotion dish and cooperate with the impeller, when the stick body produced offset error, start corresponding impeller, control the stick body and be in vertical state all the time.
Further, a cover plate is further arranged between the top of the rod body and the wire drawing machine body, a sealing cover is further arranged between the bottom of the sleeve and the rod body, and an annular groove for clamping by the clamping piece is formed in the outer wall of the sleeve.
By adopting the technical scheme, the cover plate is arranged between the rod body and the wire drawing machine body, the sealing cover is arranged between the sleeve and the rod body, the rod body is ensured not to generate air leakage at the central position of the furnace of the wire drawing machine body, and the air leakage condition of the furnace mouth is avoided.
Further, the limiting slide way is arc-shaped, the center of the limiting slide way corresponds to the rotation center of the first clamping jaw, a V-shaped clamping groove is formed in the limiting slide way, and an entering notch is further formed in the side wall, close to one end, of the limiting slide way.
Through adopting above-mentioned technical scheme, spacing slip provides to support spacingly for the stick body at the stick body along with first clamping jaw is rotatory, ensures that the stick body top can be pressed from both sides tightly smoothly by first clamping jaw and second clamping jaw, and the V type draw-in groove is convenient for cooperate chucking stick body bottom, and the entering breach is convenient for the stick body directly get into in the spacing slide from hanging the stick car to follow-up first clamping jaw clamp is tight rotatory.
Further, the slip groove that supplies spacing slide to slide is offered to wire drawing organism bottom both sides, spacing slide bottom is provided with the piece that slides that corresponds with the groove that slides, the slide moves the piece and includes rotation motor and drive screw, drive screw and the piece threaded connection that slides and set up in the groove that slides along the groove length direction that slides, the piece cover that slides is established on drive screw, rotation motor drive screw rotates.
Through adopting above-mentioned technical scheme, spacing slide is moved the piece control by the slide and is slided, is pressed from both sides tightly smoothly by first clamping jaw and second clamping jaw at the stick body after, and spacing slide keeps away from the stick body, avoids influencing stick body bottom wire drawing operation.
In summary, the technical scheme of the utility model has the following advantages:
1. according to the optical fiber preform positioning device, the adjusting device is matched with the fixing device, so that accurate and automatic adjustment of the position deviation of the rod body is realized, the perpendicularity and the collimation degree of the rod after rod hanging are ensured, the subsequent production efficiency is effectively improved, the rejection rate of products is reduced, and the operation of intelligently adjusting the rod body can be realized.
2. The optical fiber preform positioning device provided by the utility model has the advantages that the cover plate is arranged between the rod body and the wire drawing machine body, the sealing cover is arranged between the sleeve and the rod body, so that the rod body is ensured not to generate air leakage at the central position of the furnace of the wire drawing machine body, and the air leakage condition of the furnace mouth is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view showing the overall structure of an optical fiber preform positioning device before operation according to an embodiment of the present utility model;
FIG. 2 is a schematic view showing the overall structure of an optical fiber preform positioning device according to an embodiment of the present utility model;
FIG. 3 is a schematic view showing a partial structure of a fixing device according to an embodiment of the present utility model;
fig. 4 is a schematic partial structure of a limiting device according to an embodiment of the present utility model.
Reference numerals illustrate:
1. a wire drawing machine body; 11. a cavity; 12. a slip groove; 2. a rod body; 21. a cover plate; 22. sealing cover; 3. a fixing device; 31. a sleeve; 311. an annular groove; 32. a clamping member; 321. a first jaw; 322. a second jaw; 323. a first driving member; 3231. a first movable block; 324. a second driving member; 3241. a second movable block; 325. a positioning card; 3251. a positioning block; 3252. a positioning groove; 326. pushing the disc; 3261. a pushing groove; 3262. a pushing member; 4. an adjusting device; 41. a laser detector; 5. a limiting device; 51. limiting slide ways; 511. a V-shaped clamping groove; 512. entering the notch; 513. a sliding block; 52. a slideway moving part; 521. a rotating motor; 522. the screw is driven.
Detailed Description
The utility model will be described in further detail below with reference to the drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
The utility model provides an optical fiber perform positioner, as shown in fig. 1 and 3, including wire drawing organism 1 and body 2, the top is provided with furnace chamber 11 in the wire drawing organism 1, body 2 hangs the setting in furnace chamber 11 through fixing device 3, still include adjusting device 4 and stop device 5, fixing device 3 includes sleeve 31 and clamping piece 32, sleeve 31 cover is established in body 2 outside and joint setting on body 2 tops, clamping piece 32 includes first clamping jaw 321 and second clamping jaw 322, be the ring form and just press from both sides tight sleeve 31 after first clamping jaw 321 and second clamping jaw 322 cooperation installation, first clamping jaw 321 positioning rotation installs in wire drawing organism 1, the internal diameter of first clamping jaw 321 and second clamping jaw 322 is unanimous with the external diameter of sleeve 31. The limiting device 5 is arranged at the inner bottom of the wire drawing machine body 1, the limiting device 5 comprises a limiting slideway 51 and a slideway moving part 52, and the slideway moving part 52 drives the limiting slideway 51 to transversely slide and be arranged in the wire drawing machine body 1.
The adjusting device 4 comprises a plurality of laser detectors 41, wherein the laser detectors 41 are arranged on two adjacent inner side walls of the wire drawing machine body 1 in pairs, and the laser detectors 41 in pairs are symmetrically arranged about the axis of the furnace chamber 11. The laser detectors 41 are arranged in eight, four are arranged on a single side wall, two laser detectors 41 on the single side wall are symmetrically arranged at the position, close to the top, of the rod body 2, two laser detectors 41 on the single side wall are symmetrically arranged at the position, close to the bottom, of the rod body 2, and the laser detectors 41 on the other side wall are also arranged identically. The laser detector 41 adopts PLC control, and control is convenient and long service life, in order to promote the suitability of this adjusting device 4, can increase displacement subassembly for laser detector 41, control bilateral symmetry's laser detector 41 is close to or keeps away from according to the stick body 2 diameter, can also increase the lifting unit for two relative laser detector 41 in bottom, carries out the lift operation according to the laser detector 41 of wire drawing progress control bottom.
The setting adjusting device 4 cooperates with the fixing device 3 to realize accurate automatic adjustment of the position deviation of the rod body 2, thereby ensuring the perpendicularity and the collimation degree of the rod after rod hanging, effectively improving the subsequent production efficiency, reducing the product rejection rate and realizing the operation of intelligently adjusting the rod body 2.
As shown in fig. 1, positioning cards 325 are disposed on the open end surfaces of the first clamping jaw 321 and the second clamping jaw 322, the positioning cards 325 include a positioning block 3251 disposed on the open end surface of the second clamping jaw 322 and a positioning groove 3252 disposed on the open end surface of the first clamping jaw 321, and the positioning block 3251 is matched with the positioning groove 3252, so that two ends of the first clamping jaw 321 and the second clamping jaw 322 are matched and clamped, and the rod body 2 is prevented from falling in the wire drawing process.
As shown in fig. 2 and 3, the clamping member 32 further includes a first driving member 323 and a second driving member 324, where the first driving member 323 is fixed on the top of the drawing machine body 1, the first driving member 323 drives the first clamping jaw 321 to rotate in the drawing machine body 1, the second driving member 324 is fixed on the rear side wall of the drawing machine body 1, and the second driving member 324 drives the second clamping jaw 322 to slide longitudinally in the drawing machine body 1. The first driving piece 323 drives the first clamping jaw 321 to rotate, so that an opening of the first clamping jaw 321 faces to the outer side, the rod body 2 on the rod hanging vehicle can be conveniently transferred, the rod body 2 is placed on one side far away from the wire drawing machine body 1, the safety of workers is improved, the first clamping jaw 321 and the second clamping jaw 322 clamp the rod body 2 and the sleeve 31, the initial state of the rod body 2 can be relatively vertical, the subsequent adjustment steps are reduced, and fine adjustment is only needed.
The first driving piece 323 is connected with the first clamping jaw 321 through a first movable block 3231, and the first clamping jaw 321 is in spherical hinge connection with the first movable block 3231; the second driving member 324 is connected with the second clamping jaw 322 through a second movable block 3241, and the second clamping jaw 322 is in ball hinge connection with the second movable block 3241. The first clamping jaw 321, the first movable block 3231, the second clamping jaw 322 and the second movable block 3241 which are connected through the spherical hinge do not influence the pushing and rotating operation of the clamping jaw, and structural interference is avoided.
As shown in fig. 2 and 3, pushing discs 326 are provided on the top of the first clamping jaw 321 and the second clamping jaw 322 in an extending manner, a plurality of pushing grooves 3261 are provided on the upper surface of the pushing discs 326, a plurality of pushing members 3262 are fixed on the top of the wire drawing machine body 1, the pushing members 3262 are arranged corresponding to the pushing grooves 3261, and the pushing members 3262 are arranged in a circumferential array with respect to the rod body 2. The pushing disc 326 is provided with a pushing groove 3261 and a pushing piece 3262, when the rod body 2 generates an offset error, the laser detector 41 detects a position offset shielding signal to perform signal feedback, and the corresponding pushing piece 3262 is started according to the signal feedback result to push the pushing disc 326 at the high position in the inclined state, so that the pushing disc 326 is pushed to be horizontal, and the rod body 2 is controlled to be always in the vertical state. Even if the centers of the first clamping jaw 321 and the second clamping jaw 322 are not concentric and coaxial with the axis of the rod body 2 after the rod body 2 is clamped by the first clamping jaw 321 and the second clamping jaw 322, the purpose of vertically arranging the rod body 2 can be achieved by gradually adjusting the pushing disc 326, so that the problem that whether the centers of the first clamping jaw 321 and the second clamping jaw 322 are coaxial with the rod body 2 after the rod body 2 is clamped can be solved.
As shown in fig. 1, 2 and 3, a cover plate 21 is further disposed between the top of the rod body 2 and the wire drawing machine body 1, a sealing cover 22 is further disposed between the bottom of the sleeve 31 and the rod body 2, an annular groove 311 for clamping by a clamping piece 32 is disposed on the outer wall of the sleeve 31, the cover plate 21 is disposed between the rod body 2 and the wire drawing machine body 1, and the sealing cover 22 is disposed between the sleeve 31 and the rod body 2, so that the rod body 2 is ensured not to generate air leakage at the central position of the furnace of the wire drawing machine body 1, and the air leakage condition of the furnace mouth is prevented.
As shown in fig. 1 and fig. 4, the limiting slide way 51 is arc-shaped, the center of the limiting slide way 51 corresponds to the rotation center of the first clamping jaw 321, a V-shaped clamping groove 511 is formed in the limiting slide way 51, and an entering notch 512 is further formed in the side wall, close to one end, of the limiting slide way 51. Spacing slip is rotatory along with first clamping jaw 321 at the body 2 and is provided support spacing for body 2, ensures that body 2 top can be pressed from both sides tightly smoothly by first clamping jaw 321 and second clamping jaw 322, and V type draw-in groove 511 is convenient for cooperate chucking body 2 bottom, and entering breach 512 is convenient for body 2 directly gets into spacing slide 51 from the hanging bar car to follow-up first clamping jaw 321 clamp rotation of being convenient for.
The two sides of the bottom of the wire drawing machine body 1 are provided with sliding grooves 12 for sliding of the limiting sliding ways 51, the bottom of the limiting sliding ways 51 is provided with sliding blocks 513 corresponding to the sliding grooves 12, the sliding way moving parts 52 comprise rotating motors 521 and driving screws 522, the driving screws 522 are in threaded connection with the sliding blocks 513 and are arranged in the sliding grooves 12 along the length direction of the sliding grooves 12, the sliding blocks 513 are sleeved on the driving screws 522, and the rotating motors 521 drive the driving screws 522 to rotate. The limiting slideway 51 is controlled to slide by the slideway moving part 52, before the rod hanging operation, the rotating motor rotates to drive the driving screw 522 to rotate, the limiting slideway 51 is controlled to be close to the center of the wire drawing machine body 1, and then the rod body 2 enters the limiting sliding and then rotates the first clamping jaw 321; after the rod body 2 is smoothly clamped by the first clamping jaw 321 and the second clamping jaw 322, the limiting slide way 51 is far away from the rod body 2, so that the wire drawing operation at the bottom of the rod body 2 is prevented from being influenced.
The working principle and the using method of the optical fiber preform positioning device are as follows: firstly, rod hanging operation is carried out, the opening of the first clamping jaw 321 faces to the outer side, the rod body 2 is placed on the side far away from the wire drawing machine body 1, at the moment, the limiting slideway 51 is close to the center of the wire drawing machine body 1, then the first clamping jaw 321 is rotated and the second clamping jaw 322 is controlled to be close, and the first clamping jaw and the second clamping jaw are clamped with each other, so that rod hanging operation is realized; according to the feedback result of the laser detector 41, the rod body 2 is adjusted, the perpendicularity and the collimation degree of the rod after hanging the rod are guaranteed, and at the moment, the limiting slide way 51 is far away from the center of the wire drawing machine body 1, so that the wire drawing operation at the bottom of the rod body 2 is prevented from being influenced.
While the foregoing description illustrates and describes the preferred embodiments of the present utility model, as noted above, it is to be understood that the utility model is not limited to the forms disclosed herein but is not to be construed as excluding other embodiments, and that various other combinations, modifications and environments are possible and may be made within the scope of the inventive concepts described herein, either by way of the foregoing teachings or by those of skill or knowledge of the relevant art. And that modifications and variations which do not depart from the spirit and scope of the utility model are intended to be within the scope of the appended claims.

Claims (8)

1. The utility model provides an optical fiber perform positioning device, includes wire drawing organism (1) and barred body (2), top is provided with furnace chamber (11) in wire drawing organism (1), barred body (2) hang and set up in furnace chamber (11), its characterized in that still includes:
the fixing device (3), fixing device (3) connect stick body (2) top and wire drawing organism (1), fixing device (3) include sleeve (31) and clamping piece (32), sleeve (31) cover are established in stick body (2) outside and joint setting are on stick body (2) top, clamping piece (32) include first clamping jaw (321) and second clamping jaw (322), first clamping jaw (321) and second clamping jaw (322) cooperation installation are the ring form, first clamping jaw (321) location rotation is installed in wire drawing organism (1), the internal diameter of first clamping jaw (321) and second clamping jaw (322) is unanimous with the external diameter of sleeve (31);
the adjusting device (4) is arranged in the wire drawing machine body (1), the adjusting device (4) comprises a plurality of laser detectors (41), the laser detectors (41) are arranged on two adjacent inner side walls of the wire drawing machine body (1) in pairs, and the laser detectors (41) in pairs are symmetrically arranged about the axis of the furnace chamber (11);
the limiting device (5), limiting device (5) sets up in wire drawing organism (1) bottom, limiting device (5) are including spacing slide (51) and slide moving piece (52), slide moving piece (52) drive spacing slide (51) transversely slide and set up in wire drawing organism (1).
2. The optical fiber preform positioning device according to claim 1, wherein the clamping member (32) further comprises a first driving member (323) and a second driving member (324), the first driving member (323) is fixed at the top of the drawing machine body (1), the first driving member (323) drives the first clamping jaw (321) to rotate in a positioning manner in the drawing machine body (1), the second driving member (324) is fixed on the side wall of the drawing machine body (1), and the second driving member (324) drives the second clamping jaw (322) to longitudinally slide and be arranged in the drawing machine body (1).
3. The optical fiber preform positioning device according to claim 2, wherein the first driving member (323) is connected with the first clamping jaw (321) through a first movable block (3231), and the first clamping jaw (321) is in spherical hinge connection with the first movable block (3231); the second driving piece (324) is connected with the second clamping jaw (322) through a second movable block (3241), and the second clamping jaw (322) is in spherical hinge connection with the second movable block (3241).
4. A preform alignment device according to claim 3, wherein the first clamping jaw (321) and the second clamping jaw (322) are provided with positioning cards (325) on the open end surfaces, and the positioning cards (325) comprise positioning blocks (3251) arranged on the open end surfaces of the second clamping jaw (322) and positioning grooves (3252) arranged on the open end surfaces of the first clamping jaw (321).
5. The optical fiber preform positioning device according to claim 4, wherein the top parts of the first clamping jaw (321) and the second clamping jaw (322) are respectively provided with a pushing disc (326) in an extending mode, a plurality of pushing grooves (3261) are formed in the upper surface of the pushing disc (326), a plurality of pushing pieces (3262) are fixed to the top part of the wire drawing machine body (1), the pushing pieces (3262) are arranged corresponding to the pushing grooves (3261), and the pushing pieces (3262) are arranged in a circumferential array with respect to the rod body (2).
6. The optical fiber preform positioning device according to claim 5, wherein a cover plate (21) is further arranged between the top of the rod body (2) and the wire drawing machine body (1), a sealing cover (22) is further arranged between the bottom of the sleeve (31) and the rod body (2), and an annular groove (311) for clamping by a clamping piece (32) is formed in the outer wall of the sleeve (31).
7. The optical fiber preform positioning device according to claim 1, wherein the limiting slide way (51) is arc-shaped, the center of the limiting slide way corresponds to the rotation center of the first clamping jaw (321), a V-shaped clamping groove (511) is formed in the limiting slide way (51), and an entering notch (512) is further formed in the side wall, close to one end, of the limiting slide way (51).
8. The optical fiber preform positioning device according to claim 7, wherein sliding grooves (12) for sliding a limiting sliding rail (51) are formed in two sides of the bottom of the wire drawing machine body (1), sliding blocks (513) corresponding to the sliding grooves (12) are arranged at the bottoms of the limiting sliding rails (51), the sliding rail moving parts (52) comprise rotating motors (521) and driving screws (522), the driving screws (522) are in threaded connection with the sliding blocks (513) and are arranged in the sliding grooves (12) along the length direction of the sliding grooves (12), the sliding blocks (513) are sleeved on the driving screws (522), and the rotating motors (521) drive the driving screws (522) to rotate.
CN202223384038.2U 2022-12-16 2022-12-16 Optical fiber perform positioning device Active CN219363513U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223384038.2U CN219363513U (en) 2022-12-16 2022-12-16 Optical fiber perform positioning device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223384038.2U CN219363513U (en) 2022-12-16 2022-12-16 Optical fiber perform positioning device

Publications (1)

Publication Number Publication Date
CN219363513U true CN219363513U (en) 2023-07-18

Family

ID=87118024

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223384038.2U Active CN219363513U (en) 2022-12-16 2022-12-16 Optical fiber perform positioning device

Country Status (1)

Country Link
CN (1) CN219363513U (en)

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