CN114131506A - Clamping device and processing equipment for regular polygonal prism optical fiber cladding glass tube - Google Patents
Clamping device and processing equipment for regular polygonal prism optical fiber cladding glass tube Download PDFInfo
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- CN114131506A CN114131506A CN202111434087.XA CN202111434087A CN114131506A CN 114131506 A CN114131506 A CN 114131506A CN 202111434087 A CN202111434087 A CN 202111434087A CN 114131506 A CN114131506 A CN 114131506A
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- glass tube
- optical fiber
- central shaft
- clamping device
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/067—Work supports, e.g. adjustable steadies radially supporting workpieces
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- 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
- C03B37/01205—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments
- C03B37/01225—Means for changing or stabilising the shape, e.g. diameter, of tubes or rods in general, e.g. collapsing
- C03B37/01228—Removal of preform material
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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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- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention discloses a clamping device and processing equipment for a regular polygon prism optical fiber cladding glass tube, wherein the clamping device comprises a central shaft assembly, an adjusting wheel and a bearing seat, the bearing seat is provided with a concave supporting part, the central shaft assembly is matched and positioned with a central hole of the optical fiber cladding glass tube through the central shaft assembly, the adjusting wheel is fixedly connected with a central shaft, the adjusting wheel is in a regular polygon prism shape, the supporting part of the bearing seat is matched with the adjusting wheel so as to support the central shaft assembly and the optical fiber cladding glass tube, the adjusting wheel is loosened when one prism plane of the optical fiber cladding glass tube is processed, the adjusting wheel is rotated by a preset angle to drive the optical fiber cladding glass tube to rotate by a preset angle, namely, the other prism plane can be processed, the adjusting wheel can be closely contacted and positioned with the prism plane of the supporting part when the adjusting wheel rotates every time, the optical fiber cladding glass tube is ensured not to deviate, compared with the existing processing method, the method can effectively improve the processing precision, and is used in the field of optical fiber production and manufacturing.
Description
Technical Field
The invention relates to the field of optical fiber production and manufacturing, in particular to a clamping device and processing equipment for a regular polygonal optical fiber cladding glass tube.
Background
In the technical field of special optical fiber manufacturing, an optical fiber preform is usually manufactured by using a sleeve method, a used glass tube is generally a cylindrical tube, and the cylindrical tube can be formed by manual stretch-draw forming or mechanical stretch-draw forming in a material melting stage. However, in some special optical fiber technologies, such as the optical fiber image transmission element technology, it is necessary to manufacture an optical fiber with a regular hexagonal prism cladding to reduce the gap of the optical fiber array, and at this time, it is necessary to manufacture an optical fiber cladding glass tube with a hexagonal prism outer shape for manufacturing an optical fiber preform.
The precision of the prefabricated rod is very critical to the precision control of the final optical fiber size, and the traditional thermal forming processing method of the cylindrical glass tube has low processing precision and cannot meet the precision requirement of the optical fiber cladding glass tube with the regular polygon prism shape. However, most of the existing polygon prism processing methods are directed at solid polygon prisms, and it is difficult to process a regular polygon prism glass tube with satisfactory dimensional accuracy by adopting the traditional polygon prism optical processing method, and the center of the outer cylindrical surface and the center of the inner hole are easy to deviate, so that the processed edge is not in a regular polygon prism shape.
Disclosure of Invention
The invention aims to solve at least one technical problem in the prior art, and provides a clamping device and processing equipment for a regular polygonal column optical fiber cladding glass tube, which can improve the processing precision.
According to an embodiment of the first aspect of the present invention, there is provided a clamping device for a regular polygonal prism fiber clad glass tube, comprising:
the central shaft assembly is used for being matched and positioned with the central hole of the optical fiber cladding glass tube and comprises a central shaft;
the adjusting wheel is fixed on the central shaft and is in a regular polygonal prism shape, and the regular polygonal prism shape is used for being the same as the shape of the optical fiber cladding glass tube to be processed; and
the bearing seat is used for supporting the adjusting wheel, a concave supporting part is arranged on the bearing seat, the supporting part comprises a plurality of prismatic surfaces matched with the adjusting wheel, and the adjusting wheel can be closely contacted and positioned with the prismatic surfaces of the supporting part every time the adjusting wheel rotates by a preset angle.
The clamping device for the regular polygonal column optical fiber cladding glass tube at least has the following beneficial effects: the central shaft component is matched and positioned with the central hole of the optical fiber cladding glass tube, so that the central line of the central shaft and the central line of the optical fiber cladding glass tube are on the same straight line, the adjusting wheel and the bearing seat are arranged, the adjusting wheel is fixedly connected with the central shaft and is in a regular polygon prism shape which is the same as the shape of the optical fiber cladding glass tube to be processed, the supporting part of the bearing seat is matched with the adjusting wheel, so that the central shaft component and the optical fiber cladding glass tube are supported, then the adjusting wheel is clamped and fixed, the optical fiber cladding glass tube is clamped, the adjusting wheel is loosened when one prism plane of the optical fiber cladding glass tube is processed, the adjusting wheel is rotated by a preset angle to drive the optical fiber cladding glass tube to rotate by a preset angle, another prism plane can be processed, the adjusting wheel can be closely contacted and positioned with the prism surface of the supporting part when each time of rotation, and the optical fiber glass tube is ensured not to be deviated, and analogizing in sequence until all prism planes are processed, compared with the existing processing method, the processing precision can be effectively improved, and the irregular polygon prism shape is avoided.
According to the clamping device for the regular-polygon-prism-shaped optical fiber cladding glass tube, which is disclosed by the embodiment of the first aspect of the invention, the clamping device for the regular-polygon-prism-shaped optical fiber cladding glass tube comprises a pressing block, and the pressing block is used for pressing the adjusting wheel on the supporting part.
According to the clamping device for the regular polygon prism optical fiber cladding glass tube, the pressing block is rotatably connected with the bearing seat, the adjusting wheel is provided with the annular first groove, the pressing block is provided with the raised rib plate, and the rib plate is clamped with the first groove.
According to the clamping device for the regular-polygon-prism-shaped optical fiber cladding glass tube, the central shaft assembly further comprises two tensioning sleeves, the central shaft comprises a central shaft section and conical sections arranged on two sides of the central shaft section, the central shaft section is used for penetrating through the optical fiber cladding glass tube, inner conical holes matched with the conical sections are formed in the tensioning sleeves, and the tensioning sleeves are used for tensioning and fixing the inner wall of the optical fiber cladding glass tube.
According to the clamping device for the regular-polygon-prism-shaped optical fiber cladding glass tube, the central shaft assembly further comprises a plurality of rubber rings, a plurality of annular second grooves are formed in the tensioning sleeve, the rubber rings are embedded with the second grooves, and the outer diameter of each rubber ring is larger than that of the tensioning sleeve.
According to the clamping device for the regular-polygon-prism-shaped optical fiber cladding glass tube, the central shaft comprises a first thread section arranged on the outer side of two conical sections, the central shaft assembly comprises an adjusting nut, the adjusting nut is matched with the first thread section, and the adjusting nut is used for pressing the tensioning sleeve to adjust the tensioning force of the tensioning sleeve.
According to the clamping device for the regular-polygon-prism-shaped optical fiber cladding glass tube, according to the embodiment of the first aspect of the invention, the outer side of the first thread section on the central shaft is provided with the assembling section, the diameter of the assembling section is smaller than that of the first thread section, the adjusting wheel is matched with the assembling section, the outer side of the assembling section is provided with the second thread section, the diameter of the second thread section is smaller than that of the assembling section, the central shaft assembly comprises the locking nut, and the locking nut is matched with the second thread section to lock and fix the adjusting wheel.
The clamping device for the regular-polygonal-prism-shaped optical fiber cladding glass tube comprises a base, two bearing seats are arranged on the base, and one or two bearing seats are movably arranged on the base to adjust the distance between the two bearing seats.
According to the embodiment of the second aspect of the invention, the processing equipment for the regular-polygonal-prism-shaped optical fiber cladding glass tube comprises a grinding device and the clamping device for the regular-polygonal-prism-shaped optical fiber cladding glass tube, wherein the clamping device for the regular-polygonal-prism-shaped optical fiber cladding glass tube is used for clamping the optical fiber cladding glass tube, and the grinding device is used for grinding the optical fiber cladding glass tube.
The processing equipment for the regular-polygon-prism-shaped optical fiber cladding glass tube comprises a sucking disc which can move transversely or rotationally, and the clamping device for the regular-polygon-prism-shaped optical fiber cladding glass tube is fixed on the sucking disc.
Drawings
The invention is further described below with reference to the accompanying drawings and examples;
FIG. 1 is a schematic structural view of a clamping device for a regular polygonal prism fiber cladding glass tube according to an embodiment of the present invention;
FIG. 2 is a side view of a clamping device for a regular polygonal prism fiber-clad glass tube according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a mandrel in an embodiment of the present invention;
FIG. 4 is a schematic structural view of a final-formed regular-polygonal optical-fiber clad glass tube according to an embodiment of the present invention;
FIG. 5 is a side view of a regular polygonal prism fiber-clad glass tube according to an embodiment of the present invention;
FIG. 6 is a schematic structural view of a clamping device for a regular polygonal prism fiber-clad glass tube according to an embodiment of the present invention, wherein the fiber-clad glass tube is clamped on the clamping device;
FIG. 7 is a side view of a clamping device for a regular polygonal prism fiber-clad glass tube according to an embodiment of the present invention, wherein the fiber-clad glass tube is clamped on the clamping device;
FIG. 8 is a schematic structural view of a processing apparatus for a regular polygonal prism fiber clad glass tube according to an embodiment of the present invention;
FIG. 9 is a schematic structural view of a processing apparatus for a regular polygonal prism-shaped optical fiber clad glass tube according to another embodiment of the present invention;
FIG. 10 is a top view of a processing apparatus for a regular polygonal prism fiber-clad glass tube according to another embodiment of the present invention;
reference numerals: the optical fiber cladding glass tube comprises a central shaft assembly 100, a central shaft 110, a central shaft section 111, a conical section 112, a first threaded section 113, an assembling section 114, a second threaded section 115, a tensioning sleeve 120, a rubber ring 130, an adjusting nut 140, a locking nut 150, an adjusting wheel 200, a first groove 210, a bearing seat 300, a supporting part 310, a base 400, a pressing block 500, a rib plate 510, a grinding device 600, a suction cup 700 and an optical fiber cladding glass tube 800.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1 to 7, an embodiment of the present invention provides a clamping device for a regular polygonal prism fiber-clad glass tube, including a central shaft assembly 100, two adjusting wheels 200, and two bearing seats 300, wherein the central shaft assembly 100 is configured to be positioned in cooperation with a central hole of a fiber-clad glass tube 800, and the central shaft assembly 100 includes a central shaft 110; the adjusting wheel 200 is fixed on the central shaft 110, the adjusting wheel 200 is in a regular polygonal column shape, and the regular polygonal column shape is the same as the shape (the shape of final forming) of the optical fiber cladding glass tube 800 to be processed; the bearing seat 300 is used for supporting the adjusting wheel 200, a concave supporting part 310 is arranged on the bearing seat 300, the supporting part 310 comprises a plurality of prismatic surfaces matched with the adjusting wheel 200, the adjusting wheel 200 can be closely contacted and positioned with the prismatic surfaces of the supporting part 310 when the adjusting wheel 200 rotates by a preset angle, and the preset angle is 360 degrees/the number of prisms in the shape of a regular polygon prism.
The clamping device of the embodiment is used for processing and clamping the optical fiber cladding glass tube 800, the central shaft assembly 100 is matched and positioned with the central hole of the optical fiber cladding glass tube 800, so that the central line of the central shaft 110 and the central line of the optical fiber cladding glass tube 800 are on the same straight line, in addition, the adjusting wheel 200 and the bearing seat 300 are arranged, wherein the adjusting wheel 200 is fixedly connected with the central shaft 110, the adjusting wheel 200 is in a regular polygon prism shape which is the same as the shape of the optical fiber cladding glass tube 800 to be processed, the supporting part 310 of the bearing seat 300 is matched with the adjusting wheel 200, so that the central shaft assembly 100 and the optical fiber cladding glass tube 800 are supported, then the adjusting wheel 200 is clamped and fixed, the clamping of the optical fiber cladding glass tube 800 is realized, when one prism plane of the optical fiber cladding glass tube 800 is processed, the adjusting wheel 200 is loosened, the adjusting wheel 200 is manually rotated by a preset angle, and the optical fiber cladding glass tube 800 rotates by a preset angle, the other prism plane can be processed, the adjusting wheel 200 can be in close contact with and positioned on the prism plane of the supporting part 310 every time the adjusting wheel rotates, the optical fiber cladding glass tube 800 is ensured not to deviate, and the process is repeated until all prism planes are processed.
By positioning the central shaft assembly 100 and the fiber-clad glass tube 800 in a matching manner and then clamping the central shaft assembly 100, it can be ensured that the original center line of the fiber-clad glass tube 800 is still coincident with the center line of the central shaft 110 although the shape of the fiber-clad glass tube 800 is changed when the fiber-clad glass tube 800 is machined with one prism plane in the machining process.
It is understood that the regular polygonal shape of the adjusting wheel 200 is the same as the shape of the fiber-clad glass tube 800 to be processed, which means that the included angle between two adjacent prism side surfaces of the adjusting wheel 200 is the same as the included angle between two adjacent prism side surfaces of the fiber-clad glass tube 800 to be processed, and the sizes can be scaled by multiples.
It can be understood that, the adjusting wheels 200 can be arranged as one or two according to the requirement, when the adjusting wheels 200 are arranged as one, the adjusting wheels 200 are fixed at one end of the central shaft 110, the other end of the central shaft 110 is provided with a supporting seat with the same height as the central height of the adjusting wheels 200, and the central shaft 110 and the optical fiber cladding glass tube 800 are adjusted to rotate through the single-end adjusting wheel 200, so as to realize the processing of different prism planes.
In this embodiment, there are two adjusting wheels 200, and the two adjusting wheels 200 are fixed at two ends of the central shaft 110; correspondingly, there are two bearing seats 300, and the clamping device further comprises a base 400, wherein one or two bearing seats 300 can be movably arranged on the base 400 to adjust the distance between the two bearing seats 300, so that the clamping device can be suitable for clamping and processing the optical fiber cladding glass tubes 800 with different lengths. Specifically, a waist-shaped groove is formed in the base 400, and the two bearing seats 300 are slidably connected to the waist-shaped groove and locked and fixed by bolts to move and adjust positions.
Referring to fig. 1 and 2, in some embodiments, the clamping device includes a pressing block 500, and the pressing block 500 is used for pressing the adjusting wheel 200 onto the supporting portion 310 of the bearing seat 300, so as to prevent the central shaft assembly 100 and the fiber-clad glass tube 800 from moving up and down or axially due to the processing force during the subsequent processing; the pressing block 500 is loosened, the adjusting wheel 200 can be loosened, and the adjusting wheel 200 can be manually adjusted to rotate.
Further, the pressing block 500 is rotatably connected with the bearing seat 300, and is particularly connected with the bearing seat through a hinge, so that the operation is facilitated, the adjusting wheel 200 is provided with an annular first groove 210, the pressing block 500 is provided with a raised rib plate 510, the rib plate 510 is arc-shaped, and the rib plate 510 is clamped with the first groove 210. Because the adjusting wheel 200 is in a regular polygon prism shape, the pressing block 500 is difficult to be in complete contact with the adjusting wheel 200, and the pressing contact area can be increased and the pressing effect can be ensured by clamping the convex rib plates 510 arranged on the pressing block 500 with the annular first grooves 210 arranged on the adjusting wheel 200; after the pressing block 500 compresses the adjusting wheel 200, the adjusting wheel can be locked and fixed through bolts.
Since the optical fiber clad glass tube 800 has a long length, the inner surface of the optical fiber clad glass tube 800 is easily damaged if the optical fiber clad glass tube is directly in contact with the inner hole of the optical fiber clad glass tube 800 through the central axis 110.
Referring to fig. 1, in some embodiments, the central shaft assembly 100 further includes two tensioning sleeves 120, the central shaft 110 includes a central shaft section 111 and two conical sections 112 disposed at two sides of the central shaft section 111, the diameter of the central shaft section 111 is smaller than the inner hole of the optical fiber clad glass tube 800, the central shaft section 111 penetrates through the optical fiber clad glass tube 800, the tensioning sleeves 120 are provided with inner conical holes matched with the conical sections 112, and the tensioning sleeves 120 are used for tensioning and fixing the inner wall of the optical fiber clad glass tube 800. The relative fixation and centering of the fiber-clad glass tube 800 and the central shaft 110 are realized by the tensioning sleeves 120 at both ends in a tensioning manner.
In some embodiments, the central shaft assembly 100 further includes a plurality of rubber rings 130, the rubber rings 130 are made of a soft material, such as rubber, the tensioning sleeve 120 is provided with a plurality of annular second grooves, the rubber rings 130 are embedded in the second grooves, and an outer diameter of the rubber rings 130 is larger than that of the tensioning sleeve 120. The rubber ring 130 can improve the tension force and avoid slipping when the tension sleeve 120 tensions and fixes the optical fiber cladding glass tube 800, and the rubber ring 130 is made of a soft material and can protect the inner wall of the optical fiber cladding glass tube 800.
Referring to fig. 3, further, the central shaft 110 includes a first threaded section 113 disposed outside the two tapered sections 112, and the central shaft assembly 100 includes an adjustment nut 140, the adjustment nut 140 is engaged with the first threaded section 113, the adjustment nut 140 is used for pressing the tension sleeve 120, and adjusting the position where the tension sleeve 120 is engaged with the tapered sections 112 on the central shaft 110, so as to adjust the tension of the tension sleeve 120.
In some embodiments, the central shaft 110 is provided with a fitting section 114 on the outer side of the first thread section 113, the diameter of the fitting section 114 is smaller than that of the first thread section 113, the adjusting wheel 200 is engaged with the fitting section 114, the outer side of the fitting section 114 is provided with a second thread section 115, the diameter of the second thread section 115 is smaller than that of the fitting section 114, the central shaft assembly 100 includes a locking nut 150, and the locking nut 150 is engaged with the second thread section 115 to lock and fix the adjusting wheel 200.
Referring to fig. 8 to 10, an embodiment of the present invention further provides a processing apparatus for a regular polygonal prism fiber clad glass tube, including a grinding device 600 and the above-mentioned clamping device for a regular polygonal prism fiber clad glass tube, wherein the fiber clad glass tube 800 is clamped and fixed by the clamping device, and the fiber clad glass tube 800 is ground by the grinding device 600 to form a regular polygonal shape.
In some embodiments, the processing apparatus further comprises a suction cup 700 that is laterally movable or rotationally movable, and the clamping device is fixed to the suction cup 700. Specifically, the suction cup 700 is an electromagnetic suction cup, the base 400 of the clamping device has magnetism, and the suction cup 700 fixes the clamping device in an electromagnetic adsorption mode.
The grinding wheel of the grinding device 600 performs autorotation motion, when the grinding wheel is processed, the processing surface of the optical fiber cladding glass tube 800 faces upwards and is in contact with the grinding wheel, the grinding wheel feeds downwards to process a prismatic plane, and the following two grinding schemes can be adopted: the operation mode of the suction cup 700 is a lateral reciprocating movement, see fig. 8; or the action mode of the suction cup 700 is a rotating motion, and both grinding schemes can realize the grinding processing of the prism plane by referring to fig. 9 and 10.
The working process of the clamping device and the processing equipment for the fiber-clad glass tube 800 of the present embodiment is as follows (here, the regular 24 prism is taken as an example and is not limited to the regular 24 prism, the number of prisms is set according to actual needs, and because the number of prisms is large, the adjusting wheel 200 and the supporting portion 310 of the bearing seat 300 in fig. 2 look like a circular arc, but actually, a plurality of prism surfaces are connected in sequence):
clamping the optical fiber cladding glass tube 800 by a clamping device, wherein the regulating wheel 200 in a regular 24-prism shape and the bearing seat 300 matched with the regulating wheel are processed and manufactured in advance, and the number of the prism surfaces of the supporting part 310 on the bearing seat 300 is approximately half of that of a regular polygon prism, namely approximately 12; manufacturing a central shaft 110 with corresponding length and outer diameter according to the length and inner hole size of the optical fiber cladding glass tube 800, wherein the length of two ends of two conical sections 112 on the central shaft 110 is consistent with the length of the optical fiber cladding glass tube 800, the diameter of the central shaft section 111 is smaller than the inner diameter of the optical fiber cladding glass tube 800, and the distance between the two bearing seats 300 is adjusted according to the length of the optical fiber cladding glass tube 800; clamping the optical fiber cladding glass tube 800, firstly penetrating the central shaft 110 through the optical fiber cladding glass tube 800, then embedding the two tensioning sleeves 120 into two ends of the optical fiber cladding glass tube 800, matching an inner taper hole of the tensioning sleeve 120 with a taper section 112 of the central shaft 110, installing and screwing the adjusting nut 140, opening the two tensioning sleeves 120 in a radial direction through taper surface matching, and pressing an inner hole wall of the optical fiber cladding glass tube 800 through a rubber ring 130 on the tensioning sleeve 120, wherein at the moment, the centers of the central shaft 110, the tensioning sleeve 120 and the optical fiber cladding glass tube 800 are overlapped, so that the original central position of the optical fiber cladding glass tube 800 is kept unchanged in a subsequent processing process, and the coaxiality of the inner hole of the optical fiber cladding glass tube 800 and a regular polygonal surface processed on the outer wall is ensured; sleeving the adjusting wheel 200 into the assembling section 114 of the central shaft 110, installing the locking nut 150, then placing the adjusting wheel 200 into the bearing seat 300 to enable the adjusting wheel 200 to be completely matched with the supporting part 310 on the bearing seat 300, screwing the locking nut 150 to fix the position of the adjusting wheel 200, finally closing the pressing block, pressing the adjusting wheel 200 on the bearing seat 300, and completing clamping of the optical fiber cladding glass tube 800; the whole clamping device is placed on the sucker 700, and the base 400 of the clamping device is fixed through electric suction; the grinding device 600 works, after finishing the processing of one prism plane according to the design size, the pressing block is loosened, the adjusting wheel 200 is manually rotated, the rotation angle is 360 °/24 ═ 15 °, the adjusting wheel 200 is still in close contact with the supporting part 310 of the bearing seat 300, the optical fiber cladding glass tube 800 rotates 15 ° with the rotation angle, the pressing block 500 is buckled again, and the processing of another prism plane is continued; and the grinding processing of 24 prism planes is successively finished by analogy.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (10)
1. A clamping device for a regular polygonal prism fiber clad glass tube, comprising:
the central shaft assembly is used for being matched and positioned with the central hole of the optical fiber cladding glass tube and comprises a central shaft;
the adjusting wheel is fixed on the central shaft and is in a regular polygonal prism shape, and the regular polygonal prism shape is used for being the same as the shape of the optical fiber cladding glass tube to be processed; and
the bearing seat is used for supporting the adjusting wheel, a concave supporting part is arranged on the bearing seat, the supporting part comprises a plurality of prismatic surfaces matched with the adjusting wheel, and the adjusting wheel can be closely contacted and positioned with the prismatic surfaces of the supporting part every time the adjusting wheel rotates by a preset angle.
2. The clamping device for a regular polygonal prism fiber-clad glass tube according to claim 1, wherein: the clamping device for the regular polygonal column optical fiber cladding glass tube comprises a pressing block, and the pressing block is used for pressing the adjusting wheel on the supporting part.
3. The clamping device for a regular polygonal prism fiber-clad glass tube according to claim 2, wherein: the pressing block is rotatably connected with the bearing seat, an annular first groove is formed in the adjusting wheel, a raised rib plate is arranged on the pressing block, and the rib plate is clamped with the first groove.
4. The clamping device for a regular polygonal pillar optical fiber clad glass tube according to any one of claims 1 to 3, wherein: the central shaft assembly further comprises two tensioning sleeves, the central shaft comprises a central shaft section and conical sections arranged on two sides of the central shaft section, the central shaft section is used for penetrating through the optical fiber cladding glass tube, inner conical holes matched with the conical sections are formed in the tensioning sleeves, and the tensioning sleeves are used for tensioning and fixing the inner wall of the optical fiber cladding glass tube.
5. The clamping device for a regular polygonal prism fiber-clad glass tube according to claim 4, wherein: the central shaft assembly further comprises a plurality of rubber rings, a plurality of annular second grooves are formed in the tensioning sleeve, the rubber rings are embedded with the second grooves, and the outer diameter of each rubber ring is larger than that of the tensioning sleeve.
6. The clamping device for a regular polygonal prism fiber-clad glass tube according to claim 4, wherein: the center pin is including setting up two the first screw thread section in the taper section outside, the center pin subassembly includes adjusting nut, adjusting nut with the cooperation of first screw thread section, adjusting nut is used for compressing tightly the tensioning cover, in order to adjust the tensioning force of tensioning cover.
7. The clamping device for a regular polygonal prism fiber-clad glass tube according to claim 6, wherein: the outer side of the first thread section on the central shaft is provided with an assembly section, the diameter of the assembly section is smaller than that of the first thread section, the adjusting wheel is matched with the assembly section, the outer side of the assembly section is provided with a second thread section, the diameter of the second thread section is smaller than that of the assembly section, the central shaft assembly comprises a locking nut, and the locking nut is matched with the second thread section and used for locking and fixing the adjusting wheel.
8. The clamping device for a regular polygonal prism fiber-clad glass tube according to claim 1, wherein: the clamping device for the regular polygonal column optical fiber cladding glass tube comprises two bearing seats, wherein one or two bearing seats are movably arranged on the base so as to adjust the distance between the two bearing seats.
9. A processing equipment for regular polygon prism optical fiber cladding glass tube is characterized in that: the clamping device for the regular-polygonal-prism-shaped optical fiber clad glass tube comprises a grinding device and the clamping device for the regular-polygonal-prism-shaped optical fiber clad glass tube, which is used for clamping the optical fiber clad glass tube, as claimed in any one of claims 1 to 8, wherein the grinding device is used for grinding the optical fiber clad glass tube.
10. The processing apparatus for a regular polygonal pillar optical fiber clad glass tube according to claim 9, wherein: the processing equipment for the regular polygonal column optical fiber cladding glass tube comprises a sucking disc capable of moving transversely or rotating, and the clamping device for the regular polygonal column optical fiber cladding glass tube is fixed on the sucking disc.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111434087.XA CN114131506B (en) | 2021-11-29 | 2021-11-29 | Clamping device and processing equipment for regular polygon prism optical fiber cladding glass tube |
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|---|---|---|---|
| CN202111434087.XA CN114131506B (en) | 2021-11-29 | 2021-11-29 | Clamping device and processing equipment for regular polygon prism optical fiber cladding glass tube |
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| CN114131506A true CN114131506A (en) | 2022-03-04 |
| CN114131506B CN114131506B (en) | 2023-05-02 |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58192739A (en) * | 1982-05-06 | 1983-11-10 | Nissan Motor Co Ltd | Method for grinding outer surface of drum shaped work |
| KR20090067294A (en) * | 2007-12-21 | 2009-06-25 | 현대중공업 주식회사 | Automatic welding device for pipe line using divided type guide |
| JP2010179385A (en) * | 2009-02-04 | 2010-08-19 | Mitsubishi Cable Ind Ltd | Tool, apparatus and method for grinding end surface of optic fiber |
| CN203635977U (en) * | 2013-11-27 | 2014-06-11 | 魏国宏 | Tension clamp |
| CN107216028A (en) * | 2017-06-16 | 2017-09-29 | 浙江富通光纤技术有限公司 | Preform processing unit (plant) |
| CN208132443U (en) * | 2018-03-02 | 2018-11-23 | 东莞市宏乘铭汽车配件有限公司 | A kind of four square tube machine tool fixture of inner bearing type |
| CN209754053U (en) * | 2018-12-21 | 2019-12-10 | 天水星火机床有限责任公司 | Tensioning device for sleeve type workpiece |
| CN210523853U (en) * | 2019-08-28 | 2020-05-15 | 福建兵工装备有限公司 | Clamp for thin-wall cylinder parts |
| CN211939102U (en) * | 2020-03-19 | 2020-11-17 | 西安高缘立达电气有限公司 | O-shaped rubber ring centering and expanding clamp for thin-wall insulating pipe |
| CN214641716U (en) * | 2021-04-25 | 2021-11-09 | 青岛美克精密机械有限公司 | Novel clamp for milling hexagonal workpiece |
-
2021
- 2021-11-29 CN CN202111434087.XA patent/CN114131506B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58192739A (en) * | 1982-05-06 | 1983-11-10 | Nissan Motor Co Ltd | Method for grinding outer surface of drum shaped work |
| KR20090067294A (en) * | 2007-12-21 | 2009-06-25 | 현대중공업 주식회사 | Automatic welding device for pipe line using divided type guide |
| JP2010179385A (en) * | 2009-02-04 | 2010-08-19 | Mitsubishi Cable Ind Ltd | Tool, apparatus and method for grinding end surface of optic fiber |
| CN203635977U (en) * | 2013-11-27 | 2014-06-11 | 魏国宏 | Tension clamp |
| CN107216028A (en) * | 2017-06-16 | 2017-09-29 | 浙江富通光纤技术有限公司 | Preform processing unit (plant) |
| CN208132443U (en) * | 2018-03-02 | 2018-11-23 | 东莞市宏乘铭汽车配件有限公司 | A kind of four square tube machine tool fixture of inner bearing type |
| CN209754053U (en) * | 2018-12-21 | 2019-12-10 | 天水星火机床有限责任公司 | Tensioning device for sleeve type workpiece |
| CN210523853U (en) * | 2019-08-28 | 2020-05-15 | 福建兵工装备有限公司 | Clamp for thin-wall cylinder parts |
| CN211939102U (en) * | 2020-03-19 | 2020-11-17 | 西安高缘立达电气有限公司 | O-shaped rubber ring centering and expanding clamp for thin-wall insulating pipe |
| CN214641716U (en) * | 2021-04-25 | 2021-11-09 | 青岛美克精密机械有限公司 | Novel clamp for milling hexagonal workpiece |
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| Publication number | Publication date |
|---|---|
| CN114131506B (en) | 2023-05-02 |
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