CN108061934B - Manufacturing method of curved panel - Google Patents
Manufacturing method of curved panel Download PDFInfo
- Publication number
- CN108061934B CN108061934B CN201711112912.8A CN201711112912A CN108061934B CN 108061934 B CN108061934 B CN 108061934B CN 201711112912 A CN201711112912 A CN 201711112912A CN 108061934 B CN108061934 B CN 108061934B
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- China
- Prior art keywords
- bending
- rod
- manufacturing
- optical fiber
- bent
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/04—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings formed by bundles of fibres
- G02B6/06—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings formed by bundles of fibres the relative position of the fibres being the same at both ends, e.g. for transporting images
- G02B6/08—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings formed by bundles of fibres the relative position of the fibres being the same at both ends, e.g. for transporting images with fibre bundle in form of plate
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/04—Re-forming tubes or rods
- C03B23/06—Re-forming tubes or rods by bending
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C27/00—Joining pieces of glass to pieces of other inorganic material; Joining glass to glass other than by fusing
- C03C27/06—Joining glass to glass by processes other than fusing
- C03C27/10—Joining glass to glass by processes other than fusing with the aid of adhesive specially adapted for that purpose
Abstract
The invention discloses a manufacturing method of a curved panel, which comprises the following steps: manufacturing a blank rod by using the composite optical fiber, and manufacturing the blank rod into a round rod; heating the round bar and bending to prepare a bent bar; and gluing and curing the plurality of bent rods to manufacture the bent panel. According to the invention, the blank rod is made into the bent rod by designing the high-temperature bending process, and then the bent rods are glued to be made into the bent panel, so that the hot melting process is avoided, the production time is saved, the labor cost is reduced, the bent panel capable of transmitting and integrating the peripheral images into one plane is manufactured by adopting a simple mode capable of meeting the process requirement, and 360-degree camera shooting transmission can be realized.
Description
Technical Field
The invention relates to the technical field of manufacturing of optical fiber panels, in particular to a manufacturing method of a bent panel.
Background
The optical fiber panel is a hard optical fiber element composed of a plurality of optical fibers regularly and closely arranged, has the characteristics of good image transmission performance, high resolution, zero-thickness undistorted transmission of high-definition images and the like in optics, and is widely used for input and output ports of various electronic and optical devices. The main basis of the bent panel is the optical fiber panel, the existing optical fiber panel is directly drawn into a blank rod through a new process, then the panel is bent into ninety degrees through a bending tool, pictures in different directions are transmitted to one surface through the adhesion of a plurality of panels, and the function of 360-degree monitoring camera shooting is realized through a camera. The image transmission of the existing optical fiber panel product is mainly linear transmission and cannot integrate the peripheral images into one plane, and the biggest difference between the curved panel and the existing panel is that the peripheral images can be integrated into one plane.
Disclosure of Invention
The invention aims to solve the technical problem of providing a method for manufacturing a curved panel, which is characterized in that the curved panel capable of transmitting and integrating peripheral images into one plane is manufactured in a mode of bending after heating, so that a hot melting and pressing process is avoided, the production time is saved, and the labor cost is reduced.
The technical scheme adopted for solving the technical problems is as follows:
a method for manufacturing a curved panel comprises the following steps:
1-1, manufacturing a blank rod by using a composite optical fiber, and manufacturing the blank rod into a round rod;
1-2, heating the round bar and bending to prepare a bent bar;
and 1-3, gluing and curing the plurality of bent rods to manufacture the bent panel.
Further, in the step 1-2, the round bar is pressed into a bent bar through a bending device after being heated by a high-temperature furnace.
Furthermore, the bending device comprises an upper pressing module and a lower bearing module located below the upper pressing module, a bending cavity which is concave downwards is arranged at the upper end of the lower bearing module, a protrusion matched with the bending cavity is arranged at the lower end of the upper pressing module, the round bar is horizontally placed between the bending cavity and the protrusion, and the upper pressing module moves downwards to enable the round bar to be bent into a bending bar in the bending cavity.
Further, the section of the bending cavity in the vertical direction is an angle, the angle is a right angle or an acute angle or an obtuse angle, and the opening of the angle is upward.
Further, in the step 1-3, a milling machine is used for milling the side surface of one bending end of each bending rod into a gluing plane, the gluing planes of the bending rods are mutually glued through UV glue, and the UV glue is cured under the irradiation of an ultraviolet lamp.
Further, in the step 1-2, the round bar is heated to 640 ℃ by a high temperature furnace.
Further, annealing treatment is carried out after the step 1-1 and/or the step 1-2 are completed.
Further, the annealing treatment comprises the following steps: the annealing temperature is increased from room temperature to 595 ℃, and the time is taken for 6 hours; keeping the temperature at 595 ℃ for 6 hours; the temperature was lowered to room temperature, which took 60 hours.
Further, in the step 1-3, two bending rods are used for gluing, curing and manufacturing a second bending panel, and two non-glued bending ends in the second bending panel are collinear; or four bending rods are glued and cured to manufacture a fourth bending panel, and four bending ends which are not glued in the fourth bending panel form a cross structure.
Further, in the step 1-1, the composite optical fiber is made of a single optical fiber, and a stray light absorbing optical fiber is added in the process of making the composite optical fiber by using the single optical fiber.
Has the advantages that: according to the invention, the blank rod is made into the bent rod by designing the high-temperature bending process, and then the bent rods are glued to be made into the bent panel, so that the hot melting process is avoided, the production time is saved, the labor cost is reduced, the bent panel capable of transmitting and integrating the peripheral images into one plane is manufactured by adopting a simple mode capable of meeting the process requirement, and 360-degree camera shooting transmission can be realized.
Drawings
FIG. 1 is a view showing a structure of a bending apparatus according to the present invention;
FIG. 2 is a front view of a fourth curved panel made in accordance with the present invention;
FIG. 3 is a top view of the fourth curved panel of FIG. 2;
FIG. 4 is a front view of a second curved panel made in accordance with the present invention;
fig. 5 is a top view of the second curved panel of fig. 4.
Detailed Description
The present invention will be further described with reference to fig. 1 to 5.
A method for manufacturing a curved panel comprises the following steps: 1-1, manufacturing a blank rod by using a composite optical fiber, and manufacturing the blank rod into a round rod; 1-2, heating the round bar and bending to prepare a bent bar; and 1-3, gluing and curing the plurality of bent rods to manufacture the bent panel.
The step 1-1 comprises six steps of drawing a single optical fiber, drawing a primary composite optical fiber, drawing a secondary composite optical fiber, drawing a blank rod, annealing the blank rod, manufacturing the blank rod into a round rod and the like.
The single fiber drawing steps are as follows: sleeving a glass core material rod into a glass skin material pipe; sending the mixture into a high-temperature area of a wire drawing furnace, wherein the temperature in the furnace is controlled to 870-; when the glass is softened and droops, pumping air into the glass tube, and leading the glass skin material tube and the glass core material rod to be adhered together through traction of a wire drawing wheel, wherein the wire drawing temperature is controlled at 770-; the single optical fiber with the same length is cut by a filament cutting device of a wire drawing machine, and the length can be controlled between 0.8m and 1.2 m.
In addition, the diameter of the single optical fiber can be controlled by adjusting the drawing speed of the wire drawing wheel.
The steps of drawing the primary composite optical fiber are as follows: tightly arranging a plurality of single optical fibers in a rod arranging mold, and binding and fastening the single optical fibers to form a primary composite rod with a regular hexagonal cross section; the primary composite rod is hung on a wire drawing machine, and the process parameters such as the temperature of the wire drawing furnace, the rod feeding speed, the wire drawing speed and the like are adjusted, so that the primary composite rod is drawn into primary composite wires with required specifications and cut into primary composite optical fibers with equal length.
The drawing temperature is generally controlled between 770 and 790 ℃, the outer diameter of the primary composite optical fiber is 2.60 to 2.70mm, and the length of the primary composite optical fiber is 0.7 to 1.0 m.
In the process of manufacturing the primary composite optical fiber, a stray light absorbing optical fiber is inserted into a gap between the single optical fibers, and the length of the stray light absorbing optical fiber is the same as that of the single optical fibers. The stray light absorption optical fiber is formed by drawing a stray light absorption glass core rod, the drawing process refers to the drawing process of a single optical fiber filament, and the drawing temperature is set to be 750-780 ℃.
The row rod die comprises an upper die block and a lower die block which are mutually buckled, and a through hole with a hexagonal cross section is formed in the middle of the buckled row rod die. The size of the through hole can be adjusted according to production requirements and equipment processing capacity.
The steps of drawing the secondary composite optical fiber and the primary composite optical fiber are similar, but a rod arranging mold with larger size is adopted to draw a plurality of primary composite optical fibers into the secondary composite optical fiber, the outer diameter of the secondary composite optical fiber is 1.60-1.70 mm, and the length of the secondary composite optical fiber is 0.7-1.0 m.
The steps of drawing the blank rod are as follows: arranging a plurality of secondary composite optical fibers in a rod arranging mold with a larger size to form a composite fiber rod with a regular hexagonal section; hanging the multifilament bar on a drawing machine, and conveying the head of the multifilament bar to a high-temperature area of a drawing furnace to soften the multifilament bar, wherein the temperature of the high-temperature area is 870-; after the rod head of the fiber-covered rod is softened and sags, reducing the temperature to 770-800 ℃, and drawing the fiber-covered rod by a drawing wheel to form a blank rod of the optical fiber panel, wherein the outer diameter of the blank rod is 6-6.2 mm; and after the blank rod is drawn and formed, taking out the blank rod when the temperature in the wire drawing furnace is reduced to below 40 ℃.
In the drawing process, in order to ensure that the outer diameter of the blank rod is larger, the feeding speed is controlled within the range of 3-4 mm/min.
The annealing of the blank rod comprises the following steps: putting the blank rod into an annealing furnace, and raising the temperature of the annealing furnace from room temperature to 595 ℃ after 6 hours; and preserving the heat at 595 ℃ for 6 hours to eliminate the thermal stress of the blank rod; then the temperature is reduced to 30 ℃ from 595 ℃ for 60 hours, and the temperature reduction rate is slowed down to prevent the thermal stress from being generated again; and after the annealing operation is finished, taking out the blank rod.
The steps of manufacturing the blank rod into the round rod are as follows: and (3) processing the side surface of the blank rod by using a centerless grinding wheel, and grinding the blank rod into a round rod with the outer diameter of 5-5.2 mm.
Step 1-2: and (3) placing the round bar in a bending device, placing the whole mould in a high-temperature furnace, heating to 640 ℃, bending the round bar to manufacture a bent bar, and taking out the bent bar after cooling.
As shown in fig. 1, the bending device includes an upper die block 41 and a lower die block 42 located below the upper die block 41, a bending cavity 43 recessed downward is disposed at an upper end of the lower die block 42, and a protrusion matching with the bending cavity 43 is disposed at a lower end of the upper die block 41. The round bar 5 is transversely placed between the bending cavity 43 and the protrusion, and the upper pressing module 41 moves downwards to bend the round bar 5 into the bending cavity 43.
The cross section of the bending cavity 43 in the vertical direction is an angle, the angle is a right angle or an acute angle or an obtuse angle, and the opening of the angle is upward. The shape of the bending cavity 43 can be designed according to the actual bending angle of the round bar, and in this embodiment, the angle is a right angle.
To relieve thermal stress in the bent rod, the bent rod may be annealed, the annealing step being the same as that of the previously described blank rod.
Step 1-3: milling the side surface of one bending end of the bending rod into a binding plane through a milling machine; coating UV glue on each gluing plane, and gluing each bending rod through each gluing plane to prepare a bending panel; the curved panel was placed in a closed enclosure and the UV glue cured with UV light for ten minutes.
The number of mutually glued curved bars can be adjusted according to the actual need. As shown in fig. 2 and 3, a fourth curved panel 54 is made by gluing four curved bars, and four bending ends of the fourth curved panel 54, which are not glued, form a cross structure. As shown in fig. 4 and 5, a second curved panel 52 is made by gluing two curved bars, and two non-glued curved ends of the second curved panel 52 are collinear.
After the above steps, the end faces of the input end and the output end of the curved panel are usually subjected to finish grinding and polishing.
While the embodiments of the present invention have been described in detail with reference to the drawings, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (10)
1. A method for manufacturing a curved panel is characterized in that: the method comprises the following steps: 1-1, manufacturing a blank rod by using a composite optical fiber, and manufacturing the blank rod into a round rod; 1-2, heating the round bar and bending to prepare a bent bar; 1-3, milling the side face of one bending end of each bending rod into a gluing plane through a milling machine, gluing and solidifying a plurality of bending rods through each gluing plane to manufacture a bending panel, and finely grinding and polishing the end faces of the input end and the output end of the bending panel.
2. A method of making a curved panel according to claim 1, wherein: in the step 1-2, the round bar is pressed into a bent bar through a bending device after being heated by a high-temperature furnace.
3. A method of making a curved panel according to claim 2, wherein: the bending device comprises an upper pressing module (41) and a lower bearing module (42) located below the upper pressing module (41), a bending cavity (43) which is concave downwards is arranged at the upper end of the lower bearing module (42), a protrusion matched with the bending cavity is arranged at the lower end of the upper pressing module (41), the round rod (5) is transversely placed between the bending cavity (43) and the protrusion, and the upper pressing module (41) moves downwards to enable the round rod (5) to be bent into a bending rod in the bending cavity (43).
4. A method of making a curved panel according to claim 3, wherein: the section of the bending cavity (43) in the vertical direction is an angle, the angle is a right angle or an acute angle or an obtuse angle, and the opening of the angle is upward.
5. A method of making a curved panel according to claim 1, wherein: in the steps 1-3, gluing the gluing planes of the bending rods with each other through UV glue, and curing the UV glue under the irradiation of an ultraviolet lamp.
6. A method of manufacturing a curved panel according to claim 1 or 2, wherein: in the step 1-2, the round bar is heated to 640 ℃ by a high-temperature furnace.
7. A method of manufacturing a curved panel according to claim 1 or 2, wherein: and (3) annealing treatment is carried out after the step (1-1) and/or the step (1-2) is finished.
8. A method of making a curved panel according to claim 7, wherein: the annealing treatment comprises the following steps: the annealing temperature is increased from room temperature to 595 ℃, and the time is taken for 6 hours; keeping the temperature at 595 ℃ for 6 hours; the temperature was lowered to room temperature, which took 60 hours.
9. A method of making a curved panel according to claim 5, wherein: in the step 1-3, two bending rods are glued and cured to manufacture a second bending panel (52), and two non-glued bending ends in the second bending panel (52) are collinear; or four bending rods are glued and cured to manufacture a fourth bending panel (54), and four bending ends which are not glued in the fourth bending panel (54) form a cross structure.
10. A method of making a curved panel according to claim 1, wherein: in the step 1-1, the composite optical fiber is made of a single optical fiber, and a stray light absorption optical fiber is added in the process of manufacturing the composite optical fiber by using the single optical fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711112912.8A CN108061934B (en) | 2017-11-13 | 2017-11-13 | Manufacturing method of curved panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711112912.8A CN108061934B (en) | 2017-11-13 | 2017-11-13 | Manufacturing method of curved panel |
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| Publication Number | Publication Date |
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| CN108061934A CN108061934A (en) | 2018-05-22 |
| CN108061934B true CN108061934B (en) | 2021-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711112912.8A Active CN108061934B (en) | 2017-11-13 | 2017-11-13 | Manufacturing method of curved panel |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111180566B (en) * | 2020-01-21 | 2021-06-22 | 羽源洋(宁波)科技有限公司 | Rotary type curved surface light source production robot |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1451361A (en) * | 1921-11-14 | 1923-04-10 | Jr Victor Durand | Method of making solid glass rods having bends therein |
| CN104715683A (en) * | 2013-12-16 | 2015-06-17 | 乐金显示有限公司 | Curved cover plate and curved display device and method of manufacturing the same |
| CN105259611A (en) * | 2015-09-10 | 2016-01-20 | 广州宏晟光电科技有限公司 | Manufacturing method of fingerprint acquisition optical fiber panel |
| CN105741685A (en) * | 2015-11-25 | 2016-07-06 | 青岛金智高新技术有限公司 | Bent cover plate, bent display device and manufacturing method of bent display device |
-
2017
- 2017-11-13 CN CN201711112912.8A patent/CN108061934B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1451361A (en) * | 1921-11-14 | 1923-04-10 | Jr Victor Durand | Method of making solid glass rods having bends therein |
| CN104715683A (en) * | 2013-12-16 | 2015-06-17 | 乐金显示有限公司 | Curved cover plate and curved display device and method of manufacturing the same |
| CN105259611A (en) * | 2015-09-10 | 2016-01-20 | 广州宏晟光电科技有限公司 | Manufacturing method of fingerprint acquisition optical fiber panel |
| CN105741685A (en) * | 2015-11-25 | 2016-07-06 | 青岛金智高新技术有限公司 | Bent cover plate, bent display device and manufacturing method of bent display device |
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| CN108061934A (en) | 2018-05-22 |
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Address after: No. 93, Conghua Hedong Road, Guangzhou, Guangdong, Guangdong Applicant after: Guangzhou Hongsheng optoelectronic Polytron Technologies Inc Address before: No. 93, Conghua Hedong Road, Guangzhou, Guangdong, Guangdong Applicant before: Guangzhou Hongsheng Optical Technology Co., Ltd. |
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