CN113805276A - Coaxial optical device coupling method capable of automatically adjusting parallelism - Google Patents
Coaxial optical device coupling method capable of automatically adjusting parallelism Download PDFInfo
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- CN113805276A CN113805276A CN202111084706.7A CN202111084706A CN113805276A CN 113805276 A CN113805276 A CN 113805276A CN 202111084706 A CN202111084706 A CN 202111084706A CN 113805276 A CN113805276 A CN 113805276A
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- 238000010168 coupling process Methods 0.000 title claims abstract description 45
- 230000003287 optical effect Effects 0.000 title claims abstract description 24
- 239000002994 raw material Substances 0.000 claims abstract description 79
- 238000013519 translation Methods 0.000 claims abstract description 54
- 238000005859 coupling reaction Methods 0.000 claims abstract description 34
- 230000008878 coupling Effects 0.000 claims abstract description 33
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 18
- 239000010959 steel Substances 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 15
- 238000003466 welding Methods 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 239000000047 product Substances 0.000 description 13
- 239000007795 chemical reaction product Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
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- 238000007796 conventional method Methods 0.000 description 1
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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
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
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Abstract
The invention discloses a coaxial optical device coupling method capable of automatically adjusting parallelism, which utilizes a coaxial optical device coupling device capable of automatically adjusting parallelism, wherein the coaxial optical device coupling device comprises an electric rotating table, an A-axis electric swing table, a coupling table base, an X-axis electric translation table, a gap adjusting component, a Z-axis electric translation table, an upper chuck fixing seat, an upper chuck, a Z-axis shaft assembly mounting upright post, a Y-axis electric translation table and a B-axis electric swing table, and the gap adjusting component comprises a leveling component fixing seat, a reading head fixing seat, a jacking cylinder, a lower chuck fixing seat extension plate, a slider device, a lower chuck, a grating ruler steel belt, a lower chuck fixing seat, a grating ruler reading head, a spring and a limit stop part. The invention can realize the adjustment of the size and the parallelism of the gap between the raw materials, can realize the position adjustment of five degrees of freedom, greatly improves the one-time passing rate and the production efficiency of the coupling procedure, improves the consistency and the stability of the product and reduces the production cost.
Description
Technical Field
The invention belongs to the field of optical device manufacturing, and particularly relates to a coaxial optical device coupling method capable of automatically adjusting parallelism, which is suitable for adjusting the parallelism recoupling between two parts of materials before laser welding.
Background
Currently, the LD coupling welding process in the back-end manufacturing process of optical device products is a key process, and the coupling manufacturing process of conventional products, whether two-piece products or three-piece products, is mature, but the problem of sudden reduction of optical power of products after laser welding still exists, and the conventional method is to rework or repair the part of products to meet the photoelectric performance requirements of the products. It is known that after the coupling is completed and before the laser welding, the size of the gap between the upper and lower materials, the parallelism and the like have a great influence on the optical power of the product during the welding process. The existing high-end product puts forward higher requirements on the change of the optical power of the product after laser welding, directly causes the low yield of the product in the coupling process, and has increasingly prominent problem, thus hindering the improvement of the yield of the product and the reduction of the production cost.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a coaxial optical device coupling device capable of automatically adjusting parallelism and a coaxial optical device coupling method capable of automatically adjusting parallelism aiming at the defects in the prior art, so that rework, repair and product scrap of coupling procedures are reduced, the production efficiency is improved, and the production cost is reduced.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a coaxial optical device coupling method for automatically adjusting parallelism utilizes a coaxial optical device coupling device for automatically adjusting parallelism, the coaxial optical device coupling device comprises an electric rotating table, a coupling table base is arranged on the electric rotating table, a fixing part of an A-axis electric swing table is arranged on the coupling table base, a rotating part of the A-axis electric swing table is connected with a fixing part of a B-axis electric swing table, a rotating part of the B-axis electric swing table is connected with a fixing part of an X-axis electric translation table, and a moving part of the X-axis electric translation table is connected with a fixing part of a Y-axis electric translation table; the moving part of the Y-axis electric translation table is connected with the gap adjusting assembly; the bottom end of the Z-axis component mounting upright post is connected with the coupling table base, a Z-axis electric translation table is arranged on the Z-axis component mounting upright post, the moving part of the Z-axis electric translation table is connected with an upper chuck fixing seat, an upper chuck is arranged on the upper chuck fixing seat, the upper chuck is positioned above a lower chuck of the gap adjusting component,
the gap adjusting component comprises a leveling component fixing seat, a slide block device is arranged on the leveling component fixing seat, a longitudinal sliding part of the slide block device is connected with a lower chuck fixing seat, a lower chuck is arranged on the lower chuck fixing seat, an extension plate of the lower chuck fixing seat is connected with the lower chuck fixing seat, a grating ruler steel band is also arranged on the side surface of the longitudinal sliding part of the slide block device, a grating ruler reading head and the grating ruler steel band which are arranged on the reading head fixing seat are arranged face to face, the reading head fixing seat is connected with the leveling component fixing seat, a fixing part of a jacking cylinder is connected with the leveling component fixing seat, a telescopic rod of the jacking cylinder is positioned below the extension plate of the lower chuck fixing seat, a limit stop part is arranged above the extension plate of the lower chuck fixing seat, the limit stop part is connected with the leveling component fixing seat, and a spring is arranged between the leveling component fixing seat and the lower chuck fixing seat,
the method comprises the following steps:
putting a second raw material into an upper chuck for clamping and fixing, putting a first raw material into a lower chuck for clamping and fixing, energizing the first raw material to excite the first raw material to emit laser to the second raw material, simultaneously extending a piston rod of a jacking cylinder to jack an extension plate of the lower chuck fixing seat, driving the lower chuck fixing seat by the extension plate of the lower chuck fixing seat, further driving the lower chuck and the first raw material in the lower chuck to move upwards together until the extension plate of the lower chuck fixing seat is blocked by a limit blocking part, setting the relative position between a reading head of a grating ruler and a steel strip of the grating ruler to zero, then loosening the piston rod of the jacking cylinder to enable the lower chuck fixing seat to be supported by a spring at the bottom, then driving the upper chuck fixing seat by a Z-axis electric translation table, further driving the upper chuck and the second raw material in the upper chuck to move downwards together to be right above the first raw material, and after the top surface of the first raw material is contacted with the bottom surface of the second raw material, the Z-axis electric translation table continuously descends for a certain distance, the first raw material moves downwards along with the first raw material, meanwhile, the lower chuck fixing seat, the longitudinal sliding part of the sliding block device and the grating ruler steel strip move downwards for a certain distance, in the process, the spring is compressed, the grating ruler reading head reads the moving distance of the grating ruler steel strip, then the rotating parts of the A-axis electric swing table and the B-axis electric swing table are controlled to rotate, when the position value obtained by the grating ruler reading head is minimum, the first raw material and the second raw material obtain the optimal parallelism, then the moving part of the Z-axis electric translation table moves upwards to drive the upper chuck and the second raw material to move upwards until the upper chuck and the second raw material are separated from the first raw material for a certain distance, the lower chuck fixing seat extending plate is jacked up by the jacking cylinder, and then the moving parts of the X-axis electric translation table, the Y-axis electric translation table and the Z-axis electric translation table are adjusted, and monitoring the laser received by the second raw material, determining the optimal coupling position between the first raw material and the second raw material, and after the optimal coupling position is determined, stopping the movement of the X-axis electric translation table, the Y-axis electric translation table and the Z-axis electric translation table to weld the first raw material and the second raw material.
Compared with the prior art, the invention has the following advantages:
1. the size and the parallelism of a gap between the first raw material and the second raw material can be adjusted;
2. the amplitude and the number ratio of the reduced optical power after laser welding can be reduced by adjusting the parallelism and the gap size between the first raw material and the second raw material;
3. the position adjustment with five degrees of freedom can be realized, the coupling manufacture of high-end products can be realized, the one-time pass rate of the coupling procedure and the production efficiency of the whole flow are greatly improved, the consistency and the stability of the products are also improved, and the production cost of the high-end products is reduced;
4. different raw materials of the optical device can be adapted by replacing different upper chucks and lower chucks.
Drawings
Fig. 1 is a schematic structural view of the present invention.
In the figure: the method comprises the following steps of 1-an electric rotating table, 2-A shaft electric swing table, 3-coupling table base, 4-X shaft electric translation table, 5-gap adjusting assembly, 6-Z shaft electric translation table, 7-upper chuck fixing seat, 8-upper chuck, 9-Z shaft assembly mounting upright column, 10-Y shaft electric translation table, 11-B shaft electric swing table and 12-second raw material.
Fig. 2 is a schematic structural view of the gap adjusting assembly.
In the figure: 501-a leveling component fixing seat, 502-a reading head fixing seat, 503-a jacking air cylinder, 504-a lower chuck fixing seat extension plate, 505-a sliding block device, 506-a first raw material, 507-a lower chuck, 508-a grating ruler steel strip, 509-a lower chuck fixing seat, 510-a grating ruler reading head and 511-a spring.
Detailed Description
The present invention will be described in further detail with reference to examples for the purpose of facilitating understanding and practice of the invention by those of ordinary skill in the art, and it is to be understood that the present invention has been described in the illustrative embodiments and is not to be construed as limited thereto.
A coaxial optical device coupling method capable of automatically adjusting parallelism utilizes a coaxial optical device coupling device capable of automatically adjusting parallelism, and the coaxial optical device coupling device comprises an electric rotating table 1, an A-axis electric swing table 2, a coupling table base 3, an X-axis electric translation table 4, a gap adjusting component 5, a Z-axis electric translation table 6, an upper chuck fixing seat 7, an upper chuck 8, a Z-axis assembly mounting upright post 9, a Y-axis electric translation table 10 and a B-axis electric swing table 11, wherein the gap adjusting component 5 comprises a leveling component fixing seat 501, a reading head fixing seat 502, a jacking cylinder 503, a lower chuck fixing seat extending plate 504, a slider device 505, a lower chuck 507, a grating ruler steel belt 508, a lower chuck fixing seat 509, a grating ruler reading head 510, a spring 511 and a limit baffle part 512.
The coupling table base 3 is arranged on the electric rotating table 1 and can be driven by the electric rotating table 1 to do plane rotation movement, the fixing part of the A-axis electric swing table 2 is arranged on the coupling table base 3, the rotating part of the A-axis electric swing table 2 is connected with the fixing part of the B-axis electric swing table 11, the rotating part of the B-axis electric swing table 11 is connected with the fixing part of the X-axis electric translation table 4, and the moving part of the X-axis electric translation table 4 is connected with the fixing part of the Y-axis electric translation table 10; the moving part of the Y-axis electric translation table 10 is connected with the gap adjusting assembly 5; the bottom end of the Z-axis assembly mounting upright column 9 is connected with the coupling table base 3, the Z-axis assembly mounting upright column 9 is provided with a Z-axis electric translation table 6, the moving part of the Z-axis electric translation table 6 is connected with the upper chuck fixing seat 7, the upper chuck fixing seat 7 is provided with an upper chuck 8, the upper chuck 8 is positioned above the lower chuck 507 of the gap adjusting assembly 5, and the upper chuck 8 is used for clamping a second raw material 12.
The slider device 505 is arranged on the leveling component fixing seat 501, a longitudinal sliding part of the slider device 505 is connected with a lower chuck fixing seat 509, a lower chuck 507 is arranged on the lower chuck fixing seat 509, a lower chuck fixing seat extension plate 504 is connected with the lower chuck fixing seat 509, meanwhile, a grating ruler steel strip 508 is further arranged on the side surface of the longitudinal sliding part of the slider device 505, a grating ruler reading head 510 arranged on the reading head fixing seat 502 is arranged opposite to the grating ruler steel strip 508, and the reading head fixing seat 502 is connected with the leveling component fixing seat 501. The fixing part of the jacking cylinder 503 is fixed on the back of the leveling component fixing seat 501, the telescopic rod of the jacking cylinder 503 is positioned below the lower chuck fixing seat extension plate 504, the limiting stop part 512 is arranged above the lower chuck fixing seat extension plate 504, the limiting stop part 512 is connected with the leveling component fixing seat 501, a spring 511 is arranged between the leveling component fixing seat 501 and the lower chuck fixing seat 509, and the spring 511 can support the lower chuck fixing seat 509.
In the invention, the X axis, the Y axis and the Z axis are vertical in pairs, the X axis direction and the Y axis direction are both parallel to the horizontal plane, the A axis and the B axis are also vertical to each other, and the central axes of the A axis and the B axis when swinging are both parallel to the horizontal plane.
A coaxial optical device coupling method capable of automatically adjusting parallelism comprises the following steps:
as shown in fig. 1 and fig. 2, a second raw material 12 is placed into an upper chuck 8 to be clamped and fixed, and a first raw material 506 is placed into a lower chuck 507 to be clamped and fixed, the first raw material 506 is energized to excite the second raw material 12 to emit laser, meanwhile, a piston rod of a jacking cylinder 503 extends out of a jacking lower chuck fixing base extension plate 504, the lower chuck fixing base extension plate 504 drives a lower chuck fixing base 509 to drive the lower chuck 507 and the first raw material 506 in the lower chuck 507 to move upwards together until the lower chuck fixing base extension plate 504 is blocked by a limit blocking part 512, at this time, the relative position between a grating ruler reading head 510 and a grating ruler steel strip 508 is set to zero, then the piston rod of the jacking cylinder 503 is released, the lower chuck fixing base 509 is supported by a spring 511 at the bottom, then an upper chuck 7 is driven by a Z-axis electric translation stage 6 to drive the upper chuck 8 and the second raw material 12 in the upper chuck 8 to move downwards to be directly above the first raw material 506, after the top surface of the first raw material 506 contacts the bottom surface of the second raw material 12, the Z-axis electric translation stage 6 continues to descend for a certain distance, the first raw material 506 moves downward, and simultaneously drives the lower chuck 507, the lower chuck fixing seat 509, the longitudinal sliding part of the slider device 505, and the grating ruler steel strip 508 to move downward for a certain distance, the spring 511 is compressed in the process, and the grating ruler reading head 510 reads the moving distance of the grating ruler steel strip 508. Then the rotation parts of the a-axis electric swing table 2 and the B-axis electric swing table 11 are controlled to rotate, in the process, the spring 511 continuously jacks up the lower chuck fixing seat 509, due to the limiting function of the longitudinal sliding part of the slider device 505, when the rotation parts of the a-axis electric swing table 2 and the B-axis electric swing table 11 deflect, the attaching state of the bottom surface of the second raw material 12 and the top surface of the first raw material 506 is different, and when the bottom surface of the second raw material 12 and the top surface of the first raw material 506 are completely attached, that is, in a parallel condition, the position value obtained by the grating ruler read head 510 is the smallest, the parallelism between the first raw material 506 and the second raw material 12 is better and better, and when the position value obtained by the grating ruler read head 510 is the smallest, the best parallelism between the first raw material 506 and the second raw material 12 is obtained. Then, the moving part of the Z-axis electric translation stage 6 moves upward to drive the upper chuck 8 and the second raw material 12 to move upward until a certain distance is left from the first raw material 506, the lower chuck fixing base extension plate 504 is jacked up by the jacking cylinder 503, and by adjusting the moving parts of the X-axis electric translation stage 4, the Y-axis electric translation stage 10 and the Z-axis electric translation stage 6, the first raw material 506 is emitted and the laser of the second raw material 12 is monitored, by monitoring the laser parameters, the optimal coupling position between the first raw material 506 and the second raw material is determined, and after the optimal coupling position is determined, the X-axis electric translation table 4, the Y-axis electric translation table 10 and the Z-axis electric translation table 6 stop moving, the coupling process is completed at this moment, and the next laser welding process of the first raw material 506 and the second raw material 12 is matched, so that the automatic parallelism adjusting and coupling welding process is completed.
The specific embodiments described herein are merely illustrative of the invention. Various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the spirit of the invention or exceeding the scope of the claims defined below.
Claims (1)
1. A coaxial optical device coupling method for automatically adjusting parallelism is characterized in that,
a coaxial optical device coupling device capable of automatically adjusting parallelism is utilized, and comprises an electric rotating table (1), a coupling table base (3) is arranged on the electric rotating table (1), a fixing part of an A-axis electric swing table (2) is arranged on the coupling table base (3), a rotating part of the A-axis electric swing table (2) is connected with a fixing part of a B-axis electric swing table (11), a rotating part of the B-axis electric swing table (11) is connected with a fixing part of an X-axis electric translation table (4), and a moving part of the X-axis electric translation table (4) is connected with a fixing part of a Y-axis electric translation table (10); the moving part of the Y-axis electric translation table (10) is connected with the gap adjusting assembly (5); the bottom end of a Z-axis assembly mounting upright post (9) is connected with a coupling table base (3), a Z-axis electric translation table (6) is arranged on the Z-axis assembly mounting upright post (9), the moving part of the Z-axis electric translation table (6) is connected with an upper chuck fixing seat (7), an upper chuck (8) is arranged on the upper chuck fixing seat (7), the upper chuck (8) is positioned above a lower chuck (507) of a gap adjusting assembly (5),
the gap adjusting component (5) comprises a leveling component fixing seat (501), a sliding block device (505) is arranged on the leveling component fixing seat (501), a longitudinal sliding part of the sliding block device (505) is connected with a lower chuck fixing seat (509), a lower chuck (507) is arranged on the lower chuck fixing seat (509), a lower chuck fixing seat extension plate (504) is connected with the lower chuck fixing seat (509), a grating ruler steel strip (508) is further arranged on the side surface of the longitudinal sliding part of the sliding block device (505), a grating ruler reading head (510) arranged on the reading head fixing seat (502) is arranged in a face-to-face mode with the grating ruler steel strip (508), the reading head fixing seat (502) is connected with the leveling component fixing seat (501), a fixing part of a jacking cylinder (503) is connected with the leveling component fixing seat (501), a telescopic rod of the jacking cylinder (503) is positioned below the lower chuck fixing seat extension plate (504), and a limit stop part (512) is arranged above the lower chuck fixing seat extension plate (504), the limit stop part (512) is connected with the leveling component fixing seat (501), a spring (511) is arranged between the leveling component fixing seat (501) and the lower chuck fixing seat (509),
the method comprises the following steps:
putting a second raw material (12) into an upper chuck (8) for clamping and fixing, putting a first raw material (506) into a lower chuck (507) for clamping and fixing, energizing the first raw material (506) to excite the first raw material to emit laser to the second raw material (12), simultaneously extending a piston rod of a jacking cylinder (503) out of a lower chuck fixing base extension plate (504), driving a lower chuck fixing base (509) by the lower chuck fixing base extension plate (504), further driving the lower chuck (507) and the first raw material (506) in the lower chuck (507) to move upwards together until the lower chuck fixing base extension plate (504) is blocked by a limit blocking part (512), setting the relative position between a grating ruler reading head (510) and a grating ruler steel strip (508) to zero, then loosening the piston rod of the jacking cylinder (503) to enable the lower chuck fixing base (509) to be supported by a spring (511) at the bottom, then the Z-axis electric translation table (6) drives the upper chuck fixing seat (7) to drive the upper chuck (8) and a second raw material (12) in the upper chuck (8) to move downwards to the position right above the first raw material (506), after the top surface of the first raw material (506) is contacted with the bottom surface of the second raw material (12), the Z-axis electric translation table (6) continues to descend for a certain distance, the first raw material (506) moves downwards along with the first raw material, and simultaneously drives the lower chuck (507), the lower chuck fixing seat (509), a longitudinal sliding part of the sliding block device (505) and the grating ruler steel strip (508) to move downwards for a certain distance, in the process, the spring (511) is compressed, the grating ruler reading head (510) reads the moving distance of the grating ruler steel strip (508), and then the rotating parts of the A-axis electric swing table (2) and the B-axis electric swing table (11) are controlled to rotate, when the position value obtained by the grating ruler reading head (510) is minimum, the optimal parallelism between the first raw material (506) and the second raw material (12) is obtained, then, the moving part of the Z-axis electric translation table (6) moves upwards to drive the upper chuck (8) and the second raw material (12) to move upwards until the upper chuck and the second raw material are away from the first raw material (506) for a certain distance, then the lower chuck fixing seat extension plate (504) is jacked up by the jacking cylinder (503), then the laser received by the second raw material (12) is monitored by adjusting the moving parts of the X-axis electric translation table (4), the Y-axis electric translation table (10) and the Z-axis electric translation table (6), the optimal coupling position between the first raw material (506) and the second raw material (12) is determined, and then the X-axis electric translation table (4), the Y-axis electric translation table (10) and the Z-axis electric translation table (6) stop moving after the optimal coupling position is determined, welding of the first raw material (506) and the second raw material (12) is performed.
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2021
- 2021-09-16 CN CN202111084706.7A patent/CN113805276B/en active Active
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|---|---|---|---|---|
| KR19990038985A (en) * | 1997-11-08 | 1999-06-05 | 이계철 | Laser welding device for manufacturing multi-channel optical module package and method for manufacturing channel optical module package |
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| CN113805276B (en) | 2024-03-19 |
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