CN109946798B - Multi-lens coupling clamp and method - Google Patents
Multi-lens coupling clamp and method Download PDFInfo
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- CN109946798B CN109946798B CN201910362038.6A CN201910362038A CN109946798B CN 109946798 B CN109946798 B CN 109946798B CN 201910362038 A CN201910362038 A CN 201910362038A CN 109946798 B CN109946798 B CN 109946798B
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Abstract
The invention belongs to the technical field of photoelectricity, and particularly provides a multi-lens coupling clamp and a multi-lens coupling method, wherein the multi-lens coupling clamp comprises a plurality of lenses, a PCB (printed circuit board) for coupling the lenses, a mounting base for clamping the PCB, a clamping component for clamping the lenses and a plurality of multi-axis moving components; the multi-axis moving assembly comprises a plurality of moving units, the clamping assembly comprises a plurality of clamping units which are mutually independent and are respectively used for clamping each lens, and each clamping unit is detachably connected with the multi-axis moving assembly. The clamp can realize independent coupling of a plurality of lenses at one time, reduces clamping times, and has the advantages of high clamping efficiency, high coupling efficiency, realization of six-axis adjustment, difficulty in coupling value dropping and the like of the multi-lens optical fiber jumper wire. The quick replacement after the PCB is coupled is realized, and the inconvenience of directly assembling the multi-lens jumper on the coupling platform is solved. The lenses are coupled separately and are not interfered with each other, so that the success rate of primary coupling is improved.
Description
Technical Field
The invention belongs to the technical field of photoelectricity, and particularly relates to a multi-lens coupling clamp and a multi-lens coupling method.
Background
COB (chip on board) technology is a technology for directly mounting a chip on a PCBA by using glue and then performing coupling encapsulation. In recent years, COB packaging schemes have become the mainstream scheme in the field of optical communication data products. Compared with the traditional coaxial process technology, the COB process technology directly bonds the optical chip on the PCB, and omits the TO packaging process in the coaxial packaging process, so that the coaxial packaging technology has the advantages of more compact packaging structure, simpler operation flow, higher efficiency and the like.
The lens coupling in the prior COB coupling process technology is mainly single lens coupling, and multi-lens coupling is not yet involved. Along with the improvement of the speed of the optical transceiver module and the limitation of high-speed signal transmission loss on materials, increasing the number of channels of the optical transceiver module becomes a necessary way for realizing higher speed, and the requirement of high speed can be met by adopting a multi-lens scheme.
Disclosure of Invention
The invention aims to solve the problems of low efficiency and low yield when a single lens coupling clamp couples a plurality of lenses in the prior art.
The invention provides a multi-lens coupling clamp, which comprises a plurality of lens jumpers, a PCB (printed circuit board) for coupling lenses, a mounting base for clamping the PCB, a clamping assembly for clamping a plurality of lenses and a plurality of multi-axis moving assemblies, wherein the mounting base is used for clamping the PCB;
The multi-axis moving assembly comprises a plurality of moving units, and the clamping assembly comprises a plurality of mutually independent clamping units which are respectively used for clamping the lenses, and each clamping unit is detachably connected with the multi-axis moving assembly.
Preferably, the clamping unit further comprises an H-shaped connecting block, and each clamping unit is provided with a hook groove for sliding connection with the H-shaped connecting block.
Preferably, the multi-axis moving assembly comprises a Y-axis moving assembly, an X-axis moving assembly which is arranged on the Y-axis moving assembly and is in sliding connection with the Y-axis moving assembly, and a Z-axis moving assembly which is arranged on the X-axis moving assembly and is in moving connection with the X-axis, and the clamping assembly is detachably connected with the Z-axis moving assembly.
Preferably, the multi-axis moving assembly is provided with a sliding groove, the clamping assembly is provided with a sliding block matched with the slot, a threaded hole is formed in the groove edge of the sliding groove, and a bolt is screwed into the threaded hole to abut against the sliding block.
Preferably, the clamping assembly comprises a fixed block with a threaded hole, a clamping block and an adjusting knob in threaded connection with the fixed block, wherein a protrusion for propping the clamping block against the fixed block is arranged on the adjusting knob, and one end of the adjusting knob penetrates through the clamping block and is screwed into the threaded hole.
Preferably, the fixing block is connected with the clamping block through a spring, and one end of the adjusting knob sequentially penetrates through the clamping block, the spring and the fixing block.
Preferably, the multi-axis moving assembly comprises a screw drive mechanism or a micro-motion mechanism of a dovetail groove.
The invention also provides a multi-lens coupling method, which comprises the following steps:
S01: clamping a PCB on a mounting base, respectively clamping a plurality of lenses on a plurality of clamping units, and connecting the clamping units through H-shaped connecting blocks to form a clamping assembly;
s02: after clamping each clamping assembly on a plurality of independent multi-axis moving assemblies, disassembling the H-shaped connecting blocks;
S03: and moving the multi-axis moving assembly to enable the lenses to be respectively and correspondingly attached to the patch positions on the PCBs.
Preferably, the step S03 further includes:
And sequentially disassembling the clamping unit, the mounting base and the multi-shaft moving assembly, and taking out the coupled PCB.
Preferably, the step S01 specifically includes:
And respectively clamping the plurality of lenses on a plurality of clamping units, wherein each clamping unit is provided with a hook groove, and the two clamping units are in sliding connection through an H-shaped connecting block.
The invention has the beneficial effects that: the multi-lens coupling clamp and the method provided by the invention comprise a plurality of lenses, a PCB (printed circuit board) for coupling the lenses, a mounting base for clamping the PCB, a clamping assembly for clamping a plurality of lenses and a plurality of multi-axis moving assemblies; the multi-axis moving assembly comprises a plurality of moving units, the clamping assembly comprises a plurality of clamping units which are mutually independent and are respectively used for clamping each lens, and each clamping unit is detachably connected with the multi-axis moving assembly. The clamp can realize independent coupling of a plurality of lenses at one time, reduces clamping times, and has the advantages of high clamping efficiency, high coupling efficiency, realization of six-axis adjustment, difficulty in coupling value dropping and the like of the multi-lens optical fiber jumper wire. The quick replacement after the PCB is coupled is realized, and the inconvenience of directly assembling the multi-lens jumper on the coupling platform is solved. The lenses are coupled separately and are not interfered with each other, so that the success rate of primary coupling is improved.
The present invention will be described in further detail with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic view of a multi-lens coupling jig of the present invention;
FIG. 2 is a schematic diagram of a clamping assembly of the multi-lens coupling jig of the present invention;
FIG. 3 is a schematic view of a PCB mounting base of the multi-lens coupling fixture of the present invention;
Fig. 4 is a schematic view of a PCB mounting base clamping of the multi-lens coupling jig of the present invention.
Reference numerals illustrate: the device comprises a mounting base 1, a first clamping unit 2, a second clamping unit 3, a first X-axis moving knob 4, a second X-axis moving knob 5, a first Y-axis moving knob 6, a second Y-axis moving knob 7, a first Z-axis moving knob 8, a second Z-axis moving knob 9,H-type connecting block 10, a first bolt 11, a second bolt 12, a first sliding block 13, a second sliding block 14, a fixed block 15, an adjusting knob 16, a spring 17, a clamping block 18, a first lens 19, a second lens 20, a PCB 21, a first lens coupling position 22 and a second lens coupling position 23.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second" may include one or more such features, either explicitly or implicitly; in the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
The invention provides a multi-lens coupling clamp, which comprises a plurality of lens jumpers, a PCB (printed circuit board) for coupling lenses, a mounting base for clamping the PCB, a clamping assembly for clamping the plurality of lens jumpers and a plurality of multi-axis moving assemblies, wherein the mounting base is used for clamping the PCB; the multi-axis moving assembly comprises a plurality of moving units, and the clamping assembly comprises a plurality of mutually independent clamping units and H-shaped connecting blocks, wherein the clamping units are used for clamping each lens jumper wire respectively, the H-shaped connecting blocks are used for connecting each clamping unit, and each clamping unit is detachably connected with the multi-axis moving assembly respectively.
As shown in fig. 1 to 3, in the XYZ coordinate system, the middle is the installation base 1, the installation base 1 is fixed on the base, the base can move along the Z-axis direction in fig. 1, that is, the base can be lifted and lowered, the lifting principle is realized by a worm and gear mechanism, and the driving mode is the same as that of the multi-axis moving assembly, and the description is omitted. Before installation, the installation base 1 is moved out together with the base, then the PCB 21 is fixedly installed on the installation base 1, then the whole installation base 1 is moved to the middle of the left and right multi-axis moving assemblies, and then the base is lifted. Then a plurality of lens jumpers are clamped on the clamping assembly, as in fig. 2, the clamping assembly comprises two clamping units, the first clamping unit 2 clamps the first lens 19, the second clamping unit 3 clamps the second lens 20, the two lenses are connected through the jumper wire, the two clamping units are connected through the H-shaped connecting block 10, the jumper wire is prevented from being damaged in the moving process, and in other implementation scenes, more clamping units can be further included for clamping more lenses, so that more lens jumpers can be coupled at one time. Then the first clamping unit 2 is detachably connected to the left multi-axis moving assembly, the second clamping unit 3 is detachably connected to the right multi-axis moving assembly, and therefore the multi-lens jumper assembly is assembled to the two multi-axis moving assemblies as a whole, and after the clamping assemblies are fixed, the H-shaped connecting block is detached. Therefore, the inconvenience of directly assembling the multi-lens jumper on the coupling platform is solved, and the clamping efficiency is improved. Then, the left and right multi-axis moving assemblies are finely adjusted to move the positions of the first lens 19 and the second lens 20 on the XYZ axes respectively, so that the first lens coupling position 22 and the second lens coupling position 23 attached to the upper surface of the coupling PCB 21 are aligned respectively, the PCB 21 is fixed in the coupling process, and after the coupling is completed, the PCB 21 is released from the mounting base 1 to be replaced quickly. Wherein a multi-axis motion assembly is a prior art, here a common six-axis motion platform. In the embodiment, the two clamping units are respectively moved by the two multi-axis moving assemblies to realize independent coupling of the two lenses, the multiple lenses are separately coupled and do not interfere with each other, and the success rate of one-time coupling is improved.
The preferred scheme also comprises an H-shaped connecting block, and each clamping unit is provided with a hook groove which is used for being in sliding connection with the H-shaped connecting block. As shown in fig. 2, when clamping the first lens 19 and the second lens 20, the H-shaped connection block 10 is inserted into the hook grooves on the first clamping unit 2 and the second clamping unit 3, the two clamping units are relatively fixed by the special shape of the H-shaped connection block 10, and then the two lenses are respectively clamped, because the optical fibers are arranged between the two lenses, and the lenses are installed after the two clamping units are fixed, so that the optical fibers can be prevented from being pulled.
Preferably, the multi-axis moving assembly comprises a Y-axis moving assembly, an X-axis moving assembly which is arranged on the Y-axis moving assembly and is in sliding connection with the Y-axis moving assembly, and a Z-axis moving assembly which is arranged on the X-axis moving assembly and is in moving connection with the X-axis, and the clamping assembly is detachably connected with the Z-axis moving assembly. Accordingly, as shown in fig. 1, after the lenses are mounted, the first X-axis moving knob 4 and the second X-axis moving knob 5 are rotated respectively to achieve the respective fine adjustment movements of the left and right multi-axis moving assemblies in the X-axis, the first Y-axis moving knob 6 and the second Y-axis moving knob 7 are rotated respectively to achieve the respective fine adjustment movements of the left and right multi-axis moving assemblies in the Y-axis, and the first Z-axis moving knob 8 and the second Z-axis moving knob 9 are rotated respectively to achieve the respective fine adjustment movements of the left and right multi-axis moving assemblies in the Z-axis. In other implementation scenes, according to specific engineering actual needs, other triaxial angle adjustment, namely a six-axis adjustment platform, can be added on the basis of the triaxial movement. The multi-axis moving platform is in the prior art, the working principle of the multi-axis moving platform is not repeated here, and if the application number is 201721062646.8, the multi-axis moving assembly is disclosed as a laser bare fiber automatic coupling device, and the principles of the multi-axis moving assembly are the same.
Preferably, the multi-axis moving assembly is provided with a sliding groove, the clamping assembly is provided with a sliding block matched with the slot, a threaded hole is formed in the edge of the sliding groove, and the bolt is screwed into the threaded hole to abut against the sliding block. It can be seen that, as shown in fig. 3 and 4, the adjustment knob 16 in fig. 3 is longitudinally cut to obtain fig. 4, the adjustment knob 16 passes through the clamping block 18 and is in threaded connection with the fixing block 15, the clamping block 18 can clamp the PCB 21 by screwing in the adjustment knob 16, and when the PCB 21 needs to be loosened, the adjustment knob 16 only needs to be unscrewed. The structure can also be applied to the clamping unit for clamping the lens, and the principle is similar and will not be repeated here.
Preferably, the multi-axis moving assembly is provided with a sliding groove, the clamping assembly is provided with a sliding block matched with the slot, a threaded hole is formed in the edge of the sliding groove, and the bolt is screwed into the threaded hole to abut against the sliding block. As shown in fig. 1 and 2, the first clamping unit 2 and the second clamping unit 3 are provided with a first slider 13 and a second slider 14, respectively, and when clamping, the first slider 13 and the second slider 14 are inserted into slots of two multi-axis moving assemblies, respectively, and then the first bolt 11 is screwed to push against the first slider 13 to clamp the first clamping unit 2, and the second bolt 12 is screwed to push against the second slider 14 to clamp the second clamping unit 3.
In a preferred scheme, the fixing block is connected with the clamping block through a spring, and one end of the adjusting knob sequentially penetrates through the clamping block, the spring and the fixing block. From this, as shown in fig. 4, when the PCB 21 needs to be loosened, the adjusting knob 16 is unscrewed, and the spring pushes the clamping block 18 open under the action of the restoring force, so that the PCB 21 is conveniently and smoothly taken out.
Preferably, the multi-shaft moving assembly comprises a screw rod transmission mechanism or a micro-motion mechanism of a dovetail groove. It follows that the actual drive form of the multi-axis moving assembly is transmitted by the screw.
The embodiment of the invention also provides a multi-lens coupling method, which comprises the following steps:
S01: clamping a PCB on a mounting base, respectively clamping a plurality of lens jumpers on a plurality of clamping units, and connecting the clamping units through H-shaped connecting blocks to form a clamping assembly;
s02: after clamping each clamping assembly on a plurality of independent multi-axis moving assemblies, disassembling the H-shaped connecting blocks;
S03: and moving the multi-axis moving assembly to enable the lenses to be respectively and correspondingly attached to the patch positions on the PCBs.
Preferably, the step S03 further includes:
And sequentially disassembling the clamping unit, the mounting base and the multi-shaft moving assembly, and taking out the coupled PCB.
In a preferred embodiment, the step S01 specifically includes:
And respectively clamping the plurality of lenses on a plurality of clamping units, wherein each clamping unit is provided with a hook groove, and the two clamping units are in sliding connection through an H-shaped connecting block.
The invention has the beneficial effects that: the multi-lens coupling clamp and the method provided by the invention comprise a plurality of lenses, a PCB (printed circuit board) for coupling the lenses, a mounting base for clamping the PCB, a clamping assembly for clamping a plurality of lenses and a plurality of multi-axis moving assemblies; the multi-axis moving assembly comprises a plurality of moving units, the clamping assembly comprises a plurality of clamping units which are mutually independent and are respectively used for clamping each lens, and each clamping unit is detachably connected with the multi-axis moving assembly. The clamp can realize independent coupling of a plurality of lenses at one time, reduces clamping times, and has the advantages of high clamping efficiency, high coupling efficiency, realization of six-axis adjustment, difficulty in coupling value dropping and the like of the multi-lens optical fiber jumper wire. The quick replacement after the PCB is coupled is realized, and the inconvenience of directly assembling the multi-lens jumper on the coupling platform is solved. The lenses are coupled separately and are not interfered with each other, so that the success rate of primary coupling is improved.
The foregoing examples are merely illustrative of the present invention and are not intended to limit the scope of the present invention, and all designs that are the same or similar to the present invention are within the scope of the present invention.
Claims (8)
1. The utility model provides a many lenses coupling anchor clamps, includes a plurality of lens wire jumper and is used for coupling the PCB board of lens, its characterized in that: the device also comprises a mounting base for clamping the PCB, a clamping assembly for clamping a plurality of lens jumpers and a plurality of multi-axis moving assemblies;
The multi-axis moving assembly comprises a plurality of moving units, the clamping assembly comprises a plurality of mutually independent clamping units and H-shaped connecting blocks, the clamping units are respectively used for clamping each lens jumper wire, and the H-shaped connecting blocks are used for connecting each clamping unit, and each clamping unit is detachably connected with the multi-axis moving assembly;
The two lenses are connected through a jumper wire;
Each clamping unit is provided with a hook groove which is used for being connected with the H-shaped connecting block in a sliding manner;
moving the multi-axis moving assembly to enable each lens to be respectively and correspondingly attached to each patch position on the PCB;
the clamping unit, the mounting base and the multi-axis moving assembly are detachable.
2. The multi-lens coupling jig according to claim 1, wherein: the clamping units are respectively provided with a hook groove which is used for being in sliding connection with the H-shaped connecting block.
3. The multi-lens coupling jig according to claim 1, wherein: the multi-axis moving assembly comprises a Y-axis moving assembly, an X-axis moving assembly which is positioned on the Y-axis moving assembly and is in sliding connection with the Y-axis moving assembly, and a Z-axis moving assembly which is positioned on the X-axis moving assembly and is in moving with the X-axis, wherein the clamping assembly is detachably connected with the Z-axis moving assembly.
4. A multi-lens coupling jig according to claim 1 or 3, wherein: the multi-shaft moving assembly is provided with a sliding groove, the clamping assembly is provided with a sliding block matched with the sliding groove, a threaded hole is formed in the groove edge of the sliding groove, and a bolt is screwed into the threaded hole to abut against the sliding block.
5. The multi-lens coupling jig according to claim 1, wherein: the clamping assembly comprises a fixed block with a threaded hole, a clamping block and an adjusting knob in threaded connection with the fixed block, wherein a protrusion for propping the clamping block against the fixed block is arranged on the adjusting knob, and one end of the adjusting knob penetrates through the clamping block and is screwed into the threaded hole.
6. The multi-lens coupling jig according to claim 5, wherein: the fixed block is connected with the clamping block through a spring, and one end of the adjusting knob sequentially penetrates through the clamping block, the spring and the fixed block.
7. The multi-lens coupling jig according to claim 1, wherein: the multi-axis moving assembly comprises a screw rod transmission mechanism or a micro mechanism of a dovetail groove.
8. A multi-lens coupling method, comprising the steps of:
s01: clamping a PCB (printed circuit board) on a mounting base, respectively clamping a plurality of lens jumpers on a plurality of clamping units, and connecting the clamping units through H-shaped connecting blocks to form a clamping assembly, wherein two lenses are connected through a jumper wire;
s02: clamping each clamping assembly on a plurality of independent multi-axis moving assemblies, and then disassembling the H-shaped connecting block;
S03: moving the multi-axis moving assembly to enable each lens to be respectively and correspondingly attached to each patch position on the PCB;
Sequentially disassembling the clamping unit, the mounting base and the multi-axis moving assembly, and taking out the coupled PCB;
And respectively clamping the plurality of lenses on a plurality of clamping units, wherein each clamping unit is provided with a hook groove, and the two clamping units are in sliding connection through an H-shaped connecting block.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910362038.6A CN109946798B (en) | 2019-04-30 | 2019-04-30 | Multi-lens coupling clamp and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910362038.6A CN109946798B (en) | 2019-04-30 | 2019-04-30 | Multi-lens coupling clamp and method |
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| CN109946798A CN109946798A (en) | 2019-06-28 |
| CN109946798B true CN109946798B (en) | 2024-05-17 |
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| CN111751942B (en) * | 2020-07-16 | 2022-02-15 | 武汉匠泽自动化设备有限公司 | COB automatic coupling method and control system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006064885A (en) * | 2004-08-25 | 2006-03-09 | Nippon Telegr & Teleph Corp <Ntt> | Optical module and its manufacturing method |
| CN105259624A (en) * | 2015-11-06 | 2016-01-20 | 武汉电信器件有限公司 | Coupling platform for SFP+COB module assembly for photoelectric communication |
| CN109521536A (en) * | 2018-12-29 | 2019-03-26 | 中南大学 | A kind of butterfly semiconductor laser automatic coupling package equipment |
| CN209821438U (en) * | 2019-04-30 | 2019-12-20 | 武汉华工正源光子技术有限公司 | Multi-lens coupling clamp |
-
2019
- 2019-04-30 CN CN201910362038.6A patent/CN109946798B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006064885A (en) * | 2004-08-25 | 2006-03-09 | Nippon Telegr & Teleph Corp <Ntt> | Optical module and its manufacturing method |
| CN105259624A (en) * | 2015-11-06 | 2016-01-20 | 武汉电信器件有限公司 | Coupling platform for SFP+COB module assembly for photoelectric communication |
| CN109521536A (en) * | 2018-12-29 | 2019-03-26 | 中南大学 | A kind of butterfly semiconductor laser automatic coupling package equipment |
| CN209821438U (en) * | 2019-04-30 | 2019-12-20 | 武汉华工正源光子技术有限公司 | Multi-lens coupling clamp |
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