CN111468830A - COC optical fiber automatic coupling packaging equipment and method - Google Patents

COC optical fiber automatic coupling packaging equipment and method Download PDF

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Publication number
CN111468830A
CN111468830A CN202010303443.3A CN202010303443A CN111468830A CN 111468830 A CN111468830 A CN 111468830A CN 202010303443 A CN202010303443 A CN 202010303443A CN 111468830 A CN111468830 A CN 111468830A
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China
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base
coc
welding
clamping
clamp
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CN202010303443.3A
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CN111468830B (en
Inventor
段吉安
唐佳
卢胜强
徐聪
彭晋文
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Central South University
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Central South University
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/20—Bonding
    • B23K26/21—Bonding by welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/08—Devices involving relative movement between laser beam and workpiece
    • B23K26/0869—Devices involving movement of the laser head in at least one axial direction
    • B23K26/0876—Devices involving movement of the laser head in at least one axial direction in at least two axial directions
    • B23K26/0884—Devices involving movement of the laser head in at least one axial direction in at least two axial directions in at least in three axial directions, e.g. manipulators, robots
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/70—Auxiliary operations or equipment
    • B23K26/702—Auxiliary equipment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/0426—Fixtures for other work
    • B23K37/0435—Clamps
    • B23K37/0443—Jigs

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Engineering (AREA)
  • Plasma & Fusion (AREA)
  • Robotics (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Laser Beam Processing (AREA)

Abstract

The invention provides a COC optical fiber automatic coupling packaging device and a method, comprising the following steps: the base clamping mechanism is used for clamping a COC base, and a tail fiber mounting groove, a laser chip and a lens are arranged on the COC base; the tail fiber clamping mechanism is used for clamping a tail fiber and coupling the tail fiber with the COC base, the tail fiber is composed of an optical fiber and a tail fiber fixing block, one end of the optical fiber penetrates through the tail fiber fixing block, and the other end of the optical fiber is connected with an optical power meter; the power-up mechanism is used for supplying power to the laser chip, the monitoring mechanism is used for monitoring the relative position of the tail fiber and the COC base, and the laser welding mechanism is used for welding the tail fiber and the COC base; the method comprises the following steps: clamping the device, coupling the optical fiber, welding and fixing to finish packaging; the invention has reasonable design, high detection precision and high equipment utilization rate, reduces the degree of manual participation, avoids the phenomenon of product damage and effectively reduces the production cost.

Description

COC optical fiber automatic coupling packaging equipment and method
Technical Field
The invention relates to the technical field of butterfly semiconductor laser production devices, in particular to automatic COC optical fiber coupling packaging equipment and a method.
Background
With the development of COC optical fiber communication and COC optical fiber sensing technologies, the preparation of optoelectronic devices becomes the key of the progress of optical information technology. In optical communication products, the demand for optoelectronic devices such as butterfly semiconductor lasers is growing more and more. The butterfly semiconductor laser is the most commonly used long-distance transmission optical signal amplification device in the COC optical fiber communication industry, and an important component, namely a COC unit, needs to be installed in the butterfly semiconductor laser.
The COC unit is composed of a base and a tail fiber, wherein a laser chip and a lens are pre-installed on the base component, the tail fiber needs to be fixedly assembled on the base component in a coupling packaging mode, in the coupling process of the tail fiber, the tail fiber and the base need to be aligned with each other at first, so that light of the laser chip can be transmitted to the tail fiber through the lens, most of the existing alignment modes are that whether the coupling process is aligned is judged manually according to the output power of the laser chip received by the tail fiber, fine adjustment is carried out by using an adjusting platform, and after the alignment is finished, the tail fiber and the base need to be fixed by laser welding.
At present, most enterprises still adopt manual operation to produce COC units, partial products can realize semi-automation, but tail fiber coupling still needs to be completed manually by skilled technicians under the assistance of a microscope, and due to limited manpower, the production mode is time-consuming, the yield is reduced possibly due to device damage caused by misoperation, and the production cost is greatly improved, so that the problems of low tail fiber coupling precision, high packaging cost, low product qualification rate and the like in the prior art are solved, and the development of the butterfly semiconductor laser is the most important factor in the current development of the butterfly semiconductor laser.
Disclosure of Invention
The invention provides automatic COC optical fiber coupling and packaging equipment and a method, and aims to solve the problems of low production efficiency, low tail fiber coupling precision, high packaging cost and low product yield in the prior art.
In order to achieve the above object, an embodiment of the present invention provides a COC optical fiber automatic coupling packaging apparatus, including: the device comprises an installation platform, an installation plate, an arched beam structure, a tail fiber clamping mechanism, a base clamping mechanism, a power-up mechanism, a laser welding mechanism and a monitoring mechanism; the base clamping mechanism is used for clamping a COC base, a tail fiber mounting groove is formed in one end of the COC base, a laser chip is arranged at the other end of the COC base, and a lens is arranged between the tail fiber mounting groove and the laser chip; the tail fiber clamping mechanism is used for clamping a tail fiber and coupling the tail fiber with the COC base, the tail fiber is composed of an optical fiber and a tail fiber fixing block, one end of the optical fiber penetrates through the tail fiber fixing block, and the other end of the optical fiber is connected with an optical power meter; the power-up mechanism is used for supplying power to the laser chip, the monitoring mechanism is used for monitoring the relative position of the tail fiber and the COC base, and the laser welding mechanism is used for welding and packaging the tail fiber and the COC base.
The mounting plate is mounted on the mounting platform through bolts, the arched beam structure comprises a cross beam and two support columns, and the cross beam is erected above the mounting plate through the two support columns; the tail optical fiber clamping mechanism is arranged on one side of the mounting plate, the power-on mechanism and the tail optical fiber clamping mechanism are oppositely arranged on the other side of the mounting plate, the base clamping mechanism is arranged at the middle position of the mounting plate, the laser welding mechanism is arranged on the cross beam, the monitoring mechanism is provided with a plane monitoring device and a longitudinal surface monitoring device, the plane monitoring device is fixedly arranged on the cross beam, and the longitudinal surface monitoring device is fixedly arranged on the mounting platform which is positioned on the outer side of the base clamping mechanism.
The tail fiber clamping mechanism comprises a three-dimensional moving device, an angle adjusting device and a clamp seat, wherein the three-dimensional moving device is provided with three stacked moving sliding tables, the three moving sliding tables are respectively provided with X, Y degrees of freedom and Z degrees of freedom, the angle adjusting device is formed by stacking three angle sliding tables in different angle directions, the three-dimensional moving device is fixedly arranged on the mounting plate, the angle adjusting device is arranged on the three-dimensional moving device, the clamp seat is arranged towards the direction of the base clamping mechanism, the clamp seat is arranged on a front end sliding plate of the angle adjusting device, an embedded groove is formed in the front end of the clamp seat, a fastening bolt penetrates through the clamp seat beside the embedded groove, and a tail fiber clamp is movably arranged in the embedded groove through the fastening bolt; the tail fiber clamp comprises a clamp main body and a clamping arm, the rear ends of the clamp main body and the clamping arm are of an integrated structure, an elastic through hole is formed in the connecting position of the top surface of the clamping arm and the clamp main body, and a locking bolt penetrates through the side surface of the clamping arm; the angle adjusting device is further provided with an air cylinder clamping jaw, the air cylinder clamping jaw is installed on the angle adjusting device through the Z-direction adjusting module and the X-direction adjusting module, and the air cylinder clamping jaw is used for clamping a welding part.
The base clamping mechanism comprises a clamping base and a base clamp, the clamping base is mounted on the mounting plate, an air suction hole and an air suction groove are formed in the top of the clamping base, an air port is formed in the clamping base, the air port is communicated with the air suction hole, and the base clamp is movably mounted on the top of the clamping base through the air suction hole and the air suction groove; the base anchor clamps include anchor clamps base, anchor clamps front stall and press from both sides tight piece, the anchor clamps front stall sets up the front end of anchor clamps base, the centre gripping groove has been seted up at anchor clamps front stall middle part, a propelling movement bolt is worn to be equipped with by the rear end of anchor clamps base, the front end of propelling movement bolt passes anchor clamps base fixed connection press from both sides tight piece, press from both sides tight piece and set up with sliding in the centre gripping inslot, the centre gripping inslot is used for placing the COC base.
Wherein, add power mechanism and include last electric base, high electronic slip table, two manual three-dimensional platform and two probe anchor clamps, it installs to go up the electric base on the mounting panel, high electronic slip table is installed go up the electric base on, two manual three-dimensional platform symmetry is installed on the motion bench of high electronic slip table, two probe anchor clamps are installed respectively on the manual three-dimensional platform, the passageway has been seted up to probe anchor clamps's bottom, wear to be equipped with the dead lever in the passageway, the probe through-hole has been seted up to the front end of dead lever, wear to be equipped with the probe in the probe through-hole, the rebound groove has still been seted up in probe anchor clamps's the passageway, the dead lever is being located the position of rebound groove is provided with.
Wherein, laser welding mechanism includes welding height adjustment slip table, two welding adjustment platforms and two laser generation devices, welding height adjustment slip table is installed through a welding mounting panel under the crossbeam, two welding adjustment platform symmetry is installed on the motion bench of welding height adjustment slip table, two laser generation devices are fixed mounting respectively on two welding adjustment platforms, the laser welding mouth of laser generation device is aimed at the COC base.
The plane monitoring device and the longitudinal surface monitoring device are both provided with manual adjusting devices, and the manual adjusting devices are both provided with microscope cones.
The embodiment of the invention also provides a COC optical fiber automatic coupling packaging method, which is applied to the COC optical fiber automatic coupling packaging equipment in the embodiment and comprises the following steps:
the method comprises the following steps: the device comprises a clamping device, a clamp seat and a clamping base, wherein the clamping device is used for clamping a tail fiber, a COC base, a welding piece and a probe to a tail fiber clamp, a base clamp, a cylinder clamping jaw and a probe clamp, and the tail fiber clamp and the base clamp are respectively arranged on the clamp seat and the clamping base;
step two: powering on a laser chip, and driving the probe clamp to move through the height electric sliding table to enable the probe to touch a power supply area of the laser chip, so that the laser chip is powered on and emits light;
step three: the optical fiber coupling device drives the cylinder clamping jaw and a tail fiber clamp through the three-dimensional movement device and the angle adjusting device to load the welding piece to the bottom of the tail fiber fixing block and couple the tail fiber and the welding piece to the tail fiber mounting groove;
step four: and welding and fixing, namely driving the laser generating device to weld the welding part and the COC base through a welding height adjusting sliding table, and then welding the tail fiber fixing block and the welding part.
Step five: and finishing packaging, loosening each clamp, taking out the COC unit, and returning the power-on mechanism, the tail fiber clamping mechanism and the laser welding mechanism to the initial positions.
And in the third step, whether coupling is successful is judged through the detection value of the optical power meter, and whether the tail fiber collides with the COC base is monitored through a longitudinal surface monitoring device.
In the fourth step, the welding mode between the welding part and the COC base is lap welding, and the welding mode between the welding part and the tail fiber is penetration welding.
The scheme of the invention has the following beneficial effects:
according to the COC optical fiber automatic coupling packaging equipment and the COC optical fiber automatic coupling packaging method, the tail fiber is clamped by the tail fiber clamp through the tail fiber clamping mechanism for active coupling, the welding part can be stably clamped by the air cylinder clamping jaw and is coupled and installed between the tail fiber and the COC base, the X/Y/Z coordinate can be changed through the three-dimensional motion device in the coupling process, meanwhile, the angle of the tail fiber clamp can be adjusted by the angle adjusting device so as to seek a better coupling angle, and the tail fiber clamp is movably installed in the embedded groove of the clamp base through the fastening bolt, so that the replacement speed is high, the idle time of the equipment is short, and the production efficiency can be effectively improved; the COC base is clamped by the base clamping mechanism through the base clamp, and the base clamp is adsorbed on the base clamp through the air suction groove, so that the quick replacement can be realized, and the utilization rate of the device is improved; the power-on mechanism adjusts the position of the probe clamp through the height electric sliding table and the manual three-dimensional platform so as to adapt to the power supply positions of different COC base optical power chips, the applicability is effectively improved, and the probe clamp is matched with the return spring through the fixed rod to fix the probe, so that the probe can be stably clamped; the laser welding mechanism regulates and controls the position of the laser generating device through the welding height adjusting sliding table and the welding adjusting platform, so that the laser generating device can be used for high-speed and high-efficiency welding when coupling welding is needed; the plane monitoring device and the longitudinal plane monitoring device can be matched with the optical power meter to improve the coupling accuracy together, so that the yield is improved. The invention has reasonable design, accurate detection precision of the device and high utilization rate, reduces the degree of manual participation, reduces the probability of product damage and effectively reduces the production cost.
Drawings
FIG. 1 is a schematic structural diagram of an apparatus and a method for COC optical fiber automatic coupling packaging according to the present invention;
FIG. 2 is a schematic structural diagram of a first clamping mechanism of the COC optical fiber automatic coupling packaging apparatus and method according to the present invention;
FIG. 3 is a schematic structural diagram of a pigtail clamp of the COC optical fiber automatic coupling packaging apparatus and method of the present invention;
FIG. 4 is a schematic structural view of a second clamping mechanism of the COC optical fiber automatic coupling packaging apparatus and method according to the present invention;
FIG. 5 is a schematic structural diagram of a clamping base of the COC optical fiber automatic coupling packaging apparatus and method of the present invention;
FIG. 6 is a schematic diagram of a base fixture structure of the COC optical fiber automatic coupling packaging apparatus and method of the present invention;
FIG. 7 is a schematic structural diagram of a power-on mechanism of the COC optical fiber automatic coupling packaging apparatus and method according to the present invention;
FIG. 8 is a schematic structural diagram of a probe clamp of the COC optical fiber automatic coupling packaging apparatus and method according to the present invention;
FIG. 9 is a cross-sectional view of a probe clamp of the COC optical fiber automatic coupling packaging apparatus and method of the present invention;
FIG. 10 is a schematic structural diagram of a laser welding mechanism of the COC optical fiber automatic coupling packaging apparatus and method according to the present invention;
FIG. 11 is a structural diagram of a detecting mechanism of the COC optical fiber automatic coupling packaging apparatus and method according to the present invention;
fig. 12 is a schematic block diagram of a method of the COC optical fiber auto-coupling packaging apparatus and method of the present invention.
[ description of reference ]
1-mounting a platform; 2-mounting a plate; 3-arched beam structure; 4-tail fiber clamping mechanism; 5-a base clamping mechanism; 6-a power-up mechanism; 7-a laser welding mechanism; 8-a monitoring mechanism; 301-a cross beam; 302-support column; 401-pigtail; 402-a three-dimensional motion device; 402 a-motion stage; 403-angle adjustment means; 403 a-angular slide; 404-a clamp seat; 405-fastening bolts; 406-pigtail clamp; 406 a-a clamp body; 406 b-a clamping arm; 406 c-elastic vias; 406 d-locking bolt; 407-cylinder jaws; 407a-Z direction adjusting module; 407b-X direction adjusting module; 501-COC base; 502-clamping a base; 502 a-suction hole; 502 b-suction groove; 503-base clamp; 503 a-clamp base; 503 b-front holder of the clamp; 503 c-clamping block; 503 d-clamping groove; 503 e-push bolt; 601-height electric sliding table; 602-a manual three-dimensional platform; 602 a-manual probe slide; 603-a probe holder; 603 a-fixing bar; 603 b-probe through holes; 603 c-rebound slot; 604-a probe; 701-laser welding port; 702-welding height adjustment of the sliding table; 703-welding an adjusting platform; 704-a laser generating device; 705-welding the mounting plate; 706-laser telescopic sliding table; 801-plane monitoring device; 802-longitudinal monitoring device; 803 a-monitoring a manual slide; 803 b-monitoring the height adjustment means; 804-microscope tube.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
The invention provides COC optical fiber automatic coupling packaging equipment aiming at the problems of low production efficiency, low tail fiber coupling precision, high packaging cost and low product yield in the prior art.
As shown in fig. 1, fig. 2, and fig. 4, an embodiment of the present invention provides a COC optical fiber automatic coupling packaging apparatus, including: the device comprises an installation platform 1, an installation plate 2, an arched beam structure 3, a tail fiber clamping mechanism 4, a base clamping mechanism 5, a power-up mechanism 6, a laser welding mechanism 7 and a monitoring mechanism 8; the base clamping mechanism 5 is used for clamping a COC base 501, a tail fiber mounting groove is formed in one end of the COC base 501, a laser chip is arranged at the other end of the COC base 501, and a lens is arranged between the tail fiber mounting groove and the laser chip; the pigtail clamping mechanism 4 is used for clamping a pigtail 401 and coupling the pigtail 401 with a COC base 501, the pigtail 401 is composed of an optical fiber and a pigtail fixing block, one end of the optical fiber penetrates through the pigtail fixing block, and the other end of the optical fiber is connected with an optical power meter; the power-up mechanism 6 is used for supplying power to the laser chip, the monitoring mechanism 8 is used for monitoring the relative positions of the pigtail 401 and the COC base 501, and the laser welding mechanism 7 is used for welding and packaging the pigtail 401 and the COC base 501.
As shown in fig. 1 and 11, the mounting plate 2 is mounted on the mounting platform 1 by bolts, the arched girder structure 3 includes a cross beam 301 and two support columns 302, and the cross beam 301 is spanned above the mounting plate 2 by the two support columns 302; tail optical fiber clamping machine constructs 4 and sets up one side of mounting panel 2, add power mechanism 6 with tail optical fiber clamping machine constructs 4 and sets up relatively the opposite side of mounting panel 2, base clamping machine constructs 5 and sets up the intermediate position of mounting panel 2, laser welding machine constructs 7 and sets up on the crossbeam 301, monitoring machine constructs 8 and is provided with plane monitoring devices 801 and indulges a monitoring devices 802, plane monitoring devices 801 fixed mounting is in on the crossbeam 301, it is in to indulge a monitoring devices 802 fixed setting mounting platform 1 is located the outside of base clamping machine constructs 5.
In the COC optical fiber automatic coupling and packaging device according to the above embodiment of the present invention, the pigtail clamping mechanism 4 is configured to clamp and transport the pigtail 401, and the base clamping mechanism 5 is configured to clamp the COC base 501; after the pigtail 401 and the COC base 501 are clamped in advance, the power-up mechanism 6 starts to operate, so that the laser chip emits light, the pigtail clamping mechanism 4 clamps the pigtail 401 and gradually moves and couples to the pigtail mounting groove, the plane monitoring device 801 and the longitudinal plane monitoring device 802 respectively located above and on the side can detect the position of the pigtail 401 in real time to feed back and adjust the movement of the pigtail clamping mechanism 4, so that the coupling precision and the coupling efficiency are improved, meanwhile, the optical power meter is connected with an upper computer, the optical power meter can receive light emitted by the laser chip through the lens, judge whether the coupling is successful according to the optical power measured by the optical power chip, judge that the coupling is completed when the optical power value is in a proper interval, and after the coupling is confirmed, the laser welding mechanism 7 can adjust and descend to a proper position to start to perform coupling between the pigtail 401 and the COC base 501 And welding to complete the packaging process.
As shown in fig. 2 and 3, the pigtail clamping mechanism 4 comprises a three-dimensional moving device 402, an angle adjusting device 403 and a clamp seat 404, the three-dimensional moving device 402 is provided with three moving stages 402a mounted in a stack, the three moving stages 402a having X, Y and Z-directional degrees of freedom respectively, the angle adjusting device 403 is formed by stacking three angle slide tables 403a with different angle directions, the three-dimensional moving device 402 is fixedly installed on the installation plate 2, the angle adjusting device 403 is installed on the three-dimensional moving device 402, the clamp base 404 is arranged towards the direction of the base clamping mechanism 5, the clamp base 404 is arranged on a front end sliding plate of the angle adjusting device 403, the front end of the clamp seat 404 is provided with an embedded groove, a fastening bolt 405 is arranged on the clamp seat 404 beside the embedded groove in a penetrating way, a pigtail clamp 406 is movably arranged in the embedded groove through the fastening bolt 405; the pigtail clamp 406 comprises a clamp main body 406a and a clamping arm 406b, the rear ends of the clamp main body 406a and the clamping arm 406b are of an integral structure, an elastic through hole 406c is formed in the connection position of the top surface of the clamping arm 406b and the clamp main body 406a, a locking bolt 406d is arranged on the side surface of the clamping arm 406b in a penetrating mode, an air cylinder clamping jaw 407 is further arranged on the angle adjusting device 403, the air cylinder clamping jaw 407 is installed on the angle adjusting device 403 through a Z-direction adjusting module 407a and an X-direction adjusting module 407b, and the air cylinder clamping jaw 407 is used for clamping a welding piece 408.
In the COC optical fiber automatic coupling and packaging apparatus according to the above embodiment of the present invention, the three-dimensional moving device 402 is provided with three moving sliding tables, the three moving sliding tables are oriented in the X axis direction, the Y axis direction and the Z axis direction respectively, so that the three moving sliding tables have XYZ three-way degrees of freedom, and the spatial position of the pigtail fixture 406 can be freely adjusted, the angle adjusting device 403 can adjust the angular direction of the pigtail 401 located at the front end through the three angular position sliding tables 403a, so as to accurately control the coupling between the pigtail 401 and the COC base 501, and both the moving sliding table 402a and the angular position sliding table 403a are electrically connected to the upper computer, so that both the moving sliding table 402a and the angular position sliding table 403a can be adjusted in real time according to the detection value of the optical power; the pigtail clamp 406 is fixedly arranged in the embedded groove of the clamp seat 404 through the fastening bolt 405, so that more pigtail clamps 406 can be prepared in advance to clamp the pigtail 401 in advance during the operation of the device, the idle time of the device is reduced, and the equipment utilization rate is improved; when the tail fiber 401 is clamped, the tail fiber 401 is placed in a tail fiber clamping groove at the front ends of the clamp arm 406b and the clamp main body 406a, the clamping arm 406b and the clamp main body 406a are mutually closed to clamp the tail fiber 401 by screwing the locking bolt 406d, and the clamping arm 406b can utilize smaller force to clamp the tail fiber 401 due to the elastic through hole 406c, so that the damage probability of components is reduced. The Z-direction adjusting module 407a and the X-direction adjusting module 407b are driven by cylinders, and can adjust the spatial position of the cylinder clamping jaw 407, so that the cylinder clamping jaw can ascend, descend, advance and retreat; the cylinder clamping jaw 407 can be used for clamping the welding piece 408, the welding piece 408 is clamped at the bottom of a tail fiber fixing block of the tail fiber 401 during welding, and the welding piece 408 is connected between the tail fiber 401 and the COC base 501 as a connecting piece during coupling.
As shown in fig. 4 to 6, the base clamping mechanism 5 includes a clamping base 502 and a base clamp 503, the clamping base 502 is mounted on the mounting plate 2, an air suction hole 502a and an air suction groove 502b are formed in the top of the clamping base 502, the clamping base is provided with an air port, the air port is communicated with the air suction hole 502a, and the base clamp 503 is movably mounted on the top of the clamping base 502 through the air suction hole 502a and the air suction groove 502 b; the base clamp 503 comprises a clamp base 503a, a clamp front seat 503b and a clamping block 503c, the clamp front seat 503b is arranged at the front end of the clamp base 503a, a clamping groove 503d is formed in the middle of the clamp front seat 503b, a pushing bolt 503e is arranged at the rear end of the clamp base 503a in a penetrating mode, the front end of the pushing bolt 503e penetrates through the clamp base 503a to be fixedly connected with the clamping block 503c, the clamping block 503c is arranged in the clamping groove 503d in a sliding mode, and the COC base 501 is placed in the clamping groove 503 d.
In the COC optical fiber automatic coupling and packaging device according to the above embodiment of the present invention, the COC base 501 is installed in the clamping groove 503d, the pushing bolt 503e is screwed, the clamping block 503c advances along the clamping groove 503d to fix the COC base 501, after the fixation is completed, the pressure lower than the atmospheric pressure is introduced into the air port, and the base clamp 503 can be fixed to the top of the clamping base 502 by being adsorbed by the air-adsorbing groove 502b, so as to be movably installed on the clamping base 502, so that a plurality of base clamps 503 can be prepared in advance during the operation of the device, and the clamping of the COC base 501 is completed, and when the device stops operating, the device can be quickly replaced, thereby improving the device utilization rate and improving the production efficiency.
As shown in fig. 7 to 9, add power mechanism 6 and include last electric base, high electronic slip table 601, two manual three-dimensional platform 602 and two probe anchor clamps 603, it installs to go up the electric base on mounting panel 2, high electronic slip table 601 is installed go up on the electric base, two manual three-dimensional platform 602 symmetry is installed on the motion platform of high electronic slip table 601, two probe anchor clamps 603 are installed respectively on manual three-dimensional platform 602, the passageway has been seted up to the bottom of probe anchor clamps 603, wear to be equipped with dead lever 603a in the passageway, probe through-hole 603b has been seted up to the front end of dead lever 603a, wear to be equipped with probe 604 in probe through-hole 603b, bounce groove 603c has still been seted up in the passageway of probe anchor clamps 603, dead lever 603a is located bounce groove 603 c's position is provided with the answer spring.
According to the COC optical fiber automatic coupling packaging device of the above embodiment of the present invention, by pressing the tail of the fixing rod 603a, the fixing rod 603a is driven to move forward to compress the return spring, and at the same time, the probe through hole 603b is exposed outside the shell of the probe clamp 603, the probe 604 can be inserted through the probe through hole 603b, after the probe 604 is inserted and the fixing rod 603a is released, the return spring rebounds to fix the middle of the probe 604 in the probe through hole 603b, and two sides of the middle of the probe 604 abut against the shell of the probe clamp 603; the probe clamp 603 is mounted on the manual three-dimensional platform 602, the manual three-dimensional platform 602 is formed by stacking three probe manual sliding tables 602a to respectively control displacement in the X/Y/Z direction, and the preset position in the X/Y/Z direction space of the probe 604 can be changed according to actual conditions by adjusting a handle of the probe manual sliding table 602a, so that the probe clamp has better applicability; when the equipment is started to operate, the height electric sliding table 601 can control the whole probe clamp 603 to descend so as to supply power to the laser chip.
As shown in fig. 10, the laser welding mechanism 7 includes a welding height adjustment sliding table 702, two welding adjustment platforms 703 and two laser generation devices 704, the welding height adjustment sliding table 702 is installed under the cross beam 301 through a welding installation plate 705, two welding adjustment platforms 703 are symmetrically installed on the moving table of the welding height adjustment sliding table 702, the two laser generation devices 704 are respectively and fixedly installed on the two welding adjustment platforms 703, and the laser welding port 701 of the laser generation device 704 is aligned with the COC base 501.
In the COC optical fiber automatic coupling and packaging apparatus according to the above embodiment of the present invention, the laser generating device 704 is provided with the laser welding port 701, the laser generating device 704 is installed on the welding height adjusting sliding table 702 through the welding adjusting platform 703, the welding adjusting platform 703 can realize adjustment of a spatial position and a rotation angle of a single laser generating device 704, a laser telescopic sliding table 706 is further provided between the welding adjusting platform 703 and the laser generating device 704, and can drive the laser generating device 704 to extend and retract along a current angle direction, and when the pigtail 401 is coupled in the pigtail installation groove, the laser generating device 704 may come to a proper position to start welding.
As shown in fig. 11, the plane monitoring device 801 and the longitudinal plane monitoring device 802 are both provided with manual adjusting devices, and the manual adjusting devices are both provided with microscope barrels 804.
In the COC optical fiber automatic coupling and packaging apparatus according to the above embodiment of the present invention, the manual adjustment device is formed by stacking two monitoring manual sliding tables 803a and one monitoring height adjustment device 803b, each monitoring manual sliding table 803a can adjust the position of the sliding plate through a handle, and the three monitoring manual sliding tables 803a are respectively used for controlling the adjustment of X/Y coordinates, so that the monitoring lens barrel 804 arranged on the manual adjustment device can adjust the monitoring position according to the actual production requirement; meanwhile, the microscope cones 804 are electrically connected with the upper computer, can display pictures in real time, and have a visual identification function, so that the relative position relationship between the pigtail 401 and the COC base 501 can be monitored efficiently and precisely, and the product yield is improved.
The present embodiment further provides a COC optical fiber automatic coupling packaging method, which is applied to the COC optical fiber automatic coupling packaging device in the foregoing embodiment, and includes:
the method comprises the following steps: the clamping device clamps the pigtail 401, the COC base 501, the welding piece 408 and the probe 604 on the pigtail clamp 406, the base clamp 503, the cylinder clamping jaw 407 and the probe clamp 603 respectively, and mounts the pigtail clamp 406 and the base clamp 503 on the clamp seat 404 and the clamping base 502 respectively;
step two: powering on a laser chip, adjusting the manual three-dimensional platform 602 according to the monitoring of the plane monitoring device 801, enabling the probe 604 to reach a set range and be used for powering on the laser chip, and contacting the probe 604 with a power supply area of the laser chip by adjusting the height electric sliding table 601, so as to enable the laser chip to be powered on and emit light;
step three: the optical fiber coupling, the pigtail fixture 406 adjusts the angle through the angle adjusting device 403, the three-dimensional moving device 402 is used to adjust the spatial position of the pigtail fixture 406, and the Z-direction adjusting module 407a and the X-direction adjusting module 407b are used to load the weldment 408 to the bottom of the pigtail fixing block, and couple the pigtail 401 together with the weldment 408 into the pigtail installation slot; in the coupling process, the monitoring value of the optical power meter is used as a basis for judging whether the coupling is successful or not, and the monitoring value is fed back to the upper computer, so that the position of the pigtail 401 is adjusted in real time through the angle adjusting device 403 or the three-dimensional movement device 402; the longitudinal monitoring device 802 monitors the position relationship between the pigtail 401 and the COC base 501 in real time, and prevents the pigtail 401 from falling or devices from being damaged due to collision between the pigtail 401 and the COC base 501.
Step four: welding and fixing, wherein the two laser generating devices 704 move above the COC base 501 in a manual adjusting mode during primary welding and start welding, and meanwhile, the moving track is recorded, and then the overall height is adjusted by the welding height adjusting sliding table 702 according to the record during each welding; in the welding process, the welding piece 408 is firstly welded with the COC base 501, and then the welding piece 408 is welded with a tail fiber fixing block of the tail fiber 401; the welding piece 408 and the COC base 501 are lap-welded, that is, a plurality of welding points are uniformly welded in a gap between the welding piece 408 and the COC base 501 for fixation, the welding piece 408 and a tail fiber fixing block on the tail fiber 401 are penetration welded, and the welding piece is penetrated by adjusting the laser emission power of the laser generating device 704, so that the welding piece 408 and the tail fiber 401 are firmly welded.
Step five: and (3) completing packaging, loosening the pigtail clamp 406, the base clamp 503 and the cylinder clamping jaw 407, taking out the COC unit, and returning the height electric sliding table 601, the angle adjusting device 403, the three-dimensional moving device 402 and the welding height adjusting sliding table 702 to the initial positions.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (10)

1. An automatic COC fiber coupling and packaging device, comprising: the device comprises an installation platform, an installation plate, an arched beam structure, a tail fiber clamping mechanism, a base clamping mechanism, a power-up mechanism, a laser welding mechanism and a monitoring mechanism; the base clamping mechanism is used for clamping a COC base, a tail fiber mounting groove is formed in one end of the COC base, a laser chip is arranged at the other end of the COC base, and a lens is arranged between the tail fiber mounting groove and the laser chip; the tail fiber clamping mechanism is used for clamping a tail fiber and coupling the tail fiber with the COC base, the tail fiber is composed of an optical fiber and a tail fiber fixing block, one end of the optical fiber penetrates through the tail fiber fixing block, and the other end of the optical fiber is connected with an optical power meter; the power-up mechanism is used for supplying power to the laser chip, the monitoring mechanism is used for monitoring the relative position of the tail fiber and the COC base, and the laser welding mechanism is used for welding and packaging the tail fiber and the COC base.
2. The COC optical fiber auto-coupling packaging apparatus of claim 1, wherein the mounting plate is mounted on the mounting platform by bolts, the arched beam structure comprises a beam and two support posts, and the beam is erected above the mounting plate by the two support posts; the tail optical fiber clamping mechanism is arranged on one side of the mounting plate, the power-on mechanism and the tail optical fiber clamping mechanism are oppositely arranged on the other side of the mounting plate, the base clamping mechanism is arranged at the middle position of the mounting plate, the laser welding mechanism is arranged on the cross beam, the monitoring mechanism is provided with a plane monitoring device and a longitudinal surface monitoring device, the plane monitoring device is fixedly arranged on the cross beam, and the longitudinal surface monitoring device is fixedly arranged on the mounting platform which is positioned on the outer side of the base clamping mechanism.
3. The COC optical fiber auto-coupling packaging apparatus of claim 2, the tail fiber clamping mechanism comprises a three-dimensional movement device, an angle adjusting device and a clamp seat, the three-dimensional movement device is provided with three movement sliding tables which are stacked and installed, the three moving sliding tables respectively have X, Y degrees of freedom and Z-direction degrees of freedom, the angle adjusting device is formed by stacking three angle sliding tables in different angle directions, the three-dimensional motion device is fixedly arranged on the mounting plate, the angle adjusting device is arranged on the three-dimensional motion device, the clamp seat is arranged towards the direction of the base clamping mechanism, the clamp seat is arranged on a front end sliding plate of the angle adjusting device, an embedded groove is formed in the front end of the clamp seat, a fastening bolt penetrates through the clamp seat and is positioned beside the embedded groove, and a tail fiber clamp is movably mounted in the embedded groove through the fastening bolt; the tail fiber clamp comprises a clamp main body and a clamping arm, the rear ends of the clamp main body and the clamping arm are of an integrated structure, an elastic through hole is formed in the connecting position of the top surface of the clamping arm and the clamp main body, and a locking bolt penetrates through the side surface of the clamping arm; the angle adjusting device is further provided with an air cylinder clamping jaw, the air cylinder clamping jaw is installed on the angle adjusting device through the Z-direction adjusting module and the X-direction adjusting module, and the air cylinder clamping jaw is used for clamping a welding part.
4. The COC optical fiber automatic coupling packaging device of claim 2, wherein the base clamping mechanism comprises a clamping base and a base clamp, the clamping base is mounted on the mounting plate, an air suction hole and an air suction groove are formed in the top of the clamping base, the clamping base is provided with an air port, the air port is communicated with the air suction hole, and the base clamp is movably mounted on the top of the clamping base through the air suction hole and the air suction groove; the base anchor clamps include anchor clamps base, anchor clamps front stall and press from both sides tight piece, the anchor clamps front stall sets up the front end of anchor clamps base, the centre gripping groove has been seted up at anchor clamps front stall middle part, a propelling movement bolt is worn to be equipped with by the rear end of anchor clamps base, the front end of propelling movement bolt passes anchor clamps base fixed connection press from both sides tight piece, press from both sides tight piece and set up with sliding in the centre gripping inslot, the centre gripping inslot is used for placing the COC base.
5. The COC optical fiber automatic coupling packaging device of claim 2, wherein the power-up mechanism comprises a power-up base, a high electric sliding table, two manual three-dimensional platforms and two probe clamps, the power-up base is mounted on the mounting plate, the high electric sliding table is mounted on the power-up base, the two manual three-dimensional platforms are symmetrically mounted on the motion table of the high electric sliding table, the two probe clamps are respectively mounted on the manual three-dimensional platforms, a channel is formed in the bottom of each probe clamp, a fixing rod is arranged in the channel in a penetrating manner, a probe through hole is formed in the front end of the fixing rod, a probe is arranged in the probe through hole in a penetrating manner, a rebound groove is further formed in the channel of each probe clamp, and a return spring is arranged on the fixing rod at the position of the rebound groove.
6. The COC optical fiber automatic coupling packaging device of claim 2, wherein the laser welding mechanism comprises a welding height adjusting sliding table, two welding adjusting platforms and two laser generating devices, the welding height adjusting sliding table is installed below the cross beam through a welding installation plate, the two welding adjusting platforms are symmetrically installed on a moving table of the welding height adjusting sliding table, the two laser generating devices are respectively and fixedly installed on the two welding adjusting platforms, and laser welding ports of the laser generating devices are aligned with the COC base.
7. The COC optical fiber automatic coupling packaging device of claim 2, wherein the plane monitoring device and the longitudinal surface monitoring device are both provided with manual adjusting devices, and the manual adjusting devices are both provided with microscope cones.
8. A COC optical fiber automatic coupling packaging method applied to the COC optical fiber automatic coupling packaging device according to any one of claims 1 to 9, comprising:
the method comprises the following steps: the device comprises a clamping device, a clamp seat and a clamping base, wherein the clamping device is used for clamping a tail fiber, a COC base, a welding piece and a probe to a tail fiber clamp, a base clamp, a cylinder clamping jaw and a probe clamp, and the tail fiber clamp and the base clamp are respectively arranged on the clamp seat and the clamping base;
step two: powering on a laser chip, and driving the probe clamp to move through the height electric sliding table to enable the probe to touch a power supply area of the laser chip, so that the laser chip is powered on and emits light;
step three: the optical fiber coupling device drives the cylinder clamping jaw and a tail fiber clamp through the three-dimensional movement device and the angle adjusting device to load the welding piece to the bottom of the tail fiber fixing block and couple the tail fiber and the welding piece to the tail fiber mounting groove;
step four: welding and fixing, namely driving the laser generating device to weld a welding piece and the COC base through a welding height adjusting sliding table, and then welding a tail fiber fixing block and the welding piece;
step five: and finishing packaging, loosening each clamp, taking out the COC unit, and returning the power-on mechanism, the tail fiber clamping mechanism and the laser welding mechanism to the initial positions.
9. The COC optical fiber automatic coupling packaging method of claim 8, wherein in the third step, whether coupling is successful is judged through a detection value of the optical power meter, and whether the pigtail and the COC base collide is monitored through a longitudinal monitoring device.
10. The COC optical fiber automatic coupling packaging method of claim 8, wherein in the fourth step, the welding manner between the welding member and the COC base is lap welding, and the welding manner between the welding member and the tail fiber is penetration welding.
CN202010303443.3A 2020-04-17 2020-04-17 COC optical fiber automatic coupling packaging equipment and method Active CN111468830B (en)

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CN113820802A (en) * 2021-11-22 2021-12-21 西安奇芯光电科技有限公司 CWDM coupling device

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