CN105467250A - Optical device automatic test apparatus - Google Patents

Abstract

This invention discloses an automatic testing machine for optical devices in the field of automated equipment technology. It includes a chassis with a working platform in the middle. A three-axis moving mechanism is mounted on the working platform, comprising an X-axis, a Z-axis, and a Y-axis located at the rear of the working platform. An automatic fiber insertion unit is movably mounted on the main moving part. A fiber optic assembly for testing the optical device is located below the fiber optic movement slide in the Z-direction. A test board that moves along the Y-axis and a test board base for fixing and supporting the test board are mounted on the Y-axis. A fiber cleaning device for cleaning the fiber optic head is located on the side of the test board base. Probes for powering the optical device during testing are located inside the test board base. This invention offers high testing efficiency and accuracy, solving the problem of low efficiency caused by manual single-device testing of optical devices, and achieving automated testing.

Description

Optical device automatic test equipment

technical field

The invention relates to the technical field of automation equipment, in particular to an automatic testing equipment for optical devices.

Background technique

In the field of electronic component manufacturing, it is necessary to conduct mass production tests on the manufactured electronic components to test the quality of electronic components. For the optical components of the optical transmission system, in addition to testing the aforementioned functional performance, it is also necessary to test the quality of the electronic components. The performance parameters of optical devices are tested. At present, most of the performance tests of optical devices adopt manual testing methods, that is, relying on testers to manually test optical devices one by one. Performance test parameters, and the emission and reception performance parameters of the optical device of the device are manually judged by the tester with his eyes to distinguish defective devices. Test items that rely on manual and naked eye observation have subjectivity and inconsistency in test results. At the same time, these test items have high requirements on the skills of testers, and testers need to go through long-term learning and training before they can work. This test method has low test efficiency, poor test accuracy, large manpower consumption, high requirements for personnel skills, and long test time is likely to cause fatigue damage to test personnel and reduce test quality.

Contents of the invention

The purpose of the present invention is to solve the above defects, provide an automatic testing machine for optical devices, which has high testing efficiency and accurate testing, solves the problem of low efficiency of relying on manual single-chip testing for optical device performance testing, and realizes automatic testing.

The purpose of the present invention is achieved in the following manner:

Optical device automatic testing machine, including a chassis, the lower part of the chassis is equipped with a control system and a power supply mechanism, the front side of the chassis is equipped with a button operation area, the top of the chassis is equipped with a computer operation area, and the middle of the chassis is equipped with a working platform. A three-axis moving mechanism capable of three-axis movement is installed on the top. The three-axis moving mechanism includes X moving axes, Z moving axes and Y moving axes arranged at the rear of the working platform. The Z moving axis that can move left and right is set on On the X moving axis and the Z moving axis, there is a main body moving part, and an automatic fiber insertion part is movably arranged on the main body moving part. The fine-tuning slide table, the Y-direction fine-tuning slide table, the Z-direction optical fiber motion slide table are set on the front side of the fiber inserting bracket, the X-direction fine-tuning slide table and the Y-direction fine-tuning slide table are set under the fiber inserting bracket and the Z-direction optical fiber motion slide table The rear part of the Y-direction fine-tuning slide is provided with an X-direction adjustment micrometer, the right side of the Y-direction fine-adjustment slide is provided with a Y-direction adjustment micrometer, and the bottom of the Z-direction optical fiber motion slide is provided with a test optical device Optical fiber assembly, the optical fiber assembly includes a product guide clip for clamping optical devices, a test fiber head and a product guide cylinder arranged at the lower part of the Z-direction optical fiber movement slide table. The optical fiber head is fixed on the optical fiber fixing seat, and the product guiding cylinder is set at the lower part of the X-direction fine-tuning slide table. When the product guiding cylinder is working, the product guiding clip is clamped or loosened. In the middle of the platform, a test board that moves along the direction of the Y movement axis and a test board base for fixing and supporting the test board are provided on the Y moving axis, and an optical fiber cleaning device for cleaning the optical fiber head is provided on the side of the test board base , Inside the base of the test board, there is a probe for testing power supply of the optical device, the conductive end of the probe faces upwards, and it works synchronously with the optical fiber component.

In the above description, in a more preferred solution, the optical fiber cleaning device includes a support fixed on the side of the base of the test board, and an optical fiber cleaning belt, a side plate, a cleaning motor and a motor seat for fixing the cleaning motor are installed on the support, The cleaning motor is fixed on the motor seat, the output shaft of the cleaning motor penetrates into the motor seat and is connected with a rotating shaft, and the rotating shaft penetrates the side plate and is connected with the optical fiber cleaning tape.

In the above description, in a more preferred solution, the test board is composed of a panel and a bottom plate, the surface of the panel is evenly distributed with holes arranged in a straight line, and the surface of the bottom plate is provided with grooves corresponding to the holes. Each hole is provided with a test socket for placing an optical device.

In the above description, in a more preferred solution, the X moving axis includes two pillars vertically arranged on the working platform and a crossbeam spanning the top of the pillars, one end of the crossbeam is provided with an X-direction drive motor, and the inside of the crossbeam is set There is an X-axis drive screw to move the Z moving axis. The X-axis drive screw is provided with an X-axis slide seat. The output of the X-direction drive motor is connected to the X-axis coupling. The X-direction drive motor passes through the X-axis coupling. The device is connected with the X-axis transmission screw, and X-axis limit sensors are respectively arranged on the two ends of the X beam.

In the above description, in a more preferred solution, the Z moving axis includes a Z-axis main beam arranged on the X moving axis, and a Z-axis transmission screw rod is arranged inside the Z-axis main beam to drive the test board base to move in the Z direction. A Z-axis sliding seat is set on the shaft drive screw, and a Z-direction drive motor is provided at the rear of the Z-axis main beam. The output of the Z-direction drive motor is connected to a Z-axis coupling. It is connected with the Z-axis transmission screw rod, and Z-axis limit sensors are respectively arranged on the outer sides of the two ends of the Z-axis main beam.

In the above description, in a more preferred solution, the Y moving axis includes a Y-axis main beam arranged in the upper middle of the working platform, and a Y-axis transmission screw rod is arranged inside the Y-axis main beam to drive the test board base to move in the Y direction. There is a Y-axis slide seat on the shaft drive screw, and a Y-direction drive motor is provided on the rear side of the Y-axis main beam. The output of the Y-direction drive motor is connected to a Y-axis coupling. The Y-axis drive motor passes through the Y-axis coupling. It is connected with the Y-axis transmission screw rod, and Y-axis limit sensors are respectively arranged on the outer sides of the two ends of the Y-axis main beam.

In the above description, in a more preferred solution, the main body moving part includes a main frame arranged on the Z moving axis, and two micro-motion cylinders in the X direction are arranged laterally on the upper and lower inner surfaces of the main frame, and at the same time, the micro-movement cylinders in the two X directions The pneumatic cylinder is equipped with a cylinder slide for matching installation with the fiber optic bracket.

In the above description, in a more preferred solution, a computer display is provided on the computer operation area, and the computer display is connected to the control system and the power supply mechanism.

In the above description, in a more preferred solution, the lower part of the cabinet is provided with a safety door.

In the above description, in a more preferred solution, the bottom of the chassis is provided with leveling machine feet extending downwards, and movable casters are provided on the side of the leveling machine feet.

The beneficial effects produced by the present invention are: the present invention adopts high-precision machining to ensure the flatness of the test plate, and adopts a high-standard test base and a three-axis mechanism to ensure the accuracy of test data, high test efficiency, and free After setting the number of products to be tested, the optical fiber head is cleaned, which solves the problem of low efficiency of relying on manual single-chip testing for optical device performance testing, and realizes automatic testing.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the embodiment of the present invention;

Fig. 2 is a schematic structural diagram of an X moving axis according to an embodiment of the present invention;

Fig. 3 is a schematic structural diagram of the Z moving axis according to an embodiment of the present invention;

Fig. 4 is a schematic structural diagram of the Y moving axis according to an embodiment of the present invention;

5 is a schematic diagram of the combined structure of the main body moving part and the automatic fiber insertion part according to the embodiment of the present invention;

6 is a schematic structural view of the automatic fiber insertion unit according to an embodiment of the present invention;

FIG. 7 is a schematic structural view of a test board base and a test board according to an embodiment of the present invention;

Figure 8 is an exploded view of the structure of the optical fiber cleaning device according to the embodiment of the present invention;

In the figure, 1 is the chassis, 2 is the button operation area, 3 is the computer operation area, 4 is the working platform, 5 is the X movement axis, 6 is the Z movement axis, 7 is the Y movement axis, 8 is the main frame, and 9 is the X movement axis. Direction micro-movement cylinder, 10 is cylinder slide seat, 11 is fine-tuning slide table in X direction, 12 is fine-tuning slide table in Y direction, 13 is micrometer for X direction adjustment, 14 is micrometer for Y direction adjustment, 15 is product guiding clip, 16 is Test optical fiber head, 17 is the product guide cylinder, 18 is the groove, 19 is the test board base, 20 is the fiber cleaning device, 21 is the panel, 22 is the bottom plate, 23 is the optical device, 24 is the test socket, 25 is the computer monitor , 26 is the safety door, 27 is the leveling machine foot, 28 is the fiber optic bracket, 29 is the Z-direction fiber optic motion slide table, 500 is the pillar, 501 is the beam, 502 is the X-direction drive motor, 503 is the X-axis transmission screw, 504 is the X-axis coupling, 505 is the X-axis limit sensor, 506 is the X-axis sliding seat, 600 is the Z-axis main beam, 601 is the Z-axis sliding seat, 602 is the Z-direction driving motor, 603 is the Z-axis coupling Shaft device, 604 is the Z-axis limit sensor, 700 is the Y-axis main beam, 701 is the Y-axis slide seat, 702 is the Y-direction drive motor, 703 is the Y-axis coupling, 704 is the Y-axis limit sensor, 2000 is the support, 2001 is the optical fiber cleaning belt, 2002 is the side plate, 2003 is the cleaning motor, 2004 is the motor seat, and 2005 is the rotating shaft.

detailed description

The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

In this embodiment, referring to Figures 1 to 8, the optical device 23 automatic testing machine in this solution includes a chassis 1, a control system and a power supply mechanism are installed in the lower part of the chassis 1, and a button operation area 2 is provided on the front side of the chassis 1. The top of the cabinet 1 is provided with a computer operating area 3, and the middle part of the cabinet 1 is provided with a working platform 4, on which a three-axis moving mechanism capable of three-axis movement is installed. The X moving shaft 5, Z moving shaft 6 and Y moving shaft 7 at the rear, the Z moving shaft 6 can move left and right and is arranged on the X moving shaft 5, and the Z moving shaft 6 is provided with a main body moving part, and on the main body The moving part is movably provided with an automatic optical fiber insertion part. The main body moving part includes a main frame 8 arranged on a Z moving axis 6. Two micro-motion cylinders 9 in the X direction are arranged laterally on the upper and lower inner surfaces of the main frame 8. At the same time, on the two X-direction micro-movement cylinders 9, cylinder slides 10 for pairing with the fiber-inserting bracket 28 are installed. Table 11, Y-direction fine-tuning slide 12, Z-direction optical fiber motion slide 29 is arranged on the front side of the fiber insertion support 28, X-direction fine-adjustment slide 11 and Y-direction fine-adjustment slide 12 are arranged on the bottom of the insertion fiber support 28 and Z The rear part of the optical fiber movement slide table 29 in the Y direction is connected, the right side of the Y direction fine adjustment slide table 12 is provided with an X direction adjustment micrometer 13, and the Y direction fine adjustment slide table 12 right side is provided with a Y direction adjustment micrometer 14, which is located in the Z direction optical fiber movement. The lower part of the slide table 29 is provided with an optical fiber assembly for testing the optical device 23, and the optical fiber assembly includes a product guide clip 15 for clamping the optical device 23, a test fiber head 16, and a product that are arranged at the bottom of the optical fiber movement slide table 29 in the Z direction. The guiding cylinder 17 is provided with an optical fiber fixing seat on the sliding table in the Z direction. The test fiber head 16 is fixed on the optical fiber fixing seat. , so that the product guide clip 15 is clamped or loosened. The Y moving axis 7 is arranged in the middle of the working platform 4, and the Y moving axis 7 is provided with a test plate that moves along the direction of the Y moving axis 7 and is used for fixing The test plate base 19 supporting the test plate adopts high-precision machining to ensure the flatness of the test plate and adopts a high-standard test base to ensure the accuracy of the test data. The side of the test plate base 19 is provided with cleaning The optical fiber cleaning device 20 of the optical fiber head, in the embodiment, is equivalent to every test 50 times, (that is, 50 is an optical device 23) the test fiber head 16 automatically moves to the optical fiber cleaning device 20, at this time the optical fiber cleaning device 20 is on the test fiber The head 16 is cleaned once, and a probe for testing power supply of the optical device 23 is provided inside the test board base 19 , the conductive end of the probe faces upwards, and synchronously cooperates with the optical fiber assembly.

The equipment automatically corrects the products on the test board to avoid misjudgment. The equipment automatically inserts and removes the test fiber to ensure the consistency of the test. The equipment automatically cleans the test fiber to ensure the accuracy of the test data. The equipment automatically cleans the test fiber to ensure the accuracy of the test data. One-to-one correspondence of test data and automatic coverage of retest data.

The optical fiber cleaning device 20 includes a support 2000 fixed on the side of the test board base 19, an optical fiber cleaning belt 2001, a side plate 2002, a cleaning motor 2003 and a motor seat 2004 for fixing the cleaning motor 2003 are installed on the support 2000, cleaning The motor 2003 is fixed on the motor base 2004 , the output shaft of the cleaning motor 2003 passes through the motor base 2004 and is connected with the rotating shaft 2005 , the rotating shaft 2005 penetrates the side plate 2002 and is connected with the optical fiber cleaning belt 2001 in transmission. Automatically clean the fiber optic head, which can be set according to the test quantity of the product to clean the fiber optic head.

The test board is composed of a panel 21 and a bottom plate 22. The surface of the panel 21 is evenly distributed with holes arranged in a straight line, and the surface of the bottom plate 22 is provided with grooves 18 corresponding to the holes. A test socket 24 for placing an optical device 23 is arranged on it. The test board of this embodiment has 100 holes, and the holes of the panel 21 and the bottom plate 22 correspond to each other, that is, 100 products can be installed.

As shown in Figure 2, the X moving axis 5 includes two pillars 500 vertically arranged on the working platform 4 and a crossbeam 501 across the top of the pillars 500, one end of the crossbeam 501 is provided with an X-direction driving motor 502, and the crossbeam The inside of 501 is provided with an X-axis transmission screw 503 that moves the Z moving axis 6, an X-axis slide 506 is arranged on the X-axis transmission screw 503, and an X-axis coupling 504 is connected to the output of the X-direction drive motor 502. The X-direction driving motor 502 is connected to the X-axis driving screw 503 through an X-axis coupling 504 , and X-axis limit sensors 505 are respectively arranged on the two ends of the X beam 501 .

As shown in Figure 3, the Z moving axis 6 includes a Z-axis main beam 600 arranged on the X moving axis 5, and the Z-axis main beam 600 is internally provided with a Z-axis transmission screw rod that drives the test board base 19 to move in the Z direction. A Z-axis sliding seat 601 is arranged on the shaft transmission screw rod, and a Z-direction driving motor 602 is arranged at the rear of the Z-axis main beam 600. The output of the Z-direction driving motor 602 is connected with a Z-axis coupling 603. The Z-direction driving motor 602 It is connected with the Z-axis transmission screw through a Z-axis coupling 603 , and Z-axis limit sensors 604 are respectively arranged outside the two ends of the Z-axis main beam 600 .

As shown in Figure 4, the Y moving axis 7 includes a Y-axis main beam 700 arranged on the upper middle part of the working platform 4, and the Y-axis main beam 700 is provided with a Y-axis transmission screw rod that drives the test board base 19 to move in the Y direction. A Y-axis sliding seat 701 is arranged on the shaft transmission screw rod, and a Y-direction driving motor 702 is arranged on the rear side of the Y-axis main beam 700. The output of the Y-direction driving motor 702 is connected with a Y-axis coupling 703. The Y-direction driving motor 702 It is connected with the Y-axis transmission screw rod through the Y-axis coupling 703 , and Y-axis limit sensors 704 are respectively arranged on the outer sides of the two ends of the Y-axis main beam 700 .

In addition, a computer display 25 is arranged on the computer operation area 3, and the computer display 25 is connected with the control system and the power supply mechanism. A safety door 26 is provided at the bottom of the cabinet 1 . The bottom of the cabinet 1 is extended downward with a leveling machine foot 27 , and movable casters are arranged on the side of the leveling machine foot 27 . The invention adopts high-precision machining to ensure the flatness of the test plate, adopts a high-standard test base and a three-axis mechanism to ensure the accuracy of the test data, and the test efficiency is high. Clean, solves the problem of low efficiency of optical device 23 performance testing relying on manual single-chip testing, and realizes automatic testing.

The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be assumed that the specific implementation of the present invention is limited to these descriptions. For those of ordinary skill in the technical field of the present invention, without departing from the concept of the present invention, some simple deduction or replacement can also be made, which should be regarded as the protection scope of the present invention.

Claims (10)

1. optical device automatic test machine, comprise cabinet, the bottom of cabinet is provided with control system and administration of power supply, the front side of cabinet is provided with push-botton operation district, the top of cabinet is provided with computation district, the middle part of cabinet is provided with workbench, workbench is provided with can three axle travel mechanisms of three axle movements, it is characterized in that: described three axle travel mechanisms comprise the X shifting axle being arranged on workbench rear portion, Z shifting axle and Y shifting axle, what described Z shifting axle can move left and right is arranged on X shifting axle, Z shifting axle is provided with bulk motion portion, and in bulk motion portion, be provided with slotting optical fiber portion automatically movably, this inserts optical fiber portion automatically by inserting structure of fiber_optic, Z-direction fibre movement slide unit, X-direction fine setting slide unit, Y-direction fine setting slide unit, the front side of slotting structure of fiber_optic is located at by Z-direction fibre movement slide unit, the below that X-direction fine setting slide unit is located at slotting structure of fiber_optic with Y-direction fine setting slide unit is connected with the rear portion of Z-direction fibre movement slide unit, X-direction adjustment milscale is provided with on the right side of described Y-direction fine setting slide unit, Y-direction adjustment milscale is provided with on the right side of Y-direction fine setting slide unit, the bottom being positioned at Z-direction fibre movement slide unit is provided with the optical fiber component of test light device, this optical fiber component comprises the product correcting clip for clamping optical device being arranged on Z-direction fibre movement slide unit bottom, measuring fiber head and product correcting cylinder, Z-direction slide unit is provided with fiber fixed seat, measuring fiber head is fixed on fiber fixed seat, product correcting cylinder is located at the bottom of X-direction fine setting slide unit, during product correcting cylinder operation, make product correcting clamp or unclamp action, described Y shifting axle is arranged on the middle part of workbench, Y shifting axle is provided with along the direction movement of Y shifting axle test board and play the test board base of test board for fixed support, the side of described test board base is provided with the optical fiber cleaning device for clean optical fiber head, test board chassis interior is provided with the probe for optical device test power supply, the conducting end of this probe upward, and with the action of optical fiber component synchronous matching.

2. optical device automatic test machine according to claim 1, it is characterized in that: described optical fiber cleaning device comprises the bearing being fixed on test board base side, bearing is provided with optical fiber cleaning band, side plate, clean motor and the motor base for fixing clean motor, clean motor is fixed on motor base, the output shaft of clean motor penetrates motor base and is connected with turning axle, and this turning axle penetrates side plate and is in transmission connection with optical fiber cleaning band.

3. optical device automatic test machine according to claim 1, it is characterized in that: described test board is made up of panel and base plate, the surface of panel is distributed with the position, hole arranged with yi word pattern display, backplate surface is provided with the groove mutually corresponding with position, hole, on position, each hole, be all provided with the test jack for placing optical device.

4. the optical device automatic test machine according to claims 1 to 3 any one, it is characterized in that: described X shifting axle comprises two and is vertically arranged on pillar on workbench and across the crossbeam in post top portion, one end of crossbeam is provided with X-direction CD-ROM drive motor, the inside of crossbeam is provided with the X-axis drive lead screw making the movement of Z shifting axle, the output of X-direction CD-ROM drive motor is connected with X-axis shaft coupling, this X-direction CD-ROM drive motor is connected with X-axis drive lead screw by X-axis shaft coupling, and is respectively arranged with X-axis limit induction device at two end surfaces of X crossbeam.

5. want the optical device automatic test machine described in 4 according to right, it is characterized in that: described Z shifting axle comprises the Z axis girder be arranged on X shifting axle, Z axis girder inside is provided with the Z-axis transmission screw mandrel driving the movement of test board base Z-direction, X-axis drive lead screw is provided with X-axis slide, Z-axis transmission screw mandrel is provided with Z axis slide, Z axis girder rear portion is provided with Z-direction CD-ROM drive motor, the output of Z-direction CD-ROM drive motor is connected with Z axis shaft coupling, this Z-direction CD-ROM drive motor is connected with Z-axis transmission screw mandrel by Z axis shaft coupling, and outside the two ends of Z axis girder, be respectively arranged with Z axis limit induction device.

6. optical device automatic test machine according to claim 4, it is characterized in that: described Y shifting axle comprises the Y-axis girder being arranged on middle part on workbench, Y-axis girder inside is provided with the Y-axis drive lead screw driving the movement of test board base Y-direction, Y-axis drive lead screw is provided with Y-axis slide, Y-direction CD-ROM drive motor is provided with on rear side of Y-axis girder, the output of Y-direction CD-ROM drive motor is connected with Y-axis shaft coupling, this Y-direction CD-ROM drive motor is connected with Y-axis drive lead screw by Y-axis shaft coupling, and outside the two ends of Y-axis girder, be respectively arranged with Y-axis limit induction device.

7. the optical device automatic test machine according to claims 1 to 3 any one, it is characterized in that: described bulk motion portion comprises the main frame be arranged on Z shifting axle, the medial surface up and down of main frame is horizontally arranged with two X-direction micro-cylinders, is provided with for the cylinder slide with slotting structure of fiber_optic mounted in pairing mode on two X-direction micro-cylinders simultaneously.

8. optical device automatic test machine according to claim 7, is characterized in that: described computation district is provided with computer monitor, and computer monitor is connected with control system and administration of power supply.

9. optical device automatic test machine according to claim 8, is characterized in that: the bottom of described cabinet is provided with safety door.

10. optical device automatic test machine according to claim 8 or claim 9, is characterized in that: the bottom of described cabinet is down extended leveling under-chassis, and the side being positioned at leveling under-chassis is provided with movable castor.