Optical module automatic feeding and discharging end face detection equipment

Abstract

The invention relates to the technical field of optical module detection, in particular to optical module automatic loading and unloading end face detection equipment, which comprises a detection workbench, an automatic loading and unloading device, an automatic loading and unloading device and an automatic loading and unloading device, the optical module clamping assembly is installed on the mechanical arm, and the optical module is clamped through the optical module clamping assembly; the optical module horizontal keeping mechanism is installed on the optical module clamping assembly, and the optical module is limited through the optical module horizontal keeping mechanism, so that the optical module is in a stable horizontal state; the mechanical arm clamps the optical module and transfers the optical module to the optical fiber end face detector, detection of the optical fiber end face of the optical module is completed, automatic feeding and discharging during optical module detection are achieved, time and labor are saved, operation is easy, the detection efficiency is high, the plugging force can be accurately controlled through the mechanical arm, and damage to the optical module is avoided.

Description

Technical Field

[0001] This invention relates to the field of optical module testing technology, specifically to an end-face testing device for automatic loading and unloading of optical modules. Background Technology

[0002] Optical modules are key components in optical fiber communication systems. Their performance is closely related to the quality of their fiber endfaces. If there are contaminants, scratches, or other defects on the fiber endface, it may cause problems such as signal attenuation, reflection, or scattering, which can seriously interfere with the transmission efficiency of the optical module and shorten its service life. Therefore, optical modules need to undergo fiber endface testing before leaving the factory. Traditional optical module fiber endface testing requires manual insertion of the probe on the fiber endface testing instrument into the optical port to complete the fiber endface testing. This process is done manually, resulting in low testing efficiency, low automation, and inconvenient operation. Furthermore, it is difficult for humans to accurately control the insertion process, which can easily damage the optical module. Summary of the Invention

[0003] The purpose of this invention is to provide an end-face inspection device for automatic loading and unloading of optical modules, so as to solve the problem mentioned in the background art of low efficiency and easy damage to optical modules when inspecting the optical fiber end face of optical modules.

[0004] To achieve the above objectives, the present invention provides the following technical solution: An end-face inspection device for automatic loading and unloading of optical modules includes: an inspection workbench, on which a robotic arm is installed to move the optical modules; An optical module clamping assembly is mounted on a robotic arm to clamp optical modules. An optical module horizontal holding mechanism is installed on the optical module clamping assembly. The optical module is restricted by the optical module horizontal holding mechanism to keep it in a stable horizontal state. An optical fiber end-face inspection assembly is installed on an inspection workbench. A robotic arm moves an optical module to the optical fiber end-face inspection assembly, and the optical fiber end-face of the optical module is inspected by the optical fiber end-face inspection assembly.

[0005] Furthermore, the optical module clamping assembly includes: an assembly plate, which is fixedly mounted on the robotic arm; An electric telescopic pole is fixedly installed on an assembly plate, and a drive support plate is fixedly installed on the electric telescopic pole. The drive support plate is moved by the electric telescopic pole. Two movable clamping bars are symmetrically and movably mounted on the assembly plate.

[0006] Furthermore, the drive receiving plate is movably connected to the movable clamping bar, and the drive receiving plate drives the movable clamping bar to move relative to the assembly plate.

[0007] Furthermore, the two movable clamping bars clamp the optical module when they move towards each other, and release the optical module when they move away from each other.

[0008] Furthermore, the optical module horizontal holding mechanism includes: a first movable support block, which is movably mounted on a movable clamping strip, and the first movable support block is moved by a drive receiving plate; A rotating bearing block is movably mounted on a movable clamping bar.

[0009] Furthermore, the first movable support block is movably connected to the rotating support block, and the first movable support block drives the rotating support block to rotate. A movable support plate is fixedly installed on the rotating block, and the movable support plate limits the optical module from the bottom.

[0010] Furthermore, the optical module horizontal holding mechanism also includes: a mating support block, which is movably mounted on the movable clamping strip and is moved by the driving support plate; The movable limiting strip is movably mounted on the movable clamping strip and movably connected to the mating support block.

[0011] Furthermore, the cooperating support block drives the movable limiting strip to rotate, and the movable limiting strip limits the optical module from the top.

[0012] Furthermore, the fiber end face inspection assembly includes: a fiber end face inspection instrument, which is fixedly installed on the inspection workbench; The testing support frame is also fixedly installed on the testing workbench; The first plate frame is movably mounted on the testing support frame and is moved upward by the moving clamps.

[0013] Furthermore, an adapter is installed on the first board frame, a probe is fixedly installed on the adapter, and the adapter is electrically connected to the fiber optic end face detector; When performing fiber end face testing on an optical module, the probe is inserted into the optical port of the optical module.

[0014] Compared with the prior art, the beneficial effects of the present invention are: the present invention has a reasonable structural design and strong functionality, and has the following advantages: 1. The optical module is clamped by a robotic arm and transferred to the fiber end face inspection instrument to complete the inspection of the optical fiber end face of the optical module. This realizes automatic loading and unloading of optical modules during inspection, which saves time and labor, is simple to operate, and has high inspection efficiency. The robotic arm can accurately control the insertion and removal force to avoid damage to the optical module.

[0015] 2. The optical module is clamped by the movable clamping bar. When the optical module is transferred towards the fiber optic end face detector, it can be further limited, supported and adjusted by the movable support plate and movable limiting bar, so that the optical module can maintain a stable horizontal state and achieve accurate insertion and removal operations.

[0016] 3. In addition, when not being tested, the adapter is stored in the storage cavity on the fiber optic end face tester. This can prevent the probe from accumulating dust in the external environment when not in use, which would lead to inaccurate test results. When testing, the adapter can be moved out of the storage cavity by the action of the inclined push bar, so that the probe can be smoothly inserted into the optical port of the optical module. Attached Figure Description

[0017] Figure 1 A first-person view diagram of the assembly of the inspection workbench.

[0018] Figure 2 A second-view schematic diagram of the assembly of the inspection workbench.

[0019] Figure 3 A first-person perspective diagram of the assembly of the robotic arm.

[0020] Figure 4 A second-view diagram illustrating the assembly of a robotic arm.

[0021] Figure 5 This is a schematic diagram showing the coordination of the fiber optic end face inspection instrument, the inspection support, and the first plate frame.

[0022] Figure 6 A first-person view diagram of the assembly of the assembly panels.

[0023] Figure 7 A second-view diagram illustrating the assembly of assembly panels.

[0024] Figure 8 A first-person view of the assembly of the movable clamping bar.

[0025] Figure 9 A second-view schematic diagram of the assembly of the movable clamping bar.

[0026] Figure 10 This is a schematic diagram of the movable clamping bar.

[0027] Figure 11 This is a structural diagram to match the support block.

[0028] Figure 12 This is a schematic diagram of the structure of the movable limit bar.

[0029] In the diagram: 1. Inspection workbench; 11. Robotic arm; 12. Fiber optic end face inspector; 13. Reception cavity; 14. Inspection support frame; 15. Mounting guide hole; 2. Assembly plate; 21. Assembly support bar; 22. Support guide hole; 23. Electric telescopic rod; 24. Drive support plate; 25. Protruding bar frame; 26. Matching drive rod; 27. Lower pressure frame plate; 3. Moving clamping bar; 31. Support mounting rod; 32. Clamping drive channel; 33. Clamping holding channel; 34. Inclined push bar; 35. Assembly protrusion plate; 36. First insertion hole; 37. Second insertion hole; 38. Rotating cavity; 381. Mounting through hole; 39. Extended clamping plate; 4. First 41. Movable support block; 42. Movable insert rod; 43. First mating spring; 44. Second movable support block; 5. Rack; 6. Rotating support block; 51. Movable support plate; 52. Rotating column; 53. Bearing; 54. Special-shaped gear; 6. Mating support block; 61. Movable connecting rod; 62. Support base block; 63. Second mating spring; 64. Circling strip; 65. Connecting strip; 66. Mating cylinder; 7. Movable limiting strip; 71. Hinge column; 72. Connecting channel; 73. Sliding cavity; 8. First plate frame; 81. Movable support rod; 82. Support roller; 83. Limiting insert rod; 84. Second plate frame; 85. Adapter; 86. Probe. Detailed Implementation

[0030] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0031] This invention provides a technical solution: like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, an automatic optical module loading and unloading end-face inspection device includes: an inspection worktable 1, an optical module clamping assembly, an optical module horizontal holding mechanism, an optical fiber end-face inspection assembly, and a robot arm 11 installed on the inspection worktable 1. The robot arm 11 drives the optical module to move, and the robot arm 11 is a robot arm of the prior art. The optical module clamping assembly is installed on the robot arm 11 and clamps the optical module. The clamping of the optical module drives the optical module to move, realizing loading and unloading. The optical module horizontal holding mechanism is installed on the optical module clamping assembly and restricts the optical module to a stable horizontal state. This enables accurate and smooth insertion during optical module inspection. The optical fiber end-face inspection assembly is installed on the inspection worktable 1. The robot arm 11 moves the optical module to the optical fiber end-face inspection assembly, and the optical fiber end-face of the optical module is inspected by the optical fiber end-face inspection assembly. The inspection results are compared with the set standards.

[0032] like Figure 4 , Figure 6 , Figure 7 and Figure 10 As shown, the optical module clamping assembly includes: an assembly plate 2, an electric telescopic rod 23, and a movable clamping bar 3. The assembly plate 2 is fixedly mounted on the robot arm 11 by bolts, and an assembly support bar 21 is symmetrically welded and fixed on the assembly plate 2 by welding process. A support guide hole 22 is opened on the assembly support bar 21.

[0033] The electric telescopic rod 23 is fixedly installed on the assembly plate 2 by bolts, and a drive support plate 24 is fixedly installed on the electric telescopic rod 23 by bolts. The electric telescopic rod 23 drives the drive support plate 24 to move. In addition, a protruding frame 25 is symmetrically and integrally formed and fixed on the drive support plate 24. A matching drive rod 26 is welded and fixed on the protruding frame 25 by welding process. The surface of the matching drive rod 26 is smooth and burr-free. A pressure frame plate 27 is welded and fixed on the end of the matching drive rod 26 away from the protruding frame 25 by welding process.

[0034] Two movable clamping bars 3 are symmetrically and movably mounted on the assembly plate 2. Specifically, a support mounting rod 31 is welded and fixed to the movable clamping bar 3 by welding. The support mounting rod 31 is inserted into the support guide hole 22. The movable clamping bar 3 is movably mounted on the assembly plate 2 by the cooperation between the support mounting rod 31 and the support guide hole 22. The cooperation between the support mounting rod 31 and the support guide hole 22 provides support and guidance for the movable clamping bar 3, so that the support mounting rod 31 can only move along the support guide hole 22.

[0035] The movable clamping bar 3 has a clamping drive channel 32, and a clamping and holding channel 33 is connected to the lower side of the clamping drive channel 32. The clamping drive channel 32 and the clamping and holding channel 33 are interconnected, and the inner walls of both are smooth and burr-free, and the inner widths of both are equal. In addition, a beveled push bar 34 is welded and fixed to the movable clamping bar 3 by welding process. The surface of the beveled push bar 34 is smooth and burr-free. An assembly protrusion 35 is also welded and fixed to the movable clamping bar 3 by welding process. A first insertion hole 36 and a second insertion hole 37 are provided on the assembly protrusion 35. A rotating cavity 38 is provided at the lower end of the movable clamping bar 3. A mounting through hole 381 is symmetrically provided on the cavity wall of the rotating cavity 38. An extension clamping plate 39 is integrally formed and fixed on the movable clamping bar 3 next to the rotating cavity 38. The extension clamping plate 39 increases the contact area between the movable clamping bar 3 and the optical module, ensuring that the movable clamping bar 3 stably clamps the optical module.

[0036] The drive receiving plate 24 is movably connected to the movable clamping strip 3. The drive receiving plate 24 drives the movable clamping strip 3 to move relative to the assembly plate 2. Specifically, before the drive receiving plate 24 moves downward, the mating drive rod 26 on the drive receiving plate 24 is inserted into the clamping drive channel 32. The mating drive rod 26 and the clamping drive channel 32 cooperate to achieve the movable connection between the drive receiving plate 24 and the movable clamping strip 3. The mating drive rod 26 is in contact with the inner wall of the clamping drive channel 32. In addition, when the two movable clamping strips 3 move towards each other, they clamp the optical module. When the two movable clamping strips 3 move away from each other, they release the optical module. Furthermore, when the mating drive rod 26 moves downward along the clamping drive channel 32, the mating drive rod 26 and the clamping drive channel 32 will drive the two movable clamping strips 3 to move towards each other. When the mating drive rod 26 reaches the clamping holding channel 33, the two movable clamping strips 3 will no longer move relative to the assembly plate 2.

[0037] like Figure 6 , Figure 7 , Figure 8 , Figure 9 , Figure 11 and Figure 12As shown, the optical module horizontal holding mechanism includes: a first movable support block 4, a rotating support block 5, a mating support block 6, and a movable limiting strip 7. The first movable support block 4 is movably mounted on the movable clamping strip 3. The first movable support block 4 is moved by the driving support plate 24. Specifically, a movable insertion rod 41 is welded to the lower end of the first movable support block 4 by welding. The movable insertion rod 41 is inserted into the second insertion hole 37. The first movable support block 4 is movably mounted on the movable clamping strip 3 by the cooperation between the second insertion hole 37 and the movable insertion rod 41, and the movable insertion rod 41 is limited by the cooperation between the second insertion hole 37 and the movable insertion rod 41, so that the movable insertion rod 41 can only move up and down along the second insertion hole 37. When the driving support plate 24 moves down, the lower pressure frame plate 27 on the driving support plate 24 will contact the first movable support block 4. Thus, under the action of the lower pressure frame plate 27, the first movable support block 4 will be moved down.

[0038] A first engaging spring 42 is sleeved on the movable insert 41. The first engaging spring 42 is located on the upper side of the mounting protrusion 35, and the upper end of the first engaging spring 42 is fixed on the first movable support block 4, and the lower end of the first engaging spring 42 is fixed on the mounting protrusion 35. In addition, a second movable support block 43 is welded to the lower end of the movable insert 41 by welding process. The second movable support block 43 is located on the lower side of the mounting protrusion 35, and a rack 44 is welded to the lower end of the second movable support block 43 by welding process.

[0039] The rotating support block 5 is movably mounted on the movable clamping bar 3. Specifically, the rotating support block 5 is inserted into the rotating cavity 38, and a rotating column 52 is fixedly installed on the rotating support block 5. A bearing 53 is sleeved on the rotating column 52, and the bearing 53 is inserted into the mounting through hole 381. The rotating support block 5 is movably mounted in the rotating cavity 38 through the cooperation of the bearing 53 and the mounting through hole 381. Furthermore, a special-shaped gear 54 is welded and fixed to one end of the rotating column 52 by welding process.

[0040] The first movable support block 4 is movably connected to the rotating support block 5. The first movable support block 4 drives the rotating support block 5 to rotate. Specifically, the rack 44 on the first movable support block 4 meshes with the special gear 54 on the rotating support block 5. When the first movable support block 4 moves up and down, it drives the rack 44 to move up and down. In this way, the rack 44 can drive the special gear 54 to rotate, thereby driving the rotating support block 5 to rotate.

[0041] A movable support plate 51 is integrally formed and fixed on the rotating support block 5. The surface of the movable support plate 51 is smooth and burr-free. When the movable support plate 51 does not support or limit the optical module, it is located outside the two movable clamping strips 3. When it supports and limits the optical module, the rotating support block 5 rotates 180 degrees, causing the movable support plate 51 to rotate to the inside of the movable clamping strips 3, so that the movable support plate 51 limits the optical module from the bottom of the optical module.

[0042] The mating support block 6 is movably mounted on the movable clamping strip 3. The mating support block 6 is moved by the drive receiving plate 24. Specifically, the lower end of the mating support block 6 is welded to a movable connecting rod 61. The movable connecting rod 61 is inserted into the first insertion hole 36. The mating support block 6 is movably mounted on the movable clamping strip 3 by the cooperation between the movable connecting rod 61 and the first insertion hole 36. The cooperation between the movable connecting rod 61 and the first insertion hole 36 also limits and guides the movable connecting rod 61, so that the movable connecting rod 61 can only move up and down along the first insertion hole 36. A surrounding strip 64 is also welded to the mating support block 6. When the drive receiving plate 24 moves downward, it will contact the surrounding strip 64. Thus, under the action of the drive receiving plate 24, the mating support block 6 will move downward.

[0043] Additionally, a support base block 62 is welded to the lower end of the movable connecting rod 61. The support base block 62 is located below the mounting protrusion 35. A second mating spring 63 is sleeved on the movable connecting rod 61. The second mating spring 63 is also located below the mounting protrusion 35. The upper end of the second mating spring 63 is fixed to the lower end surface of the mounting protrusion 35, and the lower end of the second mating spring 63 is fixed to the upper end surface of the support base block 62. A connecting strip 65 is welded to the lower end of the surrounding strip 64. A mating cylinder 66 is symmetrically welded to the connecting strip 65. The surface of the mating cylinder 66 is smooth and burr-free.

[0044] The movable limiting strip 7 is movably installed on the movable clamping strip 3 and movably connected to the mating support block 6. Specifically, a hinge post 71 is inserted into the movable limiting strip 7, and the movable limiting strip 7 is hinged to the movable clamping strip 3 through the hinge post 71. A connecting channel 72 is opened on the movable limiting strip 7. The inner wall of the connecting channel 72 is smooth and burr-free. Sliding cavities 73 are symmetrically opened on both sides of the connecting channel 72. The inner wall of the sliding cavity 73 is also smooth and burr-free. The connecting strip 65 is partially inserted into the connecting channel 72, and the mating cylinder 66 is inserted into the sliding cavity 73. The movable connection between the movable limiting strip 7 and the mating support block 6 is realized through the cooperation of the mating cylinder 66 and the sliding cavity 73. When the mating support block 6 moves up and down, it drives the movable limiting strip 7 to rotate. When the movable limiting strip 7 rotates down, it limits the optical module from the top.

[0045] like Figure 2 and Figure 5 As shown, the fiber optic end face inspection assembly includes: a fiber optic end face inspector 12, an inspection bracket 14, and a first plate frame 8. The fiber optic end face inspector 12 is fixedly mounted on the inspection workbench 1 by bolts, and a receiving cavity 13 is provided on the fiber optic end face inspector 12. The inspection bracket 14 is welded and fixed on the inspection workbench 1 by welding process, and mounting guide holes 15 are symmetrically provided on the inspection bracket 14.

[0046] The first plate frame 8 is movably mounted on the testing support frame 14. The first plate frame 8 is moved upward by the moving clamp 3. Specifically, a movable support rod 81 is symmetrically welded to the first plate frame 8 by welding. A support roller 82 is installed at the lower end of the movable support rod 81. When the moving clamp 3 moves towards the fiber optic end face detector 12, the support roller 82 will contact the inclined push bar 34. Under the action of the inclined push bar 34, the support roller 82 will be pushed upward, thereby driving the first plate frame 8 to move upward. In addition, a limit plug 83 is also symmetrically welded to the first plate frame 8 by welding. The limit plug 83 is inserted into the mounting guide hole 15. The first plate frame 8 is mounted on the testing support frame 14 by the cooperation of the limit plug 83 and the mounting guide hole 15. A second plate frame 84 is welded to the lower end of the limit plug 83 by welding.

[0047] An adapter 85 is fixedly installed on the second board 84 on the first board 8 by bolts. A probe 86 is fixedly installed on the adapter 85, and the adapter 85 is electrically connected to the fiber optic end face inspection instrument 12. When the fiber optic end face of the optical module is being inspected, the probe 86 is inserted into the optical port of the optical module. When the optical module is not being inspected, the second board 84 covers the receiving cavity 13, and the adapter 85 is inserted into the receiving cavity 13.

[0048] When inspecting the fiber end face of the optical module, the electric telescopic rod 23 drives the drive receiving plate 24 to move downward, so that the cooperating drive rod 26 moves from the clamping drive channel 32 to the clamping holding channel 33. In this way, the clamping drive channel 32 and the cooperating drive rod 26 will drive the two moving clamping bars 3 to move towards each other. Thus, the optical module can be clamped by the action of the moving clamping bars 3. After the optical module is clamped, the robot arm 11 can drive it to move towards the fiber end face inspector 12.

[0049] During the movement, the electric telescopic rod 23 drives the drive support plate 24 to move further downward, so that the cooperating drive rod 26 moves in the clamping and holding channel 33. With the cooperation of the cooperating drive rod 26 and the clamping and holding channel 33, the stability of the moving clamping bar 3 can be maintained, preventing it from moving and stably clamping the optical module. As the cooperating drive rod 26 moves further downward, the pressure frame plate 27 will come into contact with the first movable support block 4, thus driving the first movable support block 4 to move downward. As the first movable support block 4 moves downward, the rack 44 will drive the special gear 54 to rotate. As the special gear 54 rotates, it will also drive the rotating support block 5 to rotate. As the rotating support block 5 rotates, the movable support plate 51 will rotate between the two moving clamping bars 3, located below the optical module and in contact with the optical module, supporting and limiting it from below.

[0050] Furthermore, as the drive receiving plate 24 moves further downward, the rotating block 5 will rotate, and the drive receiving plate 24 will also come into contact with the surrounding strip 64. Under the action of the drive receiving plate 24, the mating block 6 will be pushed downward. As the mating block 6 moves downward, it will drive the movable limiting strip 7 to rotate downward with the cooperation of the mating cylinder 66 and the sliding cavity 73, so that the movable limiting strip 7 presses flat on the optical module. This can limit the optical module from the top. With the cooperation of the movable limiting strip 7 and the movable bearing plate 51, the horizontality of the optical module can be ensured. If the optical module is not in a horizontal state during the movement of the robot arm 11, it can be adjusted with the cooperation of the movable limiting strip 7 and the movable bearing plate 51.

[0051] When the moving clamp 3 moves toward the fiber optic end face detector 12, the inclined push bar 34 will first contact the support roller 82. Under the action of the inclined surface on the inclined push bar 34, the support roller 82 will move upward, which in turn will drive the first plate frame 8 to move upward. As the first plate frame 8 moves upward, the adapter 85 moves out of the storage cavity 13 until the support roller 82 passes the inclined surface on the inclined push bar 34. At this time, the second plate frame 84 will move upward to contact the lower end face of the detection support frame 14, which can ensure the stability of the adapter 85. Then, as the optical module moves, the probe 86 can be accurately inserted into the optical port of the optical module to realize the detection of the fiber optic end face. The whole process is highly automated, has high detection efficiency, saves manpower, and is very convenient.

[0052] After the inspection is completed, the robotic arm 11 moves the optical module, and the first plate frame 8 moves down and resets under the action of gravity, so that the adapter 85 is plugged into the storage cavity 13 again. Then the robotic arm 11 moves the optical module to the unloading position, and the electric telescopic rod 23 drives the drive receiving plate 24 to move upward, thereby releasing the optical module and completing the unloading.

[0053] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An end face detection device for automatic loading and unloading of optical modules, characterized in that: include: A testing workbench is equipped with a robotic arm, which moves the optical module. An optical module clamping assembly is mounted on a robotic arm to clamp optical modules. An optical module horizontal holding mechanism is installed on the optical module clamping assembly. The optical module is restricted by the optical module horizontal holding mechanism to keep it in a stable horizontal state. An optical fiber end-face inspection assembly is installed on an inspection workbench. A robotic arm moves an optical module to the optical fiber end-face inspection assembly, and the optical fiber end-face of the optical module is inspected by the optical fiber end-face inspection assembly.

2. The end face detection device for automatic feeding and discharging of optical modules according to claim 1, characterized in that: The optical module clamping assembly includes: an assembly plate, which is fixedly mounted on a robotic arm; An electric telescopic pole is fixedly installed on an assembly plate, and a drive support plate is fixedly installed on the electric telescopic pole. The drive support plate is moved by the electric telescopic pole. Two movable clamping bars are symmetrically and movably mounted on the assembly plate.

3. The end face detection device for automatic feeding and discharging of optical modules according to claim 2, characterized in that: The drive receiving plate is movably connected to the movable clamping bar, and the drive receiving plate drives the movable clamping bar to move relative to the assembly plate.

4. The end face detection device for automatic feeding and discharging of optical modules according to claim 3, characterized in that: The optical module is clamped when the two moving clamps move towards each other, and released when the two moving clamps move away from each other.

5. The end-face inspection device for automatic loading and unloading of optical modules according to claim 4, characterized in that: The optical module horizontal holding mechanism includes: a first movable support block, which is movably mounted on a movable clamping strip, and is moved by a drive support plate; A rotating bearing block is movably mounted on a movable clamping bar.

6. The end-face inspection device for automatic loading and unloading of optical modules according to claim 5, characterized in that: The first movable support block is movably connected to the rotating support block, and the first movable support block drives the rotating support block to rotate. A movable support plate is fixedly installed on the rotating block, and the movable support plate limits the optical module from the bottom.

7. The end-face inspection device for automatic loading and unloading of optical modules according to claim 6, characterized in that: The optical module horizontal holding mechanism further includes: a mating support block, which is movably mounted on the movable clamping strip and is moved by the driving support plate; The movable limiting strip is movably mounted on the movable clamping strip and movably connected to the mating support block.

8. The end-face inspection device for automatic loading and unloading of optical modules according to claim 7, characterized in that: The cooperating support block drives the movable limiting strip to rotate, and the movable limiting strip limits the optical module from the top.

9. The end-face inspection device for automatic loading and unloading of optical modules according to claim 8, characterized in that: The fiber optic end face inspection assembly includes: a fiber optic end face inspection instrument, which is fixedly installed on the inspection workbench; The testing support frame is also fixedly installed on the testing workbench; The first plate frame is movably mounted on the testing support frame and is moved upward by the moving clamps.

10. The end-face inspection device for automatic loading and unloading of optical modules according to claim 9, characterized in that: An adapter is installed on the first board frame, and a probe is fixedly installed on the adapter. The adapter is electrically connected to the fiber optic end face detector. When performing fiber end face testing on an optical module, the probe is inserted into the optical port of the optical module.

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