Optical fiber laser inspection centering device

Abstract

This utility model discloses a fiber laser alignment and inspection device, including a base plate. The base plate has fiber optic frames, screw holes, a front laser positioning plate, and a rear laser positioning plate. An alignment instrument is mounted on the base plate. The fiber optic frames have a slide rail. The rear laser positioning plate has a step, a first process hole, and a second process hole. The step structure improves positioning stability. The front laser positioning plate has a fixing screw hole for connection with a wing screw. The front and rear laser positioning plates are fixedly connected by countersunk holes and hexagonal screws. A thin paper shim is provided between the fiber optic frames. This device improves structural compactness through multi-component integrated design, ensures detection accuracy through the alignment instrument, enhances operational flexibility and convenience through the slide rail and wing screw, and optimizes structural stability and durability through the countersunk holes and thin paper shims. Overall, it achieves high-precision and high-efficiency fiber laser alignment and inspection.

Description

Technical Field

[0001] This utility model relates to the field of fiber laser inspection technology, specifically a fiber laser inspection and alignment device. Background Technology

[0002] Fiber laser inspection and alignment devices are key equipment in the field of precision optical inspection. Their performance directly affects the alignment accuracy and inspection efficiency of the laser optical path. Traditional devices generally suffer from loose structure. Core components such as fiber optic support mechanisms and laser positioning components are mostly independent modules. During installation, the relative positions need to be repeatedly calibrated, which not only prolongs the operation time but also easily affects the inspection accuracy due to accumulated errors. The fit between the positioning plate and the fiber optic frame is mostly made using ordinary machining processes, resulting in uneven sliding gaps, causing jamming during fine-tuning and making it difficult to achieve micron-level precise alignment. Direct contact between metal parts lacks buffering, and wear and deformation are prone to occur after long-term use, especially with significant accuracy attenuation in high-frequency adjustment scenarios. The connection structure mostly relies on standard bolts, which require tools to tighten or loosen. Emergency adjustments are slow to respond, and exposed bolt heads are prone to interference with other equipment. Material selection often prioritizes rigidity over lightweight. While heavy cast iron bases offer good stability, they are not portable, and aluminum alloy parts are prone to oxidation if the surface is not protected. Utility Model Content

[0003] The purpose of this invention is to provide a fiber laser inspection and alignment device to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a fiber laser inspection and alignment device, comprising a base plate, on which fiber optic frames, screw holes, a front laser positioning plate, and a rear laser positioning plate are provided. An alignment instrument is mounted on the base plate. A slide rail is provided on the fiber optic frames. The rear laser positioning plate is provided with a step, a process hole one, and a process hole two. The front laser positioning plate is provided with fixing screw holes for connection with butterfly screws. The front laser positioning plate and the rear laser positioning plate are fixedly connected by countersunk holes and hexagonal screws. Thin paper gaskets are provided between the fiber optic frames.

[0005] As a further embodiment of this utility model: the base plate is made of aluminum alloy sheet.

[0006] As a further improvement of this utility model: the front laser positioning plate and the rear laser positioning plate are made of aluminum plates, and the step of the rear laser positioning plate is set along the edge.

[0007] As a further improvement of this utility model, a butterfly screw passes through the fixing screw hole of the front laser positioning plate.

[0008] As a further improvement of this utility model, the thin paper pad is made of non-metallic material and is disposed at the connection between the fiber optic frame and the positioning plate.

[0009] Compared with the prior art, the beneficial effects of this utility model are as follows: On the one hand, this utility model shortens the transmission path between components, reduces assembly errors, and shortens the initial installation and debugging time; on the other hand, through the embedded connection of countersunk holes and stainless steel hexagonal screws, it eliminates the interference risk caused by traditional exposed bolts, ensuring a neat and orderly operating space. Non-metallic thin paper gaskets are placed on the mating surface of the fiber optic frame and the positioning plate, which not only avoids electrochemical corrosion caused by metal contact but also buffers vibration and impact to prevent component loosening. Combined with the anodizing treatment of the aluminum alloy component surface, the device maintains stable performance in humid and hot environments. The front positioning plate uses wing screws and fixing screw holes... The device can be quickly tightened and loosened by hand, saving adjustment time compared to traditional bolt connections. The stepped design provides mechanical limits to prevent the laser from being installed out of position. The grinding process ensures that the slide gap is controlled within a small range and the sliding resistance is uniform, enabling millimeter-level fine adjustment of the fiber optic frame. The lightweight material system significantly reduces the weight of the device. The combination of the aluminum alloy base plate and the aluminum plate positioning plate ensures rigidity while reducing weight compared to traditional cast iron structures. Combined with the modular design, it can be handled and installed by a single person. These improvements enable the device to maintain high-precision detection capabilities while also being easy to operate and adaptable to various environments, making it particularly suitable for rapid on-site detection and long-term stable operation scenarios. Attached Figure Description

[0010] Figure 1 This is a schematic diagram of the overall structure of a fiber laser inspection and alignment device.

[0011] Figure 2 This is a schematic diagram of the hexagonal screw and screw hole in a fiber laser inspection and alignment device;

[0012] Figure 3 This is a schematic diagram of the structure of a butterfly screw and a front laser positioning plate in a fiber laser inspection and alignment device.

[0013] Figure 4 This is a schematic diagram of the fiber optic frame in a fiber laser inspection and alignment device.

[0014] Figure 5 A schematic diagram of the overall structure of a fiber laser inspection and alignment device with an alignment instrument installed.

[0015] In the diagram: 1. Base plate; 2. Fiber optic bracket; 3. Front laser positioning plate; 4. Rear laser positioning plate; 5. Alignment device; 6. Slide rail; 7. Wing screw; 8. Screw hole; 9. Hex screw; 10. Step; 11. Fixing screw hole; 12. Countersunk hole; 13. Process hole two; 14. Process hole one; 15. Thin paper gasket. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] To facilitate understanding of this utility model, a more comprehensive description of it will be provided below with reference to relevant embodiments. Several embodiments of this utility model are given. However, this utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of this utility model will be more thorough and complete.

[0018] It should be noted that when a component is said to be "fixed to" another component, it can be directly on the other component or there may be an intervening component. When a component is said to be "connected to" another component, it can be directly connected to the other component or there may be an intervening component. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0019] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0020] Please see Figure 1-5 This utility model provides a technical solution: a fiber laser inspection and alignment device, including a base plate 1, on which fiber optic brackets 2, screw holes 8, a front laser positioning plate 3, and a rear laser positioning plate 4 are provided, realizing the integrated installation of multiple components. An alignment instrument 5 is installed on the base plate 1 to achieve precise alignment of the laser optical path. The fiber optic bracket 2 is provided with a slide rail 6 to facilitate fine adjustment of the fiber optic bracket position and enhance operational flexibility. The rear laser positioning plate 4 is provided with a step 10, a process hole 14, and a process hole 2 13. The step structure improves positioning stability. The front laser positioning plate 3 is provided with a fixing screw hole 11 to connect with a wing screw 7. The wing screw design allows for quick tightening and loosening. The front laser positioning plate 3 and the rear laser positioning plate 4 are fixedly connected to the screw hole 8 through a countersunk hole 12 and a hexagonal screw 9. The countersunk hole design makes the connection surface flat and avoids interference. A thin paper gasket 15 is provided between the fiber optic brackets 2. The non-metallic gasket reduces metal contact wear and improves the service life of the components.

[0021] As an example of this utility model, the base plate 1 is made of aluminum alloy sheet. The aluminum alloy material reduces the overall weight of the device, while having good structural strength and corrosion resistance.

[0022] As an example of this utility model, the front laser positioning plate 3 and the rear laser positioning plate 4 are made of aluminum plate. The step 10 of the rear laser positioning plate 4 is set along the edge. The aluminum plate material is lightweight and has excellent processing performance. The step is set along the edge to improve the positioning accuracy.

[0023] As an example of this utility model, the slide 6 and the fiber optic frame 2 are made using a grinding and mating process. This grinding and mating process ensures that the gap between the slide and the fiber optic frame is uniform, thereby improving the smoothness of sliding and the positioning accuracy.

[0024] As an example of this utility model, the butterfly screw 7 passes through the fixing screw hole 11 of the front laser positioning plate 3, and the through connection enhances the tightness between the screw and the positioning plate and prevents loosening.

[0025] As an example of this utility model, the thin paper pad 15 is made of non-metallic material and is set at the connection between the optical fiber frame 2 and the positioning plate. The non-metallic material avoids electrical interference from metal contact and also buffers vibration.

[0026] As an example of this utility model, the countersunk hole 12 has a recessed structure, the head of the hexagonal screw 9 is embedded in it and threadedly connected to the screw hole 8 of the base plate 1. The hexagonal screw 9 is made of stainless steel, which improves corrosion resistance. The recessed structure prevents the head from protruding and interfering with other components.

[0027] As an example of this utility model, the aluminum alloy components of the base plate 1, fiber optic frame 2, and positioning plate are all anodized. Anodizing enhances surface hardness and wear resistance, improving the device's weather resistance. The working principle of this utility model is:

[0028] In use, place the base plate 1 horizontally and fix it to the external workbench through the screw holes 8 to ensure the overall stability of the device. Install the fiber optic frame 2 in the preset position on the base plate 1. The fiber optic frame 2 is slidably connected to the base plate 1 through the slide rail 6. The thin paper shim 15 is placed at the contact point between the fiber optic frame 2 and the positioning plate. The front laser positioning plate 3 and the rear laser positioning plate 4 are fixed to the base plate 1 through the countersunk holes 12 and hexagonal screws 9. The step 10 of the rear laser positioning plate 4 is set along the edge to form a laser installation reference surface. Place the laser between the front and rear positioning plates and achieve preliminary positioning through the step 10. Process holes 14 and 2 are used to assist in calibrating the laser installation angle. Insert the wing screw 7 through the fixing screw hole 11 of the front laser positioning plate 3 and tighten it to press and fix the laser. The quick tightening and loosening characteristics of the wing screw 7 facilitate the installation and removal of the laser. The centering instrument 5 is installed at the center position of the base plate 1 and emits a laser beam. At the target position of the fiber optic frame 2, the position of the fiber optic frame 2 is finely adjusted via the slide rail 6 to align the laser spot with the center of the target. During the adjustment process, the grinding process of the slide rail 6 and the fiber optic frame 2 ensures smooth sliding and positioning accuracy down to the micrometer level. The head of the hexagonal screw 9 in the countersunk hole 12 is embedded in the base plate 1 to avoid interference with the laser optical path. The stainless steel material improves the durability of the connection. The aluminum alloy parts of the base plate 1 and the fiber optic frame 2 are anodized to enhance surface hardness and prevent scratches and corrosion during long-term use. The optical path deviation is monitored in real time by the alignment instrument 5. Loosening the butterfly screw 7 can quickly adjust the laser attitude. With the micro-adjustment of the slide rail 6, the laser optical path and the fiber are precisely aligned. The non-metallic properties of the thin paper gasket 15 prevent electrochemical corrosion caused by metal contact and extend the service life of the components. The overall workflow achieves high efficiency and high precision in fiber laser alignment inspection through the synergistic effect of mechanical positioning and optical alignment.

[0029] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A fiber laser inspection and alignment device, comprising a base plate (1), characterized in that: The base plate (1) is provided with an optical fiber frame (2), screw holes (8), a front laser positioning plate (3), and a rear laser positioning plate (4). A centering instrument (5) is installed on the base plate (1). A slide rail (6) is provided on the optical fiber frame (2). The rear laser positioning plate (4) is provided with a step (10), a process hole one (14), and a process hole two (13). The front laser positioning plate (3) is provided with a fixing screw hole (11) connected to a butterfly screw (7). The front laser positioning plate (3) and the rear laser positioning plate (4) are fixedly connected to the screw hole (8) by a countersunk hole (12) and a hexagonal screw (9). A thin paper gasket (15) is provided between the optical fiber frames (2).

2. The fiber laser inspection and alignment device according to claim 1, characterized in that: The base plate (1) is made of aluminum alloy sheet.

3. The fiber laser inspection and alignment device according to claim 1, characterized in that: The front laser positioning plate (3) and the rear laser positioning plate (4) are made of aluminum plate, and the step (10) of the rear laser positioning plate (4) is set along the edge.

4. The fiber laser inspection and alignment device according to claim 1, characterized in that: The butterfly screw (7) passes through the fixing screw hole (11) of the front laser positioning plate (3).

5. The fiber laser inspection and alignment device according to claim 1, characterized in that: The thin paper pad (15) is a non-metallic material and is set at the connection between the fiber optic frame (2) and the positioning plate.

6. The fiber laser inspection and alignment device according to claim 1, characterized in that: The countersunk hole (12) is a recessed structure, and the head of the hexagonal screw (9) is embedded in it and threadedly connected to the screw hole (8) of the base plate (1). The hexagonal screw (9) is made of stainless steel.

7. The fiber laser inspection and alignment device according to claim 1, characterized in that: The aluminum alloy components of the base plate (1), fiber frame (2) and positioning plate are all anodized.

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