Visual inspection jig for optical element

By designing a visual inspection fixture for optical elements with rotating and jetting components, the problem of dust cleaning on the surface of optical lenses was solved, achieving automated cleaning, reducing labor intensity, and improving the practicality of the device.

CN223940827UActive Publication Date: 2026-02-24FUZHOU HG OPTRONICS INC
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Patent Information

Application Number
CN202520441840.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-13
Publication Date
2026-02-24
Estimated Expiration
2035-03-13

AI Technical Summary

Technical Problem

When using traditional optical component visual inspection fixtures, dust easily accumulates on the surface of the optical lenses, requiring manual cleaning, which increases the workload and intensity for staff.

Method used

An optical element vision inspection fixture was designed, comprising a rotating component, a positioning component, and an air jet component. The rotating component is used to adjust and fix the optical elements, the positioning component is used to fix optical elements of different sizes, and the high-pressure fan and annular air jet plate of the air jet component are used to remove dust.

Benefits of technology

This technology automates the cleaning of dust from the surface of optical components, reduces manual cleaning steps, lowers the labor intensity of workers, and improves the practicality of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of optical elements, and discloses an optical element visual inspection jig which comprises a base, a fixing frame is arranged at the top of the base, U-shaped frames are arranged on the left side and the right side of the top of the base, and spotlights are arranged between the left side and the right side of the inner wall of each U-shaped frame. According to the visual inspection jig for the optical element, the air injection assembly is arranged, a high-pressure fan is started, through cooperation of an air inlet end and an air outlet end, high-speed airflow is sprayed to the surface of the optical element through cooperation of a telescopic air conveying pipe, an annular air injection plate and air injection holes, dust on the surface of the optical element is blown away, and then two electric push rods are powered on at the same time; according to the dust removal device for the optical element, dust on the surface of the optical element can be removed, manual cleaning is not needed, the labor steps and intensity of workers are reduced, the practicability of the device is further improved, and the device is convenient to use by the workers.
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Description

Technical Field

[0001] This utility model relates to the field of optical element technology, specifically to a visual inspection fixture for optical elements. Background Technology

[0002] Optical component testing fixtures are devices used to provide auxiliary support and stability during the testing of optical components. They enable appropriate testing of the entire optical component and meet various testing requirements, including testing the light transmittance of the optical component.

[0003] However, traditional optical component visual inspection fixtures still have some drawbacks in use. For example, dust inevitably adheres to the surface of optical lenses during the production process, requiring manual cleaning during inspection, which increases the workload and intensity for workers. Therefore, an optical component visual inspection fixture is proposed to solve the aforementioned technical problems. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this utility model provides a visual inspection fixture for optical components, which has advantages such as reducing the labor steps and intensity for workers. It solves some defects that still exist in the use of traditional visual inspection fixtures for optical components. For example, dust inevitably adheres to the surface of optical lenses during the production process, requiring manual cleaning during inspection, which increases the labor steps and intensity for workers.

[0006] (II) Technical Solution

[0007] To achieve the above-mentioned goal of reducing the labor steps and intensity of workers, this utility model provides the following technical solution: a visual inspection fixture for optical elements, including a base, a fixed frame provided on the top of the base, U-shaped frames provided on the left and right sides of the top of the base, spotlights provided between the left and right sides of the inner walls of the two U-shaped frames, a rotating component provided on the inner top wall of the fixed frame, a jetting component with one end fixedly connected to its inner top wall provided on the top of the fixed frame, and a positioning component provided between the inner bottom wall of the fixed frame and the bottom of the rotating component;

[0008] The rotating assembly includes a rotating shaft. The rotating shaft is rotatably connected to the inner top wall of the fixed frame. A first gear is fixedly connected to the outside of the rotating shaft. A stepper motor located on the right side of the rotating shaft is fixedly connected to the inner top wall of the fixed frame. A second gear meshing with the outside of the first gear is fixedly connected to the output shaft of the stepper motor. A connecting frame is fixedly connected to the bottom of the rotating shaft. A U-shaped sliding frame is slidably connected to the outside of the connecting frame. A limiting bolt extending to its right side is threadedly connected to the left side wall of the U-shaped sliding frame. Two limiting nuts, located on the left and right sides of the U-shaped sliding frame respectively, are threadedly connected to the outside of the limiting bolt.

[0009] The jet assembly includes a high-pressure blower. The high-pressure blower is fixedly connected to the top of the fixed frame. Two electric push rods are fixedly connected to the inner top wall of the fixed frame and are symmetrically distributed on the left and right sides. An annular jet plate is fixedly connected to the output end of the electric push rod on the left side, and one end of the electric push rod is fixedly connected to the output end of the electric push rod on the right side. A telescopic air supply pipe is fixedly connected to the outlet end of the high-pressure blower, and one end of the pipe communicates with the inner wall of the annular jet plate.

[0010] The positioning component includes a support platform. The bottom of the U-shaped sliding frame and the inner bottom wall of the fixed frame are both fixedly connected to the support platform. Positioning frames are fixedly connected to the opposite sides of the two support platforms. Each positioning frame has a positioning bolt with one end extending into its interior threadedly connected to its left and right side walls.

[0011] Preferably, servo motors are fixedly connected to the rear sidewalls of both U-shaped frames, and the output shafts of the two servo motors are fixedly connected to the rear sidewalls of the two spotlights respectively.

[0012] Preferably, the connecting frame has a number of threaded holes distributed at equal intervals in the upper and lower parts, and the threaded holes are adapted to the limiting bolts.

[0013] Preferably, the inner wall of the annular jet plate has a number of jet holes that are evenly distributed in an annular pattern.

[0014] Preferably, a rotating knob is fixedly connected to the opposite sides of the two positioning bolts.

[0015] (III) Beneficial Effects

[0016] Compared with the prior art, the present invention provides a visual inspection fixture for optical components, which has the following beneficial effects:

[0017] 1. This optical element visual inspection fixture, by setting up a rotating component and a positioning component, first unscrews the limiting nut from the limiting bolt, then unscrews the limiting bolt from the U-shaped sliding frame, then adjusts the position of the U-shaped sliding frame on the connecting frame so that the distance between the upper and lower support platforms can be adjusted until it is adjusted to a position suitable for the height of the optical lens, then screws the limiting bolt and the limiting nut back on, and finally fixes the optical lens by rotating the two left and right positioning bolts, thereby achieving the purpose of fixing optical elements of different sizes and improving the practicality of the device.

[0018] 2. This optical element visual inspection fixture, by setting up an air jet assembly, activates a high-pressure blower. Through the cooperation of the air inlet and outlet, high-speed airflow is sprayed onto the surface of the optical element via a telescopic air supply pipe, an annular air jet plate, and air jet holes, blowing away the dust on its surface. Simultaneously, two electric push rods are energized, causing them to move the annular air jet plate up and down reciprocally, thereby cleaning the dust on the surface of the optical element without manual cleaning. This reduces the labor steps and intensity for workers and further improves the practicality of the device. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of this utility model;

[0020] Figure 2 This utility model Figure 1 Enlarged diagram of point A in the middle.

[0021] In the diagram: 1. Base; 2. Fixing frame; 3. U-shaped frame; 4. Spotlight; 5. Rotating assembly; 51. Rotating shaft; 52. First gear; 53. Stepper motor; 54. Second gear; 55. Connecting frame; 56. U-shaped sliding frame; 57. Limit bolt; 58. Limit nut; 6. Jet assembly; 61. High-pressure blower; 62. Electric push rod; 63. Annular jet plate; 64. Telescopic air supply pipe; 7. Positioning assembly; 71. Support platform; 72. Positioning frame; 73. Positioning bolt. Detailed Implementation

[0022] 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.

[0023] Please see Figure 1-2A visual inspection fixture for optical components includes a base 1, a fixing frame 2 fixedly connected to the top of the base 1, U-shaped frames 3 fixedly connected to the left and right sides of the top of the base 1, spotlights 4 rotatably connected between the left and right sides of the inner walls of the two U-shaped frames 3, and servo motors fixedly connected to the rear side walls of the two U-shaped frames 3, with the output shafts of the two servo motors respectively fixedly connected to the rear side walls of the two spotlights 4.

[0024] A rotating assembly 5 is movably connected to the inner top wall of the fixed frame 2. The rotating assembly 5 includes a rotating shaft 51. The rotating shaft 51 is rotatably connected to the inner top wall of the fixed frame 2. A first gear 52 is fixedly connected to the outside of the rotating shaft 51. A stepper motor 53 located to the right of the rotating shaft 51 is fixedly connected to the inner top wall of the fixed frame 2. A second gear 54 that meshes with the outside of the first gear 52 is fixedly connected to the output shaft of the stepper motor 53. A connecting frame 55 is fixedly connected to the bottom of the rotating shaft 51. A U-shaped sliding frame 56 is slidably connected to the outside of the connecting frame 55. A limiting bolt 57 extending to its right side is threadedly connected to the left side wall of the U-shaped sliding frame 56. A number of threaded holes are opened inside the connecting frame 55 and are distributed at equal intervals. The threaded holes are adapted to the limiting bolt 57. Two limiting nuts 58 are threadedly connected to the outside of the limiting bolt 57 and are located on the left and right sides of the U-shaped sliding frame 56, respectively.

[0025] A jet assembly 6 is fixedly connected to the top of the fixed frame 2, one end of which is fixedly connected to its inner top wall. The jet assembly 6 includes a high-pressure blower 61. The high-pressure blower 61 is fixedly connected to the top of the fixed frame 2. Two electric push rods 62 are fixedly connected to the inner top wall of the fixed frame 2 and are symmetrically distributed on the left and right sides. An annular jet plate 63 is fixedly connected to the output end of the left electric push rod 62 and is fixedly connected to the output end of the right electric push rod 62. A telescopic air supply pipe 64 is fixedly connected to the outlet end of the high-pressure blower 61 and is connected to the inner wall of the annular jet plate 63. The inner wall of the annular jet plate 63 has a number of jet holes that are evenly distributed in an annular shape.

[0026] A positioning component 7 is fixedly connected between the inner bottom wall of the fixed frame 2 and the bottom of the rotating component 5. The positioning component 7 includes a support platform 71. The bottom of the U-shaped sliding frame 56 is fixedly connected to the inner bottom wall of the fixed frame 2 with a support platform 71. Positioning frames 72 are fixedly connected to the opposite sides of the two support platforms 71. A positioning bolt 73 with one end extending into the interior is threadedly connected to the left and right side walls of a single positioning frame 72. Rotation knobs are fixedly connected to the opposite sides of the two positioning bolts 73.

[0027] In use, the optical element is fixed by rotating component 5 and positioning component 7, and then the spotlight 4 is turned on to test the light transmittance.

[0028] It is worth noting that the spotlight 4, servo motor, stepper motor 53, high-pressure fan 61, and electric push rod 62 mentioned in this application are all externally connected to control switches and drive power supplies. Furthermore, the spotlight 4, servo motor, stepper motor 53, high-pressure fan 61, and electric push rod 62 are all conventional and known devices. The standard parts used in this application can all be purchased from the market. The specific connection methods of each part are all connected using conventional methods such as bolts, rivets, and welding that are mature in the prior art. Moreover, the machinery, parts, and equipment all adopt conventional models in the prior art. In addition, the circuit connection adopts conventional connection methods in the prior art. The contents not described in detail in the description belong to the prior art known to those skilled in the art, and will not be described in detail here.

[0029] In summary, this optical element visual inspection fixture, by setting up a rotating component 5 and a positioning component 7, firstly, the limiting nut 58 is unscrewed from the limiting bolt 57, then the limiting bolt 57 is unscrewed from the U-shaped sliding frame 56, and then the position of the U-shaped sliding frame 56 on the connecting frame 55 is adjusted so that the distance between the upper and lower support platforms 71 can be adjusted until it is adjusted to a position suitable for the height of the optical lens. Then, the limiting bolt 57 and the limiting nut 58 are screwed back on, and finally the optical lens is fixed by rotating the two left and right positioning bolts 73. This achieves the purpose of fixing optical elements of different sizes, improving the practicality of the device. By setting up an air jet component 6, the high-pressure fan 61 is started to pass air through the air inlet and... The air outlet works in conjunction with the telescopic air supply pipe 64, the annular jet plate 63, and the jet holes to spray high-speed air onto the surface of the optical element, blowing away the dust on its surface. Simultaneously, two electric push rods 62 are energized, causing them to move the annular jet plate 63 up and down, thereby cleaning the dust on the surface of the optical element without manual cleaning. This reduces the labor steps and intensity for workers, further improving the practicality of the device. It solves some of the shortcomings of traditional optical element visual inspection fixtures, such as the inevitable dust accumulation on the surface of optical lenses during production, which requires manual cleaning during inspection, increasing the labor steps and intensity for workers.

[0030] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0031] Although embodiments of the present 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 present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A visual inspection fixture for optical components, comprising a base (1), characterized in that: The base (1) is provided with a fixed frame (2) at the top, and U-shaped frames (3) are provided on the left and right sides of the top of the base (1). Spotlights (4) are provided between the left and right sides of the inner walls of the two U-shaped frames (3). A rotating component (5) is provided on the inner top wall of the fixed frame (2). A jet component (6) with one end fixedly connected to its inner top wall is provided on the top of the fixed frame (2). A positioning component (7) is provided between the inner bottom wall of the fixed frame (2) and the bottom of the rotating component (5). The rotating assembly (5) includes a rotating shaft (51). The rotating shaft (51) is rotatably connected to the inner top wall of the fixed frame (2). A first gear (52) is fixedly connected to the outside of the rotating shaft (51). A stepper motor (53) located on the right side of the rotating shaft (51) is fixedly connected to the inner top wall of the fixed frame (2). A second gear (54) meshing with the outside of the first gear (52) is fixedly connected to the output shaft of the stepper motor (53). A connecting frame (55) is fixedly connected to the bottom of the rotating shaft (51). A U-shaped sliding frame (56) is slidably connected to the outside of the connecting frame (55). A limiting bolt (57) extending to its right side is threadedly connected to the left side wall of the U-shaped sliding frame (56). Two limiting nuts (58) are threadedly connected to the outside of the limiting bolt (57) and located on the left and right sides of the U-shaped sliding frame (56). The jet assembly (6) includes a high-pressure blower (61). The top of the fixed frame (2) is fixedly connected to the high-pressure blower (61). The inner top wall of the fixed frame (2) is fixedly connected to two electric push rods (62) that are symmetrically distributed on the left and right. The output end of the electric push rod (62) on the left is fixedly connected to an annular jet plate (63) whose end is fixedly connected to the output end of the electric push rod (62) on the right. The outlet end of the high-pressure blower (61) is fixedly connected to a telescopic air supply pipe (64) whose end is connected to the inner wall of the annular jet plate (63). The positioning component (7) includes a support platform (71). The bottom of the U-shaped sliding frame (56) and the inner bottom wall of the fixed frame (2) are both fixedly connected to the support platform (71). The opposite sides of the two support platforms (71) are fixedly connected to positioning frames (72). The left and right side walls of each positioning frame (72) are threaded with a positioning bolt (73) extending into its interior.

2. The optical element vision inspection fixture according to claim 1, characterized in that: The rear sidewalls of the two U-shaped frames (3) are fixedly connected with servo motors, and the output shafts of the two servo motors are fixedly connected to the rear sidewalls of the two spotlights (4).

3. The optical element visual inspection fixture according to claim 1, characterized in that: The connecting frame (55) has a number of threaded holes that are evenly distributed vertically, and the threaded holes are adapted to the limiting bolts (57).

4. The optical element vision inspection fixture according to claim 1, characterized in that: The inner wall of the annular jet plate (63) is provided with a number of jet holes that are distributed in an annular shape at equal intervals.

5. The optical element vision inspection fixture according to claim 1, characterized in that: The two positioning bolts (73) on the left and right sides are fixedly connected with rotating knobs.