An auxiliary tooling for the upper plate of an optical component and a processing device.

Abstract

This application relates to the field of optical component processing tools, providing an auxiliary fixture for the upper plate of an optical component and processing equipment. The auxiliary fixture includes: a fixture sleeve having an axially penetrating central shaft hole with opposing first and second ends; a part limiting part disposed at the first end of the fixture sleeve, having a first limiting hole; and a chuck limiting part disposed at the second end of the fixture sleeve, having a second limiting hole and a limiting inner bottom surface, the second limiting hole and the first limiting hole having a predetermined coaxiality. The fixture sleeve is fitted onto the bonding fixture through the central shaft hole, such that the second limiting hole fits onto the outer wall of the machine tool chuck and the limiting inner bottom surface abuts against the end face of the machine tool chuck. The optical component is inserted into the first limiting hole and thus limited on the bonding fixture. This solves the problem in the prior art of difficult and time-consuming adjustment of the offset between the central axis of the optical component and the rotational central axis of the machine tool chuck.

Description

Technical Field

[0001] This application relates to the field of optical component processing tools, and more specifically, to an auxiliary tooling for an optical component mounting plate and processing equipment. Background Technology

[0002] The existing machining process for aspherical optical components with cylindrical outer walls and curved tops requires high coaxial accuracy between the optical component (lens) and the machining spindle, whether during milling or polishing. The machining spindle includes a machine tool chuck, which, through a bonding fixture, ensures that the outer diameter of the optical component and the machine tool chuck maintain coaxial accuracy within a predetermined range after the optical component is bonded to the fixture.

[0003] In the current machining process, to ensure coaxial accuracy, the part is bonded to the fixture with wax. During bonding, a dial indicator is used to check the coaxial runout accuracy of the part. The operator moves the optical component on the bonding fixture based on the dial indicator's runout. This process requires a high level of operator skill, enabling them to adjust the offset between the optical component's central axis and the machine tool chuck's rotation axis in a short time. For less experienced operators, this adjustment process is not only difficult but also time-consuming.

[0004] Therefore, existing technologies still need to be improved and developed. Utility Model Content

[0005] The purpose of this application is to provide an auxiliary tooling for the upper plate of an optical component, which solves the problem that the adjustment process of the offset between the central axis of the optical component and the rotation central axis of the machine tool chuck is difficult and time-consuming in the prior art.

[0006] To achieve the above objectives, the technical solution adopted in this application is as follows:

[0007] On one hand, this application provides an auxiliary fixture for mounting an optical component, used to position the optical component on an adhesive fixture, which is connected to a machine tool chuck. The auxiliary fixture includes:

[0008] The tooling sleeve has an axially penetrating central hole, which has a first end and a second end that are opposite to each other.

[0009] A part limiting part is provided at the first end of the tooling sleeve, and the part limiting part has a first limiting hole;

[0010] The chuck limiting part is located at the second end of the tooling sleeve. The chuck limiting part has a second limiting hole and a limiting inner bottom surface. The second limiting hole and the first limiting hole have a coaxiality with a predetermined accuracy.

[0011] The tooling sleeve is fitted onto the bonding tooling through the central shaft hole, so that the second limiting hole is fitted onto the outer wall of the machine tool chuck and the inner bottom surface of the limiting hole abuts against the end face of the machine tool chuck.

[0012] The optical component is positioned on the bonding fixture by being inserted into the first limiting hole.

[0013] In an optional embodiment, the part limiting part includes: a limiting platform, which is disposed on the first end of the tooling sleeve, and a first limiting hole is formed on the limiting platform and communicates with the central shaft hole.

[0014] In an optional embodiment, the limiting stage and the tooling sleeve are integrally formed.

[0015] In an optional embodiment, the limiting stage is detachably mounted on the tooling sleeve;

[0016] There are multiple limit platforms, and the inner diameter of the first limit hole on each limit platform is different.

[0017] Multiple limit stations are selected and connected to the tooling sleeve.

[0018] In an optional embodiment, the first end of the tooling sleeve is provided with a docking limiting hole, which is connected to the central shaft hole;

[0019] The limiting platform includes a lower collar, the outer wall of which is coaxially arranged with the first limiting hole, and the lower collar is used to be inserted into the docking limiting hole.

[0020] In an optional embodiment, the first end of the tooling sleeve is further provided with a recessed hole, which is connected to the docking limiting hole.

[0021] The limiting platform also includes an outer retaining ring, which is located at the upper end of the lower collar;

[0022] The lower sleeve is inserted into the tooling sleeve, and the outer retaining ring is embedded in the countersunk hole.

[0023] In an optional embodiment, the card head limiting part includes: an outer boss, which is formed on the outer wall of the second end of the central shaft hole, and a second limiting hole is formed on the outer boss.

[0024] In an optional embodiment, the inner diameter of the second limiting hole is larger than the diameter of the central shaft hole, and the inner bottom surface of the limiting hole is the bottom surface of the second limiting hole.

[0025] In an optional embodiment, the end of the central shaft hole facing the second limiting hole is configured as a tapered hole.

[0026] In an optional embodiment, the coaxiality between the second limiting hole and the first limiting hole is within 0.01 mm.

[0027] On the other hand, this application also proposes a processing device, including: a machine tool chuck, an adhesive fixture connected to the machine tool chuck, and an upper plate auxiliary fixture as described above, the upper plate auxiliary fixture being used to position the optical component on the end face of the adhesive fixture.

[0028] The beneficial effects of the auxiliary tooling for an optical component provided in this application are at least as follows: a part limiting part is provided at the first end of the tooling sleeve, and a chuck limiting part is provided at the second end. During the process of positioning the optical component on the bonding tooling, the tooling sleeve is simply fitted onto the bonding tooling through the central shaft hole, so that the second limiting hole fits onto the outer wall of the machine tool chuck and the inner bottom surface of the limiting part abuts against the end face of the machine tool chuck. This ensures that the chuck limiting part is coaxial with the machine tool chuck. Then, the optical component is inserted into the first limiting hole and positioned on the bonding tooling. This ensures that the part limiting part is coaxial with the optical component. Since the second limiting hole on the chuck limiting part and the first limiting hole on the part limiting part have a high predetermined coaxiality, the coaxiality between the central axis of the optical component positioned on the bonding tooling and the rotation axis of the machine tool chuck is within a high predetermined coaxiality range, thereby enabling rapid bonding and positioning of the optical component. Therefore, for operators, it simplifies the process of adjusting the deviation between the central axis of the optical component and the rotation axis of the machine tool chuck, making the coaxial adjustment of the optical component simpler and faster, thus improving processing efficiency. Attached Figure Description

[0029] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0030] Figure 1 A schematic diagram of the structure of an auxiliary tooling for an optical component in use, provided in an embodiment of this application;

[0031] Figure 2 A cross-sectional view of a first form of an auxiliary tooling for an optical component provided in an embodiment of this application, in use;

[0032] Figure 3 A cross-sectional view of a first form of an auxiliary tooling for an upper plate of an optical component provided in an embodiment of this application;

[0033] Figure 4 This is a schematic diagram of a second form of an auxiliary tooling for the upper plate of an optical component, provided in an embodiment of this application.

[0034] Figure 5A cross-sectional view of a second form of an auxiliary tooling for an optical component provided in this application embodiment during use;

[0035] Figure 6 This is a cross-sectional view of another structure of a second form of an upper plate auxiliary tooling for an optical component provided in an embodiment of this application.

[0036] The following are the labeling elements in the figure:

[0037] 10. Optical component; 20. Machine tool chuck; 30. Bonding fixture; 100. Fixture sleeve; 110. Central shaft hole; 111. Tapered hole; 120. Docking limit hole; 130. Countersunk hole; 200. Part limiting part; 210. Limiting platform; 211. Lower collar; 212. Outer retaining ring; 220. First limiting hole; 300. Chuck limiting part; 310. Outer boss; 320. Second limiting hole; 330. Limiting inner bottom surface. Detailed Implementation

[0038] To make the technical problems, technical solutions, and beneficial effects to be solved by this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and are not intended to limit the scope of this application.

[0039] It should be noted that when a component is referred to as "fixed to" or "set on" another component, it may be directly or indirectly located on that other component. When a component is referred to as "connected to" another component, it may be directly or indirectly connected to that other component. The terms "upper," "lower," "left," "right," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate orientations or positions based on the accompanying drawings, and are for ease of description only, and should not be construed as limiting the technical solution. The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features. "A plurality" means two or more, unless otherwise explicitly defined.

[0040] In existing technologies, the process of mounting all aspherical optical components (where the outer surface of the optical component is the outside and the end face can be curved) involves directly bonding the optical component to a bonding fixture with wax by heating. Then, the eccentricity (concentricity) between the optical component and the machine tool chuck (machine tool spindle) is adjusted. This process is tedious, typically requiring visual inspection for alignment before applying adhesive bit by bit. This not only results in time-consuming concentricity adjustment but also in the temperature of the bonding fixture affecting the wax's viscosity and uniformity, further hindering the adjustment process and making it even more complicated. To address these issues, this application proposes the following embodiments, which optimize the initial coaxial alignment process and improve the efficiency of mounting during machining.

[0041] Example 1

[0042] like Figure 1 , Figure 2 As shown, this embodiment proposes an upper auxiliary fixture for an optical component, used to position the optical component 10 on an adhesive fixture 30. The adhesive fixture 30 is connected to a machine tool chuck 20, which is part of the machine tool spindle. The machine tool chuck 20 drives the adhesive fixture 30 to rotate, allowing the optical component 10, fixed on the adhesive fixture 30, to be rotated for machining. Therefore, to improve the machining quality of the optical component 10, this upper auxiliary fixture is needed to ensure that the central axis of the optical component 10 and the rotation center of the machine tool chuck 20 (machine tool spindle) are coaxial with a predetermined accuracy, thereby meeting the machining quality requirements. For ease of structural description, the structure is illustrated using an example where the adhesive fixture 30 is vertically mounted on the machine tool chuck 20 in the vertical direction.

[0043] like Figure 2 , Figure 3As shown, the upper auxiliary tooling of this embodiment mainly includes: a tooling sleeve 100, a part limiting part 200, and a chuck limiting part 300. The tooling sleeve 100 is arranged vertically during use and has an axially penetrating central shaft hole 110. The central shaft hole 110 has a first end and a second end opposite to each other; in this embodiment, the first end is the upper end and the second end is the lower end. The part limiting part 200 is located at the first end of the tooling sleeve 100 and has a first limiting hole 220. The inner diameter of the first limiting hole 220 matches the outer diameter of the optical component 10 to be processed, and the fitting accuracy is high. The chuck limiting part 300 is located at the second end of the tooling sleeve 100 and has a second limiting hole 320 and a limiting inner bottom surface 330. The inner diameter of the second limiting hole 320 matches the outer diameter of the machine tool chuck 20, and the fitting accuracy is high. Meanwhile, the second limiting hole 320 and the first limiting hole 220 have a predetermined coaxiality. In the specific structure, the first limiting hole 220 is opened at the upper end of the tooling sleeve 100, and the second limiting hole 320 is opened at the lower end of the tooling sleeve 100. The tooling sleeve 100 is sleeved on the bonding tooling 30 through the central shaft hole 110, so that the second limiting hole 320 is sleeved on the outer wall of the machine tool chuck 20 and the inner bottom surface 330 of the limiting hole abuts against the end face of the machine tool chuck 20. In this way, the outer wall of the machine tool chuck 20 and the inner wall of the second limiting hole 320 can be abutted against and positioned, so that the second limiting hole 320 and the machine tool chuck 20 can be coaxial. The optical component 10 is positioned on the bonding fixture 30 by being inserted into the first limiting hole 220. The lower end face of the optical component 10 abuts against the upper surface of the bonding fixture 30, and the outer wall of the optical component 10 abuts against the inner wall of the first limiting hole 220, ensuring that the first limiting hole 220 and the optical component 10 are coaxial. Once the coaxiality of the first limiting hole 220 and the second limiting hole 320 is ensured, the optical component 10 can be kept within a predetermined coaxiality range with the machine tool chuck 20.

[0044] like Figure 1 , Figure 2 , Figure 3As shown, in this embodiment, the upper auxiliary tooling is used by providing a part limiting part 200 at the upper end of the tooling sleeve 100 and a chuck limiting part 300 at the lower end. During the process of positioning the optical component 10 on the bonding tooling 30, the tooling sleeve 100 is simply fitted onto the bonding tooling 30 through the central shaft hole 110, so that the second limiting hole 320 is fitted onto the outer wall of the machine tool chuck 20 and the inner bottom surface 330 of the limiting hole abuts against the end face of the machine tool chuck 20. This ensures that the chuck limiting part 300 is coaxial with the machine tool chuck 20. Then, the optical component 10 is inserted into the first limiting hole 220 and thus limited on the bonding tooling 300. This ensures that the part limiting part 200 and the optical component 10 are coaxial. Since the second limiting hole 320 on the chuck limiting part 300 and the first limiting hole 220 on the part limiting part 200 have a high predetermined coaxiality, the coaxiality between the central axis of the optical component 10 positioned on the bonding fixture 30 and the rotating axis of the machine tool chuck 20 is within a high predetermined precision, thus enabling rapid bonding and positioning of the optical component 10. Using this upper auxiliary fixture directly, the coaxiality error can be quickly controlled within 0.01mm. If even smaller errors are needed, the coaxiality can be adjusted further within 0.01mm, making the adjustment process much faster. Therefore, for the operator, the process of adjusting the deviation between the central axis of the optical component 10 and the rotating axis of the machine tool chuck 20 is simplified, making the coaxial adjustment of the optical component 10 simpler and faster, thus improving processing efficiency.

[0045] like Figure 2 , Figure 3 As shown, the part limiting part 200 in this embodiment specifically includes a limiting platform 210, which is disposed on the first end of the tooling sleeve 100. A first limiting hole 220 is formed on the limiting platform 210 and communicates with the central shaft hole 110. The diameter of the first limiting hole 220 on the limiting platform 210 can be smaller than the diameter of the central shaft hole 110, so that the bonding tool 30 passing through the central shaft hole 110 is located below the first limiting hole 220, and the upper end surface of the bonding tool 30 abuts against the lower surface of the limiting platform 210. In this way, when the optical component 10 is placed in the first limiting hole 220, the lower surface of the optical component 10 can abut against the upper end surface of the bonding tool 30, thereby positioning the optical component 10 on the upper end surface of the bonding tool 30.

[0046] like Figure 3 , Figure 4 As shown, the limiting stage 210 and the tooling sleeve 100 can be configured in various ways, as detailed below:

[0047] like Figure 2 , Figure 3As shown, in the first form, the limiting stage 210 and the tooling sleeve 100 are integrally formed, and the clamping head limiting part 300 is also integrally formed with the tooling sleeve 100. This makes the entire upper plate auxiliary tooling have a tubular structure. The inner diameter of the first limiting hole 220 on the limiting stage 210 is fixed, thus allowing for upper plate positioning of an optical component 10 of a specific specification. This makes the upper plate auxiliary tooling highly specialized and easier to use.

[0048] like Figure 4 , Figure 5 As shown, in the second configuration, the limiting stage 210 is detachably mounted on the tooling sleeve 100. Multiple limiting stages 210 are provided, each with a different inner diameter of its first limiting hole 220. One of the multiple limiting stages 210 is selectively connected to the tooling sleeve 100. This allows for the provision of multiple limiting stages 210 according to different specifications of optical components 10, with the inner diameter of the first limiting hole 220 on each stage matching the outer diameter of the optical component 10. Therefore, the corresponding limiting stage 210 can be selected based on the specifications of the optical component 10 to be processed. After installing the corresponding limiting stage 210 onto the tooling sleeve 100, the optical component 10 of that specification can be positioned on the bonding fixture 30.

[0049] like Figure 4 , Figure 5 As shown, based on the second form, the first end of the tooling sleeve 100 is provided with a docking limiting hole 120, which is connected to the central shaft hole 110; the limiting platform 210 includes a lower collar 211, the outer wall of which is coaxially arranged with the first limiting hole 220, and the lower collar 211 is used to insert into the docking limiting hole 120. Thus, after the lower collar 211 is inserted into the docking limiting hole 120, the first limiting hole 220 and the lower second limiting hole 320 can still maintain a predetermined degree of coaxiality.

[0050] like Figure 4 , Figure 5 As shown, the limiting platform 210 further includes an outer retaining ring 212, which is disposed at the upper end of the lower collar 211. When the limiting platform 210 is inserted into the docking limiting hole 120, the outer retaining ring 212 can abut against the upper end surface of the tooling sleeve 100, thereby restricting the lower collar 211 from continuing to move downward, and fixing the lower collar 211 at the predetermined position of the docking limiting hole 120.

[0051] like Figure 4 , Figure 5As shown, a recessed hole 130 is further provided at the first end of the tooling sleeve 100, and the recessed hole 130 is connected to the central shaft hole 110; the limiting platform 210 includes an outer retaining ring 212 and a lower collar 211, the lower collar 211 is inserted into the tooling sleeve 100, and the outer retaining ring 212 is embedded in the recessed hole 130. In this way, the outer retaining ring 212 can play a limiting role without protruding from the upper end face of the tooling sleeve 100.

[0052] like Figure 4 , Figure 6 As shown, in another structure, when the docking limiting hole 120 is directly connected to the central shaft hole 110, the upper end of the central shaft hole 110 is directly connected to the lower end of the docking limiting hole, so that the docking limiting hole 120 can be directly used as a first limiting hole 220 of a certain specification. That is, the inner diameter of the docking limiting hole 120 can match the outer diameter of the optical component 10 with the largest diameter to be processed, and processing can be carried out directly when processing the optical component 10.

[0053] like Figure 1 , Figure 2 , Figure 3 As shown, further, based on the above structure, the chuck limiting part 300 of this embodiment specifically includes: an outer boss 310, which is formed on the outer wall of the second end of the central shaft hole 110, and a second limiting hole 320 is formed on the outer boss 310. The outer diameter of the outer boss 310 is larger than the outer diameter of the tooling sleeve 100. When the second limiting hole 320 is formed on the outer boss 310, it can be ensured that the inner wall of the second limiting hole 320 has sufficient wall thickness, thus ensuring that the chuck limiting part 300 has sufficient structural strength.

[0054] like Figure 1 , Figure 2 , Figure 3 As shown, in this embodiment, the inner diameter of the second limiting hole 320 is larger than the diameter of the central shaft hole 110, and the inner bottom surface 330 of the limiting hole is the bottom surface of the second limiting hole 320. The inner bottom surface 330 of the limiting hole and the central shaft of the second limiting hole 320 need to ensure a predetermined degree of perpendicularity, so that when the machine tool chuck 20 is inserted into the second limiting hole 320, the upper end face of the machine tool chuck 20 can stably abut against and adhere to the inner bottom surface 330 of the limiting hole. Through the inner wall of the second limiting hole 320 and the inner bottom surface 330 of the limiting hole and the machine tool chuck 20, a high-precision fit is achieved between the chuck limiting part 300 and the machine tool chuck 20, thereby ensuring that the coaxiality between the central shaft of the optical component 10 positioned on the bonding fixture 30 and the rotation axis of the machine tool chuck 20 is within a high predetermined degree of coaxiality.

[0055] like Figure 1 , Figure 6As shown, in this embodiment, the end of the central shaft hole 110 facing the second limiting hole 320 is further configured as a tapered hole 111. A tapered hole 111 is provided at the lower end of the central shaft hole 110, so that during the process of fitting the upper plate auxiliary tooling onto the bonding tooling 30 from top to bottom, the lower end of the tapered hole 111 has a larger inner diameter, making it easier for the upper end of the bonding tooling 30 to enter the central shaft hole 110, thus making the use of the upper plate auxiliary tooling more convenient.

[0056] Furthermore, in this embodiment, the coaxiality between the second limiting hole 320 and the first limiting hole 220 is within 0.01 mm. This coaxiality setting within 0.01 mm can meet the processing quality requirements of most optical components 10. It can also be adjusted to more practical processing needs, for example, to within 0.005 mm, thereby achieving more precise processing quality requirements for the optical components 10.

[0057] Example 2

[0058] like Figure 1 , Figure 2 As shown, this embodiment proposes a processing device, including: a machine tool chuck 20, an adhesive fixture 30 connected to the machine tool chuck 20, and an upper plate auxiliary fixture as described above. The upper plate auxiliary fixture is used to position the optical component 10 on the end face of the adhesive fixture 30. In the specific structure, the machine tool chuck 20 is a hydraulic chuck, which can mill or polish the upper surface of the optical component 10. First, the machine tool chuck 20 clamps the adhesive fixture 30. The edge step of the upper end face of the machine tool chuck 20 (the upper surface of the front end face edge and the outer circular side of the edge) cooperates with the chuck limiting part 300 of the upper plate auxiliary fixture, so that the upper plate auxiliary fixture is fitted onto the adhesive fixture 30. Then, the optical component 10 is embedded into the part limiting part 200 of the upper plate auxiliary fixture, thereby realizing the positioning of the optical component 10.

[0059] In summary, the optical component mounting auxiliary fixture and processing equipment proposed in this application can achieve rapid positioning of the optical component and the bonding fixture through a simple mounting auxiliary fixture, thereby avoiding repeated adjustments using a dial indicator. This significantly reduces mounting time, is more efficient than other mounting methods, and the mounting auxiliary fixture has a lower cost.

[0060] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. An auxiliary fixture for mounting an optical component, used to position the optical component on an adhesive fixture, said adhesive fixture being connected to a machine tool chuck, characterized in that, The upper plate auxiliary tooling includes: A tooling sleeve having an axially penetrating central shaft hole, the central shaft hole having a first end and a second end opposite to each other; A part limiting part is disposed at the first end of the tooling sleeve, and the part limiting part has a first limiting hole; A clamping head limiting part is disposed at the second end of the tooling sleeve. The clamping head limiting part has a second limiting hole and a limiting inner bottom surface. The second limiting hole and the first limiting hole have a coaxiality of a predetermined accuracy. The tooling sleeve is fitted onto the bonding tooling through the central shaft hole, so that the second limiting hole is fitted onto the outer wall of the machine tool chuck and the inner bottom surface of the limiting hole abuts against the end face of the machine tool chuck. The optical component is positioned on the bonding fixture by being inserted into the first limiting hole.

2. The upper plate auxiliary tooling for the optical component as described in claim 1, characterized in that, The part limiting part includes: a limiting platform, which is disposed on the first end of the tooling sleeve, and the first limiting hole is opened on the limiting platform and communicates with the central shaft hole.

3. The auxiliary tooling for the upper plate of the optical component as described in claim 2, characterized in that, The limiting platform and the tooling sleeve are integrally formed.

4. The auxiliary tooling for the upper plate of the optical component as described in claim 2, characterized in that, The limiting platform is detachably mounted on the tooling sleeve; The limiting platform is provided in multiple ways, and the inner diameter of the first limiting hole on the multiple limiting platforms is different; One of the plurality of limiting platforms is selectively connected to the tooling sleeve; The tooling sleeve has a docking limiting hole at its first end, and the docking limiting hole is connected to the central shaft hole; The limiting platform includes a lower collar, the outer wall of which is coaxially arranged with the first limiting hole, and the lower collar is used to be inserted into the docking limiting hole.

5. The upper plate auxiliary tooling for the optical component as described in claim 4, characterized in that, The first end of the tooling sleeve is also provided with a recessed hole, which is connected to the docking limiting hole; The limiting platform also includes an outer retaining ring, which is disposed at the upper end of the lower collar; The lower collar is inserted into the tooling sleeve, and the outer retaining ring is embedded in the recessed hole.

6. The upper plate auxiliary tooling for the optical component as described in claim 1, characterized in that, The card head limiting part includes: an outer boss, which is formed on the outer wall of the second end of the central shaft hole, and the second limiting hole is formed on the outer boss.

7. The upper plate auxiliary tooling for the optical component as described in claim 6, characterized in that, The inner diameter of the second limiting hole is larger than the diameter of the central shaft hole, and the inner bottom surface of the limiting hole is the bottom surface of the second limiting hole.

8. The upper plate auxiliary tooling for the optical component as described in claim 1, characterized in that, The end of the central shaft hole facing the second limiting hole is configured as a tapered hole.

9. The upper plate auxiliary tooling for the optical component as described in any one of claims 1-8, characterized in that, The coaxiality between the second limiting hole and the first limiting hole is within 0.01 mm.

10. A processing device, characterized in that, It includes a machine tool chuck, an adhesive fixture connected to the machine tool chuck, and an upper plate auxiliary fixture as described in any one of claims 1-9, wherein the upper plate auxiliary fixture is used to position the optical component on the end face of the adhesive fixture.

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