Columnar optical part end face machining tool and polishing equipment

Abstract

The utility model provides a columnar optical part end face machining tool and polishing equipment, the machining tool is used for being installed on a rotating shaft of a polishing machine body, the columnar optical part end face machining tool comprises a mold body, the mold body extends by a preset length in the axial direction and is used for being connected to the rotating shaft, and the mold body is driven by the rotating shaft to rotate; the end, away from the rotating shaft, of the die body is a first end face, and a mounting hole is formed in the first end face in the axial direction and used for containing a columnar optical part. The cylindrical optical part is fixed in the mounting hole through curing glue, and the length of a cylinder, exposed out of the mounting hole, of the cylindrical optical part is not larger than that of a cylinder, located in the mounting hole, of the cylindrical optical part. The problems that in the machining process of the end face of an existing columnar optical part, clamping is not convenient, shaking is likely to happen in the machining process, so that the polishing precision is not high, errors are large, the production efficiency and the product yield are low, and even the columnar optical part is likely to be collapsed and scrapped are solved.

Description

Technical Field

[0001] This application relates to the field of optical component processing technology, and more specifically, to a tooling for processing the end face of a columnar optical component and a polishing equipment. Background Technology

[0002] Cylindrical optical components typically refer to cylindrical optical parts whose axial length is several times greater than their radial length. Due to their relatively long axial length, the top end face of the cylindrical optical component usually needs to be polished upright with the end face facing upwards.

[0003] Current technology typically employs a single-piece machining method for processing cylindrical parts. This involves using grippers (such as triangular grippers) to hold the part and then bonding it in place before polishing the end face. However, existing grippers have short clamping distances, only holding the bottom of the cylindrical optical component. This leaves a large section of the component exposed outside the fixture. During polishing of the top end face, this results in unstable force on the component, making the exposed area prone to wobbling. This leads to low polishing accuracy, large errors, low production efficiency and product yield, and even the risk of the component breaking off and becoming unusable.

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

[0005] The purpose of this application is to provide a tooling and polishing equipment for processing the end face of columnar optical components, which solves the problems of inconvenient clamping, easy shaking during processing, resulting in low polishing accuracy, large errors, low production efficiency and product yield, and even easy breakage and scrapping of columnar optical components during the end face processing of existing columnar optical components.

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

[0007] On one hand, this application provides a tooling for machining the end face of a columnar optical component, used to mount on a rotating shaft on the body of a polishing machine, wherein the tooling for machining the end face of the columnar optical component includes:

[0008] The mold body extends axially for a predetermined length and is used to connect to the rotating shaft and rotates by the drive of the rotating shaft. The end of the mold body opposite to the rotating shaft is the first end face, and a mounting hole is provided on the first end face along the axial direction for accommodating the columnar optical element.

[0009] The columnar optical element is fixed in the mounting hole by curing adhesive, and the length of the columnar optical element protruding from the mounting hole is not greater than the length of the columnar optical element located in the mounting hole.

[0010] In an optional embodiment, a liquid inlet hole is provided on the outer side wall of the mold body. The liquid inlet hole is connected to the mounting hole and is used to allow the dissolving liquid to enter the mounting hole to dissolve the curing adhesive.

[0011] In an optional embodiment, a plurality of polishing pads are provided on the first end face, the plurality of polishing pads being used for synchronous polishing with the end face of the columnar optical element.

[0012] In an optional embodiment, a plurality of countersunk holes are formed on the first end face, and a plurality of polishing pads are installed in the countersunk holes.

[0013] In an optional embodiment, the first end face is configured as an arc surface that protrudes in the middle and is concave at the outer edge.

[0014] In an optional embodiment, a discharge through hole is provided at one end of the mold body away from the first end face, and the discharge through hole is axially connected to the mounting hole.

[0015] In an optional embodiment, the mold body is connected to the rotating shaft by an outer locking ring;

[0016] A mating stop is provided at one end of the mold body away from the first end face. An outer locking ring is fitted on the mold body and connected to the rotating shaft so that the mating stop is squeezed and limited within the outer locking ring.

[0017] The outer locking ring has a first through hole and a second through hole connected to the first through hole;

[0018] The inner diameter of the first through hole is smaller than that of the second through hole to form a locking step at the connection, and the second through hole is provided with a first internal thread;

[0019] The outer locking ring is fitted onto the mold body through the first and second through holes so that the mating flange abuts against the locking step.

[0020] In an optional embodiment, the outer locking ring is connected to the rotating shaft via an adapter;

[0021] The adapter includes: a spindle connection part, which has a second internal thread and is screwed onto the rotating shaft through the second internal thread;

[0022] The adapter is connected to the spindle connection part. The spindle connection part is provided with an external thread for mating with the outer locking ring so that the end face of the adapter abuts against the mating flange.

[0023] A mating groove is provided on the end face of the adapter, and a mating boss is provided on the end of the mold body away from the first end face. The mating boss is used to be embedded in the mating groove.

[0024] On the other hand, this application also proposes a polishing device, including a polishing machine body and a tooling for processing the end face of a columnar optical component as described above.

[0025] The polishing machine body includes a rotating shaft and an adjustable grinding wheel assembly;

[0026] The mold body of the tooling for machining the end face of the columnar optical component is set on the rotating shaft, and the grinding assembly is located on the side of the columnar optical component away from the rotating shaft and is used to polish the end face of the columnar optical component.

[0027] In an optional embodiment, the abrasive assembly includes: a polishing disc for abutting against the end face of the columnar optics;

[0028] The push rod is movably connected to the polishing disc;

[0029] The movable frame is connected to the top rod, which is adjusted in position under the drive of the movable frame so that the polishing disc polishes different positions on the end face of the columnar optical component.

[0030] The beneficial effects of the tooling and polishing equipment for processing the end face of a columnar optical component provided in this application are at least as follows: By extending the mold body axially by a predetermined length and connecting it to a rotating shaft, a columnar optical component is inserted into a mounting hole at the upper end of the mold body. The columnar optical component is fixed in the mounting hole with curing adhesive, and the length of the columnar optical component protruding from the mounting hole is no greater than the length of the columnar optical component located in the mounting hole. The rotation of the rotating shaft drives the mold body to rotate, thereby rotating the columnar optical component and polishing its top end face. Due to the depth of the mounting hole, the portion of the columnar optical component inserted into the mounting hole is stably fixed, while the exposed portion of the columnar optical component is short, thus achieving stable clamping of the columnar optical component. During the rotation of the columnar optical component, it is not easy for the columnar optical component to wobble, thereby ensuring the stability of the columnar optical component's rotation, improving polishing accuracy, reducing processing errors, and improving production efficiency and product yield. Attached Figure Description

[0031] 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.

[0032] Figure 1 This is a partial structural diagram of a polishing device provided in an embodiment of this application;

[0033] Figure 2A cross-sectional view of a tooling for machining the end face of a columnar optical component, provided in an embodiment of this application, in a first form connected to a rotating shaft;

[0034] Figure 3 A cross-sectional view of a tooling for machining the end face of a columnar optical component, provided in an embodiment of this application, in a second form connected to a rotating shaft;

[0035] Figure 4 An exploded view of a second form of a tooling for machining the end face of a columnar optical component, provided in an embodiment of this application, connected to a rotating shaft;

[0036] Figure 5 This is an exploded cross-sectional view of a columnar optical component end face machining fixture provided in an embodiment of this application, in a second form connected to a rotating shaft.

[0037] The following are the labeling elements in the figure:

[0038] 10. Columnar optical component; 20. Polishing machine body; 21. Rotary shaft; 22. Polishing disc; 23. Push rod; 24. Movable frame; 100. Mold body; 101. First end face; 110. Mounting hole; 120. Countersunk hole; 130. Liquid inlet through hole; 140. Unloading through hole; 150. Butt joint guard; 160. Butt joint boss; 200. Polishing mating disc; 300. Outer locking ring; 310. First through hole; 311. Locking step; 320. Second through hole; 321. First internal thread; 400. Adapter; 410. Main shaft connection part; 411. Second internal thread; 420. Adapter part; 421. Butt joint groove. Detailed Implementation

[0039] 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.

[0040] 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.

[0041] Example 1

[0042] Please see Figure 1 , Figure 2 This embodiment proposes a machining fixture for the end face of a cylindrical optical component. It is mounted on a rotating shaft 21 on the polishing machine body 20 and fixes the cylindrical optical component 10 to be processed. The rotating shaft 21 rotates, driving the machining fixture and thus rotating the cylindrical optical component 10. The cylindrical optical component 10 can be a cylindrical optical component, a rectangular prism-shaped optical component, a triangular prism-shaped optical component, or other elongated optical components. For ease of structural description, the cylindrical optical component 10 is vertically positioned as an example, with its axis pointing up and down. The lower end of the cylindrical optical component 10 is fixed to the machining fixture, and the upper end face of the cylindrical optical component 10 is polished. In this embodiment, the tooling for processing the end face of the columnar optical component mainly includes a mold body 100. The mold body 100 extends axially for a predetermined length and is used to connect to a rotating shaft 21. It rotates by the drive of the rotating shaft 21. The end of the mold body 100 opposite to the rotating shaft 21 (the upper end) is a first end face 101. An axial mounting hole 110 is provided on the first end face 101. The mounting hole 110 is used to accommodate the columnar optical component 10. The diameter of the mounting hole 110 matches that of the columnar optical component 10. The columnar optical component 10 is fixed in the mounting hole 110 by a curing adhesive. The curing adhesive melts under heating and can be cured and bonded after cooling. When installing the columnar optical component 10, the curing adhesive under heating is first applied to the side wall and bottom surface of the columnar optical component 10, and then inserted into the mounting hole 110. After the curing adhesive cools, it fixes the columnar optical component 10 in the mounting hole 110. The length of the columnar optical element 10 protruding from the mounting hole 110 is no greater than the length of the columnar optical element 10 within the mounting hole 110. Specifically, only a small portion of the columnar optical element 10 protrudes from the opening of the mounting hole 110, while the majority of the lower end of the columnar optical element 10 is fixed within the mounting hole 110 by curing adhesive, thus stably fixing the lower end of the columnar optical element 10 to the mold body 100. Therefore, because the lower end is inserted deeply into the mold body 100, even when the end face of the columnar optical element 10 is subjected to force during polishing, the upper end of the columnar optical element 10 will not wobble.

[0043] This embodiment provides a tooling for machining the end face of a columnar optical component. A mold body 100 is extended axially by a predetermined length and connected to a rotating shaft 21. A columnar optical component 10 is inserted into a mounting hole 110 at the upper end of the mold body 100 and fixed within the mounting hole 110 with a curing adhesive. The length of the columnar optical component 10 protruding from the mounting hole 110 is no greater than the length of the columnar optical component 10 within the mounting hole 110. The rotation of the rotating shaft 21 drives the mold body 100 to rotate, thereby rotating the columnar optical component 10 and polishing its top end face. Because the mounting hole 110 is relatively deep, the portion of the columnar optical component 10 inserted into the mounting hole 110 is stably fixed, while the exposed portion is relatively short, thus achieving stable clamping of the columnar optical component 10. During the rotation of the columnar optical element 10, it is not easily shaken, thus ensuring the stability of its rotation, improving polishing accuracy, reducing processing errors, and increasing production efficiency and product yield. The end-face processing fixture provided by this utility model can improve polishing efficiency and can also perform disc-type processing, resulting in good end-face polishing quality that meets product precision requirements.

[0044] If the outer diameter of the first end face 101 of the mold body 100 is large enough, multiple mounting holes 110 can be opened on the first end face 101, corresponding to the placement of multiple columnar optical components 10. This allows multiple columnar optical components 10 to be polished simultaneously, reducing the number of times the mold body 100 is disassembled and improving production efficiency.

[0045] Please see Figure 2 , Figure 3 , Figure 4 Furthermore, in this embodiment, a plurality of polishing pads 200 are provided on the first end face 101. The plurality of polishing pads 200 are used for simultaneous polishing with the end face of the columnar optical element 10. The plurality of polishing pads 200 are bonded to the end face of the mold body 100. When polishing, the end faces of the plurality of polishing pads 200 and the end face of the columnar optical element 10 can be regarded as a whole surface for polishing, which is equivalent to increasing the polishing area by means of polishing pads 200. Therefore, a larger polishing pad 22 (polishing abrasive) can be used. The larger polishing pad 22 has a larger surface area for polishing operations. In this way, when the end face of the columnar optical element 10 and the end face of the polishing pads 200 are polished simultaneously, the polishing force is more stable, and the surface shape consistency of the polished end face of the columnar optical element 10 obtained by polishing is better, thereby improving the polishing quality of the end face of the columnar optical element 10.

[0046] Please see Figure 3Furthermore, in this embodiment, a plurality of countersunk holes 120 are formed on the first end face 101, and a plurality of polishing pads 200 are installed in the countersunk holes 120. The countersunk holes 120 provide mounting positions for the polishing pads 200, allowing the polishing pads 200 to be fixed in the countersunk holes 120 with adhesive. In this way, the polishing pads 200 are fixed stably during the polishing process and are not easy to fall off. The plurality of countersunk holes 120 can be evenly distributed on the first end face 101. In this way, during the polishing process, the evenly distributed polishing pads 200 ensure that the columnar optical element 10 is subjected to a uniform polishing force, which is beneficial to smoother movement of the polishing grinding wheel 22 during polishing.

[0047] Please see Figure 2 , Figure 3 Furthermore, in this embodiment, the first end face 101 is configured as an arc-shaped surface with a convex center and a concave outer edge. The first end face 101 is configured as an arc-shaped convex surface, so that the mounting hole 110 is located in the middle position. When the polishing disc 22 polishes the end face of the central columnar optical component 10, it is also in a moving state. During this movement, a certain degree of tilt occurs. Therefore, when the polishing disc 22 moves at an angle, it will not touch the first end face 101, thus preventing damage to the tooling and the disc. The arc-shaped first end face 101 provides a clearance for the polishing disc 22 during the polishing process, ensuring the stability of the polishing process.

[0048] Please see Figure 2 , Figure 4 Furthermore, in this embodiment, a liquid inlet hole 130 is provided on the outer side wall of the mold body 100, and the liquid inlet hole 130 is connected to the mounting hole 110. The liquid inlet hole 130 is arranged radially along the mold body 100, and multiple liquid inlet holes 130 can be provided, for example, arranged around the central axis in the circumferential direction of the mold body 100 or / and spaced apart in the vertical direction. After polishing is completed, the mold body 100 can be removed and placed in the dissolving solution. The dissolving solution enters the mounting hole 110 through the liquid inlet hole 130 to dissolve the cured adhesive. By using multiple liquid inlet holes 130, the dissolving solution can dissolve the cured adhesive from multiple positions in the mounting hole 110, dissolving as much cured adhesive as possible during immersion, thereby dissolving the cured adhesive as quickly as possible, thus improving the efficiency of immersing the polished parts in the solution to dissolve the adhesive after polishing, and facilitating the removal of the columnar optical component 10 from the bonding mold.

[0049] Please see Figure 2 , Figure 3Furthermore, in this embodiment, the mold body 100 has a discharge through hole 140 at one end opposite to the first end face 101, and the discharge through hole 140 is axially connected to the mounting hole 110. The discharge through hole 140 is located on the bottom surface of the mold body 100 and extends vertically to the mounting hole 110. Since the upper end of the columnar optical element 10 is relatively short, it is inconvenient to pull the columnar optical element 10 out of the mounting hole 110. However, by using a small rod through the discharge through hole 140 at the lower end, the columnar optical element 10 can be pushed out of the mounting hole 110, which facilitates the disassembly of the columnar optical element 10 after polishing.

[0050] Depending on the specifications of the rotating shaft 21, the mold body 100 can be connected to the rotating shaft 21 in the following two ways.

[0051] Please see Figure 2 In the first configuration, the mold body 100 is directly connected to the rotating shaft 21 via the outer locking ring 300. The outer locking ring 300 mates with the rotating shaft 21, directly engaging to fix the mold body 100 onto the rotating shaft 21. Specifically, the mold body 100 has a mating flange 150 at the end opposite to the first end face 101. The outer locking ring 300 is fitted onto the mold body 100, and its lower end has a first internal thread 321, which screws it onto the rotating shaft 21. This applies pressure to the upper surface of the mating flange 150 through the outer locking ring 300, causing the lower surface of the mating flange 150 to abut against the surface of the rotating shaft 21, thus confining the mating flange 150 within the outer locking ring 300. Furthermore, the outer locking ring 300 has a first through hole 310 axially formed and a second through hole 320 connected to the first through hole 310. The inner diameter of the first through hole 310 is smaller than that of the second through hole 320, forming a locking step 311 at the connection. The second through hole 320 is located below, so the first internal thread 321 is provided on the inner wall of the second through hole 320. The outer locking ring 300 is sleeved on the mold body 100 through the first through hole 310 and the second through hole 320, so that the mating flange 150 abuts against the locking step 311. The outer locking ring 300 can stably fix the mold body 100 on the rotating shaft 21.

[0052] Please see Figure 3 , Figure 4 , Figure 5In the second configuration, the first internal thread 321 of the outer locking ring 300 does not match the external thread on the rotating shaft 21. Therefore, the outer locking ring 300 is connected to the rotating shaft 21 via an adapter 400. The adapter 400 specifically includes a spindle connection part 410 and a conversion adapter part 420. The spindle connection part 410 has a second internal thread 411, and is screwed onto the rotating shaft 21 via this thread. The conversion adapter part 420 is connected to the spindle connection part 410, which has an external thread for mating with the outer locking ring 300, so that the end face of the conversion adapter part 420 abuts against the mating flange 150. This allows the conversion adapter part 420 to replace the end of the rotating shaft 21 in connecting with the outer locking ring 300, enabling the mold body 100 to be used on rotating shafts 21 of different specifications, thus improving its practicality.

[0053] Please see Figure 3 , Figure 4 , Figure 5 In this embodiment, a mating groove 421 is provided on the end face of the conversion connector 420, and a mating boss 160 is provided on the end of the mold body 100 opposite to the first end face 101. The mating boss 160 is used to fit into the mating groove 421. The mating groove 421 is a tapered groove, and the tapering satisfies the Mohs taper, so as to perform a static fit with the mating boss 160 of the mold body 100 for precise positioning.

[0054] Example 2

[0055] Please see Figure 1 , Figure 3 , Figure 4 This embodiment proposes a polishing device, including a polishing machine body 20 and a tooling for processing the end face of a columnar optical component as described above. The polishing machine body 20 includes a rotatably mounted shaft 21 and a position-adjustable grinding wheel assembly; the mold body 100 of the tooling for processing the end face of the columnar optical component is mounted on the shaft 21, and the grinding wheel assembly is located on the side of the columnar optical component 10 away from the shaft 21, and is used to polish the end face of the columnar optical component 10.

[0056] Please see Figure 1 , Figure 3 , Figure 4Furthermore, the abrasive assembly in this embodiment includes a polishing disc 22, a push rod 23, and a movable frame 24. The movable frame 24 is mounted on the polishing machine body 20 and is moved by the drive of the polishing machine body 20. The upper end of the push rod 23 is fixed to the movable frame 24 and therefore moves with the movement of the movable frame 24. The polishing disc 22 is located at the lower end of the push rod 23 and is movably connected to the push rod 23. The polishing disc 22 is used to abut against the end face of the columnar optical element 10 and polishes the end face of the columnar optical element 10 by rotating the columnar optical element 10. During the polishing process, the push rod 23 is adjusted in position under the drive of the movable frame 24 so that the polishing disc 22 polishes different positions of the end face of the columnar optical element 10. In this embodiment, the polishing working surface of the polishing disc 22 is an arc-shaped surface. During the polishing process, the arc-shaped surface moves and polishes against the end face of the columnar optical element 10 and the surface of the polishing pad 200.

[0057] In summary, the tooling and polishing equipment for processing the end face of a columnar optical component provided in this application, by inserting the columnar optical component into a mounting hole at the upper end of the mold body, and the mounting hole being relatively deep, ensures that the portion of the columnar optical component inserted into the mounting hole is stably fixed, while the exposed portion of the columnar optical component is relatively short, thereby achieving stable clamping of the columnar optical component. During the rotation of the columnar optical component, it is not easily shaken, thus ensuring the stability of the columnar optical component's rotation, improving polishing accuracy, reducing processing errors, and improving production efficiency and product yield. By setting a polishing disc, disc-based processing is achieved, improving the end face polishing quality and meeting product precision requirements.

[0058] 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. A tooling for machining the end face of a columnar optical component, used to mount on a rotating shaft on the body of a polishing machine, characterized in that, The tooling for machining the end face of the columnar optical element includes: The mold body extends axially for a predetermined length and is connected to the rotating shaft, and is rotated by the drive of the rotating shaft. The end of the mold body opposite to the rotating shaft is a first end face, and a mounting hole is provided axially on the first end face for accommodating a columnar optical element. The columnar optical element is fixed in the mounting hole by a curing adhesive, and the length of the columnar optical element protruding from the mounting hole is not greater than the length of the columnar optical element located in the mounting hole.

2. The tooling for machining the end face of a columnar optical component as described in claim 1, characterized in that, A liquid inlet hole is provided on the outer side wall of the mold body. The liquid inlet hole is connected to the mounting hole and is used for the dissolving liquid to enter the mounting hole to dissolve the curing adhesive.

3. The tooling for machining the end face of a columnar optical component as described in claim 1, characterized in that, Multiple polishing discs are provided on the first end face, and the multiple polishing discs are used to polish the end face of the columnar optical element synchronously.

4. The tooling for machining the end face of a columnar optical component as described in claim 3, characterized in that, Multiple countersunk holes are provided on the first end face, and multiple polishing pads are installed in the countersunk holes.

5. The tooling for machining the end face of a columnar optical component as described in claim 1, characterized in that, The first end face is configured as an arc surface with a convex center and a concave outer edge.

6. The tooling for machining the end face of a columnar optical component as described in claim 1, characterized in that, The mold body has a discharge through hole at one end away from the first end face, and the discharge through hole is axially connected to the mounting hole.

7. The tooling for machining the end face of a columnar optical component as described in claim 1, characterized in that, The mold body is connected to the rotating shaft by an outer locking ring; The mold body is provided with a mating stop at one end away from the first end face. The outer locking ring is sleeved on the mold body and connected to the rotating shaft so that the mating stop is squeezed and limited within the outer locking ring. The outer locking ring has a first through hole and a second through hole connected to the first through hole; The inner diameter of the first through hole is smaller than that of the second through hole to form a locking step at the connection, and the second through hole is provided with a first internal thread; The outer locking ring is fitted onto the mold body through the first through hole and the second through hole, so that the mating stop edge abuts against the locking step.

8. The tooling for machining the end face of a columnar optical component as described in claim 7, characterized in that, The outer locking ring is connected to the rotating shaft via an adapter; The adapter includes: a spindle connection part, wherein a second internal thread is provided in the spindle connection part, and the spindle connection part is screwed onto the rotating shaft through the second internal thread; The adapter is connected to the main spindle connection part, and the main spindle connection part is provided with an external thread for mating with the outer locking ring so that the end face of the adapter abuts against the mating flange. A mating groove is provided on the end face of the conversion connector, and a mating boss is provided on the end of the mold body opposite to the first end face. The mating boss is used to be embedded in the mating groove.

9. A polishing device, characterized in that, It includes a polishing machine body and a tooling for processing the end face of a columnar optical component as described in any one of claims 1-8; The polishing machine body includes a rotating shaft and an adjustable grinding wheel assembly; The mold body of the tooling for processing the end face of the columnar optical component is mounted on the rotating shaft, and the grinding assembly is located on the side of the columnar optical component away from the rotating shaft and is used to polish the end face of the columnar optical component.

10. The polishing equipment as described in claim 9, characterized in that, The abrasive assembly includes: a polishing disc, which is used to abut against the end face of the columnar optical element; A push rod, which is movably connected to the polishing disc; A movable frame is connected to the top rod, and the top rod is adjusted in position under the drive of the movable frame so that the polishing disc polishes different positions of the end face of the columnar optical element.

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