Fixing chuck for grinding and polishing aspheric glass reflecting mirror
By designing a combination of chuck, mounting bracket, threaded rod, pressure block, tungsten carbide terminal, and graduation pen sleeve, the problems of unstable fixing and inconvenient measurement of aspherical glass reflectors were solved, achieving stable fixing and accurate measurement, thus improving processing accuracy and efficiency.
Patent Information
- Application Number
- CN202520405179.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-10
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-03-10
AI Technical Summary
Existing aspherical glass reflectors are prone to wobbling when not securely fixed, leading to decreased processing accuracy and inconvenient installation and use of measuring devices.
A fixed clamp was designed, comprising a chuck base, mounting bracket, threaded rod, pressure block, tungsten carbide terminal, and graduated pen sleeve. The threaded rod and pressure block work together to achieve stable clamping of the product. The elastic connection of the rotating plate, sliding rod, and snap-fit abutment plate enables convenient installation and fixation. The design of the guide plate and observation slot facilitates accurate measurement.
This method achieves stable fixation of aspherical glass mirrors during the grinding and polishing process, preventing displacement and facilitating rapid and accurate measurement operations, thereby improving processing precision and efficiency.
Smart Images

Figure CN223802251U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of grinding and polishing, specifically to a fixed chuck for grinding and polishing aspherical glass reflector. BACKGROUND
[0002] In modern optical systems, aspherical glass reflectors play a key role. They are widely used in astronomical telescopes, high-end camera lenses, laser processing equipment, and medical optical instruments. Compared with traditional spherical reflectors, aspherical glass reflectors can more effectively correct aberrations, significantly improving the imaging quality and resolution of optical systems.
[0003] Currently, existing aspherical glass reflector devices may have the problem of being not firmly fixed, and the product may shake during grinding and polishing, resulting in a decrease in processing precision. Moreover, the installation and use of the measuring device are not convenient, making it difficult to quickly and accurately perform measurement operations. The fixed chuck of the utility model can solve these problems. Therefore, we propose a fixed chuck for grinding and polishing aspherical glass reflectors. SUMMARY
[0004] The main purpose of the utility model is to provide a fixed chuck for grinding and polishing aspherical glass reflectors, which can solve the problems mentioned in the background.
[0005] To achieve the above-mentioned purpose, the fixed chuck for grinding and polishing aspherical glass reflectors proposed by the utility model comprises a chuck seat, the top of the chuck seat is fixedly connected with a mounting bracket, the bottom of the chuck seat is provided with a curved groove, an adjusting slot is formed in the chuck seat, a fixed plate is fixedly connected to the inner wall of the adjusting slot, a threaded rod is threadedly connected to the inner wall of the fixed plate, a pressing block is rotatably connected to one end of the threaded rod, an adjusting block is fixedly connected to the other end of the threaded rod, a water channel is formed in the chuck seat, a product body is clamped in the curved groove, and a fixed slot is formed in the top of the chuck seat.
[0006] Preferably, the inner wall of the fixed slot is fixedly connected with a tungsten steel terminal, and an abutting slot is formed above the tungsten steel terminal.
[0007] Preferably, a pen sleeve is arranged above the tungsten steel terminal, an iron tip is fixedly connected to the pen tip of the pen sleeve, a scale is formed on the pen sleeve, and the iron tip can be abutted in the abutting slot.
[0008] Preferably, a rotating plate is rotatably connected to the top of the mounting bracket, and a sliding rod is slidably connected to the inner wall of the rotating plate, so that the movement of the sliding rod is guided by the rotating plate.
[0009] Preferably, a snap-fit plate is fixedly connected to the bottom of the sliding rod, and a snap-fit hole is provided at the bottom of the snap-fit plate. The rotating plate and the snap-fit plate are elastically connected by a compression spring, and the pen cap can be snapped into the snap-fit hole.
[0010] Preferably, a guide plate is fixedly connected to the outer wall of the mounting bracket. A guide hole is provided on the guide plate, and the pen sleeve can be snapped into the guide hole. An observation groove is provided on the guide plate, and the observation groove communicates with the guide hole, so that the scale located at the guide hole can be easily observed through the observation groove.
[0011] This invention provides a fixing chuck for grinding and polishing aspherical glass mirrors. It has the following advantages:
[0012] (1) The fixed chuck for grinding and polishing the aspherical glass reflector places the product body in a groove at the bottom of the chuck seat. By adjusting the fixed plate, threaded rod and pressure block in the groove, the adjustment block is rotated to drive the threaded rod to make the pressure block slide in the groove, thereby stably pressing the product body and ensuring that the product will not be displaced during the grinding and polishing process.
[0013] (2) The fixed clamp for grinding and polishing the aspherical glass reflector is connected to the inner wall of the fixed groove with tungsten steel terminals and has an abutment groove. It is used with a pen cap with an iron head and scale, a rotating plate and sliding rod on the top of the mounting bracket and a snap-fit abutment plate. The pen cap is conveniently installed and fixed by the elastic connection of the compression spring. At the same time, the guide hole and observation groove on the guide plate make it easy to observe the pen cap scale, which is beneficial to accurate measurement. Attached Figure Description
[0014] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, 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 utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.
[0015] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the present invention;
[0016] Figure 2 This is an exploded cross-sectional view of the chuck seat and fixing plate of this utility model;
[0017] Figure 3 This is a cross-sectional view of the threaded rod and pressure block of this utility model.
[0018] Figure 4 This is a cross-sectional structural diagram of the guide plate and pen cap of this utility model.
[0019] Explanation of reference numerals: 1, chuck seat; 2, mounting frame; 3, curved groove; 4, adjusting notch; 5, fixed plate; 6, threaded rod; 7, pressing block; 8, adjusting block; 9, water channel; 10, product body; 11, fixed notch; 12, tungsten steel terminal; 13, pen sleeve; 14, iron head; 15, rotating plate; 16, sliding rod; 17, clamping abutment plate; 18, clamping hole; 19, guide plate; 20, guide hole.
[0020] The realization, functional features and advantages of the utility model will be further described with reference to the drawings in combination with embodiments. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0022] Please refer to Figure 1 Figure 4 The utility model provides a kind of fixed chuck for grinding and polishing aspheric glass reflector, including chuck seat 1, the top of chuck seat 1 is fixedly connected with mounting frame 2, the bottom of chuck seat 1 is equipped with curved groove 3, product body 10 is placed to avoid work by curved groove 3, adjusting notch 4 is set in chuck seat 1, sliding slot is set in adjusting notch 4, the inner wall of adjusting notch 4 is fixedly connected with fixed plate 5, the inner wall of fixed plate 5 is threadedly connected with threaded rod 6, one end of threaded rod 6 is rotatably connected with pressing block 7, the movement of pressing block 7 is guided by sliding slot, the other end of threaded rod 6 is fixedly connected with adjusting block 8, threaded rod 6 is rotated by rotating adjusting block 8, then pressing block 7 is slid in sliding slot, water channel 9 is set in chuck seat 1, water channel 9 is provided with two groups, product body 10 is clamped in curved groove 3, fixed notch 11 is set in the top of chuck seat 1.
[0023] In the utility model, the inner wall of fixed notch 11 is fixedly connected with tungsten steel terminal 12, abutting notch is set in the top of tungsten steel terminal 12, through hole is set in the inner wall of fixed notch 11, through hole is communicated with two groups of water channel 9, pen sleeve 13 is arranged above tungsten steel terminal 12, iron head 14 is fixedly connected with the tip of pen of pen sleeve 13, scale is set on pen sleeve 13, iron head 14 can be abutted in abutting notch.
[0024] Further, the top of the mounting frame 2 is rotationally connected with a rotating plate 15, the inner wall of the rotating plate 15 is slidably connected with a sliding rod 16, the sliding rod 16 is guided by the rotating plate 15 to move, the bottom of the sliding rod 16 is fixedly connected with a clamping abutting plate 17, the bottom of the clamping abutting plate 17 is provided with a clamping hole 18, the rotating plate 15 and the clamping abutting plate 17 are elastically connected through a compression spring, the pen sleeve 13 can be clamped into the clamping hole 18, the clamping abutting plate 17 is away from the rotating plate 15 through the compression spring, and then the pen sleeve 13 clamped in the clamping abutting plate 17 is abutted in the abutting notch, the outer wall of the mounting frame 2 is fixedly connected with a guide plate 19, the guide plate 19 is provided with a guide hole 20, the pen sleeve 13 can be clamped in the guide hole 20, the guide plate 19 is provided with an observation slot, the observation slot and the guide hole 20 are communicated, and the scale located at the guide hole 20 is conveniently observed through the observation slot. By cooperating with the reference line arranged in the subsequent work, when the chuck seat 1 is moved, the position of the reference line on the scale changes, and the measurement of the moving distance of the chuck seat 1 is realized.
[0025] In use, the iron head 14 of the pen sleeve 13 is first inserted into the guide hole 20 and abuts against the abutting notch on the tungsten steel terminal 12, the sliding rod 16 is pulled upwards to drive the clamping abutting plate 17 to be close to the rotating plate 15, the rotating plate 15 is rotated, the clamping abutting plate 17 is conveniently moved above the pen sleeve 13, the sliding rod 16 is released, the clamping abutting plate 17 is driven to be close to the pen sleeve 13 through the reset of the compression spring, the pen sleeve 13 is clamped into the clamping hole 18, and the installation of the pen sleeve 13 is completed.
[0026] The threaded rod 6 is rotated by rotating the adjusting block 8, and then the pressing block 7 is driven to slide in the sliding groove. The product body 10 clamped in the curved groove 3 is pressed by the pressing block 7, and the fixing of the product body 10 on the chuck seat 1 is completed.
[0027] The above only describes preferred embodiments of the present application, and does not limit the patent range of the present application, and any equivalent structural transformation made by the present application specification and drawings, or direct / indirect application in other related technical fields under the inventive concept of the present application is included in the patent protection range of the present application.
Claims
1. A chuck for grinding and polishing aspherical glass mirrors, comprising a chuck base (1), characterized in that: The top of the chuck seat (1) is fixedly connected with a mounting rack (2), the bottom of the chuck seat (1) is provided with a curved groove (3), the chuck seat (1) is provided with an adjusting notch (4), the inner wall of the adjusting notch (4) is fixedly connected with a fixed plate (5), the inner wall of the fixed plate (5) is threadedly connected with a threaded rod (6), one end of the threaded rod (6) is rotatably connected with a pressing block (7), the other end of the threaded rod (6) is fixedly connected with an adjusting block (8), the chuck seat (1) is provided with a water channel (9), the curved groove (3) is clamped with a product body (10), and the top of the chuck seat (1) is provided with a fixed notch (11).
2. The fixed chuck for polishing aspherical glass mirrors according to claim 1, wherein: The inner wall of the fixed notch (11) is fixedly connected with a tungsten steel terminal (12), and the upper side of the tungsten steel terminal (12) is provided with an abutting notch.
3. The fixed chuck for polishing aspherical glass mirrors according to claim 2, wherein: The upper side of the tungsten steel terminal (12) is provided with a pen sleeve (13), and the tip of the pen sleeve (13) is fixedly connected with an iron head (14).
4. The fixed chuck head for polishing aspherical glass mirrors according to claim 1, wherein: The top of the mounting rack (2) is rotatably connected with a rotating plate (15), and the inner wall of the rotating plate (15) is slidably connected with a sliding rod (16).
5. The fixed chuck for polishing aspherical glass mirrors according to claim 4, wherein: The bottom of the sliding rod (16) is fixedly connected with a clamping abutting plate (17), and the bottom of the clamping abutting plate (17) is provided with a clamping hole (18).
6. The fixed chuck for polishing aspherical glass mirrors according to claim 1, wherein: The outer wall of the mounting rack (2) is fixedly connected with a guide plate (19), and the guide plate (19) is provided with a guide hole (20).