Grinding robot for optical mirror surface

By installing a cooling plate and preheating rod at the bottom of the mirror and using fan cooling and resistance heating technology, the problem of thermal deformation of the mirror is solved, the uniformity and stability of grinding are improved, and the optical performance of the mirror is ensured.

CN223441908UActive Publication Date: 2025-10-17NANJING NAIERSI PHOTOELECTRIC INSTR +1
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Patent Information

Application Number
CN202422800672.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-18
Publication Date
2025-10-17
Estimated Expiration
2034-11-18

AI Technical Summary

Technical Problem

The sliding between the grinding disc and the mirror surface is accompanied by high-speed rotation, which causes the temperature of the mirror surface to rise, resulting in thermal deformation, affecting the optical performance and possibly damaging the mirror surface, affecting the grinding quality.

Method used

A cooling plate is installed at the bottom of the mirror. The airflow generated by the fan is used to cool the mirror through the nozzle of the cooling plate. The resistance heating of the preheating rod is used to make the mirror temperature uniform to prevent thermal deformation.

Benefits of technology

It effectively prevents the mirror surface from heating up, improves the uniformity and stability of grinding, reduces the unevenness of surface roughness, and ensures the stability of the mirror surface's optical performance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a grinding robot for an optical mirror surface, which relates to the technical field of optical mirror surface processing and comprises a base and a rotating seat, a mounting plate is fixedly mounted in the base, two cooling plates are fixedly mounted at the top end of the mounting plate, and two support plates are fixedly mounted at the top end of the mounting plate. Two preheating rods are fixedly mounted at the top end of each supporting plate, a first connector is fixedly mounted at the side end of the mounting plate, current is transmitted to the preheating rods through a second connector, the interiors of the preheating rods are heated through a resistance heating mode, the temperature of the mirror surface can be more uniform through preheating, and in the grinding process, the mirror surface is more uniform. The contact between the grinding material and the mirror surface is more stable, the grinding uniformity is improved, the non-uniformity of the surface roughness is reduced, then the adjusting support arm is driven to rotate through the rotating seat, meanwhile, the grinding disc is driven to deflect by an angle on the surface of the mirror surface, and plane machining or curved surface machining can be conducted on the mirror surface.
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Description

TECHNICAL FIELD

[0001] The utility model relates to optical mirror processing technical field, especially optical mirror grinding robot. BACKGROUND

[0002] The application of optical mirror is very extensive, and the optical mirror needs to be ground to ensure the smoothness of its surface and the light transmission effect during the processing of the optical mirror, but the common grinding tool is generally complex in structure, and is generally set in cooperation with precise automatic grinding equipment, and in actual application, the grinding robot usually needs the following technologies:

[0003] 1. Joint and motion mechanism, enabling the robot to perform complex motion trajectories in three-dimensional space;

[0004] 2. Moving mechanism, expanding the working range of the robot and improving production efficiency;

[0005] 3. End effector, directly contacting the workpiece for grinding operation;

[0006] 4. Control system, responsible for receiving feedback information from sensors, motion planning and trajectory generation;

[0007] The relative movement between the grinding tool (such as grinding wheel, abrasive belt, grinding disc, etc.) and the optical mirror removes the material on the optical mirror through mechanical friction, and through grinding, the surface shape error of the optical mirror can be controlled to nanometer level, and the dimensional accuracy can be controlled to micrometer level.

[0008] The surface sliding of the grinding disc and the mirror is accompanied by high-speed rotation, and the high-speed rotating motion mode also easily leads to the temperature rise of the mirror, and the surface of the mirror will produce thermal deformation, which will affect the optical performance of the mirror, and even may cause damage to the mirror, affecting the quality of grinding. INVENTION CONTENTS

[0009] (I) Technical problems solved

[0010] In view of the deficiencies of the prior art, the utility model provides an optical mirror grinding robot, which solves the technical problem that the surface sliding of the grinding disc and the mirror is accompanied by high-speed rotation, and the high-speed rotating motion mode also easily leads to the temperature rise of the mirror, and the surface of the mirror will produce thermal deformation, which will affect the optical performance of the mirror, and even may cause damage to the mirror, affecting the quality of grinding.

[0011] (II) Technical scheme

[0012] To achieve the above purpose, the utility model realizes the following technical scheme:

[0013] The utility model provides a kind of optical mirror grinding robot, including base and rotating seat, the inside fixed mounting of base is installed with mounting plate, the top of mounting plate is fixedly installed with two cooling plates, the top of mounting plate is fixedly installed with two support plates, the top of each support plate is fixedly installed with two preheating rods, the side end of mounting plate is fixedly installed with first joint, the side end of mounting plate is fixedly installed with second joint.

[0014] Preferably: the side end of base is rotatably installed with rotating shaft, the inside of base is slidably installed with two clamping plates, the top of rotating seat is slidably installed with adjusting arm, the bottom of adjusting arm is fixedly installed with power box, the bottom of power box is rotatably installed with grinding disc, the clamping plate is split design, can be opened and closed, clamping plate moves in the inside of base by hydraulic rod drive, the inside of base is installed with motor, and the output of motor is connected with rotating shaft.

[0015] (Three) beneficial effects

[0016] 1, by installing plate is set in the bottom end of mirror, first joint and second joint are installed in the side end of mounting plate, first joint is connected with fan, and the airflow generated by fan is introduced into the inside of cooling plate, the top of cooling plate is inclined surface design, is provided with multiple spouts, and the cooled airflow is blown to the bottom end of mirror by cooling plate, to prevent grinding from causing mirror temperature rise, and heat deformation is generated.

[0017] 2, by second joint, current is transmitted to preheating rod, the inside of preheating rod is heated by resistance heating mode, so that preheating rod is heated, preheating can make mirror temperature more uniform, and the contact of abrasive and mirror is more stable in the process of grinding, to help improve the uniformity of grinding and reduce the unevenness of surface roughness. DETAILED DESCRIPTION

[0018] The above description is only a summary of the technical scheme of the utility model, in order to more clearly understand the technical means of the utility model, and can be implemented according to the content of the specification, as follows in the preferred embodiments of the utility model and cooperate with the drawings detailed as follows.

[0019] Figure 1 It is the structure diagram of the base of the utility model;

[0020] Figure 2 It is the structure diagram of adjusting arm of the utility model;

[0021] Figure 3 It is the structure diagram of clamping plate of the utility model;

[0022] Figure 4 It is the structure diagram of mounting plate of the utility model.

[0023] Legend: 11, base; 12, rotating seat; 13, adjusting arm; 14, power box; 15, grinding disc; 16, mounting plate; 17, first joint; 18, second joint; 19, cooling plate; 21, support plate; 22, preheating rod; 23, clamping plate; 24, rotating shaft. DETAILED DESCRIPTION

[0024] The embodiment of the present application effectively solves the technical problem that the surface sliding of the grinding disc and the mirror is accompanied by high-speed rotation, the high-speed rotating movement mode also easily causes the temperature of the mirror to rise, the surface of the mirror generates thermal deformation, the thermal deformation affects the optical performance of the mirror, and even possibly causes damage to the mirror, and affects the quality of grinding, by installing the mounting plate at the bottom end of the mirror, the first joint and the second joint are installed at the side end of the mounting plate, the first joint is connected with the fan, the airflow generated by the fan is introduced into the inside of the cooling plate, the top end of the cooling plate is designed as an inclined surface and is provided with a plurality of nozzles, the cooled airflow is blown to the bottom end of the mirror through the cooling plate, and the temperature rise of the mirror caused by grinding is prevented, and thermal deformation is generated.

[0025] EMBODIMENT

[0026] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 , the technical scheme in the embodiment of the present application effectively solves the technical problem that the surface sliding of the grinding disc and the mirror is accompanied by high-speed rotation, the high-speed rotating movement mode also easily causes the temperature of the mirror to rise, the surface of the mirror generates thermal deformation, the thermal deformation affects the optical performance of the mirror, and even possibly causes damage to the mirror, and affects the quality of grinding, and the general idea is as follows:

[0027] In view of the problems in the prior art, the utility model provides a kind of optical mirror grinding robot, including base 11 and rotating seat 12, the inside fixed mounting of base 11 is provided with mounting plate 16, the top end of mounting plate 16 is fixedly installed with two cooling plates 19, the top end of each support plate 21 is fixedly installed with two preheating rods 22, the side end of mounting plate 16 is fixedly installed with first joint 17, the side end of mounting plate 16 is fixedly installed with second joint 18, first joint 17 is connected with fan in the side end of mounting plate 16, the airflow generated by fan is introduced into the inside of cooling plate 19, the top end of cooling plate 19 is designed as an inclined surface and is provided with a plurality of nozzles, the cooled airflow is blown to the bottom end of the mirror through cooling plate 19, to prevent the temperature rise of mirror caused by grinding.

[0028] The side end of the base 11 is rotatably installed with a rotating shaft 24, the inner side of the base 11 is slidably installed with two clamping plates 23, the top end of the rotating seat 12 is slidably installed with an adjusting arm 13, the bottom end of the adjusting arm 13 is fixedly installed with a power box 14, the side end of the base 11 is rotatably installed with a rotating shaft 24, the rotating shaft 24 is rotatably connected with the rotating seat 12, and a hydraulic rod installed between the rotating seat 12 and the adjusting arm 13 is matched, so as to push the movement of the adjusting arm 13, and then drive the adjusting arm 13 to rotate through the rotating seat 12, and drive the deflection angle of the grinding disc 15 on the surface of the mirror, so that the mirror can be planarly or curvedly processed, the bottom end of the power box 14 is rotatably installed with the grinding disc 15, the clamping plate 23 is of split type design and can be opened and closed, the clamping plate 23 is driven to move in the base 11 through the hydraulic rod, a motor is installed in the base 11, and the output end of the motor is connected with the rotating shaft 24.

[0029] Working principle:

[0030] Firstly, a driving motor and a control hydraulic pipeline are installed in the base 11, a fan is installed at the side end of the base 11, the second connector 18 is connected with the power supply in the base 11, the mounting plate 16 is controlled through the control module, the optical mirror blank is first inspected to ensure that there is no obvious defect, the optical mirror blank is installed between the two clamping plates 23 to ensure firm installation and accurate position, the hydraulic rod at the end of the adjusting arm 13 is extended and retracted through driving, the power box 14 drives the grinding disc 15 to rotate, the grinding disc 15 and the surface of the mirror are rubbed and slid through the adjusting arm 13, the mirror is ground, the mounting plate 16 is arranged at the bottom end of the mirror, the first connector 17 and the second connector 18 are arranged at the side end of the mounting plate 16, the first connector 17 is connected with the fan, the airflow generated by the fan is introduced into the inside of the cooling plate 19, the top end of the cooling plate 19 is designed as an inclined surface and is provided with a plurality of nozzles, the cooled airflow is blown to the bottom end of the mirror through the cooling plate 19, so as to prevent the mirror from being heated and deformed due to grinding.

[0031] Second step, while one end of the second joint 18 is connected to the power supply, and the other end of the second joint 18 is connected with the support plate 21, the bottom end of the support plate 21 is installed with a connecting wire, the current is transmitted to the preheating rod 22 through the second joint 18, the inside of the preheating rod 22 is heated by the resistance heating mode, the preheating rod 22 is heated, the mirror surface temperature is more uniform, the contact between the abrasive and the mirror surface is more stable in the grinding process, which helps to improve the uniformity of grinding and reduce the unevenness of surface roughness, at the same time, the side end of the base 11 is rotatably installed with a rotating shaft 24, the rotating shaft 24 is rotatably connected with the rotating seat 12, and the rotating seat 12 is installed with a hydraulic rod between the adjusting arm 13, the movement of the adjusting arm 13 is pushed, the adjusting arm 13 is rotated through the rotating seat 12, and the deflection angle of the grinding disc 15 on the mirror surface is driven, the mirror surface can be planar processed or curved surface processed.

[0032] Finally, it should be noted that: obviously, the above examples are only examples for clearly illustrating the utility model, and are not limited to the implementation mode. For ordinary skilled in the art, on the basis of the above description, other different forms of changes or variations can also be made. Here, it is not necessary and impossible to enumerate all the implementation modes. The obvious changes or variations derived therefrom are still within the protection scope of the utility model.

Claims

1. A grinding robot for optical mirrors, comprising a base (11) and a rotating base (12), characterized in that: A mounting plate (16) is fixedly mounted inside the base (11), two cooling plates (19) are fixedly mounted on the top of the mounting plate (16), two support plates (21) are fixedly mounted on the top of the mounting plate (16), two preheating rods (22) are fixedly mounted on the top of each support plate (21), a first joint (17) is fixedly mounted on the side end of the mounting plate (16), and a second joint (18) is fixedly mounted on the side end of the mounting plate (16).

2. The optical mirror polishing robot according to claim 1, wherein: A rotating shaft (24) is rotatably mounted on the side end of the base (11), and two clamping plates (23) are slidably mounted on the inner side of the base (11).

3. The optical mirror polishing robot according to claim 1, wherein: An adjustment arm (13) is slidably mounted on the top end of the rotating seat (12).

4. The optical mirror polishing robot according to claim 3, wherein: A power box (14) is fixedly mounted on the bottom end of the adjustment arm (13), and a grinding disc (15) is rotatably mounted on the bottom end of the power box (14).

5. The optical mirror polishing robot according to claim 2, wherein: The splint (23) is of split design and can be opened and closed. The splint (23) is driven to move inside the base (11) by a hydraulic rod.

6. The optical mirror polishing robot according to claim 1, wherein: A motor is installed inside the base (11), and an output end of the motor is connected to the rotating shaft (24).