A non-spherical polishing robot with clamping function

Abstract

The present invention discloses a non-spherical polishing robot with a clamping function, which relates to the field of non-spherical polishing. The present invention comprises a base and a workbench, wherein a clamping assembly is provided on the workbench, wherein the clamping assembly comprises a motor, wherein an electric cylinder is installed at the output end of the motor via a rotating shaft, wherein the output end of the electric cylinder is connected to a limit frame, wherein an air pump is installed in the workbench, wherein the air pump outlet end is connected to an air bag, and an exhaust valve is installed on the air bag. The present invention, through the arrangement of the clamping assembly, first places the lens to be polished on the air bag, then drives the limit frame to press the lens via the electric cylinder, and after the air pump is started, inflates the air bag so that the air bag expands and fits the curvature of the bottom of the lens, and then generates negative pressure via a vacuum source so that the lens is firmly attached to the air bag. At this time, the lens is clamped stably and the bottom support is stable, thereby reducing the influence of air pressure on the lens. The lens is clamped stably and there is no large cavity at the bottom of the lens, thereby facilitating support of the lens.

Description

Technical Field

[0001] The invention relates to the field of aspheric surface polishing, in particular to an aspheric surface polishing robot with a clamping function. Background Art

[0002] Aspheric lenses are a relatively important part of optical instruments. The surface curvature of aspheric lenses is different from that of ordinary spherical lenses, but their optical performance is better. When processing aspheric lenses, they need to be polished by a polishing device to reduce the surface roughness of the lenses.

[0003] A fixture for polishing aspheric mirrors with application number 202021842504.5 relates to the technical field of aspheric mirror processing. The present invention has the advantages of clamping the aspheric lens while fixing it through a vacuum suction cup, thereby improving the stability of the aspheric lens.

[0004] When polishing an aspheric lens, the device clamps the lens through a vacuum suction cup. Although the clamping is stable, it is not suitable for clamping some thinner aspheric lenses. This is mainly because the wall thickness of such aspheric lenses is relatively thin, resulting in relatively low structural strength. There is a large gap between the lens and the vacuum suction cup, so that a local area of the lens is not supported when subjected to downward pressure, which may cause the lens to crack or even break due to the influence of air pressure. Summary of the Invention

[0005] Based on this, the purpose of the present invention is to provide an aspheric polishing robot with a clamping function to solve the technical problem of inconvenience in clamping thinner aspheric lenses.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solution: an aspheric polishing robot with a clamping function, comprising a base and a workbench, a clamping assembly being provided on the workbench, the clamping assembly comprising a motor, an electric cylinder being installed at the output end of the motor through a rotating shaft, the output end of the electric cylinder being connected to a limiting frame, an air pump being installed in the workbench, an air outlet end of the air pump being connected to an airbag, and an exhaust valve being installed on the airbag.

[0007] By adopting the above technical solution, the lens to be polished is placed on the airbag, and then the electric cylinder drives the limit frame to press the lens. After the air pump is started, air is inflated into the airbag to expand the airbag to fit the curvature of the bottom of the lens. Then, negative pressure is generated by the vacuum source to make the lens firmly attached to the airbag. At this time, the lens is clamped stably and the bottom support is stable.

[0008] Furthermore, a robotic arm is installed on the base, a polishing head is connected to the robotic arm, a turntable is installed on the base, and the workbench is connected to the turntable.

[0009] By adopting the above technical solution, after the robotic arm is started, it drives the polishing head to move and fit the lens, and then the polishing head is driven by the robotic arm to rotate to start polishing the lens. At the same time, the turntable can rotate the lens for easy and comprehensive polishing.

[0010] Furthermore, a vacuum device is installed on the workbench, the air inlet end of the vacuum device is connected to an exhaust valve, the exhaust valve is connected to an exhaust pipe, the exhaust pipe is connected to an air intake valve, and the air intake valve is connected to an air intake pipe.

[0011] By adopting the above technical solution, the vacuum device cooperates with the exhaust valve to generate negative pressure to make the lens firmly attached to the air bag. After polishing is completed, the staff opens the air inlet valve. After the air inlet valve is closed, air is inhaled to destroy the negative pressure, making it easier for the staff to remove the lens.

[0012] Furthermore, the top of the airbag has a curvature and is provided with a through hole.

[0013] By adopting the above technical solution, the lens to be polished is placed on the airbag, and then the electric cylinder drives the limit frame to press the lens. After the air pump is started, air is inflated into the airbag so that the airbag expands and fits the curvature of the bottom of the lens.

[0014] Furthermore, the electric cylinder is movably connected to the workbench, and one side of the bottom of the limit frame is made of rubber material.

[0015] By adopting the above technical solution, the electric cylinder drives the limit frame to press the lens. After the air pump is started, air is inflated into the airbag to expand the airbag to fit the curvature of the bottom of the lens. Then, negative pressure is generated by the vacuum source to make the lens firmly attached to the airbag.

[0016] Furthermore, the exhaust pipe is in an inverted "T" shape.

[0017] By adopting the above technical solution, negative pressure is generated by the vacuum source to make the lens firmly attached to the airbag. At this time, the lens is clamped stably and the bottom support is stable, reducing the impact of air pressure on the lens. Then the electric cylinder drives the limit frame away from the lens.

[0018] Furthermore, the airbag is fixedly connected to the workbench, and two pipes are respectively connected between the airbag and the air pump and the exhaust valve.

[0019] By adopting the above technical solution, the electric cylinder drives the limit frame to press the lens. After the air pump is started, air is inflated into the airbag to expand the airbag to fit the curvature of the bottom of the lens. Then, negative pressure is generated by the vacuum source to make the lens firmly attached to the airbag.

[0020] Furthermore, a groove is provided on the workbench, and the limiting frame is movably connected to the groove on the workbench.

[0021] By adopting the above technical solution, negative pressure is generated by a vacuum source to make the lens firmly attached to the airbag, and then the electric cylinder drives the limit frame away from the lens, and then the motor drives the electric cylinder into the groove on the workbench, reducing the impact of the electric cylinder and the limit frame on the polishing work.

[0022] In summary, the present invention mainly has the following beneficial effects:

[0023] The present invention arranges a clamping assembly, firstly places the lens to be polished on the air bag, then drives the limit frame to press the lens through the electric cylinder, and after the air pump is started, inflates the air bag to make the air bag expand and fit the curvature of the bottom of the lens, and then generates negative pressure through the vacuum source to make the lens firmly attached to the air bag. At this time, the lens is clamped stably and the bottom support is stable, reducing the influence of the air pressure on the lens, and then the electric cylinder drives the limit frame away from the lens, and then the motor drives the electric cylinder into the groove on the workbench, reducing the influence of the electric cylinder and the limit frame on the polishing work, the clamping is stable and there is no large cavity at the bottom of the lens, which is convenient for supporting the lens. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic structural diagram of the polishing robot of the present invention;

[0025] Figure 2 Schematic diagram of the cross-sectional structure of the workbench of the present invention;

[0026] Figure 3 This is a schematic diagram of the structure of the limiting frame of the present invention when it is recovered;

[0027] Figure 4 Schematic diagram of the airbag structure of the present invention.

[0028] In the figure: 1. Base; 2. Robotic arm; 3. Polishing head; 4. Turntable; 5. Workbench; 6. Clamping assembly; 601. Motor; 602. Electric cylinder; 603. Limiting frame; 604. Air bag; 605. Air pump; 606. Exhaust valve; 7. Vacuum device; 8. Exhaust valve; 9. Exhaust pipe; 10. Inlet valve; 11. Inlet pipe. DETAILED DESCRIPTION

[0029] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be understood as limiting the present invention.

[0030] The following describes an embodiment of the present invention based on its overall structure.

[0031] A non-spherical polishing robot with a clamping function, such as Figure 1 、 2As shown in , 3 and 4 , it includes a base 1 and a workbench 5 , and a clamping assembly 6 is provided on the workbench 5 .

[0032] Specifically, the clamping assembly 6 includes a motor 601 installed on one side of the outer surface of the workbench 5, which is used to adjust the position of the limit frame 603. The output end of the motor 601 is installed with an electric cylinder 602 through a rotating shaft for clamping the lens. The output end of the electric cylinder 602 is connected to the limit frame 603 for clamping the lens. An air pump 605 for inflating the airbag 604 is installed on one side of the inside of the workbench 5. The air outlet end of the air pump 605 is connected to the airbag 604 for supporting the bottom of the lens through a pipe. The top of the airbag 604 has an arc, and a through hole is provided at the top of the airbag 604. The bottom of the airbag 604 is installed with an exhaust valve 606 through a pipe. The clamping is stable and there is no large cavity at the bottom of the lens, which is convenient for supporting the lens.

[0033] See Figure 1 、 2 and 3. In the above embodiment, a robotic arm 2 is installed on one side of the top of the base 1, one end of the robotic arm 2 is connected to a polishing head 3, a turntable 4 is installed on the other side of the top of the base 1, a workbench 5 is connected to the top of the turntable 4, a vacuum device 7 is installed below the workbench 5, an air inlet end of the vacuum device 7 is connected to an exhaust valve 8, one side of the exhaust valve 8 is connected to an exhaust pipe 9, the exhaust pipe 9 is in an inverted "T" shape, one side of the exhaust pipe 9 is connected to an air intake valve 10, and one side of the air intake valve 10 is connected to an air intake pipe 11, which facilitates the polishing of aspherical lenses.

[0034] See Figure 1 、 2 And 3. In the above embodiment, the electric cylinder 602 is movably connected to the workbench 5, and one side of the bottom of the limit frame 603 is made of rubber material. The airbag 604 is fixedly connected to the workbench 5 by gluing with strong glue. A groove is provided on the workbench 5, and the limit frame 603 is rotatably connected to the groove on the workbench 5, so the clamping is stable and there is no large cavity at the bottom of the lens.

[0035] The working principle of this embodiment is as follows: first, the staff places the lens to be polished on the air bag 604, then the electric cylinder 602 drives the limit frame 603 to press the lens, and after the air pump 605 is started, it inflates the air bag 604 so that the air bag 604 expands and fits the curvature of the bottom of the lens. Then, the vacuum device 7 cooperates with the air extraction valve 8 to generate negative pressure so that the lens is firmly attached to the air bag 604. Then, the electric cylinder 602 drives the limit frame 603 away from the lens. Then, the motor 601 drives the electric cylinder 602 into the groove on the workbench 5. At the same time, the electric cylinder 602 pulls the limit frame 603 back, reducing the impact of the electric cylinder 602 and the limit frame 603 on the polishing work.

[0036] Polishing: After the robot arm 2 is started, it drives the polishing head 3 to move and fit the lens. Then, the robot arm 2 drives the polishing head 3 to rotate and start polishing the lens. After polishing, the staff opens the air inlet valve 10 and the exhaust valve 606 to shrink the airbag 604 to facilitate the next lens fitting. After the air inlet valve 10 is opened, air is inhaled to break the negative pressure, making it easier for the staff to remove the lens.

[0037] Although an embodiment of the present invention has been shown and described, this specific embodiment is merely an explanation of the present invention and is not a limitation of the invention. The specific features, structures, materials or characteristics described may be combined in an appropriate manner in any one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions and variations to the embodiment without creative contribution as needed without departing from the principles and purpose of the present invention. However, as long as they are within the scope of the claims of the present invention, they are protected by patent law.

Claims

1. A non-spherical polishing robot with a clamping function, comprising a base (1) and a workbench (5), characterized in that: The workbench (5) is provided with a clamping assembly (6), the clamping assembly (6) comprising a motor (601), an electric cylinder (602) being mounted on the output end of the motor (601) via a rotating shaft, the output end of the electric cylinder (602) being connected to a limiting frame (603), an air pump (605) being mounted in the workbench (5), an air outlet end of the air pump (605) being connected to an air bag (604), an exhaust valve (606) being mounted on the air bag (604), and a through hole being mounted on the top of the air bag (604), a vacuum device (7) being mounted on the workbench (5), an air inlet end of the vacuum device (7) being connected to an air extraction valve (8), an air extraction pipe (9) being connected to the air extraction pipe (9), an air inlet valve (10), and an air inlet pipe (11) being connected to the air inlet valve (10).

2. The aspheric polishing robot with a clamping function according to claim 1, characterized in that: A mechanical arm (2) is mounted on the base (1), a polishing head (3) is connected to the mechanical arm (2), a turntable (4) is mounted on the base (1), and the workbench (5) is connected to the turntable (4).

3. The aspheric polishing robot with a clamping function according to claim 1, characterized in that: The top of the airbag (604) has a curvature.

4. The aspheric polishing robot with a clamping function according to claim 1, characterized in that: The electric cylinder (602) is movably connected to the workbench (5), and one side of the bottom of the limiting frame (603) is made of rubber material.

5. The aspheric polishing robot with a clamping function according to claim 1, characterized in that: The air extraction pipe (9) is in an inverted "T" shape.

6. The aspheric polishing robot with a clamping function according to claim 3, characterized in that: The air bag (604) is fixedly connected to the workbench (5), and two pipes are respectively connected between the air bag (604) and the air pump (605) and the exhaust valve (606).

7. The aspheric polishing robot with a clamping function according to claim 1, characterized in that: A groove is provided on the workbench (5), and the limiting frame (603) is movably connected to the groove on the workbench (5).

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