Coating apparatus for optical lenses

By designing the base, housing, and positioning components of the coating device for optical lenses, and combining electric and hydraulic push rods, stable positioning and flipping of the lenses are achieved, solving the lens offset problem and improving coating quality and efficiency.

CN117626212BActive Publication Date: 2026-05-08ZHONGSHAN BEIFANG JINGHUA PRECISION OPTICS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
ZHONGSHAN BEIFANG JINGHUA PRECISION OPTICS CO LTD
Filing Date
2023-12-26
Publication Date
2026-05-08

AI Technical Summary

Technical Problem

Existing coating equipment cannot effectively fix and protect lenses, causing lenses to shift during the coating process, which affects the yield and coating efficiency.

Method used

The structure consists of a base, housing, mounting frame, and positioning components. Combined with electric and hydraulic push rods, it achieves stable positioning and flipping of the lens. A fan blows away dust, improving coating quality and efficiency.

Benefits of technology

It effectively prevents the lens from shifting during the coating process, improves the coating quality, and can quickly flip the lens for reverse coating, thus improving coating efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN117626212B_ABST
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Abstract

The application discloses a coating device for optical lenses and belongs to the technical field of lens processing. The device comprises a base, a housing and a coating machine installed on the top of the base. The coating machine is movably installed on the top of the inner cavity of the housing through a hydraulic push rod. Guide grooves are formed in the inner walls of the base. An installation frame is slidably connected to the inner walls of the guide grooves. An assembly frame for assembling lenses is arranged in the installation frame. The assembly frame is rotatably connected to the installation frame through a connecting frame. Positioning assemblies for fixing lenses are arranged on the two sides of the assembly frame. The clamping arc plates of the positioning assemblies are movably connected to the assembly frame. A fan for blowing dust from lenses is connected to the inner walls of the housing. The device can conveniently position lenses, prevent lenses from deviating during the coating process, further improve the coating quality, and turn over the lenses. The device can quickly coat the back of the lenses and improve the coating efficiency.
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Description

Technical Field

[0001] This invention relates to the field of lens processing technology, specifically to a coating apparatus for optical lenses. Background Technology

[0002] There are many ways to classify lenses, and optical lenses are just one of them. They are mainly composed of glass and resin and are mostly used in eyeglasses and microscopes. In the production process of optical lenses, in order to improve the service life of optical lenses, they need to be coated after processing. However, the existing coating equipment cannot effectively fix and protect the lenses, causing the lenses to shift during the coating process, affecting the yield. Furthermore, when coating the other side of the lens, it is necessary to reposition the lens for coating, which affects the coating efficiency.

[0003] As disclosed in the prior art, Chinese invention publication number CN219568043U discloses a coating device for optical lens production. This invention fixes the lens with two sets of clamping devices, and then performs coating. After the front side is coated, a rotating motor is started. The rotating motor drives the rotating column to rotate the clamping device to achieve rotation of the back side of the lens, thereby further coating the back side of the lens.

[0004] As can be seen from the above-mentioned coating apparatus for optical lens production, the existing technology has the disadvantages of not being able to effectively fix and protect the lens, which causes the lens to shift during the coating process, affecting the coating quality, and not being able to quickly coat the other side of the lens, affecting the coating efficiency. Therefore, we need to propose a coating apparatus for optical lenses. Summary of the Invention

[0005] The purpose of this invention is to provide a coating apparatus for optical lenses, which can conveniently position the lens, prevent the lens from shifting during the coating process, further improve the coating quality, and can flip the lens to quickly coat the reverse side of the lens, thereby improving the coating efficiency and solving the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides: a coating apparatus for optical lenses, comprising a base, a housing and a coating machine mounted on top of the base; the coating machine is movably mounted on the top of the inner cavity of the housing via a hydraulic push rod; guide grooves are provided on both sides of the inner wall of the base, and a mounting frame is slidably connected to the inner wall of the guide grooves; an assembly frame for assembling lenses is provided inside the mounting frame; the assembly frame is rotatably connected to the mounting frame via a connecting bracket; positioning components for fixing lenses are provided on both sides of the assembly frame; the clamping arc plate of the positioning components is movably connected to the assembly frame; a fan for blowing dust off the lenses is connected to the inner wall of the housing; and a base plate is connected to the bottom of the inner cavity of the base via an electric push rod.

[0007] Preferably, the positioning component includes: a guide rod connected to the surface of the clamping arc plate, and a baffle connected to the end of the guide rod; wherein, the surface of the guide rod is slidably connected to an assembly frame, the two sides of the assembly frame are connected to limit guide rods, and the baffle is slidably connected to the surface of the limit guide rods.

[0008] Preferably, a compression spring is sleeved on the surface of the limiting guide rod, and one end of the compression spring is connected to the surface of the baffle.

[0009] Preferably, the two ends of the connecting frame are connected to positioning shafts, the positioning shafts are rotatably connected to the inner wall of the mounting frame, and the ends of the positioning shafts are connected to connecting gears.

[0010] Preferably, a stepper motor is connected to the inner wall of the base, and the output end of the stepper motor is connected to a gear through gear transmission. Guide blocks are connected to both sides of the mounting frame.

[0011] Preferably, the guide block is slidably connected to the inner wall of the guide groove, the inner wall of the base is connected to an electric telescopic rod, and the extended end of the electric telescopic rod is connected to one side of the mounting frame.

[0012] Preferably, the extended end of the electric push rod is connected to the bottom of the base plate, and the two sides of the electric push rod and the inner wall of the base are connected to the limiting guides, and the two sides of the base plate are slidably connected to the surfaces of the limiting guides.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] This invention utilizes a structure comprising a housing, a base plate, a mounting frame, an assembly frame, and positioning components. An extended electric telescopic rod allows the mounting frame to move outward in conjunction with a guide block, facilitating lens assembly within the assembly frame. An extended electric push rod moves the base plate upward across the surface of a limiting guide, pressing it against the bottom of the mounting frame to limit its position and facilitate lens placement. A compression spring on the limiting guide rod acts on a baffle, clamping the lens on both sides for effective lens positioning. A hydraulic push rod mounted on the top of the housing allows for height adjustment of the coating machine, facilitating coating operations. Furthermore, when coating the reverse side of the lens is required, the electric push rod retracts the base plate, and a stepper motor drives a connecting gear, rotating the assembly frame to flip the clamped lens for reverse coating, further improving coating efficiency. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0016] Figure 2 This is a schematic diagram of the internal structure of the housing of the present invention;

[0017] Figure 3 This is a schematic diagram of the mounting frame structure of the present invention;

[0018] Figure 4 This is a schematic diagram of the base plate structure of the present invention;

[0019] Figure 5 This is a schematic diagram of the assembly frame structure of the present invention.

[0020] In the diagram: 1. Base; 2. Housing; 3. Hydraulic push rod; 4. Coating machine; 5. Fan; 6. Guide groove; 7. Electric push rod; 8. Limiting guide frame; 9. Base plate; 10. Stepper motor; 11. Mounting frame; 12. Guide block; 13. Electric telescopic rod; 14. Assembly frame; 15. Connecting frame; 16. Positioning shaft; 17. Connecting gear; 18. Limiting guide rod; 19. Baffle; 20. Guide rod; 21. Clamping arc plate; 22. Compression spring. Detailed Implementation

[0021] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0022] Please see Figure 1-5 This invention provides: a coating device for optical lenses, including a base 1, a housing 2 and a coating machine 4 mounted on top of the base 1; the coating machine 4 is movably mounted on the top of the inner cavity of the housing 2 via a hydraulic push rod 3; guide grooves 6 are provided on both sides of the inner wall of the base 1, and an installation frame 11 is slidably connected to the inner wall of the guide grooves 6; an assembly frame 14 for assembling lenses is provided inside the installation frame 11, and the assembly frame 14 is rotatably connected to the installation frame 11 via a connecting bracket 15; positioning components for fixing lenses are provided on both sides of the assembly frame 14, and the clamping arc plate 21 of the positioning components is movably connected to the assembly frame 14; a fan 5 for blowing dust off the lenses is connected to the inner wall of the housing 2, and a base plate 9 is connected to the bottom of the inner cavity of the base 1 via an electric push rod 7.

[0023] It is worth noting that the structure of housing 2, base plate 9, mounting frame 11, assembly frame 14, and positioning components allows for convenient positioning of the lens, preventing it from shifting during the coating process, thus improving the coating quality. Furthermore, the lens can be flipped over, enabling rapid coating of the reverse side of the lens and increasing coating efficiency.

[0024] Specifically, the positioning assembly includes a guide rod 20 connected to the surface of the clamping arc plate 21, and a baffle 19 connected to the end of the guide rod 20. The surface of the guide rod 20 is slidably connected to the assembly frame 14, and limit guide rods 18 are connected to both sides of the assembly frame 14. The baffle 19 is slidably connected to the surface of the limit guide rods 18. A compression spring 22 is sleeved on the surface of the limit guide rods 18, and one end of the compression spring 22 is connected to the surface of the baffle 19.

[0025] Furthermore, the assembly frame 14 is the area for assembling the lens, which facilitates coating with the coating machine 4. The clamping arc plate 21 is a component for positioning the lens. The guide rod 20 is a guiding and limiting structure for the movement of the clamping arc plate 21. The baffle 19 is a component that cooperates with the compression spring 22 to ensure that the clamping arc plate 21 maintains the stability of clamping the lens. The limiting guide rod 18 is a structure for assembling the compression spring 22, and at the same time plays a limiting and guiding role for the baffle 19.

[0026] Positioning shafts 16 are connected to both ends of the connecting frame 15. The positioning shafts 16 are rotatably connected to the inner wall of the mounting frame 11, and a connecting gear 17 is connected to the end of the positioning shafts 16. A stepper motor 10 is connected to the inner wall of the base 1. The output end of the stepper motor 10 is connected to the connecting gear 17 through gear transmission. Guide blocks 12 are connected to both sides of the mounting frame 11. The guide blocks 12 are slidably connected to the inner wall of the guide groove 6. An electric telescopic rod 13 is connected to the inner wall of the base 1. The extended end of the electric telescopic rod 13 is connected to one side of the mounting frame 11.

[0027] The connecting frame 15 is a component that connects to the assembly frame 14. The positioning shaft 16 is a structure that rotatably connects to the mounting frame 11. The connecting gear 17 is a component that works with the stepper motor 10 to transmit power. The connecting frame 15 flips the assembly frame 14 connected to it, making it convenient to perform coating operations on the reverse side of the lens. The electric telescopic rod 13 is a structure that pushes the mounting frame 11, making it convenient to load and unload the lens and improve work efficiency.

[0028] Furthermore, the extended end of the electric push rod 7 is connected to the bottom of the base plate 9, and the two sides of the electric push rod 7, located on the inner wall of the base 1, are connected to the limiting guide frame 8. The two sides of the base plate 9 are slidably connected to the surface of the limiting guide frame 8. The electric push rod 7 is a component for raising and lowering the base plate 9. Together with the mounting frame 11, it can further improve the stability of the lens coating and effectively prevent displacement. The limiting guide frame 8 is a structure that guides the base plate 9 when it moves.

[0029] The extension of the electric telescopic rod 13 allows the mounting frame 11 to move outward in conjunction with the guide block 12, facilitating the assembly of the lens within the mounting frame 14. The extension of the electric push rod 7 moves the base plate 9 upward on the surface of the limiting guide 8, pressing it against the bottom of the mounting frame 11 to limit the mounting frame 14 and facilitate lens placement. The compression spring 22 fitted on the surface of the limiting guide rod 18 acts on the baffle 19, clamping the clamping arc plate 21 on both sides of the lens, achieving lens positioning. The hydraulic push rod 3 installed on the top of the housing 2 allows for height adjustment of the coating machine 4, facilitating coating operations. Simultaneously, when coating the reverse side of the lens is required, the electric push rod 7 retracts the base plate 9, and the stepper motor 10 drives the connecting gear 17 to rotate the mounting frame 14, thereby flipping the clamped lens for reverse coating, further improving coating efficiency.

[0030] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A coating apparatus for optical lenses, characterized in that, include: The base (1) and the housing (2) and coating machine (4) mounted on top of the base (1); The coating machine (4) is movably mounted on the top of the inner cavity of the housing (2) via a hydraulic push rod (3). The inner walls of the base (1) are provided with guide grooves (6) on both sides. The inner walls of the guide grooves (6) are slidably connected to the mounting frame (11). The mounting frame (11) is provided with an assembly frame (14) for assembling lenses. The assembly frame (14) is rotatably connected to the mounting frame (11) via a connecting frame (15). The two sides of the assembly frame (14) are provided with positioning components for fixing the lenses. The clamping arc plate (21) of the positioning components is movably connected to the assembly frame (14). The positioning assembly includes: a guide rod (20) connected to the surface of the clamping arc plate (21), and a baffle (19) connected to the end of the guide rod (20); wherein, the surface of the guide rod (20) is slidably connected to the assembly frame (14), the two sides of the assembly frame (14) are connected to the limiting guide rods (18), and the baffle (19) is slidably connected to the surface of the limiting guide rods (18); The inner wall of the housing (2) is connected to a blower (5) for blowing dust off the lens, and the bottom of the inner cavity of the base (1) is connected to a base plate (9) via an electric push rod (7). A compression spring (22) is sleeved on the surface of the limiting guide rod (18), and one end of the compression spring (22) is connected to the surface of the baffle (19); The inner wall of the base (1) is connected to an electric telescopic rod (13), and the extended end of the electric telescopic rod (13) is connected to one side of the mounting frame (11). The extended end of the electric push rod (7) is connected to the bottom of the base plate (9).

2. The coating apparatus for optical lenses according to claim 1, characterized in that: The two ends of the connecting frame (15) are connected to positioning shafts (16), which are rotatably connected to the inner wall of the mounting frame (11). The end of the positioning shaft (16) is connected to a connecting gear (17).

3. The coating apparatus for optical lenses according to claim 2, characterized in that: The inner wall of the base (1) is connected to a stepper motor (10), and the output end of the stepper motor (10) is connected to a connecting gear (17) through gear transmission. Guide blocks (12) are connected to both sides of the mounting frame (11).

4. The coating apparatus for optical lenses according to claim 3, characterized in that: The guide block (12) is slidably connected to the inner wall of the guide groove (6).

5. The coating apparatus for optical lenses according to claim 1, characterized in that: The electric push rod (7) is connected to the limit guide (8) on both sides and on the inner wall of the base (1), and the surfaces of the limit guide (8) are slidably connected to both sides of the base plate (9).

Citation Information

Patent Citations

  • Coating device for optical lens production

    CN219568043U

  • Coating device for optical lens

    CN221701625U