Lens surface roughness online detection device

Abstract

The utility model relates to the technical field of optics, and discloses a lens surface roughness on-line detection device, which comprises a rectangular substrate; the driving structures are symmetrically and fixedly connected to the two sides of the base plate, each driving structure is composed of a hollow rectangular box with the top open and a worm, the fixing structures are arranged on the wall face of the base plate and used for fixing the position of a lens, each fixing structure comprises a lens containing plate, a through pipe, a suction pipe and an exhaust fan, and the lens containing plate is fixedly connected to the top of the base plate; the through pipe is fixedly connected to the bottom of the base plate, the suction pipe is fixedly connected to the bottom of the through pipe, the exhaust fan is installed at the bottom of the base plate, a lens can be placed on the top of the lens placing plate, the lens placing plate is made of rubber, and the fixing structure fixes the lens to the top of the lens placing plate through adsorption force generated when the exhaust fan sucks air for detection. In the process, the lens is placed and the sliding plate slides, and the problem that the lens is damaged in the fixing process is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of optics, concretely relates to a lens surface roughness on -line detection device. BACKGROUND

[0002] Optical lens surface roughness detection is the key technology for evaluating the microscopic geometric characteristics of the lens surface, and its purpose is to measure the roughness of the lens surface and ensure that the performance of the optical element meets the design requirements.

[0003] When the conventional lens is detected, it needs to be fixed, and the fixing method is basically clamping, and the clamping not only needs to be manually connected during clamping, but also has the probability of damaging the lens when clamped.

[0004] Therefore, the utility model is provided. UTILITY MODEL CONTENT

[0005] To solve the above technical problems, the basic idea of the technical scheme of the utility model is:

[0006] A lens surface roughness on-line detection device, comprising:

[0007] The base plate is a rectangular plate.

[0008] The driving structure is symmetrically fixedly connected to the two sides of the base plate, and is composed of a hollow rectangular box with an open top and a worm. One side of the driving structure is fixedly connected with a motor for driving the worm of the driving structure. The cavity of the rectangular box of the driving structure is slidably connected with a bracket in the form of a gantry. The bottom of the bracket is slidably connected with the rectangular box cavity of the driving structure on both sides. The worm of the driving structure with a motor can pass through the wall surface of the bracket and be threadedly connected with the bracket. The worm of the other side of the driving structure can also pass through the wall surface of the bracket. The bottom of the bracket is fixedly connected with a detector.

[0009] The fixing structure is arranged on the wall surface of the base plate for fixing the position of the lens. The fixing structure comprises a lens plate, a through pipe, a suction pipe and a suction fan. The lens plate is fixedly connected to the top of the base plate. The through pipe is fixedly connected to the bottom of the base plate. The suction pipe is fixedly connected to the bottom of the through pipe. The suction fan is installed at the bottom of the base plate. The top of the lens plate can place the lens. The material of the lens plate is rubber.

[0010] As a preferred embodiment of the utility model, a rectangular opening is provided through the top of the base plate. The lens plate is located in the rectangular opening on the top of the base plate. The lens plate is rectangular. A plurality of same circular holes are uniformly provided on the top of the lens plate.

[0011] As an optimal implementation form of the utility model, the through pipe is a rectangular pipe with a gradually narrowed bottom opening, the through pipe top opening can be communicated with the base plate opening, the suction pipe is a hollow rectangular box, the suction pipe top can be communicated with the through pipe bottom, a rectangular slot is arranged on the rear wall surface of the suction pipe, the front wall surface suction port of the suction fan can be communicated with the rectangular slot on the rear wall surface of the suction pipe, a support is arranged on the bottom of the suction fan, and the support on the bottom of the suction fan is fixedly connected with the bottom of the base plate.

[0012] As an optimal implementation form of the utility model, the fixing structure further comprises a frame preventing moving and a filter plate, the frame preventing moving is fixedly connected on the top of the base plate, and the filter plate is clamped on the wall surface of the suction pipe.

[0013] As an optimal implementation form of the utility model, the frame preventing moving is a rectangular frame, the placing plate is located in the cavity of the frame preventing moving, a rectangular slot is arranged on the front wall surface of the suction pipe, the filter plate can be inserted into the rectangular slot on the front wall surface of the suction pipe, and the filter plate is a rectangular plate with a plurality of round holes arranged on the top.

[0014] As an optimal implementation form of the utility model, the top of the base plate is provided with a dustproof structure, the dustproof structure comprises a dustproof frame, a rail limiting, a block limiting, a sliding plate and a rail clamping, the dustproof frame is fixedly connected on the top of the base plate, the rail limiting is fixedly connected on the top of the dustproof frame in a symmetrical mode, the block limiting is fixedly connected on the two sides of the rear wall surface of the dustproof frame in a symmetrical mode, the sliding plate is slidingly connected on the top of the dustproof frame, and the rail clamping is fixedly connected on the two sides of the sliding plate in a symmetrical mode.

[0015] As an optimal implementation form of the utility model, the dustproof frame is a rectangular tubular shell, the support is located in the cavity of the dustproof frame, the rail limiting is a rectangular rod, the block limiting is a rectangular block, the sliding plate is a rectangular plate, the rail clamping is a rod with a shape of a Chinese character 'fang', the opening of the wall surface of the rail clamping can be clamped with the rail limiting, the rectangular block fixedly connected on the bottom of the front wall surface of the rail clamping is flush with the block limiting, and all the materials of the dustproof structure are transparent acrylic.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] 1. The lens is fixed on the top of the placing plate by the adsorption of the suction fan for detection, and the lens is not damaged during the fixing.

[0018] 2. The dustproof structure can prevent dust from adhering to the lens surface and affecting detection, and can prevent dust from existing in the cavity of the frame preventing moving by the suction mode before detection.

[0019] The specific implementation manners of the utility model will be further described in detail in combination with the drawings. DRAWINGS

[0020] In the drawings:

[0021] Figure 1 It is the perspective view of the utility model;

[0022] Figure 2 It is the dismounting view of the dustproof frame and the base plate of the utility model;

[0023] Figure 3 It is the exploded view of the slide plate and the dustproof frame of the utility model;

[0024] Figure 4 It is the perspective view of the base plate bottom structure of the utility model;

[0025] Figure 5 It is the exploded view of the through pipe and the base plate of the utility model.

[0026] In the drawings: 20, base plate; 21, drive structure; 22, support; 23, detector; 30, placing plate; 31, anti-moving frame; 32, through pipe; 33, pumping pipe; 34, air extractor; 35, filter plate; 40, dustproof frame; 41, rail limiter; 42, limit block; 43, slide plate; 44, rail clamping. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and the following embodiments are used to illustrate the utility model.

[0028] As Figure 1 and Figure 2 shown, a lens surface roughness online detection device comprises a base plate 20, the base plate 20 is rectangular plate;

[0029] drive structure 21, drive structure 21 is fixedly connected on both sides of the base plate 20 symmetrically, drive structure 21 is composed of hollow rectangular box with top opening and worm, and the front wall surface of one side drive structure 21 is fixedly connected with motor for driving the worm of drive structure 21, the cavity of the rectangular box of drive structure 21 is slidably connected with support 22, the support 22 is in the form of portal frame, the bottom of the support 22 is slidably connected with the cavity of the rectangular box of both sides drive structure 21, the worm of drive structure 21 with motor can pass through the wall surface of support 22 and is screwedly connected with support 22, the worm of the other side drive structure 21 can also pass through the wall surface of support 22, the bottom of the support 22 is fixedly connected with detector 23, the motor is electrically connected with power supply, the detector 23 is the stylus type profilometer in the prior art, this is the prior art, so here is not described.

[0030] As Figure 1 , Figure 2 , Figure 3 , Figure 4 andFigure 5 As shown, a fixing structure is installed on the wall of the substrate 20 to fix the position of the lens. The fixing structure includes: a lens placement plate 30, a through pipe 32, a suction pipe 33, and a fan 34. The lens placement plate 30 is fixedly connected to the top of the substrate 20, the through pipe 32 is fixedly connected to the bottom of the substrate 20, the suction pipe 33 is fixedly connected to the bottom of the through pipe 32, and the fan 34 is installed at the bottom of the substrate 20. The top of the lens placement plate 30 can hold the lens, and the lens placement plate 30 is made of rubber.

[0031] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, a rectangular opening is formed through the top of the substrate 20. The plate 30 is located inside the rectangular opening at the top of the substrate 20. The plate 30 is rectangular in shape, and multiple identical circular holes are evenly distributed on its top. The through pipe 32 is a rectangular tube that tapers towards the bottom. The top opening of the through pipe 32 can communicate with the opening of the substrate 20. The extraction pipe 33 is a hollow rectangular box. The top of the extraction pipe 33 can communicate with the bottom of the through pipe 32. A rectangular slot is formed on the rear wall of the extraction pipe 33. The exhaust port on the front wall of the exhaust fan 34 can communicate with the rectangular slot on the rear wall of the extraction pipe 33. A bracket is installed at the bottom of the exhaust fan 34. The bracket at the bottom of the exhaust fan 34 is fixedly connected to the bottom of the substrate 20. The fixing structure also includes an anti-shift frame 31 and a filter plate 35. The anti-shift frame 31 is fixedly connected to the top of the substrate 20. The filter plate 35 is snapped onto the wall of the tube 33. The anti-shift frame 31 is rectangular. The plate 30 is located in the cavity of the anti-shift frame 31. The front wall of the tube 33 is provided with a matching filter plate 35 that is snapped into a rectangular groove. The filter plate 35 can be inserted into the rectangular groove on the front wall of the tube 33. The filter plate 35 is a rectangular plate with multiple round holes on the top. The top of the substrate 20 is provided with a dustproof structure, which includes a dustproof frame 40, a limiting rail 41, a limiting block 42, a sliding plate 43, and a retaining rail 44. The dustproof frame 40 is fixedly connected to the top of the substrate 20. The limiting rail 41 is symmetrically fixedly connected to the top of the dustproof frame 40. The limiting block 42 is symmetrically fixedly connected to both sides of the rear wall of the dustproof frame 40. The sliding plate 43 is slidably connected to the top of the dustproof frame 40. The retaining rail 44 is symmetrically fixedly connected to both sides of the sliding plate 43.

[0032] In specific use, first start the power of the suction fan 34, the suction fan 34 will be sucked in the cavity of the suction pipe 33 when the power is turned on, and the through pipe 32 will be synchronously sucked when the suction pipe 33 is sucked by the suction fan 34, then the air in the cavity of the dustproof frame 40 will also be sucked towards the suction fan 34, slide the slide plate 43 back after the suction fan 34 is started for several seconds, at this time, the lens to be detected is placed on the top of the lens placing plate 30, then slide the slide plate 43 back to the state of shielding the top of the dustproof frame 40, when the lens is placed on the top of the lens placing plate 30, the suction force transmitted through the wall hole of the lens placing plate 30 will adsorb the lens on the top of the lens placing plate 30, then start the power of the motor, the motor will drive the worm of the driving structure 21, with the rotation of the worm, the support 22 will be driven to move forward by the screw thread of the rotating worm, with the movement of the support 22, the detector 23 will scan the roughness above the lens;

[0033] In summary, by setting the fixed structure, the lens is fixed on the top of the lens placing plate 30 by the adsorption force of the suction fan 34 for detection, this process can place the lens and slide the slide plate 43, and the lens will not be damaged during fixing.

[0034] As shown in Figure 2 and Figure 3 , the dustproof frame 40 is a rectangular tubular shell, the support 22 is located in the cavity of the dustproof frame 40, the limit rail 41 is a rectangular rod, the limit block 42 is a rectangular block, the slide plate 43 is a rectangular plate, the clamping rail 44 is a rod with a shape of a Chinese character, the opening of the wall surface of the clamping rail 44 can be clamped with the limit rail 41, the rectangular block fixedly connected to the bottom of the front wall surface of the clamping rail 44 is flush with the limit block 42, and all materials of the dustproof structure are transparent acrylic;

[0035] In specific use, the suction fan 34 will suck in the cavity of the suction pipe 33 when the power is turned on, and the through pipe 32 will be synchronously sucked when the suction pipe 33 is sucked by the suction fan 34, then the air in the cavity of the dustproof frame 40 will also be sucked towards the suction fan 34, the dust in the cavity of the dustproof frame 40 will be sucked towards the suction fan 34, the dust will be filtered by the filter plate 35 when it is sucked into the cavity of the suction pipe 33, the filter plate 35 can be taken off from the wall surface of the suction pipe 33 when it is needed to be cleaned, and the filter plate 35 can be clamped in the cavity of the suction pipe 33 after cleaning, when the slide plate 43 is slid, the slide plate 43 will drive the clamping rail 44 to slide along the wall surface of the limit rail 41, and the rectangular block at the bottom of the rear wall surface of the clamping rail 44 is also fixedly connected to the front wall surface of the limit block 42, which means that the slide plate 43 cannot be slid, and the same rectangular block is also fixedly connected to the bottom of the rear wall surface of the clamping rail 44;

[0036] In summary, by setting the dustproof structure, not only can the dust adhered to the surface of the lens be prevented from affecting the detection, but also the dust in the cavity of the dustproof frame 40 can be prevented from existing before detection by the way of suction.

[0037] Working principle: first start the power of the suction fan 34, the suction fan 34 will be on the power on the cavity of the suction pipe 33 to carry out the suction, and in the suction pipe 33 is sucked by the suction fan 34, the pipe 32 will be synchronized to be sucked, then the air in the cavity of the dustproof frame 40 will also be sucked towards the suction fan 34, after the suction fan 34 starts for a few seconds, slide the slide plate 43 back, at this time, the required detection lens is placed on the top of the placing plate 30, then the slide plate 43 is slid back to the state of shielding the top of the dustproof frame 40, and when the lens is placed on the top of the placing plate 30, the suction force of the wall hole of the placing plate 30 will adsorb the lens on the top of the placing plate 30, at this time, the power of the motor is started, the motor drives the worm of the driving structure 21, with the rotation of the worm, the support 22 is driven to move forward by the screw thread of the rotating worm, with the movement of the support 22, the detector 23 will drive the roughness scanning of the upper part of the lens, after the scanning is completed, the power of the suction fan 34 is turned off, then the slide plate 43 is slid to open the top of the dustproof frame 40, then the lens after detection is taken off.

[0038] It can be understood that the utility model is described through some embodiments, and those skilled in the art know that various changes or equivalent replacements can be made to these features and embodiments without departing from the spirit and scope of the utility model. In addition, under the guidance of the utility model, these features and embodiments can be modified to adapt to specific conditions and materials without departing from the spirit and scope of the utility model. Therefore, the utility model is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application belong to the scope protected by the utility model.

Claims

1. An on-line lens surface roughness detection device, characterized by, The utility model relates to a lens fixing device, including: The substrate (20) is rectangular board shape; The drive structure (21) is fixedly connected to both sides of the substrate (20) symmetrically, and the drive structure (21) is composed of a hollow rectangular box with an open top and a worm gear, the front wall of the drive structure (21) on one side is fixedly connected with a motor for driving the worm gear of the drive structure (21), a support (22) is slidably connected in the cavity of the rectangular box of the drive structure (21), the support (22) is in the shape of a gantry, the bottom of the support (22) is slidably connected in the cavity of the rectangular box of the drive structure (21) on both sides, the worm gear of the drive structure (21) with the motor can pass through the wall of the support (22) and be threadedly connected with the support (22), the worm gear of the drive structure (21) on the other side can also pass through the wall of the support (22), and the bottom of the support (22) is fixedly connected with a detector (23); The fixing structure is arranged on the wall of the substrate (20) and is used for fixing the position of the lens, and the fixing structure comprises a lens placing plate (30), a through pipe (32), a suction pipe (33) and a suction fan (34), the lens placing plate (30) is fixedly connected to the top of the substrate (20), the through pipe (32) is fixedly connected to the bottom of the substrate (20), the suction pipe (33) is fixedly connected to the bottom of the through pipe (32), the suction fan (34) is installed on the bottom of the substrate (20), the top of the lens placing plate (30) can place the lens, and the material of the lens placing plate (30) is rubber material.

2. The lens surface roughness on-line detection device according to claim 1, wherein, A rectangular opening is formed in the top of the substrate (20), the lens placing plate (30) is located in the rectangular opening in the top of the substrate (20), the lens placing plate (30) is in the shape of a rectangle, and a plurality of same circular holes are uniformly formed in the top of the lens placing plate (30).

3. The lens surface roughness on-line detection device according to claim 1, wherein, The through pipe (32) is a rectangular pipe with an open top tapering, the top opening of the through pipe (32) can be in communication with the opening of the substrate (20), the suction pipe (33) is a hollow rectangular box, the top of the suction pipe (33) can be in communication with the bottom of the through pipe (32), a rectangular notch is formed in the rear wall of the suction pipe (33), the air suction opening of the front wall of the suction fan (34) can be in communication with the rectangular notch in the rear wall of the suction pipe (33), a support is installed on the bottom of the suction fan (34), and the support on the bottom of the suction fan (34) is fixedly connected to the bottom of the substrate (20).

4. The lens surface roughness on-line detection device according to claim 1, characterized in that, The fixing structure further comprises a shift prevention frame (31) and a filter plate (35), the shift prevention frame (31) is fixedly connected to the top of the substrate (20), and the filter plate (35) is clamped on the wall of the suction pipe (33).

5. The lens surface roughness on-line inspection device of claim 4, wherein, The shift prevention frame (31) is in the shape of a rectangular frame, the lens placing plate (30) is located in the cavity of the shift prevention frame (31), a rectangular slot is formed in the front wall of the suction pipe (33) to adapt to the clamping of the filter plate (35), the filter plate (35) can be inserted into the rectangular slot in the front wall of the suction pipe (33), and the filter plate (35) is in the shape of a rectangular plate with a plurality of circular holes formed in the top.

6. The lens surface roughness on-line inspection device of claim 1, wherein, The top of the substrate (20) is provided with a dustproof structure, which comprises a dustproof frame (40), a limiting rail (41), a limiting block (42), a sliding plate (43) and a clamping rail (44), the dustproof frame (40) is fixedly connected to the top of the substrate (20), the limiting rail (41) is symmetrically fixedly connected to the top of the dustproof frame (40), the limiting block (42) is symmetrically fixedly connected to the two sides of the rear wall of the dustproof frame (40), the sliding plate (43) is slidingly connected to the top of the dustproof frame (40), and the clamping rail (44) is symmetrically fixedly connected to the two sides of the sliding plate (43).

7. The lens surface roughness on-line inspection device of claim 6, wherein, The dustproof frame (40) is a rectangular tubular shell, the support (22) is located in the cavity of the dustproof frame (40), the limiting rail (41) is a rectangular rod, the limiting block (42) is a rectangular block, the sliding plate (43) is a rectangular plate, the clamping rail (44) is a rod with a character-shaped section, the opening of the wall of the clamping rail (44) can be clamped with the limiting rail (41), the bottom of the front wall of the clamping rail (44) is fixedly connected with a rectangular block, the rectangular block of the wall of the clamping rail (44) is flush with the limiting block (42), and all the materials of the dustproof structure are transparent acrylic.

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