Lens thickness non-contact measuring device

Abstract

The invention relates to the technical field of visual inspection, and discloses a lens thickness non-contact measuring device which comprises a bottom plate, a fixed table and a measuring instrument, a clamping mechanism is arranged on the outer wall of the fixed table, a lifting table is fixedly connected to the top of the bottom plate, and a translation table is slidably connected to the left side of the top of the lifting table; a placement groove is formed in the bottom of the translation table, an adjusting mechanism is arranged on the top of the lifting table, and a lubricating mechanism is arranged on the inner wall of the placement groove; the clamping mechanism comprises a first displacement sensor, and the left side of the first displacement sensor is fixedly connected to the middle of the right side of the fixing table. According to the lens clamping device, the fixing block is installed on the outer wall of the fixing table, the electric telescopic rod is started to enable the air bag to be tightly attached to the lens, the air pump extracts compressed air to adjust the clamping force of the air bag, through dual monitoring of the pressure piece and the displacement sensor, precise clamping of lenses of different materials and thicknesses is achieved, and the safety of the device is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of visual detection, in particular to a lens thickness non-contact measuring device. BACKGROUND

[0002] Lens thickness is a key indicator of wearing comfort, appearance coordination and optical performance of glasses, and the thickness of the lens is affected by lens power, refractive index and optical design factors. Therefore, in order to accurately measure the lens thickness and avoid scratches on the lens surface caused by traditional contact measurement, people have developed a lens thickness non-contact measuring device.

[0003] As a professional device specially designed to accurately obtain lens thickness data, the core advantage of the lens thickness non-contact measuring device is that it can complete the measurement without direct contact with the lens surface. The device quickly locates and calculates the thickness value by capturing the optical signal on the lens surface, effectively avoiding scratches and indentations on the lens caused by the probe, and providing support for people to choose the appropriate frame.

[0004] Although the lens thickness non-contact measuring device further ensures the wearing comfort and optical performance of glasses, the clamping method and force of the clamp in the device cannot be accurately controlled, and the clamp is not designed with a buffer protection. When clamping the lens, it will scratch the lens surface. The existing solution is to use a torque transmission, which is coaxially connected with a transmission screw, so that the torque transmission mechanism cannot transmit power when the device exceeds the set torque, preventing the clamp jaw from exerting excessive force on the lens and damaging the lens. However, the set torque value of the torque transmission mechanism is difficult to accurately match the best clamping force requirement of lenses of different materials and thicknesses. For special lenses, the clamping force will be improper. SUMMARY

[0005] In order to make up for the above shortcomings, the present application provides a lens thickness non-contact measuring device, which aims to improve the problem that the torque transmission in the prior art cannot accurately match the best clamping force requirement of lenses of different materials and thicknesses.

[0006] In order to achieve the above purpose, the present application adopts the following technical scheme: a lens thickness non-contact measuring device, comprising a bottom plate, a fixed table and a measuring instrument, a clamping mechanism is arranged on the outer wall of the fixed table, a lifting table is fixedly connected to the top of the bottom plate, a translation table is slidably connected to the top left side of the lifting table, a mounting groove is arranged at the bottom of the translation table, an adjusting mechanism is arranged at the top of the lifting table, and a lubricating mechanism is arranged on the inner wall of the mounting groove.

[0007] The clamping mechanism includes a displacement sensor one, the left side of the displacement sensor one is fixedly connected to the right side of the middle of the fixed table, the front and back sides of the fixed table are fixedly connected with fixed blocks, the adjacent sides of the two fixed blocks are fixedly connected with electric telescopic rods, the adjacent sides of the two electric telescopic rods are fixedly connected with clamping blocks, the adjacent sides of the two clamping blocks are fixedly connected with air bags, the top right sides of the two air bags are fixedly connected with one-way valves 306, the top left sides of the two air bags are fixedly connected with micro deflation valves, the adjacent sides of the two air bags are fixedly connected with a plurality of pressure sheets, and the outer wall of the fixed table is provided with a mounting assembly, and the outer wall of the translation table is provided with a gas conveying assembly.

[0008] As a further description of the above technical solution:

[0009] The adjusting mechanism includes a servo motor, the top of the servo motor is fixedly connected to the inner wall top of the placement groove, the output end of the servo motor is fixedly connected with a shaft coupling, the rear end of the shaft coupling is fixedly connected with a gear, the top of the lifting table is provided with a moving groove, the inner wall bottom of the moving groove is fixedly connected with a rack, the right side of the translation table is fixedly connected with a displacement sensor two, and the top of the lifting table is provided with a guide assembly.

[0010] As a further description of the above technical solution:

[0011] The lubricating mechanism includes an oil tank, the outer wall of the oil tank is fixedly connected to the inner wall rear side of the placement groove, and the outer wall front end of the oil tank is fixedly connected with an oil brush.

[0012] As a further description of the above technical solution:

[0013] The mounting assembly includes a plurality of buckles, the opposite sides of the plurality of buckles are fixedly connected to the adjacent sides of the two fixed blocks, and the front and back sides of the fixed table are provided with two clamping grooves.

[0014] As a further description of the above technical solution:

[0015] The gas conveying assembly includes two gas tanks, the adjacent sides of the two gas tanks are fixedly connected to the front and back sides of the translation table, and the top ends of the two gas tanks are fixedly connected with air pumps.

[0016] As a further description of the above technical solution:

[0017] The guide assembly includes two guide columns, the right ends of the two guide columns are fixedly connected to the left side of the measuring instrument, and the right side of the outer wall of the translation table is provided with two guide holes.

[0018] As a further description of the above technical solution:

[0019] The top left side of the bottom plate is fixedly connected with a vertical plate, the right top of the vertical plate is fixedly connected with an interferometer, and the right end of the interferometer is fixedly connected with an objective lens.

[0020] As a further description of the above technical solutions:

[0021] The adjacent side of the two fixed blocks is fixedly connected with an extension column, and the side away from the two fixed blocks is fixedly connected with a plurality of connecting blocks.

[0022] The present application has the following beneficial effects:

[0023] 1、In the present application, the fixed blocks are quickly installed on the front and rear sides of the fixed table through the clamping connection of the buckles and the grooves, then the air bag is driven close to the lens by the electric telescopic rod, the gas pump is started to extract the gas in the gas tank, and the compressed gas is input into the air bag through the pipeline to adjust the clamping force, and the pressure sheet and the displacement sensor are used for double monitoring, so that the device can accurately clamp lenses of different materials, thicknesses and sizes, the lenses are prevented from being scratched, the clamping force of the device can be flexibly adjusted, and the safety of the device is improved.

[0024] 2、In the present application, when the position of the translation table is adjusted, the servo motor is started, power is transmitted to the gear through the shaft coupling, the gear and the rack are engaged and connected to drive the translation table to move linearly, the sliding connection between the guide column and the guide groove can prevent the translation table from deviating, and the displacement sensor two is used for real-time feedback of the distance, so that the translation table is accurately positioned, the reliability of the measurement position is ensured, and the measurement accuracy of the lens thickness is improved. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a perspective view of the lens thickness non-contact measurement device provided by the present application;

[0026] Figure 2 It is a front view of the lens thickness non-contact measurement device provided by the present application;

[0027] Figure 3 It is a sectional view of the fixed table of the lens thickness non-contact measurement device provided by the present application;

[0028] Figure 4 It is a split view of the lifting table of the lens thickness non-contact measurement device provided by the present application;

[0029] Figure 5 It is a sectional view of the translation table of the lens thickness non-contact measurement device provided by the present application.

[0030] LEGEND:

[0031] 1, bottom plate; 2, fixed table; 3, clamping mechanism; 301, displacement sensor one; 302, fixed block; 303, electric telescopic rod; 304, clamping block; 305, air bag; 306, check valve; 307, micro deflation valve; 308, pressure sheet; 309, mounting assembly; 3091, buckle; 3092, clamping groove; 310, gas conveying assembly; 3101, gas tank; 3102, air pump; 311, telescopic column; 312, connecting block; 4, lifting table; 5, translation table; 6, setting groove; 7, adjusting mechanism; 701, servo motor; 702, coupling; 703, gear; 704, moving groove; 705, rack; 706, displacement sensor two; 707, guide assembly; 7071, guide column; 7072, guide hole; 8, measuring instrument; 9, lubricating mechanism; 901, oil tank; 902, oil brush; 10, vertical plate; 11, interferometer; 12, objective lens. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0033] Referring to Figure 1 , Figure 2 and Figure 3 , an embodiment provided by the present application: a lens thickness non-contact measuring device, comprising a bottom plate 1, a fixed table 2 and a measuring instrument 8, the fixed table 2 is fixed on the top left side of the translation table 5, which is convenient for installing the clamping part for the lens, the measuring instrument 8 is fixed on the top right side of the lifting table 4, which is used for measuring the thickness of the lens, the outer wall of the fixed table 2 is provided with a clamping mechanism 3, the clamping mechanism 3 is used for clamping the lens, the top of the bottom plate 1 is fixedly connected with a lifting table 4, the top left side of the lifting table 4 is slidably connected with a translation table 5, the bottom of the translation table 5 is provided with a setting groove 6, the setting groove 6 is used for setting an adjusting mechanism 7, the top of the lifting table 4 is provided with an adjusting mechanism 7, the adjusting mechanism 7 is used for adjusting the position of the translation table 5 on the top of the lifting table 4, the inner wall of the setting groove 6 is provided with a lubricating mechanism 9, the lubricating mechanism 9 is used for lubricating the connection between the rack 705 and the gear 703;

[0034] The clamping mechanism 3 comprises a displacement sensor 301 for detecting the movement distance of the clamping block 304, the left side of the displacement sensor 301 is fixedly connected to the right middle part of the fixed table 2, the front and back sides of the fixed table 2 are fixedly connected with the fixed blocks 302, the fixed blocks 302 are convenient for installing the electric telescopic rods 303, the adjacent sides of the two fixed blocks 302 are fixedly connected with the electric telescopic rods 303, the two clamping blocks 304 are made to make forward and backward telescopic movement through the electric telescopic rods 303, the adjacent sides of the two electric telescopic rods 303 are fixedly connected with the clamping blocks 304, the clamping blocks 304 are used for clamping lenses, the adjacent sides of the two clamping blocks 304 are fixedly connected with the air bags 305, the air bags 305 are directly in contact with the lenses, can provide protection ability, and can adapt to lenses of different sizes, the top right sides of the two air bags 305 are fixedly connected with the one-way valves 306, the one-way valves 306 are used for rapid inflation, the top left sides of the two air bags 305 are fixedly connected with the micro deflation valves 307, the micro deflation valves 307 are used for rapid deflation, the adjacent sides of the two air bags 305 are fixedly connected with a plurality of pressure sheets 308, the pressure sheets 308 are used for detecting the pressure of the lenses and the air bags 305, the outer wall of the fixed table 2 is provided with a mounting assembly 309, the mounting assembly 309 is used for replacing and installing the fixed blocks 302, the outer wall of the translation table 5 is provided with a gas conveying assembly 310, and the gas conveying assembly 310 is used for conveying gas to the air bags 305;

[0035] The mounting assembly 309 comprises a plurality of buckles 3091, the opposite sides of the plurality of buckles 3091 are fixedly connected with the adjacent sides of the two fixed blocks 302, the front and back sides of the fixed table 2 are provided with two clamping grooves 3092, the buckles 3091 and the clamping grooves 3092 can be clamped, so that different fixed blocks 302 can be quickly replaced, the gas conveying assembly 310 comprises two gas tanks 3101, the gas tanks 3101 store compressed gas, the adjacent sides of the two gas tanks 3101 are fixedly connected with the front and back sides of the translation table 5, and the top ends of the two gas tanks 3101 are fixedly connected with air pumps 3102;

[0036] Specifically, before the device is started, the device is connected with a specific operating device through wireless technology. When the lens is clamped, the buckle 3091 on the fixing block 302 is aligned with the clamping groove 3092 on the front and rear sides of the fixing table 2 and is clamped into the clamping groove 3092, the connection between the fixing block 302 and the fixing table 2 is completed, the lens to be measured is placed between the two clamping blocks 304, the two electric telescopic rods 303 are started to drive the two clamping blocks 304 to move synchronously towards the lens until the air bag 305 on the clamping block 304 lightly adheres to the surface of the lens, the air pump 3102 is started, the air bag 305 is inflated through the one-way valve 306, the air bag 305 expands and gradually increases the clamping force on the lens, at the same time, the pressure sheet 308 on the air bag 305 detects the clamping pressure in real time, and the displacement sensor 301 monitors the moving distance of the clamping block 304 in real time to ensure the accuracy of the clamping position. When the pressure sheet 308 detects that the clamping force is appropriate, the air pump 3102 is turned off, and the one-way valve 306 can prevent backflow of the gas, thereby maintaining the stability of the clamping. When the clamping force needs to be adjusted, part of the gas is released through the micro air release valve 307. During the measurement process, the air bag 305 can not only avoid scratching the lens, but also adapt to the clamping needs of lenses of different sizes. After the measurement is completed, the electric telescopic rod 303 is retracted, and the micro air release valve 307 is completely deflated, so that the lens can be removed. The device can adjust the clamping force by inflating the air bag 305 and cooperate with the pressure sheet 308 to monitor the pressure in real time, thereby accurately adapting to the clamping needs of lenses of different materials and thicknesses, effectively avoiding scratching the lens, and solving the problem that the clamping force cannot be accurately controlled and the limitation of the buffer protection.

[0037] Referring to Figure 2 , Figure 4 and Figure 5 , the adjusting mechanism 7 comprises a servo motor 701, the servo motor 701 serves as a power source, the top of the servo motor 701 is fixedly connected to the inner wall top of the installation groove 6, the output end of the servo motor 701 is fixedly connected with a shaft coupling 702, the shaft coupling 702 is used for reducing position deviation and reducing vibration, the rear end of the shaft coupling 702 is fixedly connected with a gear 703, the top of the lifting table 4 is provided with a moving groove 704, the moving groove 704 is used for installing a rack 705, the inner wall bottom of the moving groove 704 is fixedly connected with the rack 705, the gear 703 and the rack 705 are meshed to enable the translation table 5 to move left and right accurately, the right side of the translation table 5 is fixedly connected with a displacement sensor two 706, the displacement sensor two 706 is used for detecting the movement distance of the translation table 5, the top of the lifting table 4 is provided with a guide assembly 707, the guide assembly 707 guides the left and right movement of the translation table 5;

[0038] The guide assembly 707 comprises two guide columns 7071 which are in sliding connection with guide holes 7072 to avoid deviation of the translation table 5 during left-right movement, the right ends of the two guide columns 7071 are fixedly connected to the left side of the measuring instrument 8, and two guide holes 7072 are formed in the right side of the outer wall of the translation table 5;

[0039] Specifically, after the starting device is started, the position of the translation table 5 needs to be adjusted, the servo motor 701 is started through the control equipment, the output force is transmitted to the gear 703 through the shaft coupling 702, the shaft coupling 702 can reduce the positional deviation between the motor shaft and the gear 703 shaft during transmission and can reduce the vibration during operation of the device, so as to ensure stable output of the power, the gear 703 is in meshing connection with the rack 705 in the moving groove 704 on the top of the lifting table 4 under the action of the power, and drives the translation table 5 to move left and right along the top of the lifting table 4, at the same time, the guide column 7071 penetrates through the translation table 5 and slides in the inner wall of the guide hole 7072 to guide the left-right movement of the translation table 5 and avoid deviation of the translation table 5, when the translation table 5 moves, the right displacement sensor two 706 detects the moving distance of the translation table 5 in real time, the operator controls the operation state of the servo motor 701 according to the data, when the translation table 5 moves to a position meeting the requirements of lens measurement and alignment, the operation of the servo motor 701 is stopped, the translation table 5 is stopped at the target position, the position adjustment is completed, the stable movement of the translation table 5 is realized, the positioning accuracy of the translation table 5 is ensured, and the reliability of measurement is improved.

[0040] Referring to Figure 1 , Figure 2 and Figure 4 , the lubricating mechanism 9 comprises an oil tank 901 in which lubricating oil is stored, the outer wall of the oil tank 901 is fixedly connected to the inner wall of the rear side of the placement groove 6, the outer wall of the oil tank 901 is fixedly connected with an oil brush 902 at the front end, the oil brush 902 can make the lubricating oil flow out from the bristles to lubricate the connection between the rack 705 and the gear 703, the top left side of the bottom plate 1 is fixedly connected with a vertical plate 10, the right top of the vertical plate 10 is fixedly connected with an interferometer 11, the right end of the interferometer 11 is fixedly connected with an objective lens 12, the interferometer 11 and the objective lens 12 are used to cooperate with the measuring instrument 8 to measure the thickness of the lens, the adjacent side of the two fixed blocks 302 is fixedly connected with an extension column 311, the extension column 311 guides the back-and-forth movement of the clamping block 304 to avoid displacement, the side away from each other of the two fixed blocks 302 is fixedly connected with a plurality of connecting blocks 312, the connecting blocks 312 are used to fix the pipeline of the gas pumped out by the transport air pump 3102 to the side away from each other of the two fixed blocks 302 to avoid affecting the clamping of the lens;

[0041] Specifically, before the device is operated, the oil tank 901 is first fixed to the inner wall of the rear side of the installation groove 6 opened at the bottom of the translation table 5, and the oil brush 902 at the front end of the oil tank 901 is attached to the meshing position of the rack 705 and the gear 703, sufficient lubricating oil is stored in the oil tank 901, the vertical plate 10 is fixed to the top left side of the bottom plate 1, and the interferometer 11 and the objective lens 12 are sequentially assembled on the right side of the vertical plate 10, corresponding to the light path of the measuring instrument 8 on the lifting table 4. Before clamping the lens, the gas conveying pipeline connected by the air pump 3102 is clamped into the connecting block 312 outside the fixed block 302, ensuring that the pipeline is arranged along the middle part of the outer wall of the fixed block 302, so that the gas conveying pipeline does not affect the clamping area of the lens. When the clamping mechanism 3 is started, the electric telescopic rod 303 drives the clamping block 304 to move, and the telescopic column 311 inside the fixed block 302 synchronously performs telescopic movement to provide guidance for the clamping block 304, avoiding deviation of the clamping block 304. When adjusting the position of the translation table 5, the gear 703 is meshed and connected with the rack 705, and the oil tank 901 moves synchronously with the translation table 5, so that the oil brush 902 slides at the meshing position. The lubricating oil in the oil tank 901 is evenly applied to the contact position of the rack 705 and the gear 703 to reduce friction.

[0042] Working principle: Before the device is started, a connection is established with a specific control device through wireless technology. When the lens needs to be clamped, the buckle 3091 on the fixed block 302 is aligned with the clamping groove 3092 on the front and rear sides of the fixed table 2 for clamping connection, achieving stable connection of the fixed block 302 and the fixed table 2. Then, the lens to be measured is placed between the two clamping blocks 304, the electric telescopic rod 303 on the fixed block 302 is started, and the two clamping blocks 304 move synchronously towards the lens until the air bag 305 on the clamping block 304 gently adheres to the surface of the lens. Then, the air pump 3102 is started, the gas in the gas tank 3101 is injected into the air bag 305 through the pipeline and the one-way valve 306, the air bag 305 is inflated and the clamping force on the lens is increased. At the same time, the pressure sheet 308 on the air bag 305 can detect the clamping pressure in real time, and the displacement sensor 1 301 synchronously monitors the movement distance of the clamping block 304, ensuring the accuracy of the clamping position through double monitoring, and closing the air pump 3102 when the pressure reaches a suitable value. The one-way valve 306 prevents backflow of gas and maintains stable clamping force. When the clamping force needs to be adjusted, only part of the gas is released through the micro deflation valve 307. During measurement, the air bag 305 can avoid scratching the lens and adapt to lenses of different sizes, achieving accurate and safe clamping and measurement of lenses of different materials and thicknesses.

[0043] And, when the position of the translation table 5 needs to be adjusted, the servo motor 701 is started by operating the device, the power output by the motor is transmitted to the gear 703 through the shaft coupling 702, the shaft coupling 702 compensates for the installation deviation of the motor shaft and the gear 703 shaft through its own structure, and can absorb the vibration generated during operation, so as to ensure that the power can be stably transmitted, and the gear 703 is meshed with the rack 705 in the moving groove 704 on the top of the lifting table 4 under the action of power, so as to convert the rotary motion into the linear motion of the translation table 5, realize the position adjustment of the translation table 5 in the left-right direction, and at the same time, the guide column 7071 is matched with the guide hole 7072 on the right side of the translation table 5, so as to limit the movement of the translation table 5 and prevent the translation table 5 from deviating laterally during movement. At the same time, the right displacement sensor two 706 detects the moving distance of the translation table 5 in real time and feeds back the data, the operator accurately controls the servo motor 701 according to the data, and stops the servo motor 701 when the translation table 5 reaches the appropriate position, so as to make the translation table 5 stable and pause by the meshing characteristics of the gear 703 and the rack 705, realize the high-precision positioning of the translation table 5, provide a reliable position for the measurement of the lens thickness, and ensure the measurement accuracy.

[0044] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application is made with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. Non-contact measuring device of the thickness of lenses, comprising a base plate (1), a fixed table (2) and a measuring instrument (8), characterized in that: The outer wall of the fixed table (2) is provided with a clamping mechanism (3), the top of the bottom plate (1) is fixedly connected with a lifting table (4), the top left side of the lifting table (4) is slidably connected with a translation table (5), the bottom of the translation table (5) is provided with a placing groove (6), the top of the lifting table (4) is provided with an adjusting mechanism (7), and the inner wall of the placing groove (6) is provided with a lubricating mechanism (9). The clamping mechanism (3) comprises a displacement sensor (301), the left side of the displacement sensor (301) is fixedly connected to the right side of the fixed table (2), the front and rear sides of the fixed table (2) are fixedly connected with fixed blocks (302), the adjacent sides of the two fixed blocks (302) are fixedly connected with electric telescopic rods (303), the adjacent sides of the two electric telescopic rods (303) are fixedly connected with clamping blocks (304), the adjacent sides of the two clamping blocks (304) are fixedly connected with air bags (305), the top right sides of the two air bags (305) are fixedly connected with one-way valves (306), the top left sides of the two air bags (305) are fixedly connected with micro air release valves (307), the adjacent sides of the two air bags (305) are fixedly connected with a plurality of pressure sheets (308), the outer wall of the fixed table (2) is provided with a mounting assembly (309), and the outer wall of the translation table (5) is provided with a gas conveying assembly (310).

2. The lens thickness non-contact measurement device of claim 1, wherein: The adjusting mechanism (7) comprises a servo motor (701), the top of the servo motor (701) is fixedly connected to the inner wall top of the placing groove (6), the output end of the servo motor (701) is fixedly connected with a shaft coupling (702), the rear end of the shaft coupling (702) is fixedly connected with a gear (703), the top of the lifting table (4) is provided with a moving groove (704), the inner wall bottom of the moving groove (704) is fixedly connected with a rack (705), the right side of the translation table (5) is fixedly connected with a displacement sensor (706), and the top of the lifting table (4) is provided with a guide assembly (707).

3. The lens thickness non-contact measurement device of claim 1, wherein: The lubricating mechanism (9) comprises an oil tank (901), the outer wall of the oil tank (901) is fixedly connected to the inner wall rear side of the placing groove (6), and the outer wall front end of the oil tank (901) is fixedly connected with an oil brush (902).

4. The ophthalmic lens thickness non-contact measurement device of claim 1, wherein: The mounting assembly (309) comprises a plurality of buckles (3091), and the opposite sides of the plurality of buckles (3091) are fixedly connected to the adjacent sides of the two fixed blocks (302). The front and rear sides of the fixed table (2) are provided with two clamping grooves (3092).

5. The lens thickness non-contact measurement device of claim 1, wherein: The gas conveying assembly (310) comprises two gas tanks (3101), the adjacent sides of the two gas tanks (3101) are fixedly connected to the front and rear sides of the translation table (5), and the top ends of the two gas tanks (3101) are fixedly connected with air pumps (3102).

6. The lens thickness non-contact measurement device of claim 2, wherein: The guiding assembly (707) comprises two guiding columns (7071), the right ends of the two guiding columns (7071) are fixedly connected to the left side of the measuring instrument (8), and the outer wall right side of the translation table (5) is provided with two guiding holes (7072).

7. The ophthalmic lens thickness non-contact measurement device of claim 1, wherein: The top left side of the bottom plate (1) is fixedly connected with a vertical plate (10), the right top of the vertical plate (10) is fixedly connected with an interferometer (11), and the right end of the interferometer (11) is fixedly connected with an objective lens (12).

8. The ophthalmic lens thickness non-contact measurement device of claim 1, wherein: The adjacent sides of the two fixed blocks (302) are fixedly connected with telescopic columns (311), and the sides away from each other of the two fixed blocks (302) are fixedly connected with a plurality of connecting blocks (312).

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