CN115096849B - Nondestructive testing device for refractive index of optical lens - Google Patents

Nondestructive testing device for refractive index of optical lens Download PDF

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Publication number
CN115096849B
CN115096849B CN202211017603.3A CN202211017603A CN115096849B CN 115096849 B CN115096849 B CN 115096849B CN 202211017603 A CN202211017603 A CN 202211017603A CN 115096849 B CN115096849 B CN 115096849B
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lens
supporting
light
refractive index
right angle
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CN115096849A (en
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刘有亮
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Jiangsu Haona Photoelectric Co ltd
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Jiangsu Haona Photoelectric Co ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/41Refractivity; Phase-affecting properties, e.g. optical path length
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/02Testing optical properties
    • G01M11/0207Details of measuring devices
    • G01M11/0214Details of devices holding the object to be tested
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/02Testing optical properties
    • G01M11/0228Testing optical properties by measuring refractive power
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/01Arrangements or apparatus for facilitating the optical investigation

Abstract

The invention belongs to the technical field of lens detection equipment, and particularly relates to a nondestructive testing device for refractive index of an optical lens, which comprises a base, wherein the top of the base is provided with a support frame, one side of the support frame is provided with a light generating mechanism, the top of the base is provided with a light receiving mechanism, the top of the light generating mechanism is provided with a display screen, and one side of the base is inserted with a rotary lens carrying table mechanism; the lens is arranged on the rotary lens carrying table mechanism, the rotary lens carrying table mechanism can drive the lens to rotate, the lens is conveniently conveyed to the light generating mechanism, the determination continuity is good, meanwhile, the rotary lens carrying table mechanism drives the lens to move to the position right below the light generating mechanism, the lens is not in an exposed state any more, the nondestructive degree is high, then, light rays emitted by the light generating mechanism cannot be interfered by the outside in the process of passing through the lens, the light rays are shielded, the protective effect is achieved, the light rays reach the light receiving mechanism to be received, and finally, the image is formed on the display screen, and the determination of the refractive index of the lens is completed.

Description

Nondestructive testing device for refractive index of optical lens
Technical Field
The invention belongs to the technical field of lens detection equipment, and particularly relates to a nondestructive testing device for the refractive index of an optical lens.
Background
When light is refracted when entering the medium from vacuum, the ratio of the sine of the incident angle to the refraction angle is called the absolute refraction index of the medium, and is called the refraction index for short. The refractive index of an ophthalmic lens is an important parameter of the lens. With the continuous development of new materials, the refractive indexes of the spectacle lenses are more and more, especially the price difference of different refractive indexes of the composite organic material lenses is large, the price of the lens with the same refractive index of 1.67 is more than ten times higher than that of the lens with the same refractive index of 1.56, and visual observation cannot distinguish the difference. The refractive index is usually measured by an optical lens refractometer in the eyeglass industry.
When the refractive index of the optical lens is measured, the existing measuring device works, the lens is arranged between the light emitting area and the light receiving area, the lens is positioned in the exposed space, light is easily interfered when passing through the exposed space where the lens is positioned, the emitted light is strong, the light shielding protection effect on personnel is avoided, meanwhile, the whole measuring efficiency is low, and the continuity measuring is poor.
Therefore, it is necessary to provide a nondestructive measuring apparatus for refractive index of optical lens to solve the above problems.
Disclosure of Invention
In view of the above problems, the present invention provides a nondestructive measurement device for refractive index of optical lens to solve the above problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a nondestructive testing device for refractive index of optical lens comprises a base, wherein a support frame is arranged at the top of the base, a light generating mechanism is arranged on one side of the support frame, a light receiving mechanism is arranged at the top of the base, a display screen is arranged at the top of the light generating mechanism, and a rotary lens carrying table mechanism is inserted into one side of the base;
the rotary microscope stage mechanism comprises a supporting plate, the supporting plate is inserted into one side of a base, a supporting shaft is arranged at the top of the supporting plate, a turntable is sleeved at the top of the supporting shaft in a rotating mode, a plurality of through holes are formed in the surface of the turntable, a supporting cylinder is arranged at the top of each through hole, the supporting cylinder is located once right above a beam splitting diaphragm when the turntable rotates for one week, a supporting ring is arranged at the top of the inner side of the supporting cylinder, a supporting rod is arranged at the bottom of the supporting ring, a limiting block is arranged on the surface of the supporting rod, the limiting block is connected to the inner wall of the supporting cylinder in a clamping mode, the limiting block is in sliding fit with the supporting cylinder in the vertical direction, the bottom of the supporting rod is fixedly connected to the upper surface of the turntable, an outer ring is fixedly sleeved outside the supporting cylinder, a lifting block is arranged at the bottom of the outer ring, a corresponding extending plate of the supporting cylinder is arranged at the edge of the turntable, a T-shaped rod is inserted into the surface of the extending plate, and a jack matched with the T-shaped rod is formed at the top of the base.
Preferably, the light generating mechanism comprises a reflector, the reflector forms a degree with the horizontal plane, a green point light source is arranged right above the top of the reflector, an ultraviolet point light source is arranged on the same horizontal height on one side of the reflector, and horizontal ultraviolet light emitted by the ultraviolet point light source is refracted by the reflector to form vertical downward ultraviolet light.
Preferably, the light receiving mechanism comprises a light splitting diaphragm, the light splitting diaphragm is positioned right below the reflector, an imaging lens is arranged at the bottom of the light splitting diaphragm, a CCD receiving plate is arranged at the bottom of the imaging lens, and a signal cable is connected between the CCD receiving plate and the display screen.
Preferably, the bottom surface of the lifting block is a horizontal plane, and when the lifting block rotates along with the rotary table, the distance between the lifting block and the two side surfaces of the stop plate is gradually increased towards the top.
Preferably, T type pole top is provided with the right angle pole, and right angle pole top is towards a support section of thick bamboo to sliding connection is on supporting a section of thick bamboo side, and right angle pole top bottom department is provided with unsettled spring, and a support section of thick bamboo fixed surface is connected with the diaphragm, and the diaphragm is located right angle pole top, and diaphragm bottom and right angle pole top all are provided with the magnetic block, the barrier plate bottom is provided with the right angle board, and right angle pole bottom is towards a support section of thick bamboo, and right angle board bottom rear side is provided with the set-square, and the thickness of set-square upper and lower direction diminishes to the rear side gradually, and the set-square upper surface is the plane, when the barrier plate just contacted with the promotion piece bottom surface, space department between diaphragm and the right angle pole is inserted to the set-angle pole falls downwards.
Preferably, the surface of the barrier plate is polished, and balls are embedded in the lower surface of the triangular plate.
Preferably, the bottom end of the T-shaped rod is a tip end, the T-shaped rod is divided into an upper section and a lower section, and the upper section is in threaded connection with the lower section.
Preferably, the top of the through hole is provided with an extension cylinder, and the outer diameter of the extension cylinder is the same as the inner diameter of the support cylinder.
The invention has the technical effects and advantages that:
1. the lens is arranged on the rotary lens carrying table mechanism, the rotary lens carrying table mechanism can drive the lens to rotate, the lens is conveniently conveyed to the light generating mechanism, the determination continuity is good, meanwhile, the rotary lens carrying table mechanism drives the lens to move to the position right below the light generating mechanism, the lens is not in an exposed state any more, the nondestructive degree is high, then, the light rays emitted by the light generating mechanism cannot be interfered by the outside in the process of passing through the lens, are shielded, play a role in protection, reach the light receiving mechanism to be received, and finally are imaged on the display screen, so that the determination of the refractive index of the lens is completed;
2. according to the invention, through the arrangement of the right-angle rod, the transverse plate and the triangular plate, when the T-shaped rod inserting device is used, the T-shaped rod at the inserting hole is firstly moved upwards, the right-angle rod and the transverse plate are adsorbed together under the action of the magnetic blocks in the rotating process of the rotary table, a person does not need to hold the T-shaped rod in the rotating process, and then when the right-angle rod and the transverse plate reach the triangular plate, the triangular plate can play a role in blocking the right-angle rod, so that after the right-angle rod is separated from the transverse plate, the two magnetic blocks are not adsorbed together any more, and at the moment, the right-angle rod and the T-shaped rod fall under the action of gravity, so that the T-shaped rod is inserted into the inserting hole, and the automatic insertion of the T-shaped rod is realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a perspective view of an apparatus for non-destructive measurement of refractive index of optical lens according to the present invention;
FIG. 2 is a schematic view of one of the angles of FIG. 1 in accordance with the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2 according to the present invention;
FIG. 4 is a cross-sectional view of a support cartridge of the present invention;
fig. 5 is a schematic view of the positions of the light generating means, the lens and the light receiving means in operation according to the present invention.
In the figure: the device comprises a base 1, a support frame 2, a light generating mechanism 3, a reflective mirror 31, a green point light source 32, an ultraviolet point light source 33, a light receiving mechanism 4, a light splitting diaphragm 41, an imaging lens 42, a CCD receiving plate 43, a display screen 5, a rotary mirror carrying table mechanism 6, a support plate 61, a rotary disc 62, a support cylinder 63, a support ring 64, a support rod 65, a limiting block 66, a lifting block 67, an extension plate 68, a T-shaped rod 69, a blocking plate 7, a right-angle rod 8, a suspension spring 9, a transverse plate 10, a right-angle plate 11, a triangular plate 12 and an extension cylinder 13.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative effort belong to the protection scope of the present invention;
in the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The invention provides a nondestructive testing device for refractive index of an optical lens, which comprises a base 1, wherein a support frame 2 is arranged at the top of the base 1, a light generating mechanism 3 is arranged at one side of the support frame 2, a light receiving mechanism 4 is arranged at the top of the base 1, a display screen 5 is arranged at the top of the light generating mechanism 3, and a rotary lens carrying table mechanism 6 is inserted at one side of the base 1.
Arrange the lens in on rotatory microscope stage mechanism 6, rotatory microscope stage mechanism 6 can drive the lens and rotate, conveniently carry the lens to produce mechanism 3, the survey continuity is good, rotatory microscope stage mechanism 6 drives the lens simultaneously and removes to under the light produces mechanism 3, make the lens no longer be in naked state, the non-destructive degree is high, the in-process of light process lens that light produced mechanism 3 sent afterwards, can not receive external interference, and shelter from light, play the guard action, arrive and receive on the light receiving mechanism 4, final formation of image is to on the display screen 5, accomplish the survey of lens refracting index.
The rotary microscope stage mechanism 6 comprises a supporting plate 61, the supporting plate 61 is inserted into one side of the base 1, a supporting shaft is arranged at the top of the supporting plate 61, a turntable 62 is sleeved at the top of the supporting shaft in a rotating mode, a plurality of through holes are formed in the surface of the turntable 62, a supporting cylinder 63 is arranged at the top of each through hole, the supporting cylinder 63 is located above the light splitting diaphragm 41 once when the turntable 62 rotates all the time, a supporting ring 64 is arranged at the top of the inner side of the supporting cylinder 63, a supporting rod 65 is arranged at the bottom of the supporting ring 64, a limiting block 66 is arranged on the surface of the supporting rod 65, the limiting block 66 is connected to the inner wall of the supporting cylinder 63 in a clamping mode, the limiting block 66 is in sliding fit with the supporting cylinder 63 in the vertical direction, the bottom of the supporting rod 65 is fixedly connected to the upper surface of the turntable 62, an outer ring is fixedly connected to the outer side of the supporting cylinder 63, a lifting block 67 is arranged at the bottom of the outer ring, a blocking plate 7 is fixedly connected to one side of the supporting frame 2, an extending plate 68 corresponding to the edge of the supporting cylinder 63, a T-shaped rod 69 is inserted into the surface of the extending plate 68, and a jack matched with the T-shaped rod 69 is formed at the top of the base 1.
The working process of the rotary mirror stage mechanism 6 is as follows: when the lens located right below the light generating mechanism 3 is measured, the lens can be placed at the supporting cylinder 63 at the rear side, the lens is placed on the supporting ring 64, the corresponding T-shaped rod 69 is pulled out from the jack, the rotating disc 62 is rotated, the rotating disc 62 drives the supporting cylinder 63 to reach the blocking plate 7, the blocking plate 7 blocks the lifting block 67 to enable the lifting block 67 to ascend, so that the supporting cylinder 63 is driven to ascend, the supporting cylinder 63 covers the lens, in the measuring process, the measured lens rotated to the foremost side is taken down, the supporting cylinder 63 rotated to the rearmost side is placed with the lens to be measured, and the rotating disc 62 is continuously rotated according to the process.
Referring to the attached drawings 1 and 5 of the specification, the light generating mechanism 3 includes a reflective mirror 31, the reflective mirror 31 forms an angle of 45 degrees with the horizontal plane, a green point light source 32 is arranged right above the top of the reflective mirror 31, an ultraviolet point light source 33 is arranged on the same horizontal height on one side of the reflective mirror 31, and horizontal ultraviolet light emitted by the ultraviolet point light source 33 is refracted by the reflective mirror 31 to form vertical downward ultraviolet light.
The light emitted by the ultraviolet point light source 33 is irradiated on the reflector 31 which forms a 45-degree angle with the horizontal plane, the ultraviolet light is reflected to the working light path of the green point light source 32, and the light generated by the ultraviolet point light source and the working light path passes through the lens together to realize the generation and transmission of the light.
Referring to the attached drawings 1 and 5 in the specification, the light receiving mechanism 4 comprises a beam splitting diaphragm 41, the beam splitting diaphragm 41 is positioned right below the reflective mirror 31, an imaging lens 42 is arranged at the bottom of the beam splitting diaphragm 41, a CCD receiving plate 43 is arranged at the bottom of the imaging lens 42, and a signal cable is connected between the CCD receiving plate 43 and the display screen 5.
Ultraviolet light and a green point light source 32 which pass through the lens reach the light splitting diaphragm 41, and finally the ultraviolet light and the green point light source are projected onto a CCD receiving plate 43 through an imaging lens 42 to obtain an image containing a mathematical model, and after the position shape of the image is processed, the vertex power and related parameters of the measured lens are displayed on a display screen 5.
Referring to the attached figure 3 of the specification, the bottom surface of the lifting block 67 is a horizontal plane, and when the lifting block 67 rotates along with the rotating disc 62, the distance between the two side surfaces of the lifting block 67, which are in contact with the blocking plate 7, is gradually increased towards the top.
When the bottom surface of the lifting block 67 reaches the position right above the blocking plate 7, the lifting block 67 does not move upwards any more, so that the supporting cylinder 63 is in a stable state of not lifting any more in the rotating process, and when the two side surfaces of the lifting block 67 are in contact with the blocking plate 7, the lifting block can smoothly lift under the blocking of the blocking plate 7.
Referring to the attached drawings 2-3 of the specification, a right-angle rod 8 is arranged at the top of the T-shaped rod 69, the top end of the right-angle rod 8 faces the supporting cylinder 63 and is connected to the side face of the supporting cylinder 63 in a sliding mode, a suspension spring 9 is arranged at the bottom of the top end of the right-angle rod 8, a transverse plate 10 is fixedly connected to the surface of the supporting cylinder 63 and is located at the top of the right-angle rod 8, magnetic blocks are arranged at the bottom of the transverse plate 10 and the top of the right-angle rod 8, a right-angle plate 11 is arranged at the bottom of the blocking plate 7, the bottom end of the right-angle rod 8 faces the supporting cylinder 63, a triangular plate 12 is arranged on the rear side of the bottom end of the right-angle plate 11, the thickness of the triangular plate 12 in the vertical direction gradually decreases towards the rear side, the upper surface of the triangular plate 12 is a plane, when the blocking plate 7 is just contacted with the bottom face of the lifting block 67, the rear end of the triangular plate 12 is inserted into a gap between the transverse plate 10 and the right-angle rod 8, so that the right-angle rod 8 falls, the surface of the blocking plate 7 is polished, and balls are embedded in the lower surface of the triangular plate 12. The surface of the blocking plate 7 is polished, so that the abrasion of the lifting block 67 can be reduced, and the abrasion between the triangular plate 12 and the right-angle rod 8 can be reduced by the rolling balls.
Because the T-shaped rod 69 needs to be manually pulled out of the base 1 by a person, and when the subsequent right-angle rod 8 rotates to the base 1, the person needs to pull up the T-shaped rod 69 to enable the T-shaped rod 69 to reach the position right above the base 1 and finally fall into the jack after reaching the jack, so as to complete the positioning of the rotary table 62, the operation of the above process is complicated, and therefore, through the arrangement of the right-angle rod 8, the transverse plate 10 and the triangular plate 12, when the T-shaped rod 69 at the jack is firstly moved upwards in use, the right-angle rod 8 and the transverse plate 10 are adsorbed together under the action of the magnetic blocks in the rotation process of the rotary table 62, the person does not need to hold the T-shaped rod 69 by hand in the rotation process, and then when the right-angle rod 8 and the transverse plate 10 reach the triangular plate 12, the triangular plate 12 can play a role in blocking the right-angle rod 8, so that the two magnetic blocks are not adsorbed together after the right-angle rod 8 and the transverse plate 10 are separated, and at this time, the right-angle rod 8 and the T-shaped rod 69 fall under the action of gravity, so that the T-shaped rod 69 is inserted into the jack 69, thereby realizing the automatic insertion of the T-shaped rod 69; and unsettled spring 9 can play the effect of buffering to the right angle pole 8 that drop and T type pole 69, prevents that T type pole 69 bottom from assaulting and producing great noise when jack bottom or base 1 top.
Referring to the attached fig. 1 of the specification, the bottom end of the T-shaped rod 69 is a tip end, the T-shaped rod 69 is divided into an upper section and a lower section, and the upper section is in threaded connection with the lower section.
When the T-bar 69 is mounted on the surface of the extension plate 68, the lower section of the T-bar 69 can be first inserted from the bottom onto the extension plate 68, and finally the lower section and the upper section are screwed together.
Referring to the attached figure 1 of the specification, the top of the through hole is provided with an extension cylinder 13, and the outer diameter of the extension cylinder 13 is the same as the inner diameter of the support cylinder 63.
The extension cylinder 13 can shield the leaking part of the support cylinder 63 after moving up, thereby reducing the exposed range.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (7)

1. The utility model provides a nondestructive measurement device of optical lens refracting index, includes base (1), base (1) top is provided with support frame (2), support frame (2) one side is provided with light production mechanism (3), base (1) top is provided with light receiving mechanism (4), and light production mechanism (3) top is provided with display screen (5), its characterized in that: a rotary microscope stage mechanism (6) is inserted into one side of the base (1);
the rotary lens carrying table mechanism (6) comprises a supporting plate (61), the supporting plate (61) is inserted into one side of the base (1), a supporting shaft is arranged at the top of the supporting plate (61), a rotating disc (62) is sleeved at the top of the supporting shaft in a rotating manner, a plurality of through holes are formed in the surface of the rotating disc (62), a supporting cylinder (63) is arranged at the top of each through hole, when the rotating disc (62) rotates for one circle, the supporting cylinder (63) is positioned right above the beam splitting diaphragm (41) for one time, a supporting ring (64) is arranged at the top of the inner side of the supporting cylinder (63), a supporting rod (65) is arranged at the bottom of the supporting ring (64), a limiting block (66) is arranged on the surface of the supporting rod (65), the limiting block (66) is clamped on the inner wall of the supporting cylinder (63), the limiting block (66) is in sliding fit with the supporting cylinder (63) in the vertical direction, the bottom of the supporting rod (65) is fixedly connected to the upper surface of the rotating disc (62), an outer ring is fixedly connected to the outer side of the supporting cylinder (63), a lifting block (67) is arranged at the bottom of the outer ring, a lifting block (2) is fixedly connected to one side, the edge of the supporting cylinder (7), when the lifting block (67) rotates along with the rotating disc (62), and the edge of the lifting block (67), and the edge of the supporting cylinder (68) is gradually extended towards the supporting cylinder (63), the surface of the extension plate (68) is inserted with a T-shaped rod (69), and the top of the base (1) is provided with a jack matched with the T-shaped rod (69);
t type pole (69) top is provided with right angle pole (8), and right angle pole (8) top is towards a support section of thick bamboo (63) to sliding connection is on a support section of thick bamboo (63) side, and right angle pole (8) top bottom department is provided with unsettled spring (9), and a support section of thick bamboo (63) fixed surface is connected with diaphragm (10), and diaphragm (10) are located right angle pole (8) top, and diaphragm (10) bottom and right angle pole (8) top all are provided with the magnetic block, baffle (7) bottom is provided with right angle board (11), and right angle pole (8) bottom is towards a support section of thick bamboo (63), and right angle board (11) bottom rear side is provided with set-square (12), and the thickness of direction diminishes to the rear side gradually about set-square (12), and set-square (12) upper surface is the plane, when baffle (7) just contacted with lifting block (67) bottom surface, space department between diaphragm (10) and right angle pole (8) is inserted to the set-square (12) rear end to make right angle pole (8) fall downwards.
2. The apparatus for the non-destructive measurement of refractive index of optical lens according to claim 1, wherein: light generation mechanism (3) are 45 degrees including reflector (31), reflector (31) and horizontal plane, are provided with green pointolite (32) directly over reflector (31) top, be provided with ultraviolet pointolite (33) on the same level of reflector (31) one side, the horizontal ultraviolet light that ultraviolet pointolite (33) sent forms vertical decurrent ultraviolet light after reflector (31) refracts.
3. The apparatus for the non-destructive measurement of the refractive index of an optical lens according to claim 2, wherein: the light receiving mechanism (4) comprises a light splitting diaphragm (41), the light splitting diaphragm (41) is located under the reflector (31), an imaging lens (42) is arranged at the bottom of the light splitting diaphragm (41), a CCD receiving plate (43) is arranged at the bottom of the imaging lens (42), and a signal cable is connected between the CCD receiving plate (43) and the display screen (5).
4. The apparatus for the non-destructive measurement of refractive index of optical lens according to claim 1, wherein: the bottom surface of the lifting block (67) is a horizontal plane.
5. The apparatus for the non-destructive measurement of refractive index of optical lens according to claim 1, wherein: the surface of the blocking plate (7) is polished, and balls are embedded into the lower surface of the triangular plate (12).
6. The apparatus for the non-destructive measurement of refractive index of optical lens according to claim 1, wherein: the bottom end of the T-shaped rod (69) is a tip end, the T-shaped rod (69) is divided into an upper section and a lower section, and the upper section is in threaded connection with the lower section.
7. The apparatus for the non-destructive measurement of refractive index of optical lens according to claim 1, wherein: an extension cylinder (13) is arranged at the top of the through hole, and the outer diameter of the extension cylinder (13) is the same as the inner diameter of the support cylinder (63).
CN202211017603.3A 2022-08-24 2022-08-24 Nondestructive testing device for refractive index of optical lens Active CN115096849B (en)

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CN115096849B true CN115096849B (en) 2023-01-06

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101377409A (en) * 2007-08-28 2009-03-04 鸿富锦精密工业(深圳)有限公司 Method for detecting surface appearance of glasses lens
CN105107753A (en) * 2015-08-14 2015-12-02 临海市劳尔机械有限公司 Automatic lens sorting machine
CN110274753A (en) * 2019-07-23 2019-09-24 温州市天创知识产权代理有限公司 A kind of lossless detection method of optical mirror slip refractive index
CN210375023U (en) * 2019-08-23 2020-04-21 信阳市宏远光学仪器有限公司 Detection tool for lens inspection
CN211916370U (en) * 2020-04-22 2020-11-13 江西超联光电科技有限公司 Automatic control device for fine grinding and thickness fixing of optical lens

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101377409A (en) * 2007-08-28 2009-03-04 鸿富锦精密工业(深圳)有限公司 Method for detecting surface appearance of glasses lens
CN105107753A (en) * 2015-08-14 2015-12-02 临海市劳尔机械有限公司 Automatic lens sorting machine
CN110274753A (en) * 2019-07-23 2019-09-24 温州市天创知识产权代理有限公司 A kind of lossless detection method of optical mirror slip refractive index
CN210375023U (en) * 2019-08-23 2020-04-21 信阳市宏远光学仪器有限公司 Detection tool for lens inspection
CN211916370U (en) * 2020-04-22 2020-11-13 江西超联光电科技有限公司 Automatic control device for fine grinding and thickness fixing of optical lens

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