CN115096849A - Nondestructive testing device for refractive index of optical lens - Google Patents
Nondestructive testing device for refractive index of optical lens Download PDFInfo
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- CN115096849A CN115096849A CN202211017603.3A CN202211017603A CN115096849A CN 115096849 A CN115096849 A CN 115096849A CN 202211017603 A CN202211017603 A CN 202211017603A CN 115096849 A CN115096849 A CN 115096849A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/02—Testing optical properties
- G01M11/0207—Details of measuring devices
- G01M11/0214—Details of devices holding the object to be tested
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/02—Testing optical properties
- G01M11/0228—Testing optical properties by measuring refractive power
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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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 a support frame is arranged at the top of the base, a light generating mechanism is arranged at 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 at one side of the base; 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
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 from a vacuum incident medium, the ratio of the sine of the incident angle to the refraction angle is called the "absolute refractive index" of the medium, and is referred to as the refractive index. The refractive index of an ophthalmic lens is an important parameter of the lens. With the 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 the difference cannot be distinguished by visual inspection. 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 an optical lens comprises a base, wherein a supporting frame is arranged at the top of the base, a light generating mechanism is arranged on one side of the supporting 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 lens carrying table mechanism comprises a supporting plate, the supporting plate is inserted and connected to 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 above the 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 clamped and connected to the inner wall of the supporting cylinder, 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 and connected to the outer side of the supporting cylinder, a blocking plate is fixedly connected to one side of the supporting frame, an extending plate corresponding to the supporting cylinder is arranged at the edge of the turntable, and a T-shaped rod is inserted and connected to the surface of the extending plate, the top of the base is provided with a jack matched with the T-shaped rod.
Preferably, the light generating mechanism comprises a reflector, the reflector is perpendicular to 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 of 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 a support 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 bracing piece 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 the upper and lower direction of set-square 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 blocking plate is polished, and balls are embedded into 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 plate 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 plate 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 a device for nondestructive measurement of refractive index of an optical lens according to the present invention;
FIG. 2 is a schematic view of one of the angles of FIG. 1 in 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 showing 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, which can be obtained by a person skilled in the art without making creative efforts based on the embodiments in the present invention, 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 the top of the base 1 is provided with a support frame 2, one side of the support frame 2 is provided with a light generating mechanism 3, the top of the base 1 is provided with a light receiving mechanism 4, the top of the light generating mechanism 3 is provided with a display screen 5, and one side of the base 1 is inserted with a rotary lens carrying table mechanism 6.
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 support plate 61, the support plate 61 is inserted into one side of the base 1, a support shaft is arranged at the top of the support plate 61, a turntable 62 is rotatably sleeved at the top of the support shaft, a plurality of through holes are formed in the surface of the turntable 62, a support cylinder 63 is arranged at the top of each through hole, when the turntable 62 rotates for one week, the support cylinder 63 is positioned right above the light splitting diaphragm 41 for one time, a support ring 64 is arranged at the top of the inner side of the support cylinder 63, a support rod 65 is arranged at the bottom of the support ring 64, a limit block 66 is arranged on the surface of the support rod 65, the limit block 66 is clamped on the inner wall of the support cylinder 63, the limit block 66 is in sliding fit with the support cylinder 63 in the vertical direction, the bottom of the support rod 65 is fixedly connected to the upper surface of the turntable 62, an outer ring is fixedly sleeved on the outer side of the support 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 support frame 2, and an extension plate 68 corresponding to the support cylinder 63 is arranged at the edge of the turntable 62, 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.
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 on the supporting cylinder 63 at the rear side to be positioned on the supporting ring 64, then 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 position of the blocking plate 7, the blocking plate 7 blocks the lifting block 67 to lift the lifting block 67, thereby driving the supporting cylinder 63 to rise, the supporting cylinder 63 covers the lens, the lens which is rotated to the foremost side and is measured is taken down in the measuring process, and the lens to be measured is placed on the supporting cylinder 63 which rotates to the rearmost side, and the turntable 62 is rotated continuously according to the above process, the above process not only can operate the lens in different measuring states in multiple stations to realize the continuity of measurement, meanwhile, the supporting cylinder 63 covers the positions of the lens and the light path, so that the safety and the accuracy in measurement are improved.
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 fig. 1 and 5 in the specification, the light receiving mechanism 4 includes a spectroscopic diaphragm 41, the spectroscopic diaphragm 41 is located right below the reflective mirror 31, an imaging lens 42 is arranged at the bottom of the spectroscopic 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.
After 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 rising any more in the rotating process, and the two side surfaces of the lifting block 67 can smoothly rise under the blocking of the blocking plate 7 when being in contact with 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 a T-shaped rod 69, the top end of the right-angle rod 8 faces a support cylinder 63 and is connected to the side face of the support cylinder 63 in a sliding manner, 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 support cylinder 63, the transverse plate 10 is arranged 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 a support rod 65, a right-angle plate 11 is arranged at the bottom of a blocking plate 7, the bottom end of the right-angle rod 8 faces the support 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 a 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, the lower surface of the triangular plate 12 is embedded with balls. 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, 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 during use, the right-angle plate 11 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 during rotation, and then when the right-angle plate 11 and the transverse plate 10 reach the triangular plate 12, the triangular plate 12 can play a role of blocking the right-angle rod 8, so that after the right-angle rod 8 and the transverse plate 10 are separated, the two magnetic blocks are not adsorbed together, at the moment, 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 insertion hole, and the T-shaped rod 69 is automatically inserted; 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 extending cylinder 13 can shield the leaking part after the supporting cylinder 63 moves and rises, 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 (8)
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 carrier mechanism (6) is inserted at one side of the base (1);
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 rotatably sleeved at the top of the supporting shaft, 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, when the turntable (62) rotates for one circle, the supporting cylinder (63) is positioned right above the light 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 turntable (62), an outer ring is fixedly sleeved on the outer side of the supporting cylinder (63), outer lane bottom is provided with lifting block (67), support frame (2) one side fixedly connected with barrier plate (7), carousel (62) edge is provided with and supports a corresponding extension board (68) of section of thick bamboo (63), and extension board (68) surface is pegged graft and is had T type pole (69), base (1) top seted up with T type pole (69) assorted jack.
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, and when the lifting block (67) rotates along with the turntable (62), the distance between the two side surfaces, in contact with the blocking plate (7), of the lifting block (67) gradually increases towards the top.
5. The apparatus for the non-destructive measurement of refractive index of optical lens according to claim 1, wherein: the top of the T-shaped rod (69) is provided with a right-angle rod (8), the top end of the right-angle rod (8) faces towards the supporting cylinder (63) and is connected to the side face of the supporting cylinder (63) in a sliding manner, 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), the transverse plate (10) is positioned 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 supporting rod (65), 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 towards the supporting cylinder (63), a triangular plate (12) is arranged at 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 in rigid contact with the bottom surface 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 downwards.
6. The apparatus for the non-destructive measurement of the refractive index of an optical lens according to claim 5, wherein: the surface of the blocking plate (7) is polished, and balls are embedded into the lower surface of the triangular plate (12).
7. 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.
8. 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).
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| CN202211017603.3A CN115096849B (en) | 2022-08-24 | 2022-08-24 | Nondestructive testing device for refractive index of optical lens |
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| CN202211017603.3A CN115096849B (en) | 2022-08-24 | 2022-08-24 | Nondestructive testing device for refractive index of optical lens |
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| CN115096849B CN115096849B (en) | 2023-01-06 |
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| 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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