CN116465826B - Device and method for testing polarization rate of optical film - Google Patents
Device and method for testing polarization rate of optical film Download PDFInfo
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- CN116465826B CN116465826B CN202310249021.6A CN202310249021A CN116465826B CN 116465826 B CN116465826 B CN 116465826B CN 202310249021 A CN202310249021 A CN 202310249021A CN 116465826 B CN116465826 B CN 116465826B
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- 239000012788 optical film Substances 0.000 title claims abstract description 99
- 238000012360 testing method Methods 0.000 title claims abstract description 49
- 230000010287 polarization Effects 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000001514 detection method Methods 0.000 claims description 48
- 239000000463 material Substances 0.000 claims description 26
- 238000004140 cleaning Methods 0.000 claims description 16
- 210000001503 joint Anatomy 0.000 claims description 15
- 230000001105 regulatory effect Effects 0.000 claims description 14
- 241000252254 Catostomidae Species 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- -1 polynaphthalate Substances 0.000 claims description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 4
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 4
- 241001330002 Bambuseae Species 0.000 claims description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 4
- 239000011425 bamboo Substances 0.000 claims description 4
- 230000033228 biological regulation Effects 0.000 claims description 4
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 4
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 4
- 230000001276 controlling effect Effects 0.000 claims description 3
- 229920001896 polybutyrate Polymers 0.000 claims description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 3
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 3
- 238000001228 spectrum Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000010008 shearing Methods 0.000 claims description 2
- 238000007405 data analysis Methods 0.000 claims 1
- 239000002245 particle Substances 0.000 claims 1
- 239000004014 plasticizer Substances 0.000 claims 1
- 238000005096 rolling process Methods 0.000 description 11
- QQVIHTHCMHWDBS-UHFFFAOYSA-N perisophthalic acid Natural products OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000011895 specific detection Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Classifications
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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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- 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
- G01N21/59—Transmissivity
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The application relates to the technical field of optical film testing, in particular to a device and a method for testing the polarization rate of an optical film.
Description
Technical Field
The application relates to the technical field of optical film testing, in particular to a device and a method for testing the polarization rate of an optical film.
Background
The optical film is a substance which can transmit light in the same direction and can not transmit light in the direction perpendicular to the same direction, and the polarizing film needs to be subjected to a sampling polarization rate test of part of the optical film during production or research and development so as to ensure that the performance of the product reaches the expected degree;
according to the prior art, patent publication No. CN110832363B discloses that an optical film and the like need to be detected by using corresponding detection equipment when detecting the polarization degree or the polarization rate, the optical film to be detected needs to be fixed in the detection process and then is inserted into an instrument to be detected, and as the polarization rates of the optical film under different angles are also different when the optical film penetrates, the requirement on light emission is higher during detection, and the mode of manually placing the optical film easily causes pollution of the optical film when the optical film is detected, thereby influencing specific detection values, influencing the detection efficiency and being very inconvenient to use.
Disclosure of Invention
The application aims to provide a device and a method for testing the polarization rate of an optical film, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present application provides the following technical solutions: a test apparatus for optical film polarization ratio, the test apparatus comprising:
the two sides of the upper end of the test operation table are horizontally and symmetrically provided with two control screw rods through bearing plates;
the rotating assembly is arranged between the two control screw rods through the movable assembly and comprises a rotating disc and a rotating worm, and the movable assembly comprises a supporting disc;
the adjusting component is movably arranged in the rotating disc and comprises an adjusting seat and a guide block;
the optical film to be tested is arranged at the lower end of the rotating disc through a grabbing component, and the grabbing component comprises a plurality of suckers;
the cleaning component is arranged on one side of the upper end of the test operation table and comprises a cantilever plate and a pad table.
Preferably, screw thread blocks are symmetrically arranged on two sides of the supporting disc, and the two screw thread blocks are respectively movably sleeved with two control screw rods.
Preferably, the rotary groove is horizontally arranged in the supporting disc, the rotary disc is horizontally inserted into the rotary groove through the bearing, the rotary disc is symmetrically provided with a plurality of worm teeth on the inner circumferential surface and the outer circumferential surface of the rotary groove, the supporting disc is internally provided with a rod groove in a communicating manner on one side of the rotary groove, the rotary worm horizontally penetrates through the inserting rod groove through the bearing, and one side of the rotary worm is meshed with one side of the worm teeth on one side of the rotary disc.
Preferably, the center of the upper end of the rotating disc is vertically provided with an abutting cylinder, the center of the lower end of the rotating disc is provided with an adjusting groove, the center of the abutting cylinder is communicated with the center of the adjusting groove, the two sides of the adjusting groove are symmetrically provided with shaft connecting grooves, the two sides of the adjusting seat are symmetrically provided with two adjusting shafts, the adjusting seat is horizontally movably arranged in the adjusting groove, and the two adjusting shafts are movably inserted into the two shaft connecting grooves respectively.
Preferably, the vertical symmetry in rolling disc lower extreme both sides is equipped with the extension piece, and the rolling disc is located extension piece one side and has all been seted up the guide way, and the guide way is the arc structure setting, and the virtual axis and the coaxial setting of regulating spindle of guide way, and the regulating seat is close to guide way one side and all horizontally is equipped with the guide piece, and two guide pieces activity grafting two guide way settings respectively.
Preferably, the outside of guide block all is equipped with the arc regulating plate, and the arc regulating plate is the arc structure setting, and the virtual axis and the coaxial setting of regulating axle of arc regulating plate are close to the equal intercommunication in guide way one side and have been seted up the gear groove in the rolling disc, and the equal vertical grafting in the gear groove is equipped with adjusting gear, and the arc regulating plate is close to adjusting gear one side and all is equipped with a plurality of regulation tooth, and adjusting gear one side is adjusted tooth meshing with arc regulating plate one side and is linked to each other, runs through the rolling disc upper end in the guide way and has seted up the expansion groove, and the activity of arc regulating plate upper end runs through the expansion groove setting.
Preferably, the regulating seat level has seted up the splitter box, and a plurality of sucking disc joints have been seted up to regulating seat lower extreme intercommunication splitter box, and a plurality of sucking discs upper ends are sealed grafting sucking disc joint lower extreme setting respectively, and a plurality of sucking disc lower extreme are located to the optical film level that awaits measuring, and the vertical negative pressure crimping piping channel of having seted up in the butt section of thick bamboo one side, negative pressure piping channel are L shape structure setting, and negative pressure piping channel one side level grafting is equipped with negative pressure suction pipe, and the regulating seat is close to negative pressure piping channel one side intercommunication splitter box and runs through and set up the butt joint groove, and the grafting is equipped with sealing hose between butt joint groove and the negative pressure piping channel.
Preferably, the cantilever plate is horizontally arranged at the center of the upper end of the test operation table, the cantilever seat is vertically arranged on one side of the upper end of the test operation table, the cantilever plate is horizontally arranged on one side of the cantilever seat, the cantilever plate is arranged right above the pad table, the optical film to be tested is horizontally arranged between the cantilever plate and the pad table, cleaning pads are arranged on one sides, close to the optical film to be tested, of the cantilever plate and the pad table, and one sides of the two cleaning pads are respectively contacted with one side of the optical film to be tested.
Preferably, the pad platform is close to the material lifting groove of having seted up on one side of the seat of encorbelmenting, and the pad platform is kept away from material lifting groove one side and has been seted up the light source groove, and test operation platform is close to light source groove one side and is equipped with the detection case through the support frame level, and when the rolling disc was in the detection case below, the butt section of thick bamboo upper end contacted with the detection case lower extreme and set up, and the groove of stepping down has all been seted up to supporting disc, rolling disc and regulating seat lower extreme for the run-through activity of encorbelmenting the board.
The method for testing the optical film polarization rate is applied to the device for testing the optical film polarization rate and comprises the following steps:
step one: uniformly adding the formula into a substrate such as polyethylene terephthalate, poly (isophthalic acid ester), 2, 6-polynaphthalate (isomer thereof), polybutyrate, polymethyl methacrylate and the like, extruding the raw materials through a die, and stretching to prepare an optical film to be tested with a certain thickness;
step two: shearing the prepared optical film to be tested into a certain size, placing the optical film into a material lifting groove, and arranging an automatically controlled vertical lifting feeding device in the material lifting groove;
step three: when the supporting disc moves to the position right above the material lifting groove along with the control screw rod, the optical film to be tested in the material lifting groove is properly lifted, and the negative pressure device horizontally adsorbs the optical film to be tested through the negative pressure pipe groove and the plurality of sucking discs;
step four: the supporting disc is moved to one side of the detection box by controlling the screw rod in the same way, and the abutting cylinder is positioned above the light source groove normally;
step five: during the process, the supporting disc drives the optical film to be tested to slide, and the cleaning pads of the cantilever plate and the pad table are respectively contacted with the upper surface and the lower surface of the optical film to be tested to clean the optical film to be tested;
step six: a common spectrum detection lighting element is arranged in the light source groove, a detection optical film is correspondingly stuck to one side of the detection box close to the light source groove, and after detection light passes through the optical film to be detected, the detection light is received by the detection box again through the detection optical film to perform analysis and display of data;
step seven: when the angle of light irradiation needs to be adjusted, the inclination of the adjusting seat is adjusted through the adjusting gear, and the rotating worm is matched with the rotation of the rotating disc, so that the omnibearing polarization rate detection is carried out on the optical film to be detected.
Compared with the prior art, the application has the beneficial effects that:
the movable component moves the adjusting seat to the upper end of the material lifting groove, the suction disc is matched with the suction, the optical film to be tested is sucked and grabbed, the surface of the optical film to be tested is cleaned by the matching cleaning component in the process of moving between the detection box and the light source groove, the pollution of manual placement and natural conditions is avoided, the detection quality is improved, the relative matching of the rotating component and the adjusting component is realized during detection, the requirement on the light transmission angle of the optical film to be tested is lower when the adjustment of the light transmission angle of the optical film to be tested is required, the whole structure is durable, the operation is simple and easy, and the use is convenient.
Drawings
FIG. 1 is a schematic diagram of the structure of the present application;
FIG. 2 is a schematic view of the portion A of FIG. 1 according to the present application;
FIG. 3 is a schematic view of the portion B of FIG. 1 according to the present application;
FIG. 4 is a schematic perspective view of the present application;
FIG. 5 is a schematic diagram of a test console according to the present application;
FIG. 6 is a schematic view of a support plate connection structure according to the present application;
FIG. 7 is a schematic view of the bottom structure of the support plate of the present application;
FIG. 8 is a schematic view of the structure of a rotary disk according to the present application;
FIG. 9 is a schematic view of the bottom structure of the rotating disc of the present application;
fig. 10 is a schematic view of the structure of the adjusting seat of the present application.
In the figure: the device comprises a test operation table 1, a control screw rod 2, an adjusting shaft 3, a supporting disc 4, a screw rod thread block 5, a rotating disc 6, a worm tooth 7, a rotating worm 8, an extension block 9, a guide groove 10, an adjusting seat 11, a guide block 13, an arc-shaped adjusting plate 14, an adjusting gear 15, a shunt groove 17, a negative pressure connecting pipe groove 18, a sucking disc 19, a cantilever plate 20, a pad table 21, a cleaning pad 22, an optical film 23 to be tested, a detection box 24, a material lifting groove 25, a light source groove 26, an abutting cylinder 27, a sealing hose 28, an adjusting groove 29, a shaft connecting groove 30, a gear groove 31, a telescopic groove 32 and a light through groove 33.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Referring to fig. 1-10, the present application provides the following five preferred embodiments.
Example 1
A testing device for the polarization rate of an optical film comprises:
the test operation panel 1, test operation panel 1 upper end both sides are equipped with two control lead screw 2 through bearing plate horizontal symmetry, rotating assembly locates between two control lead screw 2 through movable assembly, rotating assembly includes rolling disc 6 and rotation worm 8, movable assembly includes supporting disc 4, supporting disc 4 bilateral symmetry is equipped with lead screw thread piece 5, two lead screw thread piece 5 activity respectively cup joint two control lead screw 2 settings, the horizontal change groove has been seted up in the supporting disc 4, rolling disc 6 is arranged in the change groove through bearing horizontal grafting, rolling disc 6 is arranged in the symmetry of change groove inner and outer circumference face and is equipped with a plurality of worm tooth teeth 7, the pole groove has been seted up in the change groove one side intercommunication in the supporting disc 4, rotation worm 8 runs through the setting of grafting worm groove through the bearing horizontal, and rotating worm 8 one side links to each other with rolling disc 6 one side worm tooth 7 meshing, the activity of position is carried out to supporting disc 4 through lead screw 2, the purpose of taking the optical film 23 that awaits measuring carries is realized, and rotation worm 8 can carry out the in situ control to rolling disc 6, carry out the adaptation adjustment to follow-up detection actual conditions.
The device for testing the polarization rate of an optical film disclosed in the second embodiment of the present application has the same structure as that of the first embodiment, and is different in that: in order to facilitate the adjustment and change of the light passing angle and position of the subsequent optical film, the device also comprises an adjusting component, the adjusting component is movably arranged in the rotating disc 6, the adjusting component comprises an adjusting seat 11 and a guide block 13, the center of the upper end of the rotating disc 6 is vertically provided with an abutting cylinder 27, the center of the lower end of the rotating disc 6 is provided with an adjusting groove 29, the center of the abutting cylinder 27 is communicated with the center of the adjusting groove 29, the two sides of the adjusting groove 29 are symmetrically provided with shaft connecting grooves 30, the two sides of the adjusting seat 11 are symmetrically provided with two adjusting shafts 3, the adjusting seat 11 is horizontally movably arranged in the adjusting groove 29, the two adjusting shafts 3 are respectively movably connected with the two shaft connecting grooves 30 in a plugging manner, the two sides of the lower end of the rotating disc 6 are vertically and symmetrically provided with lengthening blocks 9, the rotating disc 6 is provided with guide grooves 10 on one side of the lengthening blocks 9, the guide grooves 10 are in an arc structure, the virtual axis of the guide grooves 10 is coaxially arranged with the adjusting shafts 3, the adjusting seat 11 is horizontally provided with a guide block 13 at one side close to the guide groove 10, the two guide blocks 13 are movably inserted into the two guide grooves 10 respectively, the outer sides of the guide blocks 13 are provided with arc adjusting plates 14, the arc adjusting plates 14 are arranged in an arc structure, the virtual axes of the arc adjusting plates 14 are coaxially arranged with the adjusting shaft 3, one side close to the guide groove 10 in the rotating disc 6 is communicated with a gear groove 31, the gear groove 31 is vertically inserted with an adjusting gear 15, one side of the arc adjusting plates 14 close to the adjusting gear 15 is symmetrically provided with a plurality of adjusting teeth, one side of the adjusting gear 15 is engaged with one side of the adjusting teeth of the arc adjusting plates 14, the upper ends of the guide grooves 10 penetrate through the rotating disc 6 to form a telescopic groove 32, the upper ends of the arc adjusting plates 14 are movably penetrated through the telescopic groove 32 to perform overturn control on the adjusting seat 11, the change of the light irradiation angle is realized, the center of the adjusting seat 11 is provided with a light through groove 33, the upper end of the light through groove 33 is of an inverted cone structure, and when the adjusting seat 11 is inclined, light rays cannot be blocked;
when the angle of light irradiation needs to be adjusted, the inclination of the adjusting seat 11 is adjusted through the adjusting gear 15, and the rotation of the rotating disc 6 by the rotating worm 8 is matched, so that the omnibearing polarization rate detection is carried out on the optical film 23 to be detected;
both the adjusting gear 15 and the turning worm 8 are driven by a motor.
The test device for the polarization rate of an optical film disclosed in the third embodiment of the present application has the same structure as that of the second embodiment, and is different in that: the optical film 23 to be tested is conveniently taken and moved, the optical film 23 to be tested is arranged at the lower end of the rotating disc 6 through the grabbing component, the grabbing component comprises a plurality of suckers 19, the adjusting seat 11 is horizontally provided with a shunt groove 17, the lower end of the adjusting seat 11 is communicated with the shunt groove 17, a plurality of sucker joints are arranged at the upper ends of the suckers 19 respectively in a sealing and inserting mode, the lower ends of the sucker joints are arranged at the lower ends of the suckers 19 respectively in a sealing and inserting mode, the optical film 23 to be tested is horizontally arranged at one side of the lower end of the suckers 19 in a butt joint cylinder 27 and vertically provided with a negative pressure connecting pipe groove 18, the negative pressure connecting pipe groove 18 is arranged in an L-shaped structure, one side of the negative pressure connecting pipe groove 18 is horizontally inserted and provided with a negative pressure suction pipe, one side of the adjusting seat 11, which is close to the negative pressure connecting pipe groove 18 is communicated with the shunt groove 17, a butt joint groove is arranged in a butt joint mode, a sealing hose 28 is inserted between the butt joint groove and the negative pressure connecting pipe groove 18, and the stable grabbing of the optical film 23 to be tested can be achieved while the swing of the adjusting seat 11 is kept;
when the supporting disc 4 moves to the position right above the material lifting groove 25 along with the control screw rod 2, the optical film 23 to be detected in the material lifting groove 25 is lifted properly, the negative pressure device horizontally adsorbs the optical film 23 to be detected through the negative pressure pipe groove 18 and the plurality of suckers 19, the negative pressure grabbing mode is adopted, the operation is convenient, the hose 28 cannot be separated when the angle of the adjusting seat is inclined, and the structure is stable.
The test device for the polarization rate of an optical film disclosed in the fourth embodiment of the present application has substantially the same structure as that in the third embodiment, and is different in that: when the optical film is grabbed and moved, the cleaning operation can be carried out along the belt, the time and effort are saved, the cleaning assembly is arranged on one side of the upper end of the test operation table 1, the cleaning assembly comprises a cantilever plate 20 and a pad table 21, the cantilever plate 20 is horizontally arranged at the center of the upper end of the test operation table 1, a cantilever seat is vertically arranged on one side of the upper end of the test operation table 1, the cantilever plate 20 is horizontally arranged on one side of the cantilever seat, the cantilever plate 20 is arranged right above the pad table 21, the optical film 23 to be tested is horizontally arranged between the cantilever plate 20 and the pad table 21, a material lifting groove 25 is formed on one side of the pad table 21 close to the cantilever seat, a light source groove 26 is formed on one side of the pad table 21 far away from the material lifting groove 25, a detection box 24 is horizontally arranged on one side of the test operation table 1 close to the light source groove 26 through a support frame, when the rotating disc 6 is arranged below the detection box 24, a butt cylinder 27 is in contact with the lower end of the detection box 24, the cantilever plate 20 and the pad table 21 are both sides close to the optical film 23 are provided with cleaning pads 22, and one sides of the two cleaning pads 22 are respectively in contact with one side of the optical film 23, the cantilever plate 20 to be tested, and the cleaning pads can have a certain elasticity, and can be arranged in a slightly inclined downward and can be smoothly supported, and can be smoothly cleaned, and can be smoothly operated, and smoothly run;
along with the sliding of the optical film 23 to be tested driven by the supporting disc 4, the cantilever plate 20 and the cleaning pad 22 of the pad table 21 are respectively contacted with the upper surface and the lower surface of the optical film 23 to be tested, and the optical film is cleaned.
The test device for the polarization rate of an optical film disclosed in the fifth embodiment of the present application has substantially the same structure as that in the fourth embodiment, and is different in that: the supporting plate 4, the rotating plate 6 and the lower end of the adjusting seat 11 are provided with yielding grooves for the penetrating movement of the cantilever plate 20, and when the supporting plate 4 moves, the yielding grooves are correspondingly arranged, so that the problem of moving and clamping is avoided.
The method for testing the optical film polarization rate is applied to the device for testing the optical film polarization rate and comprises the following steps:
step one: uniformly adding the formula into a substrate such as polyethylene terephthalate, poly (isophthalic acid) ester, 2, 6-polynaphthalate (isomers thereof), polybutyrate and polymethyl methacrylate, extruding the raw materials through a die, and stretching to obtain an optical film 23 to be measured with a certain thickness;
step two: the prepared optical film 23 to be measured is sheared into a certain size and placed in a material lifting groove 25, and an automatically controlled vertical lifting feeding device is arranged in the material lifting groove 25;
step three: when the supporting disc 4 moves to the position right above the material lifting groove 25 along with the control screw rod 2, the optical film 23 to be tested in the material lifting groove 25 is properly lifted, and the negative pressure device horizontally adsorbs the optical film 23 to be tested through the negative pressure pipe groove 18 and the plurality of suckers 19;
step four: the supporting disc 4 is moved to one side of the detection box 24 by controlling the screw rod 2 in the same way, and the abutting cylinder 27 is positioned above the light source groove 26;
step five: during the process, the supporting disc 4 drives the optical film 23 to be tested to slide, and the cleaning pads 22 of the cantilever plate 20 and the pad table 21 are respectively contacted with the upper surface and the lower surface of the optical film 23 to be tested to clean the same;
step six: a common spectrum detection illumination element is arranged in the light source groove 26, a detection optical film is correspondingly attached to one side of the detection box 24 close to the light source groove 26, and after detection light passes through the optical film 23 to be detected, the detection light is received by the detection box 24 again through the detection optical film to perform analysis and display of data;
step seven: when the angle of light irradiation needs to be adjusted, the inclination of the adjusting seat 11 is adjusted through the adjusting gear 15, and the rotation of the rotating disc 6 by the rotating worm 8 is matched, so that the omnibearing polarization rate detection is carried out on the optical film 23 to be detected.
According to the actual detection condition, the light transmittance of the original material between 400NM and 700NM is 65-80% according to the detection result of whether the formula is added, and the polarized light rate reaches 80-90% according to the refractive index difference after the addition.
Although embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the application, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A test device for the polarization rate of an optical film, which is characterized in that: the device for testing the polarization rate of the optical film comprises:
the test operation table (1), two control screw rods (2) are horizontally and symmetrically arranged on two sides of the upper end of the test operation table (1) through bearing plates;
the rotating assembly is arranged between the two control screw rods (2) through the movable assembly and comprises a rotating disc (6) and a rotating worm (8), and the movable assembly comprises a supporting disc (4);
the adjusting component is movably arranged in the rotating disc (6) and comprises an adjusting seat (11) and a guide block (13);
the support disc (4) is internally and horizontally provided with a rotary groove, the rotary disc (6) is horizontally inserted and arranged in the rotary groove through a bearing, the inner circumferential surface and the outer circumferential surface of the rotary disc (6) which are arranged in the rotary groove are symmetrically provided with a plurality of worm teeth (7), one side of the support disc (4) which is positioned in the rotary groove is communicated with a rod groove, the rotary worm (8) horizontally penetrates through the inserted rod groove through the bearing, and one side of the rotary worm (8) is meshed and connected with one side of the worm teeth (7) of the rotary disc (6);
the center of the upper end of the rotating disc (6) is vertically provided with an abutting cylinder (27), the center of the lower end of the rotating disc (6) is provided with an adjusting groove (29), the center of the abutting cylinder (27) is communicated with the center of the adjusting groove (29), two sides of the adjusting groove (29) are symmetrically provided with shaft connecting grooves (30), two sides of the adjusting seat (11) are symmetrically provided with two adjusting shafts (3), the adjusting seat (11) is horizontally movably arranged in the adjusting groove (29), and the two adjusting shafts (3) are respectively movably inserted into the two shaft connecting grooves (30);
the two sides of the lower end of the rotating disc (6) are vertically and symmetrically provided with extension blocks (9), one side of the rotating disc (6) positioned on the extension blocks (9) is provided with guide grooves (10), the guide grooves (10) are arranged in an arc-shaped structure, the virtual axis of each guide groove (10) is coaxially arranged with the adjusting shaft (3), one side, close to each guide groove (10), of each adjusting seat (11) is horizontally provided with guide blocks (13), and the two guide blocks (13) are movably inserted into the two guide grooves (10) respectively;
the outer side of the guide block (13) is provided with an arc-shaped adjusting plate (14), the arc-shaped adjusting plate (14) is in an arc-shaped structure, a virtual axis of the arc-shaped adjusting plate (14) is coaxially arranged with the adjusting shaft (3), one side of the rotating disc (6) close to the guide groove (10) is communicated and provided with a gear groove (31), the gear groove (31) is vertically inserted and provided with an adjusting gear (15), one side of the arc-shaped adjusting plate (14) close to the adjusting gear (15) is symmetrically provided with a plurality of adjusting teeth, one side of the adjusting gear (15) is meshed and connected with one side of the adjusting teeth of the arc-shaped adjusting plate (14), a telescopic groove (32) is formed in the guide groove (10) in a penetrating way through the upper end of the rotating disc (6), and the upper end of the arc-shaped adjusting plate (14) movably penetrates through the telescopic groove (32);
the optical film (23) to be detected is arranged at the lower end of the rotating disc (6) through a grabbing component, and the grabbing component comprises a plurality of suckers (19);
the cleaning component is arranged on one side of the upper end of the test operation table (1), and comprises a cantilever plate (20) and a pad table (21);
the utility model discloses a test operation platform, including test operation platform (1), test operation platform, cantilever board (20) are located in the level and are located test operation platform (1) upper end center, test operation platform (1) upper end one side is vertical to be equipped with the seat of encorbelmenting, cantilever board (20) are located and fill up setting directly over platform (21), optical film (23) to be measured are located between cantilever board (20) and filling up platform (21) level, cantilever board (20) and fill up platform (21) and all be equipped with clean pad (22) near optical film (23) one side that awaits measuring, and two clean pad (22) one sides respectively with optical film (23) one side of awaiting measuring contact.
2. The test device for the polarization rate of an optical film according to claim 1, wherein: screw thread blocks (5) are symmetrically arranged on two sides of the supporting disc (4), and the two screw thread blocks (5) are respectively movably sleeved with two control screws (2).
3. A test apparatus for optical film polarization ratio according to claim 2, wherein: the utility model discloses a vacuum pump, including adjusting seat (11), suction cup, sucking disc (19), butt joint tube (18) have been seted up to regulation seat (11) level, a plurality of sucking disc joints have been seted up to regulation seat (11) lower extreme intercommunication splitter box (17), a plurality of sucking discs (19) upper ends are sealed grafting sucking disc joint lower extreme setting respectively, optical film (23) level that awaits measuring is located a plurality of sucking discs (19) lower extreme, negative pressure piping (18) have been seted up vertically to one side in butt joint section of thick bamboo (27), negative pressure piping (18) are L shape structure setting, negative pressure piping (18) one side level grafting is equipped with negative pressure suction tube, butt joint groove has been seted up in the butt joint groove has been run through to regulation seat (11) near negative pressure piping (18) one side intercommunication splitter box (17), and the grafting is equipped with sealing hose (28) between butt joint groove and the negative pressure piping (18).
4. A test apparatus for optical film polarization ratio according to claim 3, wherein: material lifting groove (25) has been seted up to pad platform (21) be close to seat one side of encorbelmenting, and material lifting groove (25) one side has been seted up light source groove (26) are kept away from to pad platform (21), and test operation platform (1) are close to light source groove (26) one side and are equipped with detection case (24) through the support frame level, and when rotor (6) were in detection case (24) below, butt section of thick bamboo (27) upper end and detection case (24) lower extreme contact setting, and the groove of stepping down has all been seted up to supporting disk (4), rotor (6) and regulating seat (11) lower extreme for the run-through activity of cantilever board (20).
5. A method for testing the polarization rate of an optical film is characterized by comprising the following steps: the method for testing the optical film polarization rate is applied to the device for testing the optical film polarization rate according to any one of the claims 1 to 4, and comprises the following steps:
step one: uniformly adding 0.01% -5% of plasticizer, polynaphthalate, PMMA and PBT particles into polyethylene terephthalate, polyisophthalate, 2, 6-polynaphthalate, polybutyrate and polymethyl methacrylate base materials, extruding the mixed materials from a die, and stretching the mixed materials to prepare an optical film (23) to be measured with certain thickness;
step two: shearing the prepared optical film (23) to be tested into a certain size, placing the optical film in a material lifting groove (25), and arranging an automatically controlled vertical lifting feeding device in the material lifting groove (25);
step three: when the supporting disc (4) moves to the position right above the material lifting groove (25) along with the control screw rod (2), the optical film (23) to be detected in the material lifting groove (25) is properly lifted, and the negative pressure device horizontally adsorbs the optical film (23) to be detected through the negative pressure pipe pressing groove (18) and the plurality of suckers (19);
step four: the supporting disc (4) is moved to one side of the detection box (24) by controlling the screw rod (2) in the same way, and the abutting cylinder (27) is positioned above the light source groove (26) normally;
step five: during the process, the supporting disc (4) drives the optical film (23) to be tested to slide, and the cantilever plate (20) and the cleaning pad (22) of the pad table (21) are respectively contacted with the upper surface and the lower surface of the optical film (23) to be tested to clean the optical film;
step six: a common spectrum detection lighting element is arranged in the light source groove (26), a detection optical film is correspondingly attached to one side of the detection box (24) close to the light source groove (26), and after detection light passes through the optical film (23) to be detected, the detection light is received by the detection box (24) through the detection optical film again, and data analysis and display are carried out;
step seven: when the angle of light irradiation needs to be adjusted, the inclination of the adjusting seat (11) is adjusted through the adjusting gear (15), and the rotating worm (8) is matched to rotate the rotating disc (6), so that the omnibearing polarization rate detection is carried out on the optical film (23) to be detected.
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| CN202310249021.6A CN116465826B (en) | 2023-03-15 | 2023-03-15 | Device and method for testing polarization rate of optical film |
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| CN202310249021.6A CN116465826B (en) | 2023-03-15 | 2023-03-15 | Device and method for testing polarization rate of optical film |
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