CN220650513U

CN220650513U - Polarizer detection device

Info

Publication number: CN220650513U
Application number: CN202322200245.6U
Authority: CN
Inventors: 成红军; 毛舒
Original assignee: Shenzhen Xiaocheng Electronics Co ltd
Current assignee: Shenzhen Xiaocheng Electronics Co ltd
Priority date: 2023-08-15
Filing date: 2023-08-15
Publication date: 2024-03-22
Anticipated expiration: 2033-08-15

Abstract

The utility model discloses a polaroid detection device, which relates to the field of polaroids and comprises a base plate, a Fourier camera body for carrying out flaw detection on the polaroid and a Fourier light source body for emitting a Fourier light source, wherein a bearing table for placing the polaroid is fixedly arranged on the outer wall of the base plate, a vertical plate is fixedly arranged on the outer wall of the base plate, the Fourier camera body is arranged on the outer wall of the vertical plate, a lifting plate is slidably arranged on the outer wall of the vertical plate, a sliding plate for bearing the Fourier light source body is slidably arranged in the lifting plate, and the Fourier light source body is rotatably arranged on the inner wall of the sliding plate; according to the utility model, through the cooperation of the structures, the irradiation height and angle of the Fourier light source body and the horizontal distance between the Fourier light source body and the bearing table can be adjusted, so that the irradiation of defects at different positions on the surface of the polaroid is realized.

Description

Polarizer detection device

Technical Field

The utility model relates to the technical field of polaroids, in particular to a polaroid detection device.

Background

A polarizer is a special optical element that separates polarized components of light, and is usually composed of multiple layers of thin films, with the thickness and materials being selected so that the polarizer selectively transmits or reflects light in a particular direction. Accordingly, polarizers have a wide range of applications in the optical field, in which fourier light sources and fourier camera methods are a common technique for detecting flaws in polarizers, such as cracks, bubbles, impurities, etc., by analyzing fourier transforms generated by optical systems.

The utility model provides a chinese patent of publication No. CN214472874U, it discloses a polaroid flaw detection device, including the bottom plate, the upper surface wall both ends symmetry of bottom plate is fixed with first riser and second riser, the upper end of first riser one side towards the second riser is fixed with first mounting panel, install the fourier camera on the first mounting panel, the free change of fourier light source inclination can be realized through the cooperation of screw rod, fixed column, through-hole and connecting rod etc. to above-mentioned patent, do not restrict to fixed angle and shine and detect, when needs change fourier light source inclination, only need the screw rod of rotating, can drive the mount pad and rotate, and then can realize fourier light source inclination's change, convenient and fast, wherein, when the mount pad rotates, the connecting rod can be in the through-hole all the time and move, can effectively increase the stability of mount pad installation.

Although the above patent can adjust the appropriate incident angle of light so as to better detect the flaws in the polarizer, since the second mounting plate and the third mounting plate in the above patent are fixedly mounted on one side surface of the second vertical plate facing the first vertical plate and the fourier light source is rotatably mounted on the outer wall of the second mounting plate, the height of the fourier light source in the above patent is fixed, the irradiation height and irradiation position of the fourier light source are difficult to adjust, irradiation is inconvenient for a plurality of positions on the carrying table, irradiation is easy to occur, and even if a defective part is difficult to detect, this will result in the sensitivity of the detection of the above device being reduced.

For this purpose, we propose a polarizer detection device.

Disclosure of Invention

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a polaroid detection device, includes the bottom plate, is used for carrying out the fourier camera body of flaw detection and the fourier light source body that is used for launching fourier light source to the polaroid, and the lateral wall fixed mounting of bottom plate has the plummer that is used for placing the polaroid, and the both ends fixed mounting of bottom plate has the riser, and two fourier camera bodies pass through the extension board and set up the lateral wall at the riser, correspond two on the plummer the fourier camera body has two places that are used for placing the polaroid of different specifications, and the lateral wall slidable mounting of riser has the lifter, and the inside slidable mounting of lifter has the sliding plate that is used for bearing fourier light source body, and fourier light source body rotates the inner wall of installing at the sliding plate, and the outer wall of lifter is provided with the lifting assembly that is used for controlling fourier light source body to go up and down, and the outer wall of lifter is provided with the gliding sliding assembly that is used for controlling the sliding plate.

Preferably, the lifting assembly comprises a screw rod, a worm wheel and a guide block, wherein the guide block is fixedly arranged on the outer wall of the lifting plate, a guide groove for the guide block to slide is formed in the vertical plate, the screw rod is fixedly arranged on the inner wall of the guide groove, the worm wheel is rotatably arranged on the outer wall of the guide block, the inner wall of the guide block is slidably connected with the outer wall of the screw rod, and the inner wall of the worm wheel is connected with the outer wall of the screw rod through internal and external threads in a matched manner.

Preferably, the outer wall of the lifting plate is provided with a worm, and the outer wall of the worm is mutually matched with the outer wall of the worm wheel.

Preferably, the outer wall fixedly connected with mounting panel of lifter plate, worm rotate the outer wall of installing at the lifter plate.

Preferably, the sliding assembly comprises a rack and a gear, the rack is fixedly arranged on the outer wall of the sliding plate, a sliding groove for the rack to slide is formed in the outer wall of the lifting plate, the gear is rotatably arranged on the outer wall of the lifting plate, and the outer wall of the gear is meshed with the outer wall of the rack.

Preferably, the outer wall of the lifting plate is fixedly provided with a double-shaft motor, one output shaft of the double-shaft motor is fixedly connected with the axial end of the gear, and the other output shaft of the double-shaft motor is connected with the end part of the worm through bevel gear transmission.

Preferably, the outer wall fixedly connected with threaded rod of fourier light source body, threaded rod rotate and install the inner wall at the sliding plate, and the outer wall of threaded rod passes through inside and outside screw thread cooperation with the inner wall of sliding plate and is connected.

Preferably, one end of the threaded rod, which is far away from the Fourier light source body, is fixedly connected with a rotary disc.

Preferably, the guide block is a T-shaped column, and the inner wall of the guide groove is mutually matched with the outer wall of the guide block.

Preferably, the outer wall of the guide block is in sliding fit with the inner wall of the guide groove.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, through the cooperation between the structures, the irradiation height and angle of the Fourier light source body and the horizontal distance between the Fourier light source body and the bearing table can be adjusted, defects at different positions on the surface of the polaroid can be irradiated, the defects at different positions can be well adapted, the polaroid can be detected as comprehensively and efficiently as possible, the sensitivity and the precision of detection are improved, the condition that irradiation cannot be easily performed due to the fact that the irradiation height of the Fourier light source is difficult to adjust in the patent is effectively reduced, and the condition that the detection sensitivity of the device is reduced due to the fact that the defect part is difficult to detect is also caused.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a schematic view of the installation of the lifter plate of the present utility model;

FIG. 3 is a schematic view of the installation of a slide plate according to the present utility model;

fig. 4 is an enlarged view of fig. 3 a in accordance with the present utility model.

In the figure: 1. a bottom plate; 2. a carrying platform; 3. a fourier camera body; 4. a fourier light source body; 5. a vertical plate; 6. a lifting plate; 7. a sliding plate; 8. a screw rod; 9. a worm wheel; 10. a guide block; 11. a mounting plate; 12. a worm; 13. a rack; 14. a gear; 15. a biaxial motor; 16. a grid plate; 17. a turntable.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, a polarizer detection device in the drawings includes a base plate 1, a fourier camera body 3 for performing flaw detection on a polarizer, and a fourier light source body 4 for emitting a fourier light source, wherein a bearing table 2 for placing the polarizer is fixedly installed on a side wall of the base plate 1, and standing plates 5 are fixedly installed at two ends of the base plate 1, which is currently: the Chinese patent with the publication number of CN214472874U discloses a polaroid flaw detection device, and technical means of a fixed plate, a supporting plate, a first vertical plate, a first mounting plate, a Fourier camera, a second vertical plate, a Fourier light source, a mounting seat, a third mounting plate, a slot, a plugboard, a through hole and a grid plate are disclosed in the patent, and the bottom plate 1, the Fourier camera body 3, the Fourier light source body 4, the bearing table 2 and the vertical plate 5 in the application document adopt the same technical means in the prior art, and the technical means are not repeated herein.

Two fourier camera bodies 3 are arranged on the side wall of the vertical plate 5 through extension plates, two placing positions for placing polaroids of different specifications are arranged on the bearing table 2 corresponding to the two fourier camera bodies 3, the lifting plate 6 is slidably arranged on the side wall of the vertical plate 5, the sliding plate 7 for bearing the fourier light source body 4 is slidably arranged in the lifting plate 6, and the fourier light source body 4 is rotatably arranged on the inner wall of the sliding plate 7. Different batches of polarizers have different specifications, and the positions of the different batches of polarizers placed on the carrying table 2 are different, so that the fourier light source body 4 is adjusted to illuminate different positions on the carrying table 2 corresponding to the different batches of polarizers (each batch generally has a certain number, and therefore, no excessively frequent adjustment is required).

The outer wall fixedly connected with threaded rod of fourier light source body 4, threaded rod rotate and install the inner wall at sliding plate 7, and the outer wall of threaded rod passes through inside and outside screw thread cooperation with the inner wall of sliding plate 7 and is connected, and the one end fixedly connected with carousel 17 that fourier light source body 4 was kept away from to the threaded rod.

The outer wall of the lifting plate 6 is provided with a lifting component for controlling the lifting of the Fourier light source body 4.

The outer wall of the lifting plate 6 is provided with a sliding assembly for controlling the sliding of the sliding plate 7.

When the polaroid flaw detection is required, the polaroid to be detected can be placed on the bearing table 2, then the Fourier light source body 4 is started, the light source emits grid light rays with alternate brightness through the grid plate, and then the vertical image of the polaroid with the embossing flaw is shot by the Fourier camera body 3.

When needs carry out the regulation to the irradiation position of fourier light source body 4, through rotating carousel 17, can drive threaded rod and fourier light source body 4 rotation, can adjust the irradiation angle of fourier light source body 4, through sliding lifter plate 6 in vertical direction, can adjust the irradiation height of fourier light source body 4, through sliding plate 7, can adjust the horizontal distance between fourier light source body 4 and the plummer 2, through the cooperation between the above-mentioned structure, can shine the defect of polarizer surface different positions department, adapt to the defect of different positions department better, detect the polaroid as comprehensively as possible, high-efficiently, improve sensitivity and the precision of detection.

The lifting assembly comprises a screw rod 8, a worm wheel 9 and a guide block 10, wherein the guide block 10 is fixedly arranged on the outer wall of the lifting plate 6, a guide groove for the guide block 10 to slide is formed in the vertical plate 5, the screw rod 8 is fixedly arranged on the inner wall of the guide groove, the worm wheel 9 is rotatably arranged on the outer wall of the guide block 10, the inner wall of the guide block 10 is in sliding connection with the outer wall of the screw rod 8, and the inner wall of the worm wheel 9 is in matched connection with the outer wall of the screw rod 8 through internal and external threads.

In this embodiment: when the height of the Fourier light source body 4 needs to be adjusted, the worm wheel 9 can be driven to ascend or descend on the outer wall of the screw rod 8 by rotating the worm wheel 9, and the worm wheel 9 can drive the lifting plate 6 to ascend or descend due to the fact that the worm wheel 9 is rotatably arranged on the outer wall of the guide block 10, so that the height of the Fourier light source body 4 is adjusted.

The outer wall of lifter plate 6 is provided with worm 12, and the outer wall of worm 12 and the outer wall of worm wheel 9 mutually support, and the outer wall fixedly connected with mounting panel 11 of lifter plate 6, worm 12 rotate the outer wall of installing at lifter plate 6.

In this embodiment: through the mounting panel 11 that sets up, can provide installation space for worm 12, through rotating worm 12, can drive worm wheel 9 and rotate, through the unidirectional conductivity between worm 12 and the worm wheel 9, can effectively improve the stability when lifter plate 6 slides, effectively avoid worm wheel 9 to take place to reverse.

The sliding component comprises a rack 13 and a gear 14, wherein the rack 13 is fixedly arranged on the outer wall of the sliding plate 7, a sliding groove for the rack 13 to slide is formed in the outer wall of the lifting plate 6, the gear 14 is rotatably arranged on the outer wall of the lifting plate 6, and the outer wall of the gear 14 is meshed with the outer wall of the rack 13.

In this embodiment: when the sliding plate 7 needs to be slid, the rack 13 can be driven to slide by rotating the gear 14, and then the sliding plate 7 can be driven to horizontally slide along the inner wall of the lifting plate 6, so that the horizontal distance between the Fourier light source body 4 and the bearing table 2 is adjusted, and the defects of the Fourier light source body 4 in the different positions of the illuminated polaroid can be better adapted.

The outer wall of the lifting plate 6 is fixedly provided with a double-shaft motor 15, one output shaft of the double-shaft motor 15 is fixedly connected with the axial end of the gear 14, and the other output shaft of the double-shaft motor 15 is in transmission with the end part of the worm 12 through a bevel gear.

In this embodiment: the double-shaft motor 15 can be a common double-shaft output motor in the prior art, and can respectively control the motion of two axes, and the technical means is a technical scheme known to the person skilled in the art, and is not repeated herein, one of the output shafts of the double-shaft motor 15 is controlled to rotate, so that the gear 14 can be driven to rotate, the other output shaft of the double-shaft motor 15 is controlled to rotate, the worm 12 can be driven to rotate, and the power for the rotation of the gear 14 and the worm 12 is realized.

The guide block 10 is a T-shaped column, the inner wall of the guide groove is matched with the outer wall of the guide block 10, and the outer wall of the guide block 10 is in sliding fit with the inner wall of the guide groove.

In this embodiment: the guide block 10 is a T-shaped column, so that the guide block 10 can be effectively prevented from being separated from the inside of the guide groove, the sliding stability of the guide block 10 is improved, the sliding stability of the guide block 10 can be effectively improved by arranging the sliding fit between the outer wall of the guide block 10 and the inner wall of the guide groove, the shaking generated when the guide block 10 slides is reduced, and meanwhile, the sliding stability of the lifting plate 6 is improved.

Working principle: when the polaroid flaw detection is required, the polaroid to be detected can be placed on the bearing table 2, then the Fourier light source body 4 is started, the light source emits grid light rays with alternate brightness through the grid plate, and then the vertical image of the polaroid with the embossing flaw is shot by the Fourier camera body 3.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process-method-article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process-method-article or apparatus.

Although embodiments of the present utility model 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 to these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a polaroid detection device, includes bottom plate (1), is used for carrying out the fourier camera body (3) of flaw detection and is used for transmitting fourier light source body (4) of fourier light source to the polaroid, its characterized in that: the side wall of the base plate (1) is fixedly provided with a bearing table (2) for placing polaroids, two ends of the base plate (1) are fixedly provided with vertical plates (5), two Fourier camera bodies (3) are arranged on the side wall of the vertical plates (5) through extension plates, two corresponding Fourier camera bodies (3) on the bearing table (2) are provided with two placing positions for placing polaroids with different specifications, the side wall of the vertical plates (5) is slidably provided with a lifting plate (6), the inside of the lifting plate (6) is slidably provided with a sliding plate (7) for bearing the Fourier light source bodies (4), the Fourier light source bodies (4) are rotatably arranged on the inner wall of the sliding plate (7),

the outer wall of the lifting plate (6) is provided with a lifting assembly for controlling the lifting of the Fourier light source body (4);

the outer wall of the lifting plate (6) is provided with a sliding component for controlling the sliding plate (7) to slide.

2. The polarizer detection apparatus according to claim 1, wherein: the lifting assembly comprises a screw rod (8), a worm wheel (9) and a guide block (10), wherein the guide block (10) is fixedly installed on the outer wall of the lifting plate (6), a guide groove for the guide block (10) to slide is formed in the vertical plate (5), the screw rod (8) is fixedly installed on the inner wall of the guide groove, the worm wheel (9) is rotatably installed on the outer wall of the guide block (10), the inner wall of the guide block (10) is slidably connected with the outer wall of the screw rod (8), and the inner wall of the worm wheel (9) is connected with the outer wall of the screw rod (8) through internal and external screw threads.

3. The polarizer detection apparatus according to claim 2, wherein: the outer wall of the lifting plate (6) is provided with a worm (12), and the outer wall of the worm (12) is mutually matched with the outer wall of the worm wheel (9).

4. A polarizer detection apparatus according to claim 3, wherein: the outer wall of the lifting plate (6) is fixedly connected with a mounting plate (11), and the worm (12) is rotatably mounted on the outer wall of the lifting plate (6).

5. The polarizer detection apparatus according to claim 4, wherein: the sliding assembly comprises a rack (13) and a gear (14), wherein the rack (13) is fixedly arranged on the outer wall of the sliding plate (7), a sliding groove for the rack (13) to slide is formed in the outer wall of the lifting plate (6), the gear (14) is rotatably arranged on the outer wall of the lifting plate (6), and the outer wall of the gear (14) is meshed with the outer wall of the rack (13).

6. The polarizer detection apparatus according to claim 5, wherein: the outer wall fixed mounting of lifter plate (6) has biax motor (15), one of them output shaft of biax motor (15) with the axial end fixed connection of gear (14), another output shaft of biax motor (15) with the tip of worm (12) is through bevel gear transmission connection.

7. The polarizer detection apparatus according to claim 1, wherein: the outer wall fixedly connected with threaded rod of Fourier light source body (4), the threaded rod rotates and installs the inner wall of sliding plate (7), the outer wall of threaded rod with the inner wall of sliding plate (7) is through inside and outside screw thread cooperation connection.

8. The polarizer detection apparatus according to claim 7, wherein: one end of the threaded rod, which is far away from the Fourier light source body (4), is fixedly connected with a rotary disc (17).

9. The polarizer detection apparatus according to claim 2, wherein: the guide block (10) is a T-shaped column, and the inner wall of the guide groove is mutually matched with the outer wall of the guide block (10).

10. The polarizer detection apparatus according to claim 9, wherein: the outer wall of the guide block (10) is in sliding fit with the inner wall of the guide groove.