Intelligent detection device for surface defects of oversized composite optical film

Abstract

The utility model relates to the technical field of surface defect detection devices, and discloses an intelligent detection device for surface defects of an oversized composite optical film, which comprises a metal fixing support, a detection light source is fixed on the outer side of the metal fixing support, and a projection surface shooting camera is arranged on the outer side of the metal fixing support; the device is provided with the angle adjusting mechanism, so that the effect of finely adjusting the overall fixing position of the reflector for detection is realized, the dark part level of an object is shown, the overall contrast of an image is improved, the color cast phenomenon in the image is favorably corrected, and the purpose of intelligent detection of surface defects of an oversized composite optical film is achieved; the device is provided with the supporting mechanism, the bottom of the reflection shooting camera is supported in an auxiliary mode through the top of the carbon steel threaded column, the position of the carbon steel threaded column in the vertical direction can be adjusted, and the purpose of ensuring the stability of the placement structure of the reflection shooting camera and the stability of reflection shooting is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to surface defect detection device technical field, concretely is a kind of super large size composite optical film surface defect intelligent detection device. BACKGROUND

[0002] Composite optical film is a kind of material widely used in optical field, it is by the film layer of different performance together to realize specific optical effect by compounding, these film layers can include diffusion film, light enhancement film, prism sheet etc., they each have different functions, such as increasing light uniformity, improving brightness, reducing astigmatic angle etc., composite optical film subtle appearance defect needs to use surface defect intelligent detection device to detect;

[0003] Chinese patent discloses a kind of defect detection method of optical composite film (authorized announcement number CN 115797299B), the patent technology, including: obtaining the first significant factor of each pixel point, second significant factor and the significant value of each pixel point;Obtain normal area in optical composite film surface image, other areas except normal area are as defect area in optical composite film surface image;According to the model parameter of each pixel point corresponding subgaussian model in normal area and defect area, the number of pixel points in defect area, the significant value of each pixel point and the number of pixel points in optical composite film surface image, the defect degree of optical composite film surface is obtained, according to the defect degree of optical composite film surface and preset defect degree threshold value, whether optical composite film exists defect is judged.The present application improves the accuracy of optical composite film surface defect detection.

[0004] However, the existing defect detection equipment in the process of use, when detecting super large size composite optical film subtle appearance defect, there can be light insufficient condition, there can also be the problem of color cast, affect detection effect therefore, the technical personnel of the prior art provide a kind of super large size composite optical film surface defect intelligent detection device to solve the problems presented in the above background. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of super large size composite optical film surface defect intelligent detection device to solve the problems presented in the above background.

[0006] In order to solve the above technical problems, the utility model provides technical scheme as follows: A kind of super large size composite optical film surface defect intelligent detection device, the outer side of the metal fixed support is fixed with detection light source, the outer side of the metal fixed support is provided with projection surface shooting camera, the outer side of the metal fixed support is installed with detection camera, the outer side of the metal fixed support is provided with detection grid light source, the outer side of the metal fixed support is fixed with detection point light source, the outer side of the metal fixed support is provided with angle adjusting mechanism, the outer side of the angle adjusting mechanism is connected with detection light-reflecting plate, the outer side of the metal fixed support is fixed with support mechanism, the outer side of the metal fixed support is provided with reflection shooting camera.

[0007] As a further scheme of the utility model: the angle adjusting mechanism includes metal shell, the side inner wall of the metal shell is fixed with metal mounting block, the outer side of the metal mounting block is connected with DC servo motor, the output shaft outer side of the DC servo motor is fixed with first bevel gear, the outer side of the first bevel gear is engaged with second bevel gear, the eccentricity of one side of the second bevel gear is fixed with metal mounting column, one end of the metal mounting column is provided with metal connecting seat, the second bevel gear and the metal shell are connected by connecting shaft, one side of the metal shell is fixed with reinforcing pad.

[0008] As a further scheme of the utility model: the outer side of the metal mounting column is fixed with limit block, a plurality of ventilation holes are formed in the inside of the metal shell, and a connecting slot is formed in the inside of the metal shell.

[0009] As a further scheme of the utility model: the metal shell and the metal fixed support are fixedly connected, and the metal connecting seat and the detection light-reflecting plate are fixedly connected.

[0010] As a further scheme of the utility model: the support mechanism includes mounting shell, the side of the mounting shell is fixed with cast iron support, the inner top wall of the mounting shell is provided with reset spring, the bottom of the reset spring is connected with fixed mounting block, the top of the fixed mounting block is fixed with carbon steel threaded column penetrating through the bottom thereof, one end of the carbon steel threaded column is fixed with mounting connecting pad, the outer side of the carbon steel threaded column is threadedly connected with carbon steel nut, and the side of the fixed mounting block is fixed with guide mounting block.

[0011] As a further scheme of the utility model: the cast iron support and the metal fixed support are fixedly connected, and the side of the fixed mounting block is provided with cast iron sleeve.

[0012] As a further scheme of the utility model: the inside of the cast iron sleeve is rotatably connected with guide roller through pivot, and the top of the carbon steel threaded column is attached to the bottom of the reflection shooting camera.

[0013] As a further scheme of the utility model: the outside of the detection reflector is rotationally connected with a mounting frame through a rotating shaft, and the mounting frame is fixedly connected with the metal fixing support.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] 1. The device is provided with an angle adjusting mechanism, a detection point light source is arranged to project on the detection reflector, the detection reflector serves as a projection surface, the detection reflector can be photographed by a projection surface camera, so that the projection surface is photographed, and the position of the detection reflector is adjusted conveniently, the detection reflector can only be adjusted in angle and is limited during adjustment, the overall fixed position of the detection reflector is fine adjusted, the dark part level of an object is displayed, the overall contrast of an image is improved, color deviation in the image is corrected, and the purpose of intelligent detection of surface defects of an ultra-large size composite optical film is achieved;

[0016] 2. The device is provided with a supporting mechanism, when a reflection camera is used, mainly for reflection photography, in order to ensure the stability of the placement structure of the reflection camera and the stability of reflection photography, the bottom of the reflection camera is assisted and supported through the top of the carbon steel threaded column, the position of the carbon steel threaded column in the vertical direction can be adjusted through the rotation of the carbon steel nut, and the stability of the placement structure of the reflection camera and the stability of reflection photography are ensured. BRIEF DESCRIPTION OF DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the utility model, constitute a part of the specification, are used together with the embodiments of the utility model to explain the utility model, and do not constitute a limitation on the utility model. In the drawings:

[0018] Figure 1 is a front view of the utility model;

[0019] Figure 2 is a schematic view of the internal structure of the angle adjusting mechanism of the utility model;

[0020] Figure 3 is a schematic view of the internal structure of the supporting mechanism of the utility model;

[0021] Figure 4 is another schematic view of the internal structure of the supporting mechanism of the utility model;

[0022] In the figure: 1, metal fixing support; 2, detection light source; 3, projection surface shooting camera; 4, detection camera; 5, detection grid light source; 6, detection point light source; 7, angle adjusting mechanism; 71, metal shell; 72, metal mounting block; 73, DC servo motor; 74, first bevel gear; 75, second bevel gear; 76, metal mounting column; 77, metal connecting seat; 78, connecting shaft; 79, reinforcing pad; 710, limiting block; 711, ventilation hole; 712, connecting groove; 8, supporting mechanism; 81, mounting shell; 82, cast iron support; 83, return spring; 84, carbon steel threaded column; 85, mounting connecting pad; 86, carbon steel nut; 87, fixed mounting block; 88, guide mounting block; 89, cast iron sleeve; 810, guide roller; 9, reflection shooting camera; 10, detection reflector. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Please refer to Figures 1-2 The utility model provides a kind of super large size composite optical film surface defect intelligent detection device, detection light source 2 is fixed on the outside of metal fixing support 1, detection light source 2 is area light source, can evenly irradiate a certain area, its characteristics are that light is emitted from a larger planar area, detection light source 2 not only provides necessary illumination condition, but also improves imaging quality and detection precision, projection surface shooting camera 3 is arranged on the outside of metal fixing support 1, detection camera 4 is installed on the outside of metal fixing support 1, detection grid light source 5 is arranged on the outside of metal fixing support 1, detection point light source 6 is fixed on the outside of metal fixing support 1, angle adjusting mechanism 7 is arranged on the outside of metal fixing support 1, detection reflector 10 is connected on the outside of angle adjusting mechanism 7, supporting mechanism 8 is fixed on the outside of metal fixing support 1, reflection shooting camera 9 is arranged on the outside of metal fixing support 1;

[0025] The angle adjusting mechanism 7 comprises a metal shell 71, one side inner wall of the metal shell 71 is fixedly provided with a metal mounting block 72, the outer side of the metal mounting block 72 is connected with a DC servo motor 73, the output shaft outer side of the DC servo motor 73 is fixedly provided with a first bevel gear 74, the outer side of the first bevel gear 74 is engaged with a second bevel gear 75, the eccentric side of the second bevel gear 75 is fixedly provided with a metal mounting column 76, one end of the metal mounting column 76 is provided with a metal connecting seat 77, the metal connecting seat 77 is fixedly connected between the metal shell 71 and the metal fixed support 1, the metal connecting seat 77 is fixedly connected with the detection light-reflecting plate 10, the second bevel gear 75 and the metal shell 71 are connected through a connecting shaft 78, one side of the metal shell 71 is fixedly provided with a reinforcing pad 79, the outer side of the metal mounting column 76 is fixedly provided with a limiting block 710, a plurality of ventilation holes 711 are formed in the inner side of the metal shell 71, and a connecting groove 712 is formed in the inner side of the metal shell 71.

[0026] During use, firstly, the detection camera 4 is used for imaging detection of the subtle appearance defects of the super-large-size composite optical film, the reflection camera 9 is used for reflection shooting, then the detection point light source 6 is used for projection on the detection light-reflecting plate 10, the detection light-reflecting plate 10 is used as a projection surface, the detection light-reflecting plate 10 is shot by the projection surface camera 3, so that the projection surface is shot, when the position of the detection light-reflecting plate 10 needs to be adjusted, the DC servo motor 73 is started to drive the first bevel gear 74 to rotate, the first bevel gear 74 drives the second bevel gear 75 engaged with the first bevel gear 74 to rotate, the metal mounting column 76 on the outer side of the second bevel gear 75 is eccentrically arranged, so that the metal mounting column 76 drives the metal connecting seat 77 and the detection light-reflecting plate 10 fixedly connected with the metal connecting seat 77 to move at the same time, and is locked after being adjusted to the appropriate position, so that the effect of fine adjustment of the overall fixed position of the detection light-reflecting plate 10 is realized, the dark part level of the object is displayed, the overall contrast of the image is improved, the color cast phenomenon in the image is corrected, and the imaging detection of the subtle appearance defects of the super-large-size composite optical film is facilitated.

[0027] Please refer to Figure 1 and Figures 3-4The utility model provides a kind of super large size composite optical film surface defect intelligent detection device, support mechanism 8 includes installation shell 81, cast iron support 82 is fixed in one side of installation shell 81, the inner top wall of installation shell 81 is provided with reset spring 83, the bottom of reset spring 83 is connected with fixed mounting block 87, the top of fixed mounting block 87 is fixed with the carbon steel threaded column 84 that penetrates its bottom, one end of carbon steel threaded column 84 is fixed with installation connecting pad 85, carbon steel threaded column 84 is connected with carbon steel nut 86 outside thread, one side of fixed mounting block 87 is fixed with guide mounting block 88, fixed connection between cast iron support 82 and metal fixed support 1, one side of fixed mounting block 87 is provided with cast iron sleeve 89, the inside of cast iron sleeve 89 is rotatably connected with guide roller 810 by pivot, the top of carbon steel threaded column 84 and the bottom of reflection camera 9 are pasted, the outside of detection light board 10 is rotatably connected with mounting rack by pivot, and the mounting rack is fixedly connected with metal fixed support 1.

[0028] The device in use, when reflection camera 9 is used, mainly carries out reflection photograph, in order to ensure that reflection camera 9 is placed structure stable and the stability of reflection photograph, through reset spring 83 in installation shell 81 vertical direction pull fixed mounting block 87 activity, at this time fixed mounting block 87 can drive carbon steel threaded column 84 fixedly connected with it and move simultaneously, and the bottom of reflection camera 9 is assisted by the top of carbon steel threaded column 84 Support, the position of carbon steel threaded column 84 vertical direction can also be adjusted by the mode of rotating carbon steel nut 86, ensure that the purpose of reflection camera 9 is placed structure stable and the stability of reflection photograph.

[0029] Finally, it should be noted that: the above is only preferred embodiment of the utility model, and is not used to limit the utility model, although the utility model is described in detail with reference to the foregoing embodiment, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A smart detection device for surface defects of ultra-large composite optical films, comprising a metal fixing bracket (1), characterized in that, A detection light source (2) is fixed on the outside of the metal fixing bracket (1), a projection surface camera (3) is provided on the outside of the metal fixing bracket (1), a detection camera (4) is installed on the outside of the metal fixing bracket (1), a detection grid light source (5) is provided on the outside of the metal fixing bracket (1), a detection point light source (6) is fixed on the outside of the metal fixing bracket (1), an angle adjustment mechanism (7) is provided on the outside of the metal fixing bracket (1), a detection reflector (10) is connected to the outside of the angle adjustment mechanism (7), a support mechanism (8) is fixed on the outside of the metal fixing bracket (1), and a reflection camera (9) is provided on the outside of the metal fixing bracket (1).

2. The intelligent detection device for surface defects of ultra-large composite optical films according to claim 1, characterized in that, The angle adjustment mechanism (7) includes a metal housing (71), a metal mounting block (72) is fixed to the inner wall of one side of the metal housing (71), a DC servo motor (73) is connected to the outer side of the metal mounting block (72), a first bevel gear (74) is fixed to the outer side of the output shaft of the DC servo motor (73), a second bevel gear (75) meshes with the outer side of the first bevel gear (74), a metal mounting post (76) is fixed to the eccentric part of one side of the second bevel gear (75), a metal connecting seat (77) is installed at one end of the metal mounting post (76), the second bevel gear (75) and the metal housing (71) are connected by a connecting shaft (78), and a reinforcing pad (79) is fixed to one side of the metal housing (71).

3. The intelligent detection device for surface defects of ultra-large composite optical films according to claim 2, characterized in that, A limiting block (710) is fixed on the outside of the metal mounting post (76), and a plurality of ventilation holes (711) are provided inside the metal shell (71), and a connecting groove (712) is provided inside the metal shell (71).

4. The intelligent detection device for surface defects of ultra-large composite optical films according to claim 2, characterized in that, The metal casing (71) and the metal fixing bracket (1) are fixedly connected, and the metal connecting seat (77) is fixedly connected to the detection reflector (10).

5. The intelligent detection device for surface defects of ultra-large composite optical films according to claim 1, characterized in that, The support mechanism (8) includes a mounting housing (81), a cast iron bracket (82) is fixed to one side of the mounting housing (81), a return spring (83) is provided on the inner top wall of the mounting housing (81), a fixed mounting block (87) is connected to the bottom of the return spring (83), a carbon steel threaded post (84) penetrating through the bottom is fixed to the top of the fixed mounting block (87), a mounting connection pad (85) is fixed to one end of the carbon steel threaded post (84), a carbon steel nut (86) is threaded to the outer side of the carbon steel threaded post (84), and a guide mounting block (88) is fixed to one side of the fixed mounting block (87).

6. The intelligent detection device for surface defects of ultra-large composite optical films according to claim 5, characterized in that, The cast iron bracket (82) and the metal fixing bracket (1) are fixedly connected, and a cast iron sleeve (89) is provided on one side of the fixing block (87).

7. The intelligent detection device for surface defects of ultra-large composite optical films according to claim 6, characterized in that, The cast iron sleeve (89) is rotatably connected to a guide roller (810) via a rotating shaft, and the top of the carbon steel threaded column (84) is in contact with the bottom of the reflective imaging camera (9).

8. The intelligent detection device for surface defects of ultra-large composite optical films according to claim 6, characterized in that, The outer side of the detection reflector (10) is rotatably connected to a mounting bracket via a rotating shaft, and the mounting bracket is fixedly connected to the metal fixing bracket (1).

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