CN219715266U - Automatic appearance detection device of backlight shading sheet - Google Patents
Automatic appearance detection device of backlight shading sheet Download PDFInfo
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- CN219715266U CN219715266U CN202320846492.0U CN202320846492U CN219715266U CN 219715266 U CN219715266 U CN 219715266U CN 202320846492 U CN202320846492 U CN 202320846492U CN 219715266 U CN219715266 U CN 219715266U
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- frame
- outer frame
- fixedly connected
- detection device
- backlight
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- 238000001514 detection method Methods 0.000 title claims abstract description 60
- 238000007599 discharging Methods 0.000 claims abstract description 9
- 230000001502 supplementing effect Effects 0.000 claims description 7
- 238000009792 diffusion process Methods 0.000 claims description 4
- 240000005528 Arctium lappa Species 0.000 claims 2
- 238000005286 illumination Methods 0.000 abstract description 3
- 238000007689 inspection Methods 0.000 description 6
- 238000005096 rolling process Methods 0.000 description 6
- 238000004804 winding Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 206010027146 Melanoderma Diseases 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000504 luminescence detection Methods 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Abstract
The utility model discloses an automatic appearance detection device of a backlight shading sheet, which relates to the technical field of appearance detection devices of backlight shading sheets, and aims to solve the technical problems of low manual detection efficiency and low detection precision in the prior art, wherein the appearance detection device comprises an outer frame, a connecting block fixedly connected to the inner wall of the rear side of the outer frame, a luminous detection table fixedly connected to the front ends of the connecting block and the other connecting block, and arc angle discharging frames and arc angle feeding frames respectively arranged at the left end and the right end of the luminous detection table; the outer frame is internally provided with the unreeling component on the right side, the outer frame is internally provided with the reeling component on the left side, the appearance detection device adopts a full-automatic mode to detect, a vision camera is utilized to accurately identify the shading size of the backlight shading sheet, meanwhile, whether the surface of the backlight shading sheet has black spots or not is judged, the detection efficiency and the detection precision are greatly improved, the luminous detection table enables illumination to be uniform, and the position of the backlight shading sheet is ensured not to deviate during automatic detection.
Description
Technical Field
The utility model belongs to the technical field of appearance detection devices of backlight light shielding sheets, and particularly relates to an automatic appearance detection device of a backlight light shielding sheet.
Background
The backlight light shielding sheet can enable the light source to uniformly display through the light shielding sheet, enables the light irradiation intensity to be within a control range, is used for adjusting and optimizing light in the electronic display to achieve ideal compactness and uniformity, and is required to be subjected to appearance detection before being used by electronic products, so that the light shielding sheet meets the standard.
At present, when appearance detection is carried out on the anti-dazzling screen after production is finished, detection is generally carried out by adopting a mode of manual naked eye observation, so that whether black spots exist on the surface of the anti-dazzling screen or not is observed, the size of the anti-dazzling screen is measured by a measuring tool for manual work, but the accuracy of manual detection is low, eye workers are easy to fatigue for a long time, and the working efficiency is low.
Therefore, in order to solve the above problem of low detection accuracy, a solution is needed to improve the usage scenario of the detection device.
Disclosure of Invention
(1) Technical problem to be solved
Aiming at the defects of the prior art, the utility model aims to provide an automatic appearance detection device for a backlight shading sheet, which aims to solve the technical problems of low manual detection efficiency and low detection precision in the prior art.
(2) Technical proposal
In order to solve the technical problems, the utility model provides an automatic appearance detection device of a backlight shading sheet, which comprises an outer frame, a connecting block fixedly connected to the inner wall of the rear side of the outer frame, a luminous detection table fixedly connected to the front ends of the connecting block and the other connecting block, and arc angle discharging frames and arc angle feeding frames respectively arranged at the left end and the right end of the luminous detection table; the automatic feeding device comprises an outer frame, a winding assembly, a light supplementing lamp, a reciprocating assembly, a connecting rod, a guide plate and a lifting cylinder, wherein the winding assembly is arranged on the right side in the outer frame, the winding assembly is arranged on the left side in the outer frame, the light supplementing lamp is fixedly connected to the inner wall of the rear side of the outer frame, the reciprocating assembly is arranged at the upper end of an arc angle feeding frame, the connecting rod is symmetrically distributed around the left end of the reciprocating assembly, the guide plate is fixedly connected to the lower end of the connecting rod, the lifting cylinder is arranged at the lower end of the inner top of the outer frame, the connecting plate is fixedly connected to the lower end of the lifting cylinder, and a vision camera is arranged at the lower end of the connecting plate.
When the appearance detection device of the technical scheme is used, the outer frame of the backlight light shielding sheet passes through the middle of the guide plate, the reciprocating movement assembly drives the connecting rod to synchronously move inwards until the guide plate is attached to the backlight light shielding sheet, the other end of the backlight light shielding sheet winds on the outer side of the winding assembly, the light emitting detection table and the light supplementing lamp are turned on, the lifting cylinder drives the connecting plate to lift, the vision camera at the lower end of the connecting plate carries out appearance size and black spot detection on the backlight light shielding sheet, the winding assembly winds up while the unwinding assembly unwinds, the backlight light shielding sheet passes through the surfaces of the light emitting detection table, the arc angle discharging frame and the arc angle feeding frame, and when the vision camera detects that the appearance of the backlight light shielding sheet does not meet the requirements or the black spot, the device is stopped.
Further, the luminous detection table comprises a frame, a bottom plate fixedly connected to the lower end of the frame, and a reflecting film and a light guide plate sequentially and fixedly connected to the upper end of the bottom plate, wherein a diffusion plate is arranged at the lower end of the inner top of the frame, an LED lamp panel is arranged on the inner side of the frame, and the luminous detection table enables light rays irradiating the backlight shielding film to be more uniform.
Further, unreel subassembly and rolling subassembly all include first motor, fixed plate and inserted bar of fixed connection in proper order first motor front end makes the rolling of backlight shielding film and unreel and go on in step through unreeling subassembly and rolling subassembly, improves work efficiency.
Further, the reciprocating movement assembly comprises a U-shaped connecting frame, an open slot is formed in the inner side of the U-shaped connecting frame, a double-head ball screw is installed in the open slot, screw pairs which are symmetrically distributed around are installed on the outer side of the double-head ball screw, a second motor used for driving the double-head ball screw is installed at the rear end of the U-shaped connecting frame, and rotary movement of the double-head ball screw is converted into linear movement through the screw pairs, so that the distance between guide plates is adjusted.
Further, rotatable first guide roller and second guide roller are installed to outer frame rear side inner wall, first guide roller and second guide roller are installed respectively in the below of circular arc angle discharge frame and circular arc angle feed frame, through the design of first guide roller and second guide roller, make backlight shielding film and the better laminating of luminous detection platform.
Further, unreeling and reeling discs are respectively arranged on the outer sides of the unreeling assembly and the reeling assembly, so that reeling and unreeling of the backlight shading sheets are facilitated.
Further, the display screen is installed to outer frame front end upside, outer frame front end rotates and is connected with the cabinet door, guarantees that dust can not get into in the outer frame when detecting.
(3) Advantageous effects
Compared with the prior art, the utility model has the beneficial effects that: the appearance detection device provided by the utility model adopts a full-automatic mode to detect, a vision camera is utilized to accurately identify the shading size of the backlight shading sheet, meanwhile, whether the surface of the backlight shading sheet has black spots or not is judged, the detection efficiency and the detection precision are greatly improved, the illumination is uniform through the luminous detection table, the illumination effect is improved by utilizing the light supplementing lamp, the distance between the guide plates is adjusted through the reciprocating movement assembly, and the position of the backlight shading sheet is ensured not to deviate during automatic detection.
Drawings
FIG. 1 is a schematic diagram of a split structure of an embodiment of an appearance inspection device according to the present utility model;
FIG. 2 is a schematic perspective view of an embodiment of an appearance detecting device according to the present utility model;
FIG. 3 is a schematic diagram illustrating an assembly of a light emitting inspection stage according to an embodiment of the appearance inspection device of the present utility model;
fig. 4 is an assembly schematic diagram of a reciprocating assembly in an embodiment of the appearance inspection device of the present utility model.
The marks in the drawings are: 1. an outer frame; 2. a connecting block; 3. a luminescence detection stage; 31. a frame; 32. a bottom plate; 33. a reflective film; 34. a light guide plate; 35. a diffusion plate; 36. an LED lamp panel; 4. arc angle discharging rack; 5. arc angle feeding frame; 6. unreeling the assembly; 7. a winding assembly; 71. a first motor; 72. a fixing plate; 73. a rod; 8. a light supplementing lamp; 9. a reciprocating assembly; 91. a U-shaped connecting frame; 92. an open slot; 93. double-ended ball screw; 94. a screw pair; 95. a second motor; 10. a connecting rod; 11. a guide plate; 12. a lifting cylinder; 13. a connecting plate; 14. a vision camera; 15. a first guide roller; 16. a second guide roller; 17. placing a reel; 18. a reel; 19. a display screen; 20. and a cabinet door.
Detailed Description
The automatic appearance detection device of the backlight shading sheet comprises an outer frame 1, a connecting block 2 fixedly connected to the inner wall of the rear side of the outer frame 1, a luminous detection table 3 fixedly connected to the front ends of the connecting block 2 and the other connecting block 2, and an arc angle discharging frame 4 and an arc angle feeding frame 5 respectively arranged at the left end and the right end of the luminous detection table 3, wherein the split structure schematic diagram of the automatic appearance detection device is shown in fig. 1, and the three-dimensional structure schematic diagram of the automatic appearance detection device is shown in fig. 2; unreeling component 6 is installed on the right side in outer frame 1, rolling component 7 is installed in the left side in outer frame 1, outer frame 1 rear side inner wall fixedly connected with light filling lamp 8, reciprocating movement subassembly 9 is installed to circular arc angle feeding frame 5 upper end, connecting rod 10 of front and back symmetric distribution is installed to reciprocating movement subassembly 9 left end, connecting rod 10 lower extreme fixedly connected with deflector 11, lifting cylinder 12 is installed at the top lower extreme in outer frame 1, lifting cylinder 12 lower extreme fixedly connected with connecting plate 13, visual camera 14 is installed to connecting plate 13 lower extreme.
The light-emitting detection table 3 comprises a frame 31, a bottom plate 32 fixedly connected to the lower end of the frame 31, a reflecting film 33 and a light guide plate 34 sequentially fixedly connected to the upper end of the bottom plate 32, a diffusion plate 35 is arranged at the lower end of the inner top of the frame 31, an LED lamp panel 36 is arranged on the inner side of the frame 31, and the unreeling assembly 6 and the reeling assembly 7 respectively comprise a first motor 71, a fixing plate 72 sequentially fixedly connected to the front end of the first motor 71 and an inserting rod 73.
Meanwhile, the reciprocating assembly 9 comprises a U-shaped connecting frame 91, an open slot 92 is formed in the inner side of the U-shaped connecting frame 91, a double-head ball screw 93 is installed in the open slot 92, a screw pair 94 which is symmetrically distributed around is installed on the outer side of the double-head ball screw 93, a second motor 95 used for driving the double-head ball screw 93 is installed at the rear end of the U-shaped connecting frame 91, a first guide roller 15 and a second guide roller 16 which are rotatable are installed on the inner wall of the rear side of the outer frame 1, and the first guide roller 15 and the second guide roller 16 are respectively installed below the circular arc angle discharging frame 4 and the circular arc angle feeding frame 5.
In addition, unreel subassembly 6 and the outside of rolling subassembly 7 are installed respectively and are unreeled reel 17 and rolling dish 18, display screen 19 is installed to outer frame 1 front end upside, outer frame 1 front end rotates and is connected with cabinet door 20.
In the appearance inspection device, an assembly schematic view of the luminescence inspection table 3 is shown in fig. 3, and an assembly schematic view of the reciprocating assembly 9 is shown in fig. 4.
When the appearance detection device of the technical scheme is used, the outer frame 1 of the backlight light shielding sheet on the outer side of the unreeling disc 17 passes through the middle of the guide plate 11, the second motor 95 drives the double-end ball screw 93 in the opening groove 92 on the inner side of the U-shaped connecting frame 91 to rotate, the screw pair 94 on the outer side of the double-end ball screw 93 converts rotary motion into linear motion, the connecting rod 10 is driven to synchronously move inwards until the guide plate 11 is attached to the backlight light shielding sheet, the other end of the backlight light shielding sheet winds the outer side of the reeling assembly 7, the luminous detection table 3 and the light supplementing lamp 8 are opened, the lifting cylinder 12 drives the connecting plate 13 to lift, the visual camera 14 at the lower end of the connecting plate 13 carries out appearance size and black spot detection on the backlight light shielding sheet, the reeling disc 18 on the outer side of the reeling assembly 7 is reeled while the unreeling disc 17 is unreeled on the outer side of the unreeling assembly 6, the backlight light shielding sheet passes through the luminous detection table 3, the circular arc angle discharging frame 4 and the circular arc angle feeding frame 5, and the device is stopped when the visual camera 14 detects that the appearance of the backlight light shielding sheet does not meet requirements or black spots.
Claims (7)
1. The automatic appearance detection device comprises an outer frame, a connecting block fixedly connected to the inner wall of the rear side of the outer frame, a luminous detection table fixedly connected to the front ends of the connecting block and the other connecting block, and arc angle discharging frames and arc angle feeding frames respectively arranged at the left end and the right end of the luminous detection table; the automatic feeding device is characterized in that an unreeling component is mounted on the right side in the outer frame, a reeling component is mounted on the left side in the outer frame, a light supplementing lamp is fixedly connected to the inner wall of the rear side of the outer frame, a reciprocating component is mounted at the upper end of the circular arc angle feeding frame, a connecting rod which is distributed in a front-back symmetrical mode is mounted at the left end of the reciprocating component, a guide plate is fixedly connected to the lower end of the connecting rod, a lifting cylinder is mounted at the lower end of the top in the outer frame, a connecting plate is fixedly connected to the lower end of the lifting cylinder, and a vision camera is mounted at the lower end of the connecting plate.
2. The automatic appearance detection device of a backlight shading sheet according to claim 1, wherein the luminous detection table comprises a frame, a bottom plate fixedly connected to the lower end of the frame, a reflecting film and a light guide plate sequentially and fixedly connected to the upper end of the bottom plate, a diffusion plate is installed at the lower end of the inner top of the frame, and an LED lamp panel is installed at the inner side of the frame.
3. The automatic appearance detection device of a backlight gobo of claim 1, wherein the unreeling assembly and the reeling assembly each comprise a first motor, a fixing plate and an inserting rod which are sequentially and fixedly connected to the front end of the first motor.
4. The automatic appearance detection device of a backlight light shielding sheet according to claim 1, wherein the reciprocating assembly comprises a U-shaped connecting frame, an open slot is formed in the inner side of the U-shaped connecting frame, a double-head ball screw is installed in the open slot, screw pairs which are symmetrically distributed around are installed on the outer side of the double-head ball screw, and a second motor for driving the double-head ball screw is installed at the rear end of the U-shaped connecting frame.
5. The automatic appearance detection device of a backlight shading sheet according to claim 1, wherein a first guide roller and a second guide roller which are rotatable are installed on the inner wall of the rear side of the outer frame, and the first guide roller and the second guide roller are respectively installed below the circular arc angle discharging frame and the circular arc angle feeding frame.
6. The automatic appearance detection device of claim 1, wherein the unreeling assembly and the reeling assembly are respectively provided with an unreeling reel and a reeling reel on the outer sides.
7. The automatic appearance detection device of a backlight gobo according to claim 1, wherein a display screen is installed on the upper side of the front end of the outer frame, and a cabinet door is rotatably connected to the front end of the outer frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320846492.0U CN219715266U (en) | 2023-04-17 | 2023-04-17 | Automatic appearance detection device of backlight shading sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320846492.0U CN219715266U (en) | 2023-04-17 | 2023-04-17 | Automatic appearance detection device of backlight shading sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219715266U true CN219715266U (en) | 2023-09-19 |
Family
ID=87980501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320846492.0U Active CN219715266U (en) | 2023-04-17 | 2023-04-17 | Automatic appearance detection device of backlight shading sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219715266U (en) |
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2023
- 2023-04-17 CN CN202320846492.0U patent/CN219715266U/en active Active
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