CN114047205A - Defect detection equipment for backlight plate - Google Patents

Defect detection equipment for backlight plate Download PDF

Info

Publication number
CN114047205A
CN114047205A CN202210029121.3A CN202210029121A CN114047205A CN 114047205 A CN114047205 A CN 114047205A CN 202210029121 A CN202210029121 A CN 202210029121A CN 114047205 A CN114047205 A CN 114047205A
Authority
CN
China
Prior art keywords
plate
backlight plate
riser
base
fixedly connected
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202210029121.3A
Other languages
Chinese (zh)
Inventor
卢德军
王根朋
苏小平
吉雨翔
黄宏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nantong Longdeli Photoelectric Technology Co ltd
Original Assignee
Nantong Longdeli Photoelectric Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nantong Longdeli Photoelectric Technology Co ltd filed Critical Nantong Longdeli Photoelectric Technology Co ltd
Priority to CN202210029121.3A priority Critical patent/CN114047205A/en
Publication of CN114047205A publication Critical patent/CN114047205A/en
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/95Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/01Arrangements or apparatus for facilitating the optical investigation
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/1306Details
    • G02F1/1309Repairing; Testing

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Nonlinear Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)

Abstract

The invention discloses a backlight plate defect detection device which comprises a base and a fixing frame fixedly arranged on the base, wherein a vertical plate is arranged in the fixing frame in a sliding mode, a fixing plate is fixedly arranged on the front surface of the vertical plate, the front surface of the vertical plate is connected with an adjusting mechanism used for irradiating the surface of a backlight plate at different angles, a second camera used for photographing and collecting defects on the surface of the backlight plate under different angles is fixedly arranged in the middle of the fixing plate through a mounting column, and a light supplementing plate used for irradiating is fixedly connected to an extension rod. The backlight plate can illuminate the upper surface of the backlight plate in different directions by deflection of the light compensation plate at different positions, and can acquire images of the backlight plate under different illumination by matching with the arrangement of the second camera, so that the detection accuracy is further improved.

Description

Defect detection equipment for backlight plate
Technical Field
The invention relates to the technical field of backlight plate production, in particular to a backlight plate flaw detection device.
Background
The backlight plate is a light source device used for ensuring the brightness of the back of the liquid crystal display screen, the liquid crystal display device is transparent and can not emit light, so the backlight plate is needed to assist, in the production process of the liquid crystal display screen, after the product is processed, whether flaws such as scratches, stains and the like exist on the surface of the product generally needs to be detected, and the backlight plate needs to be detected. The defect detection equipment for the existing backlight plate detects the backlight plate to be detected under the irradiation of light in the using process, different reflecting surfaces can be generated due to different illumination angles, so that part of defects can not be displayed, and detection errors can occur easily.
Disclosure of Invention
The invention aims to provide a backlight plate flaw detection device, which can illuminate the upper surface of a backlight plate in different directions by deflecting different positions of a light supplement plate, and can collect images of the backlight plate under different illumination by matching with the arrangement of a second camera, so that the detection accuracy is further improved, and the problem in the background technology is solved.
In order to achieve the purpose, the invention provides the following technical scheme: a backlight plate defect detection device comprises a base and a fixing frame fixedly mounted on the base, wherein a vertical plate is slidably mounted in the fixing frame, a fixing plate is fixedly mounted on the front surface of the vertical plate, the front surface of the vertical plate is connected with an adjusting mechanism used for irradiating the surface of a backlight plate at different angles, and a second camera used for photographing and collecting defects on the surface of the backlight plate under different angles of illumination is fixedly mounted in the middle of the fixing plate through a mounting column;
adjustment mechanism includes rotatable rotating ring and spacing groove, the front at the fixed plate is seted up in the spacing groove, the rotating ring openly rotates through the round pin axle and installs two relative connecting strips that set up, two the connecting strip is close to the one end of spacing groove and is fixed with the stopper, the spacing slip of stopper is in the spacing inslot portion, two the connecting strip is kept away from the one end difference fixedly connected with horizontal pole of spacing groove, the one end fixedly connected with extension rod of connecting strip is kept away from to the horizontal pole, fixedly connected with is used for irradiant light filling board on the extension rod.
Preferably, the swivel becket rotates and installs in the front of riser, still be connected with on the riser and be used for making riser intermittent type pivoted actuating mechanism, actuating mechanism includes the motor, motor fixed mounting is in the front of riser, the output shaft fixed mounting of riser has incomplete gear, the outer wall annular array of swivel becket have with incomplete gear engagement's tooth.
Preferably, the side wall of one of the cross bars is fixedly connected with a first camera for collecting at different positions through an extension bar.
Preferably, the base is internally provided with a supporting mechanism for supporting the backlight plate, the supporting mechanism comprises two sliding rails, the two sliding rails are fixedly arranged on the inner wall of the base, sliding blocks are respectively and slidably arranged in the two sliding rails, and a supporting plate for placing the backlight plate is connected between the two sliding blocks.
Preferably, still be provided with on the base and be used for the spacing stop gear to the board that is shaded, stop gear includes two splint, two splint pass through slide bar slidable mounting on the lateral wall of base, the base lateral wall of splint top rotates and installs the screw rod, the outer wall threaded connection of screw rod has two pole covers, two the bottom of pole cover respectively with two splint fixed connection, the one end that the second camera was kept away from to the screw rod extends to base outer wall and fixedly connected with handle.
Preferably, the last control mechanism who is used for adjusting the riser height that still is connected with of stop gear, control mechanism includes rectangle piece and L connecting rod, the rectangle piece passes through movable rod slidable mounting at the mount top, the movable rod bottom extends to the mount inside and fixed with the back of riser, L connecting rod fixed mounting is in the one end of one of them slide bar, the top fixedly connected with second mounting panel of L connecting rod, the chute has been seted up on the second mounting panel, the rectangle piece back has the lug through fixed strip fixed mounting, the spacing slidable mounting of lug is inside the chute.
Preferably, the inner wall that the base is close to the riser is connected with and is used for the feed mechanism to the board intermittent type of being shaded gos forward, feed mechanism includes first mounting panel, first mounting panel slidable mounting is in the bottom of riser, the upper surface linear array of first mounting panel distributes and has the voussoir, fixedly connected with and voussoir assorted driving lever on the lateral wall of first camera place extension rod, first mounting panel lower surface passes through telescopic link and backup pad upper surface fixed connection.
Preferably, still fixedly connected with solid fixed ring on the riser, gu fixed ring inner wall annular array has and is used for a plurality of collection electric potentials, swivel ring outer wall fixedly connected with gather electric potential assorted electric block.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, through the arranged adjusting mechanism, when the rotating ring rotates intermittently, due to the limiting effect of the limiting block and the limiting groove, the light supplementing plate fixedly connected with one end of the connecting strip is matched, so that the light supplementing plate can be further driven to do circular motion around the limiting groove, under the limiting effect of the limiting block and the limiting groove, the angle self-adaptive deflection of the light supplementing plate can be further realized, the upper surface of the backlight plate can be illuminated in different directions through the deflection of different positions of the light supplementing plate, and the image acquisition can be carried out on the backlight plate under different illumination by matching with the arrangement of the second camera, so that the detection accuracy can be further improved.
2. According to the invention, the annular array on the inner wall of the fixed ring is used for matching a plurality of acquisition potentials with the electric block, when the rotating ring rotates, the electric block can be further driven to rotate to the corresponding acquisition potentials, so that the image classification acquisition and recording of the backlight plates under different illumination can be conveniently carried out, and the working efficiency is further improved.
3. According to the invention, through the arrangement of the first camera, when the rotating ring rotates intermittently, the position of the first camera can be changed, and the detection quality can be further improved while the detection range is improved through shooting of the first camera at different angles.
4. According to the invention, through the arranged deflector rod, when the first camera gradually moves downwards clockwise, the limiting block generates downward and upward arc deflection under the limiting action of the inclined arc groove in the limiting groove at the moment, the first mounting plate can be further driven to intermittently move forwards under the combined action of the deflector rod and the wedge block, the detection of the upper position is finished at the moment, when the light supplementing plate irradiates the upper surface of the supporting plate again, the detection of the next position is started, and the feeding type detection can be carried out on the backlight plate in such a circulating manner, so that the quality and the efficiency are further detected.
5. According to the invention, the handle is manually rotated to further drive the screw rod to rotate, and the screw threads on the outer wall of the screw rod can further drive the two rod sleeves to move in opposite directions, so that the two clamping plates can be adjusted to approach each other, and the backlight plate can be guided to be always positioned right below the second camera through the limiting effect of the clamping plates, so that the acquisition accuracy is improved conveniently.
6. According to the invention, through the arranged control mechanism, after the positions of the two clamping plates are fixed, the second mounting plate can be further driven to move through the moving distance of the sliding rod, the vertical plate can be further adjusted by the up-and-down movement of the rectangular block due to the matching of the inclined groove and the convex block, so that the height of the vertical plate can be adjusted, the object distance between the second camera and the first camera and the backlight plate can be adjusted, and when the backlight plate is wider, the height position of the fixing plate is relatively higher, so that the shooting range is wider.
Drawings
FIG. 1 is a schematic side-view perspective of the present invention;
FIG. 2 is a schematic front perspective view of the present invention;
FIG. 3 is a schematic diagram of a right-side perspective view of the present invention;
FIG. 4 is a schematic side view of the present invention;
fig. 5 is a schematic front view of the present invention.
In the figure: 1. a rectangular block; 2. a movable rod; 3. a motor; 4. an incomplete gear; 5. a deflector rod; 6. an extension rod; 7. a first camera; 8. an extension bar; 9. a second camera; 10. mounting a column; 11. a light supplementing plate; 12. a base; 13. a slide bar; 14. a screw; 15. a support plate; 16. a slider; 17. a slide rail; 18. a splint; 19. a rod sleeve; 20. a wedge block; 21. a first mounting plate; 22. a fixing ring; 23. an electrical block; 24. a connecting strip; 25. a limiting block; 26. a rotating ring; 27. teeth; 28. a fixing plate; 29. a limiting groove; 30. a cross bar; 31. a vertical plate; 32. a fixed mount; 33. an L-shaped connecting rod; 34. a bump; 35. a second mounting plate; 36. a telescopic rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 5, the present invention provides a technical solution: a backlight plate defect detection device comprises a base 12 and a fixing frame 32 fixedly mounted on the base 12, wherein a vertical plate 31 is slidably mounted in the fixing frame 32, a fixing plate 28 is fixedly mounted on the front surface of the vertical plate 31, the front surface of the vertical plate 31 is connected with an adjusting mechanism for irradiating the surface of a backlight plate at different angles, and a second camera 9 for photographing and collecting the surface defects of the backlight plate under different angles is fixedly mounted in the middle of the fixing plate 28 through a mounting column 10;
adjustment mechanism includes rotatable swivel becket 26 and spacing groove 29, the front at fixed plate 28 is seted up to spacing groove 29, swivel becket 26 openly rotates through the round pin axle and installs two relative connecting strips 24 that set up, two connecting strips 24 are close to the one end of spacing groove 29 and are fixed with stopper 25, the spacing slip of stopper 25 is inside spacing groove 29, the one end difference fixedly connected with horizontal pole 30 of spacing groove 29 is kept away from to two connecting strips 24, the one end fixedly connected with extension rod 6 of connecting strip 24 is kept away from to horizontal pole 30, fixedly connected with is used for the light filling board 11 of illumination on the extension rod 6.
Through the adjustment mechanism who sets up, when the swivel becket 26 intermittent type rotates, because stopper 25 and spacing groove 29's limiting displacement, cooperation connecting strip 24 one end fixed connection's light filling board 11, can further drive light filling board 11 and be circular motion around fixed plate 28 and under stopper 25 and spacing groove 29 limiting displacement, can further realize light filling board 11's angle self-adaptation and deflect, through light filling board 11 different positions deflect alright carry out not equidirectional illumination to backup pad 15 upper surface, cooperation second camera 9's setting, alright carry out image acquisition to light filling board 11 at the board in a poor light under different illumination, thereby be convenient for further improve the accurate nature that detects.
Further, the rotating ring 26 is rotatably installed on the front surface of the vertical plate 31, a driving mechanism used for enabling the vertical plate 31 to rotate intermittently is further connected to the vertical plate 31, the driving mechanism comprises a motor 3, the motor 3 is fixedly installed on the front surface of the vertical plate 31, an incomplete gear 4 is fixedly installed on an output shaft of the vertical plate 31, and teeth 27 meshed with the incomplete gear 4 are arranged on an outer wall annular array of the rotating ring 26.
Through the arranged adjusting mechanism, when the motor 3 works, the incomplete gear 4 can be driven to rotate, and the intermittent rotation of the rotating ring 26 can be further driven due to the meshing rotation of the incomplete gear 4 and the teeth 27.
Further, a first camera 7 for collecting at different positions is fixedly connected to the side wall of one of the cross bars 30 through the extension bar 8.
Through the first camera 7 that sets up on one of them horizontal pole 30, when swivel 26 intermittent type rotated, can make first camera 7 position change, through the shooting of the different angles of first camera 7, can further improve detection quality when improving detection range.
Further, the inside supporting mechanism that is used for carrying out the support to the board in a poor light that still is provided with of base 12, supporting mechanism include two slide rails 17, and two slide rails 17 fixed mounting are on the inner wall of base 12, and inside respectively slidable mounting of two slide rails 17 has slider 16, is connected with the backup pad 15 that is used for placing the board in a poor light between two sliders 16.
When the first mounting plate 21 intermittently moves forward, the previous position detection is finished, and when the light supplement plate 11 irradiates on the upper surface of the support plate 15 again, the next position detection is started, and the circulation is carried out, so that the feeding type detection can be carried out on the backlight plate, and the quality and the efficiency can be further detected.
Further, still be provided with on the base 12 and be used for the spacing stop gear to the board that is shaded, stop gear includes two splint 18, and two splint 18 pass through slide bar 13 slidable mounting on the lateral wall of base 12, and the base 12 lateral wall of splint 18 top rotates installs screw rod 14, and the outer wall threaded connection of screw rod 14 has two pole covers 19, the bottom of two pole covers 19 respectively with two splint 18 fixed connection, the one end that the second camera 9 was kept away from to screw rod 14 extends to base 12 outer wall and fixedly connected with handle.
Through manual turning handle, can further drive screw rod 14 and rotate, because the setting of 14 outer wall screw threads of screw rod, can further drive two rod cover 19 motion in opposite directions to adjustable two splint 18 are close to each other, through the limiting displacement of splint 18, can guide the board in a poor light and be located second camera 9 under all the time, are convenient for improve the accurate nature of gathering.
Further, still be connected with the control mechanism who is used for adjusting the riser 31 height on the stop gear, control mechanism includes rectangular block 1 and L connecting rod 33, rectangular block 1 passes through 2 slidable mounting of movable rod at mount 32 top, 2 bottoms of movable rod extend to mount 32 inside and fixed with the back of riser 31, L connecting rod 33 fixed mounting is in one of them slide bar 13's one end, L connecting rod 33's top fixedly connected with second mounting panel 35, the chute has been seted up on the second mounting panel 35, fixed strip fixed mounting has lug 34 at the 1 back of rectangular block, the spacing slidable mounting of lug 34 is inside the chute.
Through the control mechanism who sets up, after the rigidity of two splint 18, through the distance that slide bar 13 removed, can further drive second mounting panel 35 motion, because the cooperation of chute and lug 34, can further rectangular block 1 up-and-down motion to alright adjust riser 31's height, thereby alright adjust the object distance between second camera 9 and first camera 7 to the board of being shaded, when the board of being shaded broad, riser 31's high position is higher relatively, consequently the shooting scope is wider.
Further, the inner wall that base 12 is close to riser 31 is connected with and is used for the feed mechanism that advances to the board that is shaded intermittently, and feed mechanism includes first mounting panel 21, and first mounting panel 21 slidable mounting is in the bottom of riser 31, and the upper surface linear array of first mounting panel 21 distributes and has voussoir 20, fixedly connected with and voussoir 20 assorted driving lever 5 on the lateral wall of first camera 7 place extension rod 6, and the lower surface of first mounting panel 21 passes through telescopic link 36 and 15 upper surface fixed connections of backup pad.
When the first camera 7 moves downwards clockwise gradually, the limiting block 25 deflects in an arc shape downwards and upwards under the limiting effect of the inclined arc groove in the limiting groove 29, and the first mounting plate 21 can be further driven to move forwards intermittently under the combined action of the shift lever 5 and the wedge 20.
Furthermore, a fixing ring 22 is fixedly connected to the vertical plate 31, a plurality of collecting potentials are arranged in an annular array on the inner wall of the fixing ring 22, and an electric block 23 matched with the collecting potentials is fixedly connected to the outer wall of the rotating ring 26.
Through the annular array in fixed ring 22 inner wall have the cooperation that is used for a plurality of collection electric potentials and electric block 23, when swivel 26 rotated, can further drive electric block 23 and rotate to the collection electric potential that corresponds, be convenient for carry out image classification collection and record to the board that is shaded under the different illumination to further improve work efficiency.
The working principle is as follows: when the backlight plate defect detection equipment is used, a backlight plate to be detected is placed on the upper surface of the supporting plate 15, the screw 14 can be further driven to rotate by manually rotating the handle, and the two rod sleeves 19 can be further driven to move in opposite directions due to the arrangement of the threads on the outer wall of the screw 14, so that the two clamping plates 18 can be adjusted to be close to each other, and the backlight plate can be guided to be always positioned right below the second camera 9 through the limiting effect of the clamping plates 18;
through the arranged control mechanism, after the positions of the two clamping plates 18 are fixed, the second mounting plate 35 can be further driven to move through the moving distance of the sliding rod 13, and the inclined groove is matched with the convex block 34, so that the rectangular block 1 can further move up and down, the height of the vertical plate 31 can be adjusted, and the object distance between the second camera 9 and the first camera 7 to the backlight plate can be adjusted;
through the arranged adjusting mechanism, when the motor 3 works, the incomplete gear 4 can be driven to rotate, the incomplete gear 4 and the teeth 27 are meshed to rotate, the intermittent rotation of the rotating ring 26 can be further driven, when the rotating ring 26 rotates intermittently, due to the limiting effect of the limiting block 25 and the limiting groove 29, the light supplementing plate 11 fixedly connected with one end of the connecting strip 24 is matched, the light supplementing plate 11 can be further driven to do circular motion around the fixing plate 28, under the limiting effect of the limiting block 25 and the limiting groove 29, the angle self-adaptive deflection of the light supplementing plate 11 can be further realized, the upper surface of the supporting plate 15 can be illuminated in different directions through the deflection of different positions of the light supplementing plate 11, and the backlight plate 11 under different illuminations can be subjected to image acquisition by matching with the arrangement of the second camera 9;
the annular array on the inner wall of the fixed ring 22 is used for matching a plurality of collecting potentials with the electric block 23, when the rotating ring 26 rotates, the electric block 23 can be further driven to rotate to the corresponding collecting potentials, and the image classification collection and recording of the backlight plate under different illumination can be conveniently carried out;
through the first camera 7 arranged on one cross rod 30, when the rotating ring 26 rotates intermittently, the position of the first camera 7 can be changed, and the detection range can be improved and the detection quality can be further improved through shooting of the first camera 7 at different angles;
through the driving lever 5 of first camera 7 fixed connection on the extension rod 6, when first camera 7 clockwise gradually moves the below, stopper 25 is under the limiting displacement of oblique arc groove in spacing groove 29 this moment, take place earlier decurrent ascending arc deflection again, cooperation driving lever 5 and voussoir 20's combined action, can further drive first mounting panel 21 intermittent type forward motion, last position detects the end this moment, when the upper surface at backup pad 15 is shone once more to light supplementing board 11, next position detects the beginning, so circulation, alright carry out the feed formula to the board in a poor light and detect.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a board flaw detection equipment in a poor light, includes base (12) and fixed mounting's mount (32) on base (12), its characterized in that: a vertical plate (31) is slidably mounted in the fixing frame (32), a fixing plate (28) is fixedly mounted on the front surface of the vertical plate (31), the front surface of the vertical plate (31) is connected with an adjusting mechanism for irradiating the surface of the backlight plate at different angles, and a second camera (9) for photographing and collecting surface flaws of the backlight plate under different angles of illumination is fixedly mounted in the middle of the fixing plate (28) through a mounting column (10);
adjustment mechanism includes rotatable swivel becket (26) and spacing groove (29), the front at fixed plate (28) is seted up in spacing groove (29), swivel becket (26) openly rotates through the round pin axle and installs connecting strip (24) of two relative settings, two connecting strip (24) are close to the one end of spacing groove (29) and are fixed with stopper (25), stopper (25) spacing slip is inside spacing groove (29), two the one end difference fixedly connected with horizontal pole (30) of spacing groove (29) are kept away from in connecting strip (24), the one end fixedly connected with extension rod (6) of connecting strip (24) are kept away from in horizontal pole (30), fixedly connected with is used for irradiant light filling board (11) on extension rod (6).
2. The backlight plate defect detecting apparatus of claim 1, wherein: the utility model discloses a gear train transmission mechanism, including swivel becket (26), riser (31), still be connected with on riser (31) and be used for making riser (31) intermittent type pivoted actuating mechanism, actuating mechanism includes motor (3), motor (3) fixed mounting is in the front of riser (31), the output shaft fixed mounting of riser (31) has incomplete gear (4), the outer wall annular array of swivel becket (26) has tooth (27) with incomplete gear (4) meshing.
3. The backlight plate defect detecting apparatus of claim 1, wherein: the side wall of one of the cross rods (30) is fixedly connected with a first camera (7) used for collecting in different positions through an extension strip (8).
4. The backlight plate defect detecting apparatus of claim 1, wherein: the backlight plate supporting device is characterized in that a supporting mechanism used for supporting the backlight plate is further arranged inside the base (12), the supporting mechanism comprises two sliding rails (17), the two sliding rails (17) are fixedly installed on the inner wall of the base (12), sliding blocks (16) are respectively installed inside the two sliding rails (17) in a sliding mode, and a supporting plate (15) used for placing the backlight plate is connected between the two sliding blocks (16).
5. The backlight plate defect detecting apparatus of claim 1, wherein: still be provided with on base (12) and be used for the spacing stop gear to the board that is shaded, stop gear includes two splint (18), two splint (18) pass through slide bar (13) slidable mounting on the lateral wall of base (12), base (12) lateral wall of splint (18) top rotates and installs screw rod (14), the outer wall threaded connection of screw rod (14) has two pole cover (19), two the bottom of pole cover (19) respectively with two splint (18) fixed connection, the one end that second camera (9) were kept away from in screw rod (14) extends to base (12) outer wall and fixedly connected with handle.
6. The backlight plate defect detecting apparatus of claim 5, wherein: stop gear is last still to be connected with the control mechanism who is used for adjusting riser (31) height, control mechanism includes rectangular block (1) and L connecting rod (33), rectangular block (1) is through movable rod (2) slidable mounting at mount (32) top, movable rod (2) bottom extends to mount (32) inside and is fixed with the back of riser (31), L connecting rod (33) fixed mounting is in the one end of one of them slide bar (13), the top fixedly connected with second mounting panel (35) of L connecting rod (33), the chute has been seted up on second mounting panel (35), there is lug (34) at rectangular block (1) back through fixed strip fixed mounting, lug (34) spacing slidable mounting is inside the chute.
7. The backlight plate defect detecting apparatus of claim 1, wherein: the utility model discloses a backlight plate intermittent type feeding mechanism, including base (12), first mounting panel (21), first camera (7) place extension rod (6), the inner wall that base (12) is close to riser (31) is connected with and is used for the feeding mechanism that advances to backlight plate intermittent type, feeding mechanism includes first mounting panel (21), first mounting panel (21) slidable mounting is in the bottom of riser (31), the upper surface linear array distribution of first mounting panel (21) has voussoir (20), fixedly connected with and voussoir (20) assorted driving lever (5) on the lateral wall of first camera (7), first mounting panel (21) lower surface passes through telescopic link (36) and backup pad (15) upper surface fixed connection.
8. The backlight plate defect detecting apparatus of claim 1, wherein: go back fixed ring (22) of fixedly connected with on riser (31), the annular array in fixed ring (22) inner wall has and is used for a plurality of collection potentials, swivel ring (26) outer wall fixedly connected with gather electric potential assorted electricity piece (23).
CN202210029121.3A 2022-01-12 2022-01-12 Defect detection equipment for backlight plate Withdrawn CN114047205A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210029121.3A CN114047205A (en) 2022-01-12 2022-01-12 Defect detection equipment for backlight plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210029121.3A CN114047205A (en) 2022-01-12 2022-01-12 Defect detection equipment for backlight plate

Publications (1)

Publication Number Publication Date
CN114047205A true CN114047205A (en) 2022-02-15

Family

ID=80196219

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210029121.3A Withdrawn CN114047205A (en) 2022-01-12 2022-01-12 Defect detection equipment for backlight plate

Country Status (1)

Country Link
CN (1) CN114047205A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117191807A (en) * 2023-11-06 2023-12-08 常州讯磊电子科技有限公司 Product on-line defect detection device based on industrial camera
CN118169914A (en) * 2024-05-14 2024-06-11 南通市垲德利光电科技有限公司 Display screen backlight plate CCD image sensor detection device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117191807A (en) * 2023-11-06 2023-12-08 常州讯磊电子科技有限公司 Product on-line defect detection device based on industrial camera
CN117191807B (en) * 2023-11-06 2024-01-30 常州讯磊电子科技有限公司 Product on-line defect detection device based on industrial camera
CN118169914A (en) * 2024-05-14 2024-06-11 南通市垲德利光电科技有限公司 Display screen backlight plate CCD image sensor detection device

Similar Documents

Publication Publication Date Title
CN114047205A (en) Defect detection equipment for backlight plate
CN202886294U (en) Large product surface image capturing device
CN109013375A (en) A kind of electric power tower angle steels detection device and detection method
CN114062386B (en) Image acquisition equipment for AOI (automatic optical inspection) of backlight plate
CN117214184B (en) Device for detecting surface defects of cookware
CN112345553A (en) Hard disk part detection device and detection method
CN109596633B (en) Light guide plate defect detection equipment and detection method
CN216113112U (en) Rotary shooting device for human body three-dimensional modeling
CN114509439A (en) Axle type work piece automatic checkout device based on visual detection
CN210665472U (en) Adjustable full-angle shooting mechanism
CN114324161B (en) Electronic chip vision detection device
CN109632823B (en) Bearing appearance detection image acquisition assistor
CN208621035U (en) The scraper detection device of comprehensive detection
CN206684030U (en) AOI vision-based detection mesopores backlight matches somebody with somebody backlight testing agency
CN113507555B (en) Computer image recognition device that can nimble multi-angle was adjusted
CN202275237U (en) Image acquisition device used for detecting vision of liquid crystal display
CN114485940A (en) Spectral characteristic measuring device based on hyperspectral imaging technology
CN211785211U (en) Glass scratch detection device
CN211553791U (en) Line scanning type optical detection machine
CN102944311B (en) A kind of Automatic chromaticity acquisition device
CN208902060U (en) A kind of blue light detection platform of auxiliary crank shaft blank measurement
CN220251064U (en) Movable vision detection mechanism
CN220366193U (en) Gantry one-key flash tester
CN221260352U (en) Camera adjusting mechanism of ccd detection device
CN217465712U (en) Surface wire drawing steel sheet surface warpage detection device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20220215