CN116944075A - Detection equipment for display screen and detection method thereof - Google Patents
Detection equipment for display screen and detection method thereof Download PDFInfo
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- CN116944075A CN116944075A CN202310941194.4A CN202310941194A CN116944075A CN 116944075 A CN116944075 A CN 116944075A CN 202310941194 A CN202310941194 A CN 202310941194A CN 116944075 A CN116944075 A CN 116944075A
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- feeding
- positioning
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- 238000001514 detection method Methods 0.000 title claims abstract description 124
- 239000000463 material Substances 0.000 claims abstract description 222
- 230000007246 mechanism Effects 0.000 claims abstract description 142
- 238000007599 discharging Methods 0.000 claims abstract description 77
- 238000004140 cleaning Methods 0.000 claims abstract description 57
- 238000005056 compaction Methods 0.000 claims abstract description 34
- 238000003756 stirring Methods 0.000 claims description 43
- 239000000523 sample Substances 0.000 claims description 33
- 238000012360 testing method Methods 0.000 claims description 20
- 230000000903 blocking effect Effects 0.000 claims description 18
- 238000004064 recycling Methods 0.000 claims description 17
- 238000001179 sorption measurement Methods 0.000 claims description 17
- 238000005406 washing Methods 0.000 claims description 16
- 238000012546 transfer Methods 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 239000000758 substrate Substances 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 9
- 230000003139 buffering effect Effects 0.000 claims description 7
- 239000007921 spray Substances 0.000 claims description 6
- 239000003086 colorant Substances 0.000 claims description 5
- 238000012937 correction Methods 0.000 claims description 3
- 238000003475 lamination Methods 0.000 claims description 3
- 238000011010 flushing procedure Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 description 8
- 239000011521 glass Substances 0.000 description 7
- 238000009966 trimming Methods 0.000 description 7
- 238000006073 displacement reaction Methods 0.000 description 5
- 238000011049 filling Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000011068 loading method Methods 0.000 description 4
- 230000004308 accommodation Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 241000252254 Catostomidae Species 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
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- 230000002349 favourable effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
- B07C5/362—Separating or distributor mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B11/00—Cleaning flexible or delicate articles by methods or apparatus specially adapted thereto
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B11/00—Cleaning flexible or delicate articles by methods or apparatus specially adapted thereto
- B08B11/02—Devices for holding articles during cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
- B08B3/022—Cleaning travelling work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C2501/00—Sorting according to a characteristic or feature of the articles or material to be sorted
- B07C2501/0063—Using robots
Landscapes
- Specific Conveyance Elements (AREA)
Abstract
The invention discloses a detection device for a display screen and a detection method thereof, wherein the detection device comprises a display screen feeding mechanism, a display screen cleaning mechanism, a fine positioning mechanism, a display screen detection mechanism and a display screen discharging mechanism, the display screen detection mechanism comprises a rotary feeding and discharging device, a compaction adjusting device, an upper CCD photographing device and a lower CCD auxiliary alignment device, the compaction adjusting device is positioned beside the rotary feeding and discharging device and above the rotary feeding and discharging device, the lower CCD auxiliary alignment device is positioned below the rotary feeding and discharging device, and the upper CCD photographing device is positioned above the rotary feeding and discharging device. Therefore, the display screen feeding mechanism, the display screen cleaning mechanism, the fine positioning mechanism, the display screen detection mechanism, the display screen discharging mechanism and the material handling device are combined to form the detection equipment for the display screen, and the detection equipment realizes the full-automatic operation of the feeding, cleaning, centering, fine positioning, detection and discharging of the display screen, saves a great deal of manual labor and reduces the production cost.
Description
Technical Field
The invention relates to the technology in the field of display screen detection, in particular to a detection device for a display screen and a detection method thereof.
Background
The production of the mobile phone display screen is carried out through a plurality of links including assembly, detection, packaging, transportation and the like, wherein the detection link is particularly important, and whether the display screen has dead spots, light leakage, solid color, interference test, focusing, respiratory effect, contrast, color gradation, saturation and the like after being lightened needs to be judged. At present, in the detection process for the mobile phone display screen, a large amount of manual cooperation is needed, for example, feeding and discharging, centering, precise alignment and the like can be completed by manual operation. In addition, the feeding and discharging in the display screen detection process are respectively and independently operated, which is equivalent to double time and has low efficiency; in addition, in the detection photographing link, the display screen lighting auxiliary mechanism is lacked, so that the lighting operation of the display screen cannot be smoothly performed, and the normal detection work of the display screen is greatly influenced.
Therefore, the existing display screen detection equipment is improved to solve the problems, and the detection quality and the detection efficiency are improved.
Disclosure of Invention
In view of the above, the present invention aims at the defects existing in the prior art, and it is a main object of the present invention to provide a detection device for a display screen and a detection method thereof, which combines a display screen feeding mechanism, a display screen cleaning mechanism, a fine positioning mechanism, a display screen detection mechanism, a display screen discharging mechanism and a material handling device to form a detection device for a display screen, wherein the detection device realizes full automation operations of feeding, cleaning, centering, fine positioning, detection and discharging of the display screen, saves a great deal of manual labor, and reduces production cost.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the detection equipment for the display screen comprises a display screen feeding mechanism for feeding the display screen, a display screen cleaning mechanism for cleaning the display screen, a fine positioning mechanism for accurately aligning the display screen, a display screen detection mechanism for detecting the display screen and a display screen blanking mechanism for blanking the display screen, wherein the display screen feeding mechanism, the display screen cleaning mechanism, the fine positioning mechanism, the display screen detection mechanism and the display screen blanking mechanism are sequentially connected; the display screen detection mechanism comprises a rotary feeding and discharging device for feeding and discharging the display screen rapidly, a compressing and adjusting device for compressing and electrifying the display screen, an upper CCD photographing device for photographing and detecting the display screen and a lower CCD auxiliary alignment device, wherein the compressing and adjusting device is located beside the rotary feeding and discharging device and above the rotary feeding and discharging device, the lower CCD auxiliary alignment device is located below the rotary feeding and discharging device, and the upper CCD photographing device is located above the rotary feeding and discharging device.
As a preferred embodiment: the display screen feeding mechanism comprises a feeding rack, a material tray feeding device, an empty material tray recycling device and a material taking and conveying assembly, wherein a containing space capable of containing a plurality of material trays is formed in the feeding rack, the containing space comprises a material tray feeding area and an empty material tray recycling area, the material tray feeding device is located in the material tray feeding area, and the empty material tray recycling device is located in the empty material tray recycling area; the tray feeding device and the empty tray recycling device respectively comprise a tray longitudinal moving assembly and a tray lifting assembly, wherein the tray longitudinal moving assembly is provided with a longitudinal moving sliding seat capable of sliding longitudinally, and the longitudinal moving sliding seat is provided with an avoidance groove; the tray lifting assembly is positioned at the rear end of the tray longitudinal moving assembly and is provided with a bracket capable of vertically sliding, and the bracket is positioned in the avoiding groove when being lowered to the bottom; the material taking and conveying assembly is positioned above the material tray longitudinal movement assembly and the material tray lifting assembly and comprises a material taking support, a longitudinal movement driving assembly, a transverse movement driving assembly, a display screen adsorption assembly and a material tray adsorption assembly, wherein the material taking support is arranged above the feeding frame, the longitudinal movement driving assembly is longitudinally arranged on the material taking support, and the transverse movement driving assembly is transversely arranged on the material taking support and is connected with the output end of the longitudinal movement driving assembly; the display screen adsorption component and the material tray adsorption component are arranged at the output end of the transverse moving driving component.
As a preferred embodiment: the display screen cleaning mechanism comprises a cleaning machine frame, a conveying device, a water washing device and a centering adjusting device, wherein the conveying device is arranged on the cleaning machine frame and used for conveying a display screen, the water washing device is used for flushing and cleaning the display screen carried on the conveying device, the centering adjusting device is used for centering and adjusting the display screen after water washing, the conveying device is transversely arranged on the cleaning machine frame and comprises a plurality of driving rollers and a conveying driving assembly, the conveying driving assembly is used for driving the plurality of driving rollers to rotate so as to drive the display screen to move, the plurality of driving rollers are rotatably distributed on the cleaning machine frame at intervals, and the output end of the conveying driving assembly is connected with the plurality of driving rollers; the washing device comprises a housing and a plurality of spray heads, the housing is covered above the plurality of driving rollers along the moving direction of the display screen, and the plurality of spray heads are positioned in the housing and face the display screen; the centering adjusting device is positioned at the tail part of the conveying device and is provided with a plurality of stirring rods and blocking rods, and the stirring rods and the blocking rods extend into between two adjacent driving rollers.
As a preferred embodiment: the centering adjusting device comprises an adjusting base, an adjusting motor, an adjusting belt pulley group, a first stirring plate, a second stirring plate, a first baffle plate and a second baffle plate, wherein the adjusting base is positioned below the conveying device, the first baffle plate and the second baffle plate are correspondingly arranged on two sides below the driving roller, and a plurality of baffle rods are vertically arranged at the tops of the first baffle plate and the second baffle plate and extend out to be positioned above the driving roller; the first material stirring plate and the second material stirring plate are slidably arranged on the adjusting base, and the plurality of material stirring rods are vertically arranged at the tops of the first material stirring plate and the second material stirring plate and extend out to be positioned above the driving roller; the adjusting motor is arranged on the adjusting base, the adjusting belt wheel set is arranged along the sliding direction of the first material stirring plate and the second material stirring plate, the first material stirring plate is connected with one side of a belt of the adjusting belt wheel set, and the second material stirring plate is connected with the other side of the belt of the adjusting belt wheel set.
As a preferred embodiment: the fine positioning mechanism comprises a fine positioning bracket, a suction plate for bearing and adsorbing a display screen, a left positioning driving assembly for positioning the display screen, a right buffering assembly for buffering when the display screen is positioned, a front positioning assembly for front positioning the display screen and a rear positioning assembly for rear positioning the display screen, wherein the suction plate is arranged at the top of the fine positioning bracket; the left positioning driving assembly, the right buffering assembly, the front positioning assembly and the rear positioning assembly are respectively provided with a plurality of positioning columns, and the positioning columns are correspondingly and movably positioned at the front, rear, left and right positions outside the display screen.
As a preferred embodiment: the display screen detection mechanism further comprises a detection rack, and the rotary feeding and discharging device is arranged on the detection rack and is provided with a discharging position; the compaction adjusting device is provided with a probe test pressure head which can move up and down to be in electrical contact with a chip of the display screen so as to supply power for the display screen; the upper CCD photographing device corresponds to the lower CCD auxiliary alignment device up and down.
As a preferred embodiment: the rotary feeding and discharging device comprises a rotary disc and a rotary driving motor for driving the rotary disc to rotate, the rotary driving motor is arranged on the detection frame, the rotary disc is arranged at the shaft end of the rotary driving motor, and two discharging positions are respectively arranged at two ends of the rotary disc.
As a preferred embodiment: the compaction adjusting device comprises a compaction adjusting bracket, a vertical adjusting cylinder and a probe fine adjusting assembly, wherein the compaction adjusting bracket is arranged on the detection rack, the vertical adjusting cylinder is arranged on the compaction adjusting bracket, and the probe fine adjusting assembly can be vertically and slidably arranged on the compaction adjusting bracket and is connected with the shaft end of the vertical adjusting cylinder; the probe testing pressure head is arranged at the output end of the probe fine-tuning assembly and is positioned above the rotary feeding and discharging device; the vertical adjusting cylinder shaft end is connected with an adjusting installation seat, the probe fine adjustment assembly is installed on the adjusting installation seat and comprises a fine adjustment base, a transverse fine adjustment screw rod, a transverse fine adjustment sliding seat, a longitudinal fine adjustment screw rod, a longitudinal fine adjustment sliding seat and a fine adjustment connecting seat, the fine adjustment base is fixed on the adjusting installation seat, the transverse fine adjustment screw rod is rotatably installed on the fine adjustment base, and the transverse fine adjustment sliding seat is transversely slidably installed on the fine adjustment base and is connected with the transverse fine adjustment screw rod; the longitudinal fine adjustment screw rod is rotatably arranged on the transverse fine adjustment sliding seat, and the longitudinal fine adjustment sliding seat is longitudinally slidably arranged on the transverse fine adjustment sliding seat and is connected with the longitudinal fine adjustment screw rod; the fine adjustment connecting seat is arranged on the longitudinal fine adjustment sliding seat, and the probe test pressure head is arranged on the fine adjustment connecting seat and faces to the discharging position.
As a preferred embodiment: the lower CCD auxiliary alignment device comprises a lower alignment substrate, a lower alignment transverse sliding seat, a lower alignment longitudinal sliding seat and a lower CCD lens, wherein the lower alignment substrate is positioned below the rotary disc, the lower alignment longitudinal sliding seat can be longitudinally and slidably arranged on the lower alignment substrate, the lower alignment transverse sliding seat can be transversely and slidably arranged on the lower alignment longitudinal sliding seat, and the lower CCD lens is arranged on the lower alignment transverse sliding seat.
A detection method applied to the detection device for a display screen as described above, comprising the steps of:
s1, feeding a display screen to be detected by a display screen feeding mechanism;
s2, the display screen feeding mechanism transfers the display screen to the display screen cleaning mechanism for cleaning and centering operation;
s3, enabling the display screen subjected to centering correction to reach a fine positioning mechanism for accurate alignment operation;
s4, transferring the display screen after accurate alignment to a rotary feeding and discharging device of a display screen detection mechanism by the material handling device, rotating the display screen by the rotary feeding and discharging device to enter the lower part of the upper CCD photographing device, and simultaneously rotating and discharging the detected display screen;
s5, the CCD auxiliary alignment device under the display screen detection mechanism performs photographing detection on the placement position of the display screen to judge whether the compaction adjusting device is precisely attached to the display screen,
S6, after accurate lamination, the compaction adjusting device lights up the display screen, and the upper CCD photographing device photographs and detects the display screen to judge whether a dead pixel exists or not and whether lines and colors are normal or not;
s7, transferring the detected display screen to a display screen blanking mechanism by the material handling device for blanking collection.
Compared with the prior art, the invention has obvious advantages and beneficial effects, in particular, according to the technical scheme, the display screen feeding mechanism, the display screen cleaning mechanism, the fine positioning mechanism, the display screen detection mechanism, the display screen discharging mechanism and the material handling device are combined to form the detection equipment for the display screen, and the detection equipment realizes the full-automatic operation of feeding, cleaning, centering, fine positioning, detection and discharging of the display screen, saves a great amount of manual labor and reduces the production cost; meanwhile, the detection equipment adopts the combination of the rotary feeding and discharging device, the compaction adjusting device, the upper CCD photographing device and the lower CCD auxiliary alignment device to realize the rapid feeding and discharging and accurate lighting detection of the display screen, improves the detection efficiency and detection accuracy of the display screen, provides powerful guarantee for the high qualification rate of products, and has wide market space.
In order to more clearly illustrate the structural features and efficacy of the present invention, a detailed description will be given below in connection with specific embodiments in connection with the accompanying drawings.
Drawings
FIG. 1 is a perspective view of the whole first view of the inspection apparatus of the present invention;
FIG. 2 is a perspective view of the whole second view of the inspection apparatus according to the present invention;
FIG. 3 is a schematic top view of the inspection apparatus of the present invention;
FIG. 4 is a schematic perspective view of a feeding mechanism of a display screen according to the present invention;
FIG. 5 is a perspective view of a display screen feeding mechanism according to another embodiment of the present invention;
FIG. 6 is a schematic perspective view of a display screen cleaning mechanism according to the present invention;
FIG. 7 is a perspective view of another view of the display screen cleaning mechanism of the present invention;
FIG. 8 is a perspective view of a centering adjustment apparatus according to the present invention at a first view angle;
FIG. 9 is a second perspective view of the centering adjustment apparatus of the present invention;
FIG. 10 is a perspective view of a third view of the centering adjustment apparatus of the present invention;
FIG. 11 is a perspective view of a fine positioning mechanism (with suction plate) according to a first perspective view of the present invention;
FIG. 12 is a second perspective view of the fine positioning mechanism of the present invention;
FIG. 13 is a perspective view of a third view of the fine positioning mechanism of the present invention;
FIG. 14 is a perspective view of a fourth view of the fine positioning mechanism of the present invention;
FIG. 15 is a schematic perspective view of the detecting mechanism of the present invention;
FIG. 16 is a perspective view of another view of the detecting mechanism of the present invention;
FIG. 17 is a schematic perspective view of a rotary feeding/discharging device according to the present invention;
FIG. 18 is a perspective view of a rotary feed and discharge device according to another embodiment of the present invention;
FIG. 19 is a schematic perspective view of a compression adjustment apparatus of the present invention;
FIG. 20 is a schematic perspective view of an upper CCD camera of the present invention;
FIG. 21 is a schematic perspective view of a lower CCD camera of the present invention;
FIG. 22 is a perspective view of a blanking mechanism of a display screen according to the present invention;
FIG. 23 is a perspective view of a second view of the blanking mechanism of the display screen of the present invention;
FIG. 24 is a perspective view of a third view of the blanking mechanism of the display screen of the present invention.
The attached drawings are used for identifying and describing:
10. a display screen feeding mechanism; 11. a feeding frame; 111. an accommodating space; 112. a charging area of the charging tray; 113. an empty tray recovery zone; 12. a charging tray feeding device; 13. an empty tray recycling device; 14. a material taking and carrying assembly; 141. a material taking bracket; 1411. a longitudinal support arm; 1412. a transverse support arm; 142. a longitudinally moving drive assembly; 1421. a longitudinally moving driving motor; 1422. longitudinally moving the belt wheel group; 143. a traversing drive assembly; 1431. traversing the supporting rod; 1432. a traversing driving motor; 1433. a traversing belt wheel group; 1434. a material taking support seat; 144. a display screen adsorption assembly; 1441. a first lifting cylinder; 1442. a first suction cup holder; 145. a tray adsorption assembly; 1451. a second lifting cylinder; 1452. a second suction cup holder; 146. a suction longitudinal movement driving assembly; 1461. a suction longitudinal movement driving motor; 1462. a material sucking belt wheel set; 15. a tray longitudinal movement assembly; 151. longitudinally moving the sliding seat; 152. an avoidance groove; 153. longitudinally moving the bracket; 154. a longitudinally moving driving cylinder; 155. longitudinally moving the guide rail; 16. a tray lifting assembly; 161. a bracket; 162. lifting the bracket; 163. lifting a driving motor; 164. lifting a screw rod;
20. A display screen cleaning mechanism; 21. a washing machine frame; 22. a transfer device; 221. a driving roller; 222. a transfer drive assembly; 2221. a transmission driving motor; 2222. cleaning a driving belt pulley group; 2223. a drive gear shaft; 2224. a driven gear; 223. a slip preventing protrusion; 23. a water washing device; 231. a housing; 24. centering adjusting device; 241. a stirring rod; 242. a material blocking rod; 243. adjusting the base; 2431. adjusting the guide rod; 2432. adjusting the guide rail; 2433. a displacement sensor; 2434. adjusting the chute; 244. adjusting a motor; 245. adjusting the belt pulley group; 246. the first material stirring plate; 247. the second material stirring plate; 248. a first striker plate; 249. a second striker plate;
30. a fine positioning mechanism; 31. a fine positioning bracket; 32. a suction plate; 33. a left positioning assembly; 331. a left positioning driving device; 332. a left positioning arm; 333. a left positioning driving motor; 334. left positioning driving belt pulley group; 335. a left positioning screw rod; 336. a first positioning arm; 337. a second positioning arm; 338. a buffer spring; 34. a right positioning assembly; 341. avoiding the notch; 35. a front positioning assembly; 351. a front positioning bracket; 352. a front positioning driving motor; 353. front positioning driving belt wheel group; 354. a front positioning sliding seat; 355. a front positioning block; 36. a rear positioning assembly; 361. a rear positioning driving cylinder; 362. a rear positioning support arm; 37. positioning columns; 38. a sensor; 39. a positioning area;
40. A display screen detection mechanism; 41. rotating the feeding and discharging device; 411. discharging material level; 412. a rotating disc; 413. a rotary drive motor; 414. a placement table; 415. a support step; 416. a transparent support block; 42. a compaction adjustment device; 421. testing a pressure head by a probe; 422. compressing the adjusting bracket; 423. a vertical adjusting cylinder; 424. a probe fine tuning assembly; 4241. fine tuning the base; 4242. a transverse fine tuning screw; 4243. a sliding seat is transversely finely adjusted; 4244. a longitudinal fine tuning screw; 4245. longitudinally fine-tuning the slide seat; 4246. fine tuning the connecting seat; 425. adjusting the mounting seat; 43. a CCD photographing device is arranged; 431. an upper bracket; 432. a CCD lens is arranged; 433. an upper photographing driving assembly; 4331. an upper guide rail; 4332. an upper slider; 4333. an upper driving screw; 4334. locking the screw rod; 4335. rotating the nut; 44. a lower CCD auxiliary alignment device; 441. a lower alignment substrate; 442. a lower alignment transverse sliding seat; 443. a lower alignment longitudinal slide seat; 444. a lower CCD lens; 45. a detection rack;
50. a display screen blanking mechanism; 51. a blanking frame; 511. an empty tray accommodation area; 512. full tray accommodation area; 52. an empty tray driving device; 521. an empty tray lifting driving assembly; 5211. an empty tray lifting bracket; 5212. an empty tray lifting driving motor; 5213. lifting the screw rod by the empty material disc; 5214. the empty tray lifts the slide seat; 5215. an empty tray carrier; 522. an empty tray longitudinal drive assembly; 5221. the empty tray longitudinally drives the bracket; 5222. the empty material tray longitudinally drives the air cylinder; 5223. a longitudinal sliding seat of the empty tray; 53. full tray driving means; 54. a material taking and filling device; 541. a material taking support frame; 542. a material taking assembly; 5421. a material taking sucker; 5422. a material taking lifting cylinder; 5423. a material taking transverse belt pulley group; 5424. a material taking longitudinal belt pulley group; 543. taking materials and transversely moving the belt wheel group; 55. a tray transfer device; 551. a tray transfer support; 552. a full tray transfer assembly; 5521. the material tray vertically drives the air cylinder; 5522. a suction cup holder; 5523. a suction cup; 5524. a longitudinal support arm; 5525. a longitudinal chute; 553. the material tray transversely moves the belt wheel group;
60. A material handling apparatus;
70. and carrying the assembly.
Detailed Description
The invention is as shown in fig. 1 to 24, a detecting device for a display screen and an operation method thereof, the detecting device comprises a display screen feeding mechanism 10, a display screen cleaning mechanism 20, a fine positioning mechanism 30, a display screen detecting mechanism 40 and a display screen discharging mechanism 50 which are connected in sequence, and a material handling device 60 which is connected among the fine positioning mechanism 30, the display screen detecting mechanism 40 and the display screen discharging mechanism 50, wherein:
the display screen feeding mechanism 10 is used for feeding a display screen to be detected, and comprises a feeding rack 11, a tray feeding device 12, an empty tray recycling device 13 and a material taking and conveying assembly 14, wherein the feeding rack 11 is provided with a containing space 111 capable of containing a plurality of trays, the containing space 111 comprises a tray feeding area 112 and an empty tray recycling area 113, the tray feeding device 12 is positioned in the tray feeding area 112, and the empty tray recycling device 13 is positioned in the empty tray recycling area 113; the tray feeding device 12 and the empty tray recycling device 13 respectively comprise a tray longitudinal moving assembly 15 and a tray lifting assembly 16, wherein the tray longitudinal moving assembly 15 is provided with a longitudinal moving sliding seat 151 capable of sliding longitudinally, and the longitudinal moving sliding seat 151 is provided with an avoidance groove 152; the tray lifting assembly 16 is positioned at the rear end of the tray longitudinal moving assembly 15, and is provided with a bracket 161 capable of sliding vertically, and the bracket 161 is positioned in the avoiding groove 152 when being lowered to the bottom; the material taking and carrying assembly 14 is located above the material tray longitudinal moving assembly 15 and the material tray lifting assembly 16, the material taking and carrying assembly 14 comprises a material taking support 141, a longitudinal moving driving assembly 142, a transverse moving driving assembly 143, a display screen adsorbing assembly 144 and a material tray adsorbing assembly 145, the material taking support 141 is installed above the material loading frame 11, the longitudinal moving driving assembly 142 is longitudinally installed on the material taking support 141, and the transverse moving driving assembly 143 is transversely installed on the material taking support 141 and is connected with the output end of the longitudinal moving driving assembly 142; the display adsorption assembly 144 and the tray adsorption assembly 145 are mounted on the output end of the traverse driving assembly 143.
The tray longitudinal moving assembly 15 further comprises a longitudinal moving support 153, a longitudinal moving driving cylinder 154 and a longitudinal moving guide rail 155, wherein the longitudinal moving guide rail 155 is arranged at two sides of the longitudinal moving support 153, the longitudinal moving sliding seat 151 is slidably arranged on the longitudinal moving guide rail 155, the longitudinal moving driving cylinder 154 is longitudinally arranged in the middle of the longitudinal moving support 153, and the shaft end of the longitudinal moving driving cylinder 154 is connected with the longitudinal moving sliding seat 151; the tray is placed on the longitudinally moving slide 151, and the avoiding groove 152 is located below the tray. The vertical movement driving cylinder 154 drives the vertical movement sliding seat 151 to slide on the vertical movement support 153, and when the vertical movement sliding seat slides to the tray lifting assembly, the tray 161 upwards lifts the tray from the avoiding groove 152.
The tray lifting assembly 16 further comprises a lifting bracket 162, a lifting driving motor 163 and a lifting screw rod 164, wherein the lifting bracket 162 is vertically positioned at the tail part of the longitudinal moving bracket 153, and the lifting driving motor 163 is arranged on the lifting bracket 162; the lifting screw rod 164 is rotatably and vertically arranged on the lifting bracket 162 and is connected with the lifting driving motor 163; the bracket 161 is installed on the lifting bracket 162 in a lifting manner and is rotatably matched with the lifting screw rod 164, and the width of the bracket 161 is smaller than that of the avoidance groove 152 of the longitudinal moving sliding seat 151, so that the bracket 161 can flexibly enter and exit in the avoidance groove 152. The lift driving motor 163 drives the lift screw 164 to rotate, and the bracket 161 is lifted and lowered by the rotation of the lift screw 164.
The material taking bracket 141 is provided with a longitudinal supporting arm 1411 and a transverse supporting arm 1412, the longitudinal moving driving assembly 142 is installed on the transverse supporting arm 1412, the transverse moving driving assembly 143 can be longitudinally and slidably installed on the longitudinal supporting arm 1411, the longitudinal moving driving assembly 142 comprises a longitudinal moving driving motor 1421 and a longitudinal moving pulley set 1422, the longitudinal moving driving motor 1421 is installed at the end part of the transverse supporting arm 1412, and the longitudinal moving pulley set 1422 is longitudinally arranged on the transverse supporting arm 1412 and is connected with the shaft end of the longitudinal moving driving motor 1421; the traverse driving assembly 143 is connected to a longitudinal belt (the belt pulley set includes belt pulleys and belts) of the longitudinal belt pulley set 1422, the longitudinal belt pulley set 1422 is driven by the longitudinal driving motor 1421 to operate, and the traverse driving assembly 143 is driven by the longitudinal belt to longitudinally slide on the longitudinal supporting arm 1411.
The traverse driving assembly 143 comprises a traverse supporting rod 1431, a traverse driving motor 1432, a traverse pulley set 1433 and a material taking supporting seat 1434, wherein the traverse supporting rod 1431 is slidably arranged on the longitudinal supporting arm 1411, the traverse driving motor 1432 is arranged on the traverse supporting rod 1431, the traverse pulley set 1433 is transversely arranged on the traverse supporting rod 1431, and the material taking supporting seat 1434 is transversely slidably arranged on the traverse supporting rod 1431 and is connected with a traverse belt of the traverse pulley set 1433; the display screen suction assembly 144 and the tray suction assembly 145 are mounted on the take out support 1434.
The display adsorption assembly 144 includes a first lifting cylinder 1441 and a first suction cup frame 1442, where the first lifting cylinder 1441 is vertically installed on one side of the material taking support seat 1434, and the first suction cup frame 1442 is installed at the shaft end of the first lifting cylinder 1441. The material taking support seat 1434 is provided with a material sucking longitudinal movement driving assembly 146 for driving the display screen adsorption assembly 144 to longitudinally move on one side wall, the material sucking longitudinal movement driving assembly 146 comprises a material sucking longitudinal movement driving motor 1461 and a material sucking belt pulley set 1462, the material sucking longitudinal movement driving motor 1461 is installed on the material taking support seat 1434, the material sucking belt pulley set 1462 is longitudinally distributed on the material taking support seat 1434, and the first lifting cylinder 1441 can be longitudinally slidably installed on the material taking support seat 1434 and is connected with a belt of the material sucking belt pulley set 1462. The tray adsorption assembly 145 includes a second lifting cylinder 1451 and a second suction cup frame 1452, the second lifting cylinder 1451 is vertically installed on the other side of the material taking support seat 1434, and the second suction cup frame 1452 is installed at the shaft end of the second lifting cylinder 1451.
When feeding, firstly, a tray filled with materials is placed on a longitudinal moving sliding seat 151, a tray longitudinal moving assembly 15 drives the longitudinal moving sliding seat 151 to move to a tray lifting assembly 16, and a bracket 161 lifts the tray upwards; the display screen adsorption assembly 144 reaches above the tray under the drive of the longitudinal movement driving assembly 142 and the transverse movement driving assembly 143, and adsorbs materials to be transferred to the operation station. Until the materials in the trays are completely transferred, the longitudinal movement driving assembly 142 and the transverse movement driving assembly 143 drive the tray adsorption assembly to move to the upper part of the empty trays, the empty trays are adsorbed and then placed in the empty tray recycling area 113, and the tray longitudinal movement assembly 15 can move the empty trays placed in a stacking way to an outlet position together for carrying.
Through integrating charging tray loading attachment, empty charging tray recovery unit and getting material handling subassembly in the material loading frame and forming display screen feed mechanism, this display screen feed mechanism has realized the automatic rising of material, has inhaled the material, has shifted to empty charging tray is retrieved automatically, so that same transport. The display screen feeding mechanism enables the display screen to automatically execute material preparation and transfer work before batch detection, reduces labor amount and improves detection efficiency.
The display screen cleaning mechanism 20 is used for cleaning a display screen to be detected, and comprises a cleaning frame 21, a conveying device 22 arranged on the cleaning frame 21 and used for conveying the display screen, a water washing device 23 used for washing the display screen carried on the conveying device 22 by water, and a centering adjusting device 24 used for centering the display screen subjected to water washing, wherein the conveying device 22 is transversely arranged on the cleaning frame 21 and comprises a plurality of driving rollers 221 and a conveying driving assembly 222 for driving the plurality of driving rollers 221 to rotate so as to drive the display screen to move, the plurality of driving rollers 221 are rotatably distributed on the cleaning frame 21 at intervals, and the output end of the conveying driving assembly 222 is connected with the plurality of driving rollers 221; the washing device 23 comprises a housing 231 and a plurality of spray heads, the housing 231 is covered above the plurality of driving rollers 221 along the moving direction of the display screen, and the plurality of spray heads are positioned in the housing 231 and face the display screen; the centering adjustment device 24 is positioned at the tail of the conveying device 22 and is provided with a plurality of stirring rods 241 and blocking rods 242, and the stirring rods 241 and the blocking rods 242 extend into between two adjacent driving rollers 221. The surfaces of the plurality of driving rollers 221 are respectively provided with anti-slip protrusions 223 for preventing the slipping phenomenon when carrying the display screen, and the anti-slip protrusions 223 can be made of silica gel materials, contact with the bottom of the display screen, increase the friction force of the anti-slip protrusions and avoid slipping; the transmission roller 221 of the conveyor 22 corresponding to the centering adjustment device 24 is a roller; the plurality of material stirring rods 241 and the material blocking rods 242 are arranged side by side in the transverse direction.
The transmission driving assembly 222 includes a transmission driving motor 2221, a cleaning driving pulley set 2222, a driving gear shaft 2223 and a plurality of driven gears 2224, the transmission driving motor 2221 is mounted on the side wall of the cleaning frame 21, and the driving gear shaft 2223 is rotatably mounted on the side wall of the cleaning frame 21; the cleaning driving pulley set 2222 is connected to the transmission driving motor 2221 and the driving gear shaft 2223, and a plurality of driving gears are arranged on the driving gear shaft 2223 at intervals; the driven gears 2224 are correspondingly installed at the ends of the driving rollers 221 and meshed with the driving gears one by one. The transmission driving motor 2221 drives the driving gear shaft 2223 to rotate through the cleaning driving belt pulley group 2222, the driving gear shafts 2223 drive the driven gears 2224 to rotate, and the corresponding driving rollers 221 synchronously rotate to form transmission power.
The centering adjustment device 24 comprises an adjustment base 243, an adjustment motor 244, an adjustment belt wheel set 245, a first material shifting plate 246, a second material shifting plate 247, a first material blocking plate 248 and a second material blocking plate 249, wherein the adjustment base 243 is positioned below the conveying device 22, the first material blocking plate 248 and the second material blocking plate 249 are correspondingly arranged on two sides below the driving roller 221, and the material blocking rods 242 are vertically arranged on the tops of the first material blocking plate 248 and the second material blocking plate 249 and extend out to be positioned above the driving roller 221; the first material stirring plate 246 and the second material stirring plate 247 are slidably installed on the adjusting base 243, and the plurality of material stirring rods 241 are vertically installed on the top of the first material stirring plate 246 and the second material stirring plate 247 and extend out to be positioned above the driving roller 221; the adjusting motor 244 is mounted on the adjusting base 243, the adjusting belt wheel set 245 is arranged along the sliding direction of the first material shifting plate 246 and the second material shifting plate 247, the first material shifting plate 246 is connected with one side of the belt of the adjusting belt wheel set 245, and the second material shifting plate 247 is connected with the other side of the belt of the adjusting belt wheel set 245; when the belt is in operation, the moving directions of the first material stirring plate 246 and the second material stirring plate 247 are opposite, wherein the first material stirring plate 246 moves towards the first material blocking plate 248 to stir materials, and the second material stirring plate 247 moves towards the second material blocking plate 249 to stir materials. The adjusting base 243 is provided with a plurality of adjusting guide rods 2431 at intervals, the first material shifting plate 246 and the second material shifting plate 247 are respectively matched with the adjusting guide rods 2431 on the corresponding sides in a sliding manner, the adjusting guide rods 2431 not only can play a guiding role, but also can enable the first material shifting plate 246 and the second material shifting plate 247 to move more stably. The two sides of the adjusting base 243 are respectively provided with an adjusting guide rail 2432, and the first material shifting plate 246 and the second material shifting plate 247 are respectively slidably installed on the adjusting guide rails 2432; the setting of adjusting the guide 2432 improves the stability of sliding, has silence effect to, increased the number of times of resistant sliding. The adjustment base 243 is provided with a displacement sensor 2433 for detecting the moving positions of the first material shifting plate 246 and the second material shifting plate 247, and the displacement sensor 2433 can determine whether the first material shifting plate 246 and the second material shifting plate 247 move in place, so as to improve the control accuracy. An adjusting chute 2434 is arranged on the side wall of the adjusting base 243, and the displacement sensor 2433 is slidably and adjustably mounted in the adjusting chute 2434; by slidably adjusting the position of the displacement sensor 2433 in the adjustment chute 2434, different position detection requirements can be met.
The cleaning and centering process is as follows: the materials enter a water washing device 23 to be cleaned and washed under the drive of a conveying device 22, and the cleaned materials reach a centering adjusting device 24; the material shifting rod 241 and the material blocking rod 242 in the centering adjustment device 24 can simultaneously perform centering adjustment on two materials on the conveying device 22 so as to facilitate subsequent detection work.
The display screen cleaning mechanism is formed by integrating the conveying device, the washing device and the centering adjusting device on the cleaning rack, and the cleaning mechanism conveys the display screen material and simultaneously cleans the display screen; and the tail part of the conveying device adopts a centering adjusting device to perform centering adjustment on the display screen material to be transferred and discharged, thereby providing convenience for the subsequent detection operation of the display screen. The whole flow of the cleaning mechanism adopts automatic operation, integrates the functions of material transfer, cleaning and centering adjustment, saves a great deal of manual labor, reduces the production cost and provides favorable conditions for subsequent detection work.
A carrying assembly 70 is arranged between the centering adjustment device 24 and the fine positioning mechanism 30, and the carrying assembly 70 carries the display screen material adjusted by the centering adjustment device 24 to the fine positioning mechanism 30 for fine positioning operation; the carrying assembly 70 comprises a carrying bracket, a traversing driving belt pulley group, a lifting cylinder, a rotating cylinder and a sucker, wherein the traversing driving belt pulley group, the lifting cylinder, the rotating cylinder and the sucker are arranged on the carrying bracket; the rotary cylinder can drive the sucker to rotate to rotationally adjust the sucked display screen materials.
The fine positioning mechanism 30 is used for precisely aligning the display screen, and comprises a fine positioning bracket 31, a suction plate 32 for bearing and adsorbing the display screen, a left positioning assembly 33 for positioning the display screen, a right positioning assembly 34 for buffering when the display screen is positioned, a front positioning assembly 35 for front positioning the display screen and a rear positioning assembly 36 for rear positioning the display screen, wherein the suction plate 32 is arranged at the top of the fine positioning bracket 31; the left positioning assembly 33, the right positioning assembly 34, the front positioning assembly 35 and the rear positioning assembly 36 are respectively provided with a plurality of positioning columns 37, and the positioning columns 37 are correspondingly and movably positioned at the front, rear, left and right positions outside the display screen.
The top of the fine positioning bracket 31 is provided with two suction plates 32 (a plurality of suction holes are formed in the suction plates 32 to form suction on a display screen) left and right, the left positioning assembly 33 comprises a left positioning driving device 331 and a left positioning arm 332, the left positioning driving device 331 comprises a left positioning driving motor 333, a left positioning driving belt pulley group 334 and a left positioning screw rod 335, the left positioning driving motor 333 is arranged on the fine positioning bracket 31, the left positioning driving belt pulley group 334 is arranged at the shaft end of the left positioning driving motor 333, the left positioning screw rod 335 is connected with the output end of the left positioning driving belt pulley group 334, the left positioning driving motor 333 drives the left positioning driving belt pulley group 334 to operate, and the left positioning screw rod 335 rotates along with the left positioning driving motor; the left positioning arm 332 includes a first positioning arm 336 and a second positioning arm 337, where the first positioning arm 336 and the second positioning arm 337 can be slidably installed on the fine positioning bracket 31 in opposite directions and correspondingly screwed with the left positioning screw 335; the positioning columns 37 are respectively arranged on the first positioning support arm 336 and the second positioning support arm 337 at intervals, and the positioning columns 37 on the first positioning support arm 336 and the positioning columns 37 on the second positioning support arm 337 are parallel to each other; the left positioning screw 335 drives the first positioning arm 336 and the second positioning arm 337 to move in opposite directions, and the positioning column 37 on the first positioning arm 336 and the second positioning arm 337 clamps and positions the left display screen in a left-right manner. And a buffer spring 338 is arranged between the first positioning support arm 336 close to the edge of the fine positioning support 31 and the fine positioning support 31, when the left positioning screw rod 335 drives the first positioning support arm 336 to approach the second positioning support arm 337, the buffer spring 338 generates elastic tension in the opposite direction to the first positioning support arm 336, so that the first positioning support arm 336 is prevented from rigidly bumping against the edge of the display screen when the left positioning screw rod 335 drives and moves, and the display screen is damaged.
The right positioning components 34 are distributed on the right side of the fine positioning bracket 31, and the structure and principle are the same as those of the left positioning components 33. The positioning columns 37 of the right positioning assembly 34 and the positioning columns 37 of the left positioning assembly 33 are staggered from each other in the transverse direction; and, the second positioning arm 337 of the right positioning assembly 34 is provided with a avoiding notch 341 corresponding to the positioning column 37 on the second positioning arm 337 of the left positioning assembly 33, so as to prevent interference phenomenon when the two are reset to the middle.
The front positioning assembly 35 comprises a front positioning bracket 351, a front positioning driving motor 352, a front positioning driving belt pulley group 353, a front positioning sliding seat 354 and a front positioning block 355, wherein the front positioning bracket 351 is arranged on the front side of the fine positioning bracket 31, the front positioning driving motor 352 is arranged on the front positioning bracket 31, and the front positioning driving belt pulley group 353 is longitudinally arranged on the front positioning bracket 351 and is connected with the shaft end of the front positioning driving motor 352; the front positioning sliding seat 354 is longitudinally slidably mounted on the front positioning bracket 351 and is connected with a belt of the front positioning driving belt pulley set 353, two front positioning blocks 355 are correspondingly mounted at the front end of the front positioning sliding seat 354, and the top of the front positioning blocks 355 is provided with the positioning column 37. The front positioning driving motor 352 drives the front positioning driving belt pulley group 353 to operate, the front positioning sliding seat 354 slides back and forth under the driving of the front positioning driving belt pulley group 353, and the positioning column 37 on the front positioning block 355 is close to or far away from the display screen under the driving of the front positioning sliding seat 354.
The rear positioning assembly 36 includes a rear positioning driving cylinder 361 and a rear positioning arm 362, the rear positioning arm 362 is longitudinally slidably mounted on the fine positioning bracket 31, the rear positioning driving cylinder 361 is mounted on a side portion of the fine positioning bracket 31, the rear positioning arm 362 is mounted at a shaft end of the rear positioning driving cylinder 361, a positioning column 37 is disposed on the rear positioning arm 362, the rear positioning driving cylinder 361 drives the rear positioning arm 362 to move back and forth, and the positioning column 37 on the rear positioning arm 362 is close to or far away from a front side of the display screen.
In addition, sensors 38 for detecting the moving positions of the respective positioning columns are provided on the fine positioning bracket 31 for the left positioning assembly 33, the right positioning assembly 34, the front positioning assembly 35, and the rear positioning assembly 36, respectively.
The left positioning component 33 is used for positioning left and right of a left display screen, the right positioning component 34 is used for positioning left and right of a right display screen, the front positioning component 35 and the rear positioning component 36 are used for positioning front and rear positions of the left and right display screens, and the positioning columns on the positioning components are enclosed to form left and right positioning areas 39 for placing the left and right display screens, so that accurate positioning is realized on the display screens in the left and right positioning areas 39.
Through with left locating component, right locating component, preceding locating component and back locating component integration form the fine positioning mechanism on the fine positioning support, this fine positioning mechanism utilizes left locating component, right locating component, preceding locating component and back locating component's automatically regulated, make two location areas about the respective reference column draws close or scatter and to form can be according to the size adjustment size, satisfied the automatic positioning demand of display screen, improved positioning efficiency and positioning accuracy, reduced manual labor, the cost is reduced.
The display screen detection mechanism 40 comprises a rotary feeding and discharging device 41 for feeding and discharging the display screen rapidly, a compaction adjusting device 42 for compacting and electrifying the display screen, an upper CCD photographing device 43 for photographing and detecting the display screen and a lower CCD auxiliary alignment device 44, wherein the compaction adjusting device 42 is located beside the rotary feeding and discharging device 41 and above the rotary feeding and discharging device 41, the lower CCD auxiliary alignment device 44 is located below the rotary feeding and discharging device 41, and the upper CCD photographing device 43 is located above the rotary feeding and discharging device 41.
The display screen detection mechanism 40 further comprises a detection frame 45, and the rotary feeding and discharging device 41 is arranged on the detection frame 45 and provided with a discharging position 411; the pressing adjusting device 42 is provided with a probe testing pressure head 421 which can move up and down to be in electrical contact with the chip of the display screen so as to supply power to the display screen; the lower CCD auxiliary alignment device 44 is slidably corresponding to the upper CCD photographing device 43 up and down, so as to flexibly assist the photographing detection of the upper CCD photographing device 43.
The rotary feeding and discharging device 41 comprises a rotary disc 412 and a rotary driving motor 413 for driving the rotary disc 412 to rotate, the rotary driving motor 413 is mounted on the detection frame 45, the rotary disc 412 is mounted at the shaft end of the rotary driving motor 413, and two discharging positions 411 are respectively arranged at two ends of the rotary disc 412. The rotary feeding and discharging device 41 can realize simultaneous feeding of the display screen to be detected and discharging operation of the display screen after detection, and improves the detection efficiency of the display screen.
The compaction adjusting device 42 comprises a compaction adjusting bracket 422, a vertical adjusting cylinder 423 and a probe fine adjusting assembly 424, the compaction adjusting bracket 422 is installed on the detection frame 45, the vertical adjusting cylinder 423 is installed on the compaction adjusting bracket 422, and the probe fine adjusting assembly 424 can be vertically and slidably installed on the compaction adjusting bracket 422 and is connected with the shaft end of the vertical adjusting cylinder 423; the probe test ram 421 is mounted on the output of the probe trim assembly 424 above the rotary feed and discharge device 41.
The shaft end of the vertical adjusting cylinder 423 is connected with an adjusting installation seat 425, the probe fine adjustment assembly 424 is installed on the adjusting installation seat 425 and comprises a fine adjustment base 4241, a transverse fine adjustment screw 4242, a transverse fine adjustment sliding seat 4243, a longitudinal fine adjustment screw 4244, a longitudinal fine adjustment sliding seat 4245 and a fine adjustment connecting seat 4246, the fine adjustment base 4241 is fixed on the adjusting installation seat 425, the transverse fine adjustment screw 4242 is rotatably installed on the fine adjustment base 4241, and the transverse fine adjustment sliding seat 4243 is transversely slidably installed on the fine adjustment base 4241 and is connected with the transverse fine adjustment screw 4242; the longitudinal fine adjustment screw 4244 is rotatably mounted on the transverse fine adjustment slide 4243, and the longitudinal fine adjustment slide 4245 is longitudinally slidably mounted on the transverse fine adjustment slide 4243 and is connected with the longitudinal fine adjustment screw 4244; the trim connector housing 4246 is mounted to a longitudinal trim slide 4245, and the probe test ram 421 is mounted to the trim connector housing 4246 and is oriented toward the discharge location 411. The transverse trimming slide seat 4243 and the longitudinal trimming slide seat 4245 are moved by a small distance by rotating the transverse trimming screw 4242 and the longitudinal trimming screw 4244, so that the position of the trimming connecting seat 4246 is corrected, the position is more accurate, and the detection precision is improved. The principle of adjusting the positions of the lateral and longitudinal trimming slides 4243 and 4245 by the lateral and longitudinal trimming screws 4242 and 4244 is similar to that of the screw slider, and will not be repeated here.
The upper CCD photographing device 43 comprises an upper bracket 431, an upper CCD lens 432 which can be installed on the upper bracket 431 in a vertically sliding manner, and an upper photographing driving assembly 433 for driving the upper CCD lens 432 to slide on the upper bracket 431, wherein the upper bracket 431 is installed on the detection frame 45, the upper photographing driving assembly 433 comprises an upper guide sliding rail 4331, an upper sliding seat 4332 and an upper driving screw 4333, the upper guide sliding rail 4331 is vertically installed on the upper bracket 431, the upper sliding seat 4332 is installed on the upper guide sliding rail 4331 in a sliding manner, and the upper driving screw 4333 is rotatably installed on the upper bracket 431 and is rotatably matched with the upper sliding seat 4332; the upper CCD lens 432 is mounted on the upper slider 4332. The upper sliding seat 4332 is provided with a locking screw 4334 for fixing the upper sliding seat 4332 on the upper bracket 431, and when the upper sliding seat 4332 moves in place, the upper sliding seat 4332 is fixed by rotating the locking screw 4334, and otherwise, the upper sliding seat 4332 is loosened; and a rotation nut 4335 which is convenient for hand-held rotation is installed at the lower end of the upper driving screw 4333.
The lower CCD auxiliary alignment device 44 mainly aims at aligning the centers of the probe test pressure head 421 and the glass chip of the display screen, so that the lighting accuracy of the display screen is improved; in the debugging stage, the lower CCD lens can be used for amplifying the area of the glass chip so as to combine the probe fine-tuning component 424 to accurately adjust the probe testing pressure head 421, so that the probe testing pressure head 421 is accurately contacted with the glass chip of the display screen and is fixed at the center position of the glass chip. The lower CCD auxiliary alignment device 44 includes a lower alignment substrate 441, a lower alignment horizontal sliding seat 442, a lower alignment vertical sliding seat 443, and a lower CCD lens 444, wherein the lower alignment substrate 441 is located below the rotating disc 412, the lower alignment vertical sliding seat 443 is longitudinally slidably mounted on the lower alignment substrate 441, the lower alignment horizontal sliding seat 442 is transversely slidably mounted on the lower alignment vertical sliding seat 443, and the lower CCD lens 444 is mounted on the lower alignment horizontal sliding seat 442. The position of the lower CCD lens 444 can be adjusted by adjusting the lower alignment longitudinal slide 443 and the lower alignment lateral slide 442 to meet the auxiliary alignment requirements of different positions.
The rotary plate 412 is provided with a placement platform 414 with a hollowed-out hole corresponding to the placement position 411, a support step 415 for supporting a display screen is convexly arranged on the top of the inner wall of one side of the placement platform 414, which is close to the compaction adjusting device 42, towards the hollowed-out hole, a transparent support block 416 is arranged on the support step 415 corresponding to a chip area of the display screen, and when the display screen is placed on the placement platform 414, the chip area of the display screen is positioned above the transparent support block 416, so that the shooting of the lower CCD lens 444 is facilitated. The inner wall of the placing table 414 is inclined, which enlarges the upward visual field range of the lower CCD lens 444, and enables the display screen to be completely located in the shooting range of the lower CCD lens 444.
In this embodiment, two sets of display screen detecting mechanisms 40 are provided, but the two sets of display screen detecting mechanisms 40 share a lower CCD auxiliary alignment device 44, and the lower CCD auxiliary alignment device 44 is slidably located under the rotating disc 112 of the two sets of display screen detecting mechanisms 40 through a sliding rail; when one group of display screen detection mechanisms 40 needs auxiliary alignment, the lower CCD auxiliary alignment device 44 is slid below the corresponding upper CCD photographing device 43; thereby achieving the purposes of multiple purposes and fully utilizing resources.
The detection principle of the display screen detection mechanism is as follows: the display screen to be detected is arranged on a placing table of the rotating disc; the rotary driving motor drives the rotary disk to rotate so as to feed the display screen to the lower part of the compaction adjusting device, and the probe test pressure head of the compaction adjusting device is downwards contacted with the glass chip of the display screen; meanwhile, the lower CCD auxiliary alignment device amplifies and identifies the contact position of the probe test pressure head and the glass chip, if the contact is inaccurate, the probe fine adjustment assembly is used for carrying out fine adjustment on the position of the probe test pressure head, so that the probe test pressure head is finally in accurate contact with the glass chip, and then the probe test pressure head is used for powering on and lighting a display screen; the upper CCD photographing device photographs the display screen, judges whether dead pixels exist or not through comparison with prestored parameters, and whether lines and colors are normal or not, and rotates to discharge materials by the rotary feeding and discharging device after detection is finished, and meanwhile, the other display screen to be detected rotates to feed materials to carry out the detection flow.
The rotary feeding and discharging device, the compaction adjusting device, the upper CCD photographing device and the lower CCD auxiliary alignment device are integrated on the detection rack to form a detection mechanism aiming at the display screen, and the detection mechanism realizes rotary feeding and discharging, so that feeding to be detected and discharging after detection are synchronously carried out, and the operation efficiency is high; the compression adjusting device and the lower CCD auxiliary alignment device are adopted to accurately position and light the display screen to be detected, an effective bedding is provided for the subsequent photographing detection work of the upper CCD photographing device, the detection precision of the display screen is improved integrally, and the detection quality is improved.
The display screen blanking mechanism 50 is used for blanking a display screen, and comprises a blanking frame 51, an empty tray driving device 52, a full tray driving device 53, a material taking and filling device 54 and a tray transferring device 55, wherein an empty tray accommodating area 511 and a full tray accommodating area 512 are arranged below the blanking frame 51 side by side, the empty tray driving device 52 is positioned in the empty tray accommodating area 511, and the full tray driving device 53 is positioned in the full tray accommodating area 512; the material taking and filling device 54 is provided with a material taking support frame 541 and a material taking component 542 capable of moving back and forth on the material taking support frame 541, and the material taking component 542 moves above the empty tray accommodating area 511; the tray transferring device 55 includes a tray transferring support 551 and a full tray transferring unit 552 mounted on the tray transferring support 551, the tray transferring support 551 and the material taking support 541 are staggered in front-back position and height, and the full tray transferring unit 552 reciprocates above the empty tray accommodating area 511 and the full tray accommodating area 512.
The empty tray driving device 52 includes an empty tray lifting driving assembly 521 and an empty tray longitudinal driving assembly 522, the empty tray lifting driving assembly 521 includes an empty tray lifting bracket 5211, an empty tray lifting driving motor 5212, an empty tray lifting screw rod 5213, an empty tray lifting sliding seat 5214 and an empty tray bracket 5215, the empty tray lifting bracket 5211 is vertically disposed inside the empty tray accommodating area 511, and the empty tray lifting driving motor 5212 is mounted on the empty tray lifting bracket 5211; the empty tray lifting screw rod 5213 is rotatably installed on the empty tray lifting bracket 5211 and is connected with the shaft end of the empty tray lifting driving motor 5212; the empty tray lifting slide seat 5214 can be installed on the empty tray lifting support 5211 in a vertically sliding manner and is connected with the empty tray lifting screw rod 5213; the empty tray bracket 5215 is mounted on the empty tray lifting slide 5214; the empty tray lifting driving motor 5212 drives the empty tray lifting screw rod 5213 to rotate, and the empty tray lifting sliding seat 5214 is driven by the empty tray lifting screw rod 5213 to move up and down, so that the empty tray bracket 5215 moves up and down.
The empty tray longitudinal driving assembly 522 comprises an empty tray longitudinal driving support 5221, an empty tray longitudinal driving cylinder 5222 and an empty tray longitudinal sliding seat 5223, wherein the empty tray longitudinal driving support 5221 is longitudinally paved in the empty tray accommodating area 511, the empty tray lifting support 5211 is located at the rear end of the empty tray longitudinal driving support 5221, the empty tray longitudinal driving cylinder 5222 is longitudinally arranged on the empty tray longitudinal driving support 5221, and the empty tray longitudinal sliding seat 5223 is slidably arranged on the empty tray longitudinal driving support 5221 and is connected with the end of the empty tray longitudinal driving cylinder 5222. The empty tray longitudinal driving cylinder 5222 drives the empty tray longitudinal slide 5223 to longitudinally slide to approach or separate from the empty tray lifting support 5211.
A material taking and traversing belt wheel group 543 for driving the material taking component 542 to transversely slide so as to take and discharge materials is transversely and slidably arranged on the material taking support frame 541; the material taking assembly 542 comprises a material taking sucker 5421, a material taking lifting cylinder 5422, a material taking transverse belt pulley set 5423 and a material taking longitudinal belt pulley set 5424, wherein the material taking longitudinal belt pulley set 5424 is arranged at the output end of the material taking transverse belt pulley set 543, the material taking transverse belt pulley set 5423 is arranged at the output end of the material taking longitudinal belt pulley set 5424, the material taking lifting cylinder 5422 is vertically arranged at the output end of the material taking transverse belt pulley set 5423, and the material taking sucker 5421 is arranged at the shaft end of the material taking lifting cylinder 5422. The material taking transverse belt pulley group 543, the material taking longitudinal belt pulley group 5424 and the material taking transverse belt pulley group 5423 respectively comprise a motor, a belt pulley group and a connecting seat arranged on a belt of the belt pulley group, wherein the connecting seat can move along with the movement of the belt, and the connecting seat is an output end. The two material taking suction cups 5421 and the two material taking lifting cylinders 5422 are respectively arranged, and the two material taking lifting cylinders 5422 are arranged on the output end of the material taking transverse belt wheel set 5423 at intervals in parallel; the two material taking suction cups 5421 are correspondingly arranged at the shaft ends of the two material taking lifting cylinders 5422.
A tray traversing belt wheel group 553 is transversely arranged on the tray transferring support 551, and the tray traversing belt wheel group 553 comprises a motor, a belt wheel group and a connecting seat connected to a belt of the belt wheel group; the full tray transferring assembly 552 comprises a tray vertical driving cylinder 5521, a sucker frame 5522 and a plurality of suckers 5523 vertically installed on the sucker frame 5522, wherein the tray vertical driving cylinder 5521 is installed on a connecting seat, the sucker frame 5522 is H-shaped and is installed at the shaft end of the tray vertical driving cylinder 5521, the sucker frame 5522 is provided with two longitudinal supporting arms 5524, and the suckers 5523 are installed on the two longitudinal supporting arms 5524. The two longitudinal supporting arms 5524 of the suction cup frame 5522 are respectively provided with a longitudinal chute 5525, and the suction cup 5523 can be longitudinally slidably and adjustably mounted in the longitudinal chute 5525 to adjust the suction position, thereby meeting the suction requirements of materials with different sizes.
The empty tray is lifted upwards under the cooperation of the empty tray lifting driving assembly 521 and the empty tray longitudinal driving assembly 522; the material taking component 542 of the material taking and filling device 54 is driven by the material taking transverse belt wheel group 543, the material taking longitudinal belt wheel group 5424 and the material taking transverse belt wheel group 5423 in a matched mode, and is transferred and placed in the empty material tray after the material in the empty material tray is fully filled; the full tray transferring component 552 transfers the full tray filled with the material from the empty tray accommodating area 511 to the full tray accommodating area 512 under the drive of the tray traversing belt wheel group 553; the display screen blanking mechanism 50 is provided with two full tray accommodating areas 512 for accommodating full trays, and when the full trays in the full tray accommodating areas 512 are piled up, the whole is pulled out; when the trays in the empty tray accommodation region 511 are all used up, the empty trays can be put again for filling.
Through integrating empty charging tray drive arrangement, full charging tray drive arrangement, get material loading device and charging tray transfer device in the unloading frame and forming the unloading mechanism to the display screen, this unloading mechanism has realized the automatic absorption of display screen, has shifted, sabot and full automatic stacking operation of dish, makes the unloading in-process need not manual operation, has saved a large amount of time, has improved unloading efficiency, has provided quick commodity circulation transfer passageway for the detection of display screen.
The material handling device 60 adopts a form that a conveyor belt is combined with a clamping cylinder, the conveyor belt is transversely arranged on the front sides of the fine positioning mechanism 30, the display screen detection mechanism 40 and the display screen blanking mechanism 50, the clamping cylinder is arranged at the output end of the conveyor belt, and the conveyor belt drives the clamping cylinder to move from the fine positioning mechanism 30 and the display screen detection mechanism 40 to the display screen blanking mechanism 50 for sequentially conveying materials (display screens).
The working principle of the detector is as follows: after being fed by the display screen feeding mechanism, the display screen is transferred to the display screen cleaning mechanism for cleaning and centering operation; the display screen after centering reaches the fine positioning mechanism to perform accurate alignment operation so as to facilitate the detection of the display screen detection mechanism; the material handling device transfers the display screen after accurate alignment to a display screen detection mechanism to carry out power-on detection of the display screen, and judges whether dead pixels exist or not and whether lines and colors are normal or not; and transferring the detected display screen to a display screen blanking mechanism by the material handling device for blanking and collecting.
The detection method of the detector comprises the following steps:
s1, feeding a display screen to be detected by a display screen feeding mechanism;
s2, the display screen feeding mechanism transfers the display screen to the display screen cleaning mechanism for cleaning and centering operation;
s3, enabling the display screen subjected to centering correction to reach a fine positioning mechanism for accurate alignment operation;
s4, transferring the display screen after accurate alignment to a rotary feeding and discharging device of a display screen detection mechanism by the material handling device, rotating the display screen by the rotary feeding and discharging device to enter the lower part of the upper CCD photographing device, and simultaneously rotating and discharging the detected display screen;
s5, the CCD auxiliary alignment device under the display screen detection mechanism performs photographing detection on the placement position of the display screen to judge whether the compaction adjusting device is precisely attached to the display screen,
s6, after accurate lamination, the compaction adjusting device lights up the display screen, and the upper CCD photographing device photographs and detects the display screen to judge whether a dead pixel exists or not and whether lines and colors are normal or not;
s7, transferring the detected display screen to a display screen blanking mechanism by the material handling device for blanking collection.
The invention is designed with the key that the display screen feeding mechanism, the display screen cleaning mechanism, the fine positioning mechanism, the display screen detection mechanism, the display screen discharging mechanism and the material handling device are combined to form the detection equipment for the display screen, and the detection equipment realizes the full-automatic operation of the feeding, cleaning, centering, fine positioning, detection and discharging of the display screen, saves a great deal of manual labor and reduces the production cost; meanwhile, the detection equipment adopts the combination of the rotary feeding and discharging device, the compaction adjusting device, the upper CCD photographing device and the lower CCD auxiliary alignment device to realize the rapid feeding and discharging and accurate lighting detection of the display screen, improves the detection efficiency and detection accuracy of the display screen, provides powerful guarantee for the high qualification rate of products, and has wide market space.
The foregoing description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present invention still fall within the scope of the technical solutions of the present invention.
Claims (10)
1. The utility model provides a check out test set for display screen which characterized in that: the automatic display screen feeding device comprises a display screen feeding mechanism for feeding a display screen, a display screen cleaning mechanism for cleaning the display screen, a precise positioning mechanism for precisely aligning the display screen, a display screen detection mechanism for detecting the display screen and a display screen discharging mechanism for discharging the display screen, wherein the display screen feeding mechanism, the display screen cleaning mechanism, the precise positioning mechanism, the display screen detection mechanism and the display screen discharging mechanism are sequentially connected; the display screen detection mechanism comprises a rotary feeding and discharging device for feeding and discharging the display screen rapidly, a compressing and adjusting device for compressing and electrifying the display screen, an upper CCD photographing device for photographing and detecting the display screen and a lower CCD auxiliary alignment device, wherein the compressing and adjusting device is located beside the rotary feeding and discharging device and above the rotary feeding and discharging device, the lower CCD auxiliary alignment device is located below the rotary feeding and discharging device, and the upper CCD photographing device is located above the rotary feeding and discharging device.
2. The detection apparatus for a display screen according to claim 1, wherein: the display screen feeding mechanism comprises a feeding rack, a material tray feeding device, an empty material tray recycling device and a material taking and conveying assembly, wherein a containing space capable of containing a plurality of material trays is formed in the feeding rack, the containing space comprises a material tray feeding area and an empty material tray recycling area, the material tray feeding device is located in the material tray feeding area, and the empty material tray recycling device is located in the empty material tray recycling area; the tray feeding device and the empty tray recycling device respectively comprise a tray longitudinal moving assembly and a tray lifting assembly, wherein the tray longitudinal moving assembly is provided with a longitudinal moving sliding seat capable of sliding longitudinally, and the longitudinal moving sliding seat is provided with an avoidance groove; the tray lifting assembly is positioned at the rear end of the tray longitudinal moving assembly and is provided with a bracket capable of vertically sliding, and the bracket is positioned in the avoiding groove when being lowered to the bottom; the material taking and conveying assembly is positioned above the material tray longitudinal movement assembly and the material tray lifting assembly and comprises a material taking support, a longitudinal movement driving assembly, a transverse movement driving assembly, a display screen adsorption assembly and a material tray adsorption assembly, wherein the material taking support is arranged above the feeding frame, the longitudinal movement driving assembly is longitudinally arranged on the material taking support, and the transverse movement driving assembly is transversely arranged on the material taking support and is connected with the output end of the longitudinal movement driving assembly; the display screen adsorption component and the material tray adsorption component are arranged at the output end of the transverse moving driving component.
3. The detection apparatus for a display screen according to claim 1, wherein: the display screen cleaning mechanism comprises a cleaning machine frame, a conveying device, a water washing device and a centering adjusting device, wherein the conveying device is arranged on the cleaning machine frame and used for conveying a display screen, the water washing device is used for flushing and cleaning the display screen carried on the conveying device, the centering adjusting device is used for centering and adjusting the display screen after water washing, the conveying device is transversely arranged on the cleaning machine frame and comprises a plurality of driving rollers and a conveying driving assembly, the conveying driving assembly is used for driving the plurality of driving rollers to rotate so as to drive the display screen to move, the plurality of driving rollers are rotatably distributed on the cleaning machine frame at intervals, and the output end of the conveying driving assembly is connected with the plurality of driving rollers; the washing device comprises a housing and a plurality of spray heads, the housing is covered above the plurality of driving rollers along the moving direction of the display screen, and the plurality of spray heads are positioned in the housing and face the display screen; the centering adjusting device is positioned at the tail part of the conveying device and is provided with a plurality of stirring rods and blocking rods, and the stirring rods and the blocking rods extend into between two adjacent driving rollers.
4. A display screen detection apparatus according to claim 3, wherein: the centering adjusting device comprises an adjusting base, an adjusting motor, an adjusting belt pulley group, a first stirring plate, a second stirring plate, a first baffle plate and a second baffle plate, wherein the adjusting base is positioned below the conveying device, the first baffle plate and the second baffle plate are correspondingly arranged on two sides below the driving roller, and a plurality of baffle rods are vertically arranged at the tops of the first baffle plate and the second baffle plate and extend out to be positioned above the driving roller; the first material stirring plate and the second material stirring plate are slidably arranged on the adjusting base, and the plurality of material stirring rods are vertically arranged at the tops of the first material stirring plate and the second material stirring plate and extend out to be positioned above the driving roller; the adjusting motor is arranged on the adjusting base, the adjusting belt wheel set is arranged along the sliding direction of the first material stirring plate and the second material stirring plate, the first material stirring plate is connected with one side of a belt of the adjusting belt wheel set, and the second material stirring plate is connected with the other side of the belt of the adjusting belt wheel set.
5. The detection apparatus for a display screen according to claim 1, wherein: the fine positioning mechanism comprises a fine positioning bracket, a suction plate for bearing and adsorbing a display screen, a left positioning driving assembly for positioning the display screen, a right buffering assembly for buffering when the display screen is positioned, a front positioning assembly for front positioning the display screen and a rear positioning assembly for rear positioning the display screen, wherein the suction plate is arranged at the top of the fine positioning bracket; the left positioning driving assembly, the right buffering assembly, the front positioning assembly and the rear positioning assembly are respectively provided with a plurality of positioning columns, and the positioning columns are correspondingly and movably positioned at the front, rear, left and right positions outside the display screen.
6. The detection apparatus for a display screen according to claim 1, wherein: the display screen detection mechanism further comprises a detection rack, and the rotary feeding and discharging device is arranged on the detection rack and is provided with a discharging position; the compaction adjusting device is provided with a probe test pressure head which can move up and down to be in electrical contact with a chip of the display screen so as to supply power for the display screen; the upper CCD photographing device corresponds to the lower CCD auxiliary alignment device up and down.
7. The detection apparatus for a display screen according to claim 6, wherein: the rotary feeding and discharging device comprises a rotary disc and a rotary driving motor for driving the rotary disc to rotate, the rotary driving motor is arranged on the detection frame, the rotary disc is arranged at the shaft end of the rotary driving motor, and two discharging positions are respectively arranged at two ends of the rotary disc.
8. The detection apparatus for a display screen according to claim 6, wherein: the compaction adjusting device comprises a compaction adjusting bracket, a vertical adjusting cylinder and a probe fine adjusting assembly, wherein the compaction adjusting bracket is arranged on the detection rack, the vertical adjusting cylinder is arranged on the compaction adjusting bracket, and the probe fine adjusting assembly can be vertically and slidably arranged on the compaction adjusting bracket and is connected with the shaft end of the vertical adjusting cylinder; the probe testing pressure head is arranged at the output end of the probe fine-tuning assembly and is positioned above the rotary feeding and discharging device; the vertical adjusting cylinder shaft end is connected with an adjusting installation seat, the probe fine adjustment assembly is installed on the adjusting installation seat and comprises a fine adjustment base, a transverse fine adjustment screw rod, a transverse fine adjustment sliding seat, a longitudinal fine adjustment screw rod, a longitudinal fine adjustment sliding seat and a fine adjustment connecting seat, the fine adjustment base is fixed on the adjusting installation seat, the transverse fine adjustment screw rod is rotatably installed on the fine adjustment base, and the transverse fine adjustment sliding seat is transversely slidably installed on the fine adjustment base and is connected with the transverse fine adjustment screw rod; the longitudinal fine adjustment screw rod is rotatably arranged on the transverse fine adjustment sliding seat, and the longitudinal fine adjustment sliding seat is longitudinally slidably arranged on the transverse fine adjustment sliding seat and is connected with the longitudinal fine adjustment screw rod; the fine adjustment connecting seat is arranged on the longitudinal fine adjustment sliding seat, and the probe test pressure head is arranged on the fine adjustment connecting seat and faces to the discharging position.
9. The detection apparatus for a display screen according to claim 7, wherein: the lower CCD auxiliary alignment device comprises a lower alignment substrate, a lower alignment transverse sliding seat, a lower alignment longitudinal sliding seat and a lower CCD lens, wherein the lower alignment substrate is positioned below the rotary disc, the lower alignment longitudinal sliding seat can be longitudinally and slidably arranged on the lower alignment substrate, the lower alignment transverse sliding seat can be transversely and slidably arranged on the lower alignment longitudinal sliding seat, and the lower CCD lens is arranged on the lower alignment transverse sliding seat.
10. A detection method applied to the detection device for a display screen according to any one of claims 1 to 9, characterized by comprising the steps of:
s1, feeding a display screen to be detected by a display screen feeding mechanism;
s2, the display screen feeding mechanism transfers the display screen to the display screen cleaning mechanism for cleaning and centering operation;
s3, enabling the display screen subjected to centering correction to reach a fine positioning mechanism for accurate alignment operation;
s4, transferring the display screen after accurate alignment to a rotary feeding and discharging device of a display screen detection mechanism by the material handling device, rotating the display screen by the rotary feeding and discharging device to enter the lower part of the upper CCD photographing device, and simultaneously rotating and discharging the detected display screen;
S5, the CCD auxiliary alignment device under the display screen detection mechanism performs photographing detection on the placement position of the display screen to judge whether the compaction adjusting device is accurately attached to the display screen;
s6, after accurate lamination, the compaction adjusting device lights up the display screen, and the upper CCD photographing device photographs and detects the display screen to judge whether a dead pixel exists or not and whether lines and colors are normal or not;
s7, transferring the detected display screen to a display screen blanking mechanism by the material handling device for blanking collection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310941194.4A CN116944075A (en) | 2023-07-28 | 2023-07-28 | Detection equipment for display screen and detection method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310941194.4A CN116944075A (en) | 2023-07-28 | 2023-07-28 | Detection equipment for display screen and detection method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118068604A (en) * | 2024-04-22 | 2024-05-24 | 江苏钛统智能科技有限公司 | Liquid crystal screen quality detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118068604A (en) * | 2024-04-22 | 2024-05-24 | 江苏钛统智能科技有限公司 | Liquid crystal screen quality detection device |
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