CN116899898A - AOI (automated optical inspection) equipment for OLED (organic light emitting diode) module - Google Patents

Abstract

The invention belongs to the technical field of AOI detection equipment, and particularly relates to AOI detection equipment for an OLED module. The automatic feeding and unloading device comprises a frame, and a feeding and transferring device, a turnover feeding device, a code scanning device, a static electricity removing and cleaning device, a visual alignment device, an AOI visual detection device, a turnover unloading device, a classification unloading device and the like which are sequentially arranged on the frame. Compared with the prior art, the AOI detection equipment replaces the mode of manual feeding and manual detection of the OLED module through mutual matching of the parts, realizes automatic control of the AOI detection equipment for the OLED module, can greatly improve the production efficiency and reduce the labor intensity of workers on the premise of ensuring the detection precision, meets the batch production requirement of factories, and has wide market space.

Description

AOI (automated optical inspection) equipment for OLED (organic light emitting diode) module

Technical Field

The invention belongs to the technical field of AOI detection equipment, and particularly relates to AOI detection equipment for an OLED module.

Background

With the development of the automobile industry and the demands of people for travel modes, various cars are continuously updated. In the construction of cars, there is an electronic component, called a vehicle-mounted OLED display module, which often requires a large amount of automation equipment for its production. At the same time, a large number of visual inspection devices are also required during the manufacturing process.

The existing automatic detection equipment is uneven in variety, the degree of automation is not high, and some procedures still need manual operation of workers, such as: whether the appearance of the tested product is OK or not is judged manually through eyes, and the tested product is difficult to be connected in series to form a complete and efficient automatic detection production line. Meanwhile, vibration of the detection device due to mechanism movement and the like can influence the photographing detection effect of the camera.

Based on the above, in the present invention, a novel OLED module AOI inspection apparatus is provided to solve the above-mentioned problems.

Disclosure of Invention

The invention aims to provide the AOI detection equipment for the OLED module, which replaces the manual feeding and manual detection modes of the OLED module by mutually matching the parts, realizes the automatic control of the AOI detection equipment for the OLED module, greatly improves the production efficiency, reduces the labor intensity of workers and meets the batch production requirement of factories on the premise of ensuring the detection precision, and has wide market space.

The invention adopts the following technical scheme:

an AOI detection device for an OLED module comprises a frame, and a loading transfer device, a turnover loading device, a code scanning device, a static electricity removal cleaning device, a visual alignment device, an AOI visual detection device, a turnover unloading device and a classification unloading device which are sequentially arranged on the frame.

Further, the visual alignment device comprises a visual positioning assembly, a material transferring manipulator for conveying materials to the AOI visual detection device, and a material transferring mechanism for transferring bearing materials;

wherein, the manipulator is transported to the material with the material transport to the material in transfer on the mechanism, through camera in the vision positioning module is photographed the material, shoots and acquires material position information to feed back to the manipulator is transported to the material, and the manipulator is transported to the material carries out the position offset through the position information of vision positioning module and corrects, realizes the thick counterpoint of material, and transport to AOI vision detection device on.

Further, the AOI visual inspection device comprises a visual inspection base installed on the frame, a visual inspection portal frame and a visual inspection transfer mechanism installed on the visual inspection base, and a visual inspection mechanism installed on the visual inspection portal frame, wherein the visual inspection base and the visual inspection portal frame are made of marble materials.

Further, the visual detection transfer mechanism in the AOI visual detection device comprises a fourth transfer linear motor module, an alignment platform unit arranged on the fourth transfer linear motor module and a vacuum carrier arranged on the alignment platform unit.

Further, the visual inspection mechanism is mounted on a visual inspection portal frame, and comprises at least one group of inspection units; correspondingly, each group of detection units comprises a high-precision camera assembly and a fine alignment assembly, wherein the fine alignment assembly is arranged on one side of the visual detection portal frame, each fine alignment assembly consists of two sets of edge shooting cameras and one set of round hole cameras, the two sets of edge shooting cameras are arranged in a straight line, are arranged at the right edge of a material for edge scanning and shooting, and are matched with the round hole cameras to realize fine positioning and shooting of the material;

the high-precision camera component is arranged on the other side of the visual detection portal frame and used for detecting the appearance of the precisely aligned material.

Further, the feeding and transferring device comprises a feeding and transferring manipulator and a feeding and transferring mechanism arranged beside the feeding and transferring manipulator;

the feeding and transferring manipulator comprises a feeding and transferring portal frame, a first transferring linear module arranged on the feeding and transferring portal frame, a second transferring linear module arranged on the first transferring linear module, and a first feeding and transferring suction disc element arranged at the bottom of the second transferring linear module, wherein the sliding direction of the first transferring linear module is perpendicular to the sliding direction of the second transferring linear module; the first feeding transfer suction disc piece is used for sucking materials and achieving grabbing of the materials.

Further, the feeding and transferring mechanism comprises a screw rod hand wheel assembly arranged on the frame, a feeding and transferring base slidably arranged on the screw rod hand wheel assembly, a third transferring linear module arranged on the feeding and transferring base, and a second feeding and transferring suction disc arranged on the third transferring linear module;

the second feeding transfer sucker comprises a sucker support table arranged on the third transfer linear module, a second sucker mounting frame arranged on the sucker support table, and second vacuum suckers arranged at the bottom of the second sucker mounting frame at intervals;

the sliding direction of the feeding transfer base on the screw hand wheel assembly is mutually perpendicular to the sliding direction of the third transfer linear module.

Further, the overturning and feeding device comprises a first six-axis robot, an overturning and feeding mechanism and a first transferring and conveying mechanism, wherein the first six-axis robot, the overturning and feeding mechanism and the first transferring and conveying mechanism are arranged around the output end of the feeding and transferring device;

the turnover feeding mechanism comprises a first turnover feeding linear module, a second turnover feeding linear module and a turnover feeding assembly, wherein the second turnover feeding linear module is installed on the first turnover feeding linear module, and the turnover feeding assembly is installed on the second turnover feeding linear module, and the sliding directions of the first turnover feeding linear module and the second turnover feeding linear module are mutually perpendicular; the overturning feeding assembly comprises an overturning feeding motor and an overturning feeding jig in driving connection with the overturning feeding motor.

Further, the static-removing cleaning device comprises a cleaning portal frame, a cleaning transfer mechanism and a static-removing cleaning mechanism, wherein the cleaning transfer mechanism and the static-removing cleaning mechanism are arranged on the cleaning portal frame;

the cleaning and transferring mechanism is used for transferring materials at the output end of the code scanning device to the static-removing cleaning mechanism, and the static-removing cleaning mechanism is used for removing static and cleaning the materials.

Further, the sorting and blanking device comprises a transfer platform unit arranged at the output end of the overturning and blanking device, and a blanking transfer unit, a TRAY disc blanking unit and a six-axis blanking robot which are arranged at the periphery of the transfer platform unit;

the six-axis blanking robot is matched with the blanking transfer unit and the TRAY disc blanking unit, and correspondingly, materials on the transfer platform unit are respectively placed on the blanking transfer unit and the TRAY disc blanking unit after being classified and screened.

Compared with the prior art, the invention has the beneficial effects that:

1) The AOI detection equipment for the OLED module mainly comprises a loading transfer device, a turnover loading device, a code scanning device, an antistatic cleaning device, a visual alignment device, an AOI visual detection device, a turnover discharging device, a classification discharging device and the like, and the parts are mutually matched to replace the modes of manual loading and manual detection of the OLED module, so that the automatic control of the AOI detection equipment for the OLED module is realized, the production efficiency is greatly improved, the labor intensity of workers is reduced on the premise of ensuring the detection precision, and the factory batch production requirement is met, and the equipment has wide market space; meanwhile, a visual alignment device and an AOI visual detection device are added, so that the detection precision can be greatly improved.

2) Visual inspection base and visual inspection portal frame among the AOI visual inspection device are by marble material preparation, and weight is big, can alleviate the holistic vibrations of platform well, and each spare part is installed on it, and overall stability is good, and AOI visual inspection effect is better, the harmful effects that the vibrations of each motion unit on the AOI visual inspection device brought that reduce that can be fine.

Drawings

For a clearer description of embodiments of the invention or of solutions in the prior art, the drawings which are used in the description of the embodiments or of the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained from them without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of an AOI detection device for OLED modules according to the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a schematic structural view of the loading transfer manipulator in FIG. 1;

FIG. 4 is a schematic diagram of the loading transfer mechanism in FIG. 1;

FIG. 5 is a schematic view of the first six-axis robot of FIG. 1;

FIG. 6 is a schematic diagram of the structure of the turnover feeding mechanism in FIG. 1;

FIG. 7 is a schematic view of the first transfer conveyor mechanism of FIG. 1;

FIG. 8 is a schematic diagram of the static-eliminating cleaning apparatus in FIG. 1;

FIG. 9 is a schematic view of the visual positioning assembly of FIG. 1;

FIG. 10 is a schematic diagram of the AOI visual inspection apparatus of FIG. 1;

FIG. 11 is a schematic diagram II of the AOI visual inspection device of FIG. 1;

FIG. 12 is a schematic diagram of the unloading transfer unit in FIG. 1;

FIG. 13 is a schematic view of a detecting unit of the panoramic camera of FIG. 1;

FIG. 14 is a flowchart of the operation of an AOI detection apparatus for OLED modules according to the present invention;

wherein: the feeding and transferring device 1, the feeding and transferring manipulator 10, the feeding and transferring portal frame 101, the first transferring linear module 102, the second transferring linear module 103, the first feeding and transferring suction disc 104, the first suction disc mounting frame 1041, the first vacuum suction disc 1042, the feeding and transferring mechanism 11, the feeding and transferring base 111, the third transferring linear module 112, the second feeding and transferring suction disc 113, the suction disc supporting table 1131, the screw hand wheel assembly 1134, the second suction disc mounting frame 1133 and the second vacuum suction disc 1132;

the turnover feeding device 2, the first six-axis robot 20, the turnover feeding mechanism 21, the first turnover feeding linear module 211, the second turnover feeding linear module 212, the turnover feeding assembly 213, the turnover feeding motor 2131, the turnover feeding jig 2132, the third vacuum chuck 2133 and the first middle-rotation conveying mechanism 22;

a code scanning device 3;

the cleaning device comprises a static electricity removing cleaning device 4, a cleaning portal frame 40, a cleaning transfer mechanism 41, a static electricity removing cleaning mechanism 42, an ion wind rod assembly 421 and a USC cleaning head assembly 422;

a visual alignment device 5, a visual positioning assembly 51;

AOI visual inspection device 6, visual inspection base 60, visual inspection portal frame 61, visual inspection mechanism 62, circular hole camera 621, high-precision camera assembly 622 edge camera 623, visual inspection transfer mechanism 63, fourth transfer linear motor module 631 and vacuum carrier 632;

the overturning blanking device 7, the detecting blanking manipulator 70 and the overturning blanking mechanism 71;

the device comprises a classification blanking device 8, a transfer platform unit 81, a blanking transfer unit 82, a TRAY disc blanking unit 83, a six-axis blanking robot 84, a panoramic camera detection unit 85, a light source mounting bracket 851, a light source assembly 852 and a panoramic camera assembly 853.

Detailed Description

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

The invention is discussed in detail below in conjunction with fig. 1-14 and the specific embodiments:

as shown in fig. 1-14, the invention provides an AOI detection device for an OLED module, which comprises a frame, and a loading transfer device 1, a turning loading device 2, a code scanning device 3, a static-removing cleaning device 4, a visual alignment device 5, an AOI visual detection device 6, a turning unloading device 7, a sorting unloading device 8 and the like which are sequentially arranged on the frame.

The material loading and transferring device 1 transfers the material processed in the previous process to a material loading position opposite to the overturning and feeding device 2; after the material is obtained by the overturning and feeding device 2, if the material is right-side-up, the material is overturned for 180 degrees, the back surface of the material is upwards arranged, the material is transported to the code scanning device 3, and if the back surface of the material is upwards, the material is directly transported to the code scanning device 3; the code scanning device 3 is used for scanning the materials and transferring the materials to a position opposite to the static electricity removing cleaning device 4; the static electricity removing cleaning device 4 removes static electricity on the material, cleans the material, removes surface dust and the like. Then, the visual alignment device 5 photographs the material on the static-removing cleaning device 4 and transfers the material to the AOI visual detection device 6, and the AOI visual detection device 6 detects whether defects exist on the appearance of the product, such as whether defects exist on the appearance of cracks or bubbles. After the detection is finished, transferring the material to a turnover blanking device 7, and turning the material 180 degrees again to enable the right side of the material to be upwards; finally, transferring the materials to a sorting and blanking device 8 to screen and blanking the materials.

Meanwhile, the AOI visual inspection device 6 comprises a visual inspection base 60 installed on the frame, a visual inspection portal frame 61 and a visual inspection transfer mechanism 63 installed on the visual inspection base 60, and a visual inspection mechanism 62 installed on the visual inspection portal frame 61, wherein the visual inspection transfer mechanism 63 bears materials to pass through from the lower part of the visual inspection portal frame 61, and the visual inspection mechanism 62 is matched to realize photographing precision alignment and appearance inspection of the materials, so as to detect whether the appearance of the materials has defects or not. In addition, in order to reduce the adverse effect caused by vibration of each motion unit on the AOI visual inspection device 6, the visual inspection base 60 and the visual inspection portal frame 61 are made of marble materials, so that the weight is large, the overall vibration of the platform can be well lightened, each part is mounted on the platform, the overall stability is good, and the AOI visual inspection effect is better. In this embodiment, the frame for loading the marble base is an independent frame, and the square column formed by welding the square tube and the iron plate is connected with the frame of the detection section, so that the AOI visual detection device 6 can be separated from the whole machine if necessary (such as packaging and transportation).

The AOI detection equipment for the OLED module mainly comprises a loading transfer device 1, a turnover loading device 2, a code scanning device 3, an electrostatic removing cleaning device 4, a visual alignment device 5, an AOI visual detection device 6, a turnover discharging device 7, a classification discharging device 8 and the like, and the automatic control of the AOI detection equipment for the OLED module is realized by mutually matching the parts instead of the manual loading and manual detection modes of the OLED module, so that the production efficiency is greatly improved, the labor intensity of workers is reduced on the premise of ensuring the detection precision, the batch production requirements of factories are met, and the market space is wide. Meanwhile, a visual alignment device and an AOI visual detection device are added, so that the detection precision can be greatly improved.

In addition, in the AOI visual inspection device 6, the visual inspection base 60 and the visual inspection portal frame 61 are made of marble materials, so that the weight is large, the overall vibration of the platform can be well lightened, each part is mounted on the platform, the overall stability is good, the AOI visual inspection effect is better, and the adverse effect caused by the vibration of each motion unit on the AOI visual inspection device 6 can be well reduced.

Further, the loading and transferring device 1 includes a loading and transferring manipulator 10 and a loading and transferring mechanism 11 disposed beside the loading and transferring manipulator 10, the loading and transferring manipulator 10 transfers the material from the previous step to the loading and transferring mechanism 11, and the loading and transferring mechanism 11 carries the material to a loading position opposite to the turning loading device 2.

Specifically, the feeding and transferring manipulator 10 includes a feeding and transferring gantry 101, a first transferring linear module 102 mounted on the feeding and transferring gantry 101, a second transferring linear module 103 mounted on the first transferring linear module 102, and a first feeding and transferring suction disc 104 mounted at the bottom of the second transferring linear module 103, where the sliding direction of the first transferring linear module 102 is perpendicular to the sliding direction of the second transferring linear module 103. The first feeding transfer suction disc 104 is used for sucking materials and realizing the grabbing of the materials; the first loading transfer tray 104 comprises a first sucker mounting rack 1041 and first vacuum suckers 1042 arranged at the bottom of the first sucker mounting rack 1041 at intervals, wherein strip holes are formed in the first sucker mounting rack 1041, the first vacuum suckers 1042 are mounted at the strip holes of the first sucker mounting rack 1041 and fixed through butterfly bolts, and the mounting position of the first vacuum suckers 1042 is convenient to adjust. During operation, the first transferring linear module 102 drives the horizontal sliding, the second transferring linear module 103 drives the vertical sliding, and then the first feeding transferring suction disc 104 is horizontally and vertically adjusted, so that the accurate feeding of materials is realized.

The feeding and transferring mechanism 11 comprises a screw hand wheel assembly 1134 installed on the frame, a feeding and transferring base 111 slidably installed on the screw hand wheel assembly 1134, a third transferring linear module 112 installed on the feeding and transferring base 111, and a second feeding and transferring suction disc member 113 installed on the third transferring linear module 112. The second feeding and transferring suction disc member 113 comprises a suction disc supporting table 1131 installed on the third transferring linear module 112, a second suction disc mounting frame 1133 installed on the suction disc supporting table 1131, and second vacuum suction discs 1132 arranged at the bottom of the second suction disc mounting frame 1133 at intervals; the sliding direction of the feeding transfer base 111 on the screw hand wheel assembly 1134 is perpendicular to the sliding direction of the third transfer linear module 112.

The second loading transfer suction disc member 113 has structural adjustability, can freely adjust the positions of the second suction disc mounting frame 1133 and the second vacuum suction disc 1132, is convenient for adsorbing materials, and can adapt to various working conditions and products with different specifications.

It should be noted that, in the present invention, the second vacuum chuck 1132 may be replaced by a vacuum adsorption block or a vacuum adsorption plate entirely or partially, so as to adsorb materials, form multiple combinations, and select and match according to actual requirements, which is flexible and changeable, and has strong adaptability.

Meanwhile, a strip hole is formed in the second suction cup mounting frame 1133, the second vacuum suction cup 1132 is mounted at the strip hole of the second suction cup mounting frame 1133 and fixed through a butterfly bolt, and the mounting position of the second vacuum suction cup 1132 is convenient to adjust. When in use, the third transferring linear module 112 drives the sucker support table 1131 to slide, and the position of the second sucker mounting frame 1133 can be adjusted through the screw hand wheel assembly 1134.

Further, the overturning and feeding device 2 comprises a first six-axis robot 20, an overturning and feeding mechanism 21 and a first transfer and conveying mechanism 22, wherein the first six-axis robot is arranged around the output end of the feeding and transferring mechanism 11. During operation, the first six-axis robot 20 grabs the material on the loading transfer mechanism 11, transfers the material to the overturning and feeding mechanism 21, overturns the material by 180 degrees through the overturning and feeding mechanism 21, and enables the back surface of the material to be upwards arranged. Then, the first six-axis robot 20 carries the first code scanning device onto the first transfer conveying mechanism 22, and the first transfer conveying mechanism 22 conveys the first code scanning device 3. The six-axis robot is adopted for material transfer, so that the space is saved, and meanwhile, the flexibility of actions is improved. Specifically, the manipulator claw portion of the first six-axis robot 20 can refer to the structural design of the second loading transfer suction disc member 113, so that structural adjustability is achieved, and the six-axis robot has the characteristics of flexibility, variability, strong adaptability and the like.

Specifically, the overturning and feeding mechanism 21 includes a first overturning and feeding linear module 211, a second overturning and feeding linear module 212 installed on the first overturning and feeding linear module 211, and an overturning and feeding assembly 213 installed on the second overturning and feeding linear module 212, where the sliding directions of the first overturning and feeding linear module 211 and the second overturning and feeding linear module 212 are mutually perpendicular; the overturning feeding assembly 213 comprises an overturning feeding motor 2131 and an overturning feeding jig 2132 in driving connection with the overturning feeding motor 2131, wherein strip holes are formed in the overturning feeding jig 2132, and a third vacuum sucker 2133 is mounted at the strip holes of the overturning feeding jig 2132, so that the mounting position of the third vacuum sucker 2133 can be conveniently adjusted according to actual needs. In operation, the first overturning feeding linear module 211 and the second overturning feeding linear module 212 drive the overturning feeding assembly 213 to adjust transversely and vertically; then, the overturning feeding motor 2131 is started to drive the overturning feeding jig 2132 to overturn 180 degrees, so that overturning of materials is realized.

Furthermore, the code scanning device 3 is used for scanning and feeding materials and transporting the materials to a position opposite to the static electricity removing cleaning device 4, and the specific structure of the code scanning device 3 is not limited in the invention, so long as the code scanning feeding and transporting functions can be realized, and the code scanning device belongs to the protection scope of the invention. In this embodiment, the code scanning device 3 includes an upper code scanning and a lower code scanning, the two code scanning directions are perpendicular to each other, and the code scanning of the two directions of the material can be realized, so that the code scanning can be performed at any position of the front or back of the material identification code.

Further, the static-removing cleaning device 4 includes a cleaning gantry 40, a cleaning transfer mechanism 41 mounted on the cleaning gantry 40, and a static-removing cleaning mechanism 42. The cleaning and transferring mechanism 41 is used for transferring the material at the output end of the code scanning device 3 to the static-removing cleaning mechanism 42, and the static-removing cleaning mechanism 42 performs static-removing and cleaning operations on the material to remove the residual dust on the surface of the material.

Of course, the static-removing cleaning device 4 may further include a second transferring and conveying mechanism, and the cleaning and transferring mechanism 41 transfers the material at the output end of the code scanning device 3 to the second transferring and conveying mechanism, and the second transferring and conveying mechanism conveys the material to the lower portion of the static-removing cleaning mechanism 42 to perform static-removing and cleaning operations on the material, so as to remove the residual dust on the surface of the material. In particular, the invention does not limit the specific structure of the second transfer conveying mechanism, so long as the material transfer operation is specific, and the design and selection can be carried out by the person skilled in the art according to the actual situation.

Specifically, the static-removing cleaning mechanism 42 includes an ion wind bar assembly 421 and a USC cleaning head assembly 422 mounted on the cleaning gantry 40. The ion wind bar assembly 421 is used for removing static electricity on the material, and the USC cleaning head assembly 422 is used for removing dust remained on the surface of the material. In this embodiment, this static-removing cleaning mechanism 42 still includes the straight line module of Z axle lift, this straight line module of Z axle lift is installed on wasing portal frame 40 to all install ion wind rod subassembly 421 and USC cleaning head subassembly 422 on the straight line module of Z axle lift, drive ion wind rod subassembly 421 and USC cleaning head subassembly 422 through the straight line module of Z axle lift and adjust, realize ion wind rod subassembly 421 and USC cleaning head subassembly 422 mounting height's regulation, can be according to the actual conditions of material, wash ion wind rod subassembly 421 and USC cleaning head subassembly 422 and adjust to suitable height, improve the cleaning effect to the material.

Further, the visual alignment device 5 includes a visual positioning assembly 51, a material transfer robot for transporting material to the AOI visual inspection device 6, and a material transfer mechanism for transferring load-bearing material. Correspondingly, the material is transferred onto the material transferring mechanism through the material transferring manipulator, the material is photographed through a camera in the visual positioning assembly 51, the position information of the material is obtained after photographing, and is fed back to the material transferring manipulator, and the material transferring manipulator performs position offset correction through the position information of the visual positioning assembly 51, namely angle correction is completed, and coarse alignment of the material is realized; finally, the adjusted materials are transported to the AOI visual detection device 6 by the material transporting manipulator.

Wherein, the carrier that bears the weight of material in this material transfer mechanism is the metal sheet, and this metal sheet has certain thickness relatively, has certain weight, and relative motion is more stable, and the precision of shooing is higher.

Further, the visual inspection transfer mechanism 63 of the AOI visual inspection device 6 includes a fourth transfer linear motor module 631, an alignment stage unit mounted on the fourth transfer linear motor module 631, and a vacuum stage 632 mounted on the alignment stage unit.

The visual inspection mechanism 62 is mounted on the visual inspection portal frame 61, and the visual inspection mechanism 62 may be composed of a plurality of groups of inspection units arranged side by side, in this embodiment, three groups of synchronous operations are provided, so that the inspection efficiency can be greatly improved. Correspondingly, each group of detection units comprises a high-precision camera component 622 and a precise alignment component. Wherein, accurate alignment subassembly sets up in the one side of visual detection portal frame 61, and every accurate alignment subassembly by two sets of edge cameras 623 and a set of round hole camera 621 constitute, two sets of edge cameras 623 are the sharp and arrange, set up and sweep the limit in material right edge department and shoot, take a picture with the round hole camera 621 together to the material fine positioning. The high-precision camera assembly 622 is disposed on the other side of the vision inspection gantry 61 to perform appearance inspection on the precisely aligned material. In use, the positioning accuracy is improved by the combined design of the high-precision camera component 622, the edge camera 623 and the circular hole camera 621.

During operation, the fourth transfer linear motor module 631 drives the alignment platform unit to move together with the vacuum carrier 632 for carrying the material, and pass through the vision detection portal frame 61, and the precise alignment assembly in the vision detection mechanism 62 performs photographing alignment on the material on the vacuum carrier 632, and feeds back photographing data information to the alignment platform unit, so as to realize precise alignment micro-adjustment on the material position. After the alignment is completed, the material is transferred to the lower part of the high-precision camera assembly 622, and whether the appearance of the high-precision camera assembly is defective is detected.

Further, the overturning and blanking device 7 comprises a detecting and blanking manipulator 70 and an overturning and blanking mechanism 71, wherein the detecting and blanking manipulator 70 is arranged between the blanking end of the AOI visual detection device 6 and the overturning and blanking mechanism 71 and is used for transferring materials detected by the AOI visual detection device 6 to the overturning and blanking mechanism 71, and the overturning and blanking mechanism 71 is used for realizing 180-degree overturning of the materials, so that the materials are arranged right side up. Specifically, the overturning blanking mechanism 71 can be designed with reference to the overturning feeding device 2.

Further, the sorting and blanking device 8 includes a transfer platform unit 81 disposed at an output end of the overturning and blanking device 7 and used for carrying materials, a blanking transfer unit 82 disposed at a periphery of the transfer platform unit 81, a TRAY blanking unit 83 and a six-axis blanking robot 84. The six-axis blanking robot 84 is matched with the blanking transfer unit 82 and the TRAY blanking unit 83, and correspondingly, the materials on the transfer platform unit 81 are respectively placed on the blanking transfer unit 82 and the TRAY blanking unit 83 after being classified and screened, so that the screening of the material types and the like are realized. As in the present embodiment, the qualified materials are correspondingly placed on the blanking transfer unit 82, and the unqualified materials are placed on the TRAY blanking unit 83. The six-axis robot is adopted for material transfer, so that the space is saved, and meanwhile, the flexibility of actions is improved.

Specifically, the blanking transfer unit 82 includes a blanking linear module and a blanking transfer tray installed on the blanking linear module, where the blanking transfer tray can be designed with reference to the second feeding transfer tray 113, and the present invention is not limited thereto, and falls within the scope of protection of the present invention.

Specifically, a panoramic camera detection unit 85 can be arranged right above the TRAY blanking unit 83, and is used for confirming the accurate position of the TRAY and preventing the TRAY from being broken when unqualified materials are loaded; correspondingly, the panoramic camera detection unit 85 includes a light source mounting frame 851, a light source assembly 852 mounted on the top of the light source mounting frame 851, and a panoramic camera assembly 853, wherein the light source assembly 852 provides a light source for photographing of the panoramic camera assembly 853, the mounting position of the panoramic camera assembly 853 is adjustable, specifically, the manner of realizing the adjustment of the mounting position of the panoramic camera assembly 853 is not limited, an adjustable platform can be provided, and the panoramic camera assembly 853 is correspondingly mounted on the bottom of the adjustable platform, etc., which is specifically designed by a person skilled in the art according to practical situations.

Specifically, an ion wind rod assembly can be arranged above the output end of the blanking transfer unit 82, so that secondary static electricity removal operation is realized, and the product quality is improved.

Specifically, this TRAY unloading unit 83 still can include the AGV dolly for realize automatic transport empty charging TRAY and full-load charging TRAY, need not artifical unloading, improve degree of automation, reduce workman intensity of labour.

In addition, considering that upstream equipment does not go to make the machine idle in the production process, or want to carry out the condition of specifically detecting certain batch of products with this machine, then can add a set of TRAY dish feeding unit in the material loading section, this TRAY dish feeding unit includes a set of TRAY dish lifting unit, a panoramic camera subassembly of setting in TRAY dish lifting unit top, and a AGV dolly of setting at TRAY dish lifting unit side then, AGV dolly automatic feeding, TRAY dish reaches and gets the material position after, get the material by first six robots 20, because the material in the TRAY dish openly up, so need to overturn 180 with the material earlier, place on first transfer conveying mechanism 22 again, then carry out subsequent processes such as "sweeping the sign indicating number + washing + detecting", can simplify the material loading flow to a certain extent.

Correspondingly, the panoramic camera assembly may be designed with reference to the panoramic camera detection unit 85 for confirming the exact position of the TRAY.

The invention has been further described with reference to specific embodiments, but it should be understood that the detailed description is not to be construed as limiting the spirit and scope of the invention, but rather as providing those skilled in the art with the benefit of this disclosure with the benefit of their various modifications to the described embodiments.

Claims (10)

1. An AOI inspection device for an OLED module, characterized in that:

the automatic feeding and unloading device comprises a frame, and a feeding and transferring device, a turnover feeding device, a code scanning device, a static electricity removing and cleaning device, a visual alignment device, an AOI visual detection device, a turnover unloading device and a classification unloading device which are sequentially arranged on the frame.

2. The AOI inspection device for OLED modules according to claim 1, wherein:

the visual alignment device comprises a visual positioning assembly, a material transfer manipulator used for conveying materials to the AOI visual detection device, and a material transfer mechanism used for transferring bearing materials;

wherein, the manipulator is transported to the material with the material transport to the material in transfer on the mechanism, through camera in the vision positioning module is photographed the material, shoots and acquires material position information to feed back to the manipulator is transported to the material, and the manipulator is transported to the material carries out the position offset through the position information of vision positioning module and corrects, realizes the thick counterpoint of material, and transport to AOI vision detection device on.

3. The AOI inspection device for OLED modules according to claim 1, wherein:

the AOI visual inspection device comprises a visual inspection base installed on the frame, a visual inspection portal frame and a visual inspection transfer mechanism installed on the visual inspection base, and a visual inspection mechanism installed on the visual inspection portal frame, wherein the visual inspection base and the visual inspection portal frame are made of marble materials.

4. An AOI inspection device for OLED modules according to claim 3, characterized in that:

the visual detection transfer mechanism in the AOI visual detection device comprises a fourth transfer linear motor module, an alignment platform unit arranged on the fourth transfer linear motor module and a vacuum carrier arranged on the alignment platform unit.

5. The AOI inspection device for OLED modules according to claim 3 or 4, wherein:

the visual detection mechanism is arranged on the visual detection portal frame and comprises at least one group of detection units; correspondingly, each group of detection units comprises a high-precision camera assembly and a fine alignment assembly, wherein the fine alignment assembly is arranged on one side of the visual detection portal frame, each fine alignment assembly consists of two sets of edge shooting cameras and one set of round hole cameras, the two sets of edge shooting cameras are arranged in a straight line, are arranged at the right edge of a material for edge scanning and shooting, and are matched with the round hole cameras to realize fine positioning and shooting of the material;

the high-precision camera component is arranged on the other side of the visual detection portal frame and used for detecting the appearance of the precisely aligned material.

6. The AOI inspection device for OLED modules according to claim 1, wherein:

the feeding transfer device comprises a feeding transfer manipulator and a feeding transfer mechanism arranged beside the feeding transfer manipulator;

the feeding and transferring manipulator comprises a feeding and transferring portal frame, a first transferring linear module arranged on the feeding and transferring portal frame, a second transferring linear module arranged on the first transferring linear module, and a first feeding and transferring suction disc element arranged at the bottom of the second transferring linear module, wherein the sliding direction of the first transferring linear module is perpendicular to the sliding direction of the second transferring linear module; the first feeding transfer suction disc piece is used for sucking materials and achieving grabbing of the materials.

7. The AOI inspection device for OLED modules of claim 6, wherein:

the feeding transfer mechanism comprises a screw hand wheel assembly arranged on the frame, a feeding transfer base slidably arranged on the screw hand wheel assembly, a third transfer linear module arranged on the feeding transfer base, and a second feeding transfer suction disc element arranged on the third transfer linear module;

the second feeding transfer sucker comprises a sucker support table arranged on the third transfer linear module, a second sucker mounting frame arranged on the sucker support table, and second vacuum suckers arranged at the bottom of the second sucker mounting frame at intervals;

the sliding direction of the feeding transfer base on the screw hand wheel assembly is mutually perpendicular to the sliding direction of the third transfer linear module.

8. The AOI inspection device for OLED modules according to claim 1, wherein:

the overturning feeding device comprises a first six-axis robot, an overturning feeding mechanism and a first transferring and conveying mechanism, wherein the first six-axis robot, the overturning feeding mechanism and the first transferring and conveying mechanism are arranged around the output end of the feeding transfer device;

the turnover feeding mechanism comprises a first turnover feeding linear module, a second turnover feeding linear module and a turnover feeding assembly, wherein the second turnover feeding linear module is installed on the first turnover feeding linear module, and the turnover feeding assembly is installed on the second turnover feeding linear module, and the sliding directions of the first turnover feeding linear module and the second turnover feeding linear module are mutually perpendicular; the overturning feeding assembly comprises an overturning feeding motor and an overturning feeding jig in driving connection with the overturning feeding motor.

9. The AOI inspection device for OLED modules according to claim 1, wherein:

the static-removing cleaning device comprises a cleaning portal frame, a cleaning transfer mechanism and a static-removing cleaning mechanism, wherein the cleaning transfer mechanism and the static-removing cleaning mechanism are arranged on the cleaning portal frame;

the cleaning and transferring mechanism is used for transferring materials at the output end of the code scanning device to the static-removing cleaning mechanism, and the static-removing cleaning mechanism is used for removing static and cleaning the materials.

10. The AOI inspection device for OLED modules according to claim 1, wherein:

the sorting and blanking device comprises a transfer platform unit arranged at the output end of the overturning and blanking device, a blanking transfer unit, a TRAY disc blanking unit and a six-axis blanking robot which are arranged at the periphery of the transfer platform unit;

the six-axis blanking robot is matched with the blanking transfer unit and the TRAY disc blanking unit, and correspondingly, materials on the transfer platform unit are respectively placed on the blanking transfer unit and the TRAY disc blanking unit after being classified and screened.