Automatic optical detection equipment for coating and spraying of glass cover plate

Abstract

The invention discloses a glass cover plate coating spraying automatic optical detection device which comprises a rack, one side of the rack is fixedly connected with a fog making boiler, a feeding conveying mechanism is arranged at the position, close to the fog making boiler, of the top face of the rack, and a detection carrying mechanism is arranged in the middle of the top face of the rack. An air knife and a spray detection mechanism are arranged on the top surface of the rack and located on the inner side of the detection carrying mechanism; according to the invention, machine vision detection is adopted to solve the problem of missing detection or false detection caused by human factors, machine vision can more accurately detect the situation of poor film coating, the situation that some tiny poor film coating is possibly ignored due to long-time working fatigue in manual detection is avoided, machine vision can continuously and stably carry out high-precision detection, and the detection accuracy is improved. A large number of glass cover plates are rapidly detected, the detection efficiency is improved, secondary heating is adopted for mist recovery during detection, a hot air knife is adopted for drying an adsorption device, and it is avoided that when the cover plates are adsorbed, condensate water falls on the cover plates, and detection misjudgment is caused.

Description

Technical Field

[0001] The invention relates to the technical field of glass cover plate coating detection equipment, and in particular to an automatic optical detection equipment for glass cover plate coating spray. Background Art

[0002] In the fields of smart phones, tablet computers, smart watches, cars, smart TVs, etc., there are many problems with poor coating, uneven coating, and no coating on the glass cover. Uneven coating thickness may lead to inconsistent optical performance and affect the display effect of the mobile phone screen. Scratches, abrasions, bumps, spots or patterns, coating shedding, edge collapse and other defects not only affect the appearance quality of the mobile phone, but also may have an adverse effect on the performance and service life, thereby affecting the user experience. Therefore, the quality and uniformity of the coating should be strictly controlled during the production process. Automatic optical inspection of the coating spray on the glass cover is particularly necessary. At present, manual inspection is mainly used, but manual inspection has the following defects: During manual inspection, some minor coating defects may be overlooked due to fatigue from long hours of work, resulting in low efficiency and inaccurate inspection results.

[0003] To this end, we propose an automatic optical inspection device for glass cover coating spray to solve the above problems. Summary of the invention

[0004] The object of the present invention is to provide an automatic optical inspection device for glass cover plate coating spray to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an automatic optical inspection device for glass cover plate coating spray, comprising a frame, one side of the frame is fixedly connected to a fog-making boiler, a loading and conveying mechanism is arranged on the top surface of the frame near the fog-making boiler, a detection and transporting mechanism is arranged in the middle of the top surface of the frame, a wind knife and a spray detection mechanism are arranged on the top surface of the frame at the inner side of the detection and transporting mechanism, an NG unloading manipulator is arranged on the side of the top surface of the frame away from the loading and conveying mechanism, an NG bin mechanism is arranged on the frame near the NG unloading manipulator, and the outside of the frame is fixedly connected to the outer cover of the casing; The air knife and spray detection mechanism includes a mist recovery device, a hot air knife, a line scanning detection mechanism and a spray head. The hot air knife and the spray head heater are fixedly connected to the top surface of the frame, the spray head heater is fixedly connected to the spray head, the mist recovery device is fixedly connected to the outer cover of the casing, the mist recovery device is located directly above the hot air knife and the spray head heater, and the bottom surface of the mist recovery device is fixedly connected to the recovery device heater.

[0006] Preferably, the detection and transport mechanism includes two transport linear motors, the two transport linear motors are parallel to each other, the transport linear motors are fixedly connected to the top surface of the frame, a transport lifting module is fixedly connected to the mover of the transport linear motor, a transport adsorption mechanism is fixedly connected to the mover of the transport lifting module, and the wind knife and spray detection mechanism is arranged between the two transport linear motors.

[0007] Preferably, a bracket is fixedly connected to a position corresponding to the loading conveyor mechanism on the top surface of the frame, and the loading conveyor mechanism includes two loading conveyor belts, the two loading conveyor belts are fixedly connected to the inner side of the bracket, one end of the two loading conveyor belts is vertically slidably provided with a loading bin material box adsorption and lifting mechanism, and the other end of the two loading conveyor belts is vertically slidably provided with a loading empty box lifting mechanism, a full box loading bin is placed on the top surface of the loading bin material box adsorption and lifting mechanism, a full box loading bin is fixedly connected to the top side wall of the loading bin material box adsorption and lifting mechanism, and an empty box loading bin is placed on the top surface of the empty box loading lifting mechanism, and a material unloading position to be inspected is placed on the two loading conveyor belts, a loading box positioning mechanism is fixedly connected to the middle part between the two loading conveyor belts, and a loading box blocking mechanism is fixedly connected between the two feeding conveyor belts near the position of the empty box loading lifting mechanism.

[0008] Preferably, the feeding robot comprises a robot fixedly connected to the top surface of the frame, and the output end of the robot is fixedly connected to the feeding adsorption mechanism.

[0009] Preferably, the flipping and scanning mechanism includes a base fixed to the top surface of the frame, the top surface of the base fixed to the alignment platform translation module, the mover of the alignment platform translation module fixed to the alignment mechanism, the top surface of the base fixed to the flipping mechanism at a position above the alignment platform translation module, the top surface of the base vertically fixed to the vertical frame, and the side wall at the top of the vertical frame fixed to the scanning mechanism.

[0010] Preferably, the unloading conveying mechanism includes a main frame fixedly connected to the top surface of the frame, a plurality of belt lines are arranged on the main frame, two of the belt lines are provided with product unloading positions, a unloading turning mechanism is arranged on the main frame, a plurality of unloading sorting positions are arranged on the main frame, an unloading blocking lifting cylinder is fixedly connected to the main frame near the unloading sorting position, a plurality of unloading blocking blocks are evenly fixedly connected to the top surface of the output end of the unloading blocking lifting cylinder, and a unloading belt conveying motor is fixedly connected to the bottom of the end of the main frame.

[0011] Preferably, the material unloading and flipping mechanism includes a frame, the top of the frame is horizontally rotatably connected to a flip shaft, a plurality of material unloading and flipping blocks are evenly fixedly sleeved on the flip shaft, the bottom of the main frame is fixedly connected to a material unloading and flipping lifting cylinder, the output end of the material unloading and flipping lifting cylinder is fixedly connected to the bottom surface of the frame, and the end of the bottom surface of the frame is fixedly connected to a material unloading and flipping drive motor.

[0012] Preferably, the NG unloading robot includes an NG unloading linear motor, which is fixed to the top surface of the frame, and the mover of the NG unloading linear motor is fixed to an NG unloading lifting cylinder, the output end of the NG unloading lifting cylinder is fixed to an NG unloading translation cylinder, and the output end of the NG unloading translation cylinder is fixed to an NG unloading adsorption device.

[0013] Preferably, the NG bin mechanism includes an NG empty box stacking bin, which is fixedly connected to the top surface of the frame, to which the NG unloading lifting module is vertically fixedly connected, to which the NG unloading lifting module is fixedly connected to the mover of the NG unloading lifting module, to which the top end of the NG unloading lifting cylinder is fixedly connected, to which the NG unloading position is fixedly connected, to which the top surface of the NG unloading position is fixedly connected to the NG full box stacking bin, to which the NG unloading box cutting cylinder and the NG unloading box separating cylinder are fixedly connected, and an NG unloading full box bin is placed on the top surface of the NG full box stacking bin.

[0014] Preferably, two three-color lights are fixedly connected to the top of the casing cover, the FFU and the industrial computer are fixedly connected to the top surface of the casing cover, the power interface, the air source interface and the touch screen are fixedly connected to the side wall of the casing cover, and the keyboard and the display are also fixedly connected to the side wall of the casing cover.

[0015] Compared with the prior art, the present invention has the following beneficial effects: The present invention adopts machine vision detection to solve the problem of missed detection or false detection caused by human factors. Machine vision can detect poor coating more accurately and avoid manual detection that may ignore some minor poor coating due to fatigue from long-term work. Machine vision can continuously and stably perform high-precision detection and quickly detect a large number of glass cover plates to improve detection efficiency. During detection, fog recovery adopts secondary heating and the adsorption device adopts hot air knife to dry, so as to avoid condensed water falling on the cover plate when adsorbing the cover plate and causing misjudgment of detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the main structure in the first and second embodiments of the present invention; Figure 2 It is a schematic diagram of the structure of the other side of the main body in the first and second embodiments of the present invention; Figure 3 It is a schematic diagram of the internal structure of the main body in the first and second embodiments of the present invention; Figure 4 It is a schematic diagram of the structure of the other side of the main body in the first and second embodiments of the present invention; Figure 5 It is a structural schematic diagram of the feeding and conveying mechanism in the first and second embodiments of the present invention; Figure 6 It is a schematic diagram of the bottom structure of the feeding and conveying mechanism in the first and second embodiments of the present invention; Figure 7 It is a structural schematic diagram of the loading robot in the first and second embodiments of the present invention; Figure 8 It is a structural schematic diagram of the flipping and code scanning mechanism in the first and second embodiments of the present invention; Figure 9 It is a structural schematic diagram of the detection and transport mechanism in the first and second embodiments of the present invention; Figure 10 It is a schematic diagram of the structure of the wind knife and spray detection mechanism in the first and second embodiments of the present invention; Figure 11 It is a structural schematic diagram of the material unloading and conveying mechanism in the second embodiment of the present invention; Figure 12 It is a structural schematic diagram of the blanking and turning mechanism in the second embodiment of the present invention; Figure 13 This is a structural schematic diagram of a material removal blocking block in a second embodiment of the present invention; Figure 14 This is a structural schematic diagram of the NG unloading robot in the second embodiment of the present invention; Figure 15 This is a structural diagram of the NG bin mechanism in the second embodiment of the present invention; Figure 16 It is a structural schematic diagram of the NG material unloading lifting module in the second embodiment of the present invention.

[0017] In the figure: 1. Rack; 2. Housing cover; 3. Feeding and conveying mechanism; 4. Feeding robot; 5. Flipping and scanning mechanism; 6. Detection and handling mechanism; 7. Air knife and spray detection mechanism; 8. Unloading and conveying mechanism; 9. NG unloading manipulator; 10. NG bin mechanism; 11. Mist boiler; 12. Bracket; 21. Three-color light; 22. FFU; 23. Industrial computer; 24. Power interface; 25. Air source interface; 26. Touch screen; 27. Keyboard; 28. Display; 31. Full box bin for feeding; 3 2. Full box cutting mechanism; 33. Feeding conveyor belt; 34. Feeding bin box adsorption lifting mechanism; 35. Unloading position of materials to be inspected; 36. Feeding box positioning mechanism; 37. Feeding box blocking mechanism; 38. Feeding empty box lifting mechanism; 39. Feeding empty box stacking bin; 41. Robot; 42. Feeding adsorption mechanism; 51. Flipping mechanism; 52. Correction platform translation module; 53. Correction mechanism; 54. Code scanning mechanism; 55. Bottom platform; 56. Stand; 61. Handling linear motor; 62. Handling and lifting module; 63, handling and adsorption mechanism; 71, mist recovery device; 72, recovery device heater; 73, hot air knife; 74, spray head heater; 75, line scanning detection mechanism; 76, spray head; 81, unloading belt conveyor motor; 82, product unloading position; 83, unloading flipping mechanism; 831, frame; 832, flip shaft; 833, unloading flipping block; 834, unloading flipping lifting cylinder; 835, unloading flipping drive motor; 84, main frame; 85, belt line; 87, unloading Sorting position; 88, unloading blocking lifting cylinder; 89, unloading blocking block; 91, NG unloading linear motor; 92, NG unloading lifting cylinder 93, NG unloading translation cylinder; 94, NG unloading adsorption device; 101, NG unloading box cutting cylinder; 102, NG unloading box separating cylinder; 103, NG unloading lifting module; 104, NG product unloading position; 105, NG product unloading lifting cylinder; 106, NG product unloading full box bin; 107, NG full box stacking bin; 108, NG empty box stacking bin. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. Example

[0019] See also Figure 1-10The present invention provides a technical solution: an automatic optical inspection device for coating spray on a glass cover plate, comprising a frame 1, a fog boiler 11 is fixedly connected to one side of the frame 1, a feeding conveying mechanism 3 is arranged on the top surface of the frame 1 near the fog boiler 11, a detection and transporting mechanism 6 is arranged in the middle of the top surface of the frame 1, a wind knife and a spray detection mechanism 7 are arranged on the top surface of the frame 1 at the inner side of the detection and transporting mechanism 6, an NG unloading manipulator 9 is arranged on the side of the top surface of the frame 1 away from the feeding conveying mechanism 3, an NG bin mechanism 10 is arranged on the frame 1 near the NG unloading manipulator 9, and a casing cover 2 is fixedly connected to the outside of the frame 1; The wind knife and spray detection mechanism 7 includes a mist recovery device 71, a hot air knife 73, a line scanning detection mechanism 75 and a spray head 76. The hot air knife 73 and the spray head heater 74 are fixedly connected to the top surface of the frame 1, the spray head heater 74 is fixedly connected to the spray head 76, the mist recovery device 71 is fixedly connected to the casing cover 2, the mist recovery device 71 is located directly above the hot air knife 73 and the spray head heater 74, and the bottom surface of the mist recovery device 71 is fixedly connected to the recovery device heater 72. The purpose of the recovery device heater 72 is to avoid mist condensation, and the purpose of the spray head heater 74 is to heat to avoid mist condensation. Example

[0020] See also Figure 1-16 , which is the second embodiment of the present invention. This embodiment is based on the previous embodiment. The detection and transport mechanism 6 includes two transport linear motors 61. The two transport linear motors 61 are parallel to each other. The transport linear motor 61 is fixed to the top surface of the frame 1. A transport lifting module 62 is fixed to the mover of the transport linear motor 61. The mover of the transport lifting module 62 is fixed to a transport adsorption mechanism 63. The wind knife and spray detection mechanism 7 are arranged between the two transport linear motors 61. The transport linear motor 61 and the transport adsorption mechanism 63 on the transport lifting module 62 alternately take 5 glass cover plates and transport them to the top of the spray head 76 for spraying, and then move them to the line scanning detection mechanism 75 for line scanning and flying shooting, and transmit the obtained data to the industrial computer 23 in real time. The appearance of the glass cover plate is judged to be OK or NG through the software AI algorithm analysis, and the appearance detection of the tested glass cover plate is completed.

[0021] A bracket 12 is fixedly connected to the position of the feeding conveying mechanism 3 corresponding to the top surface of the frame 1, and the feeding conveying mechanism 3 includes two feeding conveying belts 33, the two feeding conveying belts 33 are fixedly connected to the inner side of the bracket 12, one end of the two feeding conveying belts 33 is vertically slidably provided with a feeding bin material box adsorption and lifting mechanism 34, and the other end of the two feeding conveying belts 33 is vertically slidably provided with a feeding empty box lifting mechanism 38, a feeding full box bin 31 is placed on the top surface of the feeding bin material box adsorption and lifting mechanism 34, a feeding full box cutting mechanism 32 is fixedly connected to the top side wall of the feeding bin material box adsorption and lifting mechanism 34, and a feeding empty box stacking bin 39 is placed on the top surface of the feeding empty box lifting mechanism 38, a material unloading position 35 to be inspected is placed on the two feeding conveying belts 33, a feeding box positioning mechanism 36 is fixedly connected to the middle part between the two feeding conveying belts 33, and a feeding box blocking mechanism 37 is fixedly connected between the two feeding conveying belts 33 near the position of the feeding empty box lifting mechanism 38.

[0022] The feeding robot 4 comprises a robot 41 fixedly connected to the top surface of the frame 1 , and an output end of the robot 41 is fixedly connected to a feeding adsorption mechanism 42 .

[0023] The flipping and scanning mechanism 5 includes a base 55 fixedly connected to the top surface of the frame 1, the top surface of the base 55 is fixedly connected to the correction platform translation module 52, the correction mechanism 53 is fixedly connected to the mover of the correction platform translation module 52, the top surface of the base 55 is located above the correction platform translation module 52 and is fixedly connected to the flipping mechanism 51, the top surface of the base 55 is vertically fixedly connected to the vertical frame 56, and the side wall at the top of the vertical frame 56 is fixedly connected to the scanning mechanism 54.

[0024] The unloading conveying mechanism 8 includes a main frame 84 fixedly connected to the top surface of the frame 1, and a plurality of belt lines 85 are arranged on the main frame 84, wherein product unloading positions 82 are placed on two of the belt lines 85, a unloading turning mechanism 83 is arranged on the main frame 84, and a plurality of unloading sorting positions 87 are arranged on the main frame 84. A unloading blocking lifting cylinder 88 is fixedly connected to the main frame 84 near the unloading sorting position 87, and a plurality of unloading blocking blocks 89 are evenly fixedly connected to the top surface of the output end of the unloading blocking lifting cylinder 88, and a unloading belt conveying motor 81 is fixedly connected to the bottom of the end of the main frame 84.

[0025] The material unloading and turning mechanism 83 includes a frame 831, the top of the frame 831 is horizontally rotatably connected to the turning shaft 832, and multiple material unloading and turning blocks 833 are evenly fixedly sleeved on the turning shaft 832. The bottom of the main frame 84 is fixedly connected to the material unloading and turning lifting cylinder 834, and the output end of the material unloading and turning lifting cylinder 834 is fixedly connected to the bottom surface of the frame 831, and the end of the bottom surface of the frame 831 is fixedly connected to the material unloading and turning drive motor 835.

[0026] The NG unloading robot 9 includes an NG unloading linear motor 91, which is fixedly connected to the top surface of the frame 1, and a NG unloading lifting cylinder 92 is fixedly connected to the mover of the NG unloading linear motor 91, and an output end of the NG unloading lifting cylinder 92 is fixedly connected to an NG unloading translation cylinder 93, and an output end of the NG unloading translation cylinder 93 is fixedly connected to an NG unloading adsorption device 94.

[0027] The NG bin mechanism 10 includes an NG empty box stacking bin 108, which is fixedly connected to the top surface of the frame 1, and the NG unloading lifting module 103 is vertically fixedly connected to the frame 1, and the NG unloading lifting module 103 is fixedly connected to the mover of the NG unloading lifting module 103, and the top of the output end of the NG unloading lifting cylinder 105 is fixedly connected to the NG unloading position 104, and the top surface of the NG unloading position 104 is fixedly connected to the NG full box stacking bin 107, and the top surface side wall of the NG empty box stacking bin 108 is fixedly connected to the NG unloading box cutting cylinder 101 and the NG unloading box separating cylinder 102, and the top surface of the NG full box stacking bin 107 is placed with the NG product unloading full box bin 106.

[0028] Two three-color lights 21 are fixedly connected to the top of the casing cover 2, FFU 22 and industrial computer 23 are fixedly connected to the top surface of the casing cover 2, power interface 24, air source interface 25 and touch screen 26 are fixedly connected to the side wall of the casing cover 2, and keyboard 27 and display 28 are also fixedly connected to the side wall of the casing cover 2. Example

[0029] See also Figure 1-16, which is the third embodiment of the present invention. This embodiment is based on the above two embodiments. When the present invention is used, the equipment is first manually operated to open the fog boiler 11, the fog recovery device 71, the recovery device heater 72, the spray head heater 74, and the hot air knife 73 in advance at the same time. The fog boiler 11 makes fog 10 minutes in advance and controls the size of the fog through the high-temperature proportional valve. The empty blister boxes are manually stacked into the NG empty box stacking bin 108, and the blister boxes filled with products are stacked into the full box bin 31 of the loading and conveying mechanism 3. Then it is started, and the NG unloading box cutting cylinder 101 and the NG unloading box separating cylinder 102 respectively drive the mechanism to put down an empty blister box filled with NG products, and the NG unloading lifting module 103 rises, and the NG product unloading top lifting gas The cylinder 105 lifts up to catch the lowered empty blister box and then descends to the NG product unloading position 104 to wait. The loading full box cutting mechanism 32 puts a blister box down. The loading bin box adsorption lifting mechanism 34 rises to adsorb the blister box and places the product on the loading conveyor belt 33. The loading conveyor belt 33 conveys the blister box to the unloading position 35 of the material to be inspected. The loading box blocking mechanism 37 lifts up to block. The loading box positioning mechanism 36 lifts up to fix the blister box and waits for the loading robot 4 to take the product. After taking the product, the loading box positioning mechanism 36 and the loading box blocking mechanism 37 descend, the loading conveyor belt 33 conveys the empty blister box to the empty box unloading position, the loading empty box lifting mechanism 38 lifts the empty box and sends it to the loading empty box stacking bin 39, and the robot 41 drives The dynamic feeding adsorption mechanism 42 puts the product on the flipping mechanism 51 of the flipping and scanning mechanism 5. The flipping mechanism 51 flips 180° after adsorption and puts the product on the correcting mechanism 53 (if the product does not need to be flipped, it is directly placed on the correcting mechanism 53). After correction, the correcting platform translation module 52 sends the product to the scanning mechanism 54 for scanning. The purpose of scanning is to facilitate subsequent sorting. After completion, it moves to the left transport linear motor 61. The transport linear motor 61 drives the transport lifting module 62 to descend. The transport adsorption mechanism 63 adsorbs the product and then moves it to the spray head 76 for spraying. After the spraying is completed, it moves to the line scanning detection mechanism 75 for detection. After the detection is completed, it moves to the product unloading position 82 of the unloading conveying mechanism 8, and then rises and returns to the wind knife and spray The detection mechanism 7 dries the suction nozzle (to prevent the mist sprayed on the suction nozzle from condensing into water and falling on the product during the return journey, causing misjudgment of the detection), waiting for the next material collection, the right-side transport linear motor 61 alternately performs the same action as the left-side transport linear motor 61 above, and after the product unloading position 82 senses that there is material, the unloading belt conveyor motor 81 drives the product on the belt to the unloading turning mechanism 83, and the unloading turning lifting cylinder 834 lifts the product (if the product does not need to be turned, it will not be lifted and the product will flow directly to the unloading sorting), the unloading turning drive motor 835 drives the unloading turning block 833 to flip the product 180°, and put it on the unloading conveying mechanism 8 again, and flow to the unloading sorting position 87, the unloading blocking lifting cylinder 88 drives the unloading blocking block 89 to block the product,The NG unloading linear motor 91 of the NG unloading manipulator 9 is driven by translation, and the NG unloading lifting cylinder 92 lifts the NG unloading adsorption device 94 to adsorb 5 pieces of products and then move it to the NG product unloading position 104, and unload the products into the corresponding 5 acupuncture points. When 5 pieces of materials are taken for the second time, the NG unloading translation cylinder 93 translates one position and places the 5 pieces of products into the other 5 acupuncture points of the blister box. The above actions are repeated once. After 20 blister boxes are stacked, the NG unloading lifting module 103 and the NG product unloading lifting cylinder 105 are lowered to place the full blister box into the NG product unloading full box warehouse 106 for stacking. , manually pull out the NG products and remove them from the full box bin 106; the present invention adopts machine vision detection to solve the problem of missed detection or false detection caused by human factors. Machine vision can detect the poor coating more accurately, avoiding the possibility that manual detection may ignore some minor poor coating due to fatigue from long-term work. Machine vision can continuously and stably perform high-precision detection, quickly detect a large number of glass cover plates, and improve detection efficiency. During detection, the mist recovery adopts secondary heating, and the adsorption device adopts hot air knife to dry, so as to avoid condensed water falling on the cover plate when adsorbing the cover plate, causing misjudgment of detection. ,

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic optical inspection device for coating spray on a glass cover, comprising a frame (1), characterized in that: One side of the frame (1) is fixedly connected to the mist boiler (11); a loading and conveying mechanism (3) is arranged on the top surface of the frame (1) near the mist boiler (11); a detection and conveying mechanism (6) is arranged in the middle of the top surface of the frame (1); a wind knife and a spray detection mechanism (7) are arranged on the top surface of the frame (1) at a position inside the detection and conveying mechanism (6); an NG unloading manipulator (9) is arranged on the side of the top surface of the frame (1) away from the loading and conveying mechanism (3); an NG bin mechanism (10) is arranged on the frame (1) near the NG unloading manipulator (9); and the outside of the frame (1) is fixedly connected to the casing cover (2); The air knife and spray detection mechanism (7) comprises a mist recovery device (71), a hot air knife (73), a line scanning detection mechanism (75) and a spray head (76); the hot air knife (73) and the spray head heater (74) are fixedly connected to the top surface of the frame (1); the spray head (76) is fixedly connected to the spray head heater (74); the mist recovery device (71) is fixedly connected to the outer cover of the casing (2); the mist recovery device (71) is located directly above the hot air knife (73) and the spray head heater (74); and the bottom surface of the mist recovery device (71) is fixedly connected to the recovery device heater (72).

2. The automatic optical inspection equipment for glass cover plate coating spray according to claim 1, characterized in that: The detection and transport mechanism (6) comprises two transport linear motors (61), the two transport linear motors (61) are parallel to each other, the transport linear motors (61) are fixedly connected to the top surface of the frame (1), a transport lifting module (62) is fixedly connected to the mover of the transport linear motor (61), a transport adsorption mechanism (63) is fixedly connected to the mover of the transport lifting module (62), and the air knife and spray detection mechanism (7) is arranged between the two transport linear motors (61).

3. The automatic optical inspection equipment for glass cover plate coating spray according to claim 1, characterized in that: A bracket (12) is fixedly connected to the top surface of the frame (1) at a position corresponding to the feeding conveying mechanism (3), and the feeding conveying mechanism (3) comprises two feeding conveying belts (33), the two feeding conveying belts (33) are fixedly connected to the inner side of the bracket (12), one end of the two feeding conveying belts (33) is vertically slidably provided with a feeding bin material box adsorption lifting mechanism (34), the other end of the two feeding conveying belts (33) is vertically slidably provided with a feeding empty box lifting mechanism (38), and the top surface of the feeding bin material box adsorption lifting mechanism (34) is provided with a feeding bin material box adsorption lifting mechanism (38). A full box bin (31), a top side wall of the feeding bin material box adsorption and lifting mechanism (34) is fixedly connected to a full box feeding cutting mechanism (32), a top surface of the empty box feeding lifting mechanism (38) is provided with an empty box feeding stacking bin (39), a material unloading position (35) for inspected materials is placed on the two feeding conveyor belts (33), a feeding box positioning mechanism (36) is fixedly connected in the middle between the two feeding conveyor belts (33), and a feeding box blocking mechanism (37) is fixedly connected between the two feeding conveyor belts (33) near the empty box feeding lifting mechanism (38).

4. The automatic optical inspection equipment for glass cover plate coating spray according to claim 1, characterized in that: The feeding robot (4) comprises a robot (41) fixedly connected to the top surface of the frame (1), and an output end of the robot (41) is fixedly connected to a feeding adsorption mechanism (42).

5. The automatic optical inspection equipment for glass cover plate coating spray according to claim 1, characterized in that: The flipping and code scanning mechanism (5) comprises a base (55) fixedly connected to the top surface of the frame (1); the top surface of the base (55) is fixedly connected to the return platform translation module (52); the return mechanism (53) is fixedly connected to the mover of the return platform translation module (52); the top surface of the base (55) is fixedly connected to the flipping mechanism (51) at a position above the return platform translation module (52); the top surface of the base (55) is vertically fixedly connected to the stand (56); and the side wall at the top end of the stand (56) is fixedly connected to the code scanning mechanism (54).

6. The automatic optical inspection equipment for glass cover plate coating spray according to claim 1, characterized in that: The material unloading conveying mechanism (8) comprises a main frame (84) fixedly connected to the top surface of the frame (1), a plurality of belt lines (85) being arranged on the main frame (84), wherein two of the belt lines (85) are provided with product unloading positions (82), a material unloading turning mechanism (83) being arranged on the main frame (84), a plurality of material unloading sorting positions (87) being arranged on the main frame (84), a material unloading blocking lifting cylinder (88) being fixedly connected near the material unloading sorting position (87) on the main frame (84), a plurality of material unloading blocking blocks (89) being evenly fixedly connected to the top surface of the output end of the material unloading blocking lifting cylinder (88), and a material unloading belt conveying motor (81) being fixedly connected to the bottom of the end of the main frame (84).

7. The automatic optical inspection device for coating spray of glass cover plate according to claim 6, characterized in that: The material unloading and turning mechanism (83) comprises a frame (831), the top of the frame (831) is horizontally rotatably connected to a turning shaft (832), a plurality of material unloading and turning blocks (833) are evenly and fixedly sleeved on the turning shaft (832), the bottom of the main frame (84) is fixedly connected to a material unloading and turning lifting cylinder (834), the output end of the material unloading and turning lifting cylinder (834) is fixedly connected to the bottom surface of the frame (831), and the end of the bottom surface of the frame (831) is fixedly connected to a material unloading and turning driving motor (835).

8. The automatic optical inspection equipment for glass cover plate coating spray according to claim 1, characterized in that: The NG material unloading robot (9) comprises an NG material unloading linear motor (91), the NG material unloading linear motor (91) is fixedly connected to the top surface of the frame (1), the mover of the NG material unloading linear motor (91) is fixedly connected to an NG material unloading lifting cylinder (92), the output end of the NG material unloading lifting cylinder (92) is fixedly connected to an NG material unloading translation cylinder (93), and the output end of the NG material unloading translation cylinder (93) is fixedly connected to an NG material unloading adsorption device (94).

9. The automatic optical inspection device for glass cover plate coating spray according to claim 1, characterized in that: The NG bin mechanism (10) comprises an NG empty box stacking bin (108), the NG empty box stacking bin (108) is fixedly connected to the top surface of the frame (1), the frame (1) is vertically fixedly connected to an NG unloading lifting module (103), the NG unloading lifting module (103) is fixedly connected to a NG product unloading lifting cylinder (105) on a mover, the top end of the NG product unloading lifting cylinder (105) is fixedly connected to an NG product unloading position (104), the top surface of the NG product unloading position (104) is fixedly connected to an NG full box stacking bin (107), the top surface side wall of the NG empty box stacking bin (108) is fixedly connected to an NG unloading box cutting cylinder (101) and an NG unloading box separating cylinder (102), and an NG product unloading full box bin (106) is placed on the top surface of the NG full box stacking bin (107).

10. The automatic optical inspection equipment for glass cover plate coating spray according to claim 1, characterized in that: The top of the housing cover (2) is fixedly connected to two three-color lights (21); the top surface of the housing cover (2) is fixedly connected to an FFU (22) and an industrial computer (23); the side wall of the housing cover (2) is fixedly connected to a power supply interface (24), an air source interface (25) and a touch screen (26); the side wall of the housing cover (2) is also fixedly connected to a keyboard (27) and a display (28).

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