Display screen patch detection equipment

Abstract

The utility model relates to the technical field of display screen production, and discloses a display screen patch detection device which comprises a rack, a first conveying belt is movably installed on one side of the rack, a third conveying belt is movably installed on the side, opposite to the first conveying belt, of the rack, and a second conveying belt is movably installed on the rack. A mounting frame is fixedly mounted on the rack, a visual detector is movably mounted on the mounting frame, a clamping auxiliary mechanism is arranged on the rack, and a driving mechanism is arranged on the rack. According to the utility model, through the arrangement of the clamping auxiliary mechanism, multi-surface overturning operation is carried out on the display screen in the process of carrying out visual detection on the display screen by the visual detector, so that multi-surface visual detection is carried out on the display screen, and the detection effect is improved; and meanwhile, after detection, according to a visual detection result, through rotation of a first gear and a second gear, the display screens are overturned to a corresponding second transmission belt and a second conveying belt area, classified discharging operation is conducted on the display screens, and the overall production and machining efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of display screen production, in particular to a display screen patch detection device. Background Art

[0002] With the continuous innovation of display technology, SMD displays have become the mainstream. Compared with traditional displays, SMD displays are easier to assemble.

[0003] Usually, after the display screen is mounted, it is necessary to perform a patch inspection operation on the display screen. Generally, the efficiency of screening qualified and unqualified products after the display screen is screened by manual naked eye observation is low. However, when using visual inspection to inspect the display screen, only one side of the display screen can be inspected. However, the defect position of the display screen may be on different sides. Traditional inspection is difficult to realize multi-side inspection of the display screen, and it is difficult to realize the classification and unloading operation of the display screen according to the inspection results at the same time. The overall production efficiency needs to be further improved.

[0004] To this end, we propose a display screen patch detection device. Utility Model Content

[0005] The utility model mainly solves the technical problems existing in the above-mentioned prior art and provides a display screen patch detection device.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a display screen patch detection device, comprising a frame, a first conveyor belt is movably installed on one side of the frame, a third conveyor belt is movably installed on the side of the frame opposite to the first conveyor belt, a second conveyor belt is movably installed on the frame, a mounting frame is fixedly installed on the frame, a visual inspection instrument is movably installed on the mounting frame, a clamping auxiliary mechanism is arranged on the frame, and a driving mechanism is arranged on the frame;

[0007] The clamping auxiliary mechanism comprises a bearing platform, which is movably mounted on a frame, and four clamping blocks are movably mounted on the bearing platform.

[0008] Preferably, the clamping auxiliary mechanism further comprises a movable frame, four movable frames are movably mounted on the bearing platform, the movable frames are rotatably connected to the clamping blocks, and the bearing platform is arranged between the first conveyor belt, the second conveyor belt and the third conveyor belt.

[0009] Preferably, the driving mechanism comprises a movable platform, which is movably mounted on the frame, a rotating seat is rotatably mounted on the movable platform, four movable arms are rotatably mounted on the rotating seat, and a connecting plate is rotatably mounted on one end of the movable arm away from the rotating seat.

[0010] Preferably, one end of the movable arm is rotatably connected to the rotating seat, and the connecting plate and the movable frame are detachably connected via bolt fasteners.

[0011] Preferably, the driving mechanism further comprises a lifting platform, which is movably mounted on the frame, a fixing frame is fixedly mounted on the lifting platform, a linkage frame is rotatably mounted on the fixing frame, a mounting seat is rotatably mounted inside the linkage frame, and the mounting seat is fixedly connected to the movable platform.

[0012] Preferably, the driving mechanism further comprises a first gear, two first gears are rotatably mounted on a fixed frame, and two second gears are rotatably mounted on a linkage frame.

[0013] Preferably, one of the first gears is driven by a servo motor, and another first gear is fixedly connected to the linkage frame, and one of the second gears is driven by a servo motor, and another second gear is fixedly connected to the mounting seat.

[0014] The utility model provides a display screen patch detection device, which has the following improvements and advantages compared with the prior art: by providing a clamping auxiliary mechanism, after the display screen is patched, the display screen is lifted to the detection area by using a load-bearing platform, and the display screen is clamped in cooperation with a clamping block and a movable frame; during the detection process, the angle of the linkage frame can be adjusted by rotating the first gear, and the angle of the mounting seat can be adjusted by rotating the second gear, so as to achieve multi-angle adjustment of the display screen, so as to perform multi-faceted flipping operations on the display screen during the visual inspection of the display screen by a visual inspection instrument, so as to perform visual inspection on multiple faces of the display screen, thereby improving the detection effect; and after the inspection, the display screen is flipped to the corresponding second transmission belt and second conveyor belt area by rotating the first gear and the second gear according to the result of the visual inspection, so as to perform classified material unloading operations on the display screen, thereby improving the overall production and processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the implementation or the prior art description. Obviously, the drawings described below are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0016] Figure 1 A schematic diagram of the structure of a display screen patch detection device proposed by the utility model;

[0017] Figure 2 A schematic diagram of the side view structure of a display screen patch detection device proposed by the utility model;

[0018] Figure 3 A schematic diagram of the structure of a clamping auxiliary mechanism in a display screen patch detection device proposed by the utility model;

[0019] Figure 4 A schematic diagram of the structure of a driving mechanism in a display screen patch detection device proposed by the utility model;

[0020] Figure 5 The present invention is a schematic diagram of the local structure of a driving mechanism in a display screen patch detection device proposed by the present invention.

[0021] Legend:

[0022] 1. Frame; 2. First conveyor belt; 3. Second conveyor belt; 4. Third conveyor belt; 5. Mounting frame; 6. Visual inspection instrument; 7. Clamping auxiliary mechanism; 71. Loading platform; 72. Clamping block; 73. Movable frame; 8. Driving mechanism; 81. Lifting platform; 811. Fixed frame; 812. First gear; 813. Linkage frame; 814. Mounting seat; 815. Second gear; 82. Movable platform; 821. Rotating seat; 822. Movable arm; 823. Connecting plate. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] A display screen patch detection device, such as Figure 1 - Figure 5As shown, it includes a frame 1, a first conveyor belt 2 is movably installed on one side of the frame 1, and the first conveyor belt 2 can be used for display screen loading, a third conveyor belt 4 is movably installed on the side of the frame 1 opposite to the first conveyor belt 2, and the third conveyor belt 4 can be used for unloading qualified patch products, a second conveyor belt 3 is movably installed on the frame 1, and the second conveyor belt 3 is located in the middle of the first conveyor belt 2 and the third conveyor belt 4, and the second conveyor belt 3 can be used for unloading unqualified patch products, a mounting frame 5 is fixedly installed on the frame 1, and a visual inspection instrument 6 is movably installed on the mounting frame 5, and the visual inspection instrument 6 can be used for visual inspection operations of display screen patches, and the visual inspection instrument 6 is electrically connected to an external visual inspection system, and a clamping auxiliary mechanism 7 is provided on the frame 1. The auxiliary holding mechanism 7 can be used for clamping operations during display screen patch detection and to cooperate with subsequent unloading operations after the display screen detection. A driving mechanism 8 is provided on the frame 1, and the driving mechanism 8 can cooperate with the driving clamping auxiliary mechanism 7 to perform display screen patch detection and unloading operations; by providing the clamping auxiliary mechanism 7, after the display screen is mounted, the display screen is clamped by the clamping auxiliary mechanism 7 and the display screen is flipped on multiple sides during the process of visual inspection of the display screen by the visual inspection instrument 6, so as to perform visual inspection on multiple sides of the display screen and improve the inspection effect. At the same time, after the inspection, the display screen is classified and unloaded by the driving mechanism 8 in cooperation with the clamping auxiliary mechanism 7 according to the results of the visual inspection, thereby improving the overall production and processing efficiency.

[0025] Furthermore, the clamping auxiliary mechanism 7 also includes a movable frame 73, four movable frames 73 are movably installed on the supporting platform 71, the movable frame 73 is rotatably connected with the clamping block 72, and the supporting platform 71 is arranged between the first conveyor belt 2, the second conveyor belt 3 and the third conveyor belt 4; by providing the clamping auxiliary mechanism 7, after the display screen is pasted, the display screen is lifted to the detection area by using the supporting platform 71, and the display screen is clamped in cooperation with the clamping block 72 and the movable frame 73 to ensure the stability of subsequent detection. At the same time, after the detection, the clamping block 72 can release the display screen to perform classified unloading operations on the display screen.

[0026] Furthermore, the driving mechanism 8 includes a movable platform 82, which is movably mounted on the frame 1. A rotating seat 821 is rotatably mounted on the movable platform 82, and four movable arms 822 are rotatably mounted on the rotating seat 821. One end of the movable arm 822 is rotatably connected to the rotating seat 821, and an end of the movable arm 822 away from the rotating seat 821 is rotatably mounted with a connecting plate 823. The connecting plate 823 and the movable frame 73 are detachably connected by fasteners such as bolts, wherein an electric cylinder is fixedly mounted between two connecting plates 823, and the electric cylinder is electrically connected to the external controller. By providing the above-mentioned structure, the two connecting plates 823 can move away from or approach each other, and the four connecting plates 823 can be synchronously approached or moved away from each other by the movable arm 822 cooperating with the rotating seat 821, so as to realize the clamping or release operation of the display screen on the supporting platform 71.

[0027] Furthermore, the driving mechanism 8 also includes a lifting platform 81, which is movably installed on the frame 1. The lifting platform 81 is driven by an electric cylinder, which is electrically connected to the external controller. A fixed frame 811 is fixedly installed on the lifting platform 81, and the fixed frame 811 is a hollow structure. A linkage frame 813 is rotatably installed on the fixed frame 811, and the linkage frame 813 is a hollow structure. A mounting seat 814 is rotatably installed inside the linkage frame 813, and the mounting seat 814 is fixedly connected to the movable platform 82; by providing the above structure, the linkage frame 813 and the mounting seat 814 are rotated and tilted to different sides respectively, so that the display screen on the supporting platform 71 can be rotated at multiple angles during the process of being clamped for visual inspection to achieve multi-faceted inspection of the display screen.

[0028] Furthermore, the driving mechanism 8 also includes a first gear 812, two first gears 812 are rotatably mounted on the fixed frame 811, one of the first gears 812 is driven by a servo motor, the servo motor is electrically connected to the external controller, and the other first gear 812 is fixedly connected to the linkage frame 813, and two second gears 815 are rotatably mounted on the linkage frame 813, one of the second gears 815 is driven by a servo motor, the servo motor is electrically connected to the external controller, and the other second gear 815 is fixedly connected to the mounting seat 814; by providing the above-mentioned structure, during the detection process, the angle of the linkage frame 813 can be adjusted by rotating the first gear 812, and the angle of the mounting seat 814 can be adjusted by rotating the second gear 815, so as to realize multi-angle adjustment of the display screen.

[0029] The working principle of the utility model is as follows: the display screen after patching is conveyed to the inspection area by the first conveyor belt 2 for inspection. During the inspection, the visual inspection instrument 6 starts to take pictures of the display screen after patching, and compares the pictures with the external visual inspection system to reflect whether the display screen patch is qualified;

[0030] The display screen is conveyed to the supporting platform 71 via the first conveyor belt 2. After the display screen is in place, the four clamping blocks 72 flip 90° to be vertical to the supporting platform 71, and then the electric cylinder starts and drives the two connecting plates 823 to move closer to each other. Synchronously, the four movable arms 822 rotate and drive the four movable arms 822 to drive the connecting plates 823 to move to the middle position to realize the clamping and positioning operation of the display screen. After the display screen is clamped in place, the electric cylinder drives the lifting platform 81 to rise and drive the display screen to lift upward. At this time, the visual inspection instrument 6 starts to take pictures of the display screen. After the visual inspection of the front of the display screen is correct, the two first gears 812 mesh with each other and rotate to drive the supporting platform 71 to swing to both sides to inspect the other two sides of the display screen. At this time, the two clamping blocks 72 located in the rotation direction of the display screen rotate and reset to release to avoid affecting the photo inspection of the display screen. After the inspection is completed, the linkage frame 813 is reset, and the two second gears 815 rotate and drive the installation The seat 814 swings to both sides to detect the remaining two sides of the display screen. During the detection, the two clamping blocks 72 located in the rotation direction of the display screen rotate and reset and release. When all the tests are completed and qualified, the carrier 71 drops to the upper position between the first conveyor belt 2 and the third conveyor belt 4, and then the first gear 812 rotates to drive the carrier 71 to tilt toward the third conveyor belt 4. Synchronously, the four clamping blocks 72 flip and reset, and the qualified display screen slides from the carrier 71 to the third conveyor belt 4 and is transmitted to the subsequent production line for subsequent operations; when an unqualified display screen is displayed during the detection process, the carrier 71 drops to the upper position between the first conveyor belt 2 and the second conveyor belt 3, and the second gear 815 rotates to drive the carrier 71 to tilt toward the second conveyor belt 3. The four clamping blocks 72 flip and reset, and the display screen slides from the carrier 71 to the second conveyor belt 3 and is transmitted to the unqualified processing area for subsequent processing operations on the unqualified display screen.

Claims

1. A display screen patch detection device, comprising a frame (1), a first conveyor belt (2) being movably mounted on one side of the frame (1), characterized in that: A third conveyor belt (4) is movably mounted on a side of the frame (1) opposite to the first conveyor belt (2); a second conveyor belt (3) is movably mounted on the frame (1); a mounting frame (5) is fixedly mounted on the frame (1); a visual inspection instrument (6) is movably mounted on the mounting frame (5); a clamping auxiliary mechanism (7) is provided on the frame (1); and a driving mechanism (8) is provided on the frame (1); The clamping auxiliary mechanism (7) comprises a bearing platform (71), the bearing platform (71) is movably mounted on the frame (1), and four clamping blocks (72) are movably mounted on the bearing platform (71).

2. A display screen patch detection device according to claim 1, characterized in that: The clamping auxiliary mechanism (7) further comprises a movable frame (73), wherein four movable frames (73) are movably mounted on the bearing platform (71), the movable frames (73) are rotatably connected to the clamping block (72), and the bearing platform (71) is arranged between the first conveyor belt (2), the second conveyor belt (3), and the third conveyor belt (4).

3. A display screen patch detection device according to claim 1, characterized in that: The driving mechanism (8) comprises a movable platform (82), the movable platform (82) being movably mounted on the frame (1), a rotating seat (821) being rotatably mounted on the movable platform (82), four movable arms (822) being rotatably mounted on the rotating seat (821), and a connecting plate (823) being rotatably mounted on one end of the movable arm (822) away from the rotating seat (821).

4. A display screen patch detection device according to claim 3, characterized in that: One end of the movable arm (822) is rotatably connected to the rotating seat (821), and the connecting plate (823) is detachably connected to the movable frame (73) via a bolt fastener.

5. A display screen patch detection device according to claim 1, characterized in that: The driving mechanism (8) further comprises a lifting platform (81), the lifting platform (81) being movably mounted on the frame (1), a fixing frame (811) being fixedly mounted on the lifting platform (81), a linkage frame (813) being rotatably mounted on the fixing frame (811), a mounting seat (814) being rotatably mounted inside the linkage frame (813), and the mounting seat (814) being fixedly connected to the movable platform (82).

6. A display screen patch detection device according to claim 5, characterized in that: The driving mechanism (8) further comprises a first gear (812), wherein two first gears (812) are rotatably mounted on a fixed frame (811), and two second gears (815) are rotatably mounted on a linkage frame (813).

7. A display screen patch detection device according to claim 6, characterized in that: One of the first gears (812) is driven by a servo motor, and another first gear (812) is fixedly connected to a linkage frame (813); one of the second gears (815) is driven by a servo motor, and another second gear (815) is fixedly connected to a mounting seat (814).

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