Leveling device for bracket Mini-LED rubber surface defect detection

By designing a bracket-like Mini-LED rubber surface defect detection device, the combination of steel mesh frame and bearing plate is used to solve the problem of poor flatness in rubber surface defect detection, high-quality detection and imaging are achieved, and the detection accuracy is ensured. Sex and unity.

CN222144885UActive Publication Date: 2024-12-10CHENGDU KOALA URAN TECH CO LTD
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Patent Information

Application Number
CN202420636599.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-29
Publication Date
2024-12-10
Estimated Expiration
2034-03-29

AI Technical Summary

Technical Problem

During the production process of Mini-LED, it is difficult to accurately detect the defects of the glue surface after particle dispensing, and the existing detection methods cannot fully reduce the texture state of the glue surface, resulting in the loss of information and unclear boundaries.

Method used

A flattening device for detecting defects of the bracket-type Mini-LED, including a frame, a bearing plate, a steel mesh frame and a lifting mechanism. Through the cooperation of the steel mesh frame and a bearing plate, the leveling of the Mini-LED is achieved. Pressure hold and inspection ensure clear imaging of the glue surface.

Benefits of technology

It effectively solved the problem of poor flatness of Mini-LED, improved the imaging quality of detection, realized the feasibility of static and dynamic detection, and regulated the flatness of Mini-LED through the design of steel mesh frame, ensuring the detection Uniformity and accuracy.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a leveling device for bracket Mini-LED rubber surface defect detection, which comprises a frame, a bearing plate, a steel mesh pressing frame and a lifting mechanism, the steel mesh pressing frame is mounted on the frame, the bearing plate is correspondingly arranged on one side of the steel mesh pressing frame, the lifting end of the lifting mechanism is connected with the bearing plate, and the lifting mechanism is connected with the lifting plate. The lifting device is used for driving the bearing plate to lift relative to the steel mesh pressing frame, and a to-be-tested Mini-LED is located between the steel mesh pressing frame and the bearing plate; a through groove is formed in the middle of the steel mesh pressing frame, a plurality of steel bars are arranged in the through groove in the length direction, and the adjacent steel bars are arranged at intervals. According to the utility model, static detection or dynamic detection can be realized, the to-be-detected Mini-LED is pressed between the bearing plate and the steel mesh pressing frame by driving the lifting mechanism, so that the visual camera can conveniently photograph and detect the defects of the rubber surface, the problem that the imaging quality is influenced by poor flatness of the to-be-detected Mini-LED is effectively solved, and the practicability is better.
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Description

Technical Field

[0001] The utility model belongs to the technical field of Mini-LED adhesive surface defect detection equipment, and specifically relates to a flattening device for detecting adhesive surface defects of a bracket-type Mini-LED. Background Art

[0002] Mini-LED is a new type of LED display technology with the advantages of small size, high brightness, high contrast and fast response, and has broad application prospects in the field of electronic display. However, in the production process of Mini-LED, the glue surface defect after particle dispensing is a common and unavoidable problem, which seriously affects the display effect and quality of Mini-LED.

[0003] In the existing Mini LED visual inspection, the methods for detecting defects on the adhesive surface of Mini-LED particles mainly include manual visual inspection, microscope inspection, and inspection methods using conventional light sources to transmit adhesive surface imaging. However, during the visual inspection process, the flatness of the Mini-LED plane is poor, which interferes with the detection of adhesive surface information, and cannot fully restore the texture state of the adhesive surface. There are even imaging problems such as loss of adhesive surface information and unclear boundaries. Utility Model Content

[0004] The purpose of the utility model is to provide a flattening device for detecting defects on the rubber surface of a bracket-type Mini-LED, aiming to solve the above-mentioned problems.

[0005] The utility model is mainly realized through the following technical solutions:

[0006] A leveling device for detecting defects on the adhesive surface of a bracket-type Mini-LED comprises a frame, a receiving plate, a steel mesh pressure frame and a lifting mechanism, wherein the frame is provided with a steel mesh pressure frame, a receiving plate is provided on one side of the steel mesh pressure frame, a lifting end of the lifting mechanism is connected to the receiving plate, and is used to drive the receiving plate to rise and fall relative to the steel mesh pressure frame, and a Mini-LED to be tested is located between the steel mesh pressure frame and the receiving plate; a through groove is provided in the middle of the steel mesh pressure frame, and a plurality of steel bars are provided inside the through groove along the length direction, and adjacent steel bars are arranged at intervals.

[0007] In order to better realize the utility model, further, both sides of the through groove are respectively provided with installation step surfaces, and a plurality of holding blocks are fixedly provided on the installation step surfaces along the length direction, and steel bars are provided between adjacent holding blocks on both sides.

[0008] In order to better realize the utility model, further, the installation step surface is provided with a plurality of embedding grooves corresponding to the steel bar along the length direction, and the steel bar is fixedly clamped between the holding block and the embedding groove.

[0009] In order to better realize the utility model, further, an avoidance groove is provided at the bottom of the steel mesh pressure frame corresponding to the receiving plate.

[0010] In order to better realize the utility model, further, the receiving plate is transparent.

[0011] In order to better realize the utility model, further, the receiving plate is made of tempered glass.

[0012] In order to better realize the utility model, further, a steel mesh pressure frame is installed on the top of the frame, and an installation cavity is provided in the middle, a lifting mechanism is provided inside the installation cavity, and a receiving plate is provided on the top of the lifting mechanism, and the width of the receiving plate is less than or equal to the width of the installation cavity.

[0013] In order to better realize the utility model, further, conveying mechanisms are respectively arranged on both sides of the upper part of the installation cavity, the lifting mechanism is located between adjacent conveying mechanisms, and the width of the receiving plate is smaller than the distance between adjacent conveying mechanisms.

[0014] In order to better realize the utility model, further, a plurality of stop blocks are arranged on one side of the top of the receiving plate.

[0015] In order to better realize the utility model, further, lifting mechanisms are respectively provided at both ends of the receiving plate.

[0016] The beneficial effects of the utility model are as follows:

[0017] (1) The utility model can realize static detection. After placing the Mini-LED to be tested on the receiving plate, the Mini-LED to be tested is pressed and held between the receiving plate and the steel mesh pressing frame by driving the lifting mechanism, which facilitates the visual camera to take pictures to detect defects on the adhesive surface, effectively solving the problem of poor flatness of the Mini-LED to be tested affecting the imaging quality, and has good practicality;

[0018] (2) The utility model can realize dynamic detection. The conveying mechanism conveys the Mini-LED to be tested without stopping the machine. Then, the lifting plate is driven to lift the Mini-LED to be tested from the bottom to the steel mesh pressing frame, so that the Mini-LED to be tested is pressed between the receiving plate and the steel mesh pressing frame, which is convenient for the visual camera to take pictures to detect defects on the adhesive surface. It effectively solves the problem that the poor flatness of the Mini-LED to be tested affects the imaging quality, and has good practicality.

[0019] (3) The utility model blocks the Mini-LED to be tested during transmission by setting a stop block on the receiving plate, and at the same time has the function of positioning the Mini-LED to be tested, which has good practicality;

[0020] (4) The utility model arranges a plurality of steel bars in the through groove of the steel mesh pressure frame to facilitate the flatness adjustment of the Mini-LED to be tested; at the same time, an avoidance groove is arranged at the bottom of the steel mesh pressure frame to facilitate the fixed contact control between the receiving plate and the steel mesh pressure frame, thereby effectively controlling the uniformity of the detection and having good practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 It is a schematic diagram of the installation structure of the receiving plate and the rack;

[0023] Figure 3 It is a schematic diagram of the working status of the receiving plate and the steel mesh pressing frame;

[0024] Figure 4 This is a schematic diagram of the structure of the steel mesh frame pressing the Mini-LED to be tested;

[0025] Figure 5 It is a schematic diagram of the connection structure between the receiving plate and the lifting mechanism;

[0026] Figure 6 It is a structural schematic diagram of the steel mesh pressing frame;

[0027] Figure 7 It is a structural diagram of the receiving plate.

[0028] Among them: 1-frame, 2-steel mesh pressure frame, 3-supporting plate, 4-lifting mechanism, 5-stop block, 6-Mini-LED to be tested, 7-through slot, 8-holding block, 9-support column. DETAILED DESCRIPTION

[0029] Embodiment 1:

[0030] A leveling device for detecting defects on the adhesive surface of a bracket-type Mini-LED includes a frame 1, a receiving plate 3, a steel mesh pressing frame 2 and a lifting mechanism 4. The frame 1 is provided with a steel mesh pressing frame 2, and a lifting mechanism 4 is provided on one side of the frame 1. The driving end of the lifting mechanism 4 is connected to the receiving plate 3, and is used to drive the receiving plate 3 to rise and fall below or above the steel mesh pressing frame 2. A Mini-LED 6 to be tested is provided between the receiving plate 3 and the steel mesh pressing frame 2. Furthermore, the receiving plate 3 can be provided on the upper side or the lower side of the steel mesh pressing frame 2, and a visual camera is provided close to the steel mesh pressing frame 2. Specifically, lifting mechanisms 4 are provided at both ends of the receiving plate 3, respectively, and the lifting mechanism 4 can be an electric telescopic rod, which is a prior art and will not be described in detail.

[0031] Preferably, if Figure 7As shown, the receiving plate 3 is transparent, which is convenient for setting the backlight device, and the receiving plate 3 is preferably made of tempered glass. Furthermore, a plurality of positioning protrusions can be provided on the receiving plate 3 to facilitate accurate positioning of the placement position of the Mini-LED 6 to be tested.

[0032] Preferably, a steel mesh pressing frame 2 is installed on the top of the rack 1 through a support column 9, and an installation cavity is provided in the middle. A lifting mechanism 4 is provided inside the installation cavity, and a receiving plate 3 is provided on the top of the lifting mechanism 4. The width of the receiving plate 3 is less than or equal to the width of the installation cavity. When not in use, the receiving plate 3 is retracted into the installation cavity, and the receiving plate 3 can be flush with the top of the installation cavity, which is convenient for placing the Mini-LED 6 to be tested.

[0033] Preferably, if Figure 4 and Figure 6 As shown, a through groove 7 is provided in the middle of the steel mesh pressing frame 2, and an avoidance groove is provided at the bottom corresponding to the receiving plate 3. A plurality of steel wires are arranged inside the through groove 7 along the length direction, and adjacent steel wires are arranged at intervals to expose the particle rubber surface of the Mini-LED 6 to be tested, or to avoid the positioning protrusion. Furthermore, installation step surfaces are respectively provided on both sides of the through groove 7, and a plurality of holding blocks 8 are fixedly provided on the installation step surfaces along the length direction, and steel bars are provided between adjacent holding blocks 8 on both sides. Specifically, a plurality of embedding grooves are provided on the installation step surface along the length direction corresponding to the steel bars, and a steel bar is clamped between the holding block 8 and the embedding groove.

[0034] During use of the utility model, at the beginning, the lifting mechanism 4 can be driven to separate the receiving plate 3 and the steel mesh pressure frame 2, and then the Mini-LED 6 to be tested can be placed on the receiving plate 3, and the lifting mechanism 4 can be driven again to make the receiving plate 3 press the Mini-LED 6 to be tested on the steel mesh pressure frame 2, so as to facilitate the visual camera to take pictures to detect defects on the rubber surface, effectively solve the problem of poor flatness of the Mini-LED 6 to be tested affecting the imaging quality, and has good practicality.

[0035] Embodiment 2:

[0036] A flattening device for detecting defects on the adhesive surface of a bracket-type Mini-LED, such as Figure 1As shown, it includes a frame 1, and a conveying mechanism and a lifting mechanism 4 are provided in the middle of the frame 1. The conveying mechanism includes a conveyor belt, and conveyor belts are provided on both sides of the middle of the frame 1. A lifting mechanism 4 is provided between adjacent conveyor belts, and a receiving plate 3 is connected to the top of the lifting mechanism 4, and the width of the receiving plate 3 is less than the distance between adjacent conveyor belts. The conveying mechanism is used to convey the Mini-LED 6 to be tested, and a steel mesh pressing frame 2 is installed on the top of the frame 1 through a support column 9. Preferably, the receiving plate 3 is transparent to facilitate the setting of a backlight device, and the receiving plate 3 is preferably prepared from tempered glass.

[0037] During use, the utility model transmits the Mini-LED 6 to be tested to the specified position through the conveyor belt, and then drives the lifting mechanism 4 to lift the Mini-LED 6 to be tested on the receiving plate 3 until the Mini-LED 6 to be tested is tightly pressed between the steel mesh pressing frame 2 and the receiving plate 3. Preferably, Figure 2 , Figure 5 and Figure 7 As shown, two stop blocks 5 are provided at one end of the top of the receiving plate 3 to block the Mini-LED 6 to be tested during transmission and play a positioning role. Figure 3 and Figure 5 As shown, lifting mechanisms 4 are respectively provided on both sides of the bottom of the receiving plate 3. The lifting mechanisms 4 can be electric telescopic rods, which are prior art and will not be described in detail.

[0038] Preferably, if Figure 4 and Figure 6 As shown, a through groove 7 is provided in the middle of the steel mesh pressing frame 2, and an avoidance groove is provided at the bottom corresponding to the receiving plate 3. A plurality of steel wires are arranged inside the through groove 7 along the length direction, and adjacent steel wires are arranged at intervals to expose the particle rubber surface of the Mini-LED 6 to be tested, or to avoid the stop block 5. Furthermore, installation step surfaces are respectively provided on both sides of the through groove 7, and a plurality of holding blocks 8 are fixedly provided on the installation step surface along the length direction, and steel bars are provided between adjacent holding blocks 8 on both sides. Specifically, a plurality of embedding grooves are provided on the installation step surface along the length direction corresponding to the steel bars, and a steel bar is clamped between the holding block 8 and the embedding groove.

[0039] The utility model can convey the Mini-LED 6 to be tested without stopping by means of the conveyor belts on both sides, and can quickly lift the Mini-LED 6 to be tested by means of the lifting mechanism 4 and the receiving plate 3 without affecting the operation of the conveyor belts, and finally the Mini-LED 6 to be tested is pressed between the receiving plate 3 and the steel mesh pressing frame 2, so that the visual camera can take pictures to detect defects on the rubber surface, and the problem of poor flatness of the Mini-LED 6 to be tested affecting the imaging quality is effectively solved, and the utility model has good practicality.

[0040] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any simple modification or equivalent changes made to the above embodiments based on the technical essence of the present invention shall fall within the protection scope of the present invention.

Claims

1. A flattening device for detecting defects on the adhesive surface of a bracket-type Mini-LED, characterized in that: The invention comprises a frame (1), a receiving plate (3), a steel mesh pressing frame (2) and a lifting mechanism (4); the frame (1) is provided with a steel mesh pressing frame (2); one side of the steel mesh pressing frame (2) is provided with a receiving plate (3); a lifting end of the lifting mechanism (4) is connected to the receiving plate (3) and is used to drive the receiving plate (3) to move up and down relative to the steel mesh pressing frame (2); a Mini-LED (6) to be tested is located between the steel mesh pressing frame (2) and the receiving plate (3); a through groove (7) is provided in the middle of the steel mesh pressing frame (2), and a plurality of steel bars are provided inside the through groove (7) along the length direction, and adjacent steel bars are provided at intervals.

2. The flattening device for detecting defects on the adhesive surface of a bracket-type Mini-LED according to claim 1, characterized in that: The through groove (7) is provided with mounting step surfaces on both sides, and a plurality of holding blocks (8) are fixedly provided on the mounting step surfaces along the length direction, and steel bars are provided between adjacent holding blocks (8) on both sides.

3. The flattening device for detecting defects on the adhesive surface of a bracket-type Mini-LED according to claim 2, characterized in that: The installation step surface is provided with a plurality of embedding grooves corresponding to the steel bar along the length direction, and the steel bar is fixedly clamped between the holding block (8) and the embedding groove.

4. A flattening device for detecting defects on the adhesive surface of a bracket-type Mini-LED according to any one of claims 1 to 3, characterized in that: The bottom of the steel mesh pressing frame (2) is provided with an avoidance groove corresponding to the receiving plate (3).

5. The flattening device for detecting defects on the adhesive surface of a bracket-type Mini-LED according to claim 1, characterized in that: The receiving plate (3) is transparent.

6. The flattening device for detecting defects on the adhesive surface of a bracket-type Mini-LED according to claim 5, characterized in that: The receiving plate (3) is made of tempered glass.

7. The flattening device for detecting adhesive surface defects of a bracket-type Mini-LED according to claim 1, characterized in that: A steel mesh pressing frame (2) is installed on the top of the frame (1), and an installation cavity is provided in the middle, a lifting mechanism (4) is provided inside the installation cavity, and a receiving plate (3) is provided on the top of the lifting mechanism (4), and the width of the receiving plate (3) is less than or equal to the width of the installation cavity.

8. The flattening device for detecting defects on the adhesive surface of a bracket-type Mini-LED according to claim 7, characterized in that: Conveying mechanisms are respectively arranged on both sides of the upper part of the installation cavity, the lifting mechanism (4) is located between adjacent conveying mechanisms, and the width of the receiving plate (3) is smaller than the distance between adjacent conveying mechanisms.

9. The flattening device for detecting defects on the adhesive surface of a bracket-type Mini-LED according to claim 8, characterized in that: A plurality of stop blocks (5) are arranged on one side of the top of the receiving plate (3).

10. The flattening device for detecting adhesive surface defects of a bracket-type Mini-LED according to claim 1, characterized in that: Lifting mechanisms (4) are respectively provided at both ends of the receiving plate (3).