Screen patch detection mechanism

Abstract

The utility model discloses a screen paster detection mechanism, which comprises an upper visual sensor, a lower visual sensor and a visual detection platform, the upper visual sensor is arranged above the visual detection platform, the lower visual sensor is arranged on one side of the visual detection platform, and the lower visual sensor photographs the back surface of a screen to be detected and sends the photographed image to the back surface of the screen to be detected. A to-be-detected screen is placed on the visual detection platform, and then the front face of the to-be-detected screen is photographed by the visual sensor above the to-be-detected screen. According to the utility model, the upper visual sensor and the lower visual sensor are used for photographing the to-be-detected screen, and the to-be-detected screen does not need to be overturned by using an overturning structure, so that the use of parts is reduced, the detection process is simplified, the detection cost is reduced, and the detection efficiency is improved.

Description

Technical Field

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

[0002] During the manufacturing process of mobile phone screens, the screen patch needs to be tested at a certain stage, that is, the polarizer attached to the optical glass needs to be tested to confirm whether the polarizer meets the specified requirements. The testing method is generally to use a camera to take a picture of the screen, and the background will analyze and judge the captured image.

[0003] In order to analyze and judge the accuracy, it is necessary to take pictures of the front and back of the screen. Currently, the way to take pictures is to first place the screen to the front so that the front of the screen faces the camera. After taking the picture, the screen is flipped over by a flipping device so that the back of the screen faces the camera. The same camera is then used to take pictures of the back of the screen. This method is not only cumbersome and relatively inefficient, but also requires the use of a flipping device, which greatly increases the cost of inspection. Utility Model Content

[0004] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a screen patch detection mechanism.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] The utility model provides a screen patch detection mechanism, comprising an upper visual sensor, a lower visual sensor and a visual detection platform, wherein the upper visual sensor is arranged above the visual detection platform, and the lower visual sensor is arranged on one side of the visual detection platform. After the lower visual sensor takes a picture of the back of the screen to be inspected, the screen to be inspected is placed on the visual detection platform, and then the upper visual sensor takes a picture of the front of the screen to be inspected.

[0007] Furthermore, it also includes a first mounting member, which is arranged on one side of the visual detection platform, and the lower visual sensor is connected to the first mounting member.

[0008] Furthermore, the first mounting member includes a connecting plate and a lower support column, the upper end of the lower support column is connected to the connecting plate, and the lower end of the lower support column is connected to the lower visual sensor.

[0009] Furthermore, the first mounting member further includes an upper support column, the lower end of the upper support column is connected to the connecting plate, and the upper end of the upper support column is provided with a first auxiliary light source.

[0010] Furthermore, it also includes a second mounting member, which is arranged on one side of the visual detection platform, and the upper visual sensor is connected to the second mounting member.

[0011] Furthermore, the second mounting member includes a column and a transverse mounting block, the transverse mounting block extends toward the center of the visual inspection platform, the transverse mounting block is connected to the column, and the upper visual sensor is connected to the transverse mounting block.

[0012] Furthermore, the horizontal mounting block includes a first connection part, a second connection part and a third connection part, one end of the first connection part is connected to the column, the other end of the first connection part is connected to one end of the second connection part, the other end of the second connection part is connected to one end of the third connection part, and the other end of the third connection part is connected to the upper visual sensor; the first connection part and the second connection part are arranged at an angle, the second connection part and the third connection part are arranged at an angle, and the first connection part and the third connection part are arranged parallel to each other.

[0013] Furthermore, a fastening block is provided at one end of the first connecting part connected to the column, and a socket hole is formed between the fastening block and the first connecting part. The first connecting part and the fastening block are socketed on the column through the socket hole, and the first connecting part and the fastening block are locked and fixed by a fastener.

[0014] Furthermore, the visual inspection platform includes a horizontal placement plate and a bottom support plate, and the horizontal placement plate is arranged above the bottom support plate.

[0015] Furthermore, a plurality of second auxiliary light sources are provided around the horizontally placed plate.

[0016] Compared with the prior art, the present invention has the following advantages: a screen patch inspection mechanism includes an upper visual sensor, a lower visual sensor, and a visual inspection platform. The upper visual sensor is arranged above the visual inspection platform, and the lower visual sensor is arranged on one side of the visual inspection platform. After the lower visual sensor takes a picture of the back of the screen to be inspected, the screen to be inspected is placed on the visual inspection platform, and the upper visual sensor then takes a picture of the front of the screen to be inspected. The present invention utilizes the upper and lower visual sensors to take pictures of the screen to be inspected, eliminating the need for a flip mechanism to flip the screen to be inspected. This reduces the use of components and simplifies the inspection process, thereby reducing inspection costs and improving inspection efficiency.

[0017] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention, it can be implemented in accordance with the contents of the specification. In addition, in order to make the above and other purposes, features and advantages of the present invention more obvious and easy to understand, the following preferred embodiments are specifically cited and described in detail as follows. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0019] Figure 1 A schematic structural diagram of a screen patch detection mechanism provided in a specific embodiment of the present utility model;

[0020] Figure 2 A schematic structural diagram of a first mounting member in a screen patch detection mechanism provided by a specific embodiment of the present utility model;

[0021] Figure 3 This is a structural schematic diagram of a second mounting member in a screen patch detection mechanism provided in a specific embodiment of the present utility model.

[0022] Reference numerals

[0023] 1. Screen patch detection mechanism; 11. Upper visual sensor; 12. Lower visual sensor; 13. Visual detection platform; 131. Horizontal placement plate; 132. Bottom support plate; 14. First mounting member; 141. Connecting plate; 142. Lower support column; 143. Upper support column; 15. First auxiliary light source; 16. Second mounting member; 161. Vertical column; 162. Horizontal mounting block; 1621. First connecting part; 1622. Second connecting part; 1623. Third connecting part; 163. Fastening block. DETAILED DESCRIPTION

[0024] The following will be combined with the specific embodiments of the present invention to clearly and completely describe the technical solutions of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation to the present invention.

[0026] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this utility model, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0027] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediate medium; internal communication between two components, or interaction between two components, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0028] In the present invention, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediary. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0029] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only implementation methods.

[0030] See also Figures 1 to 3 An embodiment of the utility model provides a screen patch detection mechanism 1, including an upper visual sensor 11, a lower visual sensor 12 and a visual detection platform 13. The upper visual sensor 11 is arranged above the visual detection platform 13, and the lower visual sensor 12 is arranged on one side of the visual detection platform 13. After the lower visual sensor 12 takes a picture of the back of the screen to be inspected, the screen to be inspected is placed on the visual detection platform 13, and then the upper visual sensor 11 takes a picture of the front of the screen to be inspected.

[0031] The upper visual sensor 11 and the lower visual sensor 12 include but are not limited to laser scanners, linear and area array CCD cameras, TV cameras, etc. These devices are standard parts that can be purchased on the market and will not be described in detail here.

[0032] During inspection, the screen to be inspected is first grasped using a robotic arm or other device and positioned correctly. After the lower visual sensor 12 captures the back of the screen, the screen is placed on the designated position of the visual inspection platform 13. Next, the upper visual sensor 11 captures the front of the screen to obtain detailed image data. This new system utilizes both the upper and lower visual sensors 11, 12 to capture images of the screen to be inspected, eliminating the need for a flip mechanism to flip the screen. This reduces component usage and simplifies the inspection process, thereby lowering inspection costs and improving efficiency.

[0033] See also Figure 2 The screen patch detection mechanism 1 further includes a first mounting member 14, which is disposed on one side of the visual detection platform 13. The lower visual sensor 12 is connected to the first mounting member 14. With this design, the first mounting member 14 supports and secures the lower visual sensor 12, enabling the lower visual sensor 12 to operate stably, thereby ensuring detection accuracy and stability.

[0034] See also Figure 2 The first mounting member 14 includes a connecting plate 141 and a lower support column 142 . The upper end of the lower support column 142 is connected to the connecting plate 141 , and the lower end of the lower support column 142 is connected to the visual sensor 12 below.

[0035] Specifically, the connecting plate 141 is fixed to one side of the visual inspection platform 13 via multiple bolts, thereby providing greater installation stability. The upper end of the lower support column 142 is fixed to one side of the connecting plate 141 by welding or threading, while the lower end of the lower support column 142 is fixedly connected to the underlying visual sensor 12 via corresponding fasteners (such as screws or clamps). The connecting plate 141 can be a rectangular flat plate structure, with its length and width designed according to actual needs to ensure that it can be securely installed on one side of the visual inspection platform 13.

[0036] The combined structure of connecting plate 141 and lower support column 142 allows the lower visual sensor 12 to be securely fixed to one side of the visual inspection platform 13, ensuring the positional stability of the visual sensor during the inspection process, thereby improving the accuracy of the inspection results. Furthermore, this simple structure is easy to manufacture and install, reducing manufacturing costs and maintenance difficulties.

[0037] See also Figure 2 The first mounting member 14 further includes an upper support column 143 , the lower end of the upper support column 143 is connected to the connecting plate 141 , and the upper end of the upper support column 143 is provided with a first auxiliary light source 15 .

[0038] Specifically, the upper support column 143 is fixed to one side of the connecting plate 141 by welding or threaded connection, and the first auxiliary light source 15 is installed on the upper end of the upper support column 143 by a threaded interface or a quick clamp. The first auxiliary light source 15 can be an L light source or other high-brightness light source to ensure sufficient lighting during the shooting process.

[0039] By adopting the combined structure of the connecting plate 141, the lower support column 142, and the upper support column 143, the lower visual sensor 12 and the first auxiliary light source 15 can be securely mounted on one side of the visual inspection platform 13. The provision of the first auxiliary light source 15 provides stable and sufficient illumination for the lower visual sensor 12, ensuring the clarity and quality of the captured images, thereby improving the accuracy and reliability of the inspection results.

[0040] like Figure 3 As shown, the screen patch detection mechanism 1 also includes a second mounting member 16, which is provided on one side of the visual detection platform 13. The upper visual sensor 11 is connected to the second mounting member 16. In this design, the second mounting member 16 supports and fixes the upper visual sensor 11, allowing the upper visual sensor 11 to operate stably, ensuring the accuracy and stability of the detection.

[0041] like Figure 3As shown, the second mounting member 16 includes a column 161 and a transverse mounting block 162 . The transverse mounting block 162 extends toward the center of the visual inspection platform 13 . The transverse mounting block 162 is connected to the column 161 , and the upper visual sensor 11 is connected to the transverse mounting block 162 .

[0042] Specifically, one end of the horizontal mounting block 162 is connected to the column 161, and the other end is provided with a mounting base for fixing the upper visual sensor 11. The column 161 is vertically fixed to the edge of the visual detection platform 13 and is firmly connected to the visual detection platform 13 through the fixed base at the bottom.

[0043] The upright column 161 is cylindrical and can be made of high-strength materials such as stainless steel or aluminum alloy to ensure sufficient support during the inspection process. The horizontal mounting block 162 can be a rectangular plate structure, with its length designed according to the width of the visual inspection platform 13 to ensure that the upper visual sensor 11 can cover the entire upper area of ​​the screen to be inspected.

[0044] The combined structure of upright posts 161 and transverse mounting blocks 162 allows the upper visual sensor 11 to be securely fixed above the visual inspection platform 13 and accurately align with the upper surface of the screen to be inspected for imaging. Upright posts 161 provide vertical support, ensuring the stability of transverse mounting blocks 162. The extended design of transverse mounting blocks 162 allows the upper visual sensor 11 to perform inspections in the optimal position, thereby improving detection accuracy and stability.

[0045] See also Figure 3 The horizontal mounting block 162 includes a first connecting portion 1621, a second connecting portion 1622 and a third connecting portion 1623. One end of the first connecting portion 1621 is connected to the column 161, the other end of the first connecting portion 1621 is connected to one end of the second connecting portion 1622, the other end of the second connecting portion 1622 is connected to one end of the third connecting portion 1623, and the other end of the third connecting portion 1623 is connected to the upper visual sensor 11; the first connecting portion 1621 and the second connecting portion 1622 are arranged at an angle, the second connecting portion 1622 and the third connecting portion 1623 are arranged at an angle, and the first connecting portion 1621 and the third connecting portion 1623 are arranged parallel to each other.

[0046] Specifically, one end of the first connecting portion 1621 is fixedly or adjustably connected to the column 161, and the other end is bolted to one end of the second connecting portion 1622. The other end of the second connecting portion 1622 is bolted to one end of the third connecting portion 1623, and the other end of the third connecting portion 1623 is fixedly connected to the upper vision sensor 11 via bolts or a quick clamp.

[0047] By adopting the combined structure of the first connecting portion 1621 , the second connecting portion 1622 and the third connecting portion 1623 , the upper visual sensor 11 can be firmly fixed above the visual inspection platform 13 and accurately align with the upper surface of the screen to be inspected to take pictures.

[0048] See also Figure 3 A fastening block 163 is provided at one end of the first connecting part 1621 connected to the column 161. The fastening block 163 is connected to the first connecting part 1621 to form a socket hole. The first connecting part 1621 and the fastening block 163 are socketed on the column 161 through the socket hole. The first connecting part 1621 and the fastening block 163 are locked and fixed by a provided fastener.

[0049] Specifically, to achieve a secure connection, the fasteners may be bolts or screws, and the fastening block 163 and the first connecting portion 1621 are fastened and secured together using bolts or screws, thereby ensuring a stable position of the first connecting portion 1621 on the column 161. When the distance between the upper visual sensor 11 and the visual inspection platform 13 needs to be adjusted, the fasteners can be loosened, and the position of the first connecting portion 1621 can be adjusted before being tightened again.

[0050] See also Figure 1 The visual inspection platform 13 includes a horizontal placement plate 131 and a bottom support plate 132. The horizontal placement plate 131 is arranged above the bottom support plate 132 and is fixedly connected by a plurality of connecting brackets.

[0051] Specifically, horizontal plate 131 can be constructed from a high-strength, lightweight material such as aluminum alloy or stainless steel, offering a smooth, flat surface suitable for placing the screen under inspection. Bottom support plate 132 is constructed from a high-hardness material such as steel and designed as a base structure, providing sufficient support and stability. Connecting brackets can be L-shaped or T-shaped, evenly distributed between horizontal plate 131 and bottom support plate 132. Bolts or welding securely connect the two, ensuring the stability and durability of the overall structure.

[0052] The combined structure of horizontal plate 131 and bottom support plate 132 provides visual inspection platform 13 with sufficient stability and load-bearing capacity, firmly supporting the screen under inspection and providing a flat inspection surface. The flat design of horizontal plate 131 ensures the stable placement of the screen under inspection, avoiding detection errors caused by screen shaking during the inspection process.

[0053] See also Figure 1 A plurality of second auxiliary light sources are provided around the horizontally placed plate 131 to provide auxiliary lighting to improve the effect and accuracy of visual detection.

[0054] Specifically, the second auxiliary light source can be an L light source or other high-brightness light source to ensure sufficient lighting during the shooting process. Multiple second auxiliary light sources are evenly distributed around the horizontally placed plate 131 and fixed to the edge of the horizontally placed plate 131 by a bracket. The combined structure of the horizontally placed plate 131 and the second auxiliary light sources arranged around it provides uniform and sufficient auxiliary lighting, so that the screen to be inspected can obtain a clearer and brighter image during the inspection process. The uniform distribution design of the second auxiliary light source avoids blind spots and uneven lighting, thereby improving the accuracy and consistency of image capture.

[0055] In one embodiment, the second auxiliary light source is designed with an adjustable angle, including a rotation axis and a locking device. This allows each second auxiliary light source to be adjusted around its rotation axis, thereby adjusting the direction and range of illumination. This design allows the light source angle to be flexibly adjusted based on the specific size and shape of the screen to be inspected, ensuring that every corner receives sufficient illumination.

[0056] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any person skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope disclosed in the present invention, and such modifications or substitutions are intended to be within the scope of protection of the present invention. Therefore, the scope of protection of the present invention shall be subject to the scope of protection of the claims.

Claims

1. A screen patch detection mechanism, characterized in that: It includes an upper visual sensor, a lower visual sensor and a visual inspection platform. The upper visual sensor is arranged above the visual inspection platform, and the lower visual sensor is arranged on one side of the visual inspection platform. After the lower visual sensor takes a picture of the back of the screen to be inspected, the screen to be inspected is placed on the visual inspection platform, and then the upper visual sensor takes a picture of the front of the screen to be inspected.

2. A screen patch detection mechanism according to claim 1, characterized in that: It also includes a first mounting member, which is arranged on one side of the visual detection platform, and the lower visual sensor is connected to the first mounting member.

3. A screen patch detection mechanism according to claim 2, characterized in that: The first mounting member includes a connecting plate and a lower supporting column, the upper end of the lower supporting column is connected to the connecting plate, and the lower end of the lower supporting column is connected to the lower visual sensor.

4. A screen patch detection mechanism according to claim 3, characterized in that: The first mounting member further includes an upper support column, the lower end of the upper support column is connected to the connecting plate, and the upper end of the upper support column is provided with a first auxiliary light source.

5. A screen patch detection mechanism according to claim 1, characterized in that: It also includes a second mounting member, which is arranged on one side of the visual detection platform, and the upper visual sensor is connected to the second mounting member.

6. A screen patch detection mechanism according to claim 5, characterized in that: The second mounting member includes a column and a transverse mounting block, the transverse mounting block extends toward the center of the visual inspection platform, the transverse mounting block is connected to the column, and the upper visual sensor is connected to the transverse mounting block.

7. A screen patch detection mechanism according to claim 6, characterized in that: The horizontal mounting block includes a first connecting portion, a second connecting portion and a third connecting portion, one end of the first connecting portion is connected to the column, the other end of the first connecting portion is connected to one end of the second connecting portion, the other end of the second connecting portion is connected to one end of the third connecting portion, and the other end of the third connecting portion is connected to the upper visual sensor; the first connecting portion and the second connecting portion are arranged at an angle, the second connecting portion and the third connecting portion are arranged at an angle, and the first connecting portion and the third connecting portion are arranged parallel to each other.

8. A screen patch detection mechanism according to claim 7, characterized in that: A fastening block is provided at one end of the first connecting portion connected to the column, and a socket hole is formed between the fastening block and the first connecting portion. The first connecting portion and the fastening block are socketed on the column through the socket hole, and the first connecting portion and the fastening block are locked and fixed by a fastener.

9. A screen patch detection mechanism according to claim 1, characterized in that: The visual inspection platform includes a horizontal placement plate and a bottom support plate, and the horizontal placement plate is arranged above the bottom support plate.

10. A screen patch detection mechanism according to claim 9, characterized in that: A plurality of second auxiliary light sources are arranged around the horizontally placed plate.

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